Multi-Pointer Vertical Meter

[File: phpdemo/multivmeter.php]
<?php
require_once("../lib/phpchartdir.php");

# The values to display on the meter
$value0 = 30.99;
$value1 = 45.35;
$value2 = 77.64;

# Create an LinearMeter object of size 60 x 245 pixels, using silver background with a 2 pixel black
# 3D depressed border.
$m = new LinearMeter(60, 245, silverColor(), 0, -2);

# Set the scale region top-left corner at (25, 30), with size of 20 x 200 pixels. The scale labels
# are located on the left (default - implies vertical meter)
$m->setMeter(25, 30, 20, 200);

# Set meter scale from 0 - 100, with a tick every 10 units
$m->setScale(0, 100, 10);

# Set 0 - 50 as green (99ff99) zone, 50 - 80 as yellow (ffff66) zone, and 80 - 100 as red (ffcccc)
# zone
$m->addZone(0, 50, 0x99ff99);
$m->addZone(50, 80, 0xffff66);
$m->addZone(80, 100, 0xffcccc);

# Add deep red (000080), deep green (008000) and deep blue (800000) pointers to reflect the values
$m->addPointer($value0, 0x000080);
$m->addPointer($value1, 0x008000);
$m->addPointer($value2, 0x800000);

# Add a text box label at top-center (30, 5) using Arial Bold/8pt/deep blue (000088), with a light
# blue (9999ff) background
$m->addText(30, 5, "Temp C", "Arial Bold", 8, 0x000088, TopCenter)->setBackground(0x9999ff);

# Output the chart
$viewer = new WebChartViewer("chart1");
$viewer->setChart($m, SVG);
?>

<!DOCTYPE html>
<html>
<head>
    <title>Multi-Pointer Vertical Meter</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Multi-Pointer Vertical Meter
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
    </div>
    <!-- ****** Here is the chart image ****** -->
    <?php echo $viewer->renderHTML(); ?>
</body>
</html>