ChartDirector 7.0 (PHP Edition)

Multi-Color Bar Chart (2)




This example extends the Multi-Color Bar Chart (1) example by decorating the the bars with rounded corners and gradient shading.

Source Code Listing

[File: phpdemo/colorbar2.php]
<?php require_once("../lib/phpchartdir.php"); # The data for the bar chart $data = array(85, 156, 179, 211, 123, 189, 166); # The labels for the bar chart $labels = array("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"); # The colors for the bars $colors = array(0x5588bb, 0x66bbbb, 0xaa6644, 0x99bb55, 0xee9944, 0x444466, 0xbb5555); # Create a XYChart object of size 600 x 360 pixels $c = new XYChart(600, 360); # Set the plotarea at (70, 20) and of size 500 x 300 pixels, with transparent background and border # and light grey (0xcccccc) horizontal grid lines $c->setPlotArea(70, 20, 500, 300, Transparent, -1, Transparent, 0xcccccc); # Set the x and y axis stems to transparent and the label font to 12pt Arial $c->xAxis->setColors(Transparent); $c->yAxis->setColors(Transparent); $c->xAxis->setLabelStyle("Arial", 12); $c->yAxis->setLabelStyle("Arial", 12); # Add a multi-color bar chart layer using the given data $layer = $c->addBarLayer3($data, $colors); # Use bar gradient lighting with the light intensity from 0.8 to 1.15 $layer->setBorderColor(Transparent, barLighting(0.8, 1.15)); # Set rounded corners for bars $layer->setRoundedCorners(); # Set the labels on the x axis. $c->xAxis->setLabels($labels); # For the automatic y-axis labels, set the minimum spacing to 40 pixels. $c->yAxis->setTickDensity(40); # Add a title to the y axis using dark grey (0x555555) 14pt Arial font $c->yAxis->setTitle("Y-Axis Title Placeholder", "Arial", 14, 0x555555); # Output the chart $viewer = new WebChartViewer("chart1"); $viewer->setChart($c, SVG); # Include tool tip for the chart $viewer->setImageMap($c->getHTMLImageMap("", "", "title='{xLabel}: \${value}M'")); ?> <!DOCTYPE html> <html> <head> <title>Multi-Color Bar Chart (2)</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;"> Multi-Color Bar Chart (2) </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>