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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 | //____________________________________________________________________________ |
772634e0 | 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 | //____________________________________________________________________________ | |
772634e0 | 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 | |
772634e0 | 85 | |
a68156e6 | 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); |
f5eaa851 | 93 | |
94 | TString option = GetOption(); | |
95 | if (option.Contains("OldRCUFormat")) | |
96 | clu.SetOldRCUFormat(kTRUE); | |
97 | ||
dfe0be07 | 98 | if ( Debug() ) |
99 | clu.ExecuteTask("deb all") ; | |
100 | else | |
d22dd3b4 | 101 | clu.ExecuteTask("") ; |
0379a13e | 102 | |
35293055 | 103 | } |
7acf6008 | 104 | |
7acf6008 | 105 | //____________________________________________________________________________ |
dfe0be07 | 106 | void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const |
7acf6008 | 107 | { |
23904d16 | 108 | // This function creates AliESDtracks from AliPHOSRecParticles |
109 | // and | |
110 | // writes them to the ESD | |
bf72996e | 111 | |
23904d16 | 112 | Int_t eventNumber = runLoader->GetEventNumber() ; |
dfe0be07 | 113 | |
25ed816e | 114 | AliPHOSGetter *gime = AliPHOSGetter::Instance(); |
115 | gime->Event(eventNumber, "DRTP") ; | |
116 | TClonesArray *recParticles = gime->RecParticles(); | |
dfe0be07 | 117 | Int_t nOfRecParticles = recParticles->GetEntries(); |
25ed816e | 118 | |
85c60a8e | 119 | esd->SetNumberOfPHOSClusters(nOfRecParticles) ; |
4e16f560 | 120 | esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ; |
8013c27e | 121 | |
dfe0be07 | 122 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
123 | AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); | |
124 | if (Debug()) | |
125 | rp->Print(); | |
25ed816e | 126 | // Get track segment and EMC rec.point associated with this rec.particle |
127 | AliPHOSTrackSegment *ts = gime->TrackSegment(rp->GetPHOSTSIndex()); | |
128 | AliPHOSEmcRecPoint *emcRP = gime->EmcRecPoint(ts->GetEmcIndex()); | |
129 | AliESDCaloCluster *ec = new AliESDCaloCluster() ; | |
130 | ||
85c60a8e | 131 | // fills the ESDCaloCluster |
132 | Float_t xyz[3]; | |
8013c27e | 133 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
134 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
25ed816e | 135 | |
136 | Int_t digitMult = emcRP->GetDigitsMultiplicity(); | |
137 | Int_t *digitsList = emcRP->GetDigitsList(); | |
138 | UShort_t *amplList = new UShort_t[digitMult]; | |
139 | UShort_t *timeList = new UShort_t[digitMult]; | |
140 | UShort_t *digiList = new UShort_t[digitMult]; | |
141 | ||
142 | // Convert Float_t* and Int_t* to UShort_t* to save memory | |
143 | for (Int_t iDigit=0; iDigit<digitMult; iDigit++) { | |
144 | AliPHOSDigit *digit = gime->Digit(digitsList[iDigit]); | |
145 | amplList[iDigit] = (UShort_t)(digit->GetEnergy()*500); | |
146 | amplList[iDigit] = (UShort_t)(digit->GetTime()*1e9*100); | |
147 | digiList[iDigit] = (UShort_t)(digit->GetId()); | |
148 | } | |
149 | ec->SetGlobalPosition(xyz); //rec.point position in MARS | |
150 | ec->SetClusterEnergy(rp->Energy()); //total particle energy | |
151 | ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion | |
152 | ec->SetPid (rp->GetPID()) ; //array of particle identification | |
153 | ec->SetPrimaryIndex (rp->GetPrimaryIndex());//index of primary particle (for simulations) | |
154 | ec->SetM02(emcRP->GetM2x()) ; //second moment M2x | |
155 | ec->SetM20(emcRP->GetM2z()) ; //second moment M2z | |
156 | ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima | |
157 | ec->SetNumberOfDigits(digitMult); //digit multiplicity | |
158 | ec->SetDigitAmplitude(amplList); //energies in 1/500 of GeV | |
159 | ec->SetDigitTime(timeList); //times in 1/100 on ns | |
160 | ec->SetDigitIndex(digiList); //abs id of the cell | |
161 | ec->SetEmcCpvDistance(-1); //not yet implemented | |
162 | ec->SetClusterChi2(-1); //not yet implemented | |
163 | ec->SetM11(-1) ; //not yet implemented | |
164 | ||
dfe0be07 | 165 | // add the track to the esd object |
85c60a8e | 166 | esd->AddCaloCluster(ec); |
167 | delete ec; | |
7acf6008 | 168 | } |
d7d3b67b | 169 | } |
23904d16 | 170 | |
171 | AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
172 | { | |
173 | // creates the PHOS tracker | |
174 | if (!runLoader) return NULL; | |
175 | return new AliPHOSTracker(runLoader); | |
176 | } | |
177 |