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72c0a987 | 1 | // $Id$ |
2 | ||
3 | //************************************************************************** | |
4 | //* This file is property of and copyright by the ALICE Project * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | //* Sedat Altinpinar <Sedat.Altinpinar@cern.ch> * | |
9 | //* Hege Erdal <hege.erdal@gmail.com> * | |
10 | //* * | |
11 | //* Permission to use, copy, modify and distribute this software and its * | |
12 | //* documentation strictly for non-commercial purposes is hereby granted * | |
13 | //* without fee, provided that the above copyright notice appears in all * | |
14 | //* copies and that both the copyright notice and this permission notice * | |
15 | //* appear in the supporting documentation. The authors make no claims * | |
16 | //* about the suitability of this software for any purpose. It is * | |
17 | //* provided "as is" without express or implied warranty. * | |
18 | //************************************************************************** | |
19 | ||
20 | /// @file AliAnalysisTaskDxHFEParticleSelection.cxx | |
21 | /// @author Sedat Altinpinar, Hege Erdal, Matthias Richter | |
22 | /// @date 2012-03-19 | |
23 | /// @brief AnalysisTask electron selection for D0 - HFE correlation | |
24 | /// | |
25 | ||
26 | #include "AliAnalysisTaskDxHFEParticleSelection.h" | |
27 | #include "AliDxHFEParticleSelection.h" | |
93fcaf9f | 28 | #include "AliDxHFEParticleSelectionD0.h" |
d731501a | 29 | #include "AliDxHFEParticleSelectionMCD0.h" |
2229ac91 | 30 | #include "AliDxHFEParticleSelectionEl.h" |
31 | #include "AliDxHFEParticleSelectionMCEl.h" | |
72c0a987 | 32 | #include "AliAnalysisManager.h" |
9535cec9 | 33 | #include "AliAnalysisCuts.h" |
72c0a987 | 34 | #include "AliLog.h" |
9535cec9 | 35 | #include "TH1F.h" |
72c0a987 | 36 | #include "AliESDInputHandler.h" |
9535cec9 | 37 | #include "AliAODHandler.h" |
38 | #include "AliAODRecoDecayHF2Prong.h" | |
39 | #include "AliRDHFCutsD0toKpi.h" | |
2229ac91 | 40 | #include "AliHFEtools.h" |
72c0a987 | 41 | #include "TChain.h" |
42 | #include "TSystem.h" | |
2229ac91 | 43 | #include "TObjArray.h" |
72c0a987 | 44 | #include "TFile.h" |
2229ac91 | 45 | #include "TList.h" |
9535cec9 | 46 | #include "TObjArray.h" |
93fcaf9f | 47 | #include <memory> |
72c0a987 | 48 | |
9535cec9 | 49 | using namespace std; |
50 | ||
72c0a987 | 51 | /// ROOT macro for the implementation of ROOT specific class methods |
52 | ClassImp(AliAnalysisTaskDxHFEParticleSelection) | |
53 | ||
54 | AliAnalysisTaskDxHFEParticleSelection::AliAnalysisTaskDxHFEParticleSelection(const char* opt) | |
55 | : AliAnalysisTaskSE("AliAnalysisTaskDxHFEParticleSelection") | |
56 | , fOutput(0) | |
57 | , fOption(opt) | |
2229ac91 | 58 | , fCutList(NULL) |
59 | , fCutsD0(NULL) | |
72c0a987 | 60 | , fSelector(NULL) |
9535cec9 | 61 | , fUseMC(kFALSE) |
d731501a | 62 | , fFillOnlyD0D0bar(0) |
2229ac91 | 63 | , fSelectedTracks(NULL) |
64 | , fParticleType(kD0) | |
65 | , fSystem(0) | |
72c0a987 | 66 | { |
67 | // constructor | |
68 | // | |
69 | // | |
70 | ||
71 | DefineSlots(); | |
72 | } | |
73 | ||
74 | int AliAnalysisTaskDxHFEParticleSelection::DefineSlots() | |
75 | { | |
76 | // define the data slots | |
77 | DefineInput(0, TChain::Class()); | |
78 | DefineOutput(1, TList::Class()); | |
2229ac91 | 79 | DefineOutput(2, TList::Class()); |
72c0a987 | 80 | return 0; |
81 | } | |
82 | ||
83 | AliAnalysisTaskDxHFEParticleSelection::~AliAnalysisTaskDxHFEParticleSelection() | |
84 | { | |
85 | // destructor | |
86 | // | |
