NAME
   Geo::Distance::Google - Google Maps Distance API

SYNOPSIS
     use Geo::Distance::Google;

     my $geo = Geo::Distance::Google->new;

     my $distance = $geo->distance(
       # sears tower... wacker tower whatever
       origins      => '233 S. Wacker Drive Chicago, Illinois 60606',
       destinations => '1600 Amphitheatre Parkway, Mountain View, CA'
     );

     printf "The distance between: %s and %s is %s\n",
        $distance->[0]->{origin_address},
        $distance->[0]->{destinations}->[0]->{address},
        $distance->[0]->{destinations}->[0]->{distance}->{text};

DESCRIPTION
   Geo::Distance::Google provides a distance and duration functionality
   using Google Maps API.

METHODS
 new
   Create new geo distance object.

     $geo = Geo::Distance::Google->new( https => 1 );
     $geo = Geo::Distance::Google->new( language => 'ru' );
     $geo = Geo::Distance::Google->new( gl => 'ca' );

  Parameters (all are optional)
   *   ua - LWP::UserAgent object or compatiable

   *   host - url of api host

   *   language - Google's response will be in this language (when possible
       by google)

   *   region - region for usage

   *   sensor - true (1) when pulling data from GPS sensor

   *   mode - mode of transport (default: driving)

   *   avoid - restrictions applied to directions (supports 'tolls' or
       'highways')

   *   https - set to true will make requests with https

   *   debug - true will output internal debugging info

   You can optionally use your Maps Premier Client ID, by passing your
   client code as the "client" parameter and your private key as the "key"
   parameter. The URL signing for Premier Client IDs requires the
   *Digest::HMAC_SHA1* and *MIME::Base64* modules. To test your client, set
   the environment variables GMAP_CLIENT and GMAP_KEY before running
   02_v3_live.t

     GMAP_CLIENT=your_id GMAP_KEY='your_key' make test

 distance
     $distance = $geo->distance(
       origins      => '233 S. Wacker Drive Chicago, Illinois 60606',
       destinations => '1600 Amphitheatre Parkway, Mountain View, CA'
     )

     # multiple origins
     $distance = $geo->distance(
       origins      => [
         'One MetLife Stadium Drive, East Rutherford, New Jersey 07073, United States',
         '602 Jamestown Avenue, San Francisco, California 94124'
       ],
       destinations => '1265 Lombardi Avenue, Green Bay, Wisconsin 54304'
     );

     # lat and lng
     $distance => $geo->distance(
       origins      => '34.101063,-118.3385319',
       destinations => '34.1613743,118.1676149'
     );

   Queries *$geo* to Google Maps distance API and returns list reference
   that contains each origin to destination mapping.

   Data returned from second example above looks like:

     [
       {
         'origin_address' => 'MetLife Stadium, 102 Stadium Rd, East Rutherford, NJ 07073, USA',
         'destinations' => [
           {
             'distance' => {
                'value' => 1587392,
                 'text' => '1,587 km'
              },
              'status'   => 'OK',
              'duration' => {
                'value' => 60332,
                'text'  => '16 hours 46 mins'
              },
              'address' => '1265 Lombardi Ave, Green Bay, WI 54304, USA'
            }
          ]
        },
        {
          'origin_address' => '602 Jamestown Ave, San Francisco, CA 94124, USA',
          'destinations' => [
            {
              'distance' => {
                'value' => 3615562,
                'text'  => '3,616 km'
              },
              'status' => 'OK',
              'duration' => {
                'value' => 127697,
                'text'  => '1 day 11 hours'
              },
              'address' => '1265 Lombardi Ave, Green Bay, WI 54304, USA'
            }
          ]
        }
     ]

   When you'd like to pass non-ascii string as a location, you should pass
   it as either UTF-8 bytes or Unicode flagged string.

 ua
   Accessor method to get and set UserAgent object used internally. You can
   call *env_proxy* for example, to get the proxy information from
   environment variables:

     $coder->ua->env_proxy;

   You can also set your own User-Agent object:

     $coder->ua( LWPx::ParanoidAgent->new );

ACKNOWLEDGEMENTS
   I borrowed much of this inital code from "Geo::Coder::Google", it sped
   up much of my work and was a great help. Thanks.

AUTHOR
   Lee Carmichael, "<lcarmich at cpan.org>"

BUGS
   Please report any bugs or feature requests to "bug-geo-distance-google
   at rt.cpan.org", or through the web interface at
   <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Geo-Distance-Google>. I
   will be notified, and then you'll automatically be notified of progress
   on your bug as I make changes.

SUPPORT
   You can find documentation for this module with the perldoc command.

       perldoc Geo::Distance::Google

   You can also look for information at:

   *   RT: CPAN's request tracker (report bugs here)

       <http://rt.cpan.org/NoAuth/Bugs.html?Dist=Geo-Distance-Google>

   *   AnnoCPAN: Annotated CPAN documentation

       <http://annocpan.org/dist/Geo-Distance-Google>

   *   CPAN Ratings

       <http://cpanratings.perl.org/d/Geo-Distance-Google>

   *   Search CPAN

       <http://search.cpan.org/dist/Geo-Distance-Google/>

TODO
   *   Add support to distance method for explicit latitude and longtitude
       parameters (support by hand encoding as 'lat|lng'

   *   Add tests for method based changes to attributes avoid, mode and
       units

   *   Add tests for API keys

   *   Add tests for imperial units

SEE ALSO
   Geo::Distance, Geo::Coder::Google

   List of supported languages:
   <http://spreadsheets.google.com/pub?key=p9pdwsai2hDMsLkXsoM05KQ&gid=1>

   API Docs:
   <http://code.google.com/apis/maps/documentation/distancematrix/>,

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