[IMP] web: remove nvd3 library

It has been decided to use Chart.js instead of nvd3 to render charts.
Now that nvd3 is no more in use, we remove it.

Task ID: 1946138

5 files changed, 0 insertions, 15964 deletions

diff --git a/addons/web/static/lib/nvd3/d3.v3.js b/addons/web/static/lib/nvd3/d3.v3.js
deleted file mode 100644
index e4d8664329e..00000000000
--- a/addons/web/static/lib/nvd3/d3.v3.js
+++ /dev/null
@@ -1,9503 +0,0 @@
-!function() {
-  var d3 = {
-    version: "3.5.6"
-  };
-  var d3_arraySlice = [].slice, d3_array = function(list) {
-    return d3_arraySlice.call(list);
-  };
-  var d3_document = this.document;
-  function d3_documentElement(node) {
-    return node && (node.ownerDocument || node.document || node).documentElement;
-  }
-  function d3_window(node) {
-    return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);
-  }
-  if (d3_document) {
-    try {
-      d3_array(d3_document.documentElement.childNodes)[0].nodeType;
-    } catch (e) {
-      d3_array = function(list) {
-        var i = list.length, array = new Array(i);
-        while (i--) array[i] = list[i];
-        return array;
-      };
-    }
-  }
-  if (!Date.now) Date.now = function() {
-    return +new Date();
-  };
-  if (d3_document) {
-    try {
-      d3_document.createElement("DIV").style.setProperty("opacity", 0, "");
-    } catch (error) {
-      var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
-      d3_element_prototype.setAttribute = function(name, value) {
-        d3_element_setAttribute.call(this, name, value + "");
-      };
-      d3_element_prototype.setAttributeNS = function(space, local, value) {
-        d3_element_setAttributeNS.call(this, space, local, value + "");
-      };
-      d3_style_prototype.setProperty = function(name, value, priority) {
-        d3_style_setProperty.call(this, name, value + "", priority);
-      };
-    }
-  }
-  d3.ascending = d3_ascending;
-  function d3_ascending(a, b) {
-    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-  }
-  d3.descending = function(a, b) {
-    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
-  };
-  d3.min = function(array, f) {
-    var i = -1, n = array.length, a, b;
-    if (arguments.length === 1) {
-      while (++i < n) if ((b = array[i]) != null && b >= b) {
-        a = b;
-        break;
-      }
-      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
-    } else {
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
-        a = b;
-        break;
-      }
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
-    }
-    return a;
-  };
-  d3.max = function(array, f) {
-    var i = -1, n = array.length, a, b;
-    if (arguments.length === 1) {
-      while (++i < n) if ((b = array[i]) != null && b >= b) {
-        a = b;
-        break;
-      }
-      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
-    } else {
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
-        a = b;
-        break;
-      }
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
-    }
-    return a;
-  };
-  d3.extent = function(array, f) {
-    var i = -1, n = array.length, a, b, c;
-    if (arguments.length === 1) {
-      while (++i < n) if ((b = array[i]) != null && b >= b) {
-        a = c = b;
-        break;
-      }
-      while (++i < n) if ((b = array[i]) != null) {
-        if (a > b) a = b;
-        if (c < b) c = b;
-      }
-    } else {
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
-        a = c = b;
-        break;
-      }
-      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
-        if (a > b) a = b;
-        if (c < b) c = b;
-      }
-    }
-    return [ a, c ];
-  };
-  function d3_number(x) {
-    return x === null ? NaN : +x;
-  }
-  function d3_numeric(x) {
-    return !isNaN(x);
-  }
-  d3.sum = function(array, f) {
-    var s = 0, n = array.length, a, i = -1;
-    if (arguments.length === 1) {
-      while (++i < n) if (d3_numeric(a = +array[i])) s += a;
-    } else {
-      while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
-    }
-    return s;
-  };
-  d3.mean = function(array, f) {
-    var s = 0, n = array.length, a, i = -1, j = n;
-    if (arguments.length === 1) {
-      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
-    } else {
-      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
-    }
-    if (j) return s / j;
-  };
-  d3.quantile = function(values, p) {
-    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
-    return e ? v + e * (values[h] - v) : v;
-  };
-  d3.median = function(array, f) {
-    var numbers = [], n = array.length, a, i = -1;
-    if (arguments.length === 1) {
-      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
-    } else {
-      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
-    }
-    if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
-  };
-  d3.variance = function(array, f) {
-    var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
-    if (arguments.length === 1) {
-      while (++i < n) {
-        if (d3_numeric(a = d3_number(array[i]))) {
-          d = a - m;
-          m += d / ++j;
-          s += d * (a - m);
-        }
-      }
-    } else {
-      while (++i < n) {
-        if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
-          d = a - m;
-          m += d / ++j;
-          s += d * (a - m);
-        }
-      }
-    }
-    if (j > 1) return s / (j - 1);
-  };
-  d3.deviation = function() {
-    var v = d3.variance.apply(this, arguments);
-    return v ? Math.sqrt(v) : v;
-  };
-  function d3_bisector(compare) {
-    return {
-      left: function(a, x, lo, hi) {
-        if (arguments.length < 3) lo = 0;
-        if (arguments.length < 4) hi = a.length;
-        while (lo < hi) {
-          var mid = lo + hi >>> 1;
-          if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
-        }
-        return lo;
-      },
-      right: function(a, x, lo, hi) {
-        if (arguments.length < 3) lo = 0;
-        if (arguments.length < 4) hi = a.length;
-        while (lo < hi) {
-          var mid = lo + hi >>> 1;
-          if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
-        }
-        return lo;
-      }
-    };
-  }
-  var d3_bisect = d3_bisector(d3_ascending);
-  d3.bisectLeft = d3_bisect.left;
-  d3.bisect = d3.bisectRight = d3_bisect.right;
-  d3.bisector = function(f) {
-    return d3_bisector(f.length === 1 ? function(d, x) {
-      return d3_ascending(f(d), x);
-    } : f);
-  };
-  d3.shuffle = function(array, i0, i1) {
-    if ((m = arguments.length) < 3) {
-      i1 = array.length;
-      if (m < 2) i0 = 0;
-    }
-    var m = i1 - i0, t, i;
-    while (m) {
-      i = Math.random() * m-- | 0;
-      t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
-    }
-    return array;
-  };
-  d3.permute = function(array, indexes) {
-    var i = indexes.length, permutes = new Array(i);
-    while (i--) permutes[i] = array[indexes[i]];
-    return permutes;
-  };
-  d3.pairs = function(array) {
-    var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
-    while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
-    return pairs;
-  };
-  d3.zip = function() {
-    if (!(n = arguments.length)) return [];
-    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
-      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
-        zip[j] = arguments[j][i];
-      }
-    }
-    return zips;
-  };
-  function d3_zipLength(d) {
-    return d.length;
-  }
-  d3.transpose = function(matrix) {
-    return d3.zip.apply(d3, matrix);
-  };
-  d3.keys = function(map) {
-    var keys = [];
-    for (var key in map) keys.push(key);
-    return keys;
-  };
-  d3.values = function(map) {
-    var values = [];
-    for (var key in map) values.push(map[key]);
-    return values;
-  };
-  d3.entries = function(map) {
-    var entries = [];
-    for (var key in map) entries.push({
-      key: key,
-      value: map[key]
-    });
-    return entries;
-  };
-  d3.merge = function(arrays) {
-    var n = arrays.length, m, i = -1, j = 0, merged, array;
-    while (++i < n) j += arrays[i].length;
-    merged = new Array(j);
-    while (--n >= 0) {
-      array = arrays[n];
-      m = array.length;
-      while (--m >= 0) {
-        merged[--j] = array[m];
-      }
-    }
-    return merged;
-  };
-  var abs = Math.abs;
-  d3.range = function(start, stop, step) {
-    if (arguments.length < 3) {
-      step = 1;
-      if (arguments.length < 2) {
-        stop = start;
-        start = 0;
-      }
-    }
-    if ((stop - start) / step === Infinity) throw new Error("infinite range");
-    var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
-    start *= k, stop *= k, step *= k;
-    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
-    return range;
-  };
-  function d3_range_integerScale(x) {
-    var k = 1;
-    while (x * k % 1) k *= 10;
-    return k;
-  }
-  function d3_class(ctor, properties) {
-    for (var key in properties) {
-      Object.defineProperty(ctor.prototype, key, {
-        value: properties[key],
-        enumerable: false
-      });
-    }
-  }
-  d3.map = function(object, f) {
-    var map = new d3_Map();
-    if (object instanceof d3_Map) {
-      object.forEach(function(key, value) {
-        map.set(key, value);
-      });
-    } else if (Array.isArray(object)) {
-      var i = -1, n = object.length, o;
-      if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
-    } else {
-      for (var key in object) map.set(key, object[key]);
-    }
-    return map;
-  };
-  function d3_Map() {
-    this._ = Object.create(null);
-  }
-  var d3_map_proto = "__proto__", d3_map_zero = "\x00";
-  d3_class(d3_Map, {
-    has: d3_map_has,
-    get: function(key) {
-      return this._[d3_map_escape(key)];
-    },
-    set: function(key, value) {
-      return this._[d3_map_escape(key)] = value;
-    },
-    remove: d3_map_remove,
-    keys: d3_map_keys,
-    values: function() {
-      var values = [];
-      for (var key in this._) values.push(this._[key]);
-      return values;
-    },
-    entries: function() {
-      var entries = [];
-      for (var key in this._) entries.push({
-        key: d3_map_unescape(key),
-        value: this._[key]
-      });
-      return entries;
-    },
-    size: d3_map_size,
-    empty: d3_map_empty,
-    forEach: function(f) {
-      for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
-    }
-  });
-  function d3_map_escape(key) {
-    return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
-  }
-  function d3_map_unescape(key) {
-    return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
-  }
-  function d3_map_has(key) {
-    return d3_map_escape(key) in this._;
-  }
-  function d3_map_remove(key) {
-    return (key = d3_map_escape(key)) in this._ && delete this._[key];
-  }
-  function d3_map_keys() {
-    var keys = [];
-    for (var key in this._) keys.push(d3_map_unescape(key));
-    return keys;
-  }
-  function d3_map_size() {
-    var size = 0;
-    for (var key in this._) ++size;
-    return size;
-  }
-  function d3_map_empty() {
-    for (var key in this._) return false;
-    return true;
-  }
-  d3.nest = function() {
-    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
-    function map(mapType, array, depth) {
-      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
-      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
-      while (++i < n) {
-        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
-          values.push(object);
-        } else {
-          valuesByKey.set(keyValue, [ object ]);
-        }
-      }
-      if (mapType) {
-        object = mapType();
-        setter = function(keyValue, values) {
-          object.set(keyValue, map(mapType, values, depth));
-        };
-      } else {
-        object = {};
-        setter = function(keyValue, values) {
-          object[keyValue] = map(mapType, values, depth);
-        };
-      }
-      valuesByKey.forEach(setter);
-      return object;
-    }
-    function entries(map, depth) {
-      if (depth >= keys.length) return map;
-      var array = [], sortKey = sortKeys[depth++];
-      map.forEach(function(key, keyMap) {
-        array.push({
-          key: key,
-          values: entries(keyMap, depth)
-        });
-      });
-      return sortKey ? array.sort(function(a, b) {
-        return sortKey(a.key, b.key);
-      }) : array;
-    }
-    nest.map = function(array, mapType) {
-      return map(mapType, array, 0);
-    };
-    nest.entries = function(array) {
-      return entries(map(d3.map, array, 0), 0);
-    };
-    nest.key = function(d) {
-      keys.push(d);
-      return nest;
-    };
-    nest.sortKeys = function(order) {
-      sortKeys[keys.length - 1] = order;
-      return nest;
-    };
-    nest.sortValues = function(order) {
-      sortValues = order;
-      return nest;
-    };
-    nest.rollup = function(f) {
-      rollup = f;
-      return nest;
-    };
-    return nest;
-  };
-  d3.set = function(array) {
-    var set = new d3_Set();
-    if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
-    return set;
-  };
-  function d3_Set() {
-    this._ = Object.create(null);
-  }
-  d3_class(d3_Set, {
-    has: d3_map_has,
-    add: function(key) {
-      this._[d3_map_escape(key += "")] = true;
-      return key;
-    },
-    remove: d3_map_remove,
-    values: d3_map_keys,
-    size: d3_map_size,
-    empty: d3_map_empty,
-    forEach: function(f) {
-      for (var key in this._) f.call(this, d3_map_unescape(key));
-    }
-  });
-  d3.behavior = {};
-  function d3_identity(d) {
-    return d;
-  }
-  d3.rebind = function(target, source) {
-    var i = 1, n = arguments.length, method;
-    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
-    return target;
-  };
-  function d3_rebind(target, source, method) {
-    return function() {
-      var value = method.apply(source, arguments);
-      return value === source ? target : value;
-    };
-  }
-  function d3_vendorSymbol(object, name) {
-    if (name in object) return name;
-    name = name.charAt(0).toUpperCase() + name.slice(1);
-    for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
-      var prefixName = d3_vendorPrefixes[i] + name;
-      if (prefixName in object) return prefixName;
-    }
-  }
-  var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
-  function d3_noop() {}
-  d3.dispatch = function() {
-    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
-    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-    return dispatch;
-  };
-  function d3_dispatch() {}
-  d3_dispatch.prototype.on = function(type, listener) {
-    var i = type.indexOf("."), name = "";
-    if (i >= 0) {
-      name = type.slice(i + 1);
-      type = type.slice(0, i);
-    }
-    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
-    if (arguments.length === 2) {
-      if (listener == null) for (type in this) {
-        if (this.hasOwnProperty(type)) this[type].on(name, null);
-      }
-      return this;
-    }
-  };
-  function d3_dispatch_event(dispatch) {
-    var listeners = [], listenerByName = new d3_Map();
-    function event() {
-      var z = listeners, i = -1, n = z.length, l;
-      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
-      return dispatch;
-    }
-    event.on = function(name, listener) {
-      var l = listenerByName.get(name), i;
-      if (arguments.length < 2) return l && l.on;
-      if (l) {
-        l.on = null;
-        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
-        listenerByName.remove(name);
-      }
-      if (listener) listeners.push(listenerByName.set(name, {
-        on: listener
-      }));
-      return dispatch;
-    };
-    return event;
-  }
-  d3.event = null;
-  function d3_eventPreventDefault() {
-    d3.event.preventDefault();
-  }
-  function d3_eventSource() {
-    var e = d3.event, s;
-    while (s = e.sourceEvent) e = s;
-    return e;
-  }
-  function d3_eventDispatch(target) {
-    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
-    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-    dispatch.of = function(thiz, argumentz) {
-      return function(e1) {
-        try {
-          var e0 = e1.sourceEvent = d3.event;
-          e1.target = target;
-          d3.event = e1;
-          dispatch[e1.type].apply(thiz, argumentz);
-        } finally {
-          d3.event = e0;
-        }
-      };
-    };
-    return dispatch;
-  }
-  d3.requote = function(s) {
-    return s.replace(d3_requote_re, "\\$&");
-  };
-  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-  var d3_subclass = {}.__proto__ ? function(object, prototype) {
-    object.__proto__ = prototype;
-  } : function(object, prototype) {
-    for (var property in prototype) object[property] = prototype[property];
-  };
-  function d3_selection(groups) {
-    d3_subclass(groups, d3_selectionPrototype);
-    return groups;
-  }
-  var d3_select = function(s, n) {
-    return n.querySelector(s);
-  }, d3_selectAll = function(s, n) {
-    return n.querySelectorAll(s);
-  }, d3_selectMatches = function(n, s) {
-    var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")];
-    d3_selectMatches = function(n, s) {
-      return d3_selectMatcher.call(n, s);
-    };
-    return d3_selectMatches(n, s);
-  };
-  if (typeof Sizzle === "function") {
-    d3_select = function(s, n) {
-      return Sizzle(s, n)[0] || null;
-    };
-    d3_selectAll = Sizzle;
-    d3_selectMatches = Sizzle.matchesSelector;
-  }
-  d3.selection = function() {
-    return d3.select(d3_document.documentElement);
-  };
-  var d3_selectionPrototype = d3.selection.prototype = [];
-  d3_selectionPrototype.select = function(selector) {
-    var subgroups = [], subgroup, subnode, group, node;
-    selector = d3_selection_selector(selector);
-    for (var j = -1, m = this.length; ++j < m; ) {
-      subgroups.push(subgroup = []);
-      subgroup.parentNode = (group = this[j]).parentNode;
-      for (var i = -1, n = group.length; ++i < n; ) {
-        if (node = group[i]) {
-          subgroup.push(subnode = selector.call(node, node.__data__, i, j));
-          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
-        } else {
-          subgroup.push(null);
-        }
-      }
-    }
-    return d3_selection(subgroups);
-  };
-  function d3_selection_selector(selector) {
-    return typeof selector === "function" ? selector : function() {
-      return d3_select(selector, this);
-    };
-  }
-  d3_selectionPrototype.selectAll = function(selector) {
-    var subgroups = [], subgroup, node;
-    selector = d3_selection_selectorAll(selector);
-    for (var j = -1, m = this.length; ++j < m; ) {
-      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
-        if (node = group[i]) {
-          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
-          subgroup.parentNode = node;
-        }
-      }
-    }
-    return d3_selection(subgroups);
-  };
-  function d3_selection_selectorAll(selector) {
-    return typeof selector === "function" ? selector : function() {
-      return d3_selectAll(selector, this);
-    };
-  }
-  var d3_nsPrefix = {
-    svg: "http://www.w3.org/2000/svg",
-    xhtml: "http://www.w3.org/1999/xhtml",
-    xlink: "http://www.w3.org/1999/xlink",
-    xml: "http://www.w3.org/XML/1998/namespace",
-    xmlns: "http://www.w3.org/2000/xmlns/"
-  };
-  d3.ns = {
-    prefix: d3_nsPrefix,
-    qualify: function(name) {
-      var i = name.indexOf(":"), prefix = name;
-      if (i >= 0) {
-        prefix = name.slice(0, i);
-        name = name.slice(i + 1);
-      }
-      return d3_nsPrefix.hasOwnProperty(prefix) ? {
-        space: d3_nsPrefix[prefix],
-        local: name
-      } : name;
-    }
-  };
-  d3_selectionPrototype.attr = function(name, value) {
-    if (arguments.length < 2) {
-      if (typeof name === "string") {
-        var node = this.node();
-        name = d3.ns.qualify(name);
-        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
-      }
-      for (value in name) this.each(d3_selection_attr(value, name[value]));
-      return this;
-    }
-    return this.each(d3_selection_attr(name, value));
-  };
-  function d3_selection_attr(name, value) {
-    name = d3.ns.qualify(name);
-    function attrNull() {
-      this.removeAttribute(name);
-    }
-    function attrNullNS() {
-      this.removeAttributeNS(name.space, name.local);
-    }
-    function attrConstant() {
-      this.setAttribute(name, value);
-    }
-    function attrConstantNS() {
-      this.setAttributeNS(name.space, name.local, value);
-    }
-    function attrFunction() {
-      var x = value.apply(this, arguments);
-      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
-    }
-    function attrFunctionNS() {
-      var x = value.apply(this, arguments);
-      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
-    }
-    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
-  }
-  function d3_collapse(s) {
-    return s.trim().replace(/\s+/g, " ");
-  }
-  d3_selectionPrototype.classed = function(name, value) {
-    if (arguments.length < 2) {
-      if (typeof name === "string") {
-        var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
-        if (value = node.classList) {
-          while (++i < n) if (!value.contains(name[i])) return false;
-        } else {
-          value = node.getAttribute("class");
-          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
-        }
-        return true;
-      }
-      for (value in name) this.each(d3_selection_classed(value, name[value]));
-      return this;
-    }
-    return this.each(d3_selection_classed(name, value));
-  };
-  function d3_selection_classedRe(name) {
-    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
-  }
-  function d3_selection_classes(name) {
-    return (name + "").trim().split(/^|\s+/);
-  }
-  function d3_selection_classed(name, value) {
-    name = d3_selection_classes(name).map(d3_selection_classedName);
-    var n = name.length;
-    function classedConstant() {
-      var i = -1;
-      while (++i < n) name[i](this, value);
-    }
-    function classedFunction() {
-      var i = -1, x = value.apply(this, arguments);
-      while (++i < n) name[i](this, x);
-    }
-    return typeof value === "function" ? classedFunction : classedConstant;
-  }
-  function d3_selection_classedName(name) {
-    var re = d3_selection_classedRe(name);
-    return function(node, value) {
-      if (c = node.classList) return value ? c.add(name) : c.remove(name);
-      var c = node.getAttribute("class") || "";
-      if (value) {
-        re.lastIndex = 0;
-        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
-      } else {
-        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
-      }
-    };
-  }
-  d3_selectionPrototype.style = function(name, value, priority) {
-    var n = arguments.length;
-    if (n < 3) {
-      if (typeof name !== "string") {
-        if (n < 2) value = "";
-        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
-        return this;
-      }
-      if (n < 2) {
-        var node = this.node();
-        return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);
-      }
-      priority = "";
-    }
-    return this.each(d3_selection_style(name, value, priority));
-  };
-  function d3_selection_style(name, value, priority) {
-    function styleNull() {
-      this.style.removeProperty(name);
-    }
-    function styleConstant() {
-      this.style.setProperty(name, value, priority);
-    }
-    function styleFunction() {
-      var x = value.apply(this, arguments);
-      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
-    }
-    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
-  }
-  d3_selectionPrototype.property = function(name, value) {
-    if (arguments.length < 2) {
-      if (typeof name === "string") return this.node()[name];
-      for (value in name) this.each(d3_selection_property(value, name[value]));
-      return this;
-    }
-    return this.each(d3_selection_property(name, value));
-  };
-  function d3_selection_property(name, value) {
-    function propertyNull() {
-      delete this[name];
-    }
-    function propertyConstant() {
-      this[name] = value;
-    }
-    function propertyFunction() {
-      var x = value.apply(this, arguments);
-      if (x == null) delete this[name]; else this[name] = x;
-    }
-    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
-  }
-  d3_selectionPrototype.text = function(value) {
-    return arguments.length ? this.each(typeof value === "function" ? function() {
-      var v = value.apply(this, arguments);
-      this.textContent = v == null ? "" : v;
-    } : value == null ? function() {
-      this.textContent = "";
-    } : function() {
-      this.textContent = value;
-    }) : this.node().textContent;
-  };
-  d3_selectionPrototype.html = function(value) {
-    return arguments.length ? this.each(typeof value === "function" ? function() {
-      var v = value.apply(this, arguments);
-      this.innerHTML = v == null ? "" : v;
-    } : value == null ? function() {
-      this.innerHTML = "";
-    } : function() {
-      this.innerHTML = value;
-    }) : this.node().innerHTML;
-  };
-  d3_selectionPrototype.append = function(name) {
-    name = d3_selection_creator(name);
-    return this.select(function() {
-      return this.appendChild(name.apply(this, arguments));
-    });
-  };
-  function d3_selection_creator(name) {
-    function create() {
-      var document = this.ownerDocument, namespace = this.namespaceURI;
-      return namespace ? document.createElementNS(namespace, name) : document.createElement(name);
-    }
-    function createNS() {
-      return this.ownerDocument.createElementNS(name.space, name.local);
-    }
-    return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;
-  }
-  d3_selectionPrototype.insert = function(name, before) {
-    name = d3_selection_creator(name);
-    before = d3_selection_selector(before);
-    return this.select(function() {
-      return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
-    });
-  };
-  d3_selectionPrototype.remove = function() {
-    return this.each(d3_selectionRemove);
-  };
-  function d3_selectionRemove() {
-    var parent = this.parentNode;
-    if (parent) parent.removeChild(this);
-  }
-  d3_selectionPrototype.data = function(value, key) {
-    var i = -1, n = this.length, group, node;
-    if (!arguments.length) {
-      value = new Array(n = (group = this[0]).length);
-      while (++i < n) {
-        if (node = group[i]) {
-          value[i] = node.__data__;
-        }
-      }
-      return value;
-    }
-    function bind(group, groupData) {
-      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
-      if (key) {
-        var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
-        for (i = -1; ++i < n; ) {
-          if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) {
-            exitNodes[i] = node;
-          } else {
-            nodeByKeyValue.set(keyValue, node);
-          }
-          keyValues[i] = keyValue;
-        }
-        for (i = -1; ++i < m; ) {
-          if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
-            enterNodes[i] = d3_selection_dataNode(nodeData);
-          } else if (node !== true) {
-            updateNodes[i] = node;
-            node.__data__ = nodeData;
-          }
-          nodeByKeyValue.set(keyValue, true);
-        }
-        for (i = -1; ++i < n; ) {
-          if (nodeByKeyValue.get(keyValues[i]) !== true) {
-            exitNodes[i] = group[i];
-          }
-        }
-      } else {
-        for (i = -1; ++i < n0; ) {
-          node = group[i];
-          nodeData = groupData[i];
-          if (node) {
-            node.__data__ = nodeData;
-            updateNodes[i] = node;
-          } else {
-            enterNodes[i] = d3_selection_dataNode(nodeData);
-          }
-        }
-        for (;i < m; ++i) {
-          enterNodes[i] = d3_selection_dataNode(groupData[i]);
-        }
-        for (;i < n; ++i) {
-          exitNodes[i] = group[i];
-        }
-      }
-      enterNodes.update = updateNodes;
-      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
-      enter.push(enterNodes);
-      update.push(updateNodes);
-      exit.push(exitNodes);
-    }
-    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
-    if (typeof value === "function") {
-      while (++i < n) {
-        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
-      }
-    } else {
-      while (++i < n) {
-        bind(group = this[i], value);
-      }
-    }
-    update.enter = function() {
-      return enter;
-    };
-    update.exit = function() {
-      return exit;
-    };
-    return update;
-  };
-  function d3_selection_dataNode(data) {
-    return {
-      __data__: data
-    };
-  }
-  d3_selectionPrototype.datum = function(value) {
-    return arguments.length ? this.property("__data__", value) : this.property("__data__");
-  };
-  d3_selectionPrototype.filter = function(filter) {
-    var subgroups = [], subgroup, group, node;
-    if (typeof filter !== "function") filter = d3_selection_filter(filter);
-    for (var j = 0, m = this.length; j < m; j++) {
-      subgroups.push(subgroup = []);
-      subgroup.parentNode = (group = this[j]).parentNode;
-      for (var i = 0, n = group.length; i < n; i++) {
-        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
-          subgroup.push(node);
-        }
-      }
-    }
-    return d3_selection(subgroups);
-  };
-  function d3_selection_filter(selector) {
-    return function() {
-      return d3_selectMatches(this, selector);
-    };
-  }
-  d3_selectionPrototype.order = function() {
-    for (var j = -1, m = this.length; ++j < m; ) {
-      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
-        if (node = group[i]) {
-          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
-          next = node;
-        }
-      }
-    }
-    return this;
-  };
-  d3_selectionPrototype.sort = function(comparator) {
-    comparator = d3_selection_sortComparator.apply(this, arguments);
-    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
-    return this.order();
-  };
-  function d3_selection_sortComparator(comparator) {
-    if (!arguments.length) comparator = d3_ascending;
-    return function(a, b) {
-      return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
-    };
-  }
-  d3_selectionPrototype.each = function(callback) {
-    return d3_selection_each(this, function(node, i, j) {
-      callback.call(node, node.__data__, i, j);
-    });
-  };
-  function d3_selection_each(groups, callback) {
-    for (var j = 0, m = groups.length; j < m; j++) {
-      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
-        if (node = group[i]) callback(node, i, j);
-      }
-    }
-    return groups;
-  }
-  d3_selectionPrototype.call = function(callback) {
-    var args = d3_array(arguments);
-    callback.apply(args[0] = this, args);
-    return this;
-  };
-  d3_selectionPrototype.empty = function() {
-    return !this.node();
-  };
-  d3_selectionPrototype.node = function() {
-    for (var j = 0, m = this.length; j < m; j++) {
-      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-        var node = group[i];
-        if (node) return node;
-      }
-    }
-    return null;
-  };
-  d3_selectionPrototype.size = function() {
-    var n = 0;
-    d3_selection_each(this, function() {
-      ++n;
-    });
-    return n;
-  };
-  function d3_selection_enter(selection) {
-    d3_subclass(selection, d3_selection_enterPrototype);
-    return selection;
-  }
-  var d3_selection_enterPrototype = [];
-  d3.selection.enter = d3_selection_enter;
-  d3.selection.enter.prototype = d3_selection_enterPrototype;
-  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
-  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
-  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
-  d3_selection_enterPrototype.call = d3_selectionPrototype.call;
-  d3_selection_enterPrototype.size = d3_selectionPrototype.size;
-  d3_selection_enterPrototype.select = function(selector) {
-    var subgroups = [], subgroup, subnode, upgroup, group, node;
-    for (var j = -1, m = this.length; ++j < m; ) {
-      upgroup = (group = this[j]).update;
-      subgroups.push(subgroup = []);
-      subgroup.parentNode = group.parentNode;
-      for (var i = -1, n = group.length; ++i < n; ) {
-        if (node = group[i]) {
-          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
-          subnode.__data__ = node.__data__;
-        } else {
-          subgroup.push(null);
-        }
-      }
-    }
-    return d3_selection(subgroups);
-  };
-  d3_selection_enterPrototype.insert = function(name, before) {
-    if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
-    return d3_selectionPrototype.insert.call(this, name, before);
-  };
-  function d3_selection_enterInsertBefore(enter) {
-    var i0, j0;
-    return function(d, i, j) {
-      var group = enter[j].update, n = group.length, node;
-      if (j != j0) j0 = j, i0 = 0;
-      if (i >= i0) i0 = i + 1;
-      while (!(node = group[i0]) && ++i0 < n) ;
-      return node;
-    };
-  }
-  d3.select = function(node) {
-    var group;
-    if (typeof node === "string") {
-      group = [ d3_select(node, d3_document) ];
-      group.parentNode = d3_document.documentElement;
-    } else {
-      group = [ node ];
-      group.parentNode = d3_documentElement(node);
-    }
-    return d3_selection([ group ]);
-  };
-  d3.selectAll = function(nodes) {
-    var group;
-    if (typeof nodes === "string") {
-      group = d3_array(d3_selectAll(nodes, d3_document));
-      group.parentNode = d3_document.documentElement;
-    } else {
-      group = nodes;
-      group.parentNode = null;
-    }
-    return d3_selection([ group ]);
-  };
-  d3_selectionPrototype.on = function(type, listener, capture) {
-    var n = arguments.length;
-    if (n < 3) {
-      if (typeof type !== "string") {
-        if (n < 2) listener = false;
-        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
-        return this;
-      }
-      if (n < 2) return (n = this.node()["__on" + type]) && n._;
-      capture = false;
-    }
-    return this.each(d3_selection_on(type, listener, capture));
-  };
-  function d3_selection_on(type, listener, capture) {
-    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
-    if (i > 0) type = type.slice(0, i);
-    var filter = d3_selection_onFilters.get(type);
-    if (filter) type = filter, wrap = d3_selection_onFilter;
-    function onRemove() {
-      var l = this[name];
-      if (l) {
-        this.removeEventListener(type, l, l.$);
-        delete this[name];
-      }
-    }
-    function onAdd() {
-      var l = wrap(listener, d3_array(arguments));
-      onRemove.call(this);
-      this.addEventListener(type, this[name] = l, l.$ = capture);
-      l._ = listener;
-    }
-    function removeAll() {
-      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
-      for (var name in this) {
-        if (match = name.match(re)) {
-          var l = this[name];
-          this.removeEventListener(match[1], l, l.$);
-          delete this[name];
-        }
-      }
-    }
-    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
-  }
-  var d3_selection_onFilters = d3.map({
-    mouseenter: "mouseover",
-    mouseleave: "mouseout"
-  });
-  if (d3_document) {
-    d3_selection_onFilters.forEach(function(k) {
-      if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
-    });
-  }
-  function d3_selection_onListener(listener, argumentz) {
-    return function(e) {
-      var o = d3.event;
-      d3.event = e;
-      argumentz[0] = this.__data__;
-      try {
-        listener.apply(this, argumentz);
-      } finally {
-        d3.event = o;
-      }
-    };
-  }
-  function d3_selection_onFilter(listener, argumentz) {
-    var l = d3_selection_onListener(listener, argumentz);
-    return function(e) {
-      var target = this, related = e.relatedTarget;
-      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
-        l.call(target, e);
-      }
-    };
-  }
-  var d3_event_dragSelect, d3_event_dragId = 0;
-  function d3_event_dragSuppress(node) {
-    var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
-    if (d3_event_dragSelect == null) {
-      d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect");
-    }
-    if (d3_event_dragSelect) {
-      var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];
-      style[d3_event_dragSelect] = "none";
-    }
-    return function(suppressClick) {
-      w.on(name, null);
-      if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
-      if (suppressClick) {
-        var off = function() {
-          w.on(click, null);
-        };
-        w.on(click, function() {
-          d3_eventPreventDefault();
-          off();
-        }, true);
-        setTimeout(off, 0);
-      }
-    };
-  }
-  d3.mouse = function(container) {
-    return d3_mousePoint(container, d3_eventSource());
-  };
-  var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;
-  function d3_mousePoint(container, e) {
-    if (e.changedTouches) e = e.changedTouches[0];
-    var svg = container.ownerSVGElement || container;
-    if (svg.createSVGPoint) {
-      var point = svg.createSVGPoint();
-      if (d3_mouse_bug44083 < 0) {
-        var window = d3_window(container);
-        if (window.scrollX || window.scrollY) {
-          svg = d3.select("body").append("svg").style({
-            position: "absolute",
-            top: 0,
-            left: 0,
-            margin: 0,
-            padding: 0,
-            border: "none"
-          }, "important");
-          var ctm = svg[0][0].getScreenCTM();
-          d3_mouse_bug44083 = !(ctm.f || ctm.e);
-          svg.remove();
-        }
-      }
-      if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, 
-      point.y = e.clientY;
-      point = point.matrixTransform(container.getScreenCTM().inverse());
-      return [ point.x, point.y ];
-    }
-    var rect = container.getBoundingClientRect();
-    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
-  }
-  d3.touch = function(container, touches, identifier) {
-    if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
-    if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
-      if ((touch = touches[i]).identifier === identifier) {
-        return d3_mousePoint(container, touch);
-      }
-    }
-  };
-  d3.behavior.drag = function() {
-    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend");
-    function drag() {
-      this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
-    }
-    function dragstart(id, position, subject, move, end) {
-      return function() {
-        var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);
-        if (origin) {
-          dragOffset = origin.apply(that, arguments);
-          dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
-        } else {
-          dragOffset = [ 0, 0 ];
-        }
-        dispatch({
-          type: "dragstart"
-        });
-        function moved() {
-          var position1 = position(parent, dragId), dx, dy;
-          if (!position1) return;
-          dx = position1[0] - position0[0];
-          dy = position1[1] - position0[1];
-          dragged |= dx | dy;
-          position0 = position1;
-          dispatch({
-            type: "drag",
-            x: position1[0] + dragOffset[0],
-            y: position1[1] + dragOffset[1],
-            dx: dx,
-            dy: dy
-          });
-        }
-        function ended() {
-          if (!position(parent, dragId)) return;
-          dragSubject.on(move + dragName, null).on(end + dragName, null);
-          dragRestore(dragged && d3.event.target === target);
-          dispatch({
-            type: "dragend"
-          });
-        }
-      };
-    }
-    drag.origin = function(x) {
-      if (!arguments.length) return origin;
-      origin = x;
-      return drag;
-    };
-    return d3.rebind(drag, event, "on");
-  };
-  function d3_behavior_dragTouchId() {
-    return d3.event.changedTouches[0].identifier;
-  }
-  d3.touches = function(container, touches) {
-    if (arguments.length < 2) touches = d3_eventSource().touches;
-    return touches ? d3_array(touches).map(function(touch) {
-      var point = d3_mousePoint(container, touch);
-      point.identifier = touch.identifier;
-      return point;
-    }) : [];
-  };
-  var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
-  function d3_sgn(x) {
-    return x > 0 ? 1 : x < 0 ? -1 : 0;
-  }
-  function d3_cross2d(a, b, c) {
-    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
-  }
-  function d3_acos(x) {
-    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
-  }
-  function d3_asin(x) {
-    return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
-  }
-  function d3_sinh(x) {
-    return ((x = Math.exp(x)) - 1 / x) / 2;
-  }
-  function d3_cosh(x) {
-    return ((x = Math.exp(x)) + 1 / x) / 2;
-  }
-  function d3_tanh(x) {
-    return ((x = Math.exp(2 * x)) - 1) / (x + 1);
-  }
-  function d3_haversin(x) {
-    return (x = Math.sin(x / 2)) * x;
-  }
-  var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
-  d3.interpolateZoom = function(p0, p1) {
-    var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2];
-    var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ;
-    function interpolate(t) {
-      var s = t * S;
-      if (dr) {
-        var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
-        return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
-      }
-      return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ];
-    }
-    interpolate.duration = S * 1e3;
-    return interpolate;
-  };
-  d3.behavior.zoom = function() {
-    var view = {
-      x: 0,
-      y: 0,
-      k: 1
-    }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
-    if (!d3_behavior_zoomWheel) {
-      d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
-        return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
-      }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
-        return d3.event.wheelDelta;
-      }, "mousewheel") : (d3_behavior_zoomDelta = function() {
-        return -d3.event.detail;
-      }, "MozMousePixelScroll");
-    }
-    function zoom(g) {
-      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
-    }
-    zoom.event = function(g) {
-      g.each(function() {
-        var dispatch = event.of(this, arguments), view1 = view;
-        if (d3_transitionInheritId) {
-          d3.select(this).transition().each("start.zoom", function() {
-            view = this.__chart__ || {
-              x: 0,
-              y: 0,
-              k: 1
-            };
-            zoomstarted(dispatch);
-          }).tween("zoom:zoom", function() {
-            var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
-            return function(t) {
-              var l = i(t), k = dx / l[2];
-              this.__chart__ = view = {
-                x: cx - l[0] * k,
-                y: cy - l[1] * k,
-                k: k
-              };
-              zoomed(dispatch);
-            };
-          }).each("interrupt.zoom", function() {
-            zoomended(dispatch);
-          }).each("end.zoom", function() {
-            zoomended(dispatch);
-          });
-        } else {
-          this.__chart__ = view;
-          zoomstarted(dispatch);
-          zoomed(dispatch);
-          zoomended(dispatch);
-        }
-      });
-    };
-    zoom.translate = function(_) {
-      if (!arguments.length) return [ view.x, view.y ];
-      view = {
-        x: +_[0],
-        y: +_[1],
-        k: view.k
-      };
-      rescale();
-      return zoom;
-    };
-    zoom.scale = function(_) {
-      if (!arguments.length) return view.k;
-      view = {
-        x: view.x,
-        y: view.y,
-        k: +_
-      };
-      rescale();
-      return zoom;
-    };
-    zoom.scaleExtent = function(_) {
-      if (!arguments.length) return scaleExtent;
-      scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
-      return zoom;
-    };
-    zoom.center = function(_) {
-      if (!arguments.length) return center;
-      center = _ && [ +_[0], +_[1] ];
-      return zoom;
-    };
-    zoom.size = function(_) {
-      if (!arguments.length) return size;
-      size = _ && [ +_[0], +_[1] ];
-      return zoom;
-    };
-    zoom.duration = function(_) {
-      if (!arguments.length) return duration;
-      duration = +_;
-      return zoom;
-    };
-    zoom.x = function(z) {
-      if (!arguments.length) return x1;
-      x1 = z;
-      x0 = z.copy();
-      view = {
-        x: 0,
-        y: 0,
-        k: 1
-      };
-      return zoom;
-    };
-    zoom.y = function(z) {
-      if (!arguments.length) return y1;
-      y1 = z;
-      y0 = z.copy();
-      view = {
-        x: 0,
-        y: 0,
-        k: 1
-      };
-      return zoom;
-    };
-    function location(p) {
-      return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
-    }
-    function point(l) {
-      return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
-    }
-    function scaleTo(s) {
-      view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
-    }
-    function translateTo(p, l) {
-      l = point(l);
-      view.x += p[0] - l[0];
-      view.y += p[1] - l[1];
-    }
-    function zoomTo(that, p, l, k) {
-      that.__chart__ = {
-        x: view.x,
-        y: view.y,
-        k: view.k
-      };
-      scaleTo(Math.pow(2, k));
-      translateTo(center0 = p, l);
-      that = d3.select(that);
-      if (duration > 0) that = that.transition().duration(duration);
-      that.call(zoom.event);
-    }
-    function rescale() {
-      if (x1) x1.domain(x0.range().map(function(x) {
-        return (x - view.x) / view.k;
-      }).map(x0.invert));
-      if (y1) y1.domain(y0.range().map(function(y) {
-        return (y - view.y) / view.k;
-      }).map(y0.invert));
-    }
-    function zoomstarted(dispatch) {
-      if (!zooming++) dispatch({
-        type: "zoomstart"
-      });
-    }
-    function zoomed(dispatch) {
-      rescale();
-      dispatch({
-        type: "zoom",
-        scale: view.k,
-        translate: [ view.x, view.y ]
-      });
-    }
-    function zoomended(dispatch) {
-      if (!--zooming) dispatch({
-        type: "zoomend"
-      }), center0 = null;
-    }
-    function mousedowned() {
-      var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);
-      d3_selection_interrupt.call(that);
-      zoomstarted(dispatch);
-      function moved() {
-        dragged = 1;
-        translateTo(d3.mouse(that), location0);
-        zoomed(dispatch);
-      }
-      function ended() {
-        subject.on(mousemove, null).on(mouseup, null);
-        dragRestore(dragged && d3.event.target === target);
-        zoomended(dispatch);
-      }
-    }
-    function touchstarted() {
-      var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that);
-      started();
-      zoomstarted(dispatch);
-      subject.on(mousedown, null).on(touchstart, started);
-      function relocate() {
-        var touches = d3.touches(that);
-        scale0 = view.k;
-        touches.forEach(function(t) {
-          if (t.identifier in locations0) locations0[t.identifier] = location(t);
-        });
-        return touches;
-      }
-      function started() {
-        var target = d3.event.target;
-        d3.select(target).on(touchmove, moved).on(touchend, ended);
-        targets.push(target);
-        var changed = d3.event.changedTouches;
-        for (var i = 0, n = changed.length; i < n; ++i) {
-          locations0[changed[i].identifier] = null;
-        }
-        var touches = relocate(), now = Date.now();
-        if (touches.length === 1) {
-          if (now - touchtime < 500) {
-            var p = touches[0];
-            zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
-            d3_eventPreventDefault();
-          }
-          touchtime = now;
-        } else if (touches.length > 1) {
-          var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
-          distance0 = dx * dx + dy * dy;
-        }
-      }
-      function moved() {
-        var touches = d3.touches(that), p0, l0, p1, l1;
-        d3_selection_interrupt.call(that);
-        for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
-          p1 = touches[i];
-          if (l1 = locations0[p1.identifier]) {
-            if (l0) break;
-            p0 = p1, l0 = l1;
-          }
-        }
-        if (l1) {
-          var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
-          p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
-          l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
-          scaleTo(scale1 * scale0);
-        }
-        touchtime = null;
-        translateTo(p0, l0);
-        zoomed(dispatch);
-      }
-      function ended() {
-        if (d3.event.touches.length) {
-          var changed = d3.event.changedTouches;
-          for (var i = 0, n = changed.length; i < n; ++i) {
-            delete locations0[changed[i].identifier];
-          }
-          for (var identifier in locations0) {
-            return void relocate();
-          }
-        }
-        d3.selectAll(targets).on(zoomName, null);
-        subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
-        dragRestore();
-        zoomended(dispatch);
-      }
-    }
-    function mousewheeled() {
-      var dispatch = event.of(this, arguments);
-      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
-      translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);
-      mousewheelTimer = setTimeout(function() {
-        mousewheelTimer = null;
-        zoomended(dispatch);
-      }, 50);
-      d3_eventPreventDefault();
-      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
-      translateTo(center0, translate0);
-      zoomed(dispatch);
-    }
-    function dblclicked() {
-      var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
-      zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
-    }
-    return d3.rebind(zoom, event, "on");
-  };
-  var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;
-  d3.color = d3_color;
-  function d3_color() {}
-  d3_color.prototype.toString = function() {
-    return this.rgb() + "";
-  };
-  d3.hsl = d3_hsl;
-  function d3_hsl(h, s, l) {
-    return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
-  }
-  var d3_hslPrototype = d3_hsl.prototype = new d3_color();
-  d3_hslPrototype.brighter = function(k) {
-    k = Math.pow(.7, arguments.length ? k : 1);
-    return new d3_hsl(this.h, this.s, this.l / k);
-  };
-  d3_hslPrototype.darker = function(k) {
-    k = Math.pow(.7, arguments.length ? k : 1);
-    return new d3_hsl(this.h, this.s, k * this.l);
-  };
-  d3_hslPrototype.rgb = function() {
-    return d3_hsl_rgb(this.h, this.s, this.l);
-  };
-  function d3_hsl_rgb(h, s, l) {
-    var m1, m2;
-    h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
-    s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
-    l = l < 0 ? 0 : l > 1 ? 1 : l;
-    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
-    m1 = 2 * l - m2;
-    function v(h) {
-      if (h > 360) h -= 360; else if (h < 0) h += 360;
-      if (h < 60) return m1 + (m2 - m1) * h / 60;
-      if (h < 180) return m2;
-      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
-      return m1;
-    }
-    function vv(h) {
-      return Math.round(v(h) * 255);
-    }
-    return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
-  }
-  d3.hcl = d3_hcl;
-  function d3_hcl(h, c, l) {
-    return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
-  }
-  var d3_hclPrototype = d3_hcl.prototype = new d3_color();
-  d3_hclPrototype.brighter = function(k) {
-    return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
-  };
-  d3_hclPrototype.darker = function(k) {
-    return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
-  };
-  d3_hclPrototype.rgb = function() {
-    return d3_hcl_lab(this.h, this.c, this.l).rgb();
-  };
-  function d3_hcl_lab(h, c, l) {
-    if (isNaN(h)) h = 0;
-    if (isNaN(c)) c = 0;
-    return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
-  }
-  d3.lab = d3_lab;
-  function d3_lab(l, a, b) {
-    return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
-  }
-  var d3_lab_K = 18;
-  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
-  var d3_labPrototype = d3_lab.prototype = new d3_color();
-  d3_labPrototype.brighter = function(k) {
-    return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
-  };
-  d3_labPrototype.darker = function(k) {
-    return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
-  };
-  d3_labPrototype.rgb = function() {
-    return d3_lab_rgb(this.l, this.a, this.b);
-  };
-  function d3_lab_rgb(l, a, b) {
-    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
-    x = d3_lab_xyz(x) * d3_lab_X;
-    y = d3_lab_xyz(y) * d3_lab_Y;
-    z = d3_lab_xyz(z) * d3_lab_Z;
-    return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
-  }
-  function d3_lab_hcl(l, a, b) {
-    return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
-  }
-  function d3_lab_xyz(x) {
-    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
-  }
-  function d3_xyz_lab(x) {
-    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
-  }
-  function d3_xyz_rgb(r) {
-    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
-  }
-  d3.rgb = d3_rgb;
-  function d3_rgb(r, g, b) {
-    return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
-  }
-  function d3_rgbNumber(value) {
-    return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
-  }
-  function d3_rgbString(value) {
-    return d3_rgbNumber(value) + "";
-  }
-  var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
-  d3_rgbPrototype.brighter = function(k) {
-    k = Math.pow(.7, arguments.length ? k : 1);
-    var r = this.r, g = this.g, b = this.b, i = 30;
-    if (!r && !g && !b) return new d3_rgb(i, i, i);
-    if (r && r < i) r = i;
-    if (g && g < i) g = i;
-    if (b && b < i) b = i;
-    return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
-  };
-  d3_rgbPrototype.darker = function(k) {
-    k = Math.pow(.7, arguments.length ? k : 1);
-    return new d3_rgb(k * this.r, k * this.g, k * this.b);
-  };
-  d3_rgbPrototype.hsl = function() {
-    return d3_rgb_hsl(this.r, this.g, this.b);
-  };
-  d3_rgbPrototype.toString = function() {
-    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
-  };
-  function d3_rgb_hex(v) {
-    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
-  }
-  function d3_rgb_parse(format, rgb, hsl) {
-    var r = 0, g = 0, b = 0, m1, m2, color;
-    m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase());
-    if (m1) {
-      m2 = m1[2].split(",");
-      switch (m1[1]) {
-       case "hsl":
-        {
-          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
-        }
-
-       case "rgb":
-        {
-          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
-        }
-      }
-    }
-    if (color = d3_rgb_names.get(format)) {
-      return rgb(color.r, color.g, color.b);
-    }
-    if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
-      if (format.length === 4) {
-        r = (color & 3840) >> 4;
-        r = r >> 4 | r;
-        g = color & 240;
-        g = g >> 4 | g;
-        b = color & 15;
-        b = b << 4 | b;
-      } else if (format.length === 7) {
-        r = (color & 16711680) >> 16;
-        g = (color & 65280) >> 8;
-        b = color & 255;
-      }
-    }
-    return rgb(r, g, b);
-  }
-  function d3_rgb_hsl(r, g, b) {
-    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
-    if (d) {
-      s = l < .5 ? d / (max + min) : d / (2 - max - min);
-      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
-      h *= 60;
-    } else {
-      h = NaN;
-      s = l > 0 && l < 1 ? 0 : h;
-    }
-    return new d3_hsl(h, s, l);
-  }
-  function d3_rgb_lab(r, g, b) {
-    r = d3_rgb_xyz(r);
-    g = d3_rgb_xyz(g);
-    b = d3_rgb_xyz(b);
-    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
-    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
-  }
-  function d3_rgb_xyz(r) {
-    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
-  }
-  function d3_rgb_parseNumber(c) {
-    var f = parseFloat(c);
-    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
-  }
-  var d3_rgb_names = d3.map({
-    aliceblue: 15792383,
-    antiquewhite: 16444375,
-    aqua: 65535,
-    aquamarine: 8388564,
-    azure: 15794175,
-    beige: 16119260,
-    bisque: 16770244,
-    black: 0,
-    blanchedalmond: 16772045,
-    blue: 255,
-    blueviolet: 9055202,
-    brown: 10824234,
-    burlywood: 14596231,
-    cadetblue: 6266528,
-    chartreuse: 8388352,
-    chocolate: 13789470,
-    coral: 16744272,
-    cornflowerblue: 6591981,
-    cornsilk: 16775388,
-    crimson: 14423100,
-    cyan: 65535,
-    darkblue: 139,
-    darkcyan: 35723,
-    darkgoldenrod: 12092939,
-    darkgray: 11119017,
-    darkgreen: 25600,
-    darkgrey: 11119017,
-    darkkhaki: 12433259,
-    darkmagenta: 9109643,
-    darkolivegreen: 5597999,
-    darkorange: 16747520,
-    darkorchid: 10040012,
-    darkred: 9109504,
-    darksalmon: 15308410,
-    darkseagreen: 9419919,
-    darkslateblue: 4734347,
-    darkslategray: 3100495,
-    darkslategrey: 3100495,
-    darkturquoise: 52945,
-    darkviolet: 9699539,
-    deeppink: 16716947,
-    deepskyblue: 49151,
-    dimgray: 6908265,
-    dimgrey: 6908265,
-    dodgerblue: 2003199,
-    firebrick: 11674146,
-    floralwhite: 16775920,
-    forestgreen: 2263842,
-    fuchsia: 16711935,
-    gainsboro: 14474460,
-    ghostwhite: 16316671,
-    gold: 16766720,
-    goldenrod: 14329120,
-    gray: 8421504,
-    green: 32768,
-    greenyellow: 11403055,
-    grey: 8421504,
-    honeydew: 15794160,
-    hotpink: 16738740,
-    indianred: 13458524,
-    indigo: 4915330,
-    ivory: 16777200,
-    khaki: 15787660,
-    lavender: 15132410,
-    lavenderblush: 16773365,
-    lawngreen: 8190976,
-    lemonchiffon: 16775885,
-    lightblue: 11393254,
-    lightcoral: 15761536,
-    lightcyan: 14745599,
-    lightgoldenrodyellow: 16448210,
-    lightgray: 13882323,
-    lightgreen: 9498256,
-    lightgrey: 13882323,
-    lightpink: 16758465,
-    lightsalmon: 16752762,
-    lightseagreen: 2142890,
-    lightskyblue: 8900346,
-    lightslategray: 7833753,
-    lightslategrey: 7833753,
-    lightsteelblue: 11584734,
-    lightyellow: 16777184,
-    lime: 65280,
-    limegreen: 3329330,
-    linen: 16445670,
-    magenta: 16711935,
-    maroon: 8388608,
-    mediumaquamarine: 6737322,
-    mediumblue: 205,
-    mediumorchid: 12211667,
-    mediumpurple: 9662683,
-    mediumseagreen: 3978097,
-    mediumslateblue: 8087790,
-    mediumspringgreen: 64154,
-    mediumturquoise: 4772300,
-    mediumvioletred: 13047173,
-    midnightblue: 1644912,
-    mintcream: 16121850,
-    mistyrose: 16770273,
-    moccasin: 16770229,
-    navajowhite: 16768685,
-    navy: 128,
-    oldlace: 16643558,
-    olive: 8421376,
-    olivedrab: 7048739,
-    orange: 16753920,
-    orangered: 16729344,
-    orchid: 14315734,
-    palegoldenrod: 15657130,
-    palegreen: 10025880,
-    paleturquoise: 11529966,
-    palevioletred: 14381203,
-    papayawhip: 16773077,
-    peachpuff: 16767673,
-    peru: 13468991,
-    pink: 16761035,
-    plum: 14524637,
-    powderblue: 11591910,
-    purple: 8388736,
-    rebeccapurple: 6697881,
-    red: 16711680,
-    rosybrown: 12357519,
-    royalblue: 4286945,
-    saddlebrown: 9127187,
-    salmon: 16416882,
-    sandybrown: 16032864,
-    seagreen: 3050327,
-    seashell: 16774638,
-    sienna: 10506797,
-    silver: 12632256,
-    skyblue: 8900331,
-    slateblue: 6970061,
-    slategray: 7372944,
-    slategrey: 7372944,
-    snow: 16775930,
-    springgreen: 65407,
-    steelblue: 4620980,
-    tan: 13808780,
-    teal: 32896,
-    thistle: 14204888,
-    tomato: 16737095,
-    turquoise: 4251856,
-    violet: 15631086,
-    wheat: 16113331,
-    white: 16777215,
-    whitesmoke: 16119285,
-    yellow: 16776960,
-    yellowgreen: 10145074
-  });
-  d3_rgb_names.forEach(function(key, value) {
-    d3_rgb_names.set(key, d3_rgbNumber(value));
-  });
-  function d3_functor(v) {
-    return typeof v === "function" ? v : function() {
-      return v;
-    };
-  }
-  d3.functor = d3_functor;
-  d3.xhr = d3_xhrType(d3_identity);
-  function d3_xhrType(response) {
-    return function(url, mimeType, callback) {
-      if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
-      mimeType = null;
-      return d3_xhr(url, mimeType, response, callback);
-    };
-  }
-  function d3_xhr(url, mimeType, response, callback) {
-    var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
-    if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
-    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
-      request.readyState > 3 && respond();
-    };
-    function respond() {
-      var status = request.status, result;
-      if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
-        try {
-          result = response.call(xhr, request);
-        } catch (e) {
-          dispatch.error.call(xhr, e);
-          return;
-        }
-        dispatch.load.call(xhr, result);
-      } else {
-        dispatch.error.call(xhr, request);
-      }
-    }
-    request.onprogress = function(event) {
-      var o = d3.event;
-      d3.event = event;
-      try {
-        dispatch.progress.call(xhr, request);
-      } finally {
-        d3.event = o;
-      }
-    };
-    xhr.header = function(name, value) {
-      name = (name + "").toLowerCase();
-      if (arguments.length < 2) return headers[name];
-      if (value == null) delete headers[name]; else headers[name] = value + "";
-      return xhr;
-    };
-    xhr.mimeType = function(value) {
-      if (!arguments.length) return mimeType;
-      mimeType = value == null ? null : value + "";
-      return xhr;
-    };
-    xhr.responseType = function(value) {
-      if (!arguments.length) return responseType;
-      responseType = value;
-      return xhr;
-    };
-    xhr.response = function(value) {
-      response = value;
-      return xhr;
-    };
-    [ "get", "post" ].forEach(function(method) {
-      xhr[method] = function() {
-        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
-      };
-    });
-    xhr.send = function(method, data, callback) {
-      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
-      request.open(method, url, true);
-      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
-      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
-      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
-      if (responseType != null) request.responseType = responseType;
-      if (callback != null) xhr.on("error", callback).on("load", function(request) {
-        callback(null, request);
-      });
-      dispatch.beforesend.call(xhr, request);
-      request.send(data == null ? null : data);
-      return xhr;
-    };
-    xhr.abort = function() {
-      request.abort();
-      return xhr;
-    };
-    d3.rebind(xhr, dispatch, "on");
-    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
-  }
-  function d3_xhr_fixCallback(callback) {
-    return callback.length === 1 ? function(error, request) {
-      callback(error == null ? request : null);
-    } : callback;
-  }
-  function d3_xhrHasResponse(request) {
-    var type = request.responseType;
-    return type && type !== "text" ? request.response : request.responseText;
-  }
-  d3.dsv = function(delimiter, mimeType) {
-    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
-    function dsv(url, row, callback) {
-      if (arguments.length < 3) callback = row, row = null;
-      var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
-      xhr.row = function(_) {
-        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
-      };
-      return xhr;
-    }
-    function response(request) {
-      return dsv.parse(request.responseText);
-    }
-    function typedResponse(f) {
-      return function(request) {
-        return dsv.parse(request.responseText, f);
-      };
-    }
-    dsv.parse = function(text, f) {
-      var o;
-      return dsv.parseRows(text, function(row, i) {
-        if (o) return o(row, i - 1);
-        var a = new Function("d", "return {" + row.map(function(name, i) {
-          return JSON.stringify(name) + ": d[" + i + "]";
-        }).join(",") + "}");
-        o = f ? function(row, i) {
-          return f(a(row), i);
-        } : a;
-      });
-    };
-    dsv.parseRows = function(text, f) {
-      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
-      function token() {
-        if (I >= N) return EOF;
-        if (eol) return eol = false, EOL;
-        var j = I;
-        if (text.charCodeAt(j) === 34) {
-          var i = j;
-          while (i++ < N) {
-            if (text.charCodeAt(i) === 34) {
-              if (text.charCodeAt(i + 1) !== 34) break;
-              ++i;
-            }
-          }
-          I = i + 2;
-          var c = text.charCodeAt(i + 1);
-          if (c === 13) {
-            eol = true;
-            if (text.charCodeAt(i + 2) === 10) ++I;
-          } else if (c === 10) {
-            eol = true;
-          }
-          return text.slice(j + 1, i).replace(/""/g, '"');
-        }
-        while (I < N) {
-          var c = text.charCodeAt(I++), k = 1;
-          if (c === 10) eol = true; else if (c === 13) {
-            eol = true;
-            if (text.charCodeAt(I) === 10) ++I, ++k;
-          } else if (c !== delimiterCode) continue;
-          return text.slice(j, I - k);
-        }
-        return text.slice(j);
-      }
-      while ((t = token()) !== EOF) {
-        var a = [];
-        while (t !== EOL && t !== EOF) {
-          a.push(t);
-          t = token();
-        }
-        if (f && (a = f(a, n++)) == null) continue;
-        rows.push(a);
-      }
-      return rows;
-    };
-    dsv.format = function(rows) {
-      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
-      var fieldSet = new d3_Set(), fields = [];
-      rows.forEach(function(row) {
-        for (var field in row) {
-          if (!fieldSet.has(field)) {
-            fields.push(fieldSet.add(field));
-          }
-        }
-      });
-      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
-        return fields.map(function(field) {
-          return formatValue(row[field]);
-        }).join(delimiter);
-      })).join("\n");
-    };
-    dsv.formatRows = function(rows) {
-      return rows.map(formatRow).join("\n");
-    };
-    function formatRow(row) {
-      return row.map(formatValue).join(delimiter);
-    }
-    function formatValue(text) {
-      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
-    }
-    return dsv;
-  };
-  d3.csv = d3.dsv(",", "text/csv");
-  d3.tsv = d3.dsv("	", "text/tab-separated-values");
-  var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) {
-    setTimeout(callback, 17);
-  };
-  d3.timer = function(callback, delay, then) {
-    var n = arguments.length;
-    if (n < 2) delay = 0;
-    if (n < 3) then = Date.now();
-    var time = then + delay, timer = {
-      c: callback,
-      t: time,
-      f: false,
-      n: null
-    };
-    if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
-    d3_timer_queueTail = timer;
-    if (!d3_timer_interval) {
-      d3_timer_timeout = clearTimeout(d3_timer_timeout);
-      d3_timer_interval = 1;
-      d3_timer_frame(d3_timer_step);
-    }
-  };
-  function d3_timer_step() {
-    var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
-    if (delay > 24) {
-      if (isFinite(delay)) {
-        clearTimeout(d3_timer_timeout);
-        d3_timer_timeout = setTimeout(d3_timer_step, delay);
-      }
-      d3_timer_interval = 0;
-    } else {
-      d3_timer_interval = 1;
-      d3_timer_frame(d3_timer_step);
-    }
-  }
-  d3.timer.flush = function() {
-    d3_timer_mark();
-    d3_timer_sweep();
-  };
-  function d3_timer_mark() {
-    var now = Date.now();
-    d3_timer_active = d3_timer_queueHead;
-    while (d3_timer_active) {
-      if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t);
-      d3_timer_active = d3_timer_active.n;
-    }
-    return now;
-  }
-  function d3_timer_sweep() {
-    var t0, t1 = d3_timer_queueHead, time = Infinity;
-    while (t1) {
-      if (t1.f) {
-        t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
-      } else {
-        if (t1.t < time) time = t1.t;
-        t1 = (t0 = t1).n;
-      }
-    }
-    d3_timer_queueTail = t0;
-    return time;
-  }
-  function d3_format_precision(x, p) {
-    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
-  }
-  d3.round = function(x, n) {
-    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
-  };
-  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
-  d3.formatPrefix = function(value, precision) {
-    var i = 0;
-    if (value) {
-      if (value < 0) value *= -1;
-      if (precision) value = d3.round(value, d3_format_precision(value, precision));
-      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
-      i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
-    }
-    return d3_formatPrefixes[8 + i / 3];
-  };
-  function d3_formatPrefix(d, i) {
-    var k = Math.pow(10, abs(8 - i) * 3);
-    return {
-      scale: i > 8 ? function(d) {
-        return d / k;
-      } : function(d) {
-        return d * k;
-      },
-      symbol: d
-    };
-  }
-  function d3_locale_numberFormat(locale) {
-    var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
-      var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
-      while (i > 0 && g > 0) {
-        if (length + g + 1 > width) g = Math.max(1, width - length);
-        t.push(value.substring(i -= g, i + g));
-        if ((length += g + 1) > width) break;
-        g = locale_grouping[j = (j + 1) % locale_grouping.length];
-      }
-      return t.reverse().join(locale_thousands);
-    } : d3_identity;
-    return function(specifier) {
-      var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
-      if (precision) precision = +precision.substring(1);
-      if (zfill || fill === "0" && align === "=") {
-        zfill = fill = "0";
-        align = "=";
-      }
-      switch (type) {
-       case "n":
-        comma = true;
-        type = "g";
-        break;
-
-       case "%":
-        scale = 100;
-        suffix = "%";
-        type = "f";
-        break;
-
-       case "p":
-        scale = 100;
-        suffix = "%";
-        type = "r";
-        break;
-
-       case "b":
-       case "o":
-       case "x":
-       case "X":
-        if (symbol === "#") prefix = "0" + type.toLowerCase();
-
-       case "c":
-        exponent = false;
-
-       case "d":
-        integer = true;
-        precision = 0;
-        break;
-
-       case "s":
-        scale = -1;
-        type = "r";
-        break;
-      }
-      if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
-      if (type == "r" && !precision) type = "g";
-      if (precision != null) {
-        if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
-      }
-      type = d3_format_types.get(type) || d3_format_typeDefault;
-      var zcomma = zfill && comma;
-      return function(value) {
-        var fullSuffix = suffix;
-        if (integer && value % 1) return "";
-        var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
-        if (scale < 0) {
-          var unit = d3.formatPrefix(value, precision);
-          value = unit.scale(value);
-          fullSuffix = unit.symbol + suffix;
-        } else {
-          value *= scale;
-        }
-        value = type(value, precision);
-        var i = value.lastIndexOf("."), before, after;
-        if (i < 0) {
-          var j = exponent ? value.lastIndexOf("e") : -1;
-          if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
-        } else {
-          before = value.substring(0, i);
-          after = locale_decimal + value.substring(i + 1);
-        }
-        if (!zfill && comma) before = formatGroup(before, Infinity);
-        var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
-        if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
-        negative += prefix;
-        value = before + after;
-        return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
-      };
-    };
-  }
-  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
-  var d3_format_types = d3.map({
-    b: function(x) {
-      return x.toString(2);
-    },
-    c: function(x) {
-      return String.fromCharCode(x);
-    },
-    o: function(x) {
-      return x.toString(8);
-    },
-    x: function(x) {
-      return x.toString(16);
-    },
-    X: function(x) {
-      return x.toString(16).toUpperCase();
-    },
-    g: function(x, p) {
-      return x.toPrecision(p);
-    },
-    e: function(x, p) {
-      return x.toExponential(p);
-    },
-    f: function(x, p) {
-      return x.toFixed(p);
-    },
-    r: function(x, p) {
-      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
-    }
-  });
-  function d3_format_typeDefault(x) {
-    return x + "";
-  }
-  var d3_time = d3.time = {}, d3_date = Date;
-  function d3_date_utc() {
-    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
-  }
-  d3_date_utc.prototype = {
-    getDate: function() {
-      return this._.getUTCDate();
-    },
-    getDay: function() {
-      return this._.getUTCDay();
-    },
-    getFullYear: function() {
-      return this._.getUTCFullYear();
-    },
-    getHours: function() {
-      return this._.getUTCHours();
-    },
-    getMilliseconds: function() {
-      return this._.getUTCMilliseconds();
-    },
-    getMinutes: function() {
-      return this._.getUTCMinutes();
-    },
-    getMonth: function() {
-      return this._.getUTCMonth();
-    },
-    getSeconds: function() {
-      return this._.getUTCSeconds();
-    },
-    getTime: function() {
-      return this._.getTime();
-    },
-    getTimezoneOffset: function() {
-      return 0;
-    },
-    valueOf: function() {
-      return this._.valueOf();
-    },
-    setDate: function() {
-      d3_time_prototype.setUTCDate.apply(this._, arguments);
-    },
-    setDay: function() {
-      d3_time_prototype.setUTCDay.apply(this._, arguments);
-    },
-    setFullYear: function() {
-      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
-    },
-    setHours: function() {
-      d3_time_prototype.setUTCHours.apply(this._, arguments);
-    },
-    setMilliseconds: function() {
-      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
-    },
-    setMinutes: function() {
-      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
-    },
-    setMonth: function() {
-      d3_time_prototype.setUTCMonth.apply(this._, arguments);
-    },
-    setSeconds: function() {
-      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
-    },
-    setTime: function() {
-      d3_time_prototype.setTime.apply(this._, arguments);
-    }
-  };
-  var d3_time_prototype = Date.prototype;
-  function d3_time_interval(local, step, number) {
-    function round(date) {
-      var d0 = local(date), d1 = offset(d0, 1);
-      return date - d0 < d1 - date ? d0 : d1;
-    }
-    function ceil(date) {
-      step(date = local(new d3_date(date - 1)), 1);
-      return date;
-    }
-    function offset(date, k) {
-      step(date = new d3_date(+date), k);
-      return date;
-    }
-    function range(t0, t1, dt) {
-      var time = ceil(t0), times = [];
-      if (dt > 1) {
-        while (time < t1) {
