Use this dialog box to edit the color map of a digital elevation model (DEM) or other single-band image.
On the list, click the color map you want to use for the image.
Clicking one of the following three buttons takes you to the Palette Color Map Definition dialog box to configure the color map:
Click to create a new color map.
Click to copy the selected color map; this is a good way to create a new color map based on an existing one.
Click to edit the selected color map.
Clear this check box if you do not want to display the image.