ChartDirector 7.0 (ASP/COM/VB Edition)
H-Linear Meter Orientation
Source Code Listing
<%@ 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 250 x 75 pixels with very light grey (0xeeeeee) backgruond
' and a light grey (0xccccccc) 3-pixel thick rounded frame
Set m = cd.LinearMeter(250, 75, &Heeeeee, &Hcccccc)
Call m.setRoundedFrame(cd.Transparent)
Call m.setThickFrame(3)
' This example demonstrates putting the text labels at the top or bottom. This is by setting the
' label alignment, scale position and label position.
alignment = Array(cd.Top, cd.Top, cd.Bottom, cd.Bottom)
meterYPos = Array(23, 23, 34, 34)
labelYPos = Array(61, 61, 15, 15)
' Set the scale region
Call m.setMeter(14, meterYPos(chartIndex), 218, 20, alignment(chartIndex))
' Set meter scale from 0 - 100, with a tick every 10 units
Call m.setScale(0, 100, 10)
' Add a smooth color scale at the default position
smoothColorScale = Array(0, &H6666ff, 25, &H00bbbb, 50, &H00ff00, 75, &Hffff00, 100, &Hff0000)
Call m.addColorScale(smoothColorScale)
' Add a blue (0x0000cc) pointer at the specified value
Call m.addPointer(value, &H0000cc)
'
' In this example, some charts have the "Temperauture" label on the left side and the value
' readout on the right side, and some charts have the reverse
'
If chartIndex Mod 2 = 0 Then
' Add a label on the left side using 8pt Arial Bold font
Call m.addText(10, labelYPos(chartIndex), "Temperature C", "Arial Bold", 8, cd.TextColor, _
cd.Left)
' Add a text box on the right side. Display the value using white (0xffffff) 8pt Arial Bold
' font on a black (0x000000) background with depressed rounded border.
Set t = m.addText(235, labelYPos(chartIndex), m.formatValue(value, "2"), "Arial Bold", 8, _
&Hffffff, cd.Right)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
Else
' Add a label on the right side using 8pt Arial Bold font
Call m.addText(237, labelYPos(chartIndex), "Temperature C", "Arial Bold", 8, cd.TextColor, _
cd.Right)
' Add a text box on the left side. Display the value using white (0xffffff) 8pt Arial Bold
' font on a black (0x000000) background with depressed rounded border.
Set t = m.addText(11, labelYPos(chartIndex), m.formatValue(value, "2"), "Arial Bold", 8, _
&Hffffff, cd.Left)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
End If
' Output the chart
Call viewer.setChart(m, cd.SVG)
End Sub
' This example includes 4 charts
Dim viewers(3)
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>H-Linear Meter Orientation</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;">
H-Linear Meter Orientation
</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>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 250 x 75 pixels with very light grey (0xeeeeee) backgruond
' and a light grey (0xccccccc) 3-pixel thick rounded frame
Dim m As LinearMeter
Set m = cd.LinearMeter(250, 75, &Heeeeee, &Hcccccc)
Call m.setRoundedFrame()
Call m.setThickFrame(3)
' This example demonstrates putting the text labels at the top or bottom. This is by setting the
' label alignment, scale position and label position.
Dim alignment()
alignment = Array(cd.Top, cd.Top, cd.Bottom, cd.Bottom)
Dim meterYPos()
meterYPos = Array(23, 23, 34, 34)
Dim labelYPos()
labelYPos = Array(61, 61, 15, 15)
' Set the scale region
Call m.setMeter(14, meterYPos(chartIndex), 218, 20, alignment(chartIndex))
' Set meter scale from 0 - 100, with a tick every 10 units
Call m.setScale(0, 100, 10)
' Add a smooth color scale at the default position
Dim smoothColorScale()
smoothColorScale = Array(0, &H6666ff, 25, &H00bbbb, 50, &H00ff00, 75, &Hffff00, 100, &Hff0000)
Call m.addColorScale(smoothColorScale)
' Add a blue (0x0000cc) pointer at the specified value
Call m.addPointer(value, &H0000cc)
'
' In this example, some charts have the "Temperauture" label on the left side and the value
' readout on the right side, and some charts have the reverse
'
If chartIndex Mod 2 = 0 Then
' Add a label on the left side using 8pt Arial Bold font
Call m.addText(10, labelYPos(chartIndex), "Temperature C", "arialbd.ttf", 8, cd.TextColor, _
cd.Left)
' Add a text box on the right side. Display the value using white (0xffffff) 8pt Arial Bold
' font on a black (0x000000) background with depressed rounded border.
Dim t As ChartDirector.TextBox
Set t = m.addText(235, labelYPos(chartIndex), m.formatValue(value, "2"), "arialbd.ttf", 8, _
&Hffffff, cd.Right)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
Else
' Add a label on the right side using 8pt Arial Bold font
Call m.addText(237, labelYPos(chartIndex), "Temperature C", "arialbd.ttf", 8, _
cd.TextColor, cd.Right)
' Add a text box on the left side. Display the value using white (0xffffff) 8pt Arial Bold
' font on a black (0x000000) background with depressed rounded border.
Set t = m.addText(11, labelYPos(chartIndex), m.formatValue(value, "2"), "arialbd.ttf", 8, _
&Hffffff, cd.Left)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
End If
' Output the chart
Set viewer.Picture = m.makePicture()
End Sub