ChartDirector 7.0 (ASP/COM/VB Edition)

Simple Radar Chart




This example demonstrates the basic steps in creating radar charts.

Source Code Listing

[Web Version (in ASP)] aspdemo\simpleradar.asp
<%@ language="vbscript" %> <% Set cd = CreateObject("ChartDirector.API") ' The data for the chart data = Array(90, 60, 65, 75, 40) ' The labels for the chart labels = Array("Speed", "Reliability", "Comfort", "Safety", "Efficiency") ' Create a PolarChart object of size 450 x 350 pixels Set c = cd.PolarChart(450, 350) ' Set center of plot area at (225, 185) with radius 150 pixels Call c.setPlotArea(225, 185, 150) ' Add an area layer to the polar chart Call c.addAreaLayer(data, &H9999ff) ' Set the labels to the angular axis as spokes Call c.angularAxis().setLabels(labels) ' Output the chart Set viewer = cd.WebChartViewer(Request, "chart1") Call viewer.setChart(c, cd.SVG) ' Include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: score = {value}'") %> <!DOCTYPE html> <html> <head> <title>Simple Radar Chart</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;"> Simple Radar Chart </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a> </div> <!-- ****** Here is the chart image ****** --> <%= viewer.renderHTML() %> </body> </html>

[Windows Version (in Visual Basic)] vbdemo\simpleradar.cls
Public Sub createChart(viewer As Object, chartIndex As Integer) Dim cd As New ChartDirector.API ' The data for the chart Dim data() data = Array(90, 60, 65, 75, 40) ' The labels for the chart Dim labels() labels = Array("Speed", "Reliability", "Comfort", "Safety", "Efficiency") ' Create a PolarChart object of size 450 x 350 pixels Dim c As PolarChart Set c = cd.PolarChart(450, 350) ' Set center of plot area at (225, 185) with radius 150 pixels Call c.setPlotArea(225, 185, 150) ' Add an area layer to the polar chart Call c.addAreaLayer(data, &H9999ff) ' Set the labels to the angular axis as spokes Call c.angularAxis().setLabels(labels) ' Output the chart Set viewer.Picture = c.makePicture() 'include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", "title='{label}: score = {value}'") End Sub