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Implementing the wrapper volumes (Mario)
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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//_________________________________________________________________________
17// Reconstructed Points for the EMCAL
18// A RecPoint is a cluster of digits
19//
20//
21//*-- Author: Yves Schutz (SUBATECH)
22//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
23//*-- Author: Heather Gray (LBL) merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04
24
25// --- ROOT system ---
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"
34#include "TRandom.h"
35
36// --- Standard library ---
37#include <Riostream.h>
38
39// --- AliRoot header files ---
40//#include "AliGenerator.h"
41class AliGenerator;
42class AliEMCAL;
43#include "AliLog.h"
44#include "AliGeomManager.h"
45#include "AliEMCALGeometry.h"
46#include "AliEMCALHit.h"
47#include "AliEMCALDigit.h"
48#include "AliEMCALRecPoint.h"
49#include "AliCaloCalibPedestal.h"
50#include "AliEMCALGeoParams.h"
51
52ClassImp(AliEMCALRecPoint)
53
54//____________________________________________________________________________
55AliEMCALRecPoint::AliEMCALRecPoint()
56 : AliCluster(), fGeomPtr(0),
57 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
58 fGlobPos(0,0,0),fLocPos(0,0,0),
59 fMaxDigit(100), fMulDigit(0), fMaxTrack(200),
60 fMulTrack(0), fDigitsList(0), fTracksList(0),
61 fClusterType(-1), fCoreEnergy(0), fDispersion(0),
62 fEnergyList(0), fAbsIdList(0),
63 fTime(0.), fNExMax(0), fCoreRadius(10), //HG check this
64 fDETracksList(0), fMulParent(0), fMaxParent(0),
65 fParentsList(0), fDEParentsList(0), fSuperModuleNumber(0),
66 fDigitIndMax(-1), fDistToBadTower(-1), fSharedCluster(kFALSE)
67{
68 // ctor
69 fGeomPtr = AliEMCALGeometry::GetInstance();
70
71 fLambda[0] = 0;
72 fLambda[1] = 0;
73
74}
75
76//____________________________________________________________________________
77AliEMCALRecPoint::AliEMCALRecPoint(const char *)
78 : AliCluster(), fGeomPtr(0),
79 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
80 fGlobPos(0,0,0), fLocPos(0,0,0),
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),
84 fEnergyList(new Float_t[fMaxDigit]),
85 fAbsIdList(new Int_t[fMaxDigit]), fTime(-1.), fNExMax(0), fCoreRadius(10),
86 fDETracksList(new Float_t[fMaxTrack]), fMulParent(0), fMaxParent(1000),
87 fParentsList(new Int_t[fMaxParent]), fDEParentsList(new Float_t[fMaxParent]),
88 fSuperModuleNumber(0), fDigitIndMax(-1), fDistToBadTower(-1),fSharedCluster(kFALSE)
89{
90 // ctor
91 for (Int_t i = 0; i < fMaxTrack; i++)
92 fDETracksList[i] = 0;
93 for (Int_t i = 0; i < fMaxParent; i++) {
94 fParentsList[i] = -1;
95 fDEParentsList[i] = 0;
96 }
97
98 fGeomPtr = AliEMCALGeometry::GetInstance();
99 fLambda[0] = 0;
100 fLambda[1] = 0;
101}
102
103//____________________________________________________________________________
104AliEMCALRecPoint::AliEMCALRecPoint(const AliEMCALRecPoint & rp)
105 : AliCluster(rp), fGeomPtr(rp.fGeomPtr),
106 fAmp(rp.fAmp), fIndexInList(rp.fIndexInList),
107 fGlobPos(rp.fGlobPos),fLocPos(rp.fLocPos),
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),
112 fDispersion(rp.fDispersion),
113 fEnergyList(new Float_t[rp.fMaxDigit]),
114 fAbsIdList(new Int_t[rp.fMaxDigit]), fTime(rp.fTime), fNExMax(rp.fNExMax),fCoreRadius(rp.fCoreRadius),
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]),
118 fSuperModuleNumber(rp.fSuperModuleNumber), fDigitIndMax(rp.fDigitIndMax),
119 fDistToBadTower(rp.fDistToBadTower), fSharedCluster(rp.fSharedCluster)
120{
121 //copy ctor
122 fLambda[0] = rp.fLambda[0];
123 fLambda[1] = rp.fLambda[1];
124
125 for(Int_t i = 0; i < rp.fMulDigit; i++) {
126 fEnergyList[i] = rp.fEnergyList[i];
127 fAbsIdList[i] = rp.fAbsIdList[i];
128 }
129
130 for(Int_t i = 0; i < rp.fMulTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
131
132 for(Int_t i = 0; i < rp.fMulParent; i++) {
133 fParentsList[i] = rp.fParentsList[i];
134 fDEParentsList[i] = rp.fDEParentsList[i];
135 }
136
137}
138//____________________________________________________________________________
139AliEMCALRecPoint::~AliEMCALRecPoint()
140{
141 // dtor
142 if ( fEnergyList )
143 delete[] fEnergyList ;
144 if ( fAbsIdList )
145 delete[] fAbsIdList ;
146 if ( fDETracksList)
147 delete[] fDETracksList;
148 if ( fParentsList)
149 delete[] fParentsList;
150 if ( fDEParentsList)
151 delete[] fDEParentsList;
152
153 delete [] fDigitsList ;
154 delete [] fTracksList ;
155}
156
157//____________________________________________________________________________
158AliEMCALRecPoint& AliEMCALRecPoint::operator= (const AliEMCALRecPoint &rp)
159{
160 // assignment operator
161
162 if(&rp == this) return *this;
163
164 fGeomPtr = rp.fGeomPtr;
165 fAmp = rp.fAmp;
