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1 | /************************************************************************** |
2 | * Author: Panos Christakoglou. * |
3 | * Contributors are mentioned in the code where appropriate. * |
4 | * * |
5 | * Permission to use, copy, modify and distribute this software and its * |
6 | * documentation strictly for non-commercial purposes is hereby granted * |
7 | * without fee, provided that the above copyright notice appears in all * |
8 | * copies and that both the copyright notice and this permission notice * |
9 | * appear in the supporting documentation. The authors make no claims * |
10 | * about the suitability of this software for any purpose. It is * |
11 | * provided "as is" without express or implied warranty. * |
12 | **************************************************************************/ |
13 | |
14 | /* $Id$ */ |
15 | |
16 | //----------------------------------------------------------------- |
17 | // AliTagCreator class |
18 | // This is the class to deal with the tag creation (post process) |
19 | // Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch |
20 | //----------------------------------------------------------------- |
21 | |
22 | //ROOT |
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23 | #include <TFile.h> |
24 | #include <TString.h> |
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25 | #include <TTree.h> |
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26 | #include <TSystem.h> |
27 | #include <TChain.h> |
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28 | #include <TLorentzVector.h> |
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29 | |
30 | //ROOT-AliEn |
31 | #include <TGrid.h> |
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32 | #include <TGridResult.h> |
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33 | |
34 | //AliRoot |
35 | #include "AliRunTag.h" |
36 | #include "AliEventTag.h" |
37 | #include "AliESD.h" |
38 | #include "AliESDVertex.h" |
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39 | #include "AliLog.h" |
40 | |
41 | |
42 | #include "AliTagCreator.h" |
43 | |
44 | |
45 | ClassImp(AliTagCreator) |
46 | |
47 | |
48 | //______________________________________________________________________________ |
49 | AliTagCreator::AliTagCreator() //local mode |
50 | { |
51 | //==============Default constructor for a AliTagCreator================== |
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52 | fgridpath = ""; |
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53 | fSE = ""; |
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54 | fStorage = 0; |
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55 | } |
56 | |
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57 | //______________________________________________________________________________ |
58 | AliTagCreator::~AliTagCreator() |
59 | { |
60 | //================Default destructor for a AliTagCreator======================= |
61 | } |
62 | |
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63 | //______________________________________________________________________________ |
64 | void AliTagCreator::SetStorage(Int_t storage) |
65 | { |
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66 | // Sets correctly the storage: 0 for local, 1 for GRID |
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67 | fStorage = storage; |
68 | if(fStorage == 0) |
69 | AliInfo(Form("Tags will be stored locally....")); |
70 | if(fStorage == 1) |
71 | AliInfo(Form("Tags will be stored in the grid....")); |
72 | if((fStorage != 0)&&(fStorage != 1)) |
73 | { |
74 | AliInfo(Form("Storage was not properly set!!!")); |
75 | abort(); |
76 | } |
77 | } |
78 | |
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79 | |
80 | //______________________________________________________________________________ |
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81 | Bool_t AliTagCreator::ReadESDCollection(TGridResult *fresult) |
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82 | { |
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83 | // Reads the entry of the TGridResult and creates the tags |
84 | Int_t nEntries = fresult->GetEntries(); |
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85 | |
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86 | TString alienUrl; |
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87 | const char *guid; |
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88 | const char *md5; |
89 | const char *turl; |
90 | Long64_t size = -1; |
91 | |
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92 | Int_t counter = 0; |
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93 | for(Int_t i = 0; i < nEntries; i++) |
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94 | { |
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95 | alienUrl = fresult->GetKey(i,"turl"); |
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96 | guid = fresult->GetKey(i,"guid"); |
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97 | if(fresult->GetKey(i,"size")) |
98 | size = atol (fresult->GetKey(i,"size")); |
99 | md5 = fresult->GetKey(i,"md5"); |
100 | turl = fresult->GetKey(i,"turl"); |
101 | if(md5 && !strlen(guid)) |
102 | md5 = 0; |
103 | if(guid && !strlen(guid)) |
104 | guid = 0; |
105 | |
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106 | TFile *f = TFile::Open(alienUrl,"READ"); |
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107 | CreateTag(f,guid,md5,turl,size,counter); |
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108 | f->Close(); |
109 | delete f; |
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110 | counter += 1; |
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111 | }//grid result loop |
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112 | |
113 | return kTRUE; |
114 | } |
115 | |
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116 | //__________________________________________________________________________ |
117 | Bool_t AliTagCreator::MergeTags() |
118 | { |
119 | //Merges the tags and stores the merged tag file |
120 | //locally if fStorage=0 or in the grid if fStorage=1 |
121 | AliInfo(Form("Merging tags.....")); |
122 | TChain *fgChain = new TChain("T"); |
123 | |
124 | if(fStorage == 0) { |
125 | const char * tagPattern = "tag"; |
126 | // Open the working directory |
127 | void * dirp = gSystem->OpenDirectory(gSystem->pwd()); |
128 | const char * name = 0x0; |
129 | // Add all files matching *pattern* to the chain |
130 | while((name = gSystem->GetDirEntry(dirp))) { |
131 | if (strstr(name,tagPattern)) |
132 | fgChain->Add(name); |
133 | }//directory loop |
134 | AliInfo(Form("Chained tag files: %d",fgChain->GetEntries())); |
135 | }//local mode |
136 | |
137 | else if(fStorage == 1) { |
138 | TString alienLocation = gGrid->Pwd(); |
139 | alienLocation += fgridpath.Data(); |
140 | alienLocation += "/"; |
141 | |
142 | TGridResult *tagresult = gGrid->Query(alienLocation,"*tag.root","",""); |
143 | Int_t nEntries = tagresult->GetEntries(); |
144 | for(Int_t i = 0; i < nEntries; i++) { |
145 | TString alienUrl = tagresult->GetKey(i,"turl"); |
146 | fgChain->Add(alienUrl); |
147 | }//grid result loop |
148 | AliInfo(Form("Chained tag files: %d",fgChain->GetEntries())); |
149 | }//grid mode |
150 | |
151 | AliRunTag *tag = new AliRunTag; |
152 | AliEventTag *evTag = new AliEventTag; |
153 | fgChain->SetBranchAddress("AliTAG",&tag); |
154 | |
155 | //Defining new tag objects |
156 | AliRunTag *newTag = new AliRunTag(); |
157 | TTree ttag("T","A Tree with event tags"); |
158 | TBranch * btag = ttag.Branch("AliTAG", &newTag); |
159 | btag->SetCompressionLevel(9); |
160 | for(Int_t iTagFiles = 0; iTagFiles < fgChain->GetEntries(); iTagFiles++) { |
161 | fgChain->GetEntry(iTagFiles); |
162 | newTag->SetRunId(tag->GetRunId()); |
163 | const TClonesArray *tagList = tag->GetEventTags(); |
164 | for(Int_t j = 0; j < tagList->GetEntries(); j++) { |
165 | evTag = (AliEventTag *) tagList->At(j); |
166 | newTag->AddEventTag(*evTag); |
167 | } |
168 | ttag.Fill(); |
169 | newTag->Clear(); |
170 | }//tag file loop |
171 | |
172 | TString localFileName = "Run"; localFileