TObjArray *fElements; //array of elements
TObjArray *fBranches; //pointers to branches
TTree *fTree; //data storage
Int_t fCurrentIndex; //index of current element
Int_t fId; //identifier of layout
TObjArray *fElements; //array of elements
TObjArray *fBranches; //pointers to branches
TTree *fTree; //data storage
Int_t fCurrentIndex; //index of current element
Int_t fId; //identifier of layout