166 fIndexInList = rp.fIndexInList;
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];
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];
180
181 fClusterType = rp.fClusterType;
182 fCoreEnergy = rp.fCoreEnergy;
183 fDispersion = rp.fDispersion;
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];
190 for(Int_t i = 0; i<fMaxDigit; i++) {
191 fEnergyList[i] = rp.fEnergyList[i];
192 fAbsIdList[i] = rp.fAbsIdList[i];
193 }
194
195 fTime = rp.fTime;
196 fNExMax = rp.fNExMax;
197 fCoreRadius = rp.fCoreRadius;
198
199 if(fDETracksList) delete [] fDETracksList;
200 fDETracksList = new Float_t[rp.fMaxTrack];
201 for(Int_t i = 0; i < fMaxTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
202
203 fMulParent = rp.fMulParent;
204 fMaxParent = rp.fMaxParent;
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];
210 for(Int_t i = 0; i < fMaxParent; i++) {
211 fParentsList[i] = rp.fParentsList[i];
212 fDEParentsList[i] = rp.fDEParentsList[i];
213 }
214
215 fSuperModuleNumber = rp.fSuperModuleNumber;
216 fDigitIndMax = rp.fDigitIndMax;
217
218 fLambda[0] = rp.fLambda[0];
219 fLambda[1] = rp.fLambda[1];
220
221 fDistToBadTower = rp.fDistToBadTower;
222 fSharedCluster = rp.fSharedCluster;
223
224 return *this;
225
226}
227
228//____________________________________________________________________________
229void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, const Float_t energy, const Bool_t shared)
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];
236
237 if(fAbsIdList == 0) {
238 fAbsIdList = new Int_t [fMaxDigit];
239 }
240
241 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
242 fMaxDigit*=2 ;
243 Int_t * tempo = new Int_t [fMaxDigit];
244 Float_t * tempoE = new Float_t[fMaxDigit];
245 Int_t * tempoId = new Int_t [fMaxDigit];
246
247 Int_t index ;
248 for ( index = 0 ; index < fMulDigit ; index++ ){
249 tempo [index] = fDigitsList[index] ;
250 tempoE [index] = fEnergyList[index] ;
251 tempoId[index] = fAbsIdList [index] ;
252 }
253
254 delete [] fDigitsList ;
255 delete [] fEnergyList ;
256 delete [] fAbsIdList ;
257
258 fDigitsList = tempo;
259 fEnergyList = tempoE;
260 fAbsIdList = tempoId;
261 } // if
262
263 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
264 fEnergyList[fMulDigit] = energy ;
265 fAbsIdList [fMulDigit] = digit.GetId();
266 fMulDigit++ ;
267 fAmp += energy ;
268
269 if(shared) fSharedCluster = kTRUE;
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
276 // ONLY USED IN CASE OF UNFOLDING
277
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;
283
284 areNeighbours = kFALSE ;
285
286 fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nModule,nIphi,nIeta);
287 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, relid1[0],relid1[1]);
288
289 fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
290 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, relid2[0],relid2[1]);
291
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 //printf("Shared cluster in 2 SMs!\n");
296
297 // if(nSupMod1%2) relid1[1]+=AliEMCALGeoParams::fgkEMCALCols;//bad
298 // else relid2[1]+=AliEMCALGeoParams::fgkEMCALCols;//bad
299 if(nSupMod1%2) relid2[1]+=AliEMCALGeoParams::fgkEMCALCols;
300 else relid1[1]+=AliEMCALGeoParams::fgkEMCALCols;
301 }
302
303 rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
304 coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
305
306 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
307 areNeighbours = kTRUE ;
308
309 return areNeighbours;
310}
311
312//____________________________________________________________________________
313Int_t AliEMCALRecPoint::Compare(const TObject * obj) const
314{
315 // Compares two RecPoints according to their position in the EMCAL modules
316
317 Float_t delta = 1 ; //Width of "Sorting row".
318
319 Int_t rv = 2 ;
320
321 AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ;
322
323 TVector3 locpos1;
324 GetLocalPosition(locpos1);
325 TVector3 locpos2;
326 clu->GetLocalPosition(locpos2);
327
328 Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ;
329 if (rowdif> 0)
330 rv = 1 ;
331 else if(rowdif < 0)
332 rv = -1 ;
333 else if(locpos1.Y()>locpos2.Y())
334 rv = -1 ;
335 else
336 rv = 1 ;
337
338 return rv ;
339}
340
341//___________________________________________________________________________
342 void AliEMCALRecPoint::Draw(Option_t *option)
343 {
344 // Draw this AliEMCALRecPoint with its current attributes
345
346 AppendPad(option);
347 }
348
349//____________________________________________________________________________
350void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits, const Bool_t justClusters)
351{
352 // Evaluates cluster parameters
353
354 // First calculate the index of digit with maximum amplitude and get
355 // the supermodule number where it sits.