87 | // | |
88 | ||
89 | // histograms are in the output list and deleted when the output | |
90 | // list is deleted by the TSelector dtor | |
91 | ||
92 | if (fOutput && !AliAnalysisManager::GetAnalysisManager()->IsProofMode()) { | |
93 | delete fOutput; | |
94 | fOutput = 0; | |
95 | } | |
96 | ||
97 | if (fSelector) { | |
98 | fSelector->Clear(); | |
99 | delete fSelector; | |
100 | fSelector=NULL; | |
101 | } | |
2229ac91 | 102 | if(fSelectedTracks){ |
103 | delete fSelectedTracks; | |
104 | fSelectedTracks=NULL; | |
9535cec9 | 105 | } |
2229ac91 | 106 | // external object, do not delete |
107 | fCutsD0=NULL; | |
108 | ||
72c0a987 | 109 | } |
110 | ||
111 | void AliAnalysisTaskDxHFEParticleSelection::UserCreateOutputObjects() | |
112 | { | |
113 | // create result objects and add to output list | |
114 | ||
2229ac91 | 115 | Int_t iResult=0; |
116 | ||
72c0a987 | 117 | fOutput = new TList; |
118 | fOutput->SetOwner(); | |
93fcaf9f | 119 | |
2229ac91 | 120 | ParseArguments(fOption.Data()); |
121 | ||
122 | // REVIEW: this has only effect if the list is deleted, it should | |
123 | // be done where the list is created, in any case, all objects of the | |
124 | // list are presumably external objects, they should not be deleted in | |
125 | // this class | |
126 | fCutList->SetOwner(); // NOt sure if needed | |
127 | ||
128 | ||
d731501a | 129 | // setting up for D0s |
2229ac91 | 130 | if(fParticleType==kD0){ |
131 | ||
132 | TString selectionD0Options; | |
133 | switch (fFillOnlyD0D0bar) { | |
134 | case 1: selectionD0Options+="FillOnlyD0 "; break; | |
135 | case 2: selectionD0Options+="FillOnlyD0bar "; break; | |
136 | default: selectionD0Options+="FillD0D0bar "; | |
137 | } | |
138 | ||
139 | if(fUseMC) fSelector=new AliDxHFEParticleSelectionMCD0(selectionD0Options); | |
140 | else fSelector=new AliDxHFEParticleSelectionD0(selectionD0Options); | |
141 | fSelector->SetCuts(fCutList,AliDxHFEParticleSelectionD0::kCutList); | |
142 | ||
143 | TObject *obj=NULL; | |
144 | TIter iter(fCutList); | |
145 | while((obj = iter())){ | |
146 | fCutsD0=dynamic_cast<AliRDHFCuts*>(obj); | |
147 | if (!fCutsD0) { | |
148 | AliError(Form("Cut object is not of required type AliRDHFCuts but %s", obj->ClassName())); | |
149 | } | |
150 | } | |
151 | } | |
152 | ||
153 | ||
154 | // Setting up for electrons | |
155 | if(fParticleType==kElectron){ | |
156 | if(fUseMC) fSelector=new AliDxHFEParticleSelectionMCEl; | |
157 | else fSelector=new AliDxHFEParticleSelectionEl; | |
158 | fSelector->SetCuts(fCutList, AliDxHFEParticleSelectionEl::kCutList); | |
159 | ||
160 | // If running on electrons, for now use RDHFCuts for event selection. | |
161 | // Set up default cut object: | |
162 | AliRDHFCutsD0toKpi* cuts=new AliRDHFCutsD0toKpi(); | |
163 | cuts->SetStandardCutsPP2010(); | |
164 | fCutsD0=cuts; | |
165 | } | |
166 | ||
167 | iResult=fSelector->Init(); | |
168 | if (iResult<0) { | |
169 | AliFatal(Form("initialization of worker class instance fElectrons failed with error %d", iResult)); | |
9535cec9 | 170 | } |
9535cec9 | 171 | |
9535cec9 | 172 | |
173 | // Retrieving the list containing histos and THnSparse | |
174 | // and storing them instead of fSelector | |
175 | // Fix to be able to merge | |
176 | TList *list =(TList*)fSelector->GetControlObjects(); | |
177 | TObject *obj=NULL; | |
178 | ||
179 | TIter next(list); | |
180 | while((obj = next())){ | |
181 | fOutput->Add(obj); | |
182 | } | |
183 | ||
72c0a987 | 184 | // all tasks must post data once for all outputs |
185 | PostData(1, fOutput); | |
