[vtkusers] vtkPolyDataNormals: normals pointing in the wrong direction

Jérôme jerome.velut at gmail.com
Sun Jul 24 12:16:41 EDT 2011


Hi,
Did you try to call ConsistencyOn( ), together with FlipNormals On/Off
depending on how you want to define inside/outside ?

HTH
Jerome

2011/7/24 David Doria <daviddoria at gmail.com>

> 2011/7/24 Miguel Sotaquirá <msotaquira at gmail.com>:
> > Hi David!
> > I'm not sure if the approach you suggested is adequate for my problem,
> since
> > vtkPointSetNormalEstimation has no concept of inside/outside object
> (which
> > in my case is necessary for computing curvatures)...
> > I don't know if vtkPointSetNormalOrientation in your code might help in
> this
> > case?
> > Thanks,
> > Miguel
>
> Yes, vtkPointSetNormalOrientation takes un-oriented normals and
> attempts to consistently orient them.
>
> David
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