source: trunk/xgraph/jpgraph/Examples/pielabelsex2.php

<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_pie.php');

$data = array(19,12,4,3,3,12,3,3,5,6,7,8,8,1,7,2,2,4,6,8,21,23,2,2,12);

// Create the Pie Graph.
$graph = new PieGraph(300,350);

// Set A title for the plot
$graph->title->Set("Label guide lines");
$graph->title->SetFont(FF_VERDANA,FS_BOLD,12); 
$graph->title->SetColor("darkblue");
$graph->legend->Pos(0.1,0.2);


// Create pie plot
$p1 = new PiePlot($data);
$p1->SetCenter(0.5,0.55);
$p1->SetSize(0.3);

// Enable and set policy for guide-lines. Make labels line up vertically
$p1->SetGuideLines(true,false);
$p1->SetGuideLinesAdjust(1.5);

// Setup the labels
$p1->SetLabelType(PIE_VALUE_PER);       
$p1->value->Show();                     
$p1->value->SetFont(FF_ARIAL,FS_NORMAL,9);      
$p1->value->SetFormat('%2.1f%%');               

// Add and stroke
$graph->Add($p1);
$graph->Stroke();

?>