2229ac91 | 186 | PostData(2, fCutList); |
72c0a987 | 187 | } |
188 | ||
189 | void AliAnalysisTaskDxHFEParticleSelection::UserExec(Option_t* /*option*/) | |
190 | { | |
191 | // process the event | |
192 | ||
193 | // TODO: implement correct input, this is likely not to be the | |
194 | // ESD | |
195 | TObject* pInput=InputEvent(); | |
196 | if (!pInput) { | |
197 | AliError("failed to get input"); | |
198 | return; | |
199 | } | |
9535cec9 | 200 | |
201 | // check if input is an ESD | |
72c0a987 | 202 | AliVEvent *pEvent = dynamic_cast<AliVEvent*>(pInput); |
9535cec9 | 203 | TClonesArray *inputArray=0; |
204 | ||
205 | if(!pEvent && AODEvent() && IsStandardAOD()) { //Not sure if this is needed.. Keep it for now. | |
206 | // In case there is an AOD handler writing a standard AOD, use the AOD | |
207 | // event in memory rather than the input (ESD) event. | |
208 | pEvent = AODEvent(); | |
209 | // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root) | |
210 | // have to taken from the AOD event hold by the AliAODExtension | |
211 | AliAODHandler* aodHandler = (AliAODHandler*) | |
212 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
213 | ||
214 | if(aodHandler->GetExtensions()) { | |
215 | AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root"); | |
216 | AliAODEvent* aodFromExt = ext->GetAOD(); | |
217 | inputArray=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi"); | |
218 | } | |
219 | } else if(pEvent) { | |
220 | inputArray=(TClonesArray*)pEvent->GetList()->FindObject("D0toKpi"); | |
221 | } | |
222 | if(!inputArray || !pEvent) { | |
223 | AliError("Input branch not found!\n"); | |
224 | return; | |
225 | } | |
226 | // fix for temporary bug in ESDfilter | |
227 | // the AODs with null vertex pointer didn't pass the PhysSel | |
228 | if(!pEvent->GetPrimaryVertex() || TMath::Abs(pEvent->GetMagneticField())<0.001){ | |
229 | AliDebug(2,"Rejected at GetPrimaryvertex"); | |
230 | return; | |
231 | } | |
232 | ||
233 | fSelector->HistogramEventProperties(AliDxHFEParticleSelection::kEventsAll); | |
9535cec9 | 234 | |
2229ac91 | 235 | //At the moment: Use AliRDHFCuts for event selection |
236 | AliRDHFCuts* cutsd0=dynamic_cast<AliRDHFCuts*>(fCutsD0); | |
237 | if (!cutsd0) return; // Fatal thrown already in initialization | |
238 | ||
239 | if(!cutsd0->IsEventSelected(pEvent)) { | |
9535cec9 | 240 | AliDebug(2,"rejected at IsEventSelected"); |
72c0a987 | 241 | return; |
242 | } | |
243 | ||
9535cec9 | 244 | fSelector->HistogramEventProperties(AliDxHFEParticleSelection::kEventsSel); |
9535cec9 | 245 | |
2229ac91 | 246 | if(fParticleType==kElectron){ |
247 | // Gets the PID response from the analysis manager | |
248 | AliPIDResponse *pidResponse = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler())->GetPIDResponse(); | |
249 | if(!pidResponse){ | |
250 | // TODO: consider issuing fatal instead of debug in case pidresponse not available | |
251 | AliDebug(1, "Using default PID Response"); | |
252 | pidResponse = AliHFEtools::GetDefaultPID(kFALSE, fInputEvent->IsA() == AliAODEvent::Class()); | |
253 | } | |
254 | ||
255 | // Fetching the PID objects from the list, checks if the objects are AliHFEpids | |
256 | // If so, checks if they are initialized and also sets the pidresponse | |
257 | TObject *obj=NULL; | |
258 | TIter next(fCutList); | |
259 | while((obj = next())){ | |
260 | if(strcmp(obj->ClassName(),"AliHFEpid")==0){ | |
261 | AliHFEpid* pidObj=(AliHFEpid*)obj; | |
262 | if(!pidObj->IsInitialized()){ | |
263 | AliWarning("PID not initialised, get from Run no"); | |
