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
(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 = {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);
}

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    createChart(WebChartViewer0, 0);
    createChart(WebChartViewer1, 1);
    createChart(WebChartViewer2, 2);
    createChart(WebChartViewer3, 3);
    createChart(WebChartViewer4, 4);
    createChart(WebChartViewer5, 5);
}

</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" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\surfaceperspective.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 = {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.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)
    createChart(WebChartViewer4, 4)
    createChart(WebChartViewer5, 5)

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" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
</body>
</html>

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\SurfaceperspectiveController.cs
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);
        }
    }
}

[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>