From: Larry Rosenman <ler@lerctr.org>
To: Ryan Orth <ryan@seahat.com>
To: jeff@propertykey.com
Cc: pgsql-sql@postgresql.org
Subject: Re: nearest match
Date: Thu, 13 Mar 2003 23:18:37 -0600
Message-ID: <24770000.1047619117@lerlaptop.lerctr.org> (raw)
In-Reply-To: <10193.65.102.128.233.1047576141.squirrel@fordparts.com>
References: <10112.65.102.128.233.1047504752.squirrel@fordparts.com>
<3E709AF4.9050407@propertykey.com>
<10193.65.102.128.233.1047576141.squirrel@fordparts.com>
--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
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To: pgsql-sql@postgresql.org
Cc: ler@lerctr.org, ryan@seahat.com, jeff@propertykey.com
Subject: Re: nearest match
In-Reply-To: <24770000.1047619117@lerlaptop.lerctr.org>
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