| <?php |
| // A simple Polar graph, |
| |
| include "../jpgraph.php"; |
| include "../jpgraph_polar.php"; |
| |
| $data = array(5,1,20,5,30,25,40,60, |
| 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, |
| 150,25,160,5,175,1); |
| $n = count($data); |
| /* |
| for($i=0; $i < $n; $i+=2 ) { |
| $data[$n+$i] = 360-$data[$i]; |
| $data[$n+$i+1] = $data[$i+1]; |
| } |
| */ |
| $graph = new PolarGraph(350,480); |
| $graph->SetScale('log',100); |
| $graph->SetType(POLAR_360); |
| |
| // Hide frame around graph (by setting width=0) |
| $graph->SetFrame(true,'white',1); |
| |
| // Show both major and minor grid lines |
| $graph->axis->ShowGrid(true,true); |
| |
| // Set color for gradient lines |
| $graph->axis->SetGridColor('lightblue:0.9','lightblue:0.9','lightblue:0.9'); |
| |
| // Set label and axis colors |
| $graph->axis->SetColor('black','navy','darkred'); |
| |
| // Draw the ticks on the bottom side of the radius axis |
| $graph->axis->SetTickSide(SIDE_DOWN); |
| |
| // Increase the margin for the labels since we changed the |
| // side of the ticks. |
| $graph->axis->SetLabelMargin(6); |
| |
| // Change fonts |
| $graph->axis->SetFont(FF_ARIAL,FS_NORMAL,8); |
| $graph->axis->SetAngleFont(FF_ARIAL,FS_NORMAL,8); |
| |
| |
| // Setup graph title |
| $graph->title->Set('Polar plot #10'); |
| $graph->title->SetFont(FF_ARIAL,FS_BOLD,16); |
| $graph->title->SetColor('navy'); |
| |
| // Setup tab title |
| $graph->tabtitle->Set('Microphone #1'); |
| $graph->tabtitle->SetColor('brown:0.5','lightyellow'); |
| |
| |
| $p = new PolarPlot($data); |
| $p->SetFillColor('lightblue@0.5'); |
| $p->mark->SetType(MARK_SQUARE); |
| |
| $graph->Add($p); |
| |
| $graph->Stroke(); |
| |
| ?> |