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(): fEventFolderName(AliConfig::GetDefaultEventFolderName())
59 AliPHOSEvalRecPoint::AliPHOSEvalRecPoint(Bool_t cpv, AliPHOSEvalRecPoint* parent) : AliPHOSCpvRecPoint()
66 TObjArray* wPool = (TObjArray*)GetWorkingPool();
68 Fatal("ctor", "Couldn't find working pool") ;
71 fParent = wPool->IndexOf((TObject*)parent);
72 fChi2Dof = parent->Chi2Dof();
83 // Add itself to working pool
84 AddToWorkingPool((TObject*)this);
88 AliPHOSEvalRecPoint::AliPHOSEvalRecPoint(Int_t i, Bool_t cpv) : fEventFolderName(AliConfig::GetDefaultEventFolderName())
94 AliPHOSEmcRecPoint* rp=0;
96 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
99 rp = (AliPHOSCpvRecPoint*)fLoader->CpvRecPoints()->At(i);
104 rp = (AliPHOSEmcRecPoint*)fLoader->EmcRecPoints()->At(i);
109 Int_t* digits = rp->GetDigitsList();
110 Float_t* energies = rp->GetEnergiesList();
111 Int_t nDigits = rp->GetMultiplicity();
113 for(Int_t iDigit=0; iDigit<nDigits; iDigit++) {
114 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
115 Float_t eDigit = energies[iDigit];
116 this->AddDigit(*digit,eDigit);
120 rp->GetLocalPosition(locpos);
123 // Add itself to working pool
124 AddToWorkingPool((TObject*)this);
128 AliPHOSClusterizer* AliPHOSEvalRecPoint::GetClusterizer()
130 // returns clusterizer task
131 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
132 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
133 AliPHOSClusterizer* clu = (AliPHOSClusterizer*)wPoolF->FindObject("PHOS:clu-v1");
135 Fatal("GetClusterizer", "Couldn't find Clusterizer") ;
141 Bool_t AliPHOSEvalRecPoint::TooClose(AliPHOSRecPoint* pt) const
143 // check if a rec.point pt is too close to this one
146 pt->GetLocalPosition(herPos);
147 this->GetLocalPosition(myPos);
148 Float_t dx = herPos.X() - myPos.X();
149 Float_t dz = herPos.Z() - myPos.Z();
150 Float_t dr = TMath::Sqrt(dx*dx + dz*dz);
152 if(dr<GetReconstructionManager()->MergeGammasMinDistanceCut())
159 Bool_t AliPHOSEvalRecPoint::NeedToSplit() const
161 // rec.point needs to be split
165 void AliPHOSEvalRecPoint::DeleteParent()
171 void AliPHOSEvalRecPoint::UpdateWorkingPool()
173 // update pool of rec.points
174 Int_t i; //loop variable
176 for(i=0; i<this->InWorkingPool(); i++) {
177 AliPHOSEvalRecPoint* parent = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
179 Int_t nChild = parent->HasChild(children);
180 for(Int_t iChild=0; iChild<nChild; iChild++)
182 ((AliPHOSEvalRecPoint*)children.At(iChild))->DeleteParent();
186 RemoveFromWorkingPool(parent);
192 for(i=0; i<this->InWorkingPool(); i++) {
193 AliPHOSEvalRecPoint* weak = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
194 if (weak->KillWeakPoint()) delete weak;
197 for(i=0; i<this->InWorkingPool(); i++) {
198 AliPHOSEvalRecPoint* close = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
199 close->MergeClosePoint();
202 for(i=0; i<this->InWorkingPool(); i++)
203 ((AliPHOSEvalRecPoint*)AliPHOSEvalRecPoint::GetFromWorkingPool(i))->SetIndexInList(i);
207 Int_t AliPHOSEvalRecPoint::HasChild(TObjArray& children)
209 // returns the number of children
210 for(Int_t iChild=0; iChild<InWorkingPool(); iChild++)
212 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)GetFromWorkingPool(iChild);
213 TObject* parent = (TObject*)child->Parent();
214 TObject* me = (TObject*)this;
215 if(parent==me) children.Add(child);
218 return children.GetEntries();
221 void AliPHOSEvalRecPoint::Init()
224 AliPHOSClusterizer* clusterizer = GetClusterizer();
226 Fatal("Init", "Cannot get clusterizer") ;
229 TClonesArray* digits = AliPHOSLoader::GetPHOSLoader(fEventFolderName)->Digits();
233 logWeight = clusterizer->GetEmcLogWeight();
236 logWeight = clusterizer->GetCpvLogWeight();
239 EvalLocalPosition(logWeight,digits); // evaluate initial position
243 void AliPHOSEvalRecPoint::MakeJob()
245 // Reconstruction algoritm implementation.
