ChartDirector 6.0 (Perl Edition)
Polar Spline 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 chart my $data0 = [5.1, 2.6, 1.5, 2.2, 5.1, 4.3, 4.0, 9.0, 1.7, 8.8, 9.9, 9.5, 9.4, 1.8, 2.1, 2.3, 3.5, 7.7, 8.8, 6.1, 5.0, 3.1, 6.0, 4.3]; my $angles0 = [0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345]; my $data1 = [8.1, 2.5, 5, 5.2, 6.5, 8.5, 9, 7.6, 8.7, 6.4, 5.5, 5.4, 3.0, 8.7, 7.1, 8.8, 7.9, 2.2, 5.0, 4.0, 1.5, 7.5, 8.3, 9.0]; my $angles1 = [0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345]; # Create a PolarChart object of size 460 x 460 pixels my $c = new PolarChart(460, 460); # Add a title to the chart at the top left corner using 15pt Arial Bold Italic font $c->addTitle2($perlchartdir::TopLeft, "<*underline=2*>EM Field Strength", "arialbi.ttf", 15); # Set center of plot area at (230, 240) with radius 180 pixels $c->setPlotArea(230, 240, 180); # Set the grid style to circular grid $c->setGridStyle(0); # Add a legend box at the top right corner of the chart using 9pt Arial Bold font $c->addLegend(459, 0, 1, "arialbd.ttf", 9)->setAlignment($perlchartdir::TopRight); # Set angular axis as 0 - 360, with a spoke every 30 units $c->angularAxis()->setLinearScale(0, 360, 30); # Add a red (0xff9999) spline area layer to the chart using (data0, angles0) $c->addSplineAreaLayer($data0, 0xff9999, "Above 100MHz")->setAngles($angles0); # Add a blue (0xff) spline line layer to the chart using (data1, angle1) my $layer1 = $c->addSplineLineLayer($data1, 0x0000ff, "Below 100MHz"); $layer1->setAngles($angles1); # Set the line width to 3 pixels $layer1->setLineWidth(3); # Output the chart $c->makeChart("polarspline.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 = [5.1, 2.6, 1.5, 2.2, 5.1, 4.3, 4.0, 9.0, 1.7, 8.8, 9.9, 9.5, 9.4, 1.8, 2.1, 2.3, 3.5, 7.7, 8.8, 6.1, 5.0, 3.1, 6.0, 4.3]; my $angles0 = [0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345]; my $data1 = [8.1, 2.5, 5, 5.2, 6.5, 8.5, 9, 7.6, 8.7, 6.4, 5.5, 5.4, 3.0, 8.7, 7.1, 8.8, 7.9, 2.2, 5.0, 4.0, 1.5, 7.5, 8.3, 9.0]; my $angles1 = [0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345]; # Create a PolarChart object of size 460 x 460 pixels my $c = new PolarChart(460, 460); # Add a title to the chart at the top left corner using 15pt Arial Bold Italic font $c->addTitle2($perlchartdir::TopLeft, "<*underline=2*>EM Field Strength", "arialbi.ttf", 15); # Set center of plot area at (230, 240) with radius 180 pixels $c->setPlotArea(230, 240, 180); # Set the grid style to circular grid $c->setGridStyle(0); # Add a legend box at the top right corner of the chart using 9pt Arial Bold font $c->addLegend(459, 0, 1, "arialbd.ttf", 9)->setAlignment($perlchartdir::TopRight); # Set angular axis as 0 - 360, with a spoke every 30 units $c->angularAxis()->setLinearScale(0, 360, 30); # Add a red (0xff9999) spline area layer to the chart using (data0, angles0) $c->addSplineAreaLayer($data0, 0xff9999, "Above 100MHz")->setAngles($angles0); # Add a blue (0xff) spline line layer to the chart using (data1, angle1) my $layer1 = $c->addSplineLineLayer($data1, 0x0000ff, "Below 100MHz"); $layer1->setAngles($angles1); # Set the line width to 3 pixels $layer1->setLineWidth(3); # Output the chart binmode(STDOUT); print "Content-type: image/png\n\n"; print $c->makeChart2($perlchartdir::PNG); |