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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){
92d9f317 470 EvalLocal2TrackingCSTransform();
471 }
9aa6a5f6 472
70a93198 473}
474
475//____________________________________________________________________________
476void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
477{
478 // Calculates the dispersion of the shower at the origin of the RecPoint
1d46d1f6 479 // in cell units - Nov 16,2006
70a93198 480
1d46d1f6 481 Double_t d = 0., wtot = 0., w = 0.;
af5bdd85 482 Int_t iDigit=0, nstat=0;
53e430a3 483 AliEMCALDigit * digit=0;
25bb3dcb 484
1d46d1f6 485 // Calculates the dispersion in cell units
486 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
2bb3725c 487 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 488 int iphi=0, ieta=0;
489 // Calculate mean values
70a93198 490 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
491 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1963b290 492
1d46d1f6 493 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 494 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
495 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 496
497 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
498 // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
499 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
500
1d46d1f6 501 etai=(Double_t)ieta;
502 phii=(Double_t)iphi;
503 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
504
505 if(w>0.0) {
506 phiMean += phii*w;
507 etaMean += etai*w;
508 wtot += w;
509 }
510 }
511 }
512 if (wtot>0) {
513 phiMean /= wtot ;
514 etaMean /= wtot ;
515 } else AliError(Form("Wrong weight %f\n", wtot));
70a93198 516
1d46d1f6 517 // Calculate dispersion
518 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
519 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
520
521 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 522 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
523 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 524
525 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
526 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
527 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
528
1d46d1f6 529 etai=(Double_t)ieta;
530 phii=(Double_t)iphi;
531 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
532
533 if(w>0.0) {
534 nstat++;
535 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
e52475ed 536 }
537 }
ab48128d 538 }
70a93198 539
e52475ed 540 if ( wtot > 0 && nstat>1) d /= wtot ;
541 else d = 0. ;
70a93198 542
543 fDispersion = TMath::Sqrt(d) ;
25bb3dcb 544 //printf("AliEMCALRecPoint::EvalDispersion() : Dispersion %f \n",fDispersion);
ab48128d 545}
70a93198 546
40164976 547//____________________________________________________________________________
548void AliEMCALRecPoint::EvalDistanceToBadChannels(AliCaloCalibPedestal* caloped)
549{
73a654fc 550 //For each EMC rec. point set the distance to the nearest bad channel.
551 //AliInfo(Form("%d bad channel(s) found.\n", caloped->GetDeadTowerCount()));
2ebdefe6 552 //It is done in cell units and not in global or local position as before (Sept 2010)
73a654fc 553
554 if(!caloped->GetDeadTowerCount()) return;
555
556 //Get channels map of the supermodule where the cluster is.
557 TH2D* hMap = caloped->GetDeadMap(fSuperModuleNumber);
558
2ebdefe6 559 Int_t dRrow, dReta;
73a654fc 560 Float_t minDist = 10000.;
561 Float_t dist = 0.;
2ebdefe6 562 Int_t nSupMod, nModule;
563 Int_t nIphi, nIeta;
564 Int_t iphi, ieta;
565 fDigitIndMax = GetMaximalEnergyIndex();
566 fGeomPtr->GetCellIndex(fAbsIdList[fDigitIndMax], nSupMod,nModule,nIphi,nIeta);
567 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
568
569 // TVector3 dR;
570 // TVector3 cellpos;
571 // Float_t minDist = 100000;
572 // Float_t dist = 0;
573 // Int_t absId = -1;
574
575 //Loop on tower status map
73a654fc 576 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
577 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
578 //Check if tower is bad.
579 if(hMap->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
2ebdefe6 580 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
73a654fc 581
2ebdefe6 582 dRrow=TMath::Abs(irow-iphi);
583 dReta=TMath::Abs(icol-ieta);
584 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
73a654fc 585 if(dist < minDist) minDist = dist;
2ebdefe6 586
587 // //Tower is bad, get the absId of the index.
588 // absId = fGeomPtr->GetAbsCellIdFromCellIndexes(fSuperModuleNumber, irow, icol);
589 //
590 // //Get the position of this tower.
591 //
592 // //Calculate the distance in local coordinates
593 // //fGeomPtr->RelPosCellInSModule(absId,cellpos);
594 // //Calculate distance between this tower and cluster, set if is smaller than previous.
595 // //dR = cellpos-fLocPos;
596 //
597 // //Calculate the distance in global coordinates
598 // fGeomPtr->GetGlobal(absId,cellpos);
599 // //Calculate distance between this tower and cluster, set if it is smaller than previous.
