PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ ST_DelaunayTriangles()

Datum ST_DelaunayTriangles ( PG_FUNCTION_ARGS  )

Definition at line 2233 of file postgis/lwgeom_geos.c.

2234{
2236 GSERIALIZED *geom;
2237 LWGEOM *lwgeom_in, *lwgeom_out;
2238 double tolerance = 0.0;
2239 int flags = 0;
2240
2241 geom = PG_GETARG_GSERIALIZED_P(0);
2242 tolerance = PG_GETARG_FLOAT8(1);
2243 flags = PG_GETARG_INT32(2);
2244
2245 lwgeom_in = lwgeom_from_gserialized(geom);
2246 lwgeom_out = lwgeom_delaunay_triangulation(lwgeom_in, tolerance, flags);
2247 lwgeom_free(lwgeom_in) ;
2248
2249 if ( ! lwgeom_out )
2250 {
2251 PG_FREE_IF_COPY(geom, 0);
2252 PG_RETURN_NULL();
2253 }
2254
2255 result = geometry_serialize(lwgeom_out) ;
2256 lwgeom_free(lwgeom_out) ;
2257
2258 PG_FREE_IF_COPY(geom, 0);
2259 PG_RETURN_POINTER(result);
2260}
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition cu_print.c:267
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
LWGEOM * lwgeom_delaunay_triangulation(const LWGEOM *geom, double tolerance, int32_t edgeOnly)
Take vertices of a geometry and build a delaunay triangulation on them.

References lwgeom_delaunay_triangulation(), lwgeom_free(), lwgeom_from_gserialized(), and result.

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