ChartDirector 6.0 (Perl Edition)
Dual Y-Axis
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 chart my $data0 = [0.05, 0.06, 0.48, 0.1, 0.01, 0.05]; my $data1 = [100, 125, 265, 147, 67, 105]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]; # Create a XYChart object of size 300 x 180 pixels my $c = new XYChart(300, 180); # Set the plot area at (50, 20) and of size 200 x 130 pixels $c->setPlotArea(50, 20, 200, 130); # Add a title to the chart using 8pt Arial Bold font $c->addTitle("Independent Y-Axis Demo", "arialbd.ttf", 8); # Set the labels on the x axis. $c->xAxis()->setLabels($labels); # Add a title to the primary (left) y axis $c->yAxis()->setTitle("Packet Drop Rate (pps)"); # Set the axis, label and title colors for the primary y axis to red (0xc00000) to match the first # data set $c->yAxis()->setColors(0xc00000, 0xc00000, 0xc00000); # Add a title to the secondary (right) y axis $c->yAxis2()->setTitle("Throughtput (MBytes)"); # set the axis, label and title colors for the primary y axis to green (0x008000) to match the # second data set $c->yAxis2()->setColors(0x008000, 0x008000, 0x008000); # Add a line layer to for the first data set using red (0xc00000) color with a line width to 3 # pixels $c->addLineLayer($data0, 0xc00000)->setLineWidth(3); # Add a bar layer to for the second data set using green (0x00C000) color. Bind the second data set # to the secondary (right) y axis $c->addBarLayer($data1, 0x00c000)->setUseYAxis2(); # Output the chart $c->makeChart("dualyaxis.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 chart my $data0 = [0.05, 0.06, 0.48, 0.1, 0.01, 0.05]; my $data1 = [100, 125, 265, 147, 67, 105]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]; # Create a XYChart object of size 300 x 180 pixels my $c = new XYChart(300, 180); # Set the plot area at (50, 20) and of size 200 x 130 pixels $c->setPlotArea(50, 20, 200, 130); # Add a title to the chart using 8pt Arial Bold font $c->addTitle("Independent Y-Axis Demo", "arialbd.ttf", 8); # Set the labels on the x axis. $c->xAxis()->setLabels($labels); # Add a title to the primary (left) y axis $c->yAxis()->setTitle("Packet Drop Rate (pps)"); # Set the axis, label and title colors for the primary y axis to red (0xc00000) to match the first # data set $c->yAxis()->setColors(0xc00000, 0xc00000, 0xc00000); # Add a title to the secondary (right) y axis $c->yAxis2()->setTitle("Throughtput (MBytes)"); # set the axis, label and title colors for the primary y axis to green (0x008000) to match the # second data set $c->yAxis2()->setColors(0x008000, 0x008000, 0x008000); # Add a line layer to for the first data set using red (0xc00000) color with a line width to 3 # pixels $c->addLineLayer($data0, 0xc00000)->setLineWidth(3); # Add a bar layer to for the second data set using green (0x00C000) color. Bind the second data set # to the secondary (right) y axis $c->addBarLayer($data1, 0x00c000)->setUseYAxis2(); # Output the chart binmode(STDOUT); print "Content-type: image/png\n\n"; print $c->makeChart2($perlchartdir::PNG); |