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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 | |
8838ab7a | 23 | // magali.estienne@subatech.in2p3.fr |
99e5fe42 | 24 | //--------------------------------------------------------------------- |
25 | ||
26 | #include <Riostream.h> | |
27 | #include <TFile.h> | |
1d27ecd2 | 28 | #include <TClonesArray.h> |
8838ab7a | 29 | #include <TProcessID.h> |
1d27ecd2 | 30 | |
99e5fe42 | 31 | #include "AliJetFinder.h" |
32 | #include "AliJet.h" | |
1d27ecd2 | 33 | #include "AliAODJet.h" |
99e5fe42 | 34 | #include "AliJetReader.h" |
35 | #include "AliJetReaderHeader.h" | |
36 | #include "AliJetControlPlots.h" | |
37 | #include "AliLeading.h" | |
1d27ecd2 | 38 | #include "AliAODEvent.h" |
8838ab7a | 39 | #include "AliJetUnitArray.h" |
99e5fe42 | 40 | |
99e5fe42 | 41 | ClassImp(AliJetFinder) |
42 | ||
1b7d5d7e | 43 | AliJetFinder::AliJetFinder(): |
eaabc21f | 44 | fTreeJ(0), |
7d0f353c | 45 | fPlotMode(kFALSE), |
46 | fJets(0), | |
47 | fGenJets(0), | |
48 | fLeading(0), | |
49 | fReader(0x0), | |
19e6695b | 50 | fHeader(0x0), |
1d27ecd2 | 51 | fAODjets(0x0), |
52 | fNAODjets(0), | |
7d0f353c | 53 | fPlots(0x0), |
54 | fOut(0x0) | |
55 | ||
99e5fe42 | 56 | { |
8838ab7a | 57 | // |
99e5fe42 | 58 | // Constructor |
8838ab7a | 59 | // |
60 | ||
655dbb2b | 61 | fJets = new AliJet(); |
99e5fe42 | 62 | fGenJets = new AliJet(); |
63 | fLeading = new AliLeading(); | |
1d27ecd2 | 64 | fAODjets = 0; |
99e5fe42 | 65 | } |
66 | ||
99e5fe42 | 67 | //////////////////////////////////////////////////////////////////////// |
99e5fe42 | 68 | AliJetFinder::~AliJetFinder() |
69 | { | |
8838ab7a | 70 | // |
71 | // Destructor | |
72 | // | |
73 | ||
74 | // Reset and delete jets | |
99e5fe42 | 75 | fJets->ClearJets(); |
76 | delete fJets; | |
77 | fGenJets->ClearJets(); | |
78 | delete fGenJets; | |
79 | // close file | |
80 | if (fOut) { | |
81 | fOut->Close(); | |
82 | fOut->Delete(); | |
83 | } | |
84 | delete fOut; | |
85 | // reset and delete control plots | |
86 | if (fPlots) delete fPlots; | |
99e5fe42 | 87 | } |
88 | ||
99e5fe42 | 89 | //////////////////////////////////////////////////////////////////////// |
1d27ecd2 | 90 | void AliJetFinder::SetOutputFile(const char */*name*/) |
99e5fe42 | 91 | { |
eaabc21f | 92 | // opens output file |
1d27ecd2 | 93 | // fOut = new TFile(name,"recreate"); |
99e5fe42 | 94 | } |
95 | ||
99e5fe42 | 96 | //////////////////////////////////////////////////////////////////////// |
99e5fe42 | 97 | void AliJetFinder::PrintJets() |
98 | { | |
83a444b1 | 99 | // Print jet information |
99e5fe42 | 100 | cout << " Jets found with jet algorithm:" << endl; |
101 | fJets->PrintJets(); | |
102 | cout << " Jets found by pythia:" << endl; | |
103 | fGenJets->PrintJets(); | |
104 | } | |
105 | ||
99e5fe42 | 106 | //////////////////////////////////////////////////////////////////////// |
99e5fe42 | 107 | void AliJetFinder::SetPlotMode(Bool_t b) |
108 | { | |
83a444b1 | 109 | // Sets the plotting mode |
99e5fe42 | 110 | fPlotMode=b; |
111 | if (b && !fPlots) fPlots = new AliJetControlPlots(); | |
112 | } | |
113 | ||
114 | //////////////////////////////////////////////////////////////////////// | |
eaabc21f | 115 | TTree* AliJetFinder::MakeTreeJ(char* name) |
99e5fe42 | 116 | { |
eaabc21f | 117 | // Create the tree for reconstructed jets |
eaabc21f | 118 | fTreeJ = new TTree(name, "AliJet"); |
119 | fTreeJ->Branch("FoundJet", &fJets, 1000); | |
