This example demonstrates a 3D donut chart with sector gradient shading. It also demonstrates gradient color background, rounded frame, custom sector colors, and using
CDML and
Parameter Substitution and Formatting to format sector labels
[File: phpdemo/threeddonut.php]
<?php
require_once("../lib/phpchartdir.php");
# The data for the pie chart
$data = array(20, 10, 15, 12);
# The labels for the pie chart
$labels = array("Labor", "Licenses", "Facilities", "Production");
# The colors to use for the sectors
$colors = array(0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff);
# Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep blue
# (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
$c = new PieChart(600, 320);
$c->setBackground($c->linearGradientColor(0, 0, 0, $c->getHeight(), 0x000066, 0x0000cc));
$c->setRoundedFrame(0xffffff, 20);
# Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set top/bottom
# margins to 8 pixels.
$title = $c->addTitle("Donut Chart Demonstration", "Times New Roman Bold Italic", 18, 0xffffff);
$title->setMargin2(0, 0, 8, 8);
# Add a separator line in white color just under the title
$c->addLine(10, $title->getHeight(), $c->getWidth() - 11, $title->getHeight(), 0xffffff);
# Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
$c->setDonutSize(300, 170, 120, 60);
# Draw the pie in 3D with a pie thickness of 25 pixels
$c->set3D(25);
# Set the pie data and the pie labels
$c->setData($data, $labels);
# Set the sector colors
$c->setColors2(DataColor, $colors);
# Use local gradient shading for the sectors
$c->setSectorStyle(LocalGradientShading);
# Set sector border color to same as fill color. Set label join line color to white (ffffff)
$c->setLineColor(SameAsMainColor, 0xffffff);
# Use the side label layout method, with the labels positioned 16 pixels from the donut bounding box
$c->setLabelLayout(SideLayout, 16);
# Set the sector label format. The label consists of two lines. The first line is the sector name in
# Times Bold Italic font and is underlined. The second line shows the data value and percentage.
$c->setLabelFormat(
"<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>{label}<*/font*>".
"<*br*>US\$ {value}K ({percent}%)");
# Set the label box background color the same as the sector color. Use soft lighting effect with
# light direction from right. Use rounded corners.
$t = $c->setLabelStyle();
$t->setBackground(SameAsMainColor, Transparent, softLighting(Right));
$t->setRoundedCorners();
# Output the chart
$viewer = new WebChartViewer("chart1");
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "", "title='{label}: US\${value}K ({percent}%)'"));
?>
<!DOCTYPE html>
<html>
<head>
<title>3D Donut Chart</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;">
3D Donut Chart
</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>
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