odotutex11.php

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

    // Create a new odometer graph (width=250, height=200 pixels)
    $graph = new OdoGraph(250,150);

    $graph->title->Set('Example with scale indicators');

    // Add drop shadow for graph
    $graph->SetShadow();

    // Now we need to create an odometer to add to the graph.
    // By default the scale will be 0 to 100
    $odo = new Odometer(ODO_HALF);

    // Add color indications
    $odo->AddIndication(0,20,"green:0.7");
    $odo->AddIndication(20,30,"green:0.9");
    $odo->AddIndication(30,60,"yellow");
    $odo->AddIndication(60,80,"orange");
    $odo->AddIndication(80,100,"red");

    // Set display value for the odometer
    $odo->needle->Set(90);

    // Set the size of the non-colored base area to 40% of the radius
    $odo->SetCenterAreaWidth(0.45);

    // Add drop shadow for needle
    $odo->needle->SetShadow();

    // Add the odometer to the graph
    $graph->Add($odo);

    // ... and finally stroke and stream the image back to the browser
    $graph->Stroke();

    // EOF
    ?>