[vtkusers] 3D World coordinates of the complete render window in one go.

[luta]

Hi there,

I am trying to extract the 3D World coordinates of all the pixels in a
render window. I can do this using WorldPointPicker going pixel by pixel of
the complete window. This takes lot of time ( the window size is 300x300). 

I was wondering if is there any way to get all the 3D world coordinates of
the complete render window just in one go ? 

Any help will be highly appreciated.

Regards,
Atul

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