1 #ifndef ALIEMCALGEOMETRY_H
2 #define ALIEMCALGEOMETRY_H
3 /* Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //_________________________________________________________________________
9 // Geometry class for EMCAL : singleton
10 // EMCAL consists of a layers of scintillator, and lead.
12 //*-- Author: Sahal Yacoob (LBL / UCT)
13 //*-- and : Yves Schutz (Subatech)
14 //*-- and : Aleksei Pavlinov (WSU) - shashlyk staff
15 //*-- and : Gustavo Conesa: Add TRU mapping. TRU parameters still not fixed.
17 // --- ROOT system ---
23 class AliEMCALShishKebabTrd1Module;
24 class AliEMCALRecPoint;
27 // --- AliRoot header files ---
28 #include "AliGeometry.h"
29 #include "AliEMCALAlignData.h"
32 class AliEMCALGeometry : public AliGeometry {
34 AliEMCALGeometry(const AliEMCALGeometry& geom);
35 virtual ~AliEMCALGeometry(void);
37 static AliEMCALGeometry * GetInstance(const Text_t* name,
38 const Text_t* title="") ;
39 static AliEMCALGeometry * GetInstance() ;
40 AliEMCALGeometry & operator = (const AliEMCALGeometry & /*rvalue*/) const {
41 // assignement operator requested by coding convention but not needed
42 Fatal("operator =", "not implemented");
43 return *(GetInstance());
46 void FillTRU(const TClonesArray * digits, TClonesArray * amptru, TClonesArray * timeRtru) ; //Fills Trigger Unit matrices with digit amplitudes and time
47 void GetCellPhiEtaIndexInSModuleFromTRUIndex(Int_t itru, Int_t iphitru, Int_t ietatru, Int_t &ietaSM, Int_t &iphiSM) const ; // Tranforms Eta-Phi Cell index in TRU into Eta-Phi index in Super Module
49 // Have to call GetTransformationForSM() before calculation global charachteristics
50 void GetGlobal(const Double_t *loc, Double_t *glob, int ind) const;
51 void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const;
52 void GetGlobal(Int_t absId, Double_t glob[3]) const;
53 void GetGlobal(Int_t absId, TVector3 &vglob) const;
54 // for a given tower index it returns eta and phi of center of that tower.
55 void EtaPhiFromIndex(Int_t absId,Float_t &eta,Float_t &phi) const;
57 // virtual void GetGlobal(const AliEMCALRecPoint *rp, TVector3 &vglob) const;
59 virtual void GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const;
60 // Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;
62 virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}
64 virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
66 Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
68 Bool_t IsInitialized(void) const { return fgInit ; }
69 // Return EMCAL geometrical parameters
71 Char_t* GetNameOfEMCALEnvelope() const {return "XEN1";}
72 Float_t GetAlFrontThickness() const { return fAlFrontThick;}
73 Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
74 Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
75 Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
76 Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
77 Float_t GetIPDistance() const { return fIPDistance;}
78 Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }
79 Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
80 Float_t GetShellThickness() const { return fShellThickness ; }
81 Float_t GetZLength() const { return fZLength ; }
82 Float_t GetGap2Active() const {return fGap2Active ;}
83 Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
85 Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
87 Int_t GetNECLayers() const {return fNECLayers ;}
88 Int_t GetNZ() const {return fNZ ;}
89 Int_t GetNEta() const {return fNZ ;}
90 Int_t GetNPhi() const {return fNPhi ;}
91 Int_t GetNTowers() const {return fNPhi * fNZ ;}
92 Float_t GetECPbRadThick()const {return fECPbRadThickness;}
93 Float_t GetECScintThick() const {return fECScintThick;}
94 Float_t GetSampling() const {return fSampling ; }
95 // Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
97 Int_t GetNumberOfSuperModules() const {return fNumberOfSuperModules;}
98 Float_t GetfPhiGapForSuperModules() const {return fPhiGapForSM;}
99 Float_t GetPhiModuleSize() const {return fPhiModuleSize;}
100 Float_t GetEtaModuleSize() const {return fEtaModuleSize;}
101 Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
102 Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
103 Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
104 Float_t GetPhiTileSize() const {return fPhiTileSize;}
105 Float_t GetEtaTileSize() const {return fEtaTileSize;}
106 Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;}
107 Int_t GetNPHIdiv() const {return fNPHIdiv ;}
108 Int_t GetNETAdiv() const {return fNETAdiv ;}
109 Int_t GetNCells() const {return fNCells;}
111 Int_t GetNTRU() const {return fNTRU ; }
112 Int_t GetNTRUEta() const {return fNTRUEta ; }
113 Int_t GetNTRUPhi() const {return fNTRUPhi ; }
115 Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
116 Float_t GetLongModuleSize() const {return fLongModuleSize;}
118 Float_t GetTrd1Angle() const {return fTrd1Angle;}
119 Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;}
120 Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
121 Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;}
122 Float_t GetTubsR() const {return fTubsR;}
123 Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}
126 void CreateListOfTrd1Modules();
127 TList *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;}
128 AliEMCALShishKebabTrd1Module *GetShishKebabModule(Int_t neta);
130 void GetTransformationForSM();
131 Float_t *GetSuperModulesPars() {return fParSM;}
132 TGeoMatrix *GetTransformationForSM(int i) {
133 if(i>=0 && i<GetNumberOfSuperModules()) return fMatrixOfSM[i];
135 // abs id <-> indexes; Shish-kebab case, only TRD1 now.
136 // EMCAL -> Super Module -> module -> tower(or cell) - logic tree of EMCAL
137 // May 31, 2006; ALICE numbering scheme:
138 // see ALICE-INT-2003-038: ALICE Coordinate System and Software Numbering Convention
139 // All indexes are stared from zero now.
