ChartDirector 6.2 (.NET Edition)

Rotated Area Chart




This example demonstrates swapping the x and y axes to produce an rotated area chart in which the area goes from left to right (instead of bottom to top).

The x and y axes in the example are configured as follows:

The area in this chart is filled using a gradient color created with BaseChart.gradientColor.

Source Code Listing

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

namespace CSharpChartExplorer
{
    public class rotatedarea : DemoModule
    {
        //Name of demo module
        public string getName() { return "Rotated Area Chart"; }

        //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 data for the area chart
            double[] data = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35,
                50, 66, 56, 48, 52, 65, 62};

            // The labels for the area chart
            double[] labels = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
                20, 21, 22, 23, 24};

            // Create a XYChart object of size 320 x 320 pixels
            XYChart c = new XYChart(320, 320);

            // Swap the x and y axis to become a rotated chart
            c.swapXY();

            // Set the y axis on the top side (right + rotated = top)
            c.setYAxisOnRight();

            // Reverse the x axis so it is pointing downwards
            c.xAxis().setReverse();

            // Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and
            // vertical grids by setting their colors to grey (0xc0c0c0).
            c.setPlotArea(50, 50, 250, 250).setGridColor(0xc0c0c0, 0xc0c0c0);

            // Add a line chart layer using the given data
            c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, 0xffffff, 0x0000ff));

            // Set the labels on the x axis. Append "m" after the value to show the unit.
            c.xAxis().setLabels2(labels, "{value} m");

            // Display 1 out of 3 labels.
            c.xAxis().setLabelStep(3);

            // Add a title to the x axis
            c.xAxis().setTitle("Depth");

            // Add a title to the y axis
            c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)");

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='Carbon dioxide concentration at {xLabel}: {value} ppm'");
        }
    }
}

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

Public Class rotatedarea
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Rotated Area Chart"
    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 data for the area chart
        Dim data() As Double = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, _
            53, 35, 50, 66, 56, 48, 52, 65, 62}

        ' The labels for the area chart
        Dim labels() As Double = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, _
            18, 19, 20, 21, 22, 23, 24}

        ' Create a XYChart object of size 320 x 320 pixels
        Dim c As XYChart = New XYChart(320, 320)

        ' Swap the x and y axis to become a rotated chart
        c.swapXY()

        ' Set the y axis on the top side (right + rotated = top)
        c.setYAxisOnRight()

        ' Reverse the x axis so it is pointing downwards
        c.xAxis().setReverse()

        ' Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and vertical
        ' grids by setting their colors to grey (0xc0c0c0).
        c.setPlotArea(50, 50, 250, 250).setGridColor(&Hc0c0c0, &Hc0c0c0)

        ' Add a line chart layer using the given data
        c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, &Hffffff, &H0000ff))

        ' Set the labels on the x axis. Append "m" after the value to show the unit.
        c.xAxis().setLabels2(labels, "{value} m")

        ' Display 1 out of 3 labels.
        c.xAxis().setLabelStep(3)

        ' Add a title to the x axis
        c.xAxis().setTitle("Depth")

        ' Add a title to the y axis
        c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)")

        ' Output the chart
        viewer.Chart = c

        'include tool tip for the chart
        viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
            "title='Carbon dioxide concentration at {xLabel}: {value} ppm'")

    End Sub

End Class

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

namespace CSharpWPFDemo
{
    public class rotatedarea : DemoModule
    {
        //Name of demo module
        public string getName() { return "Rotated Area Chart"; }

        //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 data for the area chart
            double[] data = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35,
                50, 66, 56, 48, 52, 65, 62};

            // The labels for the area chart
            double[] labels = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
                20, 21, 22, 23, 24};

            // Create a XYChart object of size 320 x 320 pixels
            XYChart c = new XYChart(320, 320);

            // Swap the x and y axis to become a rotated chart
            c.swapXY();

            // Set the y axis on the top side (right + rotated = top)
            c.setYAxisOnRight();

            // Reverse the x axis so it is pointing downwards
            c.xAxis().setReverse();

            // Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and
            // vertical grids by setting their colors to grey (0xc0c0c0).
            c.setPlotArea(50, 50, 250, 250).setGridColor(0xc0c0c0, 0xc0c0c0);

            // Add a line chart layer using the given data
            c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, 0xffffff, 0x0000ff));

            // Set the labels on the x axis. Append "m" after the value to show the unit.
            c.xAxis().setLabels2(labels, "{value} m");

            // Display 1 out of 3 labels.
            c.xAxis().setLabelStep(3);

            // Add a title to the x axis
            c.xAxis().setTitle("Depth");