600 // dR = cellpos-fGlobPos;
601 //
602 // dist = dR.Mag();
603 // if(dist < minDist) minDist = dist;
604
73a654fc 605 }
606 }
2ebdefe6 607
73a654fc 608 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
609 if (fSharedCluster) {
610 TH2D* hMap2 = 0;
611 Int_t nSupMod2 = -1;
2ebdefe6 612
73a654fc 613 //The only possible combinations are (0,1), (2,3) ... (10,11)
614 if(fSuperModuleNumber%2) nSupMod2 = fSuperModuleNumber-1;
615 else nSupMod2 = fSuperModuleNumber+1;
616 hMap2 = caloped->GetDeadMap(nSupMod2);
617
618 //Loop on tower status map of second super module
619 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
620 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
621 //Check if tower is bad.
622 if(hMap2->GetBinContent(icol,irow)==AliCaloCalibPedestal::kAlive) continue;
623 //printf("AliEMCALRecPoint::EvalDistanceToBadChannels() - Bad channel in SM %d, col %d, row %d\n",iSM,icol, irow);
2ebdefe6 624 dRrow=TMath::Abs(irow-iphi);
73a654fc 625
2ebdefe6 626 if(fSuperModuleNumber%2) {
73a654fc 627 dReta=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+ieta));
628 }
629 else {
630 dReta=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-ieta);
631 }
2ebdefe6 632
73a654fc 633 dist=TMath::Sqrt(dRrow*dRrow+dReta*dReta);
2ebdefe6 634 if(dist < minDist) minDist = dist;
635
636//
637// //Tower is bad, get the absId of the index.
638// absId = fGeomPtr->GetAbsCellIdFromCellIndexes(nSupMod2, irow, icol);
639//
640// //Get the position of this tower.
641//
642// //Calculate the distance in global coordinates
643// fGeomPtr->GetGlobal(absId,cellpos);
644// //Calculate distance between this tower and cluster, set if it is smaller than previous.
645// dR = cellpos-fGlobPos;
646//
647// dist = dR.Mag();
648// if(dist < minDist) minDist = dist;
73a654fc 649 }
650 }
651
652 }// shared cluster in 2 SuperModules
653
654 fDistToBadTower = minDist;
655 //printf("AliEMCALRecPoint::EvalDistanceToBadChannel() - Distance to Bad is %f cm, shared cluster? %d \n",fDistToBadTower,fSharedCluster);
40164976 656}
657
658
ab48128d 659//____________________________________________________________________________
70a93198 660void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
88cb7938 661{
73a654fc 662 // Calculates the center of gravity in the local EMCAL-module coordinates
663 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
664
665 AliEMCALDigit * digit=0;
666 Int_t i=0, nstat=0;
667
668 Double_t dist = TmaxInCm(Double_t(fAmp));
669 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
670
671 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
672
673 //printf(" dist : %f e : %f \n", dist, fAmp);
674 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
675 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
676
2ebdefe6 677 if(!digit) {
678 AliError("No Digit!!");
679 continue;
680 }
681
73a654fc 682 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
683 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
684
685 //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
686 if(fSharedCluster && fSuperModuleNumber != fGeomPtr->GetSuperModuleNumber(digit->GetId())) xyzi[1]*=-1;
687
688 //printf("EvalLocalPosition Cell: Id %i, SM %i : dist %f Local x,y,z %f %f %f \n",
689 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()), dist, xyzi[0], xyzi[1], xyzi[2]);
690
691 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
692 else w = fEnergyList[iDigit]; // just energy
693
694 if(w>0.0) {
695 wtot += w ;
696 nstat++;
697 for(i=0; i<3; i++ ) {
698 clXYZ[i] += (w*xyzi[i]);
699 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
700 }
701 }
702 }
703 // cout << " wtot " << wtot << endl;
704 if ( wtot > 0 ) {
705 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
706 for(i=0; i<3; i++ ) {
707 clXYZ[i] /= wtot;
708 if(nstat>1) {
709 clRmsXYZ[i] /= (wtot*wtot);
710 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
711 if(clRmsXYZ[i] > 0.0) {
712 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
713 } else clRmsXYZ[i] = 0;
714 } else clRmsXYZ[i] = 0;
715 }
716 } else {
717 for(i=0; i<3; i++ ) {
718 clXYZ[i] = clRmsXYZ[i] = -1.;
719 }
720 }
721 // clRmsXYZ[i] ??
