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site/jpgraph/Examples/piebkgex1.php 2.04 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_pie.php');
  require_once ('jpgraph/jpgraph_pie3d.php');
  
  // Some data
  $data = array(
      array(80,18,15,17),
      array(35,28,6,34),
      array(10,28,10,5),
      array(22,22,10,17));
  
  $piepos = array(0.2,0.4,0.65,0.28,0.25,0.75,0.8,0.75);
  $titles = array('USA','Sweden','South America','Australia');
  
  $n = count($piepos)/2;
   
  // A new graph
  $graph = new PieGraph(550,400,'auto');
  
  // Specify margins since we put the image in the plot area
  $graph->SetMargin(1,1,40,1);
  $graph->SetMarginColor('navy');
  $graph->SetShadow(false);
  
  // Setup background
  $graph->SetBackgroundImage('worldmap1.jpg',BGIMG_FILLPLOT);
  
  // Setup title
  $graph->title->Set("Pie plots with background image");
  $graph->title->SetFont(FF_ARIAL,FS_BOLD,20);
  $graph->title->SetColor('white');
  
  $p = array();
  // Create the plots
  for( $i=0; $i < $n; ++$i ) {
      $d = "data$i";
      $p[] = new PiePlot3D($data[$i]);
  }
  
  // Position the four pies
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->SetCenter($piepos[2*$i],$piepos[2*$i+1]);
  }
  
  // Set the titles
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->title->Set($titles[$i]);
      $p[$i]->title->SetColor('white');
      $p[$i]->title->SetFont(FF_ARIAL,FS_BOLD,12);
  }
  
  // Label font and color setup
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->value->SetFont(FF_ARIAL,FS_BOLD);
      $p[$i]->value->SetColor('white');
  }
  
  // Show the percetages for each slice
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->value->Show();
  }
  
  // Label format
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->value->SetFormat("%01.1f%%");
  }
  
  // Size of pie in fraction of the width of the graph
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->SetSize(0.15);
  }
  
  // Format the border around each slice
  
  
  for( $i=0; $i < $n; ++$i ) {
      $p[$i]->SetEdge(false);
      $p[$i]->ExplodeSlice(1);
  }
  
  // Use one legend for the whole graph
  $p[0]->SetLegends(array("May","June","July","Aug"));
  $graph->legend->Pos(0.05,0.35);
  $graph->legend->SetShadow(false);
  
  for( $i=0; $i < $n; ++$i ) {
      $graph->Add($p[$i]);
  }
  
  $graph->Stroke();
  ?>