Black Vertical Linear Meters

[Web Version (in ASP)] aspdemo\blackvlinearmeter.asp

<%@ language="vbscript" %>
<%
Set cd = CreateObject("ChartDirector.API")

' This script can draw different charts depending on the chartIndex
Sub createChart(viewer, chartIndex)

    ' The value to display on the meter
    value = 74.25

    ' Create a LinearMeter object of size 70 x 260 pixels with black background and rounded corners
    Set m = cd.LinearMeter(70, 260, &H000000)
    Call m.setRoundedFrame(cd.Transparent)

    ' Set the default text and line colors to white (0xffffff)
    Call m.setColor(cd.TextColor, &Hffffff)
    Call m.setColor(cd.LineColor, &Hffffff)

    ' Set the scale region top-left corner at (28, 30), with size of 20 x 196 pixels. The scale
    ' labels are located on the left (default - implies vertical meter)
    Call m.setMeter(28, 30, 20, 196)

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

    ' The tick line width to 1 pixel
    Call m.setLineWidth(0, 1)

    ' Demostrate different types of color scales and putting them at different positions
    smoothColorScale = Array(0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, 100, &Hff0000)
    stepColorScale = Array(0, &H00cc00, 50, &Heecc00, 80, &Hdd0000, 100)
    highLowColorScale = Array(0, &H0000ff, 70, cd.Transparent, 100, &Hff0000)

    If chartIndex = 0 Then
        ' Add the smooth color scale at the default position
        Call m.addColorScale(smoothColorScale)
    ElseIf chartIndex = 1 Then
        ' Add the step color scale at the default position
        Call m.addColorScale(stepColorScale)
    ElseIf chartIndex = 2 Then
        ' Add the high low scale at the default position
        Call m.addColorScale(highLowColorScale)
    ElseIf chartIndex = 3 Then
        ' Add the smooth color scale starting at x = 28 (left of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 28, 0, 28, 20)
    ElseIf chartIndex = 4 Then
        ' Add the smooth color scale starting at x = 38 (center of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 38, 0, 28, 20)
    Else
        ' Add the smooth color scale starting at x = 48 (right of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 48, 0, 28, 20)
    End If

    ' Add a blue (0x0000cc) pointer with white (0xffffff) border at the specified value
    Call m.addPointer(value, &H0000cc, &Hffffff)

    ' Add a label at the top-center using 8pt Arial Bold font
    Call m.addText(m.getWidth() / 2, 5, "Temp C", "Arial Bold", 8, cd.TextColor, cd.Top)

    ' Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    ' font on a black (0x000000) background with depressed grey (0x444444) rounded border.
    Set t = m.addText(m.getWidth() / 2, m.getHeight() - 7, m.formatValue(value, "2"), _
        "Arial Bold", 8, &Hffffff, cd.Bottom)
    Call t.setBackground(&H000000, &H444444, -1)
    Call t.setRoundedCorners(3)

    ' Output the chart
    Call viewer.setChart(m, cd.SVG)
End Sub

' This example includes 6 charts
Dim viewers(5)
For i = 0 To Ubound(viewers)
    Set viewers(i) = cd.WebChartViewer(Request, "chart" & i)
    Call createChart(viewers(i), i)
Next
%>

<!DOCTYPE html>
<html>
<head>
    <title>Black Vertical Linear Meters</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Black Vertical Linear Meters
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a>
    </div>
    <!-- ****** Here are the chart images ****** -->
    <%
        For i = 0 To Ubound(viewers)
            Call Response.Write(viewers(i).renderHTML())
            Call Response.Write(" ")
        Next
    %>
</body>
</html>

[Windows Version (in Visual Basic)] vbdemo\blackvlinearmeter.cls

Public Sub createChart(viewer As Object, chartIndex As Integer)

    Dim cd As New ChartDirector.API

    ' The value to display on the meter
    Dim value As Double
    value = 74.25

    ' Create a LinearMeter object of size 70 x 260 pixels with black background and rounded corners
    Dim m As LinearMeter
    Set m = cd.LinearMeter(70, 260, &H000000)
    Call m.setRoundedFrame()

    ' Set the default text and line colors to white (0xffffff)
    Call m.setColor(cd.TextColor, &Hffffff)
    Call m.setColor(cd.LineColor, &Hffffff)

    ' Set the scale region top-left corner at (28, 30), with size of 20 x 196 pixels. The scale
    ' labels are located on the left (default - implies vertical meter)
    Call m.setMeter(28, 30, 20, 196)

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

    ' The tick line width to 1 pixel
    Call m.setLineWidth(0, 1)

    ' Demostrate different types of color scales and putting them at different positions
    Dim smoothColorScale()
    smoothColorScale = Array(0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, 100, &Hff0000)
    Dim stepColorScale()
    stepColorScale = Array(0, &H00cc00, 50, &Heecc00, 80, &Hdd0000, 100)
    Dim highLowColorScale()
    highLowColorScale = Array(0, &H0000ff, 70, cd.Transparent, 100, &Hff0000)

    If chartIndex = 0 Then
        ' Add the smooth color scale at the default position
        Call m.addColorScale(smoothColorScale)
    ElseIf chartIndex = 1 Then
        ' Add the step color scale at the default position
        Call m.addColorScale(stepColorScale)
    ElseIf chartIndex = 2 Then
        ' Add the high low scale at the default position
        Call m.addColorScale(highLowColorScale)
    ElseIf chartIndex = 3 Then
        ' Add the smooth color scale starting at x = 28 (left of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 28, 0, 28, 20)
    ElseIf chartIndex = 4 Then
        ' Add the smooth color scale starting at x = 38 (center of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 38, 0, 28, 20)
    Else
        ' Add the smooth color scale starting at x = 48 (right of scale) with zero width and ending
        ' at x = 28 with 20 pixels width
        Call m.addColorScale(smoothColorScale, 48, 0, 28, 20)
    End If

    ' Add a blue (0x0000cc) pointer with white (0xffffff) border at the specified value
    Call m.addPointer(value, &H0000cc, &Hffffff)

    ' Add a label at the top-center using 8pt Arial Bold font
    Call m.addText(m.getWidth() / 2, 5, "Temp C", "arialbd.ttf", 8, cd.TextColor, cd.Top)

    ' Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    ' font on a black (0x000000) background with depressed grey (0x444444) rounded border.
    Dim t As ChartDirector.TextBox
    Set t = m.addText(m.getWidth() / 2, m.getHeight() - 7, m.formatValue(value, "2"), _
        "arialbd.ttf", 8, &Hffffff, cd.Bottom)
    Call t.setBackground(&H000000, &H444444, -1)
    Call t.setRoundedCorners(3)

    ' Output the chart
    Set viewer.Picture = m.makePicture()

End Sub