<?php
require_once("/usr/local/lib/php/20100525/phpchartdir.php");

# the tilt angle of the pie
$angle = (int)($_REQUEST["img"]) * 15;

# The data for the pie chart
$data = array(25, 18, 15, 12, 8, 30, 35);

# Create a PieChart object of size 100 x 110 pixels
$c = new PieChart(100, 110);

# Set the center of the pie at (50, 55) and the radius to 38 pixels
$c->setPieSize(50, 55, 38);

# Set the depth and tilt angle of the 3D pie (-1 means auto depth)
$c->set3D(-1, $angle);

# Add a title showing the tilt angle
$c->addTitle("Tilt = $angle deg", "arial.ttf", 8);

# Set the pie data
$c->setData($data);

# Disable the sector labels by setting the color to Transparent
$c->setLabelStyle("", 8, Transparent);

# Output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));
?>
