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65 lines
1.8 KiB
65 lines
1.8 KiB
4 months ago
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#!/usr/bin/perl -w
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#
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# $Id: bargraph.pl,v 1.9 2004/05/11 21:00:18 jeffo Exp $
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#
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use strict;
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use GD;
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use GD::Graph::bars;
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use GD::Graph::hbars;
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use GD::Graph::bars3d;
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use CGI qw(:standard);
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#use Data::Dumper;
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my @data = ([split(/:/,param('labels'))],
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[map(($_ eq ''? undef : $_),split(/:/,param('values')))]);
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if (param('values2')) {push @data,[map(($_ eq ''? undef : $_),split(/:/,param('values2')))];}
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#print STDERR Dumper(\@data);
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my $max = 0;
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foreach (@{$data[1]}) {defined $_ and $max = ($max > $_? $max : $_);}
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if ($data[2]) {foreach (@{$data[2]}) {defined $_ and $max = ($max > $_? $max : $_);}}
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$max *= 1.2;
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$max=5*(int($max/5)+1);
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my $xdim = param('xdim');
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if (not $xdim) {$xdim = 500;}
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my $ydim = param('ydim');
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if (not $ydim) {$ydim = 150};
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my $graph;
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if (param('hbar')) {
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#print STDERR "hbar set\n";
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$graph = GD::Graph::hbars->new($xdim,$ydim);
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} else {
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$graph = GD::Graph::bars->new($xdim,$ydim);
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#print STDERR "hbar not set\n";
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}
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my %opt = ('transparent' => 0,
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'x_label_position' => 0.5,
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'show_values' => 1,
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'y_max_value' => $max,
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'overwrite' => 1);
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if (param('title')) {$opt{'title'} = param('title');}
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if (param('xlabel')) {$opt{'x_label'} = param('xlabel');}
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if (param('ylabel')) {$opt{'y_label'} = param('ylabel');}
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if (param('ymax')) {$opt{'y_max_value'} = param('ymax');}
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if (param('ymin')) {$opt{'y_min_value'} = param('ymin');}
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if (param('yticknum')) {$opt{'y_tick_number'} = param('yticknum');}
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$graph->set(%opt) or die $graph->error;
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$graph->set_title_font(gdGiantFont);
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$graph->set_x_label_font(gdGiantFont);
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$graph->set_y_label_font(gdGiantFont);
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$graph->set_x_axis_font(gdGiantFont);
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$graph->set_y_axis_font(gdGiantFont);
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$graph->set_values_font(gdGiantFont);
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my $gd = $graph->plot(\@data) or die $graph->error;
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#open(IMG, '>file.png') or die $!;
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binmode STDOUT;
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print header("image/png");
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print $gd->png;
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