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d92b41ad | 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 | /* $Id: $ */ | |
16 | ||
d92b41ad | 17 | //_________________________________________________________________________ |
18 | // Example class on how to read AODCaloClusters, ESDCaloCells and AODTracks and how | |
19 | // fill AODs with PWG4PartCorr analysis frame | |
20 | // Select the type of detector information that you want to analyze, CTS (tracking), PHOS or EMCAL | |
21 | // Select the PID custer type of the calorimeters | |
22 | // Set min momentum of the cluster/tracks | |
23 | // Fill few histograms | |
24 | // | |
25 | //-- Author: Gustavo Conesa (INFN-LNF) | |
26 | //-- Author: Gustavo Conesa (LNF-INFN) | |
27 | //_________________________________________________________________________ | |
28 | ||
29 | ||
30 | // --- ROOT system --- | |
31 | #include "Riostream.h" | |
32 | #include "TClonesArray.h" | |
33 | #include "TH2F.h" | |
34 | #include "TParticle.h" | |
35 | ||
36 | //---- AliRoot system ---- | |
37 | #include "AliAnaExample.h" | |
38 | #include "AliCaloTrackReader.h" | |
39 | #include "AliLog.h" | |
40 | #include "AliAODParticleCorrelation.h" | |
41 | #include "AliESDCaloCells.h" | |
42 | ||
43 | ClassImp(AliAnaExample) | |
44 | ||
45 | //____________________________________________________________________________ | |
46 | AliAnaExample::AliAnaExample() : | |
c90ac396 | 47 | AliAnaPartCorrBaseClass(),fPdg(0), fDetector(""), fhPt(0),fhPhi(0),fhEta(0), fh2Pt(0),fh2Phi(0),fh2Eta(0), |
d92b41ad | 48 | fhNCells(0), fhAmplitude(0) |
49 | { | |
50 | //Default Ctor | |
51 | ||
52 | //Initialize parameters | |
53 | InitParameters(); | |
54 | } | |
55 | ||
56 | //____________________________________________________________________________ | |
57 | AliAnaExample::AliAnaExample(const AliAnaExample & ex) : | |
c90ac396 | 58 | AliAnaPartCorrBaseClass(ex), fPdg(ex.fPdg), fDetector(ex.fDetector), fhPt(ex.fhPt), fhPhi(ex.fhPhi),fhEta(ex.fhEta), |
d92b41ad | 59 | fh2Pt(ex.fh2Pt), fh2Phi(ex.fh2Phi),fh2Eta(ex.fh2Eta), fhNCells(ex.fhNCells), fhAmplitude(ex.fhAmplitude) |
60 | { | |
61 | // cpy ctor | |
62 | ||
63 | } | |
64 | ||
65 | //_________________________________________________________________________ | |
66 | AliAnaExample & AliAnaExample::operator = (const AliAnaExample & ex) | |
67 | { | |
68 | // assignment operator | |
69 | ||
70 | if(this == &ex)return *this; | |
c90ac396 | 71 | ((AliAnaPartCorrBaseClass *)this)->operator=(ex); |
d92b41ad | 72 | |
73 | fPdg = ex.fPdg; | |
74 | fDetector = ex.fDetector; | |
75 | fhPt = ex.fhPt; | |
76 | fhPhi = ex.fhPhi; | |
77 | fhEta = ex.fhEta; | |
78 | fh2Pt = ex.fh2Pt; | |
79 | fh2Phi = ex.fh2Phi; | |
80 | fh2Eta = ex.fh2Eta; | |
81 | fhNCells = ex.fhNCells; | |
82 | fhAmplitude = ex.fhAmplitude; | |
83 | ||
84 | return *this; | |
85 | ||
86 | } | |
87 | ||
88 | // //____________________________________________________________________________ | |
89 | // AliAnaExample::~AliAnaExample() | |
90 | // { | |
91 | // // Remove all pointers except analysis output pointers. | |
92 | ||
93 | // ; | |
94 | // } | |
95 | ||
96 | ||
97 | //________________________________________________________________________ | |
98 | TList * AliAnaExample::GetCreateOutputObjects() | |
99 | { | |
100 | // Create histograms to be saved in output file and | |
101 | // store them in fOutputContainer | |
102 | ||
103 | AliDebug(1,"Init parton histograms"); | |
104 | ||
105 | TList * outputContainer = new TList() ; | |
106 | outputContainer->SetName("ExampleHistos") ; | |
107 | ||
108 | fhPt = new TH1F ("hPt","p_T distribution", 100,0,100); | |
