geographiclib-get-magnetic (8) - Linux Manuals
geographiclib-get-magnetic: a GeographicLib administrative tool
NAMEgeographiclib-get-magnetic -- a GeographicLib administrative tool
DESCRIPTIONgeographiclib-get-magnetic downloads and installs the magnetic datasets used by GeographicLib, <http://geographiclib.sf.net>. For documentation, supply the -h option:
By default, the datasets are installed in /usr/share/GeographicLib/magnetic and the script requires write access to this directory.