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Re: Tasselated Cap in IDL? [message #81219 is a reply to message #81191]

Wed, 29 August 2012 05:45

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Yngvar Larsen writes:

> Sorry for late answer, but since nobody answered yet...
> (Though likely you already resolved this by yourself,
> since Google knows the answer.)

Yes, but like most things, the answer is a little bit
more complicated than you think it is going to be. :-)

Anyway, I've written a cgTasseledCap function that goes
along with a cgTasseledCapCoeffs function that can
return a number (eight, if I remember correctly) of tasseled
cap matrices with coefficients for performing the
operation, depending upon what kind of data you have.

Most of the coefficients apply to various types of LandSat data,
but there are some Quickbird coefficients there as well.

I haven't officially released the code yet, as I am still
testing it. But, I'm reasonably sure it is working correctly.
Look for it by the end of the week.

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]

		Tasselated Cap in IDL? By: DavidF[1] on Mon, 20 August 2012 09:59
		Re: Tasselated Cap in IDL? By: David Fanning on Wed, 29 August 2012 05:45
		Re: Tasselated Cap in IDL? By: Yngvar Larsen on Tue, 28 August 2012 23:09

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