This example demonstrates horizontal bar meters in a white coloring scheme.
This example demonstrates horizontal bar meters in a white coloring scheme.
ChartDirector 7.0 (ASP/COM/VB Edition)
White Horizontal Linear Meters
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)
' Set the scale region top-left corner at (14, 23), with size of 218 x 20 pixels. The scale
' labels are located on the top (implies horizontal meter)
Call m.setMeter(14, 23, 218, 20, cd.Top)
' Set meter scale from 0 - 100, with a tick every 10 units
Call m.setScale(0, 100, 10)
' Demostrate different types of color scales and putting them at different positions
smoothColorScale = Array(0, &H6666ff, 25, &H00bbbb, 50, &H00ff00, 75, &Hffff00, 100, &Hff0000)
stepColorScale = Array(0, &H33ff33, 50, &Hffff33, 80, &Hff3333, 100)
highLowColorScale = Array(0, &H6666ff, 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 high low scale at the default position
Call m.addColorScale(highLowColorScale)
ElseIf chartIndex = 2 Then
' Add the smooth color scale starting at y = 43 (bottom of scale) with zero width and ending
' at y = 23 with 20 pixels width
Call m.addColorScale(smoothColorScale, 43, 0, 23, 20)
Else
' Add the step color scale at the default position
Call m.addColorScale(stepColorScale)
End If
' Add a blue (0x0000cc) pointer at the specified value
Call m.addPointer(value, &H0000cc)
' Add a label left aligned to (10, 61) using 8pt Arial Bold font
Call m.addText(10, 61, "Temperature C", "Arial Bold", 8, cd.TextColor, cd.Left)
' Add a text box right aligned to (235, 61). Display the value using white (0xffffff) 8pt Arial
' Bold font on a black (0x000000) background with depressed rounded border.
Set t = m.addText(235, 61, m.formatValue(value, "2"), "Arial Bold", 8, &Hffffff, cd.Right)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
' 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>White Horizontal 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;">
White Horizontal 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>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)
' Set the scale region top-left corner at (14, 23), with size of 218 x 20 pixels. The scale
' labels are located on the top (implies horizontal meter)
Call m.setMeter(14, 23, 218, 20, cd.Top)
' Set meter scale from 0 - 100, with a tick every 10 units
Call m.setScale(0, 100, 10)
' Demostrate different types of color scales and putting them at different positions
Dim smoothColorScale()
smoothColorScale = Array(0, &H6666ff, 25, &H00bbbb, 50, &H00ff00, 75, &Hffff00, 100, &Hff0000)
Dim stepColorScale()
stepColorScale = Array(0, &H33ff33, 50, &Hffff33, 80, &Hff3333, 100)
Dim highLowColorScale()
highLowColorScale = Array(0, &H6666ff, 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 high low scale at the default position
Call m.addColorScale(highLowColorScale)
ElseIf chartIndex = 2 Then
' Add the smooth color scale starting at y = 43 (bottom of scale) with zero width and ending
' at y = 23 with 20 pixels width
Call m.addColorScale(smoothColorScale, 43, 0, 23, 20)
Else
' Add the step color scale at the default position
Call m.addColorScale(stepColorScale)
End If
' Add a blue (0x0000cc) pointer at the specified value
Call m.addPointer(value, &H0000cc)
' Add a label left aligned to (10, 61) using 8pt Arial Bold font
Call m.addText(10, 61, "Temperature C", "arialbd.ttf", 8, cd.TextColor, cd.Left)
' Add a text box right aligned to (235, 61). 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, 61, m.formatValue(value, "2"), "arialbd.ttf", 8, &Hffffff, cd.Right)
Call t.setBackground(&H000000, &H000000, -1)
Call t.setRoundedCorners(3)
' Output the chart
Set viewer.Picture = m.makePicture()
End Sub