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99e5fe42 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | **************************************************************************/ | |
83a444b1 | 15 | |
52ff852a | 16 | /* $Id$ */ |
17 | ||
99e5fe42 | 18 | //--------------------------------------------------------------------- |
19 | // Jet finder base class | |
20 | // manages the search for jets | |
7d0f353c | 21 | // Authors: jgcn@mda.cinvestav.mx |
22 | // andreas.morsch@cern.ch | |
99e5fe42 | 23 | //--------------------------------------------------------------------- |
24 | ||
25 | #include <Riostream.h> | |
26 | #include <TFile.h> | |
99e5fe42 | 27 | #include "AliJetFinder.h" |
28 | #include "AliJet.h" | |
29 | #include "AliJetReader.h" | |
30 | #include "AliJetReaderHeader.h" | |
31 | #include "AliJetControlPlots.h" | |
32 | #include "AliLeading.h" | |
99e5fe42 | 33 | |
99e5fe42 | 34 | ClassImp(AliJetFinder) |
35 | ||
1b7d5d7e | 36 | AliJetFinder::AliJetFinder(): |
eaabc21f | 37 | fTreeJ(0), |
7d0f353c | 38 | fPlotMode(kFALSE), |
39 | fJets(0), | |
40 | fGenJets(0), | |
41 | fLeading(0), | |
42 | fReader(0x0), | |
19e6695b | 43 | fHeader(0x0), |
7d0f353c | 44 | fPlots(0x0), |
45 | fOut(0x0) | |
46 | ||
99e5fe42 | 47 | { |
99e5fe42 | 48 | // Constructor |
655dbb2b | 49 | fJets = new AliJet(); |
99e5fe42 | 50 | fGenJets = new AliJet(); |
51 | fLeading = new AliLeading(); | |
99e5fe42 | 52 | } |
53 | ||
99e5fe42 | 54 | //////////////////////////////////////////////////////////////////////// |
55 | ||
56 | AliJetFinder::~AliJetFinder() | |
57 | { | |
99e5fe42 | 58 | // destructor |
99e5fe42 | 59 | // here reset and delete jets |
60 | fJets->ClearJets(); | |
61 | delete fJets; | |
62 | fGenJets->ClearJets(); | |
63 | delete fGenJets; | |
64 | // close file | |
65 | if (fOut) { | |
66 | fOut->Close(); | |
67 | fOut->Delete(); | |
68 | } | |
69 | delete fOut; | |
70 | // reset and delete control plots | |
71 | if (fPlots) delete fPlots; | |
99e5fe42 | 72 | } |
73 | ||
99e5fe42 | 74 | //////////////////////////////////////////////////////////////////////// |
75 | ||
c457fc2e | 76 | void AliJetFinder::SetOutputFile(const char* name) |
99e5fe42 | 77 | { |
eaabc21f | 78 | // opens output file |
c457fc2e | 79 | fOut = new TFile(name,"recreate"); |
99e5fe42 | 80 | } |
81 | ||
99e5fe42 | 82 | //////////////////////////////////////////////////////////////////////// |
83 | ||
84 | void AliJetFinder::PrintJets() | |
85 | { | |
83a444b1 | 86 | // Print jet information |
99e5fe42 | 87 | cout << " Jets found with jet algorithm:" << endl; |
88 | fJets->PrintJets(); | |
89 | cout << " Jets found by pythia:" << endl; | |
90 | fGenJets->PrintJets(); | |
91 | } | |
92 | ||
99e5fe42 | 93 | //////////////////////////////////////////////////////////////////////// |
94 | ||
95 | void AliJetFinder::SetPlotMode(Bool_t b) | |
96 | { | |
83a444b1 | 97 | // Sets the plotting mode |
99e5fe42 | 98 | fPlotMode=b; |
99 | if (b && !fPlots) fPlots = new AliJetControlPlots(); | |
100 | } | |
101 | ||
102 | //////////////////////////////////////////////////////////////////////// | |
eaabc21f | 103 | TTree* AliJetFinder::MakeTreeJ(char* name) |
99e5fe42 | 104 | { |
eaabc21f | 105 | // Create the tree for reconstructed jets |
eaabc21f | 106 | fTreeJ = new TTree(name, "AliJet"); |
107 | fTreeJ->Branch("FoundJet", &fJets, 1000); | |
108 | fTreeJ->Branch("GenJet", &fGenJets,1000); | |
109 | fTreeJ->Branch("LeadingPart",&fLeading,1000); | |
110 | return fTreeJ; | |
99e5fe42 | 111 | } |
112 | ||
113 | //////////////////////////////////////////////////////////////////////// | |
114 | ||
115 | void AliJetFinder::WriteRHeaderToFile() | |
116 | { | |
117 | // write reader header | |
76c48857 | 118 | AliJetReaderHeader *rh = fReader->GetReaderHeader(); |
119 | rh->Write(); | |
99e5fe42 | 120 | } |
