Default calibration parameters generatedd using macros/CalibrationDB/AliEMCALSetCDB...
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALReconstructor.cxx
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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 ---
f6019cda 29#include "AliEMCALReconstructor.h"
5dee926e 30
31#include "AliESD.h"
32#include "AliRunLoader.h"
33#include "AliEMCALLoader.h"
f6019cda 34#include "AliEMCALClusterizerv1.h"
5dee926e 35#include "AliEMCALRecPoint.h"
a68156e6 36#include "AliRawReaderFile.h"
f6019cda 37
38ClassImp(AliEMCALReconstructor)
39
40//____________________________________________________________________________
41 AliEMCALReconstructor::AliEMCALReconstructor() : fDebug(kFALSE)
42{
43 // ctor
44
45}
46
47
48//____________________________________________________________________________
49AliEMCALReconstructor::~AliEMCALReconstructor()
50{
51 // dtor
52}
53
54//____________________________________________________________________________
55void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const
56{
57 // method called by AliReconstruction;
58 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
59 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
60 // the global tracking.
61
62 TString headerFile(runLoader->GetFileName()) ;
b4975670 63 TString branchName(runLoader->GetEventFolder()->GetName() ) ;
f6019cda 64
65 AliEMCALClusterizerv1 clu(headerFile, branchName);
66 clu.SetEventRange(0, -1) ; // do all the events
67 if ( Debug() )
68 clu.ExecuteTask("deb all") ;
69 else
85c60a8e 70 clu.ExecuteTask("pseudo") ;
71
f6019cda 72}
73
a68156e6 74//____________________________________________________________________________
5dee926e 75void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const
a68156e6 76{
77 // method called by AliReconstruction;
78 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
79 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
80 // the global tracking.
81 // Here we reconstruct from Raw Data
82
83 rawreader->Reset() ;
84 TString headerFile(runLoader->GetFileName()) ;
85 TString branchName(runLoader->GetEventFolder()->GetName()) ;
85c60a8e 86
a68156e6 87 AliEMCALClusterizerv1 clu(headerFile, branchName);
88 clu.SetEventRange(0, -1) ; // do all the events
89 if ( Debug() )
85c60a8e 90 clu.ExecuteTask("deb pseudo all") ;
a68156e6 91 else
85c60a8e 92 clu.ExecuteTask("pseudo") ;
a68156e6 93
94}
95
f6019cda 96//____________________________________________________________________________
97void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
98{
99 // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
f6019cda 100
b4975670 101 Int_t eventNumber = runLoader->GetEventNumber() ;
102
1963b290 103 TString headerFile(runLoader->GetFileName()) ;
104 TString branchName(runLoader->GetEventFolder()->GetName()) ;
105
85c60a8e 106 // Creates AliESDCaloCluster from AliEMCALRecPoints
5dee926e 107 AliRunLoader *rl = AliRunLoader::GetRunLoader();
108 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
109 rl->LoadRecPoints();
110 rl->GetEvent(eventNumber);
111 TObjArray *clusters = emcalLoader->RecPoints();
112 Int_t nClusters = clusters->GetEntries();
85c60a8e 113 esd->SetNumberOfEMCALClusters(nClusters) ;
114 esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()) ;
5dee926e 115 for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
116 const AliEMCALRecPoint * clust = emcalLoader->RecPoint(iClust);
85c60a8e 117
118 if (Debug()) clust->Print();
119
120 AliESDCaloCluster * ec = new AliESDCaloCluster() ;
121 // fills the ESDCaloCluster
122 Float_t xyz[3];
5dee926e 123 TVector3 gpos;
124 clust->GetGlobalPosition(gpos);
f6019cda 125 for (Int_t ixyz=0; ixyz<3; ixyz++)
5dee926e 126 xyz[ixyz] = gpos[ixyz];
85c60a8e 127
128 Int_t digitMult = clust->GetMultiplicity();
129 UShort_t *amplList = new UShort_t[digitMult];
130 UShort_t *timeList = new UShort_t[digitMult];
131 UShort_t *digiList = new UShort_t[digitMult];
132 Float_t *amplFloat = clust->GetEnergiesList();
133 Float_t *timeFloat = clust->GetTimeList();
134 Int_t *digitInts = clust->GetAbsId();
135 // Convert Float_t* and Int_t* to UShort_t* to save memory
136 for (Int_t iDigit=0; iDigit<digitMult; iDigit++) {
137 amplList[iDigit] = (UShort_t)(amplFloat[iDigit]*500);
138 timeList[iDigit] = (UShort_t)(timeFloat[iDigit]*1e9*100);
139 digiList[iDigit] = (UShort_t)(digitInts[iDigit]);
140 }
141
142 ec->SetClusterType(clust->GetClusterType());
143 ec->SetGlobalPosition(xyz);
144 ec->SetClusterEnergy(clust->GetEnergy());
145 ec->SetClusterDisp(clust->GetDispersion());
146 ec->SetClusterChi2(-1); //not yet implemented
147 ec->SetNumberOfDigits(clust->GetMultiplicity());
148 ec->SetDigitAmplitude(amplList); //energies
149 ec->SetDigitTime(timeList); //times
150 ec->SetDigitIndex(digiList); //indices
151
152 // add the cluster to the esd object
153 esd->AddCaloCluster(ec);
154 delete ec;
f6019cda 155 }
156}