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Min/Max Material Models 1

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Jabberwocky

Jabberwocky

Mechanical
Apr 1, 2005
330
Hello All,

I did a quick search but couldn't find anything on this, so.

Is there a macro/plugin that will create new model configurations for the MMC and LMC of a model using the assigned tolerances?
 
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This is something that I have thought about on numerous occasions. It would be slick. I assume you want this for tolerance analysis. I did.

I ended up realizing that nothing exists that is cheap. There is however a slick (or seemingly slick) piece of software that does all sorts of tolerance analysis within the solidworks environment.


-Shaggy
 
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I tried varatech a couple years ago. It was a one month trial. I couldn't get it to work properly and couldn't get support or customer service to help me out. They got desperate. I wrote to them to leave me alone. Not 100% sure, but I think they are based in India? Or support came from there.

Chris
Systems Analyst, I.S.
SolidWorks 06 4.1/PDMWorks 06
AutoCAD 06
ctopher's home (updated 06-21-06)
 
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That's too bad. It seems like a neat product. If it worked.

-Shaggy
 
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I agree.
SW 2007 has a few new features along these lines, but I have not tried it yet.

Chris
Systems Analyst, I.S.
SolidWorks 06 4.1/PDMWorks 06
AutoCAD 06
ctopher's home (updated 06-21-06)
 
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Hmm, configurations may be tougher due to handling parent/child stuff, etc. If I were to attempt to write such a macro, I would probably:

1. Save 2 copies called [original model]LMC and [original model]MMC.
2. Traverse each dimension of each feature in the feature tree.
- Check for dimensions with a tolerance
- Change dimension to nominal plus upper tolerance
- Rebuild and check mass
- Change dimension to nominal minus lower tolerance
- Rebuild and check mass, comparing to upper tolerance value
- Keep whichever dim gave a higher/lower mass value for MMC/LMC

If you need to do tolerance analysis in the assembly (I assume this would be the case) you would have to do "Replace Component" rather than just changing configs. However, unless your tolerances are really bad wrong any faces/edges etc should remain the same so mates reattach.
 
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It doesn't HAVE to be a configuration thing, separate models would be fine too. It just seems that since we're already telling solidworks what the tolerances are, it shouldn't be so hard to make it spit out a max/min for every dimension.

I suppose the trick is in knowing whether you're specifying a positive or negative feature? But even that shouldn't be an issue because SWx knows that when you make the feature in the first place!

Handleman seems to be on the right track, but I'm kind of surprised this isn't something that's already out there (aside from the apparently questionable varatech)
 
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See if this does something like what you were looking for.

(Don't worry, CBL, it's clean. :-D)

Preconditions:
1. A part model is open whose dimensions have tolerances
2. No configurations active named "MMC" or "LMC" (names changeable with string constants at top). Macro will attempt to delete configurations with these names.
3. "Nominal" configuration is active.

Postconditions:
Two new configurations named "MMC" and "LMC" showing Maximum and Least Material Conditions based on tolerances. These configurations will have their dimension tolerance set to "None" for clarity.

Methodology:
It was desired to not alter the original configuration at all to minimize the possibility of inadvertent model dimension change should the macro crash. Therefore, new configurations LMC and MMC are created if they do not exist. If they do exist the macro will attempt to delete them. If either deletion fails the macro will quit. This is to ensure that both new configurations start out identical to the nominal configuration.

The features are iterated through and an array is built of dimensions that have tolerances with values (basic, max, min, etc are ignored). Then, for each toleranced dimension the dimension value itself is set to the upper limit and lower limit, mass is compared to determine which is MMC and LMC.

Code: 
Const MMCCONFIGNAME As String = "MMC"
Const LMCCONFIGNAME As String = "LMC"

Dim swApp As SldWorks.SldWorks
Dim swDoc As SldWorks.ModelDoc2
Dim swFeatMgr As SldWorks.FeatureManager
Dim aAllFeatures As Variant
Dim swFeature As SldWorks.Feature
Dim swDispDim As SldWorks.DisplayDimension
Dim swDim As SldWorks.Dimension
Dim swTol As SldWorks.DimensionTolerance
Dim aDimsWithTol() As SldWorks.Dimension
Dim swDocExt As SldWorks.ModelDocExtension
Dim swMassProps As SldWorks.MassProperty
Dim swCfgMMC As SldWorks.Configuration
Dim swCfgLMC As SldWorks.Configuration
Dim swCfgBase As SldWorks.Configuration

Sub CreateMCconfigs()

