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Geo::Coordinates::ITM(3pm) User Contributed Perl Documentation Geo::Coordinates::ITM(3pm)

NAME

Geo::Coordinates::ITM - Convert coordinates between lat/lon and Irish Transverse Mercator

VERSION

This document describes Geo::Coordinates::ITM version 0.02

SYNOPSIS

  use Geo::Coordinates::ITM qw( ll_to_grid grid_to_ll );
  my ( $lat, $lon ) = grid_to_ll( $east, $north );
  my ( $east, $north ) = ll_to_grid( $lat, $lon );

DESCRIPTION

Convert back and forth between Irish Transverse Mercator grid and WGS84. The conversion code was stolen wholesale from <http://bit.ly/ZqpUA>.

  http://svn.geograph.org.uk/svn/branches/british-isles/libs/geograph \
    /conversionslatlong.class.php

Nothing is exported by default. The exportable functions are "ll_to_grid" and "grid_to_ll".

INTERFACE

"ll_to_grid"

Convert a latitude, longitude (WGS84) coordinate pair into an ITM easting and northing.

  my ( $east, $north ) = ll_to_grid( $lat, $lon );

"grid_to_ll"

Convert an ITM easting, northing pair to a WGS84 latitude, longitude.

  my ( $lat, $lon ) = grid_to_ll( $east, $north );

BUGS

Please report any bugs or feature requests to "bug-geo-coordinates-itm@rt.cpan.org", or through the web interface at <http://rt.cpan.org>.

AUTHOR

Andy Armstrong "<andy@hexten.net>"

Code gratefully stolen from <http://bit.ly/ZqpUA>

  http://svn.geograph.org.uk/svn/branches/british-isles/libs/geograph \
    /conversionslatlong.class.php

LICENCE AND COPYRIGHT

Copyright (c) 2009, Andy Armstrong "<andy@hexten.net>".

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

2022-06-14 perl v5.34.0