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site/jpgraph/Examples/polarex7-2.php 1.27 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  // A simple Polar graph,
  
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/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();
  
  ?>