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Changed error estimate in AliBWTools::GetMeanDataAndExtrapolation + removed debug...
[u/mrichter/AliRoot.git] / JETAN / AliAnalysisTaskJetCluster.cxx
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1// **************************************
2// Task used for the correction of determiantion of reconstructed jet spectra
3// Compares input (gen) and output (rec) jets
4// *******************************************
5
6
7/**************************************************************************
8 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
9 * *
10 * Author: The ALICE Off-line Project. *
11 * Contributors are mentioned in the code where appropriate. *
12 * *
13 * Permission to use, copy, modify and distribute this software and its *
14 * documentation strictly for non-commercial purposes is hereby granted *
15 * without fee, provided that the above copyright notice appears in all *
16 * copies and that both the copyright notice and this permission notice *
17 * appear in the supporting documentation. The authors make no claims *
18 * about the suitability of this software for any purpose. It is *
19 * provided "as is" without express or implied warranty. *
20 **************************************************************************/
21
22
23#include <TROOT.h>
24#include <TRandom.h>
25#include <TSystem.h>
26#include <TInterpreter.h>
27#include <TChain.h>
28#include <TRefArray.h>
29#include <TFile.h>
30#include <TKey.h>
31#include <TH1F.h>
32#include <TH2F.h>
33#include <TH3F.h>
34#include <TProfile.h>
35#include <TList.h>
36#include <TLorentzVector.h>
37#include <TClonesArray.h>
38#include "TDatabasePDG.h"
39
40#include "AliAnalysisTaskJetCluster.h"
41#include "AliAnalysisManager.h"
42#include "AliJetFinder.h"
43#include "AliJetHeader.h"
44#include "AliJetReader.h"
45#include "AliESDEvent.h"
46#include "AliAODEvent.h"
47#include "AliAODHandler.h"
48#include "AliAODTrack.h"
49#include "AliAODJet.h"
50#include "AliAODMCParticle.h"
51#include "AliMCEventHandler.h"
52#include "AliMCEvent.h"
53#include "AliStack.h"
54#include "AliGenPythiaEventHeader.h"
55#include "AliJetKineReaderHeader.h"
56#include "AliGenCocktailEventHeader.h"
57#include "AliInputEventHandler.h"
58
59
60#include "fastjet/PseudoJet.hh"
61#include "fastjet/ClusterSequenceArea.hh"
62#include "fastjet/AreaDefinition.hh"
63#include "fastjet/JetDefinition.hh"
64// get info on how fastjet was configured
65#include "fastjet/config.h"
66
67
68ClassImp(AliAnalysisTaskJetCluster)
69
70AliAnalysisTaskJetCluster::~AliAnalysisTaskJetCluster(){
71 delete fRef;
72}
73
74AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(): AliAnalysisTaskSE(),
75 fAOD(0x0),
76 fAODExtension(0x0),
77 fRef(new TRefArray),
78 fUseAODTrackInput(kFALSE),
79 fUseAODMCInput(kFALSE),
80 fUseGlobalSelection(kFALSE),
81 fFilterMask(0),
82 fTrackTypeRec(kTrackUndef),
83 fTrackTypeGen(kTrackUndef),
84 fNSkipLeadingRan(0),
85 fAvgTrials(1),
86 fExternalWeight(1),
87 fRecEtaWindow(0.5),
88 fTrackPtCut(0.),
89 fJetOutputMinPt(1),
90 fNonStdBranch(""),
91 fNonStdFile(""),
92 fRparam(1.0),
93 fAlgorithm(fastjet::kt_algorithm),
94 fStrategy(fastjet::Best),
95 fRecombScheme(fastjet::BIpt_scheme),
96 fAreaType(fastjet::active_area),
97 fh1Xsec(0x0),
98 fh1Trials(0x0),
99 fh1PtHard(0x0),
100 fh1PtHardNoW(0x0),
101 fh1PtHardTrials(0x0),
102 fh1NJetsRec(0x0),
103 fh1NConstRec(0x0),
104 fh1NConstLeadingRec(0x0),
105 fh1PtJetsRecIn(0x0),
106 fh1PtJetsLeadingRecIn(0x0),
107 fh1PtJetConstRec(0x0),
108 fh1PtJetConstLeadingRec(0x0),
109 fh1PtTracksRecIn(0x0),
110 fh1PtTracksLeadingRecIn(0x0),
111 fh1NJetsRecRan(0x0),
