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Saturday, July 29, 2017

AutoCAD Tip of the Day – OOPS, give it back


I’m sure that anybody who has used AutoCAD for any amount of time has fallen in love with the UNDO command.  If only life had an UNDO button!

If you haven’t fallen in love with it, it’s probably for one of the following reasons:

  1. You never make a mistake. (hello Mr./Ms. Perfect)
  2. You don’t know it exist.

If you are in the 2nd group, I have good news and bad news.  The good news is that I will be posting a tip on all of the fabulous aspects of the UNDO command in the near future.  The bad news is, it’s not today.

Today I want to talk about the UNDO command’s often neglected cousin, the OOPS command.  I’m sure Autodesk programmers worked late into the night trying to come up with the perfect name for this command before deciding on this highly technical name.

There are two primary ways I use the OOPS command.  The first one is when I want to retrieve the last thing I erased.  Now, you may be thinking, “that’s what the UNDO command is for”.  Well… not all of the time.  The UNDO command will undo the last command.  Sometimes the last object you’ve erased was several commands back and you want to keep all of the stuff you’ve done in between.

The 2nd way to use it is when BLOCKing objects.  In older versions, there was no way to retain an object that was being blocked.  So after creating the block, I would issue the OOPS command and it would magically reappear. This trick still works if you forget to tell it to retain the objects and you want to get them back.

A few things to note about the OOPS command is that

  1. It doesn’t give you any feedback.   The object just reappears.  This can be confusing if the object wasn’t in the current view.
  2. You can only OOPS one level backwards.
  3. You cannot use OOPS to restore an object that was on a layer that’s been PURGED.

There you have it.  Go forth and OOPS and let the UNDO command know that it’s not the only game in town.  Now you can wish life had an OOPS button also.

Mike

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Comments

5 Responses to “AutoCAD Tip of the Day – OOPS, give it back”
  1. Darshan says:

    this is very good tip

    i dont know about it

    it is very usful to every one

    thanks for the tip

  2. Kerry says:

    I just read your tip on the OOPS command.
    How is that different from the REDO command which basically undoes the last UNDO command?

  3. Kerry,
    The OOPS command allows you to basically “undo” a previous erase (or block without retaining objects), but differs from the Undo command if you have executed other commands since the erase command was given. Undo and Redo, steps back to the previous command. So if you erase an object, then copy some objects (that you wish to keep), the OOPS command would bring back the deleted object, but keep the copied objects. Give it a try and you should see the difference.
    Mike

  4. Well written blog. Keep us posting.

  5. smokers teeth says:

    I use the oops command in what others may consider a little dangerous!
    One example, is instead of freezing or offing a layer or two, I will instead erase objects
    I don’t want to include with a trim + crossing routine.
    I am wanting to trim many lines, circles, etc with a crossing to get the task done quickly.
    THEN, I OOPS back the previously erased objects.

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