scatterlinkex4.php
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<?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_BOXIN);
 
$graph->img->SetMargin(50,50,60,40);
 
$graph->title->Set('Linked scatter plot');
$graph->title->SetFont(FF_FONT1,FS_BOLD);
$graph->subtitle->Set('(BOXIN 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->SetWeight(2);
$sp1->link->SetColor('red@0.7');
 
 
$graph->Add($sp1);
$graph->Stroke();
 
?>