ChartDirector 6.2 (.NET Edition)

Surface Wireframe

This example demonstrates the rectangular and triangular wireframes of a surface at different interpolation levels, configured using SurfaceChart.setShadingMode and SurfaceChart.setInterpolation.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\surfacewireframe.cs
 ```using System; using ChartDirector; namespace CSharpChartExplorer { public class surfacewireframe : DemoModule { //Name of demo module public string getName() { return "Surface Wireframe"; } //Number of charts produced in this demo module public int getNoOfCharts() { return 6; } //Main code for creating charts public void createChart(WinChartViewer viewer, int chartIndex) { // The x and y coordinates of the grid double[] dataX = {-2, -1, 0, 1, 2}; double[] dataY = {-2, -1, 0, 1, 2}; // The values at the grid points. In this example, we will compute the values using the // formula z = square_root(15 - x * x - y * y). double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = dataY[yIndex]; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = dataX[xIndex]; dataZ[yIndex * dataX.Length + xIndex] = Math.Sqrt(15 - x * x - y * y); } } // Create a SurfaceChart object of size 380 x 340 pixels, with white (ffffff) background // and grey (888888) border. SurfaceChart c = new SurfaceChart(380, 340, 0xffffff, 0x888888); // Demonstrate various wireframes with and without interpolation if (chartIndex == 0) { // Original data without interpolation c.addTitle("5 x 5 Data Points\nStandard Shading", "Arial Bold", 12); c.setContourColor(unchecked((int)0x80ffffff)); } else if (chartIndex == 1) { // Original data, spline interpolated to 40 x 40 for smoothness c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nStandard Shading", "Arial Bold", 12); c.setContourColor(unchecked((int)0x80ffffff)); c.setInterpolation(40, 40); } else if (chartIndex == 2) { // Rectangular wireframe of original data c.addTitle("5 x 5 Data Points\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); } else if (chartIndex == 3) { // Rectangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); c.setInterpolation(40, 40); } else if (chartIndex == 4) { // Triangular wireframe of original data c.addTitle("5 x 5 Data Points\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); } else { // Triangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); c.setInterpolation(40, 40); } // Set the center of the plot region at (200, 170), and set width x depth x height to // 200 x 200 x 150 pixels c.setPlotRegion(200, 170, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 20 and 30 degrees c.setViewAngle(20, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Output the chart viewer.Chart = c; } } }```

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\surfacewireframe.vb
 ```Imports System Imports Microsoft.VisualBasic Imports ChartDirector Public Class surfacewireframe Implements DemoModule 'Name of demo module Public Function getName() As String Implements DemoModule.getName Return "Surface Wireframe" End Function 'Number of charts produced in this demo module Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts Return 6 End Function 'Main code for creating charts Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _ Implements DemoModule.createChart ' The x and y coordinates of the grid Dim dataX() As Double = {-2, -1, 0, 1, 2} Dim dataY() As Double = {-2, -1, 0, 1, 2} ' The values at the grid points. In this example, we will compute the values using the ' formula z = square_root(15 - x * x - y * y). Dim dataZ((UBound(dataX) + 1) * (UBound(dataY) + 1) - 1) As Double For yIndex As Integer = 0 To UBound(dataY) Dim y As Double = dataY(yIndex) For xIndex As Integer = 0 To UBound(dataX) Dim x As Double = dataX(xIndex) dataZ(yIndex * (UBound(dataX) + 1) + xIndex) = Math.Sqrt(15 - x * x - y * y) Next Next ' Create a SurfaceChart object of size 380 x 340 pixels, with white (ffffff) background and ' grey (888888) border. Dim c As SurfaceChart = New SurfaceChart(380, 340, &Hffffff, &H888888) ' Demonstrate various wireframes with and without interpolation If chartIndex = 0 Then ' Original data without interpolation c.addTitle("5 x 5 Data Points<*br*>Standard Shading", "Arial Bold", 12) c.setContourColor(&H80ffffff) ElseIf chartIndex = 1 Then ' Original data, spline interpolated to 40 x 40 for smoothness c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40<*br*>Standard Shading", _ "Arial Bold", 12) c.setContourColor(&H80ffffff) c.setInterpolation(40, 40) ElseIf chartIndex = 2 Then ' Rectangular wireframe of original data c.addTitle("5 x 5 Data Points<*br*>Rectangular Wireframe") c.setShadingMode(Chart.RectangularFrame) ElseIf chartIndex = 3 Then ' Rectangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40<*br*>Rectangular Wireframe") c.setShadingMode(Chart.RectangularFrame) c.setInterpolation(40, 40) ElseIf chartIndex = 4 Then ' Triangular wireframe of original data c.addTitle("5 x 5 Data Points<*br*>Triangular Wireframe") c.setShadingMode(Chart.TriangularFrame) Else ' Triangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40<*br*>Triangular Wireframe") c.setShadingMode(Chart.TriangularFrame) c.setInterpolation(40, 40) End If ' Set the center of the plot region at (200, 170), and set width x depth x height to 200 x ' 200 x 150 pixels c.setPlotRegion(200, 170, 200, 200, 150) ' Set the plot region wall thichness to 5 pixels c.setWallThickness(5) ' Set the elevation and rotation angles to 20 and 30 degrees c.setViewAngle(20, 30) ' Set the data to use to plot the chart c.setData(dataX, dataY, dataZ) ' Output the chart viewer.Chart = c End Sub End Class```

