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Re: position matching [message #54087 is a reply to message #54001]

Wed, 16 May 2007 07:09

cmancone
Messages: 30
Registered: May 2007

Member

I attempted your suggestion, and it certainly helped. Execution time
went from about 2 minutes to roughly 5 seconds. I'd say that's quite
an improvement. I'm sure it could get faster, but I think 5 seconds
is good enough.

On May 15, 11:25 am, Edd Edmondson <e...@cheetah.slarti.org.uk> wrote:
> Edd Edmondson <e...@cheetah.slarti.org.uk> wrote:
>> Since you need a search within a given radius (from your other post)
>> I'd first sort the longer list and use a binary search to get the
>> subset of stars within that radius in one coordinate.
>
> ^^
> or um, just a WHERE(). I've clearly spent too long out of IDLland.
>
> --
> Edd

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[Message index]

		Re: position matching By: cmancone on Tue, 15 May 2007 08:55
		Re: position matching By: Edd Edmondson on Tue, 15 May 2007 08:25
		Re: position matching By: Paolo Grigis on Tue, 15 May 2007 08:14
		Re: position matching By: Edd Edmondson on Tue, 15 May 2007 08:11
		Re: position matching By: cmancone on Tue, 15 May 2007 07:36
		Re: position matching By: Paolo Grigis on Tue, 15 May 2007 07:14
		Re: position matching By: JD Smith on Wed, 16 May 2007 13:47
		Re: position matching By: cmancone on Wed, 16 May 2007 07:09

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