[vtkusers] Picking actors from an assembly

[Koteswara Rao Ruvva]

Hello all,
I have two vtkPropAssemblies in the Renderer, each with couple of vtkActors. How do I pick an actor using mouse? I need to find the actor and the location on the actor. I tried the following code, but I am getting an assembly instead of the actor.
picker = vtk.vtkPropPicker()if picker.Pick(mouseX, mouseY, 0,  renderer):        prop = picker.GetPath().GetFirstNode().GetViewProp()
        print(prop)     
Please advise.
Thank youRao
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