factory.addFunction(new GeometryOverlaps());
factory.addFunction(new GeometryIntersects());
factory.addFunction(new GeometryIsClosed());
factory.addFunction(new GeometryIsValid());
factory.addFunction(new GeometryIsSimple());
factory.addFunction(new GeometryArea());
factory.addFunction(new GeometryDistance());
factory.addFunction(new GeometryIsWithinDistance());
factory.addFunction(new GeometryLength());