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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),
62 fEnergyList(0), fTimeList(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),
84 fEnergyList(new Float_t[fMaxDigit]), fTimeList(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),
9aa6a5f6 113 fEnergyList(new Float_t[rp.fMaxDigit]), fTimeList(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];
127 fTimeList[i] = rp.fTimeList[i];
128 fAbsIdList[i] = rp.fAbsIdList[i];
129 }
9aa6a5f6 130
af5bdd85 131 for(Int_t i = 0; i < rp.fMulTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
9aa6a5f6 132
133 for(Int_t i = 0; i < rp.fMulParent; i++) {
134 fParentsList[i] = rp.fParentsList[i];
135 fDEParentsList[i] = rp.fDEParentsList[i];
136 }
0a4cb131 137
138}
139//____________________________________________________________________________
70a93198 140AliEMCALRecPoint::~AliEMCALRecPoint()
141{
142 // dtor
143 if ( fEnergyList )
144 delete[] fEnergyList ;
85c60a8e 145 if ( fTimeList )
146 delete[] fTimeList ;
e52475ed 147 if ( fAbsIdList )
148 delete[] fAbsIdList ;
af5bdd85 149 if ( fDETracksList)
150 delete[] fDETracksList;
87cdc3be 151 if ( fParentsList)
152 delete[] fParentsList;
af5bdd85 153 if ( fDEParentsList)
154 delete[] fDEParentsList;
25bb3dcb 155
9aa6a5f6 156 delete [] fDigitsList ;
157 delete [] fTracksList ;
158}
159
160//____________________________________________________________________________
161AliEMCALRecPoint& AliEMCALRecPoint::operator= (const AliEMCALRecPoint &rp)
162{
37890aaf 163 // assignment operator
164
9aa6a5f6 165 if(&rp == this) return *this;
166
167 fGeomPtr = rp.fGeomPtr;
168 fAmp = rp.fAmp;
169 fIndexInList = rp.fIndexInList;
25bb3dcb 170 fGlobPos = rp.fGlobPos;
171 fLocPos = rp.fLocPos;
9aa6a5f6 172 fMaxDigit = rp.fMaxDigit;
173 fMulDigit = rp.fMulDigit;
174 fMaxTrack = rp.fMaxTrack;
175 fMulTrack = rp.fMaxTrack;
176 for(Int_t i = 0; i<fMaxDigit; i++) fDigitsList[i] = rp.fDigitsList[i];
177 for(Int_t i = 0; i<fMaxTrack; i++) fTracksList[i] = rp.fTracksList[i];
178 fClusterType = rp.fClusterType;
6ce4e2ed 179 fCoreEnergy = rp.fCoreEnergy;
180 fDispersion = rp.fDispersion;
9aa6a5f6 181 for(Int_t i = 0; i<fMaxDigit; i++) {
182 fEnergyList[i] = rp.fEnergyList[i];
6ce4e2ed 183 fTimeList[i] = rp.fTimeList[i];
184 fAbsIdList[i] = rp.fAbsIdList[i];
9aa6a5f6 185 }
186 fTime = rp.fTime;
0561e246 187 fNExMax = rp.fNExMax;
9aa6a5f6 188 fCoreRadius = rp.fCoreRadius;
189 for(Int_t i = 0; i < fMaxTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
190 fMulParent = rp.fMulParent;
191 fMaxParent = rp.fMaxParent;
192 for(Int_t i = 0; i < fMaxParent; i++) {
193 fParentsList[i] = rp.fParentsList[i];
194 fDEParentsList[i] = rp.fDEParentsList[i];
195 }
196 fSuperModuleNumber = rp.fSuperModuleNumber;
197 fDigitIndMax = rp.fDigitIndMax;
198
199 fLambda[0] = rp.fLambda[0];
200 fLambda[1] = rp.fLambda[1];
40164976 201
202 fDistToBadTower = rp.fDistToBadTower;
25bb3dcb 203 fSharedCluster = rp.fSharedCluster;
40164976 204
9aa6a5f6 205 return *this;
206
70a93198 207}
208
209//____________________________________________________________________________
6ce4e2ed 210void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, Float_t energy, Bool_t shared)
70a93198 211{
212 // Adds a digit to the RecPoint
213 // and accumulates the total amplitude and the multiplicity
214
215 if(fEnergyList == 0)
216 fEnergyList = new Float_t[fMaxDigit];
85c60a8e 217 if(fTimeList == 0)
218 fTimeList = new Float_t[fMaxDigit];
e52475ed 219 if(fAbsIdList == 0) {
220 fAbsIdList = new Int_t[fMaxDigit];
e52475ed 221 }
70a93198 222
223 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
224 fMaxDigit*=2 ;
6ce4e2ed 225 Int_t * tempo = new Int_t[fMaxDigit];
226 Float_t * tempoE = new Float_t[fMaxDigit];
227 Float_t * tempoT = new Float_t[fMaxDigit];
228 Int_t * tempoId = new Int_t[fMaxDigit];
70a93198 229
230 Int_t index ;
231 for ( index = 0 ; index < fMulDigit ; index++ ){
e52475ed 232 tempo[index] = fDigitsList[index] ;
233 tempoE[index] = fEnergyList[index] ;
85c60a8e 234 tempoT[index] = fTimeList[index] ;
e52475ed 235 tempoId[index] = fAbsIdList[index] ;
70a93198 236 }
237
94478418 238 delete [] fDigitsList ;
70a93198 239 delete [] fEnergyList ;
85c60a8e 240 delete [] fTimeList ;
e52475ed 241 delete [] fAbsIdList ;
e52475ed 242
94478418 243 fDigitsList = tempo;
244 fEnergyList = tempoE;
6ce4e2ed 245 fTimeList = tempoT;
246 fAbsIdList = tempoId;
70a93198 247 } // if
248
249 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
6ce4e2ed 250 fEnergyList[fMulDigit] = energy ;
94478418 251 fTimeList[fMulDigit] = digit.GetTimeR() ;
e52475ed 252 fAbsIdList[fMulDigit] = digit.GetId();
70a93198 253 fMulDigit++ ;
6ce4e2ed 254 fAmp += energy ;
25bb3dcb 255
256 if(shared) fSharedCluster = kTRUE;
257
258 //GCB, May-2010, setting moved to EvalAll method, set the super module number for the largest energy digit position.
