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1 | // | |
2 | // Class AliRsnAnalysisSE | |
3 | // | |
4 | // Virtual Class derivated from AliRsnVAnalysisTaskSE which will be base class | |
5 | // for all RSN SE tasks | |
6 | // | |
7 | // authors: Martin Vala (martin.vala@cern.ch) | |
8 | // Alberto Pulvirenti (alberto.pulvirenti@ct.infn.it) | |
9 | // | |
10 | ||
11 | #include <Riostream.h> | |
12 | #include <TList.h> | |
13 | #include "AliESDEvent.h" | |
14 | #include "AliMCEvent.h" | |
15 | #include "AliAODEvent.h" | |
16 | ||
17 | #include "AliRsnCutSet.h" | |
18 | #include "AliRsnVATProcessInfo.h" | |
19 | #include "AliRsnAnalysisSE.h" | |
20 | ||
21 | ClassImp(AliRsnAnalysisSE) | |
22 | ||
23 | //_____________________________________________________________________________ | |
24 | AliRsnAnalysisSE::AliRsnAnalysisSE(const char *name, Bool_t useKine) : | |
25 | AliRsnVAnalysisTaskSE(name, useKine), | |
26 | fRsnAnalysisManager(), | |
27 | fEventCuts("eventCuts", AliRsnCut::kEvent), | |
28 | fOutList(0x0), | |
29 | fZeroEventPercentWarning(100), | |
30 | fUseZeroEventWarning(kTRUE) | |
31 | { | |
32 | // | |
33 | // Default constructor. | |
34 | // Defines another output slot for histograms/ntuples | |
35 | // | |
36 | ||
37 | DefineOutput(2, TList::Class()); | |
38 | } | |
39 | ||
40 | //_____________________________________________________________________________ | |
41 | AliRsnAnalysisSE::AliRsnAnalysisSE(const AliRsnAnalysisSE& copy) : | |
42 | AliRsnVAnalysisTaskSE(copy), | |
43 | fRsnAnalysisManager(copy.fRsnAnalysisManager), | |
44 | fEventCuts(copy.fEventCuts), | |
45 | fOutList(0x0), | |
46 | fZeroEventPercentWarning(copy.fZeroEventPercentWarning), | |
47 | fUseZeroEventWarning(copy.fUseZeroEventWarning) | |
48 | { | |
49 | // | |
50 | // Copy constructor. | |
51 | // | |
52 | } | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliRsnAnalysisSE& AliRsnAnalysisSE::operator=(const AliRsnAnalysisSE& copy) | |
56 | { | |
57 | // | |
58 | // Assigment operator. | |
59 | // | |
60 | ||
61 | AliRsnVAnalysisTaskSE::operator=(copy); | |
62 | ||
63 | fRsnAnalysisManager = copy.fRsnAnalysisManager; | |
64 | fEventCuts = copy.fEventCuts; | |
65 | if (fOutList) fOutList->Clear(); | |
66 | fZeroEventPercentWarning = copy.fZeroEventPercentWarning; | |
67 | fUseZeroEventWarning = copy.fUseZeroEventWarning; | |
68 | ||
69 | return (*this); | |
70 | } | |
71 | ||
72 | //_____________________________________________________________________________ | |
73 | void AliRsnAnalysisSE::RsnUserCreateOutputObjects() | |
74 | { | |
75 | // | |
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. | |
80 | // | |
81 | ||
82 | if (!fOutList) fOutList = new TList; | |
83 | fOutList->Clear(); | |
84 | ||
85 | fRsnAnalysisManager.InitAllPairs(fOutList); | |
86 | ||
87 | PostData(2, fOutList); | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | void AliRsnAnalysisSE::RsnUserExec(Option_t*) | |
92 | { | |
93 | // | |
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. | |
97 | // | |
98 | ||
99 | fRsnAnalysisManager.ProcessAll(fMCOnly); | |
100 | ||
101 | PostData(2, fOutList); | |
102 | } | |
103 | ||
104 | //_____________________________________________________________________________ | |
105 | void AliRsnAnalysisSE::RsnTerminate(Option_t*) | |
106 | { | |
107 | // | |
108 | // Termination. | |
109 | // Could be added some monitor histograms here. | |
110 | // | |
111 | } | |
112 | ||
113 | //______________________________________________________________________________ | |
114 | Bool_t AliRsnAnalysisSE::EventProcess() | |
115 | { | |
116 | // | |
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 | |
122 | // | |
123 | ||
124 | // initially, an event is expected to be bad | |
125 | fTaskInfo.SetEventUsed(kFALSE); | |
126 | ||
127 | // check #1: number of tracks in event (reject empty events) | |
128 | Int_t ntracks = fRsnEvent.GetMultiplicity(); | |
129 | Double_t zeroEventPercent = 0.0; | |
130 | if (ntracks < 1) { | |
131 | // if using the checker for amount of empty events, update it | |
132 | if (fUseZeroEventWarning) { | |
133 | TH1I *hist = (TH1I*)fInfoList->FindObject(fTaskInfo.GetEventHistogramName()); | |
134 | if (hist) { | |
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)); | |
138 | } | |
139 | } | |
140 | ||
141 | // empty events are rejected by default | |
142 | fTaskInfo.SetEventUsed(kFALSE); | |
143 | AliDebug(AliLog::kDebug, "Empty event. Skipping..."); | |
144 | return kFALSE; | |
145 | } | |
146 | ||
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); | |
151 | return kFALSE; | |
152 | } | |
153 | ||
154 | // if we reach this point, cuts were passed; | |
155 | // then additional operations can be done | |
156 | ||
157 | // find leading particle (without any PID/momentum restriction) | |
158 | fRsnEvent.SelectLeadingParticle(0); | |
159 | ||
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(); | |
164 | } |