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Re: cgColorBar with /device [message #80489 is a reply to message #80488]

Wed, 13 June 2012 07:43

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

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.")

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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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