-          if (!(number(time) % dt)) times.push(new Date(+time));
-          step(time, 1);
-        }
-      } else {
-        while (time < t1) times.push(new Date(+time)), step(time, 1);
-      }
-      return times;
-    }
-    function range_utc(t0, t1, dt) {
-      try {
-        d3_date = d3_date_utc;
-        var utc = new d3_date_utc();
-        utc._ = t0;
-        return range(utc, t1, dt);
-      } finally {
-        d3_date = Date;
-      }
-    }
-    local.floor = local;
-    local.round = round;
-    local.ceil = ceil;
-    local.offset = offset;
-    local.range = range;
-    var utc = local.utc = d3_time_interval_utc(local);
-    utc.floor = utc;
-    utc.round = d3_time_interval_utc(round);
-    utc.ceil = d3_time_interval_utc(ceil);
-    utc.offset = d3_time_interval_utc(offset);
-    utc.range = range_utc;
-    return local;
-  }
-  function d3_time_interval_utc(method) {
-    return function(date, k) {
-      try {
-        d3_date = d3_date_utc;
-        var utc = new d3_date_utc();
-        utc._ = date;
-        return method(utc, k)._;
-      } finally {
-        d3_date = Date;
-      }
-    };
-  }
-  d3_time.year = d3_time_interval(function(date) {
-    date = d3_time.day(date);
-    date.setMonth(0, 1);
-    return date;
-  }, function(date, offset) {
-    date.setFullYear(date.getFullYear() + offset);
-  }, function(date) {
-    return date.getFullYear();
-  });
-  d3_time.years = d3_time.year.range;
-  d3_time.years.utc = d3_time.year.utc.range;
-  d3_time.day = d3_time_interval(function(date) {
-    var day = new d3_date(2e3, 0);
-    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
-    return day;
-  }, function(date, offset) {
-    date.setDate(date.getDate() + offset);
-  }, function(date) {
-    return date.getDate() - 1;
-  });
-  d3_time.days = d3_time.day.range;
-  d3_time.days.utc = d3_time.day.utc.range;
-  d3_time.dayOfYear = function(date) {
-    var year = d3_time.year(date);
-    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
-  };
-  [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
-    i = 7 - i;
-    var interval = d3_time[day] = d3_time_interval(function(date) {
-      (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
-      return date;
-    }, function(date, offset) {
-      date.setDate(date.getDate() + Math.floor(offset) * 7);
-    }, function(date) {
-      var day = d3_time.year(date).getDay();
-      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
-    });
-    d3_time[day + "s"] = interval.range;
-    d3_time[day + "s"].utc = interval.utc.range;
-    d3_time[day + "OfYear"] = function(date) {
-      var day = d3_time.year(date).getDay();
-      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
-    };
-  });
-  d3_time.week = d3_time.sunday;
-  d3_time.weeks = d3_time.sunday.range;
-  d3_time.weeks.utc = d3_time.sunday.utc.range;
-  d3_time.weekOfYear = d3_time.sundayOfYear;
-  function d3_locale_timeFormat(locale) {
-    var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
-    function d3_time_format(template) {
-      var n = template.length;
-      function format(date) {
-        var string = [], i = -1, j = 0, c, p, f;
-        while (++i < n) {
-          if (template.charCodeAt(i) === 37) {
-            string.push(template.slice(j, i));
-            if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
-            if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
-            string.push(c);
-            j = i + 1;
-          }
-        }
-        string.push(template.slice(j, i));
-        return string.join("");
-      }
-      format.parse = function(string) {
-        var d = {
-          y: 1900,
-          m: 0,
-          d: 1,
-          H: 0,
-          M: 0,
-          S: 0,
-          L: 0,
-          Z: null
-        }, i = d3_time_parse(d, template, string, 0);
-        if (i != string.length) return null;
-        if ("p" in d) d.H = d.H % 12 + d.p * 12;
-        var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
-        if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) {
-          date.setFullYear(d.y, 0, 1);
-          date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
-        } else date.setFullYear(d.y, d.m, d.d);
-        date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
-        return localZ ? date._ : date;
-      };
-      format.toString = function() {
-        return template;
-      };
-      return format;
-    }
-    function d3_time_parse(date, template, string, j) {
-      var c, p, t, i = 0, n = template.length, m = string.length;
-      while (i < n) {
-        if (j >= m) return -1;
-        c = template.charCodeAt(i++);
-        if (c === 37) {
-          t = template.charAt(i++);
-          p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
-          if (!p || (j = p(date, string, j)) < 0) return -1;
-        } else if (c != string.charCodeAt(j++)) {
-          return -1;
-        }
-      }
-      return j;
-    }
-    d3_time_format.utc = function(template) {
-      var local = d3_time_format(template);
-      function format(date) {
-        try {
-          d3_date = d3_date_utc;
-          var utc = new d3_date();
-          utc._ = date;
-          return local(utc);
-        } finally {
-          d3_date = Date;
-        }
-      }
-      format.parse = function(string) {
-        try {
-          d3_date = d3_date_utc;
-          var date = local.parse(string);
-          return date && date._;
-        } finally {
-          d3_date = Date;
-        }
-      };
-      format.toString = local.toString;
-      return format;
-    };
-    d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
-    var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
-    locale_periods.forEach(function(p, i) {
-      d3_time_periodLookup.set(p.toLowerCase(), i);
-    });
-    var d3_time_formats = {
-      a: function(d) {
-        return locale_shortDays[d.getDay()];
-      },
-      A: function(d) {
-        return locale_days[d.getDay()];
-      },
-      b: function(d) {
-        return locale_shortMonths[d.getMonth()];
-      },
-      B: function(d) {
-        return locale_months[d.getMonth()];
-      },
-      c: d3_time_format(locale_dateTime),
-      d: function(d, p) {
-        return d3_time_formatPad(d.getDate(), p, 2);
-      },
-      e: function(d, p) {
-        return d3_time_formatPad(d.getDate(), p, 2);
-      },
-      H: function(d, p) {
-        return d3_time_formatPad(d.getHours(), p, 2);
-      },
-      I: function(d, p) {
-        return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
-      },
-      j: function(d, p) {
-        return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
-      },
-      L: function(d, p) {
-        return d3_time_formatPad(d.getMilliseconds(), p, 3);
-      },
-      m: function(d, p) {
-        return d3_time_formatPad(d.getMonth() + 1, p, 2);
-      },
-      M: function(d, p) {
-        return d3_time_formatPad(d.getMinutes(), p, 2);
-      },
-      p: function(d) {
-        return locale_periods[+(d.getHours() >= 12)];
-      },
-      S: function(d, p) {
-        return d3_time_formatPad(d.getSeconds(), p, 2);
-      },
-      U: function(d, p) {
-        return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
-      },
-      w: function(d) {
-        return d.getDay();
-      },
-      W: function(d, p) {
-        return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
-      },
-      x: d3_time_format(locale_date),
-      X: d3_time_format(locale_time),
-      y: function(d, p) {
-        return d3_time_formatPad(d.getFullYear() % 100, p, 2);
-      },
-      Y: function(d, p) {
-        return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
-      },
-      Z: d3_time_zone,
-      "%": function() {
-        return "%";
-      }
-    };
-    var d3_time_parsers = {
-      a: d3_time_parseWeekdayAbbrev,
-      A: d3_time_parseWeekday,
-      b: d3_time_parseMonthAbbrev,
-      B: d3_time_parseMonth,
-      c: d3_time_parseLocaleFull,
-      d: d3_time_parseDay,
-      e: d3_time_parseDay,
-      H: d3_time_parseHour24,
-      I: d3_time_parseHour24,
-      j: d3_time_parseDayOfYear,
-      L: d3_time_parseMilliseconds,
-      m: d3_time_parseMonthNumber,
-      M: d3_time_parseMinutes,
-      p: d3_time_parseAmPm,
-      S: d3_time_parseSeconds,
-      U: d3_time_parseWeekNumberSunday,
-      w: d3_time_parseWeekdayNumber,
-      W: d3_time_parseWeekNumberMonday,
-      x: d3_time_parseLocaleDate,
-      X: d3_time_parseLocaleTime,
-      y: d3_time_parseYear,
-      Y: d3_time_parseFullYear,
-      Z: d3_time_parseZone,
-      "%": d3_time_parseLiteralPercent
-    };
-    function d3_time_parseWeekdayAbbrev(date, string, i) {
-      d3_time_dayAbbrevRe.lastIndex = 0;
-      var n = d3_time_dayAbbrevRe.exec(string.slice(i));
-      return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
-    }
-    function d3_time_parseWeekday(date, string, i) {
-      d3_time_dayRe.lastIndex = 0;
-      var n = d3_time_dayRe.exec(string.slice(i));
-      return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
-    }
-    function d3_time_parseMonthAbbrev(date, string, i) {
-      d3_time_monthAbbrevRe.lastIndex = 0;
-      var n = d3_time_monthAbbrevRe.exec(string.slice(i));
-      return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
-    }
-    function d3_time_parseMonth(date, string, i) {
-      d3_time_monthRe.lastIndex = 0;
-      var n = d3_time_monthRe.exec(string.slice(i));
-      return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
-    }
-    function d3_time_parseLocaleFull(date, string, i) {
-      return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
-    }
-    function d3_time_parseLocaleDate(date, string, i) {
-      return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
-    }
-    function d3_time_parseLocaleTime(date, string, i) {
-      return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
-    }
-    function d3_time_parseAmPm(date, string, i) {
-      var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
-      return n == null ? -1 : (date.p = n, i);
-    }
-    return d3_time_format;
-  }
-  var d3_time_formatPads = {
-    "-": "",
-    _: " ",
-    "0": "0"
-  }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
-  function d3_time_formatPad(value, fill, width) {
-    var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
-    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
-  }
-  function d3_time_formatRe(names) {
-    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
-  }
-  function d3_time_formatLookup(names) {
-    var map = new d3_Map(), i = -1, n = names.length;
-    while (++i < n) map.set(names[i].toLowerCase(), i);
-    return map;
-  }
-  function d3_time_parseWeekdayNumber(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 1));
-    return n ? (date.w = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseWeekNumberSunday(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i));
-    return n ? (date.U = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseWeekNumberMonday(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i));
-    return n ? (date.W = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseFullYear(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 4));
-    return n ? (date.y = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseYear(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
-  }
-  function d3_time_parseZone(date, string, i) {
-    return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, 
-    i + 5) : -1;
-  }
-  function d3_time_expandYear(d) {
-    return d + (d > 68 ? 1900 : 2e3);
-  }
-  function d3_time_parseMonthNumber(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
-  }
-  function d3_time_parseDay(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.d = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseDayOfYear(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
-    return n ? (date.j = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseHour24(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.H = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseMinutes(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.M = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseSeconds(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
-    return n ? (date.S = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_parseMilliseconds(date, string, i) {
-    d3_time_numberRe.lastIndex = 0;
-    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
-    return n ? (date.L = +n[0], i + n[0].length) : -1;
-  }
-  function d3_time_zone(d) {
-    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
-    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
-  }
-  function d3_time_parseLiteralPercent(date, string, i) {
-    d3_time_percentRe.lastIndex = 0;
-    var n = d3_time_percentRe.exec(string.slice(i, i + 1));
-    return n ? i + n[0].length : -1;
-  }
-  function d3_time_formatMulti(formats) {
-    var n = formats.length, i = -1;
-    while (++i < n) formats[i][0] = this(formats[i][0]);
-    return function(date) {
-      var i = 0, f = formats[i];
-      while (!f[1](date)) f = formats[++i];
-      return f[0](date);
-    };
-  }
-  d3.locale = function(locale) {
-    return {
-      numberFormat: d3_locale_numberFormat(locale),
-      timeFormat: d3_locale_timeFormat(locale)
-    };
-  };
-  var d3_locale_enUS = d3.locale({
-    decimal: ".",
-    thousands: ",",
-    grouping: [ 3 ],
-    currency: [ "$", "" ],
-    dateTime: "%a %b %e %X %Y",
-    date: "%m/%d/%Y",
-    time: "%H:%M:%S",
-    periods: [ "AM", "PM" ],
-    days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
-    shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
-    months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
-    shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
-  });
-  d3.format = d3_locale_enUS.numberFormat;
-  d3.geo = {};
-  function d3_adder() {}
-  d3_adder.prototype = {
-    s: 0,
-    t: 0,
-    add: function(y) {
-      d3_adderSum(y, this.t, d3_adderTemp);
-      d3_adderSum(d3_adderTemp.s, this.s, this);
-      if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
-    },
-    reset: function() {
-      this.s = this.t = 0;
-    },
-    valueOf: function() {
-      return this.s;
-    }
-  };
-  var d3_adderTemp = new d3_adder();
-  function d3_adderSum(a, b, o) {
-    var x = o.s = a + b, bv = x - a, av = x - bv;
-    o.t = a - av + (b - bv);
-  }
-  d3.geo.stream = function(object, listener) {
-    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
-      d3_geo_streamObjectType[object.type](object, listener);
-    } else {
-      d3_geo_streamGeometry(object, listener);
-    }
-  };
-  function d3_geo_streamGeometry(geometry, listener) {
-    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
-      d3_geo_streamGeometryType[geometry.type](geometry, listener);
-    }
-  }
-  var d3_geo_streamObjectType = {
-    Feature: function(feature, listener) {
-      d3_geo_streamGeometry(feature.geometry, listener);
-    },
-    FeatureCollection: function(object, listener) {
-      var features = object.features, i = -1, n = features.length;
-      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
-    }
-  };
-  var d3_geo_streamGeometryType = {
-    Sphere: function(object, listener) {
-      listener.sphere();
-    },
-    Point: function(object, listener) {
-      object = object.coordinates;
-      listener.point(object[0], object[1], object[2]);
-    },
-    MultiPoint: function(object, listener) {
-      var coordinates = object.coordinates, i = -1, n = coordinates.length;
-      while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
-    },
-    LineString: function(object, listener) {
-      d3_geo_streamLine(object.coordinates, listener, 0);
-    },
-    MultiLineString: function(object, listener) {
-      var coordinates = object.coordinates, i = -1, n = coordinates.length;
-      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
-    },
-    Polygon: function(object, listener) {
-      d3_geo_streamPolygon(object.coordinates, listener);
-    },
-    MultiPolygon: function(object, listener) {
-      var coordinates = object.coordinates, i = -1, n = coordinates.length;
-      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
-    },
-    GeometryCollection: function(object, listener) {
-      var geometries = object.geometries, i = -1, n = geometries.length;
-      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
-    }
-  };
-  function d3_geo_streamLine(coordinates, listener, closed) {
-    var i = -1, n = coordinates.length - closed, coordinate;
-    listener.lineStart();
-    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
-    listener.lineEnd();
-  }
-  function d3_geo_streamPolygon(coordinates, listener) {
-    var i = -1, n = coordinates.length;
-    listener.polygonStart();
-    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
-    listener.polygonEnd();
-  }
-  d3.geo.area = function(object) {
-    d3_geo_areaSum = 0;
-    d3.geo.stream(object, d3_geo_area);
-    return d3_geo_areaSum;
-  };
-  var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
-  var d3_geo_area = {
-    sphere: function() {
-      d3_geo_areaSum += 4 * π;
-    },
-    point: d3_noop,
-    lineStart: d3_noop,
-    lineEnd: d3_noop,
-    polygonStart: function() {
-      d3_geo_areaRingSum.reset();
-      d3_geo_area.lineStart = d3_geo_areaRingStart;
-    },
-    polygonEnd: function() {
-      var area = 2 * d3_geo_areaRingSum;
-      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
-      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
-    }
-  };
-  function d3_geo_areaRingStart() {
-    var λ00, φ00, λ0, cosφ0, sinφ0;
-    d3_geo_area.point = function(λ, φ) {
-      d3_geo_area.point = nextPoint;
-      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
-      sinφ0 = Math.sin(φ);
-    };
-    function nextPoint(λ, φ) {
-      λ *= d3_radians;
-      φ = φ * d3_radians / 2 + π / 4;
-      var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
-      d3_geo_areaRingSum.add(Math.atan2(v, u));
-      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
-    }
-    d3_geo_area.lineEnd = function() {
-      nextPoint(λ00, φ00);
-    };
-  }
-  function d3_geo_cartesian(spherical) {
-    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
-    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
-  }
-  function d3_geo_cartesianDot(a, b) {
-    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
-  }
-  function d3_geo_cartesianCross(a, b) {
-    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
-  }
-  function d3_geo_cartesianAdd(a, b) {
-    a[0] += b[0];
-    a[1] += b[1];
-    a[2] += b[2];
-  }
-  function d3_geo_cartesianScale(vector, k) {
-    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
-  }
-  function d3_geo_cartesianNormalize(d) {
-    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
-    d[0] /= l;
-    d[1] /= l;
-    d[2] /= l;
-  }
-  function d3_geo_spherical(cartesian) {
-    return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
-  }
-  function d3_geo_sphericalEqual(a, b) {
-    return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
-  }
-  d3.geo.bounds = function() {
-    var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
-    var bound = {
-      point: point,
-      lineStart: lineStart,
-      lineEnd: lineEnd,
-      polygonStart: function() {
-        bound.point = ringPoint;
-        bound.lineStart = ringStart;
-        bound.lineEnd = ringEnd;
-        dλSum = 0;
-        d3_geo_area.polygonStart();
-      },
-      polygonEnd: function() {
-        d3_geo_area.polygonEnd();
-        bound.point = point;
-        bound.lineStart = lineStart;
-        bound.lineEnd = lineEnd;
-        if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
-        range[0] = λ0, range[1] = λ1;
-      }
-    };
-    function point(λ, φ) {
-      ranges.push(range = [ λ0 = λ, λ1 = λ ]);
-      if (φ < φ0) φ0 = φ;
-      if (φ > φ1) φ1 = φ;
-    }
-    function linePoint(λ, φ) {
-      var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
-      if (p0) {
-        var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
-        d3_geo_cartesianNormalize(inflection);
-        inflection = d3_geo_spherical(inflection);
-        var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
-        if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
-          var φi = inflection[1] * d3_degrees;
-          if (φi > φ1) φ1 = φi;
-        } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
-          var φi = -inflection[1] * d3_degrees;
-          if (φi < φ0) φ0 = φi;
-        } else {
-          if (φ < φ0) φ0 = φ;
-          if (φ > φ1) φ1 = φ;
-        }
-        if (antimeridian) {
-          if (λ < λ_) {
-            if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
-          } else {
-            if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
-          }
-        } else {
-          if (λ1 >= λ0) {
-            if (λ < λ0) λ0 = λ;
-            if (λ > λ1) λ1 = λ;
-          } else {
-            if (λ > λ_) {
-              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
-            } else {
-              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
-            }
-          }
-        }
-      } else {
-        point(λ, φ);
-      }
-      p0 = p, λ_ = λ;
-    }
-    function lineStart() {
-      bound.point = linePoint;
-    }
-    function lineEnd() {
-      range[0] = λ0, range[1] = λ1;
-      bound.point = point;
-      p0 = null;
-    }
-    function ringPoint(λ, φ) {
-      if (p0) {
-        var dλ = λ - λ_;
-        dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
-      } else λ__ = λ, φ__ = φ;
-      d3_geo_area.point(λ, φ);
-      linePoint(λ, φ);
-    }
-    function ringStart() {
-      d3_geo_area.lineStart();
-    }
-    function ringEnd() {
-      ringPoint(λ__, φ__);
-      d3_geo_area.lineEnd();
-      if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
-      range[0] = λ0, range[1] = λ1;
-      p0 = null;
-    }
-    function angle(λ0, λ1) {
-      return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
-    }
-    function compareRanges(a, b) {
-      return a[0] - b[0];
-    }
-    function withinRange(x, range) {
-      return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
-    }
-    return function(feature) {
-      φ1 = λ1 = -(λ0 = φ0 = Infinity);
-      ranges = [];
-      d3.geo.stream(feature, bound);
-      var n = ranges.length;
-      if (n) {
-        ranges.sort(compareRanges);
-        for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
-          b = ranges[i];
-          if (withinRange(b[0], a) || withinRange(b[1], a)) {
-            if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
-            if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
-          } else {
-            merged.push(a = b);
-          }
-        }
-        var best = -Infinity, dλ;
-        for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
-          b = merged[i];
-          if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
-        }
-      }
-      ranges = range = null;
-      return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
-    };
-  }();
-  d3.geo.centroid = function(object) {
-    d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
-    d3.geo.stream(object, d3_geo_centroid);
-    var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
-    if (m < ε2) {
-      x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
-      if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
-      m = x * x + y * y + z * z;
-      if (m < ε2) return [ NaN, NaN ];
-    }
-    return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
-  };
-  var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
-  var d3_geo_centroid = {
-    sphere: d3_noop,
-    point: d3_geo_centroidPoint,
-    lineStart: d3_geo_centroidLineStart,
-    lineEnd: d3_geo_centroidLineEnd,
-    polygonStart: function() {
-      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
-    },
-    polygonEnd: function() {
-      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
-    }
-  };
-  function d3_geo_centroidPoint(λ, φ) {
-    λ *= d3_radians;
-    var cosφ = Math.cos(φ *= d3_radians);
-    d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
-  }
-  function d3_geo_centroidPointXYZ(x, y, z) {
-    ++d3_geo_centroidW0;
-    d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
-    d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
-    d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
-  }
-  function d3_geo_centroidLineStart() {
-    var x0, y0, z0;
-    d3_geo_centroid.point = function(λ, φ) {
-      λ *= d3_radians;
-      var cosφ = Math.cos(φ *= d3_radians);
-      x0 = cosφ * Math.cos(λ);
-      y0 = cosφ * Math.sin(λ);
-      z0 = Math.sin(φ);
-      d3_geo_centroid.point = nextPoint;
-      d3_geo_centroidPointXYZ(x0, y0, z0);
-    };
-    function nextPoint(λ, φ) {
-      λ *= d3_radians;
-      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
-      d3_geo_centroidW1 += w;
-      d3_geo_centroidX1 += w * (x0 + (x0 = x));
-      d3_geo_centroidY1 += w * (y0 + (y0 = y));
-      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
-      d3_geo_centroidPointXYZ(x0, y0, z0);
-    }
-  }
-  function d3_geo_centroidLineEnd() {
-    d3_geo_centroid.point = d3_geo_centroidPoint;
-  }
-  function d3_geo_centroidRingStart() {
-    var λ00, φ00, x0, y0, z0;
-    d3_geo_centroid.point = function(λ, φ) {
-      λ00 = λ, φ00 = φ;
-      d3_geo_centroid.point = nextPoint;
-      λ *= d3_radians;
-      var cosφ = Math.cos(φ *= d3_radians);
-      x0 = cosφ * Math.cos(λ);
-      y0 = cosφ * Math.sin(λ);
-      z0 = Math.sin(φ);
-      d3_geo_centroidPointXYZ(x0, y0, z0);
-    };
-    d3_geo_centroid.lineEnd = function() {
-      nextPoint(λ00, φ00);
-      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
-      d3_geo_centroid.point = d3_geo_centroidPoint;
-    };
-    function nextPoint(λ, φ) {
-      λ *= d3_radians;
-      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
-      d3_geo_centroidX2 += v * cx;
-      d3_geo_centroidY2 += v * cy;
-      d3_geo_centroidZ2 += v * cz;
-      d3_geo_centroidW1 += w;
-      d3_geo_centroidX1 += w * (x0 + (x0 = x));
-      d3_geo_centroidY1 += w * (y0 + (y0 = y));
-      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
-      d3_geo_centroidPointXYZ(x0, y0, z0);
-    }
-  }
-  function d3_geo_compose(a, b) {
-    function compose(x, y) {
-      return x = a(x, y), b(x[0], x[1]);
-    }
-    if (a.invert && b.invert) compose.invert = function(x, y) {
-      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
-    };
-    return compose;
-  }
-  function d3_true() {
-    return true;
-  }
-  function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
-    var subject = [], clip = [];
-    segments.forEach(function(segment) {
-      if ((n = segment.length - 1) <= 0) return;
-      var n, p0 = segment[0], p1 = segment[n];
-      if (d3_geo_sphericalEqual(p0, p1)) {
-        listener.lineStart();
-        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
-        listener.lineEnd();
-        return;
-      }
-      var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
-      a.o = b;
-      subject.push(a);
-      clip.push(b);
-      a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
-      b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
-      a.o = b;
-      subject.push(a);
-      clip.push(b);
-    });
-    clip.sort(compare);
-    d3_geo_clipPolygonLinkCircular(subject);
-    d3_geo_clipPolygonLinkCircular(clip);
-    if (!subject.length) return;
-    for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
-      clip[i].e = entry = !entry;
-    }
-    var start = subject[0], points, point;
-    while (1) {
-      var current = start, isSubject = true;
-      while (current.v) if ((current = current.n) === start) return;
-      points = current.z;
-      listener.lineStart();
-      do {
-        current.v = current.o.v = true;
-        if (current.e) {
-          if (isSubject) {
-            for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
-          } else {
-            interpolate(current.x, current.n.x, 1, listener);
-          }
-          current = current.n;
-        } else {
-          if (isSubject) {
-            points = current.p.z;
-            for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
-          } else {
-            interpolate(current.x, current.p.x, -1, listener);
-          }
-          current = current.p;
-        }
-        current = current.o;
-        points = current.z;
-        isSubject = !isSubject;
-      } while (!current.v);
-      listener.lineEnd();
-    }
-  }
-  function d3_geo_clipPolygonLinkCircular(array) {
-    if (!(n = array.length)) return;
-    var n, i = 0, a = array[0], b;
-    while (++i < n) {
-      a.n = b = array[i];
-      b.p = a;
-      a = b;
-    }
-    a.n = b = array[0];
-    b.p = a;
-  }
-  function d3_geo_clipPolygonIntersection(point, points, other, entry) {
-    this.x = point;
-    this.z = points;
-    this.o = other;
-    this.e = entry;
-    this.v = false;
-    this.n = this.p = null;
-  }
-  function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
-    return function(rotate, listener) {
-      var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
-      var clip = {
-        point: point,
-        lineStart: lineStart,
-        lineEnd: lineEnd,
-        polygonStart: function() {
-          clip.point = pointRing;
-          clip.lineStart = ringStart;
-          clip.lineEnd = ringEnd;
-          segments = [];
-          polygon = [];
-        },
-        polygonEnd: function() {
-          clip.point = point;
-          clip.lineStart = lineStart;
-          clip.lineEnd = lineEnd;
-          segments = d3.merge(segments);
-          var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
-          if (segments.length) {
-            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
-            d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
-          } else if (clipStartInside) {
-            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
-            listener.lineStart();
-            interpolate(null, null, 1, listener);
-            listener.lineEnd();
-          }
-          if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
-          segments = polygon = null;
-        },
-        sphere: function() {
-          listener.polygonStart();
-          listener.lineStart();
-          interpolate(null, null, 1, listener);
-          listener.lineEnd();
-          listener.polygonEnd();
-        }
-      };
-      function point(λ, φ) {
-        var point = rotate(λ, φ);
-        if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
-      }
-      function pointLine(λ, φ) {
-        var point = rotate(λ, φ);
-        line.point(point[0], point[1]);
-      }
-      function lineStart() {
-        clip.point = pointLine;
-        line.lineStart();
-      }
-      function lineEnd() {
-        clip.point = point;
-        line.lineEnd();
-      }
-      var segments;
-      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
-      function pointRing(λ, φ) {
-        ring.push([ λ, φ ]);
-        var point = rotate(λ, φ);
-        ringListener.point(point[0], point[1]);
-      }
-      function ringStart() {
-        ringListener.lineStart();
-        ring = [];
-      }
-      function ringEnd() {
-        pointRing(ring[0][0], ring[0][1]);
-        ringListener.lineEnd();
-        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
-        ring.pop();
-        polygon.push(ring);
-        ring = null;
-        if (!n) return;
-        if (clean & 1) {
-          segment = ringSegments[0];
-          var n = segment.length - 1, i = -1, point;
-          if (n > 0) {
-            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
-            listener.lineStart();
-            while (++i < n) listener.point((point = segment[i])[0], point[1]);
-            listener.lineEnd();
-          }
-          return;
-        }
-        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
-        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
-      }
-      return clip;
-    };
-  }
-  function d3_geo_clipSegmentLength1(segment) {
-    return segment.length > 1;
-  }
-  function d3_geo_clipBufferListener() {
-    var lines = [], line;
-    return {
-      lineStart: function() {
-        lines.push(line = []);
-      },
-      point: function(λ, φ) {
-        line.push([ λ, φ ]);
-      },
-      lineEnd: d3_noop,
-      buffer: function() {
-        var buffer = lines;
-        lines = [];
-        line = null;
-        return buffer;
-      },
-      rejoin: function() {
-        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
-      }
-    };
-  }
-  function d3_geo_clipSort(a, b) {
-    return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
-  }
-  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
-  function d3_geo_clipAntimeridianLine(listener) {
-    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
-    return {
-      lineStart: function() {
-        listener.lineStart();
-        clean = 1;
-      },
-      point: function(λ1, φ1) {
-        var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
-        if (abs(dλ - π) < ε) {
-          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
-          listener.point(sλ0, φ0);
-          listener.lineEnd();
-          listener.lineStart();
-          listener.point(sλ1, φ0);
-          listener.point(λ1, φ0);
-          clean = 0;
-        } else if (sλ0 !== sλ1 && dλ >= π) {
-          if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
-          if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
-          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
-          listener.point(sλ0, φ0);
-          listener.lineEnd();
-          listener.lineStart();
-          listener.point(sλ1, φ0);
-          clean = 0;
-        }
-        listener.point(λ0 = λ1, φ0 = φ1);
-        sλ0 = sλ1;
-      },
-      lineEnd: function() {
-        listener.lineEnd();
-        λ0 = φ0 = NaN;
-      },
-      clean: function() {
-        return 2 - clean;
-      }
-    };
-  }
-  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
-    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
-    return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
-  }
-  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
-    var φ;
-    if (from == null) {
-      φ = direction * halfπ;
-      listener.point(-π, φ);
-      listener.point(0, φ);
-      listener.point(π, φ);
-      listener.point(π, 0);
-      listener.point(π, -φ);
-      listener.point(0, -φ);
-      listener.point(-π, -φ);
-      listener.point(-π, 0);
-      listener.point(-π, φ);
-    } else if (abs(from[0] - to[0]) > ε) {
-      var s = from[0] < to[0] ? π : -π;
-      φ = direction * s / 2;
-      listener.point(-s, φ);
-      listener.point(0, φ);
-      listener.point(s, φ);
-    } else {
-      listener.point(to[0], to[1]);
-    }
-  }
-  function d3_geo_pointInPolygon(point, polygon) {
-    var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
-    d3_geo_areaRingSum.reset();
-    for (var i = 0, n = polygon.length; i < n; ++i) {
-      var ring = polygon[i], m = ring.length;
-      if (!m) continue;
-      var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
-      while (true) {
-        if (j === m) j = 0;
-        point = ring[j];
-        var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
-        d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
-        polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
-        if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
-          var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
-          d3_geo_cartesianNormalize(arc);
-          var intersection = d3_geo_cartesianCross(meridianNormal, arc);
-          d3_geo_cartesianNormalize(intersection);
-          var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
-          if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
-            winding += antimeridian ^ dλ >= 0 ? 1 : -1;
-          }
-        }
-        if (!j++) break;
-        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
-      }
-    }
-    return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1;
-  }
-  function d3_geo_clipCircle(radius) {
-    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
-    return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
-    function visible(λ, φ) {
-      return Math.cos(λ) * Math.cos(φ) > cr;
-    }
-    function clipLine(listener) {
-      var point0, c0, v0, v00, clean;
-      return {
-        lineStart: function() {
-          v00 = v0 = false;
-          clean = 1;
-        },
-        point: function(λ, φ) {
-          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
-          if (!point0 && (v00 = v0 = v)) listener.lineStart();
-          if (v !== v0) {
-            point2 = intersect(point0, point1);
-            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
-              point1[0] += ε;
-              point1[1] += ε;
-              v = visible(point1[0], point1[1]);
-            }
-          }
-          if (v !== v0) {
-            clean = 0;
-            if (v) {
-              listener.lineStart();
-              point2 = intersect(point1, point0);
-              listener.point(point2[0], point2[1]);
-            } else {
-              point2 = intersect(point0, point1);
-              listener.point(point2[0], point2[1]);
-              listener.lineEnd();
-            }
-            point0 = point2;
-          } else if (notHemisphere && point0 && smallRadius ^ v) {
-            var t;
-            if (!(c & c0) && (t = intersect(point1, point0, true))) {
-              clean = 0;
-              if (smallRadius) {
-                listener.lineStart();
-                listener.point(t[0][0], t[0][1]);
-                listener.point(t[1][0], t[1][1]);
-                listener.lineEnd();
-              } else {
-                listener.point(t[1][0], t[1][1]);
-                listener.lineEnd();
-                listener.lineStart();
-                listener.point(t[0][0], t[0][1]);
-              }
-            }
-          }
-          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
-            listener.point(point1[0], point1[1]);
-          }
-          point0 = point1, v0 = v, c0 = c;
-        },
-        lineEnd: function() {
-          if (v0) listener.lineEnd();
-          point0 = null;
-        },
-        clean: function() {
-          return clean | (v00 && v0) << 1;
-        }
-      };
-    }
-    function intersect(a, b, two) {
-      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
-      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
-      if (!determinant) return !two && a;
-      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
-      d3_geo_cartesianAdd(A, B);
-      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
-      if (t2 < 0) return;
-      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
-      d3_geo_cartesianAdd(q, A);
-      q = d3_geo_spherical(q);
-      if (!two) return q;
-      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
-      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
-      var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
-      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
-      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
-        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
-        d3_geo_cartesianAdd(q1, A);
-        return [ q, d3_geo_spherical(q1) ];
-      }
-    }
-    function code(λ, φ) {
-      var r = smallRadius ? radius : π - radius, code = 0;
-      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
-      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
-      return code;
-    }
-  }
-  function d3_geom_clipLine(x0, y0, x1, y1) {
-    return function(line) {
-      var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
-      r = x0 - ax;
-      if (!dx && r > 0) return;
-      r /= dx;
-      if (dx < 0) {
-        if (r < t0) return;
-        if (r < t1) t1 = r;
-      } else if (dx > 0) {
-        if (r > t1) return;
-        if (r > t0) t0 = r;
-      }
-      r = x1 - ax;
-      if (!dx && r < 0) return;
-      r /= dx;
-      if (dx < 0) {
-        if (r > t1) return;
-        if (r > t0) t0 = r;
-      } else if (dx > 0) {
-        if (r < t0) return;
-        if (r < t1) t1 = r;
-      }
-      r = y0 - ay;
-      if (!dy && r > 0) return;
-      r /= dy;
-      if (dy < 0) {
-        if (r < t0) return;
-        if (r < t1) t1 = r;
-      } else if (dy > 0) {
-        if (r > t1) return;
-        if (r > t0) t0 = r;
-      }
-      r = y1 - ay;
-      if (!dy && r < 0) return;
-      r /= dy;
-      if (dy < 0) {
-        if (r > t1) return;
-        if (r > t0) t0 = r;
-      } else if (dy > 0) {
-        if (r < t0) return;
-        if (r < t1) t1 = r;
-      }
-      if (t0 > 0) line.a = {
-        x: ax + t0 * dx,
-        y: ay + t0 * dy
-      };
-      if (t1 < 1) line.b = {
-        x: ax + t1 * dx,
-        y: ay + t1 * dy
-      };
-      return line;
-    };
-  }
-  var d3_geo_clipExtentMAX = 1e9;
-  d3.geo.clipExtent = function() {
-    var x0, y0, x1, y1, stream, clip, clipExtent = {
-      stream: function(output) {
-        if (stream) stream.valid = false;
-        stream = clip(output);
-        stream.valid = true;
-        return stream;
-      },
-      extent: function(_) {
-        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
-        clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
-        if (stream) stream.valid = false, stream = null;
-        return clipExtent;
-      }
-    };
-    return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
-  };
-  function d3_geo_clipExtent(x0, y0, x1, y1) {
-    return function(listener) {
-      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
-      var clip = {
-        point: point,
-        lineStart: lineStart,
-        lineEnd: lineEnd,
-        polygonStart: function() {
-          listener = bufferListener;
-          segments = [];
-          polygon = [];
-          clean = true;
-        },
-        polygonEnd: function() {
-          listener = listener_;
-          segments = d3.merge(segments);
-          var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
-          if (inside || visible) {
-            listener.polygonStart();
-            if (inside) {
-              listener.lineStart();
-              interpolate(null, null, 1, listener);
-              listener.lineEnd();
-            }
-            if (visible) {
-              d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
-            }
-            listener.polygonEnd();
-          }
-          segments = polygon = ring = null;
-        }
-      };
-      function insidePolygon(p) {
-        var wn = 0, n = polygon.length, y = p[1];
-        for (var i = 0; i < n; ++i) {
-          for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
-            b = v[j];
-            if (a[1] <= y) {
-              if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
-            } else {
-              if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
-            }
-            a = b;
-          }
-        }
-        return wn !== 0;
-      }
-      function interpolate(from, to, direction, listener) {
-        var a = 0, a1 = 0;
-        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
-          do {
-            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
-          } while ((a = (a + direction + 4) % 4) !== a1);
-        } else {
-          listener.point(to[0], to[1]);
-        }
-      }
-      function pointVisible(x, y) {
-        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
-      }
-      function point(x, y) {
-        if (pointVisible(x, y)) listener.point(x, y);
-      }
-      var x__, y__, v__, x_, y_, v_, first, clean;
-      function lineStart() {
-        clip.point = linePoint;
-        if (polygon) polygon.push(ring = []);
-        first = true;
-        v_ = false;
-        x_ = y_ = NaN;
-      }
-      function lineEnd() {
-        if (segments) {
-          linePoint(x__, y__);
-          if (v__ && v_) bufferListener.rejoin();
-          segments.push(bufferListener.buffer());
-        }
-        clip.point = point;
-        if (v_) listener.lineEnd();
-      }
-      function linePoint(x, y) {
-        x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
-        y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
-        var v = pointVisible(x, y);
-        if (polygon) ring.push([ x, y ]);
-        if (first) {
-          x__ = x, y__ = y, v__ = v;
-          first = false;
-          if (v) {
-            listener.lineStart();
-            listener.point(x, y);
-          }
-        } else {
-          if (v && v_) listener.point(x, y); else {
-            var l = {
-              a: {
-                x: x_,
-                y: y_
-              },
-              b: {
-                x: x,
-                y: y
-              }
-            };
-            if (clipLine(l)) {
-              if (!v_) {
-                listener.lineStart();
-                listener.point(l.a.x, l.a.y);
-              }
-              listener.point(l.b.x, l.b.y);
-              if (!v) listener.lineEnd();
-              clean = false;
-            } else if (v) {
-              listener.lineStart();
-              listener.point(x, y);
-              clean = false;
-            }
-          }
-        }
-        x_ = x, y_ = y, v_ = v;
-      }
-      return clip;
-    };
-    function corner(p, direction) {
-      return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
-    }
-    function compare(a, b) {
-      return comparePoints(a.x, b.x);
-    }
-    function comparePoints(a, b) {
-      var ca = corner(a, 1), cb = corner(b, 1);
-      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
-    }
-  }
-  function d3_geo_conic(projectAt) {
-    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
-    p.parallels = function(_) {
-      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
-      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
-    };
-    return p;
-  }
-  function d3_geo_conicEqualArea(φ0, φ1) {
-    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
-    function forward(λ, φ) {
-      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
-      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
-    }
-    forward.invert = function(x, y) {
-      var ρ0_y = ρ0 - y;
-      return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
-    };
-    return forward;
-  }
-  (d3.geo.conicEqualArea = function() {
-    return d3_geo_conic(d3_geo_conicEqualArea);
-  }).raw = d3_geo_conicEqualArea;
-  d3.geo.albers = function() {
-    return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
-  };
-  d3.geo.albersUsa = function() {
-    var lower48 = d3.geo.albers();
-    var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
-    var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
-    var point, pointStream = {
-      point: function(x, y) {
-        point = [ x, y ];
-      }
-    }, lower48Point, alaskaPoint, hawaiiPoint;
-    function albersUsa(coordinates) {
-      var x = coordinates[0], y = coordinates[1];
-      point = null;
-      (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
-      return point;
-    }
-    albersUsa.invert = function(coordinates) {
-      var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
-      return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
-    };
-    albersUsa.stream = function(stream) {
-      var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
-      return {
-        point: function(x, y) {
-          lower48Stream.point(x, y);
-          alaskaStream.point(x, y);
-          hawaiiStream.point(x, y);
-        },
-        sphere: function() {
-          lower48Stream.sphere();
-          alaskaStream.sphere();
-          hawaiiStream.sphere();
-        },
-        lineStart: function() {
-          lower48Stream.lineStart();
-          alaskaStream.lineStart();
-          hawaiiStream.lineStart();
-        },
-        lineEnd: function() {
-          lower48Stream.lineEnd();
-          alaskaStream.lineEnd();
-          hawaiiStream.lineEnd();
-        },
-        polygonStart: function() {
-          lower48Stream.polygonStart();
-          alaskaStream.polygonStart();
-          hawaiiStream.polygonStart();
-        },
-        polygonEnd: function() {
-          lower48Stream.polygonEnd();
-          alaskaStream.polygonEnd();
-          hawaiiStream.polygonEnd();
-        }
-      };
-    };
-    albersUsa.precision = function(_) {
-      if (!arguments.length) return lower48.precision();
-      lower48.precision(_);
-      alaska.precision(_);
-      hawaii.precision(_);
-      return albersUsa;
-    };
-    albersUsa.scale = function(_) {
-      if (!arguments.length) return lower48.scale();
-      lower48.scale(_);
-      alaska.scale(_ * .35);
-      hawaii.scale(_);
-      return albersUsa.translate(lower48.translate());
-    };
-    albersUsa.translate = function(_) {
-      if (!arguments.length) return lower48.translate();
-      var k = lower48.scale(), x = +_[0], y = +_[1];
-      lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
-      alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
-      hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
-      return albersUsa;
-    };
-    return albersUsa.scale(1070);
-  };
-  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
-    point: d3_noop,
-    lineStart: d3_noop,
-    lineEnd: d3_noop,
-    polygonStart: function() {
-      d3_geo_pathAreaPolygon = 0;
-      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
-    },
-    polygonEnd: function() {
-      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
-      d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
-    }
-  };
-  function d3_geo_pathAreaRingStart() {
-    var x00, y00, x0, y0;
-    d3_geo_pathArea.point = function(x, y) {
-      d3_geo_pathArea.point = nextPoint;
-      x00 = x0 = x, y00 = y0 = y;
-    };
-    function nextPoint(x, y) {
-      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
-      x0 = x, y0 = y;
-    }
-    d3_geo_pathArea.lineEnd = function() {
-      nextPoint(x00, y00);
-    };
-  }
-  var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
-  var d3_geo_pathBounds = {
-    point: d3_geo_pathBoundsPoint,
-    lineStart: d3_noop,
-    lineEnd: d3_noop,
-    polygonStart: d3_noop,
-    polygonEnd: d3_noop
-  };
-  function d3_geo_pathBoundsPoint(x, y) {
-    if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
-    if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
-    if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
-    if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
-  }
-  function d3_geo_pathBuffer() {
-    var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
-    var stream = {
-      point: point,
-      lineStart: function() {
-        stream.point = pointLineStart;
-      },
-      lineEnd: lineEnd,
-      polygonStart: function() {
-        stream.lineEnd = lineEndPolygon;
-      },
-      polygonEnd: function() {
-        stream.lineEnd = lineEnd;
-        stream.point = point;
-      },
-      pointRadius: function(_) {
-        pointCircle = d3_geo_pathBufferCircle(_);
-        return stream;
-      },
-      result: function() {
-        if (buffer.length) {
-          var result = buffer.join("");
-          buffer = [];
-          return result;
-        }
-      }
-    };
-    function point(x, y) {
-      buffer.push("M", x, ",", y, pointCircle);
-    }
-    function pointLineStart(x, y) {
-      buffer.push("M", x, ",", y);
-      stream.point = pointLine;
-    }
-    function pointLine(x, y) {
-      buffer.push("L", x, ",", y);
-    }
-    function lineEnd() {
-      stream.point = point;
-    }
-    function lineEndPolygon() {
-      buffer.push("Z");
-    }
-    return stream;
-  }
-  function d3_geo_pathBufferCircle(radius) {
-    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
-  }
-  var d3_geo_pathCentroid = {
-    point: d3_geo_pathCentroidPoint,
-    lineStart: d3_geo_pathCentroidLineStart,
-    lineEnd: d3_geo_pathCentroidLineEnd,
-    polygonStart: function() {
-      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
-    },
-    polygonEnd: function() {
-      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
-      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
-      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
-    }
-  };
-  function d3_geo_pathCentroidPoint(x, y) {
-    d3_geo_centroidX0 += x;
-    d3_geo_centroidY0 += y;
-    ++d3_geo_centroidZ0;
-  }
-  function d3_geo_pathCentroidLineStart() {
-    var x0, y0;
-    d3_geo_pathCentroid.point = function(x, y) {
-      d3_geo_pathCentroid.point = nextPoint;
-      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
-    };
-    function nextPoint(x, y) {
-      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
-      d3_geo_centroidX1 += z * (x0 + x) / 2;
-      d3_geo_centroidY1 += z * (y0 + y) / 2;
-      d3_geo_centroidZ1 += z;
-      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
-    }
-  }
-  function d3_geo_pathCentroidLineEnd() {
-    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
-  }
-  function d3_geo_pathCentroidRingStart() {
-    var x00, y00, x0, y0;
-    d3_geo_pathCentroid.point = function(x, y) {
-      d3_geo_pathCentroid.point = nextPoint;
-      d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
-    };
-    function nextPoint(x, y) {
-      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
-      d3_geo_centroidX1 += z * (x0 + x) / 2;
-      d3_geo_centroidY1 += z * (y0 + y) / 2;
-      d3_geo_centroidZ1 += z;
-      z = y0 * x - x0 * y;
-      d3_geo_centroidX2 += z * (x0 + x);
-      d3_geo_centroidY2 += z * (y0 + y);
-      d3_geo_centroidZ2 += z * 3;
-      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
-    }
-    d3_geo_pathCentroid.lineEnd = function() {
-      nextPoint(x00, y00);
-    };
-  }
-  function d3_geo_pathContext(context) {
-    var pointRadius = 4.5;
-    var stream = {
-      point: point,
-      lineStart: function() {
-        stream.point = pointLineStart;
-      },
-      lineEnd: lineEnd,
-      polygonStart: function() {
-        stream.lineEnd = lineEndPolygon;
-      },
-      polygonEnd: function() {
-        stream.lineEnd = lineEnd;
-        stream.point = point;
-      },
-      pointRadius: function(_) {
-        pointRadius = _;
-        return stream;
-      },
-      result: d3_noop
-    };
-    function point(x, y) {
-      context.moveTo(x + pointRadius, y);
-      context.arc(x, y, pointRadius, 0, τ);
-    }
-    function pointLineStart(x, y) {
-      context.moveTo(x, y);
-      stream.point = pointLine;
-    }
-    function pointLine(x, y) {
-      context.lineTo(x, y);
-    }
-    function lineEnd() {
-      stream.point = point;
-    }
-    function lineEndPolygon() {
-      context.closePath();
-    }
-    return stream;
-  }
-  function d3_geo_resample(project) {
-    var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
-    function resample(stream) {
-      return (maxDepth ? resampleRecursive : resampleNone)(stream);
-    }
-    function resampleNone(stream) {
-      return d3_geo_transformPoint(stream, function(x, y) {
-        x = project(x, y);
-        stream.point(x[0], x[1]);
-      });
-    }
-    function resampleRecursive(stream) {
-      var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
-      var resample = {
-        point: point,
-        lineStart: lineStart,
-        lineEnd: lineEnd,
-        polygonStart: function() {
-          stream.polygonStart();
-          resample.lineStart = ringStart;
-        },
-        polygonEnd: function() {
-          stream.polygonEnd();
-          resample.lineStart = lineStart;
-        }
-      };
-      function point(x, y) {
-        x = project(x, y);
-        stream.point(x[0], x[1]);
-      }
-      function lineStart() {
-        x0 = NaN;
-        resample.point = linePoint;
-        stream.lineStart();
-      }
-      function linePoint(λ, φ) {
-        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
-        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
-        stream.point(x0, y0);
-      }
-      function lineEnd() {
-        resample.point = point;
-        stream.lineEnd();
-      }
-      function ringStart() {
-        lineStart();
-        resample.point = ringPoint;
-        resample.lineEnd = ringEnd;
-      }
-      function ringPoint(λ, φ) {
-        linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
-        resample.point = linePoint;
-      }
-      function ringEnd() {
-        resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
-        resample.lineEnd = lineEnd;
-        lineEnd();
-      }
-      return resample;
-    }
-    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
-      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
-      if (d2 > 4 * δ2 && depth--) {
-        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
-        if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
-          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
-          stream.point(x2, y2);
-          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
-        }
-      }
-    }
-    resample.precision = function(_) {
-      if (!arguments.length) return Math.sqrt(δ2);
-      maxDepth = (δ2 = _ * _) > 0 && 16;
-      return resample;
-    };
-    return resample;
-  }
-  d3.geo.path = function() {
-    var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
-    function path(object) {
-      if (object) {
-        if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
-        if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
-        d3.geo.stream(object, cacheStream);
-      }
-      return contextStream.result();
-    }
-    path.area = function(object) {
-      d3_geo_pathAreaSum = 0;
-      d3.geo.stream(object, projectStream(d3_geo_pathArea));
-      return d3_geo_pathAreaSum;
-    };
-    path.centroid = function(object) {
-      d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
-      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
-      return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
-    };
-    path.bounds = function(object) {
-      d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
-      d3.geo.stream(object, projectStream(d3_geo_pathBounds));
-      return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
-    };
-    path.projection = function(_) {
-      if (!arguments.length) return projection;
-      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
-      return reset();
-    };
-    path.context = function(_) {
-      if (!arguments.length) return context;
-      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
-      if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
-      return reset();
-    };
-    path.pointRadius = function(_) {
-      if (!arguments.length) return pointRadius;
-      pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
-      return path;
-    };
-    function reset() {
-      cacheStream = null;
-      return path;
-    }
-    return path.projection(d3.geo.albersUsa()).context(null);
-  };
-  function d3_geo_pathProjectStream(project) {
-    var resample = d3_geo_resample(function(x, y) {
-      return project([ x * d3_degrees, y * d3_degrees ]);
-    });
-    return function(stream) {
-      return d3_geo_projectionRadians(resample(stream));
-    };
-  }
-  d3.geo.transform = function(methods) {
-    return {
-      stream: function(stream) {
-        var transform = new d3_geo_transform(stream);
-        for (var k in methods) transform[k] = methods[k];
-        return transform;
-      }
-    };
-  };
-  function d3_geo_transform(stream) {
-    this.stream = stream;
-  }
-  d3_geo_transform.prototype = {
-    point: function(x, y) {
-      this.stream.point(x, y);
-    },
-    sphere: function() {
-      this.stream.sphere();
-    },
-    lineStart: function() {
-      this.stream.lineStart();
-    },
-    lineEnd: function() {
-      this.stream.lineEnd();
-    },
-    polygonStart: function() {
-      this.stream.polygonStart();
-    },
-    polygonEnd: function() {
-      this.stream.polygonEnd();
-    }
-  };
-  function d3_geo_transformPoint(stream, point) {
-    return {
-      point: point,
-      sphere: function() {
-        stream.sphere();
-      },
-      lineStart: function() {
-        stream.lineStart();
-      },
-      lineEnd: function() {
-        stream.lineEnd();
-      },
-      polygonStart: function() {
-        stream.polygonStart();
-      },
-      polygonEnd: function() {
-        stream.polygonEnd();
-      }
-    };
-  }
-  d3.geo.projection = d3_geo_projection;
-  d3.geo.projectionMutator = d3_geo_projectionMutator;
-  function d3_geo_projection(project) {
-    return d3_geo_projectionMutator(function() {
-      return project;
-    })();
-  }
-  function d3_geo_projectionMutator(projectAt) {
-    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
-      x = project(x, y);
-      return [ x[0] * k + δx, δy - x[1] * k ];
-    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
-    function projection(point) {
-      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
-      return [ point[0] * k + δx, δy - point[1] * k ];
-    }
-    function invert(point) {
-      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
-      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
-    }
-    projection.stream = function(output) {
-      if (stream) stream.valid = false;
-      stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
-      stream.valid = true;
-      return stream;
-    };
-    projection.clipAngle = function(_) {
-      if (!arguments.length) return clipAngle;
-      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
-      return invalidate();
-    };
-    projection.clipExtent = function(_) {
-      if (!arguments.length) return clipExtent;
-      clipExtent = _;
-      postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
-      return invalidate();
-    };
-    projection.scale = function(_) {
-      if (!arguments.length) return k;
-      k = +_;
-      return reset();
-    };
-    projection.translate = function(_) {
-      if (!arguments.length) return [ x, y ];
-      x = +_[0];
-      y = +_[1];
-      return reset();
-    };
-    projection.center = function(_) {
-      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
-      λ = _[0] % 360 * d3_radians;
-      φ = _[1] % 360 * d3_radians;
-      return reset();
-    };
-    projection.rotate = function(_) {
-      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
-      δλ = _[0] % 360 * d3_radians;
-      δφ = _[1] % 360 * d3_radians;
-      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
-      return reset();
-    };
-    d3.rebind(projection, projectResample, "precision");
-    function reset() {
-      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
-      var center = project(λ, φ);
-      δx = x - center[0] * k;
-      δy = y + center[1] * k;
-      return invalidate();
-    }
-    function invalidate() {
-      if (stream) stream.valid = false, stream = null;
-      return projection;
-    }
-    return function() {
-      project = projectAt.apply(this, arguments);
-      projection.invert = project.invert && invert;
-      return reset();
-    };
-  }
-  function d3_geo_projectionRadians(stream) {
-    return d3_geo_transformPoint(stream, function(x, y) {
-      stream.point(x * d3_radians, y * d3_radians);
-    });
-  }
-  function d3_geo_equirectangular(λ, φ) {
-    return [ λ, φ ];
-  }
-  (d3.geo.equirectangular = function() {
-    return d3_geo_projection(d3_geo_equirectangular);
-  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
-  d3.geo.rotation = function(rotate) {
-    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
-    function forward(coordinates) {
-      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
-      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
-    }
-    forward.invert = function(coordinates) {
-      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
-      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
-    };
-    return forward;
-  };
-  function d3_geo_identityRotation(λ, φ) {
-    return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
-  }
-  d3_geo_identityRotation.invert = d3_geo_equirectangular;
-  function d3_geo_rotation(δλ, δφ, δγ) {
-    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
-  }
-  function d3_geo_forwardRotationλ(δλ) {
-    return function(λ, φ) {
-      return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
-    };
-  }
-  function d3_geo_rotationλ(δλ) {
-    var rotation = d3_geo_forwardRotationλ(δλ);
-    rotation.invert = d3_geo_forwardRotationλ(-δλ);
-    return rotation;
-  }
-  function d3_geo_rotationφγ(δφ, δγ) {
-    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
-    function rotation(λ, φ) {
-      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
-      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
-    }
-    rotation.invert = function(λ, φ) {
-      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
-      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
-    };
-    return rotation;
-  }
-  d3.geo.circle = function() {
-    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
-    function circle() {
-      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
-      interpolate(null, null, 1, {
-        point: function(x, y) {
-          ring.push(x = rotate(x, y));
-          x[0] *= d3_degrees, x[1] *= d3_degrees;
-        }
-      });
-      return {
-        type: "Polygon",
-        coordinates: [ ring ]
-      };
-    }
-    circle.origin = function(x) {
-      if (!arguments.length) return origin;
-      origin = x;
-      return circle;
-    };
-    circle.angle = function(x) {
-      if (!arguments.length) return angle;
-      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
-      return circle;
-    };
-    circle.precision = function(_) {
-      if (!arguments.length) return precision;
-      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
-      return circle;
-    };
-    return circle.angle(90);
-  };
-  function d3_geo_circleInterpolate(radius, precision) {
-    var cr = Math.cos(radius), sr = Math.sin(radius);
-    return function(from, to, direction, listener) {
-      var step = direction * precision;
-      if (from != null) {
-        from = d3_geo_circleAngle(cr, from);
-        to = d3_geo_circleAngle(cr, to);
-        if (direction > 0 ? from < to : from > to) from += direction * τ;
-      } else {
-        from = radius + direction * τ;
-        to = radius - .5 * step;
-      }
-      for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
-        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
-      }
-    };
-  }
-  function d3_geo_circleAngle(cr, point) {
-    var a = d3_geo_cartesian(point);
-    a[0] -= cr;
-    d3_geo_cartesianNormalize(a);
-    var angle = d3_acos(-a[1]);
-    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
-  }
-  d3.geo.distance = function(a, b) {
-    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
-    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
-  };
-  d3.geo.graticule = function() {
-    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
-    function graticule() {
-      return {
-        type: "MultiLineString",
-        coordinates: lines()
-      };
-    }
-    function lines() {
-      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
-        return abs(x % DX) > ε;
-      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
-        return abs(y % DY) > ε;
-      }).map(y));
-    }
-    graticule.lines = function() {
-      return lines().map(function(coordinates) {
-        return {
-          type: "LineString",
-          coordinates: coordinates
-        };
-      });
-    };
-    graticule.outline = function() {
-      return {
-        type: "Polygon",
-        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
-      };
-    };
-    graticule.extent = function(_) {
-      if (!arguments.length) return graticule.minorExtent();
-      return graticule.majorExtent(_).minorExtent(_);
-    };
-    graticule.majorExtent = function(_) {
-      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
-      X0 = +_[0][0], X1 = +_[1][0];
-      Y0 = +_[0][1], Y1 = +_[1][1];
-      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
-      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
-      return graticule.precision(precision);
-    };
-    graticule.minorExtent = function(_) {
-      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
-      x0 = +_[0][0], x1 = +_[1][0];
-      y0 = +_[0][1], y1 = +_[1][1];
-      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
-      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
-      return graticule.precision(precision);
-    };
-    graticule.step = function(_) {
-      if (!arguments.length) return graticule.minorStep();
-      return graticule.majorStep(_).minorStep(_);
-    };
-    graticule.majorStep = function(_) {
-      if (!arguments.length) return [ DX, DY ];
-      DX = +_[0], DY = +_[1];
-      return graticule;
-    };
-    graticule.minorStep = function(_) {
-      if (!arguments.length) return [ dx, dy ];
-      dx = +_[0], dy = +_[1];
-      return graticule;
-    };
-    graticule.precision = function(_) {
-      if (!arguments.length) return precision;
-      precision = +_;
-      x = d3_geo_graticuleX(y0, y1, 90);
-      y = d3_geo_graticuleY(x0, x1, precision);
-      X = d3_geo_graticuleX(Y0, Y1, 90);
-      Y = d3_geo_graticuleY(X0, X1, precision);
-      return graticule;
-    };
-    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
-  };
-  function d3_geo_graticuleX(y0, y1, dy) {
-    var y = d3.range(y0, y1 - ε, dy).concat(y1);
-    return function(x) {
-      return y.map(function(y) {
-        return [ x, y ];
-      });
-    };
-  }
-  function d3_geo_graticuleY(x0, x1, dx) {
-    var x = d3.range(x0, x1 - ε, dx).concat(x1);
-    return function(y) {
-      return x.map(function(x) {
-        return [ x, y ];
-      });
-    };
-  }
-  function d3_source(d) {
-    return d.source;
-  }
-  function d3_target(d) {
-    return d.target;
-  }
-  d3.geo.greatArc = function() {
-    var source = d3_source, source_, target = d3_target, target_;
-    function greatArc() {
-      return {
-        type: "LineString",
-        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
-      };
-    }
-    greatArc.distance = function() {
-      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
-    };
-    greatArc.source = function(_) {
-      if (!arguments.length) return source;
-      source = _, source_ = typeof _ === "function" ? null : _;
-      return greatArc;
-    };
-    greatArc.target = function(_) {
-      if (!arguments.length) return target;
-      target = _, target_ = typeof _ === "function" ? null : _;
-      return greatArc;
-    };
-    greatArc.precision = function() {
-      return arguments.length ? greatArc : 0;
-    };
-    return greatArc;
-  };
-  d3.geo.interpolate = function(source, target) {
-    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
-  };
-  function d3_geo_interpolate(x0, y0, x1, y1) {
-    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
-    var interpolate = d ? function(t) {
-      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
-      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
-    } : function() {
-      return [ x0 * d3_degrees, y0 * d3_degrees ];
-    };
-    interpolate.distance = d;
-    return interpolate;
-  }
-  d3.geo.length = function(object) {
-    d3_geo_lengthSum = 0;
-    d3.geo.stream(object, d3_geo_length);
-    return d3_geo_lengthSum;
-  };
-  var d3_geo_lengthSum;
-  var d3_geo_length = {
-    sphere: d3_noop,
-    point: d3_noop,
-    lineStart: d3_geo_lengthLineStart,
-    lineEnd: d3_noop,
-    polygonStart: d3_noop,
-    polygonEnd: d3_noop
-  };
-  function d3_geo_lengthLineStart() {
-    var λ0, sinφ0, cosφ0;
-    d3_geo_length.point = function(λ, φ) {
-      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
-      d3_geo_length.point = nextPoint;
-    };
-    d3_geo_length.lineEnd = function() {
-      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
-    };
-    function nextPoint(λ, φ) {
-      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
-      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
-      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
-    }
-  }
-  function d3_geo_azimuthal(scale, angle) {
-    function azimuthal(λ, φ) {
-      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
-      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
-    }
-    azimuthal.invert = function(x, y) {
-      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
-      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
-    };
-    return azimuthal;
-  }
-  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
-    return Math.sqrt(2 / (1 + cosλcosφ));
-  }, function(ρ) {
-    return 2 * Math.asin(ρ / 2);
-  });
-  (d3.geo.azimuthalEqualArea = function() {
-    return d3_geo_projection(d3_geo_azimuthalEqualArea);
-  }).raw = d3_geo_azimuthalEqualArea;
-  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
-    var c = Math.acos(cosλcosφ);
-    return c && c / Math.sin(c);
-  }, d3_identity);
-  (d3.geo.azimuthalEquidistant = function() {
-    return d3_geo_projection(d3_geo_azimuthalEquidistant);
-  }).raw = d3_geo_azimuthalEquidistant;
-  function d3_geo_conicConformal(φ0, φ1) {
-    var cosφ0 = Math.cos(φ0), t = function(φ) {
-      return Math.tan(π / 4 + φ / 2);
-    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
-    if (!n) return d3_geo_mercator;
-    function forward(λ, φ) {
-      if (F > 0) {
-        if (φ < -halfπ + ε) φ = -halfπ + ε;
-      } else {
-        if (φ > halfπ - ε) φ = halfπ - ε;
-      }
-      var ρ = F / Math.pow(t(φ), n);
-      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
-    }
-    forward.invert = function(x, y) {
-      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
-      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
-    };
-    return forward;
-  }
-  (d3.geo.conicConformal = function() {
-    return d3_geo_conic(d3_geo_conicConformal);
-  }).raw = d3_geo_conicConformal;
-  function d3_geo_conicEquidistant(φ0, φ1) {
-    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
-    if (abs(n) < ε) return d3_geo_equirectangular;
-    function forward(λ, φ) {
-      var ρ = G - φ;
-      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
-    }
-    forward.invert = function(x, y) {
-      var ρ0_y = G - y;
-      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
-    };
-    return forward;
-  }
-  (d3.geo.conicEquidistant = function() {
-    return d3_geo_conic(d3_geo_conicEquidistant);
-  }).raw = d3_geo_conicEquidistant;
