Surface Projection

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

# The x and y coordinates of the grid
$dataX = array(0, 1, 2, 3, 4, 5, 6, 7, 8);
$dataY = array(0, 1, 2, 3, 4, 5, 6, 7, 8);

# Use random numbers for the z values on the XY grid
$r = new RanSeries(11);
$dataZ = $r->get2DSeries(count($dataX), count($dataY), 0.1, 1.9);

# Create a SurfaceChart object of size 680 x 580 pixels
$c = new SurfaceChart(680, 580);

# Set the center of the plot region at (310, 280), and set width x depth x height to 320 x 320 x 240
# pixels
$c->setPlotRegion(310, 280, 320, 320, 240);

# Set the elevation and rotation angles to 30 and 45 degrees
$c->setViewAngle(30, 45);

# Set the data to use to plot the chart
$c->setData($dataX, $dataY, $dataZ);

# Spline interpolate data to a 80 x 80 grid for a smooth surface
$c->setInterpolation(80, 80);

# Use semi-transparent black (c0000000) for x and y major surface grid lines. Use dotted style for x
# and y minor surface grid lines.
$majorGridColor = 0xc0000000;
$minorGridColor = $c->dashLineColor($majorGridColor, DotLine);
$c->setSurfaceAxisGrid($majorGridColor, $majorGridColor, $minorGridColor, $minorGridColor);

# Add XY projection
$c->addXYProjection();

# Set contour lines to semi-transparent white (0x7fffffff)
$c->setContourColor(0x7fffffff);

# Add a color axis (the legend) in which the left center is anchored at (620, 250). Set the length
# to 200 pixels and the labels on the right side.
$c->setColorAxis(620, 250, Left, 200, Right);

# Set the x, y and z axis titles using 12 pt Arial Bold font
$c->xAxis->setTitle("X Title<*br*>Placeholder", "Arial Bold", 12);
$c->yAxis->setTitle("Y Title<*br*>Placeholder", "Arial Bold", 12);
$c->zAxis->setTitle("Z Title Placeholder", "Arial Bold", 12);

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

<!DOCTYPE html>
<html>
<head>
    <title>Surface Projection</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;">
        Surface Projection
    </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>