possiblity to read ESD friends and TPC outer check (Jacek)
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALRecPoint.cxx
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ab48128d 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15/* $Id$ */
16//_________________________________________________________________________
70a93198 17// Reconstructed Points for the EMCAL
18// A RecPoint is a cluster of digits
d64c959b 19//*-- Author: Yves Schutz (SUBATECH)
70a93198 20//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
21//*-- Author: Heather Gray (LBL) merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04
ab48128d 22
23// --- ROOT system ---
9aa6a5f6 24#include "TPad.h"
25#include "TGraph.h"
26#include "TPaveText.h"
27#include "TClonesArray.h"
28#include "TMath.h"
29#include "TGeoMatrix.h"
30#include "TGeoManager.h"
31#include "TGeoPhysicalNode.h"
ab48128d 32
33// --- Standard library ---
9aa6a5f6 34#include <Riostream.h>
ab48128d 35
36// --- AliRoot header files ---
1d59832c 37//#include "AliGenerator.h"
38class AliGenerator;
1d59832c 39class AliEMCAL;
9aa6a5f6 40#include "AliLog.h"
41#include "AliGeomManager.h"
ab48128d 42#include "AliEMCALGeometry.h"
4635df1f 43#include "AliEMCALHit.h"
ab48128d 44#include "AliEMCALDigit.h"
45#include "AliEMCALRecPoint.h"
ab48128d 46
47ClassImp(AliEMCALRecPoint)
48
ab48128d 49//____________________________________________________________________________
50AliEMCALRecPoint::AliEMCALRecPoint()
9aa6a5f6 51 : AliCluster(), fGeomPtr(0),
52 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
53 fLocPos(0,0,0), fLocPosM(0),
54 fMaxDigit(100), fMulDigit(0), fMaxTrack(200),
55 fMulTrack(0), fDigitsList(0), fTracksList(0),
56 fClusterType(-1), fCoreEnergy(0), fDispersion(0),
57 fEnergyList(0), fTimeList(0), fAbsIdList(0),
0561e246 58 fTime(0.), fNExMax(0), fCoreRadius(10), //HG check this
9aa6a5f6 59 fDETracksList(0), fMulParent(0), fMaxParent(0),
60 fParentsList(0), fDEParentsList(0), fSuperModuleNumber(0),
1ae500a2 61 fDigitIndMax(-1)
ab48128d 62{
63 // ctor
9aa6a5f6 64 fGeomPtr = AliEMCALGeometry::GetInstance();
65
706863b6 66 fLambda[0] = 0;
67 fLambda[1] = 0;
9aa6a5f6 68
ab48128d 69}
70
71//____________________________________________________________________________
9aa6a5f6 72AliEMCALRecPoint::AliEMCALRecPoint(const char *)
73 : AliCluster(), fGeomPtr(0),
74 fAmp(0), fIndexInList(-1), //to be set when the point is already stored
75 fLocPos(0,0,0), fLocPosM(new TMatrixF(3,3)),
76 fMaxDigit(100), fMulDigit(0), fMaxTrack(1000), fMulTrack(0),
77 fDigitsList(new Int_t[fMaxDigit]), fTracksList(new Int_t[fMaxTrack]),
78 fClusterType(-1), fCoreEnergy(0), fDispersion(0),
79 fEnergyList(new Float_t[fMaxDigit]), fTimeList(new Float_t[fMaxDigit]),
0561e246 80 fAbsIdList(new Int_t[fMaxDigit]), fTime(-1.), fNExMax(0), fCoreRadius(10),
9aa6a5f6 81 fDETracksList(new Float_t[fMaxTrack]), fMulParent(0), fMaxParent(1000),
82 fParentsList(new Int_t[fMaxParent]), fDEParentsList(new Float_t[fMaxParent]),
83 fSuperModuleNumber(0), fDigitIndMax(-1)
ab48128d 84{
85 // ctor
af5bdd85 86 for (Int_t i = 0; i < fMaxTrack; i++)
87 fDETracksList[i] = 0;
94478418 88 for (Int_t i = 0; i < fMaxParent; i++) {
89 fParentsList[i] = -1;
af5bdd85 90 fDEParentsList[i] = 0;
94478418 91 }
18a21c7c 92
9aa6a5f6 93 fGeomPtr = AliEMCALGeometry::GetInstance();
706863b6 94 fLambda[0] = 0;
95 fLambda[1] = 0;
70a93198 96}
18a21c7c 97
70a93198 98//____________________________________________________________________________
18a21c7c 99AliEMCALRecPoint::AliEMCALRecPoint(const AliEMCALRecPoint & rp)
9aa6a5f6 100 : AliCluster(rp), fGeomPtr(rp.fGeomPtr),
101 fAmp(rp.fAmp), fIndexInList(rp.fIndexInList),
102 fLocPos(rp.fLocPos), fLocPosM(rp.fLocPosM),
103 fMaxDigit(rp.fMaxDigit), fMulDigit(rp.fMulDigit),
104 fMaxTrack(rp.fMaxTrack), fMulTrack(rp.fMaxTrack),
105 fDigitsList(new Int_t[rp.fMaxDigit]), fTracksList(new Int_t[rp.fMaxTrack]),
106 fClusterType(rp.fClusterType), fCoreEnergy(rp.fCoreEnergy),
18a21c7c 107 fDispersion(rp.fDispersion),
9aa6a5f6 108 fEnergyList(new Float_t[rp.fMaxDigit]), fTimeList(new Float_t[rp.fMaxDigit]),
0561e246 109 fAbsIdList(new Int_t[rp.fMaxDigit]), fTime(rp.fTime), fNExMax(rp.fNExMax),fCoreRadius(rp.fCoreRadius),
9aa6a5f6 110 fDETracksList(new Float_t[rp.fMaxTrack]), fMulParent(rp.fMulParent),
111 fMaxParent(rp.fMaxParent), fParentsList(new Int_t[rp.fMaxParent]),
112 fDEParentsList(new Float_t[rp.fMaxParent]),
113 fSuperModuleNumber(rp.fSuperModuleNumber), fDigitIndMax(rp.fDigitIndMax)
