LWGEOM_to_BOX2DF()

Datum LWGEOM_to_BOX2DF

(

PG_FUNCTION_ARGS

)

Definition at line 149 of file lwgeom_box.c.

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        GBOX gbox;
 
        if ( gserialized_get_gbox_p(geom, &gbox) == LW_FAILURE )
                PG_RETURN_NULL();
 
        /* Strip out higher dimensions */
        FLAGS_SET_Z(gbox.flags, 0);
        FLAGS_SET_M(gbox.flags, 0);
 
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_POINTER(gbox_copy(&gbox));
}

References GBOX::flags, FLAGS_SET_M, FLAGS_SET_Z, gbox_copy(), gserialized_get_gbox_p(), and LW_FAILURE.

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