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Re: bad column in image [message #66816 is a reply to message #66706]

Fri, 05 June 2009 12:22

Amanda
Messages: 12
Registered: August 2006

Junior Member

Ok, the interpolation sounds like a much better idea, but is
"interpol" only for vectors? I tried using it with mine and only got a
synthax error. I know there's also an "interpolation" function, but I
have no idea how to use it.

Amanda

On Jun 3, 5:11 pm, David Fanning <n...@dfanning.com> wrote:
> Amanda writes:
>> I was just using the where function, like this: arr(where(arr[1440,*]
>> GT 1000))=3Dmean(arr) but I don't know if that's how I should be doing
>> it.
>
> No, that's not the way you should be doing it. :-)
>
> I would do it like this:
>
> badcol = arr[1440,*]
> indices = Where(badcol GT 1000, count)
> IF count GT 0 THEN badcol[indices] = Mean(arr)
> arr[1440,*] = badcol
>
> Using the mean of the array is sketchy. Perhaps some
> kind of interpolation method would be better:
>
> http://www.dfanning.com/math_tips/easyinterp.html
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: bad column in image By: Jean H. on Wed, 03 June 2009 09:48
		Re: bad column in image By: David Fanning on Wed, 03 June 2009 09:11
		Re: bad column in image By: Amanda on Wed, 03 June 2009 09:03
		Re: bad column in image By: David Fanning on Tue, 02 June 2009 19:08
		Re: bad column in image By: Amanda on Fri, 05 June 2009 12:22

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