Icon Donut Chart

[ASP.NET - VB Version] NetWebCharts\VBNetASP\icondonut.aspx
(Click here on how to convert this code to Visual Studio code-behind style.)

<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">

'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

    ' The data for the pie chart
    Dim data() As Double = {72, 18, 15, 12}

    ' The depths for the sectors
    Dim depths() As Double = {30, 20, 10, 10}

    ' The labels for the pie chart
    Dim labels() As String = {"Sunny", "Cloudy", "Rainy", "Snowy"}

    ' The icons for the sectors
    Dim icons() As String = {"sun.png", "cloud.png", "rain.png", "snowy.png"}

    ' Create a PieChart object of size 400 x 300 pixels
    Dim c As PieChart = New PieChart(400, 300)

    ' Use the semi-transparent palette for this chart
    c.setColors(Chart.transparentPalette)

    ' Set the background to metallic light blue (CCFFFF), with a black border and 1
    ' pixel 3D border effect,
    c.setBackground(Chart.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
    c.setDonutSize(200, 175, 100, 50)

    ' Add a title box using 15 pts Times Bold Italic font and metallic blue (8888FF)
    ' background color
    c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15 _
        ).setBackground(Chart.metalColor(&H8888ff))

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

    ' Add icons to the chart as a custom field
    c.addExtraField(icons)

    ' Configure the sector labels using CDML to include the icon images
    c.setLabelFormat( _
        "<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}<*br*>" & _
        "{percent}%<*/*><*/*>")

    ' Draw the pie in 3D with variable 3D depths
    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.
    c.setStartAngle(225)

    ' Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG)

    ' Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _
        "title='{label}: {value} days ({percent}%)'")

End Sub

</script>
<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[ASP.NET - C# Version] NetWebCharts\CSharpASP\icondonut.aspx
(Click here on how to convert this code to Visual Studio code-behind style.)

<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    // The data for the pie chart
    double[] data = {72, 18, 15, 12};

    // The depths for the sectors
    double[] depths = {30, 20, 10, 10};

    // The labels for the pie chart
    string[] labels = {"Sunny", "Cloudy", "Rainy", "Snowy"};

    // The icons for the sectors
    string[] icons = {"sun.png", "cloud.png", "rain.png", "snowy.png"};

    // Create a PieChart object of size 400 x 300 pixels
    PieChart c = new PieChart(400, 300);

    // Use the semi-transparent palette for this chart
    c.setColors(Chart.transparentPalette);

    // Set the background to metallic light blue (CCFFFF), with a black border and 1
    // pixel 3D border effect,
    c.setBackground(Chart.metalColor(0xccccff), 0x000000, 1);

    //Set default directory for loading images from current script directory
    c.setSearchPath(Server.MapPath("."));

    // Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
    c.setDonutSize(200, 175, 100, 50);

    // Add a title box using 15 pts Times Bold Italic font and metallic blue (8888FF)
    // background color
    c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15
        ).setBackground(Chart.metalColor(0x8888ff));

    // Set the pie data and the pie labels
    c.setData(data, labels);

    // Add icons to the chart as a custom field
    c.addExtraField(icons);

    // Configure the sector labels using CDML to include the icon images
    c.setLabelFormat(
        "<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}\n{percent}%" +
        "<*/*><*/*>");

    // Draw the pie in 3D with variable 3D depths
    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.
    c.setStartAngle(225);

    // Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG);

    // Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "",
        "title='{label}: {value} days ({percent}%)'");
}

</script>
<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\icondonut.vb

Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class icondonut
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Icon Donut Chart"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 1
    End Function

    'Main code for creating chart.
    'Note: the argument img is unused because this demo only has 1 chart.
    Public Sub createChart(viewer As WinChartViewer, img As String) _
        Implements DemoModule.createChart

        ' The data for the pie chart
        Dim data() As Double = {72, 18, 15, 12}

        ' The depths for the sectors
        Dim depths() As Double = {30, 20, 10, 10}

        ' The labels for the pie chart
        Dim labels() As String = {"Sunny", "Cloudy", "Rainy", "Snowy"}

        ' The icons for the sectors
        Dim icons() As String = {"sun.png", "cloud.png", "rain.png", "snowy.png"}

        ' Create a PieChart object of size 400 x 300 pixels
        Dim c As PieChart = New PieChart(400, 300)

        ' Use the semi-transparent palette for this chart
        c.setColors(Chart.transparentPalette)

        ' Set the background to metallic light blue (CCFFFF), with a black border and
        ' 1 pixel 3D border effect,
        c.setBackground(Chart.metalColor(&Hccccff), &H000000, 1)

        ' Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
        c.setDonutSize(200, 175, 100, 50)

        ' Add a title box using 15 pts Times Bold Italic font and metallic blue
        ' (8888FF) background color
        c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", _
            15).setBackground(Chart.metalColor(&H8888ff))

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

        ' Add icons to the chart as a custom field
        c.addExtraField(icons)

        ' Configure the sector labels using CDML to include the icon images
        c.setLabelFormat( _
            "<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}<*br*>" & _
            "{percent}%<*/*><*/*>")

        ' Draw the pie in 3D with variable 3D depths
        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.
        c.setStartAngle(225)

        ' Output the chart
        viewer.Chart = c

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

    End Sub

End Class

[Windows Forms - C# Version] NetWinCharts\CSharpWinCharts\icondonut.cs

using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class icondonut : DemoModule
    {
        //Name of demo module
        public string getName() { return "Icon Donut Chart"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 1; }

        //Main code for creating chart.
        //Note: the argument img is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, string img)
        {
            // The data for the pie chart
            double[] data = {72, 18, 15, 12};

            // The depths for the sectors
            double[] depths = {30, 20, 10, 10};

            // The labels for the pie chart
            string[] labels = {"Sunny", "Cloudy", "Rainy", "Snowy"};

            // The icons for the sectors
            string[] icons = {"sun.png", "cloud.png", "rain.png", "snowy.png"};

            // Create a PieChart object of size 400 x 300 pixels
            PieChart c = new PieChart(400, 300);

            // Use the semi-transparent palette for this chart
            c.setColors(Chart.transparentPalette);

            // Set the background to metallic light blue (CCFFFF), with a black
            // border and 1 pixel 3D border effect,
            c.setBackground(Chart.metalColor(0xccccff), 0x000000, 1);

            // Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
            c.setDonutSize(200, 175, 100, 50);

            // Add a title box using 15 pts Times Bold Italic font and metallic blue
            // (8888FF) background color
            c.addTitle("Weather Profile in Wonderland",
                "Times New Roman Bold Italic", 15).setBackground(Chart.metalColor(
                0x8888ff));

            // Set the pie data and the pie labels
            c.setData(data, labels);

            // Add icons to the chart as a custom field
            c.addExtraField(icons);

            // Configure the sector labels using CDML to include the icon images
            c.setLabelFormat(
                "<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}\n" +
                "{percent}%<*/*><*/*>");

            // Draw the pie in 3D with variable 3D depths
            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.
            c.setStartAngle(225);

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='{label}: {value} days ({percent}%)'");
        }
    }
}