Bubble XY Scaling

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

# The XY points for the bubble chart. The bubble chart has independent bubble size on the X and Y
# direction.
$dataX0 = array(1000, 1500, 1700);
$dataY0 = array(25, 20, 65);
$dataZX0 = array(500, 200, 600);
$dataZY0 = array(15, 30, 20);

$dataX1 = array(500, 1000, 1300);
$dataY1 = array(35, 50, 75);
$dataZX1 = array(800, 300, 500);
$dataZY1 = array(8, 27, 25);

$dataX2 = array(150, 300);
$dataY2 = array(20, 60);
$dataZX2 = array(160, 400);
$dataZY2 = array(30, 20);

# Create a XYChart object of size 450 x 420 pixels
$c = new XYChart(450, 420);

# Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey border (0xc0c0c0).
# Turn on both horizontal and vertical grid lines with light grey color (0xc0c0c0)
$c->setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);

# Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold Italic
# font. Set the background and border color to Transparent.
$c->addLegend(50, 30, false, "Times New Roman Bold Italic", 12)->setBackground(Transparent);

# Add a title to the chart using 18pt Times Bold Itatic font.
$c->addTitle("Plasma Battery Comparison", "Times New Roman Bold Italic", 18);

# Add titles to the axes using 12pt Arial Bold Italic font
$c->yAxis->setTitle("Operating Current", "Arial Bold Italic", 12);
$c->xAxis->setTitle("Operating Voltage", "Arial Bold Italic", 12);

# Set the axes line width to 3 pixels
$c->xAxis->setWidth(3);
$c->yAxis->setWidth(3);

# Add (dataX0, dataY0) as a standard scatter layer, and also as a "bubble" scatter layer, using
# circles as symbols. The "bubble" scatter layer has symbol size modulated by (dataZX0, dataZY0)
# using the scale on the x and y axes.
$c->addScatterLayer($dataX0, $dataY0, "Vendor A", CircleSymbol, 9, 0xff3333, 0xff3333);
$c->addScatterLayer($dataX0, $dataY0, "", CircleSymbol, 9, 0x80ff3333, 0x80ff3333)->setSymbolScale(
    $dataZX0, XAxisScale, $dataZY0, YAxisScale);

# Add (dataX1, dataY1) as a standard scatter layer, and also as a "bubble" scatter layer, using
# squares as symbols. The "bubble" scatter layer has symbol size modulated by (dataZX1, dataZY1)
# using the scale on the x and y axes.
$c->addScatterLayer($dataX1, $dataY1, "Vendor B", SquareSymbol, 7, 0x3333ff, 0x3333ff);
$c->addScatterLayer($dataX1, $dataY1, "", SquareSymbol, 9, 0x803333ff, 0x803333ff)->setSymbolScale(
    $dataZX1, XAxisScale, $dataZY1, YAxisScale);

# Add (dataX2, dataY2) as a standard scatter layer, and also as a "bubble" scatter layer, using
# diamonds as symbols. The "bubble" scatter layer has symbol size modulated by (dataZX2, dataZY2)
# using the scale on the x and y axes.
$c->addScatterLayer($dataX2, $dataY2, "Vendor C", DiamondSymbol, 9, 0x00ff00, 0x00ff00);
$c->addScatterLayer($dataX2, $dataY2, "", DiamondSymbol, 9, 0x8033ff33, 0x8033ff33)->setSymbolScale(
    $dataZX2, XAxisScale, $dataZY2, YAxisScale);

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

# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
    "title='Voltage = {x} +/- {={zx}/2} V, Current = {value} +/- {={zy}/2} A'"));
?>

<!DOCTYPE html>
<html>
<head>
    <title>Bubble XY Scaling</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;">
        Bubble XY Scaling
    </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>