120 | fTreeJ->Branch("GenJet", &fGenJets,1000); | |
121 | fTreeJ->Branch("LeadingPart",&fLeading,1000); | |
122 | return fTreeJ; | |
99e5fe42 | 123 | } |
124 | ||
125 | //////////////////////////////////////////////////////////////////////// | |
99e5fe42 | 126 | void AliJetFinder::WriteRHeaderToFile() |
127 | { | |
128 | // write reader header | |
76c48857 | 129 | AliJetReaderHeader *rh = fReader->GetReaderHeader(); |
130 | rh->Write(); | |
99e5fe42 | 131 | } |
132 | ||
99e5fe42 | 133 | //////////////////////////////////////////////////////////////////////// |
99e5fe42 | 134 | void AliJetFinder::Run() |
135 | { | |
7d0f353c | 136 | // Do some initialization |
99e5fe42 | 137 | Init(); |
99e5fe42 | 138 | // connect files |
139 | fReader->OpenInputFiles(); | |
140 | ||
141 | // write headers | |
7d0f353c | 142 | WriteHeaders(); |
99e5fe42 | 143 | // loop over events |
b45b0c92 | 144 | Int_t nFirst, nLast, option, debug, arrayInitialised; |
99e5fe42 | 145 | nFirst = fReader->GetReaderHeader()->GetFirstEvent(); |
b45b0c92 | 146 | nLast = fReader->GetReaderHeader()->GetLastEvent(); |
147 | ||
148 | option = fReader->GetReaderHeader()->GetDetector(); | |
149 | debug = fReader->GetReaderHeader()->GetDebug(); | |
150 | arrayInitialised = fReader->GetArrayInitialised(); | |
151 | ||
99e5fe42 | 152 | // loop over events |
153 | for (Int_t i=nFirst;i<nLast;i++) { | |
ae24a5a1 | 154 | fReader->FillMomentumArray(); |
99e5fe42 | 155 | fLeading->FindLeading(fReader); |
7d0f353c | 156 | fReader->GetGenJets(fGenJets); |
b45b0c92 | 157 | |
158 | if (option == 0) { // TPC with fMomentumArray | |
159 | if(debug > 1) | |
8838ab7a | 160 | printf("In FindJetsC() routine: find jets with fMomentumArray !!!\n"); |
161 | FindJetsC(); | |
b45b0c92 | 162 | } else { |
8838ab7a | 163 | if(debug > 1) printf("In FindJets() routine: find jets with fUnitArray !!!\n"); |
164 | FindJets(); | |
b45b0c92 | 165 | } |
eaabc21f | 166 | if (fOut) { |
167 | fOut->cd(); | |
eaabc21f | 168 | } |
169 | ||
83a444b1 | 170 | if (fPlots) fPlots->FillHistos(fJets); |
99e5fe42 | 171 | fLeading->Reset(); |
172 | fGenJets->ClearJets(); | |
173 | Reset(); | |
174 | } | |
b45b0c92 | 175 | |
99e5fe42 | 176 | // write out |
177 | if (fPlots) { | |
178 | fPlots->Normalize(); | |
179 | fPlots->PlotHistos(); | |
180 | } | |
181 | if (fOut) { | |
182 | fOut->cd(); | |
183 | fPlots->Write(); | |
184 | fOut->Close(); | |
185 | } | |
186 | } | |
7d0f353c | 187 | |
188 | ||
189 | // | |
190 | // The following methods have been added to allow for event steering from the outside | |
191 | // | |
192 | ||
8838ab7a | 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 | ||
8838ab7a | 200 | //////////////////////////////////////////////////////////////////////// |
7d0f353c | 201 | void AliJetFinder::WriteHeaders() |
202 | { | |
203 | // Write the Headers | |
76c48857 | 204 | TFile* f = new TFile("jets_local.root", "recreate"); |
205 | WriteRHeaderToFile(); | |
206 | WriteJHeaderToFile(); | |
207 | f->Close(); | |
7d0f353c | 208 | } |
209 | ||
8838ab7a | 210 | //////////////////////////////////////////////////////////////////////// |
ae24a5a1 | 211 | Bool_t AliJetFinder::ProcessEvent() |
7d0f353c | 212 | { |
8838ab7a | 213 | // |
214 | // Process one event | |
215 | // Charged only jets | |
216 | // | |
217 | ||
218 | Bool_t ok = fReader->FillMomentumArray(); | |
219 | if (!ok) return kFALSE; | |
220 | ||
221 | // Leading particles | |
222 | fLeading->FindLeading(fReader); | |
223 | // Jets | |
