Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!ut-emx!ccwf.cc.utexas.edu!yanling
From: yanling@ccwf.cc.utexas.edu (yanling)
Newsgroups: comp.windows.x
Subject: colormap needed ! (standard optical spectrum colormap)
Message-ID: <51207@ut-emx.uucp>
Date: 25 Jun 91 20:30:29 GMT
Sender: news@ut-emx.uucp
Reply-To: yanling@ccwf.cc.utexas.edu (yanling)
Organization: The University of Texas at Austin
Lines: 18
Originator: yanling@sleepy.cc.utexas.edu

Hi X world,

    I got a question about colormap. I need to plot a color picture of 
temperature field. I would like to code the temperature field as red for 
highest temperature and blue for lowest temperature in a geometric
domain. The color should be changed linearly from red to blue with the 
temperature from highest to lowest. 


    The colormap I need should be a standard spectrum like we see from physics
textbook. When the pixal values go from 2 to 256, the colors vary from red
orange, yellow, green ... blue.


    Thanks in advance.


     --yanling