Re: Earth distance

From: Bruno Wolff III <bruno(at)wolff(dot)to>
To: Dennis Gearon <gearond(at)cvc(dot)net>
Cc: Tad Marko <tad(at)tadland(dot)net>, Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Earth distance
Date: 2003-04-02 02:49:25
Message-ID: 20030402024925.GA21739@wolff.to
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On Tue, Apr 01, 2003 at 13:09:33 -0800,
Dennis Gearon <gearond(at)cvc(dot)net> wrote:
> So does Postgres do 'Great Circle' calculations? Like distance between two
> points? What dataset does it use?

Yes it does Great Circle distance. It uses a spherical model, so the only
parameter is the Earth's radius.

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