virtual TH2D* ShowProjection( Int_t ivar1, Int_t ivar2, Int_t istep) const;
virtual TH3D* ShowProjection( Int_t ivar1, Int_t ivar2,Int_t ivar3, Int_t istep) const;
virtual TH1D* ShowSlice( Int_t ivar, Double_t *varMin, Double_t *varMax, Int_t istep) const;
virtual TH2D* ShowProjection( Int_t ivar1, Int_t ivar2, Int_t istep) const;
virtual TH3D* ShowProjection( Int_t ivar1, Int_t ivar2,Int_t ivar3, Int_t istep) const;
virtual TH1D* ShowSlice( Int_t ivar, Double_t *varMin, Double_t *varMax, Int_t istep) const;