Dim i As Long
Dim UpperVal As Double
Dim LowerVal As Double
Dim NominalVal As Double
Dim UpperValMass As Double
Dim LowerValMass As Double
Dim Temp As Variant
Dim DummyVar As Variant
Dim ValChgErr As Long
Dim Status As Long
Dim boolStatus As Boolean

Set swApp = Application.SldWorks
Set swDoc = swApp.ActiveDoc
Set swDocExt = swDoc.Extension
Set swCfgBase = swDoc.GetActiveConfiguration

If swDoc.GetType <> swDocPART Then
    MsgBox "This macro only works for part files."
    Exit Sub
End If

If MsgBox("Please be sure that your base configuration is active!!", vbOKCancel) <> vbOK Then
    Exit Sub
End If

'Create the two configs if they do not exist
Call CreateOrConfirmConfigs

'First do MMC
swDoc.ShowConfiguration2 swCfgMMC.Name

Call GetDimsWithTol     'Loads the array "aDimsWithTol" with all
                        'toleranced dims (eliminates duplicates)

For i = 0 To UBound(aDimsWithTol)
    GetDimLimits aDimsWithTol(i), UpperVal, LowerVal
    Temp = aDimsWithTol(i).GetSystemValue3(swThisConfiguration, DummyVar)
    NominalVal = Temp(0)
        
'Set to upper value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    UpperValMass = swMassProps.Mass
'Set to lower value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    LowerValMass = swMassProps.Mass
'Change dim value to whichever gave higher mass
    If UpperValMass > LowerValMass Then
        ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    Else
        ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    End If
    aDimsWithTol(i).Tolerance.Type = swTolNONE
    boolStatus = swDoc.ForceRebuild3(False)
    
Next i

'Now do MMC
swDoc.ShowConfiguration2 swCfgLMC.Name

Call GetDimsWithTol     'Loads the array "aDimsWithTol" with all
                        'toleranced dims (eliminates duplicates)

For i = 0 To UBound(aDimsWithTol)
    GetDimLimits aDimsWithTol(i), UpperVal, LowerVal
    Temp = aDimsWithTol(i).GetSystemValue3(swThisConfiguration, DummyVar)
    NominalVal = Temp(0)
        
'Set to upper value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    UpperValMass = swMassProps.Mass
'Set to lower value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    LowerValMass = swMassProps.Mass
'Change dim value to whichever gave lower mass
    If UpperValMass > LowerValMass Then
        ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    Else
        ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    End If
    aDimsWithTol(i).Tolerance.Type = swTolNONE
    boolStatus = swDoc.ForceRebuild3(False)
Next i


swDoc.ShowConfiguration2 swCfgBase.Name

End Sub

Sub GetDimsWithTol()

Dim bMatch As Boolean
Dim i As Long
Dim j As Long

Dim TolCount As Long

ReDim aDimsWithTol(0)
Set aDimsWithTol(0) = Nothing

Set swFeatMgr = swDoc.FeatureManager
aAllFeatures = swFeatMgr.GetFeatures(True)
For i = 0 To UBound(aAllFeatures)
    Set swFeature = aAllFeatures(i)
    Set swDispDim = swFeature.GetFirstDisplayDimension
    While Not (swDispDim Is Nothing)
        Set swDim = swDispDim.GetDimension
        Set swTol = swDim.Tolerance
        dimcount = dimcount + 1
        DimNameStr = DimNameStr & swDim.FullName & vbCrLf
        If TolAnalysisPossible(swTol.Type) Then
            bMatch = False
            If Not (aDimsWithTol(0) Is Nothing) Then
                For j = 0 To UBound(aDimsWithTol)
                    If aDimsWithTol(j).FullName = swDim.FullName Then
                        bMatch = True
                        'MsgBox "matched " & aDimsWithTol(j).FullName & " with " & swDim.FullName
                        Exit For
                    End If
                Next j
            End If
            If Not bMatch Then
                TolCount = TolCount + 1
                ReDim Preserve aDimsWithTol(TolCount - 1)
                Set aDimsWithTol(TolCount - 1) = swDim
            End If
        End If
        Set swDispDim = swFeature.GetNextDisplayDimension(swDispDim)
    Wend
Next i

End Sub

Sub CreateOrConfirmConfigs()
Dim boolStatus As Boolean

Set swCfgMMC = swDoc.GetConfigurationByName(MMCCONFIGNAME)
Set swCfgLMC = swDoc.GetConfigurationByName(LMCCONFIGNAME)

