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 char * kTagXMLFile="wn.xml", // XML file containing tags
22 benchmark.Start("AliSingleTrackTask");
24 AliLog::SetGlobalDebugLevel(0);
26 Load(useGrid) ; //load the required libraries
28 AliLog::SetGlobalDebugLevel(0);
30 TChain * analysisChain ;
32 if (useGrid) { //data located on AliEn
33 TGrid::Connect("alien://") ;
34 // Create an AliRunTagCuts and an AliEventTagCuts Object and impose some selection criteria
35 AliRunTagCuts *runCuts = new AliRunTagCuts();
36 AliEventTagCuts *eventCuts = new AliEventTagCuts();
37 AliLHCTagCuts *lhcCuts = new AliLHCTagCuts();
38 AliDetectorTagCuts *detCuts = new AliDetectorTagCuts();
39 eventCuts->SetMultiplicityRange(0,20000);
40 // Create an AliTagAnalysis Object and chain the tags
41 AliTagAnalysis *tagAna = new AliTagAnalysis();
42 tagAna->SetType("ESD"); //for aliroot > v4-05
43 TAlienCollection *coll = TAlienCollection::Open(kTagXMLFile);
44 TGridResult *tagResult = coll->GetGridResult("",0,0);
46 tagAna->ChainGridTags(tagResult);
47 // Create a new esd chain and assign the chain that is returned by querying the tags
48 analysisChain = tagAna->QueryTags(runCuts,lhcCuts,detCuts,eventCuts);
51 analysisChain = new TChain("esdTree");
52 //here put your input data path
53 analysisChain->Add("AliESDs.root");
57 Info("AliCFV0Task",Form("CHAIN HAS %d ENTRIES",(Int_t)analysisChain->GetEntries()));
59 //CONTAINER DEFINITION
60 Info("AliCFV0Task","SETUP CONTAINER");
61 //the sensitive variables, their indices
64 //Setting up the container grid...
65 Int_t nstep = 4 ; //number of selection steps MC
66 const Int_t nvar = 2 ; //number of variables on the grid:pt,y,phi,vtx
67 const Int_t nbin1 = 8 ; //bins in pt
68 const Int_t nbin2 = 8 ; //bins in y
69 //arrays for the number of bins in each dimension
70 const Int_t iBin[nvar] ={nbin1,nbin2};
71 //arrays for lower bounds :
72 Double_t binLim1[nbin1+1];
73 Double_t binLim2[nbin2+1];
74 //values for bin lower bounds
75 for(Int_t i=0; i<=nbin1; i++) binLim1[i]=ptmin + (ptmax-ptmin)/nbin1*(Double_t)i ;
76 for(Int_t i=0; i<=nbin2; i++) binLim2[i]=ymin + (ymax-ymin) /nbin2*(Double_t)i ;
77 //one "container" for MC
78 AliCFContainer* container = new AliCFContainer("container","container for V0s",nstep,nvar,iBin);
79 //setting the bin limits
80 container -> SetBinLimits(ipt,binLim1);
81 container -> SetBinLimits(iy,binLim2);
84 //CREATE THE CUTS -----------------------------------------------
86 // Gen-Level kinematic cuts
87 AliCFTrackKineCuts *mcKineCuts = new AliCFTrackKineCuts("mcKineCuts","MC-level kinematic cuts");
88 mcKineCuts->SetPtRange(ptmin,ptmax);
89 mcKineCuts->SetRapidityRange(ymin,ymax);
90 mcKineCuts->SetChargeMC(0);
92 AliCFParticleGenCuts* mcGenCuts = new AliCFParticleGenCuts("mcGenCuts","MC particle generation cuts");
93 //mcGenCuts->SetRequireIsPrimary(); //problem with some particles...
