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Re: spectral resampling in ENVI [message #55959 is a reply to message #55949]

Mon, 24 September 2007 09:25

Jeff N.
Messages: 120
Registered: April 2005

Senior Member

On Sep 24, 9:31 am, Tal <t...@bar-kal.com> wrote:
> Hi everybody,
>
> When spectrally resampling an image from one floating point image
> (300,1,484) (484 bands) to another floating point image having
> dimensions (300,1,198) (198 bands) some of the values become NaN's
> (i.e. floating point infinity). I found no record of this in the help
> files nor in the forum so far.
> I was thinking of replacing these values by averaging neighbors. But
> I rather use something more robust to fix this (or otherwise see why
> it happens). There is no division by 0. the wavelength range of the
> smaller image (198 bands) is fully contained within the wavelength
> range of the bigger image (484 bands).
>
> Any ideas?
>
> Cheers,
> Tal

How are you actually doing the resampling?

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[Message index]

		Re: spectral resampling in ENVI By: Tal on Tue, 25 September 2007 00:00
		Re: spectral resampling in ENVI By: Jeff N. on Mon, 24 September 2007 09:25
		Re: spectral resampling in ENVI By: Tal on Mon, 08 October 2007 02:42

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