9aa6a5f6 259 //JLK 10-Oct-2007 this hasn't been filled before because it was in
260 //the wrong place in previous versions.
261 //Now we evaluate it only if the supermodulenumber for this recpoint
262 //has not yet been set (or is the 0th one)
25bb3dcb 263 //if(fSuperModuleNumber == 0)
264 //fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(digit.GetId());
9aa6a5f6 265
70a93198 266}
267//____________________________________________________________________________
268Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const
269{
270 // Tells if (true) or not (false) two digits are neighbours
271 // A neighbour is defined as being two digits which share a corner
25bb3dcb 272 // ONLY USED IN CASE OF UNFOLDING
273
47583f1b 274 Bool_t areNeighbours = kFALSE ;
275 Int_t nSupMod=0, nModule=0, nIphi=0, nIeta=0;
276 Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0;
277 Int_t relid1[2] , relid2[2] ; // ieta, iphi
278 Int_t rowdiff=0, coldiff=0;
70a93198 279
e52475ed 280 areNeighbours = kFALSE ;
281
2bb3725c 282 fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nModule,nIphi,nIeta);
283 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, relid1[0],relid1[1]);
e52475ed 284
2bb3725c 285 fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
286 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, relid2[0],relid2[1]);
70a93198 287
25bb3dcb 288 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2-1
289 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
290 if(fSharedCluster){
291 if(nSupMod1%2) relid1[1]+=AliEMCALGeoParams::fgkEMCALCols;
292 else relid2[1]+=AliEMCALGeoParams::fgkEMCALCols;
293 }
294
e52475ed 295 rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
296 coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
70a93198 297
298 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
e52475ed 299 areNeighbours = kTRUE ;
ab48128d 300
70a93198 301 return areNeighbours;
302}
303
304//____________________________________________________________________________
305Int_t AliEMCALRecPoint::Compare(const TObject * obj) const
306{
307 // Compares two RecPoints according to their position in the EMCAL modules
308
25bb3dcb 309 Float_t delta = 1 ; //Width of "Sorting row".
310
53e430a3 311 Int_t rv = 2 ;
70a93198 312
313 AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ;
314
315 TVector3 locpos1;
316 GetLocalPosition(locpos1);
317 TVector3 locpos2;
318 clu->GetLocalPosition(locpos2);
319
9848d950 320 Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ;
70a93198 321 if (rowdif> 0)
322 rv = 1 ;
323 else if(rowdif < 0)
324 rv = -1 ;
325 else if(locpos1.Y()>locpos2.Y())
326 rv = -1 ;
327 else
328 rv = 1 ;
329
330 return rv ;
ab48128d 331}
332
25bb3dcb 333// GCB, May-2010, Method not used, just comment it but remove?
ab48128d 334//____________________________________________________________________________
25bb3dcb 335//Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
336//{
337// // Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker
338// // Compute the closest distance of approach from point px,py to this marker.
339// // The distance is computed in pixels units.
340// // HG Still need to update -> Not sure what this should achieve
341//
342// TVector3 pos(0.,0.,0.) ;
343// GetLocalPosition(pos) ;
344// Float_t x = pos.X() ;
345// Float_t y = pos.Y() ;
346// const Int_t kMaxDiff = 10;
347// Int_t pxm = gPad->XtoAbsPixel(x);
348// Int_t pym = gPad->YtoAbsPixel(y);
349// Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
350//
351// if (dist > kMaxDiff) return 9999;
352// return dist;
353//}
ab48128d 354
355//___________________________________________________________________________
356 void AliEMCALRecPoint::Draw(Option_t *option)
357 {
358 // Draw this AliEMCALRecPoint with its current attributes
359
360 AppendPad(option);
361 }
362
25bb3dcb 363// GCB, May-2010, Method not used, just comment it but remove?
ab48128d 364//______________________________________________________________________________
25bb3dcb 365//void AliEMCALRecPoint::ExecuteEvent(Int_t /*event*/, Int_t, Int_t)
366//{
367// // Execute action corresponding to one event
368// // This member function is called when a AliEMCALRecPoint is clicked with the locator
369// //
370// // If Left button is clicked on AliEMCALRecPoint, the digits are switched on
371// // and switched off when the mouse button is released.
372//
373// // static Int_t pxold, pyold;
374//
375// /* static TGraph * digitgraph = 0 ;
376// static TPaveText* clustertext = 0 ;
377//
378// if (!gPad->IsEditable()) return;
379//
380// switch (event) {
381//
382//
383// case kButton1Down:{
384// AliEMCALDigit * digit ;
385//
386// Int_t iDigit;
387// Int_t relid[2] ;
388//
389// const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ;
390// Float_t * xi = new Float_t [kMulDigit] ;
391// Float_t * zi = new Float_t [kMulDigit] ;
392//
393// for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
394// Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code");
395// digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]);
396// fGeomPtr->AbsToRelNumbering(digit->GetId(), relid) ;
397// fGeomPtr->PosInAlice(relid, xi[iDigit], zi[iDigit]) ;
398// }
399//
400// if (!digitgraph) {
401// digitgraph = new TGraph(fMulDigit,xi,zi);
402// digitgraph-> SetMarkerStyle(5) ;
403// digitgraph-> SetMarkerSize(1.) ;
404// digitgraph-> SetMarkerColor(1) ;
405// digitgraph-> Draw("P") ;
406// }
407// if (!clustertext) {
408//
409// TVector3 pos(0.,0.,0.) ;
410// GetLocalPosition(pos) ;
411// clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
412// Text_t line1[40] ;
413// Text_t line2[40] ;
414// sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
415// sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
416// clustertext ->AddText(line1) ;
417// clustertext ->AddText(line2) ;
418// clustertext ->Draw("");
419// }
420// gPad->Update() ;
421// Print("") ;
422// delete[] xi ;
423// delete[] zi ;
424// }
425//
426//break;
427//
428// case kButton1Up:
429// if (digitgraph) {
430// delete digitgraph ;
431// digitgraph = 0 ;
432// }
433// if (clustertext) {
434// delete clustertext ;
435// clustertext = 0 ;
436// }
437//
438// break;
439//
440// }*/
441//}
ab48128d 442
70a93198 443//____________________________________________________________________________
444void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits)
445{
25bb3dcb 446 // Evaluates cluster parameters
447
448 // First calculate the index of digit with maximum amplitude and get
449 // the supermodule number where it sits.
