ChartDirector 6.0 (Perl Edition)
Missing Data Points
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 = [42, 49, $perlchartdir::NoValue, 38, 64, 56, 29, 41, 44, 57]; my $data1 = [65, 75, 47, 34, 42, 49, 73, $perlchartdir::NoValue, 90, 69, 66, 78]; my $data2 = [$perlchartdir::NoValue, $perlchartdir::NoValue, 25, 28, 38, 20, 22, $perlchartdir::NoValue, 25, 33, 30, 24]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; # Create a XYChart object of size 600 x 360 pixels. Set background color to brushed silver, with a 2 # pixel 3D border. Use rounded corners. my $c = new XYChart(600, 360, perlchartdir::brushedSilverColor(), $perlchartdir::Transparent, 2); $c->setRoundedFrame(); # Add a title using 18pt Times New Roman Bold Italic font. #Set top/bottom margins to 6 pixels. my $title = $c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18); $title->setMargin2(0, 0, 6, 6); # Add a separator line just under the title $c->addLine(10, $title->getHeight(), $c->getWidth() - 11, $title->getHeight(), $perlchartdir::LineColor); # Add a legend box where the top-center is anchored to the horizontal center of the chart, just # under the title. Use horizontal layout and 10 points Arial Bold font, and transparent background # and border. my $legendBox = $c->addLegend($c->getWidth() / 2, $title->getHeight(), 0, "arialbd.ttf", 10); $legendBox->setAlignment($perlchartdir::TopCenter); $legendBox->setBackground($perlchartdir::Transparent, $perlchartdir::Transparent); # Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use transparent border # and black (000000) grid lines $c->setPlotArea(70, 75, 460, 240, -1, -1, $perlchartdir::Transparent, 0x000000, -1); # Set the x axis labels $c->xAxis()->setLabels($labels); # Show the same scale on the left and right y-axes $c->syncYAxis(); # Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this as the guideline # when putting ticks on the y-axis. $c->yAxis()->setTickDensity(30); # Set all axes to transparent $c->xAxis()->setColors($perlchartdir::Transparent); $c->yAxis()->setColors($perlchartdir::Transparent); $c->yAxis2()->setColors($perlchartdir::Transparent); # Set the x-axis margins to 15 pixels, so that the horizontal grid lines can extend beyond the # leftmost and rightmost vertical grid lines $c->xAxis()->setMargin(15, 15); # Set axis label style to 8pt Arial Bold $c->xAxis()->setLabelStyle("arialbd.ttf", 8); $c->yAxis()->setLabelStyle("arialbd.ttf", 8); $c->yAxis2()->setLabelStyle("arialbd.ttf", 8); # Add axis title using 10pt Arial Bold Italic font $c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10); $c->yAxis2()->setTitle("Revenue in USD millions", "arialbi.ttf", 10); # Add the first line. The missing data will be represented as gaps in the line (the default # behaviour) my $layer0 = $c->addLineLayer2(); $layer0->addDataSet($data0, 0xff0000, "Quantum Computer")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer0->setLineWidth(3); # Add the second line. The missing data will be represented by using dash lines to bridge the gap my $layer1 = $c->addLineLayer2(); $layer1->addDataSet($data1, 0x00ff00, "Atom Synthesizer")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer1->setLineWidth(3); $layer1->setGapColor($c->dashLineColor(0x00ff00)); # Add the third line. The missing data will be ignored - just join the gap with the original line # style. my $layer2 = $c->addLineLayer2(); $layer2->addDataSet($data2, 0xff6600, "Proton Cannon")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer2->setLineWidth(3); $layer2->setGapColor($perlchartdir::SameAsMainColor); # layout the legend so we can get the height of the legend box $c->layoutLegend(); # Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 pixels from the # left edge, just under the legend box, 16 pixels from the right edge, and 25 pixels from the bottom # edge. $c->packPlotArea(15, $legendBox->getTopY() + $legendBox->getHeight(), $c->getWidth() - 16, $c->getHeight() - 25); # Output the chart $c->makeChart("missingpoints.jpg") |
