[vtkusers] rotate a vtkUnstructuredGrid by angles

[Luca Penasa]

hi everybody, 
	
	i have a vtkUnstructuredGrid that roughly describe a surface, i want to
rotate my cloud so that the normal of the best fit plane for the cloud
(that i calculate with a function i wrote - like [0.57452031,
-0.65909439,  0.48405198]) will becames parallel with an arbitrary axis
(for esample with the z axis: [0,0,1]).

what is the best way to obtain that?
is there any dedicate function in vtk?

Thanks!


-- 
---------------------------
Luca Penasa
Student at Geosciences Dpt.
University of Padua (IT)
luca.penasa at email.it
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