356
357 fDigitIndMax = GetMaximalEnergyIndex();
358 fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(GetAbsIdMaxDigit());
359
360 //Evaluate global and local position
361 EvalGlobalPosition(logWeight, digits) ;
362 EvalLocalPosition(logWeight, digits) ;
363
364 //Evaluate shower parameters
365 EvalElipsAxis(logWeight, digits) ;
366 EvalDispersion(logWeight, digits) ;
367
368 //EvalCoreEnergy(logWeight, digits);
369 EvalTime(digits) ;
370 EvalPrimaries(digits) ;
371 EvalParents(digits);
372
373 //Called last because it sets the global position of the cluster?
374 //Do not call it when recalculating clusters out of standard reconstruction
375 if(!justClusters){
376 EvalLocal2TrackingCSTransform();
377 }
378
379}
380
381//____________________________________________________________________________
382void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
383{
384 // Calculates the dispersion of the shower at the origin of the RecPoint
385 // in cell units - Nov 16,2006
386
387 Double_t d = 0., wtot = 0., w = 0.;
388 Int_t iDigit=0, nstat=0;
389 AliEMCALDigit * digit=0;
390
391 // Calculates the dispersion in cell units
392 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
393 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
394 int iphi=0, ieta=0;
395 // Calculate mean values
396 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
397 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
398
399 if (fAmp>0 && fEnergyList[iDigit]>0) {
400 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
401 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
402
403 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
404 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
405 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
406
407 etai=(Double_t)ieta;
408 phii=(Double_t)iphi;
409 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
410
411 if(w>0.0) {
412 phiMean += phii*w;
413 etaMean += etai*w;
414 wtot += w;
415 }
416 }
417 }
418 if (wtot>0) {
419 phiMean /= wtot ;
420 etaMean /= wtot ;
421 } else AliError(Form("Wrong weight %f\n", wtot));
422
423 // Calculate dispersion
424 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
425 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
426
427 if (fAmp>0 && fEnergyList[iDigit]>0) {
428 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
429 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
430
431 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
432 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
433 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
434
435 etai=(Double_t)ieta;
436 phii=(Double_t)iphi;
437 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
438
439 if(w>0.0) {
440 nstat++;
441 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
442 }
443 }
444 }
445
446 if ( wtot > 0 && nstat>1) d /= wtot ;
447 else d = 0. ;
448
449 fDispersion = TMath::Sqrt(d) ;
450 //printf("AliEMCALRecPoint::EvalDispersion() : Dispersion %f \n",fDispersion);
451}
452
453//____________________________________________________________________________
454void AliEMCALRecPoint::EvalDistanceToBadChannels(AliCaloCalibPedestal* caloped)
455{
456 //For each EMC rec. point set the distance to the nearest bad channel.
457 //AliInfo(Form("%d bad channel(s) found.\n", caloped->GetDeadTowerCount()));
458 //It is done in cell units and not in global or local position as before (Sept 2010)
459
460 if(!caloped->GetDeadTowerCount()) return;
461
462 //Get channels map of the supermodule where the cluster is.
463 TH2D* hMap = caloped->GetDeadMap(fSuperModuleNumber);
464
465 Int_t dRrow, dReta;
466 Float_t minDist = 10000.;
467 Float_t dist = 0.;
468 Int_t nSupMod, nModule;
469 Int_t nIphi, nIeta;
470 Int_t iphi, ieta;
471 fDigitIndMax = GetMaximalEnergyIndex();
472 fGeomPtr->GetCellIndex(fAbsIdList[fDigitIndMax], nSupMod,nModule,nIphi,nIeta);
473 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
474
475 //Loop on tower status map
476 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
477 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
478 //Check if tower is bad.
479 if(hMap->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
480 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
481
482 dRrow=TMath::Abs(irow-iphi);
483 dReta=TMath::Abs(icol-ieta);
484 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
485 if(dist < minDist) minDist = dist;
486
487 }
488 }
489
490 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
491 if (fSharedCluster) {
492 TH2D* hMap2 = 0;
493 Int_t nSupMod2 = -1;
494
495 //The only possible combinations are (0,1), (2,3) ... (10,11)
496 if(fSuperModuleNumber%2) nSupMod2 = fSuperModuleNumber-1;
497 else nSupMod2 = fSuperModuleNumber+1;
498 hMap2 = caloped->GetDeadMap(nSupMod2);
499
500 //Loop on tower status map of second super module
501 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
502 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
503 //Check if tower is bad.
