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Re: Moving window on an image [message #67668 is a reply to message #67667]

Sat, 15 August 2009 12:29

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jeff N. writes:

> Why do you need to add 2 to the indices returned by value_locate()
> here? I can see why you'd need to add 1 to them, but not 2.

If Value_Locate doesn't find *any* values in a particular
range, it returns a -1. I can histogram values -1 to 6, but
it seems to make more intuitive sense to histogram values
1 to 8 in this case.

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: Moving window on an image By: David Fanning on Sat, 15 August 2009 12:35
		Re: Moving window on an image By: David Fanning on Sat, 15 August 2009 12:29
		Re: Moving window on an image By: jeffnettles4870 on Sat, 15 August 2009 12:09
		Re: Moving window on an image By: David Fanning on Sat, 15 August 2009 05:31

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