1 /**************************************************************************
2 * This file is property of and copyright by the ALICE HLT Project *
3 * ALICE Experiment at CERN, All rights reserved. *
5 * Primary Author: Svein Lindal <slindal@fys.uio.no> *
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 **************************************************************************/
16 /// @file AliAnaConvCorrBase.cxx
17 /// @author Svein Lindal
18 /// @brief Base class for analysation of conversion particle - track correlations
21 #include "AliAnaConvCorrBase.h"
22 #include "AliAODTrack.h"
24 #include "TClonesArray.h"
28 #include "AliAODConversionParticle.h"
32 // Gamma - jet correlation analysis task
33 // Authors: Svein Lindal
37 ClassImp(AliAnaConvCorrBase)
39 //________________________________________________________________________
40 AliAnaConvCorrBase::AliAnaConvCorrBase(TString name, TString title = "title") : TNamed(name, title),
60 fAxesList.SetOwner(kTRUE);
61 fTrackAxisList.SetOwner(kTRUE);
62 fTrigAxisList.SetOwner(kTRUE);
67 //________________________________________________________________________________
68 AliAnaConvCorrBase::~AliAnaConvCorrBase() {
72 //________________________________________________________________________________
73 void AliAnaConvCorrBase::CreateHistograms() {
74 CreateBaseHistograms();
77 ///________________________________________________________________________________
78 void AliAnaConvCorrBase::SetUpDefaultBins() {
80 Double_t ptbins[19] = {0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 8.0, 10.0, 12.5, 15, 20, 25, 30, 50, 100};
81 fAxisdEta.Set(160, -1.6, 1.6);
82 fAxisdEta.SetNameTitle("dEta", "delta eta");
84 fAxisdPhi.Set(64, -TMath::PiOver2(), 3*TMath::PiOver2());
85 fAxisdPhi.SetNameTitle("dPhi", "delta Phi");
87 fAxistPt.Set(18, ptbins);
88 fAxistPt.SetNameTitle("tPt", "trigger Pt");
90 fAxiscPt.Set(18, ptbins);
91 fAxiscPt.SetNameTitle("cPt", "track Pt");
93 fAxisIso.Set(3, -0.5, 2.5);
94 fAxisIso.SetNameTitle("iso", "isolation");
96 fAxesList.AddAt(&fAxisdEta, 0);
97 fAxesList.AddAt(&fAxisdPhi, 1);
98 fAxesList.AddAt(&fAxistPt, 2);
99 fAxesList.AddAt(&fAxiscPt, 3);
100 fAxesList.AddAt(&fAxisIso, 4);
102 fAxisMEEta.Set(160, -0.8, 0.8);
103 fAxisMEEta.SetNameTitle("eta", "eta");
105 fAxisMEPhi.Set(64, 0, TMath::TwoPi());
106 fAxisMEPhi.SetNameTitle("phi", "phi");
108 fTrackAxisList.AddAt(&fAxisMEEta, 0);
109 fTrackAxisList.AddAt(&fAxisMEPhi, 1);
110 fTrackAxisList.AddAt(&fAxistPt, 2);
111 fTrackAxisList.AddAt(&fAxiscPt, 3);
112 fTrackAxisList.AddAt(&fAxisIso, 4);
114 fTrigAxisList.AddAt(&fAxisMEEta, 0);
115 fTrigAxisList.AddAt(&fAxisMEPhi, 1);
116 fTrigAxisList.AddAt(&fAxistPt, 2);
117 fTrigAxisList.AddAt(&fAxisIso, 3);
119 for(int iIso = 0; iIso < 2; iIso++) {
120 fHNTriggers[iIso] = NULL;
125 //________________________________________________________________________
126 void AliAnaConvCorrBase::CreateBaseHistograms() {
127 //Create histograms add, to outputlis
129 cout << "Creating histograms for "<< GetName() << endl;
131 fHistograms = new TList();
132 fHistograms->SetOwner(kTRUE);
133 fHistograms->SetName(fName);
135 for(int iIso = 0; iIso < 2; iIso++) {
137 fHNTriggers[iIso] = new TH1F(Form("%s_%s_fNTriggers", fName.Data(), (iIso==0)?"nonIso":"isolated"),
138 Form("%s_%s_fNTriggers", fName.Data(), (iIso==0)?"nonIso":"isolated"),
139 fAxistPt.GetNbins(), fAxistPt.GetXbins()->GetArray());
140 fHNTriggers[iIso]->Sumw2();
141 fHistograms->Add(fHNTriggers[iIso]);
145 fCorrSparse = CreateSparse(GetName(), GetTitle(), &fAxesList);
146 fHistograms->Add(fCorrSparse);
148 fTrackSparse = CreateSparse(Form("%s_%s", GetName(), "METrack"), Form("%s %s", GetTitle(), "ME Tracks"), &fTrackAxisList);
149 fHistograms->Add(fTrackSparse);
151 fTrigSparse = CreateSparse(Form("%s_%s", GetName(), "METrig"), Form("%s %s", GetTitle(), "ME Triggers"), &fTrigAxisList);
