Added 4 Area backgroudn subtraction
[u/mrichter/AliRoot.git] / JETAN / AliAnalysisTaskJetBackgroundSubtract.cxx
CommitLineData
fb10c4b8 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 <TH1F.h>
d9c0c425 25#include <TH2F.h>
fb10c4b8 26#include <THnSparse.h>
27#include <TSystem.h>
28#include <TInterpreter.h>
29#include <TList.h>
30#include <TLorentzVector.h>
d9c0c425 31#include <TRefArray.h>
fb10c4b8 32#include "TDatabasePDG.h"
33
34#include "AliAnalysisTaskJetBackgroundSubtract.h"
35#include "AliAnalysisManager.h"
36#include "AliAODHandler.h"
37#include "AliAODTrack.h"
38#include "AliAODJet.h"
39#include "AliAODEvent.h"
40#include "AliInputEventHandler.h"
41#include "AliAODJetEventBackground.h"
42
43
44ClassImp(AliAnalysisTaskJetBackgroundSubtract)
45
46AliAnalysisTaskJetBackgroundSubtract::~AliAnalysisTaskJetBackgroundSubtract(){
47 delete fJBArray;
48 delete fOutJetArrayList;
49 delete fInJetArrayList;
50}
51
52AliAnalysisTaskJetBackgroundSubtract::AliAnalysisTaskJetBackgroundSubtract():
53 AliAnalysisTaskSE(),
54 fAODOut(0x0),
55 fAODIn(0x0),
56 fAODExtension(0x0),
57 fJBArray(new TObjArray()),
58 fBackgroundBranch(""),
59 fNonStdFile(""),
60 fReplaceString1("B0"),
61 fReplaceString2("B%d"),
d73e1768 62 fSubtraction(k4Area),
fb10c4b8 63 fInJetArrayList(0x0),
64 fOutJetArrayList(0x0),
d73e1768 65 fh2CentvsRho(0x0),
66 fh2CentvsSigma(0x0),
67 fh2ShiftEta(0x0),
68 fh2ShiftPhi(0x0),
69 fh2ShiftEtaLeading(0x0),
70 fh2ShiftPhiLeading(0x0),
fb10c4b8 71 fHistList(0x0)
72{
73
74}
75
76AliAnalysisTaskJetBackgroundSubtract::AliAnalysisTaskJetBackgroundSubtract(const char* name):
77
78 AliAnalysisTaskSE(name),
79 fAODOut(0x0),
80 fAODIn(0x0),
81 fAODExtension(0x0),
82 fJBArray(new TObjArray()),
83 fBackgroundBranch(""),
84 fNonStdFile(""),
85 fReplaceString1("B0"),
86 fReplaceString2("B%d"),
d73e1768 87 fSubtraction(k4Area),
fb10c4b8 88 fInJetArrayList(0x0),
89 fOutJetArrayList(0x0),
d73e1768 90 fh2CentvsRho(0x0),
91 fh2CentvsSigma(0x0),
92 fh2ShiftEta(0x0),
93 fh2ShiftPhi(0x0),
94 fh2ShiftEtaLeading(0x0),
95 fh2ShiftPhiLeading(0x0),
fb10c4b8 96 fHistList(0x0)
97{
98 DefineOutput(1, TList::Class());
99}
100
101
102
103Bool_t AliAnalysisTaskJetBackgroundSubtract::Notify()
104{
105 //
1c21a0e7 106 fAODIn = dynamic_cast<AliAODEvent*>(InputEvent());
107
108 ResetOutJets();
109
110 // Now we also have the Input Event Available! Fillvthe pointers in the list
111
112 fInJetArrayList->Clear();
113 fOutJetArrayList->Clear();
114
115 for(int iJB = 0;iJB<fJBArray->GetEntries();iJB++){
116 TObjString *ostr = (TObjString*)fJBArray->At(iJB);
a18eedbb 117
118
1c21a0e7 119 TClonesArray* jarray = 0;
120 if(!jarray&&fAODOut){
121 jarray = (TClonesArray*)(fAODOut->FindListObject(ostr->GetString().Data()));
122 }
123 if(!jarray&&fAODExtension){
124 jarray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(ostr->GetString().Data()));
125 }
126 if(!jarray&&fAODIn){
127 jarray = (TClonesArray*)(fAODIn->FindListObject(ostr->GetString().Data()));
128 }
129
130 if(!jarray){
131 if(fDebug){
132 Printf("%s:%d Input jet branch %s not found",(char*)__FILE__,__LINE__,ostr->GetString().Data());
133 }
134 continue;
135 }
136
137 TString newName(ostr->GetString().Data());
