EXAMPLES
[% 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;
-%]
DESCRIPTION
The GD.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.
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 <[email protected]> wrote the original GD plugins for the Template Toolkit (2001).
Andy Wardley <[email protected]> extracted them from the TT core into a separate distribution for TT version 2.15.