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About the Controls Window:

The XV controls window is the central point of control for the program. Controls are provided to resize, flip, and rotate the current image. Controls are also provided to load and save different files, as well as bring up the other XV windows. The XV Controls Window is brought up by pressing the ? key inside of any XV window or by clicking the Right mouse button inside the image window (performing either of these actions while the controls window is visible will hide it).

Figure 2 XV Controls Window

The 21 button commands along the bottom portion of the Controls window will be described first. These commands can be grouped into the following categories: Cropping commands, Resizing commands, Smoothing commands, and Rotate/Flip commands. To invoke any of these commands, simply press the Left mouse button over the command, or press the keyboard hot-key equivalent.