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 fAxisdEta.Set(40, -1.6, 1.6);
81 fAxisdEta.SetNameTitle("dEta", "delta eta");
83 fAxisdPhi.Set(32, -TMath::PiOver2(), 3*TMath::PiOver2());
84 fAxisdPhi.SetNameTitle("dPhi", "delta Phi");
86 Double_t tptbins[14] = {3.0, 3.5, 4.0, 5.0, 6.0, 8.0, 10.0, 12.5, 15, 20, 25, 30, 50, 100};
87 fAxistPt.Set(13, tptbins);
88 fAxistPt.SetNameTitle("tPt", "trigger Pt");
90 Double_t cptbins[18] = {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};
91 fAxiscPt.Set(17, cptbins);
92 fAxiscPt.SetNameTitle("cPt", "track Pt");
94 fAxisIso.Set(3, -0.5, 2.5);
95 fAxisIso.SetNameTitle("iso", "isolation");
97 fAxesList.AddAt(&fAxisdEta, 0);
98 fAxesList.AddAt(&fAxisdPhi, 1);
99 fAxesList.AddAt(&fAxistPt, 2);
100 fAxesList.AddAt(&fAxiscPt, 3);
101 fAxesList.AddAt(&fAxisIso, 4);
103 fAxisMEEta.Set(320, -0.8, 0.8);
104 fAxisMEEta.SetNameTitle("eta", "eta");
106 fAxisMEPhi.Set(256, 0, TMath::TwoPi());
107 fAxisMEPhi.SetNameTitle("phi", "phi");
109 fTrackAxisList.AddAt(&fAxisMEEta, 0);
110 fTrackAxisList.AddAt(&fAxisMEPhi, 1);
111 fTrackAxisList.AddAt(&fAxistPt, 2);
112 fTrackAxisList.AddAt(&fAxiscPt, 3);
113 fTrackAxisList.AddAt(&fAxisIso, 4);
115 fTrigAxisList.AddAt(&fAxisMEEta, 0);
116 fTrigAxisList.AddAt(&fAxisMEPhi, 1);
117 fTrigAxisList.AddAt(&fAxistPt, 2);
118 fTrigAxisList.AddAt(&fAxisIso, 3);
123 //________________________________________________________________________
124 void AliAnaConvCorrBase::CreateBaseHistograms() {
125 //Create histograms add, to outputlis
127 //cout << "Creating histograms for "<< GetName() << endl;
129 fHistograms = new TList();
130 fHistograms->SetOwner(kTRUE);
131 fHistograms->SetName(fName);
134 fCorrSparse = CreateSparse(GetName(), GetTitle(), &fAxesList);
135 fHistograms->Add(fCorrSparse);
137 fTrackSparse = CreateSparse(Form("%s_%s", GetName(), "METrack"), Form("%s %s", GetTitle(), "ME Tracks"), &fTrackAxisList);
138 fHistograms->Add(fTrackSparse);
140 fTrigSparse = CreateSparse(Form("%s_%s", GetName(), "METrig"), Form("%s %s", GetTitle(), "ME Triggers"), &fTrigAxisList);
141 fHistograms->Add(fTrigSparse);
145 ///________________________________________________________________________
146 THnSparseF * AliAnaConvCorrBase::CreateSparse(TString nameString, TString titleString, TList * axesList) {
148 const Int_t dim = axesList->GetSize();
150 //cout << nameString << " " << titleString << " " << " dimesion: " << dim << endl;
157 for(Int_t i = 0; i<dim; i++) {
158 TAxis * axis = dynamic_cast<TAxis*>(axesList->At(i));
159 if(axis) axes[i] = axis;
161 cout << "AliAnalysisTaskdPhi::CreateSparse: Error error, all the axes are not present in axis list" << endl;
166 for(Int_t i = 0; i<dim; i++) {
167 //cout << axes[i]->GetTitle() << endl;
168 bins[i] = axes[i]->GetNbins();
169 min[i] = axes[i]->GetBinLowEdge(1);
170 max[i] = axes[i]->GetBinUpEdge(axes[i]->GetNbins());
173 THnSparseF * sparse = new THnSparseF(Form("%s", nameString.Data()),
174 Form("%s", titleString.Data()),
175 dim, bins, min, max);
177 for(Int_t i = 0; i<dim; i++) {
178 sparse->GetAxis(i)->SetNameTitle(axes[i]->GetName(), axes[i]->GetTitle() );
179 if(axes[i]->GetXbins()->GetSize() > 0) {
180 sparse->SetBinEdges(i, axes[i]->GetXbins()->GetArray() );
188 //________________________________________________________________
189 void AliAnaConvCorrBase::CorrelateWithTracks(AliAODConversionParticle * particle, TObjArray * tracks, Int_t const tIDs[4], Int_t isolated = 0) {
190 //Correlate particle with tracks
194 Int_t nDim = fAxesList.GetSize();
195 Double_t dphivalues[nDim];
196 Double_t trackValues[nDim];
197 Double_t trigValues[nDim - 1];
199 trigValues[0] = particle->Eta();
200 trigValues[1] = particle->Phi();
201 trigValues[2] = particle->Pt();
202 trigValues[3] = isolated;
205 dphivalues[5] = particle->M();
206 trackValues[5] = particle->M();
207 trigValues[4] = particle->M();
210 fTrigSparse->Fill(trigValues);
213 for(int ij = 0; ij < tracks->GetEntriesFast(); ij++) {
214 AliVTrack * track = static_cast<AliVTrack*>(tracks->UncheckedAt(ij));
215 Int_t tid = track->GetID();
217 if((tid > 0) && (tid == tIDs[0] || tid == tIDs[1] || tid == tIDs[2] || tid == tIDs[3]) ) {
221 dphivalues[0] = particle->Eta() - track->Eta();
222 dphivalues[1] = GetDPhi(particle->Phi() - track->Phi());
223 dphivalues[2] = particle->Pt();
224 dphivalues[3] = track->Pt();
225 dphivalues[4] = isolated;
227 trackValues[0] = track->Eta();
228 trackValues[1] = track->Phi();
229 trackValues[2] = particle->Pt();
230 trackValues[3] = track->Pt();
231 trackValues[4] = isolated;
235 fCorrSparse->Fill(dphivalues);
236 fTrackSparse->Fill(trackValues);