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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; | |
22 | class TArrayD; | |
cad18b88 | 23 | class TParticle ; |
e52475ed | 24 | class AliEMCALShishKebabTrd1Module; |
25 | class AliEMCALRecPoint; | |
f0377b23 | 26 | class TClonesArray ; |
2012850d | 27 | |
2012850d | 28 | // --- AliRoot header files --- |
2012850d | 29 | #include "AliGeometry.h" |
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()) ; |
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 | |
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 | |
64 | Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const; | |
a97849a9 | 65 | // General |
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;} |
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)); |
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(x*x+y*y). |
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. |
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) ; } |
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 | |
a97849a9 | 180 | protected: |
181 | AliEMCALGeometry(const Text_t* name, const Text_t* title="") : | |
182 | AliGeometry(name, title) {// ctor only for internal usage (singleton) | |
183 | Init(); | |
e52475ed | 184 | CreateListOfTrd1Modules(); |
a97849a9 | 185 | }; |
eb0b1051 | 186 | AliEMCALGeometry() : |
187 | AliGeometry() {// ctor only for internal usage (singleton) | |
e52475ed | 188 | CreateListOfTrd1Modules(); |
189 | //Init(); | |
eb0b1051 | 190 | }; |
fdebddeb | 191 | void Init(void); // initializes the parameters of EMCAL |
c63c3c5d | 192 | void CheckAditionalOptions(); // |
a97849a9 | 193 | |
194 | private: | |
fdebddeb | 195 | static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton |
196 | static Bool_t fgInit; // Tells if geometry has been succesfully set up. | |
c63c3c5d | 197 | TObjArray *fArrayOpts; //! array of geometry options |
198 | ||
199 | Float_t fAlFrontThick; // Thickness of the front Al face of the support box | |
fdebddeb | 200 | Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators |
201 | Float_t fECScintThick; // cm, Thickness of the scintillators | |
202 | Int_t fNECLayers; // number of scintillator layers | |
395c7ba2 | 203 | |
fdebddeb | 204 | Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees) |
205 | Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees) | |
206 | Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta | |
207 | Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta | |
a97849a9 | 208 | |
fdebddeb | 209 | // Geometry Parameters |
210 | Float_t fEnvelop[3]; // the GEANT TUB for the detector | |
211 | Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL | |
212 | Float_t fShellThickness; // Total thickness in (x,y) direction | |
213 | Float_t fZLength; // Total length in z direction | |
214 | Float_t fGap2Active; // Gap between the envelop and the active material | |
215 | Int_t fNZ; // Number of Towers in the Z direction | |
1963b290 | 216 | Int_t fNPhi; // Number of Towers in the PHI direction |
fdebddeb | 217 | Float_t fSampling; // Sampling factor |
1963b290 | 218 | |
219 | // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2 | |
220 | Int_t fNumberOfSuperModules; // default is 12 = 6 * 2 | |
221 | Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04 | |
222 | Float_t fFrontSteelStrip; // 13-may-05 | |
223 | Float_t fLateralSteelStrip; // 13-may-05 | |
224 | Float_t fPassiveScintThick; // 13-may-05 | |
225 | Float_t fPhiModuleSize; // Phi -> X | |
226 | Float_t fEtaModuleSize; // Eta -> Y | |
227 | Float_t fPhiTileSize; // | |
228 | Float_t fEtaTileSize; // | |
229 | Float_t fLongModuleSize; // | |
230 | Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction | |
d87bd045 | 231 | Int_t fNPHIdiv; // number phi divizion of module |
232 | Int_t fNETAdiv; // number eta divizion of module | |
1963b290 | 233 | // |
234 | Int_t fNCells; // number of cells in calo | |
235 | Int_t fNCellsInSupMod; // number cell in super module | |
c63c3c5d | 236 | Int_t fNCellsInTower; // number cell in tower(or module) |
f0377b23 | 237 | //TRU parameters |
238 | Int_t fNTRU ; //! Number of TRUs per module | |
239 | Int_t fNTRUEta ; //! Number of cell rows per Z in one TRU | |
240 | Int_t fNTRUPhi ; //! Number of cell rows per Phi in one TRU | |
1963b290 | 241 | // TRD1 options - 30-sep-04 |
242 | Float_t fTrd1Angle; // angle in x-z plane (in degree) | |
243 | Float_t f2Trd1Dx2; // 2*dx2 for TRD1 | |
905263da | 244 | Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction |
d87bd045 | 245 | Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05 |
1963b290 | 246 | // TRD2 options - 27-jan-07 |
247 | Float_t fTrd2AngleY; // angle in y-z plane (in degree) | |
248 | Float_t f2Trd2Dy2; // 2*dy2 for TRD2 | |
249 | Float_t fEmptySpace; // 2mm om fred drawing | |
d87bd045 | 250 | // Super module as TUBS |
1963b290 | 251 | Float_t fTubsR; // radius of tubs |
252 | Float_t fTubsTurnAngle; // turn angle of tubs in degree | |
e52475ed | 253 | // Local Coordinates of SM |
254 | TArrayD *fEtaCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM) | |
255 | TArrayD *fXCentersOfCells; // size fNEta*fNETAdiv (for TRD1 only) ( x in SM) | |
256 | TArrayD *fPhiCentersOfCells; // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM) | |
257 | // Move from AliEMCALv0 - Feb 19, 2006 | |
258 | TList *fShishKebabTrd1Modules; //! list of modules | |
259 | // Local coordinates of SM for TRD1 | |
260 | Float_t fParSM[3]; // SM sizes as in GEANT (TRD1) | |
261 | TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager; | |
c63c3c5d | 262 | // Service routine |
263 | static int ParseString(const TString &topt, TObjArray &Opt); | |
1963b290 | 264 | |
c63c3c5d | 265 | ClassDef(AliEMCALGeometry,10) // EMCAL geometry class |
266 | }; | |
2012850d | 267 | |
268 | #endif // AliEMCALGEOMETRY_H |