X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALGeometry.h;h=826b678c39cfac45450c1a854f2f0978d1c3cee8;hb=09cd3cd002cc0594e742971fab6f95c6a69dac0e;hp=2fa1a6611814428ef34f732982d4d2b79105fa56;hpb=da98933effc30ffdcf68b8c769cb36fb56f83312;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALGeometry.h b/EMCAL/AliEMCALGeometry.h index 2fa1a661181..826b678c39c 100644 --- a/EMCAL/AliEMCALGeometry.h +++ b/EMCAL/AliEMCALGeometry.h @@ -11,135 +11,336 @@ // //*-- Author: Sahal Yacoob (LBL / UCT) //*-- and : Yves Schutz (Subatech) - -#include +//*-- and : Alexei Pavlinov (WSU) - shashlyk staff +//*-- and : Gustavo Conesa: Add TRU mapping. TRU parameters still not fixed. +//*-- and : Magali Estienne : analysis access adaptations // --- ROOT system --- -#include "TString.h" -#include "TObjArray.h" -#include "TVector3.h" +#include +#include +#include +#include +#include +class TBrowser ; +class TParticle ; // --- AliRoot header files --- +#include "AliEMCALEMCGeometry.h" +#include "AliEMCALGeoParams.h" +class AliEMCALShishKebabTrd1Module; +class AliLog; + +class AliEMCALGeometry : public TNamed { + +public: + + AliEMCALGeometry(); + AliEMCALGeometry(const Text_t* name, const Text_t* title="", + const Text_t* mcname="", const Text_t* mctitle=""); + AliEMCALGeometry(const AliEMCALGeometry & geom); + + virtual ~AliEMCALGeometry(void); + AliEMCALGeometry & operator = (const AliEMCALGeometry & rvalue); + + static AliEMCALGeometry * GetInstance(const Text_t* name, const Text_t* title="", + const Text_t* mcname="TGeant3", const Text_t* mctitle="") ; + static AliEMCALGeometry * GetInstance(); + + + ////////// + // General + // + static Bool_t IsInitialized(void) {return AliEMCALEMCGeometry::fgInit; } + static const Char_t* GetDefaultGeometryName() {return AliEMCALEMCGeometry::fgkDefaultGeometryName;} + + ///////////// + // TRD1 stuff + void CreateListOfTrd1Modules(); + TList *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;} + AliEMCALShishKebabTrd1Module *GetShishKebabModule(Int_t neta) const; + + void PrintGeometryGeoUtils(); // *MENU* + void PrintCellIndexes(Int_t absId=0, int pri=0, const char *tit="") const ; //*MENU* + void PrintLocalTrd1(Int_t pri=0) const; // *MENU* + virtual void Browse(TBrowser* b); + virtual Bool_t IsFolder() const; + + virtual Bool_t Impact(const TParticle *particle) const; + void ImpactOnEmcal(TVector3 vtx, Double_t theta, Double_t phi, Int_t & absId, TVector3 & vimpact) const; + Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const; + + ////////////////////////////////////// + // Return EMCAL geometrical parameters + // + + AliEMCALEMCGeometry* GetEMCGeometry() const { return fEMCGeometry ; } + // + const Char_t* GetNameOfEMCALEnvelope(void) const { return fEMCGeometry->GetNameOfEMCALEnvelope() ; } + Float_t GetArm1PhiMin(void) const { return fEMCGeometry->GetArm1PhiMin() ; } + Float_t GetArm1PhiMax(void) const { return fEMCGeometry->GetArm1PhiMax() ; } + Float_t GetArm1EtaMin(void) const { return fEMCGeometry->GetArm1EtaMin() ; } + Float_t GetArm1EtaMax(void) const { return fEMCGeometry->GetArm1EtaMax() ; } + Float_t GetIPDistance(void) const { return fEMCGeometry->GetIPDistance() ; } + Float_t GetEnvelop(Int_t index) const { return fEMCGeometry->GetEnvelop(index) ; } + Float_t GetShellThickness(void) const { return fEMCGeometry->GetShellThickness() ; } + Float_t GetZLength(void) const { return fEMCGeometry->GetZLength() ; } + Int_t GetNECLayers(void) const { return fEMCGeometry->GetNECLayers() ; } + Int_t GetNZ(void) const { return fEMCGeometry->GetNZ() ; } + Int_t GetNEta(void) const { return