f3050824 |
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 | **************************************************************************/ |
15 | |
16 | |
17 | |
18 | #include <TROOT.h> |
19 | #include <TSystem.h> |
20 | #include <TInterpreter.h> |
21 | #include <TChain.h> |
22 | #include <TFile.h> |
23 | #include <TH1F.h> |
24 | #include <TH2F.h> |
25 | #include <TH3F.h> |
26 | #include <TList.h> |
27 | #include <TLorentzVector.h> |
28 | #include <TClonesArray.h> |
29 | #include "TDatabasePDG.h" |
30 | |
31 | #include "AliAnalysisTaskJetSpectrum.h" |
32 | #include "AliAnalysisManager.h" |
33 | #include "AliJetFinder.h" |
34 | #include "AliJetHeader.h" |
35 | #include "AliJetReader.h" |
36 | #include "AliJetReaderHeader.h" |
37 | #include "AliUA1JetHeaderV1.h" |
38 | #include "AliJet.h" |
39 | #include "AliESDEvent.h" |
40 | #include "AliAODEvent.h" |
41 | #include "AliAODHandler.h" |
42 | #include "AliAODTrack.h" |
43 | #include "AliAODJet.h" |
44 | #include "AliMCEventHandler.h" |
45 | #include "AliMCEvent.h" |
46 | #include "AliStack.h" |
47 | #include "AliGenPythiaEventHeader.h" |
48 | #include "AliJetKineReaderHeader.h" |
49 | #include "AliGenCocktailEventHeader.h" |
50 | #include "AliInputEventHandler.h" |
51 | |
52 | #include "AliAnalysisHelperJetTasks.h" |
53 | |
54 | ClassImp(AliAnalysisTaskJetSpectrum) |
55 | |
df65bddb |
56 | const Float_t AliAnalysisTaskJetSpectrum::fgkJetNpartCut[AliAnalysisTaskJetSpectrum::kMaxCorrelation] = {5,10,1E+09}; |
57 | |
f3050824 |
58 | AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(): AliAnalysisTaskSE(), |
59 | fJetHeaderRec(0x0), |
60 | fJetHeaderGen(0x0), |
61 | fAOD(0x0), |
62 | fBranchRec("jets"), |
63 | fConfigRec("ConfigJets.C"), |
64 | fBranchGen(""), |
65 | fConfigGen(""), |
66 | fUseAODInput(kFALSE), |
67 | fUseExternalWeightOnly(kFALSE), |
68 | fLimitGenJetEta(kFALSE), |
69 | fAnalysisType(0), |
70 | fExternalWeight(1), |
71 | fh1PtHard(0x0), |
72 | fh1PtHard_NoW(0x0), |
73 | fh1PtHard_Trials(0x0), |
74 | fh1NGenJets(0x0), |
75 | fh1NRecJets(0x0), |
df65bddb |
76 | fHistList(0x0) , |
77 | //////////////// |
78 | fh1JetMultiplicity(0x0) , |
79 | fh2ERecZRec(0x0) , |
80 | fh2EGenZGen(0x0) , |
81 | fh2Efficiency(0x0) , |
82 | fh3EGenERecN(0x0) |
83 | //////////////// |
f3050824 |
84 | { |
85 | // Default constructor |
86 | for(int ij = 0;ij<kMaxJets;++ij){ |
df65bddb |
87 | fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0; |
88 | fh2PtFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = 0; |
89 | fh3PtRecGenHard[ij] = fh3PtRecGenHard_NoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPt_NoGen[ij] =fh3GenEtaPhiPt_NoFound[ij] = fh3GenEtaPhiPt[ij] = 0; |
90 | } |
91 | for(int ic = 0;ic < kMaxCorrelation;ic++){ |
92 | fhnCorrelation[ic] = 0; |
93 | } |
f3050824 |
94 | |
95 | } |
96 | |
97 | AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(const char* name): |
98 | AliAnalysisTaskSE(name), |
99 | fJetHeaderRec(0x0), |
100 | fJetHeaderGen(0x0), |
101 | fAOD(0x0), |
102 | fBranchRec("jets"), |
103 | fConfigRec("ConfigJets.C"), |
104 | fBranchGen(""), |
105 | fConfigGen(""), |
106 | fUseAODInput(kFALSE), |
107 | fUseExternalWeightOnly(kFALSE), |
108 | fLimitGenJetEta(kFALSE), |
109 | fAnalysisType(0), |
110 | fExternalWeight(1), |
111 | fh1PtHard(0x0), |
