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c683985a | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2009, 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 | // AliAnalysisTaskSpectraAllChAOD class | |
18 | //----------------------------------------------------------------- | |
19 | ||
20 | #include "TChain.h" | |
21 | #include "TTree.h" | |
22 | #include "TLegend.h" | |
23 | #include "TH1F.h" | |
24 | #include "TH2F.h" | |
25 | #include "THnSparse.h" | |
26 | #include "TCanvas.h" | |
27 | #include "AliAnalysisTask.h" | |
28 | #include "AliAODTrack.h" | |
29 | #include "AliAODMCParticle.h" | |
30 | #include "AliVParticle.h" | |
31 | #include "AliAODEvent.h" | |
32 | #include "AliAODInputHandler.h" | |
33 | #include "AliAnalysisTaskSpectraAllChAOD.h" | |
34 | #include "AliAnalysisTaskESDfilter.h" | |
35 | #include "AliAnalysisDataContainer.h" | |
36 | #include "AliSpectraAODTrackCuts.h" | |
37 | #include "AliSpectraAODEventCuts.h" | |
38 | #include "AliHelperPID.h" | |
39 | #include "AliPIDCombined.h" | |
40 | #include "AliCentrality.h" | |
41 | #include "TProof.h" | |
42 | #include "AliVEvent.h" | |
43 | #include "AliStack.h" | |
44 | #include <TMCProcess.h> | |
45 | ||
46 | #include <iostream> | |
47 | ||
48 | using namespace AliHelperPIDNameSpace; | |
49 | using namespace std; | |
50 | ||
51 | ClassImp(AliAnalysisTaskSpectraAllChAOD) | |
52 | ||
53 | //________________________________________________________________________ | |
54 | AliAnalysisTaskSpectraAllChAOD::AliAnalysisTaskSpectraAllChAOD(const char *name) : AliAnalysisTaskSE(name), | |
55 | fAOD(0x0), | |
56 | fTrackCuts(0x0), | |
57 | fEventCuts(0x0), | |
58 | fHelperPID(0x0), | |
59 | fIsMC(0), | |
bc07eb4b | 60 | fDoDoubleCounting(0), |
dbbc07ac | 61 | fFillOnlyEvents(0), |
c683985a | 62 | fCharge(0), |
63 | fVZEROside(0), | |
64 | fOutput(0x0), | |
65 | fnCentBins(20), | |
eba59d12 | 66 | fnQvecBins(100), |
67 | fnNchBins(200), | |
68 | fIsQvecCalibMode(0), | |
93c24428 | 69 | fQvecUpperLim(100), |
70 | fIsAOD160(1), | |
71 | fnDCABins(60), | |
72 | fDCAmin(-3), | |
3dd5ed48 | 73 | fDCAmax(3), |
388cfa2a | 74 | fDCAzCut(999999.), |
09f5725e | 75 | fQst(1), |
76 | fQtrk(0), | |
725da720 | 77 | fQgenType(0), |
509a25f9 | 78 | fDoCentrSystCentrality(0) |
c683985a | 79 | { |
80 | // Default constructor | |
81 | DefineInput(0, TChain::Class()); | |
82 | DefineOutput(1, TList::Class()); | |
83 | DefineOutput(2, AliSpectraAODEventCuts::Class()); | |
84 | DefineOutput(3, AliSpectraAODTrackCuts::Class()); | |
85 | DefineOutput(4, AliHelperPID::Class()); | |
86 | } | |
87 | ||
88 | //________________________________________________________________________ | |
89 | void AliAnalysisTaskSpectraAllChAOD::UserCreateOutputObjects() | |
90 | { | |
91 | // create output objects | |
92 | fOutput=new TList(); | |
93 | fOutput->SetOwner(); | |
94 | fOutput->SetName("fOutput"); | |
95 | ||
96 | if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro"); | |
97 | if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro"); | |
98 | if (!fHelperPID) AliFatal("HelperPID should be set in the steering macro"); | |
99 | ||
100 | // binning common to all the THn | |
