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edc6be66 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | /* | |
16 | * Analysis component for tracks in jets of MC particles where the jet has a given | |
17 | * minimum pt | |
18 | * | |
19 | * Author: Markus Fasel | |
20 | */ | |
21 | #include <string> | |
22 | #include <vector> | |
23 | ||
24 | #include <TMath.h> | |
25 | #include <TString.h> | |
26 | ||
5f95099b | 27 | #include "AliAODMCParticle.h" |
edc6be66 | 28 | #include "AliEmcalJet.h" |
29 | #include "AliJetContainer.h" | |
5f95099b | 30 | #include "AliLog.h" |
edc6be66 | 31 | #include "AliMCParticle.h" |
32 | #include "AliMCEvent.h" | |
33 | #include "AliParticleContainer.h" | |
34 | #include "AliVEvent.h" | |
35 | #include "AliVParticle.h" | |
36 | #include "AliVVertex.h" | |
37 | ||
38 | #include "AliEMCalHistoContainer.h" | |
39 | #include "AliEMCalTriggerAnaTriggerDecision.h" | |
40 | #include "AliEMCalTriggerBinningComponent.h" | |
41 | #include "AliEMCalTriggerKineCuts.h" | |
42 | #include "AliEMCalTriggerEventData.h" | |
43 | #include "AliEMCalTriggerMCJetAnalysisComponent.h" | |
44 | ||
45 | ClassImp(EMCalTriggerPtAnalysis::AliEMCalTriggerMCJetAnalysisComponent) | |
46 | ||
47 | namespace EMCalTriggerPtAnalysis { | |
48 | ||
49 | //______________________________________________________________________________ | |
50 | AliEMCalTriggerMCJetAnalysisComponent::AliEMCalTriggerMCJetAnalysisComponent(): | |
51 | AliEMCalTriggerTracksAnalysisComponent(), | |
52 | fMinimumJetPt(20.), | |
53 | fUsePatches(kFALSE) | |
54 | { | |
55 | /* | |
56 | * Dummy (I/O) constructor, not to be used | |
57 | */ | |
58 | } | |
59 | ||
60 | //______________________________________________________________________________ | |
61 | AliEMCalTriggerMCJetAnalysisComponent::AliEMCalTriggerMCJetAnalysisComponent(const char* name) : | |
62 | AliEMCalTriggerTracksAnalysisComponent(name), | |
63 | fMinimumJetPt(20.), | |
64 | fUsePatches(kFALSE) | |
65 | { | |
66 | /* | |
67 | * Main constructor, to be used | |
68 | */ | |
69 | } | |
70 | ||
71 | //______________________________________________________________________________ | |
72 | void AliEMCalTriggerMCJetAnalysisComponent::CreateHistos() { | |
73 | /* | |
74 | * Create histograms for the MC jet analysis | |
75 | */ | |
76 | AliEMCalTriggerTracksAnalysisComponent::CreateHistos(); | |
77 | ||
78 | TString jetptstring = Form("jetPt%03d", int(fMinimumJetPt)); | |
79 | // Create trigger definitions | |
80 | std::map<std::string, std::string> triggerCombinations; | |
81 | const char *triggernames[11] = {"MinBias", "EMCJHigh", "EMCJLow", "EMCGHigh", | |
82 | "EMCGLow", "EMCHighBoth", "EMCHighGammaOnly", "EMCHighJetOnly", | |
83 | "EMCLowBoth", "EMCLowGammaOnly", "EMCLowJetOnly"}; | |
84 | // Define names and titles for different triggers in the histogram container | |
85 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[0], "min. bias events")); | |
86 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[1], "jet-triggered events (high threshold)")); | |
87 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[2], "jet-triggered events (low threshold)")); | |
88 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[3], "gamma-triggered events (high threshold)")); | |
89 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[4], "gamma-triggered events (low threshold)")); | |
90 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[5], "jet and gamma triggered events (high threshold)")); | |
91 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[6], "exclusively gamma-triggered events (high threshold)")); | |
92 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[7], "exclusively jet-triggered events (high threshold)")); | |
93 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[8], "jet and gamma triggered events (low threshold)")); | |
