PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ ST_Intersection()

Datum ST_Intersection ( PG_FUNCTION_ARGS  )

Definition at line 1438 of file postgis/lwgeom_geos.c.

1439 {
1440  GSERIALIZED *geom1;
1441  GSERIALIZED *geom2;
1443  LWGEOM *lwgeom1, *lwgeom2, *lwresult;
1444  double prec = -1;
1445 
1446  geom1 = PG_GETARG_GSERIALIZED_P(0);
1447  geom2 = PG_GETARG_GSERIALIZED_P(1);
1448  if (PG_NARGS() > 2 && ! PG_ARGISNULL(2))
1449  prec = PG_GETARG_FLOAT8(2);
1450 
1451  lwgeom1 = lwgeom_from_gserialized(geom1);
1452  lwgeom2 = lwgeom_from_gserialized(geom2);
1453 
1454  lwresult = lwgeom_intersection_prec(lwgeom1, lwgeom2, prec);
1455  result = geometry_serialize(lwresult);
1456 
1457  lwgeom_free(lwgeom1);
1458  lwgeom_free(lwgeom2);
1459  lwgeom_free(lwresult);
1460 
1461  PG_FREE_IF_COPY(geom1, 0);
1462  PG_FREE_IF_COPY(geom2, 1);
1463 
1464  PG_RETURN_POINTER(result);
1465 }
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.
Definition: gserialized.c:239
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
LWGEOM * lwgeom_intersection_prec(const LWGEOM *geom1, const LWGEOM *geom2, double gridSize)

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

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