1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
19 //*-- Author: Boris Polichtchouk, IHEP
20 //////////////////////////////////////////////////////////////////////////////
21 // Reconstructed point operations for the Clusterization class for IHEP reconstruction.
22 // Performs clusterization (collects neighbouring active cells)
23 // It differs from AliPHOSClusterizerv1 in neighbour definition only
25 // ---- ROOT system ---
26 #include "TDirectory.h"
32 // --- AliRoot header files ---
34 #include "AliConfig.h"
35 #include "AliPHOSDigit.h"
36 #include "AliPHOSClusterizer.h"
37 #include "AliPHOSEvalRecPoint.h"
39 #include "AliPHOSLoader.h"
40 #include "AliPHOSRecCpvManager.h"
41 #include "AliPHOSRecEmcManager.h"
42 #include "AliPHOSDigitizer.h"
43 #include "AliPHOSGeometry.h"
45 // --- Standard library ---
48 ClassImp(AliPHOSEvalRecPoint)
50 AliPHOSEvalRecPoint::AliPHOSEvalRecPoint() :
55 fEventFolderName(AliConfig::GetDefaultEventFolderName())
60 AliPHOSEvalRecPoint::AliPHOSEvalRecPoint(Bool_t cpv, AliPHOSEvalRecPoint* parent) :
72 TObjArray* wPool = (TObjArray*)GetWorkingPool();
74 Fatal("ctor", "Couldn't find working pool") ;
77 fParent = wPool->IndexOf((TObject*)parent);
78 fChi2Dof = parent->Chi2Dof();
89 // Add itself to working pool
90 AddToWorkingPool((TObject*)this);
94 AliPHOSEvalRecPoint::AliPHOSEvalRecPoint(Int_t i, Bool_t cpv) :
99 fEventFolderName(AliConfig::GetDefaultEventFolderName())
102 AliPHOSEmcRecPoint* rp=0;
104 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
107 rp = (AliPHOSCpvRecPoint*)fLoader->CpvRecPoints()->At(i);
112 rp = (AliPHOSEmcRecPoint*)fLoader->EmcRecPoints()->At(i);
117 Int_t* digits = rp->GetDigitsList();
118 Float_t* energies = rp->GetEnergiesList();
119 Int_t nDigits = rp->GetMultiplicity();
121 for(Int_t iDigit=0; iDigit<nDigits; iDigit++) {
122 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
123 Float_t eDigit = energies[iDigit];
124 this->AddDigit(*digit,eDigit);
128 rp->GetLocalPosition(locpos);
131 // Add itself to working pool
132 AddToWorkingPool((TObject*)this);
136 AliPHOSClusterizer* AliPHOSEvalRecPoint::GetClusterizer()
138 // returns clusterizer task
139 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
140 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
141 AliPHOSClusterizer* clu = (AliPHOSClusterizer*)wPoolF->FindObject("PHOS:clu-v1");
143 Fatal("GetClusterizer", "Couldn't find Clusterizer") ;
149 Bool_t AliPHOSEvalRecPoint::TooClose(AliPHOSRecPoint* pt) const
151 // check if a rec.point pt is too close to this one
154 pt->GetLocalPosition(herPos);
155 this->GetLocalPosition(myPos);
156 Float_t dx = herPos.X() - myPos.X();
157 Float_t dz = herPos.Z() - myPos.Z();
158 Float_t dr = TMath::Sqrt(dx*dx + dz*dz);
160 if(dr<GetReconstructionManager()->MergeGammasMinDistanceCut())
167 Bool_t AliPHOSEvalRecPoint::NeedToSplit() const
169 // rec.point needs to be split
173 void AliPHOSEvalRecPoint::DeleteParent()
179 void AliPHOSEvalRecPoint::UpdateWorkingPool()
181 // update pool of rec.points
182 Int_t i; //loop variable
184 for(i=0; i<this->InWorkingPool(); i++) {
185 AliPHOSEvalRecPoint* parent = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
187 Int_t nChild = parent->HasChild(children);
188 for(Int_t iChild=0; iChild<nChild; iChild++)
190 ((AliPHOSEvalRecPoint*)children.At(iChild))->DeleteParent();
194 RemoveFromWorkingPool(parent);
200 for(i=0; i<this->InWorkingPool(); i++) {
201 AliPHOSEvalRecPoint* weak = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
202 if (weak->KillWeakPoint()) delete weak;
205 for(i=0; i<this->InWorkingPool(); i++) {
206 AliPHOSEvalRecPoint* close = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
207 close->MergeClosePoint();
210 for(i=0; i<this->InWorkingPool(); i++)