112 fh1NConstRecRan(0x0),
113 fh1PtJetsLeadingRecInRan(0x0),
114 fh1NConstLeadingRecRan(0x0),
115 fh1PtJetsRecInRan(0x0),
116 fh1PtTracksGenIn(0x0),
117 fh1Nch(0x0),
118 fh2NRecJetsPt(0x0),
119 fh2NRecTracksPt(0x0),
120 fh2NConstPt(0x0),
121 fh2NConstLeadingPt(0x0),
122 fh2JetPhiEta(0x0),
123 fh2LeadingJetPhiEta(0x0),
124 fh2JetEtaPt(0x0),
125 fh2LeadingJetEtaPt(0x0),
126 fh2TrackEtaPt(0x0),
127 fh2LeadingTrackEtaPt(0x0),
128 fh2JetsLeadingPhiEta(0x0),
129 fh2JetsLeadingPhiPt(0x0),
130 fh2TracksLeadingPhiEta(0x0),
131 fh2TracksLeadingPhiPt(0x0),
132 fh2TracksLeadingJetPhiPt(0x0),
133 fh2JetsLeadingPhiPtW(0x0),
134 fh2TracksLeadingPhiPtW(0x0),
135 fh2TracksLeadingJetPhiPtW(0x0),
136 fh2NRecJetsPtRan(0x0),
137 fh2NConstPtRan(0x0),
138 fh2NConstLeadingPtRan(0x0),
139 fh2PtNch(0x0),
140 fh2PtNchRan(0x0),
141 fh2PtNchN(0x0),
142 fh2PtNchNRan(0x0),
143 fh2TracksLeadingJetPhiPtRan(0x0),
144 fh2TracksLeadingJetPhiPtWRan(0x0),
145 fHistList(0x0)
146{
147
148}
149
150AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(const char* name):
151 AliAnalysisTaskSE(name),
152 fAOD(0x0),
153 fAODExtension(0x0),
154 fRef(new TRefArray),
155 fUseAODTrackInput(kFALSE),
156 fUseAODMCInput(kFALSE),
157 fUseGlobalSelection(kFALSE),
158 fFilterMask(0),
159 fTrackTypeRec(kTrackUndef),
160 fTrackTypeGen(kTrackUndef),
161 fNSkipLeadingRan(0),
162 fAvgTrials(1),
163 fExternalWeight(1),
164 fRecEtaWindow(0.5),
165 fTrackPtCut(0.),
166 fJetOutputMinPt(1),
167 fNonStdBranch(""),
168 fNonStdFile(""),
169 fRparam(1.0),
170 fAlgorithm(fastjet::kt_algorithm),
171 fStrategy(fastjet::Best),
172 fRecombScheme(fastjet::BIpt_scheme),
173 fAreaType(fastjet::active_area),
174 fh1Xsec(0x0),
175 fh1Trials(0x0),
176 fh1PtHard(0x0),
177 fh1PtHardNoW(0x0),
178 fh1PtHardTrials(0x0),
179 fh1NJetsRec(0x0),
180 fh1NConstRec(0x0),
181 fh1NConstLeadingRec(0x0),
182 fh1PtJetsRecIn(0x0),
183 fh1PtJetsLeadingRecIn(0x0),
184 fh1PtJetConstRec(0x0),
185 fh1PtJetConstLeadingRec(0x0),
186 fh1PtTracksRecIn(0x0),
187 fh1PtTracksLeadingRecIn(0x0),
188 fh1NJetsRecRan(0x0),
189 fh1NConstRecRan(0x0),
190 fh1PtJetsLeadingRecInRan(0x0),
191 fh1NConstLeadingRecRan(0x0),
192 fh1PtJetsRecInRan(0x0),
193 fh1PtTracksGenIn(0x0),
194 fh1Nch(0x0),
195 fh2NRecJetsPt(0x0),
196 fh2NRecTracksPt(0x0),
197 fh2NConstPt(0x0),
198 fh2NConstLeadingPt(0x0),
199 fh2JetPhiEta(0x0),
200 fh2LeadingJetPhiEta(0x0),
201 fh2JetEtaPt(0x0),
202 fh2LeadingJetEtaPt(0x0),
203 fh2TrackEtaPt(0x0),
204 fh2LeadingTrackEtaPt(0x0),
205 fh2JetsLeadingPhiEta(0x0),
206 fh2JetsLeadingPhiPt(0x0),
207 fh2TracksLeadingPhiEta(0x0),
208 fh2TracksLeadingPhiPt(0x0),
209 fh2TracksLeadingJetPhiPt(0x0),
210 fh2JetsLeadingPhiPtW(0x0),
211 fh2TracksLeadingPhiPtW(0x0),
212 fh2TracksLeadingJetPhiPtW(0x0),
213 fh2NRecJetsPtRan(0x0),
214 fh2NConstPtRan(0x0),
215 fh2NConstLeadingPtRan(0x0),
216 fh2PtNch(0x0),
217 fh2PtNchRan(0x0),
218 fh2PtNchN(0x0),
219 fh2PtNchNRan(0x0),
220 fh2TracksLeadingJetPhiPtRan(0x0),
221 fh2TracksLeadingJetPhiPtWRan(0x0),
222 fHistList(0x0)
223{
224 DefineOutput(1, TList::Class());
225}
226
227
228
229Bool_t AliAnalysisTaskJetCluster::Notify()
230{
231 //
232 // Implemented Notify() to read the cross sections
233 // and number of trials from pyxsec.root
234 //
235 return kTRUE;
236}
237
238void AliAnalysisTaskJetCluster::UserCreateOutputObjects()
239{
240
241 //
242 // Create the output container
243 //
244
245
246
247
248 // Connect the AOD
249
250
251 if (fDebug > 1) printf("AnalysisTaskJetCluster::UserCreateOutputObjects() \n");
252
253
254
255 if(fNonStdBranch.Length()!=0)
256 {
257 // only create the output branch if we have a name
258 // Create a new branch for jets...
