//int fx = _vtkInteractorStyleBaseView->GetInteractor()->GetEventPosition()[0]; // JPRx
int fy = _vtkInteractorStyleBaseView->GetInteractor()->GetEventPosition()[1];
int delta = (_fordwareY - fy)/3;
//int fx = _vtkInteractorStyleBaseView->GetInteractor()->GetEventPosition()[0]; // JPRx
int fy = _vtkInteractorStyleBaseView->GetInteractor()->GetEventPosition()[1];
int delta = (_fordwareY - fy)/3;