ChartDirector 6.0 (Perl Edition)

Horizontal Box-Whisker Chart




This example demonstrates creating a multi-color horizontal box-whisker chart.

XYChart.addBoxWhiskerLayer2 is used to create the multi-color box-whisker layer. The chart is set to horizontal orientation using XYChart.swapXY.

Source Code Listing

[Standalone Version] perldemo\hboxwhisker.pl
#!/usr/bin/perl

# In the sample code, the ChartDirector for Perl module is assumed to be in "../lib"
use File::Basename;
use lib (dirname($0)."/../lib") =~ /(.*)/;

use perlchartdir;

# Sample data for the Box-Whisker chart. Represents the minimum, 1st quartile, medium, 3rd quartile
# and maximum values of some quantities
my $Q0Data = [40, 45, 35];
my $Q1Data = [55, 60, 50];
my $Q2Data = [62, 70, 60];
my $Q3Data = [70, 80, 65];
my $Q4Data = [80, 90, 75];

# The labels for the chart
my $labels = ["<*img=robot1.png*><*br*>Bipedal Type", "<*img=robot2.png*><*br*>Wolf Type",
    "<*img=robot5.png*><*br*>Bird Type"];

# Create a XYChart object of size 540 x 320 pixels
my $c = new XYChart(540, 320);

# swap the x and y axes to create a horizontal box-whisker chart
$c->swapXY();

# Set the plotarea at (75, 25) and of size 440 x 270 pixels. Enable both horizontal and vertical
# grids by setting their colors to grey (0xc0c0c0)
$c->setPlotArea(75, 25, 440, 270)->setGridColor(0xc0c0c0, 0xc0c0c0);

# Add a title to the chart
$c->addTitle("           Robot Shooting Accuracy Scores");

# Set the labels on the x axis and the font to Arial Bold
$c->xAxis()->setLabels($labels)->setFontStyle("arialbd.ttf");

# Disable x axis ticks by setting the length to 0
$c->xAxis()->setTickLength(0);

# Set the font for the y axis labels to Arial Bold
$c->yAxis()->setLabelStyle("arialbd.ttf");

# Add a Box Whisker layer using light blue 0x9999ff as the fill color and blue (0xcc) as the line
# color. Set the line width to 2 pixels
$c->addBoxWhiskerLayer2($Q3Data, $Q1Data, $Q4Data, $Q0Data, $Q2Data)->setLineWidth(2);

# Output the chart
$c->makeChart("hboxwhisker.png")

[CGI Version] perldemo_cgi\hboxwhisker.pl
#!/usr/bin/perl

# In the sample code, the ChartDirector for Perl module is assumed to be in "../lib"
use File::Basename;
use lib (dirname($0)."/../lib") =~ /(.*)/;

use perlchartdir;

# Sample data for the Box-Whisker chart. Represents the minimum, 1st quartile, medium, 3rd quartile
# and maximum values of some quantities
my $Q0Data = [40, 45, 35];
my $Q1Data = [55, 60, 50];
my $Q2Data = [62, 70, 60];
my $Q3Data = [70, 80, 65];
my $Q4Data = [80, 90, 75];

# The labels for the chart
my $labels = ["<*img=robot1.png*><*br*>Bipedal Type", "<*img=robot2.png*><*br*>Wolf Type",
    "<*img=robot5.png*><*br*>Bird Type"];

# Create a XYChart object of size 540 x 320 pixels
my $c = new XYChart(540, 320);

# swap the x and y axes to create a horizontal box-whisker chart
$c->swapXY();

#Set directory for loading images to current script directory
#Need when running under Microsoft IIS
$c->setSearchPath(dirname($0));

# Set the plotarea at (75, 25) and of size 440 x 270 pixels. Enable both horizontal and vertical
# grids by setting their colors to grey (0xc0c0c0)
$c->setPlotArea(75, 25, 440, 270)->setGridColor(0xc0c0c0, 0xc0c0c0);

# Add a title to the chart
$c->addTitle("           Robot Shooting Accuracy Scores");

# Set the labels on the x axis and the font to Arial Bold
$c->xAxis()->setLabels($labels)->setFontStyle("arialbd.ttf");

# Disable x axis ticks by setting the length to 0
$c->xAxis()->setTickLength(0);

# Set the font for the y axis labels to Arial Bold
$c->yAxis()->setLabelStyle("arialbd.ttf");

# Add a Box Whisker layer using light blue 0x9999ff as the fill color and blue (0xcc) as the line
# color. Set the line width to 2 pixels
$c->addBoxWhiskerLayer2($Q3Data, $Q1Data, $Q4Data, $Q0Data, $Q2Data)->setLineWidth(2);

# Output the chart
binmode(STDOUT);
print "Content-type: image/png\n\n";
print $c->makeChart2($perlchartdir::PNG);