259 // -> cleared in the UserExec....
260 // here we can also have the case that the brnaches are written to a separate file
261
262 TClonesArray *tca = new TClonesArray("AliAODJet", 0);
263 tca->SetName(fNonStdBranch.Data());
264 AddAODBranch("TClonesArray",&tca,fNonStdFile.Data());
265 if(fNonStdFile.Length()!=0){
266 //
267 // case that we have an AOD extension we need to fetch the jets from the extended output
268 // we identifay the extension aod event by looking for the branchname
269 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
270 TObjArray* extArray = aodH->GetExtensions();
271 if (extArray) {
272 TIter next(extArray);
273 while ((fAODExtension=(AliAODExtension*)next())){
274 TObject *obj = fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data());
275 if(fDebug>10){
276 Printf("%s:%d Dumping..",(char*)__FILE__,__LINE__);
277 fAODExtension->GetAOD()->Dump();
278 }
279 if(obj){
280 if(fDebug>1)Printf("AODExtension found for %s",fNonStdBranch.Data());
281 break;
282 }
283 fAODExtension = 0;
284 }
285 }
286 }
287 }
288
289
290 OpenFile(1);
291 if(!fHistList)fHistList = new TList();
292
293 Bool_t oldStatus = TH1::AddDirectoryStatus();
294 TH1::AddDirectory(kFALSE);
295
296 //
297 // Histogram
298
299 const Int_t nBinPt = 200;
300 Double_t binLimitsPt[nBinPt+1];
301 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
302 if(iPt == 0){
303 binLimitsPt[iPt] = 0.0;
304 }
305 else {// 1.0
306 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 0.5;
307 }
308 }
309
310 const Int_t nBinPhi = 90;
311 Double_t binLimitsPhi[nBinPhi+1];
312 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
313 if(iPhi==0){
314 binLimitsPhi[iPhi] = -1.*TMath::Pi();
315 }
316 else{
317 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
318 }
319 }
320
321
322
323 const Int_t nBinEta = 40;
324 Double_t binLimitsEta[nBinEta+1];
325 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
326 if(iEta==0){
327 binLimitsEta[iEta] = -2.0;
328 }
329 else{
330 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.1;
331 }
332 }
333
334 const int nChMax = 100;
335
336 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
337 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
338
339 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
340 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
341
342
343 fh1NJetsRec = new TH1F("fh1NJetsRec","N reconstructed jets",120,-0.5,119.5);
344 fh1NJetsRecRan = new TH1F("fh1NJetsRecRan","N reconstructed jets",120,-0.5,119.5);
345
346 fh1NConstRec = new TH1F("fh1NConstRec","# jet constituents",120,-0.5,119.5);
347 fh1NConstRecRan = new TH1F("fh1NConstRecRan","# jet constituents",120,-0.5,119.5);
348 fh1NConstLeadingRec = new TH1F("fh1NConstLeadingRec","jet constituents",120,-0.5,119.5);
349 fh1NConstLeadingRecRan = new TH1F("fh1NConstLeadingRecRan","jet constituents",120,-0.5,119.5);
350
351
352 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
353 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
354 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
355
356 fh1PtJetsRecIn = new TH1F("fh1PtJetsRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
357 fh1PtJetsRecInRan = new TH1F("fh1PtJetsRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
358 fh1PtJetsLeadingRecIn = new TH1F("fh1PtJetsLeadingRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
359 fh1PtJetsLeadingRecInRan = new TH1F("fh1PtJetsLeadingRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
360 fh1PtJetConstRec = new TH1F("fh1PtJetsConstRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
361 fh1PtJetConstLeadingRec = new TH1F("fh1PtJetsConstLeadingRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
362 fh1PtTracksRecIn = new TH1F("fh1PtTracksRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
363 fh1PtTracksLeadingRecIn = new TH1F("fh1PtTracksLeadingRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
364 fh1PtTracksGenIn = new TH1F("fh1PtTracksGenIn","gen tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
365 fh1Nch = new TH1F("fh1Nch","charged multiplicity; N_{ch}",nChMax,-0.5,nChMax-0.5);
366
367 fh2NRecJetsPt = new TH2F("fh2NRecJetsPt","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
368 fh2NRecJetsPtRan = new TH2F("fh2NRecJetsPtRan","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
369 fh2NRecTracksPt = new TH2F("fh2NRecTracksPt","Number of tracks above threshhold;p_{T,cut} (GeV/c);N_{tracks}",nBinPt,binLimitsPt,50,-0.5,49.5);
370 //
371
372
373 fh2NConstPt = new TH2F("fh2NConstPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
374 fh2NConstLeadingPt = new TH2F("fh2NConstLeadingPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
375 fh2NConstPtRan = new TH2F("fh2NConstPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
