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Re: color by variable interpolate? [message #50129 is a reply to message #50124]

Tue, 12 September 2006 06:56

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> I think I would do it like this:
>
> LoadCT, 33 ; Rainbow color table
>
> ; Scale temp from 12 to 255.
> color = BytScl(T, Top=255-12) + 12B
>
> ; Sort temp from cold to hot
> sortIndex = Sort(T)
> x = x[sortIndex]
> y = y[sortIndex]
> T = T[sortIndex]
> PLOT, x, y, /NoData
> PLOTS, x, y, PSym=sym(3), Color=T

Whoops! Brain jam.

I was trying to use your PLOTS command, which would
require your temperature array to be sorted, if you
want to use it in the loop, as in your example. In my
example, I have done away with the loop, so no sorting
is necessary.

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: color by variable interpolate? By: David Fanning on Tue, 12 September 2006 08:22
		Re: color by variable interpolate? By: vorticitywolfe on Tue, 12 September 2006 08:16
		Re: color by variable interpolate? By: David Fanning on Tue, 12 September 2006 06:56
		Re: color by variable interpolate? By: David Fanning on Tue, 12 September 2006 06:53

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