clean up the EMCAL name scheme : super module -> module -> tower (or cell)
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALReconstructor.cxx
CommitLineData
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"
1d59832c 36#include "AliRawReader.h"
37
f6019cda 38
39ClassImp(AliEMCALReconstructor)
40
41//____________________________________________________________________________
18a21c7c 42AliEMCALReconstructor::AliEMCALReconstructor()
43 : fDebug(kFALSE)
f6019cda 44{
45 // ctor
f6019cda 46}
47
0a4cb131 48//____________________________________________________________________________
18a21c7c 49AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec)
50 : AliReconstructor(rec),
51 fDebug(rec.fDebug)
0a4cb131 52{
53 //copy ctor
0a4cb131 54}
f6019cda 55
56//____________________________________________________________________________
57AliEMCALReconstructor::~AliEMCALReconstructor()
58{
59 // dtor
60}
61
62//____________________________________________________________________________
63void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const
64{
65 // method called by AliReconstruction;
66 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
67 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
68 // the global tracking.
69
70 TString headerFile(runLoader->GetFileName()) ;
b4975670 71 TString branchName(runLoader->GetEventFolder()->GetName() ) ;
f6019cda 72
73 AliEMCALClusterizerv1 clu(headerFile, branchName);
74 clu.SetEventRange(0, -1) ; // do all the events
75 if ( Debug() )
76 clu.ExecuteTask("deb all") ;
77 else
85c60a8e 78 clu.ExecuteTask("pseudo") ;
79
f6019cda 80}
81
82//____________________________________________________________________________
5dee926e 83void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const
a68156e6 84{
85 // method called by AliReconstruction;
86 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
87 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
88 // the global tracking.
89 // Here we reconstruct from Raw Data
90
91 rawreader->Reset() ;
92 TString headerFile(runLoader->GetFileName()) ;
93 TString branchName(runLoader->GetEventFolder()->GetName()) ;
85c60a8e 94
a68156e6 95 AliEMCALClusterizerv1 clu(headerFile, branchName);
96 clu.SetEventRange(0, -1) ; // do all the events
97 if ( Debug() )
85c60a8e 98 clu.ExecuteTask("deb pseudo all") ;
a68156e6 99 else
85c60a8e 100 clu.ExecuteTask("pseudo") ;
a68156e6 101
102}
103
104//____________________________________________________________________________
f6019cda 105void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
106{
107 // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
92da3372 108
b4975670 109 Int_t eventNumber = runLoader->GetEventNumber() ;
110
1963b290 111 TString headerFile(runLoader->GetFileName()) ;
112 TString branchName(runLoader->GetEventFolder()->GetName()) ;
85c60a8e 113 // Creates AliESDCaloCluster from AliEMCALRecPoints
5dee926e 114 AliRunLoader *rl = AliRunLoader::GetRunLoader();
115 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
116 rl->LoadRecPoints();
92da3372 117 rl->LoadKinematics(); // To get the primary label
118 rl->LoadDigits(); // To get the primary label
119 rl->LoadHits(); // To get the primary label
5dee926e 120 rl->GetEvent(eventNumber);
121 TObjArray *clusters = emcalLoader->RecPoints();
122 Int_t nClusters = clusters->GetEntries();
85c60a8e 123 esd->SetNumberOfEMCALClusters(nClusters) ;
124 esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()) ;
92da3372 125
5dee926e 126 for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
127 const AliEMCALRecPoint * clust = emcalLoader->RecPoint(iClust);
85c60a8e 128
129 if (Debug()) clust->Print();
85c60a8e 130 AliESDCaloCluster * ec = new AliESDCaloCluster() ;
131 // fills the ESDCaloCluster
132 Float_t xyz[3];
5dee926e 133 TVector3 gpos;
134 clust->GetGlobalPosition(gpos);
f6019cda 135 for (Int_t ixyz=0; ixyz<3; ixyz++)
5dee926e 136 xyz[ixyz] = gpos[ixyz];
92da3372 137
85c60a8e 138 Int_t digitMult = clust->GetMultiplicity();
139 UShort_t *amplList = new UShort_t[digitMult];
140 UShort_t *timeList = new UShort_t[digitMult];
141 UShort_t *digiList = new UShort_t[digitMult];
142 Float_t *amplFloat = clust->GetEnergiesList();
143 Float_t *timeFloat = clust->GetTimeList();
144 Int_t *digitInts = clust->GetAbsId();
8a11aef1 145 Float_t elipAxis[2];
92da3372 146 clust->GetElipsAxis(elipAxis);
85c60a8e 147
92da3372 148 // Convert Float_t* and Int_t* to UShort_t* to save memory
149 Int_t newdigitMult = digitMult ;
150 for (Int_t iDigit=0; iDigit<digitMult; iDigit++) {
151 if(timeFloat[iDigit] < 65536/1e9*100){
152 amplList[iDigit] = (UShort_t)(amplFloat[iDigit]*500);
153 timeList[iDigit] = (UShort_t)(timeFloat[iDigit]*1e9*100); //Time in units of 100 ns = 0.1 ps
154 digiList[iDigit] = (UShort_t)(digitInts[iDigit]);
155 }
156 else
157 newdigitMult = newdigitMult - 1 ;
158 }
159
85c60a8e 160 ec->SetClusterType(clust->GetClusterType());
161 ec->SetGlobalPosition(xyz);
162 ec->SetClusterEnergy(clust->GetEnergy());
85c60a8e 163 ec->SetDigitAmplitude(amplList); //energies
164 ec->SetDigitTime(timeList); //times
165 ec->SetDigitIndex(digiList); //indices
92da3372 166 ec->SetNumberOfDigits(newdigitMult);
1d59832c 167 if(clust->GetClusterType()== AliESDCaloCluster::kClusterv1){
92da3372 168 ec->SetClusterDisp(clust->GetDispersion());
169 ec->SetClusterChi2(-1); //not yet implemented
170 ec->SetM02(elipAxis[0]*elipAxis[0]) ;
171 ec->SetM20(elipAxis[1]*elipAxis[1]) ;
172 ec->SetM11(-1) ; //not yet implemented
173 ec->SetPrimaryIndex(clust->GetPrimaryIndex());
174 }
85c60a8e 175 // add the cluster to the esd object
176 esd->AddCaloCluster(ec);
177 delete ec;
f6019cda 178 }
179}