247 AliPHOSRecManager* recMng = GetReconstructionManager();
254 Int_t nChild = HasChild(children);
258 if(Chi2Dof()>recMng->OneGamChisqCut()) SplitMergedShowers();
261 for(Int_t iChild=0; iChild<nChild; iChild++) {
262 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)children.At(iChild);
263 child->EvaluatePosition();
265 if(child->Chi2Dof()>recMng->OneGamChisqCut())
266 child->SplitMergedShowers();
271 void AliPHOSEvalRecPoint::InitTwoGam(Float_t* gamma1, Float_t* gamma2)
273 //Compute start values for two gamma fit algorithm.
274 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed "gammas".
277 TVector3 lpos; // start point choosing.
278 GetLocalPosition(lpos);
279 Float_t xx = lpos.Z();
280 Float_t yy = lpos.X();
281 Float_t e = GetEnergy();
283 AliInfo(Form("(x,z,e)[old] = (%f, %f, %f)", yy, xx, e)) ;
290 AliPHOSDigit * digit ;
291 Int_t nDigits = GetMultiplicity();
292 Int_t * digits = GetDigitsList();
293 Float_t * energies = GetEnergiesList();
305 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
306 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
308 Int_t iDigit; //loop variable
310 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
312 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
313 eDigit = energies[iDigit];
314 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
315 fGeom->RelPosInModule(relid, iy, ix);
317 Float_t dx = ix - xx;
318 Float_t dy = iy - yy;
325 sqr = TMath::Sqrt(4.*exy*exy + (exx-eyy)*(exx-eyy));
326 Float_t euu = (exx+eyy+sqr)/2.;
327 if(sqr>1.e-10) cos2fi = (exx - eyy)/sqr;
328 Float_t cosfi = TMath::Sqrt((1.+cos2fi)/2.);
329 Float_t sinfi = TMath::Sqrt((1.-cos2fi)/2.);
330 if(exy<0) sinfi = -sinfi;
333 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
335 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
336 eDigit = energies[iDigit];
337 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
338 fGeom->RelPosInModule(relid, iy, ix);
340 Float_t dx = ix - xx;
341 Float_t dy = iy - yy;
342 Float_t du = dx*cosfi + dy*sinfi;
343 eu3 += eDigit*du*du*du;
346 Float_t c = e*eu3*eu3/(euu*euu*euu)/2.;
348 if(eu3<0) sign = -1.;
349 Float_t r = 1.+ c + sign*TMath::Sqrt(2.*c + c*c);
351 if(TMath::Abs(r-1.)>0.1) u = eu3/euu*(r+1.)/(r-1.);
352 if(TMath::Abs(r-1.)<0.1) u = TMath::Sqrt(sqr/e/r)*(1.+r);
354 Float_t e2c = e/(1.+r);
356 Float_t u1 = -u/(1.+r);
359 Float_t x1c = xx+u1*cosfi;
360 Float_t y1c = yy+u1*sinfi;
361 Float_t x2c = xx+u2*cosfi;
362 Float_t y2c = yy+u2*sinfi;
364 // printf("e1c -> %f\n",e1c);
365 // printf("x1c -> %f\n",x1c);
366 // printf("y1c -> %f\n",y1c);
367 // printf("e2c -> %f\n",e2c);
368 // printf("x2c -> %f\n",x2c);
369 // printf("y2c -> %f\n",y2c);
381 void AliPHOSEvalRecPoint::TwoGam(Float_t* gamma1, Float_t* gamma2)
383 //Fitting algorithm for the two very closed gammas
384 //that merged into the cluster with one maximum.
