1 /**************************************************************************
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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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14 **************************************************************************/
16 /* $Id: AliEMCALGeoUtils.cxx 25590 2008-05-06 07:09:11Z prsnko $ */
18 //_________________________________________________________________________
19 // Geometry class for EMCAL : singleton
21 // -- Author: Magali Estienne (magali.estienne@subatech.in2p3.fr)
25 // You can create the AliEMCALGeoUtils object independently from anything.
26 // You have to use just the correct name of geometry. If name is empty string the
27 // default name of geometry will be used.
29 // AliEMCALGeoUtils* geom = new AliEMCALGeoUtils("EMCAL_COMPLETE","EMCAL");
30 // TGeoManager::Import("geometry.root");
32 // MC: If you work with MC data you have to get geometry the next way:
33 // == =============================
34 // !!!!!!!!! This part has to be modified
35 // AliRunLoader *rl = AliRunLoader::GetRunLoader();
36 // AliEMCALEMCGeometry *geom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
37 // TGeoManager::Import("geometry.root");
40 // --- ROOT system ---
42 #include <TParticle.h>
43 #include <TGeoManager.h>
44 #include <TGeoMatrix.h>
48 // --- Standard library ---
49 //#include <Riostream.h>
51 // --- AliRoot header files ---
52 #include "AliEMCALGeoUtils.h"
53 #include "AliEMCALShishKebabTrd1Module.h"
55 ClassImp(AliEMCALGeoUtils)
57 //____________________________________________________________________________
58 AliEMCALGeoUtils::AliEMCALGeoUtils():
59 fEMCGeometry(0x0),fGeoName(0),
60 fKey110DEG(0),fNCellsInSupMod(0),fNETAdiv(0),fNPHIdiv(0),
61 fNCellsInModule(0),fPhiBoundariesOfSM(0x0),fPhiCentersOfSM(0x0),
62 fPhiCentersOfCells(0x0),fCentersOfCellsEtaDir(0x0),
63 fCentersOfCellsPhiDir(0x0),fEtaCentersOfCells(0x0),
64 fNCells(0),fNPhi(0),fCentersOfCellsXDir(0x0),fArm1EtaMin(0),
65 fArm1EtaMax(0),fArm1PhiMin(0),fArm1PhiMax(0),fEtaMaxOfTRD1(0),
66 fShishKebabTrd1Modules(0),fParSM(0x0),fPhiModuleSize(0.),
67 fEtaModuleSize(0.),fPhiTileSize(0.),fEtaTileSize(0.),fNZ(0),
68 fIPDistance(0.),fLongModuleSize(0.),fShellThickness(0.),
69 fZLength(0.),fSampling(0.)
72 // must be kept public for root persistency purposes, but should never be called by the outside world
76 for(Int_t i=0;i<12;i++)fkSModuleMatrix[i]=0 ;
80 //____________________________________________________________________________
81 AliEMCALGeoUtils::AliEMCALGeoUtils(const AliEMCALGeoUtils & geo)
83 fEMCGeometry(geo.fEMCGeometry),fGeoName(geo.fGeoName),
84 fKey110DEG(geo.fKey110DEG),fNCellsInSupMod(geo.fNCellsInSupMod),fNETAdiv(geo.fNETAdiv),fNPHIdiv(geo.fNPHIdiv),
85 fNCellsInModule(geo.fNCellsInModule),fPhiBoundariesOfSM(geo.fPhiBoundariesOfSM),fPhiCentersOfSM(geo.fPhiCentersOfSM),
86 fPhiCentersOfCells(geo.fPhiCentersOfCells),fCentersOfCellsEtaDir(geo.fCentersOfCellsEtaDir),
87 fCentersOfCellsPhiDir(geo.fCentersOfCellsPhiDir),fEtaCentersOfCells(geo.fEtaCentersOfCells),
88 fNCells(geo.fNCells),fNPhi(geo.fNPhi),fCentersOfCellsXDir(geo.fCentersOfCellsXDir),fArm1EtaMin(geo.fArm1EtaMin),
89 fArm1EtaMax(geo.fArm1EtaMax),fArm1PhiMin(geo.fArm1PhiMin),fArm1PhiMax(geo.fArm1PhiMax),fEtaMaxOfTRD1(geo.fEtaMaxOfTRD1),
90 fShishKebabTrd1Modules(geo.fShishKebabTrd1Modules),fParSM(geo.fParSM),fPhiModuleSize(geo.fPhiModuleSize),
91 fEtaModuleSize(geo.fEtaModuleSize),fPhiTileSize(geo.fPhiTileSize),fEtaTileSize(geo.fEtaTileSize),fNZ(geo.fNZ),
92 fIPDistance(geo.fIPDistance),fLongModuleSize(geo.fLongModuleSize),fShellThickness(geo.fShellThickness),
93 fZLength(geo.fZLength),fSampling(geo.fSampling)
95 fEnvelop[0] = geo.fEnvelop[0];
96 fEnvelop[1] = geo.fEnvelop[1];
97 fEnvelop[2] = geo.fEnvelop[2];
98 for(Int_t i=0;i<12;i++)fkSModuleMatrix[i]=0 ;
101 //____________________________________________________________________________
102 AliEMCALGeoUtils::AliEMCALGeoUtils(const Text_t* name, const Text_t* title)
103 : TNamed(name, title),
104 fEMCGeometry(0x0),fGeoName(0),
105 fKey110DEG(0),fNCellsInSupMod(0),fNETAdiv(0),fNPHIdiv(0),
106 fNCellsInModule(0),fPhiBoundariesOfSM(0x0),fPhiCentersOfSM(0x0),
107 fPhiCentersOfCells(0x0),fCentersOfCellsEtaDir(0x0),
108 fCentersOfCellsPhiDir(0x0),fEtaCentersOfCells(0x0),
109 fNCells(0),fNPhi(0),fCentersOfCellsXDir(0x0),fArm1EtaMin(0),
110 fArm1EtaMax(0),fArm1PhiMin(0),fArm1PhiMax(0),fEtaMaxOfTRD1(0),
111 fShishKebabTrd1Modules(0),fParSM(0x0),fPhiModuleSize(0.),
112 fEtaModuleSize(0.),fPhiTileSize(0.),fEtaTileSize(0.),fNZ(0),
113 fIPDistance(0.),fLongModuleSize(0.),fShellThickness(0.),
114 fZLength(0.),fSampling(0.)
