impulsex1.php

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

    $datay = array(20,22,12,13,17,20,16,19,30,31,40,43);

    $graph = new Graph(300,200);
    $graph->SetScale("textlin");

    $graph->SetShadow();
    $graph->img->SetMargin(40,40,40,40);

    $graph->title->Set("Simple mpuls plot");
    $graph->title->SetFont(FF_FONT1,FS_BOLD);

    $sp1 = new ScatterPlot($datay);
    $sp1->mark->SetType(MARK_SQUARE);
    $sp1->SetImpuls();

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

    ?>