385 // Starting points gamma1 and gamma2 must be provided before ( see InitTwoGam)
386 //Set chisquare of the fit.
389 Float_t st0 = GetReconstructionManager()->TwoGamInitialStep();
390 Float_t chmin = GetReconstructionManager()->TwoGamChisqMin();
391 Float_t emin = GetReconstructionManager()->TwoGamEmin();
392 Float_t stpmin = GetReconstructionManager()->TwoGamStepMin();
393 Int_t nIter = GetReconstructionManager()->TwoGamNumOfIterations(); // Number of iterations.
395 Float_t chisq = 100.; //Initial chisquare.
397 Int_t nadc = GetMultiplicity();
401 Int_t dof = nadc - 5;
403 Float_t chstop = chmin*dof;
413 Float_t ee1=0,xx1=0,yy1=0,ee2=0,xx2=0,yy2=0,cosi;
415 Float_t e1c = gamma1[0];
416 Float_t y1c = gamma1[1];
417 Float_t x1c = gamma1[2];
419 Float_t e2c = gamma2[0];
420 Float_t y2c = gamma2[1];
421 Float_t x2c = gamma2[2];
423 Float_t e = GetEnergy();
426 AliPHOSDigit * digit ;
427 Int_t nDigits = GetMultiplicity();
428 Int_t * digits = GetDigitsList();
429 Float_t * energies = GetEnergiesList();
435 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
436 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
438 for(Int_t iter=0; iter<nIter; iter++)
447 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
449 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
450 eDigit = energies[iDigit];
451 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
452 fGeom->RelPosInModule(relid, iy, ix);
457 Float_t dx1 = x1c - ix;
458 Float_t dy1 = y1c - iy;
460 GetReconstructionManager()->AG(e1c,dx1,dy1,a1,gx1,gy1);
462 Float_t dx2 = x2c - ix;
463 Float_t dy2 = y2c - iy;
465 GetReconstructionManager()->AG(e2c,dx2,dy2,a2,gx2,gy2);
468 // Float_t D = Const*a*(1. - a/e);
471 // // D = 9.; // ????
473 // Float_t da = a - eDigit;
474 // chisqc += da*da/D;
475 // Float_t dd = da/D;
476 // dd = dd*(2.-dd*Const*(1.-2.*a/e));
479 chisqc += GetReconstructionManager()->TwoGamChi2(a,eDigit,e,dd);
485 grec += (a1/e1c - a2/e2c)*e*dd;
489 Float_t grc = TMath::Sqrt(grx1c*grx1c + gry1c*gry1c + grx2c*grx2c + gry2c*gry2c);
490 if(grc<1.e-10) grc=1.e-10;
492 Float_t sc = 1. + chisqc/ch;
497 cosi = (grx1*grx1c + gry1*gry1c + grx2*grx2c + gry2*gry2c + gre*grec)/gr/grc;
498 st = st*sc/(1.4 - cosi);
520 Float_t step = st*gr;
522 AliInfo(Form("Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpmin %d",
523 iter, dof, ch/dof, chstop/dof, step, stpmin)) ;
529 Float_t de = st*gre*e;
533 if( (e1c>emin) && (e2c>emin) )
549 // if(ch>chisq*(nadc-2)-delch)
569 message = " (x,z,e)[1 fit] = (%f, %f, %f)\n" ;
570 message = " (x,z,e)[2 fit] = (%f, %f, %f)\n" ;
571 AliInfo(Form(message.Data(),
573 x2New, z2New, e2New)) ;
579 void AliPHOSEvalRecPoint::UnfoldTwoMergedPoints(Float_t* gamma1, Float_t* gamma2)
581 //Unfold TWO merged rec. points in the case when cluster has only one maximum,
582 //but it's fitting to the one gamma shower is too bad.
583 // Use TwoGam() to estimate the positions and energies of merged points.
