PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ LWGEOM_area_polygon()

Datum LWGEOM_area_polygon ( PG_FUNCTION_ARGS  )

Definition at line 255 of file lwgeom_functions_basic.c.

References area(), dumpnode::geom, lwgeom_area(), lwgeom_free(), lwgeom_from_gserialized(), LWGEOM_length2d_linestring(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_nrings().

256 {
257  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
258  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
259  double area = 0.0;
260 
261  POSTGIS_DEBUG(2, "in LWGEOM_area_polygon");
262 
263  area = lwgeom_area(lwgeom);
264 
265  lwgeom_free(lwgeom);
266  PG_FREE_IF_COPY(geom, 0);
267 
268  PG_RETURN_FLOAT8(area);
269 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Datum area(PG_FUNCTION_ARGS)
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1050
LWGEOM * geom
double lwgeom_area(const LWGEOM *geom)
Definition: lwgeom.c:1579
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