504 if(hMap2->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
505 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
506 dRrow=TMath::Abs(irow-iphi);
507
508 if(fSuperModuleNumber%2) {
509 dReta=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+ieta));
510 }
511 else {
512 dReta=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-ieta);
513 }
514
515 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
516 if(dist < minDist) minDist = dist;
517
518 }
519 }
520
521 }// shared cluster in 2 SuperModules
522
523 fDistToBadTower = minDist;
524 //printf("AliEMCALRecPoint::EvalDistanceToBadChannel() - Distance to Bad is %f cm, shared cluster? %d \n",fDistToBadTower,fSharedCluster);
525}
526
527
528//____________________________________________________________________________
529void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
530{
531 // Calculates the center of gravity in the local EMCAL-module coordinates
532 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
533
534 AliEMCALDigit * digit=0;
535 Int_t i=0, nstat=0;
536
537 Double_t dist = TmaxInCm(Double_t(fAmp));
538 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
539
540 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
541
542 //printf(" dist : %f e : %f \n", dist, fAmp);
543 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
544 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
545
546 if(!digit) {
547 AliError("No Digit!!");
548 continue;
549 }
550
551 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
552
553 //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
554 if(fSharedCluster && fSuperModuleNumber != fGeomPtr->GetSuperModuleNumber(digit->GetId())) xyzi[1]*=-1;
555
556 //printf("EvalLocalPosition Cell: Id %i, SM %i : dist %f Local x,y,z %f %f %f \n",
557 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()), dist, xyzi[0], xyzi[1], xyzi[2]);
558
559 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
560 else w = fEnergyList[iDigit]; // just energy
561
562 if(w>0.0) {
563 wtot += w ;
564 nstat++;
565 for(i=0; i<3; i++ ) {
566 clXYZ[i] += (w*xyzi[i]);
567 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
568 }
569 }
570 }
571 // cout << " wtot " << wtot << endl;
572 if ( wtot > 0 ) {
573 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
574 for(i=0; i<3; i++ ) {
575 clXYZ[i] /= wtot;
576 if(nstat>1) {
577 clRmsXYZ[i] /= (wtot*wtot);
578 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
579 if(clRmsXYZ[i] > 0.0) {
580 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
581 } else clRmsXYZ[i] = 0;
582 } else clRmsXYZ[i] = 0;
583 }
584 } else {
585 for(i=0; i<3; i++ ) {
586 clXYZ[i] = clRmsXYZ[i] = -1.;
587 }
588 }
589
590 // // Cluster of one single digit, smear the position to avoid discrete position
591 // // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
592 // // Rndm generates a number in ]0,1]
593 // if (fMulDigit==1) {
594 // clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
595 // clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
596 // }
597
598 //Set position in local vector
599 fLocPos.SetX(clXYZ[0]);
600 fLocPos.SetY(clXYZ[1]);
601 fLocPos.SetZ(clXYZ[2]);
602
603 if (gDebug==2)
604 printf("EvalLocalPosition Cluster: Local (x,y,z) = (%f,%f,%f) \n", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
605
606}
607
608
609//____________________________________________________________________________
610void AliEMCALRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
611{
612 // Calculates the center of gravity in the global ALICE coordinates
613 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
614
615 AliEMCALDigit * digit=0;
616 Int_t i=0, nstat=0;
617
618 Double_t dist = TmaxInCm(Double_t(fAmp));
619 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
620
621 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, lxyzi[3], xyzi[3], wtot=0., w=0.;
622
623 //printf(" dist : %f e : %f \n", dist, fAmp);
624 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
625 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
626
627 if(!digit) {
628 AliError("No Digit!!");
629 continue;
630 }
631
632 //Get the local coordinates of the cell
633 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, lxyzi[0], lxyzi[1], lxyzi[2]);
634
635 //Now get the global coordinate
636 fGeomPtr->GetGlobal(lxyzi,xyzi, fGeomPtr->GetSuperModuleNumber(digit->GetId()));
637 //TVector3 pos(xyzi[0], xyzi[1], xyzi[2]);
638 //printf("EvalGlobalPosition Cell: Id %i, SM %i : dist %f Local (x,y,z) = (%f %f %f), eta %f, phi%f \n",
639 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()),dist, xyzi[0], xyzi[1], xyzi[2],pos.Eta(),pos.Phi()*TMath::RadToDeg());
640
641 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
642 else w = fEnergyList[iDigit]; // just energy
643
644 if(w>0.0) {
645 wtot += w ;
646 nstat++;
647 for(i=0; i<3; i++ ) {
648 clXYZ[i] += (w*xyzi[i]);
649 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
650 }
651 }
652 }
653 // cout << " wtot " << wtot << endl;
654 if ( wtot > 0 ) {
655 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
656 for(i=0; i<3; i++ ) {
657 clXYZ[i] /= wtot;
658 if(nstat>1) {
659 clRmsXYZ[i] /= (wtot*wtot);
660 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
661 if(clRmsXYZ[i] > 0.0) {
662 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
663 } else clRmsXYZ[i] = 0;
664 } else clRmsXYZ[i] = 0;
665 }
666 } else {
667 for(i=0; i<3; i++ ) {
668 clXYZ[i] = clRmsXYZ[i] = -1.;
669 }
670 }
671
672// // Cluster of one single digit, smear the position to avoid discrete position
673// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
674// // Rndm generates a number in ]0,1]
675// if (fMulDigit==1) {
676// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
677// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
678// }
679
680 //Set position in global vector
681 fGlobPos.SetX(clXYZ[0]);
682 fGlobPos.SetY(clXYZ[1]);
683 fGlobPos.SetZ(clXYZ[2]);
684
685 if (gDebug==2)
