ChartDirector 6.2 (.NET Edition)

3D Donut Chart




This example demonstrates a 3D donut chart with sector gradient shading. It also demonstrates gradient color background, rounded frame, custom sector colors, and using CDML and Parameter Substitution and Formatting to format sector labels

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\threeddonut.cs
using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class threeddonut : DemoModule
    {
        //Name of demo module
        public string getName() { return "3D Donut Chart"; }

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

        //Main code for creating chart.
        //Note: the argument chartIndex is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, int chartIndex)
        {
            // The data for the pie chart
            double[] data = {20, 10, 15, 12};

            // The labels for the pie chart
            string[] labels = {"Labor", "Licenses", "Facilities", "Production"};

            // The colors to use for the sectors
            int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

            // Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from
            // deep blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels
            // radius.
            PieChart c = new PieChart(600, 320);
            c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x000066, 0x0000cc));
            c.setRoundedFrame(0xffffff, 20);

            // Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
            // top/bottom margins to 8 pixels.
            ChartDirector.TextBox title = c.addTitle("Donut Chart Demonstration",
                "Times New Roman Bold Italic", 18, 0xffffff);
            title.setMargin2(0, 0, 8, 8);

            // Add a separator line in white color just under the title
            c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), 0xffffff);

            // Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
            c.setDonutSize(300, 170, 120, 60);

            // Draw the pie in 3D with a pie thickness of 25 pixels
            c.set3D(25);

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

            // Set the sector colors
            c.setColors2(Chart.DataColor, colors);

            // Use local gradient shading for the sectors
            c.setSectorStyle(Chart.LocalGradientShading);

            // Set sector border color to same as fill color. Set label join line color to white
            // (ffffff)
            c.setLineColor(Chart.SameAsMainColor, 0xffffff);

            // Use the side label layout method, with the labels positioned 16 pixels from the donut
            // bounding box
            c.setLabelLayout(Chart.SideLayout, 16);

            // Set the sector label format. The label consists of two lines. The first line is the
            // sector name in Times Bold Italic font and is underlined. The second line shows the
            // data value and percentage.
            c.setLabelFormat(
                "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>" +
                "{label}<*/font*><*br*>US$ {value}K ({percent}%)");

            // Set the label box background color the same as the sector color. Use soft lighting
            // effect with light direction from right. Use rounded corners.
            ChartDirector.TextBox t = c.setLabelStyle();
            t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right
                ));
            t.setRoundedCorners();

            // Output the chart
            viewer.Chart = c;

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

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\threeddonut.vb
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class threeddonut
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "3D 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 chartIndex is unused because this demo only has 1 chart.
    Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
        Implements DemoModule.createChart

        ' The data for the pie chart
        Dim data() As Double = {20, 10, 15, 12}

        ' The labels for the pie chart
        Dim labels() As String = {"Labor", "Licenses", "Facilities", "Production"}

        ' The colors to use for the sectors
        Dim colors() As Integer = {&H66aaee, &Heebb22, &Hcccccc, &Hcc88ff}

        ' Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep
        ' blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
        Dim c As PieChart = New PieChart(600, 320)
        c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), &H000066, &H0000cc))
        c.setRoundedFrame(&Hffffff, 20)

        ' Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
        ' top/bottom margins to 8 pixels.
        Dim title As ChartDirector.TextBox = c.addTitle("Donut Chart Demonstration", _
            "Times New Roman Bold Italic", 18, &Hffffff)
        title.setMargin2(0, 0, 8, 8)

        ' Add a separator line in white color just under the title
        c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), &Hffffff)

        ' Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
        c.setDonutSize(300, 170, 120, 60)

        ' Draw the pie in 3D with a pie thickness of 25 pixels
        c.set3D(25)

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

        ' Set the sector colors
        c.setColors2(Chart.DataColor, colors)

        ' Use local gradient shading for the sectors
        c.setSectorStyle(Chart.LocalGradientShading)

        ' Set sector border color to same as fill color. Set label join line color to white (ffffff)
        c.setLineColor(Chart.SameAsMainColor, &Hffffff)

        ' Use the side label layout method, with the labels positioned 16 pixels from the donut
        ' bounding box
        c.setLabelLayout(Chart.SideLayout, 16)

        ' Set the sector label format. The label consists of two lines. The first line is the sector
        ' name in Times Bold Italic font and is underlined. The second line shows the data value and
        ' percentage.
        c.setLabelFormat( _
            "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>" & _
            "{label}<*/font*><*br*>US$ {value}K ({percent}%)")

        ' Set the label box background color the same as the sector color. Use soft lighting effect
        ' with light direction from right. Use rounded corners.
        Dim t As ChartDirector.TextBox = c.setLabelStyle()
        t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right))
        t.setRoundedCorners()

