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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(): |
7d0f353c | 37 | fPlotMode(kFALSE), |
38 | fJets(0), | |
39 | fGenJets(0), | |
40 | fLeading(0), | |
41 | fReader(0x0), | |
42 | fPlots(0x0), | |
43 | fOut(0x0) | |
44 | ||
99e5fe42 | 45 | { |
99e5fe42 | 46 | // Constructor |
655dbb2b | 47 | fJets = new AliJet(); |
99e5fe42 | 48 | fGenJets = new AliJet(); |
49 | fLeading = new AliLeading(); | |
99e5fe42 | 50 | } |
51 | ||
99e5fe42 | 52 | //////////////////////////////////////////////////////////////////////// |
53 | ||
54 | AliJetFinder::~AliJetFinder() | |
55 | { | |
99e5fe42 | 56 | // destructor |
99e5fe42 | 57 | // here reset and delete jets |
58 | fJets->ClearJets(); | |
59 | delete fJets; | |
60 | fGenJets->ClearJets(); | |
61 | delete fGenJets; | |
62 | // close file | |
63 | if (fOut) { | |
64 | fOut->Close(); | |
65 | fOut->Delete(); | |
66 | } | |
67 | delete fOut; | |
68 | // reset and delete control plots | |
69 | if (fPlots) delete fPlots; | |
99e5fe42 | 70 | } |
71 | ||
99e5fe42 | 72 | //////////////////////////////////////////////////////////////////////// |
73 | ||
74 | void AliJetFinder::SetOutputFile(const char *name) | |
75 | { | |
76 | // opens output file | |
77 | fOut = new TFile(name,"recreate"); | |
78 | } | |
79 | ||
99e5fe42 | 80 | //////////////////////////////////////////////////////////////////////// |
81 | ||
82 | void AliJetFinder::PrintJets() | |
83 | { | |
83a444b1 | 84 | // Print jet information |
99e5fe42 | 85 | cout << " Jets found with jet algorithm:" << endl; |
86 | fJets->PrintJets(); | |
87 | cout << " Jets found by pythia:" << endl; | |
88 | fGenJets->PrintJets(); | |
89 | } | |
90 | ||
99e5fe42 | 91 | //////////////////////////////////////////////////////////////////////// |
92 | ||
93 | void AliJetFinder::SetPlotMode(Bool_t b) | |
94 | { | |
83a444b1 | 95 | // Sets the plotting mode |
99e5fe42 | 96 | fPlotMode=b; |
97 | if (b && !fPlots) fPlots = new AliJetControlPlots(); | |
98 | } | |
99 | ||
100 | //////////////////////////////////////////////////////////////////////// | |
101 | ||
102 | void AliJetFinder::WriteJetsToFile(Int_t i) | |
103 | { | |
83a444b1 | 104 | // Writes the jets to file |
99e5fe42 | 105 | fOut->cd(); |
106 | char hname[30]; | |
107 | sprintf(hname,"TreeJ%d",i); | |
108 | TTree* jetT = new TTree(hname,"AliJet"); | |
109 | jetT->Branch("FoundJet",&fJets,1000); | |
110 | jetT->Branch("GenJet",&fGenJets,1000); | |
111 | jetT->Branch("LeadingPart",&fLeading,1000); | |
112 | jetT->Fill(); | |
113 | jetT->Write(hname); | |
114 | delete jetT; | |
115 | } | |
116 | ||
117 | //////////////////////////////////////////////////////////////////////// | |
118 | ||
119 | void AliJetFinder::WriteRHeaderToFile() | |
120 | { | |
121 | // write reader header | |
122 | fOut->cd(); | |
123 | AliJetReaderHeader *rh = fReader->GetReaderHeader(); | |
124 | rh->Write(); | |
125 | } | |
126 | ||
99e5fe42 | 127 | //////////////////////////////////////////////////////////////////////// |
128 | ||
99e5fe42 | 129 | |
130 | void AliJetFinder::Run() | |
131 | { | |
7d0f353c | 132 | // Do some initialization |
99e5fe42 | 133 | Init(); |
