--------------------------------------------------------------------------- -- -- PostGIS - SFCGAL functions -- Copyright 2012-2013 Oslandia -- -- This is free software; you can redistribute and/or modify it under -- the terms of the GNU General Public Licence. See the COPYING file. -- --------------------------------------------------------------------------- -- -- New SFCGAL functions (meaning prototype not already provided by GEOS) -- -- INSTALL VERSION: '2.5.2' CREATE OR REPLACE FUNCTION postgis_sfcgal_scripts_installed() RETURNS text AS $$ SELECT '2.5.2'::text || ' r' || 17328::text AS version $$ LANGUAGE 'sql' IMMUTABLE; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION postgis_sfcgal_version() RETURNS text AS '$libdir/postgis-2.5' LANGUAGE 'c' IMMUTABLE; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_3DIntersection(geom1 geometry, geom2 geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_intersection3D' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2 CREATE OR REPLACE FUNCTION ST_3DDifference(geom1 geometry, geom2 geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_difference3D' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2 CREATE OR REPLACE FUNCTION ST_3DUnion(geom1 geometry, geom2 geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_union3D' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_Tesselate(geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_tesselate' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_3DArea(geometry) RETURNS FLOAT8 AS '$libdir/postgis-2.5','sfcgal_area3D' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_Extrude(geometry, float8, float8, float8) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_extrude' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_ForceLHR(geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_force_lhr' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_Orientation(geometry) RETURNS INT4 AS '$libdir/postgis-2.5','sfcgal_orientation' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_MinkowskiSum(geometry, geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_minkowski_sum' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.1.0 CREATE OR REPLACE FUNCTION ST_StraightSkeleton(geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_straight_skeleton' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2.0 CREATE OR REPLACE FUNCTION ST_ApproximateMedialAxis(geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_approximate_medial_axis' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2.0 CREATE OR REPLACE FUNCTION ST_IsPlanar(geometry) RETURNS boolean AS '$libdir/postgis-2.5','sfcgal_is_planar' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2 CREATE OR REPLACE FUNCTION ST_Volume(geometry) RETURNS FLOAT8 AS '$libdir/postgis-2.5','sfcgal_volume' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2 CREATE OR REPLACE FUNCTION ST_MakeSolid(geometry) RETURNS geometry AS '$libdir/postgis-2.5','sfcgal_make_solid' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; -- Availability: 2.2 CREATE OR REPLACE FUNCTION ST_IsSolid(geometry) RETURNS boolean AS '$libdir/postgis-2.5','sfcgal_is_solid' LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE COST 100; COMMENT ON FUNCTION postgis_sfcgal_version() IS 'Returns the version of SFCGAL in use'; 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_ApproximateMedialAxis(geometry) IS 'args: geom - Compute the approximate medial axis of an areal 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_MinkowskiSum(geometry, geometry) IS 'args: geom1, geom2 - Performs Minkowski sum'; COMMENT ON FUNCTION ST_3DIntersection(geometry, geometry) IS 'args: geom1, geom2 - Perform 3D intersection'; COMMENT ON FUNCTION ST_3DDifference(geometry, geometry) IS 'args: geom1, geom2 - Perform 3D difference'; COMMENT ON FUNCTION ST_3DUnion(geometry, geometry) IS 'args: geom1, geom2 - Perform 3D union'; COMMENT ON FUNCTION ST_3DArea(geometry) IS 'args: geom1 - Computes area of 3D surface geometries. Will return 0 for solids.'; COMMENT ON FUNCTION ST_Tesselate(geometry) IS 'args: geom - Perform surface Tesselation of a polygon or polyhedralsurface and returns as a TIN or collection of TINS'; COMMENT ON FUNCTION ST_Volume(geometry) IS 'args: geom1 - Computes the volume of a 3D solid. If applied to surface (even closed) geometries will return 0.'; COMMENT ON FUNCTION ST_MakeSolid(geometry) IS 'args: geom1 - Cast the geometry into a solid. No check is performed. To obtain a valid solid, the input geometry must be a closed Polyhedral Surface or a closed TIN.'; COMMENT ON FUNCTION ST_IsSolid(geometry) IS 'args: geom1 - Test if the geometry is a solid. No validity check is performed.';