[vtkusers] Extract Normals

[David Doria]

On Mon, Oct 17, 2011 at 5:33 AM, andon <antoniod987 at gmail.com> wrote:
> Sorry, but in your opinion it's necessary to generate normals before
> extracting them??? Beacause I have an error on the array using the function
> in the example you posted...it seems to be empty or not instantiated....

That example is intended to show multiple ways of storing normals. I'd
suggest posting your ply file somewhere and showing us the code that
you are using and the exact error you are getting.

David