[Proj] Distance calculation

[Gerald I. Evenden]

On Tuesday 14 October 2008 4:04:48 pm Karl Swartz wrote:
> > Zhang Xue-Lian (1985) The nested coefficient method for accurate
> > solutions of direct and inverse geodetic problems with any length.
> > Proceedings of the 7th International Symposium on Geodetic
> > Computations,  Direct and inverse distance
> > functions.              Cracow, June 18-21, 1985. Institute of
> > Geodesy and Cartography. Wasaw, Poland, ul. Jasna 2/4 pp 747-763
> >
> > since it's more accurate than the classical method due to Gauss for
> > long distances.
>
> How does this compare to Thomas Vincenty's algorithm (which can be found
> at http://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf)?
>
>  -- Karl

I second the request as I considered it the gold standard and besides full 
documentation and source code are available at NGS as well as online 
computational services.

-- 
The whole religious complexion of the modern world is due
to the absence from Jerusalem of a lunatic asylum.
-- Havelock Ellis (1859-1939) British psychologist