112 | fh1PtHard_NoW(0x0), |
113 | fh1PtHard_Trials(0x0), |
114 | fh1NGenJets(0x0), |
115 | fh1NRecJets(0x0), |
df65bddb |
116 | fHistList(0x0) , |
117 | //////////////// |
118 | fh1JetMultiplicity(0x0) , |
119 | fh2ERecZRec(0x0) , |
120 | fh2EGenZGen(0x0) , |
121 | fh2Efficiency(0x0) , |
122 | fh3EGenERecN(0x0) |
123 | //////////////// |
f3050824 |
124 | { |
125 | // Default constructor |
126 | for(int ij = 0;ij<kMaxJets;++ij){ |
127 | fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0; |
128 | fh2PtFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = 0; |
129 | |
130 | fh3PtRecGenHard[ij] = fh3PtRecGenHard_NoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPt_NoGen[ij] =fh3GenEtaPhiPt_NoFound[ij] = fh3GenEtaPhiPt[ij] = 0; |
131 | } |
132 | |
df65bddb |
133 | for(int ic = 0;ic < kMaxCorrelation;ic++){ |
134 | fhnCorrelation[ic] = 0; |
135 | } |
136 | |
f3050824 |
137 | DefineOutput(1, TList::Class()); |
138 | } |
139 | |
140 | |
141 | |
142 | |
143 | void AliAnalysisTaskJetSpectrum::UserCreateOutputObjects() |
144 | { |
145 | |
146 | // |
147 | // Create the output container |
148 | // |
149 | |
150 | |
151 | // Connect the AOD |
152 | |
153 | if(fUseAODInput){ |
154 | fAOD = dynamic_cast<AliAODEvent*>(InputEvent()); |
155 | if(!fAOD){ |
156 | Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput); |
157 | return; |
158 | } |
159 | // fethc the header |
160 | fJetHeaderRec = dynamic_cast<AliJetHeader*>(fInputHandler->GetTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data()))); |
161 | if(!fJetHeaderRec){ |
162 | Printf("%s:%d Jet Header not found in the Input",(char*)__FILE__,__LINE__); |
163 | } |
164 | } |
165 | else{ |
166 | // assume that the AOD is in the general output... |
167 | fAOD = AODEvent(); |
168 | if(!fAOD){ |
169 | Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__); |
170 | return; |
171 | } |
172 | fJetHeaderRec = dynamic_cast<AliJetHeader*>(OutputTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data()))); |
173 | if(!fJetHeaderRec){ |
174 | Printf("%s:%d Jet Header not found in the Output",(char*)__FILE__,__LINE__); |
175 | } |
176 | else{ |
177 | if(fDebug>10)fJetHeaderRec->Dump(); |
178 | } |
179 | } |
180 | |
181 | |
182 | |
183 | if (fDebug > 1) printf("AnalysisTaskJetSpectrum::UserCreateOutputObjects() \n"); |
184 | |
185 | OpenFile(1); |
186 | if(!fHistList)fHistList = new TList(); |
187 | |
188 | Bool_t oldStatus = TH1::AddDirectoryStatus(); |
189 | TH1::AddDirectory(kFALSE); |
190 | |
191 | // |
192 | // Histogram |
193 | |
194 | const Int_t nBinPt = 100; |
195 | Double_t binLimitsPt[nBinPt+1]; |
196 | for(Int_t iPt = 0;iPt <= nBinPt;iPt++){ |
197 | if(iPt == 0){ |
198 | binLimitsPt[iPt] = 0.0; |
199 | } |
200 | else {// 1.0 |
201 | binLimitsPt[iPt] = binLimitsPt[iPt-1] + 2; |
202 | } |
203 | } |
204 | const Int_t nBinEta = 22; |
205 | Double_t binLimitsEta[nBinEta+1]; |
206 | for(Int_t iEta = 0;iEta<=nBinEta;iEta++){ |
207 | if(iEta==0){ |
208 | binLimitsEta[iEta] = -2.2; |
209 | } |
210 | else{ |
211 | binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.2; |
212 | } |
213 | } |
214 | |
215 | const Int_t nBinPhi = 90; |
216 | Double_t binLimitsPhi[nBinPhi+1]; |
217 | for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){ |
218 | if(iPhi==0){ |
219 | binLimitsPhi[iPhi] = 0; |
