[vtkusers] (Help)Can I change an Actor's coordinate by operate the actor in a window

[老猫]

Hello
  
 I put some points into an Actor.Now I want to change these points' coordinate by operate the actor in a window.
 For example,I can do the rotate operation.
 Is there any way can I make it true? I find the InteractorStyle of Actor cannot help me.
 If it can be done by some way,can I get the points from the changed Actor?
  
 Thank you
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