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1c5acb87 | 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 | ||
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 | //_________________________________________________________________________ | |
27 | ||
28 | ||
29 | // --- ROOT system --- | |
30 | //#include "Riostream.h" | |
31 | #include "TClonesArray.h" | |
32 | #include "TParticle.h" | |
33 | ||
34 | //---- AliRoot system ---- | |
35 | #include "AliAnaExample.h" | |
36 | #include "AliCaloTrackReader.h" | |
37 | #include "AliLog.h" | |
38 | #include "AliAODPWG4Particle.h" | |
39 | #include "AliESDCaloCells.h" | |
40 | #include "AliStack.h" | |
41 | #include "AliCaloPID.h" | |
42 | ||
43 | ClassImp(AliAnaExample) | |
44 | ||
45 | //____________________________________________________________________________ | |
46 | AliAnaExample::AliAnaExample() : | |
47 | AliAnaPartCorrBaseClass(),fPdg(0), fDetector(""), fhPt(0),fhPhi(0),fhEta(0), fh2Pt(0),fh2Phi(0),fh2Eta(0), | |
48 | fhNCells(0), fhAmplitude(0) | |
49 | { | |
50 | //Default Ctor | |
51 | ||
52 | //Initialize parameters | |
53 | InitParameters(); | |
54 | } | |
55 | ||
56 | //____________________________________________________________________________ | |
57 | AliAnaExample::AliAnaExample(const AliAnaExample & ex) : | |
58 | AliAnaPartCorrBaseClass(ex), fPdg(ex.fPdg), fDetector(ex.fDetector), fhPt(ex.fhPt), fhPhi(ex.fhPhi),fhEta(ex.fhEta), | |
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; | |
71 | ((AliAnaPartCorrBaseClass *)this)->operator=(ex); | |
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 | Int_t nptbins = GetHistoNPtBins(); | |
109 | Int_t nphibins = GetHistoNPhiBins(); | |
110 | Int_t netabins = GetHistoNEtaBins(); | |
111 | Float_t ptmax = GetHistoPtMax(); | |
112 | Float_t phimax = GetHistoPhiMax(); | |
113 | Float_t etamax = GetHistoEtaMax(); | |
114 | Float_t ptmin = GetHistoPtMin(); | |
115 | Float_t phimin = GetHistoPhiMin(); | |
116 | Float_t etamin = GetHistoEtaMin(); | |
117 | ||
118 | fhPt = new TH1F ("hPt","p_T distribution", nptbins,ptmin,ptmax); | |
119 | fhPt->SetXTitle("p_{T} (GeV/c)"); | |
120 | outputContainer->Add(fhPt); | |
121 | ||
122 | fhPhi = new TH1F ("hPhi","#phi distribution",nphibins,phimin,phimax); | |
123 | fhPhi->SetXTitle("#phi (rad)"); | |
124 | outputContainer->Add(fhPhi); | |
125 | ||
126 | fhEta = new TH1F ("hEta","#eta distribution",netabins,etamin,etamax); | |
127 | fhEta->SetXTitle("#eta "); | |
128 | outputContainer->Add(fhEta); | |
129 | ||
130 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { | |
131 | ||
132 | //Calo cells | |
133 | fhNCells = new TH1F ("hNCells","# cells per event", 100,0,1000); | |
134 | fhNCells->SetXTitle("n cells"); | |
135 | outputContainer->Add(fhNCells); | |
136 | ||
137 | fhAmplitude = new TH1F ("hAmplitude","#eta distribution", 100,0,1000); | |
138 | fhAmplitude->SetXTitle("Amplitude "); | |
139 | outputContainer->Add(fhAmplitude); | |
140 | } | |
141 | ||
142 | if(IsDataMC()){ | |
143 | fh2Pt = new TH2F ("h2Pt","p_T distribution, reconstructed vs generated", nptbins,ptmin,ptmax,nptbins,ptmin,ptmax); | |
144 | fh2Pt->SetXTitle("p_{T,rec} (GeV/c)"); | |
145 | fh2Pt->SetYTitle("p_{T,gen} (GeV/c)"); | |
