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标题: 调用RHINO.COMMAND如果在执行中选择物体如何操作 [打印本页]

作者: attention412 时间: 2010-11-7 22:43
标题: 调用RHINO.COMMAND如果在执行中选择物体如何操作
例如call rhino.command("_split")其后要选择一个物体使用什么代码？

作者: attention412 时间: 2010-11-8 12:06
本帖最后由 attention412 于 2010-11-9 08:53 编辑

Function DoBrepSplit(brep, cutter)

' Declare local variables
Dim saved, cmd

' Set default return value
DoBrepSplit = Null

' For speed, turn of screen redrawing
Rhino.EnableRedraw False

' Save any selected objects
saved = Rhino.SelectedObjects

' Unselect all objects
Rhino.UnSelectAllObjects

' Select the brep
Rhino.SelectObject brep

' Script the split command
cmd = "_Split _SelID " & cutter & " _Enter"
Rhino.Command cmd, 0

' By preselecting the brep, the results of
' Split will be selected. So, get the selected
' objects and return them to the caller.
DoBrepSplit = Rhino.SelectedObjects

' Unselect all objects
Rhino.UnSelectAllObjects

' If any objects were selected before calling
' this function, re-select them
If IsArray(saved) Then Rhino.SelectObjects(saved)

' Don't forget to turn redrawing back on
Rhino.EnableRedraw True

End Function
The function above can be test using the following simple subroutine:

Sub TestSplitBrep

  ' Declare local variables
Dim brep, cutter, pieces, i

' Pick the brep to split
brep = Rhino.GetObject("Select surface or polysurface to split", 8 + 16)
If IsNull(brep) Then Exit Sub

' Pick the cutting brep
cutter = Rhino.GetObject("Select cutting or polysurface to split", 8 + 16)
If IsNull(cutter) Then Exit Sub

' Call our special splitter
pieces = DoBrepSplit(brep, cutter)
If IsArray(pieces) Then
   For i = 0 To UBound(pieces)
   Rhino.Print pieces(i)
   Next
End If

End Sub
看到一个实例，居然正是我要找的，_SelID 选择物体 ID

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