-//==================================================================
-/// User callback called in the box contructor
-virtual void bbUserConstructor();
-/// User callback called in the box copy constructor
-virtual void bbUserCopyConstructor(bbtk::BlackBox::Pointer);
-/// User callback called in the box destructor
-virtual void bbUserDestructor();
-//==================================================================
- BBTK_DECLARE_INPUT(In,vtkImageData*);