PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ 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.
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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