Stbox_area Stbox_hast Stbox_hasx Stbox_hasz Stbox_isgeodetic Stbox_perimeter Stbox_tmax Stbox_tmax_inc Stbox_tmin Stbox_tmin_inc Stbox_volume Stbox_xmax Stbox_xmin Stbox_ymax Stbox_ymin Stbox_zmax Stbox_zmin

Stbox_hasz() Datum Stbox_hasz ( PG_FUNCTION_ARGS  ) Return true if a spatiotemporal box has Z dimension @sqlfn hasZ()