It is possible to edit a grouping of a transport arcs but it can make the net inconsistent (only one arc is edited, the other one keeps the old grouping). Perhaps editing of grouping should be completely disallowed?
It is possible to edit a grouping of a transport arcs but it can make the net inconsistent (only one arc is edited, the other one
keeps the old grouping). Perhaps editing of grouping should be completely disallowed?