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Re: hist_2d, contour [message #66573 is a reply to message #66572]

Wed, 27 May 2009 05:39

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Nicolas Aunai writes:

> so the help is wrong ? :-)

Not wrong so much as, well, let's just say a jokester.
I think it was written by a cousin of Coyote's. :-)

> last question :
>
> should I do :
>
> eci = MIN(ec(*,0)) + bin*lindgen(ceil((max(ec(*,0))-min(ec(*,0)))/bin))
>
> or
>
>
> eci = MIN(ec(*,0)) + bin*lindgen(1+(max(ec(*,0))-min(ec(*,0)))/bin)

I don't know. I always use Scale_Vector for this:

dist = Hist_2d(xdata, ydata...)
s = Size(dist, /DIMENSIONS)
x = Scale_Vector(Indgen(s[0]), Min(xdata), Max(xdata))
y = Scale_Vector(Indgen(s[1]), Min(ydata), Max(ydata))

Scale_Vector is a Coyote Library file.

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: hist_2d, contour By: David Fanning on Wed, 27 May 2009 05:58
		Re: hist_2d, contour By: David Fanning on Wed, 27 May 2009 05:39
		Re: hist_2d, contour By: Nicolas Aunai on Wed, 27 May 2009 05:13
		Re: hist_2d, contour By: David Fanning on Wed, 27 May 2009 04:51

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