220 | } |
221 | else{ |
222 | binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2; |
223 | } |
224 | } |
225 | |
226 | const Int_t nBinFrag = 25; |
227 | |
228 | |
229 | fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt); |
230 | |
231 | fh1PtHard_NoW = new TH1F("fh1PtHard_NoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt); |
232 | |
233 | fh1PtHard_Trials = new TH1F("fh1PtHard_Trials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt); |
234 | |
235 | fh1NGenJets = new TH1F("fh1NGenJets","N generated jets",20,-0.5,19.5); |
236 | |
237 | fh1NRecJets = new TH1F("fh1NRecJets","N reconstructed jets",20,-0.5,19.5); |
238 | |
239 | |
240 | for(int ij = 0;ij<kMaxJets;++ij){ |
241 | fh1E[ij] = new TH1F(Form("fh1E_j%d",ij),"Jet Energy;E_{jet} (GeV);N",nBinPt,binLimitsPt); |
242 | fh1PtRecIn[ij] = new TH1F(Form("fh1PtRecIn_j%d",ij),"rec p_T input ;p_{T,rec}",nBinPt,binLimitsPt); |
243 | fh1PtRecOut[ij] = new TH1F(Form("fh1PtRecOut_j%d",ij),"rec p_T output jets;p_{T,rec}",nBinPt,binLimitsPt); |
244 | fh1PtGenIn[ij] = new TH1F(Form("fh1PtGenIn_j%d",ij),"found p_T input ;p_{T,gen}",nBinPt,binLimitsPt); |
245 | fh1PtGenOut[ij] = new TH1F(Form("fh1PtGenOut_j%d",ij),"found p_T output jets;p_{T,gen}",nBinPt,binLimitsPt); |
246 | |
247 | |
248 | fh2PtFGen[ij] = new TH2F(Form("fh2PtFGen_j%d",ij),"Pt Found vs. gen;p_{T,rec} (GeV/c);p_{T,gen} (GeV/c)", |
249 | nBinPt,binLimitsPt,nBinPt,binLimitsPt); |
250 | |
251 | |
252 | |
253 | |
254 | |
255 | |
256 | fh3PtRecGenHard[ij] = new TH3F(Form("fh3PtRecGenHard_j%d",ij), "Pt hard vs. pt gen vs. pt rec;p_{T,rec};p_{T,gen} (GeV/c);p_{T,hard} (GeV/c)",nBinPt,binLimitsPt,nBinPt,binLimitsPt,nBinPt,binLimitsPt); |
257 | |
258 | |
259 | |
260 | fh3PtRecGenHard_NoW[ij] = new TH3F(Form("fh3PtRecGenHard_NoW_j%d",ij), "Pt hard vs. pt gen vs. pt rec no weight;p_{T,rec};p_{T,gen} (GeV/c);p_{T,hard} (GeV/c)",nBinPt,binLimitsPt,nBinPt,binLimitsPt,nBinPt,binLimitsPt); |
261 | |
262 | |
263 | fh2Frag[ij] = new TH2F(Form("fh2Frag_j%d",ij),"Jet Fragmentation;x=E_{i}/E_{jet};E_{jet};1/N_{jet}dN_{ch}/dx", |
264 | nBinFrag,0.,1.,nBinPt,binLimitsPt); |
265 | |
266 | fh2FragLn[ij] = new TH2F(Form("fh2FragLn_j%d",ij),"Jet Fragmentation Ln;#xi=ln(E_{jet}/E_{i});E_{jet}(GeV);1/N_{jet}dN_{ch}/d#xi", |
267 | nBinFrag,0.,10.,nBinPt,binLimitsPt); |
268 | |
269 | fh3RecEtaPhiPt[ij] = new TH3F(Form("fh3RecEtaPhiPt_j%d",ij),"Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)", |
270 | nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt); |
271 | |
272 | |
273 | |
274 | fh3RecEtaPhiPt_NoGen[ij] = new TH3F(Form("fh3RecEtaPhiPt_NoGen_j%d",ij),"No generated for found jet Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)", |
275 | nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt); |
276 | |
277 | |
278 | fh3GenEtaPhiPt_NoFound[ij] = new TH3F(Form("fh3GenEtaPhiPt_NoFound_j%d",ij),"No found for generated jet eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)", |
279 | nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt); |
280 | |
281 | |
282 | |
283 | fh3GenEtaPhiPt[ij] = new TH3F(Form("fh3GenEtaPhiPt_j%d",ij),"Gen eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)", |
284 | nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt); |
285 | |
286 | } |
df65bddb |
287 | |
