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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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | //*-- | |
20 | //*-- Yves Schutz (SUBATECH) | |
21 | // Reconstruction class. Redesigned from the old AliReconstructionner class and | |
22 | // derived from STEER/AliReconstructor. | |
23 | // | |
24 | // --- ROOT system --- | |
25 | ||
26 | // --- Standard library --- | |
27 | ||
28 | // --- AliRoot header files --- | |
29 | #include "AliEMCALReconstructor.h" | |
30 | ||
31 | #include "AliESD.h" | |
32 | #include "AliRunLoader.h" | |
33 | #include "AliEMCALLoader.h" | |
34 | #include "AliEMCALClusterizerv1.h" | |
35 | #include "AliEMCALRecPoint.h" | |
36 | #include "AliRawReaderFile.h" | |
37 | ||
38 | ClassImp(AliEMCALReconstructor) | |
39 | ||
40 | //____________________________________________________________________________ | |
41 | AliEMCALReconstructor::AliEMCALReconstructor() : fDebug(kFALSE) | |
42 | { | |
43 | // ctor | |
44 | ||
45 | } | |
46 | ||
47 | ||
48 | //____________________________________________________________________________ | |
49 | AliEMCALReconstructor::~AliEMCALReconstructor() | |
50 | { | |
51 | // dtor | |
52 | } | |
53 | ||
54 | //____________________________________________________________________________ | |
55 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
56 | { | |
57 | // method called by AliReconstruction; | |
58 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
59 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
60 | // the global tracking. | |
61 | ||
62 | TString headerFile(runLoader->GetFileName()) ; | |
63 | TString branchName(runLoader->GetEventFolder()->GetName() ) ; | |
64 | ||
65 | AliEMCALClusterizerv1 clu(headerFile, branchName); | |
66 | clu.SetEventRange(0, -1) ; // do all the events | |
67 | if ( Debug() ) | |
68 | clu.ExecuteTask("deb all") ; | |
69 | else | |
70 | clu.ExecuteTask("") ; | |
71 | ||
72 | } | |
73 | ||
74 | //____________________________________________________________________________ | |
75 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const | |
76 | { | |
77 | // method called by AliReconstruction; | |
78 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
79 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
80 | // the global tracking. | |
81 | // Here we reconstruct from Raw Data | |
82 | ||
83 | rawreader->Reset() ; | |
84 | TString headerFile(runLoader->GetFileName()) ; | |
85 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
86 | ||
87 | AliEMCALClusterizerv1 clu(headerFile, branchName); | |
88 | clu.SetEventRange(0, -1) ; // do all the events | |
89 | if ( Debug() ) | |
90 | clu.ExecuteTask("deb all") ; | |
91 | else | |
92 | clu.ExecuteTask("") ; | |
93 | ||
94 | } | |
95 | ||
96 | //____________________________________________________________________________ | |
97 | void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const | |
98 | { | |
99 | // Called by AliReconstruct after Reconstruct() and global tracking and vertxing | |
100 | ||
101 | Int_t eventNumber = runLoader->GetEventNumber() ; | |
102 | ||
103 | TString headerFile(runLoader->GetFileName()) ; | |
104 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
105 | ||
106 | // PID is not implemented. Skipping for now | |
107 | //AliEMCALPIDv1 pid(headerFile, branchName); | |
108 | ||
109 | // do current event; the loop over events is done by AliReconstruction::Run() | |
110 | /* | |
111 | pid.SetEventRange(eventNumber, eventNumber) ; | |
112 | if ( Debug() ) | |
113 | pid.ExecuteTask("deb all") ; | |
114 | else | |
115 | pid.ExecuteTask("") ; | |
116 | */ | |
117 | ||
118 | // Creates AliESDtrack from AliEMCALRecPoints | |
119 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
120 | AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL")); | |
121 | rl->LoadRecPoints(); | |
122 | rl->GetEvent(eventNumber); | |
123 | TObjArray *clusters = emcalLoader->RecPoints(); | |
124 | Int_t nClusters = clusters->GetEntries(); | |
125 | esd->SetNumberOfEMCALParticles(nClusters) ; | |
126 | esd->SetFirstEMCALParticle(esd->GetNumberOfTracks()) ; | |
127 | for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) { | |
128 | const AliEMCALRecPoint * clust = emcalLoader->RecPoint(iClust); | |
129 | if (Debug()) | |
130 | clust->Print(); | |
131 | AliESDtrack * et = new AliESDtrack() ; | |
132 | // fills the ESDtrack | |
133 | Double_t xyz[3]; | |
134 | TVector3 gpos; | |
135 | clust->GetGlobalPosition(gpos); | |
136 | for (Int_t ixyz=0; ixyz<3; ixyz++) | |
137 | xyz[ixyz] = gpos[ixyz]; | |
138 | et->SetEMCALposition(xyz) ; | |
139 | et->SetEMCALsignal (clust->GetEnergy()) ; | |
140 | // add the track to the esd object | |
141 | esd->AddTrack(et); | |
142 | delete et; | |
143 | } | |
144 | } |