117 // ctor only for normal usage
119 fEMCGeometry = new AliEMCALEMCGeometry(name,title);
121 fGeoName = fEMCGeometry->GetGeoName();
122 fKey110DEG = fEMCGeometry->GetKey110DEG();
123 fNCellsInSupMod = fEMCGeometry->GetNCellsInSupMod();
124 fNETAdiv = fEMCGeometry->GetNETAdiv();
125 fNPHIdiv = fEMCGeometry->GetNPHIdiv();
126 fNCellsInModule = fNPHIdiv*fNETAdiv;
128 Int_t nSMod = fEMCGeometry->GetNumberOfSuperModules();
129 fPhiBoundariesOfSM.Set(nSMod);
130 fPhiCentersOfSM.Set(nSMod/2);
131 for(Int_t sm=0; sm<nSMod; sm++) {
133 fEMCGeometry->GetPhiBoundariesOfSM(sm,fPhiBoundariesOfSM[2*i],fPhiBoundariesOfSM[2*i+1]);
136 Double_t phiMin = 0.;
137 Double_t phiMax = 0.;
138 for(Int_t sm=0; sm<nSMod; sm++) {
139 fEMCGeometry->GetPhiBoundariesOfSM(sm,phiMin,phiMax);
141 fPhiCentersOfSM[i] = fEMCGeometry->GetPhiCenterOfSM(sm);
143 fNCells = fEMCGeometry->GetNCells();
144 fNPhi = fEMCGeometry->GetNPhi();
145 fEnvelop[0] = fEMCGeometry->GetEnvelop(0);
146 fEnvelop[1] = fEMCGeometry->GetEnvelop(1);
147 fEnvelop[2] = fEMCGeometry->GetEnvelop(2);
148 fArm1EtaMin = fEMCGeometry->GetArm1EtaMin();
149 fArm1EtaMax = fEMCGeometry->GetArm1EtaMax();
150 fArm1PhiMin = fEMCGeometry->GetArm1PhiMin();
151 fArm1PhiMax = fEMCGeometry->GetArm1PhiMax();
152 fShellThickness = fEMCGeometry->GetShellThickness();
153 fZLength = fEMCGeometry->GetZLength();
154 fSampling = fEMCGeometry->GetSampling();
155 fParSM = fEMCGeometry->GetSuperModulesPars();
156 fEtaModuleSize = fEMCGeometry->GetEtaModuleSize();
157 fPhiModuleSize = fEMCGeometry->GetPhiModuleSize();
158 fEtaTileSize = fEMCGeometry->GetEtaTileSize();
159 fPhiTileSize = fEMCGeometry->GetPhiTileSize();
160 fNZ = fEMCGeometry->GetNZ();
161 fIPDistance = fEMCGeometry->GetIPDistance();
162 fLongModuleSize = fEMCGeometry->GetLongModuleSize();
164 CreateListOfTrd1Modules();
166 for(Int_t smod=0; smod < fEMCGeometry->GetNumberOfSuperModules(); smod++)
167 fkSModuleMatrix[smod]=0 ;
169 if (AliDebugLevel()>=2) {
170 fEMCGeometry->Print();
176 //____________________________________________________________________________
177 AliEMCALGeoUtils & AliEMCALGeoUtils::operator = (const AliEMCALGeoUtils & /*rvalue*/) {
179 Fatal("assignment operator", "not implemented") ;
183 //____________________________________________________________________________
184 AliEMCALGeoUtils::~AliEMCALGeoUtils(void)
187 for(Int_t smod = 0 ; smod < fEMCGeometry->GetNumberOfSuperModules(); smod++){
188 if(fkSModuleMatrix[smod])
189 delete fkSModuleMatrix[smod] ;
190 fkSModuleMatrix[smod]=0 ;
193 delete fEMCGeometry; fEMCGeometry = 0 ;
198 //________________________________________________________________________________________________
199 void AliEMCALGeoUtils::Browse(TBrowser* b)
202 if(fShishKebabTrd1Modules) b->Add(fShishKebabTrd1Modules);
205 //________________________________________________________________________________________________
206 Bool_t AliEMCALGeoUtils::IsFolder() const
208 //Check if fShishKebabTrd1Modules is in folder
209 if(fShishKebabTrd1Modules) return kTRUE;
213 //________________________________________________________________________________________________
214 void AliEMCALGeoUtils::GetGlobal(const Double_t *loc, Double_t *glob, int ind) const
216 // Figure out the global numbering
217 // of a given supermodule from the
218 // local numbering and the transformation
219 // matrix stored by the geometry manager (allows for misaligned
222 const TGeoHMatrix* m = GetMatrixForSuperModule(ind);
224 m->LocalToMaster(loc, glob);
226 AliFatal("Geo matrixes are not loaded \n") ;
230 //________________________________________________________________________________________________
231 void AliEMCALGeoUtils::GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const
233 //Figure out the global numbering
234 //of a given supermodule from the
235 //local numbering given a 3-vector location
237 static Double_t tglob[3], tloc[3];
239 GetGlobal(tloc, tglob, ind);
240 vglob.SetXYZ(tglob[0], tglob[1], tglob[2]);
243 //________________________________________________________________________________________________
244 void AliEMCALGeoUtils::GetGlobal(Int_t absId , double glob[3]) const
246 // Alice numbering scheme - Jun 03, 2006
247 static Int_t nSupMod=0, nModule=-1, nIphi=-1, nIeta=-1;
248 static double loc[3];
250 glob[0]=glob[1]=glob[2]=0.0; // bad case
251 if(RelPosCellInSModule(absId, loc)) {
252 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
