ChartDirector 6.2 (.NET Edition)

White Vertical Bar Meters


          

This example demonstrates vertical bar meters in a white coloring scheme, and with bars in various shading styles.

Source Code Listing

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

namespace CSharpChartExplorer
{
    public class whitevbarmeter : DemoModule
    {
        //Name of demo module
        public string getName() { return "White Vertical Bar Meters"; }

        //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 value to display on the meter
            double value = 74.25;

            // Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee)
            // backgruond and a grey (0xbbbbbb) 3-pixel thick rounded frame
            LinearMeter m = new LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb);
            m.setRoundedFrame(Chart.Transparent);
            m.setThickFrame(3);

            // Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The
            // scale labels are located on the left (default - implies vertical meter).
            m.setMeter(28, 33, 20, 194);

            // Set meter scale from 0 - 100, with a tick every 10 units
            m.setScale(0, 100, 10);

            // Demostrate different types of color scales
            double[] smoothColorScale = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
                0xff0000};
            double[] stepColorScale = {0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100};
            double[] highColorScale = {70, Chart.Transparent, 100, 0xff0000};
            double[] lowColorScale = {0, 0x0000ff, 30, Chart.Transparent};

            if (chartIndex == 0) {
                // Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
                m.addColorScale(smoothColorScale, 53, 6);
            } else if (chartIndex == 1) {
                 // Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel
                 // rounded corners
                m.addBar(0, value, 0x00cc00, Chart.barLighting(), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness
                // varying from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
                // Add a low only color scale at x = 52 (right of meter scale) with thickness
                // varying from 8 to 0
                m.addColorScale(lowColorScale, 52, 8, 52, 0);
            } else if (chartIndex == 2) {
                // Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness
                // varying from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
            } else if (chartIndex == 3) {
                 // Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
                m.addBar(0, value, 0xff8800, Chart.cylinderEffect());
                // Add a high only color scale at x = 53 (right of meter scale)
                m.addColorScale(highColorScale, 53, 6);
            } else if (chartIndex == 4) {
                // Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0xee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a step color scale at x = 53 (right of meter scale)
                m.addColorScale(stepColorScale, 53, 6);
            } else {
                 // Add a grey (0xaaaaaa) bar from 0 to value
                m.addBar(0, value, 0xaaaaaa);
                // Add a smooth color scale at x = 52 (right of meter scale) with thickness varying
                // from 0 to 8
                m.addColorScale(smoothColorScale, 52, 0, 52, 8);
            }

            // Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
            m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(0xbbbbbb);

            // Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt
            // Arial Bold font on a black (0x000000) background with rounded border.
            ChartDirector.TextBox t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(
                value, "2"), "Arial Bold", 8, 0xffffff, Chart.Bottom);
            t.setBackground(0x000000);
            t.setRoundedCorners(3);
            t.setMargin(5, 5, 2, 1);

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

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

Public Class whitevbarmeter
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "White Vertical Bar Meters"
    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 value to display on the meter
        Dim value As Double = 74.25

        ' Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee)
        ' backgruond and a grey (0xbbbbbb) 3-pixel thick rounded frame
        Dim m As LinearMeter = New LinearMeter(70, 260, &Heeeeee, &Hbbbbbb)
        m.setRoundedFrame(Chart.Transparent)
        m.setThickFrame(3)

        ' Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
        ' labels are located on the left (default - implies vertical meter).
        m.setMeter(28, 33, 20, 194)

        ' Set meter scale from 0 - 100, with a tick every 10 units
        m.setScale(0, 100, 10)

        ' Demostrate different types of color scales
        Dim smoothColorScale() As Double = {0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, _
            100, &Hff0000}
        Dim stepColorScale() As Double = {0, &H00dd00, 50, &Hffff00, 80, &Hff0000, 100}
        Dim highColorScale() As Double = {70, Chart.Transparent, 100, &Hff0000}
        Dim lowColorScale() As Double = {0, &H0000ff, 30, Chart.Transparent}

