
	Using SFCGAL Advanced 2D/3D functions
         
          TODO Introduction part
        
         
          TODO Install part
        

	
COMMENT ON FUNCTION ST_Extrude(geometry, float, float, float) IS 'args: geom, x, y, z - Extrude a surface to a related volume';
		


	
COMMENT ON FUNCTION ST_StraightSkeleton(geometry) IS 'args: geom - Compute a straight skeleton from a geometry';
		


	
COMMENT ON FUNCTION ST_IsPlanar(geometry) IS 'args: geom - Check if a surface is or not planar';
		


	
COMMENT ON FUNCTION ST_Orientation(geometry) IS 'args: geom - Determine surface orientation';
		


	
COMMENT ON FUNCTION ST_ForceLHR(geometry) IS 'args: geom - Force LHR orientation';
		

	
COMMENT ON FUNCTION ST_Minkowski(geometry, geometry) IS 'args: geom1, geom2 - Perform Minkowski sum';
		


	
COMMENT ON FUNCTION ST_Tesselate(geometry) IS 'args: geom - Perform surface Tesselation';
		

  