1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
19 // Class AliHFEtaggedTrackAnalysis
20 // Analyses tracks with an apriori PID information (i.e. using the daugther
21 // tracks from well-identified decays of neutral charged particles). Tracks
22 // are processed in the Process function, where given tracks are filtered
23 // via the track cuts and used for PID later. The plugin fills Correction
24 // Framework containers and additional PID QA containers
27 // Markus Fasel <M.Fasel@gsi.de>
29 #include "AliCFCutBase.h"
30 #include "AliCFContainer.h"
31 #include "AliCFManager.h"
32 #include "AliESDtrack.h"
35 #include "AliExternalTrackParam.h"
37 #include "AliHFEcollection.h"
38 #include "AliHFEcontainer.h"
39 #include "AliHFEcuts.h"
40 #include "AliHFEpid.h"
41 #include "AliHFEpidTPC.h"
42 #include "AliHFEpidQAmanager.h"
43 #include "AliHFEtaggedTrackAnalysis.h"
44 #include "AliHFEvarManager.h"
46 ClassImp(AliHFEtaggedTrackAnalysis)
48 //____________________________________________________________
49 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis():
60 , fVariablesTRD(kFALSE)
63 // Default constructor
65 fVarManager = new AliHFEvarManager("taggedTrackVarManager");
66 fVarManager->AddVariable("pt");
67 fVarManager->AddVariable("eta");
68 fVarManager->AddVariable("phi");
69 fVarManager->AddVariable("charge");
70 fVarManager->AddVariable("species");
71 fPIDqa = new AliHFEpidQAmanager;
72 fCFM = new AliCFManager;
73 SetBit(kIsOwner, kTRUE);
76 //____________________________________________________________
77 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis(const AliHFEtaggedTrackAnalysis &ref):
79 , fVarManager(ref.fVarManager)
85 , fQAhistos(ref.fQAhistos)
87 , fMagneticField(ref.fMagneticField)
88 , fVariablesTRD(ref.fVariablesTRD)
96 SetBit(kIsOwner, kFALSE);
99 //____________________________________________________________
100 AliHFEtaggedTrackAnalysis &AliHFEtaggedTrackAnalysis::operator=(const AliHFEtaggedTrackAnalysis &ref){
102 // Assignment operator
105 fVarManager = ref.fVarManager;
110 fQAhistos = ref.fQAhistos;
112 fMagneticField = ref.fMagneticField;
113 fVariablesTRD = ref.fVariablesTRD;
115 if(ref.fContainer) InitContainer();
117 SetBit(kIsOwner, kFALSE);
118 SetBit(kIsOwnerCuts, kFALSE);
123 //____________________________________________________________
124 AliHFEtaggedTrackAnalysis::~AliHFEtaggedTrackAnalysis(){
128 if(TestBit(kIsOwner)){
129 if(fVarManager) delete fVarManager;
130 if(fPIDqa) delete fPIDqa;
132 if(TestBit(kIsOwnerCuts)) delete fCuts;
133 if(fContainer) delete fContainer;
136 //____________________________________________________________
137 void AliHFEtaggedTrackAnalysis::InitContainer(){
139 // Initialize output container
141 if(fContainer) return;
144 AliError("No PID set - defining container without PID steps");
146 nStepPID = fPID->GetNumberOfPIDdetectors();
148 fContainer = new AliHFEcontainer("containerV0");
149 fVarManager->DefineVariables(fContainer);
150 fContainer->CreateContainer("taggedTrackContainerReco", "Container for Tagged Tracks", AliHFEcuts::kNcutStepsRecTrack + nStepPID);
152 // Set the step titles
153 for(Int_t istep = 0; istep < AliHFEcuts::kNcutStepsRecTrack; istep++)
154 fContainer->SetStepTitle("taggedTrackContainerReco", AliHFEcuts::RecoCutName(istep), istep);
155 for(Int_t ipid = 0; ipid < nStepPID; ipid++){
156 fContainer->SetStepTitle("taggedTrackContainerReco", fPID->SortedDetectorName(ipid), ipid + AliHFEcuts::kNcutStepsRecTrack);
158 fCFM->SetParticleContainer(fContainer->GetCFContainer("taggedTrackContainerReco"));
160 // temporarily special QA
161 fQAhistos = new AliHFEcollection("taggedTrackQA", "Special QA for the TaggedTrackAnalysis");
162 fQAhistos->CreateTH2F("TPCclusters2_1", "TPCclusterInfo for findable clusters for 2 neighbors", 30, 0.1, 10., 162, 0., 161.);
163 fQAhistos->CreateTH2F("TPCclusters2_0", "TPCclusterInfo for the ratio for 2 neighbors", 30, 0.1, 10., 110, 0., 1.1);
164 fQAhistos->CreateTH2F("TPCncls", "TPC number of clusters", 30, 0.1, 10., 162, 0., 161.);
165 fQAhistos->CreateTH2F("TPCclr", "TPC cluster ratio", 30, 0.1, 10., 110, 0., 1.1);
166 fQAhistos->BinLogAxis("TPCclusters2_1", 0); // pt axis in logarithmic binning
167 fQAhistos->BinLogAxis("TPCclusters2_0", 0); // pt axis in logarithmic binning
168 fQAhistos->BinLogAxis("TPCncls", 0); // pt axis in logarithmic binning
169 fQAhistos->BinLogAxis("TPCclr", 0); // pt axis in logarithmic binning
