This example modifies the
Icon Pie Chart example by using a semi-transparent donut instead of a pie, and using metallic background color.
[Web Version (in ASP)] aspdemo\icondonut.asp
<%@ language="vbscript" %>
<%
Set cd = CreateObject("ChartDirector.API")
' The data for the pie chart
data = Array(72, 18, 15, 12)
' The depths for the sectors
depths = Array(30, 20, 10, 10)
' The labels for the pie chart
labels = Array("Sunny", "Cloudy", "Rainy", "Snowy")
' The icons for the sectors
icons = Array("sun.png", "cloud.png", "rain.png", "snowy.png")
' Create a PieChart object of size 400 x 300 pixels
Set c = cd.PieChart(400, 300)
' Use the semi-transparent palette for this chart
Call c.setColors(cd.transparentPalette)
' Set the background to metallic light blue (CCFFFF), with a black border and 1 pixel 3D border
' effect,
Call c.setBackground(cd.metalColor(&Hccccff), &H000000, 1)
' Set default directory for loading images from current script directory
Call c.setSearchPath(Server.MapPath("."))
' Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
Call c.setDonutSize(200, 175, 100, 50)
' Add a title box using 15pt Times Bold Italic font and metallic blue (8888FF) background color
Call c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15).setBackground( _
cd.metalColor(&H8888ff))
' Set the pie data and the pie labels
Call c.setData(data, labels)
' Add icons to the chart as a custom field
Call c.addExtraField(icons)
' Configure the sector labels using CDML to include the icon images
Call c.setLabelFormat( _
"<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}<*br*>{percent}%<*/*><*/*>")
' Draw the pie in 3D with variable 3D depths
Call c.set3D2(depths)
' Set the start angle to 225 degrees may improve layout when the depths of the sector are sorted in
' descending order, because it ensures the tallest sector is at the back.
Call c.setStartAngle(225)
' 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}: {value} days ({percent}%)'")
%>
<!DOCTYPE html>
<html>
<head>
<title>Icon Donut 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;">
Icon Donut 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\icondonut.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(72, 18, 15, 12)
' The depths for the sectors
Dim depths()
depths = Array(30, 20, 10, 10)
' The labels for the pie chart
Dim labels()
labels = Array("Sunny", "Cloudy", "Rainy", "Snowy")
' The icons for the sectors
Dim icons()
icons = Array("sun.png", "cloud.png", "rain.png", "snowy.png")
' Create a PieChart object of size 400 x 300 pixels
Dim c As PieChart
Set c = cd.PieChart(400, 300)
' Use the semi-transparent palette for this chart
Call c.setColors(cd.transparentPalette)
' Set the background to metallic light blue (CCFFFF), with a black border and 1 pixel 3D border
' effect,
Call c.setBackground(cd.metalColor(&Hccccff), &H000000, 1)
' Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
Call c.setDonutSize(200, 175, 100, 50)
' Add a title box using 15pt Times Bold Italic font and metallic blue (8888FF) background color
Call c.addTitle("Weather Profile in Wonderland", "timesbi.ttf", 15).setBackground( _
cd.metalColor(&H8888ff))
' Set the pie data and the pie labels
Call c.setData(data, labels)
' Add icons to the chart as a custom field
Call c.addExtraField(icons)
' Configure the sector labels using CDML to include the icon images
Call c.setLabelFormat( _
"<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}<*br*>{percent}%<*/*><*/*>")
' Draw the pie in 3D with variable 3D depths
Call c.set3D2(depths)
' Set the start angle to 225 degrees may improve layout when the depths of the sector are sorted
' in descending order, because it ensures the tallest sector is at the back.
Call c.setStartAngle(225)
' Output the chart
Set viewer.Picture = c.makePicture()
'include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
"title='{label}: {value} days ({percent}%)'")
End Sub
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