c12a5f69 | 101 | const Double_t ptBins[] = {0.20,0.30,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.,20.,25.,30.,35.,40.,50.,75.,100.}; |
102 | const Int_t nptBins=34; | |
103 | //const Double_t ptBins[] = {0.20,0.25,0.30,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9,0.95,1.0,1.1,1.2,1.3,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.,20.,25.,30.,35.,40.,50.,75.,100.}; | |
104 | //const Int_t nptBins=44; | |
c683985a | 105 | |
106 | //dimensions of THnSparse for tracks | |
3dd5ed48 | 107 | const Int_t nvartrk=8; |
1fdecdaf | 108 | // pt cent Q vec IDrec IDgen isph y DCA |
109 | Int_t binsHistRealTrk[nvartrk] = { nptBins, fnCentBins, fnQvecBins, 4, 3, 3, 2, fnDCABins}; | |
110 | Double_t xminHistRealTrk[nvartrk] = { 0., 0., 0., -.5, -0.5, 0.5, -0.5, fDCAmin}; | |
111 | Double_t xmaxHistRealTrk[nvartrk] = { 10., 100., fQvecUpperLim, 3.5, 2.5, 3.5, 0.5, fDCAmax}; | |
c683985a | 112 | THnSparseF* NSparseHistTrk = new THnSparseF("NSparseHistTrk","NSparseHistTrk",nvartrk,binsHistRealTrk,xminHistRealTrk,xmaxHistRealTrk); |
113 | NSparseHistTrk->GetAxis(0)->SetTitle("#it{p}_{T,rec}"); | |
114 | NSparseHistTrk->GetAxis(0)->SetName("pT_rec"); | |
115 | NSparseHistTrk->SetBinEdges(0,ptBins); | |
116 | NSparseHistTrk->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data())); | |
117 | NSparseHistTrk->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data())); | |
118 | NSparseHistTrk->GetAxis(2)->SetTitle("Q vec"); | |
119 | NSparseHistTrk->GetAxis(2)->SetName("Q_vec"); | |
120 | NSparseHistTrk->GetAxis(3)->SetTitle("ID rec"); | |
121 | NSparseHistTrk->GetAxis(3)->SetName("ID_rec"); | |
122 | NSparseHistTrk->GetAxis(4)->SetTitle("ID gen"); | |
123 | NSparseHistTrk->GetAxis(4)->SetName("ID_gen"); | |
124 | NSparseHistTrk->GetAxis(5)->SetTitle("isph"); | |
125 | NSparseHistTrk->GetAxis(5)->SetName("isph"); | |
eba59d12 | 126 | NSparseHistTrk->GetAxis(6)->SetTitle("y"); |
127 | NSparseHistTrk->GetAxis(6)->SetName("y"); | |
93c24428 | 128 | NSparseHistTrk->GetAxis(7)->SetTitle("dca"); |
129 | NSparseHistTrk->GetAxis(7)->SetName("dca"); | |
c683985a | 130 | fOutput->Add(NSparseHistTrk); |
131 | ||
132 | //dimensions of THnSparse for stack | |
ed33b9ef | 133 | const Int_t nvarst=7; |
134 | // pt cent IDgen isph y etaselected Qvec gen | |
135 | Int_t binsHistRealSt[nvarst] = { nptBins, fnCentBins, 3, 2, 2, 1, fnQvecBins}; | |
136 | Double_t xminHistRealSt[nvarst] = { 0., 0., -0.5, -0.5, -0.5, 0.5, 0.}; | |
137 | Double_t xmaxHistRealSt[nvarst] = { 10., 100., 2.5, 1.5, 0.5, 1.5, fQvecUpperLim}; | |
c683985a | 138 | THnSparseF* NSparseHistSt = new THnSparseF("NSparseHistSt","NSparseHistSt",nvarst,binsHistRealSt,xminHistRealSt,xmaxHistRealSt); |
139 | NSparseHistSt->GetAxis(0)->SetTitle("#it{p}_{T,gen}"); | |
140 | NSparseHistSt->SetBinEdges(0,ptBins); | |
141 | NSparseHistSt->GetAxis(0)->SetName("pT_rec"); | |
142 | NSparseHistSt->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data())); | |
143 | NSparseHistSt->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data())); | |
144 | NSparseHistSt->GetAxis(2)->SetTitle("ID gen"); | |
145 | NSparseHistSt->GetAxis(2)->SetName("ID_gen"); | |
146 | NSparseHistSt->GetAxis(3)->SetTitle("isph"); | |
147 | NSparseHistSt->GetAxis(3)->SetName("isph"); | |
148 | NSparseHistSt->GetAxis(4)->SetTitle("y"); | |