589 Int_t* digits = GetDigitsList();
590 Int_t nDigits = GetMultiplicity();
591 Float_t* energies = GetEnergiesList();
592 Float_t* eFit = new Float_t[nDigits];
594 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
595 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
597 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
599 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
601 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
603 fGeom->RelPosInModule(relid, x, z);
606 for(Int_t iMax=0; iMax<nMax; iMax++)
613 Float_t eMax = gamma[0];
614 Float_t xMax = gamma[1];
615 Float_t zMax = gamma[2];
617 Float_t dx = xMax - x;
618 Float_t dz = zMax - z;
620 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
628 for( Int_t iMax=0; iMax<nMax; iMax++)
635 Float_t eMax = gamma[0];
636 Float_t xMax = gamma[1];
637 Float_t zMax = gamma[2];
639 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
640 TVector3 newpos(xMax,0,zMax);
641 newRP->SetLocalPosition(newpos);
643 for( Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
645 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
646 Float_t eDigit = energies[iDigit];
648 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
650 fGeom->RelPosInModule(relid, ix, iz);
652 Float_t dx = xMax - ix;
653 Float_t dz = zMax - iz;
654 Float_t singleShowerGain,gxMax,gyMax;
655 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
656 Float_t totalGain = eFit[iDigit];
657 Float_t ratio = singleShowerGain/totalGain;
658 eDigit = eDigit*ratio;
659 newRP->AddDigit(*digit,eDigit);
661 AliInfo(Form("======= Split: daughter rec point %d =================",
673 void AliPHOSEvalRecPoint::EvaluatePosition()
675 // One gamma fit algorithm.
676 // Set chisq/dof of the fit.
677 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed gamma, respectively.
679 Int_t nDigits = GetMultiplicity();
683 Int_t nIter = GetReconstructionManager()->OneGamNumOfIterations(); // number of iterations
684 Float_t st0 = GetReconstructionManager()->OneGamInitialStep(); // initial step
685 // const Float_t stpMin = 0.005;
686 Float_t stpMin = GetReconstructionManager()->OneGamStepMin();
687 Float_t chmin = GetReconstructionManager()->OneGamChisqMin();
695 GetLocalPosition(locpos);
696 Float_t e = GetEnergy();
697 Float_t xc = locpos.Z();
698 Float_t yc = locpos.X();
699 Float_t dx,dy,gx,gy,grxc,gryc;
701 Float_t chisq = 1.e+20;
705 Int_t dof = GetMultiplicity() - 2;
708 Float_t chstop = chmin*dof;
709 Float_t cosi,x1=0,y1=0;
712 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
713 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
715 for(Int_t iter=0; iter<nIter; iter++)
721 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
724 Float_t* energies = GetEnergiesList();
725 Int_t* digits = GetDigitsList();
726 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
727 eDigit = energies[iDigit];
728 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
729 fGeom->RelPosInModule(relid, iy, ix);
738 GetReconstructionManager()->AG(e,dx,dy,a,gx,gy);
740 AliInfo(Form(" (ix iy xc yc dx dy) %f %f %f %f %f %f",
741 ix, iy, xc, yc, dx, dy)) ;
742 Float_t chi2dg = GetReconstructionManager()->OneGamChi2(a,eDigit,e,dd);
744 // Exclude digit with too large chisquare.
745 if(chi2dg > 10) { continue; }
753 Float_t grc = TMath::Sqrt(grxc*grxc + gryc*gryc);
754 if(grc<1.e-10) grc=1.e-10;
755 Float_t sc = 1. + chisqc/chisq;
756 AliInfo(Form(" chisq: %f", chisq)) ;
760 cosi = (grx*grxc + gry*gryc)/gr/grc;
761 st = st*sc/(1.4 - cosi);
773 Float_t step = st*gr;
775 AliInfo(Form(" Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpMin %d",
776 iter, dof, chisq/dof, chisq/dof, chstop/dof, step, stpMin)) ;
801 TVector3 newpos(gamma1[1],0,gamma1[2]);
802 //SetLocalPosition(newpos);
808 // RP->GetLocalPosition(pos);
817 Bool_t AliPHOSEvalRecPoint::KillWeakPoint()
819 // Remove this point from further procession
820 // if it's energy is too small.
822 Float_t thr0 = GetReconstructionManager()->KillGamMinEnergy();
824 if(GetEnergy()<thr0) {
825 AliInfo(Form("+++++++ Killing this rec point ++++++++++")) ;
826 RemoveFromWorkingPool(this);
834 void AliPHOSEvalRecPoint::SplitMergedShowers()
836 // Split two very close rec. points.
