ChartDirector 6.2 (.NET Edition)

Surface Chart (2)

This example extends the Surface Chart (1) example by adding surface grid and contour lines, and using alternative view angles and continuous coloring.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\surface2.cs
 ```using System; using ChartDirector; namespace CSharpChartExplorer { public class surface2 : DemoModule { //Name of demo module public string getName() { return "Surface Chart (2)"; } //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 x and y coordinates of the grid double[] dataX = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; double[] dataY = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; // The values at the grid points. In this example, we will compute the values using the // formula z = sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi) double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = (dataY[yIndex] - 0.5) * 2 * 3.1416; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = (dataX[xIndex] - 0.5) * 2 * 3.1416; dataZ[yIndex * dataX.Length + xIndex] = Math.Sin(x) * Math.Sin(y); } } // Create a SurfaceChart object of size 720 x 540 pixels SurfaceChart c = new SurfaceChart(720, 540); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Quantum Wave Function", "Times New Roman Italic", 20); // Set the center of the plot region at (360, 245), and set width x depth x height to // 360 x 360 x 270 pixels c.setPlotRegion(360, 245, 360, 360, 270); // 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); // Spline interpolate data to a 80 x 80 grid for a smooth surface c.setInterpolation(80, 80); // Set surface grid lines to semi-transparent black (dd000000) c.setSurfaceAxisGrid(unchecked((int)0xdd000000)); // Set contour lines to semi-transparent white (80ffffff) c.setContourColor(unchecked((int)0x80ffffff)); // Add a color axis (the legend) in which the left center is anchored at (645, 270). Set // the length to 200 pixels and the labels on the right side. Use smooth gradient // coloring. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right).setColorGradient(); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("x/L(x)", "Arial Bold", 10); c.yAxis().setTitle("y/L(y)", "Arial Bold", 10); c.zAxis().setTitle("Wave Function Amplitude", "Arial Bold", 10); // Output the chart viewer.Chart = c; } } }```

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\surface2.vb
 ```Imports System Imports Microsoft.VisualBasic Imports ChartDirector Public Class surface2 Implements DemoModule 'Name of demo module Public Function getName() As String Implements DemoModule.getName Return "Surface Chart (2)" 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 x and y coordinates of the grid Dim dataX() As Double = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0} Dim dataY() As Double = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0} ' The values at the grid points. In this example, we will compute the values using the ' formula z = sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi) 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) - 0.5) * 2 * 3.1416 For xIndex As Integer = 0 To UBound(dataX) Dim x As Double = (dataX(xIndex) - 0.5) * 2 * 3.1416 dataZ(yIndex * (UBound(dataX) + 1) + xIndex) = Math.Sin(x) * Math.Sin(y) Next Next ' Create a SurfaceChart object of size 720 x 540 pixels Dim c As SurfaceChart = New SurfaceChart(720, 540) ' Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Quantum Wave Function", "Times New Roman Italic", 20) ' Set the center of the plot region at (360, 245), and set width x depth x height to 360 x ' 360 x 270 pixels c.setPlotRegion(360, 245, 360, 360, 270) ' 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) ' Spline interpolate data to a 80 x 80 grid for a smooth surface c.setInterpolation(80, 80) ' Set surface grid lines to semi-transparent black (dd000000) c.setSurfaceAxisGrid(&Hdd000000) ' Set contour lines to semi-transparent white (80ffffff) c.setContourColor(&H80ffffff) ' Add a color axis (the legend) in which the left center is anchored at (645, 270). Set the ' length to 200 pixels and the labels on the right side. Use smooth gradient coloring. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right).setColorGradient() ' Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("x/L(x)", "Arial Bold", 10) c.yAxis().setTitle("y/L(y)", "Arial Bold", 10) c.zAxis().setTitle("Wave Function Amplitude", "Arial Bold", 10) ' Output the chart viewer.Chart = c End Sub End Class```

