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Re: Today's IDL Lesson [message #62017 is a reply to message #61926]

Thu, 14 August 2008 12:41

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article <MPG.230e2fd1f36aa30a98972c@news.giganews.com>,
David Fanning <news@dfanning.com> wrote:

> This morning I ran the PROFILER on the code, and saw it
> was spending most of its time in the WHERE function.
> I was using the WHERE to locate the indices of blobs I
> wanted to work with from the LABEL_REGION image. A couple
> of quick tests showed that as that as that image gets larger,
> the search time of WHERE goes up exponentially.

Shouldn't that be "increases linearly with the image size and
number of invocations of WHERE"?

Ken

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[Message index]

		Today's IDL Lesson By: David Fanning on Thu, 14 August 2008 12:05
		Re: Today's IDL Lesson By: David Fanning on Fri, 15 August 2008 05:11
		Re: Today's IDL Lesson By: Allan Whiteford on Fri, 15 August 2008 02:05
		Re: Today's IDL Lesson By: David Fanning on Thu, 14 August 2008 19:12
		Re: Today's IDL Lesson By: Kenneth P. Bowman on Thu, 14 August 2008 12:41
		Re: Today's IDL Lesson By: MarioIncandenza on Wed, 20 August 2008 10:01

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