attempt to address new coverity reports for AliCalo stuff and QA checker
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALRecPoint.cxx
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ab48128d 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/* $Id$ */
16//_________________________________________________________________________
70a93198 17// Reconstructed Points for the EMCAL
18// A RecPoint is a cluster of digits
40164976 19//
20//
d64c959b 21//*-- Author: Yves Schutz (SUBATECH)
70a93198 22//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
23//*-- Author: Heather Gray (LBL) merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04
ab48128d 24
25// --- ROOT system ---
9aa6a5f6 26#include "TPad.h"
27#include "TGraph.h"
28#include "TPaveText.h"
29#include "TClonesArray.h"
30#include "TMath.h"
31#include "TGeoMatrix.h"
32#include "TGeoManager.h"
33#include "TGeoPhysicalNode.h"
25bb3dcb 34#include "TRandom.h"
ab48128d 35
36// --- Standard library ---
9aa6a5f6 37#include <Riostream.h>
ab48128d 38
39// --- AliRoot header files ---
1d59832c 40//#include "AliGenerator.h"
41class AliGenerator;
1d59832c 42class AliEMCAL;
9aa6a5f6 43#include "AliLog.h"
44#include "AliGeomManager.h"
ab48128d 45#include "AliEMCALGeometry.h"
4635df1f 46#include "AliEMCALHit.h"
ab48128d 47#include "AliEMCALDigit.h"
48#include "AliEMCALRecPoint.h"
40164976 49#include "AliCaloCalibPedestal.h"
50#include "AliEMCALGeoParams.h"
ab48128d 51
52ClassImp(AliEMCALRecPoint)
53
ab48128d 54//____________________________________________________________________________
55AliEMCALRecPoint::AliEMCALRecPoint()
9aa6a5f6 56 : AliCluster(), fGeomPtr(0),
57 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
25bb3dcb 58 fGlobPos(0,0,0),fLocPos(0,0,0),
9aa6a5f6 59 fMaxDigit(100), fMulDigit(0), fMaxTrack(200),
60 fMulTrack(0), fDigitsList(0), fTracksList(0),
61 fClusterType(-1), fCoreEnergy(0), fDispersion(0),
0be5fefb 62 fEnergyList(0), fAbsIdList(0),
0561e246 63 fTime(0.), fNExMax(0), fCoreRadius(10), //HG check this
9aa6a5f6 64 fDETracksList(0), fMulParent(0), fMaxParent(0),
65 fParentsList(0), fDEParentsList(0), fSuperModuleNumber(0),
25bb3dcb 66 fDigitIndMax(-1), fDistToBadTower(-1), fSharedCluster(kFALSE)
ab48128d 67{
68 // ctor
9aa6a5f6 69 fGeomPtr = AliEMCALGeometry::GetInstance();
70
706863b6 71 fLambda[0] = 0;
72 fLambda[1] = 0;
9aa6a5f6 73
ab48128d 74}
75
76//____________________________________________________________________________
9aa6a5f6 77AliEMCALRecPoint::AliEMCALRecPoint(const char *)
78 : AliCluster(), fGeomPtr(0),
79 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
25bb3dcb 80 fGlobPos(0,0,0), fLocPos(0,0,0),
9aa6a5f6 81 fMaxDigit(100), fMulDigit(0), fMaxTrack(1000), fMulTrack(0),
82 fDigitsList(new Int_t[fMaxDigit]), fTracksList(new Int_t[fMaxTrack]),
83 fClusterType(-1), fCoreEnergy(0), fDispersion(0),
0be5fefb 84 fEnergyList(new Float_t[fMaxDigit]),
0561e246 85 fAbsIdList(new Int_t[fMaxDigit]), fTime(-1.), fNExMax(0), fCoreRadius(10),
9aa6a5f6 86 fDETracksList(new Float_t[fMaxTrack]), fMulParent(0), fMaxParent(1000),
87 fParentsList(new Int_t[fMaxParent]), fDEParentsList(new Float_t[fMaxParent]),
25bb3dcb 88 fSuperModuleNumber(0), fDigitIndMax(-1), fDistToBadTower(-1),fSharedCluster(kFALSE)
ab48128d 89{
90 // ctor
af5bdd85 91 for (Int_t i = 0; i < fMaxTrack; i++)
92 fDETracksList[i] = 0;
94478418 93 for (Int_t i = 0; i < fMaxParent; i++) {
94 fParentsList[i] = -1;
af5bdd85 95 fDEParentsList[i] = 0;
94478418 96 }
18a21c7c 97
9aa6a5f6 98 fGeomPtr = AliEMCALGeometry::GetInstance();
706863b6 99 fLambda[0] = 0;
100 fLambda[1] = 0;
70a93198 101}
18a21c7c 102
70a93198 103//____________________________________________________________________________
18a21c7c 104AliEMCALRecPoint::AliEMCALRecPoint(const AliEMCALRecPoint & rp)
9aa6a5f6 105 : AliCluster(rp), fGeomPtr(rp.fGeomPtr),
106 fAmp(rp.fAmp), fIndexInList(rp.fIndexInList),
25bb3dcb 107 fGlobPos(rp.fGlobPos),fLocPos(rp.fLocPos),
9aa6a5f6 108 fMaxDigit(rp.fMaxDigit), fMulDigit(rp.fMulDigit),
109 fMaxTrack(rp.fMaxTrack), fMulTrack(rp.fMaxTrack),
110 fDigitsList(new Int_t[rp.fMaxDigit]), fTracksList(new Int_t[rp.fMaxTrack]),
111 fClusterType(rp.fClusterType), fCoreEnergy(rp.fCoreEnergy),
18a21c7c 112 fDispersion(rp.fDispersion),
0be5fefb 113 fEnergyList(new Float_t[rp.fMaxDigit]),
0561e246 114 fAbsIdList(new Int_t[rp.fMaxDigit]), fTime(rp.fTime), fNExMax(rp.fNExMax),fCoreRadius(rp.fCoreRadius),
9aa6a5f6 115 fDETracksList(new Float_t[rp.fMaxTrack]), fMulParent(rp.fMulParent),
116 fMaxParent(rp.fMaxParent), fParentsList(new Int_t[rp.fMaxParent]),
117 fDEParentsList(new Float_t[rp.fMaxParent]),
40164976 118 fSuperModuleNumber(rp.fSuperModuleNumber), fDigitIndMax(rp.fDigitIndMax),
25bb3dcb 119 fDistToBadTower(rp.fDistToBadTower), fSharedCluster(rp.fSharedCluster)
0a4cb131 120{
121 //copy ctor
0a4cb131 122 fLambda[0] = rp.fLambda[0];
123 fLambda[1] = rp.fLambda[1];
18a21c7c 124
0a4cb131 125 for(Int_t i = 0; i < rp.fMulDigit; i++) {
126 fEnergyList[i] = rp.fEnergyList[i];
0be5fefb 127 fAbsIdList[i] = rp.fAbsIdList[i];
0a4cb131 128 }
9aa6a5f6 129
af5bdd85 130 for(Int_t i = 0; i < rp.fMulTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
9aa6a5f6 131
132 for(Int_t i = 0; i < rp.fMulParent; i++) {
133 fParentsList[i] = rp.fParentsList[i];
134 fDEParentsList[i] = rp.fDEParentsList[i];
135 }
0a4cb131 136
137}
138//____________________________________________________________________________
70a93198 139AliEMCALRecPoint::~AliEMCALRecPoint()
140{
141 // dtor
142 if ( fEnergyList )
143 delete[] fEnergyList ;
e52475ed 144 if ( fAbsIdList )
145 delete[] fAbsIdList ;
af5bdd85 146 if ( fDETracksList)
147 delete[] fDETracksList;
87cdc3be 148 if ( fParentsList)
149 delete[] fParentsList;
af5bdd85 150 if ( fDEParentsList)
151 delete[] fDEParentsList;
25bb3dcb 152
9aa6a5f6 153 delete [] fDigitsList ;
154 delete [] fTracksList ;
155}
156
157//____________________________________________________________________________
158AliEMCALRecPoint& AliEMCALRecPoint::operator= (const AliEMCALRecPoint &rp)
159{
37890aaf 160 // assignment operator
161
9aa6a5f6 162 if(&rp == this) return *this;
163
0bd264d5 164 fGeomPtr = rp.fGeomPtr;
165 fAmp = rp.fAmp;
9aa6a5f6 166 fIndexInList = rp.fIndexInList;
0bd264d5 167 fGlobPos = rp.fGlobPos;
168 fLocPos = rp.fLocPos;
169 fMaxDigit = rp.fMaxDigit;
170 fMulDigit = rp.fMulDigit;
171 fMaxTrack = rp.fMaxTrack;
172 fMulTrack = rp.fMulTrack;
173
174 if(fDigitsList) delete [] fDigitsList;
175 fDigitsList = new Int_t[rp.fMaxDigit];
176 if(fTracksList) delete [] fTracksList;
177 fTracksList = new Int_t[rp.fMaxTrack];
9aa6a5f6 178 for(Int_t i = 0; i<fMaxDigit; i++) fDigitsList[i] = rp.fDigitsList[i];
179 for(Int_t i = 0; i<fMaxTrack; i++) fTracksList[i] = rp.fTracksList[i];
0bd264d5 180
9aa6a5f6 181 fClusterType = rp.fClusterType;
6ce4e2ed 182 fCoreEnergy = rp.fCoreEnergy;
183 fDispersion = rp.fDispersion;
0bd264d5 184
185
186 if(fEnergyList) delete [] fEnergyList;
187 fEnergyList = new Float_t[rp.fMaxDigit];
188 if(fAbsIdList) delete [] fAbsIdList;
189 fAbsIdList = new Int_t[rp.fMaxDigit];
9aa6a5f6 190 for(Int_t i = 0; i<fMaxDigit; i++) {
191 fEnergyList[i] = rp.fEnergyList[i];
6ce4e2ed 192 fAbsIdList[i] = rp.fAbsIdList[i];
9aa6a5f6 193 }
0bd264d5 194
195 fTime = rp.fTime;
196 fNExMax = rp.fNExMax;
9aa6a5f6 197 fCoreRadius = rp.fCoreRadius;
0bd264d5 198
199 if(fDETracksList) delete [] fDETracksList;
200 fDETracksList = new Float_t[rp.fMaxTrack];
9aa6a5f6 201 for(Int_t i = 0; i < fMaxTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
0bd264d5 202
9aa6a5f6 203 fMulParent = rp.fMulParent;
204 fMaxParent = rp.fMaxParent;
0bd264d5 205
206 if(fParentsList) delete [] fParentsList;
207 fParentsList = new Int_t[rp.fMaxParent];
208 if(fDEParentsList) delete [] fDEParentsList;
209 fDEParentsList = new Float_t[rp.fMaxParent];
9aa6a5f6 210 for(Int_t i = 0; i < fMaxParent; i++) {
0bd264d5 211 fParentsList[i] = rp.fParentsList[i];
9aa6a5f6 212 fDEParentsList[i] = rp.fDEParentsList[i];
213 }
0bd264d5 214
9aa6a5f6 215 fSuperModuleNumber = rp.fSuperModuleNumber;
0bd264d5 216 fDigitIndMax = rp.fDigitIndMax;
9aa6a5f6 217
218 fLambda[0] = rp.fLambda[0];
219 fLambda[1] = rp.fLambda[1];
40164976 220
221 fDistToBadTower = rp.fDistToBadTower;
25bb3dcb 222 fSharedCluster = rp.fSharedCluster;
40164976 223
9aa6a5f6 224 return *this;
225
70a93198 226}
227
228//____________________________________________________________________________
783153ff 229void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, const Float_t energy, const Bool_t shared)
70a93198 230{
231 // Adds a digit to the RecPoint
232 // and accumulates the total amplitude and the multiplicity
233
234 if(fEnergyList == 0)
235 fEnergyList = new Float_t[fMaxDigit];
0be5fefb 236
e52475ed 237 if(fAbsIdList == 0) {
783153ff 238 fAbsIdList = new Int_t [fMaxDigit];
e52475ed 239 }
70a93198 240
241 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
242 fMaxDigit*=2 ;
783153ff 243 Int_t * tempo = new Int_t [fMaxDigit];
6ce4e2ed 244 Float_t * tempoE = new Float_t[fMaxDigit];
783153ff 245 Int_t * tempoId = new Int_t [fMaxDigit];
70a93198 246
247 Int_t index ;
248 for ( index = 0 ; index < fMulDigit ; index++ ){
783153ff 249 tempo [index] = fDigitsList[index] ;
250 tempoE [index] = fEnergyList[index] ;
783153ff 251 tempoId[index] = fAbsIdList [index] ;
70a93198 252 }
253
94478418 254 delete [] fDigitsList ;
70a93198 255 delete [] fEnergyList ;
e52475ed 256 delete [] fAbsIdList ;
e52475ed 257
94478418 258 fDigitsList = tempo;
259 fEnergyList = tempoE;
6ce4e2ed 260 fAbsIdList = tempoId;
70a93198 261 } // if
262
263 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
6ce4e2ed 264 fEnergyList[fMulDigit] = energy ;
783153ff 265 fAbsIdList [fMulDigit] = digit.GetId();
70a93198 266 fMulDigit++ ;
6ce4e2ed 267 fAmp += energy ;
25bb3dcb 268
269 if(shared) fSharedCluster = kTRUE;
70a93198 270}
271//____________________________________________________________________________
272Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const
273{
274 // Tells if (true) or not (false) two digits are neighbours
275 // A neighbour is defined as being two digits which share a corner
25bb3dcb 276 // ONLY USED IN CASE OF UNFOLDING
277
47583f1b 278 Bool_t areNeighbours = kFALSE ;
279 Int_t nSupMod=0, nModule=0, nIphi=0, nIeta=0;
280 Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0;
281 Int_t relid1[2] , relid2[2] ; // ieta, iphi
282 Int_t rowdiff=0, coldiff=0;
70a93198 283
e52475ed 284 areNeighbours = kFALSE ;
285
2bb3725c 286 fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nModule,nIphi,nIeta);
287 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, relid1[0],relid1[1]);
e52475ed 288
2bb3725c 289 fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
290 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, relid2[0],relid2[1]);
70a93198 291
25bb3dcb 292 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2-1
293 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
294 if(fSharedCluster){
295 if(nSupMod1%2) relid1[1]+=AliEMCALGeoParams::fgkEMCALCols;
296 else relid2[1]+=AliEMCALGeoParams::fgkEMCALCols;
297 }
298
e52475ed 299 rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
300 coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
70a93198 301
302 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
e52475ed 303 areNeighbours = kTRUE ;
ab48128d 304
70a93198 305 return areNeighbours;
306}
307
308//____________________________________________________________________________
309Int_t AliEMCALRecPoint::Compare(const TObject * obj) const
310{
311 // Compares two RecPoints according to their position in the EMCAL modules
312
25bb3dcb 313 Float_t delta = 1 ; //Width of "Sorting row".
314
53e430a3 315 Int_t rv = 2 ;
70a93198 316
317 AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ;
318
319 TVector3 locpos1;
320 GetLocalPosition(locpos1);
321 TVector3 locpos2;
322 clu->GetLocalPosition(locpos2);
323
9848d950 324 Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ;
70a93198 325 if (rowdif> 0)
326 rv = 1 ;
327 else if(rowdif < 0)
328 rv = -1 ;
329 else if(locpos1.Y()>locpos2.Y())
330 rv = -1 ;
331 else
332 rv = 1 ;
333
334 return rv ;
ab48128d 335}
336
ab48128d 337//___________________________________________________________________________
338 void AliEMCALRecPoint::Draw(Option_t *option)
339 {
340 // Draw this AliEMCALRecPoint with its current attributes
341
342 AppendPad(option);
343 }
344
70a93198 345//____________________________________________________________________________
0d0d6b98 346void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits, const Bool_t justClusters)
70a93198 347{
25bb3dcb 348 // Evaluates cluster parameters
349
350 // First calculate the index of digit with maximum amplitude and get
351 // the supermodule number where it sits.
6ce4e2ed 352
25bb3dcb 353 fDigitIndMax = GetMaximalEnergyIndex();
354 fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(GetAbsIdMaxDigit());
355
356 //Evaluate global and local position
357 EvalGlobalPosition(logWeight, digits) ;
70a93198 358 EvalLocalPosition(logWeight, digits) ;
25bb3dcb 359
360 //Evaluate shower parameters
70a93198 361 EvalElipsAxis(logWeight, digits) ;
362 EvalDispersion(logWeight, digits) ;
25bb3dcb 363
4635df1f 364 //EvalCoreEnergy(logWeight, digits);
70a93198 365 EvalTime(digits) ;
87cdc3be 366 EvalPrimaries(digits) ;
367 EvalParents(digits);
40164976 368
9aa6a5f6 369 //Called last because it sets the global position of the cluster?
0d0d6b98 370 //Do not call it when recalculating clusters out of standard reconstruction
92d9f317 371 if(!justClusters){
92d9f317 372 EvalLocal2TrackingCSTransform();
373 }
9aa6a5f6 374
70a93198 375}
376
377//____________________________________________________________________________
378void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
379{
380 // Calculates the dispersion of the shower at the origin of the RecPoint
1d46d1f6 381 // in cell units - Nov 16,2006
70a93198 382
1d46d1f6 383 Double_t d = 0., wtot = 0., w = 0.;
af5bdd85 384 Int_t iDigit=0, nstat=0;
53e430a3 385 AliEMCALDigit * digit=0;
25bb3dcb 386
1d46d1f6 387 // Calculates the dispersion in cell units
388 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
2bb3725c 389 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 390 int iphi=0, ieta=0;
391 // Calculate mean values
70a93198 392 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
393 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1963b290 394
1d46d1f6 395 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 396 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
397 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 398
399 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
400 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
401 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
402
1d46d1f6 403 etai=(Double_t)ieta;
404 phii=(Double_t)iphi;
405 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
406
407 if(w>0.0) {
408 phiMean += phii*w;
409 etaMean += etai*w;
410 wtot += w;
411 }
412 }
413 }
414 if (wtot>0) {
415 phiMean /= wtot ;
416 etaMean /= wtot ;
417 } else AliError(Form("Wrong weight %f\n", wtot));
70a93198 418
1d46d1f6 419 // Calculate dispersion
420 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
421 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
422
423 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 424 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
425 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 426
427 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
428 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
429 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
430
1d46d1f6 431 etai=(Double_t)ieta;
432 phii=(Double_t)iphi;
433 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
434
435 if(w>0.0) {
436 nstat++;
437 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
e52475ed 438 }
439 }
ab48128d 440 }
70a93198 441
e52475ed 442 if ( wtot > 0 && nstat>1) d /= wtot ;
443 else d = 0. ;
70a93198 444
445 fDispersion = TMath::Sqrt(d) ;
25bb3dcb 446 //printf("AliEMCALRecPoint::EvalDispersion() : Dispersion %f \n",fDispersion);
ab48128d 447}
70a93198 448
ab48128d 449//____________________________________________________________________________
40164976 450void AliEMCALRecPoint::EvalDistanceToBadChannels(AliCaloCalibPedestal* caloped)
451{
73a654fc 452 //For each EMC rec. point set the distance to the nearest bad channel.
453 //AliInfo(Form("%d bad channel(s) found.\n", caloped->GetDeadTowerCount()));
2ebdefe6 454 //It is done in cell units and not in global or local position as before (Sept 2010)
73a654fc 455
456 if(!caloped->GetDeadTowerCount()) return;
457
458 //Get channels map of the supermodule where the cluster is.
459 TH2D* hMap = caloped->GetDeadMap(fSuperModuleNumber);
460
2ebdefe6 461 Int_t dRrow, dReta;
73a654fc 462 Float_t minDist = 10000.;
463 Float_t dist = 0.;
2ebdefe6 464 Int_t nSupMod, nModule;
465 Int_t nIphi, nIeta;
466 Int_t iphi, ieta;
467 fDigitIndMax = GetMaximalEnergyIndex();
468 fGeomPtr->GetCellIndex(fAbsIdList[fDigitIndMax], nSupMod,nModule,nIphi,nIeta);
469 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
2ebdefe6 470
471 //Loop on tower status map
73a654fc 472 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
473 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
474 //Check if tower is bad.
475 if(hMap->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
2ebdefe6 476 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
73a654fc 477
2ebdefe6 478 dRrow=TMath::Abs(irow-iphi);
479 dReta=TMath::Abs(icol-ieta);
480 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
73a654fc 481 if(dist < minDist) minDist = dist;
2ebdefe6 482
73a654fc 483 }
484 }
2ebdefe6 485
73a654fc 486 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
487 if (fSharedCluster) {
488 TH2D* hMap2 = 0;
489 Int_t nSupMod2 = -1;
2ebdefe6 490
73a654fc 491 //The only possible combinations are (0,1), (2,3) ... (10,11)
492 if(fSuperModuleNumber%2) nSupMod2 = fSuperModuleNumber-1;
493 else nSupMod2 = fSuperModuleNumber+1;
494 hMap2 = caloped->GetDeadMap(nSupMod2);
495
496 //Loop on tower status map of second super module
497 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
498 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
499 //Check if tower is bad.
500 if(hMap2->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
501 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
2ebdefe6 502 dRrow=TMath::Abs(irow-iphi);
73a654fc 503
2ebdefe6 504 if(fSuperModuleNumber%2) {
73a654fc 505 dReta=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+ieta));
506 }
507 else {
508 dReta=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-ieta);
509 }
2ebdefe6 510
73a654fc 511 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
2ebdefe6 512 if(dist < minDist) minDist = dist;
e93968a8 513
73a654fc 514 }
515 }
516
517 }// shared cluster in 2 SuperModules
518
519 fDistToBadTower = minDist;
520 //printf("AliEMCALRecPoint::EvalDistanceToBadChannel() - Distance to Bad is %f cm, shared cluster? %d \n",fDistToBadTower,fSharedCluster);
40164976 521}
522
523
524//____________________________________________________________________________
70a93198 525void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
88cb7938 526{
73a654fc 527 // Calculates the center of gravity in the local EMCAL-module coordinates
528 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
529
530 AliEMCALDigit * digit=0;
531 Int_t i=0, nstat=0;
532
533 Double_t dist = TmaxInCm(Double_t(fAmp));
534 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
535
536 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
537
538 //printf(" dist : %f e : %f \n", dist, fAmp);
539 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
540 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
541
2ebdefe6 542 if(!digit) {
543 AliError("No Digit!!");
544 continue;
545 }
546
73a654fc 547 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
548
549 //Temporal patch, due to mapping problem, need to swap "y" in one of the 2 SM, although no effect in position calculation. GCB 05/2010
550 if(fSharedCluster && fSuperModuleNumber != fGeomPtr->GetSuperModuleNumber(digit->GetId())) xyzi[1]*=-1;
551
552 //printf("EvalLocalPosition Cell: Id %i, SM %i : dist %f Local x,y,z %f %f %f \n",
553 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()), dist, xyzi[0], xyzi[1], xyzi[2]);
554
555 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
556 else w = fEnergyList[iDigit]; // just energy
557
558 if(w>0.0) {
559 wtot += w ;
560 nstat++;
561 for(i=0; i<3; i++ ) {
562 clXYZ[i] += (w*xyzi[i]);
563 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
564 }
565 }
566 }
567 // cout << " wtot " << wtot << endl;
568 if ( wtot > 0 ) {
569 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
570 for(i=0; i<3; i++ ) {
571 clXYZ[i] /= wtot;
572 if(nstat>1) {
573 clRmsXYZ[i] /= (wtot*wtot);
574 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
575 if(clRmsXYZ[i] > 0.0) {
576 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
577 } else clRmsXYZ[i] = 0;
578 } else clRmsXYZ[i] = 0;
579 }
580 } else {
581 for(i=0; i<3; i++ ) {
582 clXYZ[i] = clRmsXYZ[i] = -1.;
583 }
584 }
73a654fc 585
586 // // Cluster of one single digit, smear the position to avoid discrete position
587 // // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
588 // // Rndm generates a number in ]0,1]
589 // if (fMulDigit==1) {
590 // clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
591 // clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
592 // }
593
594 //Set position in local vector
595 fLocPos.SetX(clXYZ[0]);
596 fLocPos.SetY(clXYZ[1]);
597 fLocPos.SetZ(clXYZ[2]);
598
599 if (gDebug==2)
600 printf("EvalLocalPosition Cluster: Local (x,y,z) = (%f,%f,%f) \n", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
601
25bb3dcb 602}
603
604
605//____________________________________________________________________________
606void AliEMCALRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
607{
608 // Calculates the center of gravity in the global ALICE coordinates
e52475ed 609 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
70a93198 610
53e430a3 611 AliEMCALDigit * digit=0;
25bb3dcb 612 Int_t i=0, nstat=0;
613
47583f1b 614 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 615 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
616
617 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, lxyzi[3], xyzi[3], wtot=0., w=0.;
70a93198 618
1ae500a2 619 //printf(" dist : %f e : %f \n", dist, fAmp);
e52475ed 620 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 621 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
e52475ed 622
2ebdefe6 623 if(!digit) {
624 AliError("No Digit!!");
625 continue;
626 }
627
25bb3dcb 628 //Get the local coordinates of the cell
25bb3dcb 629 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, lxyzi[0], lxyzi[1], lxyzi[2]);
630
631 //Now get the global coordinate
632 fGeomPtr->GetGlobal(lxyzi,xyzi, fGeomPtr->GetSuperModuleNumber(digit->GetId()));
633 //TVector3 pos(xyzi[0], xyzi[1], xyzi[2]);
634 //printf("EvalGlobalPosition Cell: Id %i, SM %i : dist %f Local (x,y,z) = (%f %f %f), eta %f, phi%f \n",
635 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()),dist, xyzi[0], xyzi[1], xyzi[2],pos.Eta(),pos.Phi()*TMath::RadToDeg());
636
af5bdd85 637 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
638 else w = fEnergyList[iDigit]; // just energy
ab48128d 639
e52475ed 640 if(w>0.0) {
641 wtot += w ;
642 nstat++;
643 for(i=0; i<3; i++ ) {
644 clXYZ[i] += (w*xyzi[i]);
645 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
646 }
647 }
648 }
649 // cout << " wtot " << wtot << endl;
70a93198 650 if ( wtot > 0 ) {
e52475ed 651 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
652 for(i=0; i<3; i++ ) {
653 clXYZ[i] /= wtot;
654 if(nstat>1) {
655 clRmsXYZ[i] /= (wtot*wtot);
656 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
657 if(clRmsXYZ[i] > 0.0) {
658 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
659 } else clRmsXYZ[i] = 0;
660 } else clRmsXYZ[i] = 0;
661 }
70a93198 662 } else {
e52475ed 663 for(i=0; i<3; i++ ) {
664 clXYZ[i] = clRmsXYZ[i] = -1.;
665 }
70a93198 666 }
25bb3dcb 667
668// // Cluster of one single digit, smear the position to avoid discrete position
669// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
670// // Rndm generates a number in ]0,1]
671// if (fMulDigit==1) {
672// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
673// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
674// }
675
676 //Set position in global vector
677 fGlobPos.SetX(clXYZ[0]);
678 fGlobPos.SetY(clXYZ[1]);
679 fGlobPos.SetZ(clXYZ[2]);
680
681 if (gDebug==2)
682 printf("EvalGlobalPosition Cluster: (x ,y ,z) = (%f,%f,%f), eta %f,phi %f\n",
683 fGlobPos.X(), fGlobPos.Y(), fGlobPos.Z(),fGlobPos.Eta(),fGlobPos.Phi()*TMath::RadToDeg()) ;
ab48128d 684}
685
1ae500a2 686//____________________________________________________________________________
687void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
688Double_t phiSlope, TClonesArray * digits)
689{
47583f1b 690 // Evaluates local position of clusters in SM
691
692 Double_t ycorr=0;
693 AliEMCALDigit *digit=0;
25bb3dcb 694 Int_t i=0, nstat=0;
1ae500a2 695 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
696
47583f1b 697 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 698 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
699
1ae500a2 700 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
701 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
a51e676d 702 if(digit){
703 dist = deff;
704 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
705 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
706
707 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
708 else w = fEnergyList[iDigit]; // just energy
709
710 if(w>0.0) {
711 wtot += w ;
712 nstat++;
713 for(i=0; i<3; i++ ) {
714 clXYZ[i] += (w*xyzi[i]);
715 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
716 }
1ae500a2 717 }
a51e676d 718 }else AliError("Digit null");
719 }//loop
1ae500a2 720 // cout << " wtot " << wtot << endl;
721 if ( wtot > 0 ) {
722 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
723 for(i=0; i<3; i++ ) {
724 clXYZ[i] /= wtot;
725 if(nstat>1) {
726 clRmsXYZ[i] /= (wtot*wtot);
727 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
728 if(clRmsXYZ[i] > 0.0) {
729 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
730 } else clRmsXYZ[i] = 0;
731 } else clRmsXYZ[i] = 0;
732 }
733 } else {
734 for(i=0; i<3; i++ ) {
735 clXYZ[i] = clRmsXYZ[i] = -1.;
736 }
737 }
738 // clRmsXYZ[i] ??
739 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
740 // Correction in phi direction (y - coords here); Aug 16;
741 // May be put to global level or seperate method
742 ycorr = clXYZ[1] * (1. + phiSlope);
743 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
744 clXYZ[1] = ycorr;
745 }
25bb3dcb 746
1ae500a2 747 fLocPos.SetX(clXYZ[0]);
748 fLocPos.SetY(clXYZ[1]);
749 fLocPos.SetZ(clXYZ[2]);
750
751// if (gDebug==2)
752// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
1ae500a2 753}
754
9aa6a5f6 755//_____________________________________________________________________________
1ae500a2 756Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
757{
758 // Evaluated local position of rec.point using digits
759 // and parametrisation of w0 and deff
760 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
761 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
762}
763
9aa6a5f6 764//_____________________________________________________________________________
1ae500a2 765Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
766{
767 // Used when digits should be recalibrated
47583f1b 768 Double_t deff=0, w0=0, esum=0;
769 Int_t iDigit=0;
770 // AliEMCALDigit *digit;
1ae500a2 771
772 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
773
774 // Calculate sum energy of digits
775 esum = 0.0;
776 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
777
778 GetDeffW0(esum, deff, w0);
779
780 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
781}
782
9aa6a5f6 783//_____________________________________________________________________________
784Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
1ae500a2 785{
40164976 786 //Evaluate position of digits in supermodule.
47583f1b 787 AliEMCALDigit *digit=0;
1ae500a2 788
25bb3dcb 789 Int_t i=0, nstat=0;
1ae500a2 790 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
25bb3dcb 791 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
792
9aa6a5f6 793 // Get pointer to EMCAL geometry
794 // (can't use fGeomPtr in static method)
795 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
796
1ae500a2 797 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
798 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
a51e676d 799 if(digit){
800 //geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
801 geo->RelPosCellInSModule(digit->GetId(), deff, xyzi[0], xyzi[1], xyzi[2]);
802
803 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
804 else w = ed[iDigit]; // just energy
805
806 if(w>0.0) {
807 wtot += w ;
808 nstat++;
809 for(i=0; i<3; i++ ) {
810 clXYZ[i] += (w*xyzi[i]);
811 }
1ae500a2 812 }
a51e676d 813 }else AliError("Digit null");
814 }//loop
1ae500a2 815 // cout << " wtot " << wtot << endl;
816 if (wtot > 0) {
817 for(i=0; i<3; i++ ) {
818 clXYZ[i] /= wtot;
819 }
820 locPos.SetX(clXYZ[0]);
821 locPos.SetY(clXYZ[1]);
822 locPos.SetZ(clXYZ[2]);
823 return kTRUE;
824 } else {
825 return kFALSE;
826 }
827
828}
829
9aa6a5f6 830//_____________________________________________________________________________
1ae500a2 831void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
832{
833 //
834 // Aug 31, 2001
835 // Applied for simulation data with threshold 3 adc
836 // Calculate efective distance (deff) and weigh parameter (w0)
837 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
838 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
839 //
47583f1b 840 Double_t e=0.0;
37890aaf 841 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
842 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
1ae500a2 843
844 // No extrapolation here
845 e = esum<0.5?0.5:esum;
846 e = e>100.?100.:e;
847
37890aaf 848 deff = kdp0 + kdp1*TMath::Log(e);
849 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
1ae500a2 850 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
851}
e52475ed 852
70a93198 853//______________________________________________________________________________
854void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
855{
856 // This function calculates energy in the core,
4635df1f 857 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
70a93198 858 // in accordance with shower profile the energy deposition
859 // should be less than 2%
1d46d1f6 860 // Unfinished - Nov 15,2006
861 // Distance is calculate in (phi,eta) units
70a93198 862
53e430a3 863 AliEMCALDigit * digit = 0 ;
5dee926e 864
53e430a3 865 Int_t iDigit=0;
70a93198 866
e52475ed 867 if (!fLocPos.Mag()) {
70a93198 868 EvalLocalPosition(logWeight, digits);
869 }
870
1d46d1f6 871 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
872 Double_t eta, phi, distance;
70a93198 873 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
874 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
4635df1f 875
1d46d1f6 876 eta = phi = 0.0;
877 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
878 phi = phi * TMath::DegToRad();
70a93198 879
1d46d1f6 880 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
70a93198 881 if(distance < fCoreRadius)
882 fCoreEnergy += fEnergyList[iDigit] ;
883 }
884
885}
ab48128d 886//____________________________________________________________________________
70a93198 887void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
ab48128d 888{
70a93198 889 // Calculates the axis of the shower ellipsoid in eta and phi
1d46d1f6 890 // in cell units
ab48128d 891
47583f1b 892 TString gn(fGeomPtr->GetName());
1d46d1f6 893
894 Double_t wtot = 0.;
70a93198 895 Double_t x = 0.;
896 Double_t z = 0.;
897 Double_t dxx = 0.;
898 Double_t dzz = 0.;
899 Double_t dxz = 0.;
ab48128d 900
1d46d1f6 901 AliEMCALDigit * digit = 0;
25bb3dcb 902
53e430a3 903 Double_t etai =0, phii=0, w=0;
2bb3725c 904 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 905 int iphi=0, ieta=0;
906 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 907 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1d46d1f6 908 etai = phii = 0.;
1d46d1f6 909 // Nov 15,2006 - use cell numbers as coordinates
910 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
911 // We can use the eta,phi(or coordinates) of cell
dc77cc84 912 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
1d46d1f6 913
dc77cc84 914 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
915 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 916
917 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
918 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
919 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
920
dc77cc84 921 etai=(Double_t)ieta;
922 phii=(Double_t)iphi;
25bb3dcb 923
1d46d1f6 924 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
925 // fAmp summed amplitude of digits, i.e. energy of recpoint
926 // Gives smaller value of lambda than log weight
927 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
ff1e7e2f 928
70a93198 929 dxx += w * etai * etai ;
930 x += w * etai ;
931 dzz += w * phii * phii ;
932 z += w * phii ;
1963b290 933
ff1e7e2f 934 dxz += w * etai * phii ;
1963b290 935
70a93198 936 wtot += w ;
937 }
ff1e7e2f 938
70a93198 939 if ( wtot > 0 ) {
940 dxx /= wtot ;
941 x /= wtot ;
942 dxx -= x * x ;
943 dzz /= wtot ;
944 z /= wtot ;
945 dzz -= z * z ;
946 dxz /= wtot ;
947 dxz -= x * z ;
ab48128d 948
70a93198 949 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
950 if(fLambda[0] > 0)
951 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
952 else
953 fLambda[0] = 0;
954
955 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
ff1e7e2f 956
70a93198 957 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
958 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
959 else
960 fLambda[1]= 0. ;
961 } else {
962 fLambda[0]= 0. ;
963 fLambda[1]= 0. ;
ab48128d 964 }
ff1e7e2f 965
25bb3dcb 966 //printf("AliEMCALRecPoint::EvalElipsAxis() lambdas = %f,%f \n", fLambda[0],fLambda[1]) ;
ff1e7e2f 967
ab48128d 968}
969
970//______________________________________________________________________________
971void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
972{
af5bdd85 973 // Constructs the list of primary particles (tracks) which
974 // have contributed to this RecPoint and calculate deposited energy
975 // for each track
73a654fc 976
53e430a3 977 AliEMCALDigit * digit =0;
af5bdd85 978 Int_t * primArray = new Int_t[fMaxTrack] ;
7f3091e7 979 memset(primArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 980 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
7f3091e7 981 memset(dEPrimArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 982
ab48128d 983 Int_t index ;
984 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
985 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 986 if(!digit) {
987 AliError("No Digit!!");
988 continue;
989 }
990
ab48128d 991 Int_t nprimaries = digit->GetNprimary() ;
5c0368b8 992 if ( nprimaries == 0 ) continue ;
ab48128d 993 Int_t jndex ;
994 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
995 if ( fMulTrack > fMaxTrack ) {
2ebdefe6 996 fMulTrack = fMaxTrack ;
997 Error("EvalPrimaries", "increase fMaxTrack ") ;
998 break ;
ab48128d 999 }
af5bdd85 1000 Int_t newPrimary = digit->GetPrimary(jndex+1);
1001 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
ab48128d 1002 Int_t kndex ;
1003 Bool_t already = kFALSE ;
1004 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
2ebdefe6 1005 if ( newPrimary == primArray[kndex] ){
1006 already = kTRUE ;
1007 dEPrimArray[kndex] += dEPrimary;
1008 break ;
1009 }
ab48128d 1010 } // end of check
5c0368b8 1011 if ( !already && (fMulTrack < fMaxTrack)) { // store it
2ebdefe6 1012 primArray[fMulTrack] = newPrimary ;
1013 dEPrimArray[fMulTrack] = dEPrimary ;
1014 fMulTrack++ ;
ab48128d 1015 } // store it
1016 } // all primaries in digit
ab48128d 1017 } // all digits
2ebdefe6 1018
af5bdd85 1019 Int_t *sortIdx = new Int_t[fMulTrack];
1020 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
1021 for(index = 0; index < fMulTrack; index++) {
1022 fTracksList[index] = primArray[sortIdx[index]] ;
1023 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
1024 }
1025 delete [] sortIdx;
1026 delete [] primArray ;
1027 delete [] dEPrimArray ;
2ebdefe6 1028
ab48128d 1029}
7ee5c5be 1030
87cdc3be 1031//______________________________________________________________________________
1032void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
1033{
1034 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
73a654fc 1035
53e430a3 1036 AliEMCALDigit * digit=0 ;
af5bdd85 1037 Int_t * parentArray = new Int_t[fMaxTrack] ;
7f3091e7 1038 memset(parentArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1039 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
7f3091e7 1040 memset(dEParentArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1041
87cdc3be 1042 Int_t index ;
1043 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
94478418 1044 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
2ebdefe6 1045 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
87cdc3be 1046 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1047 if(!digit) {
1048 AliError("No Digit!!");
1049 continue;
1050 }
1051
87cdc3be 1052 Int_t nparents = digit->GetNiparent() ;
5c0368b8 1053 if ( nparents == 0 ) continue ;
2ebdefe6 1054
87cdc3be 1055 Int_t jndex ;
1056 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
1057 if ( fMulParent > fMaxParent ) {
2ebdefe6 1058 fMulTrack = - 1 ;
1059 Error("EvalParents", "increase fMaxParent") ;
1060 break ;
87cdc3be 1061 }
af5bdd85 1062 Int_t newParent = digit->GetIparent(jndex+1) ;
1063 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
87cdc3be 1064 Int_t kndex ;
1065 Bool_t already = kFALSE ;
f1d429fd 1066 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
2ebdefe6 1067 if ( newParent == parentArray[kndex] ){
1068 dEParentArray[kndex] += newdEParent;
1069 already = kTRUE ;
1070 break ;
1071 }
87cdc3be 1072 } // end of check
94478418 1073 if ( !already && (fMulParent < fMaxParent)) { // store it
2ebdefe6 1074 parentArray[fMulParent] = newParent ;
1075 dEParentArray[fMulParent] = newdEParent ;
1076 fMulParent++ ;
87cdc3be 1077 } // store it
1078 } // all parents in digit
87cdc3be 1079 } // all digits
2ebdefe6 1080
27e2a47c 1081 if (fMulParent>0) {
af5bdd85 1082 Int_t *sortIdx = new Int_t[fMulParent];
1083 TMath::Sort(fMulParent,dEParentArray,sortIdx);
1084 for(index = 0; index < fMulParent; index++) {
1085 fParentsList[index] = parentArray[sortIdx[index]] ;
1086 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
1087 }
1088 delete [] sortIdx;
27e2a47c 1089 }
2ebdefe6 1090
af5bdd85 1091 delete [] parentArray;
1092 delete [] dEParentArray;
87cdc3be 1093}
1094
ab48128d 1095//____________________________________________________________________________
70a93198 1096void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
1097{
9aa6a5f6 1098 // returns the position of the cluster in the local reference system
1099 // of the sub-detector
70a93198 1100
9aa6a5f6 1101 lpos = fLocPos;
70a93198 1102}
1103
1104//____________________________________________________________________________
ab48128d 1105void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
1106{
1107 // returns the position of the cluster in the global reference system of ALICE
70a93198 1108 // These are now the Cartesian X, Y and Z
e52475ed 1109 // cout<<" geom "<<geom<<endl;
25bb3dcb 1110 // fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
1111 gpos = fGlobPos;
1112
9aa6a5f6 1113}
1114
1115//____________________________________________________________________________
7cfcebd3 1116//void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
1117//{
1118// // returns the position of the cluster in the global reference system of ALICE
1119// // These are now the Cartesian X, Y and Z
1120// // cout<<" geom "<<geom<<endl;
1121//
1122// //To be implemented
1123// fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
1124//
1125//}
9aa6a5f6 1126
1127//_____________________________________________________________________________
1128void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
1129{
1130 //Evaluates local to "tracking" c.s. transformation (B.P.).
1131 //All evaluations should be completed before calling for this
1132 //function.
1133 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
1134 //or just ask Jouri Belikov. :)
1135
1136 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
1137
1138 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
1139 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
1140
1141 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
1142 Double_t txyz[3] = {0,0,0};
1143
1144 tr2loc->MasterToLocal(lxyz,txyz);
1145 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1146
1147 if(AliLog::GetGlobalDebugLevel()>0) {
73a654fc 1148 TVector3 gpos; //TMatrixF gmat;
7cfcebd3 1149 //GetGlobalPosition(gpos,gmat); //Not doing anythin special, replace by next line.
73a654fc 1150 fGeomPtr->GetGlobal(fLocPos, gpos, GetSuperModuleNumber());
1151
9aa6a5f6 1152 Float_t gxyz[3];
1153 GetGlobalXYZ(gxyz);
1154 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1155->(%.3f,%.3f,%.3f), supermodule %d",
1156 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1157 GetX(),GetY(),GetZ(),
1158 gpos.X(),gpos.Y(),gpos.Z(),
1159 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1160 }
1161
70a93198 1162}
1163
1164//____________________________________________________________________________
1165Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1166{
1167 // Finds the maximum energy in the cluster
ab48128d 1168
70a93198 1169 Float_t menergy = 0. ;
1170
1171 Int_t iDigit;
70a93198 1172 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1173
1174 if(fEnergyList[iDigit] > menergy)
1175 menergy = fEnergyList[iDigit] ;
1176 }
1177 return menergy ;
ab48128d 1178}
1179
aad8e277 1180//____________________________________________________________________________
25bb3dcb 1181Int_t AliEMCALRecPoint::GetMaximalEnergyIndex(void) const
1182{
1183 // Finds the maximum energy in the cluster
1184
1185 Float_t menergy = 0. ;
44fe3410 1186 Int_t mid = 0 ;
25bb3dcb 1187 Int_t iDigit;
1188
1189 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1190
1191 if(fEnergyList[iDigit] > menergy){
1192 menergy = fEnergyList[iDigit] ;
1193 mid = iDigit ;
1194 }
1195 }//loop on cluster digits
1196
1197 return mid ;
1198}
1199
1200
1201//____________________________________________________________________________
70a93198 1202Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
aad8e277 1203{
70a93198 1204 // Calculates the multiplicity of digits with energy larger than H*energy
1205
1206 Int_t multipl = 0 ;
1207 Int_t iDigit ;
1208 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1209
1210 if(fEnergyList[iDigit] > H * fAmp)
1211 multipl++ ;
1212 }
1213 return multipl ;
1214}
1215
1216//____________________________________________________________________________
1217Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1218 Float_t locMaxCut,TClonesArray * digits) const
1219{
1220 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1221 // energy difference between two local maxima
1222
53e430a3 1223 AliEMCALDigit * digit = 0;
1224 AliEMCALDigit * digitN = 0;
70a93198 1225
53e430a3 1226 Int_t iDigitN = 0 ;
1227 Int_t iDigit = 0 ;
70a93198 1228
1229 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1230 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1231
1232 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1233 if(maxAt[iDigit]) {
1234 digit = maxAt[iDigit] ;
1235
1236 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
53e430a3 1237 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
70a93198 1238
1239 if ( AreNeighbours(digit, digitN) ) {
1240 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1241 maxAt[iDigitN] = 0 ;
1242 // but may be digit too is not local max ?
1243 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1244 maxAt[iDigit] = 0 ;
1245 }
1246 else {
1247 maxAt[iDigit] = 0 ;
1248 // but may be digitN too is not local max ?
1249 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1250 maxAt[iDigitN] = 0 ;
1251 }
1252 } // if Areneighbours
1253 } // while digitN
1254 } // slot not empty
1255 } // while digit
1256
1257 iDigitN = 0 ;
1258 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1259 if(maxAt[iDigit] ){
1260 maxAt[iDigitN] = maxAt[iDigit] ;
1261 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1262 iDigitN++ ;
1263 }
1264 }
1265 return iDigitN ;
1266}
4635df1f 1267
1268//____________________________________________________________________________
1269Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1270{
1271 // Get the primary track index in TreeK which deposits the most energy
af5bdd85 1272 // in Digits which forms RecPoint.
4635df1f 1273
af5bdd85 1274 if (fMulTrack)
1275 return fTracksList[0];
1276 return -12345;
4635df1f 1277}
1278
70a93198 1279//____________________________________________________________________________
1280void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1281 // time is set to the time of the digit with the maximum energy
1282
53e430a3 1283 Float_t maxE = 0;
1284 Int_t maxAt = 0;
70a93198 1285 for(Int_t idig=0; idig < fMulDigit; idig++){
1286 if(fEnergyList[idig] > maxE){
53e430a3 1287 maxE = fEnergyList[idig] ;
70a93198 1288 maxAt = idig;
1289 }
1290 }
1291 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
aad8e277 1292
aad8e277 1293}
ab48128d 1294
1295//______________________________________________________________________________
1296void AliEMCALRecPoint::Paint(Option_t *)
1297{
1298 // Paint this ALiRecPoint as a TMarker with its current attributes
1299
1300 TVector3 pos(0.,0.,0.) ;
1301 GetLocalPosition(pos) ;
1302 Coord_t x = pos.X() ;
1303 Coord_t y = pos.Z() ;
1304 Color_t markercolor = 1 ;
53e430a3 1305 Size_t markersize = 1.;
ab48128d 1306 Style_t markerstyle = 5 ;
1307
1308 if (!gPad->IsBatch()) {
1309 gVirtualX->SetMarkerColor(markercolor) ;
1310 gVirtualX->SetMarkerSize (markersize) ;
1311 gVirtualX->SetMarkerStyle(markerstyle) ;
1312 }
1313 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1314 gPad->PaintPolyMarker(1,&x,&y,"") ;
1315}
70a93198 1316
9aa6a5f6 1317//_____________________________________________________________________
1ae500a2 1318Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1319{
9aa6a5f6 1320 // e energy in GeV)
1ae500a2 1321 // key = 0(gamma, default)
1322 // != 0(electron)
47583f1b 1323 const Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
47583f1b 1324 Double_t tmax = 0.; // position of electromagnetic shower max in cm
1ae500a2 1325
171d2441 1326 Double_t x0 = 1.31; // radiation lenght (cm)
1327 //If old geometry in use
1328 if(!((fGeomPtr->GetEMCGeometry()->GetGeoName()).Contains("V1"))) x0 = 1.28;
1329
1ae500a2 1330 if(e>0.1) {
1331 tmax = TMath::Log(e) + ca;
1332 if (key==0) tmax += 0.5;
1333 else tmax -= 0.5;
37890aaf 1334 tmax *= x0; // convert to cm
1ae500a2 1335 }
1336 return tmax;
1337}
1338
70a93198 1339//______________________________________________________________________________
1340Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1341{
1342 //Converts Theta (Radians) to Eta(Radians)
1343 return (2.*TMath::ATan(TMath::Exp(-arg)));
1344}
1345
1346//______________________________________________________________________________
1347Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1348{
1349 //Converts Eta (Radians) to Theta(Radians)
1350 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1351}
261b1065 1352
1353//____________________________________________________________________________
e1a51e6e 1354void AliEMCALRecPoint::Print(Option_t *opt) const
261b1065 1355{
1356 // Print the list of digits belonging to the cluster
e1a51e6e 1357 if(strlen(opt)==0) return;
261b1065 1358 TString message ;
4800667c 1359 message = "AliEMCALRecPoint:\n" ;
261b1065 1360 message += " digits # = " ;
d8c2bd69 1361 AliInfo(message.Data()) ;
261b1065 1362
1363 Int_t iDigit;
1364 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1365 printf(" %d ", fDigitsList[iDigit] ) ;
e52475ed 1366 printf("\n");
1367
d8c2bd69 1368 AliInfo(" Energies = ") ;
261b1065 1369 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1370 printf(" %f ", fEnergyList[iDigit] ) ;
e52475ed 1371 printf("\n");
1372
d8c2bd69 1373 AliInfo("\n Abs Ids = ") ;
e52475ed 1374 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1375 printf(" %i ", fAbsIdList[iDigit] ) ;
1376 printf("\n");
1377
d8c2bd69 1378 AliInfo(" Primaries ") ;
261b1065 1379 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1380 printf(" %d ", fTracksList[iDigit]) ;
e52475ed 1381
1382 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1383
85c60a8e 1384 message = " ClusterType = %d" ;
1385 message += " Multiplicity = %d" ;
261b1065 1386 message += " Cluster Energy = %f" ;
1387 message += " Core energy = %f" ;
1388 message += " Core radius = %f" ;
1389 message += " Number of primaries %d" ;
1390 message += " Stored at position %d" ;
d8c2bd69 1391 AliInfo(Form(message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList()) ) ;
261b1065 1392}
1d46d1f6 1393
9aa6a5f6 1394//___________________________________________________________
1d46d1f6 1395Double_t AliEMCALRecPoint::GetPointEnergy() const
1396{
37890aaf 1397 //Returns energy ....
47583f1b 1398 Double_t e=0.0;
1d46d1f6 1399 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1400 return e;
1401}