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site/jpgraph/Examples/bargradex3.php 1.43 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  // Example for use of JpGraph,
  // ljp, 01/03/01 20:32
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_bar.php');
  
  // We need some data
  $datay=array(-0.13,0.25,-0.21,0.35,0.31,0.04);
  $datax=array("Jan","Feb","Mar","Apr","May","June");
  
  // Setup the graph.
  $graph = new Graph(400,200);
  $graph->clearTheme();	
  $graph->img->SetMargin(60,20,30,50);
  $graph->SetScale("textlin");
  $graph->SetMarginColor("silver");
  $graph->SetShadow();
  
  // Set up the title for the graph
  $graph->title->Set("Example negative bars");
  $graph->title->SetFont(FF_VERDANA,FS_NORMAL,16);
  $graph->title->SetColor("darkred");
  
  // Setup font for axis
  $graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
  $graph->yaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
  
  // Show 0 label on Y-axis (default is not to show)
  $graph->yscale->ticks->SupressZeroLabel(false);
  
  // Setup X-axis labels
  $graph->xaxis->SetTickLabels($datax);
  $graph->xaxis->SetLabelAngle(50);
  
  // Set X-axis at the minimum value of Y-axis (default will be at 0)
  $graph->xaxis->SetPos("min");	// "min" will position the x-axis at the minimum value of the Y-axis
  
  // Create the bar pot
  $bplot = new BarPlot($datay);
  $bplot->SetWidth(0.6);
  
  // Setup color for gradient fill style
  $bplot->SetFillGradient("navy","steelblue",GRAD_MIDVER);
  
  // Set color for the frame of each bar
  $bplot->SetColor("navy");
  $graph->Add($bplot);
  
  // Finally send the graph to the browser
  $graph->Stroke();
  ?>