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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//____________________________________________________________________________
0d0d6b98 444void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits, const Bool_t justClusters)
70a93198 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?
0d0d6b98 468 //Do not call it when recalculating clusters out of standard reconstruction
92d9f317 469 if(!justClusters){
470 printf("NOT JUST CLUSTERS\n");
471 EvalLocal2TrackingCSTransform();
472 }
9aa6a5f6 473
70a93198 474}
475
476//____________________________________________________________________________
477void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
478{
479 // Calculates the dispersion of the shower at the origin of the RecPoint
1d46d1f6 480 // in cell units - Nov 16,2006
70a93198 481
1d46d1f6 482 Double_t d = 0., wtot = 0., w = 0.;
af5bdd85 483 Int_t iDigit=0, nstat=0;
53e430a3 484 AliEMCALDigit * digit=0;
25bb3dcb 485
1d46d1f6 486 // Calculates the dispersion in cell units
487 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
2bb3725c 488 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 489 int iphi=0, ieta=0;
490 // Calculate mean values
70a93198 491 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
492 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1963b290 493
1d46d1f6 494 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 495 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
496 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 497
498 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
499 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
500 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
501
1d46d1f6 502 etai=(Double_t)ieta;
503 phii=(Double_t)iphi;
504 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
505
506 if(w>0.0) {
507 phiMean += phii*w;
508 etaMean += etai*w;
509 wtot += w;
510 }
511 }
512 }
513 if (wtot>0) {
514 phiMean /= wtot ;
515 etaMean /= wtot ;
516 } else AliError(Form("Wrong weight %f\n", wtot));
70a93198 517
1d46d1f6 518 // Calculate dispersion
519 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
520 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
521
522 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 523 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
524 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 525
526 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
527 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
528 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
529
1d46d1f6 530 etai=(Double_t)ieta;
531 phii=(Double_t)iphi;
532 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
533
534 if(w>0.0) {
535 nstat++;
536 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
e52475ed 537 }
538 }
ab48128d 539 }
70a93198 540
e52475ed 541 if ( wtot > 0 && nstat>1) d /= wtot ;
542 else d = 0. ;
70a93198 543
544 fDispersion = TMath::Sqrt(d) ;
25bb3dcb 545 //printf("AliEMCALRecPoint::EvalDispersion() : Dispersion %f \n",fDispersion);
ab48128d 546}
70a93198 547
40164976 548//____________________________________________________________________________
549void AliEMCALRecPoint::EvalDistanceToBadChannels(AliCaloCalibPedestal* caloped)
550{
551 //For each EMC rec. point set the distance to the nearest bad channel.
552 //AliInfo(Form("%d bad channel(s) found.\n", caloped->GetDeadTowerCount()));
2ebdefe6 553 //It is done in cell units and not in global or local position as before (Sept 2010)
40164976 554
555 if(!caloped->GetDeadTowerCount()) return;
25bb3dcb 556
557 //Get channels map of the supermodule where the cluster is.
558 TH2D* hMap = caloped->GetDeadMap(fSuperModuleNumber);
40164976 559
2ebdefe6 560 Int_t dRrow, dReta;
561 Float_t minDist = 10000.;
562 Float_t dist = 0.;
563 Int_t nSupMod, nModule;
564 Int_t nIphi, nIeta;
565 Int_t iphi, ieta;
566 fDigitIndMax = GetMaximalEnergyIndex();
567 fGeomPtr->GetCellIndex(fAbsIdList[fDigitIndMax], nSupMod,nModule,nIphi,nIeta);
568 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
569
570 // TVector3 dR;
571 // TVector3 cellpos;
572 // Float_t minDist = 100000;
573 // Float_t dist = 0;
574 // Int_t absId = -1;
575
576 //Loop on tower status map
40164976 577 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
578 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
579 //Check if tower is bad.
580 if(hMap->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
2ebdefe6 581 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
582
583 dRrow=TMath::Abs(irow-iphi);
584 dReta=TMath::Abs(icol-ieta);
585 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
25bb3dcb 586 if(dist < minDist) minDist = dist;
2ebdefe6 587
588 // //Tower is bad, get the absId of the index.
589 // absId = fGeomPtr->GetAbsCellIdFromCellIndexes(fSuperModuleNumber, irow, icol);
590 //
591 // //Get the position of this tower.
592 //
593 // //Calculate the distance in local coordinates
594 // //fGeomPtr->RelPosCellInSModule(absId,cellpos);
595 // //Calculate distance between this tower and cluster, set if is smaller than previous.
596 // //dR = cellpos-fLocPos;
597 //
598 // //Calculate the distance in global coordinates
599 // fGeomPtr->GetGlobal(absId,cellpos);
600 // //Calculate distance between this tower and cluster, set if it is smaller than previous.