6ce4e2ed 450
25bb3dcb 451 fDigitIndMax = GetMaximalEnergyIndex();
452 fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(GetAbsIdMaxDigit());
453
454 //Evaluate global and local position
455 EvalGlobalPosition(logWeight, digits) ;
70a93198 456 EvalLocalPosition(logWeight, digits) ;
25bb3dcb 457
458 //Evaluate shower parameters
70a93198 459 EvalElipsAxis(logWeight, digits) ;
460 EvalDispersion(logWeight, digits) ;
25bb3dcb 461
4635df1f 462 //EvalCoreEnergy(logWeight, digits);
70a93198 463 EvalTime(digits) ;
87cdc3be 464 EvalPrimaries(digits) ;
465 EvalParents(digits);
40164976 466
9aa6a5f6 467 //Called last because it sets the global position of the cluster?
468 EvalLocal2TrackingCSTransform();
469
70a93198 470}
471
472//____________________________________________________________________________
473void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
474{
475 // Calculates the dispersion of the shower at the origin of the RecPoint
1d46d1f6 476 // in cell units - Nov 16,2006
70a93198 477
1d46d1f6 478 Double_t d = 0., wtot = 0., w = 0.;
af5bdd85 479 Int_t iDigit=0, nstat=0;
53e430a3 480 AliEMCALDigit * digit=0;
25bb3dcb 481
1d46d1f6 482 // Calculates the dispersion in cell units
483 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
2bb3725c 484 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 485 int iphi=0, ieta=0;
486 // Calculate mean values
70a93198 487 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
488 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1963b290 489
1d46d1f6 490 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 491 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
492 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 493
494 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
495 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
496 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
497
1d46d1f6 498 etai=(Double_t)ieta;
499 phii=(Double_t)iphi;
500 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
501
502 if(w>0.0) {
503 phiMean += phii*w;
504 etaMean += etai*w;
505 wtot += w;
506 }
507 }
508 }
509 if (wtot>0) {
510 phiMean /= wtot ;
511 etaMean /= wtot ;
512 } else AliError(Form("Wrong weight %f\n", wtot));
70a93198 513
1d46d1f6 514 // Calculate dispersion
515 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
516 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
517
518 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 519 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
520 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 521
522 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
523 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
524 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
525
1d46d1f6 526 etai=(Double_t)ieta;
527 phii=(Double_t)iphi;
528 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
529
530 if(w>0.0) {
531 nstat++;
532 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
e52475ed 533 }
534 }
ab48128d 535 }
70a93198 536
e52475ed 537 if ( wtot > 0 && nstat>1) d /= wtot ;
538 else d = 0. ;
70a93198 539
540 fDispersion = TMath::Sqrt(d) ;
25bb3dcb 541 //printf("AliEMCALRecPoint::EvalDispersion() : Dispersion %f \n",fDispersion);
ab48128d 542}
70a93198 543
40164976 544//____________________________________________________________________________
545void AliEMCALRecPoint::EvalDistanceToBadChannels(AliCaloCalibPedestal* caloped)
546{
547 //For each EMC rec. point set the distance to the nearest bad channel.
548 //AliInfo(Form("%d bad channel(s) found.\n", caloped->GetDeadTowerCount()));
2ebdefe6 549 //It is done in cell units and not in global or local position as before (Sept 2010)
40164976 550
551 if(!caloped->GetDeadTowerCount()) return;
25bb3dcb 552
553 //Get channels map of the supermodule where the cluster is.
554 TH2D* hMap = caloped->GetDeadMap(fSuperModuleNumber);
40164976 555
2ebdefe6 556 Int_t dRrow, dReta;
557 Float_t minDist = 10000.;
558 Float_t dist = 0.;
559 Int_t nSupMod, nModule;
560 Int_t nIphi, nIeta;
561 Int_t iphi, ieta;
562 fDigitIndMax = GetMaximalEnergyIndex();
563 fGeomPtr->GetCellIndex(fAbsIdList[fDigitIndMax], nSupMod,nModule,nIphi,nIeta);
564 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
565
566 // TVector3 dR;
567 // TVector3 cellpos;
568 // Float_t minDist = 100000;
569 // Float_t dist = 0;
570 // Int_t absId = -1;
571
572 //Loop on tower status map
40164976 573 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
574 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
575 //Check if tower is bad.
576 if(hMap->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
2ebdefe6 577 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
578
579 dRrow=TMath::Abs(irow-iphi);
580 dReta=TMath::Abs(icol-ieta);
581 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
25bb3dcb 582 if(dist < minDist) minDist = dist;
2ebdefe6 583
584 // //Tower is bad, get the absId of the index.
585 // absId = fGeomPtr->GetAbsCellIdFromCellIndexes(fSuperModuleNumber, irow, icol);
586 //
587 // //Get the position of this tower.
588 //
589 // //Calculate the distance in local coordinates
590 // //fGeomPtr->RelPosCellInSModule(absId,cellpos);
591 // //Calculate distance between this tower and cluster, set if is smaller than previous.
592 // //dR = cellpos-fLocPos;
593 //
594 // //Calculate the distance in global coordinates
595 // fGeomPtr->GetGlobal(absId,cellpos);
596 // //Calculate distance between this tower and cluster, set if it is smaller than previous.
597 // dR = cellpos-fGlobPos;
598 //
599 // dist = dR.Mag();
600 // if(dist < minDist) minDist = dist;
601
40164976 602 }
89dc5acd 603 }
2ebdefe6 604
25bb3dcb 605 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
606 if (fSharedCluster) {
607 TH2D* hMap2 = 0;
608 Int_t nSupMod2 = -1;
609
610 //The only possible combinations are (0,1), (2,3) ... (10,11)
611 if(fSuperModuleNumber%2) nSupMod2 = fSuperModuleNumber-1;
612 else nSupMod2 = fSuperModuleNumber+1;
613 hMap2 = caloped->GetDeadMap(nSupMod2);
2ebdefe6 614
25bb3dcb 615 //Loop on tower status map of second super module
616 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
617 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
618 //Check if tower is bad.