211 ((AliPHOSEvalRecPoint*)AliPHOSEvalRecPoint::GetFromWorkingPool(i))->SetIndexInList(i);
215 Int_t AliPHOSEvalRecPoint::HasChild(TObjArray& children)
217 // returns the number of children
218 for(Int_t iChild=0; iChild<InWorkingPool(); iChild++)
220 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)GetFromWorkingPool(iChild);
221 TObject* parent = (TObject*)child->Parent();
222 TObject* me = (TObject*)this;
223 if(parent==me) children.Add(child);
226 return children.GetEntries();
229 void AliPHOSEvalRecPoint::Init()
232 AliPHOSClusterizer* clusterizer = GetClusterizer();
234 Fatal("Init", "Cannot get clusterizer") ;
237 TClonesArray* digits = AliPHOSLoader::GetPHOSLoader(fEventFolderName)->Digits();
241 logWeight = clusterizer->GetEmcLogWeight();
244 logWeight = clusterizer->GetCpvLogWeight();
247 EvalLocalPosition(logWeight,digits); // evaluate initial position
251 void AliPHOSEvalRecPoint::MakeJob()
253 // Reconstruction algoritm implementation.
255 AliPHOSRecManager* recMng = GetReconstructionManager();
262 Int_t nChild = HasChild(children);
266 if(Chi2Dof()>recMng->OneGamChisqCut()) SplitMergedShowers();
269 for(Int_t iChild=0; iChild<nChild; iChild++) {
270 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)children.At(iChild);
271 child->EvaluatePosition();
273 if(child->Chi2Dof()>recMng->OneGamChisqCut())
274 child->SplitMergedShowers();
279 void AliPHOSEvalRecPoint::InitTwoGam(Float_t* gamma1, Float_t* gamma2)
281 //Compute start values for two gamma fit algorithm.
282 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed "gammas".
285 TVector3 lpos; // start point choosing.
286 GetLocalPosition(lpos);
287 Float_t xx = lpos.Z();
288 Float_t yy = lpos.X();
289 Float_t e = GetEnergy();
291 AliInfo(Form("(x,z,e)[old] = (%f, %f, %f)", yy, xx, e)) ;
298 AliPHOSDigit * digit ;
299 Int_t nDigits = GetMultiplicity();
300 Int_t * digits = GetDigitsList();
301 Float_t * energies = GetEnergiesList();
313 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
314 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
316 Int_t iDigit; //loop variable
318 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
320 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
321 eDigit = energies[iDigit];
322 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
323 fGeom->RelPosInModule(relid, iy, ix);
325 Float_t dx = ix - xx;
326 Float_t dy = iy - yy;
333 sqr = TMath::Sqrt(4.*exy*exy + (exx-eyy)*(exx-eyy));
334 Float_t euu = (exx+eyy+sqr)/2.;
335 if(sqr>1.e-10) cos2fi = (exx - eyy)/sqr;
336 Float_t cosfi = TMath::Sqrt((1.+cos2fi)/2.);
337 Float_t sinfi = TMath::Sqrt((1.-cos2fi)/2.);
338 if(exy<0) sinfi = -sinfi;
341 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
343 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
344 eDigit = energies[iDigit];
345 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
346 fGeom->RelPosInModule(relid, iy, ix);
348 Float_t dx = ix - xx;
349 Float_t dy = iy - yy;
350 Float_t du = dx*cosfi + dy*sinfi;
351 eu3 += eDigit*du*du*du;
354 Float_t c = e*eu3*eu3/(euu*euu*euu)/2.;
356 if(eu3<0) sign = -1.;
357 Float_t r = 1.+ c + sign*TMath::Sqrt(2.*c + c*c);
359 if(TMath::Abs(r-1.)>0.1) u = eu3/euu*(r+1.)/(r-1.);
360 if(TMath::Abs(r-1.)<0.1) u = TMath::Sqrt(sqr/e/r)*(1.+r);
362 Float_t e2c = e/(1.+r);
364 Float_t u1 = -u/(1.+r);
367 Float_t x1c = xx+u1*cosfi;
368 Float_t y1c = yy+u1*sinfi;
369 Float_t x2c = xx+u2*cosfi;
370 Float_t y2c = yy+u2*sinfi;
372 // printf("e1c -> %f\n",e1c);
373 // printf("x1c -> %f\n",x1c);
374 // printf("y1c -> %f\n",y1c);
375 // printf("e2c -> %f\n",e2c);
376 // printf("x2c -> %f\n",x2c);
377 // printf("y2c -> %f\n",y2c);
389 void AliPHOSEvalRecPoint::TwoGam(Float_t* gamma1, Float_t* gamma2)
391 //Fitting algorithm for the two very closed gammas
392 //that merged into the cluster with one maximum.