[WPF - C#] NetWPFCharts\surface2.cs
 ```using System; using ChartDirector; namespace CSharpWPFDemo { public class surface2 : DemoModule { //Name of demo module public string getName() { return "Surface Chart (2)"; } //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 x and y coordinates of the grid double[] dataX = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; double[] dataY = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; // The values at the grid points. In this example, we will compute the values using the // formula z = sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi) double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = (dataY[yIndex] - 0.5) * 2 * 3.1416; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = (dataX[xIndex] - 0.5) * 2 * 3.1416; dataZ[yIndex * dataX.Length + xIndex] = Math.Sin(x) * Math.Sin(y); } } // Create a SurfaceChart object of size 720 x 540 pixels SurfaceChart c = new SurfaceChart(720, 540); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Quantum Wave Function", "Times New Roman Italic", 20); // Set the center of the plot region at (360, 245), and set width x depth x height to // 360 x 360 x 270 pixels c.setPlotRegion(360, 245, 360, 360, 270); // 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); // Spline interpolate data to a 80 x 80 grid for a smooth surface c.setInterpolation(80, 80); // Set surface grid lines to semi-transparent black (dd000000) c.setSurfaceAxisGrid(unchecked((int)0xdd000000)); // Set contour lines to semi-transparent white (80ffffff) c.setContourColor(unchecked((int)0x80ffffff)); // Add a color axis (the legend) in which the left center is anchored at (645, 270). Set // the length to 200 pixels and the labels on the right side. Use smooth gradient // coloring. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right).setColorGradient(); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("x/L(x)", "Arial Bold", 10); c.yAxis().setTitle("y/L(y)", "Arial Bold", 10); c.zAxis().setTitle("Wave Function Amplitude", "Arial Bold", 10); // Output the chart viewer.Chart = c; } } }```

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\surface2.aspx
 ```<%@ Page Language="C#" Debug="true" %> <%@ Import Namespace="ChartDirector" %> <%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %> ```

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surface2.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 Surface2Controller : Controller { // // Default Action // public ActionResult Index() { ViewBag.Title = "Surface Chart (2)"; createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1")); return View("~/Views/Shared/ChartView.cshtml"); } // // Create chart // private void createChart(RazorChartViewer viewer) { // The x and y coordinates of the grid double[] dataX = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; double[] dataY = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0}; // The values at the grid points. In this example, we will compute the values using the // formula z = sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi) double[] dataZ = new double[dataX.Length * dataY.Length]; for(int yIndex = 0; yIndex < dataY.Length; ++yIndex) { double y = (dataY[yIndex] - 0.5) * 2 * 3.1416; for(int xIndex = 0; xIndex < dataX.Length; ++xIndex) { double x = (dataX[xIndex] - 0.5) * 2 * 3.1416; dataZ[yIndex * dataX.Length + xIndex] = Math.Sin(x) * Math.Sin(y); } } // Create a SurfaceChart object of size 720 x 540 pixels SurfaceChart c = new SurfaceChart(720, 540); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Quantum Wave Function", "Times New Roman Italic", 20); // Set the center of the plot region at (360, 245), and set width x depth x height to 360 x // 360 x 270 pixels c.setPlotRegion(360, 245, 360, 360, 270); // 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); // Spline interpolate data to a 80 x 80 grid for a smooth surface c.setInterpolation(80, 80); // Set surface grid lines to semi-transparent black (dd000000) c.setSurfaceAxisGrid(unchecked((int)0xdd000000)); // Set contour lines to semi-transparent white (80ffffff) c.setContourColor(unchecked((int)0x80ffffff)); // Add a color axis (the legend) in which the left center is anchored at (645, 270). Set the // length to 200 pixels and the labels on the right side. Use smooth gradient coloring. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right).setColorGradient(); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("x/L(x)", "Arial Bold", 10); c.yAxis().setTitle("y/L(y)", "Arial Bold", 10); c.zAxis().setTitle("Wave Function Amplitude", "Arial Bold", 10); // Output the chart viewer.Image = c.makeWebImage(Chart.JPG); } } }```
 ```@{ Layout = null; } @ViewBag.Title