Floating Box Chart

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

# Sample data for the Box-Whisker chart. Represents the minimum, 1st quartile, medium, 3rd quartile
# and maximum values of some quantities
$Q0Data = array(40, 45, 40, 30, 20, 50, 25, 44);
$Q1Data = array(55, 60, 50, 40, 38, 60, 51, 60);
$Q2Data = array(62, 70, 60, 50, 48, 70, 62, 70);
$Q3Data = array(70, 80, 65, 60, 53, 78, 69, 76);
$Q4Data = array(80, 90, 75, 70, 60, 85, 80, 84);

# The labels for the chart
$labels = array("Group A", "Group B", "Group C", "Group D", "Group E", "Group F", "Group G",
    "Group H");

# Create a XYChart object of size 550 x 250 pixels
$c = new XYChart(550, 275);

# Set the plotarea at (50, 25) and of size 450 x 200 pixels. Enable both horizontal and vertical
# grids by setting their colors to grey (0xc0c0c0)
$c->setPlotArea(50, 50, 450, 200)->setGridColor(0xc0c0c0, 0xc0c0c0);

# Add a title to the chart
$c->addTitle("Computer Vision Test Scores");

# Set the labels on the x axis and the font to Arial Bold
$c->xAxis->setLabels($labels)->setFontStyle("Arial Bold");

# Set the font for the y axis labels to Arial Bold
$c->yAxis->setLabelStyle("Arial Bold");

# Add a Box Whisker layer using light blue 0x9999ff as the fill color and blue (0xcc) as the line
# color. Set the line width to 2 pixels
$c->addBoxLayer($Q4Data, $Q3Data, 0x00ff00, "Top 25%");
$c->addBoxLayer($Q3Data, $Q2Data, 0x9999ff, "25% - 50%");
$c->addBoxLayer($Q2Data, $Q1Data, 0xffff00, "50% - 75%");
$c->addBoxLayer($Q1Data, $Q0Data, 0xff0000, "Bottom 25%");

# Add legend box at top center above the plot area using 10pt Arial Bold Font
$b = $c->addLegend(50 + 225, 22, false, "Arial Bold", 10);
$b->setAlignment(TopCenter);
$b->setBackground(Transparent);

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

# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
    "title='{xLabel} ({dataSetName}): {bottom} to {top} points'"));
?>

<!DOCTYPE html>
<html>
<head>
    <title>Floating Box 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;">
        Floating Box 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>