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Re: ENVI Navigating GeoTiff Image Incorrectly? [message #78116]

Thu, 27 October 2011 07:43

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Devin White writes:

> To get a better idea of what ENVI's actually doing, I'd use
> ENVI_CONVERT_FILE_COORDINATES instead of relying on what you see in
> the Pixel Locator or Cursor Location/Value tools. File coordinates
> should be supplied to that procedure as zero-based numbers, so you'll
> be able to do a direct comparison to your approach.

OK, I tried this approach this morning, and for this
UTM projection, the ENVI numbers are just totally
screwy. I'll see if I can put a sample image together
that demonstrates the problem.

I presume this is one reason ENVI moved to the ESRI
map projection code in what? ENVI 4.7?

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: ENVI Navigating GeoTiff Image Incorrectly? By: David Fanning on Thu, 27 October 2011 07:43
		Re: ENVI Navigating GeoTiff Image Incorrectly? By: devin.white on Thu, 27 October 2011 02:44
		Re: ENVI Navigating GeoTiff Image Incorrectly? By: David Fanning on Wed, 26 October 2011 14:33
		Re: ENVI Navigating GeoTiff Image Incorrectly? By: guillermo.castilla.ca on Fri, 28 October 2011 07:20

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