[vtkusers] Disable "zoom" and "translate"

[John Drescher]

On Wed, Nov 27, 2013 at 9:07 AM, curator <curator at gmx.de> wrote:
> Dear list,
>
> Basically I have a vtkRenderer, a vtkRenderWindow and and
> vtkRenderWindowInteractor. Everything is connected correctly and I can draw
> my scene and rotate with leftmouse, zoom with rightmouse and mousewheel.
> Clicking the wheel + motion translates the scene. Furthermore, much is
> possivle by a touch pad, but I am not exactly sure what this event is.
>
> The question is: Is there any simple method to disable zooming and
> translating? I would like to look always at the center (0,0,0) from a
> constant distance, but from different directions. Is there a simple way to
> do so?
>

Subclass the interactor style that you want and do not call the base
class for the functionality that you want to disable.

John