ChartDirector 6.0 (Perl Edition)

Simple Pyramid Chart




This example demonstrates the basic steps in creating pyramid charts.

Source Code Listing

[Standalone Version] perldemo\simplepyramid.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;

# The data for the pyramid chart
my $data = [156, 123, 211, 179];

# The labels for the pyramid chart
my $labels = ["Funds", "Bonds", "Stocks", "Cash"];

# Create a PyramidChart object of size 360 x 360 pixels
my $c = new PyramidChart(360, 360);

# Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
$c->setPyramidSize(180, 180, 150, 300);

# Set the pyramid data and labels
$c->setData($data, $labels);

# Add labels at the center of the pyramid layers using Arial Bold font. The labels will have two
# lines showing the layer name and percentage.
$c->setCenterLabel("{label}\n{percent}%", "arialbd.ttf");

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

[CGI Version] perldemo_cgi\simplepyramid.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;

# The data for the pyramid chart
my $data = [156, 123, 211, 179];

# The labels for the pyramid chart
my $labels = ["Funds", "Bonds", "Stocks", "Cash"];

# Create a PyramidChart object of size 360 x 360 pixels
my $c = new PyramidChart(360, 360);

# Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
$c->setPyramidSize(180, 180, 150, 300);

# Set the pyramid data and labels
$c->setData($data, $labels);

# Add labels at the center of the pyramid layers using Arial Bold font. The labels will have two
# lines showing the layer name and percentage.
$c->setCenterLabel("{label}\n{percent}%", "arialbd.ttf");

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