[u/mrichter/AliRoot.git] / EMCAL / AliEMCALGeometry.h

#ifndef ALIEMCALGEOMETRY_H
#define ALIEMCALGEOMETRY_H
/* Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//_________________________________________________________________________
// Geometry class  for EMCAL : singleton
// EMCAL consists of a layers of scintillator, and lead.
//                  
//*-- Author: Sahal Yacoob (LBL / UCT)
//*--   and : Yves Schutz (Subatech)
//*--   and : Aleksei Pavlinov (WSU) - shashlyk staff
//*--   and : Gustavo Conesa: Add TRU mapping. TRU parameters still not fixed.

// --- ROOT system ---
class TString ;
class TObjArray;
class TVector3;
class TGeoMatrix;
class TArrayD;
class TParticle ; 
class AliEMCALShishKebabTrd1Module;
class AliEMCALRecPoint;
class TClonesArray ;

// --- AliRoot header files ---
#include "AliGeometry.h"

class AliEMCALGeometry : public AliGeometry {
public:
  AliEMCALGeometry(const AliEMCALGeometry& geom):AliGeometry(geom) {
    // cpy ctor requested by Coding Convention but not yet needed
    Fatal("Cpy ctor", "Not implemented");
  };
  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
    Fatal("operator =", "not implemented");
    return *(GetInstance()) ; 
  };

  // Have to call GetTransformationForSM() before calculation global charachteristics 
  void GetGlobal(const Double_t *loc, Double_t *glob, int nsm) const;
  void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int nsm) const;
  void GetGlobal(const Int_t absId, TVector3 &vglob) 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;

  //  virtual void GetGlobal(const AliEMCALRecPoint *rp, TVector3 &vglob) const;

  virtual void GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const;
  // Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;  

  TClonesArray *  FillTRU(const TClonesArray * digits)  ;
  virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}

  virtual Bool_t Impact(const TParticle *) const {return kTRUE;}

  Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
  // General
  Bool_t  IsInitialized(void) const { return fgInit ; }
  // Return EMCAL geometrical parameters
  // geometry
  Char_t* GetNameOfEMCALEnvelope() const {return "XEN1";}
  Float_t GetAlFrontThickness() const { return fAlFrontThick;}
  Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
  Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
  Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
  Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
  Float_t GetIPDistance() const { return fIPDistance;}   
  Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }   
  Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }  
  Float_t GetShellThickness() const { return fShellThickness ; }
  Float_t GetZLength() const { return fZLength ; } 
  Float_t GetGap2Active() const {return  fGap2Active ;}
  Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
				       ((Float_t)fNZ);}
  Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
				       ((Float_t)fNPhi);}
  Int_t   GetNECLayers() const {return fNECLayers ;}
  Int_t   GetNZ() const {return fNZ ;}
  Int_t   GetNEta() const {return fNZ ;}
  Int_t   GetNPhi() const {return fNPhi ;}
  Int_t   GetNTowers() const {return fNPhi * fNZ ;}
  Float_t GetECPbRadThick()const {return fECPbRadThickness;}
  Float_t GetECScintThick() const {return fECScintThick;}
  Float_t GetSampling() const {return fSampling ; } 
  Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}

  Int_t   GetNumberOfSuperModules() const {return fNumberOfSuperModules;}
  Float_t GetfPhiGapForSuperModules() const {return fPhiGapForSM;}
  Float_t GetPhiModuleSize() const  {return fPhiModuleSize;}
  Float_t GetEtaModuleSize() const  {return fEtaModuleSize;}
  Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
  Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
  Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
  Float_t GetPhiTileSize() const {return fPhiTileSize;}
  Float_t GetEtaTileSize() const {return fEtaTileSize;}
  Int_t   GetNPhiSuperModule() const {return fNPhiSuperModule;}
  Int_t   GetNPHIdiv() const {return fNPHIdiv ;}
  Int_t   GetNETAdiv() const {return fNETAdiv ;}
  Int_t   GetNCells()  const {return fNCells;}

  Int_t   GetNTRU() const    {return fNTRU ; }  
  Int_t   GetNTRUEta() const {return fNTRUEta ; }  
  Int_t   GetNTRUPhi() const {return fNTRUPhi ; }  

  Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
  Float_t GetLongModuleSize() const {return fLongModuleSize;}

  Float_t GetTrd1Angle() const {return fTrd1Angle;}
  Float_t Get2Trd1Dx2()  const {return f2Trd1Dx2;}
  Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
  Float_t Get2Trd2Dy2()  const {return f2Trd2Dy2;}
  Float_t GetTubsR()     const {return fTubsR;}
  Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}

  // TRD1 staff
  void    CreateListOfTrd1Modules();
  TList  *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;}
  AliEMCALShishKebabTrd1Module *GetShishKebabModule(const Int_t neta=0)
  {
    static AliEMCALShishKebabTrd1Module* trd1=0;
    if(fShishKebabTrd1Modules && neta>=0 && neta<fShishKebabTrd1Modules->GetSize()) {
      trd1 = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(neta);
    } else trd1 = 0;
    return trd1;
  }
  void     GetTransformationForSM();
  Float_t *GetSuperModulesPars() {return fParSM;}
  TGeoMatrix *GetTransformationForSM(int i) {
  if(i>=0 && GetNumberOfSuperModules()) return fMatrixOfSM[i]; 
                                        else return 0;}
  // abs id <-> indexes; Shish-kebab case (TRD1 or TRD2)
  Int_t   GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const;
  Bool_t  CheckAbsCellId(Int_t ind) const; // replace the IsInECA
  Bool_t  GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta) const;
  void    GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphit, Int_t &ietat) const;
  void    GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
                                      Int_t &iphi, Int_t &ieta) const ;
  Int_t   GetSuperModuleNumber(Int_t absId)  const; 
  // Methods for AliEMCALRecPoint - Frb 19, 2006
  Bool_t   RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr);
  // ---
  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));
  }
  // These methods are obsolete but use in AliEMCALRecPoint - keep it now
  Int_t TowerIndex(Int_t iz,Int_t iphi) const; // returns tower index
  	// returns tower indexs iz, iphi.
  void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi) const;
  	// returns x, y, and z (cm) on the inner surface of a given EMCAL Cell specified by relid.
  void XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const;
  void XYZFromIndex(Int_t absid, TVector3 &v) 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.
  void PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const ;
  void PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const ;
  Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const;
  // --
  void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
  void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }

  void SetNTRU(Int_t ntru)    {fNTRU    = ntru; printf("SetNTRU: Number of TRUs per SuperModule set to %d", fNTRU) ; }
  void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;}
  void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;}

  void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }

  Int_t GetNCellsInSupMod() const {return fNCellsInSupMod;}
  Int_t GetNCellsInTower() const {return fNCellsInTower; }

protected:
  AliEMCALGeometry(const Text_t* name, const Text_t* title="") :
    AliGeometry(name, title) {// ctor only for internal usage (singleton)
    Init();
    CreateListOfTrd1Modules();
  };
  AliEMCALGeometry() :
    AliGeometry() {// ctor only for internal usage (singleton)
    CreateListOfTrd1Modules();
    //Init();
  };
  void Init(void);     			// initializes the parameters of EMCAL
  void CheckAditionalOptions();              //
  
private:
  static AliEMCALGeometry * fgGeom;	// pointer to the unique instance of the singleton
  static Bool_t fgInit;			// Tells if geometry has been succesfully set up.
  TObjArray *fArrayOpts;                //! array of geometry options

  Float_t fAlFrontThick;		// Thickness of the front Al face of the support box  
  Float_t fECPbRadThickness;		// cm, Thickness of the Pb radiators
  Float_t fECScintThick;		// cm, Thickness of the scintillators
  Int_t   fNECLayers;			// number of scintillator layers
  
  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
  
  // Geometry 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   fNZ;				// Number of Towers in the Z direction
  Int_t   fNPhi;			// Number of Towers in the PHI direction
  Float_t fSampling;			// Sampling factor

  // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
  Int_t   fNumberOfSuperModules;         // default is 12 = 6 * 2 
  Float_t fSteelFrontThick;		 // Thickness of the front stell face of the support box - 9-sep-04
  Float_t fFrontSteelStrip;              // 13-may-05
  Float_t fLateralSteelStrip;            // 13-may-05
  Float_t fPassiveScintThick;            // 13-may-05
  Float_t fPhiModuleSize;                // Phi -> X 
  Float_t fEtaModuleSize;                // Eta -> Y
  Float_t fPhiTileSize;                  // 
  Float_t fEtaTileSize;                  // 
  Float_t fLongModuleSize;               // 
  Int_t   fNPhiSuperModule;              // 6 - number supermodule in phi direction
  Int_t   fNPHIdiv;                      // number phi divizion of module
  Int_t   fNETAdiv;                      // number eta divizion of module
  //
  Int_t   fNCells;                       // number of cells in calo
  Int_t   fNCellsInSupMod;               // number cell in super module
  Int_t   fNCellsInTower;                // number cell in tower(or module)
  //TRU parameters
  Int_t   fNTRU ;                        //! Number of TRUs per module
  Int_t   fNTRUEta ;                     //! Number of cell rows per Z in one TRU
  Int_t   fNTRUPhi ;                     //! Number of cell rows per Phi in one TRU
  // TRD1 options - 30-sep-04
  Float_t fTrd1Angle;                    // angle in x-z plane (in degree) 
  Float_t f2Trd1Dx2;                     // 2*dx2 for TRD1
  Float_t fPhiGapForSM;                  // Gap betweeen supermodules in phi direction
  Int_t   fKey110DEG;                    // for calculation abs cell id; 19-oct-05 
  // TRD2 options - 27-jan-07
  Float_t fTrd2AngleY;                   // angle in y-z plane (in degree) 
  Float_t f2Trd2Dy2;                     // 2*dy2 for TRD2
  Float_t fEmptySpace;                   // 2mm om fred drawing
  // Super module as TUBS
  Float_t fTubsR;                        // radius of tubs 
  Float_t fTubsTurnAngle;                // turn angle of tubs in degree
  // Local Coordinates of SM
  TArrayD *fEtaCentersOfCells;           // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM)
  TArrayD *fXCentersOfCells;             // size fNEta*fNETAdiv (for TRD1 only) (       x in SM)
  TArrayD *fPhiCentersOfCells;           // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM)
  // Move from AliEMCALv0 - Feb 19, 2006
  TList *fShishKebabTrd1Modules; //! list of modules
  // Local coordinates of SM for TRD1
  Float_t     fParSM[3];       // SM sizes as in GEANT (TRD1)
  TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager;
  // Service routine 
  static int ParseString(const TString &topt, TObjArray &Opt);

  ClassDef(AliEMCALGeometry,10) // EMCAL geometry class 
  };