If Not swCfgMMC Is Nothing Then 'destroy config
    boolStatus = swDoc.DeleteConfiguration2(swCfgMMC.Name)
    If Not boolStatus Then
        MsgBox "Unable to delete configuration: " & swCfgMMC.Name, vbCritical
        End
    End If
End If
If Not swCfgLMC Is Nothing Then 'destroy config
    boolStatus = swDoc.DeleteConfiguration2(swCfgLMC.Name)
    If Not boolStatus Then
        MsgBox "Unable to delete configuration: " & swCfgLMC.Name, vbCritical
        End
    End If
End If

Set swCfgMMC = swDoc.AddConfiguration3(MMCCONFIGNAME, "Max Mat'l Config", "Max Mat'l Config", 0)
Set swCfgLMC = swDoc.AddConfiguration3(LMCCONFIGNAME, "Least Mat'l Config", "Least Mat'l Config", 0)

swDoc.ShowConfiguration2 swCfgBase.Name

End Sub

Sub GetDimLimits(ByVal myDim As SldWorks.Dimension, ByRef HiVal As Double, ByRef LoVal As Double)

Dim myTol As SldWorks.DimensionTolerance
Set myTol = myDim.Tolerance
Dim dummy As Variant
Select Case myTol.Type

    Case swTolBILAT
        dummy = myDim.GetSystemValue3(swThisConfiguration, Empty)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolLIMIT
        dummy = myDim.GetSystemValue3(swThisConfiguration, Empty)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolSYMMETRIC
        dummy = myDim.GetSystemValue3(swThisConfiguration, Empty)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) - myTol.GetMaxValue
    Case swTolFITWITHTOL
        dummy = myDim.GetSystemValue3(swThisConfiguration, Empty)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolFITTOLONLY
        dummy = myDim.GetSystemValue3(swThisConfiguration, Empty)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
End Select

End Sub

Function TolAnalysisPossible(ByVal DimTolType As Long) As Boolean

TolAnalysisPossible = False

Select Case DimTolType
    Case swTolBILAT
        TolAnalysisPossible = True
    Case swTolLIMIT
        TolAnalysisPossible = True
    Case swTolSYMMETRIC
        TolAnalysisPossible = True
    Case swTolMETRIC
        'TolAnalysisPossible = True  'Don't know what this is at this time
    Case swTolFITWITHTOL
        TolAnalysisPossible = True
    Case swTolFITTOLONLY
        TolAnalysisPossible = True
    Case swTolBLOCK
        'TolAnalysisPossible = True  'Don't know what this is at this time
End Select

End Function
 
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I just tried this on a basic cylinder with symmetric and bilateral tolerances on the diameter and length and it worked fine.

Neat, is there something I can add to change the solid body color of the config upon creation?

Somewhat related to the MMC/LMC.. is there a macro floating around to export all configurations as an .IGES (or .STEP, etc.) with the configuration name (not part name)? Currently I'm using a macro to export to those file types one-by-one but then I have to rename them to their config name as they get saved with the part name.
 
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I'm having an odd issue where I'm losing the tolerance in the default config on chamfers/fillets occasionally. I don't foresee this being a significant problem except in rare cases where it's actually a critical dimension--in which case I can always create the feature manually through extrude/revolve to make sure the tolerance sticks.
 
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The values of the tolerances should still be there. You would just have to change the tolerance type back to whatever it was before from "None". However, I've added a boolean constant toggle for hiding tolerances. I've set it to "False" below. Please let me know if it keeps messing up those tolerances.

I've also fixed it to make LMC and MMC configs a different color. You can change the color by editing the constants at the top. The COLORQUERYTOGGLE constant is currently "False". If you change it to "True" then it will show you the RGB values of the base configuration in a message box. You can use these to home in on the color you want for each of the other configs. I set them up initially to be Magenta and Lemon :)

Hate to have to post such a long code block again, but here goes:

Code: 
Const MMCCONFIGNAME As String = "MMC"
Const LMCCONFIGNAME As String = "LMC"

'Magenta for Max matl
Const MMCRED As Double = 1
Const MMCGREEN As Double = 0.753
Const MMCBLUE As Double = 1


'Lemon for Least matl
Const LMCRED As Double = 1
Const LMCGREEN As Double = 1
Const LMCBLUE As Double = 0

'This boolean turns on/off color query for base config
Const COLORQUERYTOGGLE As Boolean = False

'This boolean turns on/off hiding tolerances on new configs
Const HIDETOLS As Boolean = True