94 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[9], "exclusively gamma-triggered events (low threshold)")); | |
95 | triggerCombinations.insert(std::pair<std::string,std::string>(triggernames[10], "exclusively-triggered events (low threshold)")); | |
96 | ||
97 | // Create axis definitions | |
98 | const AliEMCalTriggerBinningDimension *ptbinning = fBinning->GetBinning("pt"), | |
99 | *etabinning = fBinning->GetBinning("eta"), | |
100 | *phibinning = fBinning->GetBinning("phi"), | |
0b065993 | 101 | *vertexbinning = fBinning->GetBinning("zvertex"); |
edc6be66 | 102 | |
103 | const TAxis *trackaxes[6] = { | |
104 | DefineAxis("trackpt", ptbinning), | |
105 | DefineAxis("jettpt", ptbinning), | |
106 | DefineAxis("eta", etabinning), | |
107 | DefineAxis("phi", phibinning), | |
108 | DefineAxis("zvertex", vertexbinning), | |
109 | DefineAxis("mbtrigger", 2, -0.5, 1.5) | |
110 | }; | |
111 | ||
112 | // Build histograms | |
113 | for(std::map<std::string,std::string>::iterator it = triggerCombinations.begin(); it != triggerCombinations.end(); ++it){ | |
114 | const std::string name = it->first, &title = it->second; | |
115 | fHistos->CreateTHnSparse(Form("hParticleJetHist%s%s", jetptstring.Data(), name.c_str()), Form("Track-based data for tracks in jets in %s events", title.c_str()), 6, trackaxes, "s"); | |
116 | } | |
117 | ||
118 | for(int iaxis = 0; iaxis < 6; iaxis++) delete trackaxes[iaxis]; | |
119 | } | |
120 | ||
121 | //______________________________________________________________________________ | |
122 | void AliEMCalTriggerMCJetAnalysisComponent::Process(const AliEMCalTriggerEventData* const data) { | |
123 | /* | |
124 | * Analyse particles in a jet with a given minimum jet pt | |
125 | */ | |
5f95099b | 126 | if(!data->GetJetContainerMC()){ |
127 | AliError("No Jet container for MC found"); | |
128 | return; | |
129 | } | |
edc6be66 | 130 | std::vector<std::string> triggernames; |
131 | this->GetMachingTriggerNames(triggernames, fUsePatches); | |
132 | TString jetptstring = Form("jetPt%03d", int(fMinimumJetPt)); | |
133 | ||
5f95099b | 134 | AliJetContainer *cont = data->GetJetContainerMC(); |
edc6be66 | 135 | AliEmcalJet *reconstructedJet = cont->GetNextAcceptJet(0); |
5f95099b | 136 | AliAODMCParticle *foundtrack(NULL); |
edc6be66 | 137 | while(reconstructedJet){ |
138 | if(TMath::Abs(reconstructedJet->Pt()) > fMinimumJetPt){ | |
139 | // Jet selected, loop over particles | |
140 | for(int ipart = 0; ipart < reconstructedJet->GetNumberOfTracks(); ipart++){ | |
5f95099b | 141 | foundtrack = dynamic_cast<AliAODMCParticle *>(reconstructedJet->TrackAt(ipart, cont->GetParticleContainer()->GetArray())); |
edc6be66 | 142 | if(!fKineCuts->IsSelected(foundtrack)) continue; |
143 | if(!foundtrack->Charge()) continue; | |
5f95099b | 144 | if(!foundtrack->IsPhysicalPrimary()) continue; |
edc6be66 | 145 | // track selected, fill histogram |
146 | for(std::vector<std::string>::iterator name = triggernames.begin(); name != triggernames.end(); ++name){ | |
147 | FillHistogram(Form("hParticleJetHist%s%s", jetptstring.Data(), name->c_str()), foundtrack, reconstructedJet, data->GetRecEvent()->GetPrimaryVertex()->GetZ()); | |
148 | } | |
149 | } | |
150 | } | |
151 | reconstructedJet = cont->GetNextAcceptJet(); | |
152 | } | |
153 | } | |
154 | ||
155 | //______________________________________________________________________________ | |
156 | void AliEMCalTriggerMCJetAnalysisComponent::FillHistogram( | |
157 | const TString& histname, const AliVParticle* track, const AliEmcalJet* jet, | |
158 | double vz) { | |
159 | /* | |
160 | * Fill Histogram with relevant information | |
161 | */ | |
162 | if(!fTriggerDecision) return; | |
163 | double data[6] = {TMath::Abs(track->Pt()), TMath::Abs(jet->Pt()), track->Eta(), track->Phi(), vz, fTriggerDecision->IsMinBias() ? 1. : 0.}; | |
164 | fHistos->FillTHnSparse(histname.Data(), data); | |
165 | } | |
166 | ||
167 | } /* namespace EMCalTriggerPtAnalysis */ |