619 if(hMap2->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
620 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
2ebdefe6 621
622 dRrow=TMath::Abs(irow-iphi);
623
624 if(fSuperModuleNumber%2) {
625 dReta=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+ieta));
626 }
627 else {
628 dReta=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-ieta);
629 }
630
631 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
632 if(dist < minDist) minDist = dist;
633
634//
635// //Tower is bad, get the absId of the index.
636// absId = fGeomPtr->GetAbsCellIdFromCellIndexes(nSupMod2, irow, icol);
637//
638// //Get the position of this tower.
639//
640// //Calculate the distance in global coordinates
641// fGeomPtr->GetGlobal(absId,cellpos);
642// //Calculate distance between this tower and cluster, set if it is smaller than previous.
643// dR = cellpos-fGlobPos;
644//
645// dist = dR.Mag();
646// if(dist < minDist) minDist = dist;
25bb3dcb 647 }
648 }
649
650 }// shared cluster in 2 SuperModules
2ebdefe6 651
40164976 652 fDistToBadTower = minDist;
25bb3dcb 653 //printf("AliEMCALRecPoint::EvalDistanceToBadChannel() - Distance to Bad is %f cm, shared cluster? %d \n",fDistToBadTower,fSharedCluster);
40164976 654}
655
656
ab48128d 657//____________________________________________________________________________
70a93198 658void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
88cb7938 659{
25bb3dcb 660 // Calculates the center of gravity in the local EMCAL-module coordinates
661 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
662
53e430a3 663 AliEMCALDigit * digit=0;
25bb3dcb 664 Int_t i=0, nstat=0;
665
47583f1b 666 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 667 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
668
669 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
670
671 //printf(" dist : %f e : %f \n", dist, fAmp);
672 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
673 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
674
2ebdefe6 675 if(!digit) {
676 AliError("No Digit!!");
677 continue;
678 }
679
25bb3dcb 680 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
681 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
682
683 //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
684 if(fSharedCluster && fSuperModuleNumber != fGeomPtr->GetSuperModuleNumber(digit->GetId())) xyzi[1]*=-1;
685
686 //printf("EvalLocalPosition Cell: Id %i, SM %i : dist %f Local x,y,z %f %f %f \n",
687 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()), dist, xyzi[0], xyzi[1], xyzi[2]);
688
689 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
690 else w = fEnergyList[iDigit]; // just energy
691
692 if(w>0.0) {
693 wtot += w ;
694 nstat++;
695 for(i=0; i<3; i++ ) {
696 clXYZ[i] += (w*xyzi[i]);
697 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
698 }
699 }
700 }
701 // cout << " wtot " << wtot << endl;
702 if ( wtot > 0 ) {
703 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
704 for(i=0; i<3; i++ ) {
705 clXYZ[i] /= wtot;
706 if(nstat>1) {
707 clRmsXYZ[i] /= (wtot*wtot);
708 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
709 if(clRmsXYZ[i] > 0.0) {
710 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
711 } else clRmsXYZ[i] = 0;
712 } else clRmsXYZ[i] = 0;
713 }
714 } else {
715 for(i=0; i<3; i++ ) {
716 clXYZ[i] = clRmsXYZ[i] = -1.;
717 }
718 }
719 // clRmsXYZ[i] ??
720
721// // Cluster of one single digit, smear the position to avoid discrete position
722// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
723// // Rndm generates a number in ]0,1]
724// if (fMulDigit==1) {
725// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
726// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
727// }
728
729 //Set position in local vector
730 fLocPos.SetX(clXYZ[0]);
731 fLocPos.SetY(clXYZ[1]);
732 fLocPos.SetZ(clXYZ[2]);
733
734 if (gDebug==2)
735 printf("EvalLocalPosition Cluster: Local (x,y,z) = (%f,%f,%f) \n", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
736
737}
738
739
740//____________________________________________________________________________
741void AliEMCALRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
742{
743 // Calculates the center of gravity in the global ALICE coordinates
e52475ed 744 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
70a93198 745
53e430a3 746 AliEMCALDigit * digit=0;
25bb3dcb 747 Int_t i=0, nstat=0;
748
47583f1b 749 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 750 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
751
752 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, lxyzi[3], xyzi[3], wtot=0., w=0.;
70a93198 753
1ae500a2 754 //printf(" dist : %f e : %f \n", dist, fAmp);
e52475ed 755 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 756 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
e52475ed 757
2ebdefe6 758 if(!digit) {
759 AliError("No Digit!!");
760 continue;
761 }
762
25bb3dcb 763 //Get the local coordinates of the cell
764 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, lxyzi[0], lxyzi[1], lxyzi[2]);
765 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, lxyzi[0], lxyzi[1], lxyzi[2]);
766
767 //Now get the global coordinate
768 fGeomPtr->GetGlobal(lxyzi,xyzi, fGeomPtr->GetSuperModuleNumber(digit->GetId()));
769 //TVector3 pos(xyzi[0], xyzi[1], xyzi[2]);
770 //printf("EvalGlobalPosition Cell: Id %i, SM %i : dist %f Local (x,y,z) = (%f %f %f), eta %f, phi%f \n",
771 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()),dist, xyzi[0], xyzi[1], xyzi[2],pos.Eta(),pos.Phi()*TMath::RadToDeg());
772
af5bdd85 773 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
774 else w = fEnergyList[iDigit]; // just energy
ab48128d 775
e52475ed 776 if(w>0.0) {
777 wtot += w ;
778 nstat++;
779 for(i=0; i<3; i++ ) {
780 clXYZ[i] += (w*xyzi[i]);
781 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
782 }
783 }
784 }
785 // cout << " wtot " << wtot << endl;
70a93198 786 if ( wtot > 0 ) {
e52475ed 787 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
788 for(i=0; i<3; i++ ) {
789 clXYZ[i] /= wtot;
790 if(nstat>1) {
791 clRmsXYZ[i] /= (wtot*wtot);
792 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
793 if(clRmsXYZ[i] > 0.0) {
794 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
795 } else clRmsXYZ[i] = 0;
796 } else clRmsXYZ[i] = 0;
797 }
70a93198 798 } else {
e52475ed 799 for(i=0; i<3; i++ ) {
800 clXYZ[i] = clRmsXYZ[i] = -1.;
801 }
70a93198 802 }
e52475ed 803 // clRmsXYZ[i] ??