140 Int_t GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const;
141 Bool_t CheckAbsCellId(Int_t absId) const;
142 Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta) const;
143 // Local coordinate of Super Module
144 void GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphim, Int_t &ietam) const;
145 void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
146 Int_t &iphi, Int_t &ieta) const ;
147 Int_t GetSuperModuleNumber(Int_t absId) const;
148 // Methods for AliEMCALRecPoint - Feb 19, 2006
149 Bool_t RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const;
150 Bool_t RelPosCellInSModule(Int_t absId, Double_t loc[3]) const;
151 Bool_t RelPosCellInSModule(Int_t absId, TVector3 &vloc) const;
153 Float_t AngleFromEta(Float_t eta) const { // returns theta in radians for a given pseudorapidity
154 return 2.0*TMath::ATan(TMath::Exp(-eta));
156 Float_t ZFromEtaR(Float_t r,Float_t eta) const { // returns z in for a given
157 // pseudorapidity and r=sqrt(x*x+y*y).
158 return r/TMath::Tan(AngleFromEta(eta));
160 void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
161 void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }
163 void SetNTRU(Int_t ntru) {fNTRU = ntru; printf("SetNTRU: Number of TRUs per SuperModule set to %d", fNTRU) ; }
164 void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;}
165 void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;}
167 void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }
169 Int_t GetNCellsInSupMod() const {return fNCellsInSupMod;}
170 Int_t GetNCellsInTower() const {return fNCellsInTower; }
172 AliEMCALGeometry(); // default ctor only for internal usage (singleton)
175 AliEMCALGeometry(const Text_t* name, const Text_t* title);// ctor only for internal usage (singleton)
177 AliEMCALGeometry(const Text_t* name, const Text_t* title, AliEMCALAlignData* alignData);
179 void Init(void); // initializes the parameters of EMCAL
180 void CheckAdditionalOptions(); //
181 void DefineSamplingFraction(); // Jun 5, 2006
184 static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton
185 static Bool_t fgInit; // Tells if geometry has been succesfully set up.
186 static AliEMCALAlignData *fgAlignData;// Alignment data, to be replaced by AliAlignData soon
188 TString fGeoName; //geometry name
190 TObjArray *fArrayOpts; //! array of geometry options
192 Float_t fAlFrontThick; // Thickness of the front Al face of the support box
193 Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators
194 Float_t fECScintThick; // cm, Thickness of the scintillators
195 Int_t fNECLayers; // number of scintillator layers
197 Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
198 Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
199 Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
200 Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
202 // Geometry Parameters
203 Float_t fEnvelop[3]; // the GEANT TUB for the detector
204 Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
205 Float_t fShellThickness; // Total thickness in (x,y) direction
206 Float_t fZLength; // Total length in z direction
207 Float_t fGap2Active; // Gap between the envelop and the active material
208 Int_t fNZ; // Number of Towers in the Z direction
209 Int_t fNPhi; // Number of Towers in the PHI direction
210 Float_t fSampling; // Sampling factor
212 // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
213 Int_t fNumberOfSuperModules; // default is 12 = 6 * 2
214 Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04
215 Float_t fFrontSteelStrip; // 13-may-05
216 Float_t fLateralSteelStrip; // 13-may-05
217 Float_t fPassiveScintThick; // 13-may-05
218 Float_t fPhiModuleSize; // Phi -> X
219 Float_t fEtaModuleSize; // Eta -> Y
220 Float_t fPhiTileSize; // Size of phi tile
221 Float_t fEtaTileSize; // Size of eta tile
222 Float_t fLongModuleSize; // Size of long module
223 Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction
224 Int_t fNPHIdiv; // number phi divizion of module
225 Int_t fNETAdiv; // number eta divizion of module
227 Int_t fNCells; // number of cells in calo
228 Int_t fNCellsInSupMod; // number cell in super module
229 Int_t fNCellsInTower; // number cell in tower(or module)
231 Int_t fNTRU ; //! Number of TRUs per module
232 Int_t fNTRUEta ; //! Number of cell rows per Z in one TRU
233 Int_t fNTRUPhi ; //! Number of cell rows per Phi in one TRU
234 // TRD1 options - 30-sep-04
235 Float_t fTrd1Angle; // angle in x-z plane (in degree)
236 Float_t f2Trd1Dx2; // 2*dx2 for TRD1
237 Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction
238 Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05
239 // TRD2 options - 27-jan-07
240 Float_t fTrd2AngleY; // angle in y-z plane (in degree)
241 Float_t f2Trd2Dy2; // 2*dy2 for TRD2
242 Float_t fEmptySpace; // 2mm om fred drawing
243 // Super module as TUBS
244 Float_t fTubsR; // radius of tubs
245 Float_t fTubsTurnAngle; // turn angle of tubs in degree
246 // Local Coordinates of SM
247 TArrayD fEtaCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM)
248 TArrayD fXCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) ( x in SM)
249 TArrayD fPhiCentersOfCells; // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM)
250 // Move from AliEMCALv0 - Feb 19, 2006
251 TList *fShishKebabTrd1Modules; //! list of modules
252 // Local coordinates of SM for TRD1
253 Float_t fParSM[3]; // SM sizes as in GEANT (TRD1)
254 TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager;
256 char *fAdditionalOpts[4]; //! some additional options for the geometry type and name
257 int fNAdditionalOpts; //! size of additional options parameter
259 ClassDef(AliEMCALGeometry, 10) // EMCAL geometry class
262 #endif // AliEMCALGEOMETRY_H