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c88234ad 1/**************************************************************************\r
2 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *\r
3 * *\r
4 * Author: The ALICE Off-line Project. *\r
5 * Contributors are mentioned in the code where appropriate. *\r
6 * *\r
7 * Permission to use, copy, modify and distribute this software and its *\r
8 * documentation strictly for non-commercial purposes is hereby granted *\r
9 * without fee, provided that the above copyright notice appears in all *\r
10 * copies and that both the copyright notice and this permission notice *\r
11 * appear in the supporting documentation. The authors make no claims *\r
12 * about the suitability of this software for any purpose. It is *\r
13 * provided "as is" without express or implied warranty. *\r
14 **************************************************************************/\r
15\r
16//-----------------------------------------------------------------\r
17// AliAnalysisTaskSpectraAOD class\r
18//-----------------------------------------------------------------\r
19\r
20#include "TChain.h"\r
21#include "TTree.h"\r
22#include "TLegend.h"\r
23#include "TH1F.h"\r
24#include "TH2F.h"\r
25#include "TCanvas.h"\r
26#include "AliAnalysisTask.h"\r
27#include "AliAnalysisManager.h"\r
28#include "AliAODTrack.h"\r
29#include "AliAODMCParticle.h"\r
6522a8cb 30#include "AliVParticle.h"\r
c88234ad 31#include "AliAODEvent.h"\r
32#include "AliAODInputHandler.h"\r
33#include "AliAnalysisTaskSpectraAOD.h"\r
34#include "AliAnalysisTaskESDfilter.h"\r
35#include "AliAnalysisDataContainer.h"\r
36#include "AliSpectraAODHistoManager.h"\r
37#include "AliSpectraAODTrackCuts.h"\r
38#include "AliSpectraAODEventCuts.h"\r
39#include "AliCentrality.h"\r
40#include "TProof.h"\r
41#include "AliPID.h"\r
42#include "AliVEvent.h"\r
43#include "AliPIDResponse.h"\r
823864bf 44#include "AliStack.h"\r
e8b0fe64 45#include "AliSpectraAODPID.h"\r
9fcae40e 46#include <TMCProcess.h>\r
47\r
c88234ad 48#include <iostream>\r
49\r
823864bf 50\r
51\r
52\r
c88234ad 53using namespace AliSpectraNameSpace;\r
54using namespace std;\r
55\r
56ClassImp(AliAnalysisTaskSpectraAOD) // EX1 This stuff tells root to implement the streamer, inspector methods etc (we discussed about it today)\r
57\r
58//________________________________________________________________________\r
e8b0fe64 59AliAnalysisTaskSpectraAOD::AliAnalysisTaskSpectraAOD(const char *name) : AliAnalysisTaskSE(name), fAOD(0), fHistMan(0), fTrackCuts(0), fEventCuts(0), fPID(0), fIsMC(0)\r
c88234ad 60{\r
823864bf 61 // Default constructor\r
e8b0fe64 62\r
823864bf 63 DefineInput(0, TChain::Class());\r
64 DefineOutput(1, AliSpectraAODHistoManager::Class());\r
65 DefineOutput(2, AliSpectraAODEventCuts::Class());\r
66 DefineOutput(3, AliSpectraAODTrackCuts::Class());\r
e8b0fe64 67 DefineOutput(4, AliSpectraAODPID::Class());\r
c88234ad 68\r
69}\r
70//________________________________________________________________________\r
c88234ad 71//________________________________________________________________________\r
72void AliAnalysisTaskSpectraAOD::UserCreateOutputObjects()\r
73{\r
74 // create output objects\r
823864bf 75 fHistMan = new AliSpectraAODHistoManager("SpectraHistos");\r
c88234ad 76\r
823864bf 77 if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro");\r
78 if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro");\r
e8b0fe64 79 if (!fPID) AliFatal("PID object should be set in the steering macro");\r
c88234ad 80\r
e8b0fe64 81 PostData(1, fHistMan );\r
823864bf 82 PostData(2, fEventCuts);\r
83 PostData(3, fTrackCuts);\r
e8b0fe64 84 PostData(4, fPID );\r
c88234ad 85\r
86}\r
87//________________________________________________________________________\r
88void AliAnalysisTaskSpectraAOD::UserExec(Option_t *)\r
89{\r
