GeographicLib Files

Geographic library

Brought to you by: karney

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
Parent folder
GeographicLib-Fortran-2.1.tar.gz	2025-08-21	83.0 kB	0
00README.md	2025-08-21	774 Bytes	0
GeographicLib-Fortran-2.0.tar.gz	2022-04-21	70.4 kB	0
Totals: 3 Items		154.2 kB	0

Fortran implementation of the geodesic routines in GeographicLib

This directory provide source packages for the library. Programmers should download the latest .tar.gz file.

The algorithms are documented in

C. F. F. Karney, Algorithms for geodesics, J. Geodesy 87(1), 43–55 (2013); Addenda.

Other links:

Library documentation: https://geographiclib.sourceforge.io/Fortran/doc
Git repository: https://github.com/geographiclib/geographiclib-fortran
Source distribution: https://sourceforge.net/projects/geographiclib/files/distrib-Fortran
GeographicLib: https://geographiclib.sourceforge.io
Author: Charles Karney, karney@alum.mit.edu

Source: 00README.md, updated 2025-08-21

nel_h2

Keep company data safe with Chrome Enterprise Icon

Keep company data safe with Chrome Enterprise

Protect your business with AI policies and data loss prevention in the browser

Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.

Download Chrome

Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use. Icon

Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use.

Transform user access with Frontegg CIAM: login box, SSO, MFA, multi-tenancy, and 99.99% uptime.

Custom auth drains 25% of dev time and risks 62% more breaches, stalling enterprise deals. Frontegg platform delivers a simple login box, seamless authentication (SSO, MFA, passwordless), robust multi-tenancy, and a customizable Admin Portal. Integrate fast with the React SDK, meet compliance needs, and focus on innovation.

Start for Free

Recommended Projects

DegreeToUTM
This program reads a txt file with various coordinates (lat/long or utm) and converts them all to another system (utm or lat/long, respectively), copying the results to clipboard (where it can be pasted in MS Excel or similar).
egm96-f477.c
C translation of EGM96 (earth height model) implementation (namely, f477.f) available at http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm96/egm96.html
egm96-f477-MATLAB
The purpose of the software is to calculate the undulation between the WGS84 ellipsoid (GPS height) and the EGM96 geoid (mean sea level) in MATLAB, based on the C code in the "egm96-f477.c" project
folium
Python data, Leaflet.js maps