686 printf("EvalGlobalPosition Cluster: (x ,y ,z) = (%f,%f,%f), eta %f,phi %f\n",
687 fGlobPos.X(), fGlobPos.Y(), fGlobPos.Z(),fGlobPos.Eta(),fGlobPos.Phi()*TMath::RadToDeg()) ;
688}
689
690//____________________________________________________________________________
691void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
692Double_t phiSlope, TClonesArray * digits)
693{
694 // Evaluates local position of clusters in SM
695
696 Double_t ycorr=0;
697 AliEMCALDigit *digit=0;
698 Int_t i=0, nstat=0;
699 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
700
701 Double_t dist = TmaxInCm(Double_t(fAmp));
702 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
703
704 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
705 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
706 if(digit){
707 dist = deff;
708 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
709 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
710
711 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
712 else w = fEnergyList[iDigit]; // just energy
713
714 if(w>0.0) {
715 wtot += w ;
716 nstat++;
717 for(i=0; i<3; i++ ) {
718 clXYZ[i] += (w*xyzi[i]);
719 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
720 }
721 }
722 }else AliError("Digit null");
723 }//loop
724 // cout << " wtot " << wtot << endl;
725 if ( wtot > 0 ) {
726 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
727 for(i=0; i<3; i++ ) {
728 clXYZ[i] /= wtot;
729 if(nstat>1) {
730 clRmsXYZ[i] /= (wtot*wtot);
731 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
732 if(clRmsXYZ[i] > 0.0) {
733 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
734 } else clRmsXYZ[i] = 0;
735 } else clRmsXYZ[i] = 0;
736 }
737 } else {
738 for(i=0; i<3; i++ ) {
739 clXYZ[i] = clRmsXYZ[i] = -1.;
740 }
741 }
742 // clRmsXYZ[i] ??
743 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
744 // Correction in phi direction (y - coords here); Aug 16;
745 // May be put to global level or seperate method
746 ycorr = clXYZ[1] * (1. + phiSlope);
747 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
748 clXYZ[1] = ycorr;
749 }
750
751 fLocPos.SetX(clXYZ[0]);
752 fLocPos.SetY(clXYZ[1]);
753 fLocPos.SetZ(clXYZ[2]);
754
755// if (gDebug==2)
756// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
757}
758
759//_____________________________________________________________________________
760Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
761{
762 // Evaluated local position of rec.point using digits
763 // and parametrisation of w0 and deff
764 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
765 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
766}
767
768//_____________________________________________________________________________
769Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
770{
771 // Used when digits should be recalibrated
772 Double_t deff=0, w0=0, esum=0;
773 Int_t iDigit=0;
774 // AliEMCALDigit *digit;
775
776 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
777
778 // Calculate sum energy of digits
779 esum = 0.0;
780 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
781
782 GetDeffW0(esum, deff, w0);
783
784 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
785}
786
787//_____________________________________________________________________________
788Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
789{
790 //Evaluate position of digits in supermodule.
791 AliEMCALDigit *digit=0;
792
793 Int_t i=0, nstat=0;
794 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
795 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
796
797 // Get pointer to EMCAL geometry
798 // (can't use fGeomPtr in static method)
799 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
800
801 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
802 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
803 if(digit){
804 //geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
805 geo->RelPosCellInSModule(digit->GetId(), deff, xyzi[0], xyzi[1], xyzi[2]);
806
807 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
808 else w = ed[iDigit]; // just energy
809
810 if(w>0.0) {
811 wtot += w ;
812 nstat++;
813 for(i=0; i<3; i++ ) {
814 clXYZ[i] += (w*xyzi[i]);
815 }
816 }
817 }else AliError("Digit null");
818 }//loop
819 // cout << " wtot " << wtot << endl;
820 if (wtot > 0) {
821 for(i=0; i<3; i++ ) {
822 clXYZ[i] /= wtot;
823 }
824 locPos.SetX(clXYZ[0]);
825 locPos.SetY(clXYZ[1]);
826 locPos.SetZ(clXYZ[2]);
827 return kTRUE;
828 } else {
829 return kFALSE;
830 }
831
832}
833
834//_____________________________________________________________________________
835void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
836{
837 //
838 // Aug 31, 2001
839 // Applied for simulation data with threshold 3 adc
840 // Calculate efective distance (deff) and weigh parameter (w0)
841 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
842 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
843 //
844 Double_t e=0.0;
845 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
846 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
847
848 // No extrapolation here
849 e = esum<0.5?0.5:esum;
850 e = e>100.?100.:e;
851
852 deff = kdp0 + kdp1*TMath::Log(e);
853 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
854 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
855}
856
857//______________________________________________________________________________
858void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
859{
860 // This function calculates energy in the core,
861 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
862 // in accordance with shower profile the energy deposition
863 // should be less than 2%
864 // Unfinished - Nov 15,2006
865 // Distance is calculate in (phi,eta) units
866
867 AliEMCALDigit * digit = 0 ;
868
869 Int_t iDigit=0;
870
871 if (!fLocPos.Mag()) {
872 EvalLocalPosition(logWeight, digits);
873 }
874
875 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
