================= Prerequisites ================= *************** Python *************** geojson: :: pip install geojson Shapely: :: pip install Shapely==1.2.13 For Mac user: do not forget the following directive: :: ARCHFLAGS="-arch i386 -arch x86_64" *************** PostGIS 2.0 *************** Please refer to `PostGIS installation directive `_ or to your OS package system.