601 // dR = cellpos-fGlobPos;
602 //
603 // dist = dR.Mag();
604 // if(dist < minDist) minDist = dist;
605
40164976 606 }
89dc5acd 607 }
2ebdefe6 608
25bb3dcb 609 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
610 if (fSharedCluster) {
611 TH2D* hMap2 = 0;
612 Int_t nSupMod2 = -1;
613
614 //The only possible combinations are (0,1), (2,3) ... (10,11)
615 if(fSuperModuleNumber%2) nSupMod2 = fSuperModuleNumber-1;
616 else nSupMod2 = fSuperModuleNumber+1;
617 hMap2 = caloped->GetDeadMap(nSupMod2);
2ebdefe6 618
25bb3dcb 619 //Loop on tower status map of second super module
620 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
621 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
622 //Check if tower is bad.
623 if(hMap2->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
624 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
2ebdefe6 625
626 dRrow=TMath::Abs(irow-iphi);
627
628 if(fSuperModuleNumber%2) {
629 dReta=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+ieta));
630 }
631 else {
632 dReta=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-ieta);
633 }
634
635 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
636 if(dist < minDist) minDist = dist;
637
638//
639// //Tower is bad, get the absId of the index.
640// absId = fGeomPtr->GetAbsCellIdFromCellIndexes(nSupMod2, irow, icol);
641//
642// //Get the position of this tower.
643//
644// //Calculate the distance in global coordinates
645// fGeomPtr->GetGlobal(absId,cellpos);
646// //Calculate distance between this tower and cluster, set if it is smaller than previous.
647// dR = cellpos-fGlobPos;
648//
649// dist = dR.Mag();
650// if(dist < minDist) minDist = dist;
25bb3dcb 651 }
652 }
653
654 }// shared cluster in 2 SuperModules
2ebdefe6 655
40164976 656 fDistToBadTower = minDist;
25bb3dcb 657 //printf("AliEMCALRecPoint::EvalDistanceToBadChannel() - Distance to Bad is %f cm, shared cluster? %d \n",fDistToBadTower,fSharedCluster);
40164976 658}
659
660
ab48128d 661//____________________________________________________________________________
70a93198 662void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
88cb7938 663{
25bb3dcb 664 // Calculates the center of gravity in the local EMCAL-module coordinates
665 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
666
53e430a3 667 AliEMCALDigit * digit=0;
25bb3dcb 668 Int_t i=0, nstat=0;
669
47583f1b 670 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 671 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
672
673 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
674
675 //printf(" dist : %f e : %f \n", dist, fAmp);
676 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
677 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
678
2ebdefe6 679 if(!digit) {
680 AliError("No Digit!!");
681 continue;
682 }
683
25bb3dcb 684 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
685 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
686
687 //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
688 if(fSharedCluster && fSuperModuleNumber != fGeomPtr->GetSuperModuleNumber(digit->GetId())) xyzi[1]*=-1;
689
690 //printf("EvalLocalPosition Cell: Id %i, SM %i : dist %f Local x,y,z %f %f %f \n",
691 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()), dist, xyzi[0], xyzi[1], xyzi[2]);
692
693 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
694 else w = fEnergyList[iDigit]; // just energy
695
696 if(w>0.0) {
697 wtot += w ;
698 nstat++;
699 for(i=0; i<3; i++ ) {
700 clXYZ[i] += (w*xyzi[i]);
701 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
702 }
703 }
704 }
705 // cout << " wtot " << wtot << endl;
706 if ( wtot > 0 ) {
707 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
708 for(i=0; i<3; i++ ) {
709 clXYZ[i] /= wtot;
710 if(nstat>1) {
711 clRmsXYZ[i] /= (wtot*wtot);
712 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
713 if(clRmsXYZ[i] > 0.0) {
714 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
715 } else clRmsXYZ[i] = 0;
716 } else clRmsXYZ[i] = 0;
717 }
718 } else {
719 for(i=0; i<3; i++ ) {
720 clXYZ[i] = clRmsXYZ[i] = -1.;
721 }
722 }
723 // clRmsXYZ[i] ??
