ChartDirector 6.2 (.NET Edition)

Surface Chart (1)

This example demonstrates the basic steps in creating surface charts.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\surface.cs
 ```using System; using ChartDirector; namespace CSharpChartExplorer { public class surface : DemoModule { //Name of demo module public string getName() { return "Surface 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 x and y coordinates of the grid double[] dataX = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; double[] dataY = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; // The values at the grid points. In this example, we will compute the values using the // formula z = x * sin(y) + y * sin(x). 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] = x * Math.Sin(y) + y * Math.Sin(x); } } // Create a SurfaceChart object of size 720 x 600 pixels SurfaceChart c = new SurfaceChart(720, 600); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Surface Energy Density ", "Times New Roman Italic", 20); // Set the center of the plot region at (350, 280), and set width x depth x height to // 360 x 360 x 270 pixels c.setPlotRegion(350, 280, 360, 360, 270); // 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); // 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. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("X (nm)", "Arial Bold", 10); c.yAxis().setTitle("Y (nm)", "Arial Bold", 10); c.zAxis().setTitle("Energy Density (J/m<*font,super*>2<*/font*>)", "Arial Bold", 10); // Output the chart viewer.Chart = c; } } }```

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\surface.vb
 ```Imports System Imports Microsoft.VisualBasic Imports ChartDirector Public Class surface Implements DemoModule 'Name of demo module Public Function getName() As String Implements DemoModule.getName Return "Surface 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 x and y coordinates of the grid Dim dataX() As Double = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, _ 8, 9, 10} Dim dataY() As Double = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, _ 8, 9, 10} ' The values at the grid points. In this example, we will compute the values using the ' formula z = x * sin(y) + y * sin(x). 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) = x * Math.Sin(y) + y * Math.Sin(x) Next Next ' Create a SurfaceChart object of size 720 x 600 pixels Dim c As SurfaceChart = New SurfaceChart(720, 600) ' Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Surface Energy Density ", "Times New Roman Italic", 20) ' Set the center of the plot region at (350, 280), and set width x depth x height to 360 x ' 360 x 270 pixels c.setPlotRegion(350, 280, 360, 360, 270) ' 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) ' 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. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right) ' Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("X (nm)", "Arial Bold", 10) c.yAxis().setTitle("Y (nm)", "Arial Bold", 10) c.zAxis().setTitle("Energy Density (J/m<*font,super*>2<*/font*>)", "Arial Bold", 10) ' Output the chart viewer.Chart = c End Sub End Class```

[WPF - C#] NetWPFCharts\surface.cs
 ```using System; using ChartDirector; namespace CSharpWPFDemo { public class surface : DemoModule { //Name of demo module public string getName() { return "Surface 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 x and y coordinates of the grid double[] dataX = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; double[] dataY = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; // The values at the grid points. In this example, we will compute the values using the // formula z = x * sin(y) + y * sin(x). 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] = x * Math.Sin(y) + y * Math.Sin(x); } } // Create a SurfaceChart object of size 720 x 600 pixels SurfaceChart c = new SurfaceChart(720, 600); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Surface Energy Density ", "Times New Roman Italic", 20); // Set the center of the plot region at (350, 280), and set width x depth x height to // 360 x 360 x 270 pixels c.setPlotRegion(350, 280, 360, 360, 270); // 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); // 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. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("X (nm)", "Arial Bold", 10); c.yAxis().setTitle("Y (nm)", "Arial Bold", 10); c.zAxis().setTitle("Energy Density (J/m<*font,super*>2<*/font*>)", "Arial Bold", 10); // Output the chart viewer.Chart = c; } } }```

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

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surface.aspx
 ```<%@ Page Language="VB" Debug="true" %> <%@ Import Namespace="ChartDirector" %> <%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %> ```

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\SurfaceController.cs
 ```using System; using System.Web.Mvc; using ChartDirector; namespace NetMvcCharts.Controllers { public class SurfaceController : Controller { // // Default Action // public ActionResult Index() { ViewBag.Title = "Surface Chart (1)"; 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 = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; double[] dataY = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; // The values at the grid points. In this example, we will compute the values using the // formula z = x * sin(y) + y * sin(x). 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] = x * Math.Sin(y) + y * Math.Sin(x); } } // Create a SurfaceChart object of size 720 x 600 pixels SurfaceChart c = new SurfaceChart(720, 600); // Add a title to the chart using 20 points Times New Roman Italic font c.addTitle("Surface Energy Density ", "Times New Roman Italic", 20); // Set the center of the plot region at (350, 280), and set width x depth x height to 360 x // 360 x 270 pixels c.setPlotRegion(350, 280, 360, 360, 270); // 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); // 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. c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right); // Set the x, y and z axis titles using 10 points Arial Bold font c.xAxis().setTitle("X (nm)", "Arial Bold", 10); c.yAxis().setTitle("Y (nm)", "Arial Bold", 10); c.zAxis().setTitle("Energy Density (J/m<*font,super*>2<*/font*>)", "Arial Bold", 10); // Output the chart viewer.Image = c.makeWebImage(Chart.JPG); } } }```

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

@{ 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()) } }
```