ChartDirector 6.0 (ASP/COM/VB Edition)

3D Depth


        

This example demonstrates the effects of different 3D depths.

ChartDirector allows the 3D depth and angles to be configured using PieChart.set3D and PieChart.set3D2.

Source Code Listing

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

' This script can draw different charts depending on the chartIndex
chartIndex = CInt(Request("img"))

' the tilt angle of the pie
depth = chartIndex * 5 + 5

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

' Create a PieChart object of size 100 x 110 pixels
Set c = cd.PieChart(100, 110)

' Set the center of the pie at (50, 55) and the radius to 38 pixels
Call c.setPieSize(50, 55, 38)

' Set the depth of the 3D pie
Call c.set3D(depth)

' Add a title showing the depth
Call c.addTitle("Depth = " & depth & " pixels", "arial.ttf", 8)

' Set the pie data
Call c.setData(data)

' Disable the sector labels by setting the color to Transparent
Call c.setLabelStyle("", 8, cd.Transparent)

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

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

    Dim cd As New ChartDirector.API

    ' the tilt angle of the pie
    Dim depth As Long
    depth = chartIndex * 5 + 5

    ' 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 100 x 110 pixels
    Dim c As PieChart
    Set c = cd.PieChart(100, 110)

    ' Set the center of the pie at (50, 55) and the radius to 38 pixels
    Call c.setPieSize(50, 55, 38)

    ' Set the depth of the 3D pie
    Call c.set3D(depth)

    ' Add a title showing the depth
    Call c.addTitle("Depth = " & depth & " pixels", "arial.ttf", 8)

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

    ' Disable the sector labels by setting the color to Transparent
    Call c.setLabelStyle("", 8, cd.Transparent)

    ' 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