376 fh2NConstLeadingPtRan = new TH2F("fh2NConstLeadingPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
377
378 fh2PtNch = new TH2F("fh2PtNch","p_T of cluster vs. multiplicity; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
379 fh2PtNchRan = new TH2F("fh2PtNchRan","p_T of cluster vs. multiplicity ran; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
380 fh2PtNchN = new TH2F("fh2PtNchN","p_T of cluster vs. multiplicity N weighted; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
381 fh2PtNchNRan = new TH2F("fh2PtNchNRan","p_T of cluster vs. multiplicity N weighted ran; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
382
383
384
385 fh2JetPhiEta = new TH2F("fh2JetPhiEta","eta vs phi all jets;#phi;#eta",
386 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
387 fh2LeadingJetPhiEta = new TH2F("fh2LeadingJetPhiEta","eta vs phi leading jets;#phi;#eta",
388 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
389
390 fh2JetEtaPt = new TH2F("fh2JetEtaPt","pt vs eta all jets;#eta;p_{T}",
391 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
392 fh2LeadingJetEtaPt = new TH2F("fh2LeadingJetEtaPt","pT vs eta leading jets;#eta;p_{T}",
393 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
394
395 fh2TrackEtaPt = new TH2F("fh2TrackEtaPt","pt vs eta all jets;#eta;p_{T}",
396 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
397 fh2LeadingTrackEtaPt = new TH2F("fh2LeadingTrackEtaPt","pT vs eta leading jets;#eta;p_{T}",
398 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
399
400
401
402 fh2JetsLeadingPhiEta = new TH2F("fh2JetsLeadingPhiEta","delta eta vs delta phi to leading jet;#Delta#phi;#Delta#eta",
403 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
404 fh2JetsLeadingPhiPt = new TH2F("fh2JetsLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
405 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
406 fh2TracksLeadingPhiEta = new TH2F("fh2TracksLeadingPhiEta","delta eta vs delta phi to leading track;#Delta#phi;#Delta#eta",
407 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
408 fh2TracksLeadingPhiPt = new TH2F("fh2TracksLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
409 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
410 fh2TracksLeadingJetPhiPt = new TH2F("fh2TracksLeadingJetPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
411 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
412 fh2TracksLeadingJetPhiPtRan = new TH2F("fh2TracksLeadingJetPhiPtRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
413 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
414
415 fh2JetsLeadingPhiPtW = new TH2F("fh2JetsLeadingPhiPtW","leading p_T vs delta phi p_T weigted to leading jet;#Delta#phi;p_{T} (GeV/c)",
416 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
417 fh2TracksLeadingPhiPtW = new TH2F("fh2TracksLeadingPhiPtW","leading p_T vs delta phi to leading jet (p_T weighted);#Delta#phi;p_{T} (GeV/c)",
418 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
419
420 fh2TracksLeadingJetPhiPtW = new TH2F("fh2TracksLeadingJetPhiPtW","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
421 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
422 fh2TracksLeadingJetPhiPtWRan = new TH2F("fh2TracksLeadingJetPhiPtWRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
423 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
424
425
426
427 const Int_t saveLevel = 3; // large save level more histos
428 if(saveLevel>0){
429 fHistList->Add(fh1Xsec);
430 fHistList->Add(fh1Trials);
431
432 fHistList->Add(fh1NJetsRec);
433 fHistList->Add(fh1NConstRec);
434 fHistList->Add(fh1NConstLeadingRec);
435 fHistList->Add(fh1PtJetsRecIn);
436 fHistList->Add(fh1PtJetsLeadingRecIn);
437 fHistList->Add(fh1PtTracksRecIn);
438 fHistList->Add(fh1PtTracksLeadingRecIn);
439 fHistList->Add(fh1PtJetConstRec);
440 fHistList->Add(fh1PtJetConstLeadingRec);
441 fHistList->Add(fh1NJetsRecRan);
442 fHistList->Add(fh1NConstRecRan);
443 fHistList->Add(fh1PtJetsLeadingRecInRan);
444 fHistList->Add(fh1NConstLeadingRecRan);
445 fHistList->Add(fh1PtJetsRecInRan);
446 fHistList->Add(fh1Nch);
447 fHistList->Add(fh2NRecJetsPt);
448 fHistList->Add(fh2NRecTracksPt);
449 fHistList->Add(fh2NConstPt);
450 fHistList->Add(fh2NConstLeadingPt);
451 fHistList->Add(fh2PtNch);
452 fHistList->Add(fh2PtNchRan);
453 fHistList->Add(fh2PtNchN);
454 fHistList->Add(fh2PtNchNRan);
455 fHistList->Add(fh2JetPhiEta);
456 fHistList->Add(fh2LeadingJetPhiEta);
457 fHistList->Add(fh2JetEtaPt);
458 fHistList->Add(fh2LeadingJetEtaPt);
459 fHistList->Add(fh2TrackEtaPt);
460 fHistList->Add(fh2LeadingTrackEtaPt);
461 fHistList->Add(fh2JetsLeadingPhiEta );
462 fHistList->Add(fh2JetsLeadingPhiPt);
463 fHistList->Add(fh2TracksLeadingPhiEta);
464 fHistList->Add(fh2TracksLeadingPhiPt);
