[vtkusers] Building a KD Tree from a vtkDataArray

[Federico Milano]

Hi,

I need to create a vtkKdTreePointLocator from a vtkDaraArray, where I have
stored points as 3 components tuples. Is there an easy way to convert from
vtkDataArray to vtkDataSet, so I can initialize the KDTree?

Thanks in advance,

Federico
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