172 //____________________________________________________________
173 void AliHFEtaggedTrackAnalysis::ProcessTrack(AliVParticle *track, Int_t abinitioPID){
175 // Filter tracks tagged by V0 PID class
178 fVarManager->NewTrack(track, NULL, 0., abinitioPID, kTRUE);
184 AliESDtrack *esdtrackc = dynamic_cast<AliESDtrack *>(track);
187 const AliExternalTrackParam *trueparam = NULL;
188 if(esdtrackc->GetOuterParam()) {
189 trueparam = esdtrackc->GetOuterParam();
190 fVarManager->NewTrack((AliVParticle *)trueparam, NULL, 0., abinitioPID, kTRUE);
197 // Try a loose cut to reject pion contamination
199 if(abinitioPID == AliPID::kElectron){
200 AliHFEpidTPC *pidTPC = (AliHFEpidTPC *) fPID->GetDetPID(AliHFEpid::kTPCpid);
202 Double_t numberOfSigmaTPC = pidTPC->NumberOfSigmas(track,AliPID::kElectron,AliHFEpidObject::kESDanalysis);
203 if(numberOfSigmaTPC < -5) return;
207 // temporarily monitoring of the number of TPC clusters
208 AliESDtrack *esdtrack = dynamic_cast<AliESDtrack *>(track);
209 if(esdtrack && abinitioPID == AliPID::kElectron){
210 if((esdtrack->GetITSClusterMap() & (BIT(0) | BIT(1))) && (TMath::Abs(esdtrack->Eta()) < 0.8)){ // Only select quasi-primary tracks
211 fQAhistos->Fill("TPCclusters2_1", track->Pt(), esdtrack->GetTPCClusterInfo(2,1));
212 fQAhistos->Fill("TPCclusters2_0", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? esdtrack->GetTPCClusterInfo(2,1)/esdtrack->GetTPCNclsF() : 0.);
213 fQAhistos->Fill("TPCncls", track->Pt(), esdtrack->GetTPCNcls());
214 fQAhistos->Fill("TPCclr", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? static_cast<Double_t>(esdtrack->GetTPCNcls())/static_cast<Double_t>(esdtrack->GetTPCNclsF()) : 0.);
218 Int_t offset = AliHFEcuts::kStepRecKineITSTPC;
219 fVarManager->FillContainer(fCFM->GetParticleContainer(), 0); // Fill Container without filtering
221 Bool_t survived = kTRUE;
222 for(Int_t icut = AliHFEcuts::kStepRecKineITSTPC; icut <= AliHFEcuts::kStepHFEcutsTRD; icut++){
223 AliDebug(2, Form("Checking cut %d for species %s", icut + AliHFEcuts::kNcutStepsMCTrack, AliPID::ParticleName(abinitioPID)));
225 TObjArray *cutlist = fCFM->GetParticleCutsList(icut + AliHFEcuts::kNcutStepsMCTrack);
227 AliDebug(2, Form("No cuts for step %d set", icut + AliHFEcuts::kNcutStepsMCTrack));
229 AliDebug(2, Form("Cut Collection %s", cutlist->GetName()));
230 TIter cutiter(cutlist);
232 while((cut = dynamic_cast<AliCFCutBase *>(cutiter()))){
233 AliDebug(2, Form("Cut object %s, QA on? %s", cut->GetName(), cut->IsQAOn() ? "yes" : "no"));
237 //if(!fCFM->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
238 if(!fCuts->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
239 AliDebug(2, Form("Track didn' survive cut %d", icut + AliHFEcuts::kNcutStepsMCTrack));
243 AliDebug(2, Form("Cut passed, filling container %d", icut - offset + 1));
244 fVarManager->FillContainer(fCFM->GetParticleContainer(), icut - offset + 1);
248 AliDebug(2, "Use track in the PID");
250 AliHFEpidObject hfetrack;
251 hfetrack.SetAnalysisType(AliHFEpidObject::kESDanalysis);
252 hfetrack.SetRecTrack(track);
253 hfetrack.SetAbInitioPID(abinitioPID);
254 fPID->SetVarManager(fVarManager);
255 fPID->IsSelected(&hfetrack, fContainer, "taggedTrackContainer", fPIDqa);
259 //____________________________________________________________
260 void AliHFEtaggedTrackAnalysis::SetCuts(AliHFEcuts *cuts){
262 // Set HFE cuts to be used to filter the tagged tracks
265 AliWarning("Nob cuts provided - Using standard cuts");
266 fCuts = new AliHFEcuts("cutsTagged", "HFE Cuts for the V0 tagged tracks");
267 fCuts->CreateStandardCuts();
269 SetBit(kIsOwnerCuts);
271 AliDebug(1, "Setting single track cuts");
274 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
275 printf("Setting Number of cut steps %d\n", kNcutSteps);
276 fCFM->SetNStepParticle(kNcutSteps);
277 for(Int_t istep = 0; istep < kNcutSteps; istep++)
278 fCFM->SetParticleCutsList(istep, NULL);
280 fCuts->Initialize(fCFM);
283 //____________________________________________________________
284 void AliHFEtaggedTrackAnalysis::SetPID(AliHFEpid *pid){
286 // Set the PID and initialize the the QA manager
289 fPIDqa->Initialize(fPID);
292 //____________________________________________________________
293 TList *AliHFEtaggedTrackAnalysis::GetPIDQA() const {
297 return fPIDqa->MakeList("PIDqa_taggedTracks");
300 //____________________________________________________________
301 TList *AliHFEtaggedTrackAnalysis::GetCutQA() const {
305 return fCuts->GetQAhistograms();