[vtkusers] VTK's possible bug when rendering?

[jsl]

Dear all,

   I noticed an extrange rendering behaviour when loading a .OBJ model and
next applying a particular transform. This is the code:

...
...
    // Load the 3D model
    vtkOBJReader* model = vtkOBJReader::New();
    model->SetFileName(model);

    vtkTransformPolyDataFilter* TransformPolyDataFilter =
vtkTransformPolyDataFilter::New();
    TransformPolyDataFilter->SetInput(model->GetOutput());

    TransformPolyDataFilter->SetTransform(Transform);
    TransformPolyDataFilter->Update();

    // Set the 3D model mapper
    vtkPolyDataMapper* geomMap = vtkPolyDataMapper::New();
    geomMap->SetInputConnection(TransformPolyDataFilter->GetOutputPort());

    // Set the 3D model actor
    vtkActor* geomActor = vtkActor::New();
    geomActor->SetMapper(geomMap);
    geomActor->GetProperty()->SetColor(0.74, 0.52, 0.06);
...
...

However, as I've just said before, the rendering of the model is quite
suspicious.
I've attached one screenshot of the transformed 3D model. Please, Any advice
will be greatly appreciated.

Regards.
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