multibar.cfm
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// ChartDirector for ColdFusion API Access Point
cd = CreateObject("java", "ChartDirector.CFChart");
// A utility to allow us to create arrays with data in one line of code
function Array() {
var result = ArrayNew(1);
var i = 0;
for (i = 1; i LTE ArrayLen(arguments); i = i + 1)
result[i] = arguments[i];
return result;
}
// The data for the bar chart
data0 = Array(100, 125, 245, 147, 67);
data1 = Array(85, 156, 179, 211, 123);
data2 = Array(97, 87, 56, 267, 157);
labels = Array("Mon", "Tue", "Wed", "Thu", "Fri");
// Create a XYChart object of size 400 x 240 pixels
c = cd.XYChart(400, 240);
// Add a title to the chart using 10 pt Arial font
c.addTitle(" Average Weekday Network Load", "", 10);
// Set the plot area at (50, 25) and of size 320 x 180. Use two alternative
// background colors (0xffffc0 and 0xffffe0)
c.setPlotArea(50, 25, 320, 180, "0xffffc0", "0xffffe0");
// Add a legend box at (55, 18) using horizontal layout. Use 8 pt Arial font, with
// transparent background
c.addLegend(55, 18, False, "", 8).setBackground(cd.Transparent);
// Add a title to the y-axis
c.yAxis().setTitle("Throughput (MBytes Per Hour)");
// Reserve 20 pixels at the top of the y-axis for the legend box
c.yAxis().setTopMargin(20);
// Set the x axis labels
c.xAxis().setLabels(labels);
// Add a multi-bar layer with 3 data sets and 3 pixels 3D depth
layer = c.addBarLayer2(cd.Side, 3);
layer.addDataSet(data0, "0xff8080", "Server ##1");
layer.addDataSet(data1, "0x80ff80", "Server ##2");
layer.addDataSet(data2, "0x8080ff", "Server ##3");
// Output the chart
chart1URL = c.makeSession(GetPageContext(), "chart1");
// Include tool tip for the chart
imageMap1 = c.getHTMLImageMap("", "",
"title='{dataSetName} on {xLabel}: {value} MBytes/hour'");
Multi-Bar Chart