fEMCGeometry->GetNEta() ; } + Int_t GetNPhi(void) const { return fEMCGeometry->GetNPhi() ; } + Float_t GetECPbRadThick(void) const { return fEMCGeometry->GetECPbRadThick() ; } + Float_t GetECScintThick(void) const { return fEMCGeometry->GetECScintThick() ; } + Float_t GetSampling(void) const { return fEMCGeometry->GetSampling() ; } + Int_t GetNumberOfSuperModules(void) const { return fEMCGeometry->GetNumberOfSuperModules() ; } + Float_t GetPhiGapForSuperModules(void) const { return fEMCGeometry->GetfPhiGapForSuperModules() ; } + Float_t GetPhiModuleSize(void) const { return fEMCGeometry->GetPhiModuleSize() ; } + Float_t GetEtaModuleSize(void) const { return fEMCGeometry->GetEtaModuleSize() ; } + Float_t GetFrontSteelStrip(void) const { return fEMCGeometry->GetFrontSteelStrip() ; } + Float_t GetLateralSteelStrip(void) const { return fEMCGeometry->GetLateralSteelStrip() ; } + Float_t GetPassiveScintThick(void) const { return fEMCGeometry->GetPassiveScintThick() ; } + Float_t GetPhiTileSize(void) const { return fEMCGeometry->GetPhiTileSize() ; } + Float_t GetEtaTileSize(void) const { return fEMCGeometry->GetEtaTileSize() ; } + Int_t GetNPhiSuperModule(void) const { return fEMCGeometry->GetNPhiSuperModule() ; } + Int_t GetNPHIdiv(void) const { return fEMCGeometry->GetNPHIdiv() ; } + Int_t GetNETAdiv(void) const { return fEMCGeometry->GetNETAdiv() ; } + Int_t GetNCells(void) const { return fEMCGeometry->GetNCells() ; } + Float_t GetLongModuleSize(void) const { return fEMCGeometry->GetLongModuleSize() ; } + Float_t GetTrd1Angle(void) const { return fEMCGeometry->GetTrd1Angle() ; } + Float_t Get2Trd1Dx2(void) const { return fEMCGeometry->Get2Trd1Dx2() ; } + Float_t GetTrd1AlFrontThick() const { return fEMCGeometry->GetTrd1AlFrontThick() ; } + Float_t GetTrd1BondPaperThick() const { return fEMCGeometry->GetTrd1BondPaperThick() ; } + // -- + Int_t GetNCellsInSupMod(void) const { return fEMCGeometry->GetNCellsInSupMod() ; } + Int_t GetNCellsInModule(void) const { return fEMCGeometry->GetNCellsInModule() ; } + Int_t GetKey110DEG(void) const { return fEMCGeometry->GetKey110DEG() ; } + Int_t GetILOSS(void) const { return fEMCGeometry->GetILOSS() ; } + Int_t GetIHADR(void) const { return fEMCGeometry->GetIHADR() ; } + // -- + Float_t GetDeltaEta(void) const { return fEMCGeometry->GetDeltaEta() ; } + Float_t GetDeltaPhi(void) const { return fEMCGeometry->GetDeltaPhi() ; } + Int_t GetNTowers(void) const { return fEMCGeometry->GetNTowers() ; } + // + Double_t GetPhiCenterOfSM(Int_t nsupmod) const { return fEMCGeometry->GetPhiCenterOfSM(nsupmod) ; } + Float_t GetSuperModulesPar(Int_t ipar) const { return fEMCGeometry->GetSuperModulesPar(ipar) ; } + // + Bool_t GetPhiBoundariesOfSM(Int_t nSupMod, Double_t &phiMin, Double_t &phiMax) const + { return fEMCGeometry->GetPhiBoundariesOfSM(nSupMod, phiMin, phiMax) ; } + Bool_t GetPhiBoundariesOfSMGap(Int_t nPhiSec, Double_t &phiMin, Double_t &phiMax) const + { return fEMCGeometry->GetPhiBoundariesOfSMGap(nPhiSec, phiMin, phiMax); } + // + + ////////////////////////////////////////////////// + // Obsolete methods to be thrown out when feasible + Float_t GetGap2Active(void) const { return fEMCGeometry->GetGap2Active() ; } + Float_t GetSteelFrontThickness(void) const { return fEMCGeometry->GetSteelFrontThickness() ; } + Float_t GetTrd2AngleY(void) const { return fEMCGeometry->GetTrd2AngleY() ; } + Float_t Get2Trd2Dy2(void) const { return fEMCGeometry->Get2Trd2Dy2() ; } + Float_t GetTubsR(void) const { return fEMCGeometry->GetTubsR() ; } + Float_t GetTubsTurnAngle(void) const { return fEMCGeometry->GetTubsTurnAngle() ; } + //Float_t