PostGIS  2.5.0beta1dev-r@@SVN_REVISION@@

◆ geos_intersection()

Datum geos_intersection ( PG_FUNCTION_ARGS  )

Definition at line 1188 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().

1189 {
1190  GSERIALIZED *geom1;
1191  GSERIALIZED *geom2;
1192  GSERIALIZED *result;
1193  LWGEOM *lwgeom1, *lwgeom2, *lwresult ;
1194 
1195  geom1 = PG_GETARG_GSERIALIZED_P(0);
1196  geom2 = PG_GETARG_GSERIALIZED_P(1);
1197 
1198  lwgeom1 = lwgeom_from_gserialized(geom1) ;
1199  lwgeom2 = lwgeom_from_gserialized(geom2) ;
1200 
1201  lwresult = lwgeom_intersection(lwgeom1, lwgeom2) ;
1202  result = geometry_serialize(lwresult) ;
1203 
1204  lwgeom_free(lwgeom1) ;
1205  lwgeom_free(lwgeom2) ;
1206  lwgeom_free(lwresult) ;
1207 
1208  PG_FREE_IF_COPY(geom1, 0);
1209  PG_FREE_IF_COPY(geom2, 1);
1210 
1211  PG_RETURN_POINTER(result);
1212 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
LWGEOM * lwgeom_intersection(const LWGEOM *geom1, const LWGEOM *geom2)
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
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