-  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
-    return 1 / cosλcosφ;
-  }, Math.atan);
-  (d3.geo.gnomonic = function() {
-    return d3_geo_projection(d3_geo_gnomonic);
-  }).raw = d3_geo_gnomonic;
-  function d3_geo_mercator(λ, φ) {
-    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
-  }
-  d3_geo_mercator.invert = function(x, y) {
-    return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
-  };
-  function d3_geo_mercatorProjection(project) {
-    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
-    m.scale = function() {
-      var v = scale.apply(m, arguments);
-      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
-    };
-    m.translate = function() {
-      var v = translate.apply(m, arguments);
-      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
-    };
-    m.clipExtent = function(_) {
-      var v = clipExtent.apply(m, arguments);
-      if (v === m) {
-        if (clipAuto = _ == null) {
-          var k = π * scale(), t = translate();
-          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
-        }
-      } else if (clipAuto) {
-        v = null;
-      }
-      return v;
-    };
-    return m.clipExtent(null);
-  }
-  (d3.geo.mercator = function() {
-    return d3_geo_mercatorProjection(d3_geo_mercator);
-  }).raw = d3_geo_mercator;
-  var d3_geo_orthographic = d3_geo_azimuthal(function() {
-    return 1;
-  }, Math.asin);
-  (d3.geo.orthographic = function() {
-    return d3_geo_projection(d3_geo_orthographic);
-  }).raw = d3_geo_orthographic;
-  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
-    return 1 / (1 + cosλcosφ);
-  }, function(ρ) {
-    return 2 * Math.atan(ρ);
-  });
-  (d3.geo.stereographic = function() {
-    return d3_geo_projection(d3_geo_stereographic);
-  }).raw = d3_geo_stereographic;
-  function d3_geo_transverseMercator(λ, φ) {
-    return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
-  }
-  d3_geo_transverseMercator.invert = function(x, y) {
-    return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
-  };
-  (d3.geo.transverseMercator = function() {
-    var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
-    projection.center = function(_) {
-      return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
-    };
-    projection.rotate = function(_) {
-      return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 
-      [ _[0], _[1], _[2] - 90 ]);
-    };
-    return rotate([ 0, 0, 90 ]);
-  }).raw = d3_geo_transverseMercator;
-  d3.geom = {};
-  function d3_geom_pointX(d) {
-    return d[0];
-  }
-  function d3_geom_pointY(d) {
-    return d[1];
-  }
-  d3.geom.hull = function(vertices) {
-    var x = d3_geom_pointX, y = d3_geom_pointY;
-    if (arguments.length) return hull(vertices);
-    function hull(data) {
-      if (data.length < 3) return [];
-      var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
-      for (i = 0; i < n; i++) {
-        points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
-      }
-      points.sort(d3_geom_hullOrder);
-      for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
-      var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
-      var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
-      for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
-      for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
-      return polygon;
-    }
-    hull.x = function(_) {
-      return arguments.length ? (x = _, hull) : x;
-    };
-    hull.y = function(_) {
-      return arguments.length ? (y = _, hull) : y;
-    };
-    return hull;
-  };
-  function d3_geom_hullUpper(points) {
-    var n = points.length, hull = [ 0, 1 ], hs = 2;
-    for (var i = 2; i < n; i++) {
-      while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
-      hull[hs++] = i;
-    }
-    return hull.slice(0, hs);
-  }
-  function d3_geom_hullOrder(a, b) {
-    return a[0] - b[0] || a[1] - b[1];
-  }
-  d3.geom.polygon = function(coordinates) {
-    d3_subclass(coordinates, d3_geom_polygonPrototype);
-    return coordinates;
-  };
-  var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
-  d3_geom_polygonPrototype.area = function() {
-    var i = -1, n = this.length, a, b = this[n - 1], area = 0;
-    while (++i < n) {
-      a = b;
-      b = this[i];
-      area += a[1] * b[0] - a[0] * b[1];
-    }
-    return area * .5;
-  };
-  d3_geom_polygonPrototype.centroid = function(k) {
-    var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
-    if (!arguments.length) k = -1 / (6 * this.area());
-    while (++i < n) {
-      a = b;
-      b = this[i];
-      c = a[0] * b[1] - b[0] * a[1];
-      x += (a[0] + b[0]) * c;
-      y += (a[1] + b[1]) * c;
-    }
-    return [ x * k, y * k ];
-  };
-  d3_geom_polygonPrototype.clip = function(subject) {
-    var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
-    while (++i < n) {
-      input = subject.slice();
-      subject.length = 0;
-      b = this[i];
-      c = input[(m = input.length - closed) - 1];
-      j = -1;
-      while (++j < m) {
-        d = input[j];
-        if (d3_geom_polygonInside(d, a, b)) {
-          if (!d3_geom_polygonInside(c, a, b)) {
-            subject.push(d3_geom_polygonIntersect(c, d, a, b));
-          }
-          subject.push(d);
-        } else if (d3_geom_polygonInside(c, a, b)) {
-          subject.push(d3_geom_polygonIntersect(c, d, a, b));
-        }
-        c = d;
-      }
-      if (closed) subject.push(subject[0]);
-      a = b;
-    }
-    return subject;
-  };
-  function d3_geom_polygonInside(p, a, b) {
-    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
-  }
-  function d3_geom_polygonIntersect(c, d, a, b) {
-    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
-    return [ x1 + ua * x21, y1 + ua * y21 ];
-  }
-  function d3_geom_polygonClosed(coordinates) {
-    var a = coordinates[0], b = coordinates[coordinates.length - 1];
-    return !(a[0] - b[0] || a[1] - b[1]);
-  }
-  var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
-  function d3_geom_voronoiBeach() {
-    d3_geom_voronoiRedBlackNode(this);
-    this.edge = this.site = this.circle = null;
-  }
-  function d3_geom_voronoiCreateBeach(site) {
-    var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
-    beach.site = site;
-    return beach;
-  }
-  function d3_geom_voronoiDetachBeach(beach) {
-    d3_geom_voronoiDetachCircle(beach);
-    d3_geom_voronoiBeaches.remove(beach);
-    d3_geom_voronoiBeachPool.push(beach);
-    d3_geom_voronoiRedBlackNode(beach);
-  }
-  function d3_geom_voronoiRemoveBeach(beach) {
-    var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
-      x: x,
-      y: y
-    }, previous = beach.P, next = beach.N, disappearing = [ beach ];
-    d3_geom_voronoiDetachBeach(beach);
-    var lArc = previous;
-    while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
-      previous = lArc.P;
-      disappearing.unshift(lArc);
-      d3_geom_voronoiDetachBeach(lArc);
-      lArc = previous;
-    }
-    disappearing.unshift(lArc);
-    d3_geom_voronoiDetachCircle(lArc);
-    var rArc = next;
-    while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
-      next = rArc.N;
-      disappearing.push(rArc);
-      d3_geom_voronoiDetachBeach(rArc);
-      rArc = next;
-    }
-    disappearing.push(rArc);
-    d3_geom_voronoiDetachCircle(rArc);
-    var nArcs = disappearing.length, iArc;
-    for (iArc = 1; iArc < nArcs; ++iArc) {
-      rArc = disappearing[iArc];
-      lArc = disappearing[iArc - 1];
-      d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
-    }
-    lArc = disappearing[0];
-    rArc = disappearing[nArcs - 1];
-    rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
-    d3_geom_voronoiAttachCircle(lArc);
-    d3_geom_voronoiAttachCircle(rArc);
-  }
-  function d3_geom_voronoiAddBeach(site) {
-    var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
-    while (node) {
-      dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
-      if (dxl > ε) node = node.L; else {
-        dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
-        if (dxr > ε) {
-          if (!node.R) {
-            lArc = node;
-            break;
-          }
-          node = node.R;
-        } else {
-          if (dxl > -ε) {
-            lArc = node.P;
-            rArc = node;
-          } else if (dxr > -ε) {
-            lArc = node;
-            rArc = node.N;
-          } else {
-            lArc = rArc = node;
-          }
-          break;
-        }
-      }
-    }
-    var newArc = d3_geom_voronoiCreateBeach(site);
-    d3_geom_voronoiBeaches.insert(lArc, newArc);
-    if (!lArc && !rArc) return;
-    if (lArc === rArc) {
-      d3_geom_voronoiDetachCircle(lArc);
-      rArc = d3_geom_voronoiCreateBeach(lArc.site);
-      d3_geom_voronoiBeaches.insert(newArc, rArc);
-      newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
-      d3_geom_voronoiAttachCircle(lArc);
-      d3_geom_voronoiAttachCircle(rArc);
-      return;
-    }
-    if (!rArc) {
-      newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
-      return;
-    }
-    d3_geom_voronoiDetachCircle(lArc);
-    d3_geom_voronoiDetachCircle(rArc);
-    var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
-      x: (cy * hb - by * hc) / d + ax,
-      y: (bx * hc - cx * hb) / d + ay
-    };
-    d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
-    newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
-    rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
-    d3_geom_voronoiAttachCircle(lArc);
-    d3_geom_voronoiAttachCircle(rArc);
-  }
-  function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
-    var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
-    if (!pby2) return rfocx;
-    var lArc = arc.P;
-    if (!lArc) return -Infinity;
-    site = lArc.site;
-    var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
-    if (!plby2) return lfocx;
-    var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
-    if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
-    return (rfocx + lfocx) / 2;
-  }
-  function d3_geom_voronoiRightBreakPoint(arc, directrix) {
-    var rArc = arc.N;
-    if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
-    var site = arc.site;
-    return site.y === directrix ? site.x : Infinity;
-  }
-  function d3_geom_voronoiCell(site) {
-    this.site = site;
-    this.edges = [];
-  }
-  d3_geom_voronoiCell.prototype.prepare = function() {
-    var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
-    while (iHalfEdge--) {
-      edge = halfEdges[iHalfEdge].edge;
-      if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
-    }
-    halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
-    return halfEdges.length;
-  };
-  function d3_geom_voronoiCloseCells(extent) {
-    var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
-    while (iCell--) {
-      cell = cells[iCell];
-      if (!cell || !cell.prepare()) continue;
-      halfEdges = cell.edges;
-      nHalfEdges = halfEdges.length;
-      iHalfEdge = 0;
-      while (iHalfEdge < nHalfEdges) {
-        end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
-        start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
-        if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
-          halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
-            x: x0,
-            y: abs(x2 - x0) < ε ? y2 : y1
-          } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
-            x: abs(y2 - y1) < ε ? x2 : x1,
-            y: y1
-          } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
-            x: x1,
-            y: abs(x2 - x1) < ε ? y2 : y0
-          } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
-            x: abs(y2 - y0) < ε ? x2 : x0,
-            y: y0
-          } : null), cell.site, null));
-          ++nHalfEdges;
-        }
-      }
-    }
-  }
-  function d3_geom_voronoiHalfEdgeOrder(a, b) {
-    return b.angle - a.angle;
-  }
-  function d3_geom_voronoiCircle() {
-    d3_geom_voronoiRedBlackNode(this);
-    this.x = this.y = this.arc = this.site = this.cy = null;
-  }
-  function d3_geom_voronoiAttachCircle(arc) {
-    var lArc = arc.P, rArc = arc.N;
-    if (!lArc || !rArc) return;
-    var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
-    if (lSite === rSite) return;
-    var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
-    var d = 2 * (ax * cy - ay * cx);
-    if (d >= -ε2) return;
-    var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
-    var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
-    circle.arc = arc;
-    circle.site = cSite;
-    circle.x = x + bx;
-    circle.y = cy + Math.sqrt(x * x + y * y);
-    circle.cy = cy;
-    arc.circle = circle;
-    var before = null, node = d3_geom_voronoiCircles._;
-    while (node) {
-      if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
-        if (node.L) node = node.L; else {
-          before = node.P;
-          break;
-        }
-      } else {
-        if (node.R) node = node.R; else {
-          before = node;
-          break;
-        }
-      }
-    }
-    d3_geom_voronoiCircles.insert(before, circle);
-    if (!before) d3_geom_voronoiFirstCircle = circle;
-  }
-  function d3_geom_voronoiDetachCircle(arc) {
-    var circle = arc.circle;
-    if (circle) {
-      if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
-      d3_geom_voronoiCircles.remove(circle);
-      d3_geom_voronoiCirclePool.push(circle);
-      d3_geom_voronoiRedBlackNode(circle);
-      arc.circle = null;
-    }
-  }
-  function d3_geom_voronoiClipEdges(extent) {
-    var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
-    while (i--) {
-      e = edges[i];
-      if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
-        e.a = e.b = null;
-        edges.splice(i, 1);
-      }
-    }
-  }
-  function d3_geom_voronoiConnectEdge(edge, extent) {
-    var vb = edge.b;
-    if (vb) return true;
-    var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
-    if (ry === ly) {
-      if (fx < x0 || fx >= x1) return;
-      if (lx > rx) {
-        if (!va) va = {
-          x: fx,
-          y: y0
-        }; else if (va.y >= y1) return;
-        vb = {
-          x: fx,
-          y: y1
-        };
-      } else {
-        if (!va) va = {
-          x: fx,
-          y: y1
-        }; else if (va.y < y0) return;
-        vb = {
-          x: fx,
-          y: y0
-        };
-      }
-    } else {
-      fm = (lx - rx) / (ry - ly);
-      fb = fy - fm * fx;
-      if (fm < -1 || fm > 1) {
-        if (lx > rx) {
-          if (!va) va = {
-            x: (y0 - fb) / fm,
-            y: y0
-          }; else if (va.y >= y1) return;
-          vb = {
-            x: (y1 - fb) / fm,
-            y: y1
-          };
-        } else {
-          if (!va) va = {
-            x: (y1 - fb) / fm,
-            y: y1
-          }; else if (va.y < y0) return;
-          vb = {
-            x: (y0 - fb) / fm,
-            y: y0
-          };
-        }
-      } else {
-        if (ly < ry) {
-          if (!va) va = {
-            x: x0,
-            y: fm * x0 + fb
-          }; else if (va.x >= x1) return;
-          vb = {
-            x: x1,
-            y: fm * x1 + fb
-          };
-        } else {
-          if (!va) va = {
-            x: x1,
-            y: fm * x1 + fb
-          }; else if (va.x < x0) return;
-          vb = {
-            x: x0,
-            y: fm * x0 + fb
-          };
-        }
-      }
-    }
-    edge.a = va;
-    edge.b = vb;
-    return true;
-  }
-  function d3_geom_voronoiEdge(lSite, rSite) {
-    this.l = lSite;
-    this.r = rSite;
-    this.a = this.b = null;
-  }
-  function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
-    var edge = new d3_geom_voronoiEdge(lSite, rSite);
-    d3_geom_voronoiEdges.push(edge);
-    if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
-    if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
-    d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
-    d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
-    return edge;
-  }
-  function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
-    var edge = new d3_geom_voronoiEdge(lSite, null);
-    edge.a = va;
-    edge.b = vb;
-    d3_geom_voronoiEdges.push(edge);
-    return edge;
-  }
-  function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
-    if (!edge.a && !edge.b) {
-      edge.a = vertex;
-      edge.l = lSite;
-      edge.r = rSite;
-    } else if (edge.l === rSite) {
-      edge.b = vertex;
-    } else {
-      edge.a = vertex;
-    }
-  }
-  function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
-    var va = edge.a, vb = edge.b;
-    this.edge = edge;
-    this.site = lSite;
-    this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
-  }
-  d3_geom_voronoiHalfEdge.prototype = {
-    start: function() {
-      return this.edge.l === this.site ? this.edge.a : this.edge.b;
-    },
-    end: function() {
-      return this.edge.l === this.site ? this.edge.b : this.edge.a;
-    }
-  };
-  function d3_geom_voronoiRedBlackTree() {
-    this._ = null;
-  }
-  function d3_geom_voronoiRedBlackNode(node) {
-    node.U = node.C = node.L = node.R = node.P = node.N = null;
-  }
-  d3_geom_voronoiRedBlackTree.prototype = {
-    insert: function(after, node) {
-      var parent, grandpa, uncle;
-      if (after) {
-        node.P = after;
-        node.N = after.N;
-        if (after.N) after.N.P = node;
-        after.N = node;
-        if (after.R) {
-          after = after.R;
-          while (after.L) after = after.L;
-          after.L = node;
-        } else {
-          after.R = node;
-        }
-        parent = after;
-      } else if (this._) {
-        after = d3_geom_voronoiRedBlackFirst(this._);
-        node.P = null;
-        node.N = after;
-        after.P = after.L = node;
-        parent = after;
-      } else {
-        node.P = node.N = null;
-        this._ = node;
-        parent = null;
-      }
-      node.L = node.R = null;
-      node.U = parent;
-      node.C = true;
-      after = node;
-      while (parent && parent.C) {
-        grandpa = parent.U;
-        if (parent === grandpa.L) {
-          uncle = grandpa.R;
-          if (uncle && uncle.C) {
-            parent.C = uncle.C = false;
-            grandpa.C = true;
-            after = grandpa;
-          } else {
-            if (after === parent.R) {
-              d3_geom_voronoiRedBlackRotateLeft(this, parent);
-              after = parent;
-              parent = after.U;
-            }
-            parent.C = false;
-            grandpa.C = true;
-            d3_geom_voronoiRedBlackRotateRight(this, grandpa);
-          }
-        } else {
-          uncle = grandpa.L;
-          if (uncle && uncle.C) {
-            parent.C = uncle.C = false;
-            grandpa.C = true;
-            after = grandpa;
-          } else {
-            if (after === parent.L) {
-              d3_geom_voronoiRedBlackRotateRight(this, parent);
-              after = parent;
-              parent = after.U;
-            }
-            parent.C = false;
-            grandpa.C = true;
-            d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
-          }
-        }
-        parent = after.U;
-      }
-      this._.C = false;
-    },
-    remove: function(node) {
-      if (node.N) node.N.P = node.P;
-      if (node.P) node.P.N = node.N;
-      node.N = node.P = null;
-      var parent = node.U, sibling, left = node.L, right = node.R, next, red;
-      if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
-      if (parent) {
-        if (parent.L === node) parent.L = next; else parent.R = next;
-      } else {
-        this._ = next;
-      }
-      if (left && right) {
-        red = next.C;
-        next.C = node.C;
-        next.L = left;
-        left.U = next;
-        if (next !== right) {
-          parent = next.U;
-          next.U = node.U;
-          node = next.R;
-          parent.L = node;
-          next.R = right;
-          right.U = next;
-        } else {
-          next.U = parent;
-          parent = next;
-          node = next.R;
-        }
-      } else {
-        red = node.C;
-        node = next;
-      }
-      if (node) node.U = parent;
-      if (red) return;
-      if (node && node.C) {
-        node.C = false;
-        return;
-      }
-      do {
-        if (node === this._) break;
-        if (node === parent.L) {
-          sibling = parent.R;
-          if (sibling.C) {
-            sibling.C = false;
-            parent.C = true;
-            d3_geom_voronoiRedBlackRotateLeft(this, parent);
-            sibling = parent.R;
-          }
-          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
-            if (!sibling.R || !sibling.R.C) {
-              sibling.L.C = false;
-              sibling.C = true;
-              d3_geom_voronoiRedBlackRotateRight(this, sibling);
-              sibling = parent.R;
-            }
-            sibling.C = parent.C;
-            parent.C = sibling.R.C = false;
-            d3_geom_voronoiRedBlackRotateLeft(this, parent);
-            node = this._;
-            break;
-          }
-        } else {
-          sibling = parent.L;
-          if (sibling.C) {
-            sibling.C = false;
-            parent.C = true;
-            d3_geom_voronoiRedBlackRotateRight(this, parent);
-            sibling = parent.L;
-          }
-          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
-            if (!sibling.L || !sibling.L.C) {
-              sibling.R.C = false;
-              sibling.C = true;
-              d3_geom_voronoiRedBlackRotateLeft(this, sibling);
-              sibling = parent.L;
-            }
-            sibling.C = parent.C;
-            parent.C = sibling.L.C = false;
-            d3_geom_voronoiRedBlackRotateRight(this, parent);
-            node = this._;
-            break;
-          }
-        }
-        sibling.C = true;
-        node = parent;
-        parent = parent.U;
-      } while (!node.C);
-      if (node) node.C = false;
-    }
-  };
-  function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
-    var p = node, q = node.R, parent = p.U;
-    if (parent) {
-      if (parent.L === p) parent.L = q; else parent.R = q;
-    } else {
-      tree._ = q;
-    }
-    q.U = parent;
-    p.U = q;
-    p.R = q.L;
-    if (p.R) p.R.U = p;
-    q.L = p;
-  }
-  function d3_geom_voronoiRedBlackRotateRight(tree, node) {
-    var p = node, q = node.L, parent = p.U;
-    if (parent) {
-      if (parent.L === p) parent.L = q; else parent.R = q;
-    } else {
-      tree._ = q;
-    }
-    q.U = parent;
-    p.U = q;
-    p.L = q.R;
-    if (p.L) p.L.U = p;
-    q.R = p;
-  }
-  function d3_geom_voronoiRedBlackFirst(node) {
-    while (node.L) node = node.L;
-    return node;
-  }
-  function d3_geom_voronoi(sites, bbox) {
-    var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
-    d3_geom_voronoiEdges = [];
-    d3_geom_voronoiCells = new Array(sites.length);
-    d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
-    d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
-    while (true) {
-      circle = d3_geom_voronoiFirstCircle;
-      if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
-        if (site.x !== x0 || site.y !== y0) {
-          d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
-          d3_geom_voronoiAddBeach(site);
-          x0 = site.x, y0 = site.y;
-        }
-        site = sites.pop();
-      } else if (circle) {
-        d3_geom_voronoiRemoveBeach(circle.arc);
-      } else {
-        break;
-      }
-    }
-    if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
-    var diagram = {
-      cells: d3_geom_voronoiCells,
-      edges: d3_geom_voronoiEdges
-    };
-    d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
-    return diagram;
-  }
-  function d3_geom_voronoiVertexOrder(a, b) {
-    return b.y - a.y || b.x - a.x;
-  }
-  d3.geom.voronoi = function(points) {
-    var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
-    if (points) return voronoi(points);
-    function voronoi(data) {
-      var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
-      d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
-        var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
-          var s = e.start();
-          return [ s.x, s.y ];
-        }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
-        polygon.point = data[i];
-      });
-      return polygons;
-    }
-    function sites(data) {
-      return data.map(function(d, i) {
-        return {
-          x: Math.round(fx(d, i) / ε) * ε,
-          y: Math.round(fy(d, i) / ε) * ε,
-          i: i
-        };
-      });
-    }
-    voronoi.links = function(data) {
-      return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
-        return edge.l && edge.r;
-      }).map(function(edge) {
-        return {
-          source: data[edge.l.i],
-          target: data[edge.r.i]
-        };
-      });
-    };
-    voronoi.triangles = function(data) {
-      var triangles = [];
-      d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
-        var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
-        while (++j < m) {
-          e0 = e1;
-          s0 = s1;
-          e1 = edges[j].edge;
-          s1 = e1.l === site ? e1.r : e1.l;
-          if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
-            triangles.push([ data[i], data[s0.i], data[s1.i] ]);
-          }
-        }
-      });
-      return triangles;
-    };
-    voronoi.x = function(_) {
-      return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
-    };
-    voronoi.y = function(_) {
-      return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
-    };
-    voronoi.clipExtent = function(_) {
-      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
-      clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
-      return voronoi;
-    };
-    voronoi.size = function(_) {
-      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
-      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
-    };
-    return voronoi;
-  };
-  var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
-  function d3_geom_voronoiTriangleArea(a, b, c) {
-    return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
-  }
-  d3.geom.delaunay = function(vertices) {
-    return d3.geom.voronoi().triangles(vertices);
-  };
-  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
-    var x = d3_geom_pointX, y = d3_geom_pointY, compat;
-    if (compat = arguments.length) {
-      x = d3_geom_quadtreeCompatX;
-      y = d3_geom_quadtreeCompatY;
-      if (compat === 3) {
-        y2 = y1;
-        x2 = x1;
-        y1 = x1 = 0;
-      }
-      return quadtree(points);
-    }
-    function quadtree(data) {
-      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
-      if (x1 != null) {
-        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
-      } else {
-        x2_ = y2_ = -(x1_ = y1_ = Infinity);
-        xs = [], ys = [];
-        n = data.length;
-        if (compat) for (i = 0; i < n; ++i) {
-          d = data[i];
-          if (d.x < x1_) x1_ = d.x;
-          if (d.y < y1_) y1_ = d.y;
-          if (d.x > x2_) x2_ = d.x;
-          if (d.y > y2_) y2_ = d.y;
-          xs.push(d.x);
-          ys.push(d.y);
-        } else for (i = 0; i < n; ++i) {
-          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
-          if (x_ < x1_) x1_ = x_;
-          if (y_ < y1_) y1_ = y_;
-          if (x_ > x2_) x2_ = x_;
-          if (y_ > y2_) y2_ = y_;
-          xs.push(x_);
-          ys.push(y_);
-        }
-      }
-      var dx = x2_ - x1_, dy = y2_ - y1_;
-      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
-      function insert(n, d, x, y, x1, y1, x2, y2) {
-        if (isNaN(x) || isNaN(y)) return;
-        if (n.leaf) {
-          var nx = n.x, ny = n.y;
-          if (nx != null) {
-            if (abs(nx - x) + abs(ny - y) < .01) {
-              insertChild(n, d, x, y, x1, y1, x2, y2);
-            } else {
-              var nPoint = n.point;
-              n.x = n.y = n.point = null;
-              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
-              insertChild(n, d, x, y, x1, y1, x2, y2);
-            }
-          } else {
-            n.x = x, n.y = y, n.point = d;
-          }
-        } else {
-          insertChild(n, d, x, y, x1, y1, x2, y2);
-        }
-      }
-      function insertChild(n, d, x, y, x1, y1, x2, y2) {
-        var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
-        n.leaf = false;
-        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
-        if (right) x1 = xm; else x2 = xm;
-        if (below) y1 = ym; else y2 = ym;
-        insert(n, d, x, y, x1, y1, x2, y2);
-      }
-      var root = d3_geom_quadtreeNode();
-      root.add = function(d) {
-        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
-      };
-      root.visit = function(f) {
-        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
-      };
-      root.find = function(point) {
-        return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
-      };
-      i = -1;
-      if (x1 == null) {
-        while (++i < n) {
-          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
-        }
-        --i;
-      } else data.forEach(root.add);
-      xs = ys = data = d = null;
-      return root;
-    }
-    quadtree.x = function(_) {
-      return arguments.length ? (x = _, quadtree) : x;
-    };
-    quadtree.y = function(_) {
-      return arguments.length ? (y = _, quadtree) : y;
-    };
-    quadtree.extent = function(_) {
-      if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
-      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 
-      y2 = +_[1][1];
-      return quadtree;
-    };
-    quadtree.size = function(_) {
-      if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
-      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
-      return quadtree;
-    };
-    return quadtree;
-  };
-  function d3_geom_quadtreeCompatX(d) {
-    return d.x;
-  }
-  function d3_geom_quadtreeCompatY(d) {
-    return d.y;
-  }
-  function d3_geom_quadtreeNode() {
-    return {
-      leaf: true,
-      nodes: [],
-      point: null,
-      x: null,
-      y: null
-    };
-  }
-  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
-    if (!f(node, x1, y1, x2, y2)) {
-      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
-      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
-      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
-      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
-      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
-    }
-  }
-  function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
-    var minDistance2 = Infinity, closestPoint;
-    (function find(node, x1, y1, x2, y2) {
-      if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
-      if (point = node.point) {
-        var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;
-        if (distance2 < minDistance2) {
-          var distance = Math.sqrt(minDistance2 = distance2);
-          x0 = x - distance, y0 = y - distance;
-          x3 = x + distance, y3 = y + distance;
-          closestPoint = point;
-        }
-      }
-      var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
-      for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
-        if (node = children[i & 3]) switch (i & 3) {
-         case 0:
-          find(node, x1, y1, xm, ym);
-          break;
-
-         case 1:
-          find(node, xm, y1, x2, ym);
-          break;
-
-         case 2:
-          find(node, x1, ym, xm, y2);
-          break;
-
-         case 3:
-          find(node, xm, ym, x2, y2);
-          break;
-        }
-      }
-    })(root, x0, y0, x3, y3);
-    return closestPoint;
-  }
-  d3.interpolateRgb = d3_interpolateRgb;
-  function d3_interpolateRgb(a, b) {
-    a = d3.rgb(a);
-    b = d3.rgb(b);
-    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
-    return function(t) {
-      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
-    };
-  }
-  d3.interpolateObject = d3_interpolateObject;
-  function d3_interpolateObject(a, b) {
-    var i = {}, c = {}, k;
-    for (k in a) {
-      if (k in b) {
-        i[k] = d3_interpolate(a[k], b[k]);
-      } else {
-        c[k] = a[k];
-      }
-    }
-    for (k in b) {
-      if (!(k in a)) {
-        c[k] = b[k];
-      }
-    }
-    return function(t) {
-      for (k in i) c[k] = i[k](t);
-      return c;
-    };
-  }
-  d3.interpolateNumber = d3_interpolateNumber;
-  function d3_interpolateNumber(a, b) {
-    a = +a, b = +b;
-    return function(t) {
-      return a * (1 - t) + b * t;
-    };
-  }
-  d3.interpolateString = d3_interpolateString;
-  function d3_interpolateString(a, b) {
-    var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
-    a = a + "", b = b + "";
-    while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
-      if ((bs = bm.index) > bi) {
-        bs = b.slice(bi, bs);
-        if (s[i]) s[i] += bs; else s[++i] = bs;
-      }
-      if ((am = am[0]) === (bm = bm[0])) {
-        if (s[i]) s[i] += bm; else s[++i] = bm;
-      } else {
-        s[++i] = null;
-        q.push({
-          i: i,
-          x: d3_interpolateNumber(am, bm)
-        });
-      }
-      bi = d3_interpolate_numberB.lastIndex;
-    }
-    if (bi < b.length) {
-      bs = b.slice(bi);
-      if (s[i]) s[i] += bs; else s[++i] = bs;
-    }
-    return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
-      return b(t) + "";
-    }) : function() {
-      return b;
-    } : (b = q.length, function(t) {
-      for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
-      return s.join("");
-    });
-  }
-  var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
-  d3.interpolate = d3_interpolate;
-  function d3_interpolate(a, b) {
-    var i = d3.interpolators.length, f;
-    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
-    return f;
-  }
-  d3.interpolators = [ function(a, b) {
-    var t = typeof b;
-    return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
-  } ];
-  d3.interpolateArray = d3_interpolateArray;
-  function d3_interpolateArray(a, b) {
-    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
-    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
-    for (;i < na; ++i) c[i] = a[i];
-    for (;i < nb; ++i) c[i] = b[i];
-    return function(t) {
-      for (i = 0; i < n0; ++i) c[i] = x[i](t);
-      return c;
-    };
-  }
-  var d3_ease_default = function() {
-    return d3_identity;
-  };
-  var d3_ease = d3.map({
-    linear: d3_ease_default,
-    poly: d3_ease_poly,
-    quad: function() {
-      return d3_ease_quad;
-    },
-    cubic: function() {
-      return d3_ease_cubic;
-    },
-    sin: function() {
-      return d3_ease_sin;
-    },
-    exp: function() {
-      return d3_ease_exp;
-    },
-    circle: function() {
-      return d3_ease_circle;
-    },
-    elastic: d3_ease_elastic,
-    back: d3_ease_back,
-    bounce: function() {
-      return d3_ease_bounce;
-    }
-  });
-  var d3_ease_mode = d3.map({
-    "in": d3_identity,
-    out: d3_ease_reverse,
-    "in-out": d3_ease_reflect,
-    "out-in": function(f) {
-      return d3_ease_reflect(d3_ease_reverse(f));
-    }
-  });
-  d3.ease = function(name) {
-    var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
-    t = d3_ease.get(t) || d3_ease_default;
-    m = d3_ease_mode.get(m) || d3_identity;
-    return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
-  };
-  function d3_ease_clamp(f) {
-    return function(t) {
-      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
-    };
-  }
-  function d3_ease_reverse(f) {
-    return function(t) {
-      return 1 - f(1 - t);
-    };
-  }
-  function d3_ease_reflect(f) {
-    return function(t) {
-      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
-    };
-  }
-  function d3_ease_quad(t) {
-    return t * t;
-  }
-  function d3_ease_cubic(t) {
-    return t * t * t;
-  }
-  function d3_ease_cubicInOut(t) {
-    if (t <= 0) return 0;
-    if (t >= 1) return 1;
-    var t2 = t * t, t3 = t2 * t;
-    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
-  }
-  function d3_ease_poly(e) {
-    return function(t) {
-      return Math.pow(t, e);
-    };
-  }
-  function d3_ease_sin(t) {
-    return 1 - Math.cos(t * halfπ);
-  }
-  function d3_ease_exp(t) {
-    return Math.pow(2, 10 * (t - 1));
-  }
-  function d3_ease_circle(t) {
-    return 1 - Math.sqrt(1 - t * t);
-  }
-  function d3_ease_elastic(a, p) {
-    var s;
-    if (arguments.length < 2) p = .45;
-    if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
-    return function(t) {
-      return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
-    };
-  }
-  function d3_ease_back(s) {
-    if (!s) s = 1.70158;
-    return function(t) {
-      return t * t * ((s + 1) * t - s);
-    };
-  }
-  function d3_ease_bounce(t) {
-    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
-  }
-  d3.interpolateHcl = d3_interpolateHcl;
-  function d3_interpolateHcl(a, b) {
-    a = d3.hcl(a);
-    b = d3.hcl(b);
-    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
-    if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
-    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
-    return function(t) {
-      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
-    };
-  }
-  d3.interpolateHsl = d3_interpolateHsl;
-  function d3_interpolateHsl(a, b) {
-    a = d3.hsl(a);
-    b = d3.hsl(b);
-    var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
-    if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
-    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
-    return function(t) {
-      return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
-    };
-  }
-  d3.interpolateLab = d3_interpolateLab;
-  function d3_interpolateLab(a, b) {
-    a = d3.lab(a);
-    b = d3.lab(b);
-    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
-    return function(t) {
-      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
-    };
-  }
-  d3.interpolateRound = d3_interpolateRound;
-  function d3_interpolateRound(a, b) {
-    b -= a;
-    return function(t) {
-      return Math.round(a + b * t);
-    };
-  }
-  d3.transform = function(string) {
-    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
-    return (d3.transform = function(string) {
-      if (string != null) {
-        g.setAttribute("transform", string);
-        var t = g.transform.baseVal.consolidate();
-      }
-      return new d3_transform(t ? t.matrix : d3_transformIdentity);
-    })(string);
-  };
-  function d3_transform(m) {
-    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
-    if (r0[0] * r1[1] < r1[0] * r0[1]) {
-      r0[0] *= -1;
-      r0[1] *= -1;
-      kx *= -1;
-      kz *= -1;
-    }
-    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
-    this.translate = [ m.e, m.f ];
-    this.scale = [ kx, ky ];
-    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
-  }
-  d3_transform.prototype.toString = function() {
-    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
-  };
-  function d3_transformDot(a, b) {
-    return a[0] * b[0] + a[1] * b[1];
-  }
-  function d3_transformNormalize(a) {
-    var k = Math.sqrt(d3_transformDot(a, a));
-    if (k) {
-      a[0] /= k;
-      a[1] /= k;
-    }
-    return k;
-  }
-  function d3_transformCombine(a, b, k) {
-    a[0] += k * b[0];
-    a[1] += k * b[1];
-    return a;
-  }
-  var d3_transformIdentity = {
-    a: 1,
-    b: 0,
-    c: 0,
-    d: 1,
-    e: 0,
-    f: 0
-  };
-  d3.interpolateTransform = d3_interpolateTransform;
-  function d3_interpolateTransform(a, b) {
-    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
-    if (ta[0] != tb[0] || ta[1] != tb[1]) {
-      s.push("translate(", null, ",", null, ")");
-      q.push({
-        i: 1,
-        x: d3_interpolateNumber(ta[0], tb[0])
-      }, {
-        i: 3,
-        x: d3_interpolateNumber(ta[1], tb[1])
-      });
-    } else if (tb[0] || tb[1]) {
-      s.push("translate(" + tb + ")");
-    } else {
-      s.push("");
-    }
-    if (ra != rb) {
-      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
-      q.push({
-        i: s.push(s.pop() + "rotate(", null, ")") - 2,
-        x: d3_interpolateNumber(ra, rb)
-      });
-    } else if (rb) {
-      s.push(s.pop() + "rotate(" + rb + ")");
-    }
-    if (wa != wb) {
-      q.push({
-        i: s.push(s.pop() + "skewX(", null, ")") - 2,
-        x: d3_interpolateNumber(wa, wb)
-      });
-    } else if (wb) {
-      s.push(s.pop() + "skewX(" + wb + ")");
-    }
-    if (ka[0] != kb[0] || ka[1] != kb[1]) {
-      n = s.push(s.pop() + "scale(", null, ",", null, ")");
-      q.push({
-        i: n - 4,
-        x: d3_interpolateNumber(ka[0], kb[0])
-      }, {
-        i: n - 2,
-        x: d3_interpolateNumber(ka[1], kb[1])
-      });
-    } else if (kb[0] != 1 || kb[1] != 1) {
-      s.push(s.pop() + "scale(" + kb + ")");
-    }
-    n = q.length;
-    return function(t) {
-      var i = -1, o;
-      while (++i < n) s[(o = q[i]).i] = o.x(t);
-      return s.join("");
-    };
-  }
-  function d3_uninterpolateNumber(a, b) {
-    b = (b -= a = +a) || 1 / b;
-    return function(x) {
-      return (x - a) / b;
-    };
-  }
-  function d3_uninterpolateClamp(a, b) {
-    b = (b -= a = +a) || 1 / b;
-    return function(x) {
-      return Math.max(0, Math.min(1, (x - a) / b));
-    };
-  }
-  d3.layout = {};
-  d3.layout.bundle = function() {
-    return function(links) {
-      var paths = [], i = -1, n = links.length;
-      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
-      return paths;
-    };
-  };
-  function d3_layout_bundlePath(link) {
-    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
-    while (start !== lca) {
-      start = start.parent;
-      points.push(start);
-    }
-    var k = points.length;
-    while (end !== lca) {
-      points.splice(k, 0, end);
-      end = end.parent;
-    }
-    return points;
-  }
-  function d3_layout_bundleAncestors(node) {
-    var ancestors = [], parent = node.parent;
-    while (parent != null) {
-      ancestors.push(node);
-      node = parent;
-      parent = parent.parent;
-    }
-    ancestors.push(node);
-    return ancestors;
-  }
-  function d3_layout_bundleLeastCommonAncestor(a, b) {
-    if (a === b) return a;
-    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
-    while (aNode === bNode) {
-      sharedNode = aNode;
-      aNode = aNodes.pop();
-      bNode = bNodes.pop();
-    }
-    return sharedNode;
-  }
-  d3.layout.chord = function() {
-    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
-    function relayout() {
-      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
-      chords = [];
-      groups = [];
-      k = 0, i = -1;
-      while (++i < n) {
-        x = 0, j = -1;
-        while (++j < n) {
-          x += matrix[i][j];
-        }
-        groupSums.push(x);
-        subgroupIndex.push(d3.range(n));
-        k += x;
-      }
-      if (sortGroups) {
-        groupIndex.sort(function(a, b) {
-          return sortGroups(groupSums[a], groupSums[b]);
-        });
-      }
-      if (sortSubgroups) {
-        subgroupIndex.forEach(function(d, i) {
-          d.sort(function(a, b) {
-            return sortSubgroups(matrix[i][a], matrix[i][b]);
-          });
-        });
-      }
-      k = (τ - padding * n) / k;
-      x = 0, i = -1;
-      while (++i < n) {
-        x0 = x, j = -1;
-        while (++j < n) {
-          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
-          subgroups[di + "-" + dj] = {
-            index: di,
-            subindex: dj,
-            startAngle: a0,
-            endAngle: a1,
-            value: v
-          };
-        }
-        groups[di] = {
-          index: di,
-          startAngle: x0,
-          endAngle: x,
-          value: (x - x0) / k
-        };
-        x += padding;
-      }
-      i = -1;
-      while (++i < n) {
-        j = i - 1;
-        while (++j < n) {
-          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
-          if (source.value || target.value) {
-            chords.push(source.value < target.value ? {
-              source: target,
-              target: source
-            } : {
-              source: source,
-              target: target
-            });
-          }
-        }
-      }
-      if (sortChords) resort();
-    }
-    function resort() {
-      chords.sort(function(a, b) {
-        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
-      });
-    }
-    chord.matrix = function(x) {
-      if (!arguments.length) return matrix;
-      n = (matrix = x) && matrix.length;
-      chords = groups = null;
-      return chord;
-    };
-    chord.padding = function(x) {
-      if (!arguments.length) return padding;
-      padding = x;
-      chords = groups = null;
-      return chord;
-    };
-    chord.sortGroups = function(x) {
-      if (!arguments.length) return sortGroups;
-      sortGroups = x;
-      chords = groups = null;
-      return chord;
-    };
-    chord.sortSubgroups = function(x) {
-      if (!arguments.length) return sortSubgroups;
-      sortSubgroups = x;
-      chords = null;
-      return chord;
-    };
-    chord.sortChords = function(x) {
-      if (!arguments.length) return sortChords;
-      sortChords = x;
-      if (chords) resort();
-      return chord;
-    };
-    chord.chords = function() {
-      if (!chords) relayout();
-      return chords;
-    };
-    chord.groups = function() {
-      if (!groups) relayout();
-      return groups;
-    };
-    return chord;
-  };
-  d3.layout.force = function() {
-    var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
-    function repulse(node) {
-      return function(quad, x1, _, x2) {
-        if (quad.point !== node) {
-          var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
-          if (dw * dw / theta2 < dn) {
-            if (dn < chargeDistance2) {
-              var k = quad.charge / dn;
-              node.px -= dx * k;
-              node.py -= dy * k;
-            }
-            return true;
-          }
-          if (quad.point && dn && dn < chargeDistance2) {
-            var k = quad.pointCharge / dn;
-            node.px -= dx * k;
-            node.py -= dy * k;
-          }
-        }
-        return !quad.charge;
-      };
-    }
-    force.tick = function() {
-      if ((alpha *= .99) < .005) {
-        event.end({
-          type: "end",
-          alpha: alpha = 0
-        });
-        return true;
-      }
-      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
-      for (i = 0; i < m; ++i) {
-        o = links[i];
-        s = o.source;
-        t = o.target;
-        x = t.x - s.x;
-        y = t.y - s.y;
-        if (l = x * x + y * y) {
-          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
-          x *= l;
-          y *= l;
-          t.x -= x * (k = s.weight / (t.weight + s.weight));
-          t.y -= y * k;
-          s.x += x * (k = 1 - k);
-          s.y += y * k;
-        }
-      }
-      if (k = alpha * gravity) {
-        x = size[0] / 2;
-        y = size[1] / 2;
-        i = -1;
-        if (k) while (++i < n) {
-          o = nodes[i];
-          o.x += (x - o.x) * k;
-          o.y += (y - o.y) * k;
-        }
-      }
-      if (charge) {
-        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
-        i = -1;
-        while (++i < n) {
-          if (!(o = nodes[i]).fixed) {
-            q.visit(repulse(o));
-          }
-        }
-      }
-      i = -1;
-      while (++i < n) {
-        o = nodes[i];
-        if (o.fixed) {
-          o.x = o.px;
-          o.y = o.py;
-        } else {
-          o.x -= (o.px - (o.px = o.x)) * friction;
-          o.y -= (o.py - (o.py = o.y)) * friction;
-        }
-      }
-      event.tick({
-        type: "tick",
-        alpha: alpha
-      });
-    };
-    force.nodes = function(x) {
-      if (!arguments.length) return nodes;
-      nodes = x;
-      return force;
-    };
-    force.links = function(x) {
-      if (!arguments.length) return links;
-      links = x;
-      return force;
-    };
-    force.size = function(x) {
-      if (!arguments.length) return size;
-      size = x;
-      return force;
-    };
-    force.linkDistance = function(x) {
-      if (!arguments.length) return linkDistance;
-      linkDistance = typeof x === "function" ? x : +x;
-      return force;
-    };
-    force.distance = force.linkDistance;
-    force.linkStrength = function(x) {
-      if (!arguments.length) return linkStrength;
-      linkStrength = typeof x === "function" ? x : +x;
-      return force;
-    };
-    force.friction = function(x) {
-      if (!arguments.length) return friction;
-      friction = +x;
-      return force;
-    };
-    force.charge = function(x) {
-      if (!arguments.length) return charge;
-      charge = typeof x === "function" ? x : +x;
-      return force;
-    };
-    force.chargeDistance = function(x) {
-      if (!arguments.length) return Math.sqrt(chargeDistance2);
-      chargeDistance2 = x * x;
-      return force;
-    };
-    force.gravity = function(x) {
-      if (!arguments.length) return gravity;
-      gravity = +x;
-      return force;
-    };
-    force.theta = function(x) {
-      if (!arguments.length) return Math.sqrt(theta2);
-      theta2 = x * x;
-      return force;
-    };
-    force.alpha = function(x) {
-      if (!arguments.length) return alpha;
-      x = +x;
-      if (alpha) {
-        if (x > 0) alpha = x; else alpha = 0;
-      } else if (x > 0) {
-        event.start({
-          type: "start",
-          alpha: alpha = x
-        });
-        d3.timer(force.tick);
-      }
-      return force;
-    };
-    force.start = function() {
-      var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
-      for (i = 0; i < n; ++i) {
-        (o = nodes[i]).index = i;
-        o.weight = 0;
-      }
-      for (i = 0; i < m; ++i) {
-        o = links[i];
-        if (typeof o.source == "number") o.source = nodes[o.source];
-        if (typeof o.target == "number") o.target = nodes[o.target];
-        ++o.source.weight;
-        ++o.target.weight;
-      }
-      for (i = 0; i < n; ++i) {
-        o = nodes[i];
-        if (isNaN(o.x)) o.x = position("x", w);
-        if (isNaN(o.y)) o.y = position("y", h);
-        if (isNaN(o.px)) o.px = o.x;
-        if (isNaN(o.py)) o.py = o.y;
-      }
-      distances = [];
-      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
-      strengths = [];
-      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
-      charges = [];
-      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
-      function position(dimension, size) {
-        if (!neighbors) {
-          neighbors = new Array(n);
-          for (j = 0; j < n; ++j) {
-            neighbors[j] = [];
-          }
-          for (j = 0; j < m; ++j) {
-            var o = links[j];
-            neighbors[o.source.index].push(o.target);
-            neighbors[o.target.index].push(o.source);
-          }
-        }
-        var candidates = neighbors[i], j = -1, l = candidates.length, x;
-        while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;
-        return Math.random() * size;
-      }
-      return force.resume();
-    };
-    force.resume = function() {
-      return force.alpha(.1);
-    };
-    force.stop = function() {
-      return force.alpha(0);
-    };
-    force.drag = function() {
-      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
-      if (!arguments.length) return drag;
-      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
-    };
-    function dragmove(d) {
-      d.px = d3.event.x, d.py = d3.event.y;
-      force.resume();
-    }
-    return d3.rebind(force, event, "on");
-  };
-  function d3_layout_forceDragstart(d) {
-    d.fixed |= 2;
-  }
-  function d3_layout_forceDragend(d) {
-    d.fixed &= ~6;
-  }
-  function d3_layout_forceMouseover(d) {
-    d.fixed |= 4;
-    d.px = d.x, d.py = d.y;
-  }
-  function d3_layout_forceMouseout(d) {
-    d.fixed &= ~4;
-  }
-  function d3_layout_forceAccumulate(quad, alpha, charges) {
-    var cx = 0, cy = 0;
-    quad.charge = 0;
-    if (!quad.leaf) {
-      var nodes = quad.nodes, n = nodes.length, i = -1, c;
-      while (++i < n) {
-        c = nodes[i];
-        if (c == null) continue;
-        d3_layout_forceAccumulate(c, alpha, charges);
-        quad.charge += c.charge;
-        cx += c.charge * c.cx;
-        cy += c.charge * c.cy;
-      }
-    }
-    if (quad.point) {
-      if (!quad.leaf) {
-        quad.point.x += Math.random() - .5;
-        quad.point.y += Math.random() - .5;
-      }
-      var k = alpha * charges[quad.point.index];
-      quad.charge += quad.pointCharge = k;
-      cx += k * quad.point.x;
-      cy += k * quad.point.y;
-    }
-    quad.cx = cx / quad.charge;
-    quad.cy = cy / quad.charge;
-  }
-  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
-  d3.layout.hierarchy = function() {
-    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
-    function hierarchy(root) {
-      var stack = [ root ], nodes = [], node;
-      root.depth = 0;
-      while ((node = stack.pop()) != null) {
-        nodes.push(node);
-        if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
-          var n, childs, child;
-          while (--n >= 0) {
-            stack.push(child = childs[n]);
-            child.parent = node;
-            child.depth = node.depth + 1;
-          }
-          if (value) node.value = 0;
-          node.children = childs;
-        } else {
-          if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
-          delete node.children;
-        }
-      }
-      d3_layout_hierarchyVisitAfter(root, function(node) {
-        var childs, parent;
-        if (sort && (childs = node.children)) childs.sort(sort);
-        if (value && (parent = node.parent)) parent.value += node.value;
-      });
-      return nodes;
-    }
-    hierarchy.sort = function(x) {
-      if (!arguments.length) return sort;
-      sort = x;
-      return hierarchy;
-    };
-    hierarchy.children = function(x) {
-      if (!arguments.length) return children;
-      children = x;
-      return hierarchy;
-    };
-    hierarchy.value = function(x) {
-      if (!arguments.length) return value;
-      value = x;
-      return hierarchy;
-    };
-    hierarchy.revalue = function(root) {
-      if (value) {
-        d3_layout_hierarchyVisitBefore(root, function(node) {
-          if (node.children) node.value = 0;
-        });
-        d3_layout_hierarchyVisitAfter(root, function(node) {
-          var parent;
-          if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
-          if (parent = node.parent) parent.value += node.value;
-        });
-      }
-      return root;
-    };
-    return hierarchy;
-  };
-  function d3_layout_hierarchyRebind(object, hierarchy) {
-    d3.rebind(object, hierarchy, "sort", "children", "value");
-    object.nodes = object;
-    object.links = d3_layout_hierarchyLinks;
-    return object;
-  }
-  function d3_layout_hierarchyVisitBefore(node, callback) {
-    var nodes = [ node ];
-    while ((node = nodes.pop()) != null) {
-      callback(node);
-      if ((children = node.children) && (n = children.length)) {
-        var n, children;
-        while (--n >= 0) nodes.push(children[n]);
-      }
-    }
-  }
-  function d3_layout_hierarchyVisitAfter(node, callback) {
-    var nodes = [ node ], nodes2 = [];
-    while ((node = nodes.pop()) != null) {
-      nodes2.push(node);
-      if ((children = node.children) && (n = children.length)) {
-        var i = -1, n, children;
-        while (++i < n) nodes.push(children[i]);
-      }
-    }
-    while ((node = nodes2.pop()) != null) {
-      callback(node);
-    }
-  }
-  function d3_layout_hierarchyChildren(d) {
-    return d.children;
-  }
-  function d3_layout_hierarchyValue(d) {
-    return d.value;
-  }
-  function d3_layout_hierarchySort(a, b) {
-    return b.value - a.value;
-  }
-  function d3_layout_hierarchyLinks(nodes) {
-    return d3.merge(nodes.map(function(parent) {
-      return (parent.children || []).map(function(child) {
-        return {
-          source: parent,
-          target: child
-        };
-      });
-    }));
-  }
-  d3.layout.partition = function() {
-    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
-    function position(node, x, dx, dy) {
-      var children = node.children;
-      node.x = x;
-      node.y = node.depth * dy;
-      node.dx = dx;
-      node.dy = dy;
-      if (children && (n = children.length)) {
-        var i = -1, n, c, d;
-        dx = node.value ? dx / node.value : 0;
-        while (++i < n) {
-          position(c = children[i], x, d = c.value * dx, dy);
-          x += d;
-        }
-      }
-    }
-    function depth(node) {
-      var children = node.children, d = 0;
-      if (children && (n = children.length)) {
-        var i = -1, n;
-        while (++i < n) d = Math.max(d, depth(children[i]));
-      }
-      return 1 + d;
-    }
-    function partition(d, i) {
-      var nodes = hierarchy.call(this, d, i);
-      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
-      return nodes;
-    }
-    partition.size = function(x) {
-      if (!arguments.length) return size;
-      size = x;
-      return partition;
-    };
-    return d3_layout_hierarchyRebind(partition, hierarchy);
-  };
-  d3.layout.pie = function() {
-    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
-    function pie(data) {
-      var n = data.length, values = data.map(function(d, i) {
-        return +value.call(pie, d, i);
-      }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v;
-      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
-        return values[j] - values[i];
-      } : function(i, j) {
-        return sort(data[i], data[j]);
-      });
-      index.forEach(function(i) {
-        arcs[i] = {
-          data: data[i],
-          value: v = values[i],
-          startAngle: a,
-          endAngle: a += v * k + pa,
-          padAngle: p
-        };
-      });
-      return arcs;
-    }
-    pie.value = function(_) {
-      if (!arguments.length) return value;
-      value = _;
-      return pie;
-    };
-    pie.sort = function(_) {
-      if (!arguments.length) return sort;
-      sort = _;
-      return pie;
-    };
-    pie.startAngle = function(_) {
-      if (!arguments.length) return startAngle;
-      startAngle = _;
-      return pie;
-    };
-    pie.endAngle = function(_) {
-      if (!arguments.length) return endAngle;
-      endAngle = _;
-      return pie;
-    };
-    pie.padAngle = function(_) {
-      if (!arguments.length) return padAngle;
-      padAngle = _;
-      return pie;
-    };
-    return pie;
-  };
-  var d3_layout_pieSortByValue = {};
-  d3.layout.stack = function() {
-    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
-    function stack(data, index) {
-      if (!(n = data.length)) return data;
-      var series = data.map(function(d, i) {
-        return values.call(stack, d, i);
-      });
-      var points = series.map(function(d) {
-        return d.map(function(v, i) {
-          return [ x.call(stack, v, i), y.call(stack, v, i) ];
-        });
-      });
-      var orders = order.call(stack, points, index);
-      series = d3.permute(series, orders);
-      points = d3.permute(points, orders);
-      var offsets = offset.call(stack, points, index);
-      var m = series[0].length, n, i, j, o;
-      for (j = 0; j < m; ++j) {
-        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
-        for (i = 1; i < n; ++i) {
-          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
-        }
-      }
-      return data;
-    }
-    stack.values = function(x) {
-      if (!arguments.length) return values;
-      values = x;
-      return stack;
-    };
-    stack.order = function(x) {
-      if (!arguments.length) return order;
-      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
-      return stack;
-    };
-    stack.offset = function(x) {
-      if (!arguments.length) return offset;
-      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
-      return stack;
-    };
-    stack.x = function(z) {
-      if (!arguments.length) return x;
-      x = z;
-      return stack;
-    };
-    stack.y = function(z) {
-      if (!arguments.length) return y;
-      y = z;
-      return stack;
-    };
-    stack.out = function(z) {
-      if (!arguments.length) return out;
-      out = z;
-      return stack;
-    };
-    return stack;
-  };
-  function d3_layout_stackX(d) {
-    return d.x;
-  }
-  function d3_layout_stackY(d) {
-    return d.y;
-  }
-  function d3_layout_stackOut(d, y0, y) {
-    d.y0 = y0;
-    d.y = y;
-  }
-  var d3_layout_stackOrders = d3.map({
-    "inside-out": function(data) {
-      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
-        return max[a] - max[b];
-      }), top = 0, bottom = 0, tops = [], bottoms = [];
-      for (i = 0; i < n; ++i) {
-        j = index[i];
-        if (top < bottom) {
-          top += sums[j];
-          tops.push(j);
-        } else {
-          bottom += sums[j];
-          bottoms.push(j);
-        }
-      }
-      return bottoms.reverse().concat(tops);
-    },
-    reverse: function(data) {
-      return d3.range(data.length).reverse();
-    },
-    "default": d3_layout_stackOrderDefault
-  });
-  var d3_layout_stackOffsets = d3.map({
-    silhouette: function(data) {
-      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
-      for (j = 0; j < m; ++j) {
-        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-        if (o > max) max = o;
-        sums.push(o);
-      }
-      for (j = 0; j < m; ++j) {
-        y0[j] = (max - sums[j]) / 2;
-      }
-      return y0;
-    },
-    wiggle: function(data) {
-      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
-      y0[0] = o = o0 = 0;
-      for (j = 1; j < m; ++j) {
-        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
-        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
-          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
-            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
-          }
-          s2 += s3 * data[i][j][1];
-        }
-        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
-        if (o < o0) o0 = o;
-      }
-      for (j = 0; j < m; ++j) y0[j] -= o0;
-      return y0;
-    },
-    expand: function(data) {
-      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
-      for (j = 0; j < m; ++j) {
-        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
-      }
-      for (j = 0; j < m; ++j) y0[j] = 0;
-      return y0;
-    },
-    zero: d3_layout_stackOffsetZero
-  });
-  function d3_layout_stackOrderDefault(data) {
-    return d3.range(data.length);
-  }
-  function d3_layout_stackOffsetZero(data) {
-    var j = -1, m = data[0].length, y0 = [];
-    while (++j < m) y0[j] = 0;
-    return y0;
-  }
-  function d3_layout_stackMaxIndex(array) {
-    var i = 1, j = 0, v = array[0][1], k, n = array.length;
-    for (;i < n; ++i) {
-      if ((k = array[i][1]) > v) {
-        j = i;
-        v = k;
-      }
-    }
-    return j;
-  }
-  function d3_layout_stackReduceSum(d) {
-    return d.reduce(d3_layout_stackSum, 0);
-  }
-  function d3_layout_stackSum(p, d) {
-    return p + d[1];
-  }
-  d3.layout.histogram = function() {
-    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
-    function histogram(data, i) {
-      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
-      while (++i < m) {
-        bin = bins[i] = [];
-        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
-        bin.y = 0;
-      }
-      if (m > 0) {
-        i = -1;
-        while (++i < n) {
-          x = values[i];
-          if (x >= range[0] && x <= range[1]) {
-            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
-            bin.y += k;
-            bin.push(data[i]);
-          }
-        }
-      }
-      return bins;
-    }
-    histogram.value = function(x) {
-      if (!arguments.length) return valuer;
-      valuer = x;
-      return histogram;
-    };
-    histogram.range = function(x) {
-      if (!arguments.length) return ranger;
-      ranger = d3_functor(x);
-      return histogram;
-    };
-    histogram.bins = function(x) {
-      if (!arguments.length) return binner;
-      binner = typeof x === "number" ? function(range) {
-        return d3_layout_histogramBinFixed(range, x);
-      } : d3_functor(x);
-      return histogram;
-    };
-    histogram.frequency = function(x) {
-      if (!arguments.length) return frequency;
-      frequency = !!x;
-      return histogram;
-    };
-    return histogram;
-  };
-  function d3_layout_histogramBinSturges(range, values) {
-    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
-  }
-  function d3_layout_histogramBinFixed(range, n) {
-    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
-    while (++x <= n) f[x] = m * x + b;
-    return f;
-  }
-  function d3_layout_histogramRange(values) {
-    return [ d3.min(values), d3.max(values) ];
-  }
-  d3.layout.pack = function() {
-    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
-    function pack(d, i) {
-      var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
-        return radius;
-      };
-      root.x = root.y = 0;
-      d3_layout_hierarchyVisitAfter(root, function(d) {
-        d.r = +r(d.value);
-      });
-      d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
-      if (padding) {
-        var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
-        d3_layout_hierarchyVisitAfter(root, function(d) {
-          d.r += dr;
-        });
-        d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
-        d3_layout_hierarchyVisitAfter(root, function(d) {
-          d.r -= dr;
-        });
-      }
-      d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
-      return nodes;
-    }
-    pack.size = function(_) {
-      if (!arguments.length) return size;
-      size = _;
-      return pack;
-    };
-    pack.radius = function(_) {
-      if (!arguments.length) return radius;
-      radius = _ == null || typeof _ === "function" ? _ : +_;
-      return pack;
-    };
-    pack.padding = function(_) {
-      if (!arguments.length) return padding;
-      padding = +_;
-      return pack;
-    };
-    return d3_layout_hierarchyRebind(pack, hierarchy);
-  };
-  function d3_layout_packSort(a, b) {
-    return a.value - b.value;
-  }
-  function d3_layout_packInsert(a, b) {
-    var c = a._pack_next;
-    a._pack_next = b;
-    b._pack_prev = a;
-    b._pack_next = c;
-    c._pack_prev = b;
-  }
-  function d3_layout_packSplice(a, b) {
-    a._pack_next = b;
-    b._pack_prev = a;
-  }
-  function d3_layout_packIntersects(a, b) {
-    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
-    return .999 * dr * dr > dx * dx + dy * dy;
-  }
-  function d3_layout_packSiblings(node) {
-    if (!(nodes = node.children) || !(n = nodes.length)) return;
-    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
-    function bound(node) {
-      xMin = Math.min(node.x - node.r, xMin);
-      xMax = Math.max(node.x + node.r, xMax);
-      yMin = Math.min(node.y - node.r, yMin);
-      yMax = Math.max(node.y + node.r, yMax);
-    }
-    nodes.forEach(d3_layout_packLink);
-    a = nodes[0];
-    a.x = -a.r;
-    a.y = 0;
-    bound(a);
-    if (n > 1) {
-      b = nodes[1];
-      b.x = b.r;
-      b.y = 0;
-      bound(b);
-      if (n > 2) {
-        c = nodes[2];
-        d3_layout_packPlace(a, b, c);
-        bound(c);
-        d3_layout_packInsert(a, c);
-        a._pack_prev = c;
-        d3_layout_packInsert(c, b);
-        b = a._pack_next;
-        for (i = 3; i < n; i++) {
-          d3_layout_packPlace(a, b, c = nodes[i]);
-          var isect = 0, s1 = 1, s2 = 1;
-          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
-            if (d3_layout_packIntersects(j, c)) {
-              isect = 1;
-              break;
-            }
-          }
-          if (isect == 1) {
-            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
-              if (d3_layout_packIntersects(k, c)) {
-                break;
-              }
-            }
-          }
-          if (isect) {
-            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
-            i--;
-          } else {
-            d3_layout_packInsert(a, c);
-            b = c;
-            bound(c);
-          }
-        }
-      }
-    }
-    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
-    for (i = 0; i < n; i++) {
-      c = nodes[i];
-      c.x -= cx;
-      c.y -= cy;
-      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
-    }
-    node.r = cr;
-    nodes.forEach(d3_layout_packUnlink);
-  }
-  function d3_layout_packLink(node) {
-    node._pack_next = node._pack_prev = node;
-  }
-  function d3_layout_packUnlink(node) {
-    delete node._pack_next;
-    delete node._pack_prev;
-  }
-  function d3_layout_packTransform(node, x, y, k) {
-    var children = node.children;
-    node.x = x += k * node.x;
-    node.y = y += k * node.y;
-    node.r *= k;
-    if (children) {
-      var i = -1, n = children.length;
-      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
-    }
-  }
-  function d3_layout_packPlace(a, b, c) {
-    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
-    if (db && (dx || dy)) {
-      var da = b.r + c.r, dc = dx * dx + dy * dy;
-      da *= da;
-      db *= db;
-      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
-      c.x = a.x + x * dx + y * dy;
-      c.y = a.y + x * dy - y * dx;
-    } else {
-      c.x = a.x + db;
-      c.y = a.y;
-    }
-  }
-  d3.layout.tree = function() {
-    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
-    function tree(d, i) {
-      var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
-      d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
-      d3_layout_hierarchyVisitBefore(root1, secondWalk);
-      if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
-        var left = root0, right = root0, bottom = root0;
-        d3_layout_hierarchyVisitBefore(root0, function(node) {
-          if (node.x < left.x) left = node;
-          if (node.x > right.x) right = node;
-          if (node.depth > bottom.depth) bottom = node;
-        });
-        var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
-        d3_layout_hierarchyVisitBefore(root0, function(node) {
-          node.x = (node.x + tx) * kx;
-          node.y = node.depth * ky;
-        });
-      }
-      return nodes;
-    }
-    function wrapTree(root0) {
-      var root1 = {
-        A: null,
-        children: [ root0 ]
-      }, queue = [ root1 ], node1;
-      while ((node1 = queue.pop()) != null) {
-        for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
-          queue.push((children[i] = child = {
-            _: children[i],
-            parent: node1,
-            children: (child = children[i].children) && child.slice() || [],
-            A: null,
-            a: null,
-            z: 0,
-            m: 0,
-            c: 0,
-            s: 0,
-            t: null,
-            i: i
-          }).a = child);
-        }
-      }
-      return root1.children[0];
-    }
-    function firstWalk(v) {
-      var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
-      if (children.length) {
-        d3_layout_treeShift(v);
-        var midpoint = (children[0].z + children[children.length - 1].z) / 2;
-        if (w) {
-          v.z = w.z + separation(v._, w._);
-          v.m = v.z - midpoint;
-        } else {
-          v.z = midpoint;
-        }
-      } else if (w) {
-        v.z = w.z + separation(v._, w._);
-      }
-      v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
-    }
-    function secondWalk(v) {
-      v._.x = v.z + v.parent.m;
-      v.m += v.parent.m;
-    }
-    function apportion(v, w, ancestor) {
-      if (w) {
-        var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
-        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
-          vom = d3_layout_treeLeft(vom);
-          vop = d3_layout_treeRight(vop);
-          vop.a = v;
-          shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
-          if (shift > 0) {
-            d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
-            sip += shift;
-            sop += shift;
-          }
-          sim += vim.m;
-          sip += vip.m;
-          som += vom.m;
-          sop += vop.m;
-        }
-        if (vim && !d3_layout_treeRight(vop)) {
-          vop.t = vim;
-          vop.m += sim - sop;
-        }
-        if (vip && !d3_layout_treeLeft(vom)) {
-          vom.t = vip;
-          vom.m += sip - som;
-          ancestor = v;
-        }
-      }
-      return ancestor;
-    }
-    function sizeNode(node) {
-      node.x *= size[0];
-      node.y = node.depth * size[1];
-    }
-    tree.separation = function(x) {
-      if (!arguments.length) return separation;
-      separation = x;
-      return tree;
-    };
-    tree.size = function(x) {
-      if (!arguments.length) return nodeSize ? null : size;
-      nodeSize = (size = x) == null ? sizeNode : null;
-      return tree;
-    };
-    tree.nodeSize = function(x) {
-      if (!arguments.length) return nodeSize ? size : null;
-      nodeSize = (size = x) == null ? null : sizeNode;
-      return tree;
-    };
-    return d3_layout_hierarchyRebind(tree, hierarchy);
-  };
-  function d3_layout_treeSeparation(a, b) {
-    return a.parent == b.parent ? 1 : 2;
-  }
-  function d3_layout_treeLeft(v) {
-    var children = v.children;
-    return children.length ? children[0] : v.t;
-  }
-  function d3_layout_treeRight(v) {
-    var children = v.children, n;
-    return (n = children.length) ? children[n - 1] : v.t;
-  }
-  function d3_layout_treeMove(wm, wp, shift) {
-    var change = shift / (wp.i - wm.i);
-    wp.c -= change;
-    wp.s += shift;
-    wm.c += change;
-    wp.z += shift;
-    wp.m += shift;
-  }
-  function d3_layout_treeShift(v) {
-    var shift = 0, change = 0, children = v.children, i = children.length, w;
-    while (--i >= 0) {
-      w = children[i];
-      w.z += shift;
-      w.m += shift;
-      shift += w.s + (change += w.c);
-    }
-  }
-  function d3_layout_treeAncestor(vim, v, ancestor) {
-    return vim.a.parent === v.parent ? vim.a : ancestor;
-  }
-  d3.layout.cluster = function() {
-    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
-    function cluster(d, i) {
-      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
-      d3_layout_hierarchyVisitAfter(root, function(node) {
-        var children = node.children;
-        if (children && children.length) {
-          node.x = d3_layout_clusterX(children);
-          node.y = d3_layout_clusterY(children);
-        } else {
-          node.x = previousNode ? x += separation(node, previousNode) : 0;
-          node.y = 0;
-          previousNode = node;
-        }
-      });
-      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
-      d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
-        node.x = (node.x - root.x) * size[0];
-        node.y = (root.y - node.y) * size[1];
-      } : function(node) {
-        node.x = (node.x - x0) / (x1 - x0) * size[0];
-        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
-      });
-      return nodes;
-    }
