Scatter Chart

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

# The XY points for the scatter chart
$dataX0 = array(10, 15, 6, 12, 14, 8, 13, 13, 16, 12, 10.5);
$dataY0 = array(130, 150, 80, 110, 110, 105, 130, 115, 170, 125, 125);

$dataX1 = array(6, 12, 4, 3.5, 7, 8, 9, 10, 12, 11, 8);
$dataY1 = array(65, 80, 40, 45, 70, 80, 80, 90, 100, 105, 60);

# 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("Genetically Modified Predator", "Times New Roman Bold Italic", 18);

# Add a title to the y axis using 12pt Arial Bold Italic font
$c->yAxis->setTitle("Length (cm)", "Arial Bold Italic", 12);

# Add a title to the x axis using 12pt Arial Bold Italic font
$c->xAxis->setTitle("Weight (kg)", "Arial Bold Italic", 12);

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

# Add an orange (0xff9933) scatter chart layer, using 13 pixel diamonds as symbols
$c->addScatterLayer($dataX0, $dataY0, "Genetically Engineered", DiamondSymbol, 13, 0xff9933);

# Add a green (0x33ff33) scatter chart layer, using 11 pixel triangles as symbols
$c->addScatterLayer($dataX1, $dataY1, "Natural", TriangleSymbol, 11, 0x33ff33);

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

# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
    "title='[{dataSetName}] Weight = {x} kg, Length = {value} cm'"));
?>

<!DOCTYPE html>
<html>
<head>
    <title>Scatter Chart</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;">
        Scatter Chart
    </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>