ChartDirector Ver 3.1 (PHP Edition Edition)

Multi Radar Chart




This example demonstrates a radar chart with two layers and a number of chart formatting effects.

Source Code Listing

[File: phpdemo/multiradar.php".]
<?php require_once("../lib/phpchartdir.php"); #The data for the chart $data0 = array(90, 60, 85, 75, 55); $data1 = array(60, 80, 70, 80, 85); #The labels for the chart $labels = array("Speed", "Reliability", "Comfort", "Safety", "Efficiency"); #Create a PolarChart object of size 480 x 380 pixels $c = new PolarChart(480, 380); #Set background color to gold (goldGradient), with 1 pixel 3D border effect $c->setBackground($c->gradientColor($goldGradient, 90, 2), Transparent, 1); #Add a title to the chart using 12 pts Arial Bold Italic font. The title text is #white (0xffffff) on a black background $titleObj = $c->addTitle("Space Travel Vehicles Compared", "arialbi.ttf", 12, 0xffffff); $titleObj->setBackground(0x0); #Set center of plot area at (240, 210) with radius 150 pixels $c->setPlotArea(240, 210, 150); #Add a legend box at (5, 30) using 10 pts Arial Bold font. Set the background to #silver (silverGradient), with a black border, and 1 pixel 3D border effect. $legendObj = $c->addLegend(5, 30, true, "arialbd.ttf", 10); $legendObj->setBackground($c->gradientColor($silverGradient, 90, 0.5), 1, 1); #Add an area layer to the chart using semi-transparent blue (0x806666cc). Add a #blue (0x6666cc) line layer using the same data with 3 pixel line width to #highlight the border of the area. $c->addAreaLayer($data0, 0x806666cc, "Ultra Speed"); $lineLayerObj = $c->addLineLayer($data0, 0x6666cc); $lineLayerObj->setLineWidth(3); #Add an area layer to the chart using semi-transparent red (0x80cc6666). Add a #red (0xcc6666) line layer using the same data with 3 pixel line width to #highlight the border of the area. $c->addAreaLayer($data1, 0x80cc6666, "Super Economy"); $lineLayerObj = $c->addLineLayer($data1, 0xcc6666); $lineLayerObj->setLineWidth(3); #Set the labels to the angular axis as spokes. $angularAxisObj = $c->angularAxis(); $angularAxisObj->setLabels($labels); #output the chart header("Content-type: image/png"); print($c->makeChart2(PNG)); ?>