#!/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 = [42, 49, $perlchartdir::NoValue, 38, 64, 56, 29, 41, 44, 57]; my $data1 = [65, 75, 47, 34, 42, 49, 73, $perlchartdir::NoValue, 90, 69, 66, 78]; my $data2 = [$perlchartdir::NoValue, $perlchartdir::NoValue, 25, 28, 38, 20, 22, $perlchartdir::NoValue, 25, 33, 30, 24]; my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; # Create a XYChart object of size 600 x 360 pixels. Set background color to brushed silver, with a 2 # pixel 3D border. Use rounded corners. my $c = new XYChart(600, 360, perlchartdir::brushedSilverColor(), $perlchartdir::Transparent, 2); $c->setRoundedFrame(); # Add a title using 18pt Times New Roman Bold Italic font. #Set top/bottom margins to 6 pixels. my $title = $c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18); $title->setMargin2(0, 0, 6, 6); # Add a separator line just under the title $c->addLine(10, $title->getHeight(), $c->getWidth() - 11, $title->getHeight(), $perlchartdir::LineColor); # Add a legend box where the top-center is anchored to the horizontal center of the chart, just # under the title. Use horizontal layout and 10 points Arial Bold font, and transparent background # and border. my $legendBox = $c->addLegend($c->getWidth() / 2, $title->getHeight(), 0, "arialbd.ttf", 10); $legendBox->setAlignment($perlchartdir::TopCenter); $legendBox->setBackground($perlchartdir::Transparent, $perlchartdir::Transparent); # Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use transparent border # and black (000000) grid lines $c->setPlotArea(70, 75, 460, 240, -1, -1, $perlchartdir::Transparent, 0x000000, -1); # Set the x axis labels $c->xAxis()->setLabels($labels); # Show the same scale on the left and right y-axes $c->syncYAxis(); # Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this as the guideline # when putting ticks on the y-axis. $c->yAxis()->setTickDensity(30); # Set all axes to transparent $c->xAxis()->setColors($perlchartdir::Transparent); $c->yAxis()->setColors($perlchartdir::Transparent); $c->yAxis2()->setColors($perlchartdir::Transparent); # Set the x-axis margins to 15 pixels, so that the horizontal grid lines can extend beyond the # leftmost and rightmost vertical grid lines $c->xAxis()->setMargin(15, 15); # Set axis label style to 8pt Arial Bold $c->xAxis()->setLabelStyle("arialbd.ttf", 8); $c->yAxis()->setLabelStyle("arialbd.ttf", 8); $c->yAxis2()->setLabelStyle("arialbd.ttf", 8); # Add axis title using 10pt Arial Bold Italic font $c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10); $c->yAxis2()->setTitle("Revenue in USD millions", "arialbi.ttf", 10); # Add the first line. The missing data will be represented as gaps in the line (the default # behaviour) my $layer0 = $c->addLineLayer2(); $layer0->addDataSet($data0, 0xff0000, "Quantum Computer")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer0->setLineWidth(3); # Add the second line. The missing data will be represented by using dash lines to bridge the gap my $layer1 = $c->addLineLayer2(); $layer1->addDataSet($data1, 0x00ff00, "Atom Synthesizer")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer1->setLineWidth(3); $layer1->setGapColor($c->dashLineColor(0x00ff00)); # Add the third line. The missing data will be ignored - just join the gap with the original line # style. my $layer2 = $c->addLineLayer2(); $layer2->addDataSet($data2, 0xff6600, "Proton Cannon")->setDataSymbol( $perlchartdir::GlassSphere2Shape, 11); $layer2->setLineWidth(3); $layer2->setGapColor($perlchartdir::SameAsMainColor); # layout the legend so we can get the height of the legend box $c->layoutLegend(); # Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 pixels from the # left edge, just under the legend box, 16 pixels from the right edge, and 25 pixels from the bottom # edge. $c->packPlotArea(15, $legendBox->getTopY() + $legendBox->getHeight(), $c->getWidth() - 16, $c->getHeight() - 25); # Output the chart binmode(STDOUT); print "Content-type: image/jpeg\n\n"; print $c->makeChart2($perlchartdir::JPG); |