在二次开发过程中会遇到需要获取模型孔特征的Tag值,以方便对获取到的孔特征进行编辑。获取孔特征的方法主要分为三个过程:1.获得模型的所有圆柱面的Tag值。2.获得圆柱面的所有边。3.判断每个边是否为整圆。
时间: 2024-02-28 13:52:56 浏览: 17
获取模型孔特征的Tag值,可以通过以下步骤实现:
1. 获得模型的所有圆柱面的Tag值:
```vb
Dim theSession As NXOpen.Session = NXOpen.Session.GetSession()
Dim workPart As NXOpen.Part = theSession.Parts.Work
Dim lw As NXOpen.ListingWindow = theSession.ListingWindow
Dim ufSession As NXOpen.UF.UFSession = NXOpen.UF.UFSession.GetUFSession()
Dim tagPart As Tag = workPart.Tag
Dim numBodies As Integer = 0
ufSession.Modl.AskListCount(tagPart, NXOpen.UF.UFConstants.UF_SOBJ_BODY, numBodies)
Dim bodies(numBodies - 1) As Tag
ufSession.Modl.AskListItems(tagPart, NXOpen.UF.UFConstants.UF_SOBJ_BODY, bodies)
For Each tagBody As Tag In bodies
Dim numFaces As Integer = 0
ufSession.Modl.AskBodyFaces(tagBody, numFaces, Nothing)
Dim faces(numFaces - 1) As Tag
ufSession.Modl.AskBodyFaces(tagBody, numFaces, faces)
For Each tagFace As Tag In faces
Dim faceType As Integer = 0
ufSession.Modl.AskFaceType(tagFace, faceType)
If faceType = NXOpen.UF.UFConstants.UF_CYL_FACE Then
Dim tagCyl As Tag = NXOpen.Tag.Null
ufSession.Modl.AskFaceCylindrical(tagFace, tagCyl)
lw.WriteLine("Cylindrical surface: " & tagCyl.ToString())
End If
Next
Next
```
2. 获得圆柱面的所有边:
```vb
Dim edges() As Tag = Nothing
Dim numEdges As Integer = 0
ufSession.Modl.AskEdgeCount(tagCyl, numEdges)
ufSession.Modl.AskEdgeList(tagCyl, edges)
For Each tagEdge As Tag In edges
If tagEdge <> NXOpen.Tag.Null Then
lw.WriteLine("Edge: " & tagEdge.ToString())
End If
Next
```
3. 判断每个边是否为整圆:
```vb
Dim isCircular() As Integer = Nothing
Dim radii() As Double = Nothing
ufSession.Modl.AskEdgeCurvatures(edges, isCircular, radii)
For i As Integer = 0 To edges.Length - 1
If isCircular(i) = 1 Then
lw.WriteLine("The edge is circular")
Else
lw.WriteLine("The edge is not circular")
End If
Next
```
综合以上三个步骤,可以得到圆柱面的所有边,并判断每个边是否为整圆。如需对获取到的孔特征进行编辑,可以使用相应的API进行操作。需要注意的是,以上代码仅供参考,具体实现方式还需要根据实际情况进行调整。同时,还可以根据具体要求获取其它类型的孔特征,例如锥孔、球孔等。