#endif // AliEMCALGEOMETRY_H
Commit	Line	Data
2012850d	1	#ifndef ALIEMCALGEOMETRY_H
2012850d	2	#define ALIEMCALGEOMETRY_H
1963b290	3	/* Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
2012850d	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	//_________________________________________________________________________
	9	// Geometry class for EMCAL : singleton
b13bbe81	10	// EMCAL consists of a layers of scintillator, and lead.
2012850d	11	//
b13bbe81	12	//*-- Author: Sahal Yacoob (LBL / UCT)
b13bbe81	13	//*-- and : Yves Schutz (Subatech)
c63c3c5d	14	//*-- and : Aleksei Pavlinov (WSU) - shashlyk staff
f0377b23	15	//*-- and : Gustavo Conesa: Add TRU mapping. TRU parameters still not fixed.
2012850d	16
2012850d	17	// --- ROOT system ---
d64c959b	18	class TString ;
c63c3c5d	19	class TObjArray;
e52475ed	20	class TVector3;
	21	class TGeoMatrix;
	22	class TArrayD;
cad18b88	23	class TParticle ;
e52475ed	24	class AliEMCALShishKebabTrd1Module;
e52475ed	25	class AliEMCALRecPoint;
f0377b23	26	class TClonesArray ;
2012850d	27
2012850d	28	// --- AliRoot header files ---
2012850d	29	#include "AliGeometry.h"
2012850d	30
2012850d	31	class AliEMCALGeometry : public AliGeometry {
a97849a9	32	public:
39200c71	33	AliEMCALGeometry(const AliEMCALGeometry& geom):AliGeometry(geom) {
a97849a9	34	// cpy ctor requested by Coding Convention but not yet needed
d64c959b	35	Fatal("Cpy ctor", "Not implemented");
a97849a9	36	};
	37	virtual ~AliEMCALGeometry(void) ;
	38	static AliEMCALGeometry * GetInstance(const Text_t* name,
	39	const Text_t* title="") ;
	40	static AliEMCALGeometry * GetInstance() ;
9c0a4862	41	AliEMCALGeometry & operator = (const AliEMCALGeometry & /rvalue/) const {
a97849a9	42	// assignement operator requested by coding convention but not needed
fdebddeb	43	Fatal("operator =", "not implemented");
a97849a9	44	return *(GetInstance()) ;
a97849a9	45	};
395c7ba2	46
e52475ed	47	// Have to call GetTransformationForSM() before calculation global charachteristics
	48	void GetGlobal(const Double_t loc, Double_t glob, int nsm) const;
	49	void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int nsm) const;
	50	void GetGlobal(const Int_t absId, TVector3 &vglob) const;
	51	// for a given tower index it returns eta and phi of center of that tower.
	52	void EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const;
	53
	54	// virtual void GetGlobal(const AliEMCALRecPoint *rp, TVector3 &vglob) const;
	55
	56	virtual void GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const;
	57	// Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;
f0377b23	58
f0377b23	59	TClonesArray * FillTRU(const TClonesArray * digits) ;
e8d02863	60	virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}
e52475ed	61
9e5d2067	62	virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
ab37d09c	63
ab37d09c	64	Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
a97849a9	65	// General
a97849a9	66	Bool_t IsInitialized(void) const { return fgInit ; }
c63c3c5d	67	// Return EMCAL geometrical parameters
a97849a9	68	// geometry
e52475ed	69	Char_t* GetNameOfEMCALEnvelope() const {return "XEN1";}
09884213	70	Float_t GetAlFrontThickness() const { return fAlFrontThick;}
	71	Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
	72	Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
	73	Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
	74	Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
	75	Float_t GetIPDistance() const { return fIPDistance;}
	76	Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }
	77	Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
	78	Float_t GetShellThickness() const { return fShellThickness ; }
	79	Float_t GetZLength() const { return fZLength ; }
c63c3c5d	80	Float_t GetGap2Active() const {return fGap2Active ;}
09884213	81	Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
a97849a9	82	((Float_t)fNZ);}
09884213	83	Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
a97849a9	84	((Float_t)fNPhi);}
09884213	85	Int_t GetNECLayers() const {return fNECLayers ;}
	86	Int_t GetNZ() const {return fNZ ;}
	87	Int_t GetNEta() const {return fNZ ;}
	88	Int_t GetNPhi() const {return fNPhi ;}
	89	Int_t GetNTowers() const {return fNPhi * fNZ ;}
	90	Float_t GetECPbRadThick()const {return fECPbRadThickness;}
	91	Float_t GetECScintThick() const {return fECScintThick;}
	92	Float_t GetSampling() const {return fSampling ; }
	93	Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
1963b290	94
e52475ed	95	Int_t GetNumberOfSuperModules() const {return fNumberOfSuperModules;}
