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) : fEventFolderName(AliConfig::GetDefaultEventFolderName())
100 AliPHOSEmcRecPoint* rp=0;
102 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
105 rp = (AliPHOSCpvRecPoint*)fLoader->CpvRecPoints()->At(i);
110 rp = (AliPHOSEmcRecPoint*)fLoader->EmcRecPoints()->At(i);
115 Int_t* digits = rp->GetDigitsList();
116 Float_t* energies = rp->GetEnergiesList();
117 Int_t nDigits = rp->GetMultiplicity();
119 for(Int_t iDigit=0; iDigit<nDigits; iDigit++) {
120 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
121 Float_t eDigit = energies[iDigit];
122 this->AddDigit(*digit,eDigit);
126 rp->GetLocalPosition(locpos);
129 // Add itself to working pool
130 AddToWorkingPool((TObject*)this);
134 AliPHOSClusterizer* AliPHOSEvalRecPoint::GetClusterizer()
136 // returns clusterizer task
137 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
138 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
139 AliPHOSClusterizer* clu = (AliPHOSClusterizer*)wPoolF->FindObject("PHOS:clu-v1");
141 Fatal("GetClusterizer", "Couldn't find Clusterizer") ;
147 Bool_t AliPHOSEvalRecPoint::TooClose(AliPHOSRecPoint* pt) const
149 // check if a rec.point pt is too close to this one
152 pt->GetLocalPosition(herPos);
153 this->GetLocalPosition(myPos);
154 Float_t dx = herPos.X() - myPos.X();
155 Float_t dz = herPos.Z() - myPos.Z();
156 Float_t dr = TMath::Sqrt(dx*dx + dz*dz);
158 if(dr<GetReconstructionManager()->MergeGammasMinDistanceCut())
165 Bool_t AliPHOSEvalRecPoint::NeedToSplit() const
167 // rec.point needs to be split
171 void AliPHOSEvalRecPoint::DeleteParent()
177 void AliPHOSEvalRecPoint::UpdateWorkingPool()
179 // update pool of rec.points
180 Int_t i; //loop variable
182 for(i=0; i<this->InWorkingPool(); i++) {
183 AliPHOSEvalRecPoint* parent = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
185 Int_t nChild = parent->HasChild(children);
186 for(Int_t iChild=0; iChild<nChild; iChild++)
188 ((AliPHOSEvalRecPoint*)children.At(iChild))->DeleteParent();
192 RemoveFromWorkingPool(parent);
198 for(i=0; i<this->InWorkingPool(); i++) {
199 AliPHOSEvalRecPoint* weak = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
200 if (weak->KillWeakPoint()) delete weak;
203 for(i=0; i<this->InWorkingPool(); i++) {
204 AliPHOSEvalRecPoint* close = (AliPHOSEvalRecPoint*)GetFromWorkingPool(i);
205 close->MergeClosePoint();
208 for(i=0; i<this->InWorkingPool(); i++)
209 ((AliPHOSEvalRecPoint*)AliPHOSEvalRecPoint::GetFromWorkingPool(i))->SetIndexInList(i);
213 Int_t AliPHOSEvalRecPoint::HasChild(TObjArray& children)
215 // returns the number of children
216 for(Int_t iChild=0; iChild<InWorkingPool(); iChild++)
218 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)GetFromWorkingPool(iChild);
219 TObject* parent = (TObject*)child->Parent();
220 TObject* me = (TObject*)this;
221 if(parent==me) children.Add(child);
224 return children.GetEntries();
227 void AliPHOSEvalRecPoint::Init()
230 AliPHOSClusterizer* clusterizer = GetClusterizer();
232 Fatal("Init", "Cannot get clusterizer") ;
235 TClonesArray* digits = AliPHOSLoader::GetPHOSLoader(fEventFolderName)->Digits();
239 logWeight = clusterizer->GetEmcLogWeight();
242 logWeight = clusterizer->GetCpvLogWeight();
245 EvalLocalPosition(logWeight,digits); // evaluate initial position
249 void AliPHOSEvalRecPoint::MakeJob()
251 // Reconstruction algoritm implementation.