288 | ///////////////////////////////////////////////////////////////// |
289 | fh1JetMultiplicity = new TH1F("fh1JetMultiplicity", "Jet Multiplicity", 51, 0., 50.); |
f3050824 |
290 | |
df65bddb |
291 | fh2ERecZRec = new TH2F("fh2ERecZRec", " ; E^{jet}_{rec} [GeV]; z^{lp}_{rec}", 100, 0., 250., 100, 0., 2.); |
292 | fh2EGenZGen = new TH2F("fh2EGenZGen", " ; E^{jet}_{gen} [GeV]; z^{lp}_{gen}", 100, 0., 250., 100, 0., 2.); |
293 | fh2Efficiency = new TH2F("fh2Efficiency", "ERec/EGen;E^{jet}_{gen} [GeV];E^{jet}_{rec}/E^{jet}_{gen}", 100, 0., 250., 100, 0., 1.5); |
f3050824 |
294 | |
df65bddb |
295 | fh3EGenERecN = new TH3F("fh3EGenERecN", "Efficiency vs. Jet Multiplicity", 100., 0., 250., 100, 0., 250., 51, 0., 50.); |
296 | |
297 | // Response map |
298 | //arrays for bin limits |
299 | const Int_t nbin[4] = {100, 100, 100, 100}; |
300 | Double_t LowEdge[4] = {0.,0.,0.,0.}; |
301 | Double_t UpEdge[4] = {250., 250., 1., 1.}; |
302 | |
303 | for(int ic = 0;ic < kMaxCorrelation;ic++){ |
304 | fhnCorrelation[ic] = new THnSparseF(Form("fhnCorrelation_%d",ic), "Response Map", 4, nbin, LowEdge, UpEdge); |
305 | if(ic==0) fhnCorrelation[ic]->SetTitle(Form("ResponseMap 0 <= npart <= %.0E",fgkJetNpartCut[ic])); |
306 | else fhnCorrelation[ic]->SetTitle(Form("ResponseMap %.0E < npart <= %.0E",fgkJetNpartCut[ic-1],fgkJetNpartCut[ic])); |
307 | } |
308 | const Int_t saveLevel = 1; // large save level more histos |
f3050824 |
309 | if(saveLevel>0){ |
310 | fHistList->Add(fh1PtHard); |
311 | fHistList->Add(fh1PtHard_NoW); |
312 | fHistList->Add(fh1PtHard_Trials); |
313 | fHistList->Add(fh1NGenJets); |
314 | fHistList->Add(fh1NRecJets); |
df65bddb |
315 | //////////////////////// |
316 | fHistList->Add(fh1JetMultiplicity); |
317 | fHistList->Add(fh2ERecZRec); |
318 | fHistList->Add(fh2EGenZGen); |
319 | fHistList->Add(fh2Efficiency); |
320 | fHistList->Add(fh3EGenERecN); |
321 | |
322 | for(int ic = 0;ic < kMaxCorrelation;++ic){ |
323 | fHistList->Add(fhnCorrelation[ic]); |
324 | } |
325 | //////////////////////// |
f3050824 |
326 | for(int ij = 0;ij<kMaxJets;++ij){ |
327 | fHistList->Add(fh1E[ij]); |
328 | fHistList->Add(fh1PtRecIn[ij]); |
329 | fHistList->Add(fh1PtRecOut[ij]); |
330 | fHistList->Add(fh1PtGenIn[ij]); |
331 | fHistList->Add(fh1PtGenOut[ij]); |
332 | fHistList->Add(fh2PtFGen[ij]); |
333 | if(saveLevel>2){ |
334 | fHistList->Add(fh3RecEtaPhiPt[ij]); |
335 | fHistList->Add(fh3RecEtaPhiPt_NoGen[ij]); |
336 | fHistList->Add(fh3GenEtaPhiPt_NoFound[ij]); |
337 | fHistList->Add(fh3GenEtaPhiPt[ij]); |
338 | } |
339 | } |
340 | } |
341 | |
342 | // =========== Switch on Sumw2 for all histos =========== |
343 | for (Int_t i=0; i<fHistList->GetEntries(); ++i) { |
344 | TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i)); |
345 | if (h1){ |
346 | // Printf("%s ",h1->GetName()); |
347 | h1->Sumw2(); |
348 | } |
349 | } |
350 | |
351 | TH1::AddDirectory(oldStatus); |
352 | |
353 | } |
354 | |
355 | void AliAnalysisTaskJetSpectrum::Init() |
356 | { |
357 | // |
358 | // Initialization |
359 | // |
360 | |
361 | Printf(">>> AnalysisTaskJetSpectrum::Init() debug level %d\n",fDebug); |
362 | if (fDebug > 1) printf("AnalysisTaskJetSpectrum::Init() \n"); |
363 | |
364 | } |
365 | |
366 | void AliAnalysisTaskJetSpectrum::UserExec(Option_t */*option*/) |
