windrose_ex1.php

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    <?php
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_windrose.php');

    $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);

    // Setup title
    $graph->title->Set('Windrose basic example');
    $graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
    $graph->title->SetColor('navy');

    // Create the windrose plot.
    $wp = new WindrosePlot($data);
    $wp->SetRadialGridStyle('solid');
    $graph->Add($wp);

    // Send the graph to the browser
    $graph->Stroke();
    ?>