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

# This script can draw different charts depending on the chartIndex
$chartIndex = (int)($_REQUEST["img"]);

# The data for the pyramid chart
$data = array(156, 123, 211, 179);

# The semi-transparent colors for the pyramid layers
$colors = array(0x400000cc, 0x4066aaee, 0x40ffbb00, 0x40ee6622);

# The rotation angle
$angle = $chartIndex * 15;

# Create a PyramidChart object of size 200 x 200 pixels, with white (ffffff) background and grey
# (888888) border
$c = new PyramidChart(200, 200, 0xffffff, 0x888888);

# Set the pyramid center at (100, 100), and width x height to 60 x 120 pixels
$c->setPyramidSize(100, 100, 60, 120);

# Set the elevation to 15 degrees and use the given rotation angle
$c->addTitle("Rotation = $angle", "ariali.ttf", 15);
$c->setViewAngle(15, $angle);

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

# Set the layer colors to the given colors
$c->setColors2(DataColor, $colors);

# Leave 1% gaps between layers
$c->setLayerGap(0.01);

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