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

Definition at line 662 of file postgis/lwgeom_sfcgal.c.

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

663 {
664  GSERIALIZED *input0, *input1, *output;
665  sfcgal_geometry_t *geom0, *geom1;
666  sfcgal_geometry_t *result;
667  srid_t srid;
668 
670 
671  input0 = PG_GETARG_GSERIALIZED_P(0);
672  srid = gserialized_get_srid(input0);
673  input1 = PG_GETARG_GSERIALIZED_P(1);
674  geom0 = POSTGIS2SFCGALGeometry(input0);
675  PG_FREE_IF_COPY(input0, 0);
676  geom1 = POSTGIS2SFCGALGeometry(input1);
677  PG_FREE_IF_COPY(input1, 1);
678 
679  result = sfcgal_geometry_minkowski_sum(geom0, geom1);
680  sfcgal_geometry_delete(geom0);
681  sfcgal_geometry_delete(geom1);
682 
683  output = SFCGALGeometry2POSTGIS(result, 0, srid);
684  sfcgal_geometry_delete(result);
685 
686  PG_RETURN_POINTER(output);
687 }
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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