0a4cb131 114{
115 //copy ctor
0a4cb131 116 fLambda[0] = rp.fLambda[0];
117 fLambda[1] = rp.fLambda[1];
18a21c7c 118
0a4cb131 119 for(Int_t i = 0; i < rp.fMulDigit; i++) {
120 fEnergyList[i] = rp.fEnergyList[i];
121 fTimeList[i] = rp.fTimeList[i];
122 fAbsIdList[i] = rp.fAbsIdList[i];
123 }
9aa6a5f6 124
af5bdd85 125 for(Int_t i = 0; i < rp.fMulTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
9aa6a5f6 126
127 for(Int_t i = 0; i < rp.fMulParent; i++) {
128 fParentsList[i] = rp.fParentsList[i];
129 fDEParentsList[i] = rp.fDEParentsList[i];
130 }
0a4cb131 131
132}
133//____________________________________________________________________________
70a93198 134AliEMCALRecPoint::~AliEMCALRecPoint()
135{
136 // dtor
137 if ( fEnergyList )
138 delete[] fEnergyList ;
85c60a8e 139 if ( fTimeList )
140 delete[] fTimeList ;
e52475ed 141 if ( fAbsIdList )
142 delete[] fAbsIdList ;
af5bdd85 143 if ( fDETracksList)
144 delete[] fDETracksList;
87cdc3be 145 if ( fParentsList)
146 delete[] fParentsList;
af5bdd85 147 if ( fDEParentsList)
148 delete[] fDEParentsList;
9aa6a5f6 149
150 delete fLocPosM ;
151 delete [] fDigitsList ;
152 delete [] fTracksList ;
153}
154
155//____________________________________________________________________________
156AliEMCALRecPoint& AliEMCALRecPoint::operator= (const AliEMCALRecPoint &rp)
157{
37890aaf 158 // assignment operator
159
9aa6a5f6 160 if(&rp == this) return *this;
161
162 fGeomPtr = rp.fGeomPtr;
163 fAmp = rp.fAmp;
164 fIndexInList = rp.fIndexInList;
165 fLocPos = rp.fLocPos;
166 fLocPosM = rp.fLocPosM;
167 fMaxDigit = rp.fMaxDigit;
168 fMulDigit = rp.fMulDigit;
169 fMaxTrack = rp.fMaxTrack;
170 fMulTrack = rp.fMaxTrack;
171 for(Int_t i = 0; i<fMaxDigit; i++) fDigitsList[i] = rp.fDigitsList[i];
172 for(Int_t i = 0; i<fMaxTrack; i++) fTracksList[i] = rp.fTracksList[i];
173 fClusterType = rp.fClusterType;
174 fCoreEnergy = rp.fCoreEnergy;
175 fDispersion = rp.fDispersion;
176 for(Int_t i = 0; i<fMaxDigit; i++) {
177 fEnergyList[i] = rp.fEnergyList[i];
178 fTimeList[i] = rp.fTimeList[i];
179 fAbsIdList[i] = rp.fAbsIdList[i];
180 }
181 fTime = rp.fTime;
0561e246 182 fNExMax = rp.fNExMax;
9aa6a5f6 183 fCoreRadius = rp.fCoreRadius;
184 for(Int_t i = 0; i < fMaxTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
185 fMulParent = rp.fMulParent;
186 fMaxParent = rp.fMaxParent;
187 for(Int_t i = 0; i < fMaxParent; i++) {
188 fParentsList[i] = rp.fParentsList[i];
189 fDEParentsList[i] = rp.fDEParentsList[i];
190 }
191 fSuperModuleNumber = rp.fSuperModuleNumber;
192 fDigitIndMax = rp.fDigitIndMax;
193
194 fLambda[0] = rp.fLambda[0];
195 fLambda[1] = rp.fLambda[1];
196
197 return *this;
198
70a93198 199}
200
201//____________________________________________________________________________
202void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, Float_t Energy)
203{
204 // Adds a digit to the RecPoint
205 // and accumulates the total amplitude and the multiplicity
206
207 if(fEnergyList == 0)
208 fEnergyList = new Float_t[fMaxDigit];
85c60a8e 209 if(fTimeList == 0)
210 fTimeList = new Float_t[fMaxDigit];
e52475ed 211 if(fAbsIdList == 0) {
212 fAbsIdList = new Int_t[fMaxDigit];
e52475ed 213 }
70a93198 214
215 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
216 fMaxDigit*=2 ;
a64a06d6 217 Int_t * tempo = new Int_t[fMaxDigit];
218 Float_t * tempoE = new Float_t[fMaxDigit];
85c60a8e 219 Float_t * tempoT = new Float_t[fMaxDigit];
e52475ed 220 Int_t * tempoId = new Int_t[fMaxDigit];
70a93198 221
222 Int_t index ;
223 for ( index = 0 ; index < fMulDigit ; index++ ){
e52475ed 224 tempo[index] = fDigitsList[index] ;
225 tempoE[index] = fEnergyList[index] ;
85c60a8e 226 tempoT[index] = fTimeList[index] ;
e52475ed 227 tempoId[index] = fAbsIdList[index] ;
70a93198 228 }
229
94478418 230 delete [] fDigitsList ;
70a93198 231 delete [] fEnergyList ;
85c60a8e 232 delete [] fTimeList ;
e52475ed 233 delete [] fAbsIdList ;
e52475ed 234
94478418 235 fDigitsList = tempo;
236 fEnergyList = tempoE;
237 fTimeList = tempoT;
238 fAbsIdList = tempoId;
70a93198 239 } // if
240
241 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
242 fEnergyList[fMulDigit] = Energy ;
94478418 243 fTimeList[fMulDigit] = digit.GetTimeR() ;
e52475ed 244 fAbsIdList[fMulDigit] = digit.GetId();
70a93198 245 fMulDigit++ ;
246 fAmp += Energy ;
247
9aa6a5f6 248 //JLK 10-Oct-2007 this hasn't been filled before because it was in
249 //the wrong place in previous versions.