722
723 // // Cluster of one single digit, smear the position to avoid discrete position
724 // // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
725 // // Rndm generates a number in ]0,1]
726 // if (fMulDigit==1) {
727 // clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
728 // clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
729 // }
730
731 //Set position in local vector
732 fLocPos.SetX(clXYZ[0]);
733 fLocPos.SetY(clXYZ[1]);
734 fLocPos.SetZ(clXYZ[2]);
735
736 if (gDebug==2)
737 printf("EvalLocalPosition Cluster: Local (x,y,z) = (%f,%f,%f) \n", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
738
25bb3dcb 739}
740
741
742//____________________________________________________________________________
743void AliEMCALRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
744{
745 // Calculates the center of gravity in the global ALICE coordinates
e52475ed 746 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
70a93198 747
53e430a3 748 AliEMCALDigit * digit=0;
25bb3dcb 749 Int_t i=0, nstat=0;
750
47583f1b 751 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 752 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
753
754 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, lxyzi[3], xyzi[3], wtot=0., w=0.;
70a93198 755
1ae500a2 756 //printf(" dist : %f e : %f \n", dist, fAmp);
e52475ed 757 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 758 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
e52475ed 759
2ebdefe6 760 if(!digit) {
761 AliError("No Digit!!");
762 continue;
763 }
764
25bb3dcb 765 //Get the local coordinates of the cell
766 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, lxyzi[0], lxyzi[1], lxyzi[2]);
767 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, lxyzi[0], lxyzi[1], lxyzi[2]);
768
769 //Now get the global coordinate
770 fGeomPtr->GetGlobal(lxyzi,xyzi, fGeomPtr->GetSuperModuleNumber(digit->GetId()));
771 //TVector3 pos(xyzi[0], xyzi[1], xyzi[2]);
772 //printf("EvalGlobalPosition Cell: Id %i, SM %i : dist %f Local (x,y,z) = (%f %f %f), eta %f, phi%f \n",
773 // digit->GetId(), fGeomPtr->GetSuperModuleNumber(digit->GetId()),dist, xyzi[0], xyzi[1], xyzi[2],pos.Eta(),pos.Phi()*TMath::RadToDeg());
774
af5bdd85 775 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
776 else w = fEnergyList[iDigit]; // just energy
ab48128d 777
e52475ed 778 if(w>0.0) {
779 wtot += w ;
780 nstat++;
781 for(i=0; i<3; i++ ) {
782 clXYZ[i] += (w*xyzi[i]);
783 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
784 }
785 }
786 }
787 // cout << " wtot " << wtot << endl;
70a93198 788 if ( wtot > 0 ) {
e52475ed 789 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
790 for(i=0; i<3; i++ ) {
791 clXYZ[i] /= wtot;
792 if(nstat>1) {
793 clRmsXYZ[i] /= (wtot*wtot);
794 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
795 if(clRmsXYZ[i] > 0.0) {
796 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
797 } else clRmsXYZ[i] = 0;
798 } else clRmsXYZ[i] = 0;
799 }
70a93198 800 } else {
e52475ed 801 for(i=0; i<3; i++ ) {
802 clXYZ[i] = clRmsXYZ[i] = -1.;
803 }
70a93198 804 }
e52475ed 805 // clRmsXYZ[i] ??
25bb3dcb 806
807// // Cluster of one single digit, smear the position to avoid discrete position
808// // smear x and z with +- 3 cm to uniform (avoid discrete effects). Tower size is approx 6 cm.
809// // Rndm generates a number in ]0,1]
810// if (fMulDigit==1) {
811// clXYZ[0] += fGeomPtr->GetPhiTileSize()*(0.5 - gRandom->Rndm());
812// clXYZ[2] += fGeomPtr->GetEtaTileSize()*(0.5 - gRandom->Rndm());
813// }
814
815 //Set position in global vector
816 fGlobPos.SetX(clXYZ[0]);
817 fGlobPos.SetY(clXYZ[1]);
818 fGlobPos.SetZ(clXYZ[2]);
819
820 if (gDebug==2)
821 printf("EvalGlobalPosition Cluster: (x ,y ,z) = (%f,%f,%f), eta %f,phi %f\n",
822 fGlobPos.X(), fGlobPos.Y(), fGlobPos.Z(),fGlobPos.Eta(),fGlobPos.Phi()*TMath::RadToDeg()) ;
ab48128d 823}
824
1ae500a2 825//____________________________________________________________________________
826void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
827Double_t phiSlope, TClonesArray * digits)
828{
47583f1b 829 // Evaluates local position of clusters in SM
830
831 Double_t ycorr=0;
832 AliEMCALDigit *digit=0;
25bb3dcb 833 Int_t i=0, nstat=0;
1ae500a2 834 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
835
47583f1b 836 Double_t dist = TmaxInCm(Double_t(fAmp));
25bb3dcb 837 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
838
1ae500a2 839 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
840 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
a51e676d 841 if(digit){
842 dist = deff;
843 //fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
844 fGeomPtr->RelPosCellInSModule(digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
845
846 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
847 else w = fEnergyList[iDigit]; // just energy
848
849 if(w>0.0) {
850 wtot += w ;
851 nstat++;
852 for(i=0; i<3; i++ ) {
853 clXYZ[i] += (w*xyzi[i]);
854 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
855 }
1ae500a2 856 }
a51e676d 857 }else AliError("Digit null");
858 }//loop
1ae500a2 859 // cout << " wtot " << wtot << endl;
860 if ( wtot > 0 ) {
861 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
862 for(i=0; i<3; i++ ) {
863 clXYZ[i] /= wtot;
864 if(nstat>1) {
865 clRmsXYZ[i] /= (wtot*wtot);
866 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
867 if(clRmsXYZ[i] > 0.0) {
868 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
869 } else clRmsXYZ[i] = 0;
870 } else clRmsXYZ[i] = 0;
871 }
872 } else {
873 for(i=0; i<3; i++ ) {
874 clXYZ[i] = clRmsXYZ[i] = -1.;
875 }
876 }
877 // clRmsXYZ[i] ??