253 AliPHOSRecManager* recMng = GetReconstructionManager();
260 Int_t nChild = HasChild(children);
264 if(Chi2Dof()>recMng->OneGamChisqCut()) SplitMergedShowers();
267 for(Int_t iChild=0; iChild<nChild; iChild++) {
268 AliPHOSEvalRecPoint* child = (AliPHOSEvalRecPoint*)children.At(iChild);
269 child->EvaluatePosition();
271 if(child->Chi2Dof()>recMng->OneGamChisqCut())
272 child->SplitMergedShowers();
277 void AliPHOSEvalRecPoint::InitTwoGam(Float_t* gamma1, Float_t* gamma2)
279 //Compute start values for two gamma fit algorithm.
280 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed "gammas".
283 TVector3 lpos; // start point choosing.
284 GetLocalPosition(lpos);
285 Float_t xx = lpos.Z();
286 Float_t yy = lpos.X();
287 Float_t e = GetEnergy();
289 AliInfo(Form("(x,z,e)[old] = (%f, %f, %f)", yy, xx, e)) ;
296 AliPHOSDigit * digit ;
297 Int_t nDigits = GetMultiplicity();
298 Int_t * digits = GetDigitsList();
299 Float_t * energies = GetEnergiesList();
311 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
312 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
314 Int_t iDigit; //loop variable
316 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
318 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
319 eDigit = energies[iDigit];
320 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
321 fGeom->RelPosInModule(relid, iy, ix);
323 Float_t dx = ix - xx;
324 Float_t dy = iy - yy;
331 sqr = TMath::Sqrt(4.*exy*exy + (exx-eyy)*(exx-eyy));
332 Float_t euu = (exx+eyy+sqr)/2.;
333 if(sqr>1.e-10) cos2fi = (exx - eyy)/sqr;
334 Float_t cosfi = TMath::Sqrt((1.+cos2fi)/2.);
335 Float_t sinfi = TMath::Sqrt((1.-cos2fi)/2.);
336 if(exy<0) sinfi = -sinfi;
339 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++)
341 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
342 eDigit = energies[iDigit];
343 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
344 fGeom->RelPosInModule(relid, iy, ix);
346 Float_t dx = ix - xx;
347 Float_t dy = iy - yy;
348 Float_t du = dx*cosfi + dy*sinfi;
349 eu3 += eDigit*du*du*du;
352 Float_t c = e*eu3*eu3/(euu*euu*euu)/2.;
354 if(eu3<0) sign = -1.;
355 Float_t r = 1.+ c + sign*TMath::Sqrt(2.*c + c*c);
357 if(TMath::Abs(r-1.)>0.1) u = eu3/euu*(r+1.)/(r-1.);
358 if(TMath::Abs(r-1.)<0.1) u = TMath::Sqrt(sqr/e/r)*(1.+r);
360 Float_t e2c = e/(1.+r);
362 Float_t u1 = -u/(1.+r);
365 Float_t x1c = xx+u1*cosfi;
366 Float_t y1c = yy+u1*sinfi;
367 Float_t x2c = xx+u2*cosfi;
368 Float_t y2c = yy+u2*sinfi;
370 // printf("e1c -> %f\n",e1c);
371 // printf("x1c -> %f\n",x1c);
372 // printf("y1c -> %f\n",y1c);
373 // printf("e2c -> %f\n",e2c);
374 // printf("x2c -> %f\n",x2c);
375 // printf("y2c -> %f\n",y2c);
387 void AliPHOSEvalRecPoint::TwoGam(Float_t* gamma1, Float_t* gamma2)
389 //Fitting algorithm for the two very closed gammas
390 //that merged into the cluster with one maximum.
391 // Starting points gamma1 and gamma2 must be provided before ( see InitTwoGam)
392 //Set chisquare of the fit.
