2 // Class AliRsnAnalysisSE
4 // Virtual Class derivated from AliRsnVAnalysisTaskSE which will be base class
5 // for all RSN SE tasks
7 // authors: Martin Vala (martin.vala@cern.ch)
8 // Alberto Pulvirenti (alberto.pulvirenti@ct.infn.it)
11 #include <Riostream.h>
13 #include "AliESDEvent.h"
14 #include "AliMCEvent.h"
15 #include "AliAODEvent.h"
17 #include "AliRsnCutSet.h"
18 #include "AliRsnVATProcessInfo.h"
19 #include "AliRsnAnalysisSE.h"
21 ClassImp(AliRsnAnalysisSE)
23 //_____________________________________________________________________________
24 AliRsnAnalysisSE::AliRsnAnalysisSE(const char *name, Bool_t useKine) :
25 AliRsnVAnalysisTaskSE(name, useKine),
26 fRsnAnalysisManager(),
27 fEventCuts("eventCuts", AliRsnCut::kEvent),
29 fZeroEventPercentWarning(100),
30 fUseZeroEventWarning(kTRUE)
33 // Default constructor.
34 // Defines another output slot for histograms/ntuples
37 DefineOutput(2, TList::Class());
40 //_____________________________________________________________________________
41 AliRsnAnalysisSE::AliRsnAnalysisSE(const AliRsnAnalysisSE& copy) :
42 AliRsnVAnalysisTaskSE(copy),
43 fRsnAnalysisManager(copy.fRsnAnalysisManager),
44 fEventCuts(copy.fEventCuts),
46 fZeroEventPercentWarning(copy.fZeroEventPercentWarning),
47 fUseZeroEventWarning(copy.fUseZeroEventWarning)
54 //_____________________________________________________________________________
55 AliRsnAnalysisSE& AliRsnAnalysisSE::operator=(const AliRsnAnalysisSE& copy)
58 // Assigment operator.
61 AliRsnVAnalysisTaskSE::operator=(copy);
63 fRsnAnalysisManager = copy.fRsnAnalysisManager;
64 fEventCuts = copy.fEventCuts;
65 if (fOutList) fOutList->Clear();
66 fZeroEventPercentWarning = copy.fZeroEventPercentWarning;
67 fUseZeroEventWarning = copy.fUseZeroEventWarning;
72 //_____________________________________________________________________________
73 void AliRsnAnalysisSE::RsnUserCreateOutputObjects()
76 // Creation of output objects.
77 // These are created through the utility methods in the analysis manager,
78 // which asks all the AliRsnPair objects to initialize their output which
79 // is then linked to the TList data member of this, which will contain all the output.
82 if (!fOutList) fOutList = new TList;
85 fRsnAnalysisManager.InitAllPairs(fOutList);
87 PostData(2, fOutList);
90 //_____________________________________________________________________________
91 void AliRsnAnalysisSE::RsnUserExec(Option_t*)
94 // Execution of the analysis task.
95 // Recovers the input event and processes it with all included pair objects,
96 // using 'reconstructed' or 'MonteCarlo' functions depending on MC-only flag.
99 fRsnAnalysisManager.ProcessAll(fMCOnly);
101 PostData(2, fOutList);
104 //_____________________________________________________________________________
105 void AliRsnAnalysisSE::RsnTerminate(Option_t*)
109 // Could be added some monitor histograms here.
113 //______________________________________________________________________________
114 Bool_t AliRsnAnalysisSE::EventProcess()
117 // Customized event pre-processing.
118 // First checks if the current event passes all cuts,
119 // and if it does, updates the informations and then
120 // call the operations which are already defined in the
121 // omonyme function in mother class
124 // initially, an event is expected to be bad
125 fTaskInfo.SetEventUsed(kFALSE);
127 // check #1: number of tracks in event (reject empty events)
128 Int_t ntracks = fRsnEvent.GetMultiplicity();
129 Double_t zeroEventPercent = 0.0;
131 // if using the checker for amount of empty events, update it
132 if (fUseZeroEventWarning) {
133 TH1I *hist = (TH1I*)fInfoList->FindObject(fTaskInfo.GetEventHistogramName());
135 if (hist->Integral() > 1) zeroEventPercent = (Double_t)hist->GetBinContent(1) / hist->Integral() * 100;
136 if ((zeroEventPercent > fZeroEventPercentWarning) && (fEntry > 100))
137 AliWarning(Form("%3.2f%% Events are with zero tracks (CurrentEvent=%d)!!!", zeroEventPercent, fEntry));
141 // empty events are rejected by default
142 fTaskInfo.SetEventUsed(kFALSE);
143 AliDebug(AliLog::kDebug, "Empty event. Skipping...");
147 // check the event cuts and update the info data accordingly
148 // events not passing the cuts must be rejected
149 if (!fEventCuts.IsSelected(&fRsnEvent)) {
150 fTaskInfo.SetEventUsed(kFALSE);
154 // if we reach this point, cuts were passed;
155 // then additional operations can be done
157 // find leading particle (without any PID/momentum restriction)
158 fRsnEvent.SelectLeadingParticle(0);
160 // final return value is positive
161 // but call the mother class method which updates info object
162 fTaskInfo.SetEventUsed(kTRUE);
163 return AliRsnVAnalysisTaskSE::EventProcess();