Using root templates (Federico)
[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)
ca8f5bd0 14
fdebddeb 15//#include <assert.h>
2012850d 16
17// --- ROOT system ---
d64c959b 18class TString ;
395c7ba2 19class TObjArray ;
20class TVector3 ;
cad18b88 21class TParticle ;
2012850d 22
2012850d 23// --- AliRoot header files ---
24
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 ;
e8d02863 44 virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}
a97849a9 45 virtual void GetGlobal(const AliRecPoint *, TVector3 &) const {}
9e5d2067 46 virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
ab37d09c 47
48 Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
a97849a9 49 // General
50 Bool_t IsInitialized(void) const { return fgInit ; }
fdebddeb 51 // Return EMCA geometrical parameters
a97849a9 52 // geometry
09884213 53 Float_t GetAlFrontThickness() const { return fAlFrontThick;}
54 Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
55 Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
56 Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
57 Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
58 Float_t GetIPDistance() const { return fIPDistance;}
59 Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }
60 Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
61 Float_t GetShellThickness() const { return fShellThickness ; }
62 Float_t GetZLength() const { return fZLength ; }
63 Float_t GetGap2Active() const {return fGap2Active ; }
64 Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
a97849a9 65 ((Float_t)fNZ);}
09884213 66 Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
a97849a9 67 ((Float_t)fNPhi);}
09884213 68 Int_t GetNECLayers() const {return fNECLayers ;}
69 Int_t GetNZ() const {return fNZ ;}
70 Int_t GetNEta() const {return fNZ ;}
71 Int_t GetNPhi() const {return fNPhi ;}
72 Int_t GetNTowers() const {return fNPhi * fNZ ;}
73 Float_t GetECPbRadThick()const {return fECPbRadThickness;}
74 Float_t GetECScintThick() const {return fECScintThick;}
75 Float_t GetSampling() const {return fSampling ; }
76 Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
1963b290 77
78 Int_t GetNumberOfSuperModules() {return fNumberOfSuperModules;}
905263da 79 Float_t GetfPhiGapForSuperModules() {return fPhiGapForSM;}
1963b290 80 Float_t GetPhiModuleSize() const {return fPhiModuleSize;}
81 Float_t GetEtaModuleSize() const {return fEtaModuleSize;}
82 Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
83 Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
84 Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
85 Float_t GetPhiTileSize() const {return fPhiTileSize;}
86 Float_t GetEtaTileSize() const {return fEtaTileSize;}
87 Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;}
88 Int_t GetNPHIdiv() const {return fNPHIdiv ;}
89 Int_t GetNETAdiv() const {return fNETAdiv ;}
90 Int_t GetNCells() const {return fNCells;}
91 Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
92 Float_t GetLongModuleSize() const {return fLongModuleSize;}
93
94 Float_t GetTrd1Angle() const {return fTrd1Angle;}
95 Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;}
96 Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
97 Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;}
98 Float_t GetTubsR() const {return fTubsR;}
99 Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}
100 // Dabs id <-> indexes; Shish-kebab case
eb0b1051 101 Int_t GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta);
102 Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nTower, Int_t &nIphi, Int_t &nIeta);
103 void GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t &iphit, Int_t &ietat);
104 void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
d87bd045 105 Int_t &iphi, Int_t &ieta);
1963b290 106 Bool_t CheckAbsCellId(Int_t ind); // replace the IsInECA
107 // ---
fdebddeb 108 Float_t AngleFromEta(Float_t eta){ // returns theta in radians for a given pseudorapidity
a97849a9 109 return 2.0*TMath::ATan(TMath::Exp(-eta));
110 }
111 Float_t ZFromEtaR(Float_t r,Float_t eta){ // returns z in for a given
112 // pseudorapidity and r=sqrt(x*x+y*y).
113 return r/TMath::Tan(AngleFromEta(eta));
114 }
395c7ba2 115 Int_t TowerIndex(Int_t iz,Int_t iphi) const; // returns tower index
fdebddeb 116 // returns tower indexs iz, iphi.