149 | NSparseHistSt->GetAxis(4)->SetName("y"); | |
eba59d12 | 150 | NSparseHistSt->GetAxis(5)->SetTitle("etaselected"); |
151 | NSparseHistSt->GetAxis(5)->SetName("etaselected"); | |
ed33b9ef | 152 | NSparseHistSt->GetAxis(6)->SetTitle("Q vec gen"); |
153 | NSparseHistSt->GetAxis(6)->SetName("Q_vec_gen"); | |
c683985a | 154 | fOutput->Add(NSparseHistSt); |
155 | ||
156 | //dimensions of THnSparse for the normalization | |
ed33b9ef | 157 | const Int_t nvarev=4; |
158 | // cent Q vec Nch Qvec gen | |
159 | Int_t binsHistRealEv[nvarev] = { fnCentBins, fnQvecBins, fnNchBins, fnQvecBins}; | |
160 | Double_t xminHistRealEv[nvarev] = { 0., 0., 0., 0.}; | |
161 | Double_t xmaxHistRealEv[nvarev] = { 100., fQvecUpperLim, 2000., fQvecUpperLim}; | |
c683985a | 162 | THnSparseF* NSparseHistEv = new THnSparseF("NSparseHistEv","NSparseHistEv",nvarev,binsHistRealEv,xminHistRealEv,xmaxHistRealEv); |
163 | NSparseHistEv->GetAxis(0)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data())); | |
164 | NSparseHistEv->GetAxis(0)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data())); | |
165 | NSparseHistEv->GetAxis(1)->SetTitle("Q vec"); | |
166 | NSparseHistEv->GetAxis(1)->SetName("Q_vec"); | |
e19bc133 | 167 | NSparseHistEv->GetAxis(2)->SetTitle("N charged"); |
168 | NSparseHistEv->GetAxis(2)->SetName("N_ch"); | |
ed33b9ef | 169 | NSparseHistEv->GetAxis(3)->SetTitle("Q vec gen"); |
170 | NSparseHistEv->GetAxis(3)->SetName("Q_vec_gen"); | |
c683985a | 171 | fOutput->Add(NSparseHistEv); |
172 | ||
173 | PostData(1, fOutput ); | |
174 | PostData(2, fEventCuts); | |
175 | PostData(3, fTrackCuts); | |
176 | PostData(4, fHelperPID); | |
177 | } | |
178 | ||
179 | //________________________________________________________________________ | |
180 | ||
181 | void AliAnalysisTaskSpectraAllChAOD::UserExec(Option_t *) | |
182 | { | |
183 | //Printf("An event"); | |
184 | // main event loop | |
185 | fAOD = dynamic_cast<AliAODEvent*>(fInputEvent); | |
186 | if (!fAOD) { | |
187 | AliWarning("ERROR: AliAODEvent not available \n"); | |
188 | return; | |
189 | } | |
190 | ||
191 | if (strcmp(fAOD->ClassName(), "AliAODEvent")) | |
192 | { | |
193 | AliFatal("Not processing AODs"); | |
194 | } | |
195 | ||
196 | if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection | |
197 | ||
198 | //Default TPC priors | |
13dab2da | 199 | if(fHelperPID->GetPIDType()==kBayes)fHelperPID->GetPIDCombined()->SetDefaultTPCPriors();//FIXME we should modify the task to change priors |
c683985a | 200 | |
ed33b9ef | 201 | Double_t Qvec=0.; |
202 | if(fIsQvecCalibMode){ | |
203 | if(fVZEROside==0)Qvec=fEventCuts->GetqV0A(); | |
204 | else if (fVZEROside==1)Qvec=fEventCuts->GetqV0C(); | |
a72cae45 | 205 | else if (fVZEROside==2)Qvec=fEventCuts->GetqTPC(); |
ed33b9ef | 206 | } |
207 | else Qvec=fEventCuts->GetQvecPercentile(fVZEROside); | |
208 | ||
209 | Double_t QvecMC = 0.; | |
210 | if(fIsMC){ | |
eba59d12 | 211 | if(fIsQvecCalibMode){ |
725da720 | 212 | QvecMC = fEventCuts->CalculateQVectorMC(fVZEROside, fQgenType); |
eba59d12 | 213 | } |
725da720 | 214 | else QvecMC = fEventCuts->GetQvecPercentileMC(fVZEROside, fQgenType); |
c683985a | 215 | } |
eba59d12 | 216 | |
509a25f9 | 217 | Double_t Cent=(fDoCentrSystCentrality)?1.01*fEventCuts->GetCent():fEventCuts->GetCent(); |