724
725// // Cluster of one single digit, smear the position to avoid discrete position
726// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
727// // Rndm generates a number in ]0,1]
728// if (fMulDigit==1) {
729// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
730// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
731// }
732
733 //Set position in local vector
734 fLocPos.SetX(clXYZ[0]);
735 fLocPos.SetY(clXYZ[1]);
736 fLocPos.SetZ(clXYZ[2]);
737
738 if (gDebug==2)
739 printf("EvalLocalPosition Cluster: Local (x,y,z) = (%f,%f,%f) \n", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
740
741}
742
743
744//____________________________________________________________________________
745void AliEMCALRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
746{
747 // Calculates the center of gravity in the global ALICE coordinates
e52475ed 748 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
70a93198 749
53e430a3 750 AliEMCALDigit * digit=0;
25bb3dcb 751 Int_t i=0, nstat=0;
752
47583f1b 753 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 754 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
755
756 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, lxyzi[3], xyzi[3], wtot=0., w=0.;
70a93198 757
1ae500a2 758 //printf(" dist : %f e : %f \n", dist, fAmp);
e52475ed 759 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 760 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
e52475ed 761
2ebdefe6 762 if(!digit) {
763 AliError("No Digit!!");
764 continue;
765 }
766
25bb3dcb 767 //Get the local coordinates of the cell
768 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, lxyzi[0], lxyzi[1], lxyzi[2]);
769 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, lxyzi[0], lxyzi[1], lxyzi[2]);
770
771 //Now get the global coordinate
772 fGeomPtr->GetGlobal(lxyzi,xyzi, fGeomPtr->GetSuperModuleNumber(digit->GetId()));
773 //TVector3 pos(xyzi[0], xyzi[1], xyzi[2]);
774 //printf("EvalGlobalPosition Cell: Id %i, SM %i : dist %f Local (x,y,z) = (%f %f %f), eta %f, phi%f \n",
775 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()),dist, xyzi[0], xyzi[1], xyzi[2],pos.Eta(),pos.Phi()*TMath::RadToDeg());
776
af5bdd85 777 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
778 else w = fEnergyList[iDigit]; // just energy
ab48128d 779
e52475ed 780 if(w>0.0) {
781 wtot += w ;
782 nstat++;
783 for(i=0; i<3; i++ ) {
784 clXYZ[i] += (w*xyzi[i]);
785 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
786 }
787 }
788 }
789 // cout << " wtot " << wtot << endl;
70a93198 790 if ( wtot > 0 ) {
e52475ed 791 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
792 for(i=0; i<3; i++ ) {
793 clXYZ[i] /= wtot;
794 if(nstat>1) {
795 clRmsXYZ[i] /= (wtot*wtot);
796 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
797 if(clRmsXYZ[i] > 0.0) {
798 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
799 } else clRmsXYZ[i] = 0;
800 } else clRmsXYZ[i] = 0;
801 }
70a93198 802 } else {
e52475ed 803 for(i=0; i<3; i++ ) {
804 clXYZ[i] = clRmsXYZ[i] = -1.;
805 }
70a93198 806 }
e52475ed 807 // clRmsXYZ[i] ??
25bb3dcb 808
809// // Cluster of one single digit, smear the position to avoid discrete position
810// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
811// // Rndm generates a number in ]0,1]
812// if (fMulDigit==1) {
813// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
814// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
815// }
816
817 //Set position in global vector
818 fGlobPos.SetX(clXYZ[0]);
819 fGlobPos.SetY(clXYZ[1]);
820 fGlobPos.SetZ(clXYZ[2]);
821
822 if (gDebug==2)
823 printf("EvalGlobalPosition Cluster: (x ,y ,z) = (%f,%f,%f), eta %f,phi %f\n",
824 fGlobPos.X(), fGlobPos.Y(), fGlobPos.Z(),fGlobPos.Eta(),fGlobPos.Phi()*TMath::RadToDeg()) ;
ab48128d 825}
826
1ae500a2 827//____________________________________________________________________________
828void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
829Double_t phiSlope, TClonesArray * digits)
830{
47583f1b 831 // Evaluates local position of clusters in SM
832
833 Double_t ycorr=0;
834 AliEMCALDigit *digit=0;
25bb3dcb 835 Int_t i=0, nstat=0;
1ae500a2 836 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
837
47583f1b 838 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 839 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
840
1ae500a2 841 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
842 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
a51e676d 843 if(digit){
844 dist = deff;
845 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
846 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
847
848 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
849 else w = fEnergyList[iDigit]; // just energy
850
851 if(w>0.0) {
852 wtot += w ;
853 nstat++;
854 for(i=0; i<3; i++ ) {
855 clXYZ[i] += (w*xyzi[i]);
856 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
857 }
1ae500a2 858 }
a51e676d 859 }else AliError("Digit null");
860 }//loop
1ae500a2 861 // cout << " wtot " << wtot << endl;
862 if ( wtot > 0 ) {
863 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
864 for(i=0; i<3; i++ ) {
865 clXYZ[i] /= wtot;
866 if(nstat>1) {
867 clRmsXYZ[i] /= (wtot*wtot);
868 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
869 if(clRmsXYZ[i] > 0.0) {
870 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
871 } else clRmsXYZ[i] = 0;
872 } else clRmsXYZ[i] = 0;
873 }
874 } else {
875 for(i=0; i<3; i++ ) {
876 clXYZ[i] = clRmsXYZ[i] = -1.;
877 }
878 }
879 // clRmsXYZ[i] ??
