PostGIS  2.5.0dev-r@@SVN_REVISION@@
Datum sfcgal_intersection3D ( PG_FUNCTION_ARGS  )

Definition at line 500 of file postgis/lwgeom_sfcgal.c.

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

501 {
502  GSERIALIZED *input0, *input1, *output;
503  sfcgal_geometry_t *geom0, *geom1;
504  sfcgal_geometry_t *result;
505  srid_t srid;
506 
508 
509  input0 = PG_GETARG_GSERIALIZED_P(0);
510  srid = gserialized_get_srid(input0);
511  input1 = PG_GETARG_GSERIALIZED_P(1);
512  geom0 = POSTGIS2SFCGALGeometry(input0);
513  PG_FREE_IF_COPY(input0, 0);
514  geom1 = POSTGIS2SFCGALGeometry(input1);
515  PG_FREE_IF_COPY(input1, 1);
516 
517  result = sfcgal_geometry_intersection_3d(geom0, geom1);
518  sfcgal_geometry_delete(geom0);
519  sfcgal_geometry_delete(geom1);
520 
521  output = SFCGALGeometry2POSTGIS(result, 0, srid);
522  sfcgal_geometry_delete(result);
523 
524  PG_RETURN_POINTER(output);
525 }
sfcgal_geometry_t * POSTGIS2SFCGALGeometry(GSERIALIZED *pglwgeom)
GSERIALIZED * SFCGALGeometry2POSTGIS(const sfcgal_geometry_t *geom, int force3D, int SRID)
void sfcgal_postgis_init(void)
int32_t gserialized_get_srid(const GSERIALIZED *s)
Extract the SRID from the serialized form (it is packed into three bytes so this is a handy function)...
Definition: g_serialized.c:99

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