ChartDirector 6.2 (.NET Edition)

Surface Shading


      

This example demonstrates the effects of various surface shading methods, configured using SurfaceChart.setShadingMode.

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\surfaceshading.cs
using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class surfaceshading : DemoModule
    {
        //Name of demo module
        public string getName() { return "Surface Shading"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 4; }

        //Main code for creating charts
        public void createChart(WinChartViewer viewer, int chartIndex)
        {
            // The x and y coordinates of the grid
            double[] dataX = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10};
            double[] dataY = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background
            // and grey (888888) border.
            SurfaceChart c = new SurfaceChart(380, 400, 0xffffff, 0x888888);

            // Demonstrate various shading methods
            if (chartIndex == 0) {
                c.addTitle("11 x 11 Data Points\nSmooth Shading");
            } else if (chartIndex == 1) {
                c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50\nSmooth Shading");
                c.setInterpolation(50, 50);
            } else if (chartIndex == 2) {
                c.addTitle("11 x 11 Data Points\nRectangular Shading");
                c.setShadingMode(Chart.RectangularShading);
            } else {
                c.addTitle("11 x 11 Data Points\nTriangular Shading");
                c.setShadingMode(Chart.TriangularShading);
            }

            // Set the center of the plot region at (175, 200), and set width x depth x height to
            // 200 x 200 x 160 pixels
            c.setPlotRegion(175, 200, 200, 200, 160);

            // Set the plot region wall thichness to 5 pixels
            c.setWallThickness(5);

            // Set the elevation and rotation angles to 45 and 60 degrees
            c.setViewAngle(45, 60);

            // Set the perspective level to 35
            c.setPerspective(35);

            // Set the data to use to plot the chart
            c.setData(dataX, dataY, dataZ);

            // Set contour lines to semi-transparent black (c0000000)
            c.setContourColor(unchecked((int)0xc0000000));

            // Output the chart
            viewer.Chart = c;
        }
    }
}

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\surfaceshading.vb
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class surfaceshading
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Surface Shading"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 4
    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 = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10}
        Dim dataY() As Double = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background and
        ' grey (888888) border.
        Dim c As SurfaceChart = New SurfaceChart(380, 400, &Hffffff, &H888888)

        ' Demonstrate various shading methods
        If chartIndex = 0 Then
            c.addTitle("11 x 11 Data Points<*br*>Smooth Shading")
        ElseIf chartIndex = 1 Then
            c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50<*br*>Smooth Shading")
            c.setInterpolation(50, 50)
        ElseIf chartIndex = 2 Then
            c.addTitle("11 x 11 Data Points<*br*>Rectangular Shading")
            c.setShadingMode(Chart.RectangularShading)
        Else
            c.addTitle("11 x 11 Data Points<*br*>Triangular Shading")
            c.setShadingMode(Chart.TriangularShading)
        End If

        ' Set the center of the plot region at (175, 200), and set width x depth x height to 200 x
        ' 200 x 160 pixels
        c.setPlotRegion(175, 200, 200, 200, 160)

        ' Set the plot region wall thichness to 5 pixels
        c.setWallThickness(5)

        ' Set the elevation and rotation angles to 45 and 60 degrees
        c.setViewAngle(45, 60)

        ' Set the perspective level to 35
        c.setPerspective(35)

        ' Set the data to use to plot the chart
        c.setData(dataX, dataY, dataZ)

        ' Set contour lines to semi-transparent black (c0000000)
        c.setContourColor(&Hc0000000)

        ' Output the chart
        viewer.Chart = c

    End Sub

End Class

[WPF - C#] NetWPFCharts\surfaceshading.cs
using System;
using ChartDirector;

namespace CSharpWPFDemo
{
    public class surfaceshading : DemoModule
    {
        //Name of demo module
        public string getName() { return "Surface Shading"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 4; }

        //Main code for creating charts
        public void createChart(WPFChartViewer viewer, int chartIndex)
        {
            // The x and y coordinates of the grid
            double[] dataX = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10};
            double[] dataY = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background
            // and grey (888888) border.
            SurfaceChart c = new SurfaceChart(380, 400, 0xffffff, 0x888888);

            // Demonstrate various shading methods
            if (chartIndex == 0) {
                c.addTitle("11 x 11 Data Points\nSmooth Shading");
            } else if (chartIndex == 1) {
                c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50\nSmooth Shading");
                c.setInterpolation(50, 50);
            } else if (chartIndex == 2) {
                c.addTitle("11 x 11 Data Points\nRectangular Shading");
                c.setShadingMode(Chart.RectangularShading);
            } else {
                c.addTitle("11 x 11 Data Points\nTriangular Shading");
                c.setShadingMode(Chart.TriangularShading);
            }

            // Set the center of the plot region at (175, 200), and set width x depth x height to
            // 200 x 200 x 160 pixels
            c.setPlotRegion(175, 200, 200, 200, 160);

            // Set the plot region wall thichness to 5 pixels
            c.setWallThickness(5);

            // Set the elevation and rotation angles to 45 and 60 degrees
            c.setViewAngle(45, 60);

            // Set the perspective level to 35
            c.setPerspective(35);

            // Set the data to use to plot the chart
            c.setData(dataX, dataY, dataZ);

            // Set contour lines to semi-transparent black (c0000000)
            c.setContourColor(unchecked((int)0xc0000000));

            // Output the chart
            viewer.Chart = c;
        }
    }
}

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\surfaceshading.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">

//
// Create chart
//
protected void createChart(WebChartViewer viewer, int chartIndex)
{
    // The x and y coordinates of the grid
    double[] dataX = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10};
    double[] dataY = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background and
    // grey (888888) border.
    SurfaceChart c = new SurfaceChart(380, 400, 0xffffff, 0x888888);

