Example #8 - Creating a filled radar graph
This example shows how to create a simple filled radar graph containing two data series. Data are manualy
set using the AddPoint() method of the
pData class.
The first step consist in calling the drawRadarAxis()
function to prepare the graph area by drawing the Axis. You can specify the MaxValue or keep the automatic scaling mode.
The first step consist in calling the drawFilledRadar()
function to draw the radar graph over the Axis layer with a transparency of 60%. ( default is 50% )
Running this script will create a example8.png file in the current directory.
|
|
|
Source code :
<?php
// Standard inclusions
include("pChart/pData.class");
include("pChart/pChart.class");
// Dataset definition
$DataSet = new pData;
$DataSet->AddPoint(array("Memory","Disk","Network","Slots","CPU"),"Label");
$DataSet->AddPoint(array(1,2,3,4,3),"Serie1");
$DataSet->AddPoint(array(1,4,2,6,2),"Serie2");
$DataSet->AddSerie("Serie1");
$DataSet->AddSerie("Serie2");
$DataSet->SetAbsciseLabelSerie("Label");
$DataSet->SetSerieName("Reference","Serie1");
$DataSet->SetSerieName("Tested computer","Serie2");
// Initialise the graph
$Test = new pChart(400,400);
$Test->setFontProperties("Fonts/tahoma.ttf",8);
$Test->drawFilledRoundedRectangle(7,7,393,393,5,240,240,240);
$Test->drawRoundedRectangle(5,5,395,395,5,230,230,230);
$Test->setGraphArea(30,30,370,370);
$Test->drawFilledRoundedRectangle(30,30,370,370,5,255,255,255);
$Test->drawRoundedRectangle(30,30,370,370,5,220,220,220);
// Draw the radar graph
$Test->drawRadarAxis($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE,20,120,120,120,230,230,230);
$Test->drawFilledRadar($DataSet->GetData(),$DataSet->GetDataDescription(),50,20);
// Finish the graph
$Test->drawLegend(15,15,$DataSet->GetDataDescription(),255,255,255);
$Test->setFontProperties("Fonts/tahoma.ttf",10);
$Test->drawTitle(0,22,"Example 8",50,50,50,400);
$Test->Render("example8.png");
?>
|
 |
If you want to send the picture directly in a browser, replace the Render() command by Stroke(). |
|
 |
Last updated on 05/27/2008 |
