kSPECIESN from AliESD: number of particle species identified by PHOS
[u/mrichter/AliRoot.git] / PHOS / AliPHOSReconstructor.cxx
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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
d15a28e7 36
f444a19f 37ClassImp(AliPHOSReconstructor)
d15a28e7 38
d15a28e7 39//____________________________________________________________________________
dfe0be07 40 AliPHOSReconstructor::AliPHOSReconstructor() : fDebug(kFALSE)
d15a28e7 41{
b2a60966 42 // ctor
0379a13e 43
6ad0bfa0 44}
45
0379a13e 46//____________________________________________________________________________
47 AliPHOSReconstructor::~AliPHOSReconstructor()
48{
49 // dtor
50
51}
7acf6008 52
7acf6008 53//____________________________________________________________________________
dfe0be07 54void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
35293055 55{
dfe0be07 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()) ;
62 TString branchName("Default") ;
35293055 63
dfe0be07 64 AliPHOSClusterizerv1 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("") ;
0379a13e 70
71 AliPHOSGetter::Instance()->PhosLoader()->CleanReconstructioner();
35293055 72}
7acf6008 73
7acf6008 74//____________________________________________________________________________
dfe0be07 75void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
7acf6008 76{
dfe0be07 77 // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
78 //Creates the tracksegments and Recparticles
79
80 TString headerFile(runLoader->GetFileName()) ;
81 TString branchName("Default") ;
82
0379a13e 83 AliPHOSTrackSegmentMakerv1 tsm(headerFile, branchName);
84 AliPHOSPIDv1 pid(headerFile, branchName);
dfe0be07 85
0379a13e 86 // AliPHOSGetter *gime = AliPHOSGetter::Instance() ;
87 Int_t eventNumber = runLoader->GetEventNumber() ;
dfe0be07 88 // do current event; the loop over events is done by AliReconstruction::Run()
0379a13e 89 Info("FillESD 1", "%d", eventNumber) ;
90 tsm.SetEventRange(eventNumber, eventNumber) ;
91 pid.SetEventRange(eventNumber, eventNumber) ;
dfe0be07 92 if ( Debug() ) {
0379a13e 93 tsm.ExecuteTask("deb all") ;
94 pid.ExecuteTask("deb all") ;
7acf6008 95 }
dfe0be07 96 else {
0379a13e 97 tsm.ExecuteTask("") ;
98 pid.ExecuteTask("") ;
7acf6008 99 }
dfe0be07 100
101 // Creates AliESDtrack from AliPHOSRecParticles
0379a13e 102 AliPHOSGetter::Instance()->Event(eventNumber, "P") ;
103 TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles();
dfe0be07 104 Int_t nOfRecParticles = recParticles->GetEntries();
105 for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
106 AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
107 if (Debug())
108 rp->Print();
109 AliESDtrack * et = new AliESDtrack() ;
110 // fills the ESDtrack
111 Double_t xyz[3];
112 for (Int_t ixyz=0; ixyz<3; ixyz++) xyz[ixyz] = rp->GetPos()[ixyz];
113 et->SetPHOSposition(xyz) ;
114 et->SetPHOSsignal (rp->Energy()) ;
115 et->SetPHOSpid (rp->GetPID()) ;
116 // add the track to the esd object
117 esd->AddTrack(et);
118 delete et;
7acf6008 119 }
d7d3b67b 120}