NAME        image_snap

AUTHOR      Ian Curington, Advanced Visual Systems, Inc.

PARAMETERS:
             snap            oneshot
             image_name      first image, controlling transformations
             target          second image name, to apply transformations


DESCRIPTION

 This module uses the CLI to cause image zoom and pan
 operations on one image to be echoed to a second image.
 A "snap" button is used to cause the transformations.
 Two string type-in controls specifiy the original
 and target image names in the image viewer.