New Trigger class, TRU mapping method included in Geometry
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALGeometry.h
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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 18class TString ;
c63c3c5d 19class TObjArray;
395c7ba2 20class TVector3 ;
cad18b88 21class TParticle ;
f0377b23 22class TClonesArray ;
2012850d 23
2012850d 24// --- AliRoot header files ---
2012850d 25#include "AliGeometry.h"
26
2012850d 27class AliEMCALGeometry : public AliGeometry {
a97849a9 28public:
39200c71 29 AliEMCALGeometry(const AliEMCALGeometry& geom):AliGeometry(geom) {
a97849a9 30 // cpy ctor requested by Coding Convention but not yet needed
d64c959b 31 Fatal("Cpy ctor", "Not implemented");
a97849a9 32 };
33 virtual ~AliEMCALGeometry(void) ;
34 static AliEMCALGeometry * GetInstance(const Text_t* name,
35 const Text_t* title="") ;
36 static AliEMCALGeometry * GetInstance() ;
9c0a4862 37 AliEMCALGeometry & operator = (const AliEMCALGeometry & /*rvalue*/) const {
a97849a9 38 // assignement operator requested by coding convention but not needed
fdebddeb 39 Fatal("operator =", "not implemented");
a97849a9 40 return *(GetInstance()) ;
41 };
395c7ba2 42
09884213 43 Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;
f0377b23 44
45 TClonesArray * FillTRU(const TClonesArray * digits) ;
46
e8d02863 47 virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}
a97849a9 48 virtual void GetGlobal(const AliRecPoint *, TVector3 &) const {}
9e5d2067 49 virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
ab37d09c 50
51 Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
a97849a9 52 // General
53 Bool_t IsInitialized(void) const { return fgInit ; }
c63c3c5d 54 // Return EMCAL geometrical parameters
a97849a9 55 // geometry
09884213 56 Float_t GetAlFrontThickness() const { return fAlFrontThick;}
57 Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
58 Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
59 Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
60 Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
61 Float_t GetIPDistance() const { return fIPDistance;}
62 Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }
63 Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
64 Float_t GetShellThickness() const { return fShellThickness ; }
65 Float_t GetZLength() const { return fZLength ; }
c63c3c5d 66 Float_t GetGap2Active() const {return fGap2Active ;}
09884213 67 Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
a97849a9 68 ((Float_t)fNZ);}
09884213 69 Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
a97849a9 70 ((Float_t)fNPhi);}
09884213 71 Int_t GetNECLayers() const {return fNECLayers ;}
72 Int_t GetNZ() const {return fNZ ;}
73 Int_t GetNEta() const {return fNZ ;}
74 Int_t GetNPhi() const {return fNPhi ;}
75 Int_t GetNTowers() const {return fNPhi * fNZ ;}
76 Float_t GetECPbRadThick()const {return fECPbRadThickness;}
77 Float_t GetECScintThick() const {return fECScintThick;}
78 Float_t GetSampling() const {return fSampling ; }
79 Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
1963b290 80
81 Int_t GetNumberOfSuperModules() {return fNumberOfSuperModules;}
905263da 82 Float_t GetfPhiGapForSuperModules() {return fPhiGapForSM;}
1963b290 83 Float_t GetPhiModuleSize() const {return fPhiModuleSize;}
84 Float_t GetEtaModuleSize() const {return fEtaModuleSize;}
85 Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
86 Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
87 Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
88 Float_t GetPhiTileSize() const {return fPhiTileSize;}
89 Float_t GetEtaTileSize() const {return fEtaTileSize;}
90 Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;}
91 Int_t GetNPHIdiv() const {return fNPHIdiv ;}
92 Int_t GetNETAdiv() const {return fNETAdiv ;}
93 Int_t GetNCells() const {return fNCells;}
f0377b23 94
95 Int_t GetNTRU() const {return fNTRU ; }
96 Int_t GetNTRUEta() const {return fNTRUEta ; }
97 Int_t GetNTRUPhi() const {return fNTRUPhi ; }
98
1963b290 99 Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
100 Float_t GetLongModuleSize() const {return fLongModuleSize;}
101
102 Float_t GetTrd1Angle() const {return fTrd1Angle;}
103 Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;}
104 Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
105 Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;}
106 Float_t GetTubsR() const {return fTubsR;}
107 Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}
108 // Dabs id <-> indexes; Shish-kebab case
eb0b1051 109 Int_t GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta);
110 Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta);
111 void GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphit, Int_t &ietat);
112 void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
d87bd045 113 Int_t &iphi, Int_t &ieta);
1963b290 114 Bool_t CheckAbsCellId(Int_t ind); // replace the IsInECA
115 // ---
fdebddeb 116 Float_t AngleFromEta(Float_t eta){ // returns theta in radians for a given pseudorapidity
a97849a9 117 return 2.0*TMath::ATan(TMath::Exp(-eta));
118 }
119 Float_t ZFromEtaR(Float_t r,Float_t eta){ // returns z in for a given
120 // pseudorapidity and r=sqrt(x*x+y*y).
