[vtkusers] question on vtkPolydataNormals

[David E DeMarle]

 vtkDataSet::GetPoint(i) returns the corrdinates of the i'th point. That
normal at that point is the i'th entry in the normals attribute array.

David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109


On Thu, Sep 17, 2009 at 5:25 PM, <niccolo.camarlinghi at pi.infn.it> wrote:

>
> Dear all,
>
> I'm a not a good vtk user so please forgive me if i'm asking a stupid
> question.
> I'm trying to use the normals computed by vtkPolydataNormals.
>
> My aim is to obtain a correspondence between the coordinates of a  point
> and its normal , i.e. point x,y,z normal nx,ny,nz and so on..
> I was able to access to all the normals  using
> GetPointData()->GetNormals() but i cannot figure out how to access to
> the corresponding point coordinates.
>
> Best Regards
>
> Niccolo' Camarlinghi
>
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