117 void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi) const;
118 // for a given tower index it returns eta and phi of center of that tower.
a97849a9 119 void EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const;
fdebddeb 120 // returns x, y, and z (cm) on the inner surface of a given EMCAL Cell specified by relid.
a97849a9 121 void XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const;
09884213 122 void XYZFromIndex(Int_t absid, TVector3 &v) const;
fdebddeb 123 // for a given eta and phi in the EMCAL it returns the tower index.
a97849a9 124 Int_t TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const;
fdebddeb 125 // for a given eta and phi in the EMCAL it returns the pretower index.
395c7ba2 126 void PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const ;
09884213 127 void PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const ;
a97849a9 128 Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const;
fdebddeb 129 void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
130 void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }
131 void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }
395c7ba2 132
a97849a9 133protected:
134 AliEMCALGeometry(const Text_t* name, const Text_t* title="") :
135 AliGeometry(name, title) {// ctor only for internal usage (singleton)
136 Init();
137 };
eb0b1051 138 AliEMCALGeometry() :
139 AliGeometry() {// ctor only for internal usage (singleton)
140 Init();
141 };
fdebddeb 142 void Init(void); // initializes the parameters of EMCAL
a97849a9 143
144private:
fdebddeb 145 static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton
146 static Bool_t fgInit; // Tells if geometry has been succesfully set up.
147 Float_t fAlFrontThick; // Thickness of the front Al face of the support box
395c7ba2 148
fdebddeb 149 Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators
150 Float_t fECScintThick; // cm, Thickness of the scintillators
151 Int_t fNECLayers; // number of scintillator layers
395c7ba2 152
fdebddeb 153 Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
154 Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
155 Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
156 Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
a97849a9 157
fdebddeb 158 // Geometry Parameters
159 Float_t fEnvelop[3]; // the GEANT TUB for the detector
160 Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
161 Float_t fShellThickness; // Total thickness in (x,y) direction
162 Float_t fZLength; // Total length in z direction
163 Float_t fGap2Active; // Gap between the envelop and the active material
164 Int_t fNZ; // Number of Towers in the Z direction
1963b290 165 Int_t fNPhi; // Number of Towers in the PHI direction
fdebddeb 166 Float_t fSampling; // Sampling factor
1963b290 167
168 // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
169 Int_t fNumberOfSuperModules; // default is 12 = 6 * 2
170 Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04
171 Float_t fFrontSteelStrip; // 13-may-05
172 Float_t fLateralSteelStrip; // 13-may-05
173 Float_t fPassiveScintThick; // 13-may-05
174 Float_t fPhiModuleSize; // Phi -> X
175 Float_t fEtaModuleSize; // Eta -> Y
176 Float_t fPhiTileSize; //
177 Float_t fEtaTileSize; //
178 Float_t fLongModuleSize; //
179 Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction
d87bd045 180 Int_t fNPHIdiv; // number phi divizion of module
181 Int_t fNETAdiv; // number eta divizion of module
1963b290 182 //
183 Int_t fNCells; // number of cells in calo
184 Int_t fNCellsInSupMod; // number cell in super module
185 Int_t fNCellsInTower; // number cell in tower
186 // TRD1 options - 30-sep-04
187 Float_t fTrd1Angle; // angle in x-z plane (in degree)
188 Float_t f2Trd1Dx2; // 2*dx2 for TRD1
905263da 189 Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction
d87bd045 190 Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05
1963b290 191 // TRD2 options - 27-jan-07
192 Float_t fTrd2AngleY; // angle in y-z plane (in degree)
193 Float_t f2Trd2Dy2; // 2*dy2 for TRD2
194 Float_t fEmptySpace; // 2mm om fred drawing
d87bd045 195 // Super module as TUBS
1963b290 196 Float_t fTubsR; // radius of tubs
197 Float_t fTubsTurnAngle; // turn angle of tubs in degree
198
199 ClassDef(AliEMCALGeometry,9) // EMCAL geometry class
ca8f5bd0 200 };
2012850d 201
202#endif // AliEMCALGEOMETRY_H