ChartDirector 7.0 (Perl Edition)

3D Bubble Chart (1)




This examples demonstrates a bubble chart using glass spheres as bubbles.

Source Code Listing

perldemo\threedbubble.pl
#!/usr/bin/perl # The ChartDirector for Perl module is assumed to be in "../lib" use File::Basename; use lib (dirname($0)."/../lib") =~ /(.*)/; use perlchartdir; # The XYZ points for the bubble chart my $dataX0 = [170, 300, 1000, 1700]; my $dataY0 = [16, 69, 16, 75]; my $dataZ0 = [52, 105, 88, 140]; my $dataX1 = [500, 1000, 1300]; my $dataY1 = [40, 58, 85]; my $dataZ1 = [140, 202, 84]; # Create a XYChart object of size 540 x 480 pixels my $c = new XYChart(540, 480); # Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal and vertical # grid lines with light grey color (0xc0c0c0) $c->setPlotArea(70, 65, 400, 350, -1, -1, $perlchartdir::Transparent, 0xc0c0c0, -1); # Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold Italic # font. Set the background and border color to Transparent. $c->addLegend(70, 30, 0, "Times New Roman Bold Italic", 12)->setBackground( $perlchartdir::Transparent); # Add a title to the chart using 18pt Times Bold Itatic font. $c->addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18); # Add titles to the axes using 12pt Arial Bold Italic font $c->yAxis()->setTitle("Capacity (tons)", "Arial Bold Italic", 12); $c->xAxis()->setTitle("Range (miles)", "Arial Bold Italic", 12); # Set the axes line width to 3 pixels $c->xAxis()->setWidth(3); $c->yAxis()->setWidth(3); # Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where the sphere size is # modulated by dataZ0. This creates a bubble effect. $c->addScatterLayer($dataX0, $dataY0, "Technology AAA", $perlchartdir::GlassSphereShape, 15, 0xff3333)->setSymbolScale($dataZ0); # Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres, where the sphere size is # modulated by dataZ1. This creates a bubble effect. $c->addScatterLayer($dataX1, $dataY1, "Technology BBB", $perlchartdir::GlassSphereShape, 15, 0x0000ff)->setSymbolScale($dataZ1); # Output the chart $c->makeChart("threedbubble.png");