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New treatment of the cluster coordinate (Christoph)
[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;
e52475ed 20class TVector3;
21class TGeoMatrix;
cad18b88 22class TParticle ;
9946f2fe 23class AliEMCALGeometry;
e52475ed 24class AliEMCALShishKebabTrd1Module;
25class AliEMCALRecPoint;
f0377b23 26class TClonesArray ;
2012850d 27
2012850d 28// --- AliRoot header files ---
090026bf 29#include <TArrayD.h>
30#include <TMath.h>
31
2012850d 32#include "AliGeometry.h"
33
2012850d 34class AliEMCALGeometry : public AliGeometry {
a97849a9 35public:
0a4cb131 36 AliEMCALGeometry(const AliEMCALGeometry& geom);
d434833b 37 virtual ~AliEMCALGeometry(void);
38
a97849a9 39 static AliEMCALGeometry * GetInstance(const Text_t* name,
40 const Text_t* title="") ;
89557f6d 41 static AliEMCALGeometry * GetInstance();
9cff4509 42 AliEMCALGeometry & operator = (const AliEMCALGeometry & /*rvalue*/) {
a97849a9 43 // assignement operator requested by coding convention but not needed
fdebddeb 44 Fatal("operator =", "not implemented");
9cff4509 45 return *this;
a97849a9 46 };
89557f6d 47 static Char_t* GetDefaulGeometryName() {return fgDefaultGeometryName;}
1d46d1f6 48 void PrintGeometry(); //*MENU*
49 void PrintCellIndexes(Int_t absId=0, int pri=0, char *tit=""); //*MENU*
50 virtual void Browse(TBrowser* b);
51 virtual Bool_t IsFolder() const;
52
03ecfe88 53 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 54
e52475ed 55 // Have to call GetTransformationForSM() before calculation global charachteristics
14e75ea7 56 void GetGlobal(const Double_t *loc, Double_t *glob, int ind) const;
57 void GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const;
58 void GetGlobal(Int_t absId, Double_t glob[3]) const;
21cf2b24 59 void GetGlobal(Int_t absId, TVector3 &vglob) const;
1d46d1f6 60 // for a given tower index absId returns eta and phi of gravity center of tower.
61 void EtaPhiFromIndex(Int_t absId, Double_t &eta, Double_t &phi) const;
62 void EtaPhiFromIndex(Int_t absId, Float_t &eta, Float_t &phi) const;
63 //
64 Bool_t GetPhiBoundariesOfSM (Int_t nSupMod, Double_t &phiMin, Double_t &phiMax) const;
65 Bool_t GetPhiBoundariesOfSMGap(Int_t nPhiSec, Double_t &phiMin, Double_t &phiMax) const;
66 Bool_t SuperModuleNumberFromEtaPhi(Double_t eta, Double_t phi, Int_t &nSupMod) const;
67
68 Bool_t GetAbsCellIdFromEtaPhi(Double_t eta,Double_t phi, Int_t &absId) const;
e52475ed 69
70 // virtual void GetGlobal(const AliEMCALRecPoint *rp, TVector3 &vglob) const;
71
72 virtual void GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const;
73 // Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;
f0377b23 74
e8d02863 75 virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrixF &) const {}
e52475ed 76
9e5d2067 77 virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
ab37d09c 78
79 Bool_t IsInEMCAL(Double_t x, Double_t y, Double_t z) const;
a97849a9 80 // General
81 Bool_t IsInitialized(void) const { return fgInit ; }
c63c3c5d 82 // Return EMCAL geometrical parameters
a97849a9 83 // geometry
e52475ed 84 Char_t* GetNameOfEMCALEnvelope() const {return "XEN1";}
09884213 85 Float_t GetAlFrontThickness() const { return fAlFrontThick;}
86 Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
87 Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
88 Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
89 Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
90 Float_t GetIPDistance() const { return fIPDistance;}
