polarex4.php
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<?php // content="text/plain; charset=utf-8"
// A simple Polar graph, example 2
 
include "jpgraph/jpgraph.php";
include "jpgraph/jpgraph_polar.php";
 
 
$data = array(0,1,10,2,30,25,40,60,
          50,110,60,160,70,210,75,230,80,260,
          85,270,90,280,
          95,270,100,260,105,230,
          110,210,120,160,130,110,140,60,
          150,25,170,2,180,1);
 
 
$graph = new PolarGraph(300,350);
$graph->SetScale('log');
 
$graph->title->Set('Polar plot #4');
$graph->title->SetFont(FF_FONT2,FS_BOLD);
$graph->title->SetColor('navy');
 
// Hide last labels on the Radius axis
// They intersect with the box otherwise
$graph->axis->HideLastTickLabel();
 
$p = new PolarPlot($data);
$p->SetFillColor('lightred@0.5');
 
$graph->Add($p);
 
$graph->Stroke();
 
?>