[Paraview] vtkPolydata vs. vtkUnstructuredGrid

[Aurélien Marsan]

Dear Paraview users, and VTK users

I want to build a vtkUnstructuredGrid from several numpy arrays, which
contains the points coordinates, the cells, cells locations, cells types
etc...
So : I have all informations that are needed.

vtkPolyData seems a lot easier to define through a python script.

But : what is the fundamental difference between vtkPolyData and
vtkUnstructuredGrid ?
What should be the criterion in order to choose on of these two types ?

Many thanks in advance,
Regards,

Aurélien
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[Paraview] Calculating Wall Height

[Magician]

Hi all,


I’d like to get height values of wall cells for calculating oil shear velocity 
or y+.
My datasets have no information about wall direction, prism layer or inside, 
center of cells.

Does anyone have good ideas to do it?


Magician
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