PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ ST_ConstrainedDelaunayTriangles()

Datum ST_ConstrainedDelaunayTriangles ( PG_FUNCTION_ARGS  )

Definition at line 233 of file postgis/lwgeom_sfcgal.c.

234 {
235  GSERIALIZED *input, *output;
236  sfcgal_geometry_t *geom;
237  sfcgal_geometry_t *result;
238  srid_t srid;
239 
241 
242  input = PG_GETARG_GSERIALIZED_P(0);
243  srid = gserialized_get_srid(input);
244  geom = POSTGIS2SFCGALGeometry(input);
245  PG_FREE_IF_COPY(input, 0);
246 
247  result = sfcgal_geometry_triangulate_2dz(geom);
248  sfcgal_geometry_delete(geom);
249 
250  output = SFCGALGeometry2POSTGIS(result, 0, srid);
251  sfcgal_geometry_delete(result);
252 
253  PG_RETURN_POINTER(output);
254 }
int32_t gserialized_get_srid(const GSERIALIZED *g)
Extract the SRID from the serialized form (it is packed into three bytes so this is a handy function)...
Definition: gserialized.c:126
sfcgal_geometry_t * POSTGIS2SFCGALGeometry(GSERIALIZED *pglwgeom)
void sfcgal_postgis_init(void)
GSERIALIZED * SFCGALGeometry2POSTGIS(const sfcgal_geometry_t *geom, int force3D, int32_t SRID)

References gserialized_get_srid(), POSTGIS2SFCGALGeometry(), sfcgal_postgis_init(), and SFCGALGeometry2POSTGIS().

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