254 const TGeoHMatrix* m = GetMatrixForSuperModule(nSupMod);
256 m->LocalToMaster(loc, glob);
258 AliFatal("Geo matrixes are not loaded \n") ;
263 //___________________________________________________________________
264 void AliEMCALGeoUtils::GetGlobal(Int_t absId , TVector3 &vglob) const
266 // Alice numbering scheme - Jun 03, 2006
267 static Double_t glob[3];
269 GetGlobal(absId, glob);
270 vglob.SetXYZ(glob[0], glob[1], glob[2]);
275 //______________________________________________________________________
276 void AliEMCALGeoUtils::PrintCellIndexes(Int_t absId, int pri, const char *tit) const
279 Int_t nSupMod=0, nModule=-1, nIphi=-1, nIeta=-1;
280 Int_t iphi=-1, ieta=-1;
283 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
284 printf(" %s | absId : %i -> nSupMod %i nModule %i nIphi %i nIeta %i \n", tit, absId, nSupMod, nModule, nIphi, nIeta);
286 GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
287 printf(" local SM index : iphi %i : ieta %i \n", iphi,ieta);
288 GetGlobal(absId, vg);
289 printf(" vglob : mag %7.2f : perp %7.2f : z %7.2f : eta %6.4f : phi %6.4f(%6.2f) \n",
290 vg.Mag(), vg.Perp(), vg.Z(), vg.Eta(), vg.Phi(), vg.Phi()*TMath::RadToDeg());
294 //________________________________________________________________________________________________
295 void AliEMCALGeoUtils::EtaPhiFromIndex(Int_t absId,Double_t &eta,Double_t &phi) const
297 // Nov 16, 2006- float to double
298 // version for TRD1 only
299 static TVector3 vglob;
300 GetGlobal(absId, vglob);
305 //________________________________________________________________________________________________
306 void AliEMCALGeoUtils::EtaPhiFromIndex(Int_t absId,Float_t &eta,Float_t &phi) const
308 // Nov 16,2006 - should be discard in future
309 static TVector3 vglob;
310 GetGlobal(absId, vglob);
311 eta = float(vglob.Eta());
312 phi = float(vglob.Phi());
316 // == Shish-kebab cases ==
318 //________________________________________________________________________________________________
319 Int_t AliEMCALGeoUtils::GetAbsCellId(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta) const
323 // 13-oct-05; 110 degree case
324 // May 31, 2006; ALICE numbering scheme:
325 // 0 <= nSupMod < fNumberOfSuperModules
326 // 0 <= nModule < fNPHI * fNZ ( fNPHI * fNZ/2 for fKey110DEG=1)
327 // 0 <= nIphi < fNPHIdiv
328 // 0 <= nIeta < fNETAdiv
329 // 0 <= absid < fNCells
330 static Int_t id=0; // have to change from 0 to fNCells-1
331 if(fKey110DEG == 1 && nSupMod >= 10) { // 110 degree case; last two supermodules
332 id = fNCellsInSupMod*10 + (fNCellsInSupMod/2)*(nSupMod-10);
334 id = fNCellsInSupMod*nSupMod;
336 id += fNCellsInModule *nModule;
337 id += fNPHIdiv *nIphi;
339 if(id<0 || id >= fNCells) {
340 // printf(" wrong numerations !!\n");
341 // printf(" id %6i(will be force to -1)\n", id);
342 // printf(" fNCells %6i\n", fNCells);
343 // printf(" nSupMod %6i\n", nSupMod);
344 // printf(" nModule %6i\n", nModule);
345 // printf(" nIphi %6i\n", nIphi);
346 // printf(" nIeta %6i\n", nIeta);
347 id = -TMath::Abs(id); // if negative something wrong
352 //________________________________________________________________________________________________
353 void AliEMCALGeoUtils::GetModuleIndexesFromCellIndexesInSModule(Int_t nSupMod, Int_t iphi, Int_t ieta,
354 Int_t &iphim, Int_t &ietam, Int_t &nModule) const
356 // Transition from cell indexes (ieta,iphi) to module indexes (ietam,iphim, nModule)
358 nphi = GetNumberOfModuleInPhiDirection(nSupMod);
360 ietam = ieta/fNETAdiv;
361 iphim = iphi/fNPHIdiv;
362 nModule = ietam * nphi + iphim;
365 //________________________________________________________________________________________________
366 Int_t AliEMCALGeoUtils::GetAbsCellIdFromCellIndexes(Int_t nSupMod, Int_t iphi, Int_t ieta) const
368 // Transition from super module number(nSupMod) and cell indexes (ieta,iphi) to absId
369 static Int_t ietam=-1, iphim=-1, nModule=-1;
370 static Int_t nIeta=-1, nIphi=-1; // cell indexes in module
372 GetModuleIndexesFromCellIndexesInSModule(nSupMod, iphi, ieta, ietam, iphim, nModule);
374 nIeta = ieta%fNETAdiv;
375 nIeta = fNETAdiv - 1 - nIeta;
376 nIphi = iphi%fNPHIdiv;
378 return GetAbsCellId(nSupMod, nModule, nIphi, nIeta);
381 //________________________________________________________________________________________________
382 Bool_t AliEMCALGeoUtils::SuperModuleNumberFromEtaPhi(Double_t eta, Double_t phi, Int_t &nSupMod) const
384 // Return false if phi belongs a phi cracks between SM