        ' Output the chart
        viewer.Chart = c

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

    End Sub

End Class

[WPF - C#] NetWPFCharts\threeddonut.cs
using System;
using ChartDirector;

namespace CSharpWPFDemo
{
    public class threeddonut : DemoModule
    {
        //Name of demo module
        public string getName() { return "3D Donut Chart"; }

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

        //Main code for creating chart.
        //Note: the argument chartIndex is unused because this demo only has 1 chart.
        public void createChart(WPFChartViewer viewer, int chartIndex)
        {
            // The data for the pie chart
            double[] data = {20, 10, 15, 12};

            // The labels for the pie chart
            string[] labels = {"Labor", "Licenses", "Facilities", "Production"};

            // The colors to use for the sectors
            int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

            // Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from
            // deep blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels
            // radius.
            PieChart c = new PieChart(600, 320);
            c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x000066, 0x0000cc));
            c.setRoundedFrame(0xffffff, 20);

            // Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
            // top/bottom margins to 8 pixels.
            ChartDirector.TextBox title = c.addTitle("Donut Chart Demonstration",
                "Times New Roman Bold Italic", 18, 0xffffff);
            title.setMargin2(0, 0, 8, 8);

            // Add a separator line in white color just under the title
            c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), 0xffffff);

            // Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
            c.setDonutSize(300, 170, 120, 60);

            // Draw the pie in 3D with a pie thickness of 25 pixels
            c.set3D(25);

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

            // Set the sector colors
            c.setColors2(Chart.DataColor, colors);

            // Use local gradient shading for the sectors
            c.setSectorStyle(Chart.LocalGradientShading);

            // Set sector border color to same as fill color. Set label join line color to white
            // (ffffff)
            c.setLineColor(Chart.SameAsMainColor, 0xffffff);

            // Use the side label layout method, with the labels positioned 16 pixels from the donut
            // bounding box
            c.setLabelLayout(Chart.SideLayout, 16);

            // Set the sector label format. The label consists of two lines. The first line is the
            // sector name in Times Bold Italic font and is underlined. The second line shows the
            // data value and percentage.
            c.setLabelFormat(
                "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>" +
                "{label}<*/font*><*br*>US$ {value}K ({percent}%)");

            // Set the label box background color the same as the sector color. Use soft lighting
            // effect with light direction from right. Use rounded corners.
            ChartDirector.TextBox t = c.setLabelStyle();
            t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right
                ));
            t.setRoundedCorners();

            // Output the chart
            viewer.Chart = c;

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

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\threeddonut.aspx
(Click here on how to convert this code to code-behind style.)
<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<script runat="server">

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    // The data for the pie chart
    double[] data = {20, 10, 15, 12};

    // The labels for the pie chart
    string[] labels = {"Labor", "Licenses", "Facilities", "Production"};

    // The colors to use for the sectors
    int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

    // Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep
    // blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
    PieChart c = new PieChart(600, 320);
    c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x000066, 0x0000cc));
    c.setRoundedFrame(0xffffff, 20);

    // Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
    // top/bottom margins to 8 pixels.
    ChartDirector.TextBox title = c.addTitle("Donut Chart Demonstration",
        "Times New Roman Bold Italic", 18, 0xffffff);
    title.setMargin2(0, 0, 8, 8);

    // Add a separator line in white color just under the title
    c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), 0xffffff);

    // Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
    c.setDonutSize(300, 170, 120, 60);

    // Draw the pie in 3D with a pie thickness of 25 pixels
    c.set3D(25);

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

    // Set the sector colors
    c.setColors2(Chart.DataColor, colors);

    // Use local gradient shading for the sectors
    c.setSectorStyle(Chart.LocalGradientShading);

    // Set sector border color to same as fill color. Set label join line color to white (ffffff)
    c.setLineColor(Chart.SameAsMainColor, 0xffffff);

    // Use the side label layout method, with the labels positioned 16 pixels from the donut
    // bounding box
    c.setLabelLayout(Chart.SideLayout, 16);

    // Set the sector label format. The label consists of two lines. The first line is the sector
    // name in Times Bold Italic font and is underlined. The second line shows the data value and
    // percentage.
    c.setLabelFormat(
        "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>{label}" +
        "<*/font*><*br*>US$ {value}K ({percent}%)");

    // Set the label box background color the same as the sector color. Use soft lighting effect
    // with light direction from right. Use rounded corners.
    ChartDirector.TextBox t = c.setLabelStyle();
    t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right));
    t.setRoundedCorners();

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

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

</script>

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

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\threeddonut.aspx
(Click here on how to convert this code to code-behind style.)
<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<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 = {20, 10, 15, 12}

    ' The labels for the pie chart
    Dim labels() As String = {"Labor", "Licenses", "Facilities", "Production"}