393 // Starting points gamma1 and gamma2 must be provided before ( see InitTwoGam)
394 //Set chisquare of the fit.
397 Float_t st0 = GetReconstructionManager()->TwoGamInitialStep();
398 Float_t chmin = GetReconstructionManager()->TwoGamChisqMin();
399 Float_t emin = GetReconstructionManager()->TwoGamEmin();
400 Float_t stpmin = GetReconstructionManager()->TwoGamStepMin();
401 Int_t nIter = GetReconstructionManager()->TwoGamNumOfIterations(); // Number of iterations.
403 Float_t chisq = 100.; //Initial chisquare.
405 Int_t nadc = GetMultiplicity();
409 Int_t dof = nadc - 5;
411 Float_t chstop = chmin*dof;
421 Float_t ee1=0,xx1=0,yy1=0,ee2=0,xx2=0,yy2=0,cosi;
423 Float_t e1c = gamma1[0];
424 Float_t y1c = gamma1[1];
425 Float_t x1c = gamma1[2];
427 Float_t e2c = gamma2[0];
428 Float_t y2c = gamma2[1];
429 Float_t x2c = gamma2[2];
431 Float_t e = GetEnergy();
434 AliPHOSDigit * digit ;
435 Int_t nDigits = GetMultiplicity();
436 Int_t * digits = GetDigitsList();
437 Float_t * energies = GetEnergiesList();
443 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
444 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
446 for(Int_t iter=0; iter<nIter; iter++)
455 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
457 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
458 eDigit = energies[iDigit];
459 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
460 fGeom->RelPosInModule(relid, iy, ix);
465 Float_t dx1 = x1c - ix;
466 Float_t dy1 = y1c - iy;
468 GetReconstructionManager()->AG(e1c,dx1,dy1,a1,gx1,gy1);
470 Float_t dx2 = x2c - ix;
471 Float_t dy2 = y2c - iy;
473 GetReconstructionManager()->AG(e2c,dx2,dy2,a2,gx2,gy2);
476 // Float_t D = Const*a*(1. - a/e);
479 // // D = 9.; // ????
481 // Float_t da = a - eDigit;
482 // chisqc += da*da/D;
483 // Float_t dd = da/D;
484 // dd = dd*(2.-dd*Const*(1.-2.*a/e));
487 chisqc += GetReconstructionManager()->TwoGamChi2(a,eDigit,e,dd);
493 grec += (a1/e1c - a2/e2c)*e*dd;
497 Float_t grc = TMath::Sqrt(grx1c*grx1c + gry1c*gry1c + grx2c*grx2c + gry2c*gry2c);
498 if(grc<1.e-10) grc=1.e-10;
500 Float_t sc = 1. + chisqc/ch;
505 cosi = (grx1*grx1c + gry1*gry1c + grx2*grx2c + gry2*gry2c + gre*grec)/gr/grc;
506 st = st*sc/(1.4 - cosi);
528 Float_t step = st*gr;
530 AliInfo(Form("Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpmin %d",
531 iter, dof, ch/dof, chstop/dof, step, stpmin)) ;
537 Float_t de = st*gre*e;
541 if( (e1c>emin) && (e2c>emin) )
557 // if(ch>chisq*(nadc-2)-delch)
577 message = " (x,z,e)[1 fit] = (%f, %f, %f)\n" ;
578 message = " (x,z,e)[2 fit] = (%f, %f, %f)\n" ;
579 AliInfo(Form(message.Data(),
581 x2New, z2New, e2New)) ;
587 void AliPHOSEvalRecPoint::UnfoldTwoMergedPoints(Float_t* gamma1, Float_t* gamma2)
589 //Unfold TWO merged rec. points in the case when cluster has only one maximum,
590 //but it's fitting to the one gamma shower is too bad.
