[Sommaire] [Imprimer]

   1  <?php
   2  // $Id: piec_csimex1.php,v 1.1.2.1 2003/10/09 21:05:39 aditus Exp $
   3  // Example of pie with center circle
   4  include  ("../jpgraph.php");
   5  include  ("../jpgraph_pie.php");
   6  
   7  // Some data
   8  $data = array(50,28,25,27,31,20);
   9  
  10  // A new pie graph
  11  $graph = new PieGraph(400,400);
  12  
  13  // If you don't want any  border just uncomment this line
  14  // $graph->SetFrame(false);
  15  
  16  // Uncomment this line to add a drop shadow to the border
  17  // $graph->SetShadow();
  18  
  19  // Setup title
  20  $graph->title->Set("CSIM Center Pie plot ex 1");
  21  $graph->title->SetFont(FF_ARIAL,FS_BOLD,18);
  22  $graph->title->SetMargin(8); // Add a little bit more margin from the top
  23  
  24  // Create the pie plot
  25  $p1 = new PiePlotC($data);
  26  
  27  // Set the radius of pie (as fraction of image size)
  28  $p1->SetSize(0.32);
  29  
  30  // Move the center of the pie slightly to the top of the image
  31  $p1->SetCenter(0.5,0.45);
  32  
  33  // Label font and color setup
  34  $p1->value->SetFont(FF_ARIAL,FS_BOLD,12);
  35  $p1->value->SetColor('white');
  36  
  37  // Setup the title on the center circle
  38  $p1->midtitle->Set("Test mid\nRow 1\nRow 2");
  39  $p1->midtitle->SetFont(FF_ARIAL,FS_NORMAL,14);
  40  
  41  // Set color for mid circle
  42  $p1->SetMidColor('yellow');
  43  
  44  // Use percentage values in the legends values (This is also the default)
  45  $p1->SetLabelType(PIE_VALUE_PER);
  46  
  47  // The label array values may have printf() formatting in them. The argument to the
  48  // form,at string will be the value of the slice (either the percetage or absolute
  49  // depending on what was specified in the SetLabelType() above.
  50  $lbl = array("adam\n%.1f%%","bertil\n%.1f%%","johan\n%.1f%%",
  51           "peter\n%.1f%%","daniel\n%.1f%%","erik\n%.1f%%");
  52  $p1->SetLabels($lbl);
  53  
  54  // Uncomment this line to remove the borders around the slices
  55  // $p1->ShowBorder(false);
  56  
  57  // Add drop shadow to slices
  58  $p1->SetShadow();
  59  
  60  // Explode all slices 15 pixels
  61  $p1->ExplodeAll(15);
  62  
  63  // Setup the CSIM targets
  64  $targ=array("piec_csimex1.php#1","piec_csimex1.php#2","piec_csimex1.php#3",
  65          "piec_csimex1.php#4","piec_csimex1.php#5","piec_csimex1.php#6");
  66  $alts=array("val=%d","val=%d","val=%d","val=%d","val=%d","val=%d");
  67  $p1->SetCSIMTargets($targ,$alts);
  68  $p1->SetMidCSIM("piec_csimex1.php#7","Center");
  69  
  70  
  71  // Setup a small help text in the image
  72  $txt = new Text("Note: This is an example of image map. Hold\nyour mouse over the slices to see the values.\nThe URL just points back to this page");
  73  $txt->SetFont(FF_FONT1,FS_BOLD);
  74  $txt->Pos(0.5,0.97,'center','bottom');
  75  $txt->SetBox('yellow','black');
  76  $txt->SetShadow();
  77  $graph->AddText($txt);
  78  
  79  // Add plot to pie graph
  80  $graph->Add($p1);
  81  
  82  // .. and send the image on it's marry way to the browser
  83  $graph->StrokeCSIM('piec_csimex1.php');
  84  
  85  ?>
  86  
  87