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Date: Thu, 13 Mar 2003 23:18:37 -0600
From: Larry Rosenman <ler@lerctr.org>
To: Ryan Orth <ryan@seahat.com>, jeff@propertykey.com
Cc: pgsql-sql@postgresql.org
Subject: Re: nearest match
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--On Thursday, March 13, 2003 11:22:21 -0600 Ryan Orth <ryan@seahat.com> 
wrote:

>> Ryan wrote:

> Hot damn! thats exactly what I needed.  I imagine I would only be
> comparing the distance of 50 points at any given time (about the max
> number of reference numbers on any given image) so its mighty quick.
> (184 points takes 1.80 msec to check)
>
> I didn't even know about those geometric operators (I find new stuff every
> day I swear).   Are they SQL standard or postgres specific?
postgres specific.  There are a WHOLE bunch of geometric operators and 
functions
in PG.

LER



-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749