This example demonstrates viewing the pyramid at different elevation angles, configured with PyramidChart.setViewAngle.
ChartDirector 6.0 (PHP Edition)
Pyramid Elevation
Source Code Listing
<?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 colors for the pyramid layers
$colors = array(0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff);
# The elevation 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 angle
$c->addTitle("Elevation = $angle", "ariali.ttf", 15);
$c->setViewAngle($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));
?> |