[vtkusers] Segmentation fault with vtkBooleanOperationPolyDataFilter using 2 cylinders [HELP]

[Drak]

I've noticed that by playing with the radius value and the resolution of the
cylinder, the boolean operation filter may or may not crash 

Here is my code bellow.    

    // The outer cylinder
    vtkCylinderSource * _cylinderSource1 = vtkCylinderSource::New();
    _cylinderSource1->SetCenter(0, 0, 0);
    _cylinderSource1->SetHeight(width);
    _cylinderSource1->SetRadius(0.13);
    _cylinderSource1->SetResolution(10);
    _cylinderSource1->Update();

    vtkTriangleFilter * _cylinder1Triangle = vtkTriangleFilter::New();
    _cylinder1Triangle->SetInputData(_cylinderSource1->GetOutput());
    _cylinder1Triangle->Update();

    // The inner cylinder
    vtkCylinderSource * _cylinderSource2 = vtkCylinderSource::New();
    _cylinderSource2->SetCenter(0, 0, 0);
    _cylinderSource2->SetHeight(width+0.01);
    _cylinderSource2->SetRadius(0.001);
    _cylinderSource2->SetResolution(20);
    _cylinderSource2->Update();

    vtkTriangleFilter * _cylinder2Triangle = vtkTriangleFilter::New();
    _cylinder2Triangle->SetInputData(_cylinderSource2->GetOutput());
    _cylinder2Triangle->Update();

    vtkBooleanOperationPolyDataFilter * _filter =
vtkBooleanOperationPolyDataFilter::New();
    _filter->SetOperationToDifference();
    _filter->SetInputData(0, _cylinder1Triangle->GetOutput());
    _filter->SetInputData(1, _cylinder2Triangle->GetOutput());
    _filter->Update(); // CRASH

What should I do to make it work 100 % of the time? I don't care if I have
sometimes weird holes, but I cannot accept to have crashes in my program :\
.



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