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Re: Obtain Pixel values in ENVI and report those to IDL [message #64129 is a reply to message #64126]

Thu, 04 December 2008 07:33

Jean H.
Messages: 472
Registered: July 2006

Senior Member

> I doubt very much this is going to work, except in a very
> narrow set of circumstances. To grow the region, you are
> going to have to know the value of the image at a particular
> location. In general, you can't obtain that kind of information
> from an image display (which, by necessity, is scaled into
> the range of 0 to 255 and usually rebinned to fit into a
> display window).

oops, you are right, I forgot to query the data...

in Envi, use ENVI_GET_DATA()

Jean

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[Message index]

		Re: Obtain Pixel values in ENVI and report those to IDL By: jeffnettles4870 on Thu, 04 December 2008 10:27
		Re: Obtain Pixel values in ENVI and report those to IDL By: Jean H. on Thu, 04 December 2008 07:33
		Re: Obtain Pixel values in ENVI and report those to IDL By: David Fanning on Thu, 04 December 2008 07:20
		Re: Obtain Pixel values in ENVI and report those to IDL By: Jean H. on Thu, 04 December 2008 06:39

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