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 **************************************************************************/
18 //_________________________________________________________________________
20 //*-- Yves Schutz (SUBATECH)
21 // Reconstruction class. Redesigned from the old AliReconstructionner class and
22 // derived from STEER/AliReconstructor.
24 // --- ROOT system ---
26 // --- Standard library ---
28 // --- AliRoot header files ---
30 #include "AliPHOSReconstructor.h"
31 #include "AliPHOSClusterizerv1.h"
32 #include "AliPHOSTrackSegmentMakerv1.h"
33 #include "AliPHOSPIDv1.h"
34 #include "AliPHOSGetter.h"
37 ClassImp(AliPHOSReconstructor)
39 Bool_t AliPHOSReconstructor::fgDebug = kFALSE ;
41 //____________________________________________________________________________
42 AliPHOSReconstructor::AliPHOSReconstructor()
48 //____________________________________________________________________________
49 AliPHOSReconstructor::~AliPHOSReconstructor()
55 //____________________________________________________________________________
56 void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
58 // method called by AliReconstruction;
59 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
60 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
61 // the global tracking.
63 TString headerFile(runLoader->GetFileName()) ;
64 TString branchName(runLoader->GetEventFolder()->GetName()) ;
66 AliPHOSClusterizerv1 clu(headerFile, branchName);
67 clu.SetEventRange(0, -1) ; // do all the events
69 clu.ExecuteTask("deb all") ;
75 //____________________________________________________________________________
76 void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
78 // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
79 //Creates the tracksegments and Recparticles
81 Int_t eventNumber = runLoader->GetEventNumber() ;
83 TString headerFile(runLoader->GetFileName()) ;
84 TString branchName(runLoader->GetEventFolder()->GetName()) ;
86 AliPHOSTrackSegmentMakerv1 tsm(headerFile, branchName);
88 AliPHOSPIDv1 pid(headerFile, branchName);
90 // do current event; the loop over events is done by AliReconstruction::Run()
91 tsm.SetEventRange(eventNumber, eventNumber) ;
92 pid.SetEventRange(eventNumber, eventNumber) ;
94 tsm.ExecuteTask("deb all") ;
95 pid.ExecuteTask("deb all") ;
102 // Creates AliESDtrack from AliPHOSRecParticles
103 AliPHOSGetter::Instance()->Event(eventNumber, "P") ;
104 TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles();
105 Int_t nOfRecParticles = recParticles->GetEntries();
106 esd->SetNumberOfPHOSParticles(nOfRecParticles) ;
107 esd->SetFirstPHOSParticle(esd->GetNumberOfTracks()) ;
109 for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
110 AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
113 AliESDtrack * et = new AliESDtrack() ;
114 // fills the ESDtrack
116 for (Int_t ixyz=0; ixyz<3; ixyz++)
117 xyz[ixyz] = rp->GetPos()[ixyz];
118 et->SetPHOSposition(xyz) ;
119 et->SetPHOSsignal (rp->Energy()) ;
120 et->SetPHOSpid (rp->GetPID()) ;
121 // add the track to the esd object