windrose_ex6.1.php
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<?php
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_windrose.php');
 
$data = array(
    '10'  => array(1,1,2.5,4),
    '32.0' => array(3,4,1,4),
    '120.5' => array(2,3,4,4,3,2,1),
    '223.2' => array(2,4,1,2,2),
    '285.7' => array(2,2,1,2,4,2,1,1)
);
 
// This file is encode din utf-8. The two Kanji characters roughly means
// 中 = Chinese
// 文 = Sentences
$ctxt = '中文';
 
// Specify text for direction labels
$labels = array(
    '120.5' => $ctxt,
    '232.2' => "Reference\n#13 Ver:2");
 
// Range colors to be used
$rangeColors = array('khaki','yellow','orange','orange:0.7','brown','darkred','black');
 
// First create a new windrose graph with a title
$graph = new WindroseGraph(400,450);
 
// Setup title
$graph->title->Set('Using chinese charecters');
#$graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
$graph->title->SetColor('navy');
$graph->subtitle->Set('(Free type plot)');
#$graph->subtitle->SetFont(FF_VERDANA,FS_ITALIC,10);
$graph->subtitle->SetColor('navy');
 
// Create the windrose plot.
$wp = new WindrosePlot($data);
 
// Setup a free plot
$wp->SetType(WINDROSE_TYPEFREE);
 
// Setup labels
$wp->SetLabels($labels);
$wp->SetLabelPosition(LBLPOSITION_CENTER);
$wp->SetLabelMargin(30);
 
// Setup the colors for the ranges
$wp->SetRangeColors($rangeColors);
 
// Adjust the font and font color for scale labels
#$wp->scale->SetFont(FF_ARIAL,FS_NORMAL,9);
 
// Set the diameter and position for plot
#$wp->SetSize(240);
$wp->SetSize(200);
$wp->SetZCircleSize(30);
$wp->SetPos(0.5,0.5);
 
// Adjust the font and font color for compass directions
#$wp->SetFont(FF_CHINESE,FS_NORMAL,12);
$wp->SetFontColor('darkgreen');
 
// Adjust grid colors
$wp->SetGridColor('darkgreen@0.7','blue');
 
// Add (m/s) text to legend
$wp->legend->SetText('(m/s)');
$wp->legend->SetTFontColor('blue');
 
// Set legend label font color
$wp->legend->SetLFontColor('orange:0.7');
#$wp->legend->SetLFont(FF_ARIAL,FS_ITALIC,8);
 
// Display legend values with no decimals
$wp->legend->SetFormat('%d');
 
// Set the circle font to use chinse character set
// Note: When FF_CHINESE is used the input charectr data are
// assumed to already be in utf-8 encoding
#$wp->legend->SetCFont(FF_CHINESE,FS_NORMAL,14);
$wp->legend->SetCircleText($ctxt);
$wp->legend->SetCFontColor('red');
 
// Add plot to graph and send back to client
$graph->Add($wp);
$graph->Stroke();
?>