[vtkusers] how to cast a vtkDataArray from one type into another?

[Fabio Meneghini]

Hi all,
just like the subject of this topic says:
Let's suppose I got a vtkPolyData with one vtkDataArray field with scalar
values, of type unsigned char.
Is there a way to quickly cast all the unsigned char values after loading
and before visualizing the data??

Thanks in advance,

Cheers.

Fabio Meneghini
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