[vtkusers] How to zoom into a rendering?

[Rashed Karim]

Hi All,

How can I zoom into a rendering? I know keys such as 'F' makes the camera
move forward, and one can rotate the rendering using the mouse What other
such interactive options does the vtkRenderWindowInteractor class provide??
Where in the library documentation can I find a list of user-interactivity
options?

Thanks all,

-- 
Rashed Karim
PhD student
Imperial College London
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