ST_Snap()

Datum ST_Snap

(

PG_FUNCTION_ARGS

)

Definition at line 3132 of file postgis/lwgeom_geos.c.

{
        GSERIALIZED *geom1, *geom2, *result;
        LWGEOM *lwgeom1, *lwgeom2, *lwresult;
        double tolerance;
 
        geom1 = PG_GETARG_GSERIALIZED_P(0);
        geom2 = PG_GETARG_GSERIALIZED_P(1);
        tolerance = PG_GETARG_FLOAT8(2);
 
        lwgeom1 = lwgeom_from_gserialized(geom1);
        lwgeom2 = lwgeom_from_gserialized(geom2);
 
        lwresult = lwgeom_snap(lwgeom1, lwgeom2, tolerance);
        lwgeom_free(lwgeom1);
        lwgeom_free(lwgeom2);
        PG_FREE_IF_COPY(geom1, 0);
        PG_FREE_IF_COPY(geom2, 1);
 
        result = geometry_serialize(lwresult);
        lwgeom_free(lwresult);
 
        PG_RETURN_POINTER(result);
}

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

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