ChartDirector 7.0 (PHP Edition)

Simple Bar Chart (1)




This example demonstrates the basic steps in creating bar charts.

Source Code Listing

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

# The data for the bar chart
$data = array(85, 156, 179.5, 211, 123);

# The labels for the bar chart
$labels = array("Mon", "Tue", "Wed", "Thu", "Fri");

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

# Set the plotarea at (30, 20) and of size 200 x 200 pixels
$c->setPlotArea(30, 20, 200, 200);

# Add a bar chart layer using the given data
$c->addBarLayer($data);

# Set the labels on the x axis.
$c->xAxis->setLabels($labels);

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

# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "", "title='{xLabel}: {value} GBytes'"));
?>

<!DOCTYPE html>
<html>
<head>
    <title>Simple Bar Chart (1)</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;">
        Simple Bar Chart (1)
    </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>