591 // Use TwoGam() to estimate the positions and energies of merged points.
597 Int_t* digits = GetDigitsList();
598 Int_t nDigits = GetMultiplicity();
599 Float_t* energies = GetEnergiesList();
600 Float_t* eFit = new Float_t[nDigits];
602 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
603 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
605 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
607 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
609 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
611 fGeom->RelPosInModule(relid, x, z);
614 for(Int_t iMax=0; iMax<nMax; iMax++)
621 Float_t eMax = gamma[0];
622 Float_t xMax = gamma[1];
623 Float_t zMax = gamma[2];
625 Float_t dx = xMax - x;
626 Float_t dz = zMax - z;
628 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
636 for( Int_t iMax=0; iMax<nMax; iMax++)
643 Float_t eMax = gamma[0];
644 Float_t xMax = gamma[1];
645 Float_t zMax = gamma[2];
647 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
648 TVector3 newpos(xMax,0,zMax);
649 newRP->SetLocalPosition(newpos);
651 for( Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
653 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
654 Float_t eDigit = energies[iDigit];
656 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
658 fGeom->RelPosInModule(relid, ix, iz);
660 Float_t dx = xMax - ix;
661 Float_t dz = zMax - iz;
662 Float_t singleShowerGain,gxMax,gyMax;
663 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
664 Float_t totalGain = eFit[iDigit];
665 Float_t ratio = singleShowerGain/totalGain;
666 eDigit = eDigit*ratio;
667 newRP->AddDigit(*digit,eDigit);
669 AliInfo(Form("======= Split: daughter rec point %d =================",
681 void AliPHOSEvalRecPoint::EvaluatePosition()
683 // One gamma fit algorithm.
684 // Set chisq/dof of the fit.
685 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed gamma, respectively.
687 Int_t nDigits = GetMultiplicity();
691 Int_t nIter = GetReconstructionManager()->OneGamNumOfIterations(); // number of iterations
692 Float_t st0 = GetReconstructionManager()->OneGamInitialStep(); // initial step
693 // const Float_t stpMin = 0.005;
694 Float_t stpMin = GetReconstructionManager()->OneGamStepMin();
695 Float_t chmin = GetReconstructionManager()->OneGamChisqMin();
703 GetLocalPosition(locpos);
704 Float_t e = GetEnergy();
705 Float_t xc = locpos.Z();
706 Float_t yc = locpos.X();
707 Float_t dx,dy,gx,gy,grxc,gryc;
709 Float_t chisq = 1.e+20;
713 Int_t dof = GetMultiplicity() - 2;
716 Float_t chstop = chmin*dof;
717 Float_t cosi,x1=0,y1=0;
720 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
721 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
723 for(Int_t iter=0; iter<nIter; iter++)
729 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
732 Float_t* energies = GetEnergiesList();
733 Int_t* digits = GetDigitsList();
734 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
735 eDigit = energies[iDigit];
736 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
737 fGeom->RelPosInModule(relid, iy, ix);
746 GetReconstructionManager()->AG(e,dx,dy,a,gx,gy);
748 AliInfo(Form(" (ix iy xc yc dx dy) %f %f %f %f %f %f",
749 ix, iy, xc, yc, dx, dy)) ;
750 Float_t chi2dg = GetReconstructionManager()->OneGamChi2(a,eDigit,e,dd);
752 // Exclude digit with too large chisquare.
753 if(chi2dg > 10) { continue; }
761 Float_t grc = TMath::Sqrt(grxc*grxc + gryc*gryc);
762 if(grc<1.e-10) grc=1.e-10;
763 Float_t sc = 1. + chisqc/chisq;
764 AliInfo(Form(" chisq: %f", chisq)) ;
768 cosi = (grx*grxc + gry*gryc)/gr/grc;
769 st = st*sc/(1.4 - cosi);
781 Float_t step = st*gr;
783 AliInfo(Form(" Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpMin %d",
784 iter, dof, chisq/dof, chisq/dof, chstop/dof, step, stpMin)) ;
809 TVector3 newpos(gamma1[1],0,gamma1[2]);
810 //SetLocalPosition(newpos);
816 // RP->GetLocalPosition(pos);
825 Bool_t AliPHOSEvalRecPoint::KillWeakPoint()
827 // Remove this point from further procession
828 // if it's energy is too small.
