[vtkusers] How to get normals??

[Bill Lorensen]

Relpace:
 normals->SetInput(Iso);
with
 normals->SetInput(Iso->GetOutput());

On Thu, Nov 12, 2009 at 12:09 PM, renlishen <renlishen at gmail.com> wrote:
>
> Thanks for your examples, David~
> but now I have a new question
> If i want to use this
> ------------------------
>  vtkMarchingCubes *Iso = vtkMarchingCubes::New() ;
>  Iso->SetInput(myData) ;
>  vtkPolyDataNormals *normals = vtkPolyDataNormals::New();
>  normals->SetInput(Iso);
>  normals->ComputePointNormalsOn();
>  normals->Update();
> ------------------------
> Can I get points' normal by this method?
> If I can, how to do ?
> Because everytime I get is the wrong normal...
>
> Thanks~
> RenLi
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