vvSlicerManager *SM;
void Dolly(double factor, vtkRenderWindowInteractor *interactor);
void FlyToPosition(vtkRenderWindowInteractor *interactor, vvSlicer* slicer);
vvSlicerManager *SM;
void Dolly(double factor, vtkRenderWindowInteractor *interactor);
void FlyToPosition(vtkRenderWindowInteractor *interactor, vvSlicer* slicer);