880 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
881 // Correction in phi direction (y - coords here); Aug 16;
882 // May be put to global level or seperate method
883 ycorr = clXYZ[1] * (1. + phiSlope);
884 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
885 clXYZ[1] = ycorr;
886 }
25bb3dcb 887
1ae500a2 888 fLocPos.SetX(clXYZ[0]);
889 fLocPos.SetY(clXYZ[1]);
890 fLocPos.SetZ(clXYZ[2]);
891
892// if (gDebug==2)
893// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
1ae500a2 894}
895
9aa6a5f6 896//_____________________________________________________________________________
1ae500a2 897Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
898{
899 // Evaluated local position of rec.point using digits
900 // and parametrisation of w0 and deff
901 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
902 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
903}
904
9aa6a5f6 905//_____________________________________________________________________________
1ae500a2 906Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
907{
908 // Used when digits should be recalibrated
47583f1b 909 Double_t deff=0, w0=0, esum=0;
910 Int_t iDigit=0;
911 // AliEMCALDigit *digit;
1ae500a2 912
913 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
914
915 // Calculate sum energy of digits
916 esum = 0.0;
917 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
918
919 GetDeffW0(esum, deff, w0);
920
921 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
922}
923
9aa6a5f6 924//_____________________________________________________________________________
925Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
1ae500a2 926{
40164976 927 //Evaluate position of digits in supermodule.
47583f1b 928 AliEMCALDigit *digit=0;
1ae500a2 929
25bb3dcb 930 Int_t i=0, nstat=0;
1ae500a2 931 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
25bb3dcb 932 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
933
9aa6a5f6 934 // Get pointer to EMCAL geometry
935 // (can't use fGeomPtr in static method)
936 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
937
1ae500a2 938 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
939 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
a51e676d 940 if(digit){
941 //geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
942 geo->RelPosCellInSModule(digit->GetId(), deff, xyzi[0], xyzi[1], xyzi[2]);
943
944 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
945 else w = ed[iDigit]; // just energy
946
947 if(w>0.0) {
948 wtot += w ;
949 nstat++;
950 for(i=0; i<3; i++ ) {
951 clXYZ[i] += (w*xyzi[i]);
952 }
1ae500a2 953 }
a51e676d 954 }else AliError("Digit null");
955 }//loop
1ae500a2 956 // cout << " wtot " << wtot << endl;
957 if (wtot > 0) {
958 for(i=0; i<3; i++ ) {
959 clXYZ[i] /= wtot;
960 }
961 locPos.SetX(clXYZ[0]);
962 locPos.SetY(clXYZ[1]);
963 locPos.SetZ(clXYZ[2]);
964 return kTRUE;
965 } else {
966 return kFALSE;
967 }
968
969}
970
9aa6a5f6 971//_____________________________________________________________________________
1ae500a2 972void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
973{
974 //
975 // Aug 31, 2001
976 // Applied for simulation data with threshold 3 adc
977 // Calculate efective distance (deff) and weigh parameter (w0)
978 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
979 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
980 //
47583f1b 981 Double_t e=0.0;
37890aaf 982 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
983 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
1ae500a2 984
985 // No extrapolation here
986 e = esum<0.5?0.5:esum;
987 e = e>100.?100.:e;
988
37890aaf 989 deff = kdp0 + kdp1*TMath::Log(e);
990 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
1ae500a2 991 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
992}
e52475ed 993
70a93198 994//______________________________________________________________________________
995void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
996{
997 // This function calculates energy in the core,
4635df1f 998 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
70a93198 999 // in accordance with shower profile the energy deposition
1000 // should be less than 2%
1d46d1f6 1001 // Unfinished - Nov 15,2006
1002 // Distance is calculate in (phi,eta) units
70a93198 1003
53e430a3 1004 AliEMCALDigit * digit = 0 ;
5dee926e 1005
53e430a3 1006 Int_t iDigit=0;
70a93198 1007
e52475ed 1008 if (!fLocPos.Mag()) {
70a93198 1009 EvalLocalPosition(logWeight, digits);
1010 }
1011
1d46d1f6 1012 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
1013 Double_t eta, phi, distance;
70a93198 1014 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
1015 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