109 | fhPt->SetXTitle("p_{T} (GeV/c)"); | |
110 | outputContainer->Add(fhPt); | |
111 | ||
112 | fhPhi = new TH1F ("hPhi","#phi distribution", 100,0,TMath::TwoPi()); | |
113 | fhPhi->SetXTitle("#phi (rad)"); | |
114 | outputContainer->Add(fhPhi); | |
115 | ||
116 | fhEta = new TH1F ("hEta","#eta distribution", 100,-2,2); | |
117 | fhEta->SetXTitle("#eta "); | |
118 | outputContainer->Add(fhEta); | |
119 | ||
c90ac396 | 120 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { |
121 | //Calo cells | |
122 | fhNCells = new TH1F ("hNCells","# cells per event", 100,0,1000); | |
123 | fhNCells->SetXTitle("n cells"); | |
124 | outputContainer->Add(fhNCells); | |
125 | ||
126 | fhAmplitude = new TH1F ("hAmplitude","#eta distribution", 100,0,1000); | |
127 | fhAmplitude->SetXTitle("Amplitude "); | |
128 | outputContainer->Add(fhAmplitude); | |
129 | } | |
130 | ||
131 | if(IsDataMC()){ | |
132 | fh2Pt = new TH2F ("h2Pt","p_T distribution, reconstructed vs generated", 100,0,100,100,0,100); | |
133 | fh2Pt->SetXTitle("p_{T,rec} (GeV/c)"); | |
134 | fh2Pt->SetYTitle("p_{T,gen} (GeV/c)"); | |
135 | outputContainer->Add(fh2Pt); | |
136 | ||
137 | fh2Phi = new TH2F ("h2Phi","#phi distribution, reconstructed vs generated", 100,0,TMath::TwoPi(), 100,0,TMath::TwoPi()); | |
138 | fh2Phi->SetXTitle("#phi_{rec} (rad)"); | |
139 | fh2Phi->SetYTitle("#phi_{gen} (rad)"); | |
140 | outputContainer->Add(fh2Phi); | |
141 | ||
142 | fh2Eta = new TH2F ("h2Eta","#eta distribution, reconstructed vs generated", 100,-1,1,100,-1,1); | |
143 | fh2Eta->SetXTitle("#eta_{rec} "); | |
144 | fh2Eta->SetYTitle("#eta_{gen} "); | |
145 | outputContainer->Add(fh2Eta); | |
146 | ||
147 | } | |
148 | return outputContainer; | |
d92b41ad | 149 | } |
150 | ||
151 | //__________________________________________________ | |
152 | void AliAnaExample::InitParameters() | |
153 | { | |
154 | //Initialize the parameters of the analysis. | |
155 | ||
156 | fPdg = 22; //Keep photons | |
157 | fDetector = "PHOS"; | |
158 | ||
159 | } | |
160 | ||
161 | //__________________________________________________________________ | |
162 | void AliAnaExample::Print(const Option_t * opt) const | |
163 | { | |
164 | //Print some relevant parameters set for the analysis | |
165 | if(! opt) | |
166 | return; | |
167 | ||
168 | printf("Min Pt = %3.2f\n", GetMinPt()); | |
169 | printf("Max Pt = %3.2f\n", GetMaxPt()); | |
170 | printf("Select clusters with pdg %d \n",fPdg); | |
171 | printf("Select detector %s \n",fDetector.Data()); | |
172 | ||
173 | } | |
174 | ||
175 | //__________________________________________________________________ | |
176 | void AliAnaExample::MakeAnalysisFillAOD() | |
177 | { | |
178 | //Do analysis and fill aods | |
179 | ||
180 | //Some prints | |
181 | if(GetDebug() > 0){ | |
76518957 | 182 | if(fDetector == "EMCAL" && GetAODEMCAL())printf("Example : in emcal aod entries %d\n", GetAODEMCAL()->GetEntriesFast()); |
183 | if(fDetector == "CTS" && GetAODCTS())printf("Example : in CTS aod entries %d\n", GetAODCTS()->GetEntriesFast()); | |
184 | if(fDetector == "PHOS" && GetAODPHOS())printf("Example : in PHOS aod entries %d\n", GetAODPHOS()->GetEntriesFast()); | |
d92b41ad | 185 | } |
186 | ||
187 | //Get List with tracks or clusters | |
188 | TClonesArray * partList = new TClonesArray; | |
189 | if(fDetector == "CTS") partList = GetAODCTS(); | |
190 | else if(fDetector == "EMCAL") partList = GetAODEMCAL(); | |
191 | else if(fDetector == "PHOS") partList = GetAODPHOS(); | |
192 | ||
76518957 | 193 | if(!partList || partList->GetEntriesFast() == 0) return ; |
d92b41ad | 194 | |
