- Grob *common = me->get_bound(LEFT)->common_refpoint (me->get_bound (RIGHT),
- X_AXIS);
-
- Interval rext = me->get_bound (RIGHT)->extent (common, X_AXIS);
-
-
- Real w =(rext.is_empty ()
- ? me->get_bound (RIGHT)->relative_coordinate (common, X_AXIS)
- : rext[RIGHT])
- - me->get_bound (LEFT)->relative_coordinate (common, X_AXIS);