465 fHistList->Add(fh2TracksLeadingJetPhiPt);
466 fHistList->Add(fh2JetsLeadingPhiPtW);
467 fHistList->Add(fh2TracksLeadingPhiPtW);
468 fHistList->Add(fh2TracksLeadingJetPhiPtW);
469 fHistList->Add(fh2NRecJetsPtRan);
470 fHistList->Add(fh2NConstPtRan);
471 fHistList->Add(fh2NConstLeadingPtRan);
472 fHistList->Add(fh2TracksLeadingJetPhiPtRan);
473 fHistList->Add(fh2TracksLeadingJetPhiPtWRan);
474 }
475
476 // =========== Switch on Sumw2 for all histos ===========
477 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
478 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
479 if (h1){
480 h1->Sumw2();
481 continue;
482 }
483 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
484 if(hn)hn->Sumw2();
485 }
486 TH1::AddDirectory(oldStatus);
487}
488
489void AliAnalysisTaskJetCluster::Init()
490{
491 //
492 // Initialization
493 //
494
495 if (fDebug > 1) printf("AnalysisTaskJetCluster::Init() \n");
496
497}
498
499void AliAnalysisTaskJetCluster::UserExec(Option_t */*option*/)
500{
501
502 if(fUseGlobalSelection){
503 // no selection by the service task, we continue
504 if (fDebug > 1)Printf("Not selected %s:%d",(char*)__FILE__,__LINE__);
505 PostData(1, fHistList);
506 return;
507 }
508
509 // handle and reset the output jet branch
510 // only need this once
511 TClonesArray* jarray = 0;
512 if(fNonStdBranch.Length()!=0) {
513 if(AODEvent())jarray = (TClonesArray*)(AODEvent()->FindListObject(fNonStdBranch.Data()));
514 if(!jarray)jarray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data()));
515 if(jarray)jarray->Delete(); // this is our responsibility, clear before filling again
516 }
517
518 //
519 // Execute analysis for current event
520 //
521 AliESDEvent *fESD = 0;
522 if(fUseAODTrackInput){
523 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
524 if(!fAOD){
525 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODTrackInput);
526 return;
527 }
528 // fethc the header
529 }
530 else{
531 // assume that the AOD is in the general output...
532 fAOD = AODEvent();
533 if(!fAOD){
534 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
535 return;
536 }
537 if(fDebug>0){
538 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
539 }
540 }
541
542 Bool_t selectEvent = false;
543 Bool_t physicsSelection = true;// handled by the framework(fInputHandler->IsEventSelected()&AliVEvent::kMB)==AliVEvent::kMB;
544
545 if(fAOD){
546 const AliAODVertex *vtxAOD = fAOD->GetPrimaryVertex();
547 TString vtxTitle(vtxAOD->GetTitle());
548
549 if(vtxAOD->GetNContributors()>2&&!vtxTitle.Contains("TPCVertex")){
550 Float_t zvtx = vtxAOD->GetZ();
551 Float_t yvtx = vtxAOD->GetY();
552 Float_t xvtx = vtxAOD->GetX();
553 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
554 if(TMath::Abs(zvtx)<8.&&r2<1.){
555 if(physicsSelection)selectEvent = true;
556 }
557 }
558 }
559 if(!selectEvent){
560 PostData(1, fHistList);
561 return;
562 }
563
564 fh1Trials->Fill("#sum{ntrials}",1);
565
566
567 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
568
569 // ==== General variables needed
570
571
572
573 // we simply fetch the tracks/mc particles as a list of AliVParticles
574
575 TList recParticles;
576 TList genParticles;
577
578 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
579 Float_t nCh = recParticles.GetEntries();
580 fh1Nch->Fill(nCh);
581 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
582 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
583 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
584
585 // find the jets....
586
587 vector<fastjet::PseudoJet> inputParticlesRec;
588 vector<fastjet::PseudoJet> inputParticlesRecRan;
589 for(int i = 0; i < recParticles.GetEntries(); i++){
590 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
591 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
592 // we talk total momentum here
593 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->P());
594 jInp.set_user_index(i);
595 inputParticlesRec.push_back(jInp);
596
597 // the randomized input changes eta and phi, but keeps the p_T
598 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
599 Double_t pT = vp->Pt();
600 Double_t eta = 1.8 * gRandom->Rndm() - 0.9;
601 Double_t phi = 2.* TMath::Pi() * gRandom->Rndm();
602
603 Double_t theta = 2.*TMath::ATan(TMath::Exp(-2.*eta));
604 Double_t pZ = pT/TMath::Tan(theta);
605
606 Double_t pX = pT * TMath::Cos(phi);
607 Double_t pY = pT * TMath::Sin(phi);
608 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
609 fastjet::PseudoJet jInpRan(pX,pY,pZ,p);
610 jInpRan.set_user_index(i);
611 inputParticlesRecRan.push_back(jInpRan);
612 }
613
614 // fill the tref array, only needed when we write out jets
615 if(jarray){
616 if(i == 0){
617 fRef->Delete(); // make sure to delete before placement new...
