50 virtual Bool_t
IsInside(Double_t x, Double_t y, Double_t z, Int_t &ix, Int_t &iy, Int_t &iz, Double_t &dx, Double_t &dy, Double_t &dz);
virtual Bool_t IsInside(Double_t x, Double_t y, Double_t z, Int_t &ix, Int_t &iy, Int_t &iz, Double_t &dx, Double_t &dy, Double_t &dz)