4635df1f 1016
1d46d1f6 1017 eta = phi = 0.0;
1018 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
1019 phi = phi * TMath::DegToRad();
70a93198 1020
1d46d1f6 1021 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
70a93198 1022 if(distance < fCoreRadius)
1023 fCoreEnergy += fEnergyList[iDigit] ;
1024 }
1025
1026}
ab48128d 1027//____________________________________________________________________________
70a93198 1028void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
ab48128d 1029{
70a93198 1030 // Calculates the axis of the shower ellipsoid in eta and phi
1d46d1f6 1031 // in cell units
ab48128d 1032
47583f1b 1033 TString gn(fGeomPtr->GetName());
1d46d1f6 1034
1035 Double_t wtot = 0.;
70a93198 1036 Double_t x = 0.;
1037 Double_t z = 0.;
1038 Double_t dxx = 0.;
1039 Double_t dzz = 0.;
1040 Double_t dxz = 0.;
ab48128d 1041
1d46d1f6 1042 AliEMCALDigit * digit = 0;
25bb3dcb 1043
53e430a3 1044 Double_t etai =0, phii=0, w=0;
2bb3725c 1045 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 1046 int iphi=0, ieta=0;
1047 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 1048 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1d46d1f6 1049 etai = phii = 0.;
1d46d1f6 1050 // Nov 15,2006 - use cell numbers as coordinates
1051 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
1052 // We can use the eta,phi(or coordinates) of cell
dc77cc84 1053 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
1d46d1f6 1054
dc77cc84 1055 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
1056 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 1057
1058 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1059 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1060 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1061
dc77cc84 1062 etai=(Double_t)ieta;
1063 phii=(Double_t)iphi;
25bb3dcb 1064
1d46d1f6 1065 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
1066 // fAmp summed amplitude of digits, i.e. energy of recpoint
1067 // Gives smaller value of lambda than log weight
1068 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
ff1e7e2f 1069
70a93198 1070 dxx += w * etai * etai ;
1071 x += w * etai ;
1072 dzz += w * phii * phii ;
1073 z += w * phii ;
1963b290 1074
ff1e7e2f 1075 dxz += w * etai * phii ;
1963b290 1076
70a93198 1077 wtot += w ;
1078 }
ff1e7e2f 1079
70a93198 1080 if ( wtot > 0 ) {
1081 dxx /= wtot ;
1082 x /= wtot ;
1083 dxx -= x * x ;
1084 dzz /= wtot ;
1085 z /= wtot ;
1086 dzz -= z * z ;
1087 dxz /= wtot ;
1088 dxz -= x * z ;
ab48128d 1089
70a93198 1090 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
1091 if(fLambda[0] > 0)
1092 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
1093 else
1094 fLambda[0] = 0;
1095
1096 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
ff1e7e2f 1097
70a93198 1098 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
1099 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
1100 else
1101 fLambda[1]= 0. ;
1102 } else {
1103 fLambda[0]= 0. ;
1104 fLambda[1]= 0. ;
ab48128d 1105 }
ff1e7e2f 1106
25bb3dcb 1107 //printf("AliEMCALRecPoint::EvalElipsAxis() lambdas = %f,%f \n", fLambda[0],fLambda[1]) ;
ff1e7e2f 1108
ab48128d 1109}
1110
1111//______________________________________________________________________________
1112void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
1113{
af5bdd85 1114 // Constructs the list of primary particles (tracks) which
1115 // have contributed to this RecPoint and calculate deposited energy
1116 // for each track
ab48128d 1117
53e430a3 1118 AliEMCALDigit * digit =0;
af5bdd85 1119 Int_t * primArray = new Int_t[fMaxTrack] ;
7f3091e7 1120 memset(primArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1121 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
7f3091e7 1122 memset(dEPrimArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1123
ab48128d 1124 Int_t index ;
1125 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
1126 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1127 if(!digit) {
1128 AliError("No Digit!!");
1129 continue;
1130 }
1131
ab48128d 1132 Int_t nprimaries = digit->GetNprimary() ;
5c0368b8 1133 if ( nprimaries == 0 ) continue ;
ab48128d 1134 Int_t jndex ;
1135 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
1136 if ( fMulTrack > fMaxTrack ) {
2ebdefe6 1137 fMulTrack = fMaxTrack ;
1138 Error("EvalPrimaries", "increase fMaxTrack ") ;
1139 break ;
ab48128d 1140 }
af5bdd85 1141 Int_t newPrimary = digit->GetPrimary(jndex+1);
1142 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
ab48128d 1143 Int_t kndex ;
1144 Bool_t already = kFALSE ;
1145 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
2ebdefe6 1146 if ( newPrimary == primArray[kndex] ){
1147 already = kTRUE ;
