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Re: cgcolor load color to the current color table. [message #78137 is a reply to message #78136]

Wed, 26 October 2011 10:40

Zhang Bo
Messages: 22
Registered: October 2011

Junior Member

On Oct 25, 10:16 pm, David Fanning <n...@dfanning.com> wrote:
> Zhang Bo writes:
>> when I use color = cgcolor('black'), it will load black in to color
>> index 84, which mass up my following TV and colorbar. How to avoid
>> this?
>
> Use decomposed color. :-)
>
> Or, if you insist on using the brain-dead TV command and
> indexed color load your color tables just before you display
> your image. With cgColorbar, use the AnnotateColor keyword
> rather than the Color keyword to specify your drawing color.
>
> But, really, use decomposed color. For everything. Really. :-)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.idlcoyote.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

With decomposed color, how to show color gradient in a contour plot?
The we I can image is by setting an array of gradient numbers for
colors every time, which seems not quite convenient.

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[Message index]

		Re: cgcolor load color to the current color table. By: David Fanning on Wed, 26 October 2011 14:14
		Re: cgcolor load color to the current color table. By: Zhang Bo on Wed, 26 October 2011 13:31
		Re: cgcolor load color to the current color table. By: David Fanning on Wed, 26 October 2011 10:50
		Re: cgcolor load color to the current color table. By: Zhang Bo on Wed, 26 October 2011 10:40
		Re: cgcolor load color to the current color table. By: David Fanning on Tue, 25 October 2011 20:19
		Re: cgcolor load color to the current color table. By: David Fanning on Tue, 25 October 2011 19:16

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