[Proj] geod C library?

Evan Miller emmiller at gmail.com
Tue Nov 30 10:26:39 EST 2010

Hi all,

I am looking for the functionality provided by "geod" and "invgeod" (great
circle calculations) wrapped up in a plain C library. I found Charles
Karney's Geographic Library, but that's C++.

Does anyone know of such a library? Is there any reason (other than time and
effort) that Proj.4 doesn't provide a geod API?


Evan Miller
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