146 | outputContainer->Add(fh2Pt); | |
147 | ||
148 | fh2Phi = new TH2F ("h2Phi","#phi distribution, reconstructed vs generated", nphibins,phimin,phimax, nphibins,phimin,phimax); | |
149 | fh2Phi->SetXTitle("#phi_{rec} (rad)"); | |
150 | fh2Phi->SetYTitle("#phi_{gen} (rad)"); | |
151 | outputContainer->Add(fh2Phi); | |
152 | ||
153 | fh2Eta = new TH2F ("h2Eta","#eta distribution, reconstructed vs generated", netabins,etamin,etamax,netabins,etamin,etamax); | |
154 | fh2Eta->SetXTitle("#eta_{rec} "); | |
155 | fh2Eta->SetYTitle("#eta_{gen} "); | |
156 | outputContainer->Add(fh2Eta); | |
157 | ||
158 | } | |
159 | return outputContainer; | |
160 | } | |
161 | ||
162 | //__________________________________________________ | |
163 | void AliAnaExample::InitParameters() | |
164 | { | |
165 | //Initialize the parameters of the analysis. | |
166 | SetOutputAODClassName("AliAODPWG4Particle"); | |
167 | SetOutputAODName("example"); | |
168 | fPdg = 22; //Keep photons | |
169 | fDetector = "PHOS"; | |
170 | ||
171 | } | |
172 | ||
173 | //__________________________________________________________________ | |
174 | void AliAnaExample::Print(const Option_t * opt) const | |
175 | { | |
176 | //Print some relevant parameters set for the analysis | |
177 | if(! opt) | |
178 | return; | |
179 | ||
180 | printf("Min Pt = %3.2f\n", GetMinPt()); | |
181 | printf("Max Pt = %3.2f\n", GetMaxPt()); | |
182 | printf("Select clusters with pdg %d \n",fPdg); | |
183 | printf("Select detector %s \n",fDetector.Data()); | |
184 | ||
185 | } | |
186 | ||
187 | //__________________________________________________________________ | |
188 | void AliAnaExample::MakeAnalysisFillAOD() | |
189 | { | |
190 | //Do analysis and fill aods | |
191 | ||
192 | //Some prints | |
193 | if(GetDebug() > 0){ | |
194 | if(fDetector == "EMCAL" && GetAODEMCAL())printf("Example : in EMCAL aod entries %d\n", GetAODEMCAL()->GetEntriesFast()); | |
195 | if(fDetector == "CTS" && GetAODCTS())printf("Example : in CTS aod entries %d\n", GetAODCTS()->GetEntriesFast()); | |
196 | if(fDetector == "PHOS" && GetAODPHOS())printf("Example : in PHOS aod entries %d\n", GetAODPHOS()->GetEntriesFast()); | |
197 | } | |
198 | ||
199 | //Get List with tracks or clusters | |
200 | TClonesArray * partList = new TClonesArray; | |
201 | if(fDetector == "CTS") partList = GetAODCTS(); | |
202 | else if(fDetector == "EMCAL") partList = GetAODEMCAL(); | |
203 | else if(fDetector == "PHOS") partList = GetAODPHOS(); | |
204 | ||
205 | if(!partList || partList->GetEntriesFast() == 0) return ; | |
206 | ||
207 | //Fill AODCaloClusters and AODParticle with PHOS/EMCAL aods | |
208 | if(fDetector == "EMCAL" || fDetector == "PHOS"){ | |
209 | ||
210 | //WORK WITH CALOCLUSTERS | |
211 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC){ | |
212 | ConnectAODCaloClusters(); //Do Only when filling AODCaloClusters | |
213 | if(GetDebug() > 0) printf("Example: in calo clusters aod entries %d\n", GetAODCaloClusters()->GetEntriesFast()); | |
214 | } | |
215 | //Get vertex for photon momentum calculation | |
216 | Double_t v[3] ; //vertex ; | |
217 | GetReader()->GetVertex(v); | |
218 | ||
219 | TLorentzVector mom ; | |
220 | for(Int_t i = 0; i < partList->GetEntriesFast(); i++){ | |