eba59d12 | 218 | |
c683985a | 219 | // First do MC to fill up the MC particle array |
220 | TClonesArray *arrayMC = 0; | |
221 | if (fIsMC) | |
222 | { | |
223 | arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName()); | |
224 | if (!arrayMC) { | |
225 | AliFatal("Error: MC particles branch not found!\n"); | |
226 | } | |
227 | Int_t nMC = arrayMC->GetEntries(); | |
228 | for (Int_t iMC = 0; iMC < nMC; iMC++) | |
229 | { | |
230 | AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC); | |
231 | if(!partMC->Charge()) continue;//Skip neutrals | |
660a66d4 | 232 | if(fCharge != 0 && partMC->Charge()*fCharge < 0.) continue;//if fCharge != 0 only select fCharge |
c683985a | 233 | |
eba59d12 | 234 | //flag to select particle in the same ETA acceptance of the tracks (to be used for the comparison with AllCh) |
235 | Double_t etaselected=-1.; | |
caa224ff | 236 | if(partMC->Eta()>=fTrackCuts->GetEtaMin() && partMC->Eta()<=fTrackCuts->GetEtaMax())etaselected=1.; |
c683985a | 237 | |
238 | //pt cent IDgen isph y | |
ed33b9ef | 239 | Double_t varSt[7]; |
c683985a | 240 | varSt[0]=partMC->Pt(); |
241 | varSt[1]=Cent; | |
242 | varSt[2]=(Double_t)fHelperPID->GetParticleSpecies(partMC); | |
243 | varSt[3]=(Double_t)partMC->IsPhysicalPrimary(); | |
244 | varSt[4]=partMC->Y(); | |
eba59d12 | 245 | varSt[5]=etaselected; |
09f5725e | 246 | |
247 | if(fQst==0) varSt[6]=Qvec; | |
248 | else varSt[6]=QvecMC; | |
249 | ||
c683985a | 250 | ((THnSparseF*)fOutput->FindObject("NSparseHistSt"))->Fill(varSt);//stack loop |
251 | ||
252 | //Printf("a particle"); | |
253 | ||
254 | } | |
255 | } | |
256 | ||
257 | //main loop on tracks | |
e19bc133 | 258 | |
259 | Int_t Nch = 0.; | |
260 | ||
c683985a | 261 | for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) { |
f15c1f69 | 262 | AliAODTrack* track = dynamic_cast<AliAODTrack*>(fAOD->GetTrack(iTracks)); |
263 | if(!track) AliFatal("Not a standard AOD"); | |
c683985a | 264 | if(fCharge != 0 && track->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge |
265 | if (!fTrackCuts->IsSelected(track,kTRUE)) continue; //track selection (rapidity selection NOT in the standard cuts) | |
dbbc07ac | 266 | if(!fFillOnlyEvents){ |
267 | Int_t IDrec=fHelperPID->GetParticleSpecies(track,kTRUE);//id from detector | |
268 | Double_t y= track->Y(fHelperPID->GetMass((AliHelperParticleSpecies_t)IDrec)); | |
269 | Int_t IDgen=kSpUndefined;//set if MC | |
270 | Int_t isph=-999; | |
93c24428 | 271 | // Int_t iswd=-999; |
dbbc07ac | 272 | |
273 | if (arrayMC) { | |
274 | AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel())); | |
275 | if (!partMC) { | |
276 | AliError("Cannot get MC particle"); | |
277 | continue; | |
278 | } | |
279 | IDgen=fHelperPID->GetParticleSpecies(partMC); | |
280 | isph=partMC->IsPhysicalPrimary(); | |
eba59d12 | 281 | //iswd=partMC->IsSecondaryFromWeakDecay();//FIXME not working on old productions - removed Apr 8th 2014 |
93c24428 | 282 | |
283 | if(fIsAOD160){// enabled for new ADO160 only | |
3dd5ed48 | 284 | if(partMC->IsSecondaryFromWeakDecay()) isph=2.; |
285 | if(partMC->IsSecondaryFromMaterial()) isph=3.; | |
93c24428 | 286 | |
287 | } | |
c683985a | 288 | } |
dbbc07ac | 289 | |
