source: trunk/xgraph/jpgraph/Examples/scatterlinkex3.php @ 42

<?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();

?>