221 | ||
222 | AliAODCaloCluster * calo = (AliAODCaloCluster*) (partList->At(i)); | |
223 | ||
224 | //Fill AODCaloClusters | |
225 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) | |
226 | AddAODCaloCluster(AliAODCaloCluster(*(calo))); | |
227 | ||
228 | //Fill AODParticle after some selection | |
229 | calo->GetMomentum(mom,v); | |
230 | Int_t pdg = fPdg; | |
231 | ||
232 | if(IsCaloPIDOn()){ | |
233 | Double_t pid[13]; | |
234 | calo->GetPID(pid); | |
235 | pdg = GetCaloPID()->GetPdg(fDetector,pid,mom.E()); | |
236 | //pdg = GetCaloPID()->GetPdg(fDetector,mom, | |
237 | // calo->GetM02(), calo->GetM02(), | |
238 | // calo->GetDispersion(), 0, 0); | |
239 | } | |
240 | ||
241 | //Acceptance selection | |
242 | Bool_t in = kTRUE; | |
243 | if(IsFidutialCutOn()) | |
244 | in = GetFidutialCut()->IsInFidutialCut(mom,fDetector) ; | |
245 | ||
246 | if(GetDebug() > 1) printf("cluster pt %2.2f, phi %2.2f, pdg %d, in fidutial cut %d \n",mom.Pt(), mom.Phi(), pdg, in); | |
247 | ||
248 | //Select cluster if momentum, pdg and acceptance are good | |
249 | if(mom.Pt() > GetMinPt() && pdg ==fPdg && in) { | |
250 | AliAODPWG4Particle ph = AliAODPWG4Particle(mom); | |
251 | //AddAODParticleCorrelation(AliAODPWG4ParticleCorrelation(mom)); | |
252 | ph.SetLabel(calo->GetLabel(0)); | |
253 | ph.SetPdg(pdg); | |
254 | ph.SetDetector(fDetector); | |
255 | AddAODParticle(ph); | |
256 | }//selection | |
257 | }//loop | |
258 | ||
259 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { | |
260 | //WORK WITH ESDCALOCELLS | |
261 | //Don't connect in the same analysis PHOS and EMCAL cells. | |
262 | ||
263 | AliESDCaloCells * esdCell = new AliESDCaloCells ; | |
264 | if(fDetector == "PHOS") { | |
265 | ConnectAODPHOSCells(); //Do Only when filling AODCaloCells | |
266 | esdCell = (AliESDCaloCells *) GetPHOSCells(); | |
267 | } | |
268 | else { | |
269 | ConnectAODEMCALCells(); //Do Only when filling AODCaloCells | |
270 | esdCell = (AliESDCaloCells *) GetEMCALCells(); | |
271 | } | |
272 | ||
273 | if(!esdCell) AliFatal("No CELLS available for analysis"); | |
274 | ||
275 | //Some prints | |
276 | if(GetDebug() > 0 && esdCell ) | |
277 | printf("Example : in ESD %s cell entries %d\n", fDetector.Data(), esdCell->GetNumberOfCells()); | |
278 | ||
279 | //Fill AODCells in file | |
280 | Int_t ncells = esdCell->GetNumberOfCells() ; | |
281 | GetAODCaloCells()->CreateContainer(ncells); | |
282 | ||
283 | GetAODCaloCells()->SetType((AliAODCaloCells::AODCells_t) esdCell->GetType()); | |
284 | ||
285 | for (Int_t iCell = 0; iCell < ncells; iCell++) { | |
286 | if(GetDebug() > 2) printf("cell : amp %f, absId %d, time %f\n", esdCell->GetAmplitude(iCell), esdCell->GetCellNumber(iCell), esdCell->GetTime(iCell)); | |
287 | ||
288 | GetAODCaloCells()->SetCell(iCell,esdCell->GetCellNumber(iCell),esdCell->GetAmplitude(iCell)); | |
289 | } | |
290 | GetAODCaloCells()->Sort(); | |
291 | } | |
292 | }//cluster-cell analysis | |
293 | else if(fDetector == "CTS"){ //Track analysis | |
294 | //Fill AODParticle with CTS aods | |
295 | TVector3 p3; | |
296 | for(Int_t i = 0; i < GetAODCTS()->GetEntriesFast(); i++){ | |
297 | ||
298 | AliAODTrack * track = (AliAODTrack*) (GetAODCTS()->At(i)); | |