25bb3dcb 804
805// // Cluster of one single digit, smear the position to avoid discrete position
806// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
807// // Rndm generates a number in ]0,1]
808// if (fMulDigit==1) {
809// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
810// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
811// }
812
813 //Set position in global vector
814 fGlobPos.SetX(clXYZ[0]);
815 fGlobPos.SetY(clXYZ[1]);
816 fGlobPos.SetZ(clXYZ[2]);
817
818 if (gDebug==2)
819 printf("EvalGlobalPosition Cluster: (x ,y ,z) = (%f,%f,%f), eta %f,phi %f\n",
820 fGlobPos.X(), fGlobPos.Y(), fGlobPos.Z(),fGlobPos.Eta(),fGlobPos.Phi()*TMath::RadToDeg()) ;
ab48128d 821}
822
1ae500a2 823//____________________________________________________________________________
824void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
825Double_t phiSlope, TClonesArray * digits)
826{
47583f1b 827 // Evaluates local position of clusters in SM
828
829 Double_t ycorr=0;
830 AliEMCALDigit *digit=0;
25bb3dcb 831 Int_t i=0, nstat=0;
1ae500a2 832 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
833
47583f1b 834 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 835 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
836
1ae500a2 837 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
838 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
a51e676d 839 if(digit){
840 dist = deff;
841 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
842 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
843
844 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
845 else w = fEnergyList[iDigit]; // just energy
846
847 if(w>0.0) {
848 wtot += w ;
849 nstat++;
850 for(i=0; i<3; i++ ) {
851 clXYZ[i] += (w*xyzi[i]);
852 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
853 }
1ae500a2 854 }
a51e676d 855 }else AliError("Digit null");
856 }//loop
1ae500a2 857 // cout << " wtot " << wtot << endl;
858 if ( wtot > 0 ) {
859 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
860 for(i=0; i<3; i++ ) {
861 clXYZ[i] /= wtot;
862 if(nstat>1) {
863 clRmsXYZ[i] /= (wtot*wtot);
864 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
865 if(clRmsXYZ[i] > 0.0) {
866 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
867 } else clRmsXYZ[i] = 0;
868 } else clRmsXYZ[i] = 0;
869 }
870 } else {
871 for(i=0; i<3; i++ ) {
872 clXYZ[i] = clRmsXYZ[i] = -1.;
873 }
874 }
875 // clRmsXYZ[i] ??
876 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
877 // Correction in phi direction (y - coords here); Aug 16;
878 // May be put to global level or seperate method
879 ycorr = clXYZ[1] * (1. + phiSlope);
880 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
881 clXYZ[1] = ycorr;
882 }
25bb3dcb 883
1ae500a2 884 fLocPos.SetX(clXYZ[0]);
885 fLocPos.SetY(clXYZ[1]);
886 fLocPos.SetZ(clXYZ[2]);
887
888// if (gDebug==2)
889// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
1ae500a2 890}
891
9aa6a5f6 892//_____________________________________________________________________________
1ae500a2 893Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
894{
895 // Evaluated local position of rec.point using digits
896 // and parametrisation of w0 and deff
897 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
898 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
899}
900
9aa6a5f6 901//_____________________________________________________________________________
1ae500a2 902Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
903{
904 // Used when digits should be recalibrated
47583f1b 905 Double_t deff=0, w0=0, esum=0;
906 Int_t iDigit=0;
907 // AliEMCALDigit *digit;
1ae500a2 908
909 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
910
911 // Calculate sum energy of digits
912 esum = 0.0;
913 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
914
915 GetDeffW0(esum, deff, w0);
916
917 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
918}
919
9aa6a5f6 920//_____________________________________________________________________________
921Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
1ae500a2 922{
40164976 923 //Evaluate position of digits in supermodule.
47583f1b 924 AliEMCALDigit *digit=0;
1ae500a2 925
25bb3dcb 926 Int_t i=0, nstat=0;
1ae500a2 927 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
25bb3dcb 928 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
929
9aa6a5f6 930 // Get pointer to EMCAL geometry
931 // (can't use fGeomPtr in static method)
932 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
933
1ae500a2 934 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
935 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
a51e676d 936 if(digit){
937 //geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
938 geo->RelPosCellInSModule(digit->GetId(), deff, xyzi[0], xyzi[1], xyzi[2]);
939
940 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
941 else w = ed[iDigit]; // just energy
942
943 if(w>0.0) {
944 wtot += w ;
945 nstat++;
946 for(i=0; i<3; i++ ) {
947 clXYZ[i] += (w*xyzi[i]);
948 }
1ae500a2 949 }
a51e676d 950 }else AliError("Digit null");
951 }//loop
1ae500a2 952 // cout << " wtot " << wtot << endl;
953 if (wtot > 0) {
954 for(i=0; i<3; i++ ) {
955 clXYZ[i] /= wtot;
956 }
957 locPos.SetX(clXYZ[0]);
958 locPos.SetY(clXYZ[1]);
959 locPos.SetZ(clXYZ[2]);
960 return kTRUE;
961 } else {
962 return kFALSE;
963 }
964
965}
966
9aa6a5f6 967//_____________________________________________________________________________
1ae500a2 968void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
969{
970 //
971 // Aug 31, 2001
972 // Applied for simulation data with threshold 3 adc
973 // Calculate efective distance (deff) and weigh parameter (w0)
974 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
975 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
976 //
47583f1b 977 Double_t e=0.0;
37890aaf 978 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
979 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
1ae500a2 980
981 // No extrapolation here
982 e = esum<0.5?0.5:esum;
983 e = e>100.?100.:e;
984
37890aaf 985 deff = kdp0 + kdp1*TMath::Log(e);
986 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
1ae500a2 987 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
988}
e52475ed 989
70a93198 990//______________________________________________________________________________
991void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
992{
993 // This function calculates energy in the core,
4635df1f 994 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
70a93198 995 // in accordance with shower profile the energy deposition
996 // should be less than 2%
1d46d1f6 997 // Unfinished - Nov 15,2006
998 // Distance is calculate in (phi,eta) units
70a93198 999
53e430a3 1000 AliEMCALDigit * digit = 0 ;
