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Re: Smooth and /EDGE_TRUNCATE [message #88461 is a reply to message #88459]

Tue, 29 April 2014 09:23

Fabzi
Messages: 305
Registered: July 2010

Senior Member

On 29.04.2014 18:04, David Fanning wrote:
> Not sure this "explains" it, but this section of the documentation might
> have at least saved you a couple of hours. :^)

OMG, "obvious" as allways. My opinion surely has absolutely no value,
but this means to me that the EDGE_* keywords are more than useless:
they are also dangerous.

Note, also, that CONVOL doesn't have this issue:

print, 'Convol', (convol(array, fltarr(3,3)+1./9, /NAN, $
/EDGE_TRUNCATE, /NORMALIZE))[2,2]

Produces the correct results.

Not for the future: "smooth" is ok for using on your last holiday's
picures, not for real data filtering ;)

Thanks dave!

Fabien

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[Message index]

		Smooth and /EDGE_TRUNCATE By: Fabzi on Tue, 29 April 2014 07:35
		Re: Smooth and /EDGE_TRUNCATE By: David Fanning on Tue, 29 April 2014 09:04
		Re: Smooth and /EDGE_TRUNCATE By: Fabzi on Tue, 29 April 2014 09:23

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