At first glance, the and the
might appear to be
performing the same function. In practice, the two functions are closely
related, but there are important distinctions between the two:
Use Undo to correct any mistakes you make while working on the currentdesign iteration. Use Go Back
to revert to a previous design iteration. The Go Back
function is normally used as part of the optimization process, rather than to
correct drawing or editing errors.
Undo is only available for the three most recent changes to your
, but you can Go
Back to any previous design iteration created during the
current .
Because Undo only applies to the current design iteration, the Undo
function is disabled whenever you Go Back to a previous iteration. Undo is
enabled again as soon as you make any new changes to the structural model.