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GeographicLib is a small, handy set of C++ classes specially designed to help you convert between geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates, for geoid calculations, and for computing geodesic.
The emphasis is on returning accurate results with errors close to round-off (about 5–15 nm). In addition, various properties of the Transverse Mercator Projection are described and an accurate algorithm for Geodesics on the Ellipsoid is given.
What's New in This Release: [ read full changelog ]
· Replace the series used for geodesic areas by one with better convergence (this only makes an appreciable difference if |f| > 1/150).
Via: GeographicLib 1.26