152 fHistograms->Add(fTrigSparse);
156 ///________________________________________________________________________
157 THnSparseF * AliAnaConvCorrBase::CreateSparse(TString nameString, TString titleString, TList * axesList) {
159 const Int_t dim = axesList->GetSize();
161 cout << nameString << " " << titleString << " " << " dimesion: " << dim << endl;
168 for(Int_t i = 0; i<dim; i++) {
169 TAxis * axis = dynamic_cast<TAxis*>(axesList->At(i));
170 if(axis) axes[i] = axis;
172 cout << "AliAnalysisTaskdPhi::CreateSparse: Error error, all the axes are not present in axis list" << endl;
177 for(Int_t i = 0; i<dim; i++) {
178 cout << axes[i]->GetTitle() << endl;
179 bins[i] = axes[i]->GetNbins();
180 min[i] = axes[i]->GetBinLowEdge(1);
181 max[i] = axes[i]->GetBinUpEdge(axes[i]->GetNbins());
184 THnSparseF * sparse = new THnSparseF(Form("%s", nameString.Data()),
185 Form("%s", titleString.Data()),
186 dim, bins, min, max);
188 for(Int_t i = 0; i<dim; i++) {
189 sparse->GetAxis(i)->SetNameTitle(axes[i]->GetName(), axes[i]->GetTitle() );
190 if(axes[i]->GetXbins()->GetSize() > 0) {
191 sparse->SetBinEdges(i, axes[i]->GetXbins()->GetArray() );
198 ///____________________________________________________________________________
199 // void AliAnaConvCorrBase::FillTriggerCounters(Float_t tPt, Bool_t isolated){
200 // //Fill histogram with trigger counters
202 // fHNTriggers[0]->Fill(tPt);
205 // fHNTriggers[isolated]->Fill(tPt);
210 // ///_____________________________________________________________________________
211 // void AliAnaConvCorrBase::FillHistograms(Float_t tPt, Float_t cPt, Float_t dPhi, Float_t dEta, Bool_t isolated) {
215 // //fHdPhi[0]->Fill(tPt, cPt, dPhi);
217 // //fHdPhi[isolated]->Fill(tPt, cPt, dPhi);
221 //_______________________________________________________________________________
223 void AliAnaConvCorrBase::PrintStatistics() {
224 //Print some statistics between each file
225 for(Int_t i = 1; i <= fHNTriggers[0]->GetNbinsX(); i++) {
226 Int_t nTrig = (Int_t) fHNTriggers[0]->GetBinContent(i+1);
227 cout << "triggers: " << nTrig << endl;
233 //_______________________________________________________________________________
234 void AliAnaConvCorrBase::FillTriggerCounters(const AliAODConversionParticle * particle, Bool_t leading) {
235 fHNTriggers[leading]->Fill(particle->Pt());
239 //________________________________________________________________
240 void AliAnaConvCorrBase::CorrelateWithTracks(AliAODConversionParticle * particle, TObjArray * tracks, Int_t const tIDs[4], Int_t isolated = 0) {
241 //Correlate particle with tracks
243 FillTriggerCounters(particle, isolated);
245 Int_t nDim = fAxesList.GetSize();
246 Double_t dphivalues[nDim];
247 Double_t trackValues[nDim];
248 Double_t trigValues[nDim - 1];
251 trigValues[0] = particle->Eta();
252 trigValues[1] = particle->Phi();
253 trigValues[2] = particle->Pt();
254 trigValues[3] = isolated;
255 fTrigSparse->Fill(trigValues);
257 for(int ij = 0; ij < tracks->GetEntriesFast(); ij++) {
258 AliVTrack * track = static_cast<AliVTrack*>(tracks->UncheckedAt(ij));
259 Int_t tid = track->GetID();
261 if((tid > 0) && (tid == tIDs[0] || tid == tIDs[1] || tid == tIDs[2] || tid == tIDs[3]) ) {
265 dphivalues[0] = particle->Eta() - track->Eta();
266 dphivalues[1] = GetDPhi(particle->Phi() - track->Phi());
267 dphivalues[2] = particle->Pt();
268 dphivalues[3] = track->Pt();
269 dphivalues[4] = isolated;
271 trackValues[0] = track->Eta();
272 trackValues[1] = track->Phi();
273 trackValues[2] = particle->Pt();
274 trackValues[3] = track->Pt();
275 trackValues[4] = isolated;
279 dphivalues[5] = particle->M();
280 trackValues[5] = particle->M();
281 trigValues[4] = particle->M();
284 fCorrSparse->Fill(dphivalues);
285 fTrackSparse->Fill(trackValues);