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     <img src="/wiki/download/attachments/4227374/Circular Viewer_1.png"/>
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Also you can mark sequences as circular in UGENE by the Mark as circular sequence context menu item. When the sequences are marked as Circular, the Circular View is automatically opened for them in all opened Sequence View windows.

The Restriction Sites Map will appear automatically. To show restriction sites the Show Restriction Sites menu should be checked. To hide the map click on the following button:

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     <img src="/wiki/download/attachments/4227374/Circular Viewer_2.png"/>
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This will also affect the Sequence View. You can select a sequence region with Ctrl and the selection will be inverted. 

Note that the circular view is zoomed automatically when the Circular Viewer area is resized:

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