Geo::Coordinates::Converter::Datum - geo coordinates datum converter
after it converts it into a three-dimensional orthogonalization coordinates, the survey a land system has been converted.
when it dose not like this conversion algorithm, it is possible to rewrite it by doing this package in use base and overwriting to_datum and datum_from.
as for these datums, the added thing is possible.
Kazuhiro Osawa <email@example.com>
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.