91 Float_t GetIP2ECASection() const { return ( GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ; }
92 Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
93 Float_t GetShellThickness() const { return fShellThickness ; }
94 Float_t GetZLength() const { return fZLength ; }
c63c3c5d 95 Float_t GetGap2Active() const {return fGap2Active ;}
09884213 96 Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
a97849a9 97 ((Float_t)fNZ);}
09884213 98 Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
a97849a9 99 ((Float_t)fNPhi);}
09884213 100 Int_t GetNECLayers() const {return fNECLayers ;}
101 Int_t GetNZ() const {return fNZ ;}
102 Int_t GetNEta() const {return fNZ ;}
103 Int_t GetNPhi() const {return fNPhi ;}
104 Int_t GetNTowers() const {return fNPhi * fNZ ;}
105 Float_t GetECPbRadThick()const {return fECPbRadThickness;}
106 Float_t GetECScintThick() const {return fECScintThick;}
107 Float_t GetSampling() const {return fSampling ; }
dc7da436 108 // Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
1963b290 109
e52475ed 110 Int_t GetNumberOfSuperModules() const {return fNumberOfSuperModules;}
111 Float_t GetfPhiGapForSuperModules() const {return fPhiGapForSM;}
1963b290 112 Float_t GetPhiModuleSize() const {return fPhiModuleSize;}
113 Float_t GetEtaModuleSize() const {return fEtaModuleSize;}
114 Float_t GetFrontSteelStrip() const {return fFrontSteelStrip;}
115 Float_t GetLateralSteelStrip() const {return fLateralSteelStrip;}
116 Float_t GetPassiveScintThick() const {return fPassiveScintThick;}
117 Float_t GetPhiTileSize() const {return fPhiTileSize;}
118 Float_t GetEtaTileSize() const {return fEtaTileSize;}
119 Int_t GetNPhiSuperModule() const {return fNPhiSuperModule;}
120 Int_t GetNPHIdiv() const {return fNPHIdiv ;}
121 Int_t GetNETAdiv() const {return fNETAdiv ;}
122 Int_t GetNCells() const {return fNCells;}
f0377b23 123
9946f2fe 124 Int_t GetNTRU() const {return fNTRUEta*fNTRUPhi ; }
f0377b23 125 Int_t GetNTRUEta() const {return fNTRUEta ; }
126 Int_t GetNTRUPhi() const {return fNTRUPhi ; }
127
9946f2fe 128 Int_t GetNCellsInTRU() const {return fNCellsInTRUEta*fNCellsInTRUPhi; }
129 Int_t GetNCellsInTRUEta() const {return fNCellsInTRUEta ; }
130 Int_t GetNCellsInTRUPhi() const {return fNCellsInTRUPhi ; }
131
1963b290 132 Float_t GetSteelFrontThickness() const { return fSteelFrontThick;}
133 Float_t GetLongModuleSize() const {return fLongModuleSize;}
134
135 Float_t GetTrd1Angle() const {return fTrd1Angle;}
136 Float_t Get2Trd1Dx2() const {return f2Trd1Dx2;}
137 Float_t GetTrd2AngleY()const {return fTrd2AngleY;}
138 Float_t Get2Trd2Dy2() const {return f2Trd2Dy2;}
139 Float_t GetTubsR() const {return fTubsR;}
140 Float_t GetTubsTurnAngle() const {return fTubsTurnAngle;}
e52475ed 141
142 // TRD1 staff
143 void CreateListOfTrd1Modules();
144 TList *GetShishKebabTrd1Modules() const {return fShishKebabTrd1Modules;}
1ae500a2 145 AliEMCALShishKebabTrd1Module *GetShishKebabModule(Int_t neta) const;
fc575e27 146
e52475ed 147 void GetTransformationForSM();
148 Float_t *GetSuperModulesPars() {return fParSM;}
149 TGeoMatrix *GetTransformationForSM(int i) {
25b033cf 150 if(i>=0 && i<GetNumberOfSuperModules()) return fMatrixOfSM[i];
e52475ed 151 else return 0;}
dc7da436 152 // May 31, 2006; ALICE numbering scheme:
153 // see ALICE-INT-2003-038: ALICE Coordinate System and Software Numbering Convention
154 // All indexes are stared from zero now.
2bb3725c 155 //
156 // abs id <-> indexes; Shish-kebab case, only TRD1 now.
