extranet/www/graphs/phpdemo/anglepie.php

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<?php
require_once("../lib/phpchartdir.php");
# query string to determine the starting angle and direction
$angle = 0;
$clockwise = true;
if ($_REQUEST["img"] != "0") {
$angle = 90;
$clockwise = false;
}
# The data for the pie chart
$data = array(25, 18, 15, 12, 8, 30, 35);
# The labels for the pie chart
$labels = array("Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities",
"Production");
# Create a PieChart object of size 280 x 240 pixels
$c = new PieChart(280, 240);
# Set the center of the pie at (140, 130) and the radius to 80 pixels
$c->setPieSize(140, 130, 80);
# Add a title to the pie to show the start angle and direction
if ($clockwise) {
$c->addTitle("Start Angle = $angle degrees\nDirection = Clockwise");
} else {
$c->addTitle("Start Angle = $angle degrees\nDirection = AntiClockwise");
}
# Set the pie start angle and direction
$c->setStartAngle($angle, $clockwise);
# Draw the pie in 3D
$c->set3D();
# Set the pie data and the pie labels
$c->setData($data, $labels);
# Explode the 1st sector (index = 0)
$c->setExplode(0);
# output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));
?>