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Re: weird behavior of Triangulate [message #81272]

Sat, 01 September 2012 18:26

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jenny writes:

> David, thanks for sharing. I did compared results from GRIDDATA and
> those from a Fortran code (both using inverse-distance method)for my
> first set of data, and they look identical. So seems GRIDDATA work ok
> for small datasets. However, I agree that for large datasets, such as
> Landsat, other languages (i.e Fortran, C) are much more efficient. I
> don't understand why we shouldn't have confidence in results from
> GRIDDATA? and why it doesn't always work?!

It is reassuring to me that I am not the only one
asking these questions! :-)

Cheers,

David

P.S. Thinking I might have made a mistake with my LandSat
problem, I tried it again earlier this afternoon. I ended
up having to reboot my computer to get things back in
working order. :-(

--
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: weird behavior of Triangulate By: David Fanning on Sat, 01 September 2012 18:26
		Re: weird behavior of Triangulate By: envi35@yahoo.ca on Sat, 01 September 2012 18:10
		Re: weird behavior of Triangulate By: David Fanning on Sat, 01 September 2012 07:45
		Re: weird behavior of Triangulate By: envi35@yahoo.ca on Sat, 01 September 2012 07:17
		Re: weird behavior of Triangulate By: David Fanning on Sat, 01 September 2012 06:59
		Re: weird behavior of Triangulate By: Yngvar Larsen on Thu, 06 September 2012 07:06

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