264 | pidObj->InitializePID(pEvent->GetRunNumber()); | |
265 | } | |
266 | pidObj->SetPIDResponse(pidResponse); | |
267 | } | |
268 | } | |
9535cec9 | 269 | |
2229ac91 | 270 | // Also sends the pidresponse to the particle selection class for electron |
271 | fSelector->SetPIDResponse(pidResponse); | |
9535cec9 | 272 | |
93fcaf9f | 273 | } |
274 | ||
2229ac91 | 275 | if (fSelectedTracks) delete fSelectedTracks; |
276 | ||
277 | if(fParticleType==kElectron) | |
278 | fSelectedTracks=fSelector->Select(pEvent); | |
279 | else | |
280 | fSelectedTracks=fSelector->Select(inputArray,pEvent); | |
281 | ||
282 | Int_t nSelected = fSelectedTracks->GetEntriesFast(); | |
283 | if(nSelected>0) | |
284 | fSelector->HistogramEventProperties(AliDxHFEParticleSelection::kEventsWithParticle); | |
285 | ||
72c0a987 | 286 | PostData(1, fOutput); |
287 | } | |
288 | ||
2229ac91 | 289 | int AliAnalysisTaskDxHFEParticleSelection::ParseArguments(const char* arguments) |
290 | { | |
291 | // parse arguments and set internal flags | |
292 | TString strArguments(arguments); | |
293 | auto_ptr<TObjArray> tokens(strArguments.Tokenize(" ")); | |
294 | if (!tokens.get()) return 0; | |
295 | ||
296 | TIter next(tokens.get()); | |
297 | TObject* token; | |
298 | while ((token=next())) { | |
299 | TString argument=token->GetName(); | |
300 | ||
301 | if (argument.BeginsWith("mc")) { | |
302 | fUseMC=true; | |
303 | continue; | |
304 | } | |
305 | if (argument.BeginsWith("system=")) { | |
306 | argument.ReplaceAll("system=", ""); | |
307 | if (argument.CompareTo("pp")==0)fSystem=0; | |
308 | else if (argument.CompareTo("Pb-Pb")==0) fSystem=1; | |
309 | else { | |
310 | AliWarning(Form("can not set collision system, unknown parameter '%s'", argument.Data())); | |
311 | // TODO: check what makes sense | |
312 | fSystem=0; | |
313 | } | |
314 | continue; | |
315 | } | |
316 | if (argument.BeginsWith("fillD0scheme=")){ | |
317 | argument.ReplaceAll("fillD0scheme=", ""); | |
318 | if (argument.CompareTo("both")==0){ fFillOnlyD0D0bar=0; AliInfo("Filling both D0 and D0bar ");} | |
319 | else if (argument.CompareTo("D0")==0){ fFillOnlyD0D0bar=1; AliInfo("Filling only D0 ");} | |
320 | else if (argument.CompareTo("D0bar")==0){ fFillOnlyD0D0bar=2; AliInfo("Filling only D0bar"); } | |
321 | else { | |
322 | AliWarning(Form("can not set D0 filling scheme, unknown parameter '%s'", argument.Data())); | |
323 | fFillOnlyD0D0bar=0; | |
324 | } | |
325 | continue; | |
326 | } | |
327 | if (argument.BeginsWith("particle=")){ | |
328 | argument.ReplaceAll("particle=",""); | |
329 | if (argument.CompareTo("D0")==0){ fParticleType=kD0; AliInfo("Running over D0s ");} | |
330 | else if (argument.CompareTo("electron")==0){ fParticleType=kElectron; AliInfo("Running over Electrons ");} | |
331 | else{ | |
332 | AliWarning(Form("can not set particle, unknown parameter '%s'. Particle set to D0", argument.Data())); | |
333 | fParticleType=kD0; | |
334 | } | |
335 | continue; | |
336 | ||
337 | } | |
338 | AliWarning(Form("unknown argument '%s'", argument.Data())); | |
339 | ||
340 | } | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
72c0a987 | 345 | void AliAnalysisTaskDxHFEParticleSelection::FinishTaskOutput() |
346 | { | |
347 | // end of the processing | |
348 | } | |
349 | ||
350 | void AliAnalysisTaskDxHFEParticleSelection::Terminate(Option_t *) | |
351 | { | |
352 | // last action on the client | |
353 | fOutput = dynamic_cast<TList*> (GetOutputData(1)); | |
354 | if (!fOutput) { | |
355 | AliFatal("failed to get output container"); | |
356 | return; | |
357 | } | |
358 | ||
359 | } |