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site/jpgraph/Examples/nullvalueex01.php 1.37 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_line.php');
  
  // Some data
  $datax = array("2001-04-01","2001-04-02","2001-04-03","2001-04-04","2001-04-05","2001-04-06");
  $datay = array(28,13,24,"",90,11);
  $data2y = array(11,41,"-",33,"-",63);
  
  // Setup graph
  $graph = new Graph(400,250);
  $graph->clearTheme();
  $graph->img->SetMargin(40,150,40,80);
  $graph->SetScale("textlin");
  $graph->SetShadow();
  
  //Setup title
  $graph->title->Set("Line plot with null values");
  
  // Use built in font
  $graph->title->SetFont(FF_ARIAL,FS_NORMAL,14);
  
  // Slightly adjust the legend from it's default position
  $graph->legend->Pos(0.03,0.5,"right","center");
  $graph->legend->SetFont(FF_FONT1,FS_BOLD);
  
  // Setup X-scale
  $graph->xaxis->SetTickLabels($datax);
  $graph->xaxis->SetFont(FF_ARIAL,FS_NORMAL,8);
  $graph->xaxis->SetLabelAngle(45);
  
  // Create the first line
  $p1 = new LinePlot($datay);
  $p1->mark->SetType(MARK_FILLEDCIRCLE);
  $p1->mark->SetFillColor("red");
  $p1->mark->SetWidth(4);
  $p1->SetColor("blue");
  $p1->SetCenter();
  $p1->SetLegend("Undefined\nvariant 1");
  $graph->Add($p1);
  
  // ... and the second
  $p2 = new LinePlot($data2y);
  $p2->mark->SetType(MARK_STAR);
  $p2->mark->SetFillColor("red");
  $p2->mark->SetWidth(4);
  $p2->SetColor("red");
  $p2->SetCenter();
  $p2->SetLegend("Undefined\nvariant 2");
  $graph->Add($p2);
  
  // Output line
  $graph->Stroke();
  
  ?>