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site/jpgraph/Examples/basic_contourex01.php 1.1 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  // Basic contour plot example
  
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_contour.php');
  
  $data = array(
              array (0.5,1.1,1.5,1,2.0,3,3,2,1,0.1),
              array (1.0,1.5,3.0,5,6.0,2,1,1.2,1,4),
              array (0.9,2.0,2.1,3,6.0,7,3,2,1,1.4),
              array (1.0,1.5,3.0,4,6.0,5,2,1.5,1,2),
              array (0.8,2.0,3.0,3,4.0,4,3,2.4,2,3),
              array (0.6,1.1,1.5,1,4.0,3.5,3,2,3,4),
              array (1.0,1.5,3.0,5,6.0,2,1,1.2,2.7,4),
              array (0.8,2.0,3.0,3,5.5,6,3,2,1,1.4),
              array (1.0,1.5,3.0,4,6.0,5,2,1,0.5,0.2));
  
  // Basic contour graph
  $graph = new Graph(350,250);
  $graph->SetScale('intint');
  
  // Adjust the margins to fit the margin
  $graph->SetMargin(30,100,40,30);
  
  // Setup
  $graph->title->Set('Basic contour plot');
  $graph->title->SetFont(FF_ARIAL,FS_BOLD,12);
  
  // A simple contour plot with default arguments (e.g. 10 isobar lines)
  $cp = new ContourPlot($data);
  
  // Display the legend
  $cp->ShowLegend();
  
  $graph->Add($cp);
  
  // ... and send the graph back to the browser
  $graph->Stroke();
  
  ?>