138 newName.ReplaceAll(fReplaceString1.Data(),Form(fReplaceString2.Data(),fSubtraction));
139 TClonesArray* jarrayOut = 0;
140 if(!jarrayOut&&fAODOut){
141 jarrayOut = (TClonesArray*)(fAODOut->FindListObject(newName.Data()));
142 }
143 if(!jarrayOut&&fAODExtension){
144 jarrayOut = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(newName.Data()));
145 }
146
147 if(!jarrayOut){
148 if(fDebug){
149 Printf("%s:%d Output jet branch %s not found",(char*)__FILE__,__LINE__,newName.Data());
150 PrintAODContents();
151 }
152 continue;
153 }
154 if(jarrayOut&&jarray){
155 fOutJetArrayList->Add(jarrayOut);
156 fInJetArrayList->Add(jarray);
157 }
158 }
fb10c4b8 159 return kTRUE;
160}
161
162void AliAnalysisTaskJetBackgroundSubtract::UserCreateOutputObjects()
163{
164
165 //
166 // Create the output container
167 //
168 // Connect the AOD
169
fb10c4b8 170 if (fDebug > 1) printf("AnalysisTaskJetBackgroundSubtract::UserCreateOutputObjects() \n");
171 if(fNonStdFile.Length()!=0){
a18eedbb 172
fb10c4b8 173 // case that we have an AOD extension we need to fetch the jets from the extended output
174 // we identifay the extension aod event by looking for the branchname
175 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
176 fAODExtension = aodH->GetExtension(fNonStdFile.Data());
177
178 if(!fAODExtension){
179 if(fDebug>1)Printf("AODExtension found for %s",fNonStdFile.Data());
180 }
181 }
182 fAODOut = AODEvent();
fb10c4b8 183
1c21a0e7 184 // usually we do not have the input already here
fb10c4b8 185
186 if(!fInJetArrayList)fInJetArrayList =new TList();
187 if(!fOutJetArrayList)fOutJetArrayList =new TList();
188
189 for(int iJB = 0;iJB<fJBArray->GetEntries();iJB++){
fb10c4b8 190 TObjString *ostr = (TObjString*)fJBArray->At(iJB);
1c21a0e7 191 TString newName(ostr->GetString().Data());
fb10c4b8 192 if(!newName.Contains(fReplaceString1.Data())){
193 Printf("%s:%d cannot replace string %s in %s",(char*)__FILE__,__LINE__,fReplaceString1.Data(),
1c21a0e7 194 newName.Data());
fb10c4b8 195 continue;
196 }
197
fb10c4b8 198 // add a new branch to the output for the background subtracted jets take the names from
199 // the input jets and replace the background flag names
200 TClonesArray *tca = new TClonesArray("AliAODJet", 0);
fb10c4b8 201 newName.ReplaceAll(fReplaceString1.Data(),Form(fReplaceString2.Data(),fSubtraction));
202 if(fDebug){
203 Printf("%s:%d created branch \n %s from \n %s",(char*)__FILE__,__LINE__,newName.Data(),
1c21a0e7 204 ostr->GetString().Data());
fb10c4b8 205 }
206 tca->SetName(newName.Data());
207 AddAODBranch("TClonesArray",&tca,fNonStdFile.Data());
fb10c4b8 208 }
209
210
fb10c4b8 211 if(!fHistList)fHistList = new TList();
212 fHistList->SetOwner();
213
1c21a0e7 214 for(int iJB = 0;iJB<fJBArray->GetEntries();iJB++){
215 TObjString *ostr = (TObjString*)fJBArray->At(iJB);
216 TString oldName(ostr->GetString().Data());
217 TString newName(ostr->GetString().Data());
218 if(!newName.Contains(fReplaceString1.Data())){
219 Printf("%s:%d cannot replace string %s in %s",(char*)__FILE__,__LINE__,fReplaceString1.Data(),
220 newName.Data());
221 continue;
222 }
223 newName.ReplaceAll(fReplaceString1.Data(),Form(fReplaceString2.Data(),fSubtraction));
