1 //DEFINITION OF A FEW CONSTANTS
2 const Double_t ymin = -2.0 ;
3 const Double_t ymax = 2.0 ;
4 const Double_t ptmin = 0.0 ;
5 const Double_t ptmax = 8.0 ;
6 const Double_t phimin = 0 ;
7 const Double_t phimax = 360 ;
8 const Int_t mintrackrefsTPC = 2 ;
9 const Int_t mintrackrefsITS = 3 ;
10 const Int_t PDG = 310;
11 const Int_t minclustersTPC = 10 ;
12 const Int_t chargeV0 = 0 ;
13 //----------------------------------------------------
16 const Bool_t useGrid = 1,
17 const Bool_t readAOD = 0,
18 const char * kTagXMLFile="wn.xml", // XML file containing tags
23 benchmark.Start("AliSingleTrackTask");
25 AliLog::SetGlobalDebugLevel(0);
27 Load(useGrid) ; //load the required libraries
29 AliLog::SetGlobalDebugLevel(0);
31 TChain * analysisChain ;
33 if (useGrid) { //data located on AliEn
34 TGrid::Connect("alien://") ;
35 // Create an AliRunTagCuts and an AliEventTagCuts Object and impose some selection criteria
36 AliRunTagCuts *runCuts = new AliRunTagCuts();
37 AliEventTagCuts *eventCuts = new AliEventTagCuts();
38 AliLHCTagCuts *lhcCuts = new AliLHCTagCuts();
39 AliDetectorTagCuts *detCuts = new AliDetectorTagCuts();
40 eventCuts->SetMultiplicityRange(0,20000);
41 // Create an AliTagAnalysis Object and chain the tags
42 AliTagAnalysis *tagAna = new AliTagAnalysis();
43 tagAna->SetType("ESD"); //for aliroot > v4-05
44 TAlienCollection *coll = TAlienCollection::Open(kTagXMLFile);
45 TGridResult *tagResult = coll->GetGridResult("",0,0);
47 tagAna->ChainGridTags(tagResult);
48 // Create a new esd chain and assign the chain that is returned by querying the tags
49 analysisChain = tagAna->QueryTags(runCuts,lhcCuts,detCuts,eventCuts);
52 //here put your input data path
54 analysisChain = new TChain("aodTree");
55 analysisChain->Add("your_data_path/001/AliAOD.root");
56 analysisChain->Add("your_data_path/002/AliAOD.root");
59 analysisChain = new TChain("esdTree");
60 analysisChain->Add("your_data_path/001/AliESDs.root");
61 analysisChain->Add("your_data_path/002/AliESDs.root");
66 Info("AliCFV0Task",Form("CHAIN HAS %d ENTRIES",(Int_t)analysisChain->GetEntries()));
68 //CONTAINER DEFINITION
69 Info("AliCFV0Task","SETUP CONTAINER");
70 //the sensitive variables, their indices
73 //Setting up the container grid...
74 Int_t nstep = 4 ; //number of selection steps MC
75 const Int_t nvar = 2 ; //number of variables on the grid:pt,y,phi,vtx
76 const Int_t nbin1 = 8 ; //bins in pt
77 const Int_t nbin2 = 8 ; //bins in y
78 //arrays for the number of bins in each dimension
79 const Int_t iBin[nvar] ={nbin1,nbin2};
80 //arrays for lower bounds :
81 Double_t binLim1[nbin1+1];
82 Double_t binLim2[nbin2+1];
83 //values for bin lower bounds
84 for(Int_t i=0; i<=nbin1; i++) binLim1[i]=ptmin + (ptmax-ptmin)/nbin1*(Double_t)i ;
85 for(Int_t i=0; i<=nbin2; i++) binLim2[i]=ymin + (ymax-ymin) /nbin2*(Double_t)i ;
86 //one "container" for MC
87 AliCFContainer* container = new AliCFContainer("container","container for V0s",nstep,nvar,iBin);
88 //setting the bin limits
89 container -> SetBinLimits(ipt,binLim1);
90 container -> SetBinLimits(iy,binLim2);
93 //CREATE THE CUTS -----------------------------------------------
95 // Gen-Level kinematic cuts
96 AliCFTrackKineCuts *mcKineCuts = new AliCFTrackKineCuts("mcKineCuts","MC-level kinematic cuts");
97 mcKineCuts->SetPtRange(ptmin,ptmax);
98 mcKineCuts->SetRapidityRange(ymin,ymax);
99 mcKineCuts->SetChargeMC(0);
101 AliCFParticleGenCuts* mcGenCuts = new AliCFParticleGenCuts("mcGenCuts","MC particle generation cuts");
102 //mcGenCuts->SetRequireIsPrimary(); //problem with some particles...
