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Template::Plugin::GD::Graph::lines.3pm

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