Line with Error Symbols

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

# The data with error information
$data = array(42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60, 70, 76, 63,
    67, 75, 64, 51);
$errData = array(5, 6, 5.1, 6.5, 6.6, 8, 5.4, 5.1, 4.6, 5.0, 5.2, 6.0, 4.9, 5.6, 4.8, 6.2, 7.4, 7.1,
    6.0, 6.6, 7.1, 5.3, 5.5, 7.9, 6.1);

# The labels for the 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 600 x 300 pixels, with a light grey (eeeeee) background, black
# border, 1 pixel 3D border effect and rounded corners.
$c = new XYChart(600, 300, 0xeeeeee, 0x000000, 1);
$c->setRoundedFrame();

# Set directory for loading images to current script directory
# Need when running under Microsoft IIS
$c->setSearchPath(dirname(__FILE__));

# Set the plotarea at (55, 55) and of size 520 x 195 pixels, with white (ffffff) background. Set
# horizontal and vertical grid lines to grey (cccccc).
$c->setPlotArea(55, 55, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);

# Add a title box to the chart using 15pt Times Bold Italic font. The title is in CDML and includes
# embedded images for highlight. The text is on a light grey (dddddd) background, with glass
# lighting effect.
$c->addTitle(
    "<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Molecular Temperature Control ".
    "<*img=star.png*><*img=star.png*><*/*>", "Times New Roman Bold Italic", 15)->setBackground(
    0xdddddd, 0, glassEffect());

# Add a title to the y axis
$c->yAxis->setTitle("Temperature");

# Add a title to the x axis using CMDL
$c->xAxis->setTitle("<*block,valign=absmiddle*><*img=clock.png*>  Elapsed Time (hour)<*/*>");

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

# Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
$c->xAxis->setLabelStep(3, 1);

# Set the axes width to 2 pixels
$c->xAxis->setWidth(2);
$c->yAxis->setWidth(2);

# Add a line layer to the chart
$lineLayer = $c->addLineLayer2();

# Add a blue (0xff) data set to the line layer, with yellow (0xffff80) diamond symbols
$lineLayer->addDataSet($data, 0x0000ff)->setDataSymbol(DiamondSymbol, 12, 0xffff80);

# Set the line width to 2 pixels
$lineLayer->setLineWidth(2);

# Add a box whisker layer to the chart. Use the upper and lower mark of the box whisker layer to act
# as error zones. The upper and lower marks are computed using the ArrayMath object.
$upperMark = new ArrayMath($data);
$upperMark->add($errData);

$lowerMark = new ArrayMath($data);
$lowerMark->sub($errData);

$errLayer = $c->addBoxWhiskerLayer(null, null, $upperMark->result(), $lowerMark->result(), $data,
    Transparent, 0xbb6633);

# Set the line width to 2 pixels
$errLayer->setLineWidth(2);

# Set the error zone to occupy half the space between the symbols
$errLayer->setDataGap(0.5);

# Add a custom CDML text at the bottom right of the plot area as the logo
$c->addText(575, 247,
    "<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*><*font=Times New Roman Bold ".
    "Italic,size=10,color=804040*>Molecular\nEngineering<*/*>")->setAlignment(BottomRight);

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

# Include tool tip for the chart. We only need to show the tool tip for the box whisker layer.
$viewer->setImageMap($errLayer->getHTMLImageMap("", "",
    "title='Temperature at hour {xLabel}: {med} +/- {={med}-{min}} C'"));
?>

<!DOCTYPE html>
<html>
<head>
    <title>Line with Error Symbols</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;">
        Line with Error Symbols
    </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>