    ' The colors to use for the sectors
    Dim colors() As Integer = {&H66aaee, &Heebb22, &Hcccccc, &Hcc88ff}

    ' Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep
    ' blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
    Dim c As PieChart = New PieChart(600, 320)
    c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), &H000066, &H0000cc))
    c.setRoundedFrame(&Hffffff, 20)

    ' Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
    ' top/bottom margins to 8 pixels.
    Dim title As ChartDirector.TextBox = c.addTitle("Donut Chart Demonstration", _
        "Times New Roman Bold Italic", 18, &Hffffff)
    title.setMargin2(0, 0, 8, 8)

    ' Add a separator line in white color just under the title
    c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), &Hffffff)

    ' Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
    c.setDonutSize(300, 170, 120, 60)

    ' Draw the pie in 3D with a pie thickness of 25 pixels
    c.set3D(25)

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

    ' Set the sector colors
    c.setColors2(Chart.DataColor, colors)

    ' Use local gradient shading for the sectors
    c.setSectorStyle(Chart.LocalGradientShading)

    ' Set sector border color to same as fill color. Set label join line color to white (ffffff)
    c.setLineColor(Chart.SameAsMainColor, &Hffffff)

    ' Use the side label layout method, with the labels positioned 16 pixels from the donut bounding
    ' box
    c.setLabelLayout(Chart.SideLayout, 16)

    ' Set the sector label format. The label consists of two lines. The first line is the sector
    ' name in Times Bold Italic font and is underlined. The second line shows the data value and
    ' percentage.
    c.setLabelFormat( _
        "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>{label}" & _
        "<*/font*><*br*>US$ {value}K ({percent}%)")

    ' Set the label box background color the same as the sector color. Use soft lighting effect with
    ' light direction from right. Use rounded corners.
    Dim t As ChartDirector.TextBox = c.setLabelStyle()
    t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right))
    t.setRoundedCorners()

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

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

End Sub

</script>

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

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\ThreeddonutController.cs
using System;
using System.Web.Mvc;
using ChartDirector;

namespace NetMvcCharts.Controllers
{
    public class ThreeddonutController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "3D Donut Chart";
            createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1"));
            return View("~/Views/Shared/ChartView.cshtml");
        }

        //
        // Create chart
        //
        private void createChart(RazorChartViewer viewer)
        {
            // The data for the pie chart
            double[] data = {20, 10, 15, 12};

            // The labels for the pie chart
            string[] labels = {"Labor", "Licenses", "Facilities", "Production"};

            // The colors to use for the sectors
            int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

            // Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep
            // blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
            PieChart c = new PieChart(600, 320);
            c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x000066, 0x0000cc));
            c.setRoundedFrame(0xffffff, 20);

            // Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
            // top/bottom margins to 8 pixels.
            ChartDirector.TextBox title = c.addTitle("Donut Chart Demonstration",
                "Times New Roman Bold Italic", 18, 0xffffff);
            title.setMargin2(0, 0, 8, 8);

            // Add a separator line in white color just under the title
            c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), 0xffffff);

            // Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
            c.setDonutSize(300, 170, 120, 60);

            // Draw the pie in 3D with a pie thickness of 25 pixels
            c.set3D(25);

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

            // Set the sector colors
            c.setColors2(Chart.DataColor, colors);

            // Use local gradient shading for the sectors
            c.setSectorStyle(Chart.LocalGradientShading);

            // Set sector border color to same as fill color. Set label join line color to white (ffffff)
            c.setLineColor(Chart.SameAsMainColor, 0xffffff);

            // Use the side label layout method, with the labels positioned 16 pixels from the donut
            // bounding box
            c.setLabelLayout(Chart.SideLayout, 16);

            // Set the sector label format. The label consists of two lines. The first line is the sector
            // name in Times Bold Italic font and is underlined. The second line shows the data value and
            // percentage.
            c.setLabelFormat(
                "<*block,halign=left*><*font=Times New Roman Bold Italic,size=12,underline=1*>{label}" +
                "<*/font*><*br*>US$ {value}K ({percent}%)");

            // Set the label box background color the same as the sector color. Use soft lighting effect
            // with light direction from right. Use rounded corners.
            ChartDirector.TextBox t = c.setLabelStyle();
            t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.softLighting(Chart.Right));
            t.setRoundedCorners();

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

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

[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml
@{ Layout = null; }

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>@ViewBag.Title</title>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        @ViewBag.Title
    </div>
    <hr style="border:solid 1px #000080" />
    <div>
        @{
            if (ViewBag.Viewer is Array)
            {
                // Display multiple charts
                for (int i = 0; i < ViewBag.Viewer.Length; ++i)
                {
                    @:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
                }
            }
            else
            {
                // Display one chart only
                @:@Html.Raw(ViewBag.Viewer.RenderHTML())
            }
        }
    </div>
</body>
</html>