830 Float_t thr0 = GetReconstructionManager()->KillGamMinEnergy();
832 if(GetEnergy()<thr0) {
833 AliInfo(Form("+++++++ Killing this rec point ++++++++++")) ;
834 RemoveFromWorkingPool(this);
842 void AliPHOSEvalRecPoint::SplitMergedShowers()
844 // Split two very close rec. points.
846 if(GetMultiplicity()<2)
852 InitTwoGam(gamma1,gamma2); // start points for fit
853 TwoGam(gamma1,gamma2); // evaluate the positions and energies
854 UnfoldTwoMergedPoints(gamma1,gamma2); // make the job
859 void AliPHOSEvalRecPoint::MergeClosePoint()
861 // merge rec.points if they are too close
862 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
863 // AliPHOSDigitizer* digitizer = fLoader->Digitizer();
864 // Float_t fPedestal = digitizer->GetPedestal(); // YVK 30.09.2001
865 // Float_t fSlope = digitizer->GetSlope();
867 for (Int_t i=0;i<InWorkingPool(); i++)
869 TObject* obj = GetFromWorkingPool(i);
870 if(!((TObject*)this)->IsEqual(obj))
872 AliPHOSRecPoint* rp = (AliPHOSRecPoint*)obj;
873 if(GetPHOSMod() == rp->GetPHOSMod())
877 AliInfo(Form("+++++++ Merging point 1: ++++++")) ;
879 AliInfo(Form("+++++++ and point 2: ++++++++++")) ;
880 ((AliPHOSEvalRecPoint*)rp)->Print();
882 //merge two rec. points
885 this->GetLocalPosition(lpos1);
886 rp->GetLocalPosition(lpos2);
888 Int_t* digits = rp->GetDigitsList();
889 Float_t dE = rp->GetEnergy()/(rp->GetEnergy()+this->GetEnergy());
890 Float_t newX = lpos1.X()*dE + lpos2.X()*(1.-dE);
891 Float_t newZ = lpos1.Z()*dE + lpos2.Z()*(1.-dE);
892 Float_t newE = rp->GetEnergy()+this->GetEnergy();
893 Float_t* energies = ((AliPHOSEmcRecPoint*)rp)->GetEnergiesList();
895 for(Int_t iDigit=0; iDigit<rp->GetDigitsMultiplicity(); iDigit++)
897 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At(digits[iDigit]);
898 Float_t eDigit = energies[iDigit];
899 this->AddDigit(*digit,eDigit);
902 TVector3 newpos(newX,0,newZ);
905 RemoveFromWorkingPool(rp);
908 AliInfo(Form("++++++ Resulting point: ++++++++")) ;
919 Int_t AliPHOSEvalRecPoint::UnfoldLocalMaxima()
921 // Make unfolding in the reconstruction point with several local maxima.
922 // Return the number of local maxima.
924 // if multiplicity less then 2 - nothing to unfold
925 if(GetMultiplicity()<2) return 1;
927 AliPHOSDigit * maxAt[1000];
928 Float_t maxAtEnergy[1000];
929 Float_t locMaxCut, logWeight;
934 AliPHOSClusterizer* clusterizer = GetClusterizer();
936 AliFatal(Form("Cannot get clusterizer")) ;
940 locMaxCut = clusterizer->GetEmcLocalMaxCut();
941 logWeight = clusterizer->GetEmcLogWeight();
944 locMaxCut = clusterizer->GetCpvLocalMaxCut();
945 logWeight = clusterizer->GetCpvLogWeight();
948 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
949 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
950 TClonesArray* digits = fLoader->Digits();
952 // if number of local maxima less then 2 - nothing to unfold
953 Int_t nMax = GetNumberOfLocalMax(maxAt,maxAtEnergy,locMaxCut,digits);
954 if(nMax<2) return nMax;
956 Int_t* digitsList = GetDigitsList();
957 Int_t nDigits = GetMultiplicity();
958 Float_t* energies = GetEnergiesList();
959 Float_t* eFit = new Float_t[nDigits];
961 Int_t iDigit; //loop variable
963 for(iDigit=0; iDigit<nDigits; iDigit++)
968 for(iDigit=0; iDigit<nDigits; iDigit++)
971 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
972 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
974 fGeom->RelPosInModule(relid, x, z);
976 for(Int_t iMax=0; iMax<nMax; iMax++)
978 AliPHOSDigit* digitMax = maxAt[iMax];
979 Float_t eMax = maxAtEnergy[iMax];
