[Sommaire] [Imprimer]

   1  <?php
   2  // Example for use of JpGraph, 

   3  // ljp, 01/03/01 20:32

   4  include  ("../jpgraph.php");
   5  include  ("../jpgraph_bar.php");
   6  
   7  // We need some data

   8  $datay=array(-0.13,0.25,-0.21,0.35,0.31,0.04);
   9  $datax=array("Jan","Feb","Mar","Apr","May","June");
  10  
  11  // Setup the graph. 

  12  $graph = new Graph(400,200,"auto");    
  13  $graph->img->SetMargin(60,20,30,50);
  14  $graph->SetScale("textlin");
  15  $graph->SetMarginColor("silver");
  16  $graph->SetShadow();
  17  
  18  // Set up the title for the graph

  19  $graph->title->Set("Example negative bars");
  20  $graph->title->SetFont(FF_VERDANA,FS_NORMAL,18);
  21  $graph->title->SetColor("darkred");
  22  
  23  // Setup font for axis

  24  $graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,12);
  25  $graph->xaxis->SetColor("black","red");
  26  $graph->yaxis->SetFont(FF_VERDANA,FS_NORMAL,11);
  27  
  28  // Show 0 label on Y-axis (default is not to show)

  29  $graph->yscale->ticks->SupressZeroLabel(false);
  30  
  31  // Setup X-axis labels

  32  $graph->xaxis->SetTickLabels($datax);
  33  $graph->xaxis->SetLabelAngle(50);
  34  
  35  // Create the bar pot

  36  $bplot = new BarPlot($datay);
  37  $bplot->SetWidth(0.6);
  38  
  39  // Setup color for gradient fill style 

  40  $bplot->SetFillGradient("navy","steelblue",GRAD_MIDVER);
  41  
  42  // Set color for the frame of each bar

  43  $bplot->SetColor("navy");
  44  $graph->Add($bplot);
  45  
  46  // Finally send the graph to the browser

  47  $graph->Stroke();
  48  ?>