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0c5b726e 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id: AliEMCALGeoUtils.cxx 25590 2008-05-06 07:09:11Z prsnko $ */
17
18//_________________________________________________________________________
19// Geometry class for EMCAL : singleton
20//
21// -- Author: Magali Estienne (magali.estienne@subatech.in2p3.fr)
22
23//
24// Usage:
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.
28//
171d2441 29// AliEMCALGeoUtils* geom = new AliEMCALGeoUtils("EMCAL_COMPLETEV1","EMCAL");
0c5b726e 30// TGeoManager::Import("geometry.root");
31//
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");
38
39
40// --- ROOT system ---
41
42#include <TParticle.h>
43#include <TGeoManager.h>
44#include <TGeoMatrix.h>
d9b3567c 45#include <TGeoBBox.h>
0c5b726e 46#include <TList.h>
47#include <TBrowser.h>
48
49// --- Standard library ---
50//#include <Riostream.h>
51
52// --- AliRoot header files ---
53#include "AliEMCALGeoUtils.h"
54#include "AliEMCALShishKebabTrd1Module.h"
55
56ClassImp(AliEMCALGeoUtils)
57
58//____________________________________________________________________________
59AliEMCALGeoUtils::AliEMCALGeoUtils():
60 fEMCGeometry(0x0),fGeoName(0),
61 fKey110DEG(0),fNCellsInSupMod(0),fNETAdiv(0),fNPHIdiv(0),
62 fNCellsInModule(0),fPhiBoundariesOfSM(0x0),fPhiCentersOfSM(0x0),
63 fPhiCentersOfCells(0x0),fCentersOfCellsEtaDir(0x0),
64 fCentersOfCellsPhiDir(0x0),fEtaCentersOfCells(0x0),
65 fNCells(0),fNPhi(0),fCentersOfCellsXDir(0x0),fArm1EtaMin(0),
66 fArm1EtaMax(0),fArm1PhiMin(0),fArm1PhiMax(0),fEtaMaxOfTRD1(0),
d83af7ae 67 fShishKebabTrd1Modules(0),fPhiModuleSize(0.),
0c5b726e 68 fEtaModuleSize(0.),fPhiTileSize(0.),fEtaTileSize(0.),fNZ(0),
69 fIPDistance(0.),fLongModuleSize(0.),fShellThickness(0.),
dcfd261c 70 fZLength(0.),fSampling(0.),fUseExternalMatrices(kFALSE)
0c5b726e 71{
72 // default ctor
73 // must be kept public for root persistency purposes, but should never be called by the outside world
74 fEnvelop[0] = 0.;
75 fEnvelop[1] = 0.;
76 fEnvelop[2] = 0.;
d83af7ae 77 fParSM[0] = 0.;
78 fParSM[1] = 0.;
79 fParSM[2] = 0.;
fa911ba9 80 for(Int_t i=0;i<12;i++)fkSModuleMatrix[i]=0 ;
0c5b726e 81
de39a0ff 82 for (Int_t i = 0; i < 48; i++)
83 for (Int_t j = 0; j < 64; j++) fFastOR2DMap[i][j] = -1;
0c5b726e 84}
85
86//____________________________________________________________________________
87AliEMCALGeoUtils::AliEMCALGeoUtils(const AliEMCALGeoUtils & geo)
88 : TNamed(geo),
89 fEMCGeometry(geo.fEMCGeometry),fGeoName(geo.fGeoName),
90 fKey110DEG(geo.fKey110DEG),fNCellsInSupMod(geo.fNCellsInSupMod),fNETAdiv(geo.fNETAdiv),fNPHIdiv(geo.fNPHIdiv),
91 fNCellsInModule(geo.fNCellsInModule),fPhiBoundariesOfSM(geo.fPhiBoundariesOfSM),fPhiCentersOfSM(geo.fPhiCentersOfSM),
92 fPhiCentersOfCells(geo.fPhiCentersOfCells),fCentersOfCellsEtaDir(geo.fCentersOfCellsEtaDir),
93 fCentersOfCellsPhiDir(geo.fCentersOfCellsPhiDir),fEtaCentersOfCells(geo.fEtaCentersOfCells),
94 fNCells(geo.fNCells),fNPhi(geo.fNPhi),fCentersOfCellsXDir(geo.fCentersOfCellsXDir),fArm1EtaMin(geo.fArm1EtaMin),
95 fArm1EtaMax(geo.fArm1EtaMax),fArm1PhiMin(geo.fArm1PhiMin),fArm1PhiMax(geo.fArm1PhiMax),fEtaMaxOfTRD1(geo.fEtaMaxOfTRD1),
d83af7ae 96 fShishKebabTrd1Modules(geo.fShishKebabTrd1Modules),fPhiModuleSize(geo.fPhiModuleSize),
0c5b726e 97 fEtaModuleSize(geo.fEtaModuleSize),fPhiTileSize(geo.fPhiTileSize),fEtaTileSize(geo.fEtaTileSize),fNZ(geo.fNZ),
98 fIPDistance(geo.fIPDistance),fLongModuleSize(geo.fLongModuleSize),fShellThickness(geo.fShellThickness),
dcfd261c 99 fZLength(geo.fZLength),fSampling(geo.fSampling),fUseExternalMatrices(geo.fUseExternalMatrices)
0c5b726e 100{
101 fEnvelop[0] = geo.fEnvelop[0];
102 fEnvelop[1] = geo.fEnvelop[1];
103 fEnvelop[2] = geo.fEnvelop[2];
d83af7ae 104 fParSM[0] = geo.fParSM[0];
105 fParSM[1] = geo.fParSM[1];
106 fParSM[2] = geo.fParSM[2];
fa911ba9 107 for(Int_t i=0;i<12;i++)fkSModuleMatrix[i]=0 ;
de39a0ff 108
109 for (Int_t i = 0; i < 48; i++)
110 for (Int_t j = 0; j < 64; j++) fFastOR2DMap[i][j] = geo.fFastOR2DMap[i][j];
0c5b726e 111}
112
113//____________________________________________________________________________
114AliEMCALGeoUtils::AliEMCALGeoUtils(const Text_t* name, const Text_t* title)
115 : TNamed(name, title),
116 fEMCGeometry(0x0),fGeoName(0),
117 fKey110DEG(0),fNCellsInSupMod(0),fNETAdiv(0),fNPHIdiv(0),
118 fNCellsInModule(0),fPhiBoundariesOfSM(0x0),fPhiCentersOfSM(0x0),
119 fPhiCentersOfCells(0x0),fCentersOfCellsEtaDir(0x0),
120 fCentersOfCellsPhiDir(0x0),fEtaCentersOfCells(0x0),
121 fNCells(0),fNPhi(0),fCentersOfCellsXDir(0x0),fArm1EtaMin(0),
122 fArm1EtaMax(0),fArm1PhiMin(0),fArm1PhiMax(0),fEtaMaxOfTRD1(0),
d83af7ae 123 fShishKebabTrd1Modules(0),fPhiModuleSize(0.),
0c5b726e 124 fEtaModuleSize(0.),fPhiTileSize(0.),fEtaTileSize(0.),fNZ(0),
125 fIPDistance(0.),fLongModuleSize(0.),fShellThickness(0.),
dcfd261c 126 fZLength(0.),fSampling(0.), fUseExternalMatrices(kFALSE)
0c5b726e 127{
128
129 // ctor only for normal usage
130
131 fEMCGeometry = new AliEMCALEMCGeometry(name,title);
132
133 fGeoName = fEMCGeometry->GetGeoName();
134 fKey110DEG = fEMCGeometry->GetKey110DEG();
135 fNCellsInSupMod = fEMCGeometry->GetNCellsInSupMod();
136 fNETAdiv = fEMCGeometry->GetNETAdiv();
137 fNPHIdiv = fEMCGeometry->GetNPHIdiv();
138 fNCellsInModule = fNPHIdiv*fNETAdiv;
53e430a3 139 static int i=0;
0c5b726e 140 Int_t nSMod = fEMCGeometry->GetNumberOfSuperModules();
141 fPhiBoundariesOfSM.Set(nSMod);
142 fPhiCentersOfSM.Set(nSMod/2);
143 for(Int_t sm=0; sm<nSMod; sm++) {
144 i = sm/2;
145 fEMCGeometry->GetPhiBoundariesOfSM(sm,fPhiBoundariesOfSM[2*i],fPhiBoundariesOfSM[2*i+1]);
146 }
147
148 Double_t phiMin = 0.;
149 Double_t phiMax = 0.;
150 for(Int_t sm=0; sm<nSMod; sm++) {
151 fEMCGeometry->GetPhiBoundariesOfSM(sm,phiMin,phiMax);
53e430a3 152 i=sm/2;
0c5b726e 153 fPhiCentersOfSM[i] = fEMCGeometry->GetPhiCenterOfSM(sm);
154 }
155 fNCells = fEMCGeometry->GetNCells();
156 fNPhi = fEMCGeometry->GetNPhi();
157 fEnvelop[0] = fEMCGeometry->GetEnvelop(0);
158 fEnvelop[1] = fEMCGeometry->GetEnvelop(1);
159 fEnvelop[2] = fEMCGeometry->GetEnvelop(2);
d83af7ae 160 fParSM[0] = fEMCGeometry->GetSuperModulesPar(0);
161 fParSM[1] = fEMCGeometry->GetSuperModulesPar(1);
162 fParSM[2] = fEMCGeometry->GetSuperModulesPar(2);
0c5b726e 163 fArm1EtaMin = fEMCGeometry->GetArm1EtaMin();
164 fArm1EtaMax = fEMCGeometry->GetArm1EtaMax();
165 fArm1PhiMin = fEMCGeometry->GetArm1PhiMin();
166 fArm1PhiMax = fEMCGeometry->GetArm1PhiMax();
167 fShellThickness = fEMCGeometry->GetShellThickness();
d83af7ae 168 fZLength = fEMCGeometry->GetZLength();
169 fSampling = fEMCGeometry->GetSampling();
0c5b726e 170 fEtaModuleSize = fEMCGeometry->GetEtaModuleSize();
171 fPhiModuleSize = fEMCGeometry->GetPhiModuleSize();
172 fEtaTileSize = fEMCGeometry->GetEtaTileSize();
173 fPhiTileSize = fEMCGeometry->GetPhiTileSize();
d83af7ae 174 fNZ = fEMCGeometry->GetNZ();
175 fIPDistance = fEMCGeometry->GetIPDistance();
