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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
10a8ccbe 59AliAnalysisTaskSpectraAOD::AliAnalysisTaskSpectraAOD(const char *name) : AliAnalysisTaskSE(name), fAOD(0), fHistMan(0), fTrackCuts(0), fEventCuts(0), fPID(0), fIsMC(0), fNRebin(0)\r
c88234ad 60{\r
823864bf 61 // Default constructor\r
10a8ccbe 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
10a8ccbe 68 fNRebin=0;\r
69 \r
c88234ad 70}\r
71//________________________________________________________________________\r
c88234ad 72//________________________________________________________________________\r
73void AliAnalysisTaskSpectraAOD::UserCreateOutputObjects()\r
74{\r
75 // create output objects\r
10a8ccbe 76 fHistMan = new AliSpectraAODHistoManager("SpectraHistos",fNRebin);\r
c88234ad 77\r
823864bf 78 if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro");\r
79 if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro");\r
e8b0fe64 80 if (!fPID) AliFatal("PID object should be set in the steering macro");\r
c88234ad 81\r
e8b0fe64 82 PostData(1, fHistMan );\r
823864bf 83 PostData(2, fEventCuts);\r
84 PostData(3, fTrackCuts);\r
e8b0fe64 85 PostData(4, fPID );\r
c88234ad 86\r
87}\r
88//________________________________________________________________________\r
89void AliAnalysisTaskSpectraAOD::UserExec(Option_t *)\r
90{\r
91 // main event loop\r
1516046a 92 //Printf("ALIVE");\r
823864bf 93 fAOD = dynamic_cast<AliAODEvent*>(fInputEvent);\r
59c903c0 94 if (!fAOD) {\r
95 AliWarning("ERROR: AliAODEvent not available \n");\r
96 return;\r
97 }\r
98 \r
823864bf 99 if (strcmp(fAOD->ClassName(), "AliAODEvent"))\r
100 {\r
c88234ad 101 AliFatal("Not processing AODs");\r
823864bf 102 }\r
103 \r
f6a38178 104 if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection\r
105 \r
e8b0fe64 106 //AliCentrality fAliCentral*;\r
107 // if ((fAOD->GetCentrality())->GetCentralityPercentile("V0M") > 5.) return;\r
6eee0bf6 108 \r
e8b0fe64 109 // First do MC to fill up the MC particle array, such that we can use it later\r
110 TClonesArray *arrayMC = 0;\r
111 if (fIsMC)\r
112 {\r
113 arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName());\r
114 if (!arrayMC) {\r
115 AliFatal("Error: MC particles branch not found!\n");\r
c88234ad 116 }\r
e8b0fe64 117 Int_t nMC = arrayMC->GetEntries();\r
118 for (Int_t iMC = 0; iMC < nMC; iMC++)\r
119 {\r
120 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);\r
121 if(!partMC->Charge()) continue;//Skip neutrals\r
00493191 122 //if(partMC->Eta() > fTrackCuts->GetEtaMin() && partMC->Eta() < fTrackCuts->GetEtaMax()){//charged hadron are filled inside the eta acceptance\r
123 //Printf("%f %f-%f",partMC->Eta(),fTrackCuts->GetEtaMin(),fTrackCuts->GetEtaMax());\r
124 if(partMC->Eta() < fTrackCuts->GetEtaMin() || partMC->Eta() > fTrackCuts->GetEtaMax())continue;//ETA CUT ON GENERATED!!!!!!!!!!!!!!!!!!!!!!!!!!\r
125 fHistMan->GetPtHistogram(kHistPtGen)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());\r
