2 /**************************************************************************
3 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * Author: The ALICE Off-line Project. *
6 * Contributors are mentioned in the code where appropriate. *
8 * Permission to use, copy, modify and distribute this software and its *
9 * documentation strictly for non-commercial purposes is hereby granted *
10 * without fee, provided that the above copyright notice appears in all *
11 * copies and that both the copyright notice and this permission notice *
12 * appear in the supporting documentation. The authors make no claims *
13 * about the suitability of this software for any purpose. It is *
14 * provided "as is" without express or implied warranty. *
15 **************************************************************************/
18 //_________________________________________________________________________
19 // Class for reading data (AODs) in order to do prompt gamma
20 // or other particle identification and correlations.
21 // Mixing analysis can be done, input AOD with events
22 // is opened in the AliCaloTrackReader::Init()
25 //*-- Author: Gustavo Conesa (LNF-INFN)
26 //////////////////////////////////////////////////////////////////////////////
29 // --- ROOT system ---
30 //#include "Riostream.h"
32 //---- ANALYSIS system ----
33 #include "AliCaloTrackAODReader.h"
34 #include "AliAODEvent.h"
35 #include "AliAODCaloCluster.h"
36 #include "AliAODTrack.h"
37 #include "AliESDtrack.h"
38 #include "AliFidutialCut.h"
39 #include "AliAODInputHandler.h"
40 #include "AliAnalysisManager.h"
42 ClassImp(AliCaloTrackAODReader)
44 //____________________________________________________________________________
45 AliCaloTrackAODReader::AliCaloTrackAODReader() :
46 AliCaloTrackReader(), fWriteOutputAOD(kFALSE)
50 //Initialize parameters
53 fReadAODMCParticles = kFALSE;
54 //We want tracks fitted in the detectors:
55 fTrackStatus=AliESDtrack::kTPCrefit;
56 fTrackStatus|=AliESDtrack::kITSrefit;
60 //____________________________________________________________________________
61 AliCaloTrackAODReader::AliCaloTrackAODReader(const AliCaloTrackAODReader & aodr) :
62 AliCaloTrackReader(aodr),fWriteOutputAOD(aodr.fWriteOutputAOD)
67 //_________________________________________________________________________
68 //AliCaloTrackAODReader & AliCaloTrackAODReader::operator = (const AliCaloTrackAODReader & source)
70 // // assignment operator
72 // if(&source == this) return *this;
78 //____________________________________________________________________________
79 void AliCaloTrackAODReader::FillInputCTS() {
80 //Return array with Central Tracking System (CTS) tracks
82 Int_t nTracks = fInputEvent->GetNumberOfTracks() ;
85 for (Int_t itrack = 0; itrack < nTracks; itrack++) {////////////// track loop
86 AliAODTrack * track = ((AliAODEvent*)fInputEvent)->GetTrack(itrack) ; // retrieve track from esd
88 //Select tracks under certain conditions, TPCrefit, ITSrefit ... check the set bits
89 if (fTrackStatus && !((track->GetStatus() & fTrackStatus) == fTrackStatus)) continue ;
92 TLorentzVector momentum(p[0],p[1],p[2],0);
94 if(fCTSPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"CTS")){
96 if(fDebug > 2 && momentum.Pt() > 0.1) printf("AliCaloTrackAODReader::FillInputCTS() - Selected tracks E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
97 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
100 AliAODTrack* newtrack = new((*(fOutputEvent->GetTracks()))[naod++]) AliAODTrack(*track);
101 fAODCTS->Add(newtrack); //Use AOD stored in output for references.
103 else fAODCTS->Add(track);
104 }//Pt and Fidutial cut passed.
107 fAODCTSNormalInputEntries = fAODCTS->GetEntriesFast();
108 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputCTS() - aod entries %d\n", fAODCTSNormalInputEntries);
110 //If second input event available, add the clusters.
111 if(fSecondInputAODTree && fSecondInputAODEvent){
112 nTracks = fSecondInputAODEvent->GetNumberOfTracks() ;
113 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputCTS() - Add second input tracks, entries %d\n", nTracks) ;
114 for (Int_t itrack = 0; itrack < nTracks; itrack++) {////////////// track loop
115 AliAODTrack * track = ((AliAODEvent*)fSecondInputAODEvent)->GetTrack(itrack) ; // retrieve track from esd
117 //Select tracks under certain conditions, TPCrefit, ITSrefit ... check the set bits
118 if (fTrackStatus && !((track->GetStatus() & fTrackStatus) == fTrackStatus)) continue ;
120 track->GetPxPyPz(p) ;
121 TLorentzVector momentum(p[0],p[1],p[2],0);
123 if(fCTSPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"CTS")){
125 if(fDebug > 2 && momentum.Pt() > 0.1) printf("AliCaloTrackAODReader::FillInputCTS() - Selected tracks E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
126 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
129 AliAODTrack* newtrack = new((*(fOutputEvent->GetTracks()))[naod++]) AliAODTrack(*track);
130 fAODCTS->Add(newtrack); //Use AOD stored in output for references.