90 // main event loop\r
823864bf 91 fAOD = dynamic_cast<AliAODEvent*>(fInputEvent);\r
92 if (strcmp(fAOD->ClassName(), "AliAODEvent"))\r
93 {\r
c88234ad 94 AliFatal("Not processing AODs");\r
823864bf 95 }\r
d42a22a2 96 Printf("ALIVE");\r
e8b0fe64 97 //check on centrality distribution\r
98 fHistMan->GetPtHistogram("CentCheck")->Fill(fAOD->GetCentrality()->GetCentralityPercentile("V0M"),fAOD->GetHeader()->GetCentralityP()->GetCentralityPercentileUnchecked("V0M"));\r
823864bf 99 \r
f6a38178 100 if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection\r
101 \r
e8b0fe64 102 //AliCentrality fAliCentral*;\r
103 // if ((fAOD->GetCentrality())->GetCentralityPercentile("V0M") > 5.) return;\r
6eee0bf6 104 \r
e8b0fe64 105 // First do MC to fill up the MC particle array, such that we can use it later\r
106 TClonesArray *arrayMC = 0;\r
107 if (fIsMC)\r
108 {\r
109 arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName());\r
110 if (!arrayMC) {\r
111 AliFatal("Error: MC particles branch not found!\n");\r
c88234ad 112 }\r
e8b0fe64 113 Int_t nMC = arrayMC->GetEntries();\r
114 for (Int_t iMC = 0; iMC < nMC; iMC++)\r
115 {\r
116 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);\r
117 if(!partMC->Charge()) continue;//Skip neutrals\r
f21d552f 118 if(TMath::Abs(partMC->Eta()) < fTrackCuts->GetEta()){//charged hadron are filled inside the eta acceptance\r
e9c44a2a 119 fHistMan->GetPtHistogram(kHistPtGen)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());\r
120 }\r
121 //rapidity cut\r
e8b0fe64 122 if(TMath::Abs(partMC->Y()) > fTrackCuts->GetY() ) continue; \r
123 // check for true PID + and fill P_t histos \r
124 Int_t charge = partMC->Charge() > 0 ? kChPos : kChNeg ;\r
125 Int_t id = fPID->GetParticleSpecie(partMC);\r
126 if(id != kSpUndefined) {\r
127 fHistMan->GetHistogram2D(kHistPtGenTruePrimary,id,charge)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());\r
823864bf 128 }\r
e8b0fe64 129 }\r
130 }\r
6da07d74 131 \r
e8b0fe64 132 //main loop on tracks\r
133 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {\r
134 AliAODTrack* track = fAOD->GetTrack(iTracks);\r
135 if (!fTrackCuts->IsSelected(track)) continue;\r
136 \r
137 fPID->FillQAHistos(fHistMan, track, fTrackCuts);\r
6da07d74 138 \r
e8b0fe64 139 // //cut on q vectors track-by-track FIXME\r
140 // if ((qPos>fTrackCuts->GetQvecMin() && qPos<fTrackCuts->GetQvecMax() && track->Eta()<0) || (qNeg>fTrackCuts->GetQvecMin() && qNeg<fTrackCuts->GetQvecMax() && track->Eta()>=0)){\r
6da07d74 141 \r
e8b0fe64 142 //calculate DCA for AOD track\r
9fcae40e 143 Double_t dca=track->DCA();\r
b150ea7e 144 if(dca==-999.){// track->DCA() does not work in old AOD production\r
145 Double_t d[2], covd[3];\r
146 AliAODTrack* track_clone=(AliAODTrack*)track->Clone("track_clone"); // need to clone because PropagateToDCA updates the track parameters\r
147 Bool_t isDCA = track_clone->PropagateToDCA(fAOD->GetPrimaryVertex(),fAOD->GetMagneticField(),9999.,d,covd);\r
148 delete track_clone;\r
149 if(!isDCA)d[0]=-999.;\r
150 dca=d[0];\r
151 }\r
9fcae40e 152 fHistMan->GetPtHistogram(kHistPtRec)->Fill(track->Pt(),dca); // PT histo\r
6da07d74 153 \r
e8b0fe64 154 // get identity and charge\r
155 Int_t idRec = fPID->GetParticleSpecie(track, fTrackCuts);\r
6da07d74 156 \r
e9c44a2a 157 Int_t charge = track->Charge() > 0 ? kChPos : kChNeg;\r
6da07d74 158 \r
e9c44a2a 159 // Fill histograms, only if inside y and nsigma acceptance\r
9fcae40e 160 if(idRec != kSpUndefined && fTrackCuts->CheckYCut ((AODParticleSpecies_t)idRec))fHistMan->GetHistogram2D(kHistPtRecSigma,idRec,charge)->Fill(track->Pt(),dca);\r
e9c44a2a 161 //can't put a continue because we still have to fill allcharged primaries, done later\r
6da07d74 162 \r
e8b0fe64 163 /* MC Part */\r
164 if (arrayMC) {\r
165 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));\r
166 if (!partMC) { \r