            // Add a title to the y axis
            c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)");

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='Carbon dioxide concentration at {xLabel}: {value} ppm'");
        }
    }
}

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

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    // The data for the area chart
    double[] data = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66,
        56, 48, 52, 65, 62};

    // The labels for the area chart
    double[] labels = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
        22, 23, 24};

    // Create a XYChart object of size 320 x 320 pixels
    XYChart c = new XYChart(320, 320);

    // Swap the x and y axis to become a rotated chart
    c.swapXY();

    // Set the y axis on the top side (right + rotated = top)
    c.setYAxisOnRight();

    // Reverse the x axis so it is pointing downwards
    c.xAxis().setReverse();

    // Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and vertical
    // grids by setting their colors to grey (0xc0c0c0).
    c.setPlotArea(50, 50, 250, 250).setGridColor(0xc0c0c0, 0xc0c0c0);

    // Add a line chart layer using the given data
    c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, 0xffffff, 0x0000ff));

    // Set the labels on the x axis. Append "m" after the value to show the unit.
    c.xAxis().setLabels2(labels, "{value} m");

    // Display 1 out of 3 labels.
    c.xAxis().setLabelStep(3);

    // Add a title to the x axis
    c.xAxis().setTitle("Depth");

    // Add a title to the y axis
    c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)");

    // Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG);

    // Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "",
        "title='Carbon dioxide concentration at {xLabel}: {value} ppm'");
}

</script>

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

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

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

    ' The data for the area chart
    Dim data() As Double = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, _
        35, 50, 66, 56, 48, 52, 65, 62}

    ' The labels for the area chart
    Dim labels() As Double = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, _
        19, 20, 21, 22, 23, 24}

    ' Create a XYChart object of size 320 x 320 pixels
    Dim c As XYChart = New XYChart(320, 320)

    ' Swap the x and y axis to become a rotated chart
    c.swapXY()

    ' Set the y axis on the top side (right + rotated = top)
    c.setYAxisOnRight()

    ' Reverse the x axis so it is pointing downwards
    c.xAxis().setReverse()

    ' Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and vertical
    ' grids by setting their colors to grey (0xc0c0c0).
    c.setPlotArea(50, 50, 250, 250).setGridColor(&Hc0c0c0, &Hc0c0c0)

    ' Add a line chart layer using the given data
    c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, &Hffffff, &H0000ff))

    ' Set the labels on the x axis. Append "m" after the value to show the unit.
    c.xAxis().setLabels2(labels, "{value} m")

    ' Display 1 out of 3 labels.
    c.xAxis().setLabelStep(3)

    ' Add a title to the x axis
    c.xAxis().setTitle("Depth")

    ' Add a title to the y axis
    c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)")

    ' Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG)

    ' Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _
        "title='Carbon dioxide concentration at {xLabel}: {value} ppm'")

End Sub

</script>

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

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

namespace NetMvcCharts.Controllers
{
    public class RotatedareaController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "Rotated Area Chart";
            createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1"));
            return View("~/Views/Shared/ChartView.cshtml");
        }

        //
        // Create chart
        //
        private void createChart(RazorChartViewer viewer)
        {
            // The data for the area chart
            double[] data = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50,
                66, 56, 48, 52, 65, 62};

            // The labels for the area chart
            double[] labels = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
                21, 22, 23, 24};

            // Create a XYChart object of size 320 x 320 pixels
            XYChart c = new XYChart(320, 320);

            // Swap the x and y axis to become a rotated chart
            c.swapXY();

            // Set the y axis on the top side (right + rotated = top)
            c.setYAxisOnRight();

            // Reverse the x axis so it is pointing downwards
            c.xAxis().setReverse();

            // Set the plotarea at (50, 50) and of size 200 x 200 pixels. Enable horizontal and vertical
            // grids by setting their colors to grey (0xc0c0c0).
            c.setPlotArea(50, 50, 250, 250).setGridColor(0xc0c0c0, 0xc0c0c0);

            // Add a line chart layer using the given data
            c.addAreaLayer(data, c.gradientColor(50, 0, 300, 0, 0xffffff, 0x0000ff));

            // Set the labels on the x axis. Append "m" after the value to show the unit.
            c.xAxis().setLabels2(labels, "{value} m");

            // Display 1 out of 3 labels.
            c.xAxis().setLabelStep(3);

            // Add a title to the x axis
            c.xAxis().setTitle("Depth");

            // Add a title to the y axis
            c.yAxis().setTitle("Carbon Dioxide Concentration (ppm)");

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

            // Include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("", "",
                "title='Carbon dioxide concentration at {xLabel}: {value} ppm'");
        }
    }
}

[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>