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site/jpgraph/Examples/alphabarex1.php 2.04 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_bar.php');
  
  // Some data
  $datay1=array(140,110,50,60);
  $datay2=array(35,90,190,190);
  $datay3=array(20,60,70,140);
  
  // Create the basic graph
  $graph = new Graph(450,250,'auto');
  $graph->clearTheme();
  $graph->SetScale("textlin");
  $graph->img->SetMargin(40,80,30,40);
  
  // Adjust the position of the legend box
  $graph->legend->Pos(0.02,0.15);
  
  // Adjust the color for theshadow of the legend
  $graph->legend->SetShadow('darkgray@0.5');
  $graph->legend->SetFillColor('lightblue@0.3');
  
  // Get localised version of the month names
  $graph->xaxis->SetTickLabels($gDateLocale->GetShortMonth());
  
  // Set a nice summer (in Stockholm) image
  $graph->SetBackgroundImage('stship.jpg',BGIMG_COPY);
  
  // Set axis titles and fonts
  $graph->xaxis->title->Set('Year 2002');
  $graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);
  $graph->xaxis->title->SetColor('white');
  
  $graph->xaxis->SetFont(FF_FONT1,FS_BOLD);
  $graph->xaxis->SetColor('white');
  
  $graph->yaxis->SetFont(FF_FONT1,FS_BOLD);
  $graph->yaxis->SetColor('white');
  
  //$graph->ygrid->Show(false);
  $graph->ygrid->SetColor('white@0.5');
  
  // Setup graph title
  $graph->title->Set('Using alpha blending with a background');
  // Some extra margin (from the top)
  $graph->title->SetMargin(3);
  $graph->title->SetFont(FF_ARIAL,FS_NORMAL,12);
  
  // Create the three var series we will combine
  $bplot1 = new BarPlot($datay1);
  $bplot2 = new BarPlot($datay2);
  $bplot3 = new BarPlot($datay3);
  
  // Setup the colors with 40% transparency (alpha channel)
  $bplot1->SetFillColor('orange@0.4');
  $bplot2->SetFillColor('brown@0.4');
  $bplot3->SetFillColor('darkgreen@0.4');
  
  // Setup legends
  $bplot1->SetLegend('Label 1');
  $bplot2->SetLegend('Label 2');
  $bplot3->SetLegend('Label 3');
  
  // Setup each bar with a shadow of 50% transparency
  $bplot1->SetShadow('black@0.4');
  $bplot2->SetShadow('black@0.4');
  $bplot3->SetShadow('black@0.4');
  
  $gbarplot = new GroupBarPlot(array($bplot1,$bplot2,$bplot3));
  $gbarplot->SetWidth(0.6);
  $graph->Add($gbarplot);
  
  $graph->Stroke();
  ?>