250 //Now we evaluate it only if the supermodulenumber for this recpoint
251 //has not yet been set (or is the 0th one)
252 if(fSuperModuleNumber == 0)
253 fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(digit.GetId());
254
70a93198 255}
256//____________________________________________________________________________
257Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const
258{
259 // Tells if (true) or not (false) two digits are neighbours
260 // A neighbour is defined as being two digits which share a corner
261
e52475ed 262 static Bool_t areNeighbours = kFALSE ;
2bb3725c 263 static Int_t nSupMod=0, nModule=0, nIphi=0, nIeta=0;
264 static int nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0;
e52475ed 265 static Int_t relid1[2] , relid2[2] ; // ieta, iphi
266 static Int_t rowdiff=0, coldiff=0;
70a93198 267
e52475ed 268 areNeighbours = kFALSE ;
269
2bb3725c 270 fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nModule,nIphi,nIeta);
271 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, relid1[0],relid1[1]);
e52475ed 272
2bb3725c 273 fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
274 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, relid2[0],relid2[1]);
70a93198 275
e52475ed 276 rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
277 coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
70a93198 278
279 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
e52475ed 280 areNeighbours = kTRUE ;
ab48128d 281
70a93198 282 return areNeighbours;
283}
284
285//____________________________________________________________________________
286Int_t AliEMCALRecPoint::Compare(const TObject * obj) const
287{
288 // Compares two RecPoints according to their position in the EMCAL modules
289
290 Float_t delta = 1 ; //Width of "Sorting row". If you change this
291 //value (what is senseless) change as well delta in
292 //AliEMCALTrackSegmentMakerv* and other RecPoints...
293 Int_t rv ;
294
295 AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ;
296
297 TVector3 locpos1;
298 GetLocalPosition(locpos1);
299 TVector3 locpos2;
300 clu->GetLocalPosition(locpos2);
301
9848d950 302 Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ;
70a93198 303 if (rowdif> 0)
304 rv = 1 ;
305 else if(rowdif < 0)
306 rv = -1 ;
307 else if(locpos1.Y()>locpos2.Y())
308 rv = -1 ;
309 else
310 rv = 1 ;
311
312 return rv ;
ab48128d 313}
314
315//____________________________________________________________________________
316Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
317{
318 // Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker
319 // Compute the closest distance of approach from point px,py to this marker.
320 // The distance is computed in pixels units.
70a93198 321 // HG Still need to update -> Not sure what this should achieve
ab48128d 322
323 TVector3 pos(0.,0.,0.) ;
70a93198 324 GetLocalPosition(pos) ;
ab48128d 325 Float_t x = pos.X() ;
70a93198 326 Float_t y = pos.Y() ;
ab48128d 327 const Int_t kMaxDiff = 10;
328 Int_t pxm = gPad->XtoAbsPixel(x);
329 Int_t pym = gPad->YtoAbsPixel(y);
330 Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
331
332 if (dist > kMaxDiff) return 9999;
333 return dist;
334}
335
336//___________________________________________________________________________
337 void AliEMCALRecPoint::Draw(Option_t *option)
338 {
339 // Draw this AliEMCALRecPoint with its current attributes
340
341 AppendPad(option);
342 }
343
344//______________________________________________________________________________
70a93198 345void AliEMCALRecPoint::ExecuteEvent(Int_t /*event*/, Int_t, Int_t)
ab48128d 346{
347 // Execute action corresponding to one event
348 // This member function is called when a AliEMCALRecPoint is clicked with the locator
349 //
350 // If Left button is clicked on AliEMCALRecPoint, the digits are switched on
351 // and switched off when the mouse button is released.
