PostGIS  3.0.0dev-r@@SVN_REVISION@@

◆ geos_intersection()

Datum geos_intersection ( PG_FUNCTION_ARGS  )

Definition at line 1187 of file postgis/lwgeom_geos.c.

References geometry_serialize(), geos_difference(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_intersection(), and PG_FUNCTION_INFO_V1().

Referenced by ST_OffsetCurve().

1188 {
1189  GSERIALIZED *geom1;
1190  GSERIALIZED *geom2;
1191  GSERIALIZED *result;
1192  LWGEOM *lwgeom1, *lwgeom2, *lwresult ;
1193 
1194  geom1 = PG_GETARG_GSERIALIZED_P(0);
1195  geom2 = PG_GETARG_GSERIALIZED_P(1);
1196 
1197  lwgeom1 = lwgeom_from_gserialized(geom1) ;
1198  lwgeom2 = lwgeom_from_gserialized(geom2) ;
1199 
1200  lwresult = lwgeom_intersection(lwgeom1, lwgeom2) ;
1201  result = geometry_serialize(lwresult) ;
1202 
1203  lwgeom_free(lwgeom1) ;
1204  lwgeom_free(lwgeom2) ;
1205  lwgeom_free(lwresult) ;
1206 
1207  PG_FREE_IF_COPY(geom1, 0);
1208  PG_FREE_IF_COPY(geom2, 1);
1209 
1210  PG_RETURN_POINTER(result);
1211 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1128
LWGEOM * lwgeom_intersection(const LWGEOM *geom1, const LWGEOM *geom2)
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
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