<?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();
?>
