[vtkusers] Help(about )

[David Doria]

On Tue, Mar 22, 2011 at 11:36 PM, hbfyf <hbfyf at qq.com> wrote:
> Hi!I have tried
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/PolyDataExtractNormals
> When I used a  correct ply file and run this program ,it says There are 0
> points,There are 0 polys,Normals not found!
>
> Can you explain what's wrong with it?Thanks!

I would use Paraview to generate a sphere source, save it as a ply,
and then try that code. If it works, then there is something strange
with your file. If not, let us know and we'll try to reproduce the
issue.

David