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

// Create a new odometer graph (width=250, height=200 pixels)
$graph = new OdoGraph(570, 250);

$odo     = array();
$astyles = array(
    NEEDLE_ARROW_SS,NEEDLE_ARROW_SM,NEEDLE_ARROW_SL,
    NEEDLE_ARROW_MS,NEEDLE_ARROW_MM, NEEDLE_ARROW_ML,
    NEEDLE_ARROW_LS, NEEDLE_ARROW_LM, NEEDLE_ARROW_LL
    );
$acaptions = array(
    'SS','SM','SL','MS','MM','ML','LS','LM','LL'
);

for ($i = 0; $i < 9; ++$i) {
    $odo[$i] =    new Odometer();
    $odo[$i]->SetColor("lightyellow");
    $odo[$i]->needle->Set(75);
    $odo[$i]->needle->SetStyle(NEEDLE_STYLE_ENDARROW, $astyles[$i]);
    $odo[$i]->caption->SetFont(FF_FONT1, FS_BOLD);
    $odo[$i]->caption->Set('Arrow: '.$acaptions[$i]);
}

$row1 = new LayoutHor(array($odo[0],$odo[1],$odo[2]));
$row2 = new LayoutHor(array($odo[3],$odo[4],$odo[5]));
$row3 = new LayoutHor(array($odo[6],$odo[7],$odo[8]));
$col1 = new LayoutVert(array($row1,$row2,$row3));

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

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