ChartDirector 7.1 (.NET Edition)

Icon Pie Chart (1)




This example demonstrates using CDML and Parameter Substitution and Formatting to include icons in sector labels. It also demonstrates gradient background color, glass shading effect for the title and rounded corners for the chart frame.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\iconpie.cs
using System; using ChartDirector; namespace CSharpChartExplorer { public class iconpie : DemoModule { //Name of demo module public string getName() { return "Icon Pie Chart (1)"; } //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 = {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 = {"@/images/sun.png", "@/images/cloud.png", "@/images/rain.png", "@/images/snowy.png"}; // Create a PieChart object of size 400 x 310 pixels, with a blue (CCCCFF) vertical // metal gradient background, black border, 1 pixel 3D border effect and rounded corners PieChart c = new PieChart(400, 310, Chart.metalColor(0xccccff, 0), 0x000000, 1); c.setRoundedFrame(); // Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100); // Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with // glass effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15 ).setBackground(0xccccff, 0x000000, Chart.glassEffect()); // 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}%)'"); } } }

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\iconpie.vb
Imports System Imports Microsoft.VisualBasic Imports ChartDirector Public Class iconpie Implements DemoModule 'Name of demo module Public Function getName() As String Implements DemoModule.getName Return "Icon Pie Chart (1)" 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 = {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 310 pixels, with a blue (CCCCFF) vertical metal ' gradient background, black border, 1 pixel 3D border effect and rounded corners Dim c As PieChart = New PieChart(400, 310, Chart.metalColor(&Hccccff, 0), &H000000, 1) c.setRoundedFrame() ' Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100) ' Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with ' glass effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15 _ ).setBackground(&Hccccff, &H000000, Chart.glassEffect()) ' 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

[WPF - C#] NetWPFCharts\CSharpWPFCharts\iconpie.cs
using System; using ChartDirector; namespace CSharpWPFCharts { public class iconpie : DemoModule { //Name of demo module public string getName() { return "Icon Pie Chart (1)"; } //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 = {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 = {"@/images/sun.png", "@/images/cloud.png", "@/images/rain.png", "@/images/snowy.png"}; // Create a PieChart object of size 400 x 310 pixels, with a blue (CCCCFF) vertical // metal gradient background, black border, 1 pixel 3D border effect and rounded corners PieChart c = new PieChart(400, 310, Chart.metalColor(0xccccff, 0), 0x000000, 1); c.setRoundedFrame(); // Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100); // Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with // glass effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15 ).setBackground(0xccccff, 0x000000, Chart.glassEffect()); // 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}%)'"); } } }

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\iconpie.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 = {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 310 pixels, with a blue (CCCCFF) vertical metal // gradient background, black border, 1 pixel 3D border effect and rounded corners PieChart c = new PieChart(400, 310, Chart.metalColor(0xccccff, 0), 0x000000, 1); c.setRoundedFrame(); //Set default directory for loading images from current script directory c.setSearchPath(Server.MapPath(".")); // Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100); // Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with glass // effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15).setBackground( 0xccccff, 0x000000, Chart.glassEffect()); // 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.SVG); // Include tool tip for the chart WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} days ({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\iconpie.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 = {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 310 pixels, with a blue (CCCCFF) vertical metal ' gradient background, black border, 1 pixel 3D border effect and rounded corners Dim c As PieChart = New PieChart(400, 310, Chart.metalColor(&Hccccff, 0), &H000000, 1) c.setRoundedFrame() ' Set default directory for loading images from current script directory Call c.setSearchPath(Server.MapPath(".")) ' Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100) ' Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with glass ' effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15).setBackground( _ &Hccccff, &H000000, Chart.glassEffect()) ' 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.SVG) ' Include tool tip for the chart WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _ "title='{label}: {value} days ({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\IconpieController.cs
using System; using System.Web.Mvc; using ChartDirector; namespace NetMvcCharts.Controllers { public class IconpieController : Controller { // // Default Action // public ActionResult Index() { ViewBag.Title = "Icon Pie Chart (1)"; 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 = {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 310 pixels, with a blue (CCCCFF) vertical metal // gradient background, black border, 1 pixel 3D border effect and rounded corners PieChart c = new PieChart(400, 310, Chart.metalColor(0xccccff, 0), 0x000000, 1); c.setRoundedFrame(); //Set default directory for loading images c.setSearchPath(Url.Content("~/Content")); // Set the center of the pie at (200, 180) and the radius to 100 pixels c.setPieSize(200, 180, 100); // Add a title box using 15pt Times Bold Italic font, on a blue (CCCCFF) background with // glass effect c.addTitle("Weather Profile in Wonderland", "Times New Roman Bold Italic", 15).setBackground( 0xccccff, 0x000000, Chart.glassEffect()); // 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.Image = c.makeWebImage(Chart.SVG); // Include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} days ({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>