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+*********************************
+Postgisify an exisiting database
+*********************************
+
+If you want to install the GeoEngine on an existing database you have two options.
+
+If you are using a PostgreSQL super user it should work out of the box.
+If you are using a standard user you have to connect to your database and run: ::
+
+  CREATE EXTENSION postgis
+  CREATE EXTENSION postgis_topology
+
+In order to test if the installation is sucessfull log into you database and::
+
+  SELECT * from GEOMETRY_COLUMNS;
+  SELECT * from spatial_ref_sys;