878 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
879 // Correction in phi direction (y - coords here); Aug 16;
880 // May be put to global level or seperate method
881 ycorr = clXYZ[1] * (1. + phiSlope);
882 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
883 clXYZ[1] = ycorr;
884 }
25bb3dcb 885
1ae500a2 886 fLocPos.SetX(clXYZ[0]);
887 fLocPos.SetY(clXYZ[1]);
888 fLocPos.SetZ(clXYZ[2]);
889
890// if (gDebug==2)
891// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
1ae500a2 892}
893
9aa6a5f6 894//_____________________________________________________________________________
1ae500a2 895Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
896{
897 // Evaluated local position of rec.point using digits
898 // and parametrisation of w0 and deff
899 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
900 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
901}
902
9aa6a5f6 903//_____________________________________________________________________________
1ae500a2 904Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
905{
906 // Used when digits should be recalibrated
47583f1b 907 Double_t deff=0, w0=0, esum=0;
908 Int_t iDigit=0;
909 // AliEMCALDigit *digit;
1ae500a2 910
911 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
912
913 // Calculate sum energy of digits
914 esum = 0.0;
915 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
916
917 GetDeffW0(esum, deff, w0);
918
919 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
920}
921
9aa6a5f6 922//_____________________________________________________________________________
923Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
1ae500a2 924{
40164976 925 //Evaluate position of digits in supermodule.
47583f1b 926 AliEMCALDigit *digit=0;
1ae500a2 927
25bb3dcb 928 Int_t i=0, nstat=0;
1ae500a2 929 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
25bb3dcb 930 //Int_t idMax = GetAbsIdMaxDigit();// idMax is not used at all in RelPosCellInSModule, why use it?
931
9aa6a5f6 932 // Get pointer to EMCAL geometry
933 // (can't use fGeomPtr in static method)
934 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
935
1ae500a2 936 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
937 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
a51e676d 938 if(digit){
939 //geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
940 geo->RelPosCellInSModule(digit->GetId(), deff, xyzi[0], xyzi[1], xyzi[2]);
941
942 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
943 else w = ed[iDigit]; // just energy
944
945 if(w>0.0) {
946 wtot += w ;
947 nstat++;
948 for(i=0; i<3; i++ ) {
949 clXYZ[i] += (w*xyzi[i]);
950 }
1ae500a2 951 }
a51e676d 952 }else AliError("Digit null");
953 }//loop
1ae500a2 954 // cout << " wtot " << wtot << endl;
955 if (wtot > 0) {
956 for(i=0; i<3; i++ ) {
957 clXYZ[i] /= wtot;
958 }
959 locPos.SetX(clXYZ[0]);
960 locPos.SetY(clXYZ[1]);
961 locPos.SetZ(clXYZ[2]);
962 return kTRUE;
963 } else {
964 return kFALSE;
965 }
966
967}
968
9aa6a5f6 969//_____________________________________________________________________________
1ae500a2 970void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
971{
972 //
973 // Aug 31, 2001
974 // Applied for simulation data with threshold 3 adc
975 // Calculate efective distance (deff) and weigh parameter (w0)
976 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
977 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
978 //
47583f1b 979 Double_t e=0.0;
37890aaf 980 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
981 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
1ae500a2 982
983 // No extrapolation here
984 e = esum<0.5?0.5:esum;
985 e = e>100.?100.:e;
986
37890aaf 987 deff = kdp0 + kdp1*TMath::Log(e);
988 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
1ae500a2 989 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
990}
e52475ed 991
70a93198 992//______________________________________________________________________________
993void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
994{
995 // This function calculates energy in the core,
4635df1f 996 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
70a93198 997 // in accordance with shower profile the energy deposition
998 // should be less than 2%
1d46d1f6 999 // Unfinished - Nov 15,2006
1000 // Distance is calculate in (phi,eta) units
70a93198 1001
53e430a3 1002 AliEMCALDigit * digit = 0 ;
5dee926e 1003
53e430a3 1004 Int_t iDigit=0;
70a93198 1005
e52475ed 1006 if (!fLocPos.Mag()) {
70a93198 1007 EvalLocalPosition(logWeight, digits);
1008 }
1009
1d46d1f6 1010 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
1011 Double_t eta, phi, distance;
70a93198 1012 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
