Oliver Kohll - Mailing Lists wrote:

On 21 Jul 2010, at 23:14, Joe Conway <m...@joeconway.com <mailto:m...@joeconway.com>> wrote:

If you want something simple, and not requiring PostGIS, but plpgsql
instead, see:

http://archives.postgresql.org/pgsql-sql/2003-12/msg00193.php

For completeness, the earthdistance module also provides the distance between two lat/longs, the point<@>point syntax is simple to use:
http://www.postgresql.org/docs/8.3/static/earthdistance.html

Disgregard my last post, Surely as soon as I hit send, the light went on... I'm looking at deriving my points for point <@> point from ll_to_earth().


Regards
Oliver Kohll

oli...@agilebase.co.uk <mailto:oli...@agilebase.co.uk> / +44(0)7814 828608 / skype:okohll
www.agilebase.co.uk <http://www.agilebase.co.uk> - software



--
Until later, Geoffrey

"I predict future happiness for America if they can prevent
the government from wasting the labors of the people under
the pretense of taking care of them."
- Thomas Jefferson

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