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();
?>