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2012850d | 1 | #ifndef ALIEMCALGEOMETRY_H |
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) |
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 | |
17 | // --- ROOT system --- | |
d64c959b | 18 | class TString ; |
c63c3c5d | 19 | class TObjArray; |
e52475ed | 20 | class TVector3; |
21 | class TGeoMatrix; | |
cad18b88 | 22 | class TParticle ; |
e52475ed | 23 | class AliEMCALShishKebabTrd1Module; |
24 | class AliEMCALRecPoint; | |
f0377b23 | 25 | class TClonesArray ; |
2012850d | 26 | |
2012850d | 27 | // --- AliRoot header files --- |
2012850d | 28 | #include "AliGeometry.h" |
dc7da436 | 29 | #include "TArrayD.h" |
2012850d | 30 | |
2012850d | 31 | class AliEMCALGeometry : public AliGeometry { |
a97849a9 | 32 | public: |
0a4cb131 | 33 | AliEMCALGeometry(const AliEMCALGeometry& geom); |
d434833b | 34 | virtual ~AliEMCALGeometry(void); |
35 | ||
a97849a9 | 36 | static AliEMCALGeometry * GetInstance(const Text_t* name, |
37 | const Text_t* title="") ; | |
38 | static AliEMCALGeometry * GetInstance() ; | |
9cff4509 | 39 | AliEMCALGeometry & operator = (const AliEMCALGeometry & /*rvalue*/) { |
a97849a9 | 40 | // assignement operator requested by coding convention but not needed |
fdebddeb | 41 | Fatal("operator =", "not implemented"); |
9cff4509 | 42 | return *this; |
a97849a9 | 43 | }; |
356fd0a9 | 44 | |
45 | void FillTRU(const TClonesArray * digits, TClonesArray * amptru, TClonesArray * timeRtru) ; //Fills Trigger Unit matrices with digit amplitudes and time | |
03ecfe88 | 46 | 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 |
356fd0a9 | 47 | |
e52475ed | 48 | // Have to call GetTransformationForSM() before calculation global charachteristics |
14e75ea7 | 49 | void GetGlobal(const Double_t *loc, Double_t *glob, int ind) const; |
50 | void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const; | |
51 | void GetGlobal(Int_t absId, Double_t glob[3]) const; | |
21cf2b24 | 52 | void GetGlobal(Int_t absId, TVector3 &vglob) const; |
e52475ed | 53 | // for a given tower index it returns eta and phi of center of that tower. |
664bfd66 | 54 | void EtaPhiFromIndex(Int_t absId,Float_t &eta,Float_t &phi) const; |
e52475ed | 55 | |
56 | // virtual void GetGlobal(const AliEMCALRecPoint *rp, TVector3 &vglob) const; | |
57 | ||
58 | virtual void GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const; | |
59 | // Bool_t AreInSameTower(Int_t id1, Int_t id2) const ; | |
f0377b23 | 60 | |
e8d02863 | 61 | virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {} |
e52475ed | 62 | |
9e5d2067 | 63 | virtual Bool_t Impact(const TParticle *) const {return kTRUE;} |
ab37d09c | 64 | |
65 | Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const; | |
a97849a9 | 66 | // General |
67 | Bool_t IsInitialized(void) const { return fgInit ; } | |
c63c3c5d | 68 | // Return EMCAL geometrical parameters |
a97849a9 | 69 | // geometry |
e52475ed | 70 | Char_t* GetNameOfEMCALEnvelope() const {return "XEN1";} |
09884213 | 71 | Float_t GetAlFrontThickness() const { return fAlFrontThick;} |
72 | Float_t GetArm1PhiMin() const { return fArm1PhiMin ; } | |
73 | Float_t GetArm1PhiMax() const { return fArm1PhiMax ; } | |
74 | Float_t GetArm1EtaMin() const { return fArm1EtaMin;} | |
75 | Float_t GetArm1EtaMax() const { return fArm1EtaMax;} | |
76 | Float_t GetIPDistance() const { return fIPDistance;} | |
77 | Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; } | |
78 | Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; } | |
79 | Float_t GetShellThickness() const { return fShellThickness ; } | |
80 | Float_t GetZLength() const { return fZLength ; } | |
c63c3c5d | 81 | Float_t GetGap2Active() const {return fGap2Active ;} |
09884213 | 82 | Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/ |
a97849a9 | 83 | ((Float_t)fNZ);} |
09884213 | 84 | Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/ |
a97849a9 | 85 | ((Float_t)fNPhi);} |
09884213 | 86 | Int_t GetNECLayers() const {return fNECLayers ;} |
87 | Int_t GetNZ() const {return fNZ ;} | |
88 | Int_t GetNEta() const {return fNZ ;} | |
89 | Int_t GetNPhi() const {return fNPhi ;} | |
90 | Int_t GetNTowers() const {return fNPhi * fNZ ;} | |
91 | Float_t GetECPbRadThick()const {return fECPbRadThickness;} | |
92 | Float_t GetECScintThick() const {return fECScintThick;} | |
93 | Float_t GetSampling() const {return fSampling ; } | |
dc7da436 | 94 | // Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;} |
1963b290 | 95 | |
e52475ed | 96 | Int_t GetNumberOfSuperModules() const {return fNumberOfSuperModules;} |