126 \r
e9c44a2a 127 //rapidity cut\r
e8b0fe64 128 if(TMath::Abs(partMC->Y()) > fTrackCuts->GetY() ) continue; \r
129 // check for true PID + and fill P_t histos \r
130 Int_t charge = partMC->Charge() > 0 ? kChPos : kChNeg ;\r
131 Int_t id = fPID->GetParticleSpecie(partMC);\r
132 if(id != kSpUndefined) {\r
133 fHistMan->GetHistogram2D(kHistPtGenTruePrimary,id,charge)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());\r
823864bf 134 }\r
e8b0fe64 135 }\r
136 }\r
6da07d74 137 \r
e8b0fe64 138 //main loop on tracks\r
139 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {\r
140 AliAODTrack* track = fAOD->GetTrack(iTracks);\r
decf69d9 141 if (!fTrackCuts->IsSelected(track,kTRUE)) continue;\r
e8b0fe64 142 \r
143 fPID->FillQAHistos(fHistMan, track, fTrackCuts);\r
6da07d74 144 \r
e8b0fe64 145 //calculate DCA for AOD track\r
9fcae40e 146 Double_t dca=track->DCA();\r
b150ea7e 147 if(dca==-999.){// track->DCA() does not work in old AOD production\r
148 Double_t d[2], covd[3];\r
149 AliAODTrack* track_clone=(AliAODTrack*)track->Clone("track_clone"); // need to clone because PropagateToDCA updates the track parameters\r
150 Bool_t isDCA = track_clone->PropagateToDCA(fAOD->GetPrimaryVertex(),fAOD->GetMagneticField(),9999.,d,covd);\r
151 delete track_clone;\r
152 if(!isDCA)d[0]=-999.;\r
153 dca=d[0];\r
154 }\r
9fcae40e 155 fHistMan->GetPtHistogram(kHistPtRec)->Fill(track->Pt(),dca); // PT histo\r
6da07d74 156 \r
e8b0fe64 157 // get identity and charge\r
972a21ad 158 Int_t idRec = fPID->GetParticleSpecie(fHistMan,track, fTrackCuts);\r
6da07d74 159 \r
e9c44a2a 160 Int_t charge = track->Charge() > 0 ? kChPos : kChNeg;\r
6da07d74 161 \r
e9c44a2a 162 // Fill histograms, only if inside y and nsigma acceptance\r
9fcae40e 163 if(idRec != kSpUndefined && fTrackCuts->CheckYCut ((AODParticleSpecies_t)idRec))fHistMan->GetHistogram2D(kHistPtRecSigma,idRec,charge)->Fill(track->Pt(),dca);\r
e9c44a2a 164 //can't put a continue because we still have to fill allcharged primaries, done later\r
6da07d74 165 \r
e8b0fe64 166 /* MC Part */\r
167 if (arrayMC) {\r
168 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));\r
169 if (!partMC) { \r
170 AliError("Cannot get MC particle");\r
171 continue; \r
172 }\r
173 // Check if it is primary, secondary from material or secondary from weak decay\r
174 Bool_t isPrimary = partMC->IsPhysicalPrimary();\r
175 Bool_t isSecondaryMaterial = kFALSE; \r
176 Bool_t isSecondaryWeak = kFALSE; \r
177 if(!isPrimary) {\r
178 Int_t mfl=-999,codemoth=-999;\r
179 Int_t indexMoth=partMC->GetMother(); // FIXME ignore fakes? TO BE CHECKED, on ESD is GetFirstMother()\r
180 if(indexMoth>=0){//is not fake\r
181 AliAODMCParticle* moth = (AliAODMCParticle*) arrayMC->At(indexMoth);\r
182 codemoth = TMath::Abs(moth->GetPdgCode());\r
183 mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));\r
184 }\r
ae0fdd7d 185 //Int_t uniqueID = partMC->GetUniqueID();\r
00493191 186 //cout<<"uniqueID: "<<partMC->GetUniqueID()<<" "<<kPDecay<<endl;\r
