circlelabelpie.php
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<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
function createChart($viewer, $chartIndex)
{
# The data for the pie chart
$data = array(42, 18, 8);
# The labels for the pie chart
$labels = array("Agree", "Disagree", "Not Sure");
# The colors to use for the sectors
$colors = array(0x66ff66, 0xff6666, 0xffff00);
# Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color from
# blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners and soft
# drop shadow.
$c = new PieChart(300, 300);
$c->setBackground($c->linearGradientColor(0, 0, 0, $c->getHeight() / 2, 0xaaccff, 0xffffff),
0x888888);
$c->setRoundedFrame();
$c->setDropShadow();
if ($chartIndex == 0) {
#============================================================
# Draw a pie chart where the label is on top of the pie
#============================================================
# Set the center of the pie at (150, 150) and the radius to 120 pixels
$c->setPieSize(150, 150, 120);
# Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
# inside the pie)
$c->setLabelPos(-40);
} else {
#============================================================
# Draw a pie chart where the label is outside the pie
#============================================================
# Set the center of the pie at (150, 150) and the radius to 80 pixels
$c->setPieSize(150, 150, 80);
# Set the sector label position to be 20 pixels from the pie. Use a join line to connect the
# labels to the sectors.
$c->setLabelPos(20, LineColor);
}
# Set the pie data and the pie labels
$c->setData($data, $labels);
# Set the sector colors
$c->setColors2(DataColor, $colors);
# Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
$c->setSectorStyle(LocalGradientShading, 0xbb000000, 1);
# Output the chart
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
"title='{label}: {value} responses ({percent}%)'"));
}
# This example includes 2 charts
$viewers = array();
for ($i = 0; $i < 2; ++$i) {
$viewers[$i] = new WebChartViewer("chart$i");
createChart($viewers[$i], $i);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Circular Label Layout</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Circular Label Layout
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
</div>
<!-- ****** Here are the chart images ****** -->
<?php
for ($i = 0; $i < count($viewers); ++$i) {
echo $viewers[$i]->renderHTML(), " ";
}
?>
</body>
</html>
]]>