367 | { |
368 | // |
369 | // Execute analysis for current event |
370 | // |
371 | |
372 | |
373 | |
374 | if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry); |
375 | |
376 | |
377 | AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler()); |
378 | |
379 | if(!aodH){ |
380 | Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__); |
381 | return; |
382 | } |
383 | |
384 | |
385 | // aodH->SelectEvent(kTRUE); |
386 | |
387 | // ========= These pointers need to be valid in any case ======= |
388 | |
389 | |
390 | /* |
391 | AliUA1JetHeaderV1 *jhRec = dynamic_cast<AliUA1JetHeaderV1*>(fJetFinderRec->GetHeader()); |
392 | if(!jhRec){ |
393 | Printf("%s:%d No Jet Header found",(char*)__FILE__,__LINE__); |
394 | return; |
395 | } |
396 | */ |
397 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
398 | TClonesArray *aodRecJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchRec.Data())); |
399 | if(!aodRecJets){ |
400 | Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data()); |
401 | return; |
402 | } |
403 | |
404 | // ==== General variables needed |
405 | |
406 | |
407 | // We use statice array, not to fragment the memory |
408 | AliAODJet genJets[kMaxJets]; |
409 | Int_t nGenJets = 0; |
410 | AliAODJet recJets[kMaxJets]; |
411 | Int_t nRecJets = 0; |
df65bddb |
412 | /////////////////////////// |
413 | Int_t nTracks = 0; |
414 | ////////////////////////// |
f3050824 |
415 | |
416 | Double_t eventW = 1; |
417 | Double_t ptHard = 0; |
418 | Double_t nTrials = 1; // Trials for MC trigger weigth for real data |
419 | |
420 | if(fUseExternalWeightOnly){ |
421 | eventW = fExternalWeight; |
422 | } |
423 | |
424 | |
425 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
426 | if((fAnalysisType&kAnaMC)==kAnaMC){ |
427 | // this is the part we only use when we have MC information |
428 | AliMCEvent* mcEvent = MCEvent(); |
429 | // AliStack *pStack = 0; |
430 | if(!mcEvent){ |
431 | Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__); |
432 | return; |
433 | } |
434 | AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent); |
435 | if(!pythiaGenHeader){ |
436 | return; |
437 | } |
438 | |
439 | nTrials = pythiaGenHeader->Trials(); |
440 | ptHard = pythiaGenHeader->GetPtHard(); |
441 | |
442 | |
443 | if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent); |
444 | |
445 | if(!fUseExternalWeightOnly){ |
446 | // case were we combine more than one p_T hard bin... |
447 | } |
448 | |
449 | // fetch the pythia generated jets only to be used here |
450 | Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets(); |
451 | AliAODJet pythiaGenJets[kMaxJets]; |
452 | Int_t iCount = 0; |
453 | for(int ip = 0;ip < nPythiaGenJets;++ip){ |
454 | if(iCount>=kMaxJets)continue; |
455 | Float_t p[4]; |
456 | pythiaGenHeader->TriggerJet(ip,p); |
457 | pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]); |
458 | |
459 | if(fLimitGenJetEta){ |
460 | if(pythiaGenJets[iCount].Eta()>fJetHeaderRec->GetJetEtaMax()|| |
461 | pythiaGenJets[iCount].Eta()<fJetHeaderRec->GetJetEtaMin())continue; |
462 | } |
463 | |
464 | |
465 | if(fBranchGen.Length()==0){ |
466 | // if we have MC particles and we do not read from the aod branch |
467 | // use the pythia jets |
468 | genJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]); |
