#!/usr/bin/perl -wTuse strict;use CGI;use GD::Graph::bars;use constant TITLE => "Average Commute Time: Bar Chart";my $q     = new CGI;my $graph = new GD::Graph::bars( 400, 300 );my @data  = (    [ qw( Mon  Tue  Wed  Thu  Fri ) ],    [      33,  24,  23,  19,  21   ],    [      17,  15,  19,  15,  24   ],);$graph->set(     title           => TITLE,    x_label         => "Day",    y_label         => "Minutes",    long_ticks      => 1,    y_max_value     => 40,    y_min_value     => 0,    y_tick_number   => 8,    y_label_skip    => 2,    bar_spacing     => 4,    accent_treshold => 400,);$graph->set_legend( "Morning", "Evening" );my $gd_image = $graph->plot( \@data );print $q->header( -type => "image/png", -expires => "-1d" );binmode STDOUT;print $gd_image->png;