windrose_ex0.php

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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(5,5,5,8),
        1 => array(3,4,1,4),
        'WSW' => array(1,5,5,3),
        'N' => array(2,3,8,1,1),
        15 => array(2,3,5));

    // First create a new windrose graph with a title
    $graph = new WindroseGraph(400,400);
    $graph->title->Set('A basic Windrose graph');

    // Create the windrose plot.
    $wp = new WindrosePlot($data);

    // Add and send back to browser
    $graph->Add($wp);
    $graph->Stroke();
    ?>