97 | Float_t GetfPhiGapForSuperModules() const {return fPhiGapForSM;} | |
1963b290 | 98 | Float_t GetPhiModuleSize() const {return fPhiModuleSize;} |
99 | Float_t GetEtaModuleSize() const {return fEtaModuleSize;} | |
100 | Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;} | |
101 | Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;} | |
102 | Float_t GetPassiveScintThick() const {return fPassiveScintThick;} | |
103 | Float_t GetPhiTileSize() const {return fPhiTileSize;} | |
104 | Float_t GetEtaTileSize() const {return fEtaTileSize;} | |
105 | Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;} | |
106 | Int_t GetNPHIdiv() const {return fNPHIdiv ;} | |
107 | Int_t GetNETAdiv() const {return fNETAdiv ;} | |
108 | Int_t GetNCells() const {return fNCells;} | |
f0377b23 | 109 | |
110 | Int_t GetNTRU() const {return fNTRU ; } | |
111 | Int_t GetNTRUEta() const {return fNTRUEta ; } | |
112 | Int_t GetNTRUPhi() const {return fNTRUPhi ; } | |
113 | ||
1963b290 | 114 | Float_t GetSteelFrontThickness() const { return fSteelFrontThick;} |
115 | Float_t GetLongModuleSize() const {return fLongModuleSize;} | |
116 | ||
117 | Float_t GetTrd1Angle() const {return fTrd1Angle;} | |
118 | Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;} | |
119 | Float_t GetTrd2AngleY()const {return fTrd2AngleY;} | |
120 | Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;} | |
121 | Float_t GetTubsR() const {return fTubsR;} | |
122 | Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;} | |
e52475ed | 123 | |
124 | // TRD1 staff | |
125 | void CreateListOfTrd1Modules(); | |
126 | TList *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;} | |
fc575e27 | 127 | AliEMCALShishKebabTrd1Module *GetShishKebabModule(Int_t neta); |
128 | ||
e52475ed | 129 | void GetTransformationForSM(); |
130 | Float_t *GetSuperModulesPars() {return fParSM;} | |
131 | TGeoMatrix *GetTransformationForSM(int i) { | |
25b033cf | 132 | if(i>=0 && i<GetNumberOfSuperModules()) return fMatrixOfSM[i]; |
e52475ed | 133 | else return 0;} |
dc7da436 | 134 | // abs id <-> indexes; Shish-kebab case, only TRD1 now. |
135 | // EMCAL -> Super Module -> module -> tower(or cell) - logic tree of EMCAL | |
136 | // May 31, 2006; ALICE numbering scheme: | |
137 | // see ALICE-INT-2003-038: ALICE Coordinate System and Software Numbering Convention | |
138 | // All indexes are stared from zero now. | |
e52475ed | 139 | Int_t GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const; |
dc7da436 | 140 | Bool_t CheckAbsCellId(Int_t absId) const; |
e52475ed | 141 | Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta) const; |
dc7da436 | 142 | // Local coordinate of Super Module |
143 | void GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphim, Int_t &ietam) 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; | |
14e75ea7 | 147 | // Methods for AliEMCALRecPoint - Feb 19, 2006 |
148 | Bool_t RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const; | |
149 | Bool_t RelPosCellInSModule(Int_t absId, Double_t loc[3]) const; | |
150 | Bool_t RelPosCellInSModule(Int_t absId, TVector3 &vloc) const; | |
1963b290 | 151 | // --- |
e52475ed | 152 | Float_t AngleFromEta(Float_t eta) const { // returns theta in radians for a given pseudorapidity |
a97849a9 | 153 | return 2.0*TMath::ATan(TMath::Exp(-eta)); |
154 | } | |
e52475ed | 155 | Float_t ZFromEtaR(Float_t r,Float_t eta) const { // returns z in for a given |
a97849a9 | 156 | // pseudorapidity and r=sqrt(x*x+y*y). |
157 | return r/TMath::Tan(AngleFromEta(eta)); | |
158 | } | |
fdebddeb | 159 | void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; } |
160 | void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; } | |
f0377b23 | 161 | |
162 | void SetNTRU(Int_t ntru) {fNTRU = ntru; printf("SetNTRU: Number of TRUs per SuperModule set to %d", fNTRU) ; } | |
163 | void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;} | |
164 | void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;} | |
165 | ||
fdebddeb | 166 | void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; } |
395c7ba2 | 167 | |
4c431bcc | 168 | Int_t GetNCellsInSupMod() const {return fNCellsInSupMod;} |
169 | Int_t GetNCellsInTower() const {return fNCellsInTower; } | |
170 | ||
dc7da436 | 171 | AliEMCALGeometry(); // default ctor only for internal usage (singleton) |
d434833b | 172 | |
a97849a9 | 173 | protected: |
dc7da436 | 174 | AliEMCALGeometry(const Text_t* name, const Text_t* title);// ctor only for internal usage (singleton) |
d434833b | 175 | |
fdebddeb | 176 | void Init(void); // initializes the parameters of EMCAL |