618 new(fRef) TRefArray(TProcessID::GetProcessWithUID(vp));
619 }
620 fRef->Add(vp);
621 }
622 }
623
624 if(inputParticlesRec.size()==0){
625 if(fDebug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__);
626 PostData(1, fHistList);
627 return;
628 }
629
630 // run fast jet
631 fastjet::JetDefinition jetDef(fAlgorithm, fRparam, fRecombScheme, fStrategy);
632 vector <fastjet::PseudoJet> inclusiveJets, sortedJets;
633 fastjet::ClusterSequence clustSeq(inputParticlesRec, jetDef);
634
635 inclusiveJets = clustSeq.inclusive_jets();
636 sortedJets = sorted_by_pt(inclusiveJets);
637
638 fh1NJetsRec->Fill(sortedJets.size());
639
640 // loop over all jets an fill information, first on is the leading jet
641
642 Int_t nRecOver = inclusiveJets.size();
643 Int_t nRec = inclusiveJets.size();
644 if(inclusiveJets.size()>0){
645 AliAODJet leadingJet (sortedJets[0].px(), sortedJets[0].py(), sortedJets[0].pz(), sortedJets[0].E());
646 Float_t pt = leadingJet.Pt();
647 Int_t nAodOutJets = 0;
648 Int_t nAodOutTracks = 0;
649 AliAODJet *aodOutJet = 0;
650
651 Int_t iCount = 0;
652 for(int i = 1;i <= fh2NRecJetsPt->GetNbinsX();i++){
653 Float_t ptCut = fh2NRecJetsPt->GetXaxis()->GetBinCenter(i);
654 while(pt<ptCut&&iCount<nRec){
655 nRecOver--;
656 iCount++;
657 if(iCount<nRec){
658 pt = sortedJets[iCount].perp();
659 }
660 }
661 if(nRecOver<=0)break;
662 fh2NRecJetsPt->Fill(ptCut,nRecOver);
663 }
664 Float_t phi = leadingJet.Phi();
665 if(phi<0)phi+=TMath::Pi()*2.;
666 Float_t eta = leadingJet.Eta();
667 pt = leadingJet.Pt();
668
669 // correlation of leading jet with tracks
670 TIterator *recIter = recParticles.MakeIterator();
671 recIter->Reset();
672 AliVParticle *tmpRecTrack = 0;
673 while((tmpRecTrack = (AliVParticle*)(recIter->Next()))){
674 Float_t tmpPt = tmpRecTrack->Pt();
675 // correlation
676 Float_t tmpPhi = tmpRecTrack->Phi();
677 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
678 Float_t dPhi = phi - tmpPhi;
679 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
680 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
681 fh2TracksLeadingJetPhiPt->Fill(dPhi,pt);
682 fh2TracksLeadingJetPhiPtW->Fill(dPhi,pt,tmpPt);
683 }
684
685
686
687 for(int j = 0; j < nRec;j++){
688 AliAODJet tmpRec (sortedJets[j].px(), sortedJets[j].py(), sortedJets[j].pz(), sortedJets[j].E());
689 aodOutJet = 0;
690 nAodOutTracks = 0;
691 Float_t tmpPt = tmpRec.Pt();
692 fh1PtJetsRecIn->Fill(tmpPt);
693 // Fill Spectra with constituents
694 vector<fastjet::PseudoJet> constituents = clustSeq.constituents(sortedJets[j]);
695 fh1NConstRec->Fill(constituents.size());
696 fh2PtNch->Fill(nCh,tmpPt);
697 fh2PtNchN->Fill(nCh,tmpPt,constituents.size());
698 fh2NConstPt->Fill(tmpPt,constituents.size());
699 // loop over constiutents and fill spectrum
700
701 // Add the jet information and the track references to the output AOD
702
703 if(tmpPt>fJetOutputMinPt&&jarray){
704 aodOutJet = new ((*jarray)[nAodOutJets++]) AliAODJet(tmpRec);
705 Double_t area=clustSeq.area(sortedJets[j]);
706 aodOutJet->SetEffArea(area,0);
707 }
708
709
710 for(unsigned int ic = 0; ic < constituents.size();ic++){
711 AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
712 fh1PtJetConstRec->Fill(part->Pt());
713 if(aodOutJet){
714 aodOutJet->AddTrack(fRef->At(constituents[ic].user_index()));
715 }
716 if(j==0)fh1PtJetConstLeadingRec->Fill(part->Pt());
717 }
718
719
720
721
722
723
724
725
726 // correlation
727 Float_t tmpPhi = tmpRec.Phi();
728 Float_t tmpEta = tmpRec.Eta();
729 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
730
731 if(j==0){
732 fh1PtJetsLeadingRecIn->Fill(tmpPt);
733 fh2LeadingJetPhiEta->Fill(tmpPhi,tmpEta);
734 fh2LeadingJetEtaPt->Fill(tmpEta,tmpPt);
735 fh1NConstLeadingRec->Fill(constituents.size());
736 fh2NConstLeadingPt->Fill(tmpPt,constituents.size());
737 continue;