224 | FindJets(); // V1 | |
225 | // FindJetsC(); // V2 | |
226 | ||
227 | if (fPlots) fPlots->FillHistos(fJets); | |
228 | fLeading->Reset(); | |
229 | fGenJets->ClearJets(); | |
230 | Reset(); | |
231 | return kTRUE; | |
7d0f353c | 232 | } |
233 | ||
8838ab7a | 234 | //////////////////////////////////////////////////////////////////////// |
235 | Bool_t AliJetFinder::ProcessEvent2() | |
236 | { | |
237 | // | |
238 | // Process one event | |
239 | // Charged only or charged+neutral jets | |
240 | // | |
241 | ||
242 | TRefArray* ref = new TRefArray(); | |
243 | Bool_t procid = kFALSE; | |
244 | Bool_t ok = fReader->ExecTasks(procid,ref); | |
245 | ||
246 | // Delete reference pointer | |
247 | if (!ok) {delete ref; return kFALSE;} | |
248 | ||
249 | // Leading particles | |
250 | fLeading->FindLeading(fReader); | |
251 | // Jets | |
252 | FindJets(); | |
253 | ||
254 | Int_t nEntRef = ref->GetEntries(); | |
255 | vector<Float_t> vtmp; | |
256 | ||
257 | for(Int_t i=0; i<nEntRef; i++) | |
258 | { | |
259 | // Reset the UnitArray content which were referenced | |
260 | ((AliJetUnitArray*)ref->At(i))->SetUnitTrackID(0); | |
261 | ((AliJetUnitArray*)ref->At(i))->SetUnitEnergy(0.); | |
262 | ((AliJetUnitArray*)ref->At(i))->SetUnitCutFlag(kPtSmaller); | |
263 | ((AliJetUnitArray*)ref->At(i))->SetUnitCutFlag2(kPtSmaller); | |
264 | ((AliJetUnitArray*)ref->At(i))->SetUnitPxPyPz(kTRUE,vtmp); | |
265 | ((AliJetUnitArray*)ref->At(i))->SetUnitSignalFlag(kBad); | |
266 | ((AliJetUnitArray*)ref->At(i))->SetUnitDetectorFlag(kTpc); | |
267 | ((AliJetUnitArray*)ref->At(i))->SetUnitFlag(kOutJet); | |
268 | ||
269 | // Reset process ID | |
270 | AliJetUnitArray* uA = (AliJetUnitArray*)ref->At(i); | |
271 | uA->ResetBit(kIsReferenced); | |
272 | uA->SetUniqueID(0); | |
273 | } | |
274 | ||
275 | // Delete the reference pointer | |
276 | ref->Delete(); | |
277 | delete ref; | |
278 | ||
279 | if (fPlots) fPlots->FillHistos(fJets); | |
280 | fLeading->Reset(); | |
281 | fGenJets->ClearJets(); | |
282 | Reset(); | |
283 | ||
284 | return kTRUE; | |
285 | } | |
286 | ||
287 | //////////////////////////////////////////////////////////////////////// | |
7d0f353c | 288 | void AliJetFinder::FinishRun() |
289 | { | |
290 | // Finish a run | |
eaabc21f | 291 | if (fPlots) { |
292 | fPlots->Normalize(); | |
293 | fPlots->PlotHistos(); | |
294 | } | |
295 | ||
296 | if (fOut) { | |
297 | fOut->cd(); | |
eaabc21f | 298 | if (fPlots) { |
299 | fPlots->Write(); | |
300 | } | |
301 | fOut->Close(); | |
302 | } | |
7d0f353c | 303 | } |
304 | ||
8838ab7a | 305 | //////////////////////////////////////////////////////////////////////// |
1d27ecd2 | 306 | void AliJetFinder::AddJet(AliAODJet p) |
307 | { | |
8838ab7a | 308 | // Add new jet to the list |
1d27ecd2 | 309 | new ((*fAODjets)[fNAODjets++]) AliAODJet(p); |
310 | } | |
311 | ||
8838ab7a | 312 | //////////////////////////////////////////////////////////////////////// |
1d27ecd2 | 313 | void AliJetFinder::ConnectAOD(AliAODEvent* aod) |
314 | { | |
315 | // Connect to the AOD | |
1d27ecd2 | 316 | fAODjets = aod->GetJets(); |
1d27ecd2 | 317 | } |
4aa71b6f | 318 | |
8838ab7a | 319 | //////////////////////////////////////////////////////////////////////// |
4aa71b6f | 320 | void AliJetFinder::ConnectAODNonStd(AliAODEvent* aod,const char *bname) |
321 | { | |
322 | ||
323 | fAODjets = dynamic_cast<TClonesArray*>(aod->FindListObject(bname)); | |
324 | // how is this is reset? Cleared? | |
325 | } | |
8838ab7a | 326 |