Using Colormaps

Using Colormaps

This section explains using colormaps in some detail. Note that in many cases, you won't need to worry about colormaps: Just use the drawing area widget and create a TrueColor visual for your RGBA OpenGL program. However, under certain circumstances, for example, if the OpenGL program uses indexed color, the information in this section is important. The section discusses these topics:

"Background Information About Colormaps"
"Choosing Which Colormap to Use"
"Colormap Example"

Background Information About Colormaps
Choosing Which Colormap to Use
Colormap Example