-    cluster.separation = function(x) {
-      if (!arguments.length) return separation;
-      separation = x;
-      return cluster;
-    };
-    cluster.size = function(x) {
-      if (!arguments.length) return nodeSize ? null : size;
-      nodeSize = (size = x) == null;
-      return cluster;
-    };
-    cluster.nodeSize = function(x) {
-      if (!arguments.length) return nodeSize ? size : null;
-      nodeSize = (size = x) != null;
-      return cluster;
-    };
-    return d3_layout_hierarchyRebind(cluster, hierarchy);
-  };
-  function d3_layout_clusterY(children) {
-    return 1 + d3.max(children, function(child) {
-      return child.y;
-    });
-  }
-  function d3_layout_clusterX(children) {
-    return children.reduce(function(x, child) {
-      return x + child.x;
-    }, 0) / children.length;
-  }
-  function d3_layout_clusterLeft(node) {
-    var children = node.children;
-    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
-  }
-  function d3_layout_clusterRight(node) {
-    var children = node.children, n;
-    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
-  }
-  d3.layout.treemap = function() {
-    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
-    function scale(children, k) {
-      var i = -1, n = children.length, child, area;
-      while (++i < n) {
-        area = (child = children[i]).value * (k < 0 ? 0 : k);
-        child.area = isNaN(area) || area <= 0 ? 0 : area;
-      }
-    }
-    function squarify(node) {
-      var children = node.children;
-      if (children && children.length) {
-        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
-        scale(remaining, rect.dx * rect.dy / node.value);
-        row.area = 0;
-        while ((n = remaining.length) > 0) {
-          row.push(child = remaining[n - 1]);
-          row.area += child.area;
-          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
-            remaining.pop();
-            best = score;
-          } else {
-            row.area -= row.pop().area;
-            position(row, u, rect, false);
-            u = Math.min(rect.dx, rect.dy);
-            row.length = row.area = 0;
-            best = Infinity;
-          }
-        }
-        if (row.length) {
-          position(row, u, rect, true);
-          row.length = row.area = 0;
-        }
-        children.forEach(squarify);
-      }
-    }
-    function stickify(node) {
-      var children = node.children;
-      if (children && children.length) {
-        var rect = pad(node), remaining = children.slice(), child, row = [];
-        scale(remaining, rect.dx * rect.dy / node.value);
-        row.area = 0;
-        while (child = remaining.pop()) {
-          row.push(child);
-          row.area += child.area;
-          if (child.z != null) {
-            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
-            row.length = row.area = 0;
-          }
-        }
-        children.forEach(stickify);
-      }
-    }
-    function worst(row, u) {
-      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
-      while (++i < n) {
-        if (!(r = row[i].area)) continue;
-        if (r < rmin) rmin = r;
-        if (r > rmax) rmax = r;
-      }
-      s *= s;
-      u *= u;
-      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
-    }
-    function position(row, u, rect, flush) {
-      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
-      if (u == rect.dx) {
-        if (flush || v > rect.dy) v = rect.dy;
-        while (++i < n) {
-          o = row[i];
-          o.x = x;
-          o.y = y;
-          o.dy = v;
-          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
-        }
-        o.z = true;
-        o.dx += rect.x + rect.dx - x;
-        rect.y += v;
-        rect.dy -= v;
-      } else {
-        if (flush || v > rect.dx) v = rect.dx;
-        while (++i < n) {
-          o = row[i];
-          o.x = x;
-          o.y = y;
-          o.dx = v;
-          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
-        }
-        o.z = false;
-        o.dy += rect.y + rect.dy - y;
-        rect.x += v;
-        rect.dx -= v;
-      }
-    }
-    function treemap(d) {
-      var nodes = stickies || hierarchy(d), root = nodes[0];
-      root.x = 0;
-      root.y = 0;
-      root.dx = size[0];
-      root.dy = size[1];
-      if (stickies) hierarchy.revalue(root);
-      scale([ root ], root.dx * root.dy / root.value);
-      (stickies ? stickify : squarify)(root);
-      if (sticky) stickies = nodes;
-      return nodes;
-    }
-    treemap.size = function(x) {
-      if (!arguments.length) return size;
-      size = x;
-      return treemap;
-    };
-    treemap.padding = function(x) {
-      if (!arguments.length) return padding;
-      function padFunction(node) {
-        var p = x.call(treemap, node, node.depth);
-        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
-      }
-      function padConstant(node) {
-        return d3_layout_treemapPad(node, x);
-      }
-      var type;
-      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
-      padConstant) : padConstant;
-      return treemap;
-    };
-    treemap.round = function(x) {
-      if (!arguments.length) return round != Number;
-      round = x ? Math.round : Number;
-      return treemap;
-    };
-    treemap.sticky = function(x) {
-      if (!arguments.length) return sticky;
-      sticky = x;
-      stickies = null;
-      return treemap;
-    };
-    treemap.ratio = function(x) {
-      if (!arguments.length) return ratio;
-      ratio = x;
-      return treemap;
-    };
-    treemap.mode = function(x) {
-      if (!arguments.length) return mode;
-      mode = x + "";
-      return treemap;
-    };
-    return d3_layout_hierarchyRebind(treemap, hierarchy);
-  };
-  function d3_layout_treemapPadNull(node) {
-    return {
-      x: node.x,
-      y: node.y,
-      dx: node.dx,
-      dy: node.dy
-    };
-  }
-  function d3_layout_treemapPad(node, padding) {
-    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
-    if (dx < 0) {
-      x += dx / 2;
-      dx = 0;
-    }
-    if (dy < 0) {
-      y += dy / 2;
-      dy = 0;
-    }
-    return {
-      x: x,
-      y: y,
-      dx: dx,
-      dy: dy
-    };
-  }
-  d3.random = {
-    normal: function(µ, σ) {
-      var n = arguments.length;
-      if (n < 2) σ = 1;
-      if (n < 1) µ = 0;
-      return function() {
-        var x, y, r;
-        do {
-          x = Math.random() * 2 - 1;
-          y = Math.random() * 2 - 1;
-          r = x * x + y * y;
-        } while (!r || r > 1);
-        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
-      };
-    },
-    logNormal: function() {
-      var random = d3.random.normal.apply(d3, arguments);
-      return function() {
-        return Math.exp(random());
-      };
-    },
-    bates: function(m) {
-      var random = d3.random.irwinHall(m);
-      return function() {
-        return random() / m;
-      };
-    },
-    irwinHall: function(m) {
-      return function() {
-        for (var s = 0, j = 0; j < m; j++) s += Math.random();
-        return s;
-      };
-    }
-  };
-  d3.scale = {};
-  function d3_scaleExtent(domain) {
-    var start = domain[0], stop = domain[domain.length - 1];
-    return start < stop ? [ start, stop ] : [ stop, start ];
-  }
-  function d3_scaleRange(scale) {
-    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
-  }
-  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
-    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
-    return function(x) {
-      return i(u(x));
-    };
-  }
-  function d3_scale_nice(domain, nice) {
-    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
-    if (x1 < x0) {
-      dx = i0, i0 = i1, i1 = dx;
-      dx = x0, x0 = x1, x1 = dx;
-    }
-    domain[i0] = nice.floor(x0);
-    domain[i1] = nice.ceil(x1);
-    return domain;
-  }
-  function d3_scale_niceStep(step) {
-    return step ? {
-      floor: function(x) {
-        return Math.floor(x / step) * step;
-      },
-      ceil: function(x) {
-        return Math.ceil(x / step) * step;
-      }
-    } : d3_scale_niceIdentity;
-  }
-  var d3_scale_niceIdentity = {
-    floor: d3_identity,
-    ceil: d3_identity
-  };
-  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
-    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
-    if (domain[k] < domain[0]) {
-      domain = domain.slice().reverse();
-      range = range.slice().reverse();
-    }
-    while (++j <= k) {
-      u.push(uninterpolate(domain[j - 1], domain[j]));
-      i.push(interpolate(range[j - 1], range[j]));
-    }
-    return function(x) {
-      var j = d3.bisect(domain, x, 1, k) - 1;
-      return i[j](u[j](x));
-    };
-  }
-  d3.scale.linear = function() {
-    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
-  };
-  function d3_scale_linear(domain, range, interpolate, clamp) {
-    var output, input;
-    function rescale() {
-      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
-      output = linear(domain, range, uninterpolate, interpolate);
-      input = linear(range, domain, uninterpolate, d3_interpolate);
-      return scale;
-    }
-    function scale(x) {
-      return output(x);
-    }
-    scale.invert = function(y) {
-      return input(y);
-    };
-    scale.domain = function(x) {
-      if (!arguments.length) return domain;
-      domain = x.map(Number);
-      return rescale();
-    };
-    scale.range = function(x) {
-      if (!arguments.length) return range;
-      range = x;
-      return rescale();
-    };
-    scale.rangeRound = function(x) {
-      return scale.range(x).interpolate(d3_interpolateRound);
-    };
-    scale.clamp = function(x) {
-      if (!arguments.length) return clamp;
-      clamp = x;
-      return rescale();
-    };
-    scale.interpolate = function(x) {
-      if (!arguments.length) return interpolate;
-      interpolate = x;
-      return rescale();
-    };
-    scale.ticks = function(m) {
-      return d3_scale_linearTicks(domain, m);
-    };
-    scale.tickFormat = function(m, format) {
-      return d3_scale_linearTickFormat(domain, m, format);
-    };
-    scale.nice = function(m) {
-      d3_scale_linearNice(domain, m);
-      return rescale();
-    };
-    scale.copy = function() {
-      return d3_scale_linear(domain, range, interpolate, clamp);
-    };
-    return rescale();
-  }
-  function d3_scale_linearRebind(scale, linear) {
-    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-  }
-  function d3_scale_linearNice(domain, m) {
-    return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
-  }
-  function d3_scale_linearTickRange(domain, m) {
-    if (m == null) m = 10;
-    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
-    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
-    extent[0] = Math.ceil(extent[0] / step) * step;
-    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
-    extent[2] = step;
-    return extent;
-  }
-  function d3_scale_linearTicks(domain, m) {
-    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
-  }
-  function d3_scale_linearTickFormat(domain, m, format) {
-    var range = d3_scale_linearTickRange(domain, m);
-    if (format) {
-      var match = d3_format_re.exec(format);
-      match.shift();
-      if (match[8] === "s") {
-        var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
-        if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
-        match[8] = "f";
-        format = d3.format(match.join(""));
-        return function(d) {
-          return format(prefix.scale(d)) + prefix.symbol;
-        };
-      }
-      if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
-      format = match.join("");
-    } else {
-      format = ",." + d3_scale_linearPrecision(range[2]) + "f";
-    }
-    return d3.format(format);
-  }
-  var d3_scale_linearFormatSignificant = {
-    s: 1,
-    g: 1,
-    p: 1,
-    r: 1,
-    e: 1
-  };
-  function d3_scale_linearPrecision(value) {
-    return -Math.floor(Math.log(value) / Math.LN10 + .01);
-  }
-  function d3_scale_linearFormatPrecision(type, range) {
-    var p = d3_scale_linearPrecision(range[2]);
-    return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
-  }
-  d3.scale.log = function() {
-    return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
-  };
-  function d3_scale_log(linear, base, positive, domain) {
-    function log(x) {
-      return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
-    }
-    function pow(x) {
-      return positive ? Math.pow(base, x) : -Math.pow(base, -x);
-    }
-    function scale(x) {
-      return linear(log(x));
-    }
-    scale.invert = function(x) {
-      return pow(linear.invert(x));
-    };
-    scale.domain = function(x) {
-      if (!arguments.length) return domain;
-      positive = x[0] >= 0;
-      linear.domain((domain = x.map(Number)).map(log));
-      return scale;
-    };
-    scale.base = function(_) {
-      if (!arguments.length) return base;
-      base = +_;
-      linear.domain(domain.map(log));
-      return scale;
-    };
-    scale.nice = function() {
-      var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
-      linear.domain(niced);
-      domain = niced.map(pow);
-      return scale;
-    };
-    scale.ticks = function() {
-      var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
-      if (isFinite(j - i)) {
-        if (positive) {
-          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
-          ticks.push(pow(i));
-        } else {
-          ticks.push(pow(i));
-          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
-        }
-        for (i = 0; ticks[i] < u; i++) {}
-        for (j = ticks.length; ticks[j - 1] > v; j--) {}
-        ticks = ticks.slice(i, j);
-      }
-      return ticks;
-    };
-    scale.tickFormat = function(n, format) {
-      if (!arguments.length) return d3_scale_logFormat;
-      if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
-      var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, 
-      Math.floor), e;
-      return function(d) {
-        return d / pow(f(log(d) + e)) <= k ? format(d) : "";
-      };
-    };
-    scale.copy = function() {
-      return d3_scale_log(linear.copy(), base, positive, domain);
-    };
-    return d3_scale_linearRebind(scale, linear);
-  }
-  var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
-    floor: function(x) {
-      return -Math.ceil(-x);
-    },
-    ceil: function(x) {
-      return -Math.floor(-x);
-    }
-  };
-  d3.scale.pow = function() {
-    return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
-  };
-  function d3_scale_pow(linear, exponent, domain) {
-    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
-    function scale(x) {
-      return linear(powp(x));
-    }
-    scale.invert = function(x) {
-      return powb(linear.invert(x));
-    };
-    scale.domain = function(x) {
-      if (!arguments.length) return domain;
-      linear.domain((domain = x.map(Number)).map(powp));
-      return scale;
-    };
-    scale.ticks = function(m) {
-      return d3_scale_linearTicks(domain, m);
-    };
-    scale.tickFormat = function(m, format) {
-      return d3_scale_linearTickFormat(domain, m, format);
-    };
-    scale.nice = function(m) {
-      return scale.domain(d3_scale_linearNice(domain, m));
-    };
-    scale.exponent = function(x) {
-      if (!arguments.length) return exponent;
-      powp = d3_scale_powPow(exponent = x);
-      powb = d3_scale_powPow(1 / exponent);
-      linear.domain(domain.map(powp));
-      return scale;
-    };
-    scale.copy = function() {
-      return d3_scale_pow(linear.copy(), exponent, domain);
-    };
-    return d3_scale_linearRebind(scale, linear);
-  }
-  function d3_scale_powPow(e) {
-    return function(x) {
-      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
-    };
-  }
-  d3.scale.sqrt = function() {
-    return d3.scale.pow().exponent(.5);
-  };
-  d3.scale.ordinal = function() {
-    return d3_scale_ordinal([], {
-      t: "range",
-      a: [ [] ]
-    });
-  };
-  function d3_scale_ordinal(domain, ranger) {
-    var index, range, rangeBand;
-    function scale(x) {
-      return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
-    }
-    function steps(start, step) {
-      return d3.range(domain.length).map(function(i) {
-        return start + step * i;
-      });
-    }
-    scale.domain = function(x) {
-      if (!arguments.length) return domain;
-      domain = [];
-      index = new d3_Map();
-      var i = -1, n = x.length, xi;
-      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
-      return scale[ranger.t].apply(scale, ranger.a);
-    };
-    scale.range = function(x) {
-      if (!arguments.length) return range;
-      range = x;
-      rangeBand = 0;
-      ranger = {
-        t: "range",
-        a: arguments
-      };
-      return scale;
-    };
-    scale.rangePoints = function(x, padding) {
-      if (arguments.length < 2) padding = 0;
-      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, 
-      0) : (stop - start) / (domain.length - 1 + padding);
-      range = steps(start + step * padding / 2, step);
-      rangeBand = 0;
-      ranger = {
-        t: "rangePoints",
-        a: arguments
-      };
-      return scale;
-    };
-    scale.rangeRoundPoints = function(x, padding) {
-      if (arguments.length < 2) padding = 0;
-      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), 
-      0) : (stop - start) / (domain.length - 1 + padding) | 0;
-      range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
-      rangeBand = 0;
-      ranger = {
-        t: "rangeRoundPoints",
-        a: arguments
-      };
-      return scale;
-    };
-    scale.rangeBands = function(x, padding, outerPadding) {
-      if (arguments.length < 2) padding = 0;
-      if (arguments.length < 3) outerPadding = padding;
-      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
-      range = steps(start + step * outerPadding, step);
-      if (reverse) range.reverse();
-      rangeBand = step * (1 - padding);
-      ranger = {
-        t: "rangeBands",
-        a: arguments
-      };
-      return scale;
-    };
-    scale.rangeRoundBands = function(x, padding, outerPadding) {
-      if (arguments.length < 2) padding = 0;
-      if (arguments.length < 3) outerPadding = padding;
-      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
-      range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
-      if (reverse) range.reverse();
-      rangeBand = Math.round(step * (1 - padding));
-      ranger = {
-        t: "rangeRoundBands",
-        a: arguments
-      };
-      return scale;
-    };
-    scale.rangeBand = function() {
-      return rangeBand;
-    };
-    scale.rangeExtent = function() {
-      return d3_scaleExtent(ranger.a[0]);
-    };
-    scale.copy = function() {
-      return d3_scale_ordinal(domain, ranger);
-    };
-    return scale.domain(domain);
-  }
-  d3.scale.category10 = function() {
-    return d3.scale.ordinal().range(d3_category10);
-  };
-  d3.scale.category20 = function() {
-    return d3.scale.ordinal().range(d3_category20);
-  };
-  d3.scale.category20b = function() {
-    return d3.scale.ordinal().range(d3_category20b);
-  };
-  d3.scale.category20c = function() {
-    return d3.scale.ordinal().range(d3_category20c);
-  };
-  var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
-  var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
-  var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
-  var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
-  d3.scale.quantile = function() {
-    return d3_scale_quantile([], []);
-  };
-  function d3_scale_quantile(domain, range) {
-    var thresholds;
-    function rescale() {
-      var k = 0, q = range.length;
-      thresholds = [];
-      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
-      return scale;
-    }
-    function scale(x) {
-      if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
-    }
-    scale.domain = function(x) {
-      if (!arguments.length) return domain;
-      domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
-      return rescale();
-    };
-    scale.range = function(x) {
-      if (!arguments.length) return range;
-      range = x;
-      return rescale();
-    };
-    scale.quantiles = function() {
-      return thresholds;
-    };
-    scale.invertExtent = function(y) {
-      y = range.indexOf(y);
-      return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
-    };
-    scale.copy = function() {
-      return d3_scale_quantile(domain, range);
-    };
-    return rescale();
-  }
-  d3.scale.quantize = function() {
-    return d3_scale_quantize(0, 1, [ 0, 1 ]);
-  };
-  function d3_scale_quantize(x0, x1, range) {
-    var kx, i;
-    function scale(x) {
-      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
-    }
-    function rescale() {
-      kx = range.length / (x1 - x0);
-      i = range.length - 1;
-      return scale;
-    }
-    scale.domain = function(x) {
-      if (!arguments.length) return [ x0, x1 ];
-      x0 = +x[0];
-      x1 = +x[x.length - 1];
-      return rescale();
-    };
-    scale.range = function(x) {
-      if (!arguments.length) return range;
-      range = x;
-      return rescale();
-    };
-    scale.invertExtent = function(y) {
-      y = range.indexOf(y);
-      y = y < 0 ? NaN : y / kx + x0;
-      return [ y, y + 1 / kx ];
-    };
-    scale.copy = function() {
-      return d3_scale_quantize(x0, x1, range);
-    };
-    return rescale();
-  }
-  d3.scale.threshold = function() {
-    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
-  };
-  function d3_scale_threshold(domain, range) {
-    function scale(x) {
-      if (x <= x) return range[d3.bisect(domain, x)];
-    }
-    scale.domain = function(_) {
-      if (!arguments.length) return domain;
-      domain = _;
-      return scale;
-    };
-    scale.range = function(_) {
-      if (!arguments.length) return range;
-      range = _;
-      return scale;
-    };
-    scale.invertExtent = function(y) {
-      y = range.indexOf(y);
-      return [ domain[y - 1], domain[y] ];
-    };
-    scale.copy = function() {
-      return d3_scale_threshold(domain, range);
-    };
-    return scale;
-  }
-  d3.scale.identity = function() {
-    return d3_scale_identity([ 0, 1 ]);
-  };
-  function d3_scale_identity(domain) {
-    function identity(x) {
-      return +x;
-    }
-    identity.invert = identity;
-    identity.domain = identity.range = function(x) {
-      if (!arguments.length) return domain;
-      domain = x.map(identity);
-      return identity;
-    };
-    identity.ticks = function(m) {
-      return d3_scale_linearTicks(domain, m);
-    };
-    identity.tickFormat = function(m, format) {
-      return d3_scale_linearTickFormat(domain, m, format);
-    };
-    identity.copy = function() {
-      return d3_scale_identity(domain);
-    };
-    return identity;
-  }
-  d3.svg = {};
-  function d3_zero() {
-    return 0;
-  }
-  d3.svg.arc = function() {
-    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
-    function arc() {
-      var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
-      if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
-      if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
-      var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
-      if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
-        rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
-        if (!cw) p1 *= -1;
-        if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
-        if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
-      }
-      if (r1) {
-        x0 = r1 * Math.cos(a0 + p1);
-        y0 = r1 * Math.sin(a0 + p1);
-        x1 = r1 * Math.cos(a1 - p1);
-        y1 = r1 * Math.sin(a1 - p1);
-        var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
-        if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
-          var h1 = (a0 + a1) / 2;
-          x0 = r1 * Math.cos(h1);
-          y0 = r1 * Math.sin(h1);
-          x1 = y1 = null;
-        }
-      } else {
-        x0 = y0 = 0;
-      }
-      if (r0) {
-        x2 = r0 * Math.cos(a1 - p0);
-        y2 = r0 * Math.sin(a1 - p0);
-        x3 = r0 * Math.cos(a0 + p0);
-        y3 = r0 * Math.sin(a0 + p0);
-        var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
-        if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
-          var h0 = (a0 + a1) / 2;
-          x2 = r0 * Math.cos(h0);
-          y2 = r0 * Math.sin(h0);
-          x3 = y3 = null;
-        }
-      } else {
-        x2 = y2 = 0;
-      }
-      if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
-        cr = r0 < r1 ^ cw ? 0 : 1;
-        var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
-        if (x1 != null) {
-          var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
-          if (rc === rc1) {
-            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
-          } else {
-            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
-          }
-        } else {
-          path.push("M", x0, ",", y0);
-        }
-        if (x3 != null) {
-          var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
-          if (rc === rc0) {
-            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
-          } else {
-            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
-          }
-        } else {
-          path.push("L", x2, ",", y2);
-        }
-      } else {
-        path.push("M", x0, ",", y0);
-        if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
-        path.push("L", x2, ",", y2);
-        if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
-      }
-      path.push("Z");
-      return path.join("");
-    }
-    function circleSegment(r1, cw) {
-      return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
-    }
-    arc.innerRadius = function(v) {
-      if (!arguments.length) return innerRadius;
-      innerRadius = d3_functor(v);
-      return arc;
-    };
-    arc.outerRadius = function(v) {
-      if (!arguments.length) return outerRadius;
-      outerRadius = d3_functor(v);
-      return arc;
-    };
-    arc.cornerRadius = function(v) {
-      if (!arguments.length) return cornerRadius;
-      cornerRadius = d3_functor(v);
-      return arc;
-    };
-    arc.padRadius = function(v) {
-      if (!arguments.length) return padRadius;
-      padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
-      return arc;
-    };
-    arc.startAngle = function(v) {
-      if (!arguments.length) return startAngle;
-      startAngle = d3_functor(v);
-      return arc;
-    };
-    arc.endAngle = function(v) {
-      if (!arguments.length) return endAngle;
-      endAngle = d3_functor(v);
-      return arc;
-    };
-    arc.padAngle = function(v) {
-      if (!arguments.length) return padAngle;
-      padAngle = d3_functor(v);
-      return arc;
-    };
-    arc.centroid = function() {
-      var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
-      return [ Math.cos(a) * r, Math.sin(a) * r ];
-    };
-    return arc;
-  };
-  var d3_svg_arcAuto = "auto";
-  function d3_svg_arcInnerRadius(d) {
-    return d.innerRadius;
-  }
-  function d3_svg_arcOuterRadius(d) {
-    return d.outerRadius;
-  }
-  function d3_svg_arcStartAngle(d) {
-    return d.startAngle;
-  }
-  function d3_svg_arcEndAngle(d) {
-    return d.endAngle;
-  }
-  function d3_svg_arcPadAngle(d) {
-    return d && d.padAngle;
-  }
-  function d3_svg_arcSweep(x0, y0, x1, y1) {
-    return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
-  }
-  function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
-    var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
-    if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
-    return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
-  }
-  function d3_svg_line(projection) {
-    var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
-    function line(data) {
-      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
-      function segment() {
-        segments.push("M", interpolate(projection(points), tension));
-      }
-      while (++i < n) {
-        if (defined.call(this, d = data[i], i)) {
-          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
-        } else if (points.length) {
-          segment();
-          points = [];
-        }
-      }
-      if (points.length) segment();
-      return segments.length ? segments.join("") : null;
-    }
-    line.x = function(_) {
-      if (!arguments.length) return x;
-      x = _;
-      return line;
-    };
-    line.y = function(_) {
-      if (!arguments.length) return y;
-      y = _;
-      return line;
-    };
-    line.defined = function(_) {
-      if (!arguments.length) return defined;
-      defined = _;
-      return line;
-    };
-    line.interpolate = function(_) {
-      if (!arguments.length) return interpolateKey;
-      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
-      return line;
-    };
-    line.tension = function(_) {
-      if (!arguments.length) return tension;
-      tension = _;
-      return line;
-    };
-    return line;
-  }
-  d3.svg.line = function() {
-    return d3_svg_line(d3_identity);
-  };
-  var d3_svg_lineInterpolators = d3.map({
-    linear: d3_svg_lineLinear,
-    "linear-closed": d3_svg_lineLinearClosed,
-    step: d3_svg_lineStep,
-    "step-before": d3_svg_lineStepBefore,
-    "step-after": d3_svg_lineStepAfter,
-    basis: d3_svg_lineBasis,
-    "basis-open": d3_svg_lineBasisOpen,
-    "basis-closed": d3_svg_lineBasisClosed,
-    bundle: d3_svg_lineBundle,
-    cardinal: d3_svg_lineCardinal,
-    "cardinal-open": d3_svg_lineCardinalOpen,
-    "cardinal-closed": d3_svg_lineCardinalClosed,
-    monotone: d3_svg_lineMonotone
-  });
-  d3_svg_lineInterpolators.forEach(function(key, value) {
-    value.key = key;
-    value.closed = /-closed$/.test(key);
-  });
-  function d3_svg_lineLinear(points) {
-    return points.join("L");
-  }
-  function d3_svg_lineLinearClosed(points) {
-    return d3_svg_lineLinear(points) + "Z";
-  }
-  function d3_svg_lineStep(points) {
-    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
-    while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
-    if (n > 1) path.push("H", p[0]);
-    return path.join("");
-  }
-  function d3_svg_lineStepBefore(points) {
-    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
-    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
-    return path.join("");
-  }
-  function d3_svg_lineStepAfter(points) {
-    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
-    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
-    return path.join("");
-  }
-  function d3_svg_lineCardinalOpen(points, tension) {
-    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
-  }
-  function d3_svg_lineCardinalClosed(points, tension) {
-    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
-    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
-  }
-  function d3_svg_lineCardinal(points, tension) {
-    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
-  }
-  function d3_svg_lineHermite(points, tangents) {
-    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
-      return d3_svg_lineLinear(points);
-    }
-    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
-    if (quad) {
-      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
-      p0 = points[1];
-      pi = 2;
-    }
-    if (tangents.length > 1) {
-      t = tangents[1];
-      p = points[pi];
-      pi++;
-      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
-      for (var i = 2; i < tangents.length; i++, pi++) {
-        p = points[pi];
-        t = tangents[i];
-        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
-      }
-    }
-    if (quad) {
-      var lp = points[pi];
-      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
-    }
-    return path;
-  }
-  function d3_svg_lineCardinalTangents(points, tension) {
-    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
-    while (++i < n) {
-      p0 = p1;
-      p1 = p2;
-      p2 = points[i];
-      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
-    }
-    return tangents;
-  }
-  function d3_svg_lineBasis(points) {
-    if (points.length < 3) return d3_svg_lineLinear(points);
-    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
-    points.push(points[n - 1]);
-    while (++i <= n) {
-      pi = points[i];
-      px.shift();
-      px.push(pi[0]);
-      py.shift();
-      py.push(pi[1]);
-      d3_svg_lineBasisBezier(path, px, py);
-    }
-    points.pop();
-    path.push("L", pi);
-    return path.join("");
-  }
-  function d3_svg_lineBasisOpen(points) {
-    if (points.length < 4) return d3_svg_lineLinear(points);
-    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
-    while (++i < 3) {
-      pi = points[i];
-      px.push(pi[0]);
-      py.push(pi[1]);
-    }
-    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
-    --i;
-    while (++i < n) {
-      pi = points[i];
-      px.shift();
-      px.push(pi[0]);
-      py.shift();
-      py.push(pi[1]);
-      d3_svg_lineBasisBezier(path, px, py);
-    }
-    return path.join("");
-  }
-  function d3_svg_lineBasisClosed(points) {
-    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
-    while (++i < 4) {
-      pi = points[i % n];
-      px.push(pi[0]);
-      py.push(pi[1]);
-    }
-    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
-    --i;
-    while (++i < m) {
-      pi = points[i % n];
-      px.shift();
-      px.push(pi[0]);
-      py.shift();
-      py.push(pi[1]);
-      d3_svg_lineBasisBezier(path, px, py);
-    }
-    return path.join("");
-  }
-  function d3_svg_lineBundle(points, tension) {
-    var n = points.length - 1;
-    if (n) {
-      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
-      while (++i <= n) {
-        p = points[i];
-        t = i / n;
-        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
-        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
-      }
-    }
-    return d3_svg_lineBasis(points);
-  }
-  function d3_svg_lineDot4(a, b) {
-    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-  }
-  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
-  function d3_svg_lineBasisBezier(path, x, y) {
-    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
-  }
-  function d3_svg_lineSlope(p0, p1) {
-    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
-  }
-  function d3_svg_lineFiniteDifferences(points) {
-    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
-    while (++i < j) {
-      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
-    }
-    m[i] = d;
-    return m;
-  }
-  function d3_svg_lineMonotoneTangents(points) {
-    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
-    while (++i < j) {
-      d = d3_svg_lineSlope(points[i], points[i + 1]);
-      if (abs(d) < ε) {
-        m[i] = m[i + 1] = 0;
-      } else {
-        a = m[i] / d;
-        b = m[i + 1] / d;
-        s = a * a + b * b;
-        if (s > 9) {
-          s = d * 3 / Math.sqrt(s);
-          m[i] = s * a;
-          m[i + 1] = s * b;
-        }
-      }
-    }
-    i = -1;
-    while (++i <= j) {
-      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
-      tangents.push([ s || 0, m[i] * s || 0 ]);
-    }
-    return tangents;
-  }
-  function d3_svg_lineMonotone(points) {
-    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
-  }
-  d3.svg.line.radial = function() {
-    var line = d3_svg_line(d3_svg_lineRadial);
-    line.radius = line.x, delete line.x;
-    line.angle = line.y, delete line.y;
-    return line;
-  };
-  function d3_svg_lineRadial(points) {
-    var point, i = -1, n = points.length, r, a;
-    while (++i < n) {
-      point = points[i];
-      r = point[0];
-      a = point[1] - halfπ;
-      point[0] = r * Math.cos(a);
-      point[1] = r * Math.sin(a);
-    }
-    return points;
-  }
-  function d3_svg_area(projection) {
-    var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
-    function area(data) {
-      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
-        return x;
-      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
-        return y;
-      } : d3_functor(y1), x, y;
-      function segment() {
-        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
-      }
-      while (++i < n) {
-        if (defined.call(this, d = data[i], i)) {
-          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
-          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
-        } else if (points0.length) {
-          segment();
-          points0 = [];
-          points1 = [];
-        }
-      }
-      if (points0.length) segment();
-      return segments.length ? segments.join("") : null;
-    }
-    area.x = function(_) {
-      if (!arguments.length) return x1;
-      x0 = x1 = _;
-      return area;
-    };
-    area.x0 = function(_) {
-      if (!arguments.length) return x0;
-      x0 = _;
-      return area;
-    };
-    area.x1 = function(_) {
-      if (!arguments.length) return x1;
-      x1 = _;
-      return area;
-    };
-    area.y = function(_) {
-      if (!arguments.length) return y1;
-      y0 = y1 = _;
-      return area;
-    };
-    area.y0 = function(_) {
-      if (!arguments.length) return y0;
-      y0 = _;
-      return area;
-    };
-    area.y1 = function(_) {
-      if (!arguments.length) return y1;
-      y1 = _;
-      return area;
-    };
-    area.defined = function(_) {
-      if (!arguments.length) return defined;
-      defined = _;
-      return area;
-    };
-    area.interpolate = function(_) {
-      if (!arguments.length) return interpolateKey;
-      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
-      interpolateReverse = interpolate.reverse || interpolate;
-      L = interpolate.closed ? "M" : "L";
-      return area;
-    };
-    area.tension = function(_) {
-      if (!arguments.length) return tension;
-      tension = _;
-      return area;
-    };
-    return area;
-  }
-  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
-  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
-  d3.svg.area = function() {
-    return d3_svg_area(d3_identity);
-  };
-  d3.svg.area.radial = function() {
-    var area = d3_svg_area(d3_svg_lineRadial);
-    area.radius = area.x, delete area.x;
-    area.innerRadius = area.x0, delete area.x0;
-    area.outerRadius = area.x1, delete area.x1;
-    area.angle = area.y, delete area.y;
-    area.startAngle = area.y0, delete area.y0;
-    area.endAngle = area.y1, delete area.y1;
-    return area;
-  };
-  d3.svg.chord = function() {
-    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
-    function chord(d, i) {
-      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
-      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
-    }
-    function subgroup(self, f, d, i) {
-      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
-      return {
-        r: r,
-        a0: a0,
-        a1: a1,
-        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
-        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
-      };
-    }
-    function equals(a, b) {
-      return a.a0 == b.a0 && a.a1 == b.a1;
-    }
-    function arc(r, p, a) {
-      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
-    }
-    function curve(r0, p0, r1, p1) {
-      return "Q 0,0 " + p1;
-    }
-    chord.radius = function(v) {
-      if (!arguments.length) return radius;
-      radius = d3_functor(v);
-      return chord;
-    };
-    chord.source = function(v) {
-      if (!arguments.length) return source;
-      source = d3_functor(v);
-      return chord;
-    };
-    chord.target = function(v) {
-      if (!arguments.length) return target;
-      target = d3_functor(v);
-      return chord;
-    };
-    chord.startAngle = function(v) {
-      if (!arguments.length) return startAngle;
-      startAngle = d3_functor(v);
-      return chord;
-    };
-    chord.endAngle = function(v) {
-      if (!arguments.length) return endAngle;
-      endAngle = d3_functor(v);
-      return chord;
-    };
-    return chord;
-  };
-  function d3_svg_chordRadius(d) {
-    return d.radius;
-  }
-  d3.svg.diagonal = function() {
-    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
-    function diagonal(d, i) {
-      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
-        x: p0.x,
-        y: m
-      }, {
-        x: p3.x,
-        y: m
-      }, p3 ];
-      p = p.map(projection);
-      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
-    }
-    diagonal.source = function(x) {
-      if (!arguments.length) return source;
-      source = d3_functor(x);
-      return diagonal;
-    };
-    diagonal.target = function(x) {
-      if (!arguments.length) return target;
-      target = d3_functor(x);
-      return diagonal;
-    };
-    diagonal.projection = function(x) {
-      if (!arguments.length) return projection;
-      projection = x;
-      return diagonal;
-    };
-    return diagonal;
-  };
-  function d3_svg_diagonalProjection(d) {
-    return [ d.x, d.y ];
-  }
-  d3.svg.diagonal.radial = function() {
-    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
-    diagonal.projection = function(x) {
-      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
-    };
-    return diagonal;
-  };
-  function d3_svg_diagonalRadialProjection(projection) {
-    return function() {
-      var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
-      return [ r * Math.cos(a), r * Math.sin(a) ];
-    };
-  }
-  d3.svg.symbol = function() {
-    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
-    function symbol(d, i) {
-      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
-    }
-    symbol.type = function(x) {
-      if (!arguments.length) return type;
-      type = d3_functor(x);
-      return symbol;
-    };
-    symbol.size = function(x) {
-      if (!arguments.length) return size;
-      size = d3_functor(x);
-      return symbol;
-    };
-    return symbol;
-  };
-  function d3_svg_symbolSize() {
-    return 64;
-  }
-  function d3_svg_symbolType() {
-    return "circle";
-  }
-  function d3_svg_symbolCircle(size) {
-    var r = Math.sqrt(size / π);
-    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
-  }
-  var d3_svg_symbols = d3.map({
-    circle: d3_svg_symbolCircle,
-    cross: function(size) {
-      var r = Math.sqrt(size / 5) / 2;
-      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
-    },
-    diamond: function(size) {
-      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
-      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
-    },
-    square: function(size) {
-      var r = Math.sqrt(size) / 2;
-      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
-    },
-    "triangle-down": function(size) {
-      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
-      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
-    },
-    "triangle-up": function(size) {
-      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
-      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
-    }
-  });
-  d3.svg.symbolTypes = d3_svg_symbols.keys();
-  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
-  d3_selectionPrototype.transition = function(name) {
-    var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
-      time: Date.now(),
-      ease: d3_ease_cubicInOut,
-      delay: 0,
-      duration: 250
-    };
-    for (var j = -1, m = this.length; ++j < m; ) {
-      subgroups.push(subgroup = []);
-      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
-        if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
-        subgroup.push(node);
-      }
-    }
-    return d3_transition(subgroups, ns, id);
-  };
-  d3_selectionPrototype.interrupt = function(name) {
-    return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
-  };
-  var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
-  function d3_selection_interruptNS(ns) {
-    return function() {
-      var lock, active;
-      if ((lock = this[ns]) && (active = lock[lock.active])) {
-        if (--lock.count) delete lock[lock.active]; else delete this[ns];
-        lock.active += .5;
-        active.event && active.event.interrupt.call(this, this.__data__, active.index);
-      }
-    };
-  }
-  function d3_transition(groups, ns, id) {
-    d3_subclass(groups, d3_transitionPrototype);
-    groups.namespace = ns;
-    groups.id = id;
-    return groups;
-  }
-  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
-  d3_transitionPrototype.call = d3_selectionPrototype.call;
-  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
-  d3_transitionPrototype.node = d3_selectionPrototype.node;
-  d3_transitionPrototype.size = d3_selectionPrototype.size;
-  d3.transition = function(selection, name) {
-    return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);
-  };
-  d3.transition.prototype = d3_transitionPrototype;
-  d3_transitionPrototype.select = function(selector) {
-    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
-    selector = d3_selection_selector(selector);
-    for (var j = -1, m = this.length; ++j < m; ) {
-      subgroups.push(subgroup = []);
-      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
-        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
-          if ("__data__" in node) subnode.__data__ = node.__data__;
-          d3_transitionNode(subnode, i, ns, id, node[ns][id]);
-          subgroup.push(subnode);
-        } else {
-          subgroup.push(null);
-        }
-      }
-    }
-    return d3_transition(subgroups, ns, id);
-  };
-  d3_transitionPrototype.selectAll = function(selector) {
-    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
-    selector = d3_selection_selectorAll(selector);
-    for (var j = -1, m = this.length; ++j < m; ) {
-      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
-        if (node = group[i]) {
-          transition = node[ns][id];
-          subnodes = selector.call(node, node.__data__, i, j);
-          subgroups.push(subgroup = []);
-          for (var k = -1, o = subnodes.length; ++k < o; ) {
-            if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
-            subgroup.push(subnode);
-          }
-        }
-      }
-    }
-    return d3_transition(subgroups, ns, id);
-  };
-  d3_transitionPrototype.filter = function(filter) {
-    var subgroups = [], subgroup, group, node;
-    if (typeof filter !== "function") filter = d3_selection_filter(filter);
-    for (var j = 0, m = this.length; j < m; j++) {
-      subgroups.push(subgroup = []);
-      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
-          subgroup.push(node);
-        }
-      }
-    }
-    return d3_transition(subgroups, this.namespace, this.id);
-  };
-  d3_transitionPrototype.tween = function(name, tween) {
-    var id = this.id, ns = this.namespace;
-    if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
-    return d3_selection_each(this, tween == null ? function(node) {
-      node[ns][id].tween.remove(name);
-    } : function(node) {
-      node[ns][id].tween.set(name, tween);
-    });
-  };
-  function d3_transition_tween(groups, name, value, tween) {
-    var id = groups.id, ns = groups.namespace;
-    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
-      node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
-    } : (value = tween(value), function(node) {
-      node[ns][id].tween.set(name, value);
-    }));
-  }
-  d3_transitionPrototype.attr = function(nameNS, value) {
-    if (arguments.length < 2) {
-      for (value in nameNS) this.attr(value, nameNS[value]);
-      return this;
-    }
-    var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
-    function attrNull() {
-      this.removeAttribute(name);
-    }
-    function attrNullNS() {
-      this.removeAttributeNS(name.space, name.local);
-    }
-    function attrTween(b) {
-      return b == null ? attrNull : (b += "", function() {
-        var a = this.getAttribute(name), i;
-        return a !== b && (i = interpolate(a, b), function(t) {
-          this.setAttribute(name, i(t));
-        });
-      });
-    }
-    function attrTweenNS(b) {
-      return b == null ? attrNullNS : (b += "", function() {
-        var a = this.getAttributeNS(name.space, name.local), i;
-        return a !== b && (i = interpolate(a, b), function(t) {
-          this.setAttributeNS(name.space, name.local, i(t));
-        });
-      });
-    }
-    return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
-  };
-  d3_transitionPrototype.attrTween = function(nameNS, tween) {
-    var name = d3.ns.qualify(nameNS);
-    function attrTween(d, i) {
-      var f = tween.call(this, d, i, this.getAttribute(name));
-      return f && function(t) {
-        this.setAttribute(name, f(t));
-      };
-    }
-    function attrTweenNS(d, i) {
-      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
-      return f && function(t) {
-        this.setAttributeNS(name.space, name.local, f(t));
-      };
-    }
-    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
-  };
-  d3_transitionPrototype.style = function(name, value, priority) {
-    var n = arguments.length;
-    if (n < 3) {
-      if (typeof name !== "string") {
-        if (n < 2) value = "";
-        for (priority in name) this.style(priority, name[priority], value);
-        return this;
-      }
-      priority = "";
-    }
-    function styleNull() {
-      this.style.removeProperty(name);
-    }
-    function styleString(b) {
-      return b == null ? styleNull : (b += "", function() {
-        var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;
-        return a !== b && (i = d3_interpolate(a, b), function(t) {
-          this.style.setProperty(name, i(t), priority);
-        });
-      });
-    }
-    return d3_transition_tween(this, "style." + name, value, styleString);
-  };
-  d3_transitionPrototype.styleTween = function(name, tween, priority) {
-    if (arguments.length < 3) priority = "";
-    function styleTween(d, i) {
-      var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));
-      return f && function(t) {
-        this.style.setProperty(name, f(t), priority);
-      };
-    }
-    return this.tween("style." + name, styleTween);
-  };
-  d3_transitionPrototype.text = function(value) {
-    return d3_transition_tween(this, "text", value, d3_transition_text);
-  };
-  function d3_transition_text(b) {
-    if (b == null) b = "";
-    return function() {
-      this.textContent = b;
-    };
-  }
-  d3_transitionPrototype.remove = function() {
-    var ns = this.namespace;
-    return this.each("end.transition", function() {
-      var p;
-      if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
-    });
-  };
-  d3_transitionPrototype.ease = function(value) {
-    var id = this.id, ns = this.namespace;
-    if (arguments.length < 1) return this.node()[ns][id].ease;
-    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
-    return d3_selection_each(this, function(node) {
-      node[ns][id].ease = value;
-    });
-  };
-  d3_transitionPrototype.delay = function(value) {
-    var id = this.id, ns = this.namespace;
-    if (arguments.length < 1) return this.node()[ns][id].delay;
-    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
-      node[ns][id].delay = +value.call(node, node.__data__, i, j);
-    } : (value = +value, function(node) {
-      node[ns][id].delay = value;
-    }));
-  };
-  d3_transitionPrototype.duration = function(value) {
-    var id = this.id, ns = this.namespace;
-    if (arguments.length < 1) return this.node()[ns][id].duration;
-    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
-      node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
-    } : (value = Math.max(1, value), function(node) {
-      node[ns][id].duration = value;
-    }));
-  };
-  d3_transitionPrototype.each = function(type, listener) {
-    var id = this.id, ns = this.namespace;
-    if (arguments.length < 2) {
-      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
-      try {
-        d3_transitionInheritId = id;
-        d3_selection_each(this, function(node, i, j) {
-          d3_transitionInherit = node[ns][id];
-          type.call(node, node.__data__, i, j);
-        });
-      } finally {
-        d3_transitionInherit = inherit;
-        d3_transitionInheritId = inheritId;
-      }
-    } else {
-      d3_selection_each(this, function(node) {
-        var transition = node[ns][id];
-        (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
-      });
-    }
-    return this;
-  };
-  d3_transitionPrototype.transition = function() {
-    var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
-    for (var j = 0, m = this.length; j < m; j++) {
-      subgroups.push(subgroup = []);
-      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-        if (node = group[i]) {
-          transition = node[ns][id0];
-          d3_transitionNode(node, i, ns, id1, {
-            time: transition.time,
-            ease: transition.ease,
-            delay: transition.delay + transition.duration,
-            duration: transition.duration
-          });
-        }
-        subgroup.push(node);
-      }
-    }
-    return d3_transition(subgroups, ns, id1);
-  };
-  function d3_transitionNamespace(name) {
-    return name == null ? "__transition__" : "__transition_" + name + "__";
-  }
-  function d3_transitionNode(node, i, ns, id, inherit) {
-    var lock = node[ns] || (node[ns] = {
-      active: 0,
-      count: 0
-    }), transition = lock[id];
-    if (!transition) {
-      var time = inherit.time;
-      transition = lock[id] = {
-        tween: new d3_Map(),
-        time: time,
-        delay: inherit.delay,
-        duration: inherit.duration,
-        ease: inherit.ease,
-        index: i
-      };
-      inherit = null;
-      ++lock.count;
-      d3.timer(function(elapsed) {
-        var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = [];
-        timer.t = delay + time;
-        if (delay <= elapsed) return start(elapsed - delay);
-        timer.c = start;
-        function start(elapsed) {
-          if (lock.active > id) return stop();
-          var active = lock[lock.active];
-          if (active) {
-            --lock.count;
-            delete lock[lock.active];
-            active.event && active.event.interrupt.call(node, node.__data__, active.index);
-          }
-          lock.active = id;
-          transition.event && transition.event.start.call(node, node.__data__, i);
-          transition.tween.forEach(function(key, value) {
-            if (value = value.call(node, node.__data__, i)) {
-              tweened.push(value);
-            }
-          });
-          ease = transition.ease;
-          duration = transition.duration;
-          d3.timer(function() {
-            timer.c = tick(elapsed || 1) ? d3_true : tick;
-            return 1;
-          }, 0, time);
-        }
-        function tick(elapsed) {
-          if (lock.active !== id) return 1;
-          var t = elapsed / duration, e = ease(t), n = tweened.length;
-          while (n > 0) {
-            tweened[--n].call(node, e);
-          }
-          if (t >= 1) {
-            transition.event && transition.event.end.call(node, node.__data__, i);
-            return stop();
-          }
-        }
-        function stop() {
-          if (--lock.count) delete lock[id]; else delete node[ns];
-          return 1;
-        }
-      }, 0, time);
-    }
-  }
-  d3.svg.axis = function() {
-    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
-    function axis(g) {
-      g.each(function() {
-        var g = d3.select(this);
-        var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
-        var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
-        var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
-        d3.transition(path));
-        tickEnter.append("line");
-        tickEnter.append("text");
-        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
-        if (orient === "bottom" || orient === "top") {
-          tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
-          text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
-          pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
-        } else {
-          tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
-          text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
-          pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
-        }
-        lineEnter.attr(y2, sign * innerTickSize);
-        textEnter.attr(y1, sign * tickSpacing);
-        lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
-        textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
-        if (scale1.rangeBand) {
-          var x = scale1, dx = x.rangeBand() / 2;
-          scale0 = scale1 = function(d) {
-            return x(d) + dx;
-          };
-        } else if (scale0.rangeBand) {
-          scale0 = scale1;
-        } else {
-          tickExit.call(tickTransform, scale1, scale0);
-        }
-        tickEnter.call(tickTransform, scale0, scale1);
-        tickUpdate.call(tickTransform, scale1, scale1);
-      });
-    }
-    axis.scale = function(x) {
-      if (!arguments.length) return scale;
-      scale = x;
-      return axis;
-    };
-    axis.orient = function(x) {
-      if (!arguments.length) return orient;
-      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
-      return axis;
-    };
-    axis.ticks = function() {
-      if (!arguments.length) return tickArguments_;
-      tickArguments_ = arguments;
-      return axis;
-    };
-    axis.tickValues = function(x) {
-      if (!arguments.length) return tickValues;
-      tickValues = x;
-      return axis;
-    };
-    axis.tickFormat = function(x) {
-      if (!arguments.length) return tickFormat_;
-      tickFormat_ = x;
-      return axis;
-    };
-    axis.tickSize = function(x) {
-      var n = arguments.length;
-      if (!n) return innerTickSize;
-      innerTickSize = +x;
-      outerTickSize = +arguments[n - 1];
-      return axis;
-    };
-    axis.innerTickSize = function(x) {
-      if (!arguments.length) return innerTickSize;
-      innerTickSize = +x;
-      return axis;
-    };
-    axis.outerTickSize = function(x) {
-      if (!arguments.length) return outerTickSize;
-      outerTickSize = +x;
-      return axis;
-    };
-    axis.tickPadding = function(x) {
-      if (!arguments.length) return tickPadding;
-      tickPadding = +x;
-      return axis;
-    };
-    axis.tickSubdivide = function() {
-      return arguments.length && axis;
-    };
-    return axis;
-  };
-  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
-    top: 1,
-    right: 1,
-    bottom: 1,
-    left: 1
-  };
-  function d3_svg_axisX(selection, x0, x1) {
-    selection.attr("transform", function(d) {
-      var v0 = x0(d);
-      return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
-    });
-  }
-  function d3_svg_axisY(selection, y0, y1) {
-    selection.attr("transform", function(d) {
-      var v0 = y0(d);
-      return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
-    });
-  }
-  d3.svg.brush = function() {
-    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
-    function brush(g) {
-      g.each(function() {
-        var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
-        var background = g.selectAll(".background").data([ 0 ]);
-        background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
-        g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
-        var resize = g.selectAll(".resize").data(resizes, d3_identity);
-        resize.exit().remove();
-        resize.enter().append("g").attr("class", function(d) {
-          return "resize " + d;
-        }).style("cursor", function(d) {
-          return d3_svg_brushCursor[d];
-        }).append("rect").attr("x", function(d) {
-          return /[ew]$/.test(d) ? -3 : null;
-        }).attr("y", function(d) {
-          return /^[ns]/.test(d) ? -3 : null;
-        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
-        resize.style("display", brush.empty() ? "none" : null);
-        var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
-        if (x) {
-          range = d3_scaleRange(x);
-          backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
-          redrawX(gUpdate);
-        }
-        if (y) {
-          range = d3_scaleRange(y);
-          backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
-          redrawY(gUpdate);
-        }
-        redraw(gUpdate);
-      });
-    }
-    brush.event = function(g) {
-      g.each(function() {
-        var event_ = event.of(this, arguments), extent1 = {
-          x: xExtent,
-          y: yExtent,
-          i: xExtentDomain,
-          j: yExtentDomain
-        }, extent0 = this.__chart__ || extent1;
-        this.__chart__ = extent1;
-        if (d3_transitionInheritId) {
-          d3.select(this).transition().each("start.brush", function() {
-            xExtentDomain = extent0.i;
-            yExtentDomain = extent0.j;
-            xExtent = extent0.x;
-            yExtent = extent0.y;
-            event_({
-              type: "brushstart"
-            });
-          }).tween("brush:brush", function() {
-            var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
-            xExtentDomain = yExtentDomain = null;
-            return function(t) {
-              xExtent = extent1.x = xi(t);
-              yExtent = extent1.y = yi(t);
-              event_({
-                type: "brush",
-                mode: "resize"
-              });
-            };
-          }).each("end.brush", function() {
-            xExtentDomain = extent1.i;
-            yExtentDomain = extent1.j;
-            event_({
-              type: "brush",
-              mode: "resize"
-            });
-            event_({
-              type: "brushend"
-            });
-          });
-        } else {
-          event_({
-            type: "brushstart"
-          });
-          event_({
-            type: "brush",
-            mode: "resize"
-          });
-          event_({
-            type: "brushend"
-          });
-        }
-      });
-    };
-    function redraw(g) {
-      g.selectAll(".resize").attr("transform", function(d) {
-        return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
-      });
-    }
-    function redrawX(g) {
-      g.select(".extent").attr("x", xExtent[0]);
-      g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
-    }
-    function redrawY(g) {
-      g.select(".extent").attr("y", yExtent[0]);
-      g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
-    }
-    function brushstart() {
-      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset;
-      var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup);
-      if (d3.event.changedTouches) {
-        w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
-      } else {
-        w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
-      }
-      g.interrupt().selectAll("*").interrupt();
-      if (dragging) {
-        origin[0] = xExtent[0] - origin[0];
-        origin[1] = yExtent[0] - origin[1];
-      } else if (resizing) {
-        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
-        offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
-        origin[0] = xExtent[ex];
-        origin[1] = yExtent[ey];
-      } else if (d3.event.altKey) center = origin.slice();
-      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
-      d3.select("body").style("cursor", eventTarget.style("cursor"));
-      event_({
-        type: "brushstart"
-      });
-      brushmove();
-      function keydown() {
-        if (d3.event.keyCode == 32) {
-          if (!dragging) {
-            center = null;
-            origin[0] -= xExtent[1];
-            origin[1] -= yExtent[1];
-            dragging = 2;
-          }
-          d3_eventPreventDefault();
-        }
-      }
-      function keyup() {
-        if (d3.event.keyCode == 32 && dragging == 2) {
-          origin[0] += xExtent[1];
-          origin[1] += yExtent[1];
-          dragging = 0;
-          d3_eventPreventDefault();
-        }
-      }
-      function brushmove() {
-        var point = d3.mouse(target), moved = false;
-        if (offset) {
-          point[0] += offset[0];
-          point[1] += offset[1];
-        }
-        if (!dragging) {
-          if (d3.event.altKey) {
-            if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
-            origin[0] = xExtent[+(point[0] < center[0])];
-            origin[1] = yExtent[+(point[1] < center[1])];
-          } else center = null;
-        }
-        if (resizingX && move1(point, x, 0)) {
-          redrawX(g);
-          moved = true;
-        }
-        if (resizingY && move1(point, y, 1)) {
-          redrawY(g);
-          moved = true;
-        }
-        if (moved) {
-          redraw(g);
-          event_({
-            type: "brush",
-            mode: dragging ? "move" : "resize"
-          });
-        }
-      }
-      function move1(point, scale, i) {
-        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
-        if (dragging) {
-          r0 -= position;
-          r1 -= size + position;
-        }
-        min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
-        if (dragging) {
-          max = (min += position) + size;
-        } else {
-          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
-          if (position < min) {
-            max = min;
-            min = position;
-          } else {
-            max = position;
-          }
-        }
-        if (extent[0] != min || extent[1] != max) {
-          if (i) yExtentDomain = null; else xExtentDomain = null;
-          extent[0] = min;
-          extent[1] = max;
-          return true;
-        }
-      }
-      function brushend() {
-        brushmove();
-        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
-        d3.select("body").style("cursor", null);
-        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
-        dragRestore();
-        event_({
-          type: "brushend"
-        });
-      }
-    }
-    brush.x = function(z) {
-      if (!arguments.length) return x;
-      x = z;
-      resizes = d3_svg_brushResizes[!x << 1 | !y];
-      return brush;
-    };
-    brush.y = function(z) {
-      if (!arguments.length) return y;
-      y = z;
-      resizes = d3_svg_brushResizes[!x << 1 | !y];
-      return brush;
-    };
-    brush.clamp = function(z) {
-      if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
-      if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
-      return brush;
-    };
-    brush.extent = function(z) {
-      var x0, x1, y0, y1, t;
-      if (!arguments.length) {
-        if (x) {
-          if (xExtentDomain) {
-            x0 = xExtentDomain[0], x1 = xExtentDomain[1];
-          } else {
-            x0 = xExtent[0], x1 = xExtent[1];
-            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
-            if (x1 < x0) t = x0, x0 = x1, x1 = t;
-          }
-        }
-        if (y) {
-          if (yExtentDomain) {
-            y0 = yExtentDomain[0], y1 = yExtentDomain[1];
-          } else {
-            y0 = yExtent[0], y1 = yExtent[1];
-            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
-            if (y1 < y0) t = y0, y0 = y1, y1 = t;
-          }
-        }
-        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
-      }
-      if (x) {
-        x0 = z[0], x1 = z[1];
-        if (y) x0 = x0[0], x1 = x1[0];
-        xExtentDomain = [ x0, x1 ];
-        if (x.invert) x0 = x(x0), x1 = x(x1);
-        if (x1 < x0) t = x0, x0 = x1, x1 = t;
-        if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
-      }
-      if (y) {
-        y0 = z[0], y1 = z[1];
-        if (x) y0 = y0[1], y1 = y1[1];
-        yExtentDomain = [ y0, y1 ];
-        if (y.invert) y0 = y(y0), y1 = y(y1);
-        if (y1 < y0) t = y0, y0 = y1, y1 = t;
-        if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
-      }
-      return brush;
-    };
-    brush.clear = function() {
-      if (!brush.empty()) {
-        xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
-        xExtentDomain = yExtentDomain = null;
-      }
-      return brush;
-    };
-    brush.empty = function() {
-      return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
-    };
-    return d3.rebind(brush, event, "on");
-  };
-  var d3_svg_brushCursor = {
-    n: "ns-resize",
-    e: "ew-resize",
-    s: "ns-resize",
-    w: "ew-resize",
-    nw: "nwse-resize",
-    ne: "nesw-resize",
-    se: "nwse-resize",
-    sw: "nesw-resize"
-  };
-  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
-  var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
-  var d3_time_formatUtc = d3_time_format.utc;
-  var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
-  d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
-  function d3_time_formatIsoNative(date) {
-    return date.toISOString();
-  }
-  d3_time_formatIsoNative.parse = function(string) {
-    var date = new Date(string);
-    return isNaN(date) ? null : date;
-  };
-  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
-  d3_time.second = d3_time_interval(function(date) {
-    return new d3_date(Math.floor(date / 1e3) * 1e3);
-  }, function(date, offset) {
-    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
-  }, function(date) {
-    return date.getSeconds();
-  });
-  d3_time.seconds = d3_time.second.range;
-  d3_time.seconds.utc = d3_time.second.utc.range;
-  d3_time.minute = d3_time_interval(function(date) {
-    return new d3_date(Math.floor(date / 6e4) * 6e4);
-  }, function(date, offset) {
-    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
-  }, function(date) {
-    return date.getMinutes();
-  });
-  d3_time.minutes = d3_time.minute.range;
-  d3_time.minutes.utc = d3_time.minute.utc.range;
-  d3_time.hour = d3_time_interval(function(date) {
-    var timezone = date.getTimezoneOffset() / 60;
-    return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
-  }, function(date, offset) {
-    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
-  }, function(date) {
-    return date.getHours();
-  });
-  d3_time.hours = d3_time.hour.range;
-  d3_time.hours.utc = d3_time.hour.utc.range;
-  d3_time.month = d3_time_interval(function(date) {
-    date = d3_time.day(date);
-    date.setDate(1);
-    return date;
-  }, function(date, offset) {
-    date.setMonth(date.getMonth() + offset);
-  }, function(date) {
-    return date.getMonth();
-  });
-  d3_time.months = d3_time.month.range;
-  d3_time.months.utc = d3_time.month.utc.range;
-  function d3_time_scale(linear, methods, format) {
-    function scale(x) {
-      return linear(x);
-    }
-    scale.invert = function(x) {
-      return d3_time_scaleDate(linear.invert(x));
-    };
-    scale.domain = function(x) {
-      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
-      linear.domain(x);
-      return scale;
-    };
-    function tickMethod(extent, count) {
-      var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
-      return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
-        return d / 31536e6;
-      }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
-    }
-    scale.nice = function(interval, skip) {
-      var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
-      if (method) interval = method[0], skip = method[1];
-      function skipped(date) {
-        return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
-      }
-      return scale.domain(d3_scale_nice(domain, skip > 1 ? {
-        floor: function(date) {
-          while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
-          return date;
-        },
-        ceil: function(date) {
-          while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
-          return date;
-        }
-      } : interval));
-    };
-    scale.ticks = function(interval, skip) {
-      var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
-        range: interval
-      }, skip ];
-      if (method) interval = method[0], skip = method[1];
-      return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
-    };
-    scale.tickFormat = function() {
-      return format;
-    };
-    scale.copy = function() {
-      return d3_time_scale(linear.copy(), methods, format);
-    };
-    return d3_scale_linearRebind(scale, linear);
-  }
-  function d3_time_scaleDate(t) {
-    return new Date(t);
-  }
-  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
-  var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
-  var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
-    return d.getMilliseconds();
-  } ], [ ":%S", function(d) {
-    return d.getSeconds();
-  } ], [ "%I:%M", function(d) {
-    return d.getMinutes();
-  } ], [ "%I %p", function(d) {
-    return d.getHours();
-  } ], [ "%a %d", function(d) {
-    return d.getDay() && d.getDate() != 1;
-  } ], [ "%b %d", function(d) {
-    return d.getDate() != 1;
-  } ], [ "%B", function(d) {
-    return d.getMonth();
-  } ], [ "%Y", d3_true ] ]);
-  var d3_time_scaleMilliseconds = {
-    range: function(start, stop, step) {
-      return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
-    },
-    floor: d3_identity,
-    ceil: d3_identity
-  };
-  d3_time_scaleLocalMethods.year = d3_time.year;
-  d3_time.scale = function() {
-    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
-  };
-  var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
-    return [ m[0].utc, m[1] ];
-  });
-  var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
-    return d.getUTCMilliseconds();
-  } ], [ ":%S", function(d) {
-    return d.getUTCSeconds();
-  } ], [ "%I:%M", function(d) {
-    return d.getUTCMinutes();
-  } ], [ "%I %p", function(d) {
-    return d.getUTCHours();
-  } ], [ "%a %d", function(d) {
-    return d.getUTCDay() && d.getUTCDate() != 1;
-  } ], [ "%b %d", function(d) {
-    return d.getUTCDate() != 1;
-  } ], [ "%B", function(d) {
-    return d.getUTCMonth();
-  } ], [ "%Y", d3_true ] ]);
-  d3_time_scaleUtcMethods.year = d3_time.year.utc;
-  d3_time.scale.utc = function() {
-    return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
-  };
-  d3.text = d3_xhrType(function(request) {
-    return request.responseText;
-  });
-  d3.json = function(url, callback) {
-    return d3_xhr(url, "application/json", d3_json, callback);
-  };
-  function d3_json(request) {
-    return JSON.parse(request.responseText);
-  }
-  d3.html = function(url, callback) {
-    return d3_xhr(url, "text/html", d3_html, callback);
-  };
-  function d3_html(request) {
-    var range = d3_document.createRange();
-    range.selectNode(d3_document.body);
-    return range.createContextualFragment(request.responseText);
-  }
-  d3.xml = d3_xhrType(function(request) {
-    return request.responseXML;
-  });
-  if (typeof define === "function" && define.amd) define(d3); else if (typeof module === "object" && module.exports) module.exports = d3;
-  this.d3 = d3;
-}();
\ No newline at end of file
diff --git a/addons/web/static/lib/nvd3/nv.d3.css b/addons/web/static/lib/nvd3/nv.d3.css
deleted file mode 100755
index 01100bb5881..00000000000
--- a/addons/web/static/lib/nvd3/nv.d3.css
+++ /dev/null
@@ -1,427 +0,0 @@
-/* nvd3 version 1.8.2-dev (https://github.com/novus/nvd3) 2016-02-08 */
-.nvd3 .nv-axis {

