[vtkusers] VTK dataarray question

[Richard Lee]

Hi, All:

I have an object of class  vtkDataSetAttributes.  When I called its  
GetScalars(), it returns an object vtkDataArray. 

Now how can get the actual data in vtkDataArray without first recasting 
it to its subclass like vtkFloatArray. Can I call some virtual function to do this job?

Rick
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