388 if(TMath::Abs(eta) > fEtaMaxOfTRD1) return kFALSE;
390 phi = TVector2::Phi_0_2pi(phi); // move phi to (0,2pi) boundaries
393 //Check if it is not the complete geometry
394 if (i >= fEMCGeometry->GetNumberOfSuperModules()/2) return kFALSE;
396 if(phi>=fPhiBoundariesOfSM[2*i] && phi<=fPhiBoundariesOfSM[2*i+1]) {
398 if(eta < 0.0) nSupMod++;
399 AliDebug(1,Form("eta %f phi %f(%5.2f) : nSupMod %i : #bound %i", eta,phi,phi*TMath::RadToDeg(), nSupMod,i));
407 //________________________________________________________________________________________________
408 Bool_t AliEMCALGeoUtils::GetAbsCellIdFromEtaPhi(Double_t eta, Double_t phi, Int_t &absId) const
411 // stay here - phi problem as usual
412 static Int_t nSupMod=0, i=0, ieta=-1, iphi=-1, etaShift=0, nphi=0;
413 static Double_t absEta=0.0, d=0.0, dmin=0.0, phiLoc=0.;
414 absId = nSupMod = - 1;
415 if(SuperModuleNumberFromEtaPhi(eta, phi, nSupMod)) {
417 phi = TVector2::Phi_0_2pi(phi);
418 phiLoc = phi - fPhiCentersOfSM[nSupMod/2];
419 nphi = fPhiCentersOfCells.GetSize();
421 phiLoc = phi - 190.*TMath::DegToRad();
425 dmin = TMath::Abs(fPhiCentersOfCells[0]-phiLoc);
427 for(i=1; i<nphi; i++) {
428 d = TMath::Abs(fPhiCentersOfCells[i] - phiLoc);
433 // printf(" i %i : d %f : dmin %f : fPhiCentersOfCells[i] %f \n", i, d, dmin, fPhiCentersOfCells[i]);
435 // odd SM are turned with respect of even SM - reverse indexes
436 AliDebug(2,Form(" iphi %i : dmin %f (phi %f, phiLoc %f ) ", iphi, dmin, phi, phiLoc));
438 absEta = TMath::Abs(eta);
439 etaShift = iphi*fCentersOfCellsEtaDir.GetSize();
440 dmin = TMath::Abs(fEtaCentersOfCells[etaShift]-absEta);
442 for(i=1; i<fCentersOfCellsEtaDir.GetSize(); i++) {
443 d = TMath::Abs(fEtaCentersOfCells[i+etaShift] - absEta);
449 AliDebug(2,Form(" ieta %i : dmin %f (eta=%f) : nSupMod %i ", ieta, dmin, eta, nSupMod));
451 if(eta<0) iphi = (nphi-1) - iphi;
453 //patch for mapping following alice convention
455 ieta = (fCentersOfCellsEtaDir.GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
458 iphi = (fCentersOfCellsPhiDir.GetSize()-1) -iphi;// 23-iphi, revert the ordering on C side in order to keep convention.
460 iphi = (fCentersOfCellsPhiDir.GetSize()/2-1)-iphi;// 11-iphi, revert the ordering on C side in order to keep convention.
463 absId = GetAbsCellIdFromCellIndexes(nSupMod, iphi, ieta);
470 //________________________________________________________________________________________________
471 Bool_t AliEMCALGeoUtils::CheckAbsCellId(Int_t absId) const
473 // May 31, 2006; only trd1 now
474 if(absId<0 || absId >= fNCells) return kFALSE;
478 //________________________________________________________________________________________________
479 Bool_t AliEMCALGeoUtils::GetCellIndex(Int_t absId,Int_t &nSupMod,Int_t &nModule,Int_t &nIphi,Int_t &nIeta) const
481 // 21-sep-04; 19-oct-05;
482 // May 31, 2006; ALICE numbering scheme:
485 // absId - cell is as in Geant, 0<= absId < fNCells;
487 // nSupMod - super module(SM) number, 0<= nSupMod < fNumberOfSuperModules;
488 // nModule - module number in SM, 0<= nModule < fNCellsInSupMod/fNCellsInSupMod or(/2) for tow last SM (10th and 11th);
489 // nIphi - cell number in phi driection inside module; 0<= nIphi < fNPHIdiv;
490 // nIeta - cell number in eta driection inside module; 0<= nIeta < fNETAdiv;
492 static Int_t tmp=0, sm10=0;
493 if(!CheckAbsCellId(absId)) return kFALSE;
495 sm10 = fNCellsInSupMod*10;
496 if(fKey110DEG == 1 && absId >= sm10) { // 110 degree case; last two supermodules
497 nSupMod = (absId-sm10) / (fNCellsInSupMod/2) + 10;
498 tmp = (absId-sm10) % (fNCellsInSupMod/2);
500 nSupMod = absId / fNCellsInSupMod;
501 tmp = absId % fNCellsInSupMod;
504 nModule = tmp / fNCellsInModule;
505 tmp = tmp % fNCellsInModule;
506 nIphi = tmp / fNPHIdiv;
507 nIeta = tmp % fNPHIdiv;
512 //________________________________________________________________________________________________
513 Int_t AliEMCALGeoUtils::GetSuperModuleNumber(Int_t absId) const
515 // Return the number of the supermodule given the absolute
516 // ALICE numbering id
518 static Int_t nSupMod=0, nModule=-1, nIphi=-1, nIeta=-1;
519 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
523 //________________________________________________________________________________________________
524 void AliEMCALGeoUtils::GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, int &iphim, int &ietam) const
526 // added nSupMod; - 19-oct-05 !