-    pointer-events:none;

-    opacity: 1;

-}

-

-.nvd3 .nv-axis path {

-    fill: none;

-    stroke: #000;

-    stroke-opacity: .75;

-    shape-rendering: crispEdges;

-}

-

-.nvd3 .nv-axis path.domain {

-    stroke-opacity: .75;

-}

-

-.nvd3 .nv-axis.nv-x path.domain {

-    stroke-opacity: 0;

-}

-

-.nvd3 .nv-axis line {

-    fill: none;

-    stroke: #e5e5e5;

-    shape-rendering: crispEdges;

-}

-

-.nvd3 .nv-axis .zero line,

-    /*this selector may not be necessary*/ .nvd3 .nv-axis line.zero {

-    stroke-opacity: .75;

-}

-

-.nvd3 .nv-axis .nv-axisMaxMin text {

-    font-weight: bold;

-}

-

-.nvd3 .x  .nv-axis .nv-axisMaxMin text,

-.nvd3 .x2 .nv-axis .nv-axisMaxMin text,

-.nvd3 .x3 .nv-axis .nv-axisMaxMin text {

-    text-anchor: middle

-}

-

-.nvd3 .nv-axis.nv-disabled {

-    opacity: 0;

-}

-
-/* scatter */

-.nvd3 .nv-groups .nv-point.hover {

-    stroke-width: 20px;

-    stroke-opacity: .5;

-}

-

-.nvd3 .nv-scatter .nv-point.hover {

-    fill-opacity: 1;

-}

-.nv-noninteractive {

-    pointer-events: none;

-}

-

-.nv-distx, .nv-disty {

-    pointer-events: none;

-}

-
-

-

-.nvtooltip {

-    position: absolute;

-    background-color: rgba(255,255,255,1.0);

-    color: rgba(0,0,0,1.0);

-    padding: 1px;

-    border: 1px solid rgba(0,0,0,.2);

-    z-index: 10000;

-    display: block;

-

-    font-family: Arial;

-    font-size: 13px;

-    text-align: left;

-    pointer-events: none;

-

-    white-space: nowrap;

-

-    -webkit-touch-callout: none;

-    -webkit-user-select: none;

-    -khtml-user-select: none;

-    -moz-user-select: none;

-    -ms-user-select: none;

-    user-select: none;

-}

-

-.nvtooltip {

-    background: rgba(255,255,255, 0.8);

-    border: 1px solid rgba(0,0,0,0.5);

-    border-radius: 4px;

-}

-

-/*Give tooltips that old fade in transition by

-    putting a "with-transitions" class on the container div.

-*/

-.nvtooltip.with-transitions, .with-transitions .nvtooltip {

-    transition: opacity 50ms linear;

-    -moz-transition: opacity 50ms linear;

-    -webkit-transition: opacity 50ms linear;

-

-    transition-delay: 200ms;

-    -moz-transition-delay: 200ms;

-    -webkit-transition-delay: 200ms;

-}

-

-.nvtooltip.x-nvtooltip,

-.nvtooltip.y-nvtooltip {

-    padding: 8px;

-}

-

-.nvtooltip h3 {

-    margin: 0;

-    padding: 4px 14px;

-    line-height: 18px;

-    font-weight: normal;

-    background-color: rgba(247,247,247,0.75);

-    color: rgba(0,0,0,1.0);

-    text-align: center;

-

-    border-bottom: 1px solid #ebebeb;

-

-    -webkit-border-radius: 5px 5px 0 0;

-    -moz-border-radius: 5px 5px 0 0;

-    border-radius: 5px 5px 0 0;

-}

-

-.nvtooltip p {

-    margin: 0;

-    padding: 5px 14px;

-    text-align: center;

-}

-

-.nvtooltip span {

-    display: inline-block;

-    margin: 2px 0;

-}

-

-.nvtooltip table {

-    margin: 6px;

-    border-spacing:0;

-}

-

-

-.nvtooltip table td {

-    padding: 2px 9px 2px 0;

-    vertical-align: middle;

-}

-

-.nvtooltip table td.key {

-    font-weight: normal;

-}

-.nvtooltip table td.key.total {

-    font-weight: bold;

-}

-.nvtooltip table td.value {

-    text-align: right;

-    font-weight: bold;

-}

-

-.nvtooltip table tr.highlight td {

-    padding: 1px 9px 1px 0;

-    border-bottom-style: solid;

-    border-bottom-width: 1px;

-    border-top-style: solid;

-    border-top-width: 1px;

-}

-

-.nvtooltip table td.legend-color-guide div {

-    width: 8px;

-    height: 8px;

-    vertical-align: middle;

-}

-

-.nvtooltip table td.legend-color-guide div {

-    width: 12px;

-    height: 12px;

-    border: 1px solid #999;

-}

-

-.nvtooltip .footer {

-    padding: 3px;

-    text-align: center;

-}

-

-.nvtooltip-pending-removal {

-    pointer-events: none;

-    display: none;

-}

-

-

-/****

-Interactive Layer

-*/

-.nvd3 .nv-interactiveGuideLine {

-    pointer-events:none;

-}

-.nvd3 line.nv-guideline {

-    stroke: #ccc;

-}

-
-.nvd3 .nv-bars rect {

-    fill-opacity: .75;

-

-    transition: fill-opacity 250ms linear;

-    -moz-transition: fill-opacity 250ms linear;

-    -webkit-transition: fill-opacity 250ms linear;

-}

-

-.nvd3 .nv-bars rect.hover {

-    fill-opacity: 1;

-}

-

-.nvd3 .nv-bars .hover rect {

-    fill: lightblue;

-}

-

-.nvd3 .nv-bars text {

-    fill: rgba(0,0,0,0);

-}

-

-.nvd3 .nv-bars .hover text {

-    fill: rgba(0,0,0,1);

-}

-

-.nvd3 .nv-multibar .nv-groups rect,

-.nvd3 .nv-multibarHorizontal .nv-groups rect,

-.nvd3 .nv-discretebar .nv-groups rect {

-    stroke-opacity: 0;

-

-    transition: fill-opacity 250ms linear;

-    -moz-transition: fill-opacity 250ms linear;

-    -webkit-transition: fill-opacity 250ms linear;

-}

-

-.nvd3 .nv-multibar .nv-groups rect:hover,

-.nvd3 .nv-multibarHorizontal .nv-groups rect:hover,

-.nvd3 .nv-candlestickBar .nv-ticks rect:hover,

-.nvd3 .nv-discretebar .nv-groups rect:hover {

-    fill-opacity: 1;

-}

-

-.nvd3 .nv-discretebar .nv-groups text,

-.nvd3 .nv-multibarHorizontal .nv-groups text {

-    font-weight: bold;

-    fill: rgba(0,0,0,1);

-    stroke: rgba(0,0,0,0);

-}

-
-.nvd3 .nv-groups path.nv-line {

-    fill: none;

-}

-

-.nvd3 .nv-groups path.nv-area {

-    stroke: none;

-}

-

-.nvd3.nv-line .nvd3.nv-scatter .nv-groups .nv-point {

-    fill-opacity: 0;

-    stroke-opacity: 0;

-}

-

-.nvd3.nv-scatter.nv-single-point .nv-groups .nv-point {

-    fill-opacity: .5 !important;

-    stroke-opacity: .5 !important;

-}

-

-

-.with-transitions .nvd3 .nv-groups .nv-point {

-    transition: stroke-width 250ms linear, stroke-opacity 250ms linear;

-    -moz-transition: stroke-width 250ms linear, stroke-opacity 250ms linear;

-    -webkit-transition: stroke-width 250ms linear, stroke-opacity 250ms linear;

-

-}

-

-.nvd3.nv-scatter .nv-groups .nv-point.hover,

-.nvd3 .nv-groups .nv-point.hover {

-    stroke-width: 7px;

-    fill-opacity: .95 !important;

-    stroke-opacity: .95 !important;

-}

-

-

-.nvd3 .nv-point-paths path {

-    stroke: #aaa;

-    stroke-opacity: 0;

-    fill: #eee;

-    fill-opacity: 0;

-}

-

-

-

-.nvd3 .nv-indexLine {

-    cursor: ew-resize;

-}

-
-/********************

- * SVG CSS

- */

-

-/********************

-  Default CSS for an svg element nvd3 used

-*/

-svg.nvd3-svg {

-    -webkit-touch-callout: none;

-    -webkit-user-select: none;

-    -khtml-user-select: none;

-    -ms-user-select: none;

-    -moz-user-select: none;

-    user-select: none;

-    display: block;

-    width:100%;

-    height:100%;

-}

-

-/********************

-  Box shadow and border radius styling

-*/

-.nvtooltip.with-3d-shadow, .with-3d-shadow .nvtooltip {

-    -moz-box-shadow: 0 5px 10px rgba(0,0,0,.2);

-    -webkit-box-shadow: 0 5px 10px rgba(0,0,0,.2);

-    box-shadow: 0 5px 10px rgba(0,0,0,.2);

-

-    -webkit-border-radius: 5px;

-    -moz-border-radius: 5px;

-    border-radius: 5px;

-}

-

-

-.nvd3 text {

-    font: normal 12px Arial;

-}

-

-.nvd3 .title {

-    font: bold 14px Arial;

-}

-

-.nvd3 .nv-background {

-    fill: white;

-    fill-opacity: 0;

-}

-

-.nvd3.nv-noData {

-    font-size: 18px;

-    font-weight: bold;

-}

-

-

-/**********

-*  Brush

-*/

-

-.nv-brush .extent {

-    fill-opacity: .125;

-    shape-rendering: crispEdges;

-}

-

-.nv-brush .resize path {

-    fill: #eee;

-    stroke: #666;

-}

-

-

-/**********

-*  Legend

-*/

-

-.nvd3 .nv-legend .nv-series {

-    cursor: pointer;

-}

-

-.nvd3 .nv-legend .nv-disabled circle {

-    fill-opacity: 0;

-}

-

-/* focus */

-.nvd3 .nv-brush .extent {

-    fill-opacity: 0 !important;

-}

-

-.nvd3 .nv-brushBackground rect {

-    stroke: #000;

-    stroke-width: .4;

-    fill: #fff;

-    fill-opacity: .7;

-}

-

-
-.nvd3.nv-pie path {

-    stroke-opacity: 0;

-    transition: fill-opacity 250ms linear, stroke-width 250ms linear, stroke-opacity 250ms linear;

-    -moz-transition: fill-opacity 250ms linear, stroke-width 250ms linear, stroke-opacity 250ms linear;

-    -webkit-transition: fill-opacity 250ms linear, stroke-width 250ms linear, stroke-opacity 250ms linear;

-

-}

-

-.nvd3.nv-pie .nv-pie-title {

-    font-size: 24px;

-    fill: rgba(19, 196, 249, 0.59);

-}

-

-.nvd3.nv-pie .nv-slice text {

-    stroke: #000;

-    stroke-width: 0;

-}

-

-.nvd3.nv-pie path {

-    stroke: #fff;

-    stroke-width: 1px;

-    stroke-opacity: 1;

-}

-

-.nvd3.nv-pie path {

-    fill-opacity: .7;

-}

-.nvd3.nv-pie .hover path {

-    fill-opacity: 1;

-}

-.nvd3.nv-pie .nv-label {

-    pointer-events: none;

-}

-.nvd3.nv-pie .nv-label rect {

-    fill-opacity: 0;

-    stroke-opacity: 0;

-}

diff --git a/addons/web/static/lib/nvd3/nv.d3.js b/addons/web/static/lib/nvd3/nv.d3.js
deleted file mode 100755
index 4751ebd6531..00000000000
--- a/addons/web/static/lib/nvd3/nv.d3.js
+++ /dev/null
@@ -1,5985 +0,0 @@
-/* nvd3 version 1.8.2-dev (https://github.com/novus/nvd3) 2016-02-08 */
-(function(){
-
-// set up main nv object
-var nv = {};
-
-// the major global objects under the nv namespace
-nv.dev = false; //set false when in production
-nv.tooltip = nv.tooltip || {}; // For the tooltip system
-nv.utils = nv.utils || {}; // Utility subsystem
-nv.models = nv.models || {}; //stores all the possible models/components
-nv.charts = {}; //stores all the ready to use charts
-nv.logs = {}; //stores some statistics and potential error messages
-nv.dom = {}; //DOM manipulation functions
-
-// Node/CommonJS - require D3
-if (typeof(module) !== 'undefined' && typeof(exports) !== 'undefined' && typeof(d3) == 'undefined') {
-    d3 = require('d3');
-}
-
-nv.dispatch = d3.dispatch('render_start', 'render_end');
-
-// Function bind polyfill
-// Needed ONLY for phantomJS as it's missing until version 2.0 which is unreleased as of this comment
-// https://github.com/ariya/phantomjs/issues/10522
-// http://kangax.github.io/compat-table/es5/#Function.prototype.bind
-// phantomJS is used for running the test suite
-if (!Function.prototype.bind) {
-    Function.prototype.bind = function (oThis) {
-        if (typeof this !== "function") {
-            // closest thing possible to the ECMAScript 5 internal IsCallable function
-            throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
-        }
-
-        var aArgs = Array.prototype.slice.call(arguments, 1),
-            fToBind = this,
-            fNOP = function () {},
-            fBound = function () {
-                return fToBind.apply(this instanceof fNOP && oThis
-                        ? this
-                        : oThis,
-                    aArgs.concat(Array.prototype.slice.call(arguments)));
-            };
-
-        fNOP.prototype = this.prototype;
-        fBound.prototype = new fNOP();
-        return fBound;
-    };
-}
-
-//  Development render timers - disabled if dev = false
-if (nv.dev) {
-    nv.dispatch.on('render_start', function(e) {
-        nv.logs.startTime = +new Date();
-    });
-
-    nv.dispatch.on('render_end', function(e) {
-        nv.logs.endTime = +new Date();
-        nv.logs.totalTime = nv.logs.endTime - nv.logs.startTime;
-        nv.log('total', nv.logs.totalTime); // used for development, to keep track of graph generation times
-    });
-}
-
-// Logs all arguments, and returns the last so you can test things in place
-// Note: in IE8 console.log is an object not a function, and if modernizr is used
-// then calling Function.prototype.bind with with anything other than a function
-// causes a TypeError to be thrown.
-nv.log = function() {
-    if (nv.dev && window.console && console.log && console.log.apply)
-        console.log.apply(console, arguments);
-    else if (nv.dev && window.console && typeof console.log == "function" && Function.prototype.bind) {
-        var log = Function.prototype.bind.call(console.log, console);
-        log.apply(console, arguments);
-    }
-    return arguments[arguments.length - 1];
-};
-
-// print console warning, should be used by deprecated functions
-nv.deprecated = function(name, info) {
-    if (console && console.warn) {
-        console.warn('nvd3 warning: `' + name + '` has been deprecated. ', info || '');
-    }
-};
-
-// The nv.render function is used to queue up chart rendering
-// in non-blocking async functions.
-// When all queued charts are done rendering, nv.dispatch.render_end is invoked.
-nv.render = function render(step) {
-    // number of graphs to generate in each timeout loop
-    step = step || 1;
-
-    nv.render.active = true;
-    nv.dispatch.render_start();
-
-    var renderLoop = function() {
-        var chart, graph;
-
-        for (var i = 0; i < step && (graph = nv.render.queue[i]); i++) {
-            chart = graph.generate();
-            if (typeof graph.callback == typeof(Function)) graph.callback(chart);
-        }
-
-        nv.render.queue.splice(0, i);
-
-        if (nv.render.queue.length) {
-            setTimeout(renderLoop);
-        }
-        else {
-            nv.dispatch.render_end();
-            nv.render.active = false;
-        }
-    };
-
-    setTimeout(renderLoop);
-};
-
-nv.render.active = false;
-nv.render.queue = [];
-
-/*
-Adds a chart to the async rendering queue. This method can take arguments in two forms:
-nv.addGraph({
-    generate: <Function>
-    callback: <Function>
-})
-
-or
-
-nv.addGraph(<generate Function>, <callback Function>)
-
-The generate function should contain code that creates the NVD3 model, sets options
-on it, adds data to an SVG element, and invokes the chart model. The generate function
-should return the chart model.  See examples/lineChart.html for a usage example.
-
-The callback function is optional, and it is called when the generate function completes.
-*/
-nv.addGraph = function(obj) {
-    if (typeof arguments[0] === typeof(Function)) {
-        obj = {generate: arguments[0], callback: arguments[1]};
-    }
-
-    nv.render.queue.push(obj);
-
-    if (!nv.render.active) {
-        nv.render();
-    }
-};
-
-// Node/CommonJS exports
-if (typeof(module) !== 'undefined' && typeof(exports) !== 'undefined') {
-  module.exports = nv;
-}
-
-if (typeof(window) !== 'undefined') {
-  window.nv = nv;
-}
-/* Facade for queueing DOM write operations

- * with Fastdom (https://github.com/wilsonpage/fastdom)

- * if available.

- * This could easily be extended to support alternate

- * implementations in the future.

- */

-nv.dom.write = function(callback) {

-	if (window.fastdom !== undefined) {

-		return fastdom.write(callback);

-	}

-	return callback();

-};

-

-/* Facade for queueing DOM read operations

- * with Fastdom (https://github.com/wilsonpage/fastdom)

- * if available.

- * This could easily be extended to support alternate

- * implementations in the future.

- */

-nv.dom.read = function(callback) {

-	if (window.fastdom !== undefined) {

-		return fastdom.read(callback);

-	}

-	return callback();

