[vtkusers] Re: disable inertia in trackball interaction style?

[Dominik Szczerba]

That one works well without the residual movements, but I must say these 
things are far from intuitive... The biggest pain is that it is easy to use 
things not as they are meant to be used without any warning sign...
Anyway, thank you for a very useful hint!
Dominik

On Wednesday 22 November 2006 19:28, Goodwin Lawlor wrote:
> Dominik Szczerba wrote:
> > I have added a bug under:
> > 
> > http://www.vtk.org/Bug/bug.php?op=show&bugid=4058&pos=0
> > 
> > For convenience, the code is attached here as well. It is the Cone5 
example 
> > with a repeating timer added.
> 
> I don't think this is an out-and-out bug... vtkInteractorStyle is 
> responding to TimerEvents from your repeating timer and rotating the 
> camera before State is changed in OnLeftButtonUp.
> 
> Its probably better to observe the TimerEvent being invoked from 
> vtkInteractorStyle rather than vtkRenderWindowInteractor...
> you can use HandleObserversOn() and handle idle events from there if you 
> like. This means the vtkInteractorStyle wont be executing OnTimer() in 
> response to your repeating TimerEvents.
> 
> I've amended your test code as an example, its attached.
> 
> hth
> 
> Goodwin
> 

-- 
Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi
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