/usr/share/doc/libphp-jpgraph-examples/examples/scatterlinkex2.php is in libphp-jpgraph-examples 1.5.2-13.
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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 | <?php
include ("/usr/share/jpgraph/jpgraph.php");
include ("/usr/share/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(300,200,"auto");
$graph->SetScale("linlin");
$graph->img->SetMargin(40,40,40,40);
$graph->SetShadow();
$graph->title->Set("Linked scatter plot");
$graph->title->SetFont(FF_FONT1,FS_BOLD);
// 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();
?>
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