738 }
739 fh2JetPhiEta->Fill(tmpRec.Phi(),tmpEta);
740 fh2JetEtaPt->Fill(tmpEta,tmpPt);
741 Float_t dPhi = phi - tmpPhi;
742 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
743 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
744 Float_t dEta = eta - tmpRec.Eta();
745 fh2JetsLeadingPhiEta->Fill(dPhi,dEta);
746 fh2JetsLeadingPhiPt->Fill(dPhi,pt);
747 fh2JetsLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
748 }
749 delete recIter;
750 }
751
752 // fill track information
753 Int_t nTrackOver = recParticles.GetSize();
754 // do the same for tracks and jets
755 if(nTrackOver>0){
756 TIterator *recIter = recParticles.MakeIterator();
757 AliVParticle *tmpRec = (AliVParticle*)(recIter->Next());
758 Float_t pt = tmpRec->Pt();
759 // Printf("Leading track p_t %3.3E",pt);
760 for(int i = 1;i <= fh2NRecTracksPt->GetNbinsX();i++){
761 Float_t ptCut = fh2NRecTracksPt->GetXaxis()->GetBinCenter(i);
762 while(pt<ptCut&&tmpRec){
763 nTrackOver--;
764 tmpRec = (AliVParticle*)(recIter->Next());
765 if(tmpRec){
766 pt = tmpRec->Pt();
767 }
768 }
769 if(nTrackOver<=0)break;
770 fh2NRecTracksPt->Fill(ptCut,nTrackOver);
771 }
772
773 recIter->Reset();
774 AliVParticle *leading = (AliVParticle*)recParticles.At(0);
775 Float_t phi = leading->Phi();
776 if(phi<0)phi+=TMath::Pi()*2.;
777 Float_t eta = leading->Eta();
778 pt = leading->Pt();
779 while((tmpRec = (AliVParticle*)(recIter->Next()))){
780 Float_t tmpPt = tmpRec->Pt();
781 Float_t tmpEta = tmpRec->Eta();
782 fh1PtTracksRecIn->Fill(tmpPt);
783 fh2TrackEtaPt->Fill(tmpEta,tmpPt);
784 if(tmpRec==leading){
785 fh1PtTracksLeadingRecIn->Fill(tmpPt);
786 fh2LeadingTrackEtaPt->Fill(tmpEta,tmpPt);
787 continue;
788 }
789 // correlation
790 Float_t tmpPhi = tmpRec->Phi();
791
792 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
793 Float_t dPhi = phi - tmpPhi;
794 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
795 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
796 Float_t dEta = eta - tmpRec->Eta();
797 fh2TracksLeadingPhiEta->Fill(dPhi,dEta);
798 fh2TracksLeadingPhiPt->Fill(dPhi,pt);
799 fh2TracksLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
800 }
801 delete recIter;
802 }
803
804 // find the random jets
805 vector <fastjet::PseudoJet> inclusiveJetsRan, sortedJetsRan;
806 fastjet::ClusterSequence clustSeqRan(inputParticlesRecRan, jetDef);
807
808 inclusiveJetsRan = clustSeqRan.inclusive_jets();
809 sortedJetsRan = sorted_by_pt(inclusiveJetsRan);
810
811 // fill the jet information from random track
812
813 fh1NJetsRecRan->Fill(sortedJetsRan.size());
814
815 // loop over all jets an fill information, first on is the leading jet
816
817 Int_t nRecOverRan = inclusiveJetsRan.size();
818 Int_t nRecRan = inclusiveJetsRan.size();
819 if(inclusiveJetsRan.size()>0){
820 AliAODJet leadingJet (sortedJetsRan[0].px(), sortedJetsRan[0].py(), sortedJetsRan[0].pz(), sortedJetsRan[0].E());
821 Float_t pt = leadingJet.Pt();
822
823 Int_t iCount = 0;
824 for(int i = 1;i <= fh2NRecJetsPtRan->GetNbinsX();i++){
825 Float_t ptCut = fh2NRecJetsPtRan->GetXaxis()->GetBinCenter(i);
826 while(pt<ptCut&&iCount<nRecRan){
827 nRecOverRan--;
828 iCount++;
829 if(iCount<nRecRan){
830 pt = sortedJetsRan[iCount].perp();
831 }
832 }
833 if(nRecOverRan<=0)break;
834 fh2NRecJetsPtRan->Fill(ptCut,nRecOverRan);
835 }
836 Float_t phi = leadingJet.Phi();
837 if(phi<0)phi+=TMath::Pi()*2.;
838 pt = leadingJet.Pt();
839
840 // correlation of leading jet with random tracks
841
842 for(unsigned int ip = 0; ip < inputParticlesRecRan.size();ip++)
843 {
844 Float_t tmpPt = inputParticlesRecRan[ip].perp();
845 // correlation
846 Float_t tmpPhi = inputParticlesRecRan[ip].phi();
847 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
848 Float_t dPhi = phi - tmpPhi;
849 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
