PostGIS  2.5.2dev-r@@SVN_REVISION@@

◆ LWGEOM_force_clockwise_poly()

Datum LWGEOM_force_clockwise_poly ( PG_FUNCTION_ARGS  )

Definition at line 1900 of file lwgeom_functions_basic.c.

References geometry_serialize(), lwgeom_force_clockwise(), lwgeom_free(), lwgeom_from_gserialized(), LWGEOM_noop(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_reverse().

1901 {
1902  GSERIALIZED *ingeom, *outgeom;
1903  LWGEOM *lwgeom;
1904 
1905  POSTGIS_DEBUG(2, "LWGEOM_force_clockwise_poly called");
1906 
1907  ingeom = PG_GETARG_GSERIALIZED_P_COPY(0);
1908 
1909  lwgeom = lwgeom_from_gserialized(ingeom);
1910  lwgeom_force_clockwise(lwgeom);
1911 
1912  outgeom = geometry_serialize(lwgeom);
1913 
1914  lwgeom_free(lwgeom);
1915  PG_FREE_IF_COPY(ingeom, 0);
1916  PG_RETURN_POINTER(outgeom);
1917 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
void lwgeom_force_clockwise(LWGEOM *lwgeom)
Force Right-hand-rule on LWGEOM polygons.
Definition: lwgeom.c:37
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
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