| Re: Colorbar with fixed level and color [message #81424 is a reply to message #81422] |
Fri, 14 September 2012 06:12   |
Rosie
Messages: 27
Registered: September 2012
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Junior Member |
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On Friday, September 14, 2012 1:53:07 PM UTC+1, Rosie wrote:
> On Friday, September 14, 2012 1:13:04 PM UTC+1, David Fanning wrote:
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>> Rosie writes:
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>>>
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>>> Hello,
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>>>
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>>> I have created contour plot with following color and levels
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>>>
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>>> loadct,39
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>>> nl=21; nl,number of level
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>>> color=(findgen(nl+1)*10)+50
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>>> level=findgen(nl)*.5-5
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>>>
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>>> Would anyone kindly tell how to plot colorbar with this specification.
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>> Well, those specifications don't make too much sense, since
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>> there is no "color" at index 260. But, what I *think* you
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>> are trying to do is something like this:
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>> cgLoadCT, 39, Clip=[50,254], NColors=20, Bottom=1
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>> cgColorBar, NColors=20, Bottom=1, /Discrete, $
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>> Range=[Min(level),Max(level)], Charsize=0.75
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>> Cheers,
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>> David
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>> --
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>> David Fanning, Ph.D.
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>> Fanning Software Consulting, Inc.
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>> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
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>> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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> Thanks a lot, David. It worked !
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> Regards,
Few more questions:
1)Can I do less than -4 with < sign and more than +4 with > sign ?
2)Another problem is with green colour, they can hardly be differentiated.
3)I used the command division=10, minor=2. But it did not worked.
Regards,
Rosie
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