NAME
    Location::GeoTool::Ex::GridLocator - Extension for Location::GeoTool

SYNOPSIS
  use Location::GeoTool::Ex::GridLocator;

  my $geo = Location::GeoTool->create_coord('354345.000','1394437.000',"wgs84", "dmsn");

  my $gl = $geo->get_gridlocator;  # PM95UR

DESCRIPTION
  Location::GeoTool::Ex::GridLocator extends the Location::GeoTool module.

FUNCTIONS
  If you use this module in your program, it add get_gridlocator method 
  to Location::GeoTool.
  Don't use Location::GeoTool::Ex::GridLocator as object constructor!
  This is not subclass of Location::GeoTool::Ex::GridLocator, but extends
   function of Location::GeoTool itself.

  Please see the way to use this, please see upper SYNOPSIS part.
  It contains the way to use this.

NOTICE
  This extension calcurates Grid Locator based on datum of Location::GeoTool
  object.
  So, if you want to make object by Tokyo datum but get Grid Locator in wgs84,
  do like below:

  my $geo = Location::GeoTool->create_coord('354345.000','1394437.000',"tokyo", "dmsn");

  my $gl = $geo->datum_wgs84->get_gridlocator;

AUTHOR
    OHTSUKA Ko-hei <nene@kokogiko.net>

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