option
allows you to undo changes to drawing tools, queries, flow lines etc.
Any number of changes can be reversed with Undo,
starting with the most recent change and progressing backwards.Phase2 Interpret > General Features
In the Phase2 Interpret program, Undo / Redo allows you to undo or redo changes to drawing tools, queries and other options such as iso-lines and flow lines. Undo and Redo are available in the Edit menu and as toolbar buttons.
From the Edit menu, only 1 action can be undone / redone at a time.
From the toolbar, if you select the drop-down arrow beside the Undo or Redo buttons, a list of all changes will appear, from which you can select multiple (sequential) actions to undo or redo.
Undo
The Undo option
allows you to undo changes to drawing tools, queries, flow lines etc.
Any number of changes can be reversed with Undo,
starting with the most recent change and progressing backwards.
Redo
The Redo 
option
allows you to restore changes that you have undone
with the Undo option. Redo
will restore each use of the Undo
option, starting with the most recent Undo
and progressing backwards. Redo
is only enabled if at least one Undo
action has been performed.