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Re: cgColorBar with /device [message #80488]

Wed, 13 June 2012 08:14

bio_amateur
Messages: 7
Registered: August 2010

Junior Member

On Jun 13, 10:43 am, David Fanning <n...@idlcoyote.com> wrote:
> David Fanning writes:
>
>> bio_amateur writes:
>
>>> It seems that cgColorBar doesn't work when I use device coordinate,
>>> rather than normalized coordinate. Any idea?
>>> When I use
>>> cgColorbar, Range=[Min(data2D),Max(data2D)], $
>>> Divisions=12, XTicklen=1, XMinor=0, $
>>> AnnotateColor='black', NColors=nlevels, Bottom=1, $
>>> Format='(F0.2)', $
>>> Position=1000*[0.125, 0.915, 2.955, 2.95], /device, $
>>> Charsize=0.7 , /vertical
>
>>> It only gives me a white box with labels, no colors are filled in the
>>> box.
>
>> Yes, POSITION is always given in Normalized coordinates.
>> Across *all* IDL direct graphics routines. :-)
>
> By the way, positioning with DEVICE coordinates is
> a perfect way to totally screw up everything you hope
> to do with graphics. My advice would be to forget you
> ever heard about DEVICE coordinates. :-)
>
> 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.")

Thanks a lot David.

Bests,
Tuan

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[Message index]

		Re: cgColorBar with /device By: bio_amateur on Wed, 13 June 2012 08:14
		Re: cgColorBar with /device By: David Fanning on Wed, 13 June 2012 07:43
		Re: cgColorBar with /device By: David Fanning on Wed, 13 June 2012 07:39

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