This article contains a sample script for creating a pie map and editing the methods and properties of the pie map.

To run this script:

1. Copy the script below, or click here to download the BAS file: Create Pie Map.bas
2. In a Windows Explorer window, navigate to C:\Program Files\Golden Software\MapViewer 8\Scripter.
3. Double click on Scripter.exe to launch Scripter.
4. Press Ctrl+A to select all of the existing lines then press Delete.
5. If you copied this script, press Ctrl+V to paste it into Scripter. If you downloaded it, click File | Open, select the BAS file from your downloads directory, and click Open.
6. Click Script | Run to run the script.
    

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' Create_Pie_Map.BAS
' Copyright (C) Golden Software Inc. 1992-2015
'
' This sample demonstrates how to create a pie map and change the properties
'
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Sub main

   'Creates an instance of the MapViewer Application object
   'and assigns it to the variable named "mvApp"
   Set mvApp = CreateObject("MapViewer.Application")

   'Makes the application main window visible
   mvApp.Visible = True

   'Assigns the location of the samples folder to the variable "InPath"
   InPath$ = mvApp.ApplicationFolder + "samples\"

   'Creates a map document object, and assigns it to the variable named "Plot"
   Set Plot = mvApp.Documents.Add(DocType:=mvDocPlot)

   Dim Variables(1 To 3) As Long
   Variables(1) = 7
   Variables(2) = 8
   Variables(3) = 9

   'Creates a pie map object and assigns it to the variable named "PieMap"
  	Set PieMap = Plot.CreatePieMap(Variables, InPath$+"co2010.gsb", InPath$+"co2010.dat", _
  		"SecondaryIDField=2, Attribute1Field=1", 1)

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'Sets the state of drawing multi-variable percentage text checkbox
PieMap.DrawPercentage = True

'Sets the state of drawing percentage outside pie
PieMap.DrawPercentageOutsidePie = True

'Sets the condition of drawing text lead
PieMap.DrawTextLead = True

'Specifies the fill properties of variable number 2
PieMap.Fill(2).ForeColor=mvColorPurple
PieMap.Fill(2).BackColor=mvColorGreen
PieMap.Fill(2).Pattern="Diagonal Cross"
PieMap.Fill(2).Transparent=False

'Specifies the font properties of the text labels
PieMap.Font.Bold=True
PieMap.Font.ForeColor=mvColorBlue
PieMap.Font.Size=6

'Sets the state of using Global data from the worksheet
PieMap.GlobalData=True

'Sets the condition of drawing percentage text horizontally
PieMap.HorzText=True

'Specifies the line properties for the text lead lines
PieMap.Line.Color=mvColorBlue
PieMap.Line.Width=0.015

'Sets the maximum diameter of the pies
PieMap.MaxDiam=0.75

'Sets the minimum diameter of the pies
PieMap.MinDiam=0.35

'Sets the PID column of the worksheet
PieMap.PIDCol=1

'Sets the 3D pie state
PieMap.Pie3D=True

'Sets the 3D pie wall height to 0.1
PieMap.Pie3DWallHeight=0.1

'Sets the condition of using pie color for text
PieMap.PieColorForText=True

'Sets the condition of using the pie map color(s) for the text lead lines
PieMap.PieColorForTextLead=True

'Sets the pie centroid position offset type to User Defined
PieMap.PiePosOffsetType=mvPosOffsetUser

'Sets the pie position X offset In units of 0.1 inch
PieMap.PiePosXOffset=0.1

'Sets the pie position Y offset In units of 0.05 inch
PieMap.PiePosYOffset=-0.05

'Sets the uniformed 3D pie wall fill state
PieMap.PieUni3DWallFill=True

'Sets the scale of the arrow of the text lead line
PieMap.TextLeadArrowScale=0.5

'Sets the End arrow of the Text lead Line
PieMap.TextLeadEndArrow=mvASTriangle

'Sets the start arrow of the Text lead Line.
PieMap.TextLeadStartArrow=mvASSimple

'Sets the text lead line properties
PieMap.TextLeadLine.color=mvColorMartianGreen
PieMap.TextLeadLine.Width=0.02

'Sets the text offset from pie edge
PieMap.TextOffsetFromPie=0.25

'Sets the state of negative value handling
PieMap.UseAbsoluteValue=True

'Sets the variable column of variable 3 to column 18.
PieMap.VarCol(3)=18

'Returns the variable column of the worksheet
Debug.Print "VarCol for Variable 3 = "+PieMap.VarCol(3)

'Sets the fill properties for 3D pie wall
PieMap.WallFill.ForeColor=mvColorOrange
PieMap.WallFill.Pattern="Sand"

'Creates a legend for the map
Set Legend = PieMap.CreateLegend(-2,6)

'Adds PieMap information in Layer #1 to legend
PieMap.AddLayerToLegend("Layer #1")

'Changes the proportion from Linear to Square Root
PieMap.LinearProportion=False

End Sub

Updated July 2, 2018