99e5fe42 | 134 | // connect files |
135 | fReader->OpenInputFiles(); | |
136 | ||
137 | // write headers | |
7d0f353c | 138 | WriteHeaders(); |
99e5fe42 | 139 | // loop over events |
b45b0c92 | 140 | Int_t nFirst, nLast, option, debug, arrayInitialised; |
99e5fe42 | 141 | nFirst = fReader->GetReaderHeader()->GetFirstEvent(); |
b45b0c92 | 142 | nLast = fReader->GetReaderHeader()->GetLastEvent(); |
143 | ||
144 | option = fReader->GetReaderHeader()->GetDetector(); | |
145 | debug = fReader->GetReaderHeader()->GetDebug(); | |
146 | arrayInitialised = fReader->GetArrayInitialised(); | |
147 | ||
99e5fe42 | 148 | // loop over events |
149 | for (Int_t i=nFirst;i<nLast;i++) { | |
150 | fReader->FillMomentumArray(i); | |
151 | fLeading->FindLeading(fReader); | |
7d0f353c | 152 | fReader->GetGenJets(fGenJets); |
b45b0c92 | 153 | |
154 | if (option == 0) { // TPC with fMomentumArray | |
155 | if(debug > 1) | |
156 | printf("In FindJetsTPC() routine: find jets with fMomentumArray !!!\n"); | |
157 | FindJetsTPC(); | |
158 | } else { | |
159 | if(debug > 1) printf("In FindJets() routine: find jets with fUnitArray !!!\n"); | |
160 | FindJets(); | |
161 | } | |
99e5fe42 | 162 | if (fOut) WriteJetsToFile(i); |
83a444b1 | 163 | if (fPlots) fPlots->FillHistos(fJets); |
99e5fe42 | 164 | fLeading->Reset(); |
165 | fGenJets->ClearJets(); | |
166 | Reset(); | |
167 | } | |
b45b0c92 | 168 | |
99e5fe42 | 169 | // write out |
170 | if (fPlots) { | |
171 | fPlots->Normalize(); | |
172 | fPlots->PlotHistos(); | |
173 | } | |
174 | if (fOut) { | |
175 | fOut->cd(); | |
176 | fPlots->Write(); | |
177 | fOut->Close(); | |
178 | } | |
179 | } | |
7d0f353c | 180 | |
181 | ||
182 | // | |
183 | // The following methods have been added to allow for event steering from the outside | |
184 | // | |
185 | ||
186 | void AliJetFinder::ConnectTree(TTree* tree) | |
187 | { | |
188 | // Connect the input file | |
189 | fReader->ConnectTree(tree); | |
190 | } | |
191 | ||
192 | void AliJetFinder::WriteHeaders() | |
193 | { | |
194 | // Write the Headers | |
195 | if (fOut) { | |
196 | fOut->cd(); | |
197 | WriteRHeaderToFile(); | |
198 | WriteJHeaderToFile(); | |
199 | } | |
200 | } | |
201 | ||
202 | ||
203 | Bool_t AliJetFinder::ProcessEvent(Long64_t entry) | |
204 | { | |
205 | // | |
206 | // Process one event | |
207 | // | |
208 | printf("<<<<< Processing Event %5d >>>>> \n", (Int_t) entry); | |
209 | Bool_t ok = fReader->FillMomentumArray(entry); | |
210 | if (!ok) return kFALSE; | |
211 | fLeading->FindLeading(fReader); | |
212 | FindJets(); | |
213 | if (fOut) WriteJetsToFile(entry); | |
214 | if (fPlots) fPlots->FillHistos(fJets); | |
215 | fLeading->Reset(); | |
216 | fGenJets->ClearJets(); | |
217 | Reset(); | |
218 | return kTRUE; | |
219 | } | |
220 | ||
221 | void AliJetFinder::FinishRun() | |
222 | { | |
223 | // Finish a run | |
224 | if (fPlots) { | |
225 | fPlots->Normalize(); | |
226 | fPlots->PlotHistos(); | |
97047b83 | 227 | if (fOut) { |
228 | fOut->cd(); | |
229 | fPlots->Write(); | |
230 | fOut->Close(); | |
231 | } | |
232 | } else { | |
233 | if (fOut) fOut->Close(); | |
7d0f353c | 234 | } |
7d0f353c | 235 | } |
236 |