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Re: Force 8bit display ? [message #47276 is a reply to message #47275]

Wed, 01 February 2006 09:47

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Karl Schultz writes:

> Right. The 8-bit PseudoColor visual was almost a de facto standard on
> early X servers because it was very efficient on the hardware available at
> the time. Today's hardware handles the TrueColor 24-bit model well
> and you don't see the 8-bit stuff as much anymore. Some SUN X servers
> provide both 8 and 24 bit Visuals.

I'm going to regret saying this, I know, but you
*might* try asking for a 24-bit DirectColor visual.
This normally won't work worth a damn, but I have heard
of an undocumented keyword that is *suppose* to fix
the problem. After setting to 24-bit direct color,
try issuing this statement:

DEVICE, /INSTALL_COLORMAP

Now if you change color tables, you graphics window *might*
change, too. Let us know. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Force 8bit display ? By: Nigel Wade on Thu, 02 February 2006 01:49
		Re: Force 8bit display ? By: Karl Schultz on Wed, 01 February 2006 10:14
		Re: Force 8bit display ? By: David Fanning on Wed, 01 February 2006 09:47
		Re: Force 8bit display ? By: Karl Schultz on Wed, 01 February 2006 09:39
		Re: Force 8bit display ? By: David Fanning on Wed, 01 February 2006 08:13
		Re: Force 8bit display ? By: L. Testut on Wed, 01 February 2006 07:51
		Re: Force 8bit display ? By: David Fanning on Wed, 01 February 2006 06:21
		Re: Force 8bit display ? By: peter.albert@gmx.de on Wed, 01 February 2006 05:18

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