1148 dEPrimArray[kndex] += dEPrimary;
1149 break ;
1150 }
ab48128d 1151 } // end of check
5c0368b8 1152 if ( !already && (fMulTrack < fMaxTrack)) { // store it
2ebdefe6 1153 primArray[fMulTrack] = newPrimary ;
1154 dEPrimArray[fMulTrack] = dEPrimary ;
1155 fMulTrack++ ;
ab48128d 1156 } // store it
1157 } // all primaries in digit
ab48128d 1158 } // all digits
2ebdefe6 1159
af5bdd85 1160 Int_t *sortIdx = new Int_t[fMulTrack];
1161 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
1162 for(index = 0; index < fMulTrack; index++) {
1163 fTracksList[index] = primArray[sortIdx[index]] ;
1164 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
1165 }
1166 delete [] sortIdx;
1167 delete [] primArray ;
1168 delete [] dEPrimArray ;
2ebdefe6 1169
ab48128d 1170}
7ee5c5be 1171
87cdc3be 1172//______________________________________________________________________________
1173void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
1174{
1175 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
2ebdefe6 1176
53e430a3 1177 AliEMCALDigit * digit=0 ;
af5bdd85 1178 Int_t * parentArray = new Int_t[fMaxTrack] ;
7f3091e7 1179 memset(parentArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1180 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
7f3091e7 1181 memset(dEParentArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1182
87cdc3be 1183 Int_t index ;
1184 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
94478418 1185 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
2ebdefe6 1186 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
87cdc3be 1187 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1188 if(!digit) {
1189 AliError("No Digit!!");
1190 continue;
1191 }
1192
87cdc3be 1193 Int_t nparents = digit->GetNiparent() ;
5c0368b8 1194 if ( nparents == 0 ) continue ;
2ebdefe6 1195
87cdc3be 1196 Int_t jndex ;
1197 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
1198 if ( fMulParent > fMaxParent ) {
2ebdefe6 1199 fMulTrack = - 1 ;
1200 Error("EvalParents", "increase fMaxParent") ;
1201 break ;
87cdc3be 1202 }
af5bdd85 1203 Int_t newParent = digit->GetIparent(jndex+1) ;
1204 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
87cdc3be 1205 Int_t kndex ;
1206 Bool_t already = kFALSE ;
f1d429fd 1207 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
2ebdefe6 1208 if ( newParent == parentArray[kndex] ){
1209 dEParentArray[kndex] += newdEParent;
1210 already = kTRUE ;
1211 break ;
1212 }
87cdc3be 1213 } // end of check
94478418 1214 if ( !already && (fMulParent < fMaxParent)) { // store it
2ebdefe6 1215 parentArray[fMulParent] = newParent ;
1216 dEParentArray[fMulParent] = newdEParent ;
1217 fMulParent++ ;
87cdc3be 1218 } // store it
1219 } // all parents in digit
87cdc3be 1220 } // all digits
2ebdefe6 1221
27e2a47c 1222 if (fMulParent>0) {
af5bdd85 1223 Int_t *sortIdx = new Int_t[fMulParent];
1224 TMath::Sort(fMulParent,dEParentArray,sortIdx);
1225 for(index = 0; index < fMulParent; index++) {
1226 fParentsList[index] = parentArray[sortIdx[index]] ;
1227 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
1228 }
1229 delete [] sortIdx;
27e2a47c 1230 }
2ebdefe6 1231
af5bdd85 1232 delete [] parentArray;
1233 delete [] dEParentArray;
87cdc3be 1234}
1235
70a93198 1236//____________________________________________________________________________
1237void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
1238{
9aa6a5f6 1239 // returns the position of the cluster in the local reference system
1240 // of the sub-detector
70a93198 1241
9aa6a5f6 1242 lpos = fLocPos;
70a93198 1243}
1244
ab48128d 1245//____________________________________________________________________________
1246void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
1247{
1248 // returns the position of the cluster in the global reference system of ALICE
70a93198 1249 // These are now the Cartesian X, Y and Z
e52475ed 1250 // cout<<" geom "<<geom<<endl;
25bb3dcb 1251 // fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
1252 gpos = fGlobPos;
1253
9aa6a5f6 1254}
1255
1256//____________________________________________________________________________
7cfcebd3 1257//void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
1258//{
1259// // returns the position of the cluster in the global reference system of ALICE
1260// // These are now the Cartesian X, Y and Z
1261// // cout<<" geom "<<geom<<endl;
1262//
1263// //To be implemented
1264// fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
1265//
1266//}
9aa6a5f6 1267
1268//_____________________________________________________________________________
1269void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
1270{
1271 //Evaluates local to "tracking" c.s. transformation (B.P.).
