ST_MakeEnvelope()

Datum ST_MakeEnvelope

(

PG_FUNCTION_ARGS

)

Definition at line 2059 of file lwgeom_functions_basic.c.

References geometry_serialize(), lwpoly_as_lwgeom(), lwpoly_construct_envelope(), lwpoly_free(), PG_FUNCTION_INFO_V1(), SRID_UNKNOWN, and ST_IsCollection().

Referenced by LWGEOM_same().

{
        LWPOLY *poly;
        GSERIALIZED *result;
        double x1, y1, x2, y2;
        int srid = SRID_UNKNOWN;

        POSTGIS_DEBUG(2, "ST_MakeEnvelope called");

        x1 = PG_GETARG_FLOAT8(0);
        y1 = PG_GETARG_FLOAT8(1);
        x2 = PG_GETARG_FLOAT8(2);
        y2 = PG_GETARG_FLOAT8(3);
        if ( PG_NARGS() > 4 ) {
                srid = PG_GETARG_INT32(4);
        }

        poly = lwpoly_construct_envelope(srid, x1, y1, x2, y2);

        result = geometry_serialize(lwpoly_as_lwgeom(poly));
        lwpoly_free(poly);

        PG_RETURN_POINTER(result);
}

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