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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> | |
1d27ecd2 | 27 | #include <TClonesArray.h> |
28 | ||
99e5fe42 | 29 | #include "AliJetFinder.h" |
30 | #include "AliJet.h" | |
1d27ecd2 | 31 | #include "AliAODJet.h" |
99e5fe42 | 32 | #include "AliJetReader.h" |
33 | #include "AliJetReaderHeader.h" | |
34 | #include "AliJetControlPlots.h" | |
35 | #include "AliLeading.h" | |
1d27ecd2 | 36 | #include "AliAODEvent.h" |
99e5fe42 | 37 | |
99e5fe42 | 38 | ClassImp(AliJetFinder) |
39 | ||
1b7d5d7e | 40 | AliJetFinder::AliJetFinder(): |
eaabc21f | 41 | fTreeJ(0), |
7d0f353c | 42 | fPlotMode(kFALSE), |
43 | fJets(0), | |
44 | fGenJets(0), | |
45 | fLeading(0), | |
46 | fReader(0x0), | |
19e6695b | 47 | fHeader(0x0), |
1d27ecd2 | 48 | fAODjets(0x0), |
49 | fNAODjets(0), | |
7d0f353c | 50 | fPlots(0x0), |
51 | fOut(0x0) | |
52 | ||
99e5fe42 | 53 | { |
99e5fe42 | 54 | // Constructor |
655dbb2b | 55 | fJets = new AliJet(); |
99e5fe42 | 56 | fGenJets = new AliJet(); |
57 | fLeading = new AliLeading(); | |
1d27ecd2 | 58 | fAODjets = 0; |
99e5fe42 | 59 | } |
60 | ||
99e5fe42 | 61 | //////////////////////////////////////////////////////////////////////// |
62 | ||
63 | AliJetFinder::~AliJetFinder() | |
64 | { | |
99e5fe42 | 65 | // destructor |
99e5fe42 | 66 | // here reset and delete jets |
67 | fJets->ClearJets(); | |
68 | delete fJets; | |
69 | fGenJets->ClearJets(); | |
70 | delete fGenJets; | |
71 | // close file | |
72 | if (fOut) { | |
73 | fOut->Close(); | |
74 | fOut->Delete(); | |
75 | } | |
76 | delete fOut; | |
77 | // reset and delete control plots | |
78 | if (fPlots) delete fPlots; | |
dbd1a3a2 | 79 | if ( fLeading ) |
80 | delete fLeading; | |
81 | fLeading = NULL; | |
99e5fe42 | 82 | } |
83 | ||
99e5fe42 | 84 | //////////////////////////////////////////////////////////////////////// |
85 | ||
1d27ecd2 | 86 | void AliJetFinder::SetOutputFile(const char */*name*/) |
99e5fe42 | 87 | { |
eaabc21f | 88 | // opens output file |
1d27ecd2 | 89 | // fOut = new TFile(name,"recreate"); |
99e5fe42 | 90 | } |
91 | ||
99e5fe42 | 92 | //////////////////////////////////////////////////////////////////////// |
93 | ||
94 | void AliJetFinder::PrintJets() | |
95 | { | |
83a444b1 | 96 | // Print jet information |
99e5fe42 | 97 | cout << " Jets found with jet algorithm:" << endl; |
98 | fJets->PrintJets(); | |
99 | cout << " Jets found by pythia:" << endl; | |
100 | fGenJets->PrintJets(); | |
101 | } | |
102 | ||
99e5fe42 | 103 | //////////////////////////////////////////////////////////////////////// |
104 | ||
105 | void AliJetFinder::SetPlotMode(Bool_t b) | |
106 | { | |
83a444b1 | 107 | // Sets the plotting mode |
99e5fe42 | 108 | fPlotMode=b; |
109 | if (b && !fPlots) fPlots = new AliJetControlPlots(); | |
110 | } | |
111 | ||
112 | //////////////////////////////////////////////////////////////////////// | |
eaabc21f | 113 | TTree* AliJetFinder::MakeTreeJ(char* name) |
99e5fe42 | 114 | { |
eaabc21f | 115 | // Create the tree for reconstructed jets |
eaabc21f | 116 | fTreeJ = new TTree(name, "AliJet"); |
117 | fTreeJ->Branch("FoundJet", &fJets, 1000); | |
118 | fTreeJ->Branch("GenJet", &fGenJets,1000); | |
119 | fTreeJ->Branch("LeadingPart",&fLeading,1000); | |
120 | return fTreeJ; | |
99e5fe42 | 121 | } |
122 | ||
123 | //////////////////////////////////////////////////////////////////////// | |
124 | ||
125 | void AliJetFinder::WriteRHeaderToFile() | |
126 | { | |
127 | // write reader header | |
76c48857 | 128 | AliJetReaderHeader *rh = fReader->GetReaderHeader(); |
129 | rh->Write(); | |
99e5fe42 | 130 | } |
131 | ||
99e5fe42 | 132 | //////////////////////////////////////////////////////////////////////// |
133 | ||
99e5fe42 | 134 | |
135 | void AliJetFinder::Run() | |
136 | { | |
7d0f353c | 137 | // Do some initialization |
99e5fe42 | 138 | Init(); |
99e5fe42 | 139 | // connect files |
