odotutex13.php
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<?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(250,150);
 
$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");
 
$odo->SetCenterAreaWidth(0.45);
 
// Set display value for the odometer
$odo->needle->Set(90);
 
// Add scale labels
$odo->label->Set("mBar");
$odo->label->SetFont(FF_FONT2,FS_BOLD);
 
// 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();
?>