-};/* Utility class to handle creation of an interactive layer.
- This places a rectangle on top of the chart. When you mouse move over it, it sends a dispatch
- containing the X-coordinate. It can also render a vertical line where the mouse is located.
-
- dispatch.elementMousemove is the important event to latch onto.  It is fired whenever the mouse moves over
- the rectangle. The dispatch is given one object which contains the mouseX/Y location.
- It also has 'pointXValue', which is the conversion of mouseX to the x-axis scale.
- */
-nv.interactiveGuideline = function() {
-    "use strict";
-
-    var margin = { left: 0, top: 0 } //Pass the chart's top and left magins. Used to calculate the mouseX/Y.
-        ,   width = null
-        ,   height = null
-        ,   xScale = d3.scale.linear()
-        ,   dispatch = d3.dispatch('elementMousemove', 'elementMouseout', 'elementClick', 'elementDblclick', 'elementMouseDown', 'elementMouseUp')
-        ,   showGuideLine = true
-        ,   svgContainer = null // Must pass the chart's svg, we'll use its mousemove event.
-        ,   tooltip = nv.models.tooltip()
-        ,   isMSIE = "ActiveXObject" in window // Checkt if IE by looking for activeX.
-    ;
-
-    tooltip
-        .duration(0)
-        .hideDelay(0)
-        .hidden(false);
-
-    function layer(selection) {
-        selection.each(function(data) {
-            var container = d3.select(this);
-            var availableWidth = (width || 960), availableHeight = (height || 400);
-            var wrap = container.selectAll("g.nv-wrap.nv-interactiveLineLayer")
-                .data([data]);
-            var wrapEnter = wrap.enter()
-                .append("g").attr("class", " nv-wrap nv-interactiveLineLayer");
-            wrapEnter.append("g").attr("class","nv-interactiveGuideLine");
-
-            if (!svgContainer) {
-                return;
-            }
-
-            function mouseHandler() {
-                var d3mouse = d3.mouse(this);
-                var mouseX = d3mouse[0];
-                var mouseY = d3mouse[1];
-                var subtractMargin = true;
-                var mouseOutAnyReason = false;
-                if (isMSIE) {
-                    /*
-                     D3.js (or maybe SVG.getScreenCTM) has a nasty bug in Internet Explorer 10.
-                     d3.mouse() returns incorrect X,Y mouse coordinates when mouse moving
-                     over a rect in IE 10.
-                     However, d3.event.offsetX/Y also returns the mouse coordinates
-                     relative to the triggering <rect>. So we use offsetX/Y on IE.
-                     */
-                    mouseX = d3.event.offsetX;
-                    mouseY = d3.event.offsetY;
-
-                    /*
-                     On IE, if you attach a mouse event listener to the <svg> container,
-                     it will actually trigger it for all the child elements (like <path>, <circle>, etc).
-                     When this happens on IE, the offsetX/Y is set to where ever the child element
-                     is located.
-                     As a result, we do NOT need to subtract margins to figure out the mouse X/Y
-                     position under this scenario. Removing the line below *will* cause
-                     the interactive layer to not work right on IE.
-                     */
-                    if(d3.event.target.tagName !== "svg") {
-                        subtractMargin = false;
-                    }
-
-                    if (d3.event.target.className.baseVal.match("nv-legend")) {
-                        mouseOutAnyReason = true;
-                    }
-
-                }
-
-                if(subtractMargin) {
-                    mouseX -= margin.left;
-                    mouseY -= margin.top;
-                }
-
-                /* If mouseX/Y is outside of the chart's bounds,
-                 trigger a mouseOut event.
-                 */
-                if (d3.event.type === 'mouseout'
-                    || mouseX < 0 || mouseY < 0
-                    || mouseX > availableWidth || mouseY > availableHeight
-                    || (d3.event.relatedTarget && d3.event.relatedTarget.ownerSVGElement === undefined)
-                    || mouseOutAnyReason
-                    ) {
-
-                    if (isMSIE) {
-                        if (d3.event.relatedTarget
-                            && d3.event.relatedTarget.ownerSVGElement === undefined
-                            && (d3.event.relatedTarget.className === undefined
-                                || d3.event.relatedTarget.className.match(tooltip.nvPointerEventsClass))) {
-
-                            return;
-                        }
-                    }
-                    dispatch.elementMouseout({
-                        mouseX: mouseX,
-                        mouseY: mouseY
-                    });
-                    layer.renderGuideLine(null); //hide the guideline
-                    tooltip.hidden(true);
-                    return;
-                } else {
-                    tooltip.hidden(false);
-                }
-
-
-                var scaleIsOrdinal = typeof xScale.rangeBands === 'function';
-                var pointXValue = undefined;
-
-                // Ordinal scale has no invert method
-                if (scaleIsOrdinal) {
-                    var elementIndex = d3.bisect(xScale.range(), mouseX) - 1;
-                    // Check if mouseX is in the range band
-                    if (xScale.range()[elementIndex] + xScale.rangeBand() >= mouseX) {
-                        pointXValue = xScale.domain()[d3.bisect(xScale.range(), mouseX) - 1];
-                    }
-                    else {
-                        dispatch.elementMouseout({
-                            mouseX: mouseX,
-                            mouseY: mouseY
-                        });
-                        layer.renderGuideLine(null); //hide the guideline
-                        tooltip.hidden(true);
-                        return;
-                    }
-                }
-                else {
-                    pointXValue = xScale.invert(mouseX);
-                }
-
-                dispatch.elementMousemove({
-                    mouseX: mouseX,
-                    mouseY: mouseY,
-                    pointXValue: pointXValue
-                });
-
-                //If user double clicks the layer, fire a elementDblclick
-                if (d3.event.type === "dblclick") {
-                    dispatch.elementDblclick({
-                        mouseX: mouseX,
-                        mouseY: mouseY,
-                        pointXValue: pointXValue
-                    });
-                }
-
-                // if user single clicks the layer, fire elementClick
-                if (d3.event.type === 'click') {
-                    dispatch.elementClick({
-                        mouseX: mouseX,
-                        mouseY: mouseY,
-                        pointXValue: pointXValue
-                    });
-                }
-
-                // if user presses mouse down the layer, fire elementMouseDown
-                if (d3.event.type === 'mousedown') {
-                	dispatch.elementMouseDown({
-                		mouseX: mouseX,
-                		mouseY: mouseY,
-                		pointXValue: pointXValue
-                	});
-                }
-
-                // if user presses mouse down the layer, fire elementMouseUp
-                if (d3.event.type === 'mouseup') {
-                	dispatch.elementMouseUp({
-                		mouseX: mouseX,
-                		mouseY: mouseY,
-                		pointXValue: pointXValue
-                	});
-                }
-            }
-
-            svgContainer
-                .on("touchmove",mouseHandler)
-                .on("mousemove",mouseHandler, true)
-                .on("mouseout" ,mouseHandler,true)
-                .on("mousedown" ,mouseHandler,true)
-                .on("mouseup" ,mouseHandler,true)
-                .on("dblclick" ,mouseHandler)
-                .on("click", mouseHandler)
-            ;
-
-            layer.guideLine = null;
-            //Draws a vertical guideline at the given X postion.
-            layer.renderGuideLine = function(x) {
-                if (!showGuideLine) return;
-                if (layer.guideLine && layer.guideLine.attr("x1") === x) return;
-                nv.dom.write(function() {
-                    var line = wrap.select(".nv-interactiveGuideLine")
-                        .selectAll("line")
-                        .data((x != null) ? [nv.utils.NaNtoZero(x)] : [], String);
-                    line.enter()
-                        .append("line")
-                        .attr("class", "nv-guideline")
-                        .attr("x1", function(d) { return d;})
-                        .attr("x2", function(d) { return d;})
-                        .attr("y1", availableHeight)
-                        .attr("y2",0);
-                    line.exit().remove();
-                });
-            }
-        });
-    }
-
-    layer.dispatch = dispatch;
-    layer.tooltip = tooltip;
-
-    layer.margin = function(_) {
-        if (!arguments.length) return margin;
-        margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
-        margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
-        return layer;
-    };
-
-    layer.width = function(_) {
-        if (!arguments.length) return width;
-        width = _;
-        return layer;
-    };
-
-    layer.height = function(_) {
-        if (!arguments.length) return height;
-        height = _;
-        return layer;
-    };
-
-    layer.xScale = function(_) {
-        if (!arguments.length) return xScale;
-        xScale = _;
-        return layer;
-    };
-
-    layer.showGuideLine = function(_) {
-        if (!arguments.length) return showGuideLine;
-        showGuideLine = _;
-        return layer;
-    };
-
-    layer.svgContainer = function(_) {
-        if (!arguments.length) return svgContainer;
-        svgContainer = _;
-        return layer;
-    };
-
-    return layer;
-};
-
-/* Utility class that uses d3.bisect to find the index in a given array, where a search value can be inserted.
- This is different from normal bisectLeft; this function finds the nearest index to insert the search value.
-
- For instance, lets say your array is [1,2,3,5,10,30], and you search for 28.
- Normal d3.bisectLeft will return 4, because 28 is inserted after the number 10.  But interactiveBisect will return 5
- because 28 is closer to 30 than 10.
-
- Unit tests can be found in: interactiveBisectTest.html
-
- Has the following known issues:
- * Will not work if the data points move backwards (ie, 10,9,8,7, etc) or if the data points are in random order.
- * Won't work if there are duplicate x coordinate values.
- */
-nv.interactiveBisect = function (values, searchVal, xAccessor) {
-    "use strict";
-    if (! (values instanceof Array)) {
-        return null;
-    }
-    var _xAccessor;
-    if (typeof xAccessor !== 'function') {
-        _xAccessor = function(d) {
-            return d.x;
-        }
-    } else {
-        _xAccessor = xAccessor;
-    }
-    var _cmp = function(d, v) {
-        // Accessors are no longer passed the index of the element along with
-        // the element itself when invoked by d3.bisector.
-        //
-        // Starting at D3 v3.4.4, d3.bisector() started inspecting the
-        // function passed to determine if it should consider it an accessor
-        // or a comparator. This meant that accessors that take two arguments
-        // (expecting an index as the second parameter) are treated as
-        // comparators where the second argument is the search value against
-        // which the first argument is compared.
-        return _xAccessor(d) - v;
-    };
-
-    var bisect = d3.bisector(_cmp).left;
-    var index = d3.max([0, bisect(values,searchVal) - 1]);
-    var currentValue = _xAccessor(values[index]);
-
-    if (typeof currentValue === 'undefined') {
-        currentValue = index;
-    }
-
-    if (currentValue === searchVal) {
-        return index; //found exact match
-    }
-
-    var nextIndex = d3.min([index+1, values.length - 1]);
-    var nextValue = _xAccessor(values[nextIndex]);
-
-    if (typeof nextValue === 'undefined') {
-        nextValue = nextIndex;
-    }
-
-    if (Math.abs(nextValue - searchVal) >= Math.abs(currentValue - searchVal)) {
-        return index;
-    } else {
-        return nextIndex
-    }
-};
-
-/*
- Returns the index in the array "values" that is closest to searchVal.
- Only returns an index if searchVal is within some "threshold".
- Otherwise, returns null.
- */
-nv.nearestValueIndex = function (values, searchVal, threshold) {
-    "use strict";
-    var yDistMax = Infinity, indexToHighlight = null;
-    values.forEach(function(d,i) {
-        var delta = Math.abs(searchVal - d);
-        if ( d != null && delta <= yDistMax && delta < threshold) {
-            yDistMax = delta;
-            indexToHighlight = i;
-        }
-    });
-    return indexToHighlight;
-};
-
-/* Model which can be instantiated to handle tooltip rendering.
- Example usage:
- var tip = nv.models.tooltip().gravity('w').distance(23)
- .data(myDataObject);
-
- tip();    //just invoke the returned function to render tooltip.
- */
-nv.models.tooltip = function() {
-    "use strict";
-
-    /*
-    Tooltip data. If data is given in the proper format, a consistent tooltip is generated.
-    Example Format of data:
-    {
-        key: "Date",
-        value: "August 2009",
-        series: [
-            {key: "Series 1", value: "Value 1", color: "#000"},
-            {key: "Series 2", value: "Value 2", color: "#00f"}
-        ]
-    }
-    */
-    var id = "nvtooltip-" + Math.floor(Math.random() * 100000) // Generates a unique id when you create a new tooltip() object.
-        ,   data = null
-        ,   gravity = 'w'   // Can be 'n','s','e','w'. Determines how tooltip is positioned.
-        ,   distance = 25 // Distance to offset tooltip from the mouse location.
-        ,   snapDistance = 0   // Tolerance allowed before tooltip is moved from its current position (creates 'snapping' effect)
-        ,   classes = null  // Attaches additional CSS classes to the tooltip DIV that is created.
-        ,   chartContainer = null // Parent dom element of the SVG that holds the chart.
-        ,   hidden = true  // Start off hidden, toggle with hide/show functions below.
-        ,   hideDelay = 200  // Delay (in ms) before the tooltip hides after calling hide().
-        ,   tooltip = null // d3 select of the tooltip div.
-        ,   lastPosition = { left: null, top: null } // Last position the tooltip was in.
-        ,   enabled = true  // True -> tooltips are rendered. False -> don't render tooltips.
-        ,   duration = 100 // Tooltip movement duration, in ms.
-        ,   headerEnabled = true // If is to show the tooltip header.
-        ,   nvPointerEventsClass = "nv-pointer-events-none" // CSS class to specify whether element should not have mouse events.
-    ;
-
-    /*
-     Function that returns the position (relative to the viewport) the tooltip should be placed in.
-     Should return: {
-        left: <leftPos>,
-        top: <topPos>
-     }
-     */
-    var position = function() {
-        return {
-            left: d3.event !== null ? d3.event.clientX : 0,
-            top: d3.event !== null ? d3.event.clientY : 0
-        };
-    };
-
-    // Format function for the tooltip values column.
-    var valueFormatter = function(d, i) {
-        return d;
-    };
-
-    // Format function for the tooltip header value.
-    var headerFormatter = function(d) {
-        return d;
-    };
-
-    var keyFormatter = function(d, i) {
-        return d;
-    };
-
-    // By default, the tooltip model renders a beautiful table inside a DIV.
-    // You can override this function if a custom tooltip is desired.
-    var contentGenerator = function(d) {
-        if (d === null) {
-            return '';
-        }
-
-        var table = d3.select(document.createElement("table"));
-        if (headerEnabled) {
-            var theadEnter = table.selectAll("thead")
-                .data([d])
-                .enter().append("thead");
-
-            theadEnter.append("tr")
-                .append("td")
-                .attr("colspan", 3)
-                .append("strong")
-                .classed("x-value", true)
-                .html(headerFormatter(d.value));
-        }
-
-        var tbodyEnter = table.selectAll("tbody")
-            .data([d])
-            .enter().append("tbody");
-
-        var trowEnter = tbodyEnter.selectAll("tr")
-                .data(function(p) { return p.series})
-                .enter()
-                .append("tr")
-                .classed("highlight", function(p) { return p.highlight});
-
-        trowEnter.append("td")
-            .classed("legend-color-guide",true)
-            .append("div")
-            .style("background-color", function(p) { return p.color});
-
-        trowEnter.append("td")
-            .classed("key",true)
-            .classed("total",function(p) { return !!p.total})
-            .html(function(p, i) { return keyFormatter(p.key, i)});
-
-        trowEnter.append("td")
-            .classed("value",true)
-            .html(function(p, i) { return valueFormatter(p.value, i) });
-
-        trowEnter.selectAll("td").each(function(p) {
-            if (p.highlight) {
-                var opacityScale = d3.scale.linear().domain([0,1]).range(["#fff",p.color]);
-                var opacity = 0.6;
-                d3.select(this)
-                    .style("border-bottom-color", opacityScale(opacity))
-                    .style("border-top-color", opacityScale(opacity))
-                ;
-            }
-        });
-
-        var html = table.node().outerHTML;
-        if (d.footer !== undefined)
-            html += "<div class='footer'>" + d.footer + "</div>";
-        return html;
-
-    };
-
-    var dataSeriesExists = function(d) {
-        if (d && d.series) {
-            if (nv.utils.isArray(d.series)) {
-                return true;
-            }
-            // if object, it's okay just convert to array of the object
-            if (nv.utils.isObject(d.series)) {
-                d.series = [d.series];
-                return true;
-            }
-        }
-        return false;
-    };
-
-    // Calculates the gravity offset of the tooltip. Parameter is position of tooltip
-    // relative to the viewport.
-    var calcGravityOffset = function(pos) {
-        var height = tooltip.node().offsetHeight,
-            width = tooltip.node().offsetWidth,
-            clientWidth = document.documentElement.clientWidth, // Don't want scrollbars.
-            clientHeight = document.documentElement.clientHeight, // Don't want scrollbars.
-            left, top, tmp;
-
-        // calculate position based on gravity
-        switch (gravity) {
-            case 'e':
-                left = - width - distance;
-                top = - (height / 2);
-                if(pos.left + left < 0) left = distance;
-                if((tmp = pos.top + top) < 0) top -= tmp;
-                if((tmp = pos.top + top + height) > clientHeight) top -= tmp - clientHeight;
-                break;
-            case 'w':
-                left = distance;
-                top = - (height / 2);
-                if (pos.left + left + width > clientWidth) left = - width - distance;
-                if ((tmp = pos.top + top) < 0) top -= tmp;
-                if ((tmp = pos.top + top + height) > clientHeight) top -= tmp - clientHeight;
-                break;
-            case 'n':
-                left = - (width / 2) - 5; // - 5 is an approximation of the mouse's height.
-                top = distance;
-                if (pos.top + top + height > clientHeight) top = - height - distance;
-                if ((tmp = pos.left + left) < 0) left -= tmp;
-                if ((tmp = pos.left + left + width) > clientWidth) left -= tmp - clientWidth;
-                break;
-            case 's':
-                left = - (width / 2);
-                top = - height - distance;
-                if (pos.top + top < 0) top = distance;
-                if ((tmp = pos.left + left) < 0) left -= tmp;
-                if ((tmp = pos.left + left + width) > clientWidth) left -= tmp - clientWidth;
-                break;
-            case 'center':
-                left = - (width / 2);
-                top = - (height / 2);
-                break;
-            default:
-                left = 0;
-                top = 0;
-                break;
-        }
-
-        return { 'left': left, 'top': top };
-    };
-
-    /*
-     Positions the tooltip in the correct place, as given by the position() function.
-     */
-    var positionTooltip = function() {
-        nv.dom.read(function() {
-            var pos = position(),
-                gravityOffset = calcGravityOffset(pos),
-                left = pos.left + gravityOffset.left,
-                top = pos.top + gravityOffset.top;
-
-            // delay hiding a bit to avoid flickering
-            if (hidden) {
-                tooltip
-                    .interrupt()
-                    .transition()
-                    .delay(hideDelay)
-                    .duration(0)
-                    .style('opacity', 0);
-            } else {
-                // using tooltip.style('transform') returns values un-usable for tween
-                var old_translate = 'translate(' + lastPosition.left + 'px, ' + lastPosition.top + 'px)';
-                var new_translate = 'translate(' + left + 'px, ' + top + 'px)';
-                var translateInterpolator = d3.interpolateString(old_translate, new_translate);
-                var is_hidden = tooltip.style('opacity') < 0.1;
-
-                tooltip
-                    .interrupt() // cancel running transitions
-                    .transition()
-                    .duration(is_hidden ? 0 : duration)
-                    // using tween since some versions of d3 can't auto-tween a translate on a div
-                    .styleTween('transform', function (d) {
-                        return translateInterpolator;
-                    }, 'important')
-                    // Safari has its own `-webkit-transform` and does not support `transform`
-                    .styleTween('-webkit-transform', function (d) {
-                        return translateInterpolator;
-                    })
-                    .style('-ms-transform', new_translate)
-                    .style('opacity', 1);
-            }
-
-            lastPosition.left = left;
-            lastPosition.top = top;
-        });
-    };
-
-    // Creates new tooltip container, or uses existing one on DOM.
-    function initTooltip() {
-        if (!tooltip || !tooltip.node()) {
-            var container = chartContainer ? chartContainer : document.body;
-            // Create new tooltip div if it doesn't exist on DOM.
-
-            var data = [1];
-            tooltip = d3.select(container).selectAll('.nvtooltip').data(data);
-
-            tooltip.enter().append('div')
-                   .attr("class", "nvtooltip " + (classes ? classes : "xy-tooltip"))
-                   .attr("id", id)
-                   .style("top", 0).style("left", 0)
-                   .style('opacity', 0)
-                   .style('position', 'fixed')
-                   .selectAll("div, table, td, tr").classed(nvPointerEventsClass, true)
-                   .classed(nvPointerEventsClass, true);
-
-            tooltip.exit().remove()
-        }
-    }
-
-    // Draw the tooltip onto the DOM.
-    function nvtooltip() {
-        if (!enabled) return;
-        if (!dataSeriesExists(data)) return;
-
-        nv.dom.write(function () {
-            initTooltip();
-            // Generate data and set it into tooltip.
-            // Bonus - If you override contentGenerator and return falsey you can use something like
-            //         React or Knockout to bind the data for your tooltip.
-            var newContent = contentGenerator(data);
-            if (newContent) {
-                tooltip.node().innerHTML = newContent;
-            }
-
-            positionTooltip();
-        });
-
-        return nvtooltip;
-    }
-
-    nvtooltip.nvPointerEventsClass = nvPointerEventsClass;
-    nvtooltip.options = nv.utils.optionsFunc.bind(nvtooltip);
-
-    nvtooltip._options = Object.create({}, {
-        // simple read/write options
-        duration: {get: function(){return duration;}, set: function(_){duration=_;}},
-        gravity: {get: function(){return gravity;}, set: function(_){gravity=_;}},
-        distance: {get: function(){return distance;}, set: function(_){distance=_;}},
-        snapDistance: {get: function(){return snapDistance;}, set: function(_){snapDistance=_;}},
-        classes: {get: function(){return classes;}, set: function(_){classes=_;}},
-        chartContainer: {get: function(){return chartContainer;}, set: function(_){chartContainer=_;}},
-        enabled: {get: function(){return enabled;}, set: function(_){enabled=_;}},
-        hideDelay: {get: function(){return hideDelay;}, set: function(_){hideDelay=_;}},
-        contentGenerator: {get: function(){return contentGenerator;}, set: function(_){contentGenerator=_;}},
-        valueFormatter: {get: function(){return valueFormatter;}, set: function(_){valueFormatter=_;}},
-        headerFormatter: {get: function(){return headerFormatter;}, set: function(_){headerFormatter=_;}},
-        keyFormatter: {get: function(){return keyFormatter;}, set: function(_){keyFormatter=_;}},
-        headerEnabled: {get: function(){return headerEnabled;}, set: function(_){headerEnabled=_;}},
-        position: {get: function(){return position;}, set: function(_){position=_;}},
-
-        // Deprecated options
-        fixedTop: {get: function(){return null;}, set: function(_){
-            // deprecated after 1.8.1
-            nv.deprecated('fixedTop', 'feature removed after 1.8.1');
-        }},
-        offset: {get: function(){return {left: 0, top: 0};}, set: function(_){
-            // deprecated after 1.8.1
-            nv.deprecated('offset', 'use chart.tooltip.distance() instead');
-        }},
-
-        // options with extra logic
-        hidden: {get: function(){return hidden;}, set: function(_){
-            if (hidden != _) {
-                hidden = !!_;
-                nvtooltip();
-            }
-        }},
-        data: {get: function(){return data;}, set: function(_){
-            // if showing a single data point, adjust data format with that
-            if (_.point) {
-                _.value = _.point.x;
-                _.series = _.series || {};
-                _.series.value = _.point.y;
-                _.series.color = _.point.color || _.series.color;
-            }
-            data = _;
-        }},
-
-        // read only properties
-        node: {get: function(){return tooltip.node();}, set: function(_){}},
-        id: {get: function(){return id;}, set: function(_){}}
-    });
-
-    nv.utils.initOptions(nvtooltip);
-    return nvtooltip;
-};
-
-
-/*
-Gets the browser window size
-
-Returns object with height and width properties
- */
-nv.utils.windowSize = function() {
-    // Sane defaults
-    var size = {width: 640, height: 480};
-
-    // Most recent browsers use
-    if (window.innerWidth && window.innerHeight) {
-        size.width = window.innerWidth;
-        size.height = window.innerHeight;
-        return (size);
-    }
-
-    // IE can use depending on mode it is in
-    if (document.compatMode=='CSS1Compat' &&
-        document.documentElement &&
-        document.documentElement.offsetWidth ) {
-
-        size.width = document.documentElement.offsetWidth;
-        size.height = document.documentElement.offsetHeight;
-        return (size);
-    }
-
-    // Earlier IE uses Doc.body
-    if (document.body && document.body.offsetWidth) {
-        size.width = document.body.offsetWidth;
-        size.height = document.body.offsetHeight;
-        return (size);
-    }
-
-    return (size);
-};
-
-
-/* handle dumb browser quirks...  isinstance breaks if you use frames
-typeof returns 'object' for null, NaN is a number, etc.
- */
-nv.utils.isArray = Array.isArray;
-nv.utils.isObject = function(a) {
-    return a !== null && typeof a === 'object';
-};
-nv.utils.isFunction = function(a) {
-    return typeof a === 'function';
-};
-nv.utils.isDate = function(a) {
-    return toString.call(a) === '[object Date]';
-};
-nv.utils.isNumber = function(a) {
-    return !isNaN(a) && typeof a === 'number';
-};
-
-
-/*
-Binds callback function to run when window is resized
- */
-nv.utils.windowResize = function(handler) {
-    if (window.addEventListener) {
-        window.addEventListener('resize', handler);
-    } else {
-        nv.log("ERROR: Failed to bind to window.resize with: ", handler);
-    }
-    // return object with clear function to remove the single added callback.
-    return {
-        callback: handler,
-        clear: function() {
-            window.removeEventListener('resize', handler);
-        }
-    }
-};
-
-
-/*
-Backwards compatible way to implement more d3-like coloring of graphs.
-Can take in nothing, an array, or a function/scale
-To use a normal scale, get the range and pass that because we must be able
-to take two arguments and use the index to keep backward compatibility
-*/
-nv.utils.getColor = function(color) {
-    //if you pass in nothing, get default colors back
-    if (color === undefined) {
-        return nv.utils.defaultColor();
-
-    //if passed an array, turn it into a color scale
-    } else if(nv.utils.isArray(color)) {
-        var color_scale = d3.scale.ordinal().range(color);
-        return function(d, i) {
-            var key = i === undefined ? d : i;
-            return d.color || color_scale(key);
-        };
-
-    //if passed a function or scale, return it, or whatever it may be
-    //external libs, such as angularjs-nvd3-directives use this
-    } else {
-        //can't really help it if someone passes rubbish as color
-        return color;
-    }
-};
-
-
-/*
-Default color chooser uses a color scale of 20 colors from D3
- https://github.com/mbostock/d3/wiki/Ordinal-Scales#categorical-colors
- */
-nv.utils.defaultColor = function() {
-    // get range of the scale so we'll turn it into our own function.
-    return nv.utils.getColor(d3.scale.category20().range());
-};
-
-
-/*
-Returns a color function that takes the result of 'getKey' for each series and
-looks for a corresponding color from the dictionary
-*/
-nv.utils.customTheme = function(dictionary, getKey, defaultColors) {
-    // use default series.key if getKey is undefined
-    getKey = getKey || function(series) { return series.key };
-    defaultColors = defaultColors || d3.scale.category20().range();
-
-    // start at end of default color list and walk back to index 0
-    var defIndex = defaultColors.length;
-
-    return function(series, index) {
-        var key = getKey(series);
-        if (nv.utils.isFunction(dictionary[key])) {
-            return dictionary[key]();
-        } else if (dictionary[key] !== undefined) {
-            return dictionary[key];
-        } else {
-            // no match in dictionary, use a default color
-            if (!defIndex) {
-                // used all the default colors, start over
-                defIndex = defaultColors.length;
-            }
-            defIndex = defIndex - 1;
-            return defaultColors[defIndex];
-        }
-    };
-};
-
-
-/*
-From the PJAX example on d3js.org, while this is not really directly needed
-it's a very cool method for doing pjax, I may expand upon it a little bit,
-open to suggestions on anything that may be useful
-*/
-nv.utils.pjax = function(links, content) {
-
-    var load = function(href) {
-        d3.html(href, function(fragment) {
-            var target = d3.select(content).node();
-            target.parentNode.replaceChild(
-                d3.select(fragment).select(content).node(),
-                target);
-            nv.utils.pjax(links, content);
-        });
-    };
-
-    d3.selectAll(links).on("click", function() {
-        history.pushState(this.href, this.textContent, this.href);
-        load(this.href);
-        d3.event.preventDefault();
-    });
-
-    d3.select(window).on("popstate", function() {
-        if (d3.event.state) {
-            load(d3.event.state);
-        }
-    });
-};
-
-
-/*
-For when we want to approximate the width in pixels for an SVG:text element.
-Most common instance is when the element is in a display:none; container.
-Forumla is : text.length * font-size * constant_factor
-*/
-nv.utils.calcApproxTextWidth = function (svgTextElem) {
-    if (nv.utils.isFunction(svgTextElem.style) && nv.utils.isFunction(svgTextElem.text)) {
-        var fontSize = parseInt(svgTextElem.style("font-size").replace("px",""), 10);
-        var textLength = svgTextElem.text().length;
-        return nv.utils.NaNtoZero(textLength * fontSize * 0.5);
-    }
-    return 0;
-};
-
-
-/*
-Numbers that are undefined, null or NaN, convert them to zeros.
-*/
-nv.utils.NaNtoZero = function(n) {
-    if (!nv.utils.isNumber(n)
-        || isNaN(n)
-        || n === null
-        || n === Infinity
-        || n === -Infinity) {
-
-        return 0;
-    }
-    return n;
-};
-
-/*
-Add a way to watch for d3 transition ends to d3
-*/
-d3.selection.prototype.watchTransition = function(renderWatch){
-    var args = [this].concat([].slice.call(arguments, 1));
-    return renderWatch.transition.apply(renderWatch, args);
-};
-
-
-/*
-Helper object to watch when d3 has rendered something
-*/
-nv.utils.renderWatch = function(dispatch, duration) {
-    if (!(this instanceof nv.utils.renderWatch)) {
-        return new nv.utils.renderWatch(dispatch, duration);
-    }
-
-    var _duration = duration !== undefined ? duration : 250;
-    var renderStack = [];
-    var self = this;
-
-    this.models = function(models) {
-        models = [].slice.call(arguments, 0);
-        models.forEach(function(model){
-            model.__rendered = false;
-            (function(m){
-                m.dispatch.on('renderEnd', function(arg){
-                    m.__rendered = true;
-                    self.renderEnd('model');
-                });
-            })(model);
-
-            if (renderStack.indexOf(model) < 0) {
-                renderStack.push(model);
-            }
-        });
-    return this;
-    };
-
-    this.reset = function(duration) {
-        if (duration !== undefined) {
-            _duration = duration;
-        }
-        renderStack = [];
-    };
-
-    this.transition = function(selection, args, duration) {
-        args = arguments.length > 1 ? [].slice.call(arguments, 1) : [];
-
-        if (args.length > 1) {
-            duration = args.pop();
-        } else {
-            duration = _duration !== undefined ? _duration : 250;
-        }
-        selection.__rendered = false;
-
-        if (renderStack.indexOf(selection) < 0) {
-            renderStack.push(selection);
-        }
-
-        if (duration === 0) {
-            selection.__rendered = true;
-            selection.delay = function() { return this; };
-            selection.duration = function() { return this; };
-            return selection;
-        } else {
-            if (selection.length === 0) {
-                selection.__rendered = true;
-            } else if (selection.every( function(d){ return !d.length; } )) {
-                selection.__rendered = true;
-            } else {
-                selection.__rendered = false;
-            }
-
-            var n = 0;
-            return selection
-                .transition()
-                .duration(duration)
-                .each(function(){ ++n; })
-                .each('end', function(d, i) {
-                    if (--n === 0) {
-                        selection.__rendered = true;
-                        self.renderEnd.apply(this, args);
-                    }
-                });
-        }
-    };
-
-    this.renderEnd = function() {
-        if (renderStack.every( function(d){ return d.__rendered; } )) {
-            renderStack.forEach( function(d){ d.__rendered = false; });
-            dispatch.renderEnd.apply(this, arguments);
-        }
-    }
-
-};
-
-
-/*
-Takes multiple objects and combines them into the first one (dst)
-example:  nv.utils.deepExtend({a: 1}, {a: 2, b: 3}, {c: 4});
-gives:  {a: 2, b: 3, c: 4}
-*/
-nv.utils.deepExtend = function(dst){
-    var sources = arguments.length > 1 ? [].slice.call(arguments, 1) : [];
-    sources.forEach(function(source) {
-        for (var key in source) {
-            var isArray = nv.utils.isArray(dst[key]);
-            var isObject = nv.utils.isObject(dst[key]);
-            var srcObj = nv.utils.isObject(source[key]);
-
-            if (isObject && !isArray && srcObj) {
-                nv.utils.deepExtend(dst[key], source[key]);
-            } else {
-                dst[key] = source[key];
-            }
-        }
-    });
-};
-
-
-/*
-state utility object, used to track d3 states in the models
-*/
-nv.utils.state = function(){
-    if (!(this instanceof nv.utils.state)) {
-        return new nv.utils.state();
-    }
-    var state = {};
-    var _self = this;
-    var _setState = function(){};
-    var _getState = function(){ return {}; };
-    var init = null;
-    var changed = null;
-
-    this.dispatch = d3.dispatch('change', 'set');
-
-    this.dispatch.on('set', function(state){
-        _setState(state, true);
-    });
-
-    this.getter = function(fn){
-        _getState = fn;
-        return this;
-    };
-
-    this.setter = function(fn, callback) {
-        if (!callback) {
-            callback = function(){};
-        }
-        _setState = function(state, update){
-            fn(state);
-            if (update) {
-                callback();
-            }
-        };
-        return this;
-    };
-
-    this.init = function(state){
-        init = init || {};
-        nv.utils.deepExtend(init, state);
-    };
-
-    var _set = function(){
-        var settings = _getState();
-
-        if (JSON.stringify(settings) === JSON.stringify(state)) {
-            return false;
-        }
-
-        for (var key in settings) {
-            if (state[key] === undefined) {
-                state[key] = {};
-            }
-            state[key] = settings[key];
-            changed = true;
-        }
-        return true;
-    };
-
-    this.update = function(){
-        if (init) {
-            _setState(init, false);
-            init = null;
-        }
-        if (_set.call(this)) {
-            this.dispatch.change(state);
-        }
-    };
-
-};
-
-
-/*
-Snippet of code you can insert into each nv.models.* to give you the ability to
-do things like:
-chart.options({
-  showXAxis: true,
-  tooltips: true
-});
-
-To enable in the chart:
-chart.options = nv.utils.optionsFunc.bind(chart);
-*/
-nv.utils.optionsFunc = function(args) {
-    if (args) {
-        d3.map(args).forEach((function(key,value) {
-            if (nv.utils.isFunction(this[key])) {
-                this[key](value);
-            }
-        }).bind(this));
-    }
-    return this;
-};
-
-
-/*
-numTicks:  requested number of ticks
-data:  the chart data
-
-returns the number of ticks to actually use on X axis, based on chart data
-to avoid duplicate ticks with the same value
-*/
-nv.utils.calcTicksX = function(numTicks, data) {
-    // find max number of values from all data streams
-    var numValues = 1;
-    var i = 0;
-    for (i; i < data.length; i += 1) {
-        var stream_len = data[i] && data[i].values ? data[i].values.length : 0;
-        numValues = stream_len > numValues ? stream_len : numValues;
-    }
-    nv.log("Requested number of ticks: ", numTicks);
-    nv.log("Calculated max values to be: ", numValues);
-    // make sure we don't have more ticks than values to avoid duplicates
-    numTicks = numTicks > numValues ? numTicks = numValues - 1 : numTicks;
-    // make sure we have at least one tick
-    numTicks = numTicks < 1 ? 1 : numTicks;
-    // make sure it's an integer
-    numTicks = Math.floor(numTicks);
-    nv.log("Calculating tick count as: ", numTicks);
-    return numTicks;
-};
-
-
-/*
-returns number of ticks to actually use on Y axis, based on chart data
-*/
-nv.utils.calcTicksY = function(numTicks, data) {
-    // currently uses the same logic but we can adjust here if needed later
-    return nv.utils.calcTicksX(numTicks, data);
-};
-
-
-/*
-Add a particular option from an options object onto chart
-Options exposed on a chart are a getter/setter function that returns chart
-on set to mimic typical d3 option chaining, e.g. svg.option1('a').option2('b');
-
-option objects should be generated via Object.create() to provide
-the option of manipulating data via get/set functions.
-*/
-nv.utils.initOption = function(chart, name) {
-    // if it's a call option, just call it directly, otherwise do get/set
-    if (chart._calls && chart._calls[name]) {
-        chart[name] = chart._calls[name];
-    } else {
-        chart[name] = function (_) {
-            if (!arguments.length) return chart._options[name];
-            chart._overrides[name] = true;
-            chart._options[name] = _;
-            return chart;
-        };
-        // calling the option as _option will ignore if set by option already
-        // so nvd3 can set options internally but the stop if set manually
-        chart['_' + name] = function(_) {
-            if (!arguments.length) return chart._options[name];
-            if (!chart._overrides[name]) {
-                chart._options[name] = _;
-            }
-            return chart;
-        }
-    }
-};
-
-
-/*
-Add all options in an options object to the chart
-*/
-nv.utils.initOptions = function(chart) {
-    chart._overrides = chart._overrides || {};
-    var ops = Object.getOwnPropertyNames(chart._options || {});
-    var calls = Object.getOwnPropertyNames(chart._calls || {});
-    ops = ops.concat(calls);
-    for (var i in ops) {
-        nv.utils.initOption(chart, ops[i]);
-    }
-};
-
-
-/*
-Inherit options from a D3 object
-d3.rebind makes calling the function on target actually call it on source
-Also use _d3options so we can track what we inherit for documentation and chained inheritance
-*/
-nv.utils.inheritOptionsD3 = function(target, d3_source, oplist) {
-    target._d3options = oplist.concat(target._d3options || []);
-    oplist.unshift(d3_source);
-    oplist.unshift(target);
-    d3.rebind.apply(this, oplist);
-};
-
-
-/*
-Remove duplicates from an array
-*/
-nv.utils.arrayUnique = function(a) {
-    return a.sort().filter(function(item, pos) {
-        return !pos || item != a[pos - 1];
-    });
-};
-
-
-/*
-Keeps a list of custom symbols to draw from in addition to d3.svg.symbol
-Necessary since d3 doesn't let you extend its list -_-
-Add new symbols by doing nv.utils.symbols.set('name', function(size){...});
-*/
-nv.utils.symbolMap = d3.map();
-
-
-/*
-Replaces d3.svg.symbol so that we can look both there and our own map
- */
-nv.utils.symbol = function() {
-    var type,
-        size = 64;
-    function symbol(d,i) {
-        var t = type.call(this,d,i);
-        var s = size.call(this,d,i);
-        if (d3.svg.symbolTypes.indexOf(t) !== -1) {
-            return d3.svg.symbol().type(t).size(s)();
-        } else {
-            return nv.utils.symbolMap.get(t)(s);
-        }
-    }
-    symbol.type = function(_) {
-        if (!arguments.length) return type;
-        type = d3.functor(_);
-        return symbol;
-    };
-    symbol.size = function(_) {
-        if (!arguments.length) return size;
-        size = d3.functor(_);
-        return symbol;
-    };
-    return symbol;
-};
-
-
-/*
-Inherit option getter/setter functions from source to target
-d3.rebind makes calling the function on target actually call it on source
-Also track via _inherited and _d3options so we can track what we inherit
-for documentation generation purposes and chained inheritance
-*/
-nv.utils.inheritOptions = function(target, source) {
-    // inherit all the things
-    var ops = Object.getOwnPropertyNames(source._options || {});
-    var calls = Object.getOwnPropertyNames(source._calls || {});
-    var inherited = source._inherited || [];
-    var d3ops = source._d3options || [];
-    var args = ops.concat(calls).concat(inherited).concat(d3ops);
-    args.unshift(source);
-    args.unshift(target);
-    d3.rebind.apply(this, args);
-    // pass along the lists to keep track of them, don't allow duplicates
-    target._inherited = nv.utils.arrayUnique(ops.concat(calls).concat(inherited).concat(ops).concat(target._inherited || []));
-    target._d3options = nv.utils.arrayUnique(d3ops.concat(target._d3options || []));
-};
-
-
-/*
-Runs common initialize code on the svg before the chart builds
-*/
-nv.utils.initSVG = function(svg) {
-    svg.classed({'nvd3-svg':true});
-};
-
-
-/*
-Sanitize and provide default for the container height.
-*/
-nv.utils.sanitizeHeight = function(height, container) {
-    return (height || parseInt(container.style('height'), 10) || 400);
-};
-
-
-/*
-Sanitize and provide default for the container width.
-*/
-nv.utils.sanitizeWidth = function(width, container) {
-    return (width || parseInt(container.style('width'), 10) || 960);
-};
-
-
-/*
-Calculate the available height for a chart.
-*/
-nv.utils.availableHeight = function(height, container, margin) {
-    return Math.max(0,nv.utils.sanitizeHeight(height, container) - margin.top - margin.bottom);
-};
-
-/*
-Calculate the available width for a chart.
-*/
-nv.utils.availableWidth = function(width, container, margin) {
-    return Math.max(0,nv.utils.sanitizeWidth(width, container) - margin.left - margin.right);
-};
-
-/*
-Clear any rendered chart components and display a chart's 'noData' message
-*/
-nv.utils.noData = function(chart, container) {
-    var opt = chart.options(),
-        margin = opt.margin(),
-        noData = opt.noData(),
-        data = (noData == null) ? ["No Data Available."] : [noData],
-        height = nv.utils.availableHeight(null, container, margin),
-        width = nv.utils.availableWidth(null, container, margin),
-        x = margin.left + width/2,
-        y = margin.top + height/2;
-
-    //Remove any previously created chart components
-    container.selectAll('g').remove();
-
-    var noDataText = container.selectAll('.nv-noData').data(data);
-
-    noDataText.enter().append('text')
-        .attr('class', 'nvd3 nv-noData')
-        .attr('dy', '-.7em')
-        .style('text-anchor', 'middle');
-
-    noDataText
-        .attr('x', x)
-        .attr('y', y)
-        .text(function(t){ return t; });
-};
-
-/*
- Wrap long labels.
- */
-nv.utils.wrapTicks = function (text, width) {
-    text.each(function() {
-        var text = d3.select(this),
-            words = text.text().split(/\s+/).reverse(),
-            word,
-            line = [],
-            lineNumber = 0,
-            lineHeight = 1.1,
-            y = text.attr("y"),
-            dy = parseFloat(text.attr("dy")),
-            tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
-        while (word = words.pop()) {
-            line.push(word);
-            tspan.text(line.join(" "));
-            if (tspan.node().getComputedTextLength() > width) {
-                line.pop();
-                tspan.text(line.join(" "));
-                line = [word];
-                tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
-            }
-        }
-    });
-};
-
-/*
-Check equality of 2 array
-*/
-nv.utils.arrayEquals = function (array1, array2) {
-    if (array1 === array2)
-        return true;
-
-    if (!array1 || !array2)
-        return false;
-
-    // compare lengths - can save a lot of time 
-    if (array1.length != array2.length)
-        return false;
-
-    for (var i = 0,
-        l = array1.length; i < l; i++) {
-        // Check if we have nested arrays
-        if (array1[i] instanceof Array && array2[i] instanceof Array) {
-            // recurse into the nested arrays
-            if (!nv.arrayEquals(array1[i], array2[i]))
-                return false;
-        } else if (array1[i] != array2[i]) {
-            // Warning - two different object instances will never be equal: {x:20} != {x:20}
-            return false;
-        }
-    }
-    return true;
-};nv.models.axis = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var axis = d3.svg.axis();
-    var scale = d3.scale.linear();
-
-    var margin = {top: 0, right: 0, bottom: 0, left: 0}
-        , width = 75 //only used for tickLabel currently
-        , height = 60 //only used for tickLabel currently
-        , axisLabelText = null
-        , showMaxMin = true //TODO: showMaxMin should be disabled on all ordinal scaled axes
-        , rotateLabels = 0
-        , rotateYLabel = true
-        , staggerLabels = false
-        , isOrdinal = false
-        , ticks = null
-        , axisLabelDistance = 0
-        , fontSize = undefined
-        , duration = 250
-        , dispatch = d3.dispatch('renderEnd')
-        ;
-    axis
-        .scale(scale)
-        .orient('bottom')
-        .tickFormat(function(d) { return d })
-    ;
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var scale0;
-    var renderWatch = nv.utils.renderWatch(dispatch, duration);
-
-    function chart(selection) {
-        renderWatch.reset();
-        selection.each(function(data) {
-            var container = d3.select(this);
-            nv.utils.initSVG(container);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-axis').data([data]);
-            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-axis');
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-
-            if (ticks !== null)
-                axis.ticks(ticks);
-            else if (axis.orient() == 'top' || axis.orient() == 'bottom')
-                axis.ticks(Math.abs(scale.range()[1] - scale.range()[0]) / 100);
-
-            //TODO: consider calculating width/height based on whether or not label is added, for reference in charts using this component
-            g.watchTransition(renderWatch, 'axis').call(axis);
-
-            scale0 = scale0 || axis.scale();
-
-            var fmt = axis.tickFormat();
-            if (fmt == null) {
-                fmt = scale0.tickFormat();
-            }
-
-            var axisLabel = g.selectAll('text.nv-axislabel')
-                .data([axisLabelText || null]);
-            axisLabel.exit().remove();
-
-            //only skip when fontSize is undefined so it can be cleared with a null or blank string
-            if (fontSize !== undefined) {
-                g.selectAll('g').select("text").style('font-size', fontSize);
-            }
-
-            var xLabelMargin;
-            var axisMaxMin;
-            var w;
-            switch (axis.orient()) {
-                case 'top':
-                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
-                  w = 0;
-                  if (scale.range().length === 1) {
-                    w = isOrdinal ? scale.range()[0] * 2 + scale.rangeBand() : 0;
-                  } else if (scale.range().length === 2) {
-                    w = isOrdinal ? scale.range()[0] + scale.range()[1] + scale.rangeBand() : scale.range()[1];
-                  } else if ( scale.range().length > 2){
-                    w = scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]);
-                  };
-                    axisLabel
-                        .attr('text-anchor', 'middle')
-                        .attr('y', 0)
-                        .attr('x', w/2);
-                    if (showMaxMin) {
-                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
-                            .data(scale.domain());
-                        axisMaxMin.enter().append('g').attr('class',function(d,i){
-                                return ['nv-axisMaxMin','nv-axisMaxMin-x',(i == 0 ? 'nv-axisMin-x':'nv-axisMax-x')].join(' ')
-                        }).append('text');
-                        axisMaxMin.exit().remove();
-                        axisMaxMin
-                            .attr('transform', function(d,i) {
-                                return 'translate(' + nv.utils.NaNtoZero(scale(d)) + ',0)'
-                            })
-                            .select('text')
-                            .attr('dy', '-0.5em')
-                            .attr('y', -axis.tickPadding())
-                            .attr('text-anchor', 'middle')
-                            .text(function(d,i) {
-                                var v = fmt(d);
-                                return ('' + v).match('NaN') ? '' : v;
-                            });
-                        axisMaxMin.watchTransition(renderWatch, 'min-max top')
-                            .attr('transform', function(d,i) {
-                                return 'translate(' + nv.utils.NaNtoZero(scale.range()[i]) + ',0)'
-                            });
-                    }
-                    break;
-                case 'bottom':
-                    xLabelMargin = axisLabelDistance + 36;
-                    var maxTextWidth = 30;
-                    var textHeight = 0;
-                    var xTicks = g.selectAll('g').select("text");
-                    var rotateLabelsRule = '';
-                    if (rotateLabels%360) {
-                        //Reset transform on ticks so textHeight can be calculated correctly
-                        xTicks.attr('transform', ''); 
-                        //Calculate the longest xTick width
-                        xTicks.each(function(d,i){
-                            var box = this.getBoundingClientRect();
-                            var width = box.width;
-                            textHeight = box.height;
-                            if(width > maxTextWidth) maxTextWidth = width;
-                        });
-                        rotateLabelsRule = 'rotate(' + rotateLabels + ' 0,' + (textHeight/2 + axis.tickPadding()) + ')';
-                        //Convert to radians before calculating sin. Add 30 to margin for healthy padding.
-                        var sin = Math.abs(Math.sin(rotateLabels*Math.PI/180));
-                        xLabelMargin = (sin ? sin*maxTextWidth : maxTextWidth)+30;
-                        //Rotate all xTicks
-                        xTicks
-                            .attr('transform', rotateLabelsRule)
-                            .style('text-anchor', rotateLabels%360 > 0 ? 'start' : 'end');
-                    } else {
-                        if (staggerLabels) {
-                            xTicks
-                                .attr('transform', function(d,i) {
-                                    return 'translate(0,' + (i % 2 == 0 ? '0' : '12') + ')'
-                                });
-                        } else {
-                            xTicks.attr('transform', "translate(0,0)");
-                        }
-                    }
-                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
-                    w = 0;
-                    if (scale.range().length === 1) {
-                        w = isOrdinal ? scale.range()[0] * 2 + scale.rangeBand() : 0;
-                    } else if (scale.range().length === 2) {
-                        w = isOrdinal ? scale.range()[0] + scale.range()[1] + scale.rangeBand() : scale.range()[1];
-                    } else if ( scale.range().length > 2){
-                        w = scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]);
-                    };
-                    axisLabel
-                        .attr('text-anchor', 'middle')
-                        .attr('y', xLabelMargin)
-                        .attr('x', w/2);
-                    if (showMaxMin) {
-                        //if (showMaxMin && !isOrdinal) {
-                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
-                            //.data(scale.domain())
-                            .data([scale.domain()[0], scale.domain()[scale.domain().length - 1]]);
-                        axisMaxMin.enter().append('g').attr('class',function(d,i){
-                                return ['nv-axisMaxMin','nv-axisMaxMin-x',(i == 0 ? 'nv-axisMin-x':'nv-axisMax-x')].join(' ')
-                        }).append('text');
-                        axisMaxMin.exit().remove();
-                        axisMaxMin
-                            .attr('transform', function(d,i) {
-                                return 'translate(' + nv.utils.NaNtoZero((scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0))) + ',0)'
-                            })
-                            .select('text')
-                            .attr('dy', '.71em')
-                            .attr('y', axis.tickPadding())
-                            .attr('transform', rotateLabelsRule)
-                            .style('text-anchor', rotateLabels ? (rotateLabels%360 > 0 ? 'start' : 'end') : 'middle')
-                            .text(function(d,i) {
-                                var v = fmt(d);
-                                return ('' + v).match('NaN') ? '' : v;
-                            });
-                        axisMaxMin.watchTransition(renderWatch, 'min-max bottom')
-                            .attr('transform', function(d,i) {
-                                return 'translate(' + nv.utils.NaNtoZero((scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0))) + ',0)'
-                            });
-                    }
-
-                    break;
-                case 'right':
-                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
-                    axisLabel
-                        .style('text-anchor', rotateYLabel ? 'middle' : 'begin')
-                        .attr('transform', rotateYLabel ? 'rotate(90)' : '')
-                        .attr('y', rotateYLabel ? (-Math.max(margin.right, width) + 12) : -10) //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
-                        .attr('x', rotateYLabel ? (d3.max(scale.range()) / 2) : axis.tickPadding());
-                    if (showMaxMin) {
-                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
-                            .data(scale.domain());
-                       	axisMaxMin.enter().append('g').attr('class',function(d,i){
-                                return ['nv-axisMaxMin','nv-axisMaxMin-y',(i == 0 ? 'nv-axisMin-y':'nv-axisMax-y')].join(' ')
-                        }).append('text')
-                            .style('opacity', 0);
-                        axisMaxMin.exit().remove();
-                        axisMaxMin
-                            .attr('transform', function(d,i) {
-                                return 'translate(0,' + nv.utils.NaNtoZero(scale(d)) + ')'
-                            })
-                            .select('text')
-                            .attr('dy', '.32em')
-                            .attr('y', 0)
-                            .attr('x', axis.tickPadding())
-                            .style('text-anchor', 'start')
-                            .text(function(d, i) {
-                                var v = fmt(d);
-                                return ('' + v).match('NaN') ? '' : v;
-                            });
-                        axisMaxMin.watchTransition(renderWatch, 'min-max right')
-                            .attr('transform', function(d,i) {
-                                return 'translate(0,' + nv.utils.NaNtoZero(scale.range()[i]) + ')'
-                            })
-                            .select('text')
-                            .style('opacity', 1);
-                    }
-                    break;
-                case 'left':
-                    /*
-                     //For dynamically placing the label. Can be used with dynamically-sized chart axis margins
-                     var yTicks = g.selectAll('g').select("text");
-                     yTicks.each(function(d,i){
-                     var labelPadding = this.getBoundingClientRect().width + axis.tickPadding() + 16;
-                     if(labelPadding > width) width = labelPadding;
-                     });
-                     */
-                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
-                    axisLabel
-                        .style('text-anchor', rotateYLabel ? 'middle' : 'end')
-                        .attr('transform', rotateYLabel ? 'rotate(-90)' : '')
-                        .attr('y', rotateYLabel ? (-Math.max(margin.left, width) + 25 - (axisLabelDistance || 0)) : -10)
-                        .attr('x', rotateYLabel ? (-d3.max(scale.range()) / 2) : -axis.tickPadding());
-                    if (showMaxMin) {
-                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
-                            .data(scale.domain());
-                        axisMaxMin.enter().append('g').attr('class',function(d,i){
-                                return ['nv-axisMaxMin','nv-axisMaxMin-y',(i == 0 ? 'nv-axisMin-y':'nv-axisMax-y')].join(' ')
-                        }).append('text')
-                            .style('opacity', 0);
-                        axisMaxMin.exit().remove();
-                        axisMaxMin
-                            .attr('transform', function(d,i) {
-                                return 'translate(0,' + nv.utils.NaNtoZero(scale0(d)) + ')'
-                            })
-                            .select('text')
-                            .attr('dy', '.32em')
-                            .attr('y', 0)
-                            .attr('x', -axis.tickPadding())
-                            .attr('text-anchor', 'end')
-                            .text(function(d,i) {
-                                var v = fmt(d);
-                                return ('' + v).match('NaN') ? '' : v;
-                            });
-                        axisMaxMin.watchTransition(renderWatch, 'min-max right')
-                            .attr('transform', function(d,i) {
-                                return 'translate(0,' + nv.utils.NaNtoZero(scale.range()[i]) + ')'
-                            })
-                            .select('text')
-                            .style('opacity', 1);
-                    }
-                    break;
-            }
-            axisLabel.text(function(d) { return d });
-
-            if (showMaxMin && (axis.orient() === 'left' || axis.orient() === 'right')) {
-                //check if max and min overlap other values, if so, hide the values that overlap
-                g.selectAll('g') // the g's wrapping each tick
-                    .each(function(d,i) {
-                        d3.select(this).select('text').attr('opacity', 1);
-                        if (scale(d) < scale.range()[1] + 10 || scale(d) > scale.range()[0] - 10) { // 10 is assuming text height is 16... if d is 0, leave it!
-                            if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
-                                d3.select(this).attr('opacity', 0);
-
-                            d3.select(this).select('text').attr('opacity', 0); // Don't remove the ZERO line!!
-                        }
-                    });
-
-                //if Max and Min = 0 only show min, Issue #281
-                if (scale.domain()[0] == scale.domain()[1] && scale.domain()[0] == 0) {
-                    wrap.selectAll('g.nv-axisMaxMin').style('opacity', function (d, i) {
-                        return !i ? 1 : 0
-                    });
-                }
-            }
-
-            if (showMaxMin && (axis.orient() === 'top' || axis.orient() === 'bottom')) {
-                var maxMinRange = [];
-                wrap.selectAll('g.nv-axisMaxMin')
-                    .each(function(d,i) {
-                        try {
-                            if (i) // i== 1, max position
-                                maxMinRange.push(scale(d) - this.getBoundingClientRect().width - 4);  //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
-                            else // i==0, min position
-                                maxMinRange.push(scale(d) + this.getBoundingClientRect().width + 4)
-                        }catch (err) {
-                            if (i) // i== 1, max position
-                                maxMinRange.push(scale(d) - 4);  //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
-                            else // i==0, min position
-                                maxMinRange.push(scale(d) + 4);
-                        }
-                    });
-                // the g's wrapping each tick
-                g.selectAll('g').each(function(d, i) {
-                    if (scale(d) < maxMinRange[0] || scale(d) > maxMinRange[1]) {
-                        if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
-                            d3.select(this).remove();
-                        else
-                            d3.select(this).select('text').remove(); // Don't remove the ZERO line!!
-                    }
-                });
-            }
-
-            //Highlight zero tick line
-            g.selectAll('.tick')
-                .filter(function (d) {
-                    /*
-                    The filter needs to return only ticks at or near zero.
-                    Numbers like 0.00001 need to count as zero as well,
-                    and the arithmetic trick below solves that.
-                    */
-                    return !parseFloat(Math.round(d * 100000) / 1000000) && (d !== undefined)
-                }) 
-                .classed('zero', true);
-            
-            //store old scales for use in transitions on update
-            scale0 = scale.copy();
-
-        });
-
-        renderWatch.renderEnd('axis immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    // expose chart's sub-components
-    chart.axis = axis;
-    chart.dispatch = dispatch;
-
-    chart.options = nv.utils.optionsFunc.bind(chart);
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        axisLabelDistance: {get: function(){return axisLabelDistance;}, set: function(_){axisLabelDistance=_;}},
-        staggerLabels:     {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
-        rotateLabels:      {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
-        rotateYLabel:      {get: function(){return rotateYLabel;}, set: function(_){rotateYLabel=_;}},
-        showMaxMin:        {get: function(){return showMaxMin;}, set: function(_){showMaxMin=_;}},
-        axisLabel:         {get: function(){return axisLabelText;}, set: function(_){axisLabelText=_;}},
-        height:            {get: function(){return height;}, set: function(_){height=_;}},
-        ticks:             {get: function(){return ticks;}, set: function(_){ticks=_;}},
-        width:             {get: function(){return width;}, set: function(_){width=_;}},
-        fontSize:          {get: function(){return fontSize;}, set: function(_){fontSize=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top !== undefined    ? _.top    : margin.top;
-            margin.right  = _.right !== undefined  ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left !== undefined   ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration=_;
-            renderWatch.reset(duration);
-        }},
-        scale: {get: function(){return scale;}, set: function(_){
-            scale = _;
-            axis.scale(scale);
-            isOrdinal = typeof scale.rangeBands === 'function';
-            nv.utils.inheritOptionsD3(chart, scale, ['domain', 'range', 'rangeBand', 'rangeBands']);
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-    nv.utils.inheritOptionsD3(chart, axis, ['orient', 'tickValues', 'tickSubdivide', 'tickSize', 'tickPadding', 'tickFormat']);
-    nv.utils.inheritOptionsD3(chart, scale, ['domain', 'range', 'rangeBand', 'rangeBands']);
-
-    return chart;
-};
-
-nv.models.scatter = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var margin       = {top: 0, right: 0, bottom: 0, left: 0}
-        , width        = null
-        , height       = null
-        , color        = nv.utils.defaultColor() // chooses color
-        , id           = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't select one
-        , container    = null
-        , x            = d3.scale.linear()
-        , y            = d3.scale.linear()
-        , z            = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
-        , getX         = function(d) { return d.x } // accessor to get the x value
-        , getY         = function(d) { return d.y } // accessor to get the y value
-        , getSize      = function(d) { return d.size || 1} // accessor to get the point size
-        , getShape     = function(d) { return d.shape || 'circle' } // accessor to get point shape
-        , forceX       = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
-        , forceY       = [] // List of numbers to Force into the Y scale
-        , forceSize    = [] // List of numbers to Force into the Size scale
-        , interactive  = true // If true, plots a voronoi overlay for advanced point intersection
-        , pointActive  = function(d) { return !d.notActive } // any points that return false will be filtered out
-        , padData      = false // If true, adds half a data points width to front and back, for lining up a line chart with a bar chart
-        , padDataOuter = .1 //outerPadding to imitate ordinal scale outer padding
-        , clipEdge     = false // if true, masks points within x and y scale
-        , clipVoronoi  = true // if true, masks each point with a circle... can turn off to slightly increase performance
-        , showVoronoi  = false // display the voronoi areas
-        , clipRadius   = function() { return 25 } // function to get the radius for voronoi point clips
-        , xDomain      = null // Override x domain (skips the calculation from data)
-        , yDomain      = null // Override y domain
-        , xRange       = null // Override x range
-        , yRange       = null // Override y range
-        , sizeDomain   = null // Override point size domain
-        , sizeRange    = null
-        , singlePoint  = false
-        , dispatch     = d3.dispatch('elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
-        , useVoronoi   = true
-        , duration     = 250
-        , interactiveUpdateDelay = 300
-        , showLabels    = false 
-        ;
-
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var x0, y0, z0 // used to store previous scales
-        , timeoutID
-        , needsUpdate = false // Flag for when the points are visually updating, but the interactive layer is behind, to disable tooltips
-        , renderWatch = nv.utils.renderWatch(dispatch, duration)
-        , _sizeRange_def = [16, 256]
-        , _caches
-        ;
-
-    function getCache(d) {
-        var cache, i;
-        cache = _caches = _caches || {};
-        i = d[0].series;
-        cache = cache[i] = cache[i] || {};
-        i = d[1];
-        cache = cache[i] = cache[i] || {};
-        return cache;
-    }
-
-    function getDiffs(d) {
-        var i, key,
-            point = d[0],
-            cache = getCache(d),
-            diffs = false;
-        for (i = 1; i < arguments.length; i ++) {
-            key = arguments[i];
-            if (cache[key] !== point[key] || !cache.hasOwnProperty(key)) {
-                cache[key] = point[key];
-                diffs = true;
-            }
-        }
-        return diffs;
-    }
-
-    function chart(selection) {
-        renderWatch.reset();
-        selection.each(function(data) {
-            container = d3.select(this);
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight = nv.utils.availableHeight(height, container, margin);
-
-            nv.utils.initSVG(container);
-
-            //add series index to each data point for reference
-            data.forEach(function(series, i) {
-                series.values.forEach(function(point) {
-                    point.series = i;
-                });
-            });
-
-            // Setup Scales
-            var logScale = chart.yScale().name === d3.scale.log().name ? true : false; 
-            // remap and flatten the data for use in calculating the scales' domains
-            var seriesData = (xDomain && yDomain && sizeDomain) ? [] : // if we know xDomain and yDomain and sizeDomain, no need to calculate.... if Size is constant remember to set sizeDomain to speed up performance
-                d3.merge(
-                    data.map(function(d) {
-                        return d.values.map(function(d,i) {
-                            return { x: getX(d,i), y: getY(d,i), size: getSize(d,i) }
-                        })
-                    })
-                );
-
-            x   .domain(xDomain || d3.extent(seriesData.map(function(d) { return d.x; }).concat(forceX)))
-
-            if (padData && data[0])
-                x.range(xRange || [(availableWidth * padDataOuter +  availableWidth) / (2 *data[0].values.length), availableWidth - availableWidth * (1 + padDataOuter) / (2 * data[0].values.length)  ]);
-            //x.range([availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5)  / data[0].values.length ]);
-            else
-                x.range(xRange || [0, availableWidth]);
-
-             if (logScale) {
-                    var min = d3.min(seriesData.map(function(d) { if (d.y !== 0) return d.y; }));
-                    y.clamp(true)
-                        .domain(yDomain || d3.extent(seriesData.map(function(d) {
-                            if (d.y !== 0) return d.y;
-                            else return min * 0.1;
-                        }).concat(forceY)))
-                        .range(yRange || [availableHeight, 0]);
-                } else {
-                        y.domain(yDomain || d3.extent(seriesData.map(function (d) { return d.y;}).concat(forceY)))
-                        .range(yRange || [availableHeight, 0]);
-                }
-
-            z   .domain(sizeDomain || d3.extent(seriesData.map(function(d) { return d.size }).concat(forceSize)))
-                .range(sizeRange || _sizeRange_def);
-
-            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
-            singlePoint = x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1];
-
-            if (x.domain()[0] === x.domain()[1])
-                x.domain()[0] ?
-                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
-                    : x.domain([-1,1]);
-
-            if (y.domain()[0] === y.domain()[1])
-                y.domain()[0] ?
-                    y.domain([y.domain()[0] - y.domain()[0] * 0.01, y.domain()[1] + y.domain()[1] * 0.01])
-                    : y.domain([-1,1]);
-
-            if ( isNaN(x.domain()[0])) {
-                x.domain([-1,1]);
-            }
-
-            if ( isNaN(y.domain()[0])) {
-                y.domain([-1,1]);
-            }
-
-            x0 = x0 || x;
-            y0 = y0 || y;
-            z0 = z0 || z;
-
-            var scaleDiff = x(1) !== x0(1) || y(1) !== y0(1) || z(1) !== z0(1);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-scatter').data([data]);
-            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatter nv-chart-' + id);
-            var defsEnter = wrapEnter.append('defs');
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-
-            wrap.classed('nv-single-point', singlePoint);
-            gEnter.append('g').attr('class', 'nv-groups');
-            gEnter.append('g').attr('class', 'nv-point-paths');
-            wrapEnter.append('g').attr('class', 'nv-point-clips');
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            defsEnter.append('clipPath')
-                .attr('id', 'nv-edge-clip-' + id)
-                .append('rect');
-
-            wrap.select('#nv-edge-clip-' + id + ' rect')
-                .attr('width', availableWidth)
-                .attr('height', (availableHeight > 0) ? availableHeight : 0);
-
-            g.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
-
-            function updateInteractiveLayer() {
-                // Always clear needs-update flag regardless of whether or not
-                // we will actually do anything (avoids needless invocations).
-                needsUpdate = false;
-
-                if (!interactive) return false;
-
-                // inject series and point index for reference into voronoi
