JpGraph PHP Cross Reference Developer Tools

Source: /Examples/contour2_ex2.php - 51 lines - 1081 bytes - Text - Print

   1  <?php // content="text/plain; charset=utf-8"
   2  
   3  require_once ('jpgraph/jpgraph.php');
   4  require_once ('jpgraph/jpgraph_contourf.php');
   5  
   6  // Setup some data to use for the contour
   7  $data = array(
   8      array (12,12,10,10),
   9      array (10,10,8,14),
  10      array (7,7,13,17),
  11      array (4,5,8,12),
  12      array (10,8,7,8));
  13  
  14  // create a basic graph as a container
  15  $graph = new Graph(300,300);
  16  $graph->SetMargin(30, 30, 40, 30);
  17  $graph->SetScale('intint');
  18  $graph->SetMarginColor('white');
  19  
  20  // Setup title of graph
  21  $graph->title->Set('Filled contour plot');
  22  $graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
  23  
  24  $graph->subtitle->Set('(No lines, no labels)');
  25  $graph->subtitle->SetFont(FF_VERDANA,FS_ITALIC,10);
  26  
  27  // Create a new contour plot
  28  $cp = new FilledContourPlot($data);
  29  
  30  // Use only blue/red color schema
  31  $cp->UseHighContrastColor(true);
  32  
  33  // Flip visually 
  34  $cp->SetInvert();
  35  
  36  // Fill the contours
  37  $cp->SetFilled(true);
  38  
  39  // No labels
  40  $cp->ShowLabels(false);
  41  
  42  // No lines
  43  $cp->ShowLines(false);
  44  
  45  // And add the plot to the graph
  46  $graph->Add($cp);
  47  
  48  // Send it back to the client
  49  $graph->stroke();
  50  
  51  ?>

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