1272 //All evaluations should be completed before calling for this
1273 //function.
1274 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
1275 //or just ask Jouri Belikov. :)
1276
1277 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
1278
1279 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
1280 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
1281
1282 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
1283 Double_t txyz[3] = {0,0,0};
1284
1285 tr2loc->MasterToLocal(lxyz,txyz);
1286 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1287
1288 if(AliLog::GetGlobalDebugLevel()>0) {
7cfcebd3 1289 TVector3 gpos; //TMatrixF gmat;
1290 //GetGlobalPosition(gpos,gmat); //Not doing anythin special, replace by next line.
1291 fGeomPtr->GetGlobal(fLocPos, gpos, GetSuperModuleNumber());
1292
9aa6a5f6 1293 Float_t gxyz[3];
1294 GetGlobalXYZ(gxyz);
1295 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1296->(%.3f,%.3f,%.3f), supermodule %d",
1297 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1298 GetX(),GetY(),GetZ(),
1299 gpos.X(),gpos.Y(),gpos.Z(),
1300 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1301 }
1302
70a93198 1303}
1304
1305//____________________________________________________________________________
1306Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1307{
1308 // Finds the maximum energy in the cluster
ab48128d 1309
70a93198 1310 Float_t menergy = 0. ;
1311
1312 Int_t iDigit;
70a93198 1313 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1314
1315 if(fEnergyList[iDigit] > menergy)
1316 menergy = fEnergyList[iDigit] ;
1317 }
1318 return menergy ;
ab48128d 1319}
1320
25bb3dcb 1321//____________________________________________________________________________
1322Int_t AliEMCALRecPoint::GetMaximalEnergyIndex(void) const
1323{
1324 // Finds the maximum energy in the cluster
1325
1326 Float_t menergy = 0. ;
44fe3410 1327 Int_t mid = 0 ;
25bb3dcb 1328 Int_t iDigit;
1329
1330 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1331
1332 if(fEnergyList[iDigit] > menergy){
1333 menergy = fEnergyList[iDigit] ;
1334 mid = iDigit ;
1335 }
1336 }//loop on cluster digits
1337
1338 return mid ;
1339}
1340
1341
aad8e277 1342//____________________________________________________________________________
70a93198 1343Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
aad8e277 1344{
70a93198 1345 // Calculates the multiplicity of digits with energy larger than H*energy
1346
1347 Int_t multipl = 0 ;
1348 Int_t iDigit ;
1349 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1350
1351 if(fEnergyList[iDigit] > H * fAmp)
1352 multipl++ ;
1353 }
1354 return multipl ;
1355}
1356
1357//____________________________________________________________________________
1358Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1359 Float_t locMaxCut,TClonesArray * digits) const
1360{
1361 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1362 // energy difference between two local maxima
1363
53e430a3 1364 AliEMCALDigit * digit = 0;
1365 AliEMCALDigit * digitN = 0;
70a93198 1366
53e430a3 1367 Int_t iDigitN = 0 ;
1368 Int_t iDigit = 0 ;
70a93198 1369
1370 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1371 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1372
1373 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1374 if(maxAt[iDigit]) {
1375 digit = maxAt[iDigit] ;
1376
1377 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
53e430a3 1378 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
70a93198 1379
1380 if ( AreNeighbours(digit, digitN) ) {
1381 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1382 maxAt[iDigitN] = 0 ;
1383 // but may be digit too is not local max ?
1384 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1385 maxAt[iDigit] = 0 ;
1386 }
1387 else {
1388 maxAt[iDigit] = 0 ;
1389 // but may be digitN too is not local max ?
1390 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1391 maxAt[iDigitN] = 0 ;
1392 }
1393 } // if Areneighbours
1394 } // while digitN
1395 } // slot not empty
1396 } // while digit
1397
1398 iDigitN = 0 ;
1399 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1400 if(maxAt[iDigit] ){
1401 maxAt[iDigitN] = maxAt[iDigit] ;
1402 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1403 iDigitN++ ;
1404 }
1405 }
1406 return iDigitN ;
1407}
4635df1f 1408
1409//____________________________________________________________________________
1410Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1411{
1412 // Get the primary track index in TreeK which deposits the most energy
af5bdd85 1413 // in Digits which forms RecPoint.
