Add back in this function removed in de0855ba4878cbd6babdc0046b9abeef0327c946 and add a new "left-to-right" mode. This is of interest in computing zooms of limit sets and cannot be done in the "fast" way so it is worth having the function back even though it is slow at "normal" limit sets.
Add back in this function removed in de0855ba4878cbd6babdc0046b9abeef0327c946 and add a new "left-to-right" mode. This is of interest in computing zooms of limit sets and cannot be done in the "fast" way so it is worth having the function back even though it is slow at "normal" limit sets.