5dee926e 1001
53e430a3 1002 Int_t iDigit=0;
70a93198 1003
e52475ed 1004 if (!fLocPos.Mag()) {
70a93198 1005 EvalLocalPosition(logWeight, digits);
1006 }
1007
1d46d1f6 1008 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
1009 Double_t eta, phi, distance;
70a93198 1010 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
1011 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
4635df1f 1012
1d46d1f6 1013 eta = phi = 0.0;
1014 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
1015 phi = phi * TMath::DegToRad();
70a93198 1016
1d46d1f6 1017 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
70a93198 1018 if(distance < fCoreRadius)
1019 fCoreEnergy += fEnergyList[iDigit] ;
1020 }
1021
1022}
ab48128d 1023//____________________________________________________________________________
70a93198 1024void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
ab48128d 1025{
70a93198 1026 // Calculates the axis of the shower ellipsoid in eta and phi
1d46d1f6 1027 // in cell units
ab48128d 1028
47583f1b 1029 TString gn(fGeomPtr->GetName());
1d46d1f6 1030
1031 Double_t wtot = 0.;
70a93198 1032 Double_t x = 0.;
1033 Double_t z = 0.;
1034 Double_t dxx = 0.;
1035 Double_t dzz = 0.;
1036 Double_t dxz = 0.;
ab48128d 1037
1d46d1f6 1038 AliEMCALDigit * digit = 0;
25bb3dcb 1039
53e430a3 1040 Double_t etai =0, phii=0, w=0;
2bb3725c 1041 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 1042 int iphi=0, ieta=0;
1043 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 1044 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1d46d1f6 1045 etai = phii = 0.;
1d46d1f6 1046 // Nov 15,2006 - use cell numbers as coordinates
1047 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
1048 // We can use the eta,phi(or coordinates) of cell
dc77cc84 1049 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
1d46d1f6 1050
dc77cc84 1051 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
1052 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 1053
1054 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1055 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1056 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1057
dc77cc84 1058 etai=(Double_t)ieta;
1059 phii=(Double_t)iphi;
25bb3dcb 1060
1d46d1f6 1061 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
1062 // fAmp summed amplitude of digits, i.e. energy of recpoint
1063 // Gives smaller value of lambda than log weight
1064 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
ff1e7e2f 1065
70a93198 1066 dxx += w * etai * etai ;
1067 x += w * etai ;
1068 dzz += w * phii * phii ;
1069 z += w * phii ;
1963b290 1070
ff1e7e2f 1071 dxz += w * etai * phii ;
1963b290 1072
70a93198 1073 wtot += w ;
1074 }
ff1e7e2f 1075
70a93198 1076 if ( wtot > 0 ) {
1077 dxx /= wtot ;
1078 x /= wtot ;
1079 dxx -= x * x ;
1080 dzz /= wtot ;
1081 z /= wtot ;
1082 dzz -= z * z ;
1083 dxz /= wtot ;
1084 dxz -= x * z ;
ab48128d 1085
70a93198 1086 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
1087 if(fLambda[0] > 0)
1088 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
1089 else
1090 fLambda[0] = 0;
1091
1092 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
ff1e7e2f 1093
70a93198 1094 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
1095 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
1096 else
1097 fLambda[1]= 0. ;
1098 } else {
1099 fLambda[0]= 0. ;
1100 fLambda[1]= 0. ;
ab48128d 1101 }
ff1e7e2f 1102
25bb3dcb 1103 //printf("AliEMCALRecPoint::EvalElipsAxis() lambdas = %f,%f \n", fLambda[0],fLambda[1]) ;
ff1e7e2f 1104
ab48128d 1105}
1106
1107//______________________________________________________________________________
1108void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
1109{
af5bdd85 1110 // Constructs the list of primary particles (tracks) which
1111 // have contributed to this RecPoint and calculate deposited energy
1112 // for each track
ab48128d 1113
53e430a3 1114 AliEMCALDigit * digit =0;
af5bdd85 1115 Int_t * primArray = new Int_t[fMaxTrack] ;
7f3091e7 1116 memset(primArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1117 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
7f3091e7 1118 memset(dEPrimArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1119
ab48128d 1120 Int_t index ;
1121 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
1122 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1123 if(!digit) {
1124 AliError("No Digit!!");
1125 continue;
1126 }
1127
ab48128d 1128 Int_t nprimaries = digit->GetNprimary() ;
5c0368b8 1129 if ( nprimaries == 0 ) continue ;
ab48128d 1130 Int_t jndex ;
1131 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
1132 if ( fMulTrack > fMaxTrack ) {
2ebdefe6 1133 fMulTrack = fMaxTrack ;
1134 Error("EvalPrimaries", "increase fMaxTrack ") ;
1135 break ;
ab48128d 1136 }
af5bdd85 1137 Int_t newPrimary = digit->GetPrimary(jndex+1);
1138 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
ab48128d 1139 Int_t kndex ;
1140 Bool_t already = kFALSE ;
1141 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
2ebdefe6 1142 if ( newPrimary == primArray[kndex] ){
1143 already = kTRUE ;
1144 dEPrimArray[kndex] += dEPrimary;
1145 break ;
1146 }
ab48128d 1147 } // end of check
5c0368b8 1148 if ( !already && (fMulTrack < fMaxTrack)) { // store it
2ebdefe6 1149 primArray[fMulTrack] = newPrimary ;
1150 dEPrimArray[fMulTrack] = dEPrimary ;
1151 fMulTrack++ ;
ab48128d 1152 } // store it
1153 } // all primaries in digit
ab48128d 1154 } // all digits
2ebdefe6 1155
af5bdd85 1156 Int_t *sortIdx = new Int_t[fMulTrack];
1157 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
1158 for(index = 0; index < fMulTrack; index++) {
1159 fTracksList[index] = primArray[sortIdx[index]] ;
1160 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
1161 }
1162 delete [] sortIdx;
1163 delete [] primArray ;
1164 delete [] dEPrimArray ;
2ebdefe6 1165
ab48128d 1166}
7ee5c5be 1167
87cdc3be 1168//______________________________________________________________________________
1169void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
1170{
1171 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
2ebdefe6 1172
53e430a3 1173 AliEMCALDigit * digit=0 ;
af5bdd85 1174 Int_t * parentArray = new Int_t[fMaxTrack] ;
7f3091e7 1175 memset(parentArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1176 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
7f3091e7 1177 memset(dEParentArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1178
87cdc3be 1179 Int_t index ;
1180 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
94478418 1181 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
2ebdefe6 1182 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
87cdc3be 1183 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1184 if(!digit) {
