multiline.cfm
Back to Chart Graphics
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<cfscript>
// 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 line chart
data0 = 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);
data1 = Array(50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59,
73, 77, 84, 82, 80, 84, 98);
data2 = Array(36, 28, 25, 33, 38, 20, 22, 30, 25, 33, 30, 24, 28, 15, 21, 26, 46, 42,
48, 45, 43, 52, 64, 60, 70);
// The labels for the line 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 an XYChart object of size 600 x 300 pixels, with a light blue (EEEEFF)
// background, black border, 1 pxiel 3D border effect and rounded corners
c = cd.XYChart(600, 300, "0xeeeeff", "0x000000", 1);
c.setRoundedFrame();
// Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white background.
// Turn on both horizontal and vertical grid lines with light grey color (0xcccccc)
c.setPlotArea(55, 58, 520, 195, "0xffffff", -1, -1, "0xcccccc", "0xcccccc");
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 9 pts
// Arial Bold font. Set the background and border color to Transparent.
c.addLegend(50, 30, False, "Arial Bold", 9).setBackground(cd.Transparent);
// Add a title box to the chart using 15 pts Times Bold Italic font, on a light blue
// (CCCCFF) background with glass effect. white (0xffffff) on a dark red (0x800000)
// background, with a 1 pixel 3D border.
c.addTitle("Application Server Throughput", "Times New Roman Bold Italic", 15
).setBackground("0xccccff", "0x000000", cd.glassEffect());
// Add a title to the y axis
c.yAxis().setTitle("MBytes per hour");
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Display 1 out of 3 labels on the x-axis.
c.xAxis().setLabelStep(3);
// Add a title to the x axis
c.xAxis().setTitle("Jun 12, 2006");
// Add a line layer to the chart
layer = c.addLineLayer2();
// Set the default line width to 2 pixels
layer.setLineWidth(2);
// Add the three data sets to the line layer. For demo purpose, we use a dash line
// color for the last line
layer.addDataSet(data0, "0xff0000", "Server ##1");
layer.addDataSet(data1, "0x008800", "Server ##2");
layer.addDataSet(data2, c.dashLineColor("0x3333ff", cd.DashLine), "Server ##3");
// Output the chart
chart1URL = c.makeSession(GetPageContext(), "chart1");
// Include tool tip for the chart
imageMap1 = c.getHTMLImageMap("", "",
"title='[{dataSetName}] Hour {xLabel}: {value} MBytes'");
</cfscript>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Multi-Line Chart
</div>
<hr style="border:solid 1px #000080" />
<cfoutput>
<div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em">
<a href='viewsource.cfm?file=#CGI.SCRIPT_NAME#'>View Source Code</a>
</div>
<img src="getchart.cfm?#chart1URL#" usemap="##map1" border="0" />
<map name="map1">#imageMap1#</map>
</cfoutput>
</body>
</html>
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