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Insert Coordinate System Feature at Center of Mass (VBA)

This example shows how to insert a coordinate system feature on the center of mass.

'------------------------------------------

' Preconditions: Model document is open.

'

' Postconditions:

' 1. 3D sketch is inserted at the center of mass.

' 2. Coordinate system feature is inserted at center of mass.

'------------------------------------------

Option Explicit

 

Sub main()

 

    Dim swApp                   As SldWorks.SldWorks

    Dim swModel                 As SldWorks.ModelDoc2

    Dim swFeatMgr               As SldWorks.FeatureManager

    Dim swModDocExt             As SldWorks.ModelDocExtension

    Dim swMass                  As SldWorks.MassProperty

    Dim vCofG                   As Variant

    Dim vXaxis                  As Variant

    Dim vYAxis                  As Variant

    Dim vZAxis                  As Variant

    Dim swSkCofG                As SldWorks.SketchPoint

    Dim swSkXaxis               As SldWorks.SketchLine

    Dim swSkYaxis               As SldWorks.SketchLine

    Dim swSkSegXaxis            As SldWorks.SketchSegment

    Dim swSkSegYaxis            As SldWorks.SketchSegment

    Dim swSelMgr                As SldWorks.SelectionMgr

    Dim swSelData               As SldWorks.SelectData

    Dim swFeat                  As SldWorks.Feature

    Dim swCoordSys              As SldWorks.CoordinateSystemFeatureData

    Dim swComp                  As SldWorks.Component2

    Dim bRet                    As Boolean

    

    Set swApp = Application.SldWorks

    Set swModel = swApp.ActiveDoc

    Set swSelMgr = swModel.SelectionManager

    Set swSelData = swSelMgr.CreateSelectData

    Set swModDocExt = swModel.Extension

    Set swMass = swModDocExt.CreateMassProperty

    vCofG = swMass.CenterOfMass

    vXaxis = swMass.PrincipleAxesOfInertia(0)

    vYAxis = swMass.PrincipleAxesOfInertia(1)

    vZAxis = swMass.PrincipleAxesOfInertia(2)

    swModel.Insert3DSketch2 False

    swModel.SetAddToDB True

    Set swSkCofG = swModel.CreatePoint2(vCofG(0), vCofG(1), vCofG(2))

    Set swSkXaxis = swModel.CreateLine2( _

                    vCofG(0), vCofG(1), vCofG(2), _

                    vCofG(0) + vXaxis(0), vCofG(1) + vXaxis(1), vCofG(2) + vXaxis(2))

    Set swSkYaxis = swModel.CreateLine2( _

                    vCofG(0), vCofG(1), vCofG(2), _

                    vCofG(0) + vYAxis(0), vCofG(1) + vYAxis(1), vCofG(2) + vYAxis(2))

    Set swSkSegXaxis = swSkXaxis

    Set swSkSegYaxis = swSkYaxis

    swModel.SetAddToDB False

    swModel.Insert3DSketch2 True

    swModel.ClearSelection2 True

    swSelData.Mark = 1

    bRet = swSkCofG.Select4(True, swSelData): Debug.Assert bRet

    swSelData.Mark = 2

    bRet = swSkSegXaxis.Select4(True, swSelData): Debug.Assert bRet

    swSelData.Mark = 4

    bRet = swSkSegYaxis.Select4(True, swSelData): Debug.Assert bRet

    

    Stop

    ' Insert the coordinate system feature, get the feature, and modify it, using the feature data

    Set swFeatMgr = swModel.FeatureManager

    Set swFeat = swFeatMgr.InsertCoordinateSystem(False, False, False)

    If swFeat Is Nothing Then

        Debug.Print "Did not get coordinate system feature."

    Else

        Set swCoordSys = swFeat.GetDefinition

        bRet = swCoordSys.AccessSelections(swModel, swComp)

        

        Debug.Print "XFlipped? " & swCoordSys.XFlipped

        swCoordSys.XFlipped = True

        

        ' Get the origin entity

        Dim gvx As Variant

        Dim vxCount As Long

        Dim i As Long

        Stop

        

        ' Get the origin entity

        Dim entType As Long

        Stop

        Dim geo  As Object

        Dim oent As SldWorks.Entity

        Dim skpnt As SldWorks.SketchPoint

        Set geo = swCoordSys.OriginEntity

        

        ' Is it an entity?

        If TypeOf geo Is Entity Then

            Set oent = geo

            entType = geo.GetType

            Debug.Print "Entity type: " & entType

        Else

            Debug.Print "Is sketch point."

            Set skpnt = geo

            If Not skpnt Is Nothing Then

                Debug.Print "Got sketch point."

            End If

        End If

        

        Dim xEnt As Object

        vxCount = swCoordSys.GetXAxisEntitiesCount

        gvx = swCoordSys.XAxisEntities

        Stop

        

        ' Find out about the x axis entities

        Dim skent As SldWorks.SketchSegment

        For i = 0 To UBound(gvx)

            Set xEnt = gvx(i)

            If TypeOf xEnt Is SketchSegment Then

                Set skent = xEnt

                entType = skent.GetType

                Debug.Print "Entity type: " & entType

            End If

        Next i

    

        bRet = swFeat.ModifyDefinition(swCoordSys, swModel, Nothing)

        

        swCoordSys.ReleaseSelectionAccess

    End If

    

End Sub



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