469 | } |
470 | iCount++; |
471 | } |
472 | if(fBranchGen.Length()==0)nGenJets = iCount; |
473 | |
474 | }// (fAnalysisType&kMC)==kMC) |
475 | |
476 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
477 | fh1PtHard->Fill(ptHard,eventW); |
478 | fh1PtHard_NoW->Fill(ptHard,1); |
479 | fh1PtHard_Trials->Fill(ptHard,nTrials); |
480 | |
481 | // If we set a second branch for the input jets fetch this |
482 | if(fBranchGen.Length()>0){ |
483 | TClonesArray *aodGenJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchGen.Data())); |
484 | if(aodGenJets){ |
485 | Int_t iCount = 0; |
486 | for(int ig = 0;ig < aodGenJets->GetEntries();++ig){ |
487 | if(iCount>=kMaxJets)continue; |
488 | AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodGenJets->At(ig)); |
489 | if(!tmp)continue; |
490 | if(fLimitGenJetEta){ |
491 | if(tmp->Eta()>fJetHeaderRec->GetJetEtaMax()|| |
492 | tmp->Eta()<fJetHeaderRec->GetJetEtaMin())continue; |
493 | } |
494 | genJets[iCount] = *tmp; |
495 | iCount++; |
496 | } |
497 | nGenJets = iCount; |
498 | } |
499 | else{ |
500 | Printf("%s:%d Generated jet branch %s not found",(char*)__FILE__,__LINE__,fBranchGen.Data()); |
501 | } |
502 | } |
503 | |
504 | fh1NGenJets->Fill(nGenJets); |
505 | // We do not want to exceed the maximum jet number |
506 | nGenJets = TMath::Min(nGenJets,kMaxJets); |
507 | |
508 | // Fetch the reconstructed jets... |
509 | |
510 | |
511 | nRecJets = aodRecJets->GetEntries(); |
512 | fh1NRecJets->Fill(nRecJets); |
513 | nRecJets = TMath::Min(nRecJets,kMaxJets); |
df65bddb |
514 | ////////////////////////////////////////// |
515 | nTracks = fAOD->GetNumberOfTracks(); |
516 | /////////////////////////////////////////// |
f3050824 |
517 | |
518 | for(int ir = 0;ir < nRecJets;++ir){ |
519 | AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodRecJets->At(ir)); |
520 | if(!tmp)continue; |
521 | recJets[ir] = *tmp; |
522 | } |
523 | |
524 | |
525 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
526 | // Relate the jets |
527 | Int_t iGenIndex[kMaxJets]; // Index of the generated jet for i-th rec -1 if none |
528 | Int_t iRecIndex[kMaxJets]; // Index of the rec jet for i-th gen -1 if none |
529 | |
530 | for(int i = 0;i<kMaxJets;++i){ |
531 | iGenIndex[i] = iRecIndex[i] = -1; |
532 | } |
533 | |
534 | |
535 | GetClosestJets(genJets,nGenJets,recJets,nRecJets, |
536 | iGenIndex,iRecIndex,fDebug); |
537 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
538 | |
539 | if(fDebug){ |
540 | for(int i = 0;i<kMaxJets;++i){ |
541 | if(iGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,iGenIndex[i]); |
542 | if(iRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,iRecIndex[i]); |
543 | } |
544 | } |
545 | |
546 | // loop over reconstructed jets |
547 | for(int ir = 0;ir < nRecJets;++ir){ |
548 | Double_t ptRec = recJets[ir].Pt(); |
549 | Double_t phiRec = recJets[ir].Phi(); |
550 | if(phiRec<0)phiRec+=TMath::Pi()*2.; |
551 | Double_t etaRec = recJets[ir].Eta(); |
552 | |
553 | fh1E[ir]->Fill(recJets[ir].E(),eventW); |
554 | fh1PtRecIn[ir]->Fill(ptRec,eventW); |
555 | fh3RecEtaPhiPt[ir]->Fill(etaRec,phiRec,ptRec,eventW); |
556 | // Fill Correlation |
557 | Int_t ig = iGenIndex[ir]; |
df65bddb |
558 | if(ig>=0 && ig<nGenJets){ |
f3050824 |
559 | fh1PtRecOut[ir]->Fill(ptRec,eventW); |
