example6.1.php

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

    $ydata = array(11,3,8,12,5,1,9,13,5,7);
    $y2data = array(354,200,265,99,111,91,198,225,293,251);

    // Create the graph and specify the scale for both Y-axis
    $graph = new Graph(300,240);
    $graph->SetScale("textlin");
    $graph->SetY2Scale("lin");
    $graph->SetShadow();

    // Adjust the margin
    $graph->img->SetMargin(40,40,20,70);

    // Create the two linear plot
    $lineplot=new LinePlot($ydata);
    $lineplot2=new LinePlot($y2data);

    // Add the plot to the graph
    $graph->Add($lineplot);
    $graph->AddY2($lineplot2);
    $lineplot2->SetColor("orange");
    $lineplot2->SetWeight(2);

    // Adjust the axis color
    $graph->y2axis->SetColor("orange");
    $graph->yaxis->SetColor("blue");

    $graph->title->Set("Example 6.1");
    $graph->xaxis->title->Set("X-title");
    $graph->yaxis->title->Set("Y-title");

    $graph->title->SetFont(FF_FONT1,FS_BOLD);
    $graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD);
    $graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);

    // Set the colors for the plots
    $lineplot->SetColor("blue");
    $lineplot->SetWeight(2);
    $lineplot2->SetColor("orange");
    $lineplot2->SetWeight(2);

    // Set the legends for the plots
    $lineplot->SetLegend("Plot 1");
    $lineplot2->SetLegend("Plot 2");

    // Adjust the legend position
    $graph->legend->SetLayout(LEGEND_HOR);
    $graph->legend->Pos(0.4,0.95,"center","bottom");

    // Display the graph
    $graph->Stroke();
    ?>