838 if(GetMultiplicity()<2)
844 InitTwoGam(gamma1,gamma2); // start points for fit
845 TwoGam(gamma1,gamma2); // evaluate the positions and energies
846 UnfoldTwoMergedPoints(gamma1,gamma2); // make the job
851 void AliPHOSEvalRecPoint::MergeClosePoint()
853 // merge rec.points if they are too close
854 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
855 // AliPHOSDigitizer* digitizer = fLoader->Digitizer();
856 // Float_t fPedestal = digitizer->GetPedestal(); // YVK 30.09.2001
857 // Float_t fSlope = digitizer->GetSlope();
859 for (Int_t i=0;i<InWorkingPool(); i++)
861 TObject* obj = GetFromWorkingPool(i);
862 if(!((TObject*)this)->IsEqual(obj))
864 AliPHOSRecPoint* rp = (AliPHOSRecPoint*)obj;
865 if(GetPHOSMod() == rp->GetPHOSMod())
869 AliInfo(Form("+++++++ Merging point 1: ++++++")) ;
871 AliInfo(Form("+++++++ and point 2: ++++++++++")) ;
872 ((AliPHOSEvalRecPoint*)rp)->Print();
874 //merge two rec. points
877 this->GetLocalPosition(lpos1);
878 rp->GetLocalPosition(lpos2);
880 Int_t* digits = rp->GetDigitsList();
881 Float_t dE = rp->GetEnergy()/(rp->GetEnergy()+this->GetEnergy());
882 Float_t newX = lpos1.X()*dE + lpos2.X()*(1.-dE);
883 Float_t newZ = lpos1.Z()*dE + lpos2.Z()*(1.-dE);
884 Float_t newE = rp->GetEnergy()+this->GetEnergy();
885 Float_t* energies = ((AliPHOSEmcRecPoint*)rp)->GetEnergiesList();
887 for(Int_t iDigit=0; iDigit<rp->GetDigitsMultiplicity(); iDigit++)
889 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At(digits[iDigit]);
890 Float_t eDigit = energies[iDigit];
891 this->AddDigit(*digit,eDigit);
894 TVector3 newpos(newX,0,newZ);
897 RemoveFromWorkingPool(rp);
900 AliInfo(Form("++++++ Resulting point: ++++++++")) ;
911 Int_t AliPHOSEvalRecPoint::UnfoldLocalMaxima()
913 // Make unfolding in the reconstruction point with several local maxima.
914 // Return the number of local maxima.
916 // if multiplicity less then 2 - nothing to unfold
917 if(GetMultiplicity()<2) return 1;
919 AliPHOSDigit * maxAt[1000];
920 Float_t maxAtEnergy[1000];
921 Float_t locMaxCut, logWeight;
926 AliPHOSClusterizer* clusterizer = GetClusterizer();
928 AliFatal(Form("Cannot get clusterizer")) ;
932 locMaxCut = clusterizer->GetEmcLocalMaxCut();
933 logWeight = clusterizer->GetEmcLogWeight();
936 locMaxCut = clusterizer->GetCpvLocalMaxCut();
937 logWeight = clusterizer->GetCpvLogWeight();
940 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
941 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
942 TClonesArray* digits = fLoader->Digits();
944 // if number of local maxima less then 2 - nothing to unfold
945 Int_t nMax = GetNumberOfLocalMax(maxAt,maxAtEnergy,locMaxCut,digits);
946 if(nMax<2) return nMax;
948 Int_t* digitsList = GetDigitsList();
949 Int_t nDigits = GetMultiplicity();
950 Float_t* energies = GetEnergiesList();
951 Float_t* eFit = new Float_t[nDigits];
953 Int_t iDigit; //loop variable
955 for(iDigit=0; iDigit<nDigits; iDigit++)
960 for(iDigit=0; iDigit<nDigits; iDigit++)
963 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
964 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
966 fGeom->RelPosInModule(relid, x, z);
968 for(Int_t iMax=0; iMax<nMax; iMax++)
970 AliPHOSDigit* digitMax = maxAt[iMax];
971 Float_t eMax = maxAtEnergy[iMax];
972 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
973 fGeom->RelPosInModule(relid, xMax, zMax);
974 Float_t dx = xMax - x;
975 Float_t dz = zMax - z;
