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