132 else fAODCTS->Add(track);
134 }//Pt and Fidutial cut passed.
137 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputCTS() - aod normal entries %d, after second input %d\n", fAODCTSNormalInputEntries, fAODCTS->GetEntriesFast());
138 } //second input loop
142 //____________________________________________________________________________
143 void AliCaloTrackAODReader::FillInputEMCAL() {
144 //Return array with EMCAL clusters in aod format
146 //Get vertex for momentum calculation
147 Double_t v[3] ; //vertex ;
150 Int_t naod = (fOutputEvent->GetCaloClusters())->GetEntriesFast();
151 //Loop to select clusters in fidutial cut and fill container with aodClusters
152 Int_t nclusters = ((AliAODEvent*)fInputEvent)->GetNCaloClusters();
153 for (Int_t iclus = 0; iclus < nclusters; iclus++) {
154 AliAODCaloCluster * clus = 0;
155 if ( (clus = ((AliAODEvent*)fInputEvent)->GetCaloCluster(iclus)) ) {
156 if (clus->IsEMCALCluster()){
157 TLorentzVector momentum ;
158 clus->GetMomentum(momentum, v);
160 if(fEMCALPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"EMCAL")){
162 if(fDebug > 2 && momentum.E() > 0.1) printf("AliCaloTrackAODReader::FillInputEMCAL() - Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
163 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
166 AliAODCaloCluster * newclus = new((*(fOutputEvent->GetCaloClusters()))[naod++])AliAODCaloCluster(*clus);
167 fAODEMCAL->Add(newclus);
169 else fAODEMCAL->Add(clus);
170 }//Pt and Fidutial cut passed.
175 fAODEMCALNormalInputEntries = fAODEMCAL->GetEntriesFast();
176 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputEMCAL() - aod entries %d\n", fAODEMCALNormalInputEntries);
178 //If second input event available, add the clusters.
179 if(fSecondInputAODTree && fSecondInputAODEvent){
180 GetSecondInputAODVertex(v);
181 nclusters = ((AliAODEvent*)fSecondInputAODEvent)->GetNCaloClusters();
182 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputEMCAL() - Add second input clusters, entries %d\n", nclusters) ;
183 for (Int_t iclus = 0; iclus < nclusters; iclus++) {
184 AliAODCaloCluster * clus = 0;
185 if ( (clus = ((AliAODEvent*)fSecondInputAODEvent)->GetCaloCluster(iclus)) ) {
186 if (clus->IsEMCALCluster()){
187 TLorentzVector momentum ;
188 clus->GetMomentum(momentum, v);
190 if(fEMCALPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"EMCAL")){
192 if(fDebug > 2 && momentum.E() > 0.1) printf("AliCaloTrackAODReader::FillInputEMCAL() - Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
193 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
195 AliAODCaloCluster * newclus = new((*(fOutputEvent->GetCaloClusters()))[naod++])AliAODCaloCluster(*clus);
196 fAODEMCAL->Add(newclus);
198 else fAODEMCAL->Add(clus);
199 }//Pt and Fidutial cut passed.
204 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputEMCAL() - aod normal entries %d, after second input %d\n", fAODEMCALNormalInputEntries, fAODEMCAL->GetEntriesFast());
206 } //second input loop
209 //____________________________________________________________________________
210 void AliCaloTrackAODReader::FillInputPHOS() {
211 //Return array with PHOS clusters in aod format
213 //Get vertex for momentum calculation
214 Double_t v[3] ; //vertex ;
217 Int_t naod = (fOutputEvent->GetCaloClusters())->GetEntriesFast();
218 //Loop to select clusters in fidutial cut and fill container with aodClusters
219 Int_t nclusters = ((AliAODEvent*)fInputEvent)->GetNCaloClusters();
220 for (Int_t iclus = 0; iclus < nclusters; iclus++) {
221 AliAODCaloCluster * clus = 0;
222 if ( (clus = ((AliAODEvent*)fInputEvent)->GetCaloCluster(iclus)) ) {
223 if (clus->IsPHOSCluster()){
224 TLorentzVector momentum ;
225 clus->GetMomentum(momentum, v);
227 if(fPHOSPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"PHOS")){
229 if(fDebug > 2 && momentum.E() > 0.1) printf("AliCaloTrackAODReader::FillInputPHOS() - Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
230 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
233 AliAODCaloCluster * newclus = new((*(fOutputEvent->GetCaloClusters()))[naod++])AliAODCaloCluster(*clus);
234 fAODPHOS->Add(newclus);
236 else fAODPHOS->Add(clus);
237 }//Pt and Fidutial cut passed.
