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site/jpgraph/Examples/dateutilex01.php 1.62 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');
  require_once ('jpgraph/jpgraph_utils.inc.php');
  
  // Get a dataset stored in $xdata and $ydata
  require_once ('dataset01.inc.php');
  
  $dateUtils = new DateScaleUtils();
  
  // Setup a basic graph
  $width=500; $height=300;
  $graph = new Graph($width, $height);
  $graph->clearTheme();
  
  // We set the x-scale min/max values to avoid empty space
  // on the side of the plot
  $graph->SetScale('intlin',0,0,min($xdata),max($xdata));
  $graph->SetMargin(60,20,40,60);
  
  // Setup the titles
  $graph->title->SetFont(FF_ARIAL,FS_BOLD,12);
  $graph->title->Set('Development since 1984');
  $graph->subtitle->SetFont(FF_ARIAL,FS_ITALIC,10);
  $graph->subtitle->Set('(Example using DateScaleUtils class)');
  
  // Setup the labels to be correctly format on the X-axis
  $graph->xaxis->SetFont(FF_ARIAL,FS_NORMAL,8);
  $graph->xaxis->SetLabelAngle(30);
  
  // The second paramter set to 'true' will make the library interpret the
  // format string as a date format. We use a Month + Year format
  $graph->xaxis->SetLabelFormatString('M, Y',true);
  
  // Get manual tick every second year
  list($tickPos,$minTickPos) = $dateUtils->getTicks($xdata,DSUTILS_YEAR2);
  $graph->xaxis->SetTickPositions($tickPos,$minTickPos);
  
  // First add an area plot
  $lp1 = new LinePlot($ydata,$xdata);
  $lp1->SetWeight(0);
  $lp1->SetFillColor('orange@0.85');
  $graph->Add($lp1);
  
  // And then add line. We use two plots in order to get a
  // more distinct border on the graph
  $lp2 = new LinePlot($ydata,$xdata);
  $lp2->SetColor('orange');
  $graph->Add($lp2);
  
  // And send back to the client
  $graph->Stroke();
  
  ?>