missingpoints.php
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<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
# The data for the chart
$data0 = array(42, 49, NoValue, 38, 64, 56, 29, 41, 44, 57);
$data1 = array(65, 75, 47, 34, 42, 49, 73, NoValue, 90, 69, 66, 78);
$data2 = array(NoValue, NoValue, 25, 28, 38, 20, 22, NoValue, 25, 33, 30, 24);
$labels = array("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.
$c = new XYChart(600, 360, brushedSilverColor(), Transparent, 2);
$c->setRoundedFrame();
# Add a title using 18pt Times New Roman Bold Italic font. #Set top/bottom margins to 6 pixels.
$title = $c->addTitle("Product Line Global Revenue", "Times New Roman Bold Italic", 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(), 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.
$legendBox = $c->addLegend($c->getWidth() / 2, $title->getHeight(), false, "Arial Bold", 10);
$legendBox->setAlignment(TopCenter);
$legendBox->setBackground(Transparent, 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, 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(Transparent);
$c->yAxis->setColors(Transparent);
$c->yAxis2->setColors(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("Arial Bold", 8);
$c->yAxis->setLabelStyle("Arial Bold", 8);
$c->yAxis2->setLabelStyle("Arial Bold", 8);
# Add axis title using 10pt Arial Bold Italic font
$c->yAxis->setTitle("Revenue in USD millions", "Arial Bold Italic", 10);
$c->yAxis2->setTitle("Revenue in USD millions", "Arial Bold Italic", 10);
# Add the first line. The missing data will be represented as gaps in the line (the default
# behaviour)
$layer0 = $c->addLineLayer2();
$layer0->addDataSet($data0, 0xff0000, "Quantum Computer")->setDataSymbol(GlassSphere2Shape, 11);
$layer0->setLineWidth(3);
# Add the second line. The missing data will be represented by using dash lines to bridge the gap
$layer1 = $c->addLineLayer2();
$layer1->addDataSet($data1, 0x00ff00, "Atom Synthesizer")->setDataSymbol(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.
$layer2 = $c->addLineLayer2();
$layer2->addDataSet($data2, 0xff6600, "Proton Cannon")->setDataSymbol(GlassSphere2Shape, 11);
$layer2->setLineWidth(3);
$layer2->setGapColor(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
$viewer = new WebChartViewer("chart1");
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
"title='Revenue of {dataSetName} in {xLabel}: US\$ {value}M'"));
?>
<!DOCTYPE html>
<html>
<head>
<title>Missing Data Points</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Missing Data Points
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
</div>
<!-- ****** Here is the chart image ****** -->
<?php echo $viewer->renderHTML(); ?>
</body>
</html>
]]>