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"
35 #include "AliPHOSTracker.h"
36 #include "AliRawReader.h"
39 ClassImp(AliPHOSReconstructor)
41 Bool_t AliPHOSReconstructor::fgDebug = kFALSE ;
43 //____________________________________________________________________________
44 AliPHOSReconstructor::AliPHOSReconstructor()
50 //____________________________________________________________________________
51 AliPHOSReconstructor::~AliPHOSReconstructor()
57 //____________________________________________________________________________
58 void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
60 // method called by AliReconstruction;
61 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
62 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
63 // the global tracking.
65 TString headerFile(runLoader->GetFileName()) ;
66 TString branchName(runLoader->GetEventFolder()->GetName()) ;
68 AliPHOSClusterizerv1 clu(headerFile, branchName);
69 clu.SetEventRange(0, -1) ; // do all the events
71 clu.ExecuteTask("deb all") ;
77 //____________________________________________________________________________
78 void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const
80 // method called by AliReconstruction;
81 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
82 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
83 // the global tracking.
84 // Here we reconstruct from Raw Data
87 TString headerFile(runLoader->GetFileName()) ;
88 TString branchName(runLoader->GetEventFolder()->GetName()) ;
90 AliPHOSClusterizerv1 clu(headerFile, branchName);
91 clu.SetEventRange(0, -1) ; // do all the events
92 clu.SetRawReader(rawreader);
94 clu.ExecuteTask("deb all") ;
100 //____________________________________________________________________________
101 void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
103 // This function creates AliESDtracks from AliPHOSRecParticles
105 // writes them to the ESD
107 Int_t eventNumber = runLoader->GetEventNumber() ;
109 AliPHOSGetter::Instance()->Event(eventNumber, "P") ;
110 TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles();
111 Int_t nOfRecParticles = recParticles->GetEntries();
112 esd->SetNumberOfPHOSClusters(nOfRecParticles) ;
113 esd->SetFirstPHOSCluster(esd->GetNumberOfTracks()) ;
115 for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
116 AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
119 AliESDCaloCluster * ec = new AliESDCaloCluster() ;
120 // AliESDtrack * et = new AliESDtrack() ;
121 // fills the ESDCaloCluster
123 for (Int_t ixyz=0; ixyz<3; ixyz++)
124 xyz[ixyz] = rp->GetPos()[ixyz];
125 ec->SetGlobalPosition(xyz);
126 ec->SetClusterEnergy(rp->Energy());
127 ec->SetPid (rp->GetPID()) ;
128 ec->SetPrimaryIndex (rp->GetPrimaryIndex());
129 // add the track to the esd object
130 esd->AddCaloCluster(ec);
135 AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const
137 // creates the PHOS tracker
138 if (!runLoader) return NULL;
139 return new AliPHOSTracker(runLoader);