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Re: about color table [message #66874]

Fri, 19 June 2009 07:18

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jeremy Bailin writes:

> Another way of going from array to scaledData (i.e. everything in
> between TVLCT and TVImage in David's code), that's probably easier to
> deal with if you want to change the values (or number) of the cutoffs,
> is:
>
> cutoffs = [0.2, 0.3, 0.5, 0.8]
> scaledData = byte(value_locate(cutoffs, array) + 2)

Thanks, Jeremy, for pointing this out. Even as jaded an IDL
programmer has me had raised eyebrows when I read this. :-)

I've written an article about this so others can learn about it.

http://www.dfanning.com/code_tips/partition.html

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.")

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[Message index]

		Re: about color table By: David Fanning on Fri, 19 June 2009 07:18
		Re: about color table By: David Fanning on Thu, 18 June 2009 21:39
		Re: about color table By: Jeremy Bailin on Thu, 18 June 2009 21:30
		Re: about color table By: Hu on Thu, 18 June 2009 21:12
		Re: about color table By: David Fanning on Thu, 18 June 2009 15:01
		Re: about color table By: Jeremy Bailin on Fri, 19 June 2009 20:55

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