977 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
984 for(Int_t iMax=0; iMax<nMax; iMax++)
986 AliPHOSDigit* digitMax = maxAt[iMax];
987 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
988 fGeom->RelPosInModule(relid, xMax, zMax);
989 Float_t eMax = maxAtEnergy[iMax];
991 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
992 newRP->AddDigit(*digitMax,maxAtEnergy[iMax]);
994 //Neighbous ( matrix 3x3 around the local maximum)
995 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
997 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
998 Float_t eDigit = energies[iDigit];
999 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
1001 fGeom->RelPosInModule(relid, ix, iz);
1003 if(AreNeighbours(digitMax,digit))
1005 Float_t dx = xMax - ix;
1006 Float_t dz = zMax - iz;
1007 Float_t singleShowerGain,gxMax,gyMax;
1008 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
1009 Float_t totalGain = eFit[iDigit];
1010 Float_t ratio = singleShowerGain/totalGain;
1011 AliInfo(Form(" ratio -> %f", ratio)) ;
1012 eDigit = eDigit*ratio;
1013 newRP->AddDigit(*digit,eDigit);
1017 newRP->EvalLocalPosition(logWeight,digits);
1018 AliInfo(Form("======= Unfold: daughter rec point %d =================",
1023 // RemoveFromWorkingPool(this);
1031 void AliPHOSEvalRecPoint::PrintPoint()
1033 // print rec.point to stdout
1034 AliPHOSCpvRecPoint::Print();
1037 GetLocalPosition(lpos);
1040 message = " Chi2/dof = %f" ;
1041 message += " Local (x,z) = (%f, %f) in module %d" ;
1042 AliInfo(Form(message.Data(), Chi2Dof(), lpos.X(), lpos.Z(), GetPHOSMod())) ;
1046 AliPHOSRecManager* AliPHOSEvalRecPoint::GetReconstructionManager() const
1048 // returns reconstruction manager
1049 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1050 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1051 AliPHOSRecManager* recMng = (AliPHOSRecManager*)wPoolF->FindObject("AliPHOSRecManager");
1053 AliFatal(Form("Couldn't find Reconstruction Manager")) ;
1060 AliPHOSRecPoint* AliPHOSEvalRecPoint::Parent()
1063 if(fParent<0) return NULL;
1065 return (AliPHOSRecPoint*)GetFromWorkingPool(fParent);
1069 Float_t AliPHOSEvalRecPoint::Chi2Dof() const
1071 // returns a chi^2 per degree of freedom
1075 const TObject* AliPHOSEvalRecPoint::GetWorkingPool()
1077 // returns a pool of rec.points
1078 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1079 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1080 TObject* wPool = wPoolF->FindObject("SmartPoints");
1082 AliFatal(Form("Couldn't find Working Pool")) ;
1088 void AliPHOSEvalRecPoint::AddToWorkingPool(TObject* obj)
1090 // add a rec.point to a pool
1091 ((TObjArray*)GetWorkingPool())->Add(obj);
1094 TObject* AliPHOSEvalRecPoint::GetFromWorkingPool(Int_t i)
1096 // return a rec.point from a pool at an index i
1097 // return fWorkingPool->At(i);
1098 return ((TObjArray*)GetWorkingPool())->At(i);
1101 Int_t AliPHOSEvalRecPoint::InWorkingPool()
1103 // return the number of rec.points in a pool
1104 return ((TObjArray*)GetWorkingPool())->GetEntries();
1107 void AliPHOSEvalRecPoint::RemoveFromWorkingPool(TObject* obj)
1109 // remove a rec.point from a pool
1110 ((TObjArray*)GetWorkingPool())->Remove(obj);
1111 ((TObjArray*)GetWorkingPool())->Compress();
1114 void AliPHOSEvalRecPoint::PrintWorkingPool()
1116 // print pool of rec.points to stdout
1117 ((TObjArray*)GetWorkingPool())->Print();