25b033cf | 177 | void CheckAdditionalOptions(); // |
178 | void DefineSamplingFraction(); // Jun 5, 2006 | |
a97849a9 | 179 | |
180 | private: | |
fdebddeb | 181 | static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton |
182 | static Bool_t fgInit; // Tells if geometry has been succesfully set up. | |
fc575e27 | 183 | |
184 | TString fGeoName; //geometry name | |
d434833b | 185 | |
c63c3c5d | 186 | TObjArray *fArrayOpts; //! array of geometry options |
187 | ||
188 | Float_t fAlFrontThick; // Thickness of the front Al face of the support box | |
fdebddeb | 189 | Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators |
190 | Float_t fECScintThick; // cm, Thickness of the scintillators | |
191 | Int_t fNECLayers; // number of scintillator layers | |
395c7ba2 | 192 | |
fdebddeb | 193 | Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees) |
194 | Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees) | |
195 | Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta | |
196 | Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta | |
a97849a9 | 197 | |
fdebddeb | 198 | // Geometry Parameters |
199 | Float_t fEnvelop[3]; // the GEANT TUB for the detector | |
200 | Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL | |
201 | Float_t fShellThickness; // Total thickness in (x,y) direction | |
202 | Float_t fZLength; // Total length in z direction | |
203 | Float_t fGap2Active; // Gap between the envelop and the active material | |
204 | Int_t fNZ; // Number of Towers in the Z direction | |
1963b290 | 205 | Int_t fNPhi; // Number of Towers in the PHI direction |
fdebddeb | 206 | Float_t fSampling; // Sampling factor |
1963b290 | 207 | |
208 | // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2 | |
209 | Int_t fNumberOfSuperModules; // default is 12 = 6 * 2 | |
210 | Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04 | |
211 | Float_t fFrontSteelStrip; // 13-may-05 | |
212 | Float_t fLateralSteelStrip; // 13-may-05 | |
213 | Float_t fPassiveScintThick; // 13-may-05 | |
214 | Float_t fPhiModuleSize; // Phi -> X | |
215 | Float_t fEtaModuleSize; // Eta -> Y | |
fc575e27 | 216 | Float_t fPhiTileSize; // Size of phi tile |
217 | Float_t fEtaTileSize; // Size of eta tile | |
218 | Float_t fLongModuleSize; // Size of long module | |
1963b290 | 219 | Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction |
d87bd045 | 220 | Int_t fNPHIdiv; // number phi divizion of module |
221 | Int_t fNETAdiv; // number eta divizion of module | |
1963b290 | 222 | // |
223 | Int_t fNCells; // number of cells in calo | |
224 | Int_t fNCellsInSupMod; // number cell in super module | |
c63c3c5d | 225 | Int_t fNCellsInTower; // number cell in tower(or module) |
f0377b23 | 226 | //TRU parameters |
227 | Int_t fNTRU ; //! Number of TRUs per module | |
228 | Int_t fNTRUEta ; //! Number of cell rows per Z in one TRU | |
229 | Int_t fNTRUPhi ; //! Number of cell rows per Phi in one TRU | |
1963b290 | 230 | // TRD1 options - 30-sep-04 |
231 | Float_t fTrd1Angle; // angle in x-z plane (in degree) | |
232 | Float_t f2Trd1Dx2; // 2*dx2 for TRD1 | |
905263da | 233 | Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction |
d87bd045 | 234 | Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05 |
1963b290 | 235 | // TRD2 options - 27-jan-07 |
236 | Float_t fTrd2AngleY; // angle in y-z plane (in degree) | |
237 | Float_t f2Trd2Dy2; // 2*dy2 for TRD2 | |
238 | Float_t fEmptySpace; // 2mm om fred drawing | |
d87bd045 | 239 | // Super module as TUBS |
1963b290 | 240 | Float_t fTubsR; // radius of tubs |
241 | Float_t fTubsTurnAngle; // turn angle of tubs in degree | |
e52475ed | 242 | // Local Coordinates of SM |
dc7da436 | 243 | TArrayD fEtaCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM) |
244 | TArrayD fXCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) ( x in SM) | |
245 | TArrayD fPhiCentersOfCells; // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM) | |
e52475ed | 246 | // Move from AliEMCALv0 - Feb 19, 2006 |
247 | TList *fShishKebabTrd1Modules; //! list of modules | |
248 | // Local coordinates of SM for TRD1 | |
249 | Float_t fParSM[3]; // SM sizes as in GEANT (TRD1) | |
250 | TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager; | |
1963b290 | 251 | |
b44d5aa4 | 252 | char *fAdditionalOpts[4]; //! some additional options for the geometry type and name |
fc575e27 | 253 | int fNAdditionalOpts; //! size of additional options parameter |
254 | ||
d434833b | 255 | ClassDef(AliEMCALGeometry, 10) // EMCAL geometry class |
c63c3c5d | 256 | }; |
2012850d | 257 | |
258 | #endif // AliEMCALGEOMETRY_H |