850 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
851 fh2TracksLeadingJetPhiPtRan->Fill(dPhi,pt);
852 fh2TracksLeadingJetPhiPtWRan->Fill(dPhi,pt,tmpPt);
853 }
854
855
856
857 for(int j = 0; j < nRecRan;j++){
858 AliAODJet tmpRec (sortedJetsRan[j].px(), sortedJetsRan[j].py(), sortedJetsRan[j].pz(), sortedJetsRan[j].E());
859 Float_t tmpPt = tmpRec.Pt();
860 fh1PtJetsRecInRan->Fill(tmpPt);
861 // Fill Spectra with constituents
862 vector<fastjet::PseudoJet> constituents = clustSeqRan.constituents(sortedJetsRan[j]);
863 fh1NConstRecRan->Fill(constituents.size());
864 fh2NConstPtRan->Fill(tmpPt,constituents.size());
865 fh2PtNchRan->Fill(nCh,tmpPt);
866 fh2PtNchNRan->Fill(nCh,tmpPt,constituents.size());
867 // correlation
868 Float_t tmpPhi = tmpRec.Phi();
869 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
870
871 if(j==0){
872 fh1PtJetsLeadingRecInRan->Fill(tmpPt);
873 fh1NConstLeadingRecRan->Fill(constituents.size());
874 fh2NConstLeadingPtRan->Fill(tmpPt,constituents.size());
875 continue;
876 }
877 }
878 }
879
880
881 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
882 PostData(1, fHistList);
883}
884
885void AliAnalysisTaskJetCluster::Terminate(Option_t */*option*/)
886{
887// Terminate analysis
888//
889 if (fDebug > 1) printf("AnalysisJetCluster: Terminate() \n");
890}
891
892
893Int_t AliAnalysisTaskJetCluster::GetListOfTracks(TList *list,Int_t type){
894
895 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
896
897 Int_t iCount = 0;
898 if(type==kTrackAOD){
899 AliAODEvent *aod = 0;
900 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
901 else aod = AODEvent();
902 if(!aod){
903 return iCount;
904 }
905 for(int it = 0;it < aod->GetNumberOfTracks();++it){
906 AliAODTrack *tr = aod->GetTrack(it);
907 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
908 if(TMath::Abs(tr->Eta())>0.9)continue;
909 // if(tr->Pt()<0.3)continue;
910 list->Add(tr);
911 iCount++;
912 }
913 }
914 else if (type == kTrackKineAll||type == kTrackKineCharged){
915 AliMCEvent* mcEvent = MCEvent();
916 if(!mcEvent)return iCount;
917 // we want to have alivpartilces so use get track
918 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
919 if(!mcEvent->IsPhysicalPrimary(it))continue;
920 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
921 if(type == kTrackKineAll){
922 list->Add(part);
923 iCount++;
924 }
925 else if(type == kTrackKineCharged){
926 if(part->Particle()->GetPDG()->Charge()==0)continue;
927 list->Add(part);
928 iCount++;
929 }
930 }
931 }
932 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
933 AliAODEvent *aod = 0;
934 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
935 else aod = AODEvent();
936 if(!aod)return iCount;
937 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
938 if(!tca)return iCount;
939 for(int it = 0;it < tca->GetEntriesFast();++it){
940 AliAODMCParticle *part = (AliAODMCParticle*)(tca->At(it));
941 if(!part->IsPhysicalPrimary())continue;
942 if(type == kTrackAODMCAll){
943 list->Add(part);
944 iCount++;
945 }
946 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
947 if(part->Charge()==0)continue;
948 if(kTrackAODMCCharged){
949 list->Add(part);
950 }
951 else {
952 if(TMath::Abs(part->Eta())>0.9)continue;
953 list->Add(part);
954 }
955 iCount++;
956 }
957 }
958 }// AODMCparticle
959 list->Sort();
960 return iCount;
961
962}
963
964/*
965Int_t AliAnalysisTaskJetCluster::AddParticlesFastJet(TList &particles,vector<fastjet::PseudoJet> &inputParticles){
966 for(int i = 0; i < particles.GetEntries(); i++){
967 AliVParticle *vp = (AliVParticle*)particles.At(i);
968 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
969 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->E());
970 jInp.set_user_index(i);
971 inputParticles.push_back(jInp);
972 }
973
974 return 0;
975
976}
977*/