AliPhysics  9c7580a (9c7580a)
AliAnalysisTaskEmcalJetEnergySpectrum.cxx
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27 #include <algorithm>
28 #include <array>
29 #include <sstream>
30 #include <string>
31 #include <vector>
32 
33 #include <THistManager.h>
34 #include <TLinearBinning.h>
35 
36 #include "AliAODInputHandler.h"
37 #include "AliAnalysisManager.h"
40 #include "AliEmcalJet.h"
43 #include "AliInputEventHandler.h"
44 #include "AliJetContainer.h"
45 #include "AliLog.h"
46 #include "AliVEvent.h"
47 
49 
50 using namespace EmcalTriggerJets;
51 
54  fHistos(nullptr),
55  fIsMC(false),
56  fTriggerSelectionBits(AliVEvent::kAny),
57  fTriggerSelectionString(""),
58  fNameTriggerDecisionContainer("EmcalTriggerDecision"),
59  fUseTriggerSelectionForData(false),
60  fUseDownscaleWeight(false),
61  fNameJetContainer("datajets")
62 {
63  SetUseAliAnaUtils(true);
64 }
65 
67  AliAnalysisTaskEmcalJet(name, true),
69  fIsMC(false),
70  fTriggerSelectionBits(AliVEvent::kAny),
72  fNameTriggerDecisionContainer("EmcalTriggerDecision"),
74  fUseDownscaleWeight(false),
75  fNameJetContainer("datajets")
76 {
77  SetUseAliAnaUtils(true);
78 }
79 
81  if(fHistos) delete fHistos;
82 }
83 
86 
87  TLinearBinning jetptbinning(200, 0., 200.), etabinning(100, -1., 1.), phibinning(100., 0., 7.), nefbinning(100, 0., 1.), trgclusterbinning(kTrgClusterN + 1, -0.5, kTrgClusterN -0.5);
88  const TBinning *binnings[5] = {&jetptbinning, &etabinning, &phibinning, &nefbinning, &trgclusterbinning};
89  fHistos = new THistManager(Form("Histos_%s", GetName()));
90  fHistos->CreateTH1("hEventCounter", "Event counter histogram", 1, 0.5, 1.5);
91  fHistos->CreateTH1("hClusterCounter", "Event counter histogram", kTrgClusterN, -0.5, kTrgClusterN - 0.5);
92  fHistos->CreateTHnSparse("hJetTHnSparse", "jet thnsparse", 5, binnings, "s");
93  fHistos->CreateTHnSparse("hMaxJetTHnSparse", "jet thnsparse", 5, binnings, "s");
94 
95  for(auto h : *fHistos->GetListOfHistograms()) fOutput->Add(h);
96  PostData(1, fOutput);
97 }
98 
100  auto datajets = this->GetJetContainer(fNameJetContainer);
101  if(!datajets) {
102  AliErrorStream() << "Jet container " << fNameJetContainer << " not found" << std::endl;
103  return false;
104  }
105  if(!TriggerSelection()) return false;
106 
107  auto trgclusters = GetTriggerClusterIndices(fInputEvent->GetFiredTriggerClasses());
108  fHistos->FillTH1("hEventCounter", 1);
109  AliEmcalJet *maxjet(nullptr);
110  for(auto t : trgclusters) fHistos->FillTH1("hClusterCounter", t);
111  for(auto j : datajets->accepted()){
112  if(!maxjet || (j->E() > maxjet->E())) maxjet = j;
113  double datapoint[5] = {j->Pt(), j->Eta(), j->Phi(), j->NEF(), 0.};
114  for(auto t : trgclusters){
115  datapoint[4] = static_cast<double>(t);
116  fHistos->FillTHnSparse("hJetTHnSparse", datapoint);
117  }
118  }
119 
120  double maxdata[5];
121  memset(maxdata, 0., sizeof(double) * 5);
122  if(maxjet){
123  maxdata[0] = maxjet->Pt();
124  maxdata[1] = maxjet->Eta();
125  maxdata[2] = maxjet->Phi();
126  maxdata[3] = maxjet->NEF();
127  for(auto t : trgclusters){
128  maxdata[4] = static_cast<double>(t);
129  fHistos->FillTHnSparse("hMaxJetTHnSparse", maxdata);
130  }
131  }
132  return true;
133 }
134 
135 std::vector<AliAnalysisTaskEmcalJetEnergySpectrum::TriggerCluster_t> AliAnalysisTaskEmcalJetEnergySpectrum::GetTriggerClusterIndices(const TString &triggerstring) const {
136  // decode trigger string in order to determine the trigger clusters
137  std::vector<TriggerCluster_t> result;
138  result.emplace_back(kTrgClusterANY); // cluster ANY always included