224 TH2F *hTmp = new TH2F(Form("h2PtInPtOut_%d",iJB),Form(";%s p_{T}; %s p_{T}",oldName.Data(),newName.Data()),200,0,200.,200,0.,200.);
d9c0c425 225 fHistList->Add(hTmp);
226 }
227
fb10c4b8 228 Bool_t oldStatus = TH1::AddDirectoryStatus();
229 TH1::AddDirectory(kFALSE);
230
231 //
232 // Histogram booking, add som control histograms here
233 //
234
d73e1768 235
236 fh2CentvsRho = new TH2F("fh2CentvsRho","centrality vs background density",100,0.,100.,100,0.,150.);
237 fh2CentvsSigma = new TH2F("fh2CentvsSigma","centrality vs backgroun sigma",100,0.,100.,100,0.,150.);
238 fHistList->Add(fh2CentvsRho);
239 fHistList->Add(fh2CentvsSigma);
240
241 if(fSubtraction==k4Area){
242 fh2ShiftEta = new TH2F("fh2ShiftEta","extended correction Eta",100,-0.9,0.9,100,-0.9,0.9);
243 fh2ShiftPhi = new TH2F("fh2ShiftPhi","extended correction Phi",100,0.,6.5,100,0.,6.5);
244 fh2ShiftEtaLeading = new TH2F("fh2ShiftEtaLeading","extended correction Eta",100,-0.9,0.9,100,-0.9,0.9);
245 fh2ShiftPhiLeading = new TH2F("fh2ShiftPhiLeading","extended correction Phi",100,0.,6.5,100,0.,6.5);
246 fHistList->Add(fh2ShiftEta);
247 fHistList->Add(fh2ShiftPhi);
248 fHistList->Add(fh2ShiftEtaLeading);
249 fHistList->Add(fh2ShiftPhiLeading);
250 }
251
252
fb10c4b8 253 // =========== Switch on Sumw2 for all histos ===========
254 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
255 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
256 if (h1){
257 h1->Sumw2();
258 continue;
259 }
260 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
261 if(hn)hn->Sumw2();
262 }
263 TH1::AddDirectory(oldStatus);
264
265 if(fBackgroundBranch.Length()==0)
266 AliError(Form("%s:%d No BackgroundBranch defined",(char*)__FILE__,__LINE__));
267 if(fJBArray->GetEntries()==0)
268 AliError(Form("%s:%d No Jet Branches defined defined",(char*)__FILE__,__LINE__));
269}
270
271void AliAnalysisTaskJetBackgroundSubtract::Init()
272{
273 //
274 // Initialization
275 //
276 if (fDebug > 1) printf("AnalysisTaskJetBackgroundSubtract::Init() \n");
277}
278
279void AliAnalysisTaskJetBackgroundSubtract::UserExec(Option_t */*option*/)
280{
281
1c21a0e7 282 if (fDebug > 1) printf("AnalysisTaskJetBackgroundSubtract::UserExec() \n");
fb10c4b8 283 ResetOutJets();
284 if(fBackgroundBranch.Length()==0||fJBArray->GetEntries()==0){
1c21a0e7 285 if(fDebug)Printf("%s:%d No background subtraction done",(char*)__FILE__,__LINE__);
fb10c4b8 286 PostData(1,fHistList);
287 }
1c21a0e7 288 if(fJBArray->GetEntries()!=fInJetArrayList->GetEntries()){
289 if(fDebug)Printf("%s:%d different Array sizes %d %d %d",(char*)__FILE__,__LINE__,fJBArray->GetEntries(),fInJetArrayList->GetEntries(),fOutJetArrayList->GetEntries());
290 PostData(1,fHistList);
291 }
292
fb10c4b8 293
294
a18eedbb 295 AliAODJetEventBackground* evBkg = 0;
296 TClonesArray* bkgClusters = 0;
297 TClonesArray* bkgClustersRC = 0;
298 TString bkgClusterName(fBackgroundBranch.Data());
1c21a0e7 299 bkgClusterName.ReplaceAll(Form("%s_",AliAODJetEventBackground::StdBranchName()),"");
a18eedbb 300 TString bkgClusterRCName(Form("%s%s",bkgClusterName.Data(),"RandomCone"));
301
302 if(!evBkg&&!bkgClusters&&!bkgClustersRC&&fAODOut){
fb10c4b8 303 evBkg = (AliAODJetEventBackground*)(fAODOut->FindListObject(fBackgroundBranch.Data()));
