On Sat, May 22, 2010 at 8:02 AM, Deepa Thulasidasan
<deepatulsidasan@yahoo.co.in> wrote:
> Dear All,
>
> Can some one help me understand st_azimuth() available in postgis.
did you read the documentation?
(http://postgis.refractions.net/documentation/manual-svn/ST_Azimuth.html).
the function calculates the angle between two points on a plane.
merlin