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site/jpgraph/Examples/windrose_ex1b.php 950 Bytes
8ec98c9f   Guillaume   MAJ
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  <?php
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_windrose.php');
  
  // Data can be specified using both ordinal index of the axis
  // as well as the direction label
  $data = array(
      0 => array(1,1,2.5,4),
      1 => array(3,4,1,4),
      'wsw' => array(1,5,5,3),
      'N' => array(2,7,5,4,2),
      15 => array(2,7,12));
  
  // First create a new windrose graph with a title
  $graph = new WindroseGraph(400,400);
  $graph->title->Set('Windrose example 1b');
  $graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
  $graph->title->SetColor('navy');
  
  // Create the windrose plot.
  // The default plot will have 16 compass axis.
  $wp = new WindrosePlot($data);
  $wp->SetRadialGridStyle('solid');
  $graph->Add($wp);
  
  // Setup the range so that the values do not touch eachother
  $wp->SetRanges(array(0,1,2,3,4,5,6,7,8,10));
  $wp->SetRangeStyle(RANGE_DISCRETE); // Cmp with RANGE_OVERLAPPING as default
  
  // Send the graph to the browser
  $graph->Stroke();
  ?>