| <?php |
| // A simple Polar graph, |
| |
| include "../jpgraph.php"; |
| include "../jpgraph_polar.php"; |
| |
| |
| $data = array(0,1,30,2,30,25,40,60, |
| 50,110,60,160,70,210,75,230,80,260,85,370, |
| 90,480, |
| 95,370,100,260,105,230, |
| 110,210,120,160,130,110,140,60, |
| 150,25,150,2,180,1); |
| |
| $n = count($data); |
| for($i=0; $i < $n; $i+=2 ) { |
| $data[$n+$i] = 360-$data[$i]; |
| $data[$n+$i+1] = $data[$i+1]; |
| } |
| |
| |
| $graph = new PolarGraph(300,400); |
| $graph->SetScale('log',100); |
| $graph->SetType(POLAR_360); |
| $graph->SetPlotSize(220,300); |
| |
| // Hide frame around graph (by setting width=0) |
| $graph->SetFrame(true,'white',1); |
| |
| $graph->SetBackgroundGradient('blue:1.3','brown:1.4',GRAD_MIDHOR,BGRAD_PLOT); |
| |
| // Set color for gradient lines |
| $graph->axis->SetGridColor('gray','gray','gray'); |
| |
| $graph->title->Set('Polar plot #7-2'); |
| $graph->title->SetFont(FF_ARIAL,FS_BOLD,16); |
| $graph->title->SetColor('navy'); |
| |
| // Adjust legen box position and color |
| $graph->legend->SetColor('navy','darkgray'); |
| $graph->legend->SetFillColor('white'); |
| $graph->legend->SetShadow('darkgray@0.5',5); |
| |
| $p = new PolarPlot($data); |
| $p->SetFillColor('yellow@0.6'); |
| $p->mark->SetType(MARK_SQUARE); |
| $p->SetLegend("Mirophone #1\n(No amps)"); |
| |
| $graph->Add($p); |
| |
| $graph->Stroke(); |
| |
| ?> |