        If chartIndex = 0 Then
            ' Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
            ' corners
            m.addBar(0, value, &H0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
            ' Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
            m.addColorScale(smoothColorScale, 53, 6)
        ElseIf chartIndex = 1 Then
             ' Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel
             ' rounded corners
            m.addBar(0, value, &H00cc00, Chart.barLighting(), 4)
            ' Add a high only color scale at x = 52 (right of meter scale) with thickness varying
            ' from 0 to 8
            m.addColorScale(highColorScale, 52, 0, 52, 8)
            ' Add a low only color scale at x = 52 (right of meter scale) with thickness varying
            ' from 8 to 0
            m.addColorScale(lowColorScale, 52, 8, 52, 0)
        ElseIf chartIndex = 2 Then
            ' Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
            ' corners
            m.addBar(0, value, &H8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
            ' Add a high only color scale at x = 52 (right of meter scale) with thickness varying
            ' from 0 to 8
            m.addColorScale(highColorScale, 52, 0, 52, 8)
        ElseIf chartIndex = 3 Then
             ' Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
            m.addBar(0, value, &Hff8800, Chart.cylinderEffect())
            ' Add a high only color scale at x = 53 (right of meter scale)
            m.addColorScale(highColorScale, 53, 6)
        ElseIf chartIndex = 4 Then
            ' Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners
            m.addBar(0, value, &Hee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
            ' Add a step color scale at x = 53 (right of meter scale)
            m.addColorScale(stepColorScale, 53, 6)
        Else
             ' Add a grey (0xaaaaaa) bar from 0 to value
            m.addBar(0, value, &Haaaaaa)
            ' Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from
            ' 0 to 8
            m.addColorScale(smoothColorScale, 52, 0, 52, 8)
        End If

        ' Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
        m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(&Hbbbbbb)

        ' Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial
        ' Bold font on a black (0x000000) background with rounded border.
        Dim t As ChartDirector.TextBox = m.addText(m.getWidth() / 2, m.getHeight() - 8, _
            m.formatValue(value, "2"), "Arial Bold", 8, &Hffffff, Chart.Bottom)
        t.setBackground(&H000000)
        t.setRoundedCorners(3)
        t.setMargin(5, 5, 2, 1)

        ' Output the chart
        viewer.Chart = m

    End Sub

End Class

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

namespace CSharpWPFDemo
{
    public class whitevbarmeter : DemoModule
    {
        //Name of demo module
        public string getName() { return "White Vertical Bar Meters"; }

        //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 value to display on the meter
            double value = 74.25;

            // Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee)
            // backgruond and a grey (0xbbbbbb) 3-pixel thick rounded frame
            LinearMeter m = new LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb);
            m.setRoundedFrame(Chart.Transparent);
            m.setThickFrame(3);

            // Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The
            // scale labels are located on the left (default - implies vertical meter).
            m.setMeter(28, 33, 20, 194);

            // Set meter scale from 0 - 100, with a tick every 10 units
            m.setScale(0, 100, 10);

            // Demostrate different types of color scales
            double[] smoothColorScale = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
                0xff0000};
            double[] stepColorScale = {0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100};
            double[] highColorScale = {70, Chart.Transparent, 100, 0xff0000};
            double[] lowColorScale = {0, 0x0000ff, 30, Chart.Transparent};

            if (chartIndex == 0) {
                // Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
                m.addColorScale(smoothColorScale, 53, 6);
            } else if (chartIndex == 1) {
                 // Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel
                 // rounded corners
                m.addBar(0, value, 0x00cc00, Chart.barLighting(), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness
                // varying from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
                // Add a low only color scale at x = 52 (right of meter scale) with thickness
                // varying from 8 to 0
                m.addColorScale(lowColorScale, 52, 8, 52, 0);
            } else if (chartIndex == 2) {
                // Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness
                // varying from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
            } else if (chartIndex == 3) {
                 // Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
                m.addBar(0, value, 0xff8800, Chart.cylinderEffect());
                // Add a high only color scale at x = 53 (right of meter scale)
                m.addColorScale(highColorScale, 53, 6);
            } else if (chartIndex == 4) {
                // Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0xee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a step color scale at x = 53 (right of meter scale)
                m.addColorScale(stepColorScale, 53, 6);
            } else {
                 // Add a grey (0xaaaaaa) bar from 0 to value
                m.addBar(0, value, 0xaaaaaa);
                // Add a smooth color scale at x = 52 (right of meter scale) with thickness varying
                // from 0 to 8
                m.addColorScale(smoothColorScale, 52, 0, 52, 8);
            }

            // Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
            m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(0xbbbbbb);

            // Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt
            // Arial Bold font on a black (0x000000) background with rounded border.
            ChartDirector.TextBox t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(
                value, "2"), "Arial Bold", 8, 0xffffff, Chart.Bottom);
            t.setBackground(0x000000);
            t.setRoundedCorners(3);
            t.setMargin2(5, 5, 2, 1);

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

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\whitevbarmeter.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 value to display on the meter
    double value = 74.25;

    // Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee)
    // backgruond and a grey (0xbbbbbb) 3-pixel thick rounded frame
    LinearMeter m = new LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb);
    m.setRoundedFrame(Chart.Transparent);
    m.setThickFrame(3);

    // Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
    // labels are located on the left (default - implies vertical meter).
    m.setMeter(28, 33, 20, 194);

    // Set meter scale from 0 - 100, with a tick every 10 units
    m.setScale(0, 100, 10);

    // Demostrate different types of color scales
    double[] smoothColorScale = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
        0xff0000};
    double[] stepColorScale = {0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100};
    double[] highColorScale = {70, Chart.Transparent, 100, 0xff0000};
    double[] lowColorScale = {0, 0x0000ff, 30, Chart.Transparent};

    if (chartIndex == 0) {
        // Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
        // Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
        m.addColorScale(smoothColorScale, 53, 6);
    } else if (chartIndex == 1) {
         // Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel rounded
         // corners
        m.addBar(0, value, 0x00cc00, Chart.barLighting(), 4);
        // Add a high only color scale at x = 52 (right of meter scale) with thickness varying from
        // 0 to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8);
        // Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8
        // to 0
        m.addColorScale(lowColorScale, 52, 8, 52, 0);
    } else if (chartIndex == 2) {
        // Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
        // Add a high only color scale at x = 52 (right of meter scale) with thickness varying from
        // 0 to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8);
    } else if (chartIndex == 3) {
         // Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
        m.addBar(0, value, 0xff8800, Chart.cylinderEffect());
        // Add a high only color scale at x = 53 (right of meter scale)
        m.addColorScale(highColorScale, 53, 6);
    } else if (chartIndex == 4) {
        // Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0xee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
        // Add a step color scale at x = 53 (right of meter scale)
        m.addColorScale(stepColorScale, 53, 6);
    } else {
         // Add a grey (0xaaaaaa) bar from 0 to value
        m.addBar(0, value, 0xaaaaaa);
        // Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0
        // to 8
        m.addColorScale(smoothColorScale, 52, 0, 52, 8);
    }

    // Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
    m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(0xbbbbbb);

    // Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    // font on a black (0x000000) background with rounded border.
    ChartDirector.TextBox t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(value,
        "2"), "Arial Bold", 8, 0xffffff, Chart.Bottom);
    t.setBackground(0x000000);
    t.setRoundedCorners(3);
    t.setMargin2(5, 5, 2, 1);

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

//
// 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" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\whitevbarmeter.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 value to display on the meter
    Dim value As Double = 74.25

    ' Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee) backgruond
    ' and a grey (0xbbbbbb) 3-pixel thick rounded frame
    Dim m As LinearMeter = New LinearMeter(70, 260, &Heeeeee, &Hbbbbbb)
    m.setRoundedFrame(Chart.Transparent)
    m.setThickFrame(3)

    ' Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
    ' labels are located on the left (default - implies vertical meter).
    m.setMeter(28, 33, 20, 194)

    ' Set meter scale from 0 - 100, with a tick every 10 units
    m.setScale(0, 100, 10)

    ' Demostrate different types of color scales
    Dim smoothColorScale() As Double = {0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, _
        100, &Hff0000}
    Dim stepColorScale() As Double = {0, &H00dd00, 50, &Hffff00, 80, &Hff0000, 100}
    Dim highColorScale() As Double = {70, Chart.Transparent, 100, &Hff0000}
    Dim lowColorScale() As Double = {0, &H0000ff, 30, Chart.Transparent}

