pseudo-color a moving object track based on its length from origin.

If I have the xy positions of a tracked object's track, how can I pseudo-color the track with a map like jet, based on its length from origin?

Answer 1

[Image Analyst]

Use an overlay. For more info, see:

http://blogs.mathworks.com/steve/2009/02/18/image-overlay-using-transparency/

http://www.mathworks.com/matlabcentral/answers/104889-how-to-overlay-a-foreground-image-over-a-background-image