This dialog is the most common starting point for editing aspects of the current
algorithm. The dialog shows a tree like diagram of the algorithm elements.
You can use the mouse or arrow keys to navigate around the tree control. Double
clicking on an active element opens the editor for that element.
Like most of the other MapImagery Editor dialogs, the dialog has a Preview
Window along with a set of controls for easily zooming and panning the
preview window to the desired location and resolution.
The dialog also has an Only Active check box that toggles
between showing just the active algorihtm elements (the default) and all of the algorithm