395 Float_t st0 = GetReconstructionManager()->TwoGamInitialStep();
396 Float_t chmin = GetReconstructionManager()->TwoGamChisqMin();
397 Float_t emin = GetReconstructionManager()->TwoGamEmin();
398 Float_t stpmin = GetReconstructionManager()->TwoGamStepMin();
399 Int_t nIter = GetReconstructionManager()->TwoGamNumOfIterations(); // Number of iterations.
401 Float_t chisq = 100.; //Initial chisquare.
403 Int_t nadc = GetMultiplicity();
407 Int_t dof = nadc - 5;
409 Float_t chstop = chmin*dof;
419 Float_t ee1=0,xx1=0,yy1=0,ee2=0,xx2=0,yy2=0,cosi;
421 Float_t e1c = gamma1[0];
422 Float_t y1c = gamma1[1];
423 Float_t x1c = gamma1[2];
425 Float_t e2c = gamma2[0];
426 Float_t y2c = gamma2[1];
427 Float_t x2c = gamma2[2];
429 Float_t e = GetEnergy();
432 AliPHOSDigit * digit ;
433 Int_t nDigits = GetMultiplicity();
434 Int_t * digits = GetDigitsList();
435 Float_t * energies = GetEnergiesList();
441 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
442 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
444 for(Int_t iter=0; iter<nIter; iter++)
453 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
455 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
456 eDigit = energies[iDigit];
457 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
458 fGeom->RelPosInModule(relid, iy, ix);
463 Float_t dx1 = x1c - ix;
464 Float_t dy1 = y1c - iy;
466 GetReconstructionManager()->AG(e1c,dx1,dy1,a1,gx1,gy1);
468 Float_t dx2 = x2c - ix;
469 Float_t dy2 = y2c - iy;
471 GetReconstructionManager()->AG(e2c,dx2,dy2,a2,gx2,gy2);
474 // Float_t D = Const*a*(1. - a/e);
477 // // D = 9.; // ????
479 // Float_t da = a - eDigit;
480 // chisqc += da*da/D;
481 // Float_t dd = da/D;
482 // dd = dd*(2.-dd*Const*(1.-2.*a/e));
485 chisqc += GetReconstructionManager()->TwoGamChi2(a,eDigit,e,dd);
491 grec += (a1/e1c - a2/e2c)*e*dd;
495 Float_t grc = TMath::Sqrt(grx1c*grx1c + gry1c*gry1c + grx2c*grx2c + gry2c*gry2c);
496 if(grc<1.e-10) grc=1.e-10;
498 Float_t sc = 1. + chisqc/ch;
503 cosi = (grx1*grx1c + gry1*gry1c + grx2*grx2c + gry2*gry2c + gre*grec)/gr/grc;
504 st = st*sc/(1.4 - cosi);
526 Float_t step = st*gr;
528 AliInfo(Form("Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpmin %d",
529 iter, dof, ch/dof, chstop/dof, step, stpmin)) ;
535 Float_t de = st*gre*e;
539 if( (e1c>emin) && (e2c>emin) )
555 // if(ch>chisq*(nadc-2)-delch)
575 message = " (x,z,e)[1 fit] = (%f, %f, %f)\n" ;
576 message = " (x,z,e)[2 fit] = (%f, %f, %f)\n" ;
577 AliInfo(Form(message.Data(),
579 x2New, z2New, e2New)) ;
585 void AliPHOSEvalRecPoint::UnfoldTwoMergedPoints(Float_t* gamma1, Float_t* gamma2)
587 //Unfold TWO merged rec. points in the case when cluster has only one maximum,
588 //but it's fitting to the one gamma shower is too bad.
589 // Use TwoGam() to estimate the positions and energies of merged points.
595 Int_t* digits = GetDigitsList();
596 Int_t nDigits = GetMultiplicity();
597 Float_t* energies = GetEnergiesList();
598 Float_t* eFit = new Float_t[nDigits];
600 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
601 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
603 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
605 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
607 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
609 fGeom->RelPosInModule(relid, x, z);
612 for(Int_t iMax=0; iMax<nMax; iMax++)
619 Float_t eMax = gamma[0];
620 Float_t xMax = gamma[1];
621 Float_t zMax = gamma[2];
623 Float_t dx = xMax - x;
624 Float_t dz = zMax - z;
626 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
634 for( Int_t iMax=0; iMax<nMax; iMax++)
641 Float_t eMax = gamma[0];
642 Float_t xMax = gamma[1];
643 Float_t zMax = gamma[2];
645 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
646 TVector3 newpos(xMax,0,zMax);
647 newRP->SetLocalPosition(newpos);
649 for( Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
651 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
652 Float_t eDigit = energies[iDigit];
654 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
656 fGeom->RelPosInModule(relid, ix, iz);
658 Float_t dx = xMax - ix;
659 Float_t dz = zMax - iz;
660 Float_t singleShowerGain,gxMax,gyMax;
661 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
662 Float_t totalGain = eFit[iDigit];
663 Float_t ratio = singleShowerGain/totalGain;
664 eDigit = eDigit*ratio;
665 newRP->AddDigit(*digit,eDigit);
667 AliInfo(Form("======= Split: daughter rec point %d =================",
679 void AliPHOSEvalRecPoint::EvaluatePosition()
681 // One gamma fit algorithm.
