[vtkusers] 'unset' a camera for a vtkFollower

[John Hunter]

I have a vtkFollower.  I would like to toggle to follower behavior on
and off, so that sometimes the object follows the camera, and
sometimes is displayed at it's natural orientation.  Essentially, I
want to unset the call to SetCamera. 

I don't see anything in the API that will allow me to do this.  Any
suggestions?


Thanks,
John Hunter

VTK 4.2