876 Double_t eta, phi, distance;
877 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
878 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
879
880 eta = phi = 0.0;
881 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
882 phi = phi * TMath::DegToRad();
883
884 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
885 if(distance < fCoreRadius)
886 fCoreEnergy += fEnergyList[iDigit] ;
887 }
888
889}
890//____________________________________________________________________________
891void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
892{
893 // Calculates the axis of the shower ellipsoid in eta and phi
894 // in cell units
895
896 TString gn(fGeomPtr->GetName());
897
898 Double_t wtot = 0.;
899 Double_t x = 0.;
900 Double_t z = 0.;
901 Double_t dxx = 0.;
902 Double_t dzz = 0.;
903 Double_t dxz = 0.;
904
905 AliEMCALDigit * digit = 0;
906
907 Double_t etai =0, phii=0, w=0;
908 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
909 int iphi=0, ieta=0;
910 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
911 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
912 etai = phii = 0.;
913 // Nov 15,2006 - use cell numbers as coordinates
914 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
915 // We can use the eta,phi(or coordinates) of cell
916 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
917
918 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
919 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
920
921 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
922 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
923 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
924
925 etai=(Double_t)ieta;
926 phii=(Double_t)iphi;
927
928 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
929 // fAmp summed amplitude of digits, i.e. energy of recpoint
930 // Gives smaller value of lambda than log weight
931 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
932
933 dxx += w * etai * etai ;
934 x += w * etai ;
935 dzz += w * phii * phii ;
936 z += w * phii ;
937
938 dxz += w * etai * phii ;
939
940 wtot += w ;
941 }
942
943 if ( wtot > 0 ) {
944 dxx /= wtot ;
945 x /= wtot ;
946 dxx -= x * x ;
947 dzz /= wtot ;
948 z /= wtot ;
949 dzz -= z * z ;
950 dxz /= wtot ;
951 dxz -= x * z ;
952
953 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
954 if(fLambda[0] > 0)
955 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
956 else
957 fLambda[0] = 0;
958
959 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
960
961 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
962 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
963 else
964 fLambda[1]= 0. ;
965 } else {
966 fLambda[0]= 0. ;
967 fLambda[1]= 0. ;
968 }
969
970 //printf("AliEMCALRecPoint::EvalElipsAxis() lambdas = %f,%f \n", fLambda[0],fLambda[1]) ;
971
972}
973
974//______________________________________________________________________________
975void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
976{
977 // Constructs the list of primary particles (tracks) which
978 // have contributed to this RecPoint and calculate deposited energy
979 // for each track
980
981 AliEMCALDigit * digit =0;
982 Int_t * primArray = new Int_t[fMaxTrack] ;
983 memset(primArray,-1,sizeof(Int_t)*fMaxTrack);
984 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
985 memset(dEPrimArray,-1,sizeof(Int_t)*fMaxTrack);
986
987 Int_t index ;
988 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
989 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
990 if(!digit) {
991 AliError("No Digit!!");
992 continue;
993 }
994
995 Int_t nprimaries = digit->GetNprimary() ;
996 if ( nprimaries == 0 ) continue ;
997 Int_t jndex ;
998 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
999 if ( fMulTrack > fMaxTrack ) {
1000 fMulTrack = fMaxTrack ;
1001 Error("EvalPrimaries", "increase fMaxTrack ") ;
1002 break ;
1003 }
1004 Int_t newPrimary = digit->GetPrimary(jndex+1);
1005 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
1006 Int_t kndex ;
1007 Bool_t already = kFALSE ;
1008 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
1009 if ( newPrimary == primArray[kndex] ){
1010 already = kTRUE ;
1011 dEPrimArray[kndex] += dEPrimary;
1012 break ;
1013 }
1014 } // end of check
1015 if ( !already && (fMulTrack < fMaxTrack)) { // store it
1016 primArray[fMulTrack] = newPrimary ;
1017 dEPrimArray[fMulTrack] = dEPrimary ;
1018 fMulTrack++ ;
1019 } // store it
1020 } // all primaries in digit
1021 } // all digits
1022
1023 Int_t *sortIdx = new Int_t[fMulTrack];
1024 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
1025 for(index = 0; index < fMulTrack; index++) {
1026 fTracksList[index] = primArray[sortIdx[index]] ;
1027 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
1028 }
1029 delete [] sortIdx;
1030 delete [] primArray ;
1031 delete [] dEPrimArray ;
1032
1033}
1034
1035//______________________________________________________________________________
1036void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
1037{
1038 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
1039
1040 AliEMCALDigit * digit=0 ;
1041 Int_t * parentArray = new Int_t[fMaxTrack] ;
1042 memset(parentArray,-1,sizeof(Int_t)*fMaxTrack);
1043 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
1044 memset(dEParentArray,-1,sizeof(Int_t)*fMaxTrack);
1045
1046 Int_t index ;
1047 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
1048 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
1049 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
1050 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
1051 if(!digit) {
1052 AliError("No Digit!!");
1053 continue;
1054 }
1055
1056 Int_t nparents = digit->GetNiparent() ;
1057 if ( nparents == 0 ) continue ;
1058
1059 Int_t jndex ;
1060 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
1061 if ( fMulParent > fMaxParent ) {
1062 fMulTrack = - 1 ;
1063 Error("EvalParents", "increase fMaxParent") ;
1064 break ;