103 mcGenCuts->SetRequirePdgCode(PDG);
106 AliCFPairAcceptanceCuts *mcAccCuts = new AliCFPairAcceptanceCuts("mcAccCuts","MC acceptance cuts for V0");
107 mcAccCuts->GetNegCut()->SetMinNHitITS(mintrackrefsITS);
108 mcAccCuts->GetPosCut()->SetMinNHitITS(mintrackrefsITS);
109 mcAccCuts->GetNegCut()->SetMinNHitTPC(mintrackrefsTPC);
110 mcAccCuts->GetPosCut()->SetMinNHitTPC(mintrackrefsTPC);
112 // Rec-Level kinematic cuts
113 AliCFTrackKineCuts *recKineCuts = new AliCFTrackKineCuts("recKineCuts","V0 rec-level kine cuts");
114 recKineCuts->SetPtRange(ptmin,ptmax);
115 recKineCuts->SetRapidityRange(ymin,ymax);
116 recKineCuts->SetChargeRec(0);
118 AliCFPairQualityCuts *recQualityCuts = new AliCFPairQualityCuts("recQualityCuts","V0 rec-level quality cuts");
120 recQualityCuts->GetNegCut()->SetMinNClusterTPC(minclustersTPC);
121 recQualityCuts->GetPosCut()->SetMinNClusterTPC(minclustersTPC);
123 recQualityCuts->GetNegCut()->SetStatus(AliESDtrack::kTPCrefit & AliESDtrack::kITSrefit);
124 recQualityCuts->GetPosCut()->SetStatus(AliESDtrack::kTPCrefit & AliESDtrack::kITSrefit);
126 AliCFV0TopoCuts *recTopoCuts = new AliCFV0TopoCuts("recTopoCuts","V0 Topological Cuts");
127 recTopoCuts->SetMaxDcaDaughters(0.1);
128 recTopoCuts->SetMinCosPointAngle(0.995);
129 recTopoCuts->SetMinDcaNeg(0.1);
130 recTopoCuts->SetMinDcaPos(0.1);
133 AliCFPairPidCut* cutPID = new AliCFPairPidCut("cutPID","ESD_PID") ;
134 Double_t prior_pp[AliPID::kSPECIES] = {0.0244519,
140 Double_t prior_pbpb[AliPID::kSPECIES] = {0.0609,
145 cutPID->GetNegCut()->SetPriors(prior_pp);
146 cutPID->GetPosCut()->SetPriors(prior_pp);
147 cutPID->GetNegCut()->SetDetectors("ITS TPC TRD");
148 cutPID->GetPosCut()->SetDetectors("ITS TPC TRD");
151 cutPID->GetNegCut()->SetAODmode(kTRUE);
152 cutPID->GetPosCut()->SetAODmode(kTRUE);
155 cutPID->GetNegCut()->SetAODmode(kFALSE);
156 cutPID->GetPosCut()->SetAODmode(kFALSE);
159 cutPID->GetNegCut()->SetProbabilityCut(0);
160 cutPID->GetPosCut()->SetProbabilityCut(0);
162 switch(TMath::Abs(PDG)) {
164 cutPID->GetNegCut()->SetParticleType(AliPID::kPion , kTRUE);
165 cutPID->GetPosCut()->SetParticleType(AliPID::kPion , kTRUE);
168 cutPID->GetNegCut()->SetParticleType(AliPID::kPion , kTRUE);
169 cutPID->GetPosCut()->SetParticleType(AliPID::kProton, kTRUE);
172 cutPID->GetNegCut()->SetParticleType(AliPID::kProton, kTRUE);
173 cutPID->GetPosCut()->SetParticleType(AliPID::kPion , kTRUE);
175 default : printf("UNDEFINED PID\n"); break;
178 Info("AliCFV0Task","CREATE MC KINE CUTS");
179 TObjArray* mcList = new TObjArray(0) ;
180 mcList->AddLast(mcKineCuts);
181 mcList->AddLast(mcGenCuts);
183 Info("AliCFV0Task","CREATE ACCEPTANCE CUTS");
184 TObjArray* accList = new TObjArray(0) ;
185 accList->AddLast(mcAccCuts);
187 Info("AliCFV0Task","CREATE RECONSTRUCTION CUTS");
188 TObjArray* recList = new TObjArray(0) ;
189 recList->AddLast(recKineCuts);
190 recList->AddLast(recQualityCuts);
191 recList->AddLast(recTopoCuts);
193 Info("AliCFV0Task","CREATE PID CUTS");