980 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
981 fGeom->RelPosInModule(relid, xMax, zMax);
982 Float_t dx = xMax - x;
983 Float_t dz = zMax - z;
985 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
992 for(Int_t iMax=0; iMax<nMax; iMax++)
994 AliPHOSDigit* digitMax = maxAt[iMax];
995 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
996 fGeom->RelPosInModule(relid, xMax, zMax);
997 Float_t eMax = maxAtEnergy[iMax];
999 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
1000 newRP->AddDigit(*digitMax,maxAtEnergy[iMax]);
1002 //Neighbous ( matrix 3x3 around the local maximum)
1003 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
1005 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
1006 Float_t eDigit = energies[iDigit];
1007 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
1009 fGeom->RelPosInModule(relid, ix, iz);
1011 if(AreNeighbours(digitMax,digit))
1013 Float_t dx = xMax - ix;
1014 Float_t dz = zMax - iz;
1015 Float_t singleShowerGain,gxMax,gyMax;
1016 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
1017 Float_t totalGain = eFit[iDigit];
1018 Float_t ratio = singleShowerGain/totalGain;
1019 AliInfo(Form(" ratio -> %f", ratio)) ;
1020 eDigit = eDigit*ratio;
1021 newRP->AddDigit(*digit,eDigit);
1025 newRP->EvalLocalPosition(logWeight,digits);
1026 AliInfo(Form("======= Unfold: daughter rec point %d =================",
1031 // RemoveFromWorkingPool(this);
1039 void AliPHOSEvalRecPoint::PrintPoint()
1041 // print rec.point to stdout
1042 AliPHOSCpvRecPoint::Print();
1045 GetLocalPosition(lpos);
1048 message = " Chi2/dof = %f" ;
1049 message += " Local (x,z) = (%f, %f) in module %d" ;
1050 AliInfo(Form(message.Data(), Chi2Dof(), lpos.X(), lpos.Z(), GetPHOSMod())) ;
1054 AliPHOSRecManager* AliPHOSEvalRecPoint::GetReconstructionManager() const
1056 // returns reconstruction manager
1057 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1058 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1059 AliPHOSRecManager* recMng = (AliPHOSRecManager*)wPoolF->FindObject("AliPHOSRecManager");
1061 AliFatal(Form("Couldn't find Reconstruction Manager")) ;
1068 AliPHOSRecPoint* AliPHOSEvalRecPoint::Parent()
1071 if(fParent<0) return NULL;
1073 return (AliPHOSRecPoint*)GetFromWorkingPool(fParent);
1077 Float_t AliPHOSEvalRecPoint::Chi2Dof() const
1079 // returns a chi^2 per degree of freedom
1083 const TObject* AliPHOSEvalRecPoint::GetWorkingPool()
1085 // returns a pool of rec.points
1086 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1087 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1088 TObject* wPool = wPoolF->FindObject("SmartPoints");
1090 AliFatal(Form("Couldn't find Working Pool")) ;
1096 void AliPHOSEvalRecPoint::AddToWorkingPool(TObject* obj)
1098 // add a rec.point to a pool
1099 ((TObjArray*)GetWorkingPool())->Add(obj);
1102 TObject* AliPHOSEvalRecPoint::GetFromWorkingPool(Int_t i)
1104 // return a rec.point from a pool at an index i
1105 // return fWorkingPool->At(i);
1106 return ((TObjArray*)GetWorkingPool())->At(i);
1109 Int_t AliPHOSEvalRecPoint::InWorkingPool()
1111 // return the number of rec.points in a pool
1112 return ((TObjArray*)GetWorkingPool())->GetEntries();
1115 void AliPHOSEvalRecPoint::RemoveFromWorkingPool(TObject* obj)
1117 // remove a rec.point from a pool
1118 ((TObjArray*)GetWorkingPool())->Remove(obj);
1119 ((TObjArray*)GetWorkingPool())->Compress();
1122 void AliPHOSEvalRecPoint::PrintWorkingPool()
1124 // print pool of rec.points to stdout
1125 ((TObjArray*)GetWorkingPool())->Print();