[vtkusers] Picking an actor with another actor

[Jay]

Hi,

I am trying to find a way to implement the VTK pick event, i.e. to pick
actor A with another actor B. 
I use the key board events to move the actor A. And I would like to pick the
actor B when both the actors intersect or touch each other. Is such an idea
possible to implement in VTK, if yes how?

Any suggestions or ideas would be very helpful and appreciated.



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