scatterlabels.php
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<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
# The XY points for the scatter chart
$dataX = array(150, 400, 300, 1500, 800);
$dataY = array(0.6, 8, 5.4, 2, 4);
# The labels for the points
$labels = array("Nano\n100", "SpeedTron\n200 Lite", "SpeedTron\n200", "Marathon\nExtra",
"Marathon\n2000");
# Create a XYChart object of size 450 x 400 pixels
$c = new XYChart(450, 400);
# Set the plotarea at (55, 40) 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, 40, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
# Add a title to the chart using 18pt Times Bold Itatic font.
$c->addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18);
# Add a title to the y axis using 12pt Arial Bold Italic font
$c->yAxis->setTitle("Capacity (tons)", "Arial Bold Italic", 12);
# Add a title to the x axis using 12pt Arial Bold Italic font
$c->xAxis->setTitle("Range (miles)", "Arial Bold Italic", 12);
# Set the axes line width to 3 pixels
$c->xAxis->setWidth(3);
$c->yAxis->setWidth(3);
# Add the data as a scatter chart layer, using a 15 pixel circle as the symbol
$layer = $c->addScatterLayer($dataX, $dataY, "", GlassSphereShape, 15, 0xff3333, 0xff3333);
# Add labels to the chart as an extra field
$layer->addExtraField($labels);
# Set the data label format to display the extra field
$layer->setDataLabelFormat("{field0}");
# Use 8pt Arial Bold to display the labels
$textbox = $layer->setDataLabelStyle("Arial Bold", 8);
# Set the background to purple with a 1 pixel 3D border
$textbox->setBackground(0xcc99ff, Transparent, 1);
# Put the text box 4 pixels to the right of the data point
$textbox->setAlignment(Left);
$textbox->setPos(4, 0);
# Output the chart
$viewer = new WebChartViewer("chart1");
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
"title='Range = {x} miles, Capacity = {value} tons'"));
?>
<!DOCTYPE html>
<html>
<head>
<title>Custom Scatter Labels</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;">
Custom Scatter Labels
</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>
]]>