[vtkusers] lens distortion simulation

[Giancarlo Amati]

Good morning everybody,

I'm developing a software for the simulation of an endoscopy, I have two questions:

1) I need to put a mask which is black everywhere but in the center for a radious of about 500 pixels....through which I want to see my 3D model behind. 
2) More important: is there any class in VTk which allows to apply some distortion factors to the camera lens and see the 3D model distorted?

Kind regards.
Giancarlo

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