682 // Set chisq/dof of the fit.
683 // gamma1[0], gamma1[1], gamma1[2] are Energy,x,z of the reconstructed gamma, respectively.
685 Int_t nDigits = GetMultiplicity();
689 Int_t nIter = GetReconstructionManager()->OneGamNumOfIterations(); // number of iterations
690 Float_t st0 = GetReconstructionManager()->OneGamInitialStep(); // initial step
691 // const Float_t stpMin = 0.005;
692 Float_t stpMin = GetReconstructionManager()->OneGamStepMin();
693 Float_t chmin = GetReconstructionManager()->OneGamChisqMin();
701 GetLocalPosition(locpos);
702 Float_t e = GetEnergy();
703 Float_t xc = locpos.Z();
704 Float_t yc = locpos.X();
705 Float_t dx,dy,gx,gy,grxc,gryc;
707 Float_t chisq = 1.e+20;
711 Int_t dof = GetMultiplicity() - 2;
714 Float_t chstop = chmin*dof;
715 Float_t cosi,x1=0,y1=0;
718 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
719 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
721 for(Int_t iter=0; iter<nIter; iter++)
727 for(Int_t iDigit = 0 ; iDigit < nDigits ; iDigit ++)
730 Float_t* energies = GetEnergiesList();
731 Int_t* digits = GetDigitsList();
732 digit = (AliPHOSDigit*)fLoader->Digits()->At( digits[iDigit] );
733 eDigit = energies[iDigit];
734 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
735 fGeom->RelPosInModule(relid, iy, ix);
744 GetReconstructionManager()->AG(e,dx,dy,a,gx,gy);
746 AliInfo(Form(" (ix iy xc yc dx dy) %f %f %f %f %f %f",
747 ix, iy, xc, yc, dx, dy)) ;
748 Float_t chi2dg = GetReconstructionManager()->OneGamChi2(a,eDigit,e,dd);
750 // Exclude digit with too large chisquare.
751 if(chi2dg > 10) { continue; }
759 Float_t grc = TMath::Sqrt(grxc*grxc + gryc*gryc);
760 if(grc<1.e-10) grc=1.e-10;
761 Float_t sc = 1. + chisqc/chisq;
762 AliInfo(Form(" chisq: %f", chisq)) ;
766 cosi = (grx*grxc + gry*gryc)/gr/grc;
767 st = st*sc/(1.4 - cosi);
779 Float_t step = st*gr;
781 AliInfo(Form(" Iteration %d dof %d chisq/dof %f chstop/dof %f step %d stpMin %d",
782 iter, dof, chisq/dof, chisq/dof, chstop/dof, step, stpMin)) ;
807 TVector3 newpos(gamma1[1],0,gamma1[2]);
808 //SetLocalPosition(newpos);
814 // RP->GetLocalPosition(pos);
823 Bool_t AliPHOSEvalRecPoint::KillWeakPoint()
825 // Remove this point from further procession
826 // if it's energy is too small.
828 Float_t thr0 = GetReconstructionManager()->KillGamMinEnergy();
830 if(GetEnergy()<thr0) {
831 AliInfo(Form("+++++++ Killing this rec point ++++++++++")) ;
832 RemoveFromWorkingPool(this);
840 void AliPHOSEvalRecPoint::SplitMergedShowers()
842 // Split two very close rec. points.