352
353 // static Int_t pxold, pyold;
354
9aa6a5f6 355 /* static TGraph * digitgraph = 0 ;
ab48128d 356 static TPaveText* clustertext = 0 ;
357
358 if (!gPad->IsEditable()) return;
359
360 switch (event) {
361
362
363 case kButton1Down:{
364 AliEMCALDigit * digit ;
ab48128d 365
366 Int_t iDigit;
70a93198 367 Int_t relid[2] ;
ab48128d 368
369 const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ;
370 Float_t * xi = new Float_t [kMulDigit] ;
371 Float_t * zi = new Float_t [kMulDigit] ;
372
373 for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
374 Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code");
375 digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]);
9aa6a5f6 376 fGeomPtr->AbsToRelNumbering(digit->GetId(), relid) ;
377 fGeomPtr->PosInAlice(relid, xi[iDigit], zi[iDigit]) ;
ab48128d 378 }
379
380 if (!digitgraph) {
381 digitgraph = new TGraph(fMulDigit,xi,zi);
382 digitgraph-> SetMarkerStyle(5) ;
383 digitgraph-> SetMarkerSize(1.) ;
384 digitgraph-> SetMarkerColor(1) ;
385 digitgraph-> Draw("P") ;
386 }
387 if (!clustertext) {
388
389 TVector3 pos(0.,0.,0.) ;
390 GetLocalPosition(pos) ;
391 clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
392 Text_t line1[40] ;
393 Text_t line2[40] ;
394 sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
395 sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
396 clustertext ->AddText(line1) ;
397 clustertext ->AddText(line2) ;
398 clustertext ->Draw("");
399 }
400 gPad->Update() ;
9e5d2067 401 Print("") ;
ab48128d 402 delete[] xi ;
403 delete[] zi ;
404 }
405
406break;
407
408 case kButton1Up:
409 if (digitgraph) {
410 delete digitgraph ;
411 digitgraph = 0 ;
412 }
413 if (clustertext) {
414 delete clustertext ;
415 clustertext = 0 ;
416 }
417
418 break;
419
70a93198 420 }*/
421}
422//____________________________________________________________________________
423void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits)
424{
425 // Evaluates all shower parameters
70a93198 426 EvalLocalPosition(logWeight, digits) ;
427 EvalElipsAxis(logWeight, digits) ;
428 EvalDispersion(logWeight, digits) ;
4635df1f 429 //EvalCoreEnergy(logWeight, digits);
70a93198 430 EvalTime(digits) ;
87cdc3be 431 EvalPrimaries(digits) ;
432 EvalParents(digits);
9aa6a5f6 433
434 //Called last because it sets the global position of the cluster?
435 EvalLocal2TrackingCSTransform();
436
70a93198 437}
438
439//____________________________________________________________________________
440void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
441{
442 // Calculates the dispersion of the shower at the origin of the RecPoint
1d46d1f6 443 // in cell units - Nov 16,2006
70a93198 444
1d46d1f6 445 Double_t d = 0., wtot = 0., w = 0.;
af5bdd85 446 Int_t iDigit=0, nstat=0;
70a93198 447 AliEMCALDigit * digit ;
70a93198 448
1d46d1f6 449 // Calculates the dispersion in cell units
450 Double_t etai, phii, etaMean=0.0, phiMean=0.0;
2bb3725c 451 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 452 int iphi=0, ieta=0;
453 // Calculate mean values
70a93198 454 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
455 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1963b290 456
1d46d1f6 457 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 458 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
459 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
1d46d1f6 460 etai=(Double_t)ieta;
461 phii=(Double_t)iphi;
462 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
463
464 if(w>0.0) {
465 phiMean += phii*w;
466 etaMean += etai*w;
467 wtot += w;
468 }
469 }
470 }
471 if (wtot>0) {
472 phiMean /= wtot ;
473 etaMean /= wtot ;
474 } else AliError(Form("Wrong weight %f\n", wtot));
70a93198 475
1d46d1f6 476 // Calculate dispersion
477 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
478 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
479
480 if (fAmp>0 && fEnergyList[iDigit]>0) {
2bb3725c 481 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
482 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
1d46d1f6 483 etai=(Double_t)ieta;
484 phii=(Double_t)iphi;
485 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
486
487 if(w>0.0) {
488 nstat++;
489 d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
e52475ed 490 }
491 }
ab48128d 492 }
70a93198 493
e52475ed 494 if ( wtot > 0 && nstat>1) d /= wtot ;
495 else d = 0. ;
70a93198 496
497 fDispersion = TMath::Sqrt(d) ;
ab48128d 498}
70a93198 499
ab48128d 500//____________________________________________________________________________
70a93198 501void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
88cb7938 502{
70a93198 503 // Calculates the center of gravity in the local EMCAL-module coordinates
e52475ed 504 // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
70a93198 505
1ae500a2 506 static Double_t dist;
507
e52475ed 508 AliEMCALDigit * digit;
1ae500a2 509 Int_t i=0, nstat=0, idMax=-1;
e52475ed 510 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
70a93198 511
1ae500a2 512 //printf(" dist : %f e : %f \n", dist, fAmp);
e52475ed 513 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 514 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
1ae500a2 515 if(iDigit==0) {
516 idMax = digit->GetId(); // is it correct
517 dist = TmaxInCm(Double_t(fAmp));
518 }
519 fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
520 //printf(" Id %i : dist %f Local x,y,z %f %f %f \n", digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
70a93198 521
1ae500a2 522 //fGeomPtr->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]);
523 //printf(" Id %i : dist %f Local x,y,z %f %f %f \n", digit->GetId(), 0.0, xyzi[0], xyzi[1], xyzi[2]);
524 // if(fAmp>102.) assert(0);
e52475ed 525
af5bdd85 526 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
527 else w = fEnergyList[iDigit]; // just energy
ab48128d 528
e52475ed 529 if(w>0.0) {
530 wtot += w ;
531 nstat++;
532 for(i=0; i<3; i++ ) {
533 clXYZ[i] += (w*xyzi[i]);
534 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
535 }
536 }
537 }
538 // cout << " wtot " << wtot << endl;
70a93198 539 if ( wtot > 0 ) {
e52475ed 540 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
541 for(i=0; i<3; i++ ) {
542 clXYZ[i] /= wtot;
543 if(nstat>1) {
544 clRmsXYZ[i] /= (wtot*wtot);
545 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
546 if(clRmsXYZ[i] > 0.0) {
547 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
548 } else clRmsXYZ[i] = 0;
549 } else clRmsXYZ[i] = 0;
550 }
70a93198 551 } else {
e52475ed 552 for(i=0; i<3; i++ ) {
553 clXYZ[i] = clRmsXYZ[i] = -1.;
554 }
70a93198 555 }
e52475ed 556 // clRmsXYZ[i] ??
