ChartDirector 7.0 (ASP/COM/VB Edition)

Multi-Shape Bar Chart




This example demonstrates a multi-bar chart in which each data set has a different bar shape.

The bar shapes are specified using BarLayer.setBarShape. See Shape Specification on how built-in and custom shapes are defined in ChartDirector.

Source Code Listing

[Web Version (in ASP)] aspdemo\multishapebar.asp
<%@ language="vbscript" %> <% Set cd = CreateObject("ChartDirector.API") ' The data for the bar chart data0 = Array(100, 125, 245, 147) data1 = Array(85, 156, 179, 211) data2 = Array(97, 87, 56, 267) labels = Array("1st Quarter", "2nd Quarter", "3rd Quarter", "4th Quarter") ' Create a XYChart object of size 600 x 350 pixels Set c = cd.XYChart(600, 350) ' Add a title to the chart using 14pt Arial Bold Italic font Call c.addTitle("Annual Product Revenue", "Arial Bold Italic", 14) ' Set the plot area at (50, 60) and of size 500 x 240. Use two alternative background colors (f8f8f8 ' and ffffff) Call c.setPlotArea(50, 60, 500, 240, &Hf8f8f8, &Hffffff) ' Add a legend box at (55, 22) using horizontal layout, with transparent background Call c.addLegend(55, 22, False).setBackground(cd.Transparent) ' Set the x axis labels Call c.xAxis().setLabels(labels) ' Draw the ticks between label positions (instead of at label positions) Call c.xAxis().setTickOffset(0.5) ' Add a multi-bar layer with 3 data sets and 9 pixels 3D depth Set layer = c.addBarLayer2(cd.Side, 9) Call layer.addDataSet(data0, -1, "Product A") Call layer.addDataSet(data1, -1, "Product B") Call layer.addDataSet(data2, -1, "Product C") ' Set data set 1 to use a bar shape of a 6-pointed star Call layer.setBarShape(cd.StarShape(6), 0) ' Set data set 2 to use a bar shapre of a 6-sided polygon Call layer.setBarShape(cd.PolygonShape(6), 1) ' Set data set 3 to use an X bar shape Call layer.setBarShape(cd.Cross2Shape(), 2) ' Add a title to the y-axis Call c.yAxis().setTitle("Revenue (USD in millions)") ' Add a title to the x axis Call c.xAxis().setTitle("Year 2005") ' 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='{dataSetName}: {xLabel} Revenue = {value} millions'") %> <!DOCTYPE html> <html> <head> <title>Multi-Shape Bar 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;"> Multi-Shape Bar 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\multishapebar.cls
Public Sub createChart(viewer As Object, chartIndex As Integer) Dim cd As New ChartDirector.API ' The data for the bar chart Dim data0() data0 = Array(100, 125, 245, 147) Dim data1() data1 = Array(85, 156, 179, 211) Dim data2() data2 = Array(97, 87, 56, 267) Dim labels() labels = Array("1st Quarter", "2nd Quarter", "3rd Quarter", "4th Quarter") ' Create a XYChart object of size 600 x 350 pixels Dim c As XYChart Set c = cd.XYChart(600, 350) ' Add a title to the chart using 14pt Arial Bold Italic font Call c.addTitle("Annual Product Revenue", "arialbi.ttf", 14) ' Set the plot area at (50, 60) and of size 500 x 240. Use two alternative background colors ' (f8f8f8 and ffffff) Call c.setPlotArea(50, 60, 500, 240, &Hf8f8f8, &Hffffff) ' Add a legend box at (55, 22) using horizontal layout, with transparent background Call c.addLegend(55, 22, False).setBackground(cd.Transparent) ' Set the x axis labels Call c.xAxis().setLabels(labels) ' Draw the ticks between label positions (instead of at label positions) Call c.xAxis().setTickOffset(0.5) ' Add a multi-bar layer with 3 data sets and 9 pixels 3D depth Dim layer As BarLayer Set layer = c.addBarLayer2(cd.Side, 9) Call layer.addDataSet(data0, -1, "Product A") Call layer.addDataSet(data1, -1, "Product B") Call layer.addDataSet(data2, -1, "Product C") ' Set data set 1 to use a bar shape of a 6-pointed star Call layer.setBarShape(cd.StarShape(6), 0) ' Set data set 2 to use a bar shapre of a 6-sided polygon Call layer.setBarShape(cd.PolygonShape(6), 1) ' Set data set 3 to use an X bar shape Call layer.setBarShape(cd.Cross2Shape(), 2) ' Add a title to the y-axis Call c.yAxis().setTitle("Revenue (USD in millions)") ' Add a title to the x axis Call c.xAxis().setTitle("Year 2005") ' Output the chart Set viewer.Picture = c.makePicture() 'include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", _ "title='{dataSetName}: {xLabel} Revenue = {value} millions'") End Sub