93c24428 | 290 | /*** DCA ***/ |
93c24428 | 291 | Double_t dcaxy = -999.; |
3dd5ed48 | 292 | Double_t dcaz = -999.; |
93c24428 | 293 | |
665f3db3 | 294 | Double_t p[2]; |
3dd5ed48 | 295 | if(GetDCA(track,p)){ dcaxy=p[0]; dcaz=p[1];} |
296 | ||
297 | if(dcaz >= fDCAzCut) continue; | |
93c24428 | 298 | |
eba59d12 | 299 | //pt cent Q vec IDrec IDgen isph y |
3dd5ed48 | 300 | Double_t varTrk[8]; |
dbbc07ac | 301 | varTrk[0]=track->Pt(); |
302 | varTrk[1]=Cent; | |
09f5725e | 303 | if(fIsMC && fQtrk==1) varTrk[2]=QvecMC; |
388cfa2a | 304 | else varTrk[2]=Qvec; |
dbbc07ac | 305 | varTrk[3]=(Double_t)IDrec; |
306 | varTrk[4]=(Double_t)IDgen; | |
307 | varTrk[5]=(Double_t)isph; | |
eba59d12 | 308 | varTrk[6]=y; |
93c24428 | 309 | varTrk[7]=dcaxy; |
dbbc07ac | 310 | ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop |
311 | ||
312 | //for nsigma PID fill double counting of ID | |
313 | if(fHelperPID->GetPIDType()<kBayes && fDoDoubleCounting){//only nsigma | |
314 | Bool_t *HasDC; | |
315 | HasDC=fHelperPID->GetDoubleCounting(track,kTRUE);//get the array with double counting | |
316 | for(Int_t ipart=0;ipart<kNSpecies;ipart++){ | |
317 | if(HasDC[ipart]==kTRUE){ | |
318 | varTrk[3]=(Double_t)ipart; | |
319 | ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop | |
320 | } | |
c683985a | 321 | } |
322 | } | |
dbbc07ac | 323 | |
324 | //fill all charged (3) | |
325 | varTrk[3]=3.; | |
326 | varTrk[4]=3.; | |
327 | ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop | |
328 | }//end if fFillOnlyEvents | |
c683985a | 329 | |
330 | //Printf("a track"); | |
dbbc07ac | 331 | |
332 | Nch++; | |
c683985a | 333 | } // end loop on tracks |
334 | ||
ed33b9ef | 335 | Double_t varEv[4]; |
c683985a | 336 | varEv[0]=Cent; |
337 | varEv[1]=Qvec; | |
e19bc133 | 338 | varEv[2]=Nch; |
ed33b9ef | 339 | varEv[3]=QvecMC; |
c683985a | 340 | ((THnSparseF*)fOutput->FindObject("NSparseHistEv"))->Fill(varEv);//event loop |
341 | ||
342 | PostData(1, fOutput ); | |
343 | PostData(2, fEventCuts); | |
344 | PostData(3, fTrackCuts); | |
345 | PostData(4, fHelperPID); | |
346 | } | |
347 | ||
665f3db3 | 348 | //_________________________________________________________________ |
349 | Bool_t AliAnalysisTaskSpectraAllChAOD::GetDCA(const AliAODTrack* trk, Double_t * p){ | |
350 | ||
351 | //AliAODTrack::DCA(): for newest AOD fTrack->DCA() always gives -999. This should fix. | |
352 | //FIXME should update EventCuts? | |
353 | //FIXME add track->GetXYZ(p) method | |
354 | ||
355 | double xyz[3],cov[3]; | |
356 | ||
357 | if (!trk->GetXYZ(xyz)) { // dca is not stored | |
358 | AliExternalTrackParam etp; | |
359 | etp.CopyFromVTrack(trk); | |
360 | AliVEvent* ev = (AliVEvent*)trk->GetEvent(); | |
361 | if (!ev) {/*printf("Event is not connected to the track\n");*/ return kFALSE;} | |
362 | if (!etp.PropagateToDCA(ev->GetPrimaryVertex(), ev->GetMagneticField(),999,xyz,cov)) return kFALSE; // failed, track is too far from vertex | |
363 | } | |
364 | p[0] = xyz[0]; | |
365 | p[1] = xyz[1]; | |
366 | return kTRUE; | |
367 | ||
368 | } | |
369 | ||
c683985a | 370 | //_________________________________________________________________ |
371 | void AliAnalysisTaskSpectraAllChAOD::Terminate(Option_t *) | |
372 | { | |
373 | // Terminate | |
374 | } |