ChartDirector 7.0 (Perl Edition)
Horizontal Box-Whisker Chart
Source Code Listing
#!/usr/bin/perl
# 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("Arial Bold");
# 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("Arial Bold");
# 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");