windrose_ex6.1.php

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    <?php // content="text/plain; charset=utf-8"
    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->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();
    ?>