e52475ed	96	Float_t GetfPhiGapForSuperModules() const {return fPhiGapForSM;}
1963b290	97	Float_t GetPhiModuleSize() const {return fPhiModuleSize;}
	98	Float_t GetEtaModuleSize() const {return fEtaModuleSize;}
	99	Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
	100	Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
	101	Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
	102	Float_t GetPhiTileSize() const {return fPhiTileSize;}
	103	Float_t GetEtaTileSize() const {return fEtaTileSize;}
	104	Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;}
	105	Int_t GetNPHIdiv() const {return fNPHIdiv ;}
	106	Int_t GetNETAdiv() const {return fNETAdiv ;}
	107	Int_t GetNCells() const {return fNCells;}
f0377b23	108
	109	Int_t GetNTRU() const {return fNTRU ; }
	110	Int_t GetNTRUEta() const {return fNTRUEta ; }
	111	Int_t GetNTRUPhi() const {return fNTRUPhi ; }
	112
1963b290	113	Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
	114	Float_t GetLongModuleSize() const {return fLongModuleSize;}
	115
	116	Float_t GetTrd1Angle() const {return fTrd1Angle;}
	117	Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;}
	118	Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
	119	Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;}
	120	Float_t GetTubsR() const {return fTubsR;}
	121	Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}
e52475ed	122
	123	// TRD1 staff
	124	void CreateListOfTrd1Modules();
	125	TList *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;}
	126	AliEMCALShishKebabTrd1Module *GetShishKebabModule(const Int_t neta=0)
	127	{
	128	static AliEMCALShishKebabTrd1Module* trd1=0;
	129	if(fShishKebabTrd1Modules && neta>=0 && neta<fShishKebabTrd1Modules->GetSize()) {
	130	trd1 = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(neta);
	131	} else trd1 = 0;
	132	return trd1;
	133	}
	134	void GetTransformationForSM();
	135	Float_t *GetSuperModulesPars() {return fParSM;}
	136	TGeoMatrix *GetTransformationForSM(int i) {
	137	if(i>=0 && GetNumberOfSuperModules()) return fMatrixOfSM[i];
	138	else return 0;}
	139	// abs id <-> indexes; Shish-kebab case (TRD1 or TRD2)
	140	Int_t GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const;
	141	Bool_t CheckAbsCellId(Int_t ind) const; // replace the IsInECA
	142	Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta) const;
	143	void GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphit, Int_t &ietat) const;
eb0b1051	144	void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
e52475ed	145	Int_t &iphi, Int_t &ieta) const ;
	146	Int_t GetSuperModuleNumber(Int_t absId) const;
	147	// Methods for AliEMCALRecPoint - Frb 19, 2006
	148	Bool_t RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr);
1963b290	149	// ---
e52475ed	150	Float_t AngleFromEta(Float_t eta) const { // returns theta in radians for a given pseudorapidity
a97849a9	151	return 2.0*TMath::ATan(TMath::Exp(-eta));
a97849a9	152	}
e52475ed	153	Float_t ZFromEtaR(Float_t r,Float_t eta) const { // returns z in for a given
a97849a9	154	// pseudorapidity and r=sqrt(xx+yy).
	155	return r/TMath::Tan(AngleFromEta(eta));
	156	}
c63c3c5d	157	// These methods are obsolete but use in AliEMCALRecPoint - keep it now
395c7ba2	158	Int_t TowerIndex(Int_t iz,Int_t iphi) const; // returns tower index
fdebddeb	159	// returns tower indexs iz, iphi.
fdebddeb	160	void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi) const;
fdebddeb	161	// returns x, y, and z (cm) on the inner surface of a given EMCAL Cell specified by relid.
a97849a9	162	void XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const;
09884213	163	void XYZFromIndex(Int_t absid, TVector3 &v) const;
fdebddeb	164	// for a given eta and phi in the EMCAL it returns the tower index.
a97849a9	165	Int_t TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const;
fdebddeb	166	// for a given eta and phi in the EMCAL it returns the pretower index.
395c7ba2	167	void PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const ;
09884213	168	void PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const ;
a97849a9	169	Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const;
c63c3c5d	170	// --
fdebddeb	171	void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
fdebddeb	172	void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }
f0377b23	173
	174	void SetNTRU(Int_t ntru) {fNTRU = ntru; printf("SetNTRU: Number of TRUs per SuperModule set to %d", fNTRU) ; }
	175	void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;}
	176	void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;}
	177
fdebddeb	178	void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }
395c7ba2	179
4c431bcc	180	Int_t GetNCellsInSupMod() const {return fNCellsInSupMod;}
	181	Int_t GetNCellsInTower() const {return fNCellsInTower; }
	182
a97849a9	183	protected:
	184	AliEMCALGeometry(const Text_t* name, const Text_t* title="") :
	185	AliGeometry(name, title) {// ctor only for internal usage (singleton)
	186	Init();
e52475ed	187	CreateListOfTrd1Modules();
a97849a9	188	};
eb0b1051	189	AliEMCALGeometry() :
eb0b1051	190	AliGeometry() {// ctor only for internal usage (singleton)
e52475ed	191	CreateListOfTrd1Modules();
e52475ed	192	//Init();
eb0b1051	193	};
fdebddeb	194	void Init(void); // initializes the parameters of EMCAL
c63c3c5d	195	void CheckAditionalOptions(); //
a97849a9	196
a97849a9	197	private:
fdebddeb	198	static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton
fdebddeb	199	static Bool_t fgInit; // Tells if geometry has been succesfully set up.
c63c3c5d	200	TObjArray *fArrayOpts; //! array of geometry options
	201
	202	Float_t fAlFrontThick; // Thickness of the front Al face of the support box
fdebddeb	203	Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators
	204	Float_t fECScintThick; // cm, Thickness of the scintillators
	205	Int_t fNECLayers; // number of scintillator layers
395c7ba2	206
fdebddeb	207	Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
	208	Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
	209	Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
	210	Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
a97849a9	211
fdebddeb	212	// Geometry Parameters
	213	Float_t fEnvelop[3]; // the GEANT TUB for the detector
	214	Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
	215	Float_t fShellThickness; // Total thickness in (x,y) direction
	216	Float_t fZLength; // Total length in z direction
	217	Float_t fGap2Active; // Gap between the envelop and the active material
	218	Int_t fNZ; // Number of Towers in the Z direction
1963b290	219	Int_t fNPhi; // Number of Towers in the PHI direction
fdebddeb	220	Float_t fSampling; // Sampling factor
1963b290	221
	222	// Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
	223	Int_t fNumberOfSuperModules; // default is 12 = 6 * 2
	224	Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04
	225	Float_t fFrontSteelStrip; // 13-may-05
	226	Float_t fLateralSteelStrip; // 13-may-05
	227	Float_t fPassiveScintThick; // 13-may-05
	228	Float_t fPhiModuleSize; // Phi -> X
	229	Float_t fEtaModuleSize; // Eta -> Y
	230	Float_t fPhiTileSize; //
	231	Float_t fEtaTileSize; //
	232	Float_t fLongModuleSize; //
	233	Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction
d87bd045	234	Int_t fNPHIdiv; // number phi divizion of module
d87bd045	235	Int_t fNETAdiv; // number eta divizion of module
1963b290	236	//
	237	Int_t fNCells; // number of cells in calo
	238	Int_t fNCellsInSupMod; // number cell in super module
c63c3c5d	239	Int_t fNCellsInTower; // number cell in tower(or module)
f0377b23	240	//TRU parameters
	241	Int_t fNTRU ; //! Number of TRUs per module
	242	Int_t fNTRUEta ; //! Number of cell rows per Z in one TRU
	243	Int_t fNTRUPhi ; //! Number of cell rows per Phi in one TRU
1963b290	244	// TRD1 options - 30-sep-04
	245	Float_t fTrd1Angle; // angle in x-z plane (in degree)
	246	Float_t f2Trd1Dx2; // 2*dx2 for TRD1
905263da	247	Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction
d87bd045	248	Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05
1963b290	249	// TRD2 options - 27-jan-07
	250	Float_t fTrd2AngleY; // angle in y-z plane (in degree)
	251	Float_t f2Trd2Dy2; // 2*dy2 for TRD2
	252	Float_t fEmptySpace; // 2mm om fred drawing
d87bd045	253	// Super module as TUBS
1963b290	254	Float_t fTubsR; // radius of tubs
1963b290	255	Float_t fTubsTurnAngle; // turn angle of tubs in degree
e52475ed	256	// Local Coordinates of SM
	257	TArrayD fEtaCentersOfCells; // size fNEtafNETAdiv (for TRD1 only) (eta or z in SM)
	258	TArrayD fXCentersOfCells; // size fNEtafNETAdiv (for TRD1 only) ( x in SM)
	259	TArrayD fPhiCentersOfCells; // size fNPhifNPHIdiv (for TRD1 only) (phi or y in SM)
	260	// Move from AliEMCALv0 - Feb 19, 2006
	261	TList *fShishKebabTrd1Modules; //! list of modules
	262	// Local coordinates of SM for TRD1
	263	Float_t fParSM[3]; // SM sizes as in GEANT (TRD1)
	264	TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager;
c63c3c5d	265	// Service routine
c63c3c5d	266	static int ParseString(const TString &topt, TObjArray &Opt);
1963b290	267
c63c3c5d	268	ClassDef(AliEMCALGeometry,10) // EMCAL geometry class
c63c3c5d	269	};
2012850d	270
2012850d	271	#endif // AliEMCALGEOMETRY_H