simpletreemap.php
Back to Chart Graphics
<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
# Data for the tree map
$data = array(25, 18, 15, 12, 8, 30, 35);
# Labels for the tree map
$labels = array("Alpha", "Beta", "Gamma", "Delta", "Epsilon", "Zeta", "Eta");
# Colors for the tree map
$colors = array(0xff5555, 0xff9933, 0xffff44, 0x66ff66, 0x44ccff, 0x6699ee, 0xdd99dd);
# Create a Tree Map object of size 400 x 400 pixels
$c = new TreeMapChart(400, 400);
# Set the plotarea at (10, 10) and of size 380 x 380 pixels
$c->setPlotArea(10, 10, 380, 380);
# Obtain the root of the tree map, which is the entire plot area
$root = $c->getRootNode();
# Add first level nodes to the root.
$root->setData($data, $labels, $colors);
# Get the prototype (template) for the first level nodes.
$nodeConfig = $c->getLevelPrototype(1);
# Set the label format for the nodes to show the label and value with 8pt Arial Bold font in black
# color (000000) and center aligned in the node.
$nodeConfig->setLabelFormat("{label}<*br*>{value}", "Arial Bold", 8, 0x000000, Center);
# Set the node fill color to the provided color and the border color to white (ffffff)
$nodeConfig->setColors(-1, 0xffffff);
# Output the chart
$viewer = new WebChartViewer("chart1");
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "", "title='<*cdml*>{label}: {value}'"));
?>
<!DOCTYPE html>
<html>
<head>
<title>Simple Tree Map Charts</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;">
Simple Tree Map Charts
</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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