GetAlFrontThickness(void) const { return fEMCGeometry->GetAlFrontThickness() ; } + //Float_t GetIP2ECASection(void) const { return fEMCGeometry->GetIP2ECASection() ; } + ////////////////////////////////////////////////// + + /////////////////////////////// + //Geometry data member setters + // + void SetNZ(Int_t nz) { fEMCGeometry->SetNZ(nz) ; } + void SetNPhi(Int_t nphi) { fEMCGeometry->SetNPhi(nphi) ; } + //Trigger + void SetNTRUEta(Int_t ntru) { fEMCGeometry->SetNTRUEta(ntru) ; } + void SetNTRUPhi(Int_t ntru) { fEMCGeometry->SetNTRUPhi(ntru) ; } + // + void SetSampling(Float_t samp) { fEMCGeometry->SetSampling(samp) ; } + // + void PrintGeometry() { fEMCGeometry->PrintGeometry() ; } //*MENU* + + ////////////////////////// + // Global geometry methods + // + void GetGlobal(const Double_t *loc, Double_t *glob, int ind) const; + void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const; + void GetGlobal(Int_t absId, Double_t glob[3]) const; + void GetGlobal(Int_t absId, TVector3 &vglob) const; + + //////////////////////////////////////// + // 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; + + 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 + { + if(fKey110DEG == 1 && nSupMod>=10 && !fGeoName.Contains("12SMV1")) return fNPhi/2; + else if(fKey110DEG == 1 && nSupMod>=10 && fGeoName.Contains("12SMV1")) return fNPhi/3; + else return fNPhi; + } + // From cell indexes to abs cell id + void GetModuleIndexesFromCellIndexesInSModule(Int_t nSupMod, Int_t iphi, Int_t ieta, + Int_t &iphim, Int_t &ietam, Int_t &nModule) const; + Int_t GetAbsCellIdFromCellIndexes(Int_t nSupMod, Int_t iphi, Int_t ieta) const; + + // Methods for AliEMCALRecPoint - Feb 19, 2006 + Bool_t RelPosCellInSModule(Int_t absId, + Double_t &xr, Double_t &yr, Double_t &zr) const; + Bool_t RelPosCellInSModule(Int_t absId, Double_t distEff, + Double_t &xr, Double_t &yr, Double_t &zr) const; + Bool_t RelPosCellInSModule(Int_t absId, Double_t loc[3]) const; + Bool_t RelPosCellInSModule(Int_t absId, TVector3 &vloc) const; + + // Local Coordinates of SM + TArrayD GetCentersOfCellsEtaDir() const { return fCentersOfCellsEtaDir ; } // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM, in cm) + TArrayD GetCentersOfCellsXDir() const { return fCentersOfCellsXDir ; } // size fNEta*fNETAdiv (for TRD1 only) ( x in SM, in cm) + TArrayD GetCentersOfCellsPhiDir() const { return fCentersOfCellsPhiDir ; } // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM, in cm) + // + TArrayD GetEtaCentersOfCells() const { return fEtaCentersOfCells ; } // [fNEta*fNETAdiv*fNPhi*fNPHIdiv], positive direction (eta>0); eta depend from phi position; + TArrayD GetPhiCentersOfCells() const { return fPhiCentersOfCells ; } // [fNPhi*fNPHIdiv] from center of SM (-10. < phi < +10.) + + + // For gamma(Jet) trigger simulations *FIXME OLD TO BE REMOVED with AliEMCALTrigger* + Int_t GetNTRU() const { return fEMCGeometry->GetNTRU() ; } + Int_t GetNTRUEta() const { return fEMCGeometry->GetNTRUEta() ; } + Int_t GetNTRUPhi() const { return fEMCGeometry->GetNTRUPhi() ; } + Int_t GetNEtaSubOfTRU() const { return fEMCGeometry->GetNEtaSubOfTRU() ; } + Int_t GetNModulesInTRU() const { return fEMCGeometry->GetNModulesInTRU() ; } + Int_t GetNModulesInTRUEta() const { return fEMCGeometry->GetNModulesInTRUEta() ; } + Int_t GetNModulesInTRUPhi() const { return fEMCGeometry->GetNModulesInTRUPhi() ; } + // *MEFIX OLD TO BE REMOVED* + + // + // 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; + Int_t GetAbsTRUNumberFromNumberInSm(const Int_t row, const Int_t col, const Int_t sm) const ; + + + void BuildFastOR2DMap(); + Bool_t GetAbsFastORIndexFromTRU(const Int_t iTRU, const Int_t iADC, Int_t& id) const; + Bool_t GetAbsFastORIndexFromPositionInTRU(const Int_t iTRU, const Int_t iEta, const Int_t iPhi, Int_t& id) const; + Bool_t GetAbsFastORIndexFromPositionInSM( const Int_t iSM, const Int_t iEta, const Int_t iPhi, Int_t& id) const; + Bool_t GetAbsFastORIndexFromPositionInEMCAL( const Int_t iEta, const Int_t iPhi, Int_t& id) const; + Bool_t GetTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iADC) const; + Bool_t GetPositionInTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iEta, Int_t& iPhi) const; + Bool_t GetPositionInSMFromAbsFastORIndex(const Int_t id, Int_t& iSM, Int_t& iEta, Int_t& iPhi) const; + Bool_t GetPositionInEMCALFromAbsFastORIndex(const Int_t id, Int_t& iEta, Int_t& iPhi) const; + Bool_t GetFastORIndexFromCellIndex(const Int_t id, Int_t& idx) const; + Bool_t GetCellIndexFromFastORIndex(const Int_t id, Int_t idx[4]) const; + Bool_t GetTRUIndexFromSTUIndex(const Int_t id, Int_t& idx) const; + Int_t GetTRUIndexFromSTUIndex(const Int_t id) const; + Bool_t GetTRUIndexFromOnlineIndex(const Int_t id, Int_t& idx) const; + Int_t GetTRUIndexFromOnlineIndex(const Int_t id) const; + Bool_t GetOnlineIndexFromTRUIndex(const Int_t id, Int_t& idx) const; + Int_t GetOnlineIndexFromTRUIndex(const Int_t id) const; + Bool_t GetFastORIndexFromL0Index(const Int_t iTRU, const Int_t id, Int_t idx[], const Int_t size) const; + + /////////////////// + // useful utilities + // + Float_t AngleFromEta(Float_t eta) const { // returns theta in radians for a given pseudorapidity + return 2.0*TMath::ATan(TMath::Exp(-eta)); + } + Float_t ZFromEtaR(Float_t r,Float_t eta) const { // returns z in for a given + // pseudorapidity and r=sqrt(x*x+y*y). + return r/TMath::Tan(AngleFromEta(eta)); + } + + //Method to set shift-rotational matrixes from ESDHeader + void SetMisalMatrix(const TGeoHMatrix * m, Int_t smod); + + //Alternate geometry that allows to calculate tower position for different particles and different alignments + void RecalculateTowerPosition(Float_t drow, Float_t dcol, const Int_t sm, const Float_t depth, + const Float_t misaligTransShifts[15], const Float_t misaligRotShifts[15],Float_t global[3]) const; + + //Returns shift-rotational matrixes for different volumes + const TGeoHMatrix * GetMatrixForSuperModule(Int_t smod)const ; + +protected: + + void Init(void); // initializes the parameters of EMCAL + + AliEMCALEMCGeometry * fEMCGeometry;// Geometry object for Electromagnetic calorimeter + + TString fGeoName; // geometry name + Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05 + Int_t fNCellsInSupMod; // number cell in super module + Int_t fNETAdiv; // number eta divizion of module + Int_t fNPHIdiv; // number phi divizion of module + Int_t fNCellsInModule; // number cell in module + TArrayD fPhiBoundariesOfSM; // phi boundaries of SM in rad; size is fNumberOfSuperModules; + TArrayD fPhiCentersOfSM; // phi of centers of SMl size is fNumberOfSuperModules/2 + // Local Coordinates of SM + TArrayD fPhiCentersOfCells; // [fNPhi*fNPHIdiv] from center of SM (-10. < phi < +10.) + TArrayD fCentersOfCellsEtaDir; // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM, in cm) + TArrayD fCentersOfCellsPhiDir; // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM, in cm) + TArrayD fEtaCentersOfCells; // [fNEta*fNETAdiv*fNPhi*fNPHIdiv], positive direction (eta>0); eta depend from phi position; + Int_t fNCells; // number of cells in calo + Int_t fNPhi; // Number of Towers in the PHI direction + TArrayD