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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" |
e957fea8 | 35 | |
2e60107f | 36 | |
f444a19f | 37 | ClassImp(AliPHOSReconstructor) |
d15a28e7 | 38 | |
2e60107f | 39 | Bool_t AliPHOSReconstructor::fgDebug = kFALSE ; |
40 | ||
d15a28e7 | 41 | //____________________________________________________________________________ |
2e60107f | 42 | AliPHOSReconstructor::AliPHOSReconstructor() |
d15a28e7 | 43 | { |
b2a60966 | 44 | // ctor |
0379a13e | 45 | |
6ad0bfa0 | 46 | } |
47 | ||
0379a13e | 48 | //____________________________________________________________________________ |
49 | AliPHOSReconstructor::~AliPHOSReconstructor() | |
50 | { | |
51 | // dtor | |
52 | ||
53 | } | |
7acf6008 | 54 | |
7acf6008 | 55 | //____________________________________________________________________________ |
dfe0be07 | 56 | void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const |
35293055 | 57 | { |
dfe0be07 | 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. | |
62 | ||
63 | TString headerFile(runLoader->GetFileName()) ; | |
9ee4fde2 | 64 | TString branchName(runLoader->GetEventFolder()->GetName()) ; |
35293055 | 65 | |
dfe0be07 | 66 | AliPHOSClusterizerv1 clu(headerFile, branchName); |
67 | clu.SetEventRange(0, -1) ; // do all the events | |
68 | if ( Debug() ) | |
69 | clu.ExecuteTask("deb all") ; | |
70 | else | |
71 | clu.ExecuteTask("") ; | |
0379a13e | 72 | |
35293055 | 73 | } |
7acf6008 | 74 | |
7acf6008 | 75 | //____________________________________________________________________________ |
dfe0be07 | 76 | void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const |
7acf6008 | 77 | { |
dfe0be07 | 78 | // Called by AliReconstruct after Reconstruct() and global tracking and vertxing |
79 | //Creates the tracksegments and Recparticles | |
80 | ||
bf72996e | 81 | Int_t eventNumber = runLoader->GetEventNumber() ; |
82 | ||
dfe0be07 | 83 | TString headerFile(runLoader->GetFileName()) ; |
bf72996e | 84 | TString branchName(runLoader->GetEventFolder()->GetName()) ; |
dfe0be07 | 85 | |
0379a13e | 86 | AliPHOSTrackSegmentMakerv1 tsm(headerFile, branchName); |
8013c27e | 87 | tsm.SetESD(esd) ; |
0379a13e | 88 | AliPHOSPIDv1 pid(headerFile, branchName); |
dfe0be07 | 89 | |
dfe0be07 | 90 | // do current event; the loop over events is done by AliReconstruction::Run() |
0379a13e | 91 | tsm.SetEventRange(eventNumber, eventNumber) ; |
92 | pid.SetEventRange(eventNumber, eventNumber) ; | |
dfe0be07 | 93 | if ( Debug() ) { |
0379a13e | 94 | tsm.ExecuteTask("deb all") ; |
95 | pid.ExecuteTask("deb all") ; | |
7acf6008 | 96 | } |
dfe0be07 | 97 | else { |
0379a13e | 98 | tsm.ExecuteTask("") ; |
99 | pid.ExecuteTask("") ; | |
7acf6008 | 100 | } |
dfe0be07 | 101 | |
102 | // Creates AliESDtrack from AliPHOSRecParticles | |
0379a13e | 103 | AliPHOSGetter::Instance()->Event(eventNumber, "P") ; |
104 | TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles(); | |
dfe0be07 | 105 | Int_t nOfRecParticles = recParticles->GetEntries(); |
8013c27e | 106 | esd->SetNumberOfPHOSParticles(nOfRecParticles) ; |
107 | esd->SetFirstPHOSParticle(esd->GetNumberOfTracks()) ; | |
108 | ||
dfe0be07 | 109 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
110 | AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); | |
111 | if (Debug()) | |
112 | rp->Print(); | |
113 | AliESDtrack * et = new AliESDtrack() ; | |
114 | // fills the ESDtrack | |
115 | Double_t xyz[3]; | |
8013c27e | 116 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
117 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
dfe0be07 | 118 | et->SetPHOSposition(xyz) ; |
119 | et->SetPHOSsignal (rp->Energy()) ; | |
120 | et->SetPHOSpid (rp->GetPID()) ; | |
121 | // add the track to the esd object | |
122 | esd->AddTrack(et); | |
123 | delete et; | |
7acf6008 | 124 | } |
d7d3b67b | 125 | } |