1013 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
4635df1f 1014
1d46d1f6 1015 eta = phi = 0.0;
1016 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
1017 phi = phi * TMath::DegToRad();
70a93198 1018
1d46d1f6 1019 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
70a93198 1020 if(distance < fCoreRadius)
1021 fCoreEnergy += fEnergyList[iDigit] ;
1022 }
1023
1024}
ab48128d 1025//____________________________________________________________________________
70a93198 1026void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
ab48128d 1027{
70a93198 1028 // Calculates the axis of the shower ellipsoid in eta and phi
1d46d1f6 1029 // in cell units
ab48128d 1030
47583f1b 1031 TString gn(fGeomPtr->GetName());
1d46d1f6 1032
1033 Double_t wtot = 0.;
70a93198 1034 Double_t x = 0.;
1035 Double_t z = 0.;
1036 Double_t dxx = 0.;
1037 Double_t dzz = 0.;
1038 Double_t dxz = 0.;
ab48128d 1039
1d46d1f6 1040 AliEMCALDigit * digit = 0;
25bb3dcb 1041
53e430a3 1042 Double_t etai =0, phii=0, w=0;
2bb3725c 1043 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 1044 int iphi=0, ieta=0;
1045 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 1046 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1d46d1f6 1047 etai = phii = 0.;
1d46d1f6 1048 // Nov 15,2006 - use cell numbers as coordinates
1049 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
1050 // We can use the eta,phi(or coordinates) of cell
dc77cc84 1051 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
1d46d1f6 1052
dc77cc84 1053 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
1054 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
25bb3dcb 1055
1056 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1057 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1058 if(fSharedCluster && nSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1059
dc77cc84 1060 etai=(Double_t)ieta;
1061 phii=(Double_t)iphi;
25bb3dcb 1062
1d46d1f6 1063 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
1064 // fAmp summed amplitude of digits, i.e. energy of recpoint
1065 // Gives smaller value of lambda than log weight
1066 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
ff1e7e2f 1067
70a93198 1068 dxx += w * etai * etai ;
1069 x += w * etai ;
1070 dzz += w * phii * phii ;
1071 z += w * phii ;
1963b290 1072
ff1e7e2f 1073 dxz += w * etai * phii ;
1963b290 1074
70a93198 1075 wtot += w ;
1076 }
ff1e7e2f 1077
70a93198 1078 if ( wtot > 0 ) {
1079 dxx /= wtot ;
1080 x /= wtot ;
1081 dxx -= x * x ;
1082 dzz /= wtot ;
1083 z /= wtot ;
1084 dzz -= z * z ;
1085 dxz /= wtot ;
1086 dxz -= x * z ;
ab48128d 1087
70a93198 1088 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
1089 if(fLambda[0] > 0)
1090 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
1091 else
1092 fLambda[0] = 0;
1093
1094 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
ff1e7e2f 1095
70a93198 1096 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
1097 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
1098 else
1099 fLambda[1]= 0. ;
1100 } else {
1101 fLambda[0]= 0. ;
1102 fLambda[1]= 0. ;
ab48128d 1103 }
ff1e7e2f 1104
25bb3dcb 1105 //printf("AliEMCALRecPoint::EvalElipsAxis() lambdas = %f,%f \n", fLambda[0],fLambda[1]) ;
ff1e7e2f 1106
ab48128d 1107}
1108
1109//______________________________________________________________________________
1110void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
1111{
af5bdd85 1112 // Constructs the list of primary particles (tracks) which
1113 // have contributed to this RecPoint and calculate deposited energy
1114 // for each track
73a654fc 1115
53e430a3 1116 AliEMCALDigit * digit =0;
af5bdd85 1117 Int_t * primArray = new Int_t[fMaxTrack] ;
7f3091e7 1118 memset(primArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1119 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
7f3091e7 1120 memset(dEPrimArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1121
ab48128d 1122 Int_t index ;
1123 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
1124 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1125 if(!digit) {
1126 AliError("No Digit!!");
1127 continue;
1128 }
1129
ab48128d 1130 Int_t nprimaries = digit->GetNprimary() ;
5c0368b8 1131 if ( nprimaries == 0 ) continue ;
ab48128d 1132 Int_t jndex ;
1133 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
1134 if ( fMulTrack > fMaxTrack ) {
2ebdefe6 1135 fMulTrack = fMaxTrack ;
1136 Error("EvalPrimaries", "increase fMaxTrack ") ;
1137 break ;
ab48128d 1138 }
af5bdd85 1139 Int_t newPrimary = digit->GetPrimary(jndex+1);
1140 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
ab48128d 1141 Int_t kndex ;
1142 Bool_t already = kFALSE ;
1143 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
2ebdefe6 1144 if ( newPrimary == primArray[kndex] ){
