| Re: color labrynth [message #29959 is a reply to message #29953] |
Tue, 26 March 2002 08:54  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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HILBERMAN (hilberma@colorado.edu) writes:
> I am caught in the middle of a 24-bit v. 8-bit ping pong match for color
> graphics and my brain is starting to hurt. Need help.
>
> THE PROBLEM: When I plot a perfectly beautiful, multi-color graph and
> try to save it to a bitmap file, the color is either not preservered
> (i.e. seems to revert to the B&W indexed color model?), or it is not
> preserved AND the lines are faint to none. (Depending, it seems, on
> whether or not I choose decomposed equal to 1 or 0.)
>
> THE PLATFORM: I have been toying with the problem on a Sun Solaris 8,
> although I have also bounced over to the IDL on my Windows 2000 to see
> if it makes a difference (it doesn't).
>
> As mentioned above, I have varied the device values (mainly Decomposed
> and True_Color), but I haven't found a solution. Clearly, this arena
> of 8-bit v. 24-bit color tables is new to me, and I would appreciate any
> help you may have.
I'd just use TVREAD from my web page:
http://www.dfanning.com/programs/tvread.pro
Or, just steal the source code and see how it is
done. You don't even need Craig's neat new tool. :-)
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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