windrose_bgimg_ex1.php

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49

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

    // Data can be specified using both ordinal idex of axis as well
    // as the direction label
    $data2 = array(
        'vsv' => array(12,8,2,3),
        6 => array(5,4,4,5,4),
        );

    $se_CompassLbl = array('O','ONO','NO','NNO','N','NNV','NV','VNV','V','VSV','SV','SSV','S','SSO','SO','OSO');

    // Create a new small windrose graph
    $graph = new WindroseGraph(400,400);
    $graph->SetMargin(25,25,25,25);
    $graph->SetFrame();

    $graph->title->Set('Example with background flag');
    #$graph->title->SetFont(FF_VERA,FS_BOLD,14);

    //$graph->SetBackgroundImage('bkgimg.jpg',BGIMG_FILLFRAME);
    //$graph->SetBackgroundImageMix(90);
    $graph->SetBackgroundCFlag(28,BGIMG_FILLFRAME,15);

    $wp2 = new WindrosePlot($data2);
    $wp2->SetType(WINDROSE_TYPE16);
    $wp2->SetSize(0.55);
    $wp2->SetPos(0.5,0.5);
    $wp2->SetAntiAlias(false);

    $wp2->SetFont(FF_ARIAL,FS_BOLD,10);
    $wp2->SetFontColor('black');

    $wp2->SetCompassLabels($se_CompassLbl);
    $wp2->legend->SetMargin(20,5);

    $wp2->scale->SetZFont(FF_ARIAL,FS_NORMAL,8);
    $wp2->scale->SetFont(FF_ARIAL,FS_NORMAL,9);
    $wp2->scale->SetLabelFillColor('white','white');

    $wp2->SetRangeColors(array('green','yellow','red','brown'));

    $graph->Add($wp2);
    $graph->Stroke();
    ?>