299 | ||
300 | //Fill AODParticle after some selection | |
301 | Double_t mom[3] = {track->Px(),track->Py(),track->Pz()}; | |
302 | p3.SetXYZ(mom[0],mom[1],mom[2]); | |
303 | ||
304 | //Acceptance selection | |
305 | Bool_t in = GetFidutialCut()->IsInFidutialCut(mom,"CTS") ; | |
306 | if(GetDebug() > 1) printf("track pt %2.2f, phi %2.2f, in fidutial cut %d\n",p3.Pt(), p3.Phi(), in); | |
307 | if(p3.Pt() > GetMinPt() && in) { | |
308 | AliAODPWG4Particle tr = AliAODPWG4Particle(mom[0],mom[1],mom[2],0); | |
309 | tr.SetDetector("CTS"); | |
310 | AddAODParticle(tr); | |
311 | }//selection | |
312 | }//loop | |
313 | }//CTS analysis | |
314 | ||
315 | if(GetDebug() > 0) { | |
316 | if(fDetector!="CTS" && GetReader()->GetDataType()!= AliCaloTrackReader::kMC) | |
317 | printf("Example: final aod calocluster entries %d\n", GetAODCaloClusters()->GetEntriesFast()); | |
318 | printf("Example: final aod branch entries %d\n", GetOutputAODBranch()->GetEntriesFast()); | |
319 | if(fDetector!="CTS" && GetReader()->GetDataType()!= AliCaloTrackReader::kMC) | |
320 | printf("Example: final aod cell entries %d\n", GetAODCaloCells()->GetNumberOfCells()); | |
321 | } | |
322 | } | |
323 | ||
324 | //__________________________________________________________________ | |
325 | void AliAnaExample::MakeAnalysisFillHistograms() | |
326 | { | |
327 | //Do analysis and fill histograms | |
328 | ||
329 | //Loop on stored AODParticles | |
330 | Int_t naod = GetOutputAODBranch()->GetEntriesFast(); | |
331 | if(GetDebug() > 0) printf("histo aod branch entries %d\n", naod); | |
332 | for(Int_t iaod = 0; iaod < naod ; iaod++){ | |
333 | AliAODPWG4Particle* ph = (AliAODPWG4Particle*) (GetOutputAODBranch()->At(iaod)); | |
334 | ||
335 | fhPt->Fill(ph->Pt()); | |
336 | fhPhi->Fill(ph->Phi()); | |
337 | fhEta->Fill(ph->Eta()); | |
338 | ||
339 | if(IsDataMC()){ | |
340 | //Play with the MC stack if available | |
341 | AliStack * stack = GetMCStack() ; | |
342 | ||
343 | if(ph->GetLabel() < 0 || !stack) { | |
344 | printf("*** bad label or no stack ***: label %d \n", ph->GetLabel()); | |
345 | continue; | |
346 | } | |
347 | ||
348 | if(ph->GetLabel() >= stack->GetNtrack()) { | |
349 | printf("*** large label ***: label %d, n tracks %d \n", ph->GetLabel(), stack->GetNtrack()); | |
350 | continue ; | |
351 | } | |
352 | ||
353 | TParticle * mom = GetMCStack()->Particle(ph->GetLabel()); | |
354 | ||
355 | fh2Pt->Fill(ph->Pt(), mom->Pt()); | |
356 | fh2Phi->Fill(ph->Phi(), mom->Phi()); | |
357 | fh2Eta->Fill(ph->Eta(), mom->Eta()); | |
358 | }//Work with stack also | |
359 | }// aod branch loop | |
360 | ||
361 | // CaloCells histograms | |
362 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) { | |
363 | if(GetAODCaloCells()){ | |
364 | ||
365 | Int_t ncells = GetAODCaloCells()->GetNumberOfCells(); | |
366 | fhNCells->Fill(ncells) ; | |
367 | ||
368 | for (Int_t iCell = 0; iCell < ncells; iCell++) { | |
369 | if(GetDebug() > 2) printf("cell : amp %f, absId %d \n", GetAODCaloCells()->GetAmplitude(iCell), GetAODCaloCells()->GetCellNumber(iCell)); | |
370 | fhAmplitude->Fill(GetAODCaloCells()->GetAmplitude(iCell)); | |
371 | } | |
372 | }//calo cells container exist | |
373 | } | |
374 | } |