GeographicLib Reviews

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awotji Posted 2019-03-09

I have used this to calculate Ocad mapping software angle correction GD: declination + convergence. Just updated WMM2015v2. Need to overwrite WMM2015 files ? Didn't find helps, but it looks that need to overwrite ?
wallw Posted 2017-05-19

Very fast and very accurate. Don't reinvent the wheel! Use this!
lzjtliwei Posted 2016-12-08

It has some useful for me, thanks!
zonaopengts Posted 2016-09-10

Hi Visit the blog "Zona OpenGTS" (www) zona-opengts.blogspot.com Thanks !!!
frougon Posted 2016-03-11

GeographicLib is a great library. I use it in FFGo to solve the geodetic inverse and direct problems, as well as to get magnetic declination data, and it works great! Having a ready-to-use algorithm that is more robust than the Vincenty algorithm for the geodetic inverse problem (and also more accurate, as I understood it) it invaluable. Thank you so much, Mr. Karney! (for info, I use the Python 3 implementation for geodetic calculations and call MagneticField as an external program to get magnetic declination data)
zandare Posted 2015-09-07

Powerful, super easy thanks to a great documentation. Thank you!
majorfriday Posted 2013-06-04

Nice work ! Great project.

1 user found this review helpful.
oid-3873881 Posted 2012-10-18

The software is carefully thought out and easy to install. A pleasure to work with.
jdejo Posted 2012-03-27

And also with friendly and quick support by Charles
jasonmray Posted 2011-02-08

Nice library with great documentation.