ChartDirector 6.0 (ColdFusion Edition)
Log Scale Axis
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(chartIndex) { // Declare local variables var data = 0; var labels = 0; var c = 0; var ret = 0; // The data for the chart data = Array(100, 125, 260, 147, 67); labels = Array("Mon", "Tue", "Wed", "Thu", "Fri"); // Create a XYChart object of size 200 x 180 pixels c = cd.XYChart(200, 180); // Set the plot area at (30, 10) and of size 140 x 130 pixels c.setPlotArea(30, 10, 140, 130); // Ise log scale axis if required if (chartIndex EQ 1) { c.yAxis().setLogScale3(); } // Set the labels on the x axis c.xAxis().setLabels(labels); // Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars. c.addBarLayer3(data).setBorderColor(-1, 1); // Output the chart ret = StructNew(); ret.imageURL = c.makeSession(GetPageContext(), "chart" & chartIndex); // Include tool tip for the chart ret.imageMap = c.getHTMLImageMap("", "", "title='Mileage on {xLabel}: {value} miles'"); return ret; } chart0 = createChart(0); chart1 = createChart(1); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Log Scale Axis </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> </cfoutput> </body> </html> |