geos_intersection()

Datum geos_intersection

(

PG_FUNCTION_ARGS

)

Definition at line 1190 of file postgis/lwgeom_geos.c.

{
        GSERIALIZED *geom1;
        GSERIALIZED *geom2;
        GSERIALIZED *result;
        LWGEOM *lwgeom1, *lwgeom2, *lwresult ;
 
        geom1 = PG_GETARG_GSERIALIZED_P(0);
        geom2 = PG_GETARG_GSERIALIZED_P(1);
 
        lwgeom1 = lwgeom_from_gserialized(geom1) ;
        lwgeom2 = lwgeom_from_gserialized(geom2) ;
 
        lwresult = lwgeom_intersection(lwgeom1, lwgeom2) ;
        result = geometry_serialize(lwresult) ;
 
        lwgeom_free(lwgeom1) ;
        lwgeom_free(lwgeom2) ;
        lwgeom_free(lwresult) ;
 
        PG_FREE_IF_COPY(geom1, 0);
        PG_FREE_IF_COPY(geom2, 1);
 
        PG_RETURN_POINTER(result);
}

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

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