PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ sfcgal_difference3D()

Datum sfcgal_difference3D ( PG_FUNCTION_ARGS  )

Definition at line 357 of file postgis/lwgeom_sfcgal.c.

358 {
359  GSERIALIZED *input0, *input1, *output;
360  sfcgal_geometry_t *geom0, *geom1;
361  sfcgal_geometry_t *result;
362  srid_t srid;
363 
365 
366  input0 = (GSERIALIZED *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
367  srid = gserialized_get_srid(input0);
368  input1 = (GSERIALIZED *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
369  geom0 = POSTGIS2SFCGALGeometry(input0);
370  PG_FREE_IF_COPY(input0, 0);
371  geom1 = POSTGIS2SFCGALGeometry(input1);
372  PG_FREE_IF_COPY(input1, 1);
373 
374  result = sfcgal_geometry_difference_3d(geom0, geom1);
375  sfcgal_geometry_delete(geom0);
376  sfcgal_geometry_delete(geom1);
377 
378  output = SFCGALGeometry2POSTGIS(result, 0, srid);
379  sfcgal_geometry_delete(result);
380 
381  PG_RETURN_POINTER(output);
382 }
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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