844 if(GetMultiplicity()<2)
850 InitTwoGam(gamma1,gamma2); // start points for fit
851 TwoGam(gamma1,gamma2); // evaluate the positions and energies
852 UnfoldTwoMergedPoints(gamma1,gamma2); // make the job
857 void AliPHOSEvalRecPoint::MergeClosePoint()
859 // merge rec.points if they are too close
860 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
861 // AliPHOSDigitizer* digitizer = fLoader->Digitizer();
862 // Float_t fPedestal = digitizer->GetPedestal(); // YVK 30.09.2001
863 // Float_t fSlope = digitizer->GetSlope();
865 for (Int_t i=0;i<InWorkingPool(); i++)
867 TObject* obj = GetFromWorkingPool(i);
868 if(!((TObject*)this)->IsEqual(obj))
870 AliPHOSRecPoint* rp = (AliPHOSRecPoint*)obj;
871 if(GetPHOSMod() == rp->GetPHOSMod())
875 AliInfo(Form("+++++++ Merging point 1: ++++++")) ;
877 AliInfo(Form("+++++++ and point 2: ++++++++++")) ;
878 ((AliPHOSEvalRecPoint*)rp)->Print();
880 //merge two rec. points
883 this->GetLocalPosition(lpos1);
884 rp->GetLocalPosition(lpos2);
886 Int_t* digits = rp->GetDigitsList();
887 Float_t dE = rp->GetEnergy()/(rp->GetEnergy()+this->GetEnergy());
888 Float_t newX = lpos1.X()*dE + lpos2.X()*(1.-dE);
889 Float_t newZ = lpos1.Z()*dE + lpos2.Z()*(1.-dE);
890 Float_t newE = rp->GetEnergy()+this->GetEnergy();
891 Float_t* energies = ((AliPHOSEmcRecPoint*)rp)->GetEnergiesList();
893 for(Int_t iDigit=0; iDigit<rp->GetDigitsMultiplicity(); iDigit++)
895 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At(digits[iDigit]);
896 Float_t eDigit = energies[iDigit];
897 this->AddDigit(*digit,eDigit);
900 TVector3 newpos(newX,0,newZ);
903 RemoveFromWorkingPool(rp);
906 AliInfo(Form("++++++ Resulting point: ++++++++")) ;
917 Int_t AliPHOSEvalRecPoint::UnfoldLocalMaxima()
919 // Make unfolding in the reconstruction point with several local maxima.
920 // Return the number of local maxima.
922 // if multiplicity less then 2 - nothing to unfold
923 if(GetMultiplicity()<2) return 1;
925 AliPHOSDigit * maxAt[1000];
926 Float_t maxAtEnergy[1000];
927 Float_t locMaxCut, logWeight;
932 AliPHOSClusterizer* clusterizer = GetClusterizer();
934 AliFatal(Form("Cannot get clusterizer")) ;
938 locMaxCut = clusterizer->GetEmcLocalMaxCut();
939 logWeight = clusterizer->GetEmcLogWeight();
942 locMaxCut = clusterizer->GetCpvLocalMaxCut();
943 logWeight = clusterizer->GetCpvLogWeight();
946 AliPHOSLoader* fLoader = AliPHOSLoader::GetPHOSLoader(fEventFolderName);
947 const AliPHOSGeometry* fGeom = fLoader->PHOSGeometry();
948 TClonesArray* digits = fLoader->Digits();
950 // if number of local maxima less then 2 - nothing to unfold
951 Int_t nMax = GetNumberOfLocalMax(maxAt,maxAtEnergy,locMaxCut,digits);
952 if(nMax<2) return nMax;
954 Int_t* digitsList = GetDigitsList();
955 Int_t nDigits = GetMultiplicity();
956 Float_t* energies = GetEnergiesList();
957 Float_t* eFit = new Float_t[nDigits];
959 Int_t iDigit; //loop variable
961 for(iDigit=0; iDigit<nDigits; iDigit++)
966 for(iDigit=0; iDigit<nDigits; iDigit++)
969 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
970 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
972 fGeom->RelPosInModule(relid, x, z);
974 for(Int_t iMax=0; iMax<nMax; iMax++)
976 AliPHOSDigit* digitMax = maxAt[iMax];
977 Float_t eMax = maxAtEnergy[iMax];
978 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
979 fGeom->RelPosInModule(relid, xMax, zMax);
980 Float_t dx = xMax - x;
981 Float_t dz = zMax - z;