Dim swApp As SldWorks.SldWorks
Dim swDoc As SldWorks.ModelDoc2
Dim swFeatMgr As SldWorks.FeatureManager
Dim aAllFeatures As Variant
Dim swFeature As SldWorks.Feature
Dim swDispDim As SldWorks.DisplayDimension
Dim swDim As SldWorks.Dimension
Dim swTol As SldWorks.DimensionTolerance
Dim aDimsWithTol() As SldWorks.Dimension
Dim swDocExt As SldWorks.ModelDocExtension
Dim swMassProps As SldWorks.MassProperty
Dim swCfgMMC As SldWorks.Configuration
Dim swCfgLMC As SldWorks.Configuration
Dim swCfgBase As SldWorks.Configuration

Sub CreateMCconfigs()

Dim i As Long
Dim UpperVal As Double
Dim LowerVal As Double
Dim NominalVal As Double
Dim UpperValMass As Double
Dim LowerValMass As Double
Dim Temp As Variant
Dim DummyVar As Variant
Dim ValChgErr As Long
Dim Status As Long
Dim boolStatus As Boolean
Dim MatlProps As Variant

Set swApp = Application.SldWorks
Set swDoc = swApp.ActiveDoc
Set swDocExt = swDoc.Extension
Set swCfgBase = swDoc.GetActiveConfiguration

If swDoc.GetType <> swDocPART Then
    MsgBox "This macro only works for part files."
    Exit Sub
End If

If MsgBox("Please be sure that your base configuration is active!!", vbOKCancel) <> vbOK Then
    Exit Sub
End If

If COLORQUERYTOGGLE Then
    MatlProps = swDoc.MaterialPropertyValues
    MsgBox "Red: " & MatlProps(0) & vbCrLf & "Green: " & MatlProps(1) & vbCrLf & "Blue: " & MatlProps(2)
End If

'Create the two configs if they do not exist
Call CreateOrConfirmConfigs

'First do MMC
swDoc.ShowConfiguration2 swCfgMMC.Name

Call GetDimsWithTol     'Loads the array "aDimsWithTol" with all
                        'toleranced dims (eliminates duplicates)

For i = 0 To UBound(aDimsWithTol)
    GetDimLimits aDimsWithTol(i), UpperVal, LowerVal
    Temp = aDimsWithTol(i).GetSystemValue3(swThisConfiguration, DummyVar)
    NominalVal = Temp(0)
        
'Set to upper value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    UpperValMass = swMassProps.Mass
'Set to lower value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    LowerValMass = swMassProps.Mass
'Change dim value to whichever gave higher mass
    If UpperValMass > LowerValMass Then
        ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    Else
        ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    End If
    If HIDETOLS Then aDimsWithTol(i).Tolerance.Type = swTolNONE
    boolStatus = swDoc.ForceRebuild3(False)
    
Next i
MatlProps = swDoc.MaterialPropertyValues
MatlProps(0) = MMCRED
MatlProps(1) = MMCGREEN
MatlProps(2) = MMCBLUE
swDoc.MaterialPropertyValues = MatlProps

'Now do MMC
swDoc.ShowConfiguration2 swCfgLMC.Name

Call GetDimsWithTol     'Loads the array "aDimsWithTol" with all
                        'toleranced dims (eliminates duplicates)

For i = 0 To UBound(aDimsWithTol)
    GetDimLimits aDimsWithTol(i), UpperVal, LowerVal
    Temp = aDimsWithTol(i).GetSystemValue3(swThisConfiguration, DummyVar)
    NominalVal = Temp(0)
        
'Set to upper value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    UpperValMass = swMassProps.Mass
'Set to lower value
    ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    boolStatus = swDoc.ForceRebuild3(False)
    Set swMassProps = swDocExt.CreateMassProperty
    LowerValMass = swMassProps.Mass
'Change dim value to whichever gave lower mass
    If UpperValMass > LowerValMass Then
        ValChgErr = aDimsWithTol(i).SetSystemValue3(LowerVal, swSetValue_InThisConfiguration, Empty)
    Else
        ValChgErr = aDimsWithTol(i).SetSystemValue3(UpperVal, swSetValue_InThisConfiguration, Empty)
    End If
    If HIDETOLS Then aDimsWithTol(i).Tolerance.Type = swTolNONE
    boolStatus = swDoc.ForceRebuild3(False)
Next i

MatlProps = swDoc.MaterialPropertyValues
MatlProps(0) = LMCRED
MatlProps(1) = LMCGREEN
MatlProps(2) = LMCBLUE
swDoc.MaterialPropertyValues = MatlProps

swDoc.ShowConfiguration2 swCfgBase.Name

End Sub

Sub GetDimsWithTol()

