[vtkusers] Simpler way of putting offset to points of a vtkpolydata

[sebastien MARAUX]

I see a mean of adding on offset to vtkPolyData points :

getPoints of my vtkPolyData, 
loop for each point, adding offset, 
assigning points back to vtkpolyData

Is there a more suitable way to do it ?
(ie a vtkpolydatatopolydatafilter doing it ?)

Thanks you

Seb


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