PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ LWGEOM_force_clockwise_poly()

Datum LWGEOM_force_clockwise_poly ( PG_FUNCTION_ARGS  )

Definition at line 1889 of file lwgeom_functions_basic.c.

1890 {
1891  GSERIALIZED *ingeom, *outgeom;
1892  LWGEOM *lwgeom;
1893 
1894  POSTGIS_DEBUG(2, "LWGEOM_force_clockwise_poly called");
1895 
1896  ingeom = PG_GETARG_GSERIALIZED_P_COPY(0);
1897 
1898  lwgeom = lwgeom_from_gserialized(ingeom);
1899  lwgeom_force_clockwise(lwgeom);
1900 
1901  outgeom = geometry_serialize(lwgeom);
1902 
1903  lwgeom_free(lwgeom);
1904  PG_FREE_IF_COPY(ingeom, 0);
1905  PG_RETURN_POINTER(outgeom);
1906 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
void lwgeom_force_clockwise(LWGEOM *lwgeom)
Force Right-hand-rule on LWGEOM polygons.
Definition: lwgeom.c:37
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)

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

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