Astah User's Guide

Gap Expander / Remover

With a drag-operation, you can move all the model elements all once easily.
This is extremely useful when you want to make space to insert models and also to clean up the diagram when it's done.
This gap expander/remover tools is available all the diagrams except Mind Maps.



Gap Expander

Let's say you want to insert a new message above the message in red.
Gap-expander

  1. Chose [Gap Expander] on the tool palatte.
    Gap-expander
  2. Click where you want to expand a space, and drag it down.
    Gap-expander
  3. Now you got the space made!
    Gap-expander

Fill up the space.

Let's say you inserted a message and your Sequence diagram is done. Now you want to clean up the diagram and remove all the unnecessary space.

  1. Click [Gap Remover] on the tool palatte.
    Gap-remover
  2. Click at the space you want to fill up and drag it up.
    Gap-remover
  3. Now you've taken away the unnecessary space.
    Gap-remover