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Re: finding gps within polygon
- From: Michael Fuhr <mike(at)fuhr(dot)org>
- To: blackwater dev <blackwaterdev(at)gmail(dot)com>
- Cc: pgsql-general(at)postgresql(dot)org
- Subject: Re: finding gps within polygon
- Date: Fri, 30 Jun 2006 07:08:20 -0600
On Thu, Jun 29, 2006 at 11:15:09PM -0400, blackwater dev wrote: > Does anyone have a good tutorial on finding gps points within a polygon? I > need to be able to pass in a list of gps coordinates and let postgres return > to me matching cities from my cities table that are within that polygon. PostgreSQL has some basic geometry types and functions, but for more advanced spatial work consider using PostGIS (an add-on to PostgreSQL). The documentation has a "Using PostGIS" chapter with examples. http://www.postgis.org/ -- Michael Fuhr
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