0c5b726e 176 fLongModuleSize = fEMCGeometry->GetLongModuleSize();
177
178 CreateListOfTrd1Modules();
179
180 for(Int_t smod=0; smod < fEMCGeometry->GetNumberOfSuperModules(); smod++)
181 fkSModuleMatrix[smod]=0 ;
182
183 if (AliDebugLevel()>=2) {
184 fEMCGeometry->Print();
14c2372a 185 PrintGeometryGeoUtils();
0c5b726e 186 }
187
de39a0ff 188 for (Int_t ix = 0; ix < 48; ix++)
189 for (Int_t jx = 0; jx < 64; jx++) fFastOR2DMap[ix][jx] = -1;
190
191 BuildFastOR2DMap();
0c5b726e 192}
193
194//____________________________________________________________________________
195AliEMCALGeoUtils & AliEMCALGeoUtils::operator = (const AliEMCALGeoUtils & /*rvalue*/) {
578f5231 196 //assing operator
0c5b726e 197 Fatal("assignment operator", "not implemented") ;
198 return *this ;
199}
200
201//____________________________________________________________________________
202AliEMCALGeoUtils::~AliEMCALGeoUtils(void)
203{
204 // dtor
a5f0a2ba 205 if (fEMCGeometry){
206 for(Int_t smod = 0 ; smod < fEMCGeometry->GetNumberOfSuperModules(); smod++){
207 if(fkSModuleMatrix[smod])
208 delete fkSModuleMatrix[smod] ;
209 fkSModuleMatrix[smod]=0 ;
210 }
0c5b726e 211 delete fEMCGeometry; fEMCGeometry = 0 ;
212 }
213}
214
215
216//________________________________________________________________________________________________
217void AliEMCALGeoUtils::Browse(TBrowser* b)
218{
219 //Browse the modules
220 if(fShishKebabTrd1Modules) b->Add(fShishKebabTrd1Modules);
221}
222
223//________________________________________________________________________________________________
224Bool_t AliEMCALGeoUtils::IsFolder() const
225{
226 //Check if fShishKebabTrd1Modules is in folder
227 if(fShishKebabTrd1Modules) return kTRUE;
228 else return kFALSE;
229}
230
231//________________________________________________________________________________________________
232void AliEMCALGeoUtils::GetGlobal(const Double_t *loc, Double_t *glob, int ind) const
233{
234 // Figure out the global numbering
235 // of a given supermodule from the
236 // local numbering and the transformation
237 // matrix stored by the geometry manager (allows for misaligned
238 // geometry)
0c5b726e 239
240 const TGeoHMatrix* m = GetMatrixForSuperModule(ind);
241 if(m) {
242 m->LocalToMaster(loc, glob);
243 } else {
244 AliFatal("Geo matrixes are not loaded \n") ;
245 }
0c5b726e 246}
247
248//________________________________________________________________________________________________
249void AliEMCALGeoUtils::GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const
250{
251 //Figure out the global numbering
252 //of a given supermodule from the
253 //local numbering given a 3-vector location
254
255 static Double_t tglob[3], tloc[3];
256 vloc.GetXYZ(tloc);
257 GetGlobal(tloc, tglob, ind);
258 vglob.SetXYZ(tglob[0], tglob[1], tglob[2]);
259}
260
261//________________________________________________________________________________________________
262void AliEMCALGeoUtils::GetGlobal(Int_t absId , double glob[3]) const
263{
264 // Alice numbering scheme - Jun 03, 2006
de39a0ff 265 static Int_t nSupMod=-1, nModule=-1, nIphi=-1, nIeta=-1;
0c5b726e 266 static double loc[3];
267
0c5b726e 268 glob[0]=glob[1]=glob[2]=0.0; // bad case
269 if(RelPosCellInSModule(absId, loc)) {
270 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
271
0c5b726e 272 const TGeoHMatrix* m = GetMatrixForSuperModule(nSupMod);
273 if(m) {
274 m->LocalToMaster(loc, glob);
275 } else {
276 AliFatal("Geo matrixes are not loaded \n") ;
277 }
278 }
279}
280
281//___________________________________________________________________
282void AliEMCALGeoUtils::GetGlobal(Int_t absId , TVector3 &vglob) const
283{
284 // Alice numbering scheme - Jun 03, 2006
285 static Double_t glob[3];
286
287 GetGlobal(absId, glob);
288 vglob.SetXYZ(glob[0], glob[1], glob[2]);
289
290}
291
292
293//______________________________________________________________________
294void AliEMCALGeoUtils::PrintCellIndexes(Int_t absId, int pri, const char *tit) const
295{
296 // Service methods
de39a0ff 297 Int_t nSupMod, nModule, nIphi, nIeta;
298 Int_t iphi, ieta;
0c5b726e 299 TVector3 vg;
300
301 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
302 printf(" %s | absId : %i -> nSupMod %i nModule %i nIphi %i nIeta %i \n", tit, absId, nSupMod, nModule, nIphi, nIeta);
303 if(pri>0) {
304 GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
305 printf(" local SM index : iphi %i : ieta %i \n", iphi,ieta);
306 GetGlobal(absId, vg);
307 printf(" vglob : mag %7.2f : perp %7.2f : z %7.2f : eta %6.4f : phi %6.4f(%6.2f) \n",
308 vg.Mag(), vg.Perp(), vg.Z(), vg.Eta(), vg.Phi(), vg.Phi()*TMath::RadToDeg());
309 }
310}
311
3d841a9f 312void AliEMCALGeoUtils::PrintLocalTrd1(Int_t pri) const
313{
314 // For comparing with numbers from drawing
315 for(Int_t i=0; i<GetShishKebabTrd1Modules()->GetSize(); i++){
316 printf(" %s | ", GetShishKebabModule(i)->GetName());
317 if(i==0 && pri<1) GetShishKebabModule(i)->PrintShish(1);
318 else GetShishKebabModule(i)->PrintShish(pri);
319 }
320}
321
0c5b726e 322//________________________________________________________________________________________________
323void AliEMCALGeoUtils::EtaPhiFromIndex(Int_t absId,Double_t &eta,Double_t &phi) const
324{
325 // Nov 16, 2006- float to double
326 // version for TRD1 only
327 static TVector3 vglob;
328 GetGlobal(absId, vglob);
329 eta = vglob.Eta();
330 phi = vglob.Phi();
331}
332
333//________________________________________________________________________________________________
334void AliEMCALGeoUtils::EtaPhiFromIndex(Int_t absId,Float_t &eta,Float_t &phi) const
335{
336 // Nov 16,2006 - should be discard in future
337 static TVector3 vglob;
338 GetGlobal(absId, vglob);
339 eta = float(vglob.Eta());
340 phi = float(vglob.Phi());
341}
342
343//
344// == Shish-kebab cases ==
345//
346//________________________________________________________________________________________________
347Int_t AliEMCALGeoUtils::GetAbsCellId(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta) const
348{
349 // 27-aug-04;
350 // corr. 21-sep-04;
351 // 13-oct-05; 110 degree case
352 // May 31, 2006; ALICE numbering scheme:
353 // 0 <= nSupMod < fNumberOfSuperModules
354 // 0 <= nModule < fNPHI * fNZ ( fNPHI * fNZ/2 for fKey110DEG=1)
355 // 0 <= nIphi < fNPHIdiv
356 // 0 <= nIeta < fNETAdiv
357 // 0 <= absid < fNCells
358 static Int_t id=0; // have to change from 0 to fNCells-1
359 if(fKey110DEG == 1 && nSupMod >= 10) { // 110 degree case; last two supermodules
360 id = fNCellsInSupMod*10 + (fNCellsInSupMod/2)*(nSupMod-10);
361 } else {
362 id = fNCellsInSupMod*nSupMod;
363 }
364 id += fNCellsInModule *nModule;
365 id += fNPHIdiv *nIphi;
366 id += nIeta;
367 if(id<0 || id >= fNCells) {
368// printf(" wrong numerations !!\n");
369// printf(" id %6i(will be force to -1)\n", id);
370// printf(" fNCells %6i\n", fNCells);
371// printf(" nSupMod %6i\n", nSupMod);
