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d15a28e7 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
a3dfe79c | 19 | //*-- |
dfe0be07 | 20 | //*-- Yves Schutz (SUBATECH) |
21 | // Reconstruction class. Redesigned from the old AliReconstructionner class and | |
22 | // derived from STEER/AliReconstructor. | |
23 | // | |
d15a28e7 | 24 | // --- ROOT system --- |
25 | ||
d15a28e7 | 26 | // --- Standard library --- |
364de5c6 | 27 | |
d15a28e7 | 28 | // --- AliRoot header files --- |
35293055 | 29 | #include "AliESD.h" |
f444a19f | 30 | #include "AliPHOSReconstructor.h" |
7acf6008 | 31 | #include "AliPHOSClusterizerv1.h" |
7acf6008 | 32 | #include "AliPHOSTrackSegmentMakerv1.h" |
33 | #include "AliPHOSPIDv1.h" | |
35293055 | 34 | #include "AliPHOSGetter.h" |
23904d16 | 35 | #include "AliPHOSTracker.h" |
d22dd3b4 | 36 | #include "AliRawReader.h" |
e957fea8 | 37 | |
2e60107f | 38 | |
f444a19f | 39 | ClassImp(AliPHOSReconstructor) |
d15a28e7 | 40 | |
2e60107f | 41 | Bool_t AliPHOSReconstructor::fgDebug = kFALSE ; |
42 | ||
d15a28e7 | 43 | //____________________________________________________________________________ |
2e60107f | 44 | AliPHOSReconstructor::AliPHOSReconstructor() |
d15a28e7 | 45 | { |
b2a60966 | 46 | // ctor |
0379a13e | 47 | |
6ad0bfa0 | 48 | } |
49 | ||
0379a13e | 50 | //____________________________________________________________________________ |
51 | AliPHOSReconstructor::~AliPHOSReconstructor() | |
52 | { | |
53 | // dtor | |
54 | ||
55 | } | |
7acf6008 | 56 | |
7acf6008 | 57 | //____________________________________________________________________________ |
dfe0be07 | 58 | void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const |
35293055 | 59 | { |
dfe0be07 | 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. | |
64 | ||
65 | TString headerFile(runLoader->GetFileName()) ; | |
9ee4fde2 | 66 | TString branchName(runLoader->GetEventFolder()->GetName()) ; |
a68156e6 | 67 | |
68 | AliPHOSClusterizerv1 clu(headerFile, branchName); | |
69 | clu.SetEventRange(0, -1) ; // do all the events | |
70 | if ( Debug() ) | |
71 | clu.ExecuteTask("deb all") ; | |
72 | else | |
73 | clu.ExecuteTask("") ; | |
74 | ||
75 | } | |
76 | ||
77 | //____________________________________________________________________________ | |
3255d660 | 78 | void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const |
a68156e6 | 79 | { |
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 | |
85 | ||
86 | rawreader->Reset() ; | |
87 | TString headerFile(runLoader->GetFileName()) ; | |
88 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
35293055 | 89 | |
dfe0be07 | 90 | AliPHOSClusterizerv1 clu(headerFile, branchName); |
f88e2313 | 91 | clu.SetEventRange(0, -1) ; // do all the events |
d22dd3b4 | 92 | clu.SetRawReader(rawreader); |
dfe0be07 | 93 | if ( Debug() ) |
94 | clu.ExecuteTask("deb all") ; | |
95 | else | |
d22dd3b4 | 96 | clu.ExecuteTask("") ; |
0379a13e | 97 | |
35293055 | 98 | } |
7acf6008 | 99 | |
7acf6008 | 100 | //____________________________________________________________________________ |
dfe0be07 | 101 | void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const |
7acf6008 | 102 | { |
23904d16 | 103 | // This function creates AliESDtracks from AliPHOSRecParticles |
104 | // and | |
105 | // writes them to the ESD | |
bf72996e | 106 | |
23904d16 | 107 | Int_t eventNumber = runLoader->GetEventNumber() ; |
dfe0be07 | 108 | |
0379a13e | 109 | AliPHOSGetter::Instance()->Event(eventNumber, "P") ; |
110 | TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles(); | |
dfe0be07 | 111 | Int_t nOfRecParticles = recParticles->GetEntries(); |
85c60a8e | 112 | esd->SetNumberOfPHOSClusters(nOfRecParticles) ; |
113 | esd->SetFirstPHOSCluster(esd->GetNumberOfTracks()) ; | |
8013c27e | 114 | |
dfe0be07 | 115 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
116 | AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); | |
117 | if (Debug()) | |
118 | rp->Print(); | |
85c60a8e | 119 | AliESDCaloCluster * ec = new AliESDCaloCluster() ; |
120 | // AliESDtrack * et = new AliESDtrack() ; | |
121 | // fills the ESDCaloCluster | |
122 | Float_t xyz[3]; | |
8013c27e | 123 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
124 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
85c60a8e | 125 | ec->SetGlobalPosition(xyz); |
126 | ec->SetClusterEnergy(rp->Energy()); | |
127 | ec->SetPid (rp->GetPID()) ; | |
128 | ec->SetPrimaryIndex (rp->GetPrimaryIndex()); | |
dfe0be07 | 129 | // add the track to the esd object |
85c60a8e | 130 | esd->AddCaloCluster(ec); |
131 | delete ec; | |
7acf6008 | 132 | } |
d7d3b67b | 133 | } |
23904d16 | 134 | |
135 | AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
136 | { | |
137 | // creates the PHOS tracker | |
138 | if (!runLoader) return NULL; | |
139 | return new AliPHOSTracker(runLoader); | |
140 | } | |
141 |