4635df1f 1414
af5bdd85 1415 if (fMulTrack)
1416 return fTracksList[0];
1417 return -12345;
4635df1f 1418}
1419
70a93198 1420//____________________________________________________________________________
1421void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1422 // time is set to the time of the digit with the maximum energy
1423
53e430a3 1424 Float_t maxE = 0;
1425 Int_t maxAt = 0;
70a93198 1426 for(Int_t idig=0; idig < fMulDigit; idig++){
1427 if(fEnergyList[idig] > maxE){
53e430a3 1428 maxE = fEnergyList[idig] ;
70a93198 1429 maxAt = idig;
1430 }
1431 }
1432 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
aad8e277 1433
aad8e277 1434}
ab48128d 1435
1436//______________________________________________________________________________
1437void AliEMCALRecPoint::Paint(Option_t *)
1438{
1439 // Paint this ALiRecPoint as a TMarker with its current attributes
1440
1441 TVector3 pos(0.,0.,0.) ;
1442 GetLocalPosition(pos) ;
1443 Coord_t x = pos.X() ;
1444 Coord_t y = pos.Z() ;
1445 Color_t markercolor = 1 ;
53e430a3 1446 Size_t markersize = 1.;
ab48128d 1447 Style_t markerstyle = 5 ;
1448
1449 if (!gPad->IsBatch()) {
1450 gVirtualX->SetMarkerColor(markercolor) ;
1451 gVirtualX->SetMarkerSize (markersize) ;
1452 gVirtualX->SetMarkerStyle(markerstyle) ;
1453 }
1454 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1455 gPad->PaintPolyMarker(1,&x,&y,"") ;
1456}
70a93198 1457
9aa6a5f6 1458//_____________________________________________________________________
1ae500a2 1459Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1460{
9aa6a5f6 1461 // e energy in GeV)
1ae500a2 1462 // key = 0(gamma, default)
1463 // != 0(electron)
47583f1b 1464 const Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
47583f1b 1465 Double_t tmax = 0.; // position of electromagnetic shower max in cm
1ae500a2 1466
171d2441 1467 Double_t x0 = 1.31; // radiation lenght (cm)
1468 //If old geometry in use
1469 if(!((fGeomPtr->GetEMCGeometry()->GetGeoName()).Contains("V1"))) x0 = 1.28;
1470
1ae500a2 1471 if(e>0.1) {
1472 tmax = TMath::Log(e) + ca;
1473 if (key==0) tmax += 0.5;
1474 else tmax -= 0.5;
37890aaf 1475 tmax *= x0; // convert to cm
1ae500a2 1476 }
1477 return tmax;
1478}
1479
70a93198 1480//______________________________________________________________________________
1481Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1482{
1483 //Converts Theta (Radians) to Eta(Radians)
1484 return (2.*TMath::ATan(TMath::Exp(-arg)));
1485}
1486
1487//______________________________________________________________________________
1488Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1489{
1490 //Converts Eta (Radians) to Theta(Radians)
1491 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1492}
261b1065 1493
1494//____________________________________________________________________________
e1a51e6e 1495void AliEMCALRecPoint::Print(Option_t *opt) const
261b1065 1496{
1497 // Print the list of digits belonging to the cluster
e1a51e6e 1498 if(strlen(opt)==0) return;
261b1065 1499 TString message ;
4800667c 1500 message = "AliEMCALRecPoint:\n" ;
261b1065 1501 message += " digits # = " ;
d8c2bd69 1502 AliInfo(message.Data()) ;
261b1065 1503
1504 Int_t iDigit;
1505 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1506 printf(" %d ", fDigitsList[iDigit] ) ;
e52475ed 1507 printf("\n");
1508
d8c2bd69 1509 AliInfo(" Energies = ") ;
261b1065 1510 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1511 printf(" %f ", fEnergyList[iDigit] ) ;
e52475ed 1512 printf("\n");
1513
d8c2bd69 1514 AliInfo("\n Abs Ids = ") ;
e52475ed 1515 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1516 printf(" %i ", fAbsIdList[iDigit] ) ;
1517 printf("\n");
1518
d8c2bd69 1519 AliInfo(" Primaries ") ;
261b1065 1520 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1521 printf(" %d ", fTracksList[iDigit]) ;
e52475ed 1522
1523 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1524
85c60a8e 1525 message = " ClusterType = %d" ;
1526 message += " Multiplicity = %d" ;
261b1065 1527 message += " Cluster Energy = %f" ;
1528 message += " Core energy = %f" ;
1529 message += " Core radius = %f" ;
1530 message += " Number of primaries %d" ;
1531 message += " Stored at position %d" ;
d8c2bd69 1532 AliInfo(Form(message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList()) ) ;
261b1065 1533}
1d46d1f6 1534
9aa6a5f6 1535//___________________________________________________________
1d46d1f6 1536Double_t AliEMCALRecPoint::GetPointEnergy() const
1537{
37890aaf 1538 //Returns energy ....
47583f1b 1539 Double_t e=0.0;
1d46d1f6 1540 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1541 return e;
1542}