Dim bMatch As Boolean
Dim i As Long
Dim j As Long

Dim TolCount As Long

ReDim aDimsWithTol(0)
Set aDimsWithTol(0) = Nothing

Set swFeatMgr = swDoc.FeatureManager
aAllFeatures = swFeatMgr.GetFeatures(True)
For i = 0 To UBound(aAllFeatures)
    Set swFeature = aAllFeatures(i)
    Set swDispDim = swFeature.GetFirstDisplayDimension
    While Not (swDispDim Is Nothing)
        Set swDim = swDispDim.GetDimension
        Set swTol = swDim.Tolerance
        dimcount = dimcount + 1
        DimNameStr = DimNameStr & swDim.FullName & vbCrLf
        If TolAnalysisPossible(swTol.Type) Then
            bMatch = False
            If Not (aDimsWithTol(0) Is Nothing) Then
                For j = 0 To UBound(aDimsWithTol)
                    If aDimsWithTol(j).FullName = swDim.FullName Then
                        bMatch = True
                        'MsgBox "matched " & aDimsWithTol(j).FullName & " with " & swDim.FullName
                        Exit For
                    End If
                Next j
            End If
            If Not bMatch Then
                TolCount = TolCount + 1
                ReDim Preserve aDimsWithTol(TolCount - 1)
                Set aDimsWithTol(TolCount - 1) = swDim
            End If
        End If
        Set swDispDim = swFeature.GetNextDisplayDimension(swDispDim)
    Wend
Next i

End Sub

Sub CreateOrConfirmConfigs()
Dim boolStatus As Boolean

Set swCfgMMC = swDoc.GetConfigurationByName(MMCCONFIGNAME)
Set swCfgLMC = swDoc.GetConfigurationByName(LMCCONFIGNAME)

If Not swCfgMMC Is Nothing Then 'destroy config
    boolStatus = swDoc.DeleteConfiguration2(swCfgMMC.Name)
    If Not boolStatus Then
        MsgBox "Unable to delete configuration: " & swCfgMMC.Name, vbCritical
        End
    End If
End If
If Not swCfgLMC Is Nothing Then 'destroy config
    boolStatus = swDoc.DeleteConfiguration2(swCfgLMC.Name)
    If Not boolStatus Then
        MsgBox "Unable to delete configuration: " & swCfgLMC.Name, vbCritical
        End
    End If
End If

Set swCfgMMC = swDoc.AddConfiguration3(MMCCONFIGNAME, "Max Mat'l Config", "Max Mat'l Config", 0)
Set swCfgLMC = swDoc.AddConfiguration3(LMCCONFIGNAME, "Least Mat'l Config", "Least Mat'l Config", 0)

swDoc.ShowConfiguration2 swCfgBase.Name

End Sub

Sub GetDimLimits(ByVal myDim As SldWorks.Dimension, ByRef HiVal As Double, ByRef LoVal As Double)

Dim myTol As SldWorks.DimensionTolerance
Set myTol = myDim.Tolerance
Dim dummy As Variant
Select Case myTol.Type

    Case swTolBILAT
        dummy = myDim.GetSystemValue3(swThisConfiguration, dummy)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolLIMIT
        dummy = myDim.GetSystemValue3(swThisConfiguration, dummy)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolSYMMETRIC
        dummy = myDim.GetSystemValue3(swThisConfiguration, dummy)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) - myTol.GetMaxValue
    Case swTolFITWITHTOL
        dummy = myDim.GetSystemValue3(swThisConfiguration, dummy)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
    Case swTolFITTOLONLY
        dummy = myDim.GetSystemValue3(swThisConfiguration, dummy)
        HiVal = dummy(0) + myTol.GetMaxValue
        LoVal = dummy(0) + myTol.GetMinValue
End Select

End Sub

Function TolAnalysisPossible(ByVal DimTolType As Long) As Boolean

TolAnalysisPossible = False

Select Case DimTolType
    Case swTolBILAT
        TolAnalysisPossible = True
    Case swTolLIMIT
        TolAnalysisPossible = True
    Case swTolSYMMETRIC
        TolAnalysisPossible = True
    Case swTolMETRIC
        'TolAnalysisPossible = True  'Don't know what this is at this time
    Case swTolFITWITHTOL
        TolAnalysisPossible = True
    Case swTolFITTOLONLY
        TolAnalysisPossible = True
    Case swTolBLOCK
        'TolAnalysisPossible = True  'Don't know what this is at this time
End Select

End Function
 
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Star for the handleman! I couldn't get it to work without assigning the macro to a button, but once there it performs as advertised.
 
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