+ ////////////////////////////////////////
+ // May 31, 2006; ALICE numbering scheme:
+ // see ALICE-INT-2003-038: ALICE Coordinate System and Software Numbering Convention
+ // All indexes are stared from zero now.
+ //
+ // abs id <-> indexes; Shish-kebab case, only TRD1 now.
+ // EMCAL -> Super Module -> module -> tower(or cell) - logic tree of EMCAL
+ //
+ //** Usual name of variable - Dec 18,2006 **
+ // nSupMod - index of super module (SM)
+ // nModule - index of module in SM
+ // nIphi - phi index of tower(cell) in module
+ // nIeta - eta index of tower(cell) in module
+ //
+ // Inside SM
+ // iphim - phi index of module in SM
+ // ietam - eta index of module in SM
+ //
+ // iphi - phi index of tower(cell) in SM
+ // ieta - eta index of tower(cell) in SM
+ //
+ // for a given tower index absId returns eta and phi of gravity center of tower.
+ void EtaPhiFromIndex(Int_t absId, Double_t &eta, Double_t &phi) const;
+ void EtaPhiFromIndex(Int_t absId, Float_t &eta, Float_t &phi) const;
+ //
+ // Tranforms Eta-Phi Module index in TRU into Eta-Phi index in Super Module
+ void GetModulePhiEtaIndexInSModuleFromTRUIndex(
+ Int_t itru, Int_t iphitru, Int_t ietatru, Int_t &ietaSM, Int_t &iphiSM) const ;
+
+ Bool_t GetAbsCellIdFromEtaPhi(Double_t eta,Double_t phi, Int_t &absId) const;
+ Bool_t SuperModuleNumberFromEtaPhi(Double_t eta, Double_t phi, Int_t &nSupMod) const;
+ Int_t GetAbsCellId(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta) const;
+ Bool_t CheckAbsCellId(Int_t absId) const;
+ Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nModule, Int_t &nIphi,
+ Int_t &nIeta) const;
+ // Local coordinate of Super Module
+ void GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t &iphim,
+ Int_t &ietam) const;
+ void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta,
+ Int_t &iphi, Int_t &ieta) const ;
+ Int_t GetSuperModuleNumber(Int_t absId) const;
+ Int_t GetNumberOfModuleInPhiDirection(Int_t nSupMod) const