557 fLocPos.SetX(clXYZ[0]);
558 fLocPos.SetY(clXYZ[1]);
559 fLocPos.SetZ(clXYZ[2]);
70a93198 560
1963b290 561// if (gDebug==2)
500aeccc 562// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
e52475ed 563 fLocPosM = 0 ; // covariance matrix
ab48128d 564}
565
1ae500a2 566//____________________________________________________________________________
567void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
568Double_t phiSlope, TClonesArray * digits)
569{
570 // Aug 14-16, 2007 - for fit
571 // Aug 31 - should be static ??
572 static Double_t dist, ycorr;
573 static AliEMCALDigit *digit;
574
575 Int_t i=0, nstat=0, idMax=-1;
576 Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
577
578 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
579 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
580 if(iDigit==0) {
581 idMax = digit->GetId(); // is it correct
582 dist = TmaxInCm(Double_t(fAmp));
583 }
584
585 dist = deff;
586 fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
587
588 if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
589 else w = fEnergyList[iDigit]; // just energy
590
591 if(w>0.0) {
592 wtot += w ;
593 nstat++;
594 for(i=0; i<3; i++ ) {
595 clXYZ[i] += (w*xyzi[i]);
596 clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
597 }
598 }
599 }
600 // cout << " wtot " << wtot << endl;
601 if ( wtot > 0 ) {
602 // xRMS = TMath::Sqrt(x2m - xMean*xMean);
603 for(i=0; i<3; i++ ) {
604 clXYZ[i] /= wtot;
605 if(nstat>1) {
606 clRmsXYZ[i] /= (wtot*wtot);
607 clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
608 if(clRmsXYZ[i] > 0.0) {
609 clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
610 } else clRmsXYZ[i] = 0;
611 } else clRmsXYZ[i] = 0;
612 }
613 } else {
614 for(i=0; i<3; i++ ) {
615 clXYZ[i] = clRmsXYZ[i] = -1.;
616 }
617 }
618 // clRmsXYZ[i] ??
619 if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
620 // Correction in phi direction (y - coords here); Aug 16;
621 // May be put to global level or seperate method
622 ycorr = clXYZ[1] * (1. + phiSlope);
623 //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
624 clXYZ[1] = ycorr;
625 }
626 fLocPos.SetX(clXYZ[0]);
627 fLocPos.SetY(clXYZ[1]);
628 fLocPos.SetZ(clXYZ[2]);
629
630// if (gDebug==2)
631// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
632 fLocPosM = 0 ; // covariance matrix
633}
634
9aa6a5f6 635//_____________________________________________________________________________
1ae500a2 636Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
637{
638 // Evaluated local position of rec.point using digits
639 // and parametrisation of w0 and deff
640 //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
641 return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
642}
643
9aa6a5f6 644//_____________________________________________________________________________
1ae500a2 645Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
646{
647 // Used when digits should be recalibrated
648 static Double_t deff, w0, esum;
649 static Int_t iDigit;
9aa6a5f6 650 // static AliEMCALDigit *digit;
1ae500a2 651
652 if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
653
654 // Calculate sum energy of digits
655 esum = 0.0;
656 for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
657
658 GetDeffW0(esum, deff, w0);
659
660 return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
661}
662
9aa6a5f6 663//_____________________________________________________________________________
664Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
1ae500a2 665{
666 static AliEMCALDigit *digit;
667
668 Int_t i=0, nstat=0, idMax=-1;
669 Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
670
9aa6a5f6 671 // Get pointer to EMCAL geometry
672 // (can't use fGeomPtr in static method)
673 AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
674
1ae500a2 675 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
676 digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
677
678 geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
679
680 if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
681 else w = ed[iDigit]; // just energy
682
683 if(w>0.0) {
684 wtot += w ;
685 nstat++;
686 for(i=0; i<3; i++ ) {
687 clXYZ[i] += (w*xyzi[i]);
688 }
689 }
690 }
691 // cout << " wtot " << wtot << endl;
692 if (wtot > 0) {
693 for(i=0; i<3; i++ ) {
694 clXYZ[i] /= wtot;
695 }
696 locPos.SetX(clXYZ[0]);
697 locPos.SetY(clXYZ[1]);
698 locPos.SetZ(clXYZ[2]);
699 return kTRUE;
700 } else {
701 return kFALSE;
702 }
703
704}
705
9aa6a5f6 706//_____________________________________________________________________________
1ae500a2 707void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
708{
709 //
710 // Aug 31, 2001
711 // Applied for simulation data with threshold 3 adc
712 // Calculate efective distance (deff) and weigh parameter (w0)
713 // for coordinate calculation; 0.5 GeV < esum <100 GeV.