527 // Alice numbering scheme - Jun 01,2006
528 // ietam, iphi - indexes of module in two dimensional grid of SM
529 // ietam - have to change from 0 to fNZ-1
530 // iphim - have to change from 0 to nphi-1 (fNPhi-1 or fNPhi/2-1)
531 static Int_t nphi = 0;
533 if(fKey110DEG == 1 && nSupMod>=10) nphi = fNPhi/2;
536 ietam = nModule/nphi;
537 iphim = nModule%nphi;
540 //________________________________________________________________________________________________
541 void AliEMCALGeoUtils::GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta,
542 int &iphi, int &ieta) const
545 // Added nSupMod; Nov 25, 05
546 // Alice numbering scheme - Jun 01,2006
548 // nSupMod - super module(SM) number, 0<= nSupMod < fNumberOfSuperModules;
549 // nModule - module number in SM, 0<= nModule < fNCellsInSupMod/fNCellsInSupMod or(/2) for tow last SM (10th and 11th);
550 // nIphi - cell number in phi driection inside module; 0<= nIphi < fNPHIdiv;
551 // nIeta - cell number in eta driection inside module; 0<= nIeta < fNETAdiv;
554 // ieta, iphi - indexes of cell(tower) in two dimensional grid of SM
555 // ieta - have to change from 0 to (fNZ*fNETAdiv-1)
556 // iphi - have to change from 0 to (fNPhi*fNPHIdiv-1 or fNPhi*fNPHIdiv/2-1)
558 static Int_t iphim=-1, ietam=-1;
560 GetModulePhiEtaIndexInSModule(nSupMod,nModule, iphim, ietam);
561 // ieta = ietam*fNETAdiv + (1-nIeta); // x(module) = -z(SM)
562 ieta = ietam*fNETAdiv + (fNETAdiv - 1 - nIeta); // x(module) = -z(SM)
563 iphi = iphim*fNPHIdiv + nIphi; // y(module) = y(SM)
566 AliDebug(1,Form(" nSupMod %i nModule %i nIphi %i nIeta %i => ieta %i iphi %i\n",
567 nSupMod, nModule, nIphi, nIeta, ieta, iphi));
571 // Methods for AliEMCALRecPoint - Feb 19, 2006
572 //________________________________________________________________________________________________
573 Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const
575 // Look to see what the relative
576 // position inside a given cell is
578 // Alice numbering scheme - Jun 08, 2006
580 // absId - cell is as in Geant, 0<= absId < fNCells;
582 // xr,yr,zr - x,y,z coordinates of cell with absId inside SM
584 // Shift index taking into account the difference between standard SM
585 // and SM of half size in phi direction
586 const Int_t kphiIndexShift = fCentersOfCellsPhiDir.GetSize()/4; // Nov 22, 2006; was 6 for cas 2X2
587 static Int_t nSupMod=0, nModule=-1, nIphi=-1, nIeta=-1, iphi=-1, ieta=-1;
588 if(!CheckAbsCellId(absId)) return kFALSE;
590 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
591 GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi, ieta);
593 //Get eta position. Careful with ALICE conventions (increase index decrease eta)
596 ieta2 = (fCentersOfCellsEtaDir.GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
597 zr = fCentersOfCellsEtaDir.At(ieta2);
598 xr = fCentersOfCellsXDir.At(ieta2);
600 //Get phi position. Careful with ALICE conventions (increase index increase phi)
604 iphi2 = (fCentersOfCellsPhiDir.GetSize()-1)-iphi;// 23-iphi, revert the ordering on C side in order to keep convention.
605 yr = fCentersOfCellsPhiDir.At(iphi2);
609 iphi2 = (fCentersOfCellsPhiDir.GetSize()/2-1)-iphi;// 11-iphi, revert the ordering on C side in order to keep convention.
610 yr = fCentersOfCellsPhiDir.At(iphi2 + kphiIndexShift);
612 AliDebug(1,Form("absId %i nSupMod %i iphi %i ieta %i xr %f yr %f zr %f ",absId,nSupMod,iphi,ieta,xr,yr,zr));
617 //________________________________________________________________________________________________
618 Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, Double_t loc[3]) const
620 // Look to see what the relative
621 // position inside a given cell is
622 // for a recpoint. // Alice numbering scheme - Jun 03, 2006
623 loc[0] = loc[1] = loc[2]=0.0;
624 if(RelPosCellInSModule(absId, loc[0],loc[1],loc[2])) {
630 //________________________________________________________________________________________________
631 Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, TVector3 &vloc) const
633 // Look to see what the relative
634 // position inside a given cell is
636 // Alice numbering scheme - Jun 03, 2006
637 static Double_t loc[3];
638 if(RelPosCellInSModule(absId,loc)) {
639 vloc.SetXYZ(loc[0], loc[1], loc[2]);
647 //________________________________________________________________________________________________
648 void AliEMCALGeoUtils::CreateListOfTrd1Modules()
650 // Generate the list of Trd1 modules
651 // which will make up the EMCAL
654 AliDebug(2,Form(" AliEMCALGeometry::CreateListOfTrd1Modules() started "));
656 AliEMCALShishKebabTrd1Module *mod=0, *mTmp=0; // current module
657 if(fShishKebabTrd1Modules == 0) {
658 fShishKebabTrd1Modules = new TList;
659 fShishKebabTrd1Modules->SetName("ListOfTRD1");
660 for(int iz=0; iz< fEMCGeometry->GetNZ(); iz++) {
662 // mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,this);
663 mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,fEMCGeometry);
665 mTmp = new AliEMCALShishKebabTrd1Module(*mod);