    // Demonstrate various shading methods
    if (chartIndex == 0) {
        c.addTitle("11 x 11 Data Points\nSmooth Shading");
    } else if (chartIndex == 1) {
        c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50\nSmooth Shading");
        c.setInterpolation(50, 50);
    } else if (chartIndex == 2) {
        c.addTitle("11 x 11 Data Points\nRectangular Shading");
        c.setShadingMode(Chart.RectangularShading);
    } else {
        c.addTitle("11 x 11 Data Points\nTriangular Shading");
        c.setShadingMode(Chart.TriangularShading);
    }

    // Set the center of the plot region at (175, 200), and set width x depth x height to 200 x 200
    // x 160 pixels
    c.setPlotRegion(175, 200, 200, 200, 160);

    // Set the plot region wall thichness to 5 pixels
    c.setWallThickness(5);

    // Set the elevation and rotation angles to 45 and 60 degrees
    c.setViewAngle(45, 60);

    // Set the perspective level to 35
    c.setPerspective(35);

    // Set the data to use to plot the chart
    c.setData(dataX, dataY, dataZ);

    // Set contour lines to semi-transparent black (c0000000)
    c.setContourColor(unchecked((int)0xc0000000));

    // Output the chart
    viewer.Image = c.makeWebImage(Chart.JPG);
}

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    createChart(WebChartViewer0, 0);
    createChart(WebChartViewer1, 1);
    createChart(WebChartViewer2, 2);
    createChart(WebChartViewer3, 3);
}

</script>

<html>
<body>
    <chart:WebChartViewer id="WebChartViewer0" runat="server" />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surfaceshading.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">

'
' Create chart
'
Protected Sub createChart(viewer As WebChartViewer, chartIndex As Integer)

    ' The x and y coordinates of the grid
    Dim dataX() As Double = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10}
    Dim dataY() As Double = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background and grey
    ' (888888) border.
    Dim c As SurfaceChart = New SurfaceChart(380, 400, &Hffffff, &H888888)

    ' Demonstrate various shading methods
    If chartIndex = 0 Then
        c.addTitle("11 x 11 Data Points<*br*>Smooth Shading")
    ElseIf chartIndex = 1 Then
        c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50<*br*>Smooth Shading")
        c.setInterpolation(50, 50)
    ElseIf chartIndex = 2 Then
        c.addTitle("11 x 11 Data Points<*br*>Rectangular Shading")
        c.setShadingMode(Chart.RectangularShading)
    Else
        c.addTitle("11 x 11 Data Points<*br*>Triangular Shading")
        c.setShadingMode(Chart.TriangularShading)
    End If

    ' Set the center of the plot region at (175, 200), and set width x depth x height to 200 x 200 x
    ' 160 pixels
    c.setPlotRegion(175, 200, 200, 200, 160)

    ' Set the plot region wall thichness to 5 pixels
    c.setWallThickness(5)

    ' Set the elevation and rotation angles to 45 and 60 degrees
    c.setViewAngle(45, 60)

    ' Set the perspective level to 35
    c.setPerspective(35)

    ' Set the data to use to plot the chart
    c.setData(dataX, dataY, dataZ)

    ' Set contour lines to semi-transparent black (c0000000)
    c.setContourColor(&Hc0000000)

    ' Output the chart
    viewer.Image = c.makeWebImage(Chart.JPG)

End Sub

'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

    createChart(WebChartViewer0, 0)
    createChart(WebChartViewer1, 1)
    createChart(WebChartViewer2, 2)
    createChart(WebChartViewer3, 3)

End Sub

</script>

<html>
<body>
    <chart:WebChartViewer id="WebChartViewer0" runat="server" />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
</body>
</html>

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\SurfaceshadingController.cs
using System;
using System.Web.Mvc;
using ChartDirector;

namespace NetMvcCharts.Controllers
{
    public class SurfaceshadingController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "Surface Shading";

            // This example contains 4 charts.
            ViewBag.Viewer = new RazorChartViewer[4];
            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 = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10};
            double[] dataY = {-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 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 380 x 400 pixels, with white (ffffff) background and
            // grey (888888) border.
            SurfaceChart c = new SurfaceChart(380, 400, 0xffffff, 0x888888);

            // Demonstrate various shading methods
            if (chartIndex == 0) {
                c.addTitle("11 x 11 Data Points\nSmooth Shading");
            } else if (chartIndex == 1) {
                c.addTitle("11 x 11 Points - Spline Fitted to 50 x 50\nSmooth Shading");
                c.setInterpolation(50, 50);
            } else if (chartIndex == 2) {
                c.addTitle("11 x 11 Data Points\nRectangular Shading");
                c.setShadingMode(Chart.RectangularShading);
            } else {
                c.addTitle("11 x 11 Data Points\nTriangular Shading");
                c.setShadingMode(Chart.TriangularShading);
            }

            // Set the center of the plot region at (175, 200), and set width x depth x height to 200 x
            // 200 x 160 pixels
            c.setPlotRegion(175, 200, 200, 200, 160);

            // Set the plot region wall thichness to 5 pixels
            c.setWallThickness(5);

            // Set the elevation and rotation angles to 45 and 60 degrees
            c.setViewAngle(45, 60);

            // Set the perspective level to 35
            c.setPerspective(35);

            // Set the data to use to plot the chart
            c.setData(dataX, dataY, dataZ);

            // Set contour lines to semi-transparent black (c0000000)
            c.setContourColor(unchecked((int)0xc0000000));

            // Output the chart
            viewer.Image = c.makeWebImage(Chart.JPG);
        }
    }
}

[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>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        @ViewBag.Title
    </div>
    <hr style="border:solid 1px #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>