372// printf(" nModule %6i\n", nModule);
373// printf(" nIphi %6i\n", nIphi);
374// printf(" nIeta %6i\n", nIeta);
375 id = -TMath::Abs(id); // if negative something wrong
376 }
377 return id;
378}
379
380//________________________________________________________________________________________________
381void AliEMCALGeoUtils::GetModuleIndexesFromCellIndexesInSModule(Int_t nSupMod, Int_t iphi, Int_t ieta,
382 Int_t &iphim, Int_t &ietam, Int_t &nModule) const
383{
384 // Transition from cell indexes (ieta,iphi) to module indexes (ietam,iphim, nModule)
de39a0ff 385 static Int_t nphi=-1;
0c5b726e 386 nphi = GetNumberOfModuleInPhiDirection(nSupMod);
387
388 ietam = ieta/fNETAdiv;
389 iphim = iphi/fNPHIdiv;
390 nModule = ietam * nphi + iphim;
391}
392
393//________________________________________________________________________________________________
394Int_t AliEMCALGeoUtils::GetAbsCellIdFromCellIndexes(Int_t nSupMod, Int_t iphi, Int_t ieta) const
395{
396 // Transition from super module number(nSupMod) and cell indexes (ieta,iphi) to absId
53e430a3 397 static Int_t ietam=-1, iphim=-1, nModule=-1;
398 static Int_t nIeta=-1, nIphi=-1; // cell indexes in module
0c5b726e 399
400 GetModuleIndexesFromCellIndexesInSModule(nSupMod, iphi, ieta, ietam, iphim, nModule);
401
402 nIeta = ieta%fNETAdiv;
403 nIeta = fNETAdiv - 1 - nIeta;
404 nIphi = iphi%fNPHIdiv;
405
406 return GetAbsCellId(nSupMod, nModule, nIphi, nIeta);
407}
408
409//________________________________________________________________________________________________
410Bool_t AliEMCALGeoUtils::SuperModuleNumberFromEtaPhi(Double_t eta, Double_t phi, Int_t &nSupMod) const
411{
412 // Return false if phi belongs a phi cracks between SM
413
53e430a3 414 static Int_t i=0;
0c5b726e 415
416 if(TMath::Abs(eta) > fEtaMaxOfTRD1) return kFALSE;
417
418 phi = TVector2::Phi_0_2pi(phi); // move phi to (0,2pi) boundaries
419 for(i=0; i<6; i++) {
39ea291a 420
421 //Check if it is not the complete geometry
422 if (i >= fEMCGeometry->GetNumberOfSuperModules()/2) return kFALSE;
423
0c5b726e 424 if(phi>=fPhiBoundariesOfSM[2*i] && phi<=fPhiBoundariesOfSM[2*i+1]) {
425 nSupMod = 2*i;
426 if(eta < 0.0) nSupMod++;
427 AliDebug(1,Form("eta %f phi %f(%5.2f) : nSupMod %i : #bound %i", eta,phi,phi*TMath::RadToDeg(), nSupMod,i));
428 return kTRUE;
429 }
430 }
431 return kFALSE;
432}
433
434
435//________________________________________________________________________________________________
436Bool_t AliEMCALGeoUtils::GetAbsCellIdFromEtaPhi(Double_t eta, Double_t phi, Int_t &absId) const
437{
438 // Nov 17,2006
439 // stay here - phi problem as usual
de39a0ff 440 static Int_t nSupMod=-1, i=0, ieta=-1, iphi=-1, etaShift=0, nphi=-1;
441 static Double_t absEta=0.0, d=0.0, dmin=0.0, phiLoc=0;
0c5b726e 442 absId = nSupMod = - 1;
443 if(SuperModuleNumberFromEtaPhi(eta, phi, nSupMod)) {
444 // phi index first
445 phi = TVector2::Phi_0_2pi(phi);
446 phiLoc = phi - fPhiCentersOfSM[nSupMod/2];
447 nphi = fPhiCentersOfCells.GetSize();
448 if(nSupMod>=10) {
449 phiLoc = phi - 190.*TMath::DegToRad();
450 nphi /= 2;
451 }
452
453 dmin = TMath::Abs(fPhiCentersOfCells[0]-phiLoc);
454 iphi = 0;
455 for(i=1; i<nphi; i++) {
456 d = TMath::Abs(fPhiCentersOfCells[i] - phiLoc);
457 if(d < dmin) {
458 dmin = d;
459 iphi = i;
460 }
461 // printf(" i %i : d %f : dmin %f : fPhiCentersOfCells[i] %f \n", i, d, dmin, fPhiCentersOfCells[i]);
462 }
463 // odd SM are turned with respect of even SM - reverse indexes
464 AliDebug(2,Form(" iphi %i : dmin %f (phi %f, phiLoc %f ) ", iphi, dmin, phi, phiLoc));
465 // eta index
466 absEta = TMath::Abs(eta);
467 etaShift = iphi*fCentersOfCellsEtaDir.GetSize();
468 dmin = TMath::Abs(fEtaCentersOfCells[etaShift]-absEta);
469 ieta = 0;
470 for(i=1; i<fCentersOfCellsEtaDir.GetSize(); i++) {
471 d = TMath::Abs(fEtaCentersOfCells[i+etaShift] - absEta);
472 if(d < dmin) {
473 dmin = d;
474 ieta = i;
475 }
476 }
477 AliDebug(2,Form(" ieta %i : dmin %f (eta=%f) : nSupMod %i ", ieta, dmin, eta, nSupMod));
478
479 if(eta<0) iphi = (nphi-1) - iphi;
02194d2d 480
481 //patch for mapping following alice convention
482 if(nSupMod%2 == 0)
483 ieta = (fCentersOfCellsEtaDir.GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
484 else {
485 if(nSupMod<10)
486 iphi = (fCentersOfCellsPhiDir.GetSize()-1) -iphi;// 23-iphi, revert the ordering on C side in order to keep convention.
487 else
488 iphi = (fCentersOfCellsPhiDir.GetSize()/2-1)-iphi;// 11-iphi, revert the ordering on C side in order to keep convention.
489 }
490
0c5b726e 491 absId = GetAbsCellIdFromCellIndexes(nSupMod, iphi, ieta);
492
493 return kTRUE;
494 }
495 return kFALSE;
496}
497
498//________________________________________________________________________________________________
499Bool_t AliEMCALGeoUtils::CheckAbsCellId(Int_t absId) const
500{
501 // May 31, 2006; only trd1 now
502 if(absId<0 || absId >= fNCells) return kFALSE;
503 else return kTRUE;
504}
505
506//________________________________________________________________________________________________
507Bool_t AliEMCALGeoUtils::GetCellIndex(Int_t absId,Int_t &nSupMod,Int_t &nModule,Int_t &nIphi,Int_t &nIeta) const
508{
509 // 21-sep-04; 19-oct-05;
510 // May 31, 2006; ALICE numbering scheme:
511 //
512 // In:
513 // absId - cell is as in Geant, 0<= absId < fNCells;
514 // Out:
515 // nSupMod - super module(SM) number, 0<= nSupMod < fNumberOfSuperModules;
516 // nModule - module number in SM, 0<= nModule < fNCellsInSupMod/fNCellsInSupMod or(/2) for tow last SM (10th and 11th);
517 // nIphi - cell number in phi driection inside module; 0<= nIphi < fNPHIdiv;
518 // nIeta - cell number in eta driection inside module; 0<= nIeta < fNETAdiv;
519 //
520 static Int_t tmp=0, sm10=0;
521 if(!CheckAbsCellId(absId)) return kFALSE;
522
523 sm10 = fNCellsInSupMod*10;
524 if(fKey110DEG == 1 && absId >= sm10) { // 110 degree case; last two supermodules
525 nSupMod = (absId-sm10) / (fNCellsInSupMod/2) + 10;
526 tmp = (absId-sm10) % (fNCellsInSupMod/2);
527 } else {
528 nSupMod = absId / fNCellsInSupMod;
529 tmp = absId % fNCellsInSupMod;
530 }
531
532 nModule = tmp / fNCellsInModule;
533 tmp = tmp % fNCellsInModule;
534 nIphi = tmp / fNPHIdiv;
535 nIeta = tmp % fNPHIdiv;
536
537 return kTRUE;
538}
539
540//________________________________________________________________________________________________
541Int_t AliEMCALGeoUtils::GetSuperModuleNumber(Int_t absId) const
542{
543 // Return the number of the supermodule given the absolute
544 // ALICE numbering id
545
de39a0ff 546 static Int_t nSupMod=-1, nModule=-1, nIphi=-1, nIeta=-1;
0c5b726e 547 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
548 return nSupMod;
549}
550
551//________________________________________________________________________________________________
552void AliEMCALGeoUtils::GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, int &iphim, int &ietam) const
553{
554 // added nSupMod; - 19-oct-05 !
