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Re: cgcolourbar - examples with text labels aligned inside boxes [message #85651 is a reply to message #85650]

Fri, 23 August 2013 10:11

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

AMS writes:

> I am probably missing something obvious so perhaps someone here can tell me the answer...
>
> I've adopted cgcolourbar as a much nicer way to make colour bars than what I was doing before, via contour. (Thanks, David!)
>
> I now want to do something I didn't try before: I want a 'categorical' type of colour bar, with text to describe each value, rather than the 'continuous' data type. One of the images in the code's documentation shows what I am looking for:
>
> http://www.idlcoyote.com/idldoc/cg/cgcolorbar.html
>
> I'm looking at the example of the months-of-the-year colour bar, the third one down. So, I know I need to set the /discrete keyword. But how do I align the labels (e.g. 'Jan', 'Feb',...) in the middle of the boxes, rather than along the divisions between boxes (like shown on the top example of the page). I looked through the keywords but didn't see anything obvious, and can't find the example code to produce that colour bar. Does anyone know?

Use cgDCBar.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		cgcolourbar - examples with text labels aligned inside boxes By: Andy Sayer on Fri, 23 August 2013 10:04
		Re: cgcolourbar - examples with text labels aligned inside boxes By: David Fanning on Fri, 23 August 2013 10:11
		Re: cgcolourbar - examples with text labels aligned inside boxes By: Andy Sayer on Fri, 23 August 2013 11:02
		Re: cgcolourbar - examples with text labels aligned inside boxes By: David Fanning on Fri, 23 August 2013 11:59
		Re: cgcolourbar - examples with text labels aligned inside boxes By: Andy Sayer on Fri, 23 August 2013 12:43

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