ChartDirector 6.0 (Perl Edition)
Overlapping Bar Chart
Source Code Listing
#!/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 bar chart my $data0 = [100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122]; my $data1 = [122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270]; my $data2 = [167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"]; # Create a XYChart object of size 580 x 280 pixels my $c = new XYChart(580, 280); # Add a title to the chart using 14pt Arial Bold Italic font $c->addTitle("Product Revenue For Last 3 Years", "arialbi.ttf", 14); # Set the plot area at (50, 50) and of size 500 x 200. Use two alternative background colors (f8f8f8 # and ffffff) $c->setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff); # Add a legend box at (50, 25) using horizontal layout. Use 8pt Arial as font, with transparent # background. $c->addLegend(50, 25, 0, "arial.ttf", 8)->setBackground($perlchartdir::Transparent); # Set the x axis labels $c->xAxis()->setLabels($labels); # Draw the ticks between label positions (instead of at label positions) $c->xAxis()->setTickOffset(0.5); # Add a multi-bar layer with 3 data sets my $layer = $c->addBarLayer2($perlchartdir::Side); $layer->addDataSet($data0, 0xff8080, "Year 2003"); $layer->addDataSet($data1, 0x80ff80, "Year 2004"); $layer->addDataSet($data2, 0x8080ff, "Year 2005"); # Set 50% overlap between bars $layer->setOverlapRatio(0.5); # Add a title to the y-axis $c->yAxis()->setTitle("Revenue (USD in millions)"); # Output the chart $c->makeChart("overlapbar.png") |
#!/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 bar chart my $data0 = [100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122]; my $data1 = [122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270]; my $data2 = [167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"]; # Create a XYChart object of size 580 x 280 pixels my $c = new XYChart(580, 280); # Add a title to the chart using 14pt Arial Bold Italic font $c->addTitle("Product Revenue For Last 3 Years", "arialbi.ttf", 14); # Set the plot area at (50, 50) and of size 500 x 200. Use two alternative background colors (f8f8f8 # and ffffff) $c->setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff); # Add a legend box at (50, 25) using horizontal layout. Use 8pt Arial as font, with transparent # background. $c->addLegend(50, 25, 0, "arial.ttf", 8)->setBackground($perlchartdir::Transparent); # Set the x axis labels $c->xAxis()->setLabels($labels); # Draw the ticks between label positions (instead of at label positions) $c->xAxis()->setTickOffset(0.5); # Add a multi-bar layer with 3 data sets my $layer = $c->addBarLayer2($perlchartdir::Side); $layer->addDataSet($data0, 0xff8080, "Year 2003"); $layer->addDataSet($data1, 0x80ff80, "Year 2004"); $layer->addDataSet($data2, 0x8080ff, "Year 2005"); # Set 50% overlap between bars $layer->setOverlapRatio(0.5); # Add a title to the y-axis $c->yAxis()->setTitle("Revenue (USD in millions)"); # Output the chart binmode(STDOUT); print "Content-type: image/png\n\n"; print $c->makeChart2($perlchartdir::PNG); |