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Posted by Marcus Bointon on 10/21/86 11:33
On 21 Nov 2005, at 14:14, Tony Di Croce wrote:
> Does anyone know of any commercial or free implementations of this?
> Is it
> primarily a database problem or is their some way (computationally) to
> compute the probable proximity of two zip codes?
All the suggested packages could be all you need, but also note that
MySQL 5 has built-in GIS features which may make searches like these
way more efficient should they use them:
http://dev.mysql.com/doc/refman/5.0/en/spatial-extensions-in-mysql.html
http://dev.mysql.com/doc/refman/5.0/en/functions-that-test-spatial-
relationships-between-geometries.html
Marcus
--
Marcus Bointon
Synchromedia Limited: Putting you in the picture
marcus@synchromedia.co.uk | http://www.synchromedia.co.uk
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