555 // Alice numbering scheme - Jun 01,2006
556 // ietam, iphi - indexes of module in two dimensional grid of SM
557 // ietam - have to change from 0 to fNZ-1
558 // iphim - have to change from 0 to nphi-1 (fNPhi-1 or fNPhi/2-1)
de39a0ff 559 static Int_t nphi=-1;
0c5b726e 560
561 if(fKey110DEG == 1 && nSupMod>=10) nphi = fNPhi/2;
562 else nphi = fNPhi;
563
564 ietam = nModule/nphi;
565 iphim = nModule%nphi;
566}
567
568//________________________________________________________________________________________________
569void AliEMCALGeoUtils::GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nModule, Int_t nIphi, Int_t nIeta,
570int &iphi, int &ieta) const
571{
572 //
573 // Added nSupMod; Nov 25, 05
574 // Alice numbering scheme - Jun 01,2006
575 // IN:
576 // nSupMod - super module(SM) number, 0<= nSupMod < fNumberOfSuperModules;
577 // nModule - module number in SM, 0<= nModule < fNCellsInSupMod/fNCellsInSupMod or(/2) for tow last SM (10th and 11th);
578 // nIphi - cell number in phi driection inside module; 0<= nIphi < fNPHIdiv;
579 // nIeta - cell number in eta driection inside module; 0<= nIeta < fNETAdiv;
580 //
581 // OUT:
582 // ieta, iphi - indexes of cell(tower) in two dimensional grid of SM
583 // ieta - have to change from 0 to (fNZ*fNETAdiv-1)
584 // iphi - have to change from 0 to (fNPhi*fNPHIdiv-1 or fNPhi*fNPHIdiv/2-1)
585 //
53e430a3 586 static Int_t iphim=-1, ietam=-1;
0c5b726e 587
588 GetModulePhiEtaIndexInSModule(nSupMod,nModule, iphim, ietam);
589 // ieta = ietam*fNETAdiv + (1-nIeta); // x(module) = -z(SM)
590 ieta = ietam*fNETAdiv + (fNETAdiv - 1 - nIeta); // x(module) = -z(SM)
591 iphi = iphim*fNPHIdiv + nIphi; // y(module) = y(SM)
592
593 if(iphi<0 || ieta<0)
594 AliDebug(1,Form(" nSupMod %i nModule %i nIphi %i nIeta %i => ieta %i iphi %i\n",
595 nSupMod, nModule, nIphi, nIeta, ieta, iphi));
596}
597
598
599// Methods for AliEMCALRecPoint - Feb 19, 2006
600//________________________________________________________________________________________________
601Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const
602{
603 // Look to see what the relative
604 // position inside a given cell is
605 // for a recpoint.
606 // Alice numbering scheme - Jun 08, 2006
607 // In:
608 // absId - cell is as in Geant, 0<= absId < fNCells;
609 // OUT:
610 // xr,yr,zr - x,y,z coordinates of cell with absId inside SM
611
612 // Shift index taking into account the difference between standard SM
613 // and SM of half size in phi direction
614 const Int_t kphiIndexShift = fCentersOfCellsPhiDir.GetSize()/4; // Nov 22, 2006; was 6 for cas 2X2
de39a0ff 615 static Int_t nSupMod=-1, nModule=-1, nIphi=-1, nIeta=-1, iphi=-1, ieta=-1;
0c5b726e 616 if(!CheckAbsCellId(absId)) return kFALSE;
617
618 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
619 GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi, ieta);
dd91d8ac 620
f8a955ba 621 //Get eta position. Careful with ALICE conventions (increase index decrease eta)
622 Int_t ieta2 = ieta;
623 if(nSupMod%2 == 0)
624 ieta2 = (fCentersOfCellsEtaDir.GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
625 zr = fCentersOfCellsEtaDir.At(ieta2);
626 xr = fCentersOfCellsXDir.At(ieta2);
627
628 //Get phi position. Careful with ALICE conventions (increase index increase phi)
dd91d8ac 629 Int_t iphi2 = iphi;
dd91d8ac 630 if(nSupMod<10) {
631 if(nSupMod%2 != 0)
632 iphi2 = (fCentersOfCellsPhiDir.GetSize()-1)-iphi;// 23-iphi, revert the ordering on C side in order to keep convention.
633 yr = fCentersOfCellsPhiDir.At(iphi2);
634
0c5b726e 635 } else {
dd91d8ac 636 if(nSupMod%2 != 0)
637 iphi2 = (fCentersOfCellsPhiDir.GetSize()/2-1)-iphi;// 11-iphi, revert the ordering on C side in order to keep convention.
638 yr = fCentersOfCellsPhiDir.At(iphi2 + kphiIndexShift);
0c5b726e 639 }
640 AliDebug(1,Form("absId %i nSupMod %i iphi %i ieta %i xr %f yr %f zr %f ",absId,nSupMod,iphi,ieta,xr,yr,zr));
641
642 return kTRUE;
643}
644
645//________________________________________________________________________________________________
646Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, Double_t loc[3]) const
647{
648 // Look to see what the relative
649 // position inside a given cell is
650 // for a recpoint. // Alice numbering scheme - Jun 03, 2006
651 loc[0] = loc[1] = loc[2]=0.0;
652 if(RelPosCellInSModule(absId, loc[0],loc[1],loc[2])) {
653 return kTRUE;
654 }
655 return kFALSE;
656}
657
658//________________________________________________________________________________________________
659Bool_t AliEMCALGeoUtils::RelPosCellInSModule(Int_t absId, TVector3 &vloc) const
660{
661 // Look to see what the relative
662 // position inside a given cell is
663 // for a recpoint.
664 // Alice numbering scheme - Jun 03, 2006
665 static Double_t loc[3];
666 if(RelPosCellInSModule(absId,loc)) {
667 vloc.SetXYZ(loc[0], loc[1], loc[2]);
668 return kTRUE;
669 } else {
670 vloc.SetXYZ(0,0,0);
671 return kFALSE;
672 }
673}
674
675//________________________________________________________________________________________________
676void AliEMCALGeoUtils::CreateListOfTrd1Modules()
677{
678 // Generate the list of Trd1 modules
679 // which will make up the EMCAL
680 // geometry
3d841a9f 681 // key: look to the AliEMCALShishKebabTrd1Module::
0c5b726e 682
683 AliDebug(2,Form(" AliEMCALGeometry::CreateListOfTrd1Modules() started "));
684
685 AliEMCALShishKebabTrd1Module *mod=0, *mTmp=0; // current module
686 if(fShishKebabTrd1Modules == 0) {
687 fShishKebabTrd1Modules = new TList;
688 fShishKebabTrd1Modules->SetName("ListOfTRD1");
689 for(int iz=0; iz< fEMCGeometry->GetNZ(); iz++) {
690 if(iz==0) {
691 // mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,this);
692 mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,fEMCGeometry);
693 } else {
694 mTmp = new AliEMCALShishKebabTrd1Module(*mod);
695 mod = mTmp;
696 }
697 fShishKebabTrd1Modules->Add(mod);
698 }
699 } else {
700 AliDebug(2,Form(" Already exits : "));
701 }
702 mod = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(fShishKebabTrd1Modules->GetSize()-1);
703 fEtaMaxOfTRD1 = mod->GetMaxEtaOfModule(0);
704
705 AliDebug(2,Form(" fShishKebabTrd1Modules has %i modules : max eta %5.4f \n",
706 fShishKebabTrd1Modules->GetSize(),fEtaMaxOfTRD1));
707 // Feb 20,2006;
708 // Jun 01, 2006 - ALICE numbering scheme
709 // define grid for cells in eta(z) and x directions in local coordinates system of SM
710 // Works just for 2x2 case only -- ?? start here
711 //
712 //
713 // Define grid for cells in phi(y) direction in local coordinates system of SM
714 // as for 2X2 as for 3X3 - Nov 8,2006
715 //
716 AliDebug(2,Form(" Cells grid in phi directions : size %i\n", fCentersOfCellsPhiDir.GetSize()));
717 Int_t ind=0; // this is phi index
718 Int_t ieta=0, nModule=0, iphiTemp;
719 Double_t xr=0., zr=0., theta=0., phi=0., eta=0., r=0., x=0.,y=0.;
720 TVector3 vglob;
721 Double_t ytCenterModule=0.0, ytCenterCell=0.0;
722
723 fCentersOfCellsPhiDir.Set(fNPhi*fNPHIdiv);
724 fPhiCentersOfCells.Set(fNPhi*fNPHIdiv);
725
726 Double_t r0 = fIPDistance + fLongModuleSize/2.;
727 for(Int_t it=0; it<fNPhi; it++) { // cycle on modules
728 ytCenterModule = -fParSM[1] + fPhiModuleSize*(2*it+1)/2; // center of module