1145 already = kTRUE ;
1146 dEPrimArray[kndex] += dEPrimary;
1147 break ;
1148 }
ab48128d 1149 } // end of check
5c0368b8 1150 if ( !already && (fMulTrack < fMaxTrack)) { // store it
2ebdefe6 1151 primArray[fMulTrack] = newPrimary ;
1152 dEPrimArray[fMulTrack] = dEPrimary ;
1153 fMulTrack++ ;
ab48128d 1154 } // store it
1155 } // all primaries in digit
ab48128d 1156 } // all digits
2ebdefe6 1157
af5bdd85 1158 Int_t *sortIdx = new Int_t[fMulTrack];
1159 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
1160 for(index = 0; index < fMulTrack; index++) {
1161 fTracksList[index] = primArray[sortIdx[index]] ;
1162 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
1163 }
1164 delete [] sortIdx;
1165 delete [] primArray ;
1166 delete [] dEPrimArray ;
2ebdefe6 1167
ab48128d 1168}
7ee5c5be 1169
87cdc3be 1170//______________________________________________________________________________
1171void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
1172{
1173 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
73a654fc 1174
53e430a3 1175 AliEMCALDigit * digit=0 ;
af5bdd85 1176 Int_t * parentArray = new Int_t[fMaxTrack] ;
7f3091e7 1177 memset(parentArray,-1,sizeof(Int_t)*fMaxTrack);
af5bdd85 1178 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
7f3091e7 1179 memset(dEParentArray,-1,sizeof(Int_t)*fMaxTrack);
2ebdefe6 1180
87cdc3be 1181 Int_t index ;
1182 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
94478418 1183 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
2ebdefe6 1184 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
87cdc3be 1185 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
2ebdefe6 1186 if(!digit) {
1187 AliError("No Digit!!");
1188 continue;
1189 }
1190
87cdc3be 1191 Int_t nparents = digit->GetNiparent() ;
5c0368b8 1192 if ( nparents == 0 ) continue ;
2ebdefe6 1193
87cdc3be 1194 Int_t jndex ;
1195 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
1196 if ( fMulParent > fMaxParent ) {
2ebdefe6 1197 fMulTrack = - 1 ;
1198 Error("EvalParents", "increase fMaxParent") ;
1199 break ;
87cdc3be 1200 }
af5bdd85 1201 Int_t newParent = digit->GetIparent(jndex+1) ;
1202 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
87cdc3be 1203 Int_t kndex ;
1204 Bool_t already = kFALSE ;
f1d429fd 1205 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
2ebdefe6 1206 if ( newParent == parentArray[kndex] ){
1207 dEParentArray[kndex] += newdEParent;
1208 already = kTRUE ;
1209 break ;
1210 }
87cdc3be 1211 } // end of check
94478418 1212 if ( !already && (fMulParent < fMaxParent)) { // store it
2ebdefe6 1213 parentArray[fMulParent] = newParent ;
1214 dEParentArray[fMulParent] = newdEParent ;
1215 fMulParent++ ;
87cdc3be 1216 } // store it
1217 } // all parents in digit
87cdc3be 1218 } // all digits
2ebdefe6 1219
27e2a47c 1220 if (fMulParent>0) {
af5bdd85 1221 Int_t *sortIdx = new Int_t[fMulParent];
1222 TMath::Sort(fMulParent,dEParentArray,sortIdx);
1223 for(index = 0; index < fMulParent; index++) {
1224 fParentsList[index] = parentArray[sortIdx[index]] ;
1225 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
1226 }
1227 delete [] sortIdx;
27e2a47c 1228 }
2ebdefe6 1229
af5bdd85 1230 delete [] parentArray;
1231 delete [] dEParentArray;
87cdc3be 1232}
1233
70a93198 1234//____________________________________________________________________________
1235void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
1236{
9aa6a5f6 1237 // returns the position of the cluster in the local reference system
1238 // of the sub-detector
70a93198 1239
9aa6a5f6 1240 lpos = fLocPos;
70a93198 1241}
1242
ab48128d 1243//____________________________________________________________________________
1244void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
1245{
1246 // returns the position of the cluster in the global reference system of ALICE
70a93198 1247 // These are now the Cartesian X, Y and Z
e52475ed 1248 // cout<<" geom "<<geom<<endl;
25bb3dcb 1249 // fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
1250 gpos = fGlobPos;
1251
9aa6a5f6 1252}
1253
1254//____________________________________________________________________________
7cfcebd3 1255//void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
1256//{
1257// // returns the position of the cluster in the global reference system of ALICE
1258// // These are now the Cartesian X, Y and Z
1259// // cout<<" geom "<<geom<<endl;
1260//
1261// //To be implemented
1262// fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
1263//
1264//}
9aa6a5f6 1265
1266//_____________________________________________________________________________
1267void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
1268{
1269 //Evaluates local to "tracking" c.s. transformation (B.P.).