157 // EMCAL -> Super Module -> module -> tower(or cell) - logic tree of EMCAL
158 //
159 //** Usual name of variable - Dec 18,2006 **
160 // nSupMod - index of super module (SM)
161 // nModule - index of module in SM
162 // nIphi - phi index of tower(cell) in module
163 // nIeta - eta index of tower(cell) in module
164 //
165 // Inside SM
166 // iphim - phi index of module in SM
167 // ietam - eta index of module in SM
168 //
169 // iphi - phi index of tower(cell) in SM
170 // ieta - eta index of tower(cell) in SM
171 Int_t GetAbsCellId(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta) const;
dc7da436 172 Bool_t CheckAbsCellId(Int_t absId) const;
2bb3725c 173 Bool_t GetCellIndex(Int_t absId, Int_t &nSupMod, Int_t &nModule, Int_t &nIphi, Int_t &nIeta) const;
dc7da436 174 // Local coordinate of Super Module
2bb3725c 175 void GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t &iphim, Int_t &ietam) const;
176 void GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta,
e52475ed 177 Int_t &iphi, Int_t &ieta) const ;
1d46d1f6 178 Int_t GetSuperModuleNumber(Int_t absId) const;
179 Int_t GetNumberOfModuleInPhiDirection(Int_t nSupMod) const
180 {
181 // inline function
182 if(fKey110DEG == 1 && nSupMod>=10) return fNPhi/2;
183 else return fNPhi;
184 }
185 // From cell indexes to abs cell id
186 void GetModuleIndexesFromCellIndexesInSModule(Int_t nSupMod, Int_t iphi, Int_t ieta,
2bb3725c 187 Int_t &iphim, Int_t &ietam, Int_t &nModule) const;
1d46d1f6 188 Int_t GetAbsCellIdFromCellIndexes(Int_t nSupMod, Int_t iphi, Int_t ieta) const;
14e75ea7 189 // Methods for AliEMCALRecPoint - Feb 19, 2006
190 Bool_t RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const;
191 Bool_t RelPosCellInSModule(Int_t absId, Double_t loc[3]) const;
192 Bool_t RelPosCellInSModule(Int_t absId, TVector3 &vloc) const;
1ae500a2 193 // Methods for AliEMCALRecPoint with taking into account energy of rec.point - Jul 30. 2007
194 Bool_t RelPosCellInSModule(Int_t absId,Double_t distEff,Double_t &xr,Double_t &yr,Double_t & zr) const;
195 Bool_t RelPosCellInSModule(Int_t absId,Int_t maxAbsId,Double_t distEff,Double_t &xr,Double_t &yr,Double_t &zr) const;
196
1963b290 197 // ---
e52475ed 198 Float_t AngleFromEta(Float_t eta) const { // returns theta in radians for a given pseudorapidity
a97849a9 199 return 2.0*TMath::ATan(TMath::Exp(-eta));
200 }
e52475ed 201 Float_t ZFromEtaR(Float_t r,Float_t eta) const { // returns z in for a given
a97849a9 202 // pseudorapidity and r=sqrt(x*x+y*y).
203 return r/TMath::Tan(AngleFromEta(eta));
204 }
fdebddeb 205 void SetNZ(Int_t nz) { fNZ= nz ; printf("SetNZ: Number of modules in Z set to %d", fNZ) ; }
206 void SetNPhi(Int_t nphi) { fNPhi= nphi ; printf("SetNPhi: Number of modules in Phi set to %d", fNPhi) ; }
f0377b23 207
f0377b23 208 void SetNTRUEta(Int_t ntru) {fNTRUEta = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Etaset to %d", fNTRUEta) ;}
209 void SetNTRUPhi(Int_t ntru) {fNTRUPhi = ntru; ; printf("SetNTRU: Number of TRUs per SuperModule in Phi set to %d", fNTRUPhi) ;}
210
fdebddeb 211 void SetSampling(Float_t samp) { fSampling = samp; printf("SetSampling: Sampling factor set to %f", fSampling) ; }
395c7ba2 212
4c431bcc 213 Int_t GetNCellsInSupMod() const {return fNCellsInSupMod;}
2bb3725c 214 Int_t GetNCellsInModule() const {return fNCellsInModule; }
1d46d1f6 215 Int_t GetKey110DEG() const {return fKey110DEG;}
89557f6d 216 Int_t GetILOSS() const {return fILOSS;}
217 Int_t GetIHADR() const {return fIHADR;}
4c431bcc 218
dc7da436 219 AliEMCALGeometry(); // default ctor only for internal usage (singleton)
d434833b 220
a97849a9 221protected:
dc7da436 222 AliEMCALGeometry(const Text_t* name, const Text_t* title);// ctor only for internal usage (singleton)
d434833b 223
fdebddeb 224 void Init(void); // initializes the parameters of EMCAL
25b033cf 225 void CheckAdditionalOptions(); //
226 void DefineSamplingFraction(); // Jun 5, 2006
a97849a9 227
228private:
fdebddeb 229 static AliEMCALGeometry * fgGeom; // pointer to the unique instance of the singleton
89557f6d 230 static Bool_t fgInit; // Tells if geometry has been succesfully set up.
