rotatedarea.php
Back to Chart Graphics
<![CDATA[
<?php
require_once("../lib/phpchartdir.php");
# The data for the area chart
$data = array(30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66, 56,
48, 52, 65, 62);
# The labels for the area chart
$labels = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24);
# Create a XYChart object of size 320 x 320 pixels
$c = new XYChart(320, 320);
# Swap the x and y axis to become a rotated chart
$c->swapXY();
# Set the y axis on the top side (right + rotated = top)
$c->setYAxisOnRight();
# Reverse the x axis so it is pointing downwards
$c->xAxis->setReverse();
# Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and vertical grids by
# setting their colors to grey (0xc0c0c0).
$c->setPlotArea(50, 50, 250, 250)->setGridColor(0xc0c0c0, 0xc0c0c0);
# Add a line chart layer using the given data
$c->addAreaLayer($data, $c->gradientColor(50, 0, 300, 0, 0xffffff, 0x0000ff));
# Set the labels on the x axis. Append "m" after the value to show the unit.
$c->xAxis->setLabels2($labels, "{value} m");
# Display 1 out of 3 labels.
$c->xAxis->setLabelStep(3);
# Add a title to the x axis
$c->xAxis->setTitle("Depth");
# Add a title to the y axis
$c->yAxis->setTitle("Carbon Dioxide Concentration (ppm)");
# Output the chart
$viewer = new WebChartViewer("chart1");
$viewer->setChart($c, SVG);
# Include tool tip for the chart
$viewer->setImageMap($c->getHTMLImageMap("", "",
"title='Carbon dioxide concentration at {xLabel}: {value} ppm'"));
?>
<!DOCTYPE html>
<html>
<head>
<title>Rotated Area 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;">
Rotated Area 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>
]]>