1270 //All evaluations should be completed before calling for this
1271 //function.
1272 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
1273 //or just ask Jouri Belikov. :)
1274
1275 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
1276
1277 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
1278 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
1279
1280 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
1281 Double_t txyz[3] = {0,0,0};
1282
1283 tr2loc->MasterToLocal(lxyz,txyz);
1284 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1285
1286 if(AliLog::GetGlobalDebugLevel()>0) {
73a654fc 1287 TVector3 gpos; //TMatrixF gmat;
7cfcebd3 1288 //GetGlobalPosition(gpos,gmat); //Not doing anythin special, replace by next line.
73a654fc 1289 fGeomPtr->GetGlobal(fLocPos, gpos, GetSuperModuleNumber());
1290
9aa6a5f6 1291 Float_t gxyz[3];
1292 GetGlobalXYZ(gxyz);
1293 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1294->(%.3f,%.3f,%.3f), supermodule %d",
1295 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1296 GetX(),GetY(),GetZ(),
1297 gpos.X(),gpos.Y(),gpos.Z(),
1298 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1299 }
1300
70a93198 1301}
1302
1303//____________________________________________________________________________
1304Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1305{
1306 // Finds the maximum energy in the cluster
ab48128d 1307
70a93198 1308 Float_t menergy = 0. ;
1309
1310 Int_t iDigit;
70a93198 1311 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1312
1313 if(fEnergyList[iDigit] > menergy)
1314 menergy = fEnergyList[iDigit] ;
1315 }
1316 return menergy ;
ab48128d 1317}
1318
25bb3dcb 1319//____________________________________________________________________________
1320Int_t AliEMCALRecPoint::GetMaximalEnergyIndex(void) const
1321{
1322 // Finds the maximum energy in the cluster
1323
1324 Float_t menergy = 0. ;
44fe3410 1325 Int_t mid = 0 ;
25bb3dcb 1326 Int_t iDigit;
1327
1328 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1329
1330 if(fEnergyList[iDigit] > menergy){
1331 menergy = fEnergyList[iDigit] ;
1332 mid = iDigit ;
1333 }
1334 }//loop on cluster digits
1335
1336 return mid ;
1337}
1338
1339
aad8e277 1340//____________________________________________________________________________
70a93198 1341Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
aad8e277 1342{
70a93198 1343 // Calculates the multiplicity of digits with energy larger than H*energy
1344
1345 Int_t multipl = 0 ;
1346 Int_t iDigit ;
1347 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1348
1349 if(fEnergyList[iDigit] > H * fAmp)
1350 multipl++ ;
1351 }
1352 return multipl ;
1353}
1354
1355//____________________________________________________________________________
1356Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1357 Float_t locMaxCut,TClonesArray * digits) const
1358{
1359 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1360 // energy difference between two local maxima
1361
53e430a3 1362 AliEMCALDigit * digit = 0;
1363 AliEMCALDigit * digitN = 0;
70a93198 1364
53e430a3 1365 Int_t iDigitN = 0 ;
1366 Int_t iDigit = 0 ;
70a93198 1367
1368 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1369 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1370
1371 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1372 if(maxAt[iDigit]) {
1373 digit = maxAt[iDigit] ;
1374
1375 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
53e430a3 1376 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
70a93198 1377
1378 if ( AreNeighbours(digit, digitN) ) {
1379 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1380 maxAt[iDigitN] = 0 ;
1381 // but may be digit too is not local max ?
1382 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1383 maxAt[iDigit] = 0 ;
1384 }
1385 else {
1386 maxAt[iDigit] = 0 ;
1387 // but may be digitN too is not local max ?
1388 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1389 maxAt[iDigitN] = 0 ;
1390 }
1391 } // if Areneighbours
1392 } // while digitN
1393 } // slot not empty
1394 } // while digit
1395
1396 iDigitN = 0 ;
1397 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1398 if(maxAt[iDigit] ){
1399 maxAt[iDigitN] = maxAt[iDigit] ;
1400 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1401 iDigitN++ ;
1402 }
1403 }
1404 return iDigitN ;
1405}
4635df1f 1406
1407//____________________________________________________________________________
1408Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1409{
1410 // Get the primary track index in TreeK which deposits the most energy
af5bdd85 1411 // in Digits which forms RecPoint.
