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 //____________________________________________________________________________
40 AliPHOSReconstructor::AliPHOSReconstructor() : fDebug(kFALSE)
46 //____________________________________________________________________________
47 AliPHOSReconstructor::~AliPHOSReconstructor()
53 //____________________________________________________________________________
54 void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
56 // method called by AliReconstruction;
57 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
58 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
59 // the global tracking.
61 TString headerFile(runLoader->GetFileName()) ;
62 TString branchName("Default") ;
64 AliPHOSClusterizerv1 clu(headerFile, branchName);
65 clu.SetEventRange(0, -1) ; // do all the events
67 clu.ExecuteTask("deb all") ;
71 AliPHOSGetter::Instance()->PhosLoader()->CleanReconstructioner();
74 //____________________________________________________________________________
75 void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
77 // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
78 //Creates the tracksegments and Recparticles
80 TString headerFile(runLoader->GetFileName()) ;
81 TString branchName("Default") ;
83 AliPHOSTrackSegmentMakerv1 tsm(headerFile, branchName);
84 AliPHOSPIDv1 pid(headerFile, branchName);
86 // AliPHOSGetter *gime = AliPHOSGetter::Instance() ;
87 Int_t eventNumber = runLoader->GetEventNumber() ;
88 // do current event; the loop over events is done by AliReconstruction::Run()
89 Info("FillESD 1", "%d", eventNumber) ;
90 tsm.SetEventRange(eventNumber, eventNumber) ;
91 pid.SetEventRange(eventNumber, eventNumber) ;
93 tsm.ExecuteTask("deb all") ;
94 pid.ExecuteTask("deb all") ;
101 // Creates AliESDtrack from AliPHOSRecParticles
102 AliPHOSGetter::Instance()->Event(eventNumber, "P") ;
103 TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles();
104 Int_t nOfRecParticles = recParticles->GetEntries();
105 for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
106 AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
109 AliESDtrack * et = new AliESDtrack() ;
110 // fills the ESDtrack
112 for (Int_t ixyz=0; ixyz<3; ixyz++) xyz[ixyz] = rp->GetPos()[ixyz];
113 et->SetPHOSposition(xyz) ;
114 et->SetPHOSsignal (rp->Energy()) ;
115 et->SetPHOSpid (rp->GetPID()) ;
116 // add the track to the esd object