714 // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
715 //
716 static Double_t e=0.0;
37890aaf 717 const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
718 const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
1ae500a2 719
720 // No extrapolation here
721 e = esum<0.5?0.5:esum;
722 e = e>100.?100.:e;
723
37890aaf 724 deff = kdp0 + kdp1*TMath::Log(e);
725 w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
1ae500a2 726 //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
727}
e52475ed 728
70a93198 729//______________________________________________________________________________
730void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
731{
732 // This function calculates energy in the core,
4635df1f 733 // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
70a93198 734 // in accordance with shower profile the energy deposition
735 // should be less than 2%
1d46d1f6 736 // Unfinished - Nov 15,2006
737 // Distance is calculate in (phi,eta) units
70a93198 738
739 AliEMCALDigit * digit ;
5dee926e 740
70a93198 741 Int_t iDigit;
742
e52475ed 743 if (!fLocPos.Mag()) {
70a93198 744 EvalLocalPosition(logWeight, digits);
745 }
746
1d46d1f6 747 Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
748 Double_t eta, phi, distance;
70a93198 749 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
750 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
4635df1f 751
1d46d1f6 752 eta = phi = 0.0;
753 fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
754 phi = phi * TMath::DegToRad();
70a93198 755
1d46d1f6 756 distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
70a93198 757 if(distance < fCoreRadius)
758 fCoreEnergy += fEnergyList[iDigit] ;
759 }
760
761}
ab48128d 762//____________________________________________________________________________
70a93198 763void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
ab48128d 764{
70a93198 765 // Calculates the axis of the shower ellipsoid in eta and phi
1d46d1f6 766 // in cell units
ab48128d 767
1d46d1f6 768 static TString gn(fGeomPtr->GetName());
769
770 Double_t wtot = 0.;
70a93198 771 Double_t x = 0.;
772 Double_t z = 0.;
773 Double_t dxx = 0.;
774 Double_t dzz = 0.;
775 Double_t dxz = 0.;
ab48128d 776
1d46d1f6 777 AliEMCALDigit * digit = 0;
70a93198 778
1d46d1f6 779 Double_t etai , phii, w;
2bb3725c 780 int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
1d46d1f6 781 int iphi=0, ieta=0;
782 for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
70a93198 783 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
1d46d1f6 784 etai = phii = 0.;
1d46d1f6 785 // Nov 15,2006 - use cell numbers as coordinates
786 // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
787 // We can use the eta,phi(or coordinates) of cell
dc77cc84 788 nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
1d46d1f6 789
dc77cc84 790 fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
791 fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
792 etai=(Double_t)ieta;
793 phii=(Double_t)iphi;
1963b290 794
1d46d1f6 795 w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
796 // fAmp summed amplitude of digits, i.e. energy of recpoint
797 // Gives smaller value of lambda than log weight
798 // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
ff1e7e2f 799
70a93198 800 dxx += w * etai * etai ;
801 x += w * etai ;
802 dzz += w * phii * phii ;
803 z += w * phii ;
1963b290 804
ff1e7e2f 805 dxz += w * etai * phii ;
1963b290 806
70a93198 807 wtot += w ;
808 }
ff1e7e2f 809
70a93198 810 if ( wtot > 0 ) {
811 dxx /= wtot ;
812 x /= wtot ;
813 dxx -= x * x ;
814 dzz /= wtot ;
815 z /= wtot ;
816 dzz -= z * z ;
817 dxz /= wtot ;
818 dxz -= x * z ;
ab48128d 819
70a93198 820 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
821 if(fLambda[0] > 0)
822 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
823 else
824 fLambda[0] = 0;
825
826 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
ff1e7e2f 827
70a93198 828 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
829 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
830 else
831 fLambda[1]= 0. ;
832 } else {
833 fLambda[0]= 0. ;
834 fLambda[1]= 0. ;
ab48128d 835 }
ff1e7e2f 836
1963b290 837 // printf("Evalaxis: lambdas = %f,%f", fLambda[0],fLambda[1]) ;
ff1e7e2f 838
ab48128d 839}
840
841//______________________________________________________________________________
842void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
843{
af5bdd85 844 // Constructs the list of primary particles (tracks) which
845 // have contributed to this RecPoint and calculate deposited energy
846 // for each track
ab48128d 847
848 AliEMCALDigit * digit ;
af5bdd85 849 Int_t * primArray = new Int_t[fMaxTrack] ;
850 Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
ab48128d 851
852 Int_t index ;
853 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
854 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
855 Int_t nprimaries = digit->GetNprimary() ;
5c0368b8 856 if ( nprimaries == 0 ) continue ;
ab48128d 857 Int_t jndex ;
858 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
859 if ( fMulTrack > fMaxTrack ) {
f792c312 860 fMulTrack = fMaxTrack ;
94478418 861 Error("EvalPrimaries", "increase fMaxTrack ") ;
ab48128d 862 break ;
863 }
af5bdd85 864 Int_t newPrimary = digit->GetPrimary(jndex+1);
865 Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
ab48128d 866 Int_t kndex ;
867 Bool_t already = kFALSE ;
868 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
af5bdd85 869 if ( newPrimary == primArray[kndex] ){
ab48128d 870 already = kTRUE ;
af5bdd85 871 dEPrimArray[kndex] += dEPrimary;
ab48128d 872 break ;
873 }
874 } // end of check
5c0368b8 875 if ( !already && (fMulTrack < fMaxTrack)) { // store it
af5bdd85 876 primArray[fMulTrack] = newPrimary ;
877 dEPrimArray[fMulTrack] = dEPrimary ;
ab48128d 878 fMulTrack++ ;
879 } // store it
880 } // all primaries in digit
ab48128d 881 } // all digits
882
af5bdd85 883 Int_t *sortIdx = new Int_t[fMulTrack];
884 TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
885 for(index = 0; index < fMulTrack; index++) {
886 fTracksList[index] = primArray[sortIdx[index]] ;
887 fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
888 }
889 delete [] sortIdx;
890 delete [] primArray ;
891 delete [] dEPrimArray ;
ab48128d 892
893}
7ee5c5be 894
87cdc3be 895//______________________________________________________________________________
896void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
