p.s., Re: color

> Because Yellow is part of the CMY = (Cyan, Magenta, Yellow)
> color coordinate system.  The default for these is 1.0f.
 
You can override the defaults with ConstantMaps to Cyan and
Magenta, if you just wants shades of Yellow.  For example,
 
  display.addMap(new ConstantMap(0.0, Display.Cyan));
  display.addMap(new ConstantMap(0.0, Display.Magenta));
 
Cheers, Bill
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
whibbard@xxxxxxxxxxxxx  608-263-4427  fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html