Joystick seems to be a good approach for users comfortable with
3D interaction. However, this technique is not adapted to novice
users, who ranked it as most difficult to learn and use. Two of
our participants became slightly motion sick while using it. This
finding confirms the results from [14]. In any case, orienting the
view through a zero order transfer function appears as better suited
than moving the view with a second rate-controlled virtual joystick