d9c0c425 304 bkgClusters = (TClonesArray*)(fAODOut->FindListObject(bkgClusterName.Data()));
a18eedbb 305 bkgClustersRC = (TClonesArray*)(fAODOut->FindListObject(bkgClusterRCName.Data()));
306
1c21a0e7 307 if(fDebug&&bkgClusters)Printf("%s:%d Background cluster branch %s found",(char*)__FILE__,__LINE__,bkgClusterName.Data());
a18eedbb 308 if(fDebug&&bkgClustersRC)Printf("%s:%d Background cluster RC branch %s found",(char*)__FILE__,__LINE__,bkgClusterRCName.Data());
1c21a0e7 309 if(fDebug&&evBkg)Printf("%s:%d Backgroundbranch %s found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
fb10c4b8 310 }
a18eedbb 311 if(!evBkg&&!bkgClusters&&!bkgClustersRC&&fAODExtension){
fb10c4b8 312 evBkg = (AliAODJetEventBackground*)(fAODExtension->GetAOD()->FindListObject(fBackgroundBranch.Data()));
d9c0c425 313 bkgClusters = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(bkgClusterName.Data()));
a18eedbb 314 bkgClustersRC = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(bkgClusterRCName.Data()));
1c21a0e7 315 if(fDebug&&bkgClusters)Printf("%s:%d Background cluster branch %s found",(char*)__FILE__,__LINE__,bkgClusterName.Data());
a18eedbb 316 if(fDebug&&bkgClustersRC)Printf("%s:%d Background cluster RC branch %s found",(char*)__FILE__,__LINE__,bkgClusterRCName.Data());
317
1c21a0e7 318 if(fDebug&&evBkg)Printf("%s:%d Backgroundbranch %s found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
fb10c4b8 319 }
1c21a0e7 320
a18eedbb 321 if(!evBkg&&!bkgClusters&&!bkgClustersRC&&fAODIn){
fb10c4b8 322 evBkg = (AliAODJetEventBackground*)(fAODIn->FindListObject(fBackgroundBranch.Data()));
1c21a0e7 323 bkgClusters = (TClonesArray*)(fAODIn->FindListObject(bkgClusterName.Data()));
a18eedbb 324 bkgClustersRC = (TClonesArray*)(fAODIn->FindListObject(bkgClusterRCName.Data()));
325
1c21a0e7 326 if(fDebug&&bkgClusters)Printf("%s:%d Background cluster branch %s found",(char*)__FILE__,__LINE__,bkgClusterName.Data());
a18eedbb 327 if(fDebug&&bkgClustersRC)Printf("%s:%d Background cluster RC branch %s found",(char*)__FILE__,__LINE__,bkgClusterRCName.Data());
1c21a0e7 328 if(fDebug&&evBkg)Printf("%s:%d Backgroundbranch %s found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
fb10c4b8 329 }
330
8a56597f 331 if(!evBkg&&(fSubtraction==kArea||fSubtraction==kRhoRecalc)){
1c21a0e7 332 if(fDebug){
333 Printf("%s:%d Backgroundbranch %s not found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
334 PrintAODContents();
335 }
fb10c4b8 336 PostData(1,fHistList);
d9c0c425 337 return;
338 }
339
8a56597f 340 if(!bkgClusters&&(fSubtraction==kRhoRecalc)){
1c21a0e7 341 if(fDebug){
342 Printf("%s:%d Background cluster branch %s not found",(char*)__FILE__,__LINE__,bkgClusterName.Data());
343 PrintAODContents();
344 }
d9c0c425 345 PostData(1,fHistList);
346 return;
fb10c4b8 347 }
348
8a56597f 349 if(!bkgClustersRC&&(fSubtraction==kRhoRC)){
a18eedbb 350 if(fDebug){
351 Printf("%s:%d Background cluster RC branch %s not found",(char*)__FILE__,__LINE__,bkgClusterRCName.Data());
352 PrintAODContents();
353 }
354 PostData(1,fHistList);
355 return;
356 }
fb10c4b8 357 // LOOP over all jet branches and subtract the background
358
a18eedbb 359 Float_t rho = 0;
d73e1768 360 Float_t sigma=0.;
a18eedbb 361 Double_t meanarea = 0;
