above_stbox_stbox after_stbox_stbox after_tbox_tbox back_stbox_stbox before_stbox_stbox before_tbox_tbox below_stbox_stbox front_stbox_stbox left_stbox_stbox left_tbox_tbox overabove_stbox_stbox overafter_stbox_stbox overafter_tbox_tbox overback_stbox_stbox overbefore_stbox_stbox overbefore_tbox_tbox overbelow_stbox_stbox overfront_stbox_stbox overleft_stbox_stbox overleft_tbox_tbox overright_stbox_stbox overright_tbox_tbox right_stbox_stbox right_tbox_tbox

front_stbox_stbox() bool front_stbox_stbox ( const STBox *  box1, const STBox *  box2  ) Return true if the first spatiotemporal box is strictly in front of the second one. SQL Operator: <</