668 fShishKebabTrd1Modules->Add(mod);
671 AliDebug(2,Form(" Already exits : "));
673 mod = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(fShishKebabTrd1Modules->GetSize()-1);
674 fEtaMaxOfTRD1 = mod->GetMaxEtaOfModule(0);
676 AliDebug(2,Form(" fShishKebabTrd1Modules has %i modules : max eta %5.4f \n",
677 fShishKebabTrd1Modules->GetSize(),fEtaMaxOfTRD1));
679 // Jun 01, 2006 - ALICE numbering scheme
680 // define grid for cells in eta(z) and x directions in local coordinates system of SM
681 // Works just for 2x2 case only -- ?? start here
684 // Define grid for cells in phi(y) direction in local coordinates system of SM
685 // as for 2X2 as for 3X3 - Nov 8,2006
687 AliDebug(2,Form(" Cells grid in phi directions : size %i\n", fCentersOfCellsPhiDir.GetSize()));
688 Int_t ind=0; // this is phi index
689 Int_t ieta=0, nModule=0, iphiTemp;
690 Double_t xr=0., zr=0., theta=0., phi=0., eta=0., r=0., x=0.,y=0.;
692 Double_t ytCenterModule=0.0, ytCenterCell=0.0;
694 fCentersOfCellsPhiDir.Set(fNPhi*fNPHIdiv);
695 fPhiCentersOfCells.Set(fNPhi*fNPHIdiv);
697 Double_t r0 = fIPDistance + fLongModuleSize/2.;
698 for(Int_t it=0; it<fNPhi; it++) { // cycle on modules
699 ytCenterModule = -fParSM[1] + fPhiModuleSize*(2*it+1)/2; // center of module
700 for(Int_t ic=0; ic<fNPHIdiv; ic++) { // cycle on cells in module
702 ytCenterCell = ytCenterModule + fPhiTileSize *(2*ic-1)/2.;
703 } else if(fNPHIdiv==3){
704 ytCenterCell = ytCenterModule + fPhiTileSize *(ic-1);
705 } else if(fNPHIdiv==1){
706 ytCenterCell = ytCenterModule;
708 fCentersOfCellsPhiDir.AddAt(ytCenterCell,ind);
709 // Define grid on phi direction
710 // Grid is not the same for different eta bin;
711 // Effect is small but is still here
712 phi = TMath::ATan2(ytCenterCell, r0);
713 fPhiCentersOfCells.AddAt(phi, ind);
715 AliDebug(2,Form(" ind %2.2i : y %8.3f ", ind, fCentersOfCellsPhiDir.At(ind)));
720 fCentersOfCellsEtaDir.Set(fNZ *fNETAdiv);
721 fCentersOfCellsXDir.Set(fNZ *fNETAdiv);
722 fEtaCentersOfCells.Set(fNZ *fNETAdiv * fNPhi*fNPHIdiv);
723 AliDebug(2,Form(" Cells grid in eta directions : size %i\n", fCentersOfCellsEtaDir.GetSize()));
724 for(Int_t it=0; it<fNZ; it++) {
725 AliEMCALShishKebabTrd1Module *trd1 = GetShishKebabModule(it);
727 for(Int_t ic=0; ic<fNETAdiv; ic++) {
729 trd1->GetCenterOfCellInLocalCoordinateofSM(ic, xr, zr); // case of 2X2
730 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
732 trd1->GetCenterOfCellInLocalCoordinateofSM3X3(ic, xr, zr); // case of 3X3
733 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
735 trd1->GetCenterOfCellInLocalCoordinateofSM1X1(xr, zr); // case of 1X1
736 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
738 fCentersOfCellsXDir.AddAt(float(xr) - fParSM[0],ieta);
739 fCentersOfCellsEtaDir.AddAt(float(zr) - fParSM[2],ieta);
740 // Define grid on eta direction for each bin in phi
741 for(int iphi=0; iphi<fCentersOfCellsPhiDir.GetSize(); iphi++) {
742 x = xr + trd1->GetRadius();
743 y = fCentersOfCellsPhiDir[iphi];
744 r = TMath::Sqrt(x*x + y*y + zr*zr);
745 theta = TMath::ACos(zr/r);
746 eta = AliEMCALShishKebabTrd1Module::ThetaToEta(theta);
747 // ind = ieta*fCentersOfCellsPhiDir.GetSize() + iphi;
748 ind = iphi*fCentersOfCellsEtaDir.GetSize() + ieta;
749 fEtaCentersOfCells.AddAt(eta, ind);
751 //printf(" ieta %i : xr + trd1->GetRadius() %f : zr %f : eta %f \n", ieta, xr + trd1->GetRadius(), zr, eta);
754 for(Int_t i=0; i<fCentersOfCellsEtaDir.GetSize(); i++) {
755 AliDebug(2,Form(" ind %2.2i : z %8.3f : x %8.3f", i+1,
756 fCentersOfCellsEtaDir.At(i),fCentersOfCellsXDir.At(i)));
762 //________________________________________________________________________________________________
763 AliEMCALShishKebabTrd1Module* AliEMCALGeoUtils::GetShishKebabModule(Int_t neta) const
765 //This method was too long to be
766 //included in the header file - the
767 //rule checker complained about it's
768 //length, so we move it here. It returns the
769 //shishkebabmodule at a given eta index point.
771 static AliEMCALShishKebabTrd1Module* trd1=0;
772 if(fShishKebabTrd1Modules && neta>=0 && neta<fShishKebabTrd1Modules->GetSize()) {
773 trd1 = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(neta);
778 //___________________________________________________________________
779 void AliEMCALGeoUtils::PrintGeometry()
781 //Print information from geometry
782 fEMCGeometry->PrintGeometry();
784 printf(" fShishKebabTrd1Modules has %i modules : max eta %5.4f \n",
785 fShishKebabTrd1Modules->GetSize(),fEtaMaxOfTRD1);
787 printf("\n Cells grid in eta directions : size %i\n", fCentersOfCellsEtaDir.GetSize());
788 for(Int_t i=0; i<fCentersOfCellsEtaDir.GetSize(); i++) {
789 printf(" ind %2.2i : z %8.3f : x %8.3f \n", i,
790 fCentersOfCellsEtaDir.At(i),fCentersOfCellsXDir.At(i));
791 int ind=0; // Nov 21,2006
792 for(Int_t iphi=0; iphi<fCentersOfCellsPhiDir.GetSize(); iphi++) {
793 ind = iphi*fCentersOfCellsEtaDir.GetSize() + i;
794 printf("%6.4f ", fEtaCentersOfCells[ind]);
795 if((iphi+1)%12 == 0) printf("\n");