4635df1f 1412
af5bdd85 1413 if (fMulTrack)
1414 return fTracksList[0];
1415 return -12345;
4635df1f 1416}
1417
70a93198 1418//____________________________________________________________________________
1419void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1420 // time is set to the time of the digit with the maximum energy
1421
53e430a3 1422 Float_t maxE = 0;
1423 Int_t maxAt = 0;
70a93198 1424 for(Int_t idig=0; idig < fMulDigit; idig++){
1425 if(fEnergyList[idig] > maxE){
53e430a3 1426 maxE = fEnergyList[idig] ;
70a93198 1427 maxAt = idig;
1428 }
1429 }
1430 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
aad8e277 1431
aad8e277 1432}
ab48128d 1433
1434//______________________________________________________________________________
1435void AliEMCALRecPoint::Paint(Option_t *)
1436{
1437 // Paint this ALiRecPoint as a TMarker with its current attributes
1438
1439 TVector3 pos(0.,0.,0.) ;
1440 GetLocalPosition(pos) ;
1441 Coord_t x = pos.X() ;
1442 Coord_t y = pos.Z() ;
1443 Color_t markercolor = 1 ;
53e430a3 1444 Size_t markersize = 1.;
ab48128d 1445 Style_t markerstyle = 5 ;
1446
1447 if (!gPad->IsBatch()) {
1448 gVirtualX->SetMarkerColor(markercolor) ;
1449 gVirtualX->SetMarkerSize (markersize) ;
1450 gVirtualX->SetMarkerStyle(markerstyle) ;
1451 }
1452 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1453 gPad->PaintPolyMarker(1,&x,&y,"") ;
1454}
70a93198 1455
9aa6a5f6 1456//_____________________________________________________________________
1ae500a2 1457Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1458{
9aa6a5f6 1459 // e energy in GeV)
1ae500a2 1460 // key = 0(gamma, default)
1461 // != 0(electron)
47583f1b 1462 const Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
47583f1b 1463 Double_t tmax = 0.; // position of electromagnetic shower max in cm
1ae500a2 1464
171d2441 1465 Double_t x0 = 1.31; // radiation lenght (cm)
1466 //If old geometry in use
1467 if(!((fGeomPtr->GetEMCGeometry()->GetGeoName()).Contains("V1"))) x0 = 1.28;
1468
1ae500a2 1469 if(e>0.1) {
1470 tmax = TMath::Log(e) + ca;
1471 if (key==0) tmax += 0.5;
1472 else tmax -= 0.5;
37890aaf 1473 tmax *= x0; // convert to cm
1ae500a2 1474 }
1475 return tmax;
1476}
1477
70a93198 1478//______________________________________________________________________________
1479Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1480{
1481 //Converts Theta (Radians) to Eta(Radians)
1482 return (2.*TMath::ATan(TMath::Exp(-arg)));
1483}
1484
1485//______________________________________________________________________________
1486Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1487{
1488 //Converts Eta (Radians) to Theta(Radians)
1489 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1490}
261b1065 1491
1492//____________________________________________________________________________
e1a51e6e 1493void AliEMCALRecPoint::Print(Option_t *opt) const
261b1065 1494{
1495 // Print the list of digits belonging to the cluster
e1a51e6e 1496 if(strlen(opt)==0) return;
261b1065 1497 TString message ;
4800667c 1498 message = "AliEMCALRecPoint:\n" ;
261b1065 1499 message += " digits # = " ;
d8c2bd69 1500 AliInfo(message.Data()) ;
261b1065 1501
1502 Int_t iDigit;
1503 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1504 printf(" %d ", fDigitsList[iDigit] ) ;
e52475ed 1505 printf("\n");
1506
d8c2bd69 1507 AliInfo(" Energies = ") ;
261b1065 1508 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1509 printf(" %f ", fEnergyList[iDigit] ) ;
e52475ed 1510 printf("\n");
1511
d8c2bd69 1512 AliInfo("\n Abs Ids = ") ;
e52475ed 1513 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1514 printf(" %i ", fAbsIdList[iDigit] ) ;
1515 printf("\n");
1516
d8c2bd69 1517 AliInfo(" Primaries ") ;
261b1065 1518 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1519 printf(" %d ", fTracksList[iDigit]) ;
e52475ed 1520
1521 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1522
85c60a8e 1523 message = " ClusterType = %d" ;
1524 message += " Multiplicity = %d" ;
261b1065 1525 message += " Cluster Energy = %f" ;
1526 message += " Core energy = %f" ;
1527 message += " Core radius = %f" ;
1528 message += " Number of primaries %d" ;
1529 message += " Stored at position %d" ;
d8c2bd69 1530 AliInfo(Form(message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList()) ) ;
261b1065 1531}
1d46d1f6 1532
9aa6a5f6 1533//___________________________________________________________
1d46d1f6 1534Double_t AliEMCALRecPoint::GetPointEnergy() const
1535{
37890aaf 1536 //Returns energy ....
47583f1b 1537 Double_t e=0.0;
1d46d1f6 1538 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1539 return e;
1540}