-                if (useVoronoi === true) {
-                    var vertices = d3.merge(data.map(function(group, groupIndex) {
-                            return group.values
-                                .map(function(point, pointIndex) {
-                                    // *Adding noise to make duplicates very unlikely
-                                    // *Injecting series and point index for reference
-                                    /* *Adding a 'jitter' to the points, because there's an issue in d3.geom.voronoi.
-                                     */
-                                    var pX = getX(point,pointIndex);
-                                    var pY = getY(point,pointIndex);
-
-                                    return [nv.utils.NaNtoZero(x(pX))+ Math.random() * 1e-4,
-                                            nv.utils.NaNtoZero(y(pY))+ Math.random() * 1e-4,
-                                        groupIndex,
-                                        pointIndex, point]; //temp hack to add noise until I think of a better way so there are no duplicates
-                                })
-                                .filter(function(pointArray, pointIndex) {
-                                    return pointActive(pointArray[4], pointIndex); // Issue #237.. move filter to after map, so pointIndex is correct!
-                                })
-                        })
-                    );
-
-                    if (vertices.length == 0) return false;  // No active points, we're done
-                    if (vertices.length < 3) {
-                        // Issue #283 - Adding 2 dummy points to the voronoi b/c voronoi requires min 3 points to work
-                        vertices.push([x.range()[0] - 20, y.range()[0] - 20, null, null]);
-                        vertices.push([x.range()[1] + 20, y.range()[1] + 20, null, null]);
-                        vertices.push([x.range()[0] - 20, y.range()[0] + 20, null, null]);
-                        vertices.push([x.range()[1] + 20, y.range()[1] - 20, null, null]);
-                    }
-
-                    // keep voronoi sections from going more than 10 outside of graph
-                    // to avoid overlap with other things like legend etc
-                    var bounds = d3.geom.polygon([
-                        [-10,-10],
-                        [-10,height + 10],
-                        [width + 10,height + 10],
-                        [width + 10,-10]
-                    ]);
-
-                    var voronoi = d3.geom.voronoi(vertices).map(function(d, i) {
-                        return {
-                            'data': bounds.clip(d),
-                            'series': vertices[i][2],
-                            'point': vertices[i][3]
-                        }
-                    });
-
-                    // nuke all voronoi paths on reload and recreate them
-                    wrap.select('.nv-point-paths').selectAll('path').remove();
-                    var pointPaths = wrap.select('.nv-point-paths').selectAll('path').data(voronoi);
-                    var vPointPaths = pointPaths
-                        .enter().append("svg:path")
-                        .attr("d", function(d) {
-                            if (!d || !d.data || d.data.length === 0)
-                                return 'M 0 0';
-                            else
-                                return "M" + d.data.join(",") + "Z";
-                        })
-                        .attr("id", function(d,i) {
-                            return "nv-path-"+i; })
-                        .attr("clip-path", function(d,i) { return "url(#nv-clip-"+id+"-"+i+")"; })
-                        ;
-
-                    // good for debugging point hover issues
-                    if (showVoronoi) {
-                        vPointPaths.style("fill", d3.rgb(230, 230, 230))
-                            .style('fill-opacity', 0.4)
-                            .style('stroke-opacity', 1)
-                            .style("stroke", d3.rgb(200,200,200));
-                    }
-
-                    if (clipVoronoi) {
-                        // voronoi sections are already set to clip,
-                        // just create the circles with the IDs they expect
-                        wrap.select('.nv-point-clips').selectAll('*').remove(); // must do * since it has sub-dom
-                        var pointClips = wrap.select('.nv-point-clips').selectAll('clipPath').data(vertices);
-                        var vPointClips = pointClips
-                            .enter().append("svg:clipPath")
-                            .attr("id", function(d, i) { return "nv-clip-"+id+"-"+i;})
-                            .append("svg:circle")
-                            .attr('cx', function(d) { return d[0]; })
-                            .attr('cy', function(d) { return d[1]; })
-                            .attr('r', clipRadius);
-                    }
-
-                    var mouseEventCallback = function(d, mDispatch) {
-                        if (needsUpdate) return 0;
-                        var series = data[d.series];
-                        if (series === undefined) return;
-                        var point  = series.values[d.point];
-                        point['color'] = color(series, d.series);
-
-                        // standardize attributes for tooltip.
-                        point['x'] = getX(point);
-                        point['y'] = getY(point);
-
-                        // can't just get box of event node since it's actually a voronoi polygon
-                        var box = container.node().getBoundingClientRect();
-                        var scrollTop  = window.pageYOffset || document.documentElement.scrollTop;
-                        var scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
-
-                        var pos = {
-                            left: x(getX(point, d.point)) + box.left + scrollLeft + margin.left + 10,
-                            top: y(getY(point, d.point)) + box.top + scrollTop + margin.top + 10
-                        };
-
-                        mDispatch({
-                            point: point,
-                            series: series,
-                            pos: pos,
-                            relativePos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
-                            seriesIndex: d.series,
-                            pointIndex: d.point
-                        });
-                    };
-
-                    pointPaths
-                        .on('click', function(d) {
-                            mouseEventCallback(d, dispatch.elementClick);
-                        })
-                        .on('dblclick', function(d) {
-                            mouseEventCallback(d, dispatch.elementDblClick);
-                        })
-                        .on('mouseover', function(d) {
-                            mouseEventCallback(d, dispatch.elementMouseover);
-                        })
-                        .on('mouseout', function(d, i) {
-                            mouseEventCallback(d, dispatch.elementMouseout);
-                        });
-
-                } else {
-                    // add event handlers to points instead voronoi paths
-                    wrap.select('.nv-groups').selectAll('.nv-group')
-                        .selectAll('.nv-point')
-                        //.data(dataWithPoints)
-                        //.style('pointer-events', 'auto') // recativate events, disabled by css
-                        .on('click', function(d,i) {
-                            //nv.log('test', d, i);
-                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
-                            var series = data[d.series],
-                                point  = series.values[i];
-
-                            dispatch.elementClick({
-                                point: point,
-                                series: series,
-                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top], //TODO: make this pos base on the page
-                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
-                                seriesIndex: d.series,
-                                pointIndex: i
-                            });
-                        })
-                        .on('dblclick', function(d,i) {
-                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
-                            var series = data[d.series],
-                                point  = series.values[i];
-
-                            dispatch.elementDblClick({
-                                point: point,
-                                series: series,
-                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
-                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
-                                seriesIndex: d.series,
-                                pointIndex: i
-                            });
-                        })
-                        .on('mouseover', function(d,i) {
-                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
-                            var series = data[d.series],
-                                point  = series.values[i];
-
-                            dispatch.elementMouseover({
-                                point: point,
-                                series: series,
-                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
-                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
-                                seriesIndex: d.series,
-                                pointIndex: i,
-                                color: color(d, i)
-                            });
-                        })
-                        .on('mouseout', function(d,i) {
-                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
-                            var series = data[d.series],
-                                point  = series.values[i];
-
-                            dispatch.elementMouseout({
-                                point: point,
-                                series: series,
-                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
-                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
-                                seriesIndex: d.series,
-                                pointIndex: i,
-                                color: color(d, i)
-                            });
-                        });
-                }
-            }
-
-            needsUpdate = true;
-            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
-                .data(function(d) { return d }, function(d) { return d.key });
-            groups.enter().append('g')
-                .style('stroke-opacity', 1e-6)
-                .style('fill-opacity', 1e-6);
-            groups.exit()
-                .remove();
-            groups
-                .attr('class', function(d,i) {
-                    return (d.classed || '') + ' nv-group nv-series-' + i;
-                })
-                .classed('nv-noninteractive', !interactive)
-                .classed('hover', function(d) { return d.hover });
-            groups.watchTransition(renderWatch, 'scatter: groups')
-                .style('fill', function(d,i) { return color(d, i) })
-                .style('stroke', function(d,i) { return color(d, i) })
-                .style('stroke-opacity', 1)
-                .style('fill-opacity', .5);
-
-            // create the points, maintaining their IDs from the original data set
-            var points = groups.selectAll('path.nv-point')
-                .data(function(d) {
-                    return d.values.map(
-                        function (point, pointIndex) {
-                            return [point, pointIndex]
-                        }).filter(
-                            function(pointArray, pointIndex) {
-                                return pointActive(pointArray[0], pointIndex)
-                            })
-                    });
-            points.enter().append('path')
-                .attr('class', function (d) {
-                    return 'nv-point nv-point-' + d[1];
-                })
-                .style('fill', function (d) { return d.color })
-                .style('stroke', function (d) { return d.color })
-                .attr('transform', function(d) {
-                    return 'translate(' + nv.utils.NaNtoZero(x0(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y0(getY(d[0],d[1]))) + ')'
-                })
-                .attr('d',
-                    nv.utils.symbol()
-                    .type(function(d) { return getShape(d[0]); })
-                    .size(function(d) { return z(getSize(d[0],d[1])) })
-            );
-            points.exit().remove();
-            groups.exit().selectAll('path.nv-point')
-                .watchTransition(renderWatch, 'scatter exit')
-                .attr('transform', function(d) {
-                    return 'translate(' + nv.utils.NaNtoZero(x(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
-                })
-                .remove();
-            points.filter(function (d) { return scaleDiff || getDiffs(d, 'x', 'y'); })
-                .watchTransition(renderWatch, 'scatter points')
-                .attr('transform', function(d) {
-                    //nv.log(d, getX(d[0],d[1]), x(getX(d[0],d[1])));
-                    return 'translate(' + nv.utils.NaNtoZero(x(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
-                });
-            points.filter(function (d) { return scaleDiff || getDiffs(d, 'shape', 'size'); })
-                .watchTransition(renderWatch, 'scatter points')
-                .attr('d',
-                    nv.utils.symbol()
-                    .type(function(d) { return getShape(d[0]); })
-                    .size(function(d) { return z(getSize(d[0],d[1])) })
-            );
-            
-            // add label a label to scatter chart 
-            if(showLabels)
-            {      
-                var titles =  groups.selectAll('.nv-label')
-                    .data(function(d) {
-                        return d.values.map(
-                            function (point, pointIndex) {
-                                return [point, pointIndex]
-                            }).filter(
-                                function(pointArray, pointIndex) {
-                                    return pointActive(pointArray[0], pointIndex)
-                                })
-                        });
-
-                titles.enter().append('text')
-                    .style('fill', function (d,i) { 
-                        return d.color })
-                    .style('stroke-opacity', 0)
-                    .style('fill-opacity', 1)
-                    .attr('transform', function(d) {
-                        var dx = nv.utils.NaNtoZero(x0(getX(d[0],d[1]))) + Math.sqrt(z(getSize(d[0],d[1]))/Math.PI) + 2;
-                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y0(getY(d[0],d[1]))) + ')';
-                    })
-                    .text(function(d,i){
-                        return d[0].label;});
-
-                titles.exit().remove();
-                groups.exit().selectAll('path.nv-label')
-                    .watchTransition(renderWatch, 'scatter exit')
-                    .attr('transform', function(d) {
-                        var dx = nv.utils.NaNtoZero(x(getX(d[0],d[1])))+ Math.sqrt(z(getSize(d[0],d[1]))/Math.PI)+2;
-                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')';
-                    })
-                    .remove();
-               titles.each(function(d) {
-                  d3.select(this)
-                    .classed('nv-label', true)
-                    .classed('nv-label-' + d[1], false)
-                    .classed('hover',false);
-                });
-                titles.watchTransition(renderWatch, 'scatter labels')
-                    .attr('transform', function(d) {
-                        var dx = nv.utils.NaNtoZero(x(getX(d[0],d[1])))+ Math.sqrt(z(getSize(d[0],d[1]))/Math.PI)+2;
-                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
-                    });
-            }
-
-            // Delay updating the invisible interactive layer for smoother animation
-            if( interactiveUpdateDelay )
-            {
-                clearTimeout(timeoutID); // stop repeat calls to updateInteractiveLayer
-                timeoutID = setTimeout(updateInteractiveLayer, interactiveUpdateDelay );
-            }
-            else
-            {
-                updateInteractiveLayer();
-            }
-
-            //store old scales for use in transitions on update
-            x0 = x.copy();
-            y0 = y.copy();
-            z0 = z.copy();
-
-        });
-        renderWatch.renderEnd('scatter immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    // utility function calls provided by this chart
-    chart._calls = new function() {
-        this.clearHighlights = function () {
-            nv.dom.write(function() {
-                container.selectAll(".nv-point.hover").classed("hover", false);
-            });
-            return null;
-        };
-        this.highlightPoint = function (seriesIndex, pointIndex, isHoverOver) {
-            nv.dom.write(function() {
-                container.select('.nv-groups')
-                  .selectAll(".nv-series-" + seriesIndex)
-                  .selectAll(".nv-point-" + pointIndex)
-                  .classed("hover", isHoverOver);
-            });
-        };
-    };
-
-    // trigger calls from events too
-    dispatch.on('elementMouseover.point', function(d) {
-        if (interactive) chart._calls.highlightPoint(d.seriesIndex,d.pointIndex,true);
-    });
-
-    dispatch.on('elementMouseout.point', function(d) {
-        if (interactive) chart._calls.highlightPoint(d.seriesIndex,d.pointIndex,false);
-    });
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:        {get: function(){return width;}, set: function(_){width=_;}},
-        height:       {get: function(){return height;}, set: function(_){height=_;}},
-        xScale:       {get: function(){return x;}, set: function(_){x=_;}},
-        yScale:       {get: function(){return y;}, set: function(_){y=_;}},
-        pointScale:   {get: function(){return z;}, set: function(_){z=_;}},
-        xDomain:      {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
-        yDomain:      {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
-        pointDomain:  {get: function(){return sizeDomain;}, set: function(_){sizeDomain=_;}},
-        xRange:       {get: function(){return xRange;}, set: function(_){xRange=_;}},
-        yRange:       {get: function(){return yRange;}, set: function(_){yRange=_;}},
-        pointRange:   {get: function(){return sizeRange;}, set: function(_){sizeRange=_;}},
-        forceX:       {get: function(){return forceX;}, set: function(_){forceX=_;}},
-        forceY:       {get: function(){return forceY;}, set: function(_){forceY=_;}},
-        forcePoint:   {get: function(){return forceSize;}, set: function(_){forceSize=_;}},
-        interactive:  {get: function(){return interactive;}, set: function(_){interactive=_;}},
-        pointActive:  {get: function(){return pointActive;}, set: function(_){pointActive=_;}},
-        padDataOuter: {get: function(){return padDataOuter;}, set: function(_){padDataOuter=_;}},
-        padData:      {get: function(){return padData;}, set: function(_){padData=_;}},
-        clipEdge:     {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
-        clipVoronoi:  {get: function(){return clipVoronoi;}, set: function(_){clipVoronoi=_;}},
-        clipRadius:   {get: function(){return clipRadius;}, set: function(_){clipRadius=_;}},
-        showVoronoi:   {get: function(){return showVoronoi;}, set: function(_){showVoronoi=_;}},
-        id:           {get: function(){return id;}, set: function(_){id=_;}},
-        interactiveUpdateDelay: {get:function(){return interactiveUpdateDelay;}, set: function(_){interactiveUpdateDelay=_;}},
-        showLabels: {get: function(){return showLabels;}, set: function(_){ showLabels = _;}},
-
-        // simple functor options
-        x:     {get: function(){return getX;}, set: function(_){getX = d3.functor(_);}},
-        y:     {get: function(){return getY;}, set: function(_){getY = d3.functor(_);}},
-        pointSize: {get: function(){return getSize;}, set: function(_){getSize = d3.functor(_);}},
-        pointShape: {get: function(){return getShape;}, set: function(_){getShape = d3.functor(_);}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-        }},
-        color: {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-        }},
-        useVoronoi: {get: function(){return useVoronoi;}, set: function(_){
-            useVoronoi = _;
-            if (useVoronoi === false) {
-                clipVoronoi = false;
-            }
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-    return chart;
-};
-
-nv.models.multiBar = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var margin = {top: 0, right: 0, bottom: 0, left: 0}
-        , width = 960
-        , height = 500
-        , x = d3.scale.ordinal()
-        , y = d3.scale.linear()
-        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
-        , container = null
-        , getX = function(d) { return d.x }
-        , getY = function(d) { return d.y }
-        , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
-        , clipEdge = true
-        , stacked = false
-        , stackOffset = 'zero' // options include 'silhouette', 'wiggle', 'expand', 'zero', or a custom function
-        , color = nv.utils.defaultColor()
-        , hideable = false
-        , barColor = null // adding the ability to set the color for each rather than the whole group
-        , disabled // used in conjunction with barColor to communicate from multiBarHorizontalChart what series are disabled
-        , duration = 500
-        , xDomain
-        , yDomain
-        , xRange
-        , yRange
-        , groupSpacing = 0.1
-        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
-        ;
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var x0, y0 //used to store previous scales
-        , renderWatch = nv.utils.renderWatch(dispatch, duration)
-        ;
-
-    var last_datalength = 0;
-
-    function chart(selection) {
-        renderWatch.reset();
-        selection.each(function(data) {
-            var availableWidth = width - margin.left - margin.right,
-                availableHeight = height - margin.top - margin.bottom;
-
-            container = d3.select(this);
-            nv.utils.initSVG(container);
-            var nonStackableCount = 0;
-            // This function defines the requirements for render complete
-            var endFn = function(d, i) {
-                if (d.series === data.length - 1 && i === data[0].values.length - 1)
-                    return true;
-                return false;
-            };
-
-            if(hideable && data.length) hideable = [{
-                values: data[0].values.map(function(d) {
-                        return {
-                            x: d.x,
-                            y: 0,
-                            series: d.series,
-                            size: 0.01
-                        };}
-                )}];
-
-            if (stacked) {
-                var parsed = d3.layout.stack()
-                    .offset(stackOffset)
-                    .values(function(d){ return d.values })
-                    .y(getY)
-                (!data.length && hideable ? hideable : data);
-
-                parsed.forEach(function(series, i){
-                    // if series is non-stackable, use un-parsed data
-                    if (series.nonStackable) {
-                        data[i].nonStackableSeries = nonStackableCount++;
-                        parsed[i] = data[i];
-                    } else {
-                        // don't stack this seires on top of the nonStackable seriees
-                        if (i > 0 && parsed[i - 1].nonStackable){
-                            parsed[i].values.map(function(d,j){
-                                d.y0 -= parsed[i - 1].values[j].y;
-                                d.y1 = d.y0 + d.y;
-                            });
-                        }
-                    }
-                });
-                data = parsed;
-            }
-            //add series index and key to each data point for reference
-            data.forEach(function(series, i) {
-                series.values.forEach(function(point) {
-                    point.series = i;
-                    point.key = series.key;
-                });
-            });
-
-            // HACK for negative value stacking
-            if (stacked) {
-                data[0].values.map(function(d,i) {
-                    var posBase = 0, negBase = 0;
-                    data.map(function(d, idx) {
-                        if (!data[idx].nonStackable) {
-                            var f = d.values[i]
-                            f.size = Math.abs(f.y);
-                            if (f.y<0)  {
-                                f.y1 = negBase;
-                                negBase = negBase - f.size;
-                            } else
-                            {
-                                f.y1 = f.size + posBase;
-                                posBase = posBase + f.size;
-                            }
-                        }
-
-                    });
-                });
-            }
-            // Setup Scales
-            // remap and flatten the data for use in calculating the scales' domains
-            var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
-                data.map(function(d, idx) {
-                    return d.values.map(function(d,i) {
-                        return { x: getX(d,i), y: getY(d,i), y0: d.y0, y1: d.y1, idx:idx }
-                    })
-                });
-
-            x.domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
-                .rangeBands(xRange || [0, availableWidth], groupSpacing);
-
-            y.domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) {
-                var domain = d.y;
-                // increase the domain range if this series is stackable
-                if (stacked && !data[d.idx].nonStackable) {
-                    if (d.y > 0){
-                        domain = d.y1
-                    } else {
-                        domain = d.y1 + d.y
-                    }
-                }
-                return domain;
-            }).concat(forceY)))
-            .range(yRange || [availableHeight, 0]);
-
-            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
-            if (x.domain()[0] === x.domain()[1])
-                x.domain()[0] ?
-                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
-                    : x.domain([-1,1]);
-
-            if (y.domain()[0] === y.domain()[1])
-                y.domain()[0] ?
-                    y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
-                    : y.domain([-1,1]);
-
-            x0 = x0 || x;
-            y0 = y0 || y;
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-multibar').data([data]);
-            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibar');
-            var defsEnter = wrapEnter.append('defs');
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-groups');
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            defsEnter.append('clipPath')
-                .attr('id', 'nv-edge-clip-' + id)
-                .append('rect');
-            wrap.select('#nv-edge-clip-' + id + ' rect')
-                .attr('width', availableWidth)
-                .attr('height', availableHeight);
-
-            g.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
-
-            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
-                .data(function(d) { return d }, function(d,i) { return i });
-            groups.enter().append('g')
-                .style('stroke-opacity', 1e-6)
-                .style('fill-opacity', 1e-6);
-
-            var exitTransition = renderWatch
-                .transition(groups.exit().selectAll('rect.nv-bar'), 'multibarExit', Math.min(100, duration))
-                .attr('y', function(d, i, j) {
-                    var yVal = y0(0) || 0;
-                    if (stacked) {
-                        if (data[d.series] && !data[d.series].nonStackable) {
-                            yVal = y0(d.y0);
-                        }
-                    }
-                    return yVal;
-                })
-                .attr('height', 0)
-                .remove();
-            if (exitTransition.delay)
-                exitTransition.delay(function(d,i) {
-                    var delay = i * (duration / (last_datalength + 1)) - i;
-                    return delay;
-                });
-            groups
-                .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
-                .classed('hover', function(d) { return d.hover })
-                .style('fill', function(d,i){ return color(d, i) })
-                .style('stroke', function(d,i){ return color(d, i) });
-            groups
-                .style('stroke-opacity', 1)
-                .style('fill-opacity', 0.75);
-
-            var bars = groups.selectAll('rect.nv-bar')
-                .data(function(d) { return (hideable && !data.length) ? hideable.values : d.values });
-            bars.exit().remove();
-
-            var barsEnter = bars.enter().append('rect')
-                    .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
-                    .attr('x', function(d,i,j) {
-                        return stacked && !data[j].nonStackable ? 0 : (j * x.rangeBand() / data.length )
-                    })
-                    .attr('y', function(d,i,j) { return y0(stacked && !data[j].nonStackable ? d.y0 : 0) || 0 })
-                    .attr('height', 0)
-                    .attr('width', function(d,i,j) { return x.rangeBand() / (stacked && !data[j].nonStackable ? 1 : data.length) })
-                    .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
-                ;
-            bars
-                .style('fill', function(d,i,j){ return color(d, j, i);  })
-                .style('stroke', function(d,i,j){ return color(d, j, i); })
-                .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
-                    d3.select(this).classed('hover', true);
-                    dispatch.elementMouseover({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('mouseout', function(d,i) {
-                    d3.select(this).classed('hover', false);
-                    dispatch.elementMouseout({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('mousemove', function(d,i) {
-                    dispatch.elementMousemove({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('click', function(d,i) {
-                    var element = this;
-                    dispatch.elementClick({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill"),
-                        event: d3.event,
-                        element: element
-                    });
-                    d3.event.stopPropagation();
-                })
-                .on('dblclick', function(d,i) {
-                    dispatch.elementDblClick({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                    d3.event.stopPropagation();
-                });
-            bars
-                .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
-                .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
-
-            if (barColor) {
-                if (!disabled) disabled = data.map(function() { return true });
-                bars
-                    .style('fill', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); })
-                    .style('stroke', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); });
-            }
-
-            var barSelection =
-                bars.watchTransition(renderWatch, 'multibar', Math.min(250, duration))
-                    .delay(function(d,i) {
-                        return i * duration / data[0].values.length;
-                    });
-            if (stacked){
-                barSelection
-                    .attr('y', function(d,i,j) {
-                        var yVal = 0;
-                        // if stackable, stack it on top of the previous series
-                        if (!data[j].nonStackable) {
-                            yVal = y(d.y1);
-                        } else {
-                            if (getY(d,i) < 0){
-                                yVal = y(0);
-                            } else {
-                                if (y(0) - y(getY(d,i)) < -1){
-                                    yVal = y(0) - 1;
-                                } else {
-                                    yVal = y(getY(d, i)) || 0;
-                                }
-                            }
-                        }
-                        return yVal;
-                    })
-                    .attr('height', function(d,i,j) {
-                        if (!data[j].nonStackable) {
-                            return Math.max(Math.abs(y(d.y+d.y0) - y(d.y0)), 0);
-                        } else {
-                            return Math.max(Math.abs(y(getY(d,i)) - y(0)), 0) || 0;
-                        }
-                    })
-                    .attr('x', function(d,i,j) {
-                        var width = 0;
-                        if (data[j].nonStackable) {
-                            width = d.series * x.rangeBand() / data.length;
-                            if (data.length !== nonStackableCount){
-                                width = data[j].nonStackableSeries * x.rangeBand()/(nonStackableCount*2);
-                            }
-                        }
-                        return width;
-                    })
-                    .attr('width', function(d,i,j){
-                        if (!data[j].nonStackable) {
-                            return x.rangeBand();
-                        } else {
-                            // if all series are nonStacable, take the full width
-                            var width = (x.rangeBand() / nonStackableCount);
-                            // otherwise, nonStackable graph will be only taking the half-width
-                            // of the x rangeBand
-                            if (data.length !== nonStackableCount) {
-                                width = x.rangeBand()/(nonStackableCount*2);
-                            }
-                            return width;
-                        }
-                    });
-            }
-            else {
-                barSelection
-                    .attr('x', function(d,i) {
-                        return d.series * x.rangeBand() / data.length;
-                    })
-                    .attr('width', x.rangeBand() / data.length)
-                    .attr('y', function(d,i) {
-                        return getY(d,i) < 0 ?
-                            y(0) :
-                                y(0) - y(getY(d,i)) < 1 ?
-                            y(0) - 1 :
-                            y(getY(d,i)) || 0;
-                    })
-                    .attr('height', function(d,i) {
-                        return Math.max(Math.abs(y(getY(d,i)) - y(0)),1) || 0;
-                    });
-            }
-
-            //store old scales for use in transitions on update
-            x0 = x.copy();
-            y0 = y.copy();
-
-            // keep track of the last data value length for transition calculations
-            if (data[0] && data[0].values) {
-                last_datalength = data[0].values.length;
-            }
-
-        });
-
-        renderWatch.renderEnd('multibar immediate');
-
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:   {get: function(){return width;}, set: function(_){width=_;}},
-        height:  {get: function(){return height;}, set: function(_){height=_;}},
-        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
-        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
-        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
-        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
-        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
-        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
-        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
-        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
-        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
-        stacked: {get: function(){return stacked;}, set: function(_){stacked=_;}},
-        stackOffset: {get: function(){return stackOffset;}, set: function(_){stackOffset=_;}},
-        clipEdge:    {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
-        disabled:    {get: function(){return disabled;}, set: function(_){disabled=_;}},
-        id:          {get: function(){return id;}, set: function(_){id=_;}},
-        hideable:    {get: function(){return hideable;}, set: function(_){hideable=_;}},
-        groupSpacing:{get: function(){return groupSpacing;}, set: function(_){groupSpacing=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-        }},
-        barColor:  {get: function(){return barColor;}, set: function(_){
-            barColor = _ ? nv.utils.getColor(_) : null;
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-
-    return chart;
-};nv.models.legend = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var margin = {top: 5, right: 0, bottom: 5, left: 0}
-        , width = 400
-        , height = 20
-        , getKey = function(d) { return d.key }
-        , color = nv.utils.getColor()
-        , maxKeyLength = 20 //default value for key lengths
-        , align = true
-        , padding = 32 //define how much space between legend items. - recommend 32 for furious version
-        , rightAlign = true
-        , updateState = true   //If true, legend will update data.disabled and trigger a 'stateChange' dispatch.
-        , radioButtonMode = false   //If true, clicking legend items will cause it to behave like a radio button. (only one can be selected at a time)
-        , expanded = false
-        , dispatch = d3.dispatch('legendClick', 'legendDblclick', 'legendMouseover', 'legendMouseout', 'stateChange')
-        , vers = 'classic' //Options are "classic" and "furious"
-        ;
-
-    function chart(selection) {
-        selection.each(function(data) {
-            var availableWidth = width - margin.left - margin.right,
-                container = d3.select(this);
-            nv.utils.initSVG(container);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-legend').data([data]);
-            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-legend').append('g');
-            var g = wrap.select('g');
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            var series = g.selectAll('.nv-series')
-                .data(function(d) {
-                    if(vers != 'furious') return d;
-
-                    return d.filter(function(n) {
-                        return expanded ? true : !n.disengaged;
-                    });
-                });
-
-            var seriesEnter = series.enter().append('g').attr('class', 'nv-series');
-            var seriesShape;
-
-            var versPadding;
-            switch(vers) {
-                case 'furious' :
-                    versPadding = 23;
-                    break;
-                case 'classic' :
-                    versPadding = 20;
-            }
-
-            if(vers == 'classic') {
-                seriesEnter.append('circle')
-                    .style('stroke-width', 2)
-                    .attr('class','nv-legend-symbol')
-                    .attr('r', 5);
-
-                seriesShape = series.select('circle');
-            } else if (vers == 'furious') {
-                seriesEnter.append('rect')
-                    .style('stroke-width', 2)
-                    .attr('class','nv-legend-symbol')
-                    .attr('rx', 3)
-                    .attr('ry', 3);
-                seriesShape = series.select('.nv-legend-symbol');
-
-                seriesEnter.append('g')
-                    .attr('class', 'nv-check-box')
-                    .property('innerHTML','<path d="M0.5,5 L22.5,5 L22.5,26.5 L0.5,26.5 L0.5,5 Z" class="nv-box"></path><path d="M5.5,12.8618467 L11.9185089,19.2803556 L31,0.198864511" class="nv-check"></path>')
-                    .attr('transform', 'translate(-10,-8)scale(0.5)');
-
-                var seriesCheckbox = series.select('.nv-check-box');
-
-                seriesCheckbox.each(function(d,i) {
-                    d3.select(this).selectAll('path')
-                        .attr('stroke', setTextColor(d,i));
-                });
-            }
-
-            seriesEnter.append('text')
-                .attr('text-anchor', 'start')
-                .attr('class','nv-legend-text')
-                .attr('dy', '.32em')
-                .attr('dx', '8');
-
-            var seriesText = series.select('text.nv-legend-text');
-
-            series
-                .on('mouseover', function(d,i) {
-                    dispatch.legendMouseover(d,i);  //TODO: Make consistent with other event objects
-                })
-                .on('mouseout', function(d,i) {
-                    dispatch.legendMouseout(d,i);
-                })
-                .on('click', function(d,i) {
-                    dispatch.legendClick(d,i);
-                    // make sure we re-get data in case it was modified
-                    var data = series.data();
-                    if (updateState) {
-                        if(vers =='classic') {
-                            if (radioButtonMode) {
-                                //Radio button mode: set every series to disabled,
-                                //  and enable the clicked series.
-                                data.forEach(function(series) { series.disabled = true});
-                                d.disabled = false;
-                            }
-                            else {
-                                d.disabled = !d.disabled;
-                                if (data.every(function(series) { return series.disabled})) {
-                                    //the default behavior of NVD3 legends is, if every single series
-                                    // is disabled, turn all series' back on.
-                                    data.forEach(function(series) { series.disabled = false});
-                                }
-                            }
-                        } else if(vers == 'furious') {
-                            if(expanded) {
-                                d.disengaged = !d.disengaged;
-                                d.userDisabled = d.userDisabled == undefined ? !!d.disabled : d.userDisabled;
-                                d.disabled = d.disengaged || d.userDisabled;
-                            } else if (!expanded) {
-                                d.disabled = !d.disabled;
-                                d.userDisabled = d.disabled;
-                                var engaged = data.filter(function(d) { return !d.disengaged; });
-                                if (engaged.every(function(series) { return series.userDisabled })) {
-                                    //the default behavior of NVD3 legends is, if every single series
-                                    // is disabled, turn all series' back on.
-                                    data.forEach(function(series) {
-                                        series.disabled = series.userDisabled = false;
-                                    });
-                                }
-                            }
-                        }
-                        dispatch.stateChange({
-                            disabled: data.map(function(d) { return !!d.disabled }),
-                            disengaged: data.map(function(d) { return !!d.disengaged })
-                        });
-
-                    }
-                })
-                .on('dblclick', function(d,i) {
-                    if(vers == 'furious' && expanded) return;
-                    dispatch.legendDblclick(d,i);
-                    if (updateState) {
-                        // make sure we re-get data in case it was modified
-                        var data = series.data();
-                        //the default behavior of NVD3 legends, when double clicking one,
-                        // is to set all other series' to false, and make the double clicked series enabled.
-                        data.forEach(function(series) {
-                            series.disabled = true;
-                            if(vers == 'furious') series.userDisabled = series.disabled;
-                        });
-                        d.disabled = false;
-                        if(vers == 'furious') d.userDisabled = d.disabled;
-                        dispatch.stateChange({
-                            disabled: data.map(function(d) { return !!d.disabled })
-                        });
-                    }
-                });
-
-            series.classed('nv-disabled', function(d) { return d.userDisabled });
-            series.exit().remove();
-
-            seriesText
-                .attr('fill', setTextColor)
-                .text(getKey);
-
-            //TODO: implement fixed-width and max-width options (max-width is especially useful with the align option)
-            // NEW ALIGNING CODE, TODO: clean up
-            var legendWidth = 0;
-            if (align) {
-
-                var seriesWidths = [];
-                series.each(function(d,i) {
-                    var legendText;
-                    if (getKey(d).length > maxKeyLength) { 
-                        var trimmedKey = getKey(d).substring(0, maxKeyLength);
-                        legendText = d3.select(this).select('text').text(trimmedKey + "...");
-                        d3.select(this).append("svg:title").text(getKey(d));
-                    } else {
-                        legendText = d3.select(this).select('text');
-                    } 
-                    var nodeTextLength;
-                    try {
-                        nodeTextLength = legendText.node().getComputedTextLength();
-                        // If the legendText is display:none'd (nodeTextLength == 0), simulate an error so we approximate, instead
-                        if(nodeTextLength <= 0) throw Error();
-                    }
-                    catch(e) {
-                        nodeTextLength = nv.utils.calcApproxTextWidth(legendText);
-                    }
-
-                    seriesWidths.push(nodeTextLength + padding);
-                });
-
-                var seriesPerRow = 0;
-                var columnWidths = [];
-                legendWidth = 0;
-
-                while ( legendWidth < availableWidth && seriesPerRow < seriesWidths.length) {
-                    columnWidths[seriesPerRow] = seriesWidths[seriesPerRow];
-                    legendWidth += seriesWidths[seriesPerRow++];
-                }
-                if (seriesPerRow === 0) seriesPerRow = 1; //minimum of one series per row
-
-                while ( legendWidth > availableWidth && seriesPerRow > 1 ) {
-                    columnWidths = [];
-                    seriesPerRow--;
-
-                    for (var k = 0; k < seriesWidths.length; k++) {
-                        if (seriesWidths[k] > (columnWidths[k % seriesPerRow] || 0) )
-                            columnWidths[k % seriesPerRow] = seriesWidths[k];
-                    }
-
-                    legendWidth = columnWidths.reduce(function(prev, cur, index, array) {
-                        return prev + cur;
-                    });
-                }
-
-                var xPositions = [];
-                for (var i = 0, curX = 0; i < seriesPerRow; i++) {
-                    xPositions[i] = curX;
-                    curX += columnWidths[i];
-                }
-
-                series
-                    .attr('transform', function(d, i) {
-                        return 'translate(' + xPositions[i % seriesPerRow] + ',' + (5 + Math.floor(i / seriesPerRow) * versPadding) + ')';
-                    });
-
-                //position legend as far right as possible within the total width
-                if (rightAlign) {
-                    g.attr('transform', 'translate(' + (width - margin.right - legendWidth) + ',' + margin.top + ')');
-                }
-                else {
-                    g.attr('transform', 'translate(0' + ',' + margin.top + ')');
-                }
-
-                height = margin.top + margin.bottom + (Math.ceil(seriesWidths.length / seriesPerRow) * versPadding);
-
-            } else {
-
-                var ypos = 5,
-                    newxpos = 5,
-                    maxwidth = 0,
-                    xpos;
-                series
-                    .attr('transform', function(d, i) {
-                        var length = d3.select(this).select('text').node().getComputedTextLength() + padding;
-                        xpos = newxpos;
-
-                        if (width < margin.left + margin.right + xpos + length) {
-                            newxpos = xpos = 5;
-                            ypos += versPadding;
-                        }
-
-                        newxpos += length;
-                        if (newxpos > maxwidth) maxwidth = newxpos;
-
-                        if(legendWidth < xpos + maxwidth) {
-                            legendWidth = xpos + maxwidth;
-                        }
-                        return 'translate(' + xpos + ',' + ypos + ')';
-                    });
-
-                //position legend as far right as possible within the total width
-                g.attr('transform', 'translate(' + (width - margin.right - maxwidth) + ',' + margin.top + ')');
-
-                height = margin.top + margin.bottom + ypos + 15;
-            }
-
-            if(vers == 'furious') {
-                // Size rectangles after text is placed
-                seriesShape
-                    .attr('width', function(d,i) {
-                        return seriesText[0][i].getComputedTextLength() + 27;
-                    })
-                    .attr('height', 18)
-                    .attr('y', -9)
-                    .attr('x', -15);
-
-                // The background for the expanded legend (UI)
-                gEnter.insert('rect',':first-child')
-                    .attr('class', 'nv-legend-bg')
-                    .attr('fill', '#eee')
-                    // .attr('stroke', '#444')
-                    .attr('opacity',0);
-
-                var seriesBG = g.select('.nv-legend-bg');
-
-                seriesBG
-                .transition().duration(300)
-                    .attr('x', -versPadding )
-                    .attr('width', legendWidth + versPadding - 12)
-                    .attr('height', height + 10)
-                    .attr('y', -margin.top - 10)
-                    .attr('opacity', expanded ? 1 : 0);
-
-
-            }
-
-            seriesShape
-                .style('fill', setBGColor)
-                .style('fill-opacity', setBGOpacity)
-                .style('stroke', setBGColor);
-        });
-
-        function setTextColor(d,i) {
-            if(vers != 'furious') return '#000';
-            if(expanded) {
-                return d.disengaged ? '#000' : '#fff';
-            } else if (!expanded) {
-                if(!d.color) d.color = color(d,i);
-                return !!d.disabled ? d.color : '#fff';
-            }
-        }
-
-        function setBGColor(d,i) {
-            if(expanded && vers == 'furious') {
-                return d.disengaged ? '#eee' : d.color || color(d,i);
-            } else {
-                return d.color || color(d,i);
-            }
-        }
-
-
-        function setBGOpacity(d,i) {
-            if(expanded && vers == 'furious') {
-                return 1;
-            } else {
-                return !!d.disabled ? 0 : 1;
-            }
-        }
-
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        key:        {get: function(){return getKey;}, set: function(_){getKey=_;}},
-        align:      {get: function(){return align;}, set: function(_){align=_;}},
-        maxKeyLength:   {get: function(){return maxKeyLength;}, set: function(_){maxKeyLength=_;}},
-        rightAlign:    {get: function(){return rightAlign;}, set: function(_){rightAlign=_;}},
-        padding:       {get: function(){return padding;}, set: function(_){padding=_;}},
-        updateState:   {get: function(){return updateState;}, set: function(_){updateState=_;}},
-        radioButtonMode:    {get: function(){return radioButtonMode;}, set: function(_){radioButtonMode=_;}},
-        expanded:   {get: function(){return expanded;}, set: function(_){expanded=_;}},
-        vers:   {get: function(){return vers;}, set: function(_){vers=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-
-    return chart;
-};
-nv.models.lineChart = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var lines = nv.models.line()
-        , xAxis = nv.models.axis()
-        , yAxis = nv.models.axis()
-        , legend = nv.models.legend()
-        , interactiveLayer = nv.interactiveGuideline()
-        , tooltip = nv.models.tooltip()
-        , lines2 = nv.models.line()
-        , x2Axis = nv.models.axis()
-        , y2Axis = nv.models.axis()
-        , brush = d3.svg.brush()
-        ;
-
-    var margin = {top: 30, right: 20, bottom: 50, left: 60}
-        , margin2 = {top: 0, right: 20, bottom: 20, left: 60}
-        , color = nv.utils.defaultColor()
-        , width = null
-        , height = null
-        , showLegend = true
-        , legendPosition = 'top'
-        , showXAxis = true
-        , showYAxis = true
-        , rightAlignYAxis = false
-        , useInteractiveGuideline = false
-        , x
-        , y
-        , x2
-        , y2
-        , focusEnable = false
-        , focusShowAxisY = false
-        , focusShowAxisX = true
-        , focusHeight = 50
-        , brushExtent = null
-        , state = nv.utils.state()
-        , defaultState = null
-        , noData = null
-        , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'brush', 'stateChange', 'changeState', 'renderEnd')
-        , duration = 250
-        ;
-
-    // set options on sub-objects for this chart
-    xAxis.orient('bottom').tickPadding(7);
-    yAxis.orient(rightAlignYAxis ? 'right' : 'left');
-
-    lines.clipEdge(true).duration(0);
-    lines2.interactive(false);
-    // We don't want any points emitted for the focus chart's scatter graph.
-    lines2.pointActive(function(d) { return false; });
-
-    x2Axis.orient('bottom').tickPadding(5);
-    y2Axis.orient(rightAlignYAxis ? 'right' : 'left');
-
-    tooltip.valueFormatter(function(d, i) {
-        return yAxis.tickFormat()(d, i);
-    }).headerFormatter(function(d, i) {
-        return xAxis.tickFormat()(d, i);
-    });
-    
-    interactiveLayer.tooltip.valueFormatter(function(d, i) {
-        return yAxis.tickFormat()(d, i);
-    }).headerFormatter(function(d, i) {
-        return xAxis.tickFormat()(d, i);
-    });
-
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var renderWatch = nv.utils.renderWatch(dispatch, duration);
-
-    var stateGetter = function(data) {
-        return function(){
-            return {
-                active: data.map(function(d) { return !d.disabled; })
-            };
-        };
-    };
-
-    var stateSetter = function(data) {
-        return function(state) {
-            if (state.active !== undefined)
-                data.forEach(function(series,i) {
-                    series.disabled = !state.active[i];
-                });
-        };
-    };
-
-    function chart(selection) {
-        renderWatch.reset();
-        renderWatch.models(lines);
-        renderWatch.models(lines2);
-        if (showXAxis) renderWatch.models(xAxis);
-        if (showYAxis) renderWatch.models(yAxis);
-
-        if (focusShowAxisX) renderWatch.models(x2Axis);
-        if (focusShowAxisY) renderWatch.models(y2Axis);
-        selection.each(function(data) {
-            var container = d3.select(this);
-            nv.utils.initSVG(container);
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight1 = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focusHeight : 0),
-                availableHeight2 = focusHeight - margin2.top - margin2.bottom;
-
-            chart.update = function() { 
-                if( duration === 0 ) {
-                    container.call( chart );
-                } else {
-                    container.transition().duration(duration).call(chart);
-                }
-            };
-            chart.container = this;
-
-            state
-                .setter(stateSetter(data), chart.update)
-                .getter(stateGetter(data))
-                .update();
-
-            // DEPRECATED set state.disabled
-            state.disabled = data.map(function(d) { return !!d.disabled; });
-
-            if (!defaultState) {
-                var key;
-                defaultState = {};
-                for (key in state) {
-                    if (state[key] instanceof Array)
-                        defaultState[key] = state[key].slice(0);
-                    else
-                        defaultState[key] = state[key];
-                }
-            }
-
-            // Display noData message if there's nothing to show.
-            if (!data || !data.length || !data.filter(function(d) { return d.values.length; }).length) {
-                nv.utils.noData(chart, container);
-                return chart;
-            } else {
-                container.selectAll('.nv-noData').remove();
-            }
-
-
-            // Setup Scales
-            x = lines.xScale();
-            y = lines.yScale();
-            x2 = lines2.xScale();
-            y2 = lines2.yScale();
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
-            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-legendWrap');
-
-            var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
-            focusEnter.append('g').attr('class', 'nv-background').append('rect');
-            focusEnter.append('g').attr('class', 'nv-x nv-axis');
-            focusEnter.append('g').attr('class', 'nv-y nv-axis');
-            focusEnter.append('g').attr('class', 'nv-linesWrap');
-            focusEnter.append('g').attr('class', 'nv-interactive');
-
-            var contextEnter = gEnter.append('g').attr('class', 'nv-context');
-            contextEnter.append('g').attr('class', 'nv-background').append('rect');
-            contextEnter.append('g').attr('class', 'nv-x nv-axis');
-            contextEnter.append('g').attr('class', 'nv-y nv-axis');
-            contextEnter.append('g').attr('class', 'nv-linesWrap');
-            contextEnter.append('g').attr('class', 'nv-brushBackground');
-            contextEnter.append('g').attr('class', 'nv-x nv-brush');
-
-            // Legend
-            if (!showLegend) {
-                g.select('.nv-legendWrap').selectAll('*').remove();
-            } else {
-                legend.width(availableWidth);
-
-                g.select('.nv-legendWrap')
-                    .datum(data)
-                    .call(legend);
-
-                if (legendPosition === 'bottom') {
-                    wrap.select('.nv-legendWrap')
-                        .attr('transform', 'translate(0,' + (availableHeight1 + legend.height()) +')');
-                } else if (legendPosition === 'top') {
-                    if ( margin.top != legend.height()) {
-                        margin.top = legend.height();
-                        availableHeight1 = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focusHeight : 0);
-                    }
-
-                    wrap.select('.nv-legendWrap')
-                        .attr('transform', 'translate(0,' + (-margin.top) +')');
-                }
-            }
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            if (rightAlignYAxis) {
-                g.select(".nv-y.nv-axis")
-                    .attr("transform", "translate(" + availableWidth + ",0)");
-            }
-
-            //Set up interactive layer
-            if (useInteractiveGuideline) {
-                interactiveLayer
-                    .width(availableWidth)
-                    .height(availableHeight1)
-                    .margin({left:margin.left, top:margin.top})
-                    .svgContainer(container)
-                    .xScale(x);
-                wrap.select(".nv-interactive").call(interactiveLayer);
-            }
-
-            g.select('.nv-focus .nv-background rect')
-                .attr('width', availableWidth)
-                .attr('height', availableHeight1);
-                
-            lines
-                .width(availableWidth)
-                .height(availableHeight1)
-                .color(data.map(function(d,i) {
-                    return d.color || color(d, i);
-
-                }).filter(function(d,i) { return !data[i].disabled; }));
-
-            var linesWrap = g.select('.nv-linesWrap')
-                .datum(data.filter(function(d) { return !d.disabled; }));
-
-
-            // Setup Main (Focus) Axes
-            if (showXAxis) {
-                xAxis
-                    .scale(x)
-                    ._ticks(nv.utils.calcTicksX(availableWidth/100, data) )
-                    .tickSize(-availableHeight1, 0);
-
-            }
-
-            if (showYAxis) {
-                yAxis
-                    .scale(y)
-                    ._ticks( nv.utils.calcTicksY(availableHeight1/36, data) )
-                    .tickSize( -availableWidth, 0);
-            }
-
-            //============================================================
-            // Update Axes
-            //============================================================
-            function updateXAxis() {
-              if(showXAxis) {
-                g.select('.nv-focus .nv-x.nv-axis')
-                  .transition()
-                  .duration(duration)
-                  .call(xAxis)
-                ;
-              }
-            }
-
-            function updateYAxis() {
-              if(showYAxis) {
-                g.select('.nv-focus .nv-y.nv-axis')
-                  .transition()
-                  .duration(duration)
-                  .call(yAxis)
-                ;
-              }
-            }
-            
-            g.select('.nv-focus .nv-x.nv-axis')
-                .attr('transform', 'translate(0,' + availableHeight1 + ')');
-
-            if( !focusEnable )
-            {
-                linesWrap.call(lines);
-                updateXAxis();
-                updateYAxis();
-            }
-            else
-            {
-                lines2
-                    .defined(lines.defined())
-                    .width(availableWidth)
-                    .height(availableHeight2)
-                    .color(data.map(function(d,i) {
-                        return d.color || color(d, i);
-                    }).filter(function(d,i) { return !data[i].disabled; }));
-    
-                g.select('.nv-context')
-                    .attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')')
-                    .style('display', focusEnable ? 'initial' : 'none')
-                ;
-    
-                var contextLinesWrap = g.select('.nv-context .nv-linesWrap')
-                    .datum(data.filter(function(d) { return !d.disabled; }))
-                    ;
-                    
-                d3.transition(contextLinesWrap).call(lines2);
-                
-            
-                // Setup Brush
-                brush
-                    .x(x2)
-                    .on('brush', function() {
-                        onBrush();
-                    });
-    
-                if (brushExtent) brush.extent(brushExtent);
-    
-                var brushBG = g.select('.nv-brushBackground').selectAll('g')
-                    .data([brushExtent || brush.extent()]);
-        
-                var brushBGenter = brushBG.enter()
-                    .append('g');
-    
-                brushBGenter.append('rect')
-                    .attr('class', 'left')
-                    .attr('x', 0)
-                    .attr('y', 0)
-                    .attr('height', availableHeight2);
-    
-                brushBGenter.append('rect')
-                    .attr('class', 'right')
-                    .attr('x', 0)
-                    .attr('y', 0)
-                    .attr('height', availableHeight2);
-    
-                var gBrush = g.select('.nv-x.nv-brush')
-                    .call(brush);
-                gBrush.selectAll('rect')
-                    .attr('height', availableHeight2);
-                gBrush.selectAll('.resize').append('path').attr('d', resizePath);
-    
-                onBrush();
-    
-                g.select('.nv-context .nv-background rect')
-                    .attr('width', availableWidth)
-                    .attr('height', availableHeight2);
-    
-                // Setup Secondary (Context) Axes
-                if (focusShowAxisX) {
-                  x2Axis
-                      .scale(x2)
-                      ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
-                      .tickSize(-availableHeight2, 0);
-      
-                  g.select('.nv-context .nv-x.nv-axis')
-                      .attr('transform', 'translate(0,' + y2.range()[0] + ')');
-                  d3.transition(g.select('.nv-context .nv-x.nv-axis'))
-                      .call(x2Axis);
-                }
-    
-                if (focusShowAxisY) {
-                  y2Axis
-                      .scale(y2)
-                      ._ticks( nv.utils.calcTicksY(availableHeight2/36, data) )
-                      .tickSize( -availableWidth, 0);
-      
-                  d3.transition(g.select('.nv-context .nv-y.nv-axis'))
-                      .call(y2Axis);
-                }
-                
-                g.select('.nv-context .nv-x.nv-axis')
-                    .attr('transform', 'translate(0,' + y2.range()[0] + ')');
-            }
-
-            //============================================================
-            // Event Handling/Dispatching (in chart's scope)
-            //------------------------------------------------------------
-
-            legend.dispatch.on('stateChange', function(newState) {
-                for (var key in newState)
-                    state[key] = newState[key];
-                dispatch.stateChange(state);
-                chart.update();
-            });
-
-            interactiveLayer.dispatch.on('elementMousemove', function(e) {
-                lines.clearHighlights();
-                var singlePoint, pointIndex, pointXLocation, allData = [];
-                data
-                    .filter(function(series, i) {
-                        series.seriesIndex = i;
-                        return !series.disabled && !series.disableTooltip;
-                    })
-                    .forEach(function(series,i) {
-                        var extent = focusEnable ? (brush.empty() ? x2.domain() : brush.extent()) : x.domain();
-                        var currentValues = series.values.filter(function(d,i) {
-                            return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
-                        });
-
-                        pointIndex = nv.interactiveBisect(currentValues, e.pointXValue, lines.x());
-                        var point = currentValues[pointIndex];
-                        var pointYValue = chart.y()(point, pointIndex);
-                        if (pointYValue !== null) {
-                            lines.highlightPoint(series.seriesIndex, pointIndex, true);
-                        }
-                        if (point === undefined) return;
-                        if (singlePoint === undefined) singlePoint = point;
-                        if (pointXLocation === undefined) pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
-                        allData.push({
-                            key: series.key,
-                            value: pointYValue,
-                            color: color(series,series.seriesIndex),
-                            data: point
-                        });
-                    });
-                //Highlight the tooltip entry based on which point the mouse is closest to.
-                if (allData.length > 2) {
-                    var yValue = chart.yScale().invert(e.mouseY);
-                    var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
-                    var threshold = 0.03 * domainExtent;
-                    var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value;}),yValue,threshold);
-                    if (indexToHighlight !== null)
-                        allData[indexToHighlight].highlight = true;
-                }
-
-                var defaultValueFormatter = function(d,i) {
-                    return d == null ? "N/A" : yAxis.tickFormat()(d);
-                };
-
-                interactiveLayer.tooltip
-                    .chartContainer(chart.container.parentNode)
-                    .valueFormatter(interactiveLayer.tooltip.valueFormatter() || defaultValueFormatter)
-                    .data({
-                        value: chart.x()( singlePoint,pointIndex ),
-                        index: pointIndex,
-                        series: allData
-                    })();
-
-                interactiveLayer.renderGuideLine(pointXLocation);
-
-            });
-
-            interactiveLayer.dispatch.on('elementClick', function(e) {
-                var pointXLocation, allData = [];
-
-                data.filter(function(series, i) {
-                    series.seriesIndex = i;
-                    return !series.disabled;
-                }).forEach(function(series) {
-                    var pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
-                    var point = series.values[pointIndex];
-                    if (typeof point === 'undefined') return;
-                    if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
-                    var yPos = chart.yScale()(chart.y()(point,pointIndex));
-                    allData.push({
-                        point: point,
-                        pointIndex: pointIndex,
-                        pos: [pointXLocation, yPos],
-                        seriesIndex: series.seriesIndex,
-                        series: series
-                    });
-                });
-
-                lines.dispatch.elementClick(allData);
-            });
-
-            interactiveLayer.dispatch.on("elementMouseout",function(e) {
-                lines.clearHighlights();
-            });
-
-            dispatch.on('changeState', function(e) {
-                if (typeof e.disabled !== 'undefined' && data.length === e.disabled.length) {
-                    data.forEach(function(series,i) {
-                        series.disabled = e.disabled[i];
-                    });
-
-                    state.disabled = e.disabled;
-                }
-
-                chart.update();
-            });
-
-            //============================================================
-            // Functions
-            //------------------------------------------------------------
-    
-            // Taken from crossfilter (http://square.github.com/crossfilter/)
-            function resizePath(d) {
-                var e = +(d == 'e'),
-                    x = e ? 1 : -1,
-                    y = availableHeight2 / 3;
-                return 'M' + (0.5 * x) + ',' + y
-                    + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
-                    + 'V' + (2 * y - 6)
-                    + 'A6,6 0 0 ' + e + ' ' + (0.5 * x) + ',' + (2 * y)
-                    + 'Z'
-                    + 'M' + (2.5 * x) + ',' + (y + 8)
-                    + 'V' + (2 * y - 8)
-                    + 'M' + (4.5 * x) + ',' + (y + 8)
-                    + 'V' + (2 * y - 8);
-            }
-    
-    
-            function updateBrushBG() {
-                if (!brush.empty()) brush.extent(brushExtent);
-                brushBG
-                    .data([brush.empty() ? x2.domain() : brushExtent])
-                    .each(function(d,i) {
-                        var leftWidth = x2(d[0]) - x.range()[0],
-                            rightWidth = availableWidth - x2(d[1]);
-                        d3.select(this).select('.left')
-                            .attr('width',  leftWidth < 0 ? 0 : leftWidth);
-    
-                        d3.select(this).select('.right')
-                            .attr('x', x2(d[1]))
-                            .attr('width', rightWidth < 0 ? 0 : rightWidth);
-                    });
-            }
-    
-    
-            function onBrush() {
-                brushExtent = brush.empty() ? null : brush.extent();
-                var extent = brush.empty() ? x2.domain() : brush.extent();
-    
-                //The brush extent cannot be less than one.  If it is, don't update the line chart.
-                if (Math.abs(extent[0] - extent[1]) <= 1) {
-                    return;
-                }
-    
-                dispatch.brush({extent: extent, brush: brush});
-    
-    
-                updateBrushBG();
-    
-                // Update Main (Focus)
-                var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
-                    .datum(
-                    data
-                        .filter(function(d) { return !d.disabled; })
-                        .map(function(d,i) {
-                            return {
-                                key: d.key,
-                                area: d.area,
-                                classed: d.classed,
-                                values: d.values.filter(function(d,i) {
-                                    return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
-                                }),
-                                disableTooltip: d.disableTooltip
-                            };
-                        })
-                );
-                focusLinesWrap.transition().duration(duration).call(lines);
-    
-    
-                // Update Main (Focus) Axes
-                updateXAxis();
-                updateYAxis();
-            }
-
-
-        });
-
-        renderWatch.renderEnd('lineChart immediate');
-        return chart;
-    }
-
-
-    //============================================================
-    // Event Handling/Dispatching (out of chart's scope)
-    //------------------------------------------------------------
-
-    lines.dispatch.on('elementMouseover.tooltip', function(evt) {
-        if(!evt.series.disableTooltip){
-            tooltip.data(evt).hidden(false);
-        }
-    });
-
-    lines.dispatch.on('elementMouseout.tooltip', function(evt) {
-        tooltip.hidden(true);
-    });
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    // expose chart's sub-components
-    chart.dispatch = dispatch;
-    chart.lines = lines;
-    chart.lines2 = lines2;
-    chart.legend = legend;
-    chart.xAxis = xAxis;
-    chart.x2Axis = x2Axis;
-    chart.yAxis = yAxis;
-    chart.y2Axis = y2Axis;
-    chart.interactiveLayer = interactiveLayer;
-    chart.tooltip = tooltip;
-    chart.state = state;
-    chart.dispatch = dispatch;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
-        legendPosition: {get: function(){return legendPosition;}, set: function(_){legendPosition=_;}},
-        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
-        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
-        focusEnable:    {get: function(){return focusEnable;}, set: function(_){focusEnable=_;}},
-        focusHeight:     {get: function(){return height2;}, set: function(_){focusHeight=_;}},
-        focusShowAxisX:    {get: function(){return focusShowAxisX;}, set: function(_){focusShowAxisX=_;}},
-        focusShowAxisY:    {get: function(){return focusShowAxisY;}, set: function(_){focusShowAxisY=_;}},