139  if(!fIsMC){
140  // Data - separate trigger clusters
141  std::vector<std::string> clusternames;
142  auto triggerinfos = PWG::EMCAL::Triggerinfo::DecodeTriggerString(triggerstring.Data());
143  for(auto t : triggerinfos) {
144  if(std::find(clusternames.begin(), clusternames.end(), t.Triggercluster()) == clusternames.end()) clusternames.emplace_back(t.Triggercluster());
145  }
146  bool isCENT = (std::find(clusternames.begin(), clusternames.end(), "CENT") != clusternames.end()),
147  isCENTNOTRD = (std::find(clusternames.begin(), clusternames.end(), "CENTNOTRD") != clusternames.end()),
148  isCALO = (std::find(clusternames.begin(), clusternames.end(), "CALO") != clusternames.end()),
149  isCALOFAST = (std::find(clusternames.begin(), clusternames.end(), "CALOFAST") != clusternames.end());
150  if(isCENT || isCENTNOTRD) {
151  if(isCENT) {
152  result.emplace_back(kTrgClusterCENT);
153  if(isCENTNOTRD) {
154  result.emplace_back(kTrgClusterCENTNOTRD);
155  result.emplace_back(kTrgClusterCENTBOTH);
156  } else result.emplace_back(kTrgClusterOnlyCENT);
157  } else {
158  result.emplace_back(kTrgClusterCENTNOTRD);
159  result.emplace_back(kTrgClusterOnlyCENTNOTRD);
160  }
161  }
162  if(isCALO || isCALOFAST) {
163  if(isCALO) {
164  result.emplace_back(kTrgClusterCALO);
165  if(isCALOFAST) {
166  result.emplace_back(kTrgClusterCALOFAST);
167  result.emplace_back(kTrgClusterCALOBOTH);
168  } else result.emplace_back(kTrgClusterOnlyCALO);
169  } else {
170  result.emplace_back(kTrgClusterCALOFAST);
171  result.emplace_back(kTrgClusterOnlyCALOFAST);
172  }
173  }
174  }
175  return result;
176 }
177 
179  if(!fIsMC){
180  // Pure data - do EMCAL trigger selection from selection string
181  if(!(fInputHandler->IsEventSelected() & fTriggerSelectionBits)) return false;
182  if(fTriggerSelectionString.Length()) {
183  if(!fInputEvent->GetFiredTriggerClasses().Contains(fTriggerSelectionString)) return false;
185  auto trgselresult = static_cast<PWG::EMCAL::AliEmcalTriggerDecisionContainer *>(fInputEvent->FindListObject(fNameTriggerDecisionContainer));
186  AliDebugStream(1) << "Found trigger decision object: " << (trgselresult ? "yes" : "no") << std::endl;
187  if(!trgselresult){
188  AliErrorStream() << "Trigger decision container with name " << fNameTriggerDecisionContainer << " not found in event - not possible to select EMCAL triggers" << std::endl;
189  return false;
190  }
191  if(!trgselresult->IsEventSelected(fTriggerSelectionString)) return false;
192  }
193  }
194  } else {
196  // Simulation - do EMCAL trigger selection from trigger selection object
197  auto mctrigger = static_cast<PWG::EMCAL::AliEmcalTriggerDecisionContainer *>(fInputEvent->FindListObject(fNameTriggerDecisionContainer));
198  AliDebugStream(1) << "Found trigger decision object: " << (mctrigger ? "yes" : "no") << std::endl;
199  if(!mctrigger){
200  AliErrorStream() << "Trigger decision container with name " << fNameTriggerDecisionContainer << " not found in event - not possible to select EMCAL triggers" << std::endl;
201  return false;
202  }
203  if(!mctrigger->IsEventSelected(fTriggerSelectionString)) return false;
204  }
205  }
206  return true;
207 }
208 
209 bool AliAnalysisTaskEmcalJetEnergySpectrum::IsSelectEmcalTriggers(const std::string &triggerstring) const {
210  const std::array<std::string, 8> kEMCALTriggers = {
211  "EJ1", "EJ2", "DJ1", "DJ2", "EG1", "EG2", "DG1", "DG2"
212  };
213  bool isEMCAL = false;
214  for(auto emcaltrg : kEMCALTriggers) {
215  if(triggerstring.find(emcaltrg) != std::string::npos) {
