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f6019cda | 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 "AliESD.h" | |
30 | #include "AliEMCALReconstructor.h" | |
31 | #include "AliEMCALClusterizerv1.h" | |
32 | #include "AliEMCALPIDv1.h" | |
33 | #include "AliEMCALGetter.h" | |
23904d16 | 34 | #include "AliEMCALTracker.h" |
a68156e6 | 35 | #include "AliRawReaderFile.h" |
f6019cda | 36 | |
37 | ClassImp(AliEMCALReconstructor) | |
38 | ||
39 | //____________________________________________________________________________ | |
40 | AliEMCALReconstructor::AliEMCALReconstructor() : fDebug(kFALSE) | |
41 | { | |
42 | // ctor | |
43 | ||
44 | } | |
45 | ||
46 | ||
47 | //____________________________________________________________________________ | |
48 | AliEMCALReconstructor::~AliEMCALReconstructor() | |
49 | { | |
50 | // dtor | |
51 | } | |
52 | ||
53 | //____________________________________________________________________________ | |
54 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
55 | { | |
56 | // method called by AliReconstruction; | |
57 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
58 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
59 | // the global tracking. | |
60 | ||
61 | TString headerFile(runLoader->GetFileName()) ; | |
b4975670 | 62 | TString branchName(runLoader->GetEventFolder()->GetName() ) ; |
f6019cda | 63 | |
64 | AliEMCALClusterizerv1 clu(headerFile, branchName); | |
65 | clu.SetEventRange(0, -1) ; // do all the events | |
66 | if ( Debug() ) | |
67 | clu.ExecuteTask("deb all") ; | |
68 | else | |
69 | clu.ExecuteTask("") ; | |
70 | ||
f6019cda | 71 | } |
72 | ||
a68156e6 | 73 | //____________________________________________________________________________ |
74 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReaderFile* rawreader) const | |
75 | { | |
76 | // method called by AliReconstruction; | |
77 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
78 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
79 | // the global tracking. | |
80 | // Here we reconstruct from Raw Data | |
81 | ||
82 | rawreader->Reset() ; | |
83 | TString headerFile(runLoader->GetFileName()) ; | |
84 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
85 | ||
86 | AliEMCALClusterizerv1 clu(headerFile, branchName); | |
87 | clu.SetEventRange(0, -1) ; // do all the events | |
88 | if ( Debug() ) | |
89 | clu.ExecuteTask("deb all") ; | |
90 | else | |
91 | clu.ExecuteTask("") ; | |
92 | ||
93 | } | |
94 | ||
f6019cda | 95 | //____________________________________________________________________________ |
96 | void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const | |
97 | { | |
98 | // Called by AliReconstruct after Reconstruct() and global tracking and vertxing | |
99 | //Creates the tracksegments and Recparticles | |
100 | ||
b4975670 | 101 | Int_t eventNumber = runLoader->GetEventNumber() ; |
102 | ||
f6019cda | 103 | // Creates AliESDtrack from AliEMCALRecParticles |
104 | AliEMCALGetter::Instance()->Event(eventNumber, "P") ; | |
105 | TClonesArray *recParticles = AliEMCALGetter::Instance()->RecParticles(); | |
106 | Int_t nOfRecParticles = recParticles->GetEntries(); | |
b4975670 | 107 | esd->SetNumberOfEMCALParticles(nOfRecParticles) ; |
108 | esd->SetFirstEMCALParticle(esd->GetNumberOfTracks()) ; | |
f6019cda | 109 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
110 | AliEMCALRecParticle * rp = dynamic_cast<AliEMCALRecParticle*>(recParticles->At(recpart)); | |
111 | if (Debug()) | |
112 | rp->Print(); | |
113 | AliESDtrack * et = new AliESDtrack() ; | |
114 | // fills the ESDtrack | |
115 | Double_t xyz[3]; | |
116 | for (Int_t ixyz=0; ixyz<3; ixyz++) | |
117 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
b4975670 | 118 | et->SetEMCALposition(xyz) ; |
119 | et->SetEMCALsignal (rp->Energy()) ; | |
120 | et->SetEMCALpid (rp->GetPID()) ; | |
f6019cda | 121 | // add the track to the esd object |
122 | esd->AddTrack(et); | |
123 | delete et; | |
124 | } | |
125 | } | |
23904d16 | 126 | |
127 | AliTracker* AliEMCALReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
128 | { | |
129 | // creates the EMCAL tracker | |
130 | if (!runLoader) return NULL; | |
131 | return new AliEMCALTracker(runLoader); | |
132 | } |