ChartDirector 6.0 (ASP/COM/VB Edition)

3D Pie Chart




This example extends the Simple Pie Chart example by drawing the chart in 3D, adding a title, and exploding a sector.

Source Code Listing

[Web Version (in ASP)] aspdemo\threedpie.asp
<%@ language="vbscript" %>
<%
Set cd = CreateObject("ChartDirector.API")

' The data for the pie chart
data = Array(25, 18, 15, 12, 8, 30, 35)

' The labels for the pie chart
labels = Array("Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities", "Production")

' Create a PieChart object of size 360 x 300 pixels
Set c = cd.PieChart(360, 300)

' Set the center of the pie at (180, 140) and the radius to 100 pixels
Call c.setPieSize(180, 140, 100)

' Add a title to the pie chart
Call c.addTitle("Project Cost Breakdown")

' Draw the pie in 3D
Call c.set3D()

' Set the pie data and the pie labels
Call c.setData(data, labels)

' Explode the 1st sector (index = 0)
Call c.setExplode(0)

' Output the chart
Response.ContentType = "image/png"
Response.BinaryWrite c.makeChart2(cd.PNG)
Response.End
%>

[Windows Version (in Visual Basic)] vbdemo\threedpie.cls
Public Sub createChart(viewer As Object, chartIndex As Integer)

    Dim cd As New ChartDirector.API

    ' The data for the pie chart
    Dim data()
    data = Array(25, 18, 15, 12, 8, 30, 35)

    ' The labels for the pie chart
    Dim labels()
    labels = Array("Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities", "Production")

    ' Create a PieChart object of size 360 x 300 pixels
    Dim c As PieChart
    Set c = cd.PieChart(360, 300)

    ' Set the center of the pie at (180, 140) and the radius to 100 pixels
    Call c.setPieSize(180, 140, 100)

    ' Add a title to the pie chart
    Call c.addTitle("Project Cost Breakdown")

    ' Draw the pie in 3D
    Call c.set3D()

    ' Set the pie data and the pie labels
    Call c.setData(data, labels)

    ' Explode the 1st sector (index = 0)
    Call c.setExplode(0)

    ' Output the chart
    Set viewer.Picture = c.makePicture()

    'include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
        "title='{label}: US${value}K ({percent}%)'")

End Sub