ChartDirector 7.1 (.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\CSharpWPFCharts\threeddonut.cs
using System; using ChartDirector; namespace CSharpWPFCharts { 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.SVG); // Include tool tip for the chart WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'" ); } </script> <html> <head> <script type="text/javascript" src="cdjcv.js"></script> </head> <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.SVG) ' Include tool tip for the chart WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _ "title='{label}: US${value}K ({percent}%)'") End Sub </script> <html> <head> <script type="text/javascript" src="cdjcv.js"></script> </head> <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.SVG); // 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> <style> @ViewBag.Style </style> @Scripts.Render("~/Scripts/cdjcv.js") </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> @ViewBag.Title </div> <hr style="border:solid 1px #000080; background:#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>