Draw Overexcavate Cut Color Map
Use this command to display a cut color map on the screen that
shows the areas of overexcavate cut. The colors will graduate from
white to red based on zero cut depth to maximum cut depth. This
command also offers the user to place a legend of the cut depths on
the screen. Pick the desired location and type the desired scale of
the legend when prompted at the command line.
Prerequisite: An overexcavate surface
Keyboard Command: overx_cfmap