    If chartIndex = 0 Then
        ' Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, &H0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
        ' Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
        m.addColorScale(smoothColorScale, 53, 6)
    ElseIf chartIndex = 1 Then
         ' Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel rounded
         ' corners
        m.addBar(0, value, &H00cc00, Chart.barLighting(), 4)
        ' Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        ' to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
        ' Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8
        ' to 0
        m.addColorScale(lowColorScale, 52, 8, 52, 0)
    ElseIf chartIndex = 2 Then
        ' Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, &H8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
        ' Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        ' to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
    ElseIf chartIndex = 3 Then
         ' Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
        m.addBar(0, value, &Hff8800, Chart.cylinderEffect())
        ' Add a high only color scale at x = 53 (right of meter scale)
        m.addColorScale(highColorScale, 53, 6)
    ElseIf chartIndex = 4 Then
        ' Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, &Hee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4)
        ' Add a step color scale at x = 53 (right of meter scale)
        m.addColorScale(stepColorScale, 53, 6)
    Else
         ' Add a grey (0xaaaaaa) bar from 0 to value
        m.addBar(0, value, &Haaaaaa)
        ' Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0 to
        ' 8
        m.addColorScale(smoothColorScale, 52, 0, 52, 8)
    End If

    ' Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
    m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(&Hbbbbbb)

    ' Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    ' font on a black (0x000000) background with rounded border.
    Dim t As ChartDirector.TextBox = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue( _
        value, "2"), "Arial Bold", 8, &Hffffff, Chart.Bottom)
    t.setBackground(&H000000)
    t.setRoundedCorners(3)
    t.setMargin2(5, 5, 2, 1)

    ' Output the chart
    viewer.Image = m.makeWebImage(Chart.PNG)

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" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" style='margin-right:25px;' />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
</body>
</html>

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

namespace NetMvcCharts.Controllers
{
    public class WhitevbarmeterController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "White Vertical Bar Meters";

            // 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 value to display on the meter
            double value = 74.25;

            // Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee)
            // backgruond and a grey (0xbbbbbb) 3-pixel thick rounded frame
            LinearMeter m = new LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb);
            m.setRoundedFrame(Chart.Transparent);
            m.setThickFrame(3);

            // Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
            // labels are located on the left (default - implies vertical meter).
            m.setMeter(28, 33, 20, 194);

            // Set meter scale from 0 - 100, with a tick every 10 units
            m.setScale(0, 100, 10);

            // Demostrate different types of color scales
            double[] smoothColorScale = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
                0xff0000};
            double[] stepColorScale = {0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100};
            double[] highColorScale = {70, Chart.Transparent, 100, 0xff0000};
            double[] lowColorScale = {0, 0x0000ff, 30, Chart.Transparent};

            if (chartIndex == 0) {
                // Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x0088ff, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
                m.addColorScale(smoothColorScale, 53, 6);
            } else if (chartIndex == 1) {
                 // Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel
                 // rounded corners
                m.addBar(0, value, 0x00cc00, Chart.barLighting(), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness varying
                // from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
                // Add a low only color scale at x = 52 (right of meter scale) with thickness varying
                // from 8 to 0
                m.addColorScale(lowColorScale, 52, 8, 52, 0);
            } else if (chartIndex == 2) {
                // Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded
                // corners
                m.addBar(0, value, 0x8833dd, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a high only color scale at x = 52 (right of meter scale) with thickness varying
                // from 0 to 8
                m.addColorScale(highColorScale, 52, 0, 52, 8);
            } else if (chartIndex == 3) {
                 // Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
                m.addBar(0, value, 0xff8800, Chart.cylinderEffect());
                // Add a high only color scale at x = 53 (right of meter scale)
                m.addColorScale(highColorScale, 53, 6);
            } else if (chartIndex == 4) {
                // Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners
                m.addBar(0, value, 0xee3333, Chart.glassEffect(Chart.NormalGlare, Chart.Left), 4);
                // Add a step color scale at x = 53 (right of meter scale)
                m.addColorScale(stepColorScale, 53, 6);
            } else {
                 // Add a grey (0xaaaaaa) bar from 0 to value
                m.addBar(0, value, 0xaaaaaa);
                // Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from
                // 0 to 8
                m.addColorScale(smoothColorScale, 52, 0, 52, 8);
            }

            // Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
            m.addTitle("Temp C", "Arial Bold", 8, Chart.TextColor).setBackground(0xbbbbbb);

            // Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial
            // Bold font on a black (0x000000) background with rounded border.
            ChartDirector.TextBox t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(value,
                "2"), "Arial Bold", 8, 0xffffff, Chart.Bottom);
            t.setBackground(0x000000);
            t.setRoundedCorners(3);
            t.setMargin2(5, 5, 2, 1);

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

[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>