94 mcGenCuts->SetRequirePdgCode(PDG);
97 AliCFPairAcceptanceCuts *mcAccCuts = new AliCFPairAcceptanceCuts("mcAccCuts","MC acceptance cuts for V0");
98 mcAccCuts->SetMinNHitITS(mintrackrefsITS,mintrackrefsITS);
99 mcAccCuts->SetMinNHitTPC(mintrackrefsTPC,mintrackrefsTPC);
101 // Rec-Level kinematic cuts
102 AliCFTrackKineCuts *recKineCuts = new AliCFTrackKineCuts("recKineCuts","V0 rec-level kine cuts");
103 recKineCuts->SetPtRange(ptmin,ptmax);
104 recKineCuts->SetRapidityRange(ymin,ymax);
105 recKineCuts->SetChargeRec(0);
107 AliCFPairQualityCuts *recQualityCuts = new AliCFPairQualityCuts("recQualityCuts","V0 rec-level quality cuts");
108 recQualityCuts->SetMinNClusterTPC(minclustersTPC,minclustersTPC);
110 AliCFV0TopoCuts *recTopoCuts = new AliCFV0TopoCuts("recTopoCuts","V0 Topological Cuts");
111 recTopoCuts->SetMaxDcaDaughters(0.1);
112 recTopoCuts->SetMinCosPointAngle(0.995);
113 recTopoCuts->SetMinDcaNeg(0.1);
114 recTopoCuts->SetMinDcaPos(0.1);
117 AliCFPairPidCut* cutPID = new AliCFPairPidCut("cutPID","ESD_PID") ;
118 Double_t prior_pp[AliPID::kSPECIES] = {0.0244519,
124 Double_t prior_pbpb[AliPID::kSPECIES] = {0.0609,
129 cutPID->SetPriors(prior_pbpb);
130 cutPID->SetDetectors("ITS TPC TRD","ITS TPC TRD");
131 cutPID->SetProbabilityCut(0,0);
132 switch(TMath::Abs(PDG)) {
133 case 310 : cutPID->SetParticleType(AliPID::kPion , kTRUE, AliPID::kPion , kTRUE); break;
134 case 3122 : cutPID->SetParticleType(AliPID::kPion , kTRUE, AliPID::kProton, kTRUE); break;
135 case -3122 : cutPID->SetParticleType(AliPID::kProton, kTRUE, AliPID::kPion , kTRUE); break;
136 default : printf("UNDEFINED PID\n"); break;
139 Info("AliCFV0Task","CREATE MC KINE CUTS");
140 TObjArray* mcList = new TObjArray(0) ;
141 mcList->AddLast(mcKineCuts);
142 mcList->AddLast(mcGenCuts);
144 Info("AliCFV0Task","CREATE ACCEPTANCE CUTS");
145 TObjArray* accList = new TObjArray(0) ;
146 accList->AddLast(mcAccCuts);
148 Info("AliCFV0Task","CREATE RECONSTRUCTION CUTS");
149 TObjArray* recList = new TObjArray(0) ;
150 recList->AddLast(recKineCuts);
151 recList->AddLast(recQualityCuts);
152 recList->AddLast(recTopoCuts);
154 Info("AliCFV0Task","CREATE PID CUTS");
155 TObjArray* fPIDCutList = new TObjArray(0) ;
156 fPIDCutList->AddLast(cutPID);
159 //CREATE THE INTERFACE TO CORRECTION FRAMEWORK USED IN THE TASK
160 Info("AliCFV0Task","CREATE INTERFACE AND CUTS");
161 AliCFManager* man = new AliCFManager() ;
162 man->SetParticleContainer(container);
163 man->SetParticleCutsList (AliCFManager::kPartGenCuts,mcList);
164 man->SetParticleCutsList (AliCFManager::kPartAccCuts,accList);
165 man->SetParticleCutsList (AliCFManager::kPartRecCuts,recList);
166 man->SetParticleCutsList (AliCFManager::kPartSelCuts,fPIDCutList);
169 Info("AliCFV0Task","CREATE TASK");
171 AliCFV0Task *task = new AliCFV0Task("AliCFV0Task");
172 task->SetCFManager(man); //here is set the CF manager
173 task->SetRebuildV0s(kTRUE);
176 //SETUP THE ANALYSIS MANAGER TO READ INPUT CHAIN AND WRITE DESIRED OUTPUTS
177 Info("AliCFV0Task","CREATE ANALYSIS MANAGER");
178 // Make the analysis manager
