nightly-test-server/jpgraph/Examples/scatterlinkex4.php

<?php
include ("../jpgraph.php");
include ("../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,"auto");
$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->SetWeight(3);
$sp1->mark->SetWidth(4);
$sp1->SetLinkPoints();

$graph->Add($sp1);

$graph->Stroke();

?>