piecex1.php

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    <?php // content="text/plain; charset=utf-8"
    // $Id
    // Example of pie with center circle
    require_once ("jpgraph/jpgraph.php");
    require_once ("jpgraph/jpgraph_pie.php");

    // Some data
    $data = array(50,28,25,27,31,20);

    // A new pie graph
    $graph = new PieGraph(300,300,'auto');

    // Setup title
    $graph->title->Set("Pie plot with center circle");
    $graph->title->SetFont(FF_ARIAL,FS_BOLD,14);
    $graph->title->SetMargin(8); // Add a little bit more margin from the top

    // Create the pie plot
    $p1 = new PiePlotC($data);

    // Set size of pie
    $p1->SetSize(0.32);

    // Label font and color setup
    $p1->value->SetFont(FF_ARIAL,FS_BOLD,10);
    $p1->value->SetColor('black');

    // Setup the title on the center circle
    $p1->midtitle->Set("Test mid\nRow 1\nRow 2");
    $p1->midtitle->SetFont(FF_ARIAL,FS_NORMAL,10);

    // Set color for mid circle
    $p1->SetMidColor('yellow');

    // Use percentage values in the legends values (This is also the default)
    $p1->SetLabelType(PIE_VALUE_PER);

    // Add plot to pie graph
    $graph->Add($p1);

    // .. and send the image on it's marry way to the browser
    $graph->Stroke();

    ?>