121 return r/TMath::Tan(AngleFromEta(eta));
122 }
c63c3c5d 123 // These methods are obsolete but use in AliEMCALRecPoint - keep it now
395c7ba2 124 Int_t TowerIndex(Int_t iz,Int_t iphi) const; // returns tower index
fdebddeb 125 // returns tower indexs iz, iphi.
126 void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi) const;
127 // for a given tower index it returns eta and phi of center of that tower.
a97849a9 128 void EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const;
fdebddeb 129 // returns x, y, and z (cm) on the inner surface of a given EMCAL Cell specified by relid.
a97849a9 130 void XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const;
09884213 131 void XYZFromIndex(Int_t absid, TVector3 &v) const;
fdebddeb 132 // for a given eta and phi in the EMCAL it returns the tower index.
a97849a9 133 Int_t TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const;
fdebddeb 134 // for a given eta and phi in the EMCAL it returns the pretower index.
395c7ba2 135 void PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const ;
09884213 136 void PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const ;
a97849a9 137 Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const;
c63c3c5d 138 // --
fdebddeb 139 void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
140 void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }
f0377b23 141
142 void SetNTRU(Int_t ntru) {fNTRU = ntru; printf("SetNTRU: Number of TRUs per SuperModule set to %d", fNTRU) ; }
143 void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;}
144 void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;}
145
fdebddeb 146 void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }
395c7ba2 147
a97849a9 148protected:
149 AliEMCALGeometry(const Text_t* name, const Text_t* title="") :
150 AliGeometry(name, title) {// ctor only for internal usage (singleton)
151 Init();
152 };
eb0b1051 153 AliEMCALGeometry() :
154 AliGeometry() {// ctor only for internal usage (singleton)
155 Init();
156 };
fdebddeb 157 void Init(void); // initializes the parameters of EMCAL
c63c3c5d 158 void CheckAditionalOptions(); //
a97849a9 159
160private:
fdebddeb 161 static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton
162 static Bool_t fgInit; // Tells if geometry has been succesfully set up.
c63c3c5d 163 TObjArray *fArrayOpts; //! array of geometry options
164
165 Float_t fAlFrontThick; // Thickness of the front Al face of the support box
fdebddeb 166 Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators
167 Float_t fECScintThick; // cm, Thickness of the scintillators
168 Int_t fNECLayers; // number of scintillator layers
395c7ba2 169
fdebddeb 170 Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
171 Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
172 Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
173 Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
a97849a9 174
fdebddeb 175 // Geometry Parameters
176 Float_t fEnvelop[3]; // the GEANT TUB for the detector
177 Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
178 Float_t fShellThickness; // Total thickness in (x,y) direction
179 Float_t fZLength; // Total length in z direction
180 Float_t fGap2Active; // Gap between the envelop and the active material
181 Int_t fNZ; // Number of Towers in the Z direction
1963b290 182 Int_t fNPhi; // Number of Towers in the PHI direction
fdebddeb 183 Float_t fSampling; // Sampling factor
1963b290 184
185 // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
186 Int_t fNumberOfSuperModules; // default is 12 = 6 * 2
187 Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04
188 Float_t fFrontSteelStrip; // 13-may-05
189 Float_t fLateralSteelStrip; // 13-may-05
190 Float_t fPassiveScintThick; // 13-may-05
191 Float_t fPhiModuleSize; // Phi -> X
192 Float_t fEtaModuleSize; // Eta -> Y
193 Float_t fPhiTileSize; //
194 Float_t fEtaTileSize; //
195 Float_t fLongModuleSize; //
196 Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction
d87bd045 197 Int_t fNPHIdiv; // number phi divizion of module
198 Int_t fNETAdiv; // number eta divizion of module
1963b290 199 //
200 Int_t fNCells; // number of cells in calo
201 Int_t fNCellsInSupMod; // number cell in super module
c63c3c5d 202 Int_t fNCellsInTower; // number cell in tower(or module)
f0377b23 203 //TRU parameters
204 Int_t fNTRU ; //! Number of TRUs per module
205 Int_t fNTRUEta ; //! Number of cell rows per Z in one TRU
206 Int_t fNTRUPhi ; //! Number of cell rows per Phi in one TRU
1963b290 207 // TRD1 options - 30-sep-04
208 Float_t fTrd1Angle; // angle in x-z plane (in degree)
209 Float_t f2Trd1Dx2; // 2*dx2 for TRD1
905263da 210 Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction
d87bd045 211 Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05
1963b290 212 // TRD2 options - 27-jan-07
213 Float_t fTrd2AngleY; // angle in y-z plane (in degree)
214 Float_t f2Trd2Dy2; // 2*dy2 for TRD2
215 Float_t fEmptySpace; // 2mm om fred drawing
d87bd045 216 // Super module as TUBS
1963b290 217 Float_t fTubsR; // radius of tubs
218 Float_t fTubsTurnAngle; // turn angle of tubs in degree
c63c3c5d 219 // Service routine
220 static int ParseString(const TString &topt, TObjArray &Opt);
1963b290 221
c63c3c5d 222 ClassDef(AliEMCALGeometry,10) // EMCAL geometry class
223 };
2012850d 224
225#endif // AliEMCALGEOMETRY_H