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List:       postgis-users
Subject:    Re: [postgis-users] azimuth spheriod
From:       Sandro Santilli <strk () keybit ! net>
Date:       2011-02-22 8:51:45
Message-ID: 20110222085145.GJ99588 () keybit ! net
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On Tue, Feb 22, 2011 at 05:11:33AM +0000, Hecox, Brad wrote:
> Hello,
> 
> We are trying to determine the best way to calculate the direction of two points \
> geodetically on the spheriod.  We saw the function "spheroid_direction" in \
> lwspheroid.c..  ... "Computes the direction of the geodesic joining two points on \
> the spheroid. Based on Vincenty's formula"... exactly what we need!  However I am \
> unable to find a way to call that from pl/pgsql.  How can we access this c function \
> through a pl/pgsql function?

It looks like you can't yet.
Wouldn't take too much time to make it available.
Patch or sponsorship is welcome.

--strk; 

  ()   Free GIS & Flash consultant/developer
  /\   http://strk.keybit.net/services.html
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