216  isEMCAL = true;
217  break;
218  }
219  }
220  return isEMCAL;
221 }
222 
223 
225  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
226  if(!mgr) {
227  std::cerr << "Analysis manager not initialized" << std::endl;
228  return nullptr;
229  }
230 
231  Bool_t isAOD(kFALSE);
232  AliInputEventHandler *inputhandler = static_cast<AliInputEventHandler *>(mgr->GetInputEventHandler());
233  if(inputhandler) {
234  if(inputhandler->IsA() == AliAODInputHandler::Class()){
235  std::cout << "Analysing AOD events\n";
236  isAOD = kTRUE;
237  } else {
238  std::cout << "Analysing ESD events\n";
239  }
240  }
241 
242  std::string jettypestring;
244  switch(jettype){
245  case AliJetContainer::kChargedJet: jettypestring = "ChargedJets"; acctype = AliJetContainer::kTPCfid; break;
246  case AliJetContainer::kFullJet: jettypestring = "FullJets"; acctype = AliJetContainer::kEMCALfid; break;
247  case AliJetContainer::kNeutralJet: jettypestring = "NeutralJets"; acctype = AliJetContainer::kEMCALfid; break;
248  };
249 
250  std::stringstream tag, outfilename;
251  tag << jettypestring << "_R" << std::setw(2) << std::setfill('0') << int(radius * 10.) << "_" << trigger;
252  if(strlen(suffix)) {
253  tag << "_" << suffix;
254  }
255  auto task = new AliAnalysisTaskEmcalJetEnergySpectrum(Form("JetEnergySpectrum_%s", tag.str().data()));
256  task->SetIsMC(isMC);
257  mgr->AddTask(task);
258 
259  auto contains = [](const std::string &str, const std::string &test) {
260  return str.find(test) != std::string::npos;
261  };
262 
263  std::string trgstr(trigger);
264  if(contains(trgstr, "INT7")) task->SetTriggerSelection(AliVEvent::kINT7, "INT7");
265  else if(contains(trgstr, "EJ1")) task->SetTriggerSelection(AliVEvent::kEMCEJE, "EJ1");
266  else if(contains(trgstr, "EJ2")) task->SetTriggerSelection(AliVEvent::kEMCEJE, "EJ2");
267  else if(contains(trgstr, "EG1")) task->SetTriggerSelection(AliVEvent::kEMCEGA, "EG1");
268  else if(contains(trgstr, "EG2")) task->SetTriggerSelection(AliVEvent::kEMCEGA, "EG2");
269 
270  // Connect particle and cluster container
271  AliTrackContainer *tracks(nullptr);
272  AliClusterContainer *clusters(nullptr);
273  if(jettype == AliJetContainer::kChargedJet || jettype == AliJetContainer::kFullJet) {
275  tracks->SetMinPt(0.15);
276  }
277  if(jettype == AliJetContainer::kNeutralJet || jettype == AliJetContainer::kFullJet){
278  clusters = task->AddClusterContainer(EMCalTriggerPtAnalysis::AliEmcalAnalysisFactory::ClusterContainerNameFactory(isAOD));
279  clusters->SetDefaultClusterEnergy(AliVCluster::kHadCorr);
280  clusters->SetClusHadCorrEnergyCut(0.3);
281  }
282 
283 
284  // Create proper jet container
285  auto jetcont = task->AddJetContainer(jettype, AliJetContainer::antikt_algorithm, AliJetContainer::E_scheme, radius, acctype, tracks, clusters);
286  jetcont->SetName("datajets");
287  task->SetNameJetContainer("datajets");
288  std::cout << "Adding jet container with underlying array:" << jetcont->GetArrayName() << std::endl;
289 
290  // Link input and output container
291  outfilename << mgr->GetCommonFileName() << ":JetSpectrum_" << tag.str().data();
292  mgr->ConnectInput(task, 0, mgr->GetCommonInputContainer());
293  mgr->ConnectOutput(task, 1, mgr->CreateContainer(Form("JetSpectrum_%s", tag.str().data()), TList::Class(), AliAnalysisManager::kOutputContainer, outfilename.str().data()));
294 
295  return task;
296 }
EMCal fiducial acceptance (each eta, phi edge narrowed by jet R)
Class creating a linear binning, used in the histogram manager.