187 //cout<<"status: "<<partMC->GetStatus()<<" "<<kPDecay<<endl;\r
9fcae40e 188 // if(uniqueID == kPDecay)Printf("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");\r
e8b0fe64 189 if(mfl==3) isSecondaryWeak = kTRUE; // add if(partMC->GetStatus() & kPDecay)? FIXME\r
190 else isSecondaryMaterial = kTRUE;\r
191 }\r
6da07d74 192 \r
9fcae40e 193 if (isPrimary)fHistMan->GetPtHistogram(kHistPtRecPrimary)->Fill(track->Pt(),dca); // PT histo of primaries\r
e9c44a2a 194 \r
195 //nsigma cut (reconstructed nsigma)\r
196 if(idRec == kSpUndefined) continue;\r
197 \r
198 // rapidity cut (reconstructed pt and identity)\r
199 if(!fTrackCuts->CheckYCut ((AODParticleSpecies_t)idRec)) continue;\r
200 \r
e8b0fe64 201 // Get true ID\r
6da07d74 202 Int_t idGen = fPID->GetParticleSpecie(partMC);\r
203 //if(TMath::Abs(partMC->Y()) > fTrackCuts->GetY() ) continue; // FIXME: do we need a rapidity cut on the generated?\r
e8b0fe64 204 // Fill histograms for primaries\r
e9c44a2a 205 \r
9fcae40e 206 if (idRec == idGen) fHistMan->GetHistogram2D(kHistPtRecTrue, idGen, charge)->Fill(track->Pt(),dca); \r
e9c44a2a 207 \r
208 if (isPrimary) {\r
9fcae40e 209 fHistMan ->GetHistogram2D(kHistPtRecSigmaPrimary, idRec, charge)->Fill(track->Pt(),dca); \r
e9c44a2a 210 if(idGen != kSpUndefined) {\r
9fcae40e 211 fHistMan ->GetHistogram2D(kHistPtRecPrimary, idGen, charge)->Fill(track->Pt(),dca);\r
212 if (idRec == idGen) fHistMan->GetHistogram2D(kHistPtRecTruePrimary, idGen, charge)->Fill(track->Pt(),dca); \r
f6a38178 213 }\r
e8b0fe64 214 }\r
215 //25th Apr - Muons are added to Pions -- FIXME\r
216 if ( partMC->PdgCode() == 13 && idRec == kSpPion) { \r
9fcae40e 217 fHistMan->GetPtHistogram(kHistPtRecTrueMuonPlus)->Fill(track->Pt(),dca); \r
e8b0fe64 218 if(isPrimary)\r
9fcae40e 219 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonPlus)->Fill(track->Pt(),dca); \r
e8b0fe64 220 }\r
221 if ( partMC->PdgCode() == -13 && idRec == kSpPion) { \r
9fcae40e 222 fHistMan->GetPtHistogram(kHistPtRecTrueMuonMinus)->Fill(track->Pt(),dca); \r
e8b0fe64 223 if (isPrimary) {\r
9fcae40e 224 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonMinus)->Fill(track->Pt(),dca); \r
e8b0fe64 225 }\r
226 }\r
6da07d74 227 \r
e8b0fe64 228 ///..... END FIXME\r
f6a38178 229 \r
e8b0fe64 230 // Fill secondaries\r
9fcae40e 231 if(isSecondaryWeak ) fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryWeakDecay, idRec, charge)->Fill(track->Pt(),dca);\r
232 if(isSecondaryMaterial) fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryMaterial , idRec, charge)->Fill(track->Pt(),dca);\r
f6a38178 233 \r
e8b0fe64 234 }//end if(arrayMC)\r
235 } // end loop on tracks\r
236 \r
97b01bb0 237 PostData(1, fHistMan );\r
823864bf 238 PostData(2, fEventCuts);\r
239 PostData(3, fTrackCuts);\r
97b01bb0 240 PostData(4, fPID );\r
c88234ad 241}\r
823864bf 242\r
c88234ad 243//_________________________________________________________________\r
244void AliAnalysisTaskSpectraAOD::Terminate(Option_t *)\r
245{\r
823864bf 246 // Terminate\r
c88234ad 247}\r