897{
898 // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
899
900 AliEMCALDigit * digit ;
af5bdd85 901 Int_t * parentArray = new Int_t[fMaxTrack] ;
902 Float_t * dEParentArray = new Float_t[fMaxTrack] ;
87cdc3be 903
904 Int_t index ;
905 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
94478418 906 if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
907 AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
87cdc3be 908 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
909 Int_t nparents = digit->GetNiparent() ;
5c0368b8 910 if ( nparents == 0 ) continue ;
87cdc3be 911
912 Int_t jndex ;
913 for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
914 if ( fMulParent > fMaxParent ) {
915 fMulTrack = - 1 ;
94478418 916 Error("EvalParents", "increase fMaxParent") ;
87cdc3be 917 break ;
918 }
af5bdd85 919 Int_t newParent = digit->GetIparent(jndex+1) ;
920 Float_t newdEParent = digit->GetDEParent(jndex+1) ;
87cdc3be 921 Int_t kndex ;
922 Bool_t already = kFALSE ;
f1d429fd 923 for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
af5bdd85 924 if ( newParent == parentArray[kndex] ){
925 dEParentArray[kndex] += newdEParent;
87cdc3be 926 already = kTRUE ;
927 break ;
928 }
929 } // end of check
94478418 930 if ( !already && (fMulParent < fMaxParent)) { // store it
af5bdd85 931 parentArray[fMulParent] = newParent ;
932 dEParentArray[fMulParent] = newdEParent ;
87cdc3be 933 fMulParent++ ;
934 } // store it
935 } // all parents in digit
87cdc3be 936 } // all digits
937
27e2a47c 938 if (fMulParent>0) {
af5bdd85 939 Int_t *sortIdx = new Int_t[fMulParent];
940 TMath::Sort(fMulParent,dEParentArray,sortIdx);
941 for(index = 0; index < fMulParent; index++) {
942 fParentsList[index] = parentArray[sortIdx[index]] ;
943 fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
944 }
945 delete [] sortIdx;
27e2a47c 946 }
87cdc3be 947
af5bdd85 948 delete [] parentArray;
949 delete [] dEParentArray;
87cdc3be 950}
951
ab48128d 952//____________________________________________________________________________
70a93198 953void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
954{
9aa6a5f6 955 // returns the position of the cluster in the local reference system
956 // of the sub-detector
70a93198 957
9aa6a5f6 958 lpos = fLocPos;
70a93198 959}
960
961//____________________________________________________________________________
ab48128d 962void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
963{
964 // returns the position of the cluster in the global reference system of ALICE
70a93198 965 // These are now the Cartesian X, Y and Z
e52475ed 966 // cout<<" geom "<<geom<<endl;
14ce0a6e 967 fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
9aa6a5f6 968
969}
970
971//____________________________________________________________________________
972void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
973{
974 // returns the position of the cluster in the global reference system of ALICE
975 // These are now the Cartesian X, Y and Z
976 // cout<<" geom "<<geom<<endl;
977
978 //To be implemented
979 fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
980
981}
982
983//_____________________________________________________________________________
984void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
985{
986 //Evaluates local to "tracking" c.s. transformation (B.P.).
987 //All evaluations should be completed before calling for this
988 //function.
989 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
990 //or just ask Jouri Belikov. :)
991
992 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
993
994 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
995 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
996
997 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
998 Double_t txyz[3] = {0,0,0};
999
1000 tr2loc->MasterToLocal(lxyz,txyz);
1001 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
1002
1003 if(AliLog::GetGlobalDebugLevel()>0) {
1004 TVector3 gpos; TMatrixF gmat;
1005 GetGlobalPosition(gpos,gmat);
1006 Float_t gxyz[3];
1007 GetGlobalXYZ(gxyz);
1008 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
1009->(%.3f,%.3f,%.3f), supermodule %d",
1010 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
1011 GetX(),GetY(),GetZ(),
1012 gpos.X(),gpos.Y(),gpos.Z(),
1013 gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
1014 }
1015
70a93198 1016}
1017
1018//____________________________________________________________________________
1019Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
1020{
1021 // Finds the maximum energy in the cluster
ab48128d 1022
70a93198 1023 Float_t menergy = 0. ;
1024
1025 Int_t iDigit;
1026
1027 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1028
1029 if(fEnergyList[iDigit] > menergy)
1030 menergy = fEnergyList[iDigit] ;
1031 }
1032 return menergy ;
ab48128d 1033}
1034
aad8e277 1035//____________________________________________________________________________
70a93198 1036Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
aad8e277 1037{
70a93198 1038 // Calculates the multiplicity of digits with energy larger than H*energy
1039
1040 Int_t multipl = 0 ;
1041 Int_t iDigit ;
1042 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
1043
1044 if(fEnergyList[iDigit] > H * fAmp)
1045 multipl++ ;
1046 }
1047 return multipl ;
1048}
1049
1050//____________________________________________________________________________
1051Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
1052 Float_t locMaxCut,TClonesArray * digits) const
1053{
1054 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
1055 // energy difference between two local maxima
1056
1057 AliEMCALDigit * digit ;
1058 AliEMCALDigit * digitN ;
1059
1060 Int_t iDigitN ;
1061 Int_t iDigit ;
1062
1063 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
1064 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
1065
1066 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
1067 if(maxAt[iDigit]) {
1068 digit = maxAt[iDigit] ;
1069
1070 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
1071 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
1072
1073 if ( AreNeighbours(digit, digitN) ) {
1074 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
1075 maxAt[iDigitN] = 0 ;
1076 // but may be digit too is not local max ?
1077 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
1078 maxAt[iDigit] = 0 ;
1079 }
1080 else {
1081 maxAt[iDigit] = 0 ;
1082 // but may be digitN too is not local max ?
