Re: Earth distance - Mailing list pgsql-general

From Dennis Gearon
Subject Re: Earth distance
Date
Msg-id 3E8B0E21.80500@cvc.net
Whole thread Raw
In response to Re: Earth distance  (Bruno Wolff III <bruno@wolff.to>)
Responses Re: Earth distance  (Bruno Wolff III <bruno@wolff.to>)
List pgsql-general
How easy would it be to add other datums, or the flattened spheroid model to be
an option for calculations?

Bruno Wolff III wrote:
> On Tue, Apr 01, 2003 at 13:09:33 -0800,
>   Dennis Gearon <gearond@cvc.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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