d73e1768 362 TLorentzVector backgroundv;
363 Float_t cent=0.;
364 cent = fAODOut->GetHeader()->GetCentrality();
365 sigma=evBkg->GetSigma(1);
366
367 if(fSubtraction==kArea) rho = evBkg->GetBackground(1);
368 if(fSubtraction==k4Area){
369 rho = evBkg->GetBackground(0);
370 sigma=evBkg->GetSigma(0);}
371
a18eedbb 372 if(fSubtraction==kRhoRecalc){
d73e1768 373 meanarea=evBkg->GetMeanarea(1);
a18eedbb 374 rho =RecalcRho(bkgClusters,meanarea);
d73e1768 375 }
376 if(fSubtraction==kRhoRC) rho=RhoRC(bkgClustersRC);
377 fh2CentvsRho->Fill(cent,rho);
378 fh2CentvsSigma->Fill(cent,sigma);
a18eedbb 379
d73e1768 380 for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
fb10c4b8 381 TClonesArray* jarray = (TClonesArray*)fInJetArrayList->At(iJB);
382 TClonesArray* jarrayOut = (TClonesArray*)fOutJetArrayList->At(iJB);
1c21a0e7 383
384 if(!jarray||!jarrayOut){
a18eedbb 385 Printf("%s:%d Array not found %d: %p %p",(char*)__FILE__,__LINE__,iJB,jarray->GetName(),jarrayOut->GetName());
386 continue;
387 }
d9c0c425 388 TH2F* h2PtInOut = (TH2F*)fHistList->FindObject(Form("h2PtInPtOut_%d",iJB));
fb10c4b8 389 // loop over all jets
390 Int_t nOut = 0;
a18eedbb 391
392
fb10c4b8 393 for(int i = 0;i < jarray->GetEntriesFast();i++){
394 AliAODJet *jet = (AliAODJet*)jarray->At(i);
395 AliAODJet tmpNewJet(*jet);
396 Bool_t bAdd = false;
d73e1768 397
a18eedbb 398
fb10c4b8 399 if(fSubtraction==kArea){
d9c0c425 400 Double_t background = rho * jet->EffectiveAreaCharged();
401 Float_t ptSub = jet->Pt() - background;
fb10c4b8 402 if(fDebug>2){
403 Printf("%s:%d Jet %d %3.3f %3.3f",(char*)__FILE__,__LINE__,i,jet->Pt(),ptSub);
404 }
405 if(ptSub<0){
406 // optionally rescale it and keep??
407 bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
d9c0c425 408 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
fb10c4b8 409 }
410 else{
411 bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
d9c0c425 412 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
fb10c4b8 413 }
d9c0c425 414 // add background estimates to the new jet object
415 // allows to recover old p_T and rho...
416 tmpNewJet.SetBgEnergy(background,0);
fb10c4b8 417 }// kAREA
a18eedbb 418 else if(fSubtraction==kRhoRecalc){
419 Double_t background = rho * jet->EffectiveAreaCharged();
420 Float_t ptSub = jet->Pt() - background;
421 if(fDebug>2){
422 Printf("%s:%d Jet %d %3.3f %3.3f %3.3f %3.3f",(char*)__FILE__,__LINE__,i,jet->Pt(),ptSub,background,rho);}
423 if(ptSub<0){
424 // optionally rescale it and keep??
425 bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
426 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
427 }
428 else{
429 bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
430 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
431 }
432 // add background estimates to the new jet object
433 // allows to recover old p_T and rho...
434 tmpNewJet.SetBgEnergy(background,0);
435
436 }//kRhoRecalc
437 else if(fSubtraction==kRhoRC){
438 Double_t background = rho * jet->EffectiveAreaCharged();
439 Float_t ptSub = jet->Pt() - background;
440 if(fDebug>2){ Printf("%s:%d Jet %d %3.3f %3.3f %3.3f %3.3f",(char*)__FILE__,__LINE__,i,jet->Pt(),ptSub,background,rho);}
441 if(ptSub<0){
442 // optionally rescale it and keep??
