undo

by Nate Hekman on October 22, 2007

We’ve had undo & redo in our products for a couple of versions now, but version 7 has taken it up a notch.  Besides adding undo into Contour (previously it was only in Define), we’ve added an undo description and undo within most dialog boxes.

Undo Description

Every action you perform now has a “description” that shows up under the Undo command so you can see what it is you’re about to undo (or redo).  For example, here I’ve sketched a line and then drawn a region.

Undoing two actions

Undo Several Levels

If you just click the Undo button you’ll undo the last action.  But you can also click any item in the list to undo everything up to (and including) that item.  So in the example above if I clicked “Sketch Line” I would undo my new region and my new line in one fell swoop.

Undo in Dialogs

You’ll notice most dialog boxes have their own Undo and Redo buttons down in the lower-left corner.  These let you undo only the changes you’ve made in this dialog box.

undodialog.gif

After you close the dialog box, all those changes get wrapped up into one undo item in the global undo list.

Other Undo Tips

  • When you save a file, you can still undo to put things back how they were before saving.  But if you close the file and re-open it, you can’t undo back to the way things were before closing it.
  • If you make a change in Define and then switch to Contour, the undo description will say “[Define]” after it to let you know you’ll actually be undoing something in a different view.
  • By default you have ten levels of undo, which means you can only undo ten changes back.  If you’ve made eleven changes, that first one can not be undone.  If you have a computer with lots of memory, you can increase the number of levels using the Tools Options command.  Set the “Undo/Redo Levels” value to a higher number, or set it to 0 (zero) to tell GeoStudio never to stop keeping track of your changes.

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