[WPF - C#] NetWPFCharts\surfacewireframe.cs
 ```using System; using ChartDirector; namespace CSharpWPFDemo { public class surfacewireframe : DemoModule { //Name of demo module public string getName() { return "Surface Wireframe"; } //Number of charts produced in this demo module public int getNoOfCharts() { return 6; } //Main code for creating charts public void createChart(WPFChartViewer viewer, int chartIndex) { // The x and y coordinates of the grid double[] dataX = {-2, -1, 0, 1, 2}; double[] dataY = {-2, -1, 0, 1, 2}; // The values at the grid points. In this example, we will compute the values using the // formula z = square_root(15 - x * x - y * y). double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = dataY[yIndex]; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = dataX[xIndex]; dataZ[yIndex * dataX.Length + xIndex] = Math.Sqrt(15 - x * x - y * y); } } // Create a SurfaceChart object of size 380 x 340 pixels, with white (ffffff) background // and grey (888888) border. SurfaceChart c = new SurfaceChart(380, 340, 0xffffff, 0x888888); // Demonstrate various wireframes with and without interpolation if (chartIndex == 0) { // Original data without interpolation c.addTitle("5 x 5 Data Points\nStandard Shading", "Arial Bold", 12); c.setContourColor(unchecked((int)0x80ffffff)); } else if (chartIndex == 1) { // Original data, spline interpolated to 40 x 40 for smoothness c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nStandard Shading", "Arial Bold", 12); c.setContourColor(unchecked((int)0x80ffffff)); c.setInterpolation(40, 40); } else if (chartIndex == 2) { // Rectangular wireframe of original data c.addTitle("5 x 5 Data Points\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); } else if (chartIndex == 3) { // Rectangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); c.setInterpolation(40, 40); } else if (chartIndex == 4) { // Triangular wireframe of original data c.addTitle("5 x 5 Data Points\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); } else { // Triangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); c.setInterpolation(40, 40); } // Set the center of the plot region at (200, 170), and set width x depth x height to // 200 x 200 x 150 pixels c.setPlotRegion(200, 170, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 20 and 30 degrees c.setViewAngle(20, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Output the chart viewer.Chart = c; } } }```

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\surfacewireframe.aspx
 ```<%@ Page Language="C#" Debug="true" %> <%@ Import Namespace="ChartDirector" %> <%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %> ```

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surfacewireframe.aspx
 ```<%@ Page Language="VB" Debug="true" %> <%@ Import Namespace="ChartDirector" %> <%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %> ```
 ```using System; using System.Web.Mvc; using ChartDirector; namespace NetMvcCharts.Controllers { public class SurfacewireframeController : Controller { // // Default Action // public ActionResult Index() { ViewBag.Title = "Surface Wireframe"; // This example contains 6 charts. ViewBag.Viewer = new RazorChartViewer[6]; for (int i = 0; i < ViewBag.Viewer.Length; ++i) createChart(ViewBag.Viewer[i] = new RazorChartViewer(HttpContext, "chart" + i), i); return View("~/Views/Shared/ChartView.cshtml"); } // // Create chart // private void createChart(RazorChartViewer viewer, int chartIndex) { // The x and y coordinates of the grid double[] dataX = {-2, -1, 0, 1, 2}; double[] dataY = {-2, -1, 0, 1, 2}; // The values at the grid points. In this example, we will compute the values using the // formula z = square_root(15 - x * x - y * y). double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = dataY[yIndex]; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = dataX[xIndex]; dataZ[yIndex * dataX.Length + xIndex] = Math.Sqrt(15 - x * x - y * y); } } // Create a SurfaceChart object of size 380 x 340 pixels, with white (ffffff) background and // grey (888888) border. SurfaceChart c = new SurfaceChart(380, 340, 0xffffff, 0x888888); // Demonstrate various wireframes with and without interpolation if (chartIndex == 0) { // Original data without interpolation c.addTitle("5 x 5 Data Points\nStandard Shading", "Arial Bold", 12); c.setContourColor(unchecked((int)0x80ffffff)); } else if (chartIndex == 1) { // Original data, spline interpolated to 40 x 40 for smoothness c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nStandard Shading", "Arial Bold", 12) ; c.setContourColor(unchecked((int)0x80ffffff)); c.setInterpolation(40, 40); } else if (chartIndex == 2) { // Rectangular wireframe of original data c.addTitle("5 x 5 Data Points\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); } else if (chartIndex == 3) { // Rectangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nRectangular Wireframe"); c.setShadingMode(Chart.RectangularFrame); c.setInterpolation(40, 40); } else if (chartIndex == 4) { // Triangular wireframe of original data c.addTitle("5 x 5 Data Points\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); } else { // Triangular wireframe of original data spline interpolated to 40 x 40 c.addTitle("5 x 5 Points - Spline Fitted to 40 x 40\nTriangular Wireframe"); c.setShadingMode(Chart.TriangularFrame); c.setInterpolation(40, 40); } // Set the center of the plot region at (200, 170), and set width x depth x height to 200 x // 200 x 150 pixels c.setPlotRegion(200, 170, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 20 and 30 degrees c.setViewAngle(20, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Output the chart viewer.Image = c.makeWebImage(Chart.JPG); } } }```
 ```@{ Layout = null; } @ViewBag.Title