<?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(250,140);

// 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_FULL);

// Set display value for the odometer
$odo->needle->Set(30);

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

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

?>