H-Linear Meter Orientation

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

function createChart($viewer, $chartIndex)
{
    # The value to display on the meter
    $value = 74.25;

    # Create a LinearMeter object of size 250 x 75 pixels with very light grey (0xeeeeee) backgruond
    # and a light grey (0xccccccc) 3-pixel thick rounded frame
    $m = new LinearMeter(250, 75, 0xeeeeee, 0xcccccc);
    $m->setRoundedFrame(Transparent);
    $m->setThickFrame(3);

    # This example demonstrates putting the text labels at the top or bottom. This is by setting the
    # label alignment, scale position and label position.
    $alignment = array(Top, Top, Bottom, Bottom);
    $meterYPos = array(23, 23, 34, 34);
    $labelYPos = array(61, 61, 15, 15);

    # Set the scale region
    $m->setMeter(14, $meterYPos[$chartIndex], 218, 20, $alignment[$chartIndex]);

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

    # Add a smooth color scale at the default position
    $smoothColorScale = array(0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100, 0xff0000);
    $m->addColorScale($smoothColorScale);

    # Add a blue (0x0000cc) pointer at the specified value
    $m->addPointer($value, 0x0000cc);

    #
    # In this example, some charts have the "Temperauture" label on the left side and the value
    # readout on the right side, and some charts have the reverse
    #

    if ($chartIndex % 2 == 0) {
        # Add a label on the left side using 8pt Arial Bold font
        $m->addText(10, $labelYPos[$chartIndex], "Temperature C", "Arial Bold", 8, TextColor, Left);

        # Add a text box on the right side. Display the value using white (0xffffff) 8pt Arial Bold
        # font on a black (0x000000) background with depressed rounded border.
        $t = $m->addText(235, $labelYPos[$chartIndex], $m->formatValue($value, "2"), "Arial Bold",
            8, 0xffffff, Right);
        $t->setBackground(0x000000, 0x000000, -1);
        $t->setRoundedCorners(3);
    } else {
        # Add a label on the right side using 8pt Arial Bold font
        $m->addText(237, $labelYPos[$chartIndex], "Temperature C", "Arial Bold", 8, TextColor, Right
            );

        # Add a text box on the left side. Display the value using white (0xffffff) 8pt Arial Bold
        # font on a black (0x000000) background with depressed rounded border.
        $t = $m->addText(11, $labelYPos[$chartIndex], $m->formatValue($value, "2"), "Arial Bold", 8,
            0xffffff, Left);
        $t->setBackground(0x000000, 0x000000, -1);
        $t->setRoundedCorners(3);
    }

    # Output the chart
    $viewer->setChart($m, SVG);
}

# This example includes 4 charts
$viewers = array();
for ($i = 0; $i < 4; ++$i) {
    $viewers[$i] = new WebChartViewer("chart$i");
    createChart($viewers[$i], $i);
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>H-Linear Meter Orientation</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;">
        H-Linear Meter Orientation
    </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 are the chart images ****** -->
    <?php
        for ($i = 0; $i < count($viewers); ++$i) {
            echo $viewers[$i]->renderHTML(), " ";
        }
    ?>
</body>
</html>