scatterlinkex3.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
    <?php // content="text/plain; charset=utf-8"
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_scatter.php');

    // Make a circle with a scatterplot
    $steps=16;
    for($i=0; $i<$steps; ++$i) {
        $a=2*M_PI/$steps*$i;
        $datax[$i]=cos($a);
        $datay[$i]=sin($a);
    }

    $graph = new Graph(350,230);
    $graph->SetScale('linlin');
    $graph->SetShadow();
    $graph->SetAxisStyle(AXSTYLE_BOXOUT);

    $graph->img->SetMargin(50,50,60,40);

    $graph->title->Set('Linked scatter plot');
    $graph->title->SetFont(FF_FONT1,FS_BOLD);
    $graph->subtitle->Set('(BOXOUT Axis style)');
    $graph->subtitle->SetFont(FF_FONT1,FS_NORMAL);

    // 10% top and bottom grace
    $graph->yscale->SetGrace(5,5);
    $graph->xscale->SetGrace(1,1);

    $sp1 = new ScatterPlot($datay,$datax);
    $sp1->mark->SetType(MARK_FILLEDCIRCLE);
    $sp1->mark->SetFillColor('red');
    $sp1->SetColor('blue');

    $sp1->mark->SetWidth(4);
    $sp1->link->Show();
    $sp1->link->SetStyle('dotted');

    $graph->Add($sp1);
    $graph->Stroke();

    ?>