167 AliError("Cannot get MC particle");\r
168 continue; \r
169 }\r
170 // Check if it is primary, secondary from material or secondary from weak decay\r
171 Bool_t isPrimary = partMC->IsPhysicalPrimary();\r
172 Bool_t isSecondaryMaterial = kFALSE; \r
173 Bool_t isSecondaryWeak = kFALSE; \r
174 if(!isPrimary) {\r
175 Int_t mfl=-999,codemoth=-999;\r
176 Int_t indexMoth=partMC->GetMother(); // FIXME ignore fakes? TO BE CHECKED, on ESD is GetFirstMother()\r
177 if(indexMoth>=0){//is not fake\r
178 AliAODMCParticle* moth = (AliAODMCParticle*) arrayMC->At(indexMoth);\r
179 codemoth = TMath::Abs(moth->GetPdgCode());\r
180 mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));\r
181 }\r
9fcae40e 182 // Int_t uniqueID = partMC->GetUniqueID();\r
183 // cout<<"uniqueID: "<<partMC->GetUniqueID()<<" "<<kPDecay<<endl;\r
184 // cout<<"status: "<<partMC->GetStatus()<<" "<<kPDecay<<endl;\r
185 // if(uniqueID == kPDecay)Printf("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");\r
e8b0fe64 186 if(mfl==3) isSecondaryWeak = kTRUE; // add if(partMC->GetStatus() & kPDecay)? FIXME\r
187 else isSecondaryMaterial = kTRUE;\r
188 }\r
6da07d74 189 \r
9fcae40e 190 if (isPrimary)fHistMan->GetPtHistogram(kHistPtRecPrimary)->Fill(track->Pt(),dca); // PT histo of primaries\r
e9c44a2a 191 \r
192 //nsigma cut (reconstructed nsigma)\r
193 if(idRec == kSpUndefined) continue;\r
194 \r
195 // rapidity cut (reconstructed pt and identity)\r
196 if(!fTrackCuts->CheckYCut ((AODParticleSpecies_t)idRec)) continue;\r
197 \r
e8b0fe64 198 // Get true ID\r
6da07d74 199 Int_t idGen = fPID->GetParticleSpecie(partMC);\r
200 //if(TMath::Abs(partMC->Y()) > fTrackCuts->GetY() ) continue; // FIXME: do we need a rapidity cut on the generated?\r
e8b0fe64 201 // Fill histograms for primaries\r
e9c44a2a 202 \r
9fcae40e 203 if (idRec == idGen) fHistMan->GetHistogram2D(kHistPtRecTrue, idGen, charge)->Fill(track->Pt(),dca); \r
e9c44a2a 204 \r
205 if (isPrimary) {\r
9fcae40e 206 fHistMan ->GetHistogram2D(kHistPtRecSigmaPrimary, idRec, charge)->Fill(track->Pt(),dca); \r
e9c44a2a 207 if(idGen != kSpUndefined) {\r
9fcae40e 208 fHistMan ->GetHistogram2D(kHistPtRecPrimary, idGen, charge)->Fill(track->Pt(),dca);\r
209 if (idRec == idGen) fHistMan->GetHistogram2D(kHistPtRecTruePrimary, idGen, charge)->Fill(track->Pt(),dca); \r
f6a38178 210 }\r
e8b0fe64 211 }\r
212 //25th Apr - Muons are added to Pions -- FIXME\r
213 if ( partMC->PdgCode() == 13 && idRec == kSpPion) { \r
9fcae40e 214 fHistMan->GetPtHistogram(kHistPtRecTrueMuonPlus)->Fill(track->Pt(),dca); \r
e8b0fe64 215 if(isPrimary)\r
9fcae40e 216 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonPlus)->Fill(track->Pt(),dca); \r
e8b0fe64 217 }\r
218 if ( partMC->PdgCode() == -13 && idRec == kSpPion) { \r
9fcae40e 219 fHistMan->GetPtHistogram(kHistPtRecTrueMuonMinus)->Fill(track->Pt(),dca); \r
e8b0fe64 220 if (isPrimary) {\r
9fcae40e 221 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonMinus)->Fill(track->Pt(),dca); \r
e8b0fe64 222 }\r
223 }\r
6da07d74 224 \r
e8b0fe64 225 ///..... END FIXME\r
f6a38178 226 \r
e8b0fe64 227 // Fill secondaries\r
9fcae40e 228 if(isSecondaryWeak ) fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryWeakDecay, idRec, charge)->Fill(track->Pt(),dca);\r
229 if(isSecondaryMaterial) fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryMaterial , idRec, charge)->Fill(track->Pt(),dca);\r
f6a38178 230 \r
e8b0fe64 231 }//end if(arrayMC)\r
232 } // end loop on tracks\r
233 \r
97b01bb0 234 PostData(1, fHistMan );\r
823864bf 235 PostData(2, fEventCuts);\r
236 PostData(3, fTrackCuts);\r
97b01bb0 237 PostData(4, fPID );\r
c88234ad 238}\r
823864bf 239\r
c88234ad 240//_________________________________________________________________\r
241void AliAnalysisTaskSpectraAOD::Terminate(Option_t *)\r
242{\r
823864bf 243 // Terminate\r
c88234ad 244}\r