df65bddb |
560 | Double_t ptGen = genJets[ig].Pt(); |
561 | Double_t phiGen = genJets[ig].Phi(); |
562 | if(phiGen<0)phiGen+=TMath::Pi()*2.; |
563 | Double_t etaGen = genJets[ig].Eta(); |
f3050824 |
564 | fh2PtFGen[ir]->Fill(ptRec,ptGen,eventW); |
565 | fh3PtRecGenHard[ir]->Fill(ptRec,ptGen,ptHard,eventW); |
566 | fh3PtRecGenHard_NoW[ir]->Fill(ptRec,ptGen,ptHard,1); |
df65bddb |
567 | ///////////////////////////////////////////////////// |
568 | Double_t ERec = recJets[ir].E(); |
569 | Double_t EGen = genJets[ig].E(); |
570 | fh2Efficiency->Fill(EGen, ERec/EGen); |
571 | if (EGen>=0. && EGen<=250.){ |
572 | Double_t Eleading = -1; |
573 | Double_t ptleading = -1; |
574 | Int_t nPart=0; |
575 | // loop over tracks |
576 | for (Int_t it = 0; it< nTracks; it++){ |
577 | if (fAOD->GetTrack(it)->E() > EGen) continue; |
578 | Double_t phiTrack = fAOD->GetTrack(it)->Phi(); |
579 | if (phiTrack<0) phiTrack+=TMath::Pi()*2.; |
580 | Double_t etaTrack = fAOD->GetTrack(it)->Eta(); |
581 | Float_t deta = etaRec - etaTrack; |
582 | Float_t dphi = TMath::Abs(phiRec - phiTrack); |
583 | Float_t R = TMath::Sqrt(deta*deta + dphi*dphi); |
584 | // find leading particle |
585 | if (R<0.4 && fAOD->GetTrack(it)->E()>Eleading){ |
586 | Eleading = fAOD->GetTrack(it)->E(); |
587 | ptleading = fAOD->GetTrack(it)->Pt(); |
588 | } |
589 | if (fAOD->GetTrack(it)->Pt()>0.03*EGen && fAOD->GetTrack(it)->E()<=EGen && R<0.7) |
590 | nPart++; |
591 | } |
592 | // fill Response Map (4D histogram) and Energy vs z distributions |
593 | Double_t var[4] = {EGen, ERec, ptleading/EGen, ptleading/ERec}; |
594 | fh2ERecZRec->Fill(var[1],var[3]); // this has to be filled always in the real case... |
595 | fh2EGenZGen->Fill(var[0],var[2]); |
596 | fh1JetMultiplicity->Fill(nPart); |
597 | fh3EGenERecN->Fill(EGen, ERec, nPart); |
598 | for(int ic = 0;ic <kMaxCorrelation;ic++){ |
599 | if (nPart<=fgkJetNpartCut[ic]){ |
600 | fhnCorrelation[ic]->Fill(var); |
601 | break; |
602 | } |
603 | } |
604 | } |
605 | } |
606 | //////////////////////////////////////////////////// |
f3050824 |
607 | else{ |
608 | fh3RecEtaPhiPt_NoGen[ir]->Fill(etaRec,phiRec,ptRec,eventW); |
609 | } |
610 | }// loop over reconstructed jets |
611 | |
612 | |
613 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
614 | for(int ig = 0;ig < nGenJets;++ig){ |
615 | Double_t ptGen = genJets[ig].Pt(); |
616 | // Fill Correlation |
617 | Double_t phiGen = genJets[ig].Phi(); |
618 | if(phiGen<0)phiGen+=TMath::Pi()*2.; |
619 | Double_t etaGen = genJets[ig].Eta(); |
620 | fh3GenEtaPhiPt[ig]->Fill(etaGen,phiGen,ptGen,eventW); |
621 | fh1PtGenIn[ig]->Fill(ptGen,eventW); |
622 | Int_t ir = iRecIndex[ig]; |
623 | if(ir>=0&&ir<nRecJets){ |
624 | fh1PtGenOut[ig]->Fill(ptGen,eventW); |
625 | } |
626 | else{ |
627 | fh3GenEtaPhiPt_NoFound[ig]->Fill(etaGen,phiGen,ptGen,eventW); |
628 | } |
629 | }// loop over reconstructed jets |
630 | |
631 | if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__); |
632 | PostData(1, fHistList); |
633 | } |
634 | |
635 | void AliAnalysisTaskJetSpectrum::Terminate(Option_t */*option*/) |
636 | { |
637 | // Terminate analysis |
638 | // |
639 | if (fDebug > 1) printf("AnalysisJetSpectrum: Terminate() \n"); |
640 | } |
641 | |
642 | |
