windrose_layout_ex1.php

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

    // Some data for the five windrose plots
    $data = array(
        array(
            1 => array(10,10,13,7),
            2 => array(2,8,10),
            4 => array(1,12,22)),
        array(
            4 => array(12,8,2,3),
            2 => array(5,4,4,5,2)),
        array(
            1 => array(12,8,2,3),
            3 => array(5,4,4,5,2)),
        array(
            2 => array(12,8,2,3),
            3 => array(5,4,4,5,2)),
        array(
            4 => array(12,8,2,3),
            6 => array(5,4,4,5,2))
    );

    // Legend range colors
    $rangecolors = array('green','yellow','red','brown');

    // Create a windrose graph with titles
    $graph = new WindroseGraph(750,700);

    $graph->title->Set('Multiple plots with automatic layout');
    $graph->title->SetFont(FF_ARIAL,FS_BOLD,14);

    // Setup the individual windrose plots
    $wp = array();
    for( $i=0; $i < 5; ++$i ) {
        $wp[$i] = new WindrosePlot($data[$i]);
        $wp[$i]->SetType(WINDROSE_TYPE8);
        if( $i < 2) {
            $wp[$i]->SetSize(0.28);
        }
        else {
            $wp[$i]->legend->Hide();
            $wp[$i]->SetSize(0.16);
            $wp[$i]->SetCenterSize(0.25);
        }
        $wp[$i]->SetRangeColors($rangecolors);
    }

    // Position with two rows. Two plots in top row and three plots in
    // bottom row.
    $hl1 = new LayoutHor( array( $wp[0], $wp[1] ) );
    $hl2 = new LayoutHor( array( $wp[2], $wp[3], $wp[4] ) );
    $vl = new LayoutVert( array( $hl1, $hl2) );

    $graph->Add($vl);
    $graph->Stroke();
    ?>