Compare Diagrams

You can compare diagrams you created with Astah System Safety in one project file to another.

  1. Open a project then go to [File] – [Compare Diagram].
    Compare Diagram with Astah System Safety

  2. Select another project file to compare.

  3. [Compare Diagram] pop-up opens with a list of diagrams and models of both project files.
    Compare Diagram View in Astah System Safety

  4. Diagrams and models that have differences in two project files will be indicated with “>”. Please refer to the guide here to learn what the icons mean on the compare list.
    Comparison List in Astah System Safety

  5. When you double-click the diagram on the list, it opens two diagrams for you to visually compare them.
    Compare Diagrams Visually
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How to see the comparison list

Models and diagrams with differences will be indicated with an icon that will be added to a top-right of model/diagram images.

Icon

Description

Compare - red icon
This indicates that there is a change in this diagram or within the package.
Compare Green
This indicates that this model/diagram only exists in one project file.
Compare - red icon
This indicates that this model/diagram does not exist in one project file but does in another.

Also, the added model/diagram name will appear in blue.

Comparison List in Astah System Safety

And deleted model/diagram name will appear in gray.

Delete-Astah System Safety