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Re: PLOT and colors [message #51469 is a reply to message #51468]

Fri, 24 November 2006 10:00

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Ingo von Borstel wrote:
> Hello there,
>
> when using the PLOT command, it comes with a COLOR=xyz keyword. That
> works nicely in the way that I can specify in my case the shade of red
> that is plotted (xyz = 0...255), but I cannot make it plot in another
> color, e.g. yellow, blue or so. Is there a way to produce a color plot
> with IDL that allows me to plot using all colors available to my display
> and/or printer?
>
> Best regards,
> Ingo

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..

Jean

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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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