Hi, I need to implement a Dragger very similar to TabBoxTrackballDragger, but 
with the following characteristics:


* It must be able to toggle its geometries, i.e. displaying the TabBoxDragger's 
geometry, the TrackballDragger's geometry, both geometries at the same time, or 
no geometries at all.

* TrackballDragger's geometry must be adjusted to the radius of the bounding 
sphere of the model.


I would like to receive some guidelines from you, since documentation on 
osgManipulators is very limited, and the osgmanipulator example only gave me 
hints to make a guess, but I was unable to understand the whole point. So, if 
you can provide more documentation on this topic, I would appreciate it a lot.

One thing that attracted my attention was that TabBoxTrackballDragger does not 
scale the trackball geometry accordingly. One must scale the object by means of 
the TabBoxDragger first to be able to intersect and rotate the trackball on the 
selected axis. At least this was what I was able to appreciate directly from 
the osgmanipulator example.


... 

Thank you!

Cheers,
Daniel[/list]

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