geographiclib.constants — geographiclib 2.1 documentation

# Source code for geographiclib.constants

    """Define the WGS84 ellipsoid"""
    # constants.py
    #
    # This is a translation of the GeographicLib::Constants class to python.  See
    # the documentation for the C++ class for more information at
    #
    #    https://geographiclib.sourceforge.io/C++/doc/annotated.html
    #
    # Copyright (c) Charles Karney (2011-2022) <karney@alum.mit.edu> and
    # licensed under the MIT/X11 License.  For more information, see
    # https://geographiclib.sourceforge.io/
    ######################################################################

    class Constants:
      """
      Constants describing the WGS84 ellipsoid
      """

      WGS84_a = 6378137.0           # meters
      """the equatorial radius in meters of the WGS84 ellipsoid in meters"""
      WGS84_f = 1/298.257223563
      """the flattening of the WGS84 ellipsoid, 1/298.257223563"""