[vtkusers] vtkObjImporter and vtkPolyDataNormals

[Sgouros, Thomas]

Hello all:

I'm looking at the example for the vtkObjImporter class found here:

  https://lorensen.github.io/VTKExamples/site/Cxx/IO/OBJImporter/

There is a mapper created there whose inputs are set to the outputs of a
vtkPolyDataNormals object (just a few lines back from the end). But its
output is never set to anybody's input. Why is that?

Asking because I need to insert a vtkTransformFilter into the mix, and I
don't really see where it should go in order to transform the position of
the imported object.

Thank you,

 -Tom
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