195 | //Fill AODCaloClusters and AODParticleCorrelation with PHOS/EMCAL aods | |
196 | if(fDetector == "EMCAL" || fDetector == "PHOS"){ | |
197 | ||
198 | //WORK WITH CALOCLUSTERS | |
c90ac396 | 199 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) |
d92b41ad | 200 | ConnectAODCaloClusters(); //Do Only when filling AODCaloClusters |
76518957 | 201 | if(GetDebug() > 0) printf("Example: in calo clusters aod entries %d\n", GetAODCaloClusters()->GetEntriesFast()); |
d92b41ad | 202 | |
203 | //Get vertex for photon momentum calculation | |
204 | Double_t v[3] ; //vertex ; | |
205 | GetReader()->GetVertex(v); | |
206 | ||
207 | TLorentzVector mom ; | |
76518957 | 208 | for(Int_t i = 0; i < partList->GetEntriesFast(); i++){ |
d92b41ad | 209 | |
210 | AliAODCaloCluster * calo = dynamic_cast<AliAODCaloCluster*> (partList->At(i)); | |
211 | ||
c90ac396 | 212 | //Fill AODCaloClusters |
213 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) | |
214 | AddAODCaloCluster(AliAODCaloCluster(*(calo))); | |
d92b41ad | 215 | |
216 | //Fill AODParticleCorrelation after some selection | |
217 | calo->GetMomentum(mom,v); | |
c90ac396 | 218 | Int_t pdg = fPdg; |
219 | ||
d92b41ad | 220 | if(IsCaloPIDOn()){ |
221 | Double_t pid[13]; | |
222 | calo->GetPID(pid); | |
223 | pdg = GetCaloPID()->GetPdg(fDetector,pid,mom.E()); | |
c90ac396 | 224 | cout<<"PDG "<<pdg<<endl; |
d92b41ad | 225 | //pdg = GetCaloPID()->GetPdg(fDetector,mom, |
226 | // calo->GetM02(), calo->GetM02(), | |
227 | // calo->GetDispersion(), 0, 0); | |
228 | } | |
229 | ||
230 | //Acceptance selection | |
231 | Bool_t in = kTRUE; | |
232 | if(IsFidutialCutOn()) | |
233 | in = GetFidutialCut()->IsInFidutialCut(mom,fDetector) ; | |
234 | ||
235 | if(GetDebug() > 1) printf("cluster pt %2.2f, phi %2.2f, pdg %d, in fidutial cut %d \n",mom.Pt(), mom.Phi(), pdg, in); | |
236 | ||
237 | //Select cluster if momentum, pdg and acceptance are good | |
238 | if(mom.Pt() > GetMinPt() && pdg ==fPdg && in) { | |
239 | AliAODParticleCorrelation ph = AliAODParticleCorrelation(mom); | |
240 | //AddAODParticleCorrelation(AliAODParticleCorrelation(mom)); | |
241 | ph.SetLabel(calo->GetLabel(0)); | |
242 | ph.SetPdg(pdg); | |
243 | ph.SetDetector(fDetector); | |
244 | AddAODParticleCorrelation(ph); | |
245 | }//selection | |
246 | }//loop | |
247 | ||
c90ac396 | 248 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { |
d92b41ad | 249 | //WORK WITH ESDCALOCELLS |
250 | //Don't connect in the same analysis PHOS and EMCAL cells. | |
c90ac396 | 251 | |
d92b41ad | 252 | AliESDCaloCells * esdCell = new AliESDCaloCells ; |
253 | if(fDetector == "PHOS") { | |
254 | ConnectAODPHOSCells(); //Do Only when filling AODCaloCells | |
255 | esdCell = (AliESDCaloCells *) GetPHOSCells(); | |
256 | } | |
257 | else { | |
258 | ConnectAODEMCALCells(); //Do Only when filling AODCaloCells | |
259 | esdCell = (AliESDCaloCells *) GetEMCALCells(); | |
260 | } | |
261 | //Some prints | |
262 | if(GetDebug() > 0 && esdCell ) | |
263 | printf("Example : in ESD %s cell entries %d\n", fDetector.Data(), esdCell->GetNumberOfCells()); | |
264 | ||
265 | //Fill AODCells in file | |
266 | Int_t ncells = esdCell->GetNumberOfCells() ; | |
267 | GetAODCaloCells()->CreateContainer(ncells); | |
268 | ||
269 | GetAODCaloCells()->SetType((AliAODCaloCells::AODCells_t) esdCell->GetType()); | |
270 | ||
271 | for (Int_t iCell = 0; iCell < ncells; iCell++) { | |
272 | if(GetDebug() > 2) printf("cell : amp %f, absId %d, time %f\n", esdCell->GetAmplitude(iCell), esdCell->GetCellNumber(iCell), esdCell->GetTime(iCell)); | |
273 | ||
274 | GetAODCaloCells()->SetCell(iCell,esdCell->GetCellNumber(iCell),esdCell->GetAmplitude(iCell)); | |