194 TObjArray* fPIDCutList = new TObjArray(0) ;
195 fPIDCutList->AddLast(cutPID);
198 //CREATE THE INTERFACE TO CORRECTION FRAMEWORK USED IN THE TASK
199 Info("AliCFV0Task","CREATE INTERFACE AND CUTS");
200 AliCFManager* man = new AliCFManager() ;
201 man->SetParticleContainer(container);
202 man->SetParticleCutsList (AliCFManager::kPartGenCuts,mcList);
203 man->SetParticleCutsList (AliCFManager::kPartAccCuts,accList);
204 man->SetParticleCutsList (AliCFManager::kPartRecCuts,recList);
205 man->SetParticleCutsList (AliCFManager::kPartSelCuts,fPIDCutList);
208 Info("AliCFV0Task","CREATE TASK");
210 AliCFV0Task *task = new AliCFV0Task("AliCFV0Task");
211 task->SetCFManager(man); //here is set the CF manager
212 if (!readAOD) task->SetRebuildV0s(kTRUE);
215 //SETUP THE ANALYSIS MANAGER TO READ INPUT CHAIN AND WRITE DESIRED OUTPUTS
216 Info("AliCFV0Task","CREATE ANALYSIS MANAGER");
217 // Make the analysis manager
218 AliAnalysisManager *mgr = new AliAnalysisManager("TestManager");
220 if (useGrid) mgr->SetAnalysisType(AliAnalysisManager::kGridAnalysis);
221 else mgr->SetAnalysisType(AliAnalysisManager::kLocalAnalysis);
223 AliMCEventHandler* mcHandler = new AliMCEventHandler();
224 mgr->SetMCtruthEventHandler(mcHandler);
226 AliInputEventHandler* dataHandler ;
228 if (readAOD) dataHandler = new AliAODInputHandler();
229 else dataHandler = new AliESDInputHandler();
230 mgr->SetInputEventHandler(dataHandler);
232 // Create and connect containers for input/output
235 AliAnalysisDataContainer *cinput0 =
236 mgr->CreateContainer("cchain0",TChain::Class(),AliAnalysisManager::kInputContainer);
237 //slot 0 : default output tree (by default handled by AliAnalysisTaskSE)
238 AliAnalysisDataContainer *coutput0 = mgr->CreateContainer("ctree0", TTree::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
239 // output histo (number of events processed)
240 AliAnalysisDataContainer *coutput1 =
241 mgr->CreateContainer("chist0", TH1I::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
242 // output Correction Framework Container (for acceptance & efficiency calculations)
243 AliAnalysisDataContainer *coutput2 =
244 mgr->CreateContainer("ccontainer0", AliCFContainer::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
246 cinput0->SetData(analysisChain);
249 mgr->ConnectInput (task,0,mgr->GetCommonInputContainer());
250 mgr->ConnectOutput(task,0,coutput0);
251 mgr->ConnectOutput(task,1,coutput1);
252 mgr->ConnectOutput(task,2,coutput2);
255 Info("AliCFV0Task","READY TO RUN");
257 if (mgr->InitAnalysis()) {
259 mgr->StartAnalysis("local",analysisChain);
262 benchmark.Stop("AliCFV0Task");
263 benchmark.Show("AliCFV0Task");
268 void Load(Bool_t useGrid) {
270 //load the required aliroot libraries
271 gSystem->Load("libANALYSIS") ;
272 gSystem->Load("libANALYSISalice") ;
273 gSystem->Load("libCORRFW.so") ;
275 //compile online the task class
276 gSystem->SetIncludePath("-I. -I$ALICE_ROOT/include -I$ROOTSYS/include");
277 gROOT->LoadMacro("./AliCFV0Task.cxx+");