1185 AliError("No Digit!!");
1186 continue;
1187 }
1188
87cdc3be 1189 Int_t nparents = digit->GetNiparent() ;
5c0368b8 1190 if ( nparents == 0 ) continue ;
2ebdefe6 1191
87cdc3be 1192 Int_t jndex ;
1193 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
1194 if ( fMulParent > fMaxParent ) {
2ebdefe6 1195 fMulTrack = - 1 ;
1196 Error("EvalParents", "increase fMaxParent") ;
1197 break ;
87cdc3be 1198 }
af5bdd85 1199 Int_t newParent = digit->GetIparent(jndex+1) ;
1200 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
87cdc3be 1201 Int_t kndex ;
1202 Bool_t already = kFALSE ;
f1d429fd 1203 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
2ebdefe6 1204 if ( newParent == parentArray[kndex] ){
1205 dEParentArray[kndex] += newdEParent;
1206 already = kTRUE ;
1207 break ;
1208 }
87cdc3be 1209 } // end of check
94478418 1210 if ( !already && (fMulParent < fMaxParent)) { // store it
2ebdefe6 1211 parentArray[fMulParent] = newParent ;
1212 dEParentArray[fMulParent] = newdEParent ;
1213 fMulParent++ ;
87cdc3be 1214 } // store it
1215 } // all parents in digit
87cdc3be 1216 } // all digits
2ebdefe6 1217
27e2a47c 1218 if (fMulParent>0) {
af5bdd85 1219 Int_t *sortIdx = new Int_t[fMulParent];
1220 TMath::Sort(fMulParent,dEParentArray,sortIdx);
1221 for(index = 0; index < fMulParent; index++) {
1222 fParentsList[index] = parentArray[sortIdx[index]] ;
1223 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
1224 }
1225 delete [] sortIdx;
27e2a47c 1226 }
2ebdefe6 1227
af5bdd85 1228 delete [] parentArray;
1229 delete [] dEParentArray;
87cdc3be 1230}
1231
70a93198 1232//____________________________________________________________________________
1233void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
1234{
9aa6a5f6 1235 // returns the position of the cluster in the local reference system
1236 // of the sub-detector
70a93198 1237
9aa6a5f6 1238 lpos = fLocPos;
70a93198 1239}
1240
ab48128d 1241//____________________________________________________________________________
1242void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
1243{
1244 // returns the position of the cluster in the global reference system of ALICE
70a93198 1245 // These are now the Cartesian X, Y and Z
e52475ed 1246 // cout<<" geom "<<geom<<endl;
25bb3dcb 1247 // fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
1248 gpos = fGlobPos;
1249
9aa6a5f6 1250}
1251
1252//____________________________________________________________________________
7cfcebd3 1253//void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
1254//{
1255// // returns the position of the cluster in the global reference system of ALICE
1256// // These are now the Cartesian X, Y and Z
1257// // cout<<" geom "<<geom<<endl;
1258//
1259// //To be implemented
1260// fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
1261//
1262//}
9aa6a5f6 1263
1264//_____________________________________________________________________________
1265void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
1266{
1267 //Evaluates local to "tracking" c.s. transformation (B.P.).
1268 //All evaluations should be completed before calling for this
1269 //function.
1270 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
1271 //or just ask Jouri Belikov. :)
1272
1273 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
1274
1275 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
1276 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
1277
1278 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
1279 Double_t txyz[3] = {0,0,0};
1280
1281 tr2loc->MasterToLocal(lxyz,txyz);
1282 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1283
1284 if(AliLog::GetGlobalDebugLevel()>0) {
7cfcebd3 1285 TVector3 gpos; //TMatrixF gmat;
1286 //GetGlobalPosition(gpos,gmat); //Not doing anythin special, replace by next line.
1287 fGeomPtr->GetGlobal(fLocPos, gpos, GetSuperModuleNumber());
1288
9aa6a5f6 1289 Float_t gxyz[3];
1290 GetGlobalXYZ(gxyz);
1291 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1292->(%.3f,%.3f,%.3f), supermodule %d",
1293 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1294 GetX(),GetY(),GetZ(),
1295 gpos.X(),gpos.Y(),gpos.Z(),
1296 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1297 }
1298
70a93198 1299}
1300
1301//____________________________________________________________________________
1302Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1303{
1304 // Finds the maximum energy in the cluster
ab48128d 1305
70a93198 1306 Float_t menergy = 0. ;
1307
1308 Int_t iDigit;
70a93198 1309 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1310
1311 if(fEnergyList[iDigit] > menergy)
1312 menergy = fEnergyList[iDigit] ;
1313 }
1314 return menergy ;
ab48128d 1315}
1316
25bb3dcb 1317//____________________________________________________________________________
1318Int_t AliEMCALRecPoint::GetMaximalEnergyIndex(void) const
1319{
1320 // Finds the maximum energy in the cluster
1321
1322 Float_t menergy = 0. ;
44fe3410 1323 Int_t mid = 0 ;
25bb3dcb 1324 Int_t iDigit;
1325
1326 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1327
1328 if(fEnergyList[iDigit] > menergy){
1329 menergy = fEnergyList[iDigit] ;
1330 mid = iDigit ;
1331 }
1332 }//loop on cluster digits
1333
1334 return mid ;
1335}
1336
1337
aad8e277 1338//____________________________________________________________________________
70a93198 1339Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
aad8e277 1340{
70a93198 1341 // Calculates the multiplicity of digits with energy larger than H*energy
1342
1343 Int_t multipl = 0 ;
1344 Int_t iDigit ;
1345 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1346
1347 if(fEnergyList[iDigit] > H * fAmp)
1348 multipl++ ;
1349 }
1350 return multipl ;
1351}
1352
1353//____________________________________________________________________________
1354Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1355 Float_t locMaxCut,TClonesArray * digits) const
1356{
1357 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1358 // energy difference between two local maxima
1359
53e430a3 1360 AliEMCALDigit * digit = 0;
1361 AliEMCALDigit * digitN = 0;
70a93198 1362
53e430a3 1363 Int_t iDigitN = 0 ;
1364 Int_t iDigit = 0 ;
70a93198 1365
1366 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1367 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1368
1369 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1370 if(maxAt[iDigit]) {
1371 digit = maxAt[iDigit] ;
1372
1373 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
53e430a3 1374 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
70a93198 1375
1376 if ( AreNeighbours(digit, digitN) ) {
1377 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1378 maxAt[iDigitN] = 0 ;
1379 // but may be digit too is not local max ?