-        brushExtent: {get: function(){return brushExtent;}, set: function(_){brushExtent=_;}},
-        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
-        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-            lines.duration(duration);
-            xAxis.duration(duration);
-            x2Axis.duration(duration);
-            yAxis.duration(duration);
-            y2Axis.duration(duration);
-        }},
-        focusMargin: {get: function(){return margin2;}, set: function(_){
-            margin2.top    = _.top    !== undefined ? _.top    : margin2.top;
-            margin2.right  = _.right  !== undefined ? _.right  : margin2.right;
-            margin2.bottom = _.bottom !== undefined ? _.bottom : margin2.bottom;
-            margin2.left   = _.left   !== undefined ? _.left   : margin2.left;
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-            legend.color(color);
-            lines.color(color);
-        }},
-        interpolate: {get: function(){return lines.interpolate();}, set: function(_){
-            lines.interpolate(_);
-            lines2.interpolate(_);
-        }},
-        xTickFormat: {get: function(){return xAxis.tickFormat();}, set: function(_){
-            xAxis.tickFormat(_);
-            x2Axis.tickFormat(_);
-        }},
-        yTickFormat: {get: function(){return yAxis.tickFormat();}, set: function(_){
-            yAxis.tickFormat(_);
-            y2Axis.tickFormat(_);
-        }},
-        x: {get: function(){return lines.x();}, set: function(_){
-            lines.x(_);
-            lines2.x(_);
-        }},
-        y: {get: function(){return lines.y();}, set: function(_){
-            lines.y(_);
-            lines2.y(_);
-        }},
-        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
-            rightAlignYAxis = _;
-            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
-        }},
-        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
-            useInteractiveGuideline = _;
-            if (useInteractiveGuideline) {
-                lines.interactive(false);
-                lines.useVoronoi(false);
-            }
-        }}
-    });
-
-    nv.utils.inheritOptions(chart, lines);
-    nv.utils.initOptions(chart);
-
-    return chart;
-};
-
-nv.models.lineWithFocusChart = function() {
-  return nv.models.lineChart()
-    .margin({ bottom: 30 }) 
-    .focusEnable( true );
-};
-nv.models.line = function() {
-    "use strict";
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var  scatter = nv.models.scatter()
-        ;
-
-    var margin = {top: 0, right: 0, bottom: 0, left: 0}
-        , width = 960
-        , height = 500
-        , container = null
-        , strokeWidth = 1.5
-        , color = nv.utils.defaultColor() // a function that returns a color
-        , getX = function(d) { return d.x } // accessor to get the x value from a data point
-        , getY = function(d) { return d.y } // accessor to get the y value from a data point
-        , defined = function(d,i) { return !isNaN(getY(d,i)) && getY(d,i) !== null } // allows a line to be not continuous when it is not defined
-        , isArea = function(d) { return d.area } // decides if a line is an area or just a line
-        , clipEdge = false // if true, masks lines within x and y scale
-        , x //can be accessed via chart.xScale()
-        , y //can be accessed via chart.yScale()
-        , interpolate = "linear" // controls the line interpolation
-        , duration = 250
-        , dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
-        ;
-
-    scatter
-        .pointSize(16) // default size
-        .pointDomain([16,256]) //set to speed up calculation, needs to be unset if there is a custom size accessor
-    ;
-
-    //============================================================
-
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var x0, y0 //used to store previous scales
-        , renderWatch = nv.utils.renderWatch(dispatch, duration)
-        ;
-
-    //============================================================
-
-
-    function chart(selection) {
-        renderWatch.reset();
-        renderWatch.models(scatter);
-        selection.each(function(data) {
-            container = d3.select(this);
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight = nv.utils.availableHeight(height, container, margin);
-            nv.utils.initSVG(container);
-
-            // Setup Scales
-            x = scatter.xScale();
-            y = scatter.yScale();
-
-            x0 = x0 || x;
-            y0 = y0 || y;
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-line').data([data]);
-            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-line');
-            var defsEnter = wrapEnter.append('defs');
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-groups');
-            gEnter.append('g').attr('class', 'nv-scatterWrap');
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            scatter
-                .width(availableWidth)
-                .height(availableHeight);
-
-            var scatterWrap = wrap.select('.nv-scatterWrap');
-            scatterWrap.call(scatter);
-
-            defsEnter.append('clipPath')
-                .attr('id', 'nv-edge-clip-' + scatter.id())
-                .append('rect');
-
-            wrap.select('#nv-edge-clip-' + scatter.id() + ' rect')
-                .attr('width', availableWidth)
-                .attr('height', (availableHeight > 0) ? availableHeight : 0);
-
-            g   .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
-            scatterWrap
-                .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
-
-            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
-                .data(function(d) { return d }, function(d) { return d.key });
-            groups.enter().append('g')
-                .style('stroke-opacity', 1e-6)
-                .style('stroke-width', function(d) { return d.strokeWidth || strokeWidth })
-                .style('fill-opacity', 1e-6);
-
-            groups.exit().remove();
-
-            groups
-                .attr('class', function(d,i) {
-                    return (d.classed || '') + ' nv-group nv-series-' + i;
-                })
-                .classed('hover', function(d) { return d.hover })
-                .style('fill', function(d,i){ return color(d, i) })
-                .style('stroke', function(d,i){ return color(d, i)});
-            groups.watchTransition(renderWatch, 'line: groups')
-                .style('stroke-opacity', 1)
-                .style('fill-opacity', function(d) { return d.fillOpacity || .5});
-
-            var areaPaths = groups.selectAll('path.nv-area')
-                .data(function(d) { return isArea(d) ? [d] : [] }); // this is done differently than lines because I need to check if series is an area
-            areaPaths.enter().append('path')
-                .attr('class', 'nv-area')
-                .attr('d', function(d) {
-                    return d3.svg.area()
-                        .interpolate(interpolate)
-                        .defined(defined)
-                        .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
-                        .y0(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
-                        .y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
-                        //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
-                        .apply(this, [d.values])
-                });
-            groups.exit().selectAll('path.nv-area')
-                .remove();
-
-            areaPaths.watchTransition(renderWatch, 'line: areaPaths')
-                .attr('d', function(d) {
-                    return d3.svg.area()
-                        .interpolate(interpolate)
-                        .defined(defined)
-                        .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
-                        .y0(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
-                        .y1(function(d,i) { return y( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
-                        //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
-                        .apply(this, [d.values])
-                });
-
-            var linePaths = groups.selectAll('path.nv-line')
-                .data(function(d) { return [d.values] });
-
-            linePaths.enter().append('path')
-                .attr('class', 'nv-line')
-                .attr('d',
-                    d3.svg.line()
-                    .interpolate(interpolate)
-                    .defined(defined)
-                    .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
-                    .y(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
-            );
-
-            linePaths.watchTransition(renderWatch, 'line: linePaths')
-                .attr('d',
-                    d3.svg.line()
-                    .interpolate(interpolate)
-                    .defined(defined)
-                    .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
-                    .y(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
-            );
-
-            //store old scales for use in transitions on update
-            x0 = x.copy();
-            y0 = y.copy();
-        });
-        renderWatch.renderEnd('line immediate');
-        return chart;
-    }
-
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.scatter = scatter;
-    // Pass through events
-    scatter.dispatch.on('elementClick', function(){ dispatch.elementClick.apply(this, arguments); });
-    scatter.dispatch.on('elementMouseover', function(){ dispatch.elementMouseover.apply(this, arguments); });
-    scatter.dispatch.on('elementMouseout', function(){ dispatch.elementMouseout.apply(this, arguments); });
-
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        defined: {get: function(){return defined;}, set: function(_){defined=_;}},
-        interpolate:      {get: function(){return interpolate;}, set: function(_){interpolate=_;}},
-        clipEdge:    {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-            scatter.duration(duration);
-        }},
-        isArea: {get: function(){return isArea;}, set: function(_){
-            isArea = d3.functor(_);
-        }},
-        x: {get: function(){return getX;}, set: function(_){
-            getX = _;
-            scatter.x(_);
-        }},
-        y: {get: function(){return getY;}, set: function(_){
-            getY = _;
-            scatter.y(_);
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-            scatter.color(color);
-        }}
-    });
-
-    nv.utils.inheritOptions(chart, scatter);
-    nv.utils.initOptions(chart);
-
-    return chart;
-};
-
-nv.models.discreteBarChart = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var discretebar = nv.models.discreteBar()
-        , xAxis = nv.models.axis()
-        , yAxis = nv.models.axis()
-	, legend = nv.models.legend()
-        , tooltip = nv.models.tooltip()
-        ;
-
-    var margin = {top: 15, right: 10, bottom: 50, left: 60}
-        , width = null
-        , height = null
-        , color = nv.utils.getColor()
-	, showLegend = false
-        , showXAxis = true
-        , showYAxis = true
-        , rightAlignYAxis = false
-        , staggerLabels = false
-        , wrapLabels = false
-        , rotateLabels = 0
-        , x
-        , y
-        , noData = null
-        , dispatch = d3.dispatch('beforeUpdate','renderEnd')
-        , duration = 250
-        ;
-
-    xAxis
-        .orient('bottom')
-        .showMaxMin(false)
-        .tickFormat(function(d) { return d })
-    ;
-    yAxis
-        .orient((rightAlignYAxis) ? 'right' : 'left')
-        .tickFormat(d3.format(',.1f'))
-    ;
-
-    tooltip
-        .duration(0)
-        .headerEnabled(false)
-        .valueFormatter(function(d, i) {
-            return yAxis.tickFormat()(d, i);
-        })
-        .keyFormatter(function(d, i) {
-            return xAxis.tickFormat()(d, i);
-        });
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var renderWatch = nv.utils.renderWatch(dispatch, duration);
-
-    function chart(selection) {
-        renderWatch.reset();
-        renderWatch.models(discretebar);
-        if (showXAxis) renderWatch.models(xAxis);
-        if (showYAxis) renderWatch.models(yAxis);
-
-        selection.each(function(data) {
-            var container = d3.select(this),
-                that = this;
-            nv.utils.initSVG(container);
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight = nv.utils.availableHeight(height, container, margin);
-
-            chart.update = function() {
-                dispatch.beforeUpdate();
-                container.transition().duration(duration).call(chart);
-            };
-            chart.container = this;
-
-            // Display No Data message if there's nothing to show.
-            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
-                nv.utils.noData(chart, container);
-                return chart;
-            } else {
-                container.selectAll('.nv-noData').remove();
-            }
-
-            // Setup Scales
-            x = discretebar.xScale();
-            y = discretebar.yScale().clamp(true);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-discreteBarWithAxes').data([data]);
-            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discreteBarWithAxes').append('g');
-            var defsEnter = gEnter.append('defs');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-x nv-axis');
-            gEnter.append('g').attr('class', 'nv-y nv-axis')
-                .append('g').attr('class', 'nv-zeroLine')
-                .append('line');
-
-            gEnter.append('g').attr('class', 'nv-barsWrap');
-	    gEnter.append('g').attr('class', 'nv-legendWrap');
-
-            g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            // Legend
-            if (!showLegend) {
-                g.select('.nv-legendWrap').selectAll('*').remove();
-            } else {
-                legend.width(availableWidth);
-
-                g.select('.nv-legendWrap')
-                    .datum(data)
-                    .call(legend);
-
-                if ( margin.top != legend.height()) {
-                    margin.top = legend.height();
-                    availableHeight = nv.utils.availableHeight(height, container, margin);
-                }
-
-                wrap.select('.nv-legendWrap')
-                    .attr('transform', 'translate(0,' + (-margin.top) +')')
-            }
-            
-            if (rightAlignYAxis) {
-                g.select(".nv-y.nv-axis")
-                    .attr("transform", "translate(" + availableWidth + ",0)");
-            }	    
-
-            // Main Chart Component(s)
-            discretebar
-                .width(availableWidth)
-                .height(availableHeight);
-
-            var barsWrap = g.select('.nv-barsWrap')
-                .datum(data.filter(function(d) { return !d.disabled }));
-
-            barsWrap.transition().call(discretebar);
-
-
-            defsEnter.append('clipPath')
-                .attr('id', 'nv-x-label-clip-' + discretebar.id())
-                .append('rect');
-
-            g.select('#nv-x-label-clip-' + discretebar.id() + ' rect')
-                .attr('width', x.rangeBand() * (staggerLabels ? 2 : 1))
-                .attr('height', 16)
-                .attr('x', -x.rangeBand() / (staggerLabels ? 1 : 2 ));
-
-            // Setup Axes
-            if (showXAxis) {
-                xAxis
-                    .scale(x)
-                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
-                    .tickSize(-availableHeight, 0);
-
-                g.select('.nv-x.nv-axis')
-                    .attr('transform', 'translate(0,' + (y.range()[0] + ((discretebar.showValues() && y.domain()[0] < 0) ? 16 : 0)) + ')');
-                g.select('.nv-x.nv-axis').call(xAxis);
-
-                var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
-                if (staggerLabels) {
-                    xTicks
-                        .selectAll('text')
-                        .attr('transform', function(d,i,j) { return 'translate(0,' + (j % 2 == 0 ? '5' : '17') + ')' })
-                }
-
-                if (rotateLabels) {
-                    xTicks
-                        .selectAll('.tick text')
-                        .attr('transform', 'rotate(' + rotateLabels + ' 0,0)')
-                        .style('text-anchor', rotateLabels > 0 ? 'start' : 'end');
-                }
-
-                if (wrapLabels) {
-                    g.selectAll('.tick text')
-                        .call(nv.utils.wrapTicks, chart.xAxis.rangeBand())
-                }
-            }
-
-            if (showYAxis) {
-                yAxis
-                    .scale(y)
-                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
-                    .tickSize( -availableWidth, 0);
-
-                g.select('.nv-y.nv-axis').call(yAxis);
-            }
-
-            // Zero line
-            g.select(".nv-zeroLine line")
-                .attr("x1",0)
-                .attr("x2",(rightAlignYAxis) ? -availableWidth : availableWidth)
-                .attr("y1", y(0))
-                .attr("y2", y(0))
-            ;
-        });
-
-        renderWatch.renderEnd('discreteBar chart immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Event Handling/Dispatching (out of chart's scope)
-    //------------------------------------------------------------
-
-    discretebar.dispatch.on('elementMouseover.tooltip', function(evt) {
-        evt['series'] = {
-            key: chart.x()(evt.data),
-            value: chart.y()(evt.data),
-            color: evt.color
-        };
-        tooltip.data(evt).hidden(false);
-    });
-
-    discretebar.dispatch.on('elementMouseout.tooltip', function(evt) {
-        tooltip.hidden(true);
-    });
-
-    discretebar.dispatch.on('elementMousemove.tooltip', function(evt) {
-        tooltip();
-    });
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.discretebar = discretebar;
-    chart.legend = legend;
-    chart.xAxis = xAxis;
-    chart.yAxis = yAxis;
-    chart.tooltip = tooltip;
-
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-	showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
-        staggerLabels: {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
-        rotateLabels:  {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
-        wrapLabels:  {get: function(){return wrapLabels;}, set: function(_){wrapLabels=!!_;}},
-        showXAxis: {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
-        showYAxis: {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
-        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-            discretebar.duration(duration);
-            xAxis.duration(duration);
-            yAxis.duration(duration);
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-            discretebar.color(color);
-	    legend.color(color);
-        }},
-        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
-            rightAlignYAxis = _;
-            yAxis.orient( (_) ? 'right' : 'left');
-        }}
-    });
-
-    nv.utils.inheritOptions(chart, discretebar);
-    nv.utils.initOptions(chart);
-
-    return chart;
-}
-nv.models.pieChart = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var pie = nv.models.pie();
-    var legend = nv.models.legend();
-    var tooltip = nv.models.tooltip();
-
-    var margin = {top: 30, right: 20, bottom: 20, left: 20}
-        , width = null
-        , height = null
-        , showLegend = true
-        , legendPosition = "top"
-        , color = nv.utils.defaultColor()
-        , state = nv.utils.state()
-        , defaultState = null
-        , noData = null
-        , duration = 250
-        , dispatch = d3.dispatch('stateChange', 'changeState','renderEnd')
-        ;
-
-    tooltip
-        .duration(0)
-        .headerEnabled(false)
-        .valueFormatter(function(d, i) {
-            return pie.valueFormat()(d, i);
-        });
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var renderWatch = nv.utils.renderWatch(dispatch);
-
-    var stateGetter = function(data) {
-        return function(){
-            return {
-                active: data.map(function(d) { return !d.disabled })
-            };
-        }
-    };
-
-    var stateSetter = function(data) {
-        return function(state) {
-            if (state.active !== undefined) {
-                data.forEach(function (series, i) {
-                    series.disabled = !state.active[i];
-                });
-            }
-        }
-    };
-
-    //============================================================
-    // Chart function
-    //------------------------------------------------------------
-
-    function chart(selection) {
-        renderWatch.reset();
-        renderWatch.models(pie);
-
-        selection.each(function(data) {
-            var container = d3.select(this);
-            nv.utils.initSVG(container);
-
-            var that = this;
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight = nv.utils.availableHeight(height, container, margin);
-
-            chart.update = function() { container.transition().call(chart); };
-            chart.container = this;
-
-            state.setter(stateSetter(data), chart.update)
-                .getter(stateGetter(data))
-                .update();
-
-            //set state.disabled
-            state.disabled = data.map(function(d) { return !!d.disabled });
-
-            if (!defaultState) {
-                var key;
-                defaultState = {};
-                for (key in state) {
-                    if (state[key] instanceof Array)
-                        defaultState[key] = state[key].slice(0);
-                    else
-                        defaultState[key] = state[key];
-                }
-            }
-
-            // Display No Data message if there's nothing to show.
-            if (!data || !data.length) {
-                nv.utils.noData(chart, container);
-                return chart;
-            } else {
-                container.selectAll('.nv-noData').remove();
-            }
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-pieChart').data([data]);
-            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-pieChart').append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-pieWrap');
-            gEnter.append('g').attr('class', 'nv-legendWrap');
-
-            // Legend
-            if (!showLegend) {
-                g.select('.nv-legendWrap').selectAll('*').remove();
-            } else {
-                if (legendPosition === "top") {
-                    legend.width( availableWidth ).key(pie.x());
-
-                    wrap.select('.nv-legendWrap')
-                        .datum(data)
-                        .call(legend);
-
-                    if ( margin.top != legend.height()) {
-                        margin.top = legend.height();
-                        availableHeight = nv.utils.availableHeight(height, container, margin);
-                    }
-
-                    wrap.select('.nv-legendWrap')
-                        .attr('transform', 'translate(0,' + (-margin.top) +')');
-                } else if (legendPosition === "right") {
-                    var legendWidth = nv.models.legend().width();
-                    if (availableWidth / 2 < legendWidth) {
-                        legendWidth = (availableWidth / 2)
-                    }
-                    legend.height(availableHeight).key(pie.x());
-                    legend.width(legendWidth);
-                    availableWidth -= legend.width();
-
-                    wrap.select('.nv-legendWrap')
-                        .datum(data)
-                        .call(legend)
-                        .attr('transform', 'translate(' + (availableWidth) +',0)');
-                }
-            }
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            // Main Chart Component(s)
-            pie.width(availableWidth).height(availableHeight);
-            var pieWrap = g.select('.nv-pieWrap').datum([data]);
-            d3.transition(pieWrap).call(pie);
-
-            //============================================================
-            // Event Handling/Dispatching (in chart's scope)
-            //------------------------------------------------------------
-
-            legend.dispatch.on('stateChange', function(newState) {
-                for (var key in newState) {
-                    state[key] = newState[key];
-                }
-                dispatch.stateChange(state);
-                chart.update();
-            });
-
-            // Update chart from a state object passed to event handler
-            dispatch.on('changeState', function(e) {
-                if (typeof e.disabled !== 'undefined') {
-                    data.forEach(function(series,i) {
-                        series.disabled = e.disabled[i];
-                    });
-                    state.disabled = e.disabled;
-                }
-                chart.update();
-            });
-        });
-
-        renderWatch.renderEnd('pieChart immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Event Handling/Dispatching (out of chart's scope)
-    //------------------------------------------------------------
-
-    pie.dispatch.on('elementMouseover.tooltip', function(evt) {
-        evt['series'] = {
-            key: chart.x()(evt.data),
-            value: chart.y()(evt.data),
-            color: evt.color
-        };
-        tooltip.data(evt).hidden(false);
-    });
-
-    pie.dispatch.on('elementMouseout.tooltip', function(evt) {
-        tooltip.hidden(true);
-    });
-
-    pie.dispatch.on('elementMousemove.tooltip', function(evt) {
-        tooltip();
-    });
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    // expose chart's sub-components
-    chart.legend = legend;
-    chart.dispatch = dispatch;
-    chart.pie = pie;
-    chart.tooltip = tooltip;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    // use Object get/set functionality to map between vars and chart functions
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        noData:         {get: function(){return noData;},         set: function(_){noData=_;}},
-        showLegend:     {get: function(){return showLegend;},     set: function(_){showLegend=_;}},
-        legendPosition: {get: function(){return legendPosition;}, set: function(_){legendPosition=_;}},
-        defaultState:   {get: function(){return defaultState;},   set: function(_){defaultState=_;}},
-
-        // options that require extra logic in the setter
-        color: {get: function(){return color;}, set: function(_){
-            color = _;
-            legend.color(color);
-            pie.color(color);
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-        }},
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }}
-    });
-    nv.utils.inheritOptions(chart, pie);
-    nv.utils.initOptions(chart);
-    return chart;
-};
-//TODO: consider deprecating by adding necessary features to multiBar model
-nv.models.discreteBar = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var margin = {top: 0, right: 0, bottom: 0, left: 0}
-        , width = 960
-        , height = 500
-        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
-        , container
-        , x = d3.scale.ordinal()
-        , y = d3.scale.linear()
-        , getX = function(d) { return d.x }
-        , getY = function(d) { return d.y }
-        , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
-        , color = nv.utils.defaultColor()
-        , showValues = false
-        , valueFormat = d3.format(',.2f')
-        , xDomain
-        , yDomain
-        , xRange
-        , yRange
-        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
-        , rectClass = 'discreteBar'
-        , duration = 250
-        ;
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var x0, y0;
-    var renderWatch = nv.utils.renderWatch(dispatch, duration);
-
-    function chart(selection) {
-        renderWatch.reset();
-        selection.each(function(data) {
-            var availableWidth = width - margin.left - margin.right,
-                availableHeight = height - margin.top - margin.bottom;
-
-            container = d3.select(this);
-            nv.utils.initSVG(container);
-
-            //add series index to each data point for reference
-            data.forEach(function(series, i) {
-                series.values.forEach(function(point) {
-                    point.series = i;
-                });
-            });
-
-            // Setup Scales
-            // remap and flatten the data for use in calculating the scales' domains
-            var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
-                data.map(function(d) {
-                    return d.values.map(function(d,i) {
-                        return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
-                    })
-                });
-
-            x   .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
-                .rangeBands(xRange || [0, availableWidth], .1);
-            y   .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y }).concat(forceY)));
-
-            // If showValues, pad the Y axis range to account for label height
-            if (showValues) y.range(yRange || [availableHeight - (y.domain()[0] < 0 ? 12 : 0), y.domain()[1] > 0 ? 12 : 0]);
-            else y.range(yRange || [availableHeight, 0]);
-
-            //store old scales if they exist
-            x0 = x0 || x;
-            y0 = y0 || y.copy().range([y(0),y(0)]);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-discretebar').data([data]);
-            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discretebar');
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-groups');
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-            //TODO: by definition, the discrete bar should not have multiple groups, will modify/remove later
-            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
-                .data(function(d) { return d }, function(d) { return d.key });
-            groups.enter().append('g')
-                .style('stroke-opacity', 1e-6)
-                .style('fill-opacity', 1e-6);
-            groups.exit()
-                .watchTransition(renderWatch, 'discreteBar: exit groups')
-                .style('stroke-opacity', 1e-6)
-                .style('fill-opacity', 1e-6)
-                .remove();
-            groups
-                .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
-                .classed('hover', function(d) { return d.hover });
-            groups
-                .watchTransition(renderWatch, 'discreteBar: groups')
-                .style('stroke-opacity', 1)
-                .style('fill-opacity', .75);
-
-            var bars = groups.selectAll('g.nv-bar')
-                .data(function(d) { return d.values });
-            bars.exit().remove();
-
-            var barsEnter = bars.enter().append('g')
-                .attr('transform', function(d,i,j) {
-                    return 'translate(' + (x(getX(d,i)) + x.rangeBand() * .05 ) + ', ' + y(0) + ')'
-                })
-                .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
-                    d3.select(this).classed('hover', true);
-                    dispatch.elementMouseover({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('mouseout', function(d,i) {
-                    d3.select(this).classed('hover', false);
-                    dispatch.elementMouseout({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('mousemove', function(d,i) {
-                    dispatch.elementMousemove({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                })
-                .on('click', function(d,i) {
-                    var element = this;
-                    dispatch.elementClick({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill"),
-                        event: d3.event,
-                        element: element
-                    });
-                    d3.event.stopPropagation();
-                })
-                .on('dblclick', function(d,i) {
-                    dispatch.elementDblClick({
-                        data: d,
-                        index: i,
-                        color: d3.select(this).style("fill")
-                    });
-                    d3.event.stopPropagation();
-                });
-
-            barsEnter.append('rect')
-                .attr('height', 0)
-                .attr('width', x.rangeBand() * .9 / data.length )
-
-            if (showValues) {
-                barsEnter.append('text')
-                    .attr('text-anchor', 'middle')
-                ;
-
-                bars.select('text')
-                    .text(function(d,i) { return valueFormat(getY(d,i)) })
-                    .watchTransition(renderWatch, 'discreteBar: bars text')
-                    .attr('x', x.rangeBand() * .9 / 2)
-                    .attr('y', function(d,i) { return getY(d,i) < 0 ? y(getY(d,i)) - y(0) + 12 : -4 })
-
-                ;
-            } else {
-                bars.selectAll('text').remove();
-            }
-
-            bars
-                .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive' })
-                .style('fill', function(d,i) { return d.color || color(d,i) })
-                .style('stroke', function(d,i) { return d.color || color(d,i) })
-                .select('rect')
-                .attr('class', rectClass)
-                .watchTransition(renderWatch, 'discreteBar: bars rect')
-                .attr('width', x.rangeBand() * .9 / data.length);
-            bars.watchTransition(renderWatch, 'discreteBar: bars')
-                //.delay(function(d,i) { return i * 1200 / data[0].values.length })
-                .attr('transform', function(d,i) {
-                    var left = x(getX(d,i)) + x.rangeBand() * .05,
-                        top = getY(d,i) < 0 ?
-                            y(0) :
-                                y(0) - y(getY(d,i)) < 1 ?
-                            y(0) - 1 : //make 1 px positive bars show up above y=0
-                            y(getY(d,i));
-
-                    return 'translate(' + left + ', ' + top + ')'
-                })
-                .select('rect')
-                .attr('height', function(d,i) {
-                    return  Math.max(Math.abs(y(getY(d,i)) - y(0)), 1)
-                });
-
-
-            //store old scales for use in transitions on update
-            x0 = x.copy();
-            y0 = y.copy();
-
-        });
-
-        renderWatch.renderEnd('discreteBar immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:   {get: function(){return width;}, set: function(_){width=_;}},
-        height:  {get: function(){return height;}, set: function(_){height=_;}},
-        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
-        showValues: {get: function(){return showValues;}, set: function(_){showValues=_;}},
-        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
-        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
-        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
-        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
-        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
-        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
-        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
-        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
-        valueFormat:    {get: function(){return valueFormat;}, set: function(_){valueFormat=_;}},
-        id:          {get: function(){return id;}, set: function(_){id=_;}},
-        rectClass: {get: function(){return rectClass;}, set: function(_){rectClass=_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            renderWatch.reset(duration);
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-
-    return chart;
-};
-nv.models.multiBarChart = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var multibar = nv.models.multiBar()
-        , xAxis = nv.models.axis()
-        , yAxis = nv.models.axis()
-        , interactiveLayer = nv.interactiveGuideline()
-        , legend = nv.models.legend()
-        , controls = nv.models.legend()
-        , tooltip = nv.models.tooltip()
-        ;
-
-    var margin = {top: 30, right: 20, bottom: 50, left: 60}
-        , width = null
-        , height = null
-        , color = nv.utils.defaultColor()
-        , showControls = true
-        , controlLabels = {}
-        , showLegend = true
-        , showXAxis = true
-        , showYAxis = true
-        , rightAlignYAxis = false
-        , reduceXTicks = true // if false a tick will show for every data point
-        , staggerLabels = false
-        , wrapLabels = false
-        , rotateLabels = 0
-        , x //can be accessed via chart.xScale()
-        , y //can be accessed via chart.yScale()
-        , state = nv.utils.state()
-        , defaultState = null
-        , noData = null
-        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd')
-        , controlWidth = function() { return showControls ? 180 : 0 }
-        , duration = 250
-        , useInteractiveGuideline = false
-        ;
-
-    state.stacked = false // DEPRECATED Maintained for backward compatibility
-
-    multibar.stacked(false);
-    xAxis
-        .orient('bottom')
-        .tickPadding(7)
-        .showMaxMin(false)
-        .tickFormat(function(d) { return d })
-    ;
-    yAxis
-        .orient((rightAlignYAxis) ? 'right' : 'left')
-        .tickFormat(d3.format(',.1f'))
-    ;
-
-    tooltip
-        .duration(0)
-        .valueFormatter(function(d, i) {
-            return yAxis.tickFormat()(d, i);
-        })
-        .headerFormatter(function(d, i) {
-            return xAxis.tickFormat()(d, i);
-        });
-
-    controls.updateState(false);
-
-    //============================================================
-    // Private Variables
-    //------------------------------------------------------------
-
-    var renderWatch = nv.utils.renderWatch(dispatch);
-    var stacked = false;
-
-    var stateGetter = function(data) {
-        return function(){
-            return {
-                active: data.map(function(d) { return !d.disabled }),
-                stacked: stacked
-            };
-        }
-    };
-
-    var stateSetter = function(data) {
-        return function(state) {
-            if (state.stacked !== undefined)
-                stacked = state.stacked;
-            if (state.active !== undefined)
-                data.forEach(function(series,i) {
-                    series.disabled = !state.active[i];
-                });
-        }
-    };
-
-    function chart(selection) {
-        renderWatch.reset();
-        renderWatch.models(multibar);
-        if (showXAxis) renderWatch.models(xAxis);
-        if (showYAxis) renderWatch.models(yAxis);
-
-        selection.each(function(data) {
-            var container = d3.select(this),
-                that = this;
-            nv.utils.initSVG(container);
-            var availableWidth = nv.utils.availableWidth(width, container, margin),
-                availableHeight = nv.utils.availableHeight(height, container, margin);
-
-            chart.update = function() {
-                if (duration === 0)
-                    container.call(chart);
-                else
-                    container.transition()
-                        .duration(duration)
-                        .call(chart);
-            };
-            chart.container = this;
-
-            state
-                .setter(stateSetter(data), chart.update)
-                .getter(stateGetter(data))
-                .update();
-
-            // DEPRECATED set state.disableddisabled
-            state.disabled = data.map(function(d) { return !!d.disabled });
-
-            if (!defaultState) {
-                var key;
-                defaultState = {};
-                for (key in state) {
-                    if (state[key] instanceof Array)
-                        defaultState[key] = state[key].slice(0);
-                    else
-                        defaultState[key] = state[key];
-                }
-            }
-
-            // Display noData message if there's nothing to show.
-            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
-                nv.utils.noData(chart, container)
-                return chart;
-            } else {
-                container.selectAll('.nv-noData').remove();
-            }
-
-            // Setup Scales
-            x = multibar.xScale();
-            y = multibar.yScale();
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('g.nv-wrap.nv-multiBarWithLegend').data([data]);
-            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarWithLegend').append('g');
-            var g = wrap.select('g');
-
-            gEnter.append('g').attr('class', 'nv-x nv-axis');
-            gEnter.append('g').attr('class', 'nv-y nv-axis');
-            gEnter.append('g').attr('class', 'nv-barsWrap');
-            gEnter.append('g').attr('class', 'nv-legendWrap');
-            gEnter.append('g').attr('class', 'nv-controlsWrap');
-            gEnter.append('g').attr('class', 'nv-interactive');
-
-            // Legend
-            if (!showLegend) {
-                g.select('.nv-legendWrap').selectAll('*').remove();
-            } else {
-                legend.width(availableWidth - controlWidth());
-
-                g.select('.nv-legendWrap')
-                    .datum(data)
-                    .call(legend);
-
-                if ( margin.top != legend.height()) {
-                    margin.top = legend.height();
-                    availableHeight = nv.utils.availableHeight(height, container, margin);
-                }
-
-                g.select('.nv-legendWrap')
-                    .attr('transform', 'translate(' + controlWidth() + ',' + (-margin.top) +')');
-            }
-
-            // Controls
-            if (!showControls) {
-                 g.select('.nv-controlsWrap').selectAll('*').remove();
-            } else {
-                var controlsData = [
-                    { key: controlLabels.grouped || 'Grouped', disabled: multibar.stacked() },
-                    { key: controlLabels.stacked || 'Stacked', disabled: !multibar.stacked() }
-                ];
-
-                controls.width(controlWidth()).color(['#444', '#444', '#444']);
-                g.select('.nv-controlsWrap')
-                    .datum(controlsData)
-                    .attr('transform', 'translate(0,' + (-margin.top) +')')
-                    .call(controls);
-            }
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-            if (rightAlignYAxis) {
-                g.select(".nv-y.nv-axis")
-                    .attr("transform", "translate(" + availableWidth + ",0)");
-            }
-
-            // Main Chart Component(s)
-            multibar
-                .disabled(data.map(function(series) { return series.disabled }))
-                .width(availableWidth)
-                .height(availableHeight)
-                .color(data.map(function(d,i) {
-                    return d.color || color(d, i);
-                }).filter(function(d,i) { return !data[i].disabled }));
-
-
-            var barsWrap = g.select('.nv-barsWrap')
-                .datum(data.filter(function(d) { return !d.disabled }));
-
-            barsWrap.call(multibar);
-
-            // Setup Axes
-            if (showXAxis) {
-                xAxis
-                    .scale(x)
-                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
-                    .tickSize(-availableHeight, 0);
-
-                g.select('.nv-x.nv-axis')
-                    .attr('transform', 'translate(0,' + y.range()[0] + ')');
-                g.select('.nv-x.nv-axis')
-                    .call(xAxis);
-
-                var xTicks = g.select('.nv-x.nv-axis > g').selectAll('g');
-
-                xTicks
-                    .selectAll('line, text')
-                    .style('opacity', 1)
-
-                if (staggerLabels) {
-                    var getTranslate = function(x,y) {
-                        return "translate(" + x + "," + y + ")";
-                    };
-
-                    var staggerUp = 5, staggerDown = 17;  //pixels to stagger by
-                    // Issue #140
-                    xTicks
-                        .selectAll("text")
-                        .attr('transform', function(d,i,j) {
-                            return  getTranslate(0, (j % 2 == 0 ? staggerUp : staggerDown));
-                        });
-
-                    var totalInBetweenTicks = d3.selectAll(".nv-x.nv-axis .nv-wrap g g text")[0].length;
-                    g.selectAll(".nv-x.nv-axis .nv-axisMaxMin text")
-                        .attr("transform", function(d,i) {
-                            return getTranslate(0, (i === 0 || totalInBetweenTicks % 2 !== 0) ? staggerDown : staggerUp);
-                        });
-                }
-
-                if (wrapLabels) {
-                    g.selectAll('.tick text')
-                        .call(nv.utils.wrapTicks, chart.xAxis.rangeBand())
-                }
-
-                if (reduceXTicks)
-                    xTicks
-                        .filter(function(d,i) {
-                            return i % Math.ceil(data[0].values.length / (availableWidth / 100)) !== 0;
-                        })
-                        .selectAll('text, line')
-                        .style('opacity', 0);
-
-                if(rotateLabels)
-                    xTicks
-                        .selectAll('.tick text')
-                        .attr('transform', 'rotate(' + rotateLabels + ' 0,0)')
-                        .style('text-anchor', rotateLabels > 0 ? 'start' : 'end');
-
-                g.select('.nv-x.nv-axis').selectAll('g.nv-axisMaxMin text')
-                    .style('opacity', 1);
-            }
-
-            if (showYAxis) {
-                yAxis
-                    .scale(y)
-                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
-                    .tickSize( -availableWidth, 0);
-
-                g.select('.nv-y.nv-axis')
-                    .call(yAxis);
-            }
-
-            //Set up interactive layer
-            if (useInteractiveGuideline) {
-                interactiveLayer
-                    .width(availableWidth)
-                    .height(availableHeight)
-                    .margin({left:margin.left, top:margin.top})
-                    .svgContainer(container)
-                    .xScale(x);
-                wrap.select(".nv-interactive").call(interactiveLayer);
-            }
-
-            //============================================================
-            // Event Handling/Dispatching (in chart's scope)
-            //------------------------------------------------------------
-
-            legend.dispatch.on('stateChange', function(newState) {
-                for (var key in newState)
-                    state[key] = newState[key];
-                dispatch.stateChange(state);
-                chart.update();
-            });
-
-            controls.dispatch.on('legendClick', function(d,i) {
-                if (!d.disabled) return;
-                controlsData = controlsData.map(function(s) {
-                    s.disabled = true;
-                    return s;
-                });
-                d.disabled = false;
-
-                switch (d.key) {
-                    case 'Grouped':
-                    case controlLabels.grouped:
-                        multibar.stacked(false);
-                        break;
-                    case 'Stacked':
-                    case controlLabels.stacked:
-                        multibar.stacked(true);
-                        break;
-                }
-
-                state.stacked = multibar.stacked();
-                dispatch.stateChange(state);
-                chart.update();
-            });
-
-            // Update chart from a state object passed to event handler
-            dispatch.on('changeState', function(e) {
-                if (typeof e.disabled !== 'undefined') {
-                    data.forEach(function(series,i) {
-                        series.disabled = e.disabled[i];
-                    });
-                    state.disabled = e.disabled;
-                }
-                if (typeof e.stacked !== 'undefined') {
-                    multibar.stacked(e.stacked);
-                    state.stacked = e.stacked;
-                    stacked = e.stacked;
-                }
-                chart.update();
-            });
-
-            if (useInteractiveGuideline) {
-                interactiveLayer.dispatch.on('elementMousemove', function(e) {
-                    if (e.pointXValue == undefined) return;
-
-                    var singlePoint, pointIndex, pointXLocation, xValue, allData = [];
-                    data
-                        .filter(function(series, i) {
-                            series.seriesIndex = i;
-                            return !series.disabled;
-                        })
-                        .forEach(function(series,i) {
-                            pointIndex = x.domain().indexOf(e.pointXValue)
-
-                            var point = series.values[pointIndex];
-                            if (point === undefined) return;
-
-                            xValue = point.x;
-                            if (singlePoint === undefined) singlePoint = point;
-                            if (pointXLocation === undefined) pointXLocation = e.mouseX
-                            allData.push({
-                                key: series.key,
-                                value: chart.y()(point, pointIndex),
-                                color: color(series,series.seriesIndex),
-                                data: series.values[pointIndex]
-                            });
-                        });
-
-                    interactiveLayer.tooltip
-                        .chartContainer(that.parentNode)
-                        .data({
-                            value: xValue,
-                            index: pointIndex,
-                            series: allData
-                        })();
-
-                    interactiveLayer.renderGuideLine(pointXLocation);
-                });
-
-                interactiveLayer.dispatch.on("elementMouseout",function(e) {
-                    interactiveLayer.tooltip.hidden(true);
-                });
-            }
-            else {
-                multibar.dispatch.on('elementMouseover.tooltip', function(evt) {
-                    evt.value = chart.x()(evt.data);
-                    evt['series'] = {
-                        key: evt.data.key,
-                        value: chart.y()(evt.data),
-                        color: evt.color
-                    };
-                    tooltip.data(evt).hidden(false);
-                });
-
-                multibar.dispatch.on('elementMouseout.tooltip', function(evt) {
-                    tooltip.hidden(true);
-                });
-
-                multibar.dispatch.on('elementMousemove.tooltip', function(evt) {
-                    tooltip();
-                });
-            }
-        });
-
-        renderWatch.renderEnd('multibarchart immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    // expose chart's sub-components
-    chart.dispatch = dispatch;
-    chart.multibar = multibar;
-    chart.legend = legend;
-    chart.controls = controls;
-    chart.xAxis = xAxis;
-    chart.yAxis = yAxis;
-    chart.state = state;
-    chart.tooltip = tooltip;
-    chart.interactiveLayer = interactiveLayer;
-
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
-        showControls: {get: function(){return showControls;}, set: function(_){showControls=_;}},
-        controlLabels: {get: function(){return controlLabels;}, set: function(_){controlLabels=_;}},
-        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
-        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
-        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
-        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
-        reduceXTicks:    {get: function(){return reduceXTicks;}, set: function(_){reduceXTicks=_;}},
-        rotateLabels:    {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
-        staggerLabels:    {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
-        wrapLabels:   {get: function(){return wrapLabels;}, set: function(_){wrapLabels=!!_;}},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = _.top    !== undefined ? _.top    : margin.top;
-            margin.right  = _.right  !== undefined ? _.right  : margin.right;
-            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
-            margin.left   = _.left   !== undefined ? _.left   : margin.left;
-        }},
-        duration: {get: function(){return duration;}, set: function(_){
-            duration = _;
-            multibar.duration(duration);
-            xAxis.duration(duration);
-            yAxis.duration(duration);
-            renderWatch.reset(duration);
-        }},
-        color:  {get: function(){return color;}, set: function(_){
-            color = nv.utils.getColor(_);
-            legend.color(color);
-        }},
-        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
-            rightAlignYAxis = _;
-            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
-        }},
-        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
-            useInteractiveGuideline = _;
-        }},
-        barColor:  {get: function(){return multibar.barColor;}, set: function(_){
-            multibar.barColor(_);
-            legend.color(function(d,i) {return d3.rgb('#ccc').darker(i * 1.5).toString();})
-        }}
-    });
-
-    nv.utils.inheritOptions(chart, multibar);
-    nv.utils.initOptions(chart);
-
-    return chart;
-};
-nv.models.pie = function() {
-    "use strict";
-
-    //============================================================
-    // Public Variables with Default Settings
-    //------------------------------------------------------------
-
-    var margin = {top: 0, right: 0, bottom: 0, left: 0}
-        , width = 500
-        , height = 500
-        , getX = function(d) { return d.x }
-        , getY = function(d) { return d.y }
-        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
-        , container = null
-        , color = nv.utils.defaultColor()
-        , valueFormat = d3.format(',.2f')
-        , showLabels = true
-        , labelsOutside = false
-        , labelType = "key"
-        , labelThreshold = .02 //if slice percentage is under this, don't show label
-        , donut = false
-        , title = false
-        , growOnHover = true
-        , titleOffset = 0
-        , labelSunbeamLayout = false
-        , startAngle = false
-        , padAngle = false
-        , endAngle = false
-        , cornerRadius = 0
-        , donutRatio = 0.5
-        , arcsRadius = []
-        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
-        ;
-
-    var arcs = [];
-    var arcsOver = [];
-
-    //============================================================
-    // chart function
-    //------------------------------------------------------------
-
-    var renderWatch = nv.utils.renderWatch(dispatch);
-
-    function chart(selection) {
-        renderWatch.reset();
-        selection.each(function(data) {
-            var availableWidth = width - margin.left - margin.right
-                , availableHeight = height - margin.top - margin.bottom
-                , radius = Math.min(availableWidth, availableHeight) / 2
-                , arcsRadiusOuter = []
-                , arcsRadiusInner = []
-                ;
-
-            container = d3.select(this)
-            if (arcsRadius.length === 0) {
-                var outer = radius - radius / 5;
-                var inner = donutRatio * radius;
-                for (var i = 0; i < data[0].length; i++) {
-                    arcsRadiusOuter.push(outer);
-                    arcsRadiusInner.push(inner);
-                }
-            } else {
-                if(growOnHover){
-                    arcsRadiusOuter = arcsRadius.map(function (d) { return (d.outer - d.outer / 5) * radius; });
-                    arcsRadiusInner = arcsRadius.map(function (d) { return (d.inner - d.inner / 5) * radius; });
-                    donutRatio = d3.min(arcsRadius.map(function (d) { return (d.inner - d.inner / 5); }));
-                } else {
-                    arcsRadiusOuter = arcsRadius.map(function (d) { return d.outer * radius; });
-                    arcsRadiusInner = arcsRadius.map(function (d) { return d.inner * radius; });
-                    donutRatio = d3.min(arcsRadius.map(function (d) { return d.inner; }));
-                }
-            }
-            nv.utils.initSVG(container);
-
-            // Setup containers and skeleton of chart
-            var wrap = container.selectAll('.nv-wrap.nv-pie').data(data);
-            var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
-            var gEnter = wrapEnter.append('g');
-            var g = wrap.select('g');
-            var g_pie = gEnter.append('g').attr('class', 'nv-pie');
-            gEnter.append('g').attr('class', 'nv-pieLabels');
-
-            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-            g.select('.nv-pie').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
-            g.select('.nv-pieLabels').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
-
-            //
-            container.on('click', function(d,i) {
-                dispatch.chartClick({
-                    data: d,
-                    index: i,
-                    pos: d3.event,
-                    id: id
-                });
-            });
-
-            arcs = [];
-            arcsOver = [];
-            for (var i = 0; i < data[0].length; i++) {
-
-                var arc = d3.svg.arc().outerRadius(arcsRadiusOuter[i]);
-                var arcOver = d3.svg.arc().outerRadius(arcsRadiusOuter[i] + 5);
-
-                if (startAngle !== false) {
-                    arc.startAngle(startAngle);
-                    arcOver.startAngle(startAngle);
-                }
-                if (endAngle !== false) {
-                    arc.endAngle(endAngle);
-                    arcOver.endAngle(endAngle);
-                }
-                if (donut) {
-                    arc.innerRadius(arcsRadiusInner[i]);
-                    arcOver.innerRadius(arcsRadiusInner[i]);
-                }
-
-                if (arc.cornerRadius && cornerRadius) {
-                    arc.cornerRadius(cornerRadius);
-                    arcOver.cornerRadius(cornerRadius);
-                }
-
-                arcs.push(arc);
-                arcsOver.push(arcOver);
-            }
-
-            // Setup the Pie chart and choose the data element
-            var pie = d3.layout.pie()
-                .sort(null)
-                .value(function(d) { return d.disabled ? 0 : getY(d) });
-
-            // padAngle added in d3 3.5
-            if (pie.padAngle && padAngle) {
-                pie.padAngle(padAngle);
-            }
-
-            // if title is specified and donut, put it in the middle
-            if (donut && title) {
-                g_pie.append("text").attr('class', 'nv-pie-title');
-
-                wrap.select('.nv-pie-title')
-                    .style("text-anchor", "middle")
-                    .text(function (d) {
-                        return title;
-                    })
-                    .style("font-size", (Math.min(availableWidth, availableHeight)) * donutRatio * 2 / (title.length + 2) + "px")
-                    .attr("dy", "0.35em") // trick to vertically center text
-                    .attr('transform', function(d, i) {
-                        return 'translate(0, '+ titleOffset + ')';
-                    });
-            }
-
-            var slices = wrap.select('.nv-pie').selectAll('.nv-slice').data(pie);
-            var pieLabels = wrap.select('.nv-pieLabels').selectAll('.nv-label').data(pie);
-
-            slices.exit().remove();
-            pieLabels.exit().remove();
-
-            var ae = slices.enter().append('g');
-            ae.attr('class', 'nv-slice');
-            ae.on('mouseover', function(d, i) {
-                d3.select(this).classed('hover', true);
-                if (growOnHover) {
-                    d3.select(this).select("path").transition()
-                        .duration(70)
-                        .attr("d", arcsOver[i]);
-                }
-                dispatch.elementMouseover({
-                    data: d.data,
-                    index: i,
-                    color: d3.select(this).style("fill")
-                });
-            });
-            ae.on('mouseout', function(d, i) {
-                d3.select(this).classed('hover', false);
-                if (growOnHover) {
-                    d3.select(this).select("path").transition()
-                        .duration(50)
-                        .attr("d", arcs[i]);
-                }
-                dispatch.elementMouseout({data: d.data, index: i});
-            });
-            ae.on('mousemove', function(d, i) {
-                dispatch.elementMousemove({data: d.data, index: i});
-            });
-            ae.on('click', function(d, i) {
-                var element = this;
-                dispatch.elementClick({
-                    data: d.data,
-                    index: i,
-                    color: d3.select(this).style("fill"),
-                    event: d3.event,
-                    element: element
-                });
-            });
-            ae.on('dblclick', function(d, i) {
-                dispatch.elementDblClick({
-                    data: d.data,
-                    index: i,
-                    color: d3.select(this).style("fill")
-                });
-            });
-
-            slices.attr('fill', function(d,i) { return color(d.data, i); });
-            slices.attr('stroke', function(d,i) { return color(d.data, i); });
-
-            var paths = ae.append('path').each(function(d) {
-                this._current = d;
-            });
-
-            slices.select('path')
-                .transition()
-                .attr('d', function (d, i) { return arcs[i](d); })
-                .attrTween('d', arcTween);
-
-            if (showLabels) {
-                // This does the normal label
-                var labelsArc = [];
-                for (var i = 0; i < data[0].length; i++) {
-                    labelsArc.push(arcs[i]);
-
-                    if (labelsOutside) {
-                        if (donut) {
-                            labelsArc[i] = d3.svg.arc().outerRadius(arcs[i].outerRadius());
-                            if (startAngle !== false) labelsArc[i].startAngle(startAngle);
-                            if (endAngle !== false) labelsArc[i].endAngle(endAngle);
-                        }
-                    } else if (!donut) {
-                            labelsArc[i].innerRadius(0);
-                    }
-                }
-
-                pieLabels.enter().append("g").classed("nv-label",true).each(function(d,i) {
-                    var group = d3.select(this);
-
-                    group.attr('transform', function (d, i) {
-                        if (labelSunbeamLayout) {
-                            d.outerRadius = arcsRadiusOuter[i] + 10; // Set Outer Coordinate
-                            d.innerRadius = arcsRadiusOuter[i] + 15; // Set Inner Coordinate
-                            var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
-                            if ((d.startAngle + d.endAngle) / 2 < Math.PI) {
-                                rotateAngle -= 90;
-                            } else {
-                                rotateAngle += 90;
-                            }
-                            return 'translate(' + labelsArc[i].centroid(d) + ') rotate(' + rotateAngle + ')';
-                        } else {
-                            d.outerRadius = radius + 10; // Set Outer Coordinate
-                            d.innerRadius = radius + 15; // Set Inner Coordinate
-                            return 'translate(' + labelsArc[i].centroid(d) + ')'
-                        }
-                    });
-
-                    group.append('rect')
-                        .style('stroke', '#fff')
-                        .style('fill', '#fff')
-                        .attr("rx", 3)
-                        .attr("ry", 3);
-
-                    group.append('text')
-                        .style('text-anchor', labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle') //center the text on it's origin or begin/end if orthogonal aligned
-                        .style('fill', '#000')
-                });
-
-                var labelLocationHash = {};
-                var avgHeight = 14;
-                var avgWidth = 140;
-                var createHashKey = function(coordinates) {
-                    return Math.floor(coordinates[0]/avgWidth) * avgWidth + ',' + Math.floor(coordinates[1]/avgHeight) * avgHeight;
-                };
-                var getSlicePercentage = function(d) {
-                    return (d.endAngle - d.startAngle) / (2 * Math.PI);
-                };
-
-                pieLabels.watchTransition(renderWatch, 'pie labels').attr('transform', function (d, i) {
-                    if (labelSunbeamLayout) {
-                        d.outerRadius = arcsRadiusOuter[i] + 10; // Set Outer Coordinate
-                        d.innerRadius = arcsRadiusOuter[i] + 15; // Set Inner Coordinate
-                        var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
-                        if ((d.startAngle + d.endAngle) / 2 < Math.PI) {
-                            rotateAngle -= 90;
-                        } else {
-                            rotateAngle += 90;
-                        }
-                        return 'translate(' + labelsArc[i].centroid(d) + ') rotate(' + rotateAngle + ')';
-                    } else {
-                        d.outerRadius = radius + 10; // Set Outer Coordinate
-                        d.innerRadius = radius + 15; // Set Inner Coordinate
-
-                        /*
-                        Overlapping pie labels are not good. What this attempts to do is, prevent overlapping.
-                        Each label location is hashed, and if a hash collision occurs, we assume an overlap.
-                        Adjust the label's y-position to remove the overlap.
-                        */
-                        var center = labelsArc[i].centroid(d);
-                        var percent = getSlicePercentage(d);
-                        if (d.value && percent >= labelThreshold) {
-                            var hashKey = createHashKey(center);
-                            if (labelLocationHash[hashKey]) {
-                                center[1] -= avgHeight;
-                            }
-                            labelLocationHash[createHashKey(center)] = true;
-                        }
-                        return 'translate(' + center + ')'
-                    }
-                });
-
-                pieLabels.select(".nv-label text")
-                    .style('text-anchor', function(d,i) {
-                        //center the text on it's origin or begin/end if orthogonal aligned
-                        return labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle';
-                    })
-                    .text(function(d, i) {
-                        var percent = getSlicePercentage(d);
-                        var label = '';
-                        if (!d.value || percent < labelThreshold) return '';
-
-                        if(typeof labelType === 'function') {
-                            label = labelType(d, i, {
-                                'key': getX(d.data),
-                                'value': getY(d.data),
-                                'percent': valueFormat(percent)
-                            });
-                        } else {
-                            switch (labelType) {
-                                case 'key':
-                                    label = getX(d.data);
-                                    break;
-                                case 'value':
-                                    label = valueFormat(getY(d.data));
-                                    break;
-                                case 'percent':
-                                    label = d3.format('%')(percent);
-                                    break;
-                            }
-                        }
-                        return label;
-                    })
-                ;
-            }
-
-
-            // Computes the angle of an arc, converting from radians to degrees.
-            function angle(d) {
-                var a = (d.startAngle + d.endAngle) * 90 / Math.PI - 90;
-                return a > 90 ? a - 180 : a;
-            }
-
-            function arcTween(a, idx) {
-                a.endAngle = isNaN(a.endAngle) ? 0 : a.endAngle;
-                a.startAngle = isNaN(a.startAngle) ? 0 : a.startAngle;
-                if (!donut) a.innerRadius = 0;
-                var i = d3.interpolate(this._current, a);
-                this._current = i(0);
-                return function (t) {
-                    return arcs[idx](i(t));
-                };
-            }
-        });
-
-        renderWatch.renderEnd('pie immediate');
-        return chart;
-    }
-
-    //============================================================
-    // Expose Public Variables
-    //------------------------------------------------------------
-
-    chart.dispatch = dispatch;
-    chart.options = nv.utils.optionsFunc.bind(chart);
-
-    chart._options = Object.create({}, {
-        // simple options, just get/set the necessary values
-        arcsRadius: { get: function () { return arcsRadius; }, set: function (_) { arcsRadius = _; } },
-        width:      {get: function(){return width;}, set: function(_){width=_;}},
-        height:     {get: function(){return height;}, set: function(_){height=_;}},
-        showLabels: {get: function(){return showLabels;}, set: function(_){showLabels=_;}},
-        title:      {get: function(){return title;}, set: function(_){title=_;}},
-        titleOffset:    {get: function(){return titleOffset;}, set: function(_){titleOffset=_;}},
-        labelThreshold: {get: function(){return labelThreshold;}, set: function(_){labelThreshold=_;}},
-        valueFormat:    {get: function(){return valueFormat;}, set: function(_){valueFormat=_;}},
-        x:          {get: function(){return getX;}, set: function(_){getX=_;}},
-        id:         {get: function(){return id;}, set: function(_){id=_;}},
-        endAngle:   {get: function(){return endAngle;}, set: function(_){endAngle=_;}},
-        startAngle: {get: function(){return startAngle;}, set: function(_){startAngle=_;}},
-        padAngle:   {get: function(){return padAngle;}, set: function(_){padAngle=_;}},
-        cornerRadius: {get: function(){return cornerRadius;}, set: function(_){cornerRadius=_;}},
-        donutRatio:   {get: function(){return donutRatio;}, set: function(_){donutRatio=_;}},
-        labelsOutside: {get: function(){return labelsOutside;}, set: function(_){labelsOutside=_;}},
-        labelSunbeamLayout: {get: function(){return labelSunbeamLayout;}, set: function(_){labelSunbeamLayout=_;}},
-        donut:              {get: function(){return donut;}, set: function(_){donut=_;}},
-        growOnHover:        {get: function(){return growOnHover;}, set: function(_){growOnHover=_;}},
-
-        // depreciated after 1.7.1
-        pieLabelsOutside: {get: function(){return labelsOutside;}, set: function(_){
-            labelsOutside=_;
-            nv.deprecated('pieLabelsOutside', 'use labelsOutside instead');
-        }},
-        // depreciated after 1.7.1
-        donutLabelsOutside: {get: function(){return labelsOutside;}, set: function(_){
-            labelsOutside=_;
-            nv.deprecated('donutLabelsOutside', 'use labelsOutside instead');
-        }},
-        // deprecated after 1.7.1
-        labelFormat: {get: function(){ return valueFormat;}, set: function(_) {
-            valueFormat=_;
-            nv.deprecated('labelFormat','use valueFormat instead');
-        }},
-
-        // options that require extra logic in the setter
-        margin: {get: function(){return margin;}, set: function(_){
-            margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
-            margin.right  = typeof _.right  != 'undefined' ? _.right  : margin.right;
-            margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
-            margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
-        }},
-        y: {get: function(){return getY;}, set: function(_){
-            getY=d3.functor(_);
-        }},
-        color: {get: function(){return color;}, set: function(_){
-            color=nv.utils.getColor(_);
-        }},
-        labelType:          {get: function(){return labelType;}, set: function(_){
-            labelType= _ || 'key';
-        }}
-    });
-
-    nv.utils.initOptions(chart);
-    return chart;
-};
-
-nv.version = "1.8.2-dev";
-})();
\ No newline at end of file
diff --git a/addons/web/static/src/js/libs/nvd3.js b/addons/web/static/src/js/libs/nvd3.js
deleted file mode 100644
index eebee6c9459..00000000000
--- a/addons/web/static/src/js/libs/nvd3.js
+++ /dev/null
@@ -1,45 +0,0 @@
-odoo.define('web.nvd3.extensions', function () {
-'use strict';
-
-/**
- * The nvd3 library extensions and fixes should be done here to avoid patching
- * in place.
- */
-
-nv.dev = false;  // sets nvd3 library in production mode
-
-// monkey patch nvd3 to allow removing eventhandler on windowresize events
-// see https://github.com/novus/nvd3/pull/396 for more details
-
-// Adds a resize listener to the window.
-nv.utils.onWindowResize = function (fun) {
-    if (fun === null) return;
-    window.addEventListener('resize', fun);
-};
-
-// Backwards compatibility with current API.
-nv.utils.windowResize = nv.utils.onWindowResize;
-
-// Removes a resize listener from the window.
-nv.utils.offWindowResize = function (fun) {
-    if (fun === null) return;
-    window.removeEventListener('resize', fun);
-};
-
-// monkey patch nvd3 to prevent crashes when user changes view and nvd3
-// tries to remove tooltips after 500 ms...  seriously nvd3, what were you
-// thinking?
-nv.tooltip.cleanup = function () {
-    $('.nvtooltip').remove();
-};
-
-// monkey patch nvd3 to prevent it to display a tooltip (position: absolute)
-// with a negative `top`; with this patch the highest tooltip's position is
-// still in the graph
-var originalCalcTooltipPosition = nv.tooltip.calcTooltipPosition;
-nv.tooltip.calcTooltipPosition = function () {
-    var container = originalCalcTooltipPosition.apply(this, arguments);
-    container.style.top = container.style.top.split('px')[0] < 0 ? 0 + 'px' : container.style.top;
-    return container;
-};
-});
diff --git a/addons/web/views/webclient_templates.xml b/addons/web/views/webclient_templates.xml
index d14f295f2bc..92281ab8567 100644
--- a/addons/web/views/webclient_templates.xml
+++ b/addons/web/views/webclient_templates.xml
@@ -460,10 +460,6 @@
         <!-- add lazy-loaded libs to make tests synchronous -->
         <link rel="stylesheet" href="/web/static/lib/fullcalendar/css/fullcalendar.css"/>
         <script type="text/javascript" src="/web/static/lib/fullcalendar/js/fullcalendar.js"></script>
-        <link rel="stylesheet" type="text/css" href="/web/static/lib/nvd3/nv.d3.css"/>
-        <script type="text/javascript" src="/web/static/lib/nvd3/d3.v3.js"></script>
-        <script type="text/javascript" src="/web/static/lib/nvd3/nv.d3.js"></script>
-        <script type="text/javascript" src="/web/static/src/js/libs/nvd3.js"></script>
         <script type="text/javascript" src="/web/static/lib/ace/ace.js"></script>
         <script type="text/javascript" src="/web/static/lib/ace/javascript_highlight_rules.js"></script>
         <script type="text/javascript" src="/web/static/lib/ace/mode-python.js"></script>