[vtkusers] Getting the normal tuples

[Darshan Pai]

Use GetNormals().

On Tue, Mar 13, 2012 at 10:54 PM, chrash <durianjerky at gmail.com> wrote:

> Hi all, I'm attempting to retrieve the normals using code similar to the
> ones
> in the example
>
> vtkPolyDataNormals * normals = vtkPolyDataNormals::New();
>        normals->SetInput( Source );
>        normals->FlipNormalsOff();
>        normals->ComputePointNormalsOn();
>        normals->Update();
>
> vtkFloatArray* floatarray =
>
>
> vtkFloatArray::SafeDownCast(normals->GetOutput()->GetPointData()->GetArray("Normals"));
>
> However it seems that *floatarray is not correctly assigned and the pointer
> returned is null. Does anyone know the correct way to access the data
> inside
> the normal array?
>
>
>
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