source: trunk/xgraph/jpgraph/Examples/odotutex18.php @ 42

<?php
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_odo.php');

// Create a new odometer graph
$graph = new OdoGraph(500,180);

$odo = array();

// Now we need to create an odometer to add to the graph.
for( $i=0; $i < 5; ++$i ) {
        $odo[$i] = new Odometer();
        $odo[$i]->SetColor('lightgray:1.9');
        $odo[$i]->needle->Set(10+$i*17);
        $odo[$i]->needle->SetShadow();
        if( $i < 2 )
                $fsize = 10;
        else
                $fsize = 8;
        $odo[$i]->scale->label->SetFont(FF_ARIAL,FS_NORMAL,$fsize);
        $odo[$i]->AddIndication(92,100,'red');
        $odo[$i]->AddIndication(80,92,'orange');
        $odo[$i]->AddIndication(60,80,'yellow');
}

// Create the layout
$row1 = new LayoutHor( array($odo[0],$odo[1]) );
$row2 = new LayoutHor( array($odo[2],$odo[3],$odo[4]) );
$col1 = new LayoutVert( array($row1,$row2) );

// Add the odometer to the graph
$graph->Add($col1);

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

?>