donutwidth.php
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<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
function createChart($viewer, $chartIndex)
{
# Determine the donut inner radius (as percentage of outer radius) based on input parameter
$donutRadius = $chartIndex * 25;
# The data for the pie chart
$data = array(10, 10, 10, 10, 10);
# The labels for the pie chart
$labels = array("Marble", "Wood", "Granite", "Plastic", "Metal");
# Create a PieChart object of size 150 x 120 pixels, with a grey (EEEEEE) background, black
# border and 1 pixel 3D border effect
$c = new PieChart(150, 120, 0xeeeeee, 0x000000, 1);
# Set donut center at (75, 65) and the outer radius to 50 pixels. Inner radius is computed
# according donutWidth
$c->setDonutSize(75, 60, 50, (int)(50 * $donutRadius / 100));
# Add a title to show the donut width
$c->addTitle("Inner Radius = " . $donutRadius . " %", "Arial", 10)->setBackground(0xcccccc, 0);
# Draw the pie in 3D
$c->set3D(12);
# Set the pie data and the pie labels
$c->setData($data, $labels);
# Disable the sector labels by setting the color to Transparent
$c->setLabelStyle("", 8, Transparent);
# Output the chart
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "", "title='{label}: {value}kg ({percent}%)'"));
}
# This example includes 5 charts
$viewers = array();
for ($i = 0; $i < 5; ++$i) {
$viewers[$i] = new WebChartViewer("chart$i");
createChart($viewers[$i], $i);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Donut Width</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Donut Width
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
</div>
<!-- ****** Here are the chart images ****** -->
<?php
for ($i = 0; $i < count($viewers); ++$i) {
echo $viewers[$i]->renderHTML(), " ";
}
?>
</body>
</html>
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