You can access this command from the image menubar through → ,
This command opens a submenu:
These commands act on the view, not on the image. To act on the image, go to: .
These commands are self-explanatory. Please note the “!” shortcut for the Reset Flip and Rotate command, which restores the image in its original state.
The Other… command opens a dialog that allows you to set a precise angle for the rotation of the view: