Create bar graphs with axes and legends
[% USE g = GD.Graph.bars(x_size, y_size); %]
[% FILTER null; data = [ ["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"], [ 1, 2, 5, 6, 3, 1.5, 1, 3, 4], ];
USE my_graph = GD.Graph.bars();
my_graph.set( x_label => 'X Label', y_label => 'Y label', title => 'A Simple Bar Chart', y_max_value => 8, y_tick_number => 8, y_label_skip => 2,
# shadows bar_spacing => 8, shadow_depth => 4, shadowclr => 'dred',
transparent => 0, ); my_graph.plot(data).png | stdout(1); END; -%]
[% FILTER null; data = [ ["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"], [ 5, 12, 24, 33, 19, 8, 6, 15, 21], [ 1, 2, 5, 6, 3, 1.5, 1, 3, 4], ];
USE my_graph = GD.Graph.bars();
my_graph.set( x_label => 'X Label', y_label => 'Y label', title => 'Two data sets',
# shadows bar_spacing => 8, shadow_depth => 4, shadowclr => 'dred',
long_ticks => 1, y_max_value => 40, y_tick_number => 8, y_label_skip => 2, bar_spacing => 3,
accent_treshold => 200,
transparent => 0, ); my_graph.set_legend( 'Data set 1', 'Data set 2' ); my_graph.plot(data).png | stdout(1); END; -%]
The \s-1GD\s0.Graph.bars plugin provides an interface to the GD::Graph::bars class defined by the GD::Graph module. It allows one or more (x,y) data sets to be plotted with each point represented by a bar, in addition to axes and legends.
See GD::Graph for more details.
Thomas Boutell wrote the \s-1GD\s0 graphics library.
Lincoln D. Stein wrote the Perl \s-1GD\s0 modules that interface to it.
Martien Verbruggen wrote the GD::Graph module.
Craig Barratt <[email protected]> wrote the original \s-1GD\s0 plugins for the Template Toolkit (2001).
Andy Wardley <[email protected]> extracted them from the \s-1TT\s0 core into a separate distribution for \s-1TT\s0 version 2.15.
Copyright (C) 2001 Craig Barratt <[email protected]>, 2006 Andy Wardley <[email protected]>.
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.
Template::Plugin::GD, Template::Plugin::GD::Graph::lines, Template::Plugin::GD::Graph::lines3d, 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, \s-1GD\s0