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Manipulating a single image

To try the following functions, read in an image by selecting File ---> from the menu bar.

Normal zooming: The image may be panned directly using the mouse in combination with the control key. While the control key is down, the buttons have the following effects:

Smooth zooming: The image may also be zoomed ``smoothly''. To activate this press the ``z'' key. While the control key is down the mouse has the following effects:

Karen McGaul