729 for(Int_t ic=0; ic<fNPHIdiv; ic++) { // cycle on cells in module
730 if(fNPHIdiv==2) {
731 ytCenterCell = ytCenterModule + fPhiTileSize *(2*ic-1)/2.;
732 } else if(fNPHIdiv==3){
733 ytCenterCell = ytCenterModule + fPhiTileSize *(ic-1);
734 } else if(fNPHIdiv==1){
735 ytCenterCell = ytCenterModule;
736 }
737 fCentersOfCellsPhiDir.AddAt(ytCenterCell,ind);
738 // Define grid on phi direction
739 // Grid is not the same for different eta bin;
740 // Effect is small but is still here
741 phi = TMath::ATan2(ytCenterCell, r0);
742 fPhiCentersOfCells.AddAt(phi, ind);
743
744 AliDebug(2,Form(" ind %2.2i : y %8.3f ", ind, fCentersOfCellsPhiDir.At(ind)));
745 ind++;
746 }
747 }
748
749 fCentersOfCellsEtaDir.Set(fNZ *fNETAdiv);
750 fCentersOfCellsXDir.Set(fNZ *fNETAdiv);
751 fEtaCentersOfCells.Set(fNZ *fNETAdiv * fNPhi*fNPHIdiv);
752 AliDebug(2,Form(" Cells grid in eta directions : size %i\n", fCentersOfCellsEtaDir.GetSize()));
753 for(Int_t it=0; it<fNZ; it++) {
754 AliEMCALShishKebabTrd1Module *trd1 = GetShishKebabModule(it);
755 nModule = fNPhi*it;
756 for(Int_t ic=0; ic<fNETAdiv; ic++) {
757 if(fNPHIdiv==2) {
758 trd1->GetCenterOfCellInLocalCoordinateofSM(ic, xr, zr); // case of 2X2
759 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
760 } if(fNPHIdiv==3) {
761 trd1->GetCenterOfCellInLocalCoordinateofSM3X3(ic, xr, zr); // case of 3X3
762 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
763 } if(fNPHIdiv==1) {
764 trd1->GetCenterOfCellInLocalCoordinateofSM1X1(xr, zr); // case of 1X1
765 GetCellPhiEtaIndexInSModule(0, nModule, 0, ic, iphiTemp, ieta);
766 }
767 fCentersOfCellsXDir.AddAt(float(xr) - fParSM[0],ieta);
768 fCentersOfCellsEtaDir.AddAt(float(zr) - fParSM[2],ieta);
769 // Define grid on eta direction for each bin in phi
770 for(int iphi=0; iphi<fCentersOfCellsPhiDir.GetSize(); iphi++) {
771 x = xr + trd1->GetRadius();
772 y = fCentersOfCellsPhiDir[iphi];
773 r = TMath::Sqrt(x*x + y*y + zr*zr);
774 theta = TMath::ACos(zr/r);
775 eta = AliEMCALShishKebabTrd1Module::ThetaToEta(theta);
776 // ind = ieta*fCentersOfCellsPhiDir.GetSize() + iphi;
777 ind = iphi*fCentersOfCellsEtaDir.GetSize() + ieta;
778 fEtaCentersOfCells.AddAt(eta, ind);
779 }
780 //printf(" ieta %i : xr + trd1->GetRadius() %f : zr %f : eta %f \n", ieta, xr + trd1->GetRadius(), zr, eta);
781 }
782 }
783 for(Int_t i=0; i<fCentersOfCellsEtaDir.GetSize(); i++) {
784 AliDebug(2,Form(" ind %2.2i : z %8.3f : x %8.3f", i+1,
785 fCentersOfCellsEtaDir.At(i),fCentersOfCellsXDir.At(i)));
786 }
787
788}
789
790
791//________________________________________________________________________________________________
792AliEMCALShishKebabTrd1Module* AliEMCALGeoUtils::GetShishKebabModule(Int_t neta) const
793{
794 //This method was too long to be
795 //included in the header file - the
796 //rule checker complained about it's
797 //length, so we move it here. It returns the
798 //shishkebabmodule at a given eta index point.
799
800 static AliEMCALShishKebabTrd1Module* trd1=0;
801 if(fShishKebabTrd1Modules && neta>=0 && neta<fShishKebabTrd1Modules->GetSize()) {
802 trd1 = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(neta);
803 } else trd1 = 0;
804 return trd1;
805}
806
807//___________________________________________________________________
14c2372a 808void AliEMCALGeoUtils::PrintGeometryGeoUtils()
0c5b726e 809{
810 //Print information from geometry
811 fEMCGeometry->PrintGeometry();
812
813 printf(" fShishKebabTrd1Modules has %i modules : max eta %5.4f \n",
814 fShishKebabTrd1Modules->GetSize(),fEtaMaxOfTRD1);
815
816 printf("\n Cells grid in eta directions : size %i\n", fCentersOfCellsEtaDir.GetSize());
817 for(Int_t i=0; i<fCentersOfCellsEtaDir.GetSize(); i++) {
818 printf(" ind %2.2i : z %8.3f : x %8.3f \n", i,
819 fCentersOfCellsEtaDir.At(i),fCentersOfCellsXDir.At(i));
820 int ind=0; // Nov 21,2006
821 for(Int_t iphi=0; iphi<fCentersOfCellsPhiDir.GetSize(); iphi++) {
822 ind = iphi*fCentersOfCellsEtaDir.GetSize() + i;
823 printf("%6.4f ", fEtaCentersOfCells[ind]);
824 if((iphi+1)%12 == 0) printf("\n");
825 }
826 printf("\n");
827
828 }
829
830 printf("\n Cells grid in phi directions : size %i\n", fCentersOfCellsPhiDir.GetSize());
831 for(Int_t i=0; i<fCentersOfCellsPhiDir.GetSize(); i++) {
832 double phi=fPhiCentersOfCells.At(i);
833 printf(" ind %2.2i : y %8.3f : phi %7.5f(%6.2f) \n", i, fCentersOfCellsPhiDir.At(i),
834 phi, phi*TMath::RadToDeg());
835 }
836
837}
838
839//____________________________________________________________________________
840Bool_t AliEMCALGeoUtils::Impact(const TParticle * particle) const
841{
842 // Tells if a particle enters EMCAL
843 Bool_t in=kFALSE;
844 Int_t absID=0;
845 TVector3 vtx(particle->Vx(),particle->Vy(),particle->Vz());
846 TVector3 vimpact(0,0,0);
847 ImpactOnEmcal(vtx,particle->Theta(),particle->Phi(),absID,vimpact);
fa911ba9 848 if(absID>=0)
0c5b726e 849 in=kTRUE;
850 return in;
851}
852//____________________________________________________________________________
853void AliEMCALGeoUtils::ImpactOnEmcal(TVector3 vtx, Double_t theta, Double_t phi,
854 Int_t & absId, TVector3 & vimpact) const
855{
856 // calculates the impact coordinates on EMCAL (centre of a tower/not on EMCAL surface)
857 // of a neutral particle
858 // emitted in the vertex vtx[3] with direction theta and phi in the ALICE global coordinate system
859
860 TVector3 p(TMath::Sin(theta)*TMath::Cos(phi),TMath::Sin(theta)*TMath::Sin(phi),TMath::Cos(theta)) ;
861
862 vimpact.SetXYZ(0,0,0);
863 absId=-1;
864 if(phi==0 || theta==0) return;
865
fa911ba9 866 TVector3 direction;
867 Double_t factor = (fIPDistance-vtx[1])/p[1];
0c5b726e 868 direction = vtx + factor*p;
869
0c5b726e 870 //from particle direction -> tower hitted
871 GetAbsCellIdFromEtaPhi(direction.Eta(),direction.Phi(),absId);
872
873 //tower absID hitted -> tower/module plane (evaluated at the center of the tower)
de39a0ff 874 Int_t nSupMod=-1, nModule=-1, nIphi=-1, nIeta=-1;
0c5b726e 875 Double_t loc[3],loc2[3],loc3[3];
876 Double_t glob[3]={},glob2[3]={},glob3[3]={};
877
878 if(!RelPosCellInSModule(absId,loc)) return;
879
880 //loc is cell center of tower
881 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
882
883 //look at 2 neighbours-s cell using nIphi={0,1} and nIeta={0,1}
53e430a3 884 Int_t nIphi2=-1,nIeta2=-1,absId2=-1,absId3=-1;
0c5b726e 885 if(nIeta==0) nIeta2=1;
886 else nIeta2=0;
887 absId2=GetAbsCellId(nSupMod,nModule,nIphi,nIeta2);
888 if(nIphi==0) nIphi2=1;
889 else nIphi2=0;
890 absId3=GetAbsCellId(nSupMod,nModule,nIphi2,nIeta);
891
892 //2nd point on emcal cell plane
893 if(!RelPosCellInSModule(absId2,loc2)) return;
894
895 //3rd point on emcal cell plane
896 if(!RelPosCellInSModule(absId3,loc3)) return;
897
a7e8255c 898 // Get Matrix
0c5b726e 899 const TGeoHMatrix* m = GetMatrixForSuperModule(nSupMod);
900 if(m) {
901 m->LocalToMaster(loc, glob);
902 m->LocalToMaster(loc2, glob2);
903 m->LocalToMaster(loc3, glob3);
904 } else {
905 AliFatal("Geo matrixes are not loaded \n") ;
906 }
907
908 //Equation of Plane from glob,glob2,glob3 (Ax+By+Cz+D=0)
909 Double_t a = glob[1]*(glob2[2]-glob3[2]) + glob2[1]*(glob3[2]-glob[2]) + glob3[1]*(glob[2]-glob2[2]);