643 | void AliAnalysisTaskJetSpectrum::GetClosestJets(AliAODJet *genJets,Int_t &nGenJets, |
644 | AliAODJet *recJets,Int_t &nRecJets, |
645 | Int_t *iGenIndex,Int_t *iRecIndex,Int_t iDebug){ |
646 | |
647 | // |
648 | // Relate the two input jet Arrays |
649 | // |
650 | |
651 | // |
652 | // The association has to be unique |
653 | // So check in two directions |
654 | // find the closest rec to a gen |
655 | // and check if there is no other rec which is closer |
656 | // Caveat: Close low energy/split jets may disturb this correlation |
657 | |
658 | // Idea: search in two directions generated e.g (a--e) and rec (1--3) |
659 | // Fill a matrix with Flags (1 for closest rec jet, 2 for closest rec jet |
660 | // in the end we have something like this |
661 | // 1 2 3 |
662 | // ------------ |
663 | // a| 3 2 0 |
664 | // b| 0 1 0 |
665 | // c| 0 0 3 |
666 | // d| 0 0 1 |
667 | // e| 0 0 1 |
668 | // Topology |
669 | // 1 2 |
670 | // a b |
671 | // |
672 | // d c |
673 | // 3 e |
674 | // Only entries with "3" match from both sides |
675 | |
676 | const int kMode = 3; |
677 | |
678 | Int_t iFlag[kMaxJets][kMaxJets]; |
679 | |
680 | |
681 | |
682 | for(int i = 0;i < kMaxJets;++i){ |
683 | iRecIndex[i] = -1; |
684 | iGenIndex[i] = -1; |
685 | for(int j = 0;j < kMaxJets;++j)iFlag[i][j] = 0; |
686 | } |
687 | |
688 | if(nRecJets==0)return; |
689 | if(nGenJets==0)return; |
690 | |
691 | const Float_t maxDist = 1.0; |
692 | // find the closest distance to the generated |
693 | for(int ig = 0;ig<nGenJets;++ig){ |
694 | Float_t dist = maxDist; |
695 | if(iDebug>1)Printf("Gen (%d) p_T %3.3f eta %3.3f ph %3.3f ",ig,genJets[ig].Pt(),genJets[ig].Eta(),genJets[ig].Phi()); |
696 | for(int ir = 0;ir<nRecJets;++ir){ |
697 | Double_t dR = genJets[ig].DeltaR(&recJets[ir]); |
698 | if(iDebug>1)Printf("Rec (%d) p_T %3.3f eta %3.3f ph %3.3f ",ir,recJets[ir].Pt(),recJets[ir].Eta(),recJets[ir].Phi()); |
699 | if(iDebug>1)Printf("Distance (%d)--(%d) %3.3f ",ig,ir,dR); |
700 | if(dR<dist){ |
701 | iRecIndex[ig] = ir; |
702 | dist = dR; |
703 | } |
704 | } |
705 | if(iRecIndex[ig]>=0)iFlag[ig][iRecIndex[ig]]+=1; |
706 | // reset... |
707 | iRecIndex[ig] = -1; |
708 | } |
709 | // other way around |
710 | for(int ir = 0;ir<nRecJets;++ir){ |
711 | Float_t dist = maxDist; |
712 | for(int ig = 0;ig<nGenJets;++ig){ |
713 | Double_t dR = genJets[ig].DeltaR(&recJets[ir]); |
714 | if(dR<dist){ |
715 | iGenIndex[ir] = ig; |
716 | dist = dR; |
717 | } |
718 | } |
719 | if(iGenIndex[ir]>=0)iFlag[iGenIndex[ir]][ir]+=2; |
720 | // reset... |
721 | iGenIndex[ir] = -1; |
722 | } |
723 | |
724 | // check for "true" correlations |
725 | |
726 | if(iDebug>1)Printf(">>>>>> Matrix"); |
727 | |
728 | for(int ig = 0;ig<nGenJets;++ig){ |
729 | for(int ir = 0;ir<nRecJets;++ir){ |
730 | // Print |
731 | if(iDebug>1)printf("XFL %d ",iFlag[ig][ir]); |
732 | |
733 | if(kMode==3){ |
734 | // we have a uniqie correlation |
735 | if(iFlag[ig][ir]==3){ |
736 | iGenIndex[ir] = ig; |
737 | iRecIndex[ig] = ir; |
738 | } |
739 | } |
740 | else{ |
741 | // we just take the correlation from on side |
742 | if((iFlag[ig][ir]&2)==2){ |
743 | iGenIndex[ir] = ig; |
744 | } |
745 | if((iFlag[ig][ir]&1)==1){ |
746 | iRecIndex[ig] = ir; |
747 | } |
748 | } |
749 | } |
750 | if(iDebug>1)printf("\n"); |
751 | } |
752 | } |
753 | |
754 | |