140 | fReader->OpenInputFiles(); | |
141 | ||
142 | // write headers | |
7d0f353c | 143 | WriteHeaders(); |
99e5fe42 | 144 | // loop over events |
b45b0c92 | 145 | Int_t nFirst, nLast, option, debug, arrayInitialised; |
99e5fe42 | 146 | nFirst = fReader->GetReaderHeader()->GetFirstEvent(); |
b45b0c92 | 147 | nLast = fReader->GetReaderHeader()->GetLastEvent(); |
148 | ||
149 | option = fReader->GetReaderHeader()->GetDetector(); | |
150 | debug = fReader->GetReaderHeader()->GetDebug(); | |
151 | arrayInitialised = fReader->GetArrayInitialised(); | |
152 | ||
99e5fe42 | 153 | // loop over events |
154 | for (Int_t i=nFirst;i<nLast;i++) { | |
ae24a5a1 | 155 | fReader->FillMomentumArray(); |
99e5fe42 | 156 | fLeading->FindLeading(fReader); |
7d0f353c | 157 | fReader->GetGenJets(fGenJets); |
b45b0c92 | 158 | |
159 | if (option == 0) { // TPC with fMomentumArray | |
160 | if(debug > 1) | |
161 | printf("In FindJetsTPC() routine: find jets with fMomentumArray !!!\n"); | |
162 | FindJetsTPC(); | |
163 | } else { | |
1d27ecd2 | 164 | if(debug > 1) printf("In FindJets() routine: find jets with fUnitArray !!!\n"); |
165 | FindJets(); | |
b45b0c92 | 166 | } |
eaabc21f | 167 | if (fOut) { |
168 | fOut->cd(); | |
eaabc21f | 169 | } |
170 | ||
83a444b1 | 171 | if (fPlots) fPlots->FillHistos(fJets); |
99e5fe42 | 172 | fLeading->Reset(); |
173 | fGenJets->ClearJets(); | |
174 | Reset(); | |
175 | } | |
b45b0c92 | 176 | |
99e5fe42 | 177 | // write out |
178 | if (fPlots) { | |
179 | fPlots->Normalize(); | |
180 | fPlots->PlotHistos(); | |
181 | } | |
182 | if (fOut) { | |
183 | fOut->cd(); | |
184 | fPlots->Write(); | |
185 | fOut->Close(); | |
186 | } | |
187 | } | |
7d0f353c | 188 | |
189 | ||
190 | // | |
191 | // The following methods have been added to allow for event steering from the outside | |
192 | // | |
193 | ||
f3f3617d | 194 | void AliJetFinder::ConnectTree(TTree* tree, TObject* data) |
7d0f353c | 195 | { |
196 | // Connect the input file | |
f3f3617d | 197 | fReader->ConnectTree(tree, data); |
7d0f353c | 198 | } |
199 | ||
200 | void AliJetFinder::WriteHeaders() | |
201 | { | |
202 | // Write the Headers | |
76c48857 | 203 | TFile* f = new TFile("jets_local.root", "recreate"); |
204 | WriteRHeaderToFile(); | |
205 | WriteJHeaderToFile(); | |
206 | f->Close(); | |
7d0f353c | 207 | } |
208 | ||
209 | ||
ae24a5a1 | 210 | Bool_t AliJetFinder::ProcessEvent() |
7d0f353c | 211 | { |
212 | // | |
213 | // Process one event | |
214 | // | |
ae24a5a1 | 215 | Bool_t ok = fReader->FillMomentumArray(); |
7d0f353c | 216 | if (!ok) return kFALSE; |
76c48857 | 217 | |
218 | // Leading particles | |
7d0f353c | 219 | fLeading->FindLeading(fReader); |
76c48857 | 220 | // Jets |
7d0f353c | 221 | FindJets(); |
76c48857 | 222 | |
7d0f353c | 223 | if (fPlots) fPlots->FillHistos(fJets); |
224 | fLeading->Reset(); | |
225 | fGenJets->ClearJets(); | |
226 | Reset(); | |
227 | return kTRUE; | |
228 | } | |
229 | ||
230 | void AliJetFinder::FinishRun() | |
231 | { | |
232 | // Finish a run | |
eaabc21f | 233 | if (fPlots) { |
234 | fPlots->Normalize(); | |
235 | fPlots->PlotHistos(); | |
236 | } | |
237 | ||
238 | if (fOut) { | |
239 | fOut->cd(); | |
eaabc21f | 240 | if (fPlots) { |
241 | fPlots->Write(); | |
242 | } | |
243 | fOut->Close(); | |
244 | } | |
7d0f353c | 245 | } |
246 | ||
1d27ecd2 | 247 | void AliJetFinder::AddJet(AliAODJet p) |
248 | { | |
4aa71b6f | 249 | // Add new jet to the list |
1d27ecd2 | 250 | new ((*fAODjets)[fNAODjets++]) AliAODJet(p); |
251 | } | |
252 | ||
253 | void AliJetFinder::ConnectAOD(AliAODEvent* aod) | |
254 | { | |
255 | // Connect to the AOD | |
1d27ecd2 | 256 | fAODjets = aod->GetJets(); |
1d27ecd2 | 257 | } |
4aa71b6f | 258 | |
259 | void AliJetFinder::ConnectAODNonStd(AliAODEvent* aod,const char *bname) | |
260 | { | |
261 | ||
262 | fAODjets = dynamic_cast<TClonesArray*>(aod->FindListObject(bname)); | |
263 | // how is this is reset? Cleared? | |
264 | } |