275 | } | |
276 | GetAODCaloCells()->Sort(); | |
c90ac396 | 277 | } |
d92b41ad | 278 | }//cluster-cell analysis |
279 | else if(fDetector == "CTS"){ //Track analysis | |
280 | //Fill AODParticleCorrelation with CTS aods | |
281 | TVector3 p3; | |
76518957 | 282 | for(Int_t i = 0; i < GetAODCTS()->GetEntriesFast(); i++){ |
d92b41ad | 283 | |
284 | AliAODTrack * track = dynamic_cast<AliAODTrack*> (GetAODCTS()->At(i)); | |
285 | ||
286 | //Fill AODParticleCorrelation after some selection | |
287 | Double_t mom[3] = {track->Px(),track->Py(),track->Pz()}; | |
288 | p3.SetXYZ(mom[0],mom[1],mom[2]); | |
289 | ||
290 | //Acceptance selection | |
291 | Bool_t in = GetFidutialCut()->IsInFidutialCut(mom,"CTS") ; | |
292 | if(GetDebug() > 1) printf("track pt %2.2f, phi %2.2f, in fidutial cut %d\n",p3.Pt(), p3.Phi(), in); | |
293 | if(p3.Pt() > GetMinPt() && in) { | |
294 | AliAODParticleCorrelation tr = AliAODParticleCorrelation(mom[0],mom[1],mom[2],0); | |
295 | //AddAODParticleCorrelation(AliAODParticleCorrelation(mom)); | |
296 | tr.SetDetector("CTS"); | |
297 | AddAODParticleCorrelation(tr); | |
298 | ||
299 | }//selection | |
300 | }//loop | |
301 | }//CTS analysis | |
302 | ||
303 | if(GetDebug() > 0) { | |
76518957 | 304 | printf("Example: final aod calocluster entries %d\n", GetAODCaloClusters()->GetEntriesFast()); |
305 | printf("Example: final aod branch entries %d\n", GetAODBranch()->GetEntriesFast()); | |
d92b41ad | 306 | printf("Example: final aod cell entries %d\n", GetAODCaloCells()->GetNumberOfCells()); |
307 | } | |
308 | } | |
309 | ||
310 | //__________________________________________________________________ | |
311 | void AliAnaExample::MakeAnalysisFillHistograms() | |
312 | { | |
313 | //Do analysis and fill histograms | |
314 | ||
315 | //Loop on stored AODParticles | |
316 | Int_t naod = GetAODBranch()->GetEntriesFast(); | |
317 | if(GetDebug() > 0) printf("histo aod branch entries %d\n", naod); | |
318 | for(Int_t iaod = 0; iaod < naod ; iaod++){ | |
319 | AliAODParticleCorrelation* ph = dynamic_cast<AliAODParticleCorrelation*> (GetAODBranch()->At(iaod)); | |
320 | ||
321 | fhPt->Fill(ph->Pt()); | |
322 | fhPhi->Fill(ph->Phi()); | |
323 | fhEta->Fill(ph->Eta()); | |
324 | ||
325 | if(IsDataMC()){ | |
326 | //Play with the MC stack if available | |
327 | AliStack * stack = GetMCStack() ; | |
328 | ||
329 | if(ph->GetLabel() < 0 || !stack) { | |
330 | printf("*** bad label or no stack ***: label %d \n", ph->GetLabel()); | |
331 | continue; | |
332 | } | |
333 | ||
334 | if(ph->GetLabel() >= stack->GetNtrack()) { | |
335 | printf("*** large label ***: label %d, n tracks %d \n", ph->GetLabel(), stack->GetNtrack()); | |
336 | continue ; | |
337 | } | |
338 | ||
339 | TParticle * mom = GetMCStack()->Particle(ph->GetLabel()); | |
340 | ||
341 | fh2Pt->Fill(ph->Pt(), mom->Pt()); | |
342 | fh2Phi->Fill(ph->Phi(), mom->Phi()); | |
343 | fh2Eta->Fill(ph->Eta(), mom->Eta()); | |
344 | }//Work with stack also | |
345 | }// aod branch loop | |
346 | ||
347 | // CaloCells histograms | |
c90ac396 | 348 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { |
349 | if(GetAODCaloCells()){ | |
350 | ||
351 | Int_t ncells = GetAODCaloCells()->GetNumberOfCells(); | |
352 | fhNCells->Fill(ncells) ; | |
353 | ||
354 | for (Int_t iCell = 0; iCell < ncells; iCell++) { | |
355 | if(GetDebug() > 2) printf("cell : amp %f, absId %d \n", GetAODCaloCells()->GetAmplitude(iCell), GetAODCaloCells()->GetCellNumber(iCell)); | |
356 | fhAmplitude->Fill(GetAODCaloCells()->GetAmplitude(iCell)); | |
357 | } | |
358 | }//calo cells container exist | |
359 | } | |
d92b41ad | 360 | } |