983 GetReconstructionManager()->AG(eMax,dz,dx,amp,gx,gy);
990 for(Int_t iMax=0; iMax<nMax; iMax++)
992 AliPHOSDigit* digitMax = maxAt[iMax];
993 fGeom->AbsToRelNumbering(digitMax->GetId(), relid) ;
994 fGeom->RelPosInModule(relid, xMax, zMax);
995 Float_t eMax = maxAtEnergy[iMax];
997 AliPHOSEvalRecPoint* newRP = new AliPHOSEvalRecPoint(IsCPV(),this);
998 newRP->AddDigit(*digitMax,maxAtEnergy[iMax]);
1000 //Neighbous ( matrix 3x3 around the local maximum)
1001 for(Int_t iDigit=0; iDigit<nDigits; iDigit++)
1003 AliPHOSDigit* digit = (AliPHOSDigit*)fLoader->Digits()->At( digitsList[iDigit] );
1004 Float_t eDigit = energies[iDigit];
1005 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
1007 fGeom->RelPosInModule(relid, ix, iz);
1009 if(AreNeighbours(digitMax,digit))
1011 Float_t dx = xMax - ix;
1012 Float_t dz = zMax - iz;
1013 Float_t singleShowerGain,gxMax,gyMax;
1014 GetReconstructionManager()->AG(eMax,dz,dx,singleShowerGain,gxMax,gyMax);
1015 Float_t totalGain = eFit[iDigit];
1016 Float_t ratio = singleShowerGain/totalGain;
1017 AliInfo(Form(" ratio -> %f", ratio)) ;
1018 eDigit = eDigit*ratio;
1019 newRP->AddDigit(*digit,eDigit);
1023 newRP->EvalLocalPosition(logWeight,digits);
1024 AliInfo(Form("======= Unfold: daughter rec point %d =================",
1029 // RemoveFromWorkingPool(this);
1037 void AliPHOSEvalRecPoint::PrintPoint()
1039 // print rec.point to stdout
1040 AliPHOSCpvRecPoint::Print();
1043 GetLocalPosition(lpos);
1046 message = " Chi2/dof = %f" ;
1047 message += " Local (x,z) = (%f, %f) in module %d" ;
1048 AliInfo(Form(message.Data(), Chi2Dof(), lpos.X(), lpos.Z(), GetPHOSMod())) ;
1052 AliPHOSRecManager* AliPHOSEvalRecPoint::GetReconstructionManager() const
1054 // returns reconstruction manager
1055 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1056 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1057 AliPHOSRecManager* recMng = (AliPHOSRecManager*)wPoolF->FindObject("AliPHOSRecManager");
1059 AliFatal(Form("Couldn't find Reconstruction Manager")) ;
1066 AliPHOSRecPoint* AliPHOSEvalRecPoint::Parent()
1069 if(fParent<0) return NULL;
1071 return (AliPHOSRecPoint*)GetFromWorkingPool(fParent);
1075 Float_t AliPHOSEvalRecPoint::Chi2Dof() const
1077 // returns a chi^2 per degree of freedom
1081 const TObject* AliPHOSEvalRecPoint::GetWorkingPool()
1083 // returns a pool of rec.points
1084 TFolder* aliceF = (TFolder*)gROOT->FindObjectAny("YSAlice");
1085 TFolder* wPoolF = (TFolder*)aliceF->FindObject("WhiteBoard/RecPoints/PHOS/SmP");
1086 TObject* wPool = wPoolF->FindObject("SmartPoints");
1088 AliFatal(Form("Couldn't find Working Pool")) ;
1094 void AliPHOSEvalRecPoint::AddToWorkingPool(TObject* obj)
1096 // add a rec.point to a pool
1097 ((TObjArray*)GetWorkingPool())->Add(obj);
1100 TObject* AliPHOSEvalRecPoint::GetFromWorkingPool(Int_t i)
1102 // return a rec.point from a pool at an index i
1103 // return fWorkingPool->At(i);
1104 return ((TObjArray*)GetWorkingPool())->At(i);
1107 Int_t AliPHOSEvalRecPoint::InWorkingPool()
1109 // return the number of rec.points in a pool
1110 return ((TObjArray*)GetWorkingPool())->GetEntries();
1113 void AliPHOSEvalRecPoint::RemoveFromWorkingPool(TObject* obj)
1115 // remove a rec.point from a pool
1116 ((TObjArray*)GetWorkingPool())->Remove(obj);
1117 ((TObjArray*)GetWorkingPool())->Compress();
1120 void AliPHOSEvalRecPoint::PrintWorkingPool()
1122 // print pool of rec.points to stdout
1123 ((TObjArray*)GetWorkingPool())->Print();