242 fAODPHOSNormalInputEntries = fAODPHOS->GetEntriesFast() ;
243 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputPHOS() - aod entries %d\n", fAODPHOSNormalInputEntries);
245 //If second input event available, add the clusters.
246 if(fSecondInputAODTree && fSecondInputAODEvent){
247 GetSecondInputAODVertex(v);
248 nclusters = ((AliAODEvent*)fSecondInputAODEvent)->GetNCaloClusters();
249 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputPHOS() - Add second input clusters, entries %d\n", nclusters);
250 for (Int_t iclus = 0; iclus < nclusters; iclus++) {
251 AliAODCaloCluster * clus = 0;
252 if ( (clus = ((AliAODEvent*)fSecondInputAODEvent)->GetCaloCluster(iclus)) ) {
253 if (clus->IsPHOSCluster()){
254 TLorentzVector momentum ;
255 clus->GetMomentum(momentum, v);
257 if(fPHOSPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"PHOS")){
259 if(fDebug > 2 && momentum.E() > 0.1) printf("AliCaloTrackAODReader::FillInputPHOS() - Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n",
260 momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta());
262 AliAODCaloCluster * newclus = new((*(fOutputEvent->GetCaloClusters()))[naod++])AliAODCaloCluster(*clus);
263 fAODPHOS->Add(newclus);
265 else fAODPHOS->Add(clus);
266 }//Pt and Fidutial cut passed.
270 if(fDebug > 1) printf("AliCaloTrackAODReader::FillInputPHOS() - aod normal entries %d, after second input %d\n", fAODPHOSNormalInputEntries, fAODPHOS->GetEntriesFast());
271 } //second input loop
275 //____________________________________________________________________________
276 void AliCaloTrackAODReader::FillInputEMCALCells() {
277 //Return array with EMCAL cells in aod format
279 fEMCALCells = (TNamed*) ((AliAODEvent*)fInputEvent)->GetEMCALCells();
283 //____________________________________________________________________________
284 void AliCaloTrackAODReader::FillInputPHOSCells() {
285 //Return array with PHOS cells in aod format
287 fPHOSCells = (TNamed*) ((AliAODEvent*)fInputEvent)->GetPHOSCells();
291 //____________________________________________________________________________
292 void AliCaloTrackAODReader::GetVertex(Double_t v[3]) const {
293 //Return vertex position
295 ((AliAODEvent*)fInputEvent)->GetPrimaryVertex()->GetXYZ(v);
299 //____________________________________________________________________________
300 void AliCaloTrackAODReader::GetSecondInputAODVertex(Double_t v[3]) const {
301 //Return vertex position of second AOD input
303 fSecondInputAODEvent->GetPrimaryVertex()->GetXYZ(v);
307 //____________________________________________________________________________
308 Double_t AliCaloTrackAODReader::GetBField() const {
309 //Return magnetic field
311 Double_t bfield = ((AliAODEvent*)fInputEvent)->GetMagneticField();
317 //____________________________________________________________________________
318 void AliCaloTrackAODReader::SetInputOutputMCEvent(AliVEvent* input, AliAODEvent* aod, AliMCEvent* mc) {
319 // Connect the data pointers
320 // If input is AOD, do analysis with input, if not, do analysis with the output aod.
322 if(!strcmp(input->GetName(),"AliESDEvent")) {
326 else if(!strcmp(input->GetName(),"AliAODEvent")){
328 AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
329 //printf("AODInputHandler %p, MergeEvents %d \n",aodIH, aodIH->GetMergeEvents());
330 if (aodIH && aodIH->GetMergeEvents()) {
331 //Merged events, use output AOD.
336 SetInputEvent(input);
341 printf("AliCaloTrackAODReader::SetInputOutputMCEvent() - STOP : Wrong data format: %s\n",input->GetName());