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Re: Removing bad data from an array [message #55332 is a reply to message #55331]

Fri, 10 August 2007 08:12

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Melanie writes:

> I am trying to remove bad data points from an array. I have found the
> index numbers where the bad data points are located, but I am not sure
> the most efficient way to go through the array and remove those data
> points. Does anyone know of a simple way to do this?

It is probably easier to look for the *good* points, but...
to each his own. :-)

Try something like this:

badpnts = Where( array LT whatever, badcount, $
COMPLEMENT=goodpnts, NCOMPLEMENT=goodcount)
IF goodcount GT 0 THEN array = array[goodpnts]

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: Removing bad data from an array By: Melanie on Fri, 10 August 2007 08:55
		Re: Removing bad data from an array By: David Fanning on Fri, 10 August 2007 08:25
		Re: Removing bad data from an array By: David Fanning on Fri, 10 August 2007 08:12

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