801 printf("\n Cells grid in phi directions : size %i\n", fCentersOfCellsPhiDir.GetSize());
802 for(Int_t i=0; i<fCentersOfCellsPhiDir.GetSize(); i++) {
803 double phi=fPhiCentersOfCells.At(i);
804 printf(" ind %2.2i : y %8.3f : phi %7.5f(%6.2f) \n", i, fCentersOfCellsPhiDir.At(i),
805 phi, phi*TMath::RadToDeg());
810 //____________________________________________________________________________
811 Bool_t AliEMCALGeoUtils::Impact(const TParticle * particle) const
813 // Tells if a particle enters EMCAL
816 TVector3 vtx(particle->Vx(),particle->Vy(),particle->Vz());
817 TVector3 vimpact(0,0,0);
818 ImpactOnEmcal(vtx,particle->Theta(),particle->Phi(),absID,vimpact);
823 //____________________________________________________________________________
824 void AliEMCALGeoUtils::ImpactOnEmcal(TVector3 vtx, Double_t theta, Double_t phi,
825 Int_t & absId, TVector3 & vimpact) const
827 // calculates the impact coordinates on EMCAL (centre of a tower/not on EMCAL surface)
828 // of a neutral particle
829 // emitted in the vertex vtx[3] with direction theta and phi in the ALICE global coordinate system
831 TVector3 p(TMath::Sin(theta)*TMath::Cos(phi),TMath::Sin(theta)*TMath::Sin(phi),TMath::Cos(theta)) ;
833 vimpact.SetXYZ(0,0,0);
835 if(phi==0 || theta==0) return;
838 Double_t factor = (fIPDistance-vtx[1])/p[1];
839 direction = vtx + factor*p;
841 //from particle direction -> tower hitted
842 GetAbsCellIdFromEtaPhi(direction.Eta(),direction.Phi(),absId);
844 //tower absID hitted -> tower/module plane (evaluated at the center of the tower)
845 Int_t nSupMod=0, nModule=-1, nIphi=-1, nIeta=-1;
846 Double_t loc[3],loc2[3],loc3[3];
847 Double_t glob[3]={},glob2[3]={},glob3[3]={};
849 if(!RelPosCellInSModule(absId,loc)) return;
851 //loc is cell center of tower
852 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
854 //look at 2 neighbours-s cell using nIphi={0,1} and nIeta={0,1}
855 Int_t nIphi2=-1,nIeta2=-1,absId2=-1,absId3=-1;
856 if(nIeta==0) nIeta2=1;
858 absId2=GetAbsCellId(nSupMod,nModule,nIphi,nIeta2);
859 if(nIphi==0) nIphi2=1;
861 absId3=GetAbsCellId(nSupMod,nModule,nIphi2,nIeta);
863 //2nd point on emcal cell plane
864 if(!RelPosCellInSModule(absId2,loc2)) return;
866 //3rd point on emcal cell plane
867 if(!RelPosCellInSModule(absId3,loc3)) return;
870 const TGeoHMatrix* m = GetMatrixForSuperModule(nSupMod);
872 m->LocalToMaster(loc, glob);
873 m->LocalToMaster(loc2, glob2);
874 m->LocalToMaster(loc3, glob3);
876 AliFatal("Geo matrixes are not loaded \n") ;
879 //Equation of Plane from glob,glob2,glob3 (Ax+By+Cz+D=0)
880 Double_t a = glob[1]*(glob2[2]-glob3[2]) + glob2[1]*(glob3[2]-glob[2]) + glob3[1]*(glob[2]-glob2[2]);
881 Double_t b = glob[2]*(glob2[0]-glob3[0]) + glob2[2]*(glob3[0]-glob[0]) + glob3[2]*(glob[0]-glob2[0]);
882 Double_t c = glob[0]*(glob2[1]-glob3[1]) + glob2[0]*(glob3[1]-glob[1]) + glob3[0]*(glob[1]-glob2[1]);
883 Double_t d = glob[0]*(glob2[1]*glob3[2]-glob3[1]*glob2[2]) + glob2[0]*(glob3[1]*glob[2]-glob[1]*glob3[2]) + glob3[0]*(glob[1]*glob2[2]-glob2[1]*glob[2]);
886 //shift equation of plane from tower/module center to surface along vector (A,B,C) normal to tower/module plane
887 Double_t dist = fLongModuleSize/2.;
888 Double_t norm = TMath::Sqrt(a*a+b*b+c*c);
889 Double_t glob4[3]={};
891 TVector3 point(glob[0],glob[1],glob[2]);
892 if(point.Dot(dir)<0) dist*=-1;
893 glob4[0]=glob[0]-dist*a/norm;
894 glob4[1]=glob[1]-dist*b/norm;
895 glob4[2]=glob[2]-dist*c/norm;
896 d = glob4[0]*a + glob4[1]*b + glob4[2]*c ;
899 //Line determination (2 points for equation of line : vtx and direction)
900 //impact between line (particle) and plane (module/tower plane)
901 Double_t den = a*(vtx(0)-direction(0)) + b*(vtx(1)-direction(1)) + c*(vtx(2)-direction(2));
903 printf("ImpactOnEmcal() No solution :\n");
907 Double_t length = a*vtx(0)+b*vtx(1)+c*vtx(2)+d;
910 vimpact.SetXYZ(vtx(0)+length*(direction(0)-vtx(0)),vtx(1)+length*(direction(1)-vtx(1)),vtx(2)+length*(direction(2)-vtx(2)));
912 //shift vimpact from tower/module surface to center along vector (A,B,C) normal to tower/module plane
913 vimpact.SetXYZ(vimpact(0)+dist*a/norm,vimpact(1)+dist*b/norm,vimpact(2)+dist*c/norm);
918 //_____________________________________________________________________________
919 Bool_t AliEMCALGeoUtils::IsInEMCAL(Double_t x, Double_t y, Double_t z) const {
920 // Checks whether point is inside the EMCal volume, used in AliEMCALv*.cxx
922 // Code uses cylindrical approximation made of inner radius (for speed)
924 // Points behind EMCAl, i.e. R > outer radius, but eta, phi in acceptance
925 // are considered to inside
927 Double_t r=sqrt(x*x+y*y);
929 if ( r > fEnvelop[0] ) {
930 Double_t theta = TMath::ATan2(r,z);
932 if(theta < 1e-5) // before theta == 0, not allowed by coding convention
935 eta = -TMath::Log(TMath::Tan(theta/2.));
936 if (eta < fArm1EtaMin || eta > fArm1EtaMax)
939 Double_t phi = TMath::ATan2(y,x) * 180./TMath::Pi();
940 if (phi < 0) phi += 360; // phi should go from 0 to 360 in this case
941 if (phi > fArm1PhiMin && phi < fArm1PhiMax)
