NAME

       Template::Plugin::GD::Graph::lines - Create line graphs with axes and legends

SYNOPSIS

           [% USE g = GD.Graph.lines(x_size, y_size); %]

EXAMPLES

           [% FILTER null;
               USE g = GD.Graph.lines(300,200);
               x = [1, 2, 3, 4];
               y = [5, 4, 2, 3];
               g.set(
                       x_label => 'X Label',
                       y_label => 'Y label',
                       title => 'Title'
               );
               g.plot([x, y]).png | stdout(1);
              END;
           -%]

           [% FILTER null;
               data = [
                   ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
                                                "Sep", "Oct", "Nov", "Dec", ],
                   [-5, -4, -3, -3, -1,  0,  2,  1,  3,  4,  6,  7],
                   [4,   3,  5,  6,  3,1.5, -1, -3, -4, -6, -7, -8],
                   [1,   2,  2,  3,  4,  3,  1, -1,  0,  2,  3,  2],
               ];

               USE my_graph = GD.Graph.lines();

               my_graph.set(
                       x_label => 'Month',
                       y_label => 'Measure of success',
                       title => 'A Simple Line Graph',

                       y_max_value => 8,
                       y_min_value => -8,
                       y_tick_number => 16,
                       y_label_skip => 2,
                       box_axis => 0,
                       line_width => 3,
                       zero_axis_only => 1,
                       x_label_position => 1,
                       y_label_position => 1,

                       x_label_skip => 3,
                       x_tick_offset => 2,

                       transparent => 0,
               );
               my_graph.set_legend("Us", "Them", "Others");
               my_graph.plot(data).png | stdout(1);
              END;
           -%]

DESCRIPTION

       The GD.Graph.lines plugin provides an interface to the GD::Graph::lines class defined by
       the GD::Graph module. It allows one or more (x,y) data sets to be plotted as y versus x
       lines with axes and legends.

       See GD::Graph for more details.

AUTHOR

       Thomas Boutell wrote the GD graphics library.

       Lincoln D. Stein wrote the Perl GD modules that interface to it.

       Martien Verbruggen wrote the GD::Graph module.

       Craig Barratt <craig@arraycomm.com> wrote the original GD plugins for the Template Toolkit
       (2001).

       Andy Wardley <abw@cpan.org> extracted them from the TT core into a separate distribution
       for TT version 2.15.

COPYRIGHT

       Copyright (C) 2001 Craig Barratt <craig@arraycomm.com>, 2006 Andy Wardley <abw@cpan.org>.

       GD::Graph is copyright 1999 Martien Verbruggen.

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

SEE ALSO

       Template::Plugin::GD, Template::Plugin::GD::Graph::lines3d,
       Template::Plugin::GD::Graph::bars, Template::Plugin::GD::Graph::bars3d,
       Template::Plugin::GD::Graph::points, Template::Plugin::GD::Graph::linespoints,
       Template::Plugin::GD::Graph::area, Template::Plugin::GD::Graph::mixed,
       Template::Plugin::GD::Graph::pie, Template::Plugin::GD::Graph::pie3d, GD