fCentersOfCellsXDir; // size fNEta*fNETAdiv (for TRD1 only) ( x in SM, in cm) + Float_t fEnvelop[3]; // the GEANT TUB for the detector + Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta + Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta + Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees) + Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees) + Float_t fEtaMaxOfTRD1; // Max eta in case of TRD1 geometry (see AliEMCALShishKebabTrd1Module) + TList *fShishKebabTrd1Modules; // list of modules + Float_t fParSM[3]; // SM sizes as in GEANT (TRD1) + Float_t fPhiModuleSize; // Phi -> X + Float_t fEtaModuleSize; // Eta -> Y + Float_t fPhiTileSize; // Size of phi tile + Float_t fEtaTileSize; // Size of eta tile + Int_t fNZ; // Number of Towers in the Z direction + Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL + Float_t fLongModuleSize; // Size of long module + // Geometry Parameters + Float_t fShellThickness; // Total thickness in (x,y) direction + Float_t fZLength; // Total length in z direction + Float_t fSampling; // Sampling factor + + Int_t fFastOR2DMap[48][64]; // FastOR 2D Map over full EMCal + + TGeoHMatrix* fkSModuleMatrix[AliEMCALGeoParams::fgkEMCALModules] ; //Orientations of EMCAL super modules + Bool_t fUseExternalMatrices; // Use the matrices set in fkSModuleMatrix and not those in the geoManager + +private: + + static AliEMCALGeometry *fgGeom; // Pointer to the unique instance of the singleton + static Bool_t fgInit; // Tells if geometry has been succesfully set up. + static const Char_t *fgkDefaultGeometryName; // Default name of geometry + + + ClassDef(AliEMCALGeometry,16) // EMCAL geometry class + +} ; + +#endif // AliEMCALGEOUTILS_H -#include "AliGeometry.h" - -class AliEMCALGeometry : public AliGeometry { - public: - AliEMCALGeometry() { - // default ctor, must be kept public for root persistency purposes, - // but should never be called by the outside world - }; - AliEMCALGeometry(const AliEMCALGeometry & geom) { - // cpy ctor requested by Coding Convention but not yet needed - assert(0==1); - }; - virtual ~AliEMCALGeometry(void) ; - static AliEMCALGeometry * GetInstance(const Text_t* name, - const Text_t* title="") ; - static AliEMCALGeometry * GetInstance() ; - AliEMCALGeometry & operator = (const AliEMCALGeometry & rvalue) const { - // assignement operator requested by coding convention but not needed - assert(0==1) ; - return *(GetInstance()) ; - }; - virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrix &) const {} - virtual void GetGlobal(const AliRecPoint *, TVector3 &) const {} - // General - Bool_t IsInitialized(void) const { return fgInit ; } - // Return EMCA geometrical parameters - // geometry - const Float_t GetAirGap() const { return fAirGap ; } - const Float_t GetAlFrontThickness() const { return fAlFrontThick;} - const Float_t GetArm1PhiMin() const { return fArm1PhiMin ; } - const Float_t GetArm1PhiMax() const { return fArm1PhiMax ; } - const Float_t GetArm1EtaMin() const { return fArm1EtaMin;} - const Float_t GetArm1EtaMax() const { return fArm1EtaMax;} - const Float_t GetIPDistance() const { return fIPDistance ; } - const Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; } - const Float_t GetShellThickness() const { return fShellThickness ; } - const Float_t GetZLength() const { return fZLength ; } - const Float_t GetGap2Active() const {return fGap2Active ; } - const Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/ - ((Float_t)fNZ);} - const Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/ - ((Float_t)fNPhi);} - const Int_t GetNLayers() const {return fNLayers ;} - const Int_t GetNZ() const {return fNZ ;} - const Int_t GetNEta() const {return fNZ ;} - const Int_t GetNPhi() const {return fNPhi ;} - const Float_t GetPbRadThick(){ // returns Pb radiator thickness in cm. - return fPbRadThickness; - } - const Float_t GetFullSintThick(){ // returns Full tower sintilator - // thickness in cm. - return fFullShowerSintThick; - } - const Float_t GetPreSintThick(){ // returns PreShower tower sintilator - // thickness in cm. - return fPreShowerSintThick; - } - Float_t AngleFromEta(Float_t eta){ // returns angle in radians for a given - // pseudorapidity. - return 2.0*TMath::ATan(TMath::Exp(-eta)); - } - Float_t ZFromEtaR(Float_t r,Float_t eta){ // returns z in for a given - // pseudorapidity and r=sqrt(x*x+y*y). - return r/TMath::Tan(AngleFromEta(eta)); - } - Int_t TowerIndex(Int_t iz,Int_t iphi,Int_t ipre) const; // returns tower index - // returns tower indexs iz, iphi. - void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi,Int_t &ipre) const; - // for a given tower index it returns eta and phi of center of that tower. - void EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const; - // for a given eta and phi in the EMCAL it returns the tower index. - Int_t TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const; - // for a given eta and phi in the EMCAL it returns the pretower index. - Int_t PreTowerIndexFromEtaPhi(Float_t eta,Float_t phi) const; - // Returns theta and phi (degree) for a given EMCAL cell indecated by relid - void PosInAlice(const Int_t *relid,Float_t &theta,Float_t &phi); - // Returns an array indicating the Tower/preshower, iz, and iphi for a - // specific EMCAL indes. - Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const; - /* - // Returns kTRUE if the two indexs are neighboring towers or preshowers. - Boot_t AliEMCALGeometry::AreNeighbours(Int_t index1,Int_t index2) const; - */ - - protected: - AliEMCALGeometry(const Text_t* name, const Text_t* title="") : - AliGeometry(name, title) {// ctor only for internal usage (singleton) - Init(); - }; - void Init(void) ; // initializes the parameters of EMCAL - - private: - static AliEMCALGeometry * fgGeom ; // pointer to the unique instance - // of the singleton - static Bool_t fgInit;// Tells if geometry has been succesfully set up. - Float_t fAirGap; // Distance between envelop and active material - Float_t fAlFrontThick; // Thickness of the front Al face of the support box - Float_t fPreShowerSintThick; // Thickness of the sintilator for the - // preshower part of the calorimeter - Float_t fFullShowerSintThick;// Thickness of the sintilaor for the full - // shower part of the calorimeter - Float_t fPbRadThickness; // Thickness of Pb radiators cm. - Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees) - Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees) - Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta - Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta - - // It is assumed that Arm1 and Arm2 have the same following parameters - Float_t fEnvelop[3]; // the GEANT TUB for the detector - Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL - Float_t fShellThickness; // Total thickness in (x,y) direction - Float_t fZLength; // Total length in z direction - Float_t fGap2Active; // Gap between the envelop and the active material - Int_t fNLayers; // Number of layers of material in the R direction - Int_t fNZ; // Number of Towers in the Z direction - Int_t fNPhi; //Number of Towers in the Phi Direction - - ClassDef(AliEMCALGeometry,3) // EMCAL geometry class - -}; - -#endif // AliEMCALGEOMETRY_H