910 Double_t b = glob[2]*(glob2[0]-glob3[0]) + glob2[2]*(glob3[0]-glob[0]) + glob3[2]*(glob[0]-glob2[0]);
911 Double_t c = glob[0]*(glob2[1]-glob3[1]) + glob2[0]*(glob3[1]-glob[1]) + glob3[0]*(glob[1]-glob2[1]);
912 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]);
913 d=-d;
914
915 //shift equation of plane from tower/module center to surface along vector (A,B,C) normal to tower/module plane
916 Double_t dist = fLongModuleSize/2.;
917 Double_t norm = TMath::Sqrt(a*a+b*b+c*c);
918 Double_t glob4[3]={};
919 TVector3 dir(a,b,c);
920 TVector3 point(glob[0],glob[1],glob[2]);
921 if(point.Dot(dir)<0) dist*=-1;
922 glob4[0]=glob[0]-dist*a/norm;
923 glob4[1]=glob[1]-dist*b/norm;
924 glob4[2]=glob[2]-dist*c/norm;
925 d = glob4[0]*a + glob4[1]*b + glob4[2]*c ;
926 d = -d;
927
928 //Line determination (2 points for equation of line : vtx and direction)
929 //impact between line (particle) and plane (module/tower plane)
930 Double_t den = a*(vtx(0)-direction(0)) + b*(vtx(1)-direction(1)) + c*(vtx(2)-direction(2));
931 if(den==0){
932 printf("ImpactOnEmcal() No solution :\n");
933 return;
934 }
935
936 Double_t length = a*vtx(0)+b*vtx(1)+c*vtx(2)+d;
937 length /=den;
938
939 vimpact.SetXYZ(vtx(0)+length*(direction(0)-vtx(0)),vtx(1)+length*(direction(1)-vtx(1)),vtx(2)+length*(direction(2)-vtx(2)));
940
941 //shift vimpact from tower/module surface to center along vector (A,B,C) normal to tower/module plane
942 vimpact.SetXYZ(vimpact(0)+dist*a/norm,vimpact(1)+dist*b/norm,vimpact(2)+dist*c/norm);
943
944 return;
945}
946
947//_____________________________________________________________________________
948Bool_t AliEMCALGeoUtils::IsInEMCAL(Double_t x, Double_t y, Double_t z) const {
949 // Checks whether point is inside the EMCal volume, used in AliEMCALv*.cxx
950 //
951 // Code uses cylindrical approximation made of inner radius (for speed)
952 //
953 // Points behind EMCAl, i.e. R > outer radius, but eta, phi in acceptance
954 // are considered to inside
955
956 Double_t r=sqrt(x*x+y*y);
957
958 if ( r > fEnvelop[0] ) {
de39a0ff 959 Double_t theta;
960 theta = TMath::ATan2(r,z);
961 Double_t eta;
962 if(theta == 0)
0c5b726e 963 eta = 9999;
964 else
965 eta = -TMath::Log(TMath::Tan(theta/2.));
966 if (eta < fArm1EtaMin || eta > fArm1EtaMax)
967 return 0;
968
969 Double_t phi = TMath::ATan2(y,x) * 180./TMath::Pi();
970 if (phi < 0) phi += 360; // phi should go from 0 to 360 in this case
971 if (phi > fArm1PhiMin && phi < fArm1PhiMax)
972 return 1;
973 }
974 return 0;
975}
976
977//________________________________________________________________________________________________
978Int_t AliEMCALGeoUtils::GetAbsTRUNumberFromNumberInSm(const Int_t row, const Int_t col, const Int_t sm) const
979{ // Nov 6, 2007
980 // Get TRU absolute number from column, row and Super Module number
981 Int_t itru = row + col*fEMCGeometry->GetNModulesInTRUPhi() + sm*fEMCGeometry->GetNTRU();
982 // printf(" GetAbsTRUNumberFromNumberInSm : row %2i col %2i sm %2i -> itru %2i\n", row, col, sm, itru);
983 return itru;
984}
985
916f1e76 986//________________________________________________________________________________________________
987Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromTRU(const Int_t iTRU, const Int_t iADC, Int_t& id) const
988{
a7e8255c 989 //Trigger mapping method, get FastOr Index from TRU
990
578f5231 991 if (iTRU > 31 || iTRU < 0 || iADC > 95 || iADC < 0)
916f1e76 992 {
993 AliError("TRU out of range!");
994 return kFALSE;
995 }
de39a0ff 996
997 id = ( iTRU % 2 ) ? iADC%4 + 4 * (23 - int(iADC/4)) : (3 - iADC%4) + 4 * int(iADC/4);
998
999 id += iTRU * 96;
916f1e76 1000
1001 return kTRUE;
1002}
1003
1004//________________________________________________________________________________________________
1005Bool_t AliEMCALGeoUtils::GetTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iADC) const
1006{
a7e8255c 1007
1008 //Trigger mapping method, get TRU number from FastOr Index
1009
916f1e76 1010 if (id > 3071 || id < 0)
1011 {
1012 AliError("Id out of range!");
1013 return kFALSE;
1014 }
1015
1016 iTRU = id / 96;
de39a0ff 1017
916f1e76 1018 iADC = id % 96;
1019
de39a0ff 1020 iADC = ( iTRU % 2 ) ? iADC%4 + 4 * (23 - int(iADC/4)) : (3 - iADC%4) + 4 * int(iADC/4);
1021
916f1e76 1022 return kTRUE;
1023}
1024
1025//________________________________________________________________________________________________
1026Bool_t AliEMCALGeoUtils::GetPositionInTRUFromAbsFastORIndex(const Int_t id, Int_t& iTRU, Int_t& iEta, Int_t& iPhi) const
1027{
a7e8255c 1028 //Trigger mapping method, get position in TRU from FasOr Index
1029
de39a0ff 1030 Int_t iADC=-1;
1031 if (!GetTRUFromAbsFastORIndex(id, iTRU, iADC)) return kFALSE;
916f1e76 1032
1033 Int_t x = iADC / 4;
1034 Int_t y = iADC % 4;
1035
de39a0ff 1036 if ( iTRU % 2 ) // C side
916f1e76 1037 {
1038 iEta = 23 - x;
1039 iPhi = y;
1040 }
de39a0ff 1041 else // A side
916f1e76 1042 {
1043 iEta = x;
1044 iPhi = 3 - y;
1045 }
1046
1047 return kTRUE;
1048}
1049
1050//________________________________________________________________________________________________
1051Bool_t AliEMCALGeoUtils::GetPositionInSMFromAbsFastORIndex(const Int_t id, Int_t& iSM, Int_t& iEta, Int_t& iPhi) const
1052{
a7e8255c 1053 //Trigger mapping method, get position in Super Module from FasOr Index
1054
de39a0ff 1055 Int_t iTRU=-1;
1056
1057 if (!GetPositionInTRUFromAbsFastORIndex(id, iTRU, iEta, iPhi)) return kFALSE;
916f1e76 1058
de39a0ff 1059 if (iTRU % 2) // C side
916f1e76 1060 {
de39a0ff 1061 iSM = 2 * ( int( int(iTRU / 2) / 3 ) ) + 1;
916f1e76 1062 }
de39a0ff 1063 else // A side
916f1e76 1064 {
de39a0ff 1065 iSM = 2 * ( int( int(iTRU / 2) / 3 ) );
916f1e76 1066 }
de39a0ff 1067
1068 iPhi += 4 * int((iTRU % 6) / 2);
916f1e76 1069
1070 return kTRUE;
1071}
1072
de39a0ff 1073//________________________________________________________________________________________________
1074Bool_t AliEMCALGeoUtils::GetPositionInEMCALFromAbsFastORIndex(const Int_t id, Int_t& iEta, Int_t& iPhi) const
1075{
578f5231 1076 //Trigger mapping method, get position in EMCAL from FastOR index
1077
de39a0ff 1078 Int_t iSM=-1;
1079
1080 if (GetPositionInSMFromAbsFastORIndex(id, iSM, iEta, iPhi))
1081 {
1082 if (iSM % 2) iEta += 24;
1083
1084 iPhi += 12 * int(iSM / 2);
1085
1086 return kTRUE;
1087 }
1088
1089 return kFALSE;
1090}
1091
916f1e76 1092//________________________________________________________________________________________________
1093Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromPositionInTRU(const Int_t iTRU, const Int_t iEta, const Int_t iPhi, Int_t& id) const
1094{
a7e8255c 1095 //Trigger mapping method, get Index if FastOr from Position in TRU
1096
de39a0ff 1097 if (iTRU < 0 || iTRU > 31 || iEta < 0 || iEta > 23 || iPhi < 0 || iPhi > 3)
1098 {
1099 AliError("Out of range!");
1100 return kFALSE;
1101 }
1102
1103 id = iPhi + 4 * iEta + iTRU * 96;
1104
1105 return kTRUE;
1106}
1107
1108//________________________________________________________________________________________________
1109Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromPositionInSM(const Int_t iSM, const Int_t iEta, const Int_t iPhi, Int_t& id) const
1110{
578f5231 1111 //Trigger mapping method, from position in SM Index get FastOR index
