ChartDirector 6.2 (.NET Edition)

Surface Perspective

This example demonstrates the effects of various perspective depth, configured using ThreeDChart.setPerspective.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\surfaceperspective.cs
 ```using System; using ChartDirector; namespace CSharpChartExplorer { public class surfaceperspective : DemoModule { //Name of demo module public string getName() { return "Surface Perspective"; } //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 = {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); } } // the perspective level int perspective = chartIndex * 12; // Create a SurfaceChart object of size 360 x 360 pixels, with white (ffffff) background // and grey (888888) border. SurfaceChart c = new SurfaceChart(360, 360, 0xffffff, 0x888888); // Set the perspective level c.setPerspective(perspective); c.addTitle("Perspective = " + perspective); // Set the center of the plot region at (195, 165), and set width x depth x height to // 200 x 200 x 150 pixels c.setPlotRegion(195, 165, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 30 and 30 degrees c.setViewAngle(30, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Spline interpolate data to a 40 x 40 grid for a smooth surface c.setInterpolation(40, 40); // Use smooth gradient coloring. c.colorAxis().setColorGradient(); // Output the chart viewer.Chart = c; } } }```

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\surfaceperspective.vb
 ```Imports System Imports Microsoft.VisualBasic Imports ChartDirector Public Class surfaceperspective Implements DemoModule 'Name of demo module Public Function getName() As String Implements DemoModule.getName Return "Surface Perspective" 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 = {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 ' the perspective level Dim perspective As Integer = chartIndex * 12 ' Create a SurfaceChart object of size 360 x 360 pixels, with white (ffffff) background and ' grey (888888) border. Dim c As SurfaceChart = New SurfaceChart(360, 360, &Hffffff, &H888888) ' Set the perspective level c.setPerspective(perspective) c.addTitle("Perspective = " & perspective) ' Set the center of the plot region at (195, 165), and set width x depth x height to 200 x ' 200 x 150 pixels c.setPlotRegion(195, 165, 200, 200, 150) ' Set the plot region wall thichness to 5 pixels c.setWallThickness(5) ' Set the elevation and rotation angles to 30 and 30 degrees c.setViewAngle(30, 30) ' Set the data to use to plot the chart c.setData(dataX, dataY, dataZ) ' Spline interpolate data to a 40 x 40 grid for a smooth surface c.setInterpolation(40, 40) ' Use smooth gradient coloring. c.colorAxis().setColorGradient() ' Output the chart viewer.Chart = c End Sub End Class```

[WPF - C#] NetWPFCharts\surfaceperspective.cs
 ```using System; using ChartDirector; namespace CSharpWPFDemo { public class surfaceperspective : DemoModule { //Name of demo module public string getName() { return "Surface Perspective"; } //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 = {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); } } // the perspective level int perspective = chartIndex * 12; // Create a SurfaceChart object of size 360 x 360 pixels, with white (ffffff) background // and grey (888888) border. SurfaceChart c = new SurfaceChart(360, 360, 0xffffff, 0x888888); // Set the perspective level c.setPerspective(perspective); c.addTitle("Perspective = " + perspective); // Set the center of the plot region at (195, 165), and set width x depth x height to // 200 x 200 x 150 pixels c.setPlotRegion(195, 165, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 30 and 30 degrees c.setViewAngle(30, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Spline interpolate data to a 40 x 40 grid for a smooth surface c.setInterpolation(40, 40); // Use smooth gradient coloring. c.colorAxis().setColorGradient(); // Output the chart viewer.Chart = c; } } }```

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

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surfaceperspective.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 SurfaceperspectiveController : Controller { // // Default Action // public ActionResult Index() { ViewBag.Title = "Surface Perspective"; // 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 = {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); } } // the perspective level int perspective = chartIndex * 12; // Create a SurfaceChart object of size 360 x 360 pixels, with white (ffffff) background and // grey (888888) border. SurfaceChart c = new SurfaceChart(360, 360, 0xffffff, 0x888888); // Set the perspective level c.setPerspective(perspective); c.addTitle("Perspective = " + perspective); // Set the center of the plot region at (195, 165), and set width x depth x height to 200 x // 200 x 150 pixels c.setPlotRegion(195, 165, 200, 200, 150); // Set the plot region wall thichness to 5 pixels c.setWallThickness(5); // Set the elevation and rotation angles to 30 and 30 degrees c.setViewAngle(30, 30); // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ); // Spline interpolate data to a 40 x 40 grid for a smooth surface c.setInterpolation(40, 40); // Use smooth gradient coloring. c.colorAxis().setColorGradient(); // Output the chart viewer.Image = c.makeWebImage(Chart.JPG); } } }```
 ```@{ Layout = null; } @ViewBag.Title