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Re: Colormap in idl -vm [message #38684 is a reply to message #38683]

Tue, 23 March 2004 14:16

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Yunxiang Zhang writes:

> I was not able to make the colormap work properly with idl virtual
> machine. The image always looks b/w and TVLCT defined color is always
> black.
>
> For example, LOADCT won't do anything and the following code gives me
> totally black screen. This happens only in virtual machine mode(Linux).
> :(
>
> TVLCT, [[0], [255], [31]], green
> PLOT, x, my_func, color=green
>
> Is it a common problem or I have to know some tricks here? Thanks!

I guess I would have tried this:

TVLCT, [[0], [255], [31]], green
DEVICE, Decomposed=0
PLOT, x, my_func, color=green

Does that work any better?

Cheers,

David

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

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[Message index]

		Re: Colormap in idl -vm By: David Fanning on Wed, 24 March 2004 06:33
		Re: Colormap in idl -vm By: portshome on Wed, 24 March 2004 06:08
		Re: Colormap in idl -vm By: David Fanning on Tue, 23 March 2004 15:47
		Re: Colormap in idl -vm By: Yunxiang Zhang on Tue, 23 March 2004 15:25
		Re: Colormap in idl -vm By: David Fanning on Tue, 23 March 2004 14:16
		Re: Colormap in idl -vm By: portshome on Tue, 30 March 2004 07:05

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