GD::Graph

use strict;
use GD::Graph::bars;
use GD::Graph::hbars;
require 'save.pl';

my @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],
);

my @names = qw/sample12 sample12-h/;

for my $my_graph (GD::Graph::bars->new, GD::Graph::hbars->new)
{
my $name = shift @names;
print STDERR "Processing $name\n";

$my_graph->set(
x_label => 'X Label',
y_label => 'Y label',
title => 'Two data sets',
long_ticks => 1,
y_max_value => 40,
y_tick_number => 8,
y_label_skip => 2,
bar_spacing => 3,
shadow_depth => 4,

accent_treshold => 200,

transparent => 0,
);

$my_graph->set_legend('Data set 1', 'Data set 2');
$my_graph->plot(\@data);
save_chart($my_graph, $name);
}