443 bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
444 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
445 }
446 else{
447 bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
448 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
449 }
450 // add background estimates to the new jet object
451 // allows to recover old p_T and rho...
452 tmpNewJet.SetBgEnergy(background,0);
453
454 }//kRhoRC
fb10c4b8 455
d73e1768 456 else if(fSubtraction==k4Area){
457
458 backgroundv.SetPxPyPzE(rho*(jet->VectorAreaCharged())->Px(),rho*(jet->VectorAreaCharged())->Py(),rho*(jet->VectorAreaCharged())->Pz(),rho*(jet->VectorAreaCharged())->E());
459 if((backgroundv.E()>jet->E())&&(backgroundv.Pt()>jet->Pt())){
460
461 // optionally rescale it and keep??
462 bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
463 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
464 }
465 else{
466 bAdd = RescaleJet4vector(&tmpNewJet,backgroundv);
467 }
468 // add background estimates to the new jet object
469 // allows to recover old p_T and rho...
470 tmpNewJet.SetBgEnergy(backgroundv.P(),0);
471
472 }//kArea4vector
473
474
475
476
477
478
fb10c4b8 479 if(bAdd){
d9c0c425 480 AliAODJet *newJet = new ((*jarrayOut)[nOut++]) AliAODJet(tmpNewJet);
481 // what about track references, clear for now...
d73e1768 482 if(fSubtraction==k4Area){
483 if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),jet->Pt()-newJet->Pt());
484 fh2ShiftEta->Fill(jet->Eta(),newJet->Eta());
485 fh2ShiftPhi->Fill(jet->Phi(),newJet->Phi());
486 if(i==0){fh2ShiftEtaLeading->Fill(jet->Eta(),newJet->Eta());
487 fh2ShiftPhiLeading->Fill(jet->Phi(),newJet->Phi());}}
488
489
d9c0c425 490 newJet->GetRefTracks()->Clear();
fb10c4b8 491 }
492
a18eedbb 493
494
495
496
497
498 }
fb10c4b8 499
500
501
502 // subtract the background
503
504
505 // remove jets??
506
507 // sort jets...
508
509 }
510 PostData(1, fHistList);
511}
512
513void AliAnalysisTaskJetBackgroundSubtract::Terminate(Option_t */*option*/)
514{
515 // Terminate analysis
516 //
517 if (fDebug > 1) printf("AnalysisJetBackgroundSubtract: Terminate() \n");
518}
519
520Bool_t AliAnalysisTaskJetBackgroundSubtract::RescaleJetMomentum(AliAODJet *jet,Float_t pT){
521 // keep the direction and the jet mass
522 if(pT<=0)return kFALSE;
523 Double_t pTold = jet->Pt();
524 Double_t scale = pT/pTold;
525 Double_t mass = jet->M();
526 Double_t pNew = jet->P() * scale;
527 jet->SetPxPyPzE(scale*jet->Px(),scale*jet->Py(),scale*jet->Pz(),TMath::Sqrt(mass*mass+pNew*pNew));
d73e1768 528
529
530
fb10c4b8 531 return kTRUE;
532}
533
d73e1768 534Bool_t AliAnalysisTaskJetBackgroundSubtract::RescaleJet4vector(AliAODJet *jet,TLorentzVector backgroundv){
535
536 if(backgroundv.Pt()<0.) return kFALSE;
537 jet->SetPxPyPzE(jet->Px()-backgroundv.Px(),jet->Py()-backgroundv.Py(),jet->Pz()-backgroundv.Pz(),jet->E()-backgroundv.E());
538
539 return kTRUE;
540}
541
542
543
544
545
546
547
548
a18eedbb 549Double_t AliAnalysisTaskJetBackgroundSubtract::RecalcRho(TClonesArray* bkgClusters,Double_t meanarea){
550
551 Double_t ptarea=0.;
552 Int_t count=0;
553 Double_t rho=0.;
554 const Double_t Rlimit2=0.8*0.8; //2*jet radius.
