Diagram overview

Diagram overview is a pane where users can view and zoom in an active diagram directly and shortly. 

The Diagram overview

Closing and opening the diagram overview

Diagram overview is opened by default. To close it, press the X button at the top right corner. On the other hand, it can be opened by selecting View > Panes > Diagram Overview from the main menu.

Viewing an active diagram

An active diagram can be viewed in diagram overview automatically. As the diagram is shown on the diagram pane, it can be viewed in diagram overview.

An active diagram is shown on Diagram Overview

Having a quick view on a particular part of diagram

There is much truth in saying that viewing a large diagram is such an annoying task, especially a particular part of this large diagram is needed to focus on. In fact, a particular part of diagram can be navigated by moving the purple rectangle which represents the visible area of diagram in diagram overview. 

1. Press on the purple rectangle and drag it to the preferred part of diagram you would like to view.
   

   Drag to the preferred part of diagram

2. As a result, the part of diagram will be subsequently shown on the diagram pane.
   

   The particular part of diagram is viewed on diagram pane

Zooming in a particular part of diagram

Drag the diagonal of purple rectangle to zoom in a particular part of diagram. The smaller you drag the purple rectangle, the more the part of diagram will be magnified.

Drag the diagonal of purple rectangle

On the contrary, the larger you drag the purple rectangle, the more the part of diagram will be dwindled.