This example demonstrates the effects of different bar gaps configured using BarLayer.setBarGap.
ChartDirector Ver 5.0 (ColdFusion Edition)
Bar Gap
Source Code Listing
<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;
}
// Function to create the demo charts
function createChart(img)
{
// Declare local variables
var bargap = 0;
var data = 0;
var labels = 0;
var c = 0;
var ret = 0;
bargap = Int(img) * 0.25 - 0.25;
// The data for the bar chart
data = Array(100, 125, 245, 147, 67);
// The labels for the bar chart
labels = Array("Mon", "Tue", "Wed", "Thu", "Fri");
// Create a XYChart object of size 150 x 150 pixels
c = cd.XYChart(150, 150);
// Set the plotarea at (27, 20) and of size 120 x 100 pixels
c.setPlotArea(27, 20, 120, 100);
// Set the labels on the x axis
c.xAxis().setLabels(labels);
if (bargap GTE 0) {
// Add a title to display to bar gap using 8 pts Arial font
c.addTitle(" Bar Gap = " & bargap, "Arial", 8);
} else {
// Use negative value to mean TouchBar
c.addTitle(" Bar Gap = TouchBar", "Arial", 8);
bargap = cd.TouchBar;
}
// Add a bar chart layer using the given data and set the bar gap
c.addBarLayer(data).setBarGap(bargap);
// Output the chart
ret = StructNew();
ret.imageURL = c.makeSession(GetPageContext(), "chart" & img);
// Include tool tip for the chart
ret.imageMap = c.getHTMLImageMap("", "",
"title='Production on {xLabel}: {value} kg'");
return ret;
}
chart0 = createChart(0);
chart1 = createChart(1);
chart2 = createChart(2);
chart3 = createChart(3);
chart4 = createChart(4);
chart5 = createChart(5);
</cfscript>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Bar Gap
</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?#chart0.imageURL#" usemap="##map0" border="0" />
<map name="map0">#chart0.imageMap#</map>
<img src="getchart.cfm?#chart1.imageURL#" usemap="##map1" border="0" />
<map name="map1">#chart1.imageMap#</map>
<img src="getchart.cfm?#chart2.imageURL#" usemap="##map2" border="0" />
<map name="map2">#chart2.imageMap#</map>
<img src="getchart.cfm?#chart3.imageURL#" usemap="##map3" border="0" />
<map name="map3">#chart3.imageMap#</map>
<img src="getchart.cfm?#chart4.imageURL#" usemap="##map4" border="0" />
<map name="map4">#chart4.imageMap#</map>
<img src="getchart.cfm?#chart5.imageURL#" usemap="##map5" border="0" />
<map name="map5">#chart5.imageMap#</map>
</cfoutput>
</body>
</html> |