555 TClonesArray* jarray=0;
556
557 for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
558 TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
559 TString jetref=ostr->GetString().Data();
560 if(jetref.Contains("ANTIKT04")){
561 jarray = (TClonesArray*)fInJetArrayList->At(iJB);}}
562 if(jarray->GetEntries()>=2){
563 AliAODJet *first = (AliAODJet*)(jarray->At(0));
564 AliAODJet *second= (AliAODJet*)(jarray->At(1));
565 for(Int_t k=0;k<bkgClusters->GetEntriesFast();k++){
566 AliAODJet *clus = (AliAODJet*)(bkgClusters->At(k));
567 if(TMath::Abs(clus->Eta())>0.5) continue;
568 if((clus->EffectiveAreaCharged())<0.1*meanarea) continue;
569 Double_t distance1=(first->Eta()-clus->Eta())*(first->Eta()-clus->Eta())+
570 (first->Phi()-clus->Phi())*(first->Phi()-clus->Phi());
571 Double_t distance2= (second->Eta()-clus->Eta())*(second->Eta()-clus->Eta())+
572 (second->Phi()-clus->Phi())*(second->Phi()-clus->Phi());
573 if((distance1<Rlimit2)||(distance2<Rlimit2)) continue;
574 ptarea=ptarea+clus->Pt()/clus->EffectiveAreaCharged();
575 count=count+1;}
576 if(count!=0) rho=ptarea/count;
577 }
578 return rho;
579}
580
581 Double_t AliAnalysisTaskJetBackgroundSubtract::RhoRC(TClonesArray* bkgClustersRC){
582
583 Double_t ptarea=0.;
584 Int_t count=0;
585 Double_t rho=0.;
586 const Double_t Rlimit2=0.8*0.8; //2*jet radius.
587 TClonesArray* jarray=0;
588 for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
589 TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
590 TString jetref=ostr->GetString().Data();
591 if(jetref.Contains("ANTIKT04")){
592 jarray = (TClonesArray*)fInJetArrayList->At(iJB);}}
593 if(jarray->GetEntries()>=2){
594 AliAODJet *first = (AliAODJet*)(jarray->At(0));
595 AliAODJet *second=(AliAODJet*)(jarray->At(1));
596 for(Int_t k=0;k<bkgClustersRC->GetEntriesFast();k++){
597 AliAODJet *clus = (AliAODJet*)(bkgClustersRC->At(k));
598 if(TMath::Abs(clus->Eta())>0.5) continue;
599 Double_t distance1=(first->Eta()-clus->Eta())*(first->Eta()-clus->Eta())+
600 (first->Phi()-clus->Phi())*(first->Phi()-clus->Phi());
601 Double_t distance2= (second->Eta()-clus->Eta())*(second->Eta()-clus->Eta())+
602 (second->Phi()-clus->Phi())*(second->Phi()-clus->Phi());
603 if((distance1<Rlimit2)||(distance2<Rlimit2)) continue;
604 ptarea=ptarea+clus->Pt()/clus->EffectiveAreaCharged();
605 count=count+1;}
606 if(count!=0) rho=ptarea/count; }
607 return rho;
608}
609
610
611
612
613
614
615
616
617
fb10c4b8 618void AliAnalysisTaskJetBackgroundSubtract::ResetOutJets(){
619 if(!fOutJetArrayList)return;
620 for(int iJB = 0;iJB<fOutJetArrayList->GetEntries();iJB++){
621 TClonesArray* jarray = (TClonesArray*)fOutJetArrayList->At(iJB);
622 if(jarray)jarray->Delete();
623 }
624}
1c21a0e7 625
626
627void AliAnalysisTaskJetBackgroundSubtract::PrintAODContents(){
628 if(fAODIn){
629 Printf("%s:%d >>>>>> Input",(char*)__FILE__,__LINE__);
630 fAODIn->Print();
631 }
632 if(fAODExtension){
633 Printf("%s:%d >>>>>> Extenstion",(char*)__FILE__,__LINE__);
634 fAODExtension->GetAOD()->Print();
635 }
636 if(fAODOut){
637 Printf("%s:%d >>>>>> Output",(char*)__FILE__,__LINE__);
638 fAODOut->Print();
639 }
640}