947 //________________________________________________________________________________________________
948 Int_t AliEMCALGeoUtils::GetAbsTRUNumberFromNumberInSm(const Int_t row, const Int_t col, const Int_t sm) const
950 // Get TRU absolute number from column, row and Super Module number
951 Int_t itru = row + col*fEMCGeometry->GetNModulesInTRUPhi() + sm*fEMCGeometry->GetNTRU();
952 // printf(" GetAbsTRUNumberFromNumberInSm : row %2i col %2i sm %2i -> itru %2i\n", row, col, sm, itru);
956 //________________________________________________________________________________________________
957 Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromTRU(const Int_t iTRU, const Int_t iADC, Int_t& id) const
959 //Trigger mapping method, get FastOr Index from TRU
961 if (iTRU > 31 || iTRU < 0 || iADC > 95 || iADC < 0)
963 AliError("TRU out of range!");
967 id = iADC + iTRU * 96;
972 //________________________________________________________________________________________________
973 Bool_t AliEMCALGeoUtils::GetTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iADC) const
976 //Trigger mapping method, get TRU number from FastOr Index
978 if (id > 3071 || id < 0)
980 AliError("Id out of range!");
990 //________________________________________________________________________________________________
991 Bool_t AliEMCALGeoUtils::GetPositionInTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iEta, Int_t& iPhi) const
993 //Trigger mapping method, get position in TRU from FasOr Index
997 Bool_t isOK = GetTRUFromAbsFastORIndex(id, iTRU, iADC);
999 if (!isOK) return kFALSE;
1004 if ( int( iTRU / 3 ) % 2 ) // C side
1018 //________________________________________________________________________________________________
1019 Bool_t AliEMCALGeoUtils::GetPositionInSMFromAbsFastORIndex(const Int_t id, Int_t& iSM, Int_t& iEta, Int_t& iPhi) const
1021 //Trigger mapping method, get position in Super Module from FasOr Index
1024 Bool_t isOK = GetPositionInTRUFromAbsFastORIndex(id, iTRU, iEta, iPhi);
1026 if (!isOK) return kFALSE;
1030 if ( int( iTRU / 3 ) % 2 ) // C side
1032 iPhi = iPhi + 4 * ( 2 - ( iTRU % 3 ) );
1036 iPhi = iPhi + 4 * ( iTRU % 3 );
1042 //________________________________________________________________________________________________
1043 Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromPositionInTRU(const Int_t iTRU, const Int_t iEta, const Int_t iPhi, Int_t& id) const
1045 //Trigger mapping method, get Index if FastOr from Position in TRU
1047 if (iTRU < 0 || iTRU > 31 || iEta < 0 || iEta > 23 || iPhi < 0 || iPhi > 3) return kFALSE;
1049 if ( int( iTRU / 3 ) % 2 ) // C side
1051 id = iPhi + 4 * ( 23 - iEta ) + iTRU * 96;
1055 id = (3 - iPhi) + 4 * iEta + iTRU * 96;
1061 //____________________________________________________________________________
1062 const TGeoHMatrix * AliEMCALGeoUtils::GetMatrixForSuperModule(Int_t smod) const {
1064 //Provides shift-rotation matrix for EMCAL
1066 if(smod < 0 || smod > fEMCGeometry->GetNumberOfSuperModules())
1067 AliFatal(Form("Wrong supermodule index -> %d",smod));
1069 //If GeoManager exists, take matrixes from it
1072 // if(fKey110DEG && ind>=10) {
1075 // if(!gGeoManager->cd(volpath.Data()))
1076 // AliFatal(Form("AliEMCALGeometry::GeoManager cannot find path %s!",volpath.Data()));
1078 // TGeoHMatrix* m = gGeoManager->GetCurrentMatrix();
1082 sprintf(path,"/ALIC_1/XEN1_1/SMOD_%d",smod+1) ;
1083 //TString volpath = "ALIC_1/XEN1_1/SMOD_";
1084 //volpath += smod+1;
1086 if(fKey110DEG && smod >= 10){
1087 sprintf(path,"/ALIC_1/XEN1_1/SM10_%d",smod-10+1) ;
1088 //volpath = "ALIC_1/XEN1_1/SM10_";
1089 //volpath += smod-10+1;
1091 if (!gGeoManager->cd(path)){
1092 AliFatal(Form("Geo manager can not find path %s!\n",path));
1094 return gGeoManager->GetCurrentMatrix();
1097 if(fkSModuleMatrix[smod]){
1098 return fkSModuleMatrix[smod] ;
1102 printf("\t Can not find EMCAL misalignment matrixes\n") ;
1103 printf("\t Either import TGeoManager from geometry.root or \n");
1104 printf("\t read stored matrixes from AliESD Header: \n") ;
1105 printf("\t AliEMCALGeoUtils::SetMisalMatrixes(header->GetEMCALMisalMatrix()) \n") ;
1111 //______________________________________________________________________
1112 void AliEMCALGeoUtils::GetModulePhiEtaIndexInSModuleFromTRUIndex(Int_t itru, Int_t iphitru, Int_t ietatru, Int_t &iphiSM, Int_t &ietaSM) const
1115 // This method transforms the (eta,phi) index of module in a
1116 // TRU matrix into Super Module (eta,phi) index.
1118 // Calculate in which row and column where the TRU are
1119 // ordered in the SM
1121 Int_t col = itru/fEMCGeometry->GetNTRUPhi() ; // indexes of TRU in SM
1122 Int_t row = itru - col*fEMCGeometry->GetNTRUPhi();
1124 iphiSM = fEMCGeometry->GetNModulesInTRUPhi()*row + iphitru ;
1125 ietaSM = fEMCGeometry->GetNModulesInTRUEta()*col + ietatru ;
1126 //printf(" GetModulePhiEtaIndexInSModuleFromTRUIndex : itru %2i iphitru %2i ietatru %2i iphiSM %2i ietaSM %2i \n",
1127 // itru, iphitru, ietatru, iphiSM, ietaSM);