231 static Char_t* fgDefaultGeometryName; // Default name of geometry
fc575e27 232
233 TString fGeoName; //geometry name
d434833b 234
c63c3c5d 235 TObjArray *fArrayOpts; //! array of geometry options
236
237 Float_t fAlFrontThick; // Thickness of the front Al face of the support box
fdebddeb 238 Float_t fECPbRadThickness; // cm, Thickness of the Pb radiators
239 Float_t fECScintThick; // cm, Thickness of the scintillators
240 Int_t fNECLayers; // number of scintillator layers
395c7ba2 241
fdebddeb 242 Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
243 Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
244 Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
245 Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
a97849a9 246
fdebddeb 247 // Geometry Parameters
248 Float_t fEnvelop[3]; // the GEANT TUB for the detector
249 Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
250 Float_t fShellThickness; // Total thickness in (x,y) direction
251 Float_t fZLength; // Total length in z direction
252 Float_t fGap2Active; // Gap between the envelop and the active material
253 Int_t fNZ; // Number of Towers in the Z direction
1963b290 254 Int_t fNPhi; // Number of Towers in the PHI direction
fdebddeb 255 Float_t fSampling; // Sampling factor
1963b290 256
257 // Shish-kebab option - 23-aug-04 by PAI; COMPACT, TWIST, TRD1 and TRD2
258 Int_t fNumberOfSuperModules; // default is 12 = 6 * 2
259 Float_t fSteelFrontThick; // Thickness of the front stell face of the support box - 9-sep-04
260 Float_t fFrontSteelStrip; // 13-may-05
261 Float_t fLateralSteelStrip; // 13-may-05
262 Float_t fPassiveScintThick; // 13-may-05
263 Float_t fPhiModuleSize; // Phi -> X
264 Float_t fEtaModuleSize; // Eta -> Y
fc575e27 265 Float_t fPhiTileSize; // Size of phi tile
266 Float_t fEtaTileSize; // Size of eta tile
267 Float_t fLongModuleSize; // Size of long module
1963b290 268 Int_t fNPhiSuperModule; // 6 - number supermodule in phi direction
d87bd045 269 Int_t fNPHIdiv; // number phi divizion of module
270 Int_t fNETAdiv; // number eta divizion of module
1963b290 271 //
272 Int_t fNCells; // number of cells in calo
273 Int_t fNCellsInSupMod; // number cell in super module
2bb3725c 274 Int_t fNCellsInModule; // number cell in module)
f0377b23 275 //TRU parameters
9946f2fe 276 Int_t fNTRUEta ; // Number of TRUs per module in eta
277 Int_t fNTRUPhi ; // Number of TRUs per module in phi
278 Int_t fNCellsInTRUEta; // Number of cells per TRU in eta
279 Int_t fNCellsInTRUPhi; // Number of cells per TRU in phi
280
1963b290 281 // TRD1 options - 30-sep-04
282 Float_t fTrd1Angle; // angle in x-z plane (in degree)
283 Float_t f2Trd1Dx2; // 2*dx2 for TRD1
905263da 284 Float_t fPhiGapForSM; // Gap betweeen supermodules in phi direction
d87bd045 285 Int_t fKey110DEG; // for calculation abs cell id; 19-oct-05
1d46d1f6 286 TArrayD fPhiBoundariesOfSM; // phi boundaries of SM in rad; size is fNumberOfSuperModules;
287 TArrayD fPhiCentersOfSM; // phi of centers of SMl size is fNumberOfSuperModules/2
288 Float_t fEtaMaxOfTRD1; // max eta in case of TRD1 geometry (see AliEMCALShishKebabTrd1Module)
1963b290 289 // TRD2 options - 27-jan-07
290 Float_t fTrd2AngleY; // angle in y-z plane (in degree)
291 Float_t f2Trd2Dy2; // 2*dy2 for TRD2
292 Float_t fEmptySpace; // 2mm om fred drawing
d87bd045 293 // Super module as TUBS
1963b290 294 Float_t fTubsR; // radius of tubs
295 Float_t fTubsTurnAngle; // turn angle of tubs in degree
e52475ed 296 // Local Coordinates of SM
1d46d1f6 297 TArrayD fCentersOfCellsEtaDir; // size fNEta*fNETAdiv (for TRD1 only) (eta or z in SM, in cm)
298 TArrayD fCentersOfCellsXDir; // size fNEta*fNETAdiv (for TRD1 only) ( x in SM, in cm)
299 TArrayD fCentersOfCellsPhiDir; // size fNPhi*fNPHIdiv (for TRD1 only) (phi or y in SM, in cm)
300 //
301 TArrayD fEtaCentersOfCells; // [fNEta*fNETAdiv*fNPhi*fNPHIdiv], positive direction (eta>0); eta depend from phi position;
302 TArrayD fPhiCentersOfCells; // [fNPhi*fNPHIdiv] from center of SM (-10. < phi < +10.)
e52475ed 303 // Move from AliEMCALv0 - Feb 19, 2006
304 TList *fShishKebabTrd1Modules; //! list of modules
305 // Local coordinates of SM for TRD1
306 Float_t fParSM[3]; // SM sizes as in GEANT (TRD1)
307 TGeoMatrix* fMatrixOfSM[12]; //![fNumberOfSuperModules]; get from gGeoManager;
1963b290 308
89557f6d 309 char *fAdditionalOpts[6]; //! some additional options for the geometry type and name
310 int fNAdditionalOpts; //! size of additional options parameter
311
312 // Options for Geant (MIP business) - will call in AliEMCAL
313 Int_t fILOSS;
314 Int_t fIHADR;
fc575e27 315
9946f2fe 316 ClassDef(AliEMCALGeometry, 12) // EMCAL geometry class
317};
2012850d 318
319#endif // AliEMCALGEOMETRY_H