GD::Graph

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

# Also see sample63

my @data = (
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 11, 12, 15, 16, 3, 1.5, 1, 3, 4],
[ 5, 12, 24, 15, 19, 8, 6, 15, 21],
[ 12, 3, 1, 5, 12, 9, 16, 25, 11],
);

my @names = qw/sample17 sample17-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 => 'Stacked Bars (incremental)',
#y_max_value => 50,
#y_tick_number => 10,
#y_label_skip => 2,
cumulate => 1,
dclrs => [ undef, qw(dgreen green) ],
borderclrs => [ undef, qw(black black) ],
bar_spacing => 4,

transparent => 0,
);

$my_graph->set_legend(undef, qw(low high));
$my_graph->plot(\@data) or die $my_graph->error;
save_chart($my_graph, $name);
}