geographiclib

Author: Charles F. F. Karney (karney@alum.mit.edu)

Version: 2.1

Date: 2025-08-21

This package is a python implementation of the geodesic routines in GeographicLib. It allows the solution geodesic problems on an ellipsoid model of the earth.

Licensed under the MIT/X11 License; see LICENSE.txt.

Contents:

• Python package
  • Installation
  • Other links
  • Change log
• Geodesics on an ellipsoid
  • Introduction
  • Solution of geodesic problems
  • Additional properties
  • Multiple shortest geodesics
  • Area of a polygon
  • Background
  • References
• The library interface
  • The units
  • Geodesic dictionary
  • outmask and caps
  • Restrictions on the parameters
• GeographicLib API
  • geographiclib
  • geographiclib.geodesic
  • geographiclib.geodesicline
  • geographiclib.polygonarea
  • geographiclib.constants
• Examples
  • Initializing
  • Basic geodesic calculations
  • Computing waypoints
  • Measuring areas

Indices and tables

• Index

• Module Index

• Search Page