| Re: Why the contour does not show? [message #63958 is a reply to message #63877] |
Sat, 22 November 2008 13:42   |
xiao zhang
Messages: 81
Registered: June 2008
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Member |
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On Nov 21, 6:27 pm, David Fanning <n...@dfanning.com> wrote:
> xiao writes:
>> Sorry I have to ask again, i tried to scaled my data, and the result
>> is right, but when I try to plot it, it just show me very few colors
>> (almost bright color) Is it because of my color table? David? Thank
>> you. BTW: i did scale it from 0 to 255.
>
> Well, I don't think the CONTOUR command knows anything
> about 24-bit colors. He is older, even, than I am. :-)
>
> It's an odd color table, but why don't you just
> load the colors and then tell the Contour command
> to use an index into the color table, like this:
>
> TVLCT, r, g, b
> IF (!D.Flags AND 256) NE 0 THEN $
> Device, Decomposed=0, Get_Decomposed=theState
> CONTOUR, ....., C_Colors=Indgen(64), ....
> IF (!D.Flags AND 256) NE 0 THEN $
> Device, Decomposed=theState
>
> That might work better. At least it is a place to start.
>
> 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.")
Sorry, David, it does not work :( I am trying to think where the
problem should be....
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