/// User callback called in the box contructor
virtual void bbUserConstructor();
/// User callback called in the box copy constructor
/// User callback called in the box contructor
virtual void bbUserConstructor();
/// User callback called in the box copy constructor
/// User callback called in the box destructor
virtual void bbUserDestructor();
//==================================================================
/// User callback called in the box destructor
virtual void bbUserDestructor();
//==================================================================
BBTK_DECLARE_OUTPUT(Mask,vtkImageData*);
BBTK_DECLARE_OUTPUT(Value,vtkImageData*);
BBTK_DECLARE_OUTPUT(Mask,vtkImageData*);
BBTK_DECLARE_OUTPUT(Value,vtkImageData*);