[Sommaire] [Imprimer]

   1  <?php
   2  // A simple Polar graph,
   3  
   4  include  "../jpgraph.php";
   5  include  "../jpgraph_polar.php";
   6  
   7  $data = array(5,1,20,5,30,25,40,60,
   8            50,110,60,160,70,210,75,230,80,260,85,370,
   9            90,480,
  10            95,370,100,260,105,230,
  11            110,210,120,160,130,110,140,60,
  12            150,25,160,5,175,1);
  13  $n = count($data);
  14  /*
  15  for($i=0; $i < $n; $i+=2 ) {
  16      $data[$n+$i] = 360-$data[$i];
  17      $data[$n+$i+1] = $data[$i+1];
  18  }
  19  */
  20  $graph = new PolarGraph(350,480);
  21  $graph->SetScale('log',100);
  22  $graph->SetType(POLAR_360);
  23  
  24  // Hide frame around graph (by setting width=0)
  25  $graph->SetFrame(true,'white',1);
  26  
  27  // Show both major and minor grid lines
  28  $graph->axis->ShowGrid(true,true);
  29  
  30  // Set color for gradient lines
  31  $graph->axis->SetGridColor('lightblue:0.9','lightblue:0.9','lightblue:0.9');
  32  
  33  // Set label and axis colors
  34  $graph->axis->SetColor('black','navy','darkred');
  35  
  36  // Draw the ticks on the bottom side of the radius axis
  37  $graph->axis->SetTickSide(SIDE_DOWN);
  38  
  39  // Increase the margin for the labels since we changed the
  40  // side of the ticks.
  41  $graph->axis->SetLabelMargin(6);
  42  
  43  // Change fonts
  44  $graph->axis->SetFont(FF_ARIAL,FS_NORMAL,8);
  45  $graph->axis->SetAngleFont(FF_ARIAL,FS_NORMAL,8);
  46  
  47  
  48  // Setup graph title
  49  $graph->title->Set('Polar plot #10');
  50  $graph->title->SetFont(FF_ARIAL,FS_BOLD,16);
  51  $graph->title->SetColor('navy');
  52  
  53  // Setup tab title
  54  $graph->tabtitle->Set('Microphone #1');
  55  $graph->tabtitle->SetColor('brown:0.5','lightyellow');
  56  
  57  
  58  $p = new PolarPlot($data);
  59  $p->SetFillColor('lightblue@0.5');
  60  $p->mark->SetType(MARK_SQUARE);
  61  
  62  $graph->Add($p);
  63  
  64  $graph->Stroke();
  65  
  66  ?>