1380 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1381 maxAt[iDigit] = 0 ;
1382 }
1383 else {
1384 maxAt[iDigit] = 0 ;
1385 // but may be digitN too is not local max ?
1386 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1387 maxAt[iDigitN] = 0 ;
1388 }
1389 } // if Areneighbours
1390 } // while digitN
1391 } // slot not empty
1392 } // while digit
1393
1394 iDigitN = 0 ;
1395 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1396 if(maxAt[iDigit] ){
1397 maxAt[iDigitN] = maxAt[iDigit] ;
1398 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1399 iDigitN++ ;
1400 }
1401 }
1402 return iDigitN ;
1403}
4635df1f 1404
1405//____________________________________________________________________________
1406Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1407{
1408 // Get the primary track index in TreeK which deposits the most energy
af5bdd85 1409 // in Digits which forms RecPoint.
4635df1f 1410
af5bdd85 1411 if (fMulTrack)
1412 return fTracksList[0];
1413 return -12345;
4635df1f 1414}
1415
70a93198 1416//____________________________________________________________________________
1417void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1418 // time is set to the time of the digit with the maximum energy
1419
53e430a3 1420 Float_t maxE = 0;
1421 Int_t maxAt = 0;
70a93198 1422 for(Int_t idig=0; idig < fMulDigit; idig++){
1423 if(fEnergyList[idig] > maxE){
53e430a3 1424 maxE = fEnergyList[idig] ;
70a93198 1425 maxAt = idig;
1426 }
1427 }
1428 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
aad8e277 1429
aad8e277 1430}
ab48128d 1431
1432//______________________________________________________________________________
1433void AliEMCALRecPoint::Paint(Option_t *)
1434{
1435 // Paint this ALiRecPoint as a TMarker with its current attributes
1436
1437 TVector3 pos(0.,0.,0.) ;
1438 GetLocalPosition(pos) ;
1439 Coord_t x = pos.X() ;
1440 Coord_t y = pos.Z() ;
1441 Color_t markercolor = 1 ;
53e430a3 1442 Size_t markersize = 1.;
ab48128d 1443 Style_t markerstyle = 5 ;
1444
1445 if (!gPad->IsBatch()) {
1446 gVirtualX->SetMarkerColor(markercolor) ;
1447 gVirtualX->SetMarkerSize (markersize) ;
1448 gVirtualX->SetMarkerStyle(markerstyle) ;
1449 }
1450 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1451 gPad->PaintPolyMarker(1,&x,&y,"") ;
1452}
70a93198 1453
9aa6a5f6 1454//_____________________________________________________________________
1ae500a2 1455Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1456{
9aa6a5f6 1457 // e energy in GeV)
1ae500a2 1458 // key = 0(gamma, default)
1459 // != 0(electron)
47583f1b 1460 const Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
1461 const Double_t x0 = 1.23; // radiation lenght (cm)
1462 Double_t tmax = 0.; // position of electromagnetic shower max in cm
1ae500a2 1463
1ae500a2 1464 if(e>0.1) {
1465 tmax = TMath::Log(e) + ca;
1466 if (key==0) tmax += 0.5;
1467 else tmax -= 0.5;
37890aaf 1468 tmax *= x0; // convert to cm
1ae500a2 1469 }
1470 return tmax;
1471}
1472
70a93198 1473//______________________________________________________________________________
1474Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1475{
1476 //Converts Theta (Radians) to Eta(Radians)
1477 return (2.*TMath::ATan(TMath::Exp(-arg)));
1478}
1479
1480//______________________________________________________________________________
1481Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1482{
1483 //Converts Eta (Radians) to Theta(Radians)
1484 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1485}
261b1065 1486
1487//____________________________________________________________________________
e1a51e6e 1488void AliEMCALRecPoint::Print(Option_t *opt) const
261b1065 1489{
1490 // Print the list of digits belonging to the cluster
e1a51e6e 1491 if(strlen(opt)==0) return;
261b1065 1492 TString message ;
4800667c 1493 message = "AliEMCALRecPoint:\n" ;
261b1065 1494 message += " digits # = " ;
1495 Info("Print", message.Data()) ;
1496
1497 Int_t iDigit;
1498 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1499 printf(" %d ", fDigitsList[iDigit] ) ;
e52475ed 1500 printf("\n");
1501
261b1065 1502 Info("Print", " Energies = ") ;
1503 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1504 printf(" %f ", fEnergyList[iDigit] ) ;
e52475ed 1505 printf("\n");
1506
1507 Info("Print", "\n Abs Ids = ") ;
1508 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1509 printf(" %i ", fAbsIdList[iDigit] ) ;
1510 printf("\n");
1511
1512 Info("Print", " Primaries ") ;
261b1065 1513 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1514 printf(" %d ", fTracksList[iDigit]) ;
e52475ed 1515
1516 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1517
85c60a8e 1518 message = " ClusterType = %d" ;
1519 message += " Multiplicity = %d" ;
261b1065 1520 message += " Cluster Energy = %f" ;
1521 message += " Core energy = %f" ;
1522 message += " Core radius = %f" ;
1523 message += " Number of primaries %d" ;
1524 message += " Stored at position %d" ;
85c60a8e 1525 Info("Print", message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList() ) ;
261b1065 1526}
1d46d1f6 1527
9aa6a5f6 1528//___________________________________________________________
1d46d1f6 1529Double_t AliEMCALRecPoint::GetPointEnergy() const
1530{
37890aaf 1531 //Returns energy ....
47583f1b 1532 Double_t e=0.0;
1d46d1f6 1533 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1534 return e;
1535}