1112
de39a0ff 1113 if (iSM < 0 || iSM > 11 || iEta < 0 || iEta > 23 || iPhi < 0 || iPhi > 11)
1114 {
1115 AliError("Out of range!");
1116 return kFALSE;
1117 }
1118
1119 Int_t x = iEta;
1120 Int_t y = iPhi % 4;
1121
1122 Int_t iOff = (iSM % 2) ? 1 : 0;
1123 Int_t iTRU = 2 * int(iPhi / 4) + 6 * int(iSM / 2) + iOff;
1124
1125 if (GetAbsFastORIndexFromPositionInTRU(iTRU, x, y, id))
1126 {
1127 return kTRUE;
1128 }
1129
1130 return kFALSE;
1131}
1132
1133//________________________________________________________________________________________________
1134Bool_t AliEMCALGeoUtils::GetAbsFastORIndexFromPositionInEMCAL(const Int_t iEta, const Int_t iPhi, Int_t& id) const
1135{
578f5231 1136 //Trigger mapping method, from position in EMCAL Index get FastOR index
1137
de39a0ff 1138 if (iEta < 0 || iEta > 47 || iPhi < 0 || iPhi > 63 )
1139 {
1140 AliError("Out of range!");
1141 return kFALSE;
1142 }
1143
1144 if (fFastOR2DMap[iEta][iPhi] == -1)
1145 {
1146 AliError("Invalid index!");
1147 return kFALSE;
1148 }
1149
1150 id = fFastOR2DMap[iEta][iPhi];
1151
1152 return kTRUE;
1153}
1154
1155//________________________________________________________________________________________________
1156Bool_t AliEMCALGeoUtils::GetFastORIndexFromCellIndex(const Int_t id, Int_t& idx) const
1157{
578f5231 1158 //Trigger mapping method, from cell index get FastOR index
1159
de39a0ff 1160 Int_t iSupMod, nModule, nIphi, nIeta, iphim, ietam;
916f1e76 1161
de39a0ff 1162 Bool_t isOK = GetCellIndex( id, iSupMod, nModule, nIphi, nIeta );
1163
1164 GetModulePhiEtaIndexInSModule( iSupMod, nModule, iphim, ietam );
1165
1166 if (isOK && GetAbsFastORIndexFromPositionInSM(iSupMod, ietam, iphim, idx))
916f1e76 1167 {
de39a0ff 1168 return kTRUE;
916f1e76 1169 }
de39a0ff 1170
1171 return kFALSE;
1172}
1173
1174//________________________________________________________________________________________________
1175Bool_t AliEMCALGeoUtils::GetCellIndexFromFastORIndex(const Int_t id, Int_t idx[4]) const
1176{
578f5231 1177 //Trigger mapping method, from FASTOR index get cell index
1178
1179 Int_t iSM=-1, iEta=-1, iPhi=-1;
de39a0ff 1180 if (GetPositionInSMFromAbsFastORIndex(id, iSM, iEta, iPhi))
1181 {
1182 Int_t ix = 2 * iEta;
1183 Int_t iy = 2 * iPhi;
1184
1185 for (Int_t i=0; i<2; i++)
1186 {
1187 for (Int_t j=0; j<2; j++)
1188 {
1189 idx[2*i+j] = GetAbsCellIdFromCellIndexes(iSM, iy + i, ix + j);
1190 }
1191 }
1192
1193 return kTRUE;
1194 }
1195
1196 return kFALSE;
1197}
1198
1199//________________________________________________________________________________________________
1200Bool_t AliEMCALGeoUtils::GetTRUIndexFromSTUIndex(const Int_t id, Int_t& idx) const
1201{
578f5231 1202 //Trigger mapping method, from STU index get TRU index
1203
de39a0ff 1204 if (id > 31 || id < 0)
1205 {
1206 AliError(Form("TRU index out of range: %d",id));
1207 return kFALSE;
1208 }
1209
1210 idx = (id > 15) ? 2 * (31 - id) : 2 * (15 - id) + 1;
1211
1212 return kTRUE;
1213}
1214
1215//________________________________________________________________________________________________
1216Int_t AliEMCALGeoUtils::GetTRUIndexFromSTUIndex(const Int_t id) const
1217{
578f5231 1218 //Trigger mapping method, from STU index get TRU index
1219
de39a0ff 1220 if (id > 31 || id < 0)
1221 {
1222 AliError(Form("TRU index out of range: %d",id));
1223 }
1224
1225 Int_t idx = (id > 15) ? 2 * (31 - id) : 2 * (15 - id) + 1;
1226
1227 return idx;
1228}
1229
1230//________________________________________________________________________________________________
1231void AliEMCALGeoUtils::BuildFastOR2DMap()
1232{
1233 // Needed by STU
1234 for (Int_t i = 0; i < 32; i++)
1235 {
1236 for (Int_t j = 0; j < 24; j++)
1237 {
1238 for (Int_t k = 0; k < 4; k++)
1239 {
1240 Int_t id;
1241 if (GetAbsFastORIndexFromPositionInTRU(i, j, k, id))
1242 {
1243 Int_t x = j, y = k + 4 * int(i / 2);
1244
1245 if (i % 2) x += 24;
1246
1247 fFastOR2DMap[x][y] = id;
1248 }
1249 }
1250 }
1251 }
1252}
1253
1254//________________________________________________________________________________________________
1255Bool_t AliEMCALGeoUtils::GetFastORIndexFromL0Index(const Int_t iTRU, const Int_t id, Int_t idx[], const Int_t size) const
1256{
578f5231 1257 //Trigger mapping method, from L0 index get FastOR index
de39a0ff 1258 if (size <= 0 ||size > 4)
1259 {
1260 AliError("Size not supported!");
1261 return kFALSE;
1262 }
1263
1264 Int_t motif[4] = {0, 1, 4, 5};
1265
1266 switch (size)
916f1e76 1267 {
de39a0ff 1268 case 1: // Cosmic trigger
578f5231 1269 if (!GetAbsFastORIndexFromTRU(iTRU, id, idx[1])) return kFALSE;
de39a0ff 1270 break;
1271 case 4: // 4 x 4
1272 for (Int_t k = 0; k < 4; k++)
1273 {
1274 Int_t iADC = motif[k] + 4 * int(id / 3) + (id % 3);
1275
1276 if (!GetAbsFastORIndexFromTRU(iTRU, iADC, idx[k])) return kFALSE;
1277 }
1278 break;
1279 default:
1280 break;
916f1e76 1281 }
1282
1283 return kTRUE;
1284}
0c5b726e 1285
1286//____________________________________________________________________________
1287const TGeoHMatrix * AliEMCALGeoUtils::GetMatrixForSuperModule(Int_t smod) const {
a7e8255c 1288
0c5b726e 1289 //Provides shift-rotation matrix for EMCAL
1290
1291 if(smod < 0 || smod > fEMCGeometry->GetNumberOfSuperModules())
1292 AliFatal(Form("Wrong supermodule index -> %d",smod));
1293
1294 //If GeoManager exists, take matrixes from it
1295
1296 //
1297 // if(fKey110DEG && ind>=10) {
1298 // }
1299 //
1300 // if(!gGeoManager->cd(volpath.Data()))
1301 // AliFatal(Form("AliEMCALGeometry::GeoManager cannot find path %s!",volpath.Data()));
1302 //
1303 // TGeoHMatrix* m = gGeoManager->GetCurrentMatrix();
dcfd261c 1304
1305 //Use matrices set externally
1306 if(!gGeoManager || (gGeoManager && fUseExternalMatrices)){
1307 if(fkSModuleMatrix[smod]){
1308 return fkSModuleMatrix[smod] ;
1309 }
1310 else{
1311 AliInfo("Stop:");
1312 printf("\t Can not find EMCAL misalignment matrixes\n") ;
1313 printf("\t Either import TGeoManager from geometry.root or \n");
1314 printf("\t read stored matrixes from AliESD Header: \n") ;
1315 printf("\t AliEMCALGeoUtils::SetMisalMatrixes(header->GetEMCALMisalMatrix()) \n") ;
1316 abort() ;
1317 }
1318 }//external matrices
1319
0c5b726e 1320 if(gGeoManager){
7e1d9a9b 1321 const Int_t buffersize = 255;
1322 char path[buffersize] ;
1323 snprintf(path,buffersize,"/ALIC_1/XEN1_1/SMOD_%d",smod+1) ;
0c5b726e 1324 //TString volpath = "ALIC_1/XEN1_1/SMOD_";
1325 //volpath += smod+1;
1326
1327 if(fKey110DEG && smod >= 10){
7e1d9a9b 1328 snprintf(path,buffersize,"/ALIC_1/XEN1_1/SM10_%d",smod-10+1) ;
0c5b726e 1329 //volpath = "ALIC_1/XEN1_1/SM10_";
1330 //volpath += smod-10+1;
1331 }
1332 if (!gGeoManager->cd(path)){
1333 AliFatal(Form("Geo manager can not find path %s!\n",path));
1334 }
1335 return gGeoManager->GetCurrentMatrix();
1336 }
a7e8255c 1337
0c5b726e 1338 return 0 ;
1339}
1340
1341//______________________________________________________________________
1342void AliEMCALGeoUtils::GetModulePhiEtaIndexInSModuleFromTRUIndex(Int_t itru, Int_t iphitru, Int_t ietatru, Int_t &iphiSM, Int_t &ietaSM) const
1343{
1344
1345 // This method transforms the (eta,phi) index of module in a
1346 // TRU matrix into Super Module (eta,phi) index.
