[vtkusers] Problem with vtkPolyDataNormals.

[Bruno da Silva de Oliveira]

Hi,

Have you read the vtkPolyDataNormals documentation? (hint: SplittingOff)

HTH,

Dimitrios Perperidis wrote:

> Hi,
>
> I am using the vtkPolyDataNormals to generate a set of normals for a 
> given polydata object:
> reader = vtkPolyDataReader::New();
> normals = vtkPolyDataNormals::New();
>
>   // Read model image
> cout << "Reading model:"<<model_name<<endl;
> reader->SetFileName(model_name);
>
> normals->SetInput(reader->GetOutput());
> normals->Modified();
> normals->Update();
> model  = normals->GetOutput();
>
> My polydata object consist of  29328 points. When I use 
> vtkPolyDataNormals, the returned polydata object (after 
> normals->GetOutput()) consists of 29488 points. It is vital for my 
> application to calculate the normals of a vtkPolyData object without 
> changing the number of points in the surface.
>
> Any points/ suggestions?
>
> Regards
> Dimitrios
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-- 
Bruno da Silva de Oliveira
bruno at esss.com.br
ESSS - Engineering Simulation and Scientific Software
http://www.esss.com.br