121 | ||
99e5fe42 | 122 | //////////////////////////////////////////////////////////////////////// |
123 | ||
99e5fe42 | 124 | |
125 | void AliJetFinder::Run() | |
126 | { | |
7d0f353c | 127 | // Do some initialization |
99e5fe42 | 128 | Init(); |
99e5fe42 | 129 | // connect files |
130 | fReader->OpenInputFiles(); | |
131 | ||
132 | // write headers | |
7d0f353c | 133 | WriteHeaders(); |
99e5fe42 | 134 | // loop over events |
b45b0c92 | 135 | Int_t nFirst, nLast, option, debug, arrayInitialised; |
99e5fe42 | 136 | nFirst = fReader->GetReaderHeader()->GetFirstEvent(); |
b45b0c92 | 137 | nLast = fReader->GetReaderHeader()->GetLastEvent(); |
138 | ||
139 | option = fReader->GetReaderHeader()->GetDetector(); | |
140 | debug = fReader->GetReaderHeader()->GetDebug(); | |
141 | arrayInitialised = fReader->GetArrayInitialised(); | |
142 | ||
99e5fe42 | 143 | // loop over events |
144 | for (Int_t i=nFirst;i<nLast;i++) { | |
145 | fReader->FillMomentumArray(i); | |
146 | fLeading->FindLeading(fReader); | |
7d0f353c | 147 | fReader->GetGenJets(fGenJets); |
b45b0c92 | 148 | |
149 | if (option == 0) { // TPC with fMomentumArray | |
150 | if(debug > 1) | |
151 | printf("In FindJetsTPC() routine: find jets with fMomentumArray !!!\n"); | |
152 | FindJetsTPC(); | |
153 | } else { | |
c457fc2e | 154 | if(debug > 1) printf("In FindJets() routine: find jets with fUnitArray !!!\n"); |
155 | FindJets(); | |
b45b0c92 | 156 | } |
eaabc21f | 157 | if (fOut) { |
158 | fOut->cd(); | |
159 | fTreeJ->Fill(); | |
160 | } | |
161 | ||
83a444b1 | 162 | if (fPlots) fPlots->FillHistos(fJets); |
99e5fe42 | 163 | fLeading->Reset(); |
164 | fGenJets->ClearJets(); | |
165 | Reset(); | |
166 | } | |
b45b0c92 | 167 | |
99e5fe42 | 168 | // write out |
169 | if (fPlots) { | |
170 | fPlots->Normalize(); | |
171 | fPlots->PlotHistos(); | |
172 | } | |
173 | if (fOut) { | |
174 | fOut->cd(); | |
175 | fPlots->Write(); | |
176 | fOut->Close(); | |
177 | } | |
178 | } | |
7d0f353c | 179 | |
180 | ||
181 | // | |
182 | // The following methods have been added to allow for event steering from the outside | |
183 | // | |
184 | ||
f3f3617d | 185 | void AliJetFinder::ConnectTree(TTree* tree, TObject* data) |
7d0f353c | 186 | { |
187 | // Connect the input file | |
f3f3617d | 188 | fReader->ConnectTree(tree, data); |
7d0f353c | 189 | } |
190 | ||
191 | void AliJetFinder::WriteHeaders() | |
192 | { | |
193 | // Write the Headers | |
76c48857 | 194 | TFile* f = new TFile("jets_local.root", "recreate"); |
195 | WriteRHeaderToFile(); | |
196 | WriteJHeaderToFile(); | |
197 | f->Close(); | |
7d0f353c | 198 | } |
199 | ||
200 | ||
201 | Bool_t AliJetFinder::ProcessEvent(Long64_t entry) | |
202 | { | |
203 | // | |
204 | // Process one event | |
205 | // | |
eaabc21f | 206 | Int_t debug = fReader->GetReaderHeader()->GetDebug(); |
207 | if (debug > 0) printf("<<<<< Processing Event %5d >>>>> \n", (Int_t) entry); | |
76c48857 | 208 | |
7d0f353c | 209 | Bool_t ok = fReader->FillMomentumArray(entry); |
210 | if (!ok) return kFALSE; | |
76c48857 | 211 | |
212 | // Leading particles | |
7d0f353c | 213 | fLeading->FindLeading(fReader); |
76c48857 | 214 | // Jets |
7d0f353c | 215 | FindJets(); |
76c48857 | 216 | // Fill the tree |
217 | fTreeJ->Fill(); | |
218 | ||
7d0f353c | 219 | if (fPlots) fPlots->FillHistos(fJets); |
220 | fLeading->Reset(); | |
221 | fGenJets->ClearJets(); | |
222 | Reset(); | |
223 | return kTRUE; | |
224 | } | |
225 | ||
226 | void AliJetFinder::FinishRun() | |
227 | { | |
228 | // Finish a run | |
eaabc21f | 229 | if (fPlots) { |
230 | fPlots->Normalize(); | |
231 | fPlots->PlotHistos(); | |
232 | } | |
233 | ||
234 | if (fOut) { | |
235 | fOut->cd(); | |
236 | fTreeJ->Write(); | |
237 | if (fPlots) { | |
238 | fPlots->Write(); | |
239 | } | |
240 | fOut->Close(); | |
241 | } | |
7d0f353c | 242 | } |
243 |