1083 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
1084 maxAt[iDigitN] = 0 ;
1085 }
1086 } // if Areneighbours
1087 } // while digitN
1088 } // slot not empty
1089 } // while digit
1090
1091 iDigitN = 0 ;
1092 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
1093 if(maxAt[iDigit] ){
1094 maxAt[iDigitN] = maxAt[iDigit] ;
1095 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
1096 iDigitN++ ;
1097 }
1098 }
1099 return iDigitN ;
1100}
4635df1f 1101
1102//____________________________________________________________________________
1103Int_t AliEMCALRecPoint::GetPrimaryIndex() const
1104{
1105 // Get the primary track index in TreeK which deposits the most energy
af5bdd85 1106 // in Digits which forms RecPoint.
4635df1f 1107
af5bdd85 1108 if (fMulTrack)
1109 return fTracksList[0];
1110 return -12345;
4635df1f 1111}
1112
70a93198 1113//____________________________________________________________________________
1114void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
1115 // time is set to the time of the digit with the maximum energy
1116
1117 Float_t maxE = 0;
1118 Int_t maxAt = 0;
1119 for(Int_t idig=0; idig < fMulDigit; idig++){
1120 if(fEnergyList[idig] > maxE){
1121 maxE = fEnergyList[idig] ;
1122 maxAt = idig;
1123 }
1124 }
1125 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
aad8e277 1126
aad8e277 1127}
ab48128d 1128
1129//______________________________________________________________________________
1130void AliEMCALRecPoint::Paint(Option_t *)
1131{
1132 // Paint this ALiRecPoint as a TMarker with its current attributes
1133
1134 TVector3 pos(0.,0.,0.) ;
1135 GetLocalPosition(pos) ;
1136 Coord_t x = pos.X() ;
1137 Coord_t y = pos.Z() ;
1138 Color_t markercolor = 1 ;
1139 Size_t markersize = 1. ;
1140 Style_t markerstyle = 5 ;
1141
1142 if (!gPad->IsBatch()) {
1143 gVirtualX->SetMarkerColor(markercolor) ;
1144 gVirtualX->SetMarkerSize (markersize) ;
1145 gVirtualX->SetMarkerStyle(markerstyle) ;
1146 }
1147 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
1148 gPad->PaintPolyMarker(1,&x,&y,"") ;
1149}
70a93198 1150
9aa6a5f6 1151//_____________________________________________________________________
1ae500a2 1152Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
1153{
9aa6a5f6 1154 // e energy in GeV)
1ae500a2 1155 // key = 0(gamma, default)
1156 // != 0(electron)
1157 static Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
37890aaf 1158 static Double_t x0 = 1.23; // radiation lenght (cm)
1ae500a2 1159 static Double_t tmax = 0.; // position of electromagnetic shower max in cm
1160
1161 tmax = 0.0;
1162 if(e>0.1) {
1163 tmax = TMath::Log(e) + ca;
1164 if (key==0) tmax += 0.5;
1165 else tmax -= 0.5;
37890aaf 1166 tmax *= x0; // convert to cm
1ae500a2 1167 }
1168 return tmax;
1169}
1170
70a93198 1171//______________________________________________________________________________
1172Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
1173{
1174 //Converts Theta (Radians) to Eta(Radians)
1175 return (2.*TMath::ATan(TMath::Exp(-arg)));
1176}
1177
1178//______________________________________________________________________________
1179Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
1180{
1181 //Converts Eta (Radians) to Theta(Radians)
1182 return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
1183}
261b1065 1184
1185//____________________________________________________________________________
e1a51e6e 1186void AliEMCALRecPoint::Print(Option_t *opt) const
261b1065 1187{
1188 // Print the list of digits belonging to the cluster
e1a51e6e 1189 if(strlen(opt)==0) return;
261b1065 1190 TString message ;
4800667c 1191 message = "AliEMCALRecPoint:\n" ;
261b1065 1192 message += " digits # = " ;
1193 Info("Print", message.Data()) ;
1194
1195 Int_t iDigit;
1196 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1197 printf(" %d ", fDigitsList[iDigit] ) ;
e52475ed 1198 printf("\n");
1199
261b1065 1200 Info("Print", " Energies = ") ;
1201 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1202 printf(" %f ", fEnergyList[iDigit] ) ;
e52475ed 1203 printf("\n");
1204
1205 Info("Print", "\n Abs Ids = ") ;
1206 for(iDigit=0; iDigit<fMulDigit; iDigit++)
1207 printf(" %i ", fAbsIdList[iDigit] ) ;
1208 printf("\n");
1209
1210 Info("Print", " Primaries ") ;
261b1065 1211 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
1212 printf(" %d ", fTracksList[iDigit]) ;
e52475ed 1213
1214 printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
1215
85c60a8e 1216 message = " ClusterType = %d" ;
1217 message += " Multiplicity = %d" ;
261b1065 1218 message += " Cluster Energy = %f" ;
1219 message += " Core energy = %f" ;
1220 message += " Core radius = %f" ;
1221 message += " Number of primaries %d" ;
1222 message += " Stored at position %d" ;
85c60a8e 1223 Info("Print", message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList() ) ;
261b1065 1224}
1d46d1f6 1225
9aa6a5f6 1226//___________________________________________________________
1d46d1f6 1227Double_t AliEMCALRecPoint::GetPointEnergy() const
1228{
37890aaf 1229 //Returns energy ....
1d46d1f6 1230 static double e;
1231 e=0.0;
1232 for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
1233 return e;
1234}