[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,16);
  21  $graph->title->SetColor("darkred");
  22  
  23  // Setup font for axis

  24  $graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
  25  $graph->yaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
  26  
  27  // Show 0 label on Y-axis (default is not to show)

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

  31  $graph->xaxis->SetTickLabels($datax);
  32  $graph->xaxis->SetLabelAngle(50);
  33  
  34  // Set X-axis at the minimum value of Y-axis (default will be at 0)

  35  $graph->xaxis->SetPos("min");    // "min" will position the x-axis at the minimum value of the Y-axis

  36  
  37  // Create the bar pot

  38  $bplot = new BarPlot($datay);
  39  $bplot->SetWidth(0.6);
  40  
  41  // Setup color for gradient fill style 

  42  $bplot->SetFillGradient("navy","steelblue",GRAD_MIDVER);
  43  
  44  // Set color for the frame of each bar

  45  $bplot->SetColor("navy");
  46  $graph->Add($bplot);
  47  
  48  // Finally send the graph to the browser

  49  $graph->Stroke();
  50  ?>