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Re: PLOT and colors [message #51468]

Fri, 24 November 2006 10:18

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jean H. writes:

> you can also use a function from RSI's tutorial:
> function rgb2idx, rgb
> return, rgb[0]+(rgb[1]*2L^8)+(rgb[2]*2L^16)
> end
>
> plot, [...], color = rgb2idx[0,0,255] for a nice blue..

Or, whatever color happens to be loaded in color index
255 if you happen to have DEVICE, DECOMPOSED=0 set at
the moment. :-)

If you want a nice blue, you are MUCH better off trying
something like this:

plot, findgen(11), color=fsc_color('sky blue')

Now THAT should give you a nice blue! :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: PLOT and colors By: David Fanning on Fri, 24 November 2006 10:18
		Re: PLOT and colors By: Jean H. on Fri, 24 November 2006 10:00
		Re: PLOT and colors By: Paolo Grigis on Fri, 24 November 2006 00:37

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