AliJetContainer * GetJetContainer(Int_t i=0) const
Double_t Eta() const
Definition: AliEmcalJet.h:121
Double_t Phi() const
Definition: AliEmcalJet.h:117
Container with name, TClonesArray and cuts for particles.
void SetUseAliAnaUtils(Bool_t b, Bool_t bRejPilup=kTRUE)
static AliAnalysisTaskEmcalJetEnergySpectrum * AddTaskJetEnergySpectrum(Bool_t isMC, AliJetContainer::EJetType_t jettype, double radius, const char *trigger, const char *suffix="")
std::vector< TriggerCluster_t > GetTriggerClusterIndices(const TString &triggerstring) const
Double_t E() const
Definition: AliEmcalJet.h:119
Interface for binnings used by the histogram handler.
Definition: TBinning.h:21
static std::vector< PWG::EMCAL::Triggerinfo > DecodeTriggerString(const std::string &triggerstring)
Decoding trigger string.
void FillTHnSparse(const char *name, const double *x, double weight=1., Option_t *opt="")
virtual bool Run()
Run function. This is the core function of the analysis and contains the user code. Therefore users have to implement this function.
unsigned int UInt_t
Definition: External.C:33
THashList * GetListOfHistograms() const
Get the list of histograms.
Definition: THistManager.h:671
TH1 * CreateTH1(const char *name, const char *title, int nbins, double xmin, double xmax, Option_t *opt="")
Create a new TH1 within the container.
TPC fiducial acceptance (each eta edge narrowed by jet R)
void FillTH1(const char *hname, double x, double weight=1., Option_t *opt="")
Fill a 1D histogram within the container.
Double_t Pt() const
Definition: AliEmcalJet.h:109
Bool_t fUseTriggerSelectionForData
Use trigger selection on data (require trigger patch in addition to trigger selection string) ...
Bool_t isMC
AliEmcalList * fOutput
!output list
Base task in the EMCAL jet framework.
Represent a jet reconstructed using the EMCal jet framework.
Definition: AliEmcalJet.h:51
Container class for histograms.
Definition: THistManager.h:99
void test(int runnumber=195345)
void UserCreateOutputObjects()
Main initialization function on the worker.
bool Bool_t
Definition: External.C:53
Double_t NEF() const
Definition: AliEmcalJet.h:148
void SetDefaultClusterEnergy(Int_t d)
THnSparse * CreateTHnSparse(const char *name, const char *title, int ndim, const int *nbins, const double *min, const double *max, Option_t *opt="")
Create a new THnSparse within the container.
Container structure for EMCAL clusters.
void SetClusHadCorrEnergyCut(Double_t cut)
static TString ClusterContainerNameFactory(Bool_t isAOD)
Get name of the default cluster container.
static TString TrackContainerNameFactory(Bool_t isAOD)
Get name of the default track container.