[vtkusers] the number of vertexes on a cube

[PAUL]

Hello：

I want to get the number of vertexes on a cube.

I have the codes below:

vtkCubeSource *pCube = vtkCubeSource::New();

     pCube->SetCenter(0,0,0);

     pCube->SetXLength(2);

     pCube->SetYLength(2);

     pCube->SetZLength(2);

     vtkPolyData *data = pCube->GetOutput();

     data->Update();

data->BuildLinks();

     int numPts = data->GetNumberOfPoints();

 

numPts should be 8, but here it is 24. why???

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