179 AliAnalysisManager *mgr = new AliAnalysisManager("TestManager");
181 if (useGrid) mgr->SetAnalysisType(AliAnalysisManager::kGridAnalysis);
182 else mgr->SetAnalysisType(AliAnalysisManager::kLocalAnalysis);
184 AliMCEventHandler* mcHandler = new AliMCEventHandler();
185 AliESDInputHandler* esdHandler = new AliESDInputHandler();
186 mgr->SetMCtruthEventHandler(mcHandler);
187 mgr->SetInputEventHandler(esdHandler);
190 // Create and connect containers for input/output
193 AliAnalysisDataContainer *cinput0 =
194 mgr->CreateContainer("cchain0",TChain::Class(),AliAnalysisManager::kInputContainer);
195 //slot 0 : default output tree (by default handled by AliAnalysisTaskSE)
196 AliAnalysisDataContainer *coutput0 = mgr->CreateContainer("ctree0", TTree::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
197 // output histo (number of events processed)
198 AliAnalysisDataContainer *coutput1 =
199 mgr->CreateContainer("chist0", TH1I::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
200 // output Correction Framework Container (for acceptance & efficiency calculations)
201 AliAnalysisDataContainer *coutput2 =
202 mgr->CreateContainer("ccontainer0", AliCFContainer::Class(),AliAnalysisManager::kOutputContainer,"outputV0.root");
204 cinput0->SetData(analysisChain);
207 mgr->ConnectInput (task,0,cinput0 );
208 mgr->ConnectOutput(task,0,coutput0);
209 mgr->ConnectOutput(task,1,coutput1);
210 mgr->ConnectOutput(task,2,coutput2);
213 Info("AliCFV0Task","READY TO RUN");
215 if (mgr->InitAnalysis()) {
217 mgr->StartAnalysis("local",analysisChain);
220 benchmark.Stop("AliCFV0Task");
221 benchmark.Show("AliCFV0Task");
226 void Load(Bool_t useGrid) {
227 //remove this file which can cause problems
229 gSystem->Exec("rm $ALICE_ROOT/ANALYSIS/AliAnalysisSelector_cxx.so");
231 //load the required aliroot libraries
232 gSystem->Load("libANALYSIS") ;
233 gSystem->Load("libANALYSISalice") ;
235 gSystem->SetIncludePath("-I. -I$ALICE_ROOT/include -I$ROOTSYS/include -I$ALICE_ROOT/PWG2/RESONANCES -I$ALICE_ROOT/CORRFW");
238 //load local CF library
239 gSystem->Load("libCORRFW");
242 //compile online the task class
243 gSystem->Exec("tar zxvf cf_classes.tgz");
244 gROOT->LoadMacro("./AliCFFrame.cxx+");
245 gROOT->LoadMacro("./AliCFVGrid.cxx+");
246 gROOT->LoadMacro("./AliCFGrid.cxx+");
247 gROOT->LoadMacro("./AliCFGridSparse.cxx+");
248 gROOT->LoadMacro("./AliCFContainer.cxx+");
249 gROOT->LoadMacro("./AliCFCutBase.cxx+");
250 gROOT->LoadMacro("./AliCFTrackKineCuts.cxx+");
251 gROOT->LoadMacro("./AliCFTrackQualityCuts.cxx+");
252 gROOT->LoadMacro("./AliCFParticleGenCuts.cxx+");
253 gROOT->LoadMacro("./AliCFAcceptanceCuts.cxx+");
254 gROOT->LoadMacro("./AliCFTrackCutPid.cxx+");
255 gROOT->LoadMacro("./AliCFManager.cxx+");
256 gSystem->Exec("tar zxvf cf_V0.tgz");
257 gROOT->LoadMacro("./AliCFPair.cxx+");
258 gROOT->LoadMacro("./AliCFPairAcceptanceCuts.cxx+");
259 gROOT->LoadMacro("./AliCFPairQualityCuts.cxx+");
260 gROOT->LoadMacro("./AliCFPairPidCut.cxx+");
261 gROOT->LoadMacro("./AliCFV0TopoCuts.cxx+");
263 gROOT->LoadMacro("./AliCFV0Task.cxx+");