1347
1348 // Calculate in which row and column where the TRU are
1349 // ordered in the SM
1350
1351 Int_t col = itru/fEMCGeometry->GetNTRUPhi() ; // indexes of TRU in SM
1352 Int_t row = itru - col*fEMCGeometry->GetNTRUPhi();
1353
1354 iphiSM = fEMCGeometry->GetNModulesInTRUPhi()*row + iphitru ;
1355 ietaSM = fEMCGeometry->GetNModulesInTRUEta()*col + ietatru ;
1356 //printf(" GetModulePhiEtaIndexInSModuleFromTRUIndex : itru %2i iphitru %2i ietatru %2i iphiSM %2i ietaSM %2i \n",
1357 // itru, iphitru, ietatru, iphiSM, ietaSM);
1358}
d9b3567c 1359
1360//__________________________________________________________________________________________________________________
094786cc 1361void AliEMCALGeoUtils::RecalculateTowerPosition(Float_t drow, Float_t dcol, const Int_t sm, const Float_t depth,
1362 const Float_t misaligTransShifts[15], const Float_t misaligRotShifts[15], Float_t global[3]) const
d9b3567c 1363{ //Transform clusters cell position into global with alternative method, taking into account the depth calculation.
1364 //Input are: the tower indeces,
1365 // supermodule,
1366 // particle type (photon 0, electron 1, hadron 2 )
1367 // misalignment shifts to global position in case of need.
1368 // Federico.Ronchetti@cern.ch
0c8a2c44 1369
cf768855 1370
0c8a2c44 1371 // To use in a print later
2691ff82 1372 Float_t droworg = drow;
1373 Float_t dcolorg = dcol;
0c8a2c44 1374
d9b3567c 1375 if(gGeoManager){
1376 //Recover some stuff
7c52964e 1377
1378 const Int_t nSMod = fEMCGeometry->GetNumberOfSuperModules();
1379
094786cc 1380 gGeoManager->cd("ALIC_1/XEN1_1");
1381 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
7c52964e 1382 TGeoNodeMatrix *geoSM[nSMod];
1383 TGeoVolume *geoSMVol[nSMod];
1384 TGeoShape *geoSMShape[nSMod];
1385 TGeoBBox *geoBox[nSMod];
1386 TGeoMatrix *geoSMMatrix[nSMod];
d9b3567c 1387
7c52964e 1388 for(int iSM = 0; iSM < nSMod; iSM++) {
d9b3567c 1389 geoSM[iSM] = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
1390 geoSMVol[iSM] = geoSM[iSM]->GetVolume();
1391 geoSMShape[iSM] = geoSMVol[iSM]->GetShape();
1392 geoBox[iSM] = dynamic_cast<TGeoBBox *>(geoSMShape[iSM]);
1393 geoSMMatrix[iSM] = geoSM[iSM]->GetMatrix();
1394 }
1395
1396 if(sm % 2 == 0) {
1397 dcol = 47. - dcol;
1398 drow = 23. - drow;
1399 }
1400
d9b3567c 1401 Int_t istrip = 0;
0c8a2c44 1402 Float_t z0 = 0;
1403 Float_t zb = 0;
d9b3567c 1404 Float_t z_is = 0;
d9b3567c 1405
1406 Float_t x,y,z; // return variables in terry's RF
1407
1408 //***********************************************************
0c8a2c44 1409 //Do not like this: too many hardcoded values, is it not already stored somewhere else?
d9b3567c 1410 // : need more comments in the code
1411 //***********************************************************
1412
1413 Float_t dz = 6.0; // base cell width in eta
1414 Float_t dx = 6.004; // base cell width in phi
1415
d9b3567c 1416
1417 //Float_t L = 26.04; // active tower length for hadron (lead+scint+paper)
1418 // we use the geant numbers 13.87*2=27.74
1419 Float_t teta1 = 0.;
cf768855 1420
1421 //Do some basic checks
d9b3567c 1422 if (dcol >= 47.5 || dcol<-0.5) {
2691ff82 1423 AliError(Form("Bad tower coordinate dcol=%f, where dcol >= 47.5 || dcol<-0.5; org: %f", dcol, dcolorg));
cf768855 1424 return;
d9b3567c 1425 }
d9b3567c 1426 if (drow >= 23.5 || drow<-0.5) {
2691ff82 1427 AliError(Form("Bad tower coordinate drow=%f, where drow >= 23.5 || drow<-0.5; org: %f", drow, droworg));
cf768855 1428 return;
d9b3567c 1429 }
7c52964e 1430 if (sm >= nSMod || sm < 0) {
5c089496 1431 AliError(Form("Bad SM number sm=%d, where sm >= %d || sm < 0", nSMod, sm));
cf768855 1432 return;
1433 }
1434
d9b3567c 1435 istrip = int ((dcol+0.5)/2);
1436
1437 // tapering angle
1438 teta1 = TMath::DegToRad() * istrip * 1.5;
1439
1440 // calculation of module corner along z
1441 // as a function of strip
1442
1443 for (int is=0; is<= istrip; is++) {
1444
0c8a2c44 1445 teta1 = TMath::DegToRad() * (is*1.5 + 0.75);
1446 if(is==0)
1447 z_is = z_is + 2*dz*TMath::Cos(teta1);
1448 else
1449 z_is = z_is + 2*dz*TMath::Cos(teta1) + 2*dz*TMath::Sin(teta1)*TMath::Tan(teta1-0.75*TMath::DegToRad());
d9b3567c 1450
1451 }
1452
1453 z0 = dz*(dcol-2*istrip+0.5);
094786cc 1454 zb = (2*dz-z0-depth*TMath::Tan(teta1));
d9b3567c 1455
1456 z = z_is - zb*TMath::Cos(teta1);
094786cc 1457 y = depth/TMath::Cos(teta1) + zb*TMath::Sin(teta1);
d9b3567c 1458
1459 x = (drow + 0.5)*dx;
1460
1461 // moving the origin from terry's RF
1462 // to the GEANT one
1463
cf768855 1464 double xx = y - geoBox[sm]->GetDX();
1465 double yy = -x + geoBox[sm]->GetDY();
1466 double zz = z - geoBox[sm]->GetDZ();
d9b3567c 1467 const double localIn[3] = {xx, yy, zz};
1468 double dglobal[3];
cf768855 1469 //geoSMMatrix[sm]->Print();
1470 //printf("TFF Local (row = %d, col = %d, x = %3.2f, y = %3.2f, z = %3.2f)\n", iroworg, icolorg, localIn[0], localIn[1], localIn[2]);
1471 geoSMMatrix[sm]->LocalToMaster(localIn, dglobal);
0c8a2c44 1472 //printf("TFF Global (row = %2.0f, col = %2.0f, x = %3.2f, y = %3.2f, z = %3.2f)\n", drow, dcol, dglobal[0], dglobal[1], dglobal[2]);
d9b3567c 1473
0c8a2c44 1474 //apply global shifts
d9b3567c 1475 if(sm == 2 || sm == 3) {//sector 1
2a71e873 1476 global[0] = dglobal[0] + misaligTransShifts[3] + misaligRotShifts[3]*TMath::Sin(TMath::DegToRad()*20) ;
1477 global[1] = dglobal[1] + misaligTransShifts[4] + misaligRotShifts[4]*TMath::Cos(TMath::DegToRad()*20) ;
1478 global[2] = dglobal[2] + misaligTransShifts[5];
d9b3567c 1479 }
1480 else if(sm == 0 || sm == 1){//sector 0
2a71e873 1481 global[0] = dglobal[0] + misaligTransShifts[0];
1482 global[1] = dglobal[1] + misaligTransShifts[1];
1483 global[2] = dglobal[2] + misaligTransShifts[2];
d9b3567c 1484 }
1485 else {
1486 AliInfo("Careful, correction not implemented yet!");
1487 global[0] = dglobal[0] ;
1488 global[1] = dglobal[1] ;
1489 global[2] = dglobal[2] ;
1490 }
1491
1492
1493 }
1494 else{
1495 AliFatal("Geometry boxes information, check that geometry.root is loaded\n");
1496 }
1497
1498}