[postgis-users] Geography midpoint of a line

Paul Ramsey pramsey at opengeo.org
Mon Nov 12 06:55:57 PST 2012


Combination of
ST_Distance
ST_Azimuth
ST_Project
enjoy!

On Mon, Nov 12, 2012 at 2:55 AM, James Skinner
<simonbolivar.uk at gmail.com> wrote:
> Hello,
> What's the best way of finding the midpoint of the great circle line that
> joins two geography points?
> I have point A and point B as geography points. I would like the geography
> point of the location on the Earth's surface that is half way between them.
>
> Thanks, James
>
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