[vtkusers] Extract Normals

[David Doria]

On Sat, Oct 15, 2011 at 12:03 PM, andon <antoniod987 at gmail.com> wrote:
> Hi friends,
> I need your once more again...this is my problem: I got a ply reader and
> than a mapper that has this plyreader in input...well i've done a picker to
> pick points and cells...i need to study normals..how can i extract them???
> thank you very much

If your ply file contains a valid mesh you can use:

http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/PolyDataExtractNormals

David