1065 }
1066 Int_t newParent = digit->GetIparent(jndex+1) ;
1067 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
1068 Int_t kndex ;
1069 Bool_t already = kFALSE ;
1070 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
1071 if ( newParent == parentArray[kndex] ){
1072 dEParentArray[kndex] += newdEParent;
1073 already = kTRUE ;
1074 break ;
1075 }
1076 } // end of check
1077 if ( !already && (fMulParent < fMaxParent)) { // store it
1078 parentArray[fMulParent] = newParent ;
1079 dEParentArray[fMulParent] = newdEParent ;
1080 fMulParent++ ;
1081 } // store it
1082 } // all parents in digit
1083 } // all digits
1084
1085 if (fMulParent>0) {
1086 Int_t *sortIdx = new Int_t[fMulParent];
1087 TMath::Sort(fMulParent,dEParentArray,sortIdx);
1088 for(index = 0; index < fMulParent; index++) {
1089 fParentsList[index] = parentArray[sortIdx[index]] ;
1090 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
1091 }
1092 delete [] sortIdx;
1093 }
1094
1095 delete [] parentArray;
1096 delete [] dEParentArray;
1097}
1098
1099//____________________________________________________________________________
1100void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
1101{
1102 // returns the position of the cluster in the local reference system
1103 // of the sub-detector
1104
1105 lpos = fLocPos;
1106}
1107
1108//____________________________________________________________________________
1109void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
1110{
1111 // returns the position of the cluster in the global reference system of ALICE
1112 // These are now the Cartesian X, Y and Z
1113 // cout<<" geom "<<geom<<endl;
1114 // fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
1115 gpos = fGlobPos;
1116
1117}
1118
1119//____________________________________________________________________________
1120//void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
1121//{
1122// // returns the position of the cluster in the global reference system of ALICE
1123// // These are now the Cartesian X, Y and Z
1124// // cout<<" geom "<<geom<<endl;
1125//
1126// //To be implemented
1127// fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
1128//
1129//}
1130
1131//_____________________________________________________________________________
1132void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
1133{
1134 //Evaluates local to "tracking" c.s. transformation (B.P.).
1135 //All evaluations should be completed before calling for this
1136 //function.
1137 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
1138 //or just ask Jouri Belikov. :)
1139
1140 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
1141
1142 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
1143 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
1144
1145 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
1146 Double_t txyz[3] = {0,0,0};
1147
1148 tr2loc->MasterToLocal(lxyz,txyz);
1149 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1150
1151 if(AliLog::GetGlobalDebugLevel()>0) {
1152 TVector3 gpos; //TMatrixF gmat;
1153 //GetGlobalPosition(gpos,gmat); //Not doing anythin special, replace by next line.
1154 fGeomPtr->GetGlobal(fLocPos, gpos, GetSuperModuleNumber());
1155
1156 Float_t gxyz[3];
1157 GetGlobalXYZ(gxyz);
1158 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1159->(%.3f,%.3f,%.3f), supermodule %d",
1160 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1161 GetX(),GetY(),GetZ(),
1162 gpos.X(),gpos.Y(),gpos.Z(),
1163 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1164 }
1165
1166}
1167
1168//____________________________________________________________________________
1169Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1170{
1171 // Finds the maximum energy in the cluster
1172
1173 Float_t menergy = 0. ;
1174
1175 Int_t iDigit;
1176 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1177
1178 if(fEnergyList[iDigit] > menergy)
1179 menergy = fEnergyList[iDigit] ;
1180 }
1181 return menergy ;
1182}
1183
1184//____________________________________________________________________________
1185Int_t AliEMCALRecPoint::GetMaximalEnergyIndex(void) const
1186{
1187 // Finds the maximum energy in the cluster
1188
1189 Float_t menergy = 0. ;
1190 Int_t mid = 0 ;
1191 Int_t iDigit;
1192
1193 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1194
1195 if(fEnergyList[iDigit] > menergy){
1196 menergy = fEnergyList[iDigit] ;
1197 mid = iDigit ;
1198 }
1199 }//loop on cluster digits
1200
1201 return mid ;
1202}
1203
1204
1205//____________________________________________________________________________
1206Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
1207{
1208 // Calculates the multiplicity of digits with energy larger than H*energy
1209
1210 Int_t multipl = 0 ;
1211 Int_t iDigit ;
1212 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1213
1214 if(fEnergyList[iDigit] > H * fAmp)
1215 multipl++ ;
1216 }
1217 return multipl ;
1218}
1219
1220//____________________________________________________________________________
1221Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1222 Float_t locMaxCut,TClonesArray * digits) const
1223{
1224 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1225 // energy difference between two local maxima
1226
1227 AliEMCALDigit * digit = 0;
1228 AliEMCALDigit * digitN = 0;
1229
1230 Int_t iDigitN = 0 ;
1231 Int_t iDigit = 0 ;
1232
1233 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1234 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1235
1236 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1237 if(maxAt[iDigit]) {
1238 digit = maxAt[iDigit] ;
1239
1240 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
1241 if(iDigitN == iDigit) continue;//the same digit
1242 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
1243
1244 if ( AreNeighbours(digit, digitN) ) {
1245 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1246 maxAt[iDigitN] = 0 ;
1247 // but may be digit too is not local max ?
1248 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1249 maxAt[iDigit] = 0 ;
1250 } else {
1251 maxAt[iDigit] = 0 ;
1252 // but may be digitN too is not local max ?
1253 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1254 maxAt[iDigitN] = 0 ;
1255 }
1256 } // if Areneighbours
1257 } // while digitN
1258 } // slot not empty
1259 } // while digit
1260
1261 iDigitN = 0 ;
1262 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1263 if(maxAt[iDigit] ){
1264 maxAt[iDigitN] = maxAt[iDigit] ;
1265 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1266 iDigitN++ ;
1267 }
1268 }
1269
1270 return iDigitN ;
1271}
1272
1273//____________________________________________________________________________
1274Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1275{
1276 // Get the primary track index in TreeK which deposits the most energy
1277 // in Digits which forms RecPoint.
1278
1279 if (fMulTrack)
1280 return fTracksList[0];
1281 return -12345;
1282}
1283
1284//____________________________________________________________________________
1285void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1286 // time is set to the time of the digit with the maximum energy
1287
1288 Float_t maxE = 0;
1289 Int_t maxAt = 0;
1290 for(Int_t idig=0; idig < fMulDigit; idig++){
1291 if(fEnergyList[idig] > maxE){
1292 maxE = fEnergyList[idig] ;
1293 maxAt = idig;
1294 }
1295 }
1296 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
1297
1298}
1299
1300//______________________________________________________________________________
1301void AliEMCALRecPoint::Paint(Option_t *)
1302{
1303 // Paint this ALiRecPoint as a TMarker with its current attributes
1304
1305 TVector3 pos(0.,0.,0.) ;
1306 GetLocalPosition(pos) ;
1307 Coord_t x = pos.X() ;
1308 Coord_t y = pos.Z() ;
1309 Color_t markercolor = 1 ;
1310 Size_t markersize = 1.;
1311 Style_t markerstyle = 5 ;
1312
1313 if (!gPad->IsBatch()) {
1314 gVirtualX->SetMarkerColor(markercolor) ;
1315 gVirtualX->SetMarkerSize (markersize) ;
1316 gVirtualX->SetMarkerStyle(markerstyle) ;
1317 }
1318 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1319 gPad->PaintPolyMarker(1,&x,&y,"") ;
1320}
1321
1322//_____________________________________________________________________
1323Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1324{
1325 // e energy in GeV)
1326 // key = 0(gamma, default)
1327 // != 0(electron)
1328 const Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
1329 Double_t tmax = 0.; // position of electromagnetic shower max in cm
1330
1331 Double_t x0 = 1.31; // radiation lenght (cm)
1332 //If old geometry in use
1333 if(!((fGeomPtr->GetEMCGeometry()->GetGeoName()).Contains("V1"))) x0 = 1.28;
1334
1335 if(e>0.1) {
1336 tmax = TMath::Log(e) + ca;
1337 if (key==0) tmax += 0.5;
1338 else tmax -= 0.5;
1339 tmax *= x0; // convert to cm
1340 }
1341 return tmax;
1342}
1343
1344//______________________________________________________________________________
1345Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1346{
1347 //Converts Theta (Radians) to Eta(Radians)
1348 return (2.*TMath::ATan(TMath::Exp(-arg)));
1349}
1350
1351//______________________________________________________________________________
1352Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1353{
1354 //Converts Eta (Radians) to Theta(Radians)
1355 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1356}
1357
1358//____________________________________________________________________________
1359void AliEMCALRecPoint::Print(Option_t *opt) const
1360{
1361 // Print the list of digits belonging to the cluster
1362 if(strlen(opt)==0) return;
1363 TString message ;
1364 message = "AliEMCALRecPoint:\n" ;
1365 message += " digits # = " ;
1366 AliInfo(message.Data()) ;
1367
1368 Int_t iDigit;
1369 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1370 printf(" %d ", fDigitsList[iDigit] ) ;
1371 printf("\n");
1372
1373 AliInfo(" Energies = ") ;
1374 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1375 printf(" %f ", fEnergyList[iDigit] ) ;
1376 printf("\n");
1377
1378 AliInfo("\n Abs Ids = ") ;
1379 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1380 printf(" %i ", fAbsIdList[iDigit] ) ;
1381 printf("\n");
1382
1383 AliInfo(" Primaries ") ;
1384 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1385 printf(" %d ", fTracksList[iDigit]) ;
1386
1387 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1388
1389 message = " ClusterType = %d" ;
1390 message += " Multiplicity = %d" ;
1391 message += " Cluster Energy = %f" ;
1392 message += " Core energy = %f" ;
1393 message += " Core radius = %f" ;
1394 message += " Number of primaries %d" ;
1395 message += " Stored at position %d" ;
1396 AliInfo(Form(message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList()) ) ;
1397}
1398
1399//___________________________________________________________
1400Double_t AliEMCALRecPoint::GetPointEnergy() const
1401{
1402 //Returns energy ....
1403 Double_t e=0.0;
1404 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1405 return e;
1406}