colorvlinearmeter.php
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<?php
require_once("../lib/phpchartdir.php");
function createChart($viewer, $chartIndex)
{
# The value to display on the meter
$value = 74.25;
# The background and border colors of the meters
$bgColor = array(0xbbddff, 0xccffcc, 0xffccff, 0xffffaa, 0xffdddd, 0xeeeeee);
$borderColor = array(0x000088, 0x006600, 0x6600aa, 0xee6600, 0x880000, 0x666666);
# Create a LinearMeter object of size 70 x 260 pixels with a 3-pixel thick rounded frame
$m = new LinearMeter(70, 260, $bgColor[$chartIndex], $borderColor[$chartIndex]);
$m->setRoundedFrame(Transparent);
$m->setThickFrame(3);
# Set the scale region top-left corner at (28, 30), with size of 20 x 200 pixels. The scale
# labels are located on the left (default - implies vertical meter)
$m->setMeter(28, 30, 20, 200);
# Set meter scale from 0 - 100, with a tick every 10 units
$m->setScale(0, 100, 10);
# Demostrate different types of color scales and putting them at different positions
$smoothColorScale = array(0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100, 0xff0000);
$stepColorScale = array(0, 0x33ff33, 50, 0xffff33, 80, 0xff3333, 100);
$highLowColorScale = array(0, 0x6666ff, 70, Transparent, 100, 0xff0000);
if ($chartIndex == 0) {
# Add the smooth color scale at the default position
$m->addColorScale($smoothColorScale);
} else if ($chartIndex == 1) {
# Add the step color scale at the default position
$m->addColorScale($stepColorScale);
} else if ($chartIndex == 2) {
# Add the high low scale at the default position
$m->addColorScale($highLowColorScale);
} else if ($chartIndex == 3) {
# Add the smooth color scale starting at x = 28 (left of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 28, 0, 28, 20);
} else if ($chartIndex == 4) {
# Add the smooth color scale starting at x = 38 (center of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 38, 0, 28, 20);
} else {
# Add the smooth color scale starting at x = 48 (right of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 48, 0, 28, 20);
}
# Add a blue (0x0000cc) pointer at the specified value
$m->addPointer($value, 0x0000cc);
# Add a title using white (0xffffff) 8pt Arial Bold font with a border color background
$m->addTitle("Temp C", "Arial Bold", 8, 0xffffff)->setBackground($borderColor[$chartIndex]);
# Add a bottom title using white (0xffffff) 8pt Arial Bold font with a border color background
# to display the value
$m->addTitle2(Bottom, $m->formatValue($value, "2"), "Arial Bold", 8, 0xffffff)->setBackground(
$borderColor[$chartIndex]);
# Output the chart
$viewer->setChart($m, SVG);
}
# This example includes 6 charts
$viewers = array();
for ($i = 0; $i < 6; ++$i) {
$viewers[$i] = new WebChartViewer("chart$i");
createChart($viewers[$i], $i);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Color Vertical Linear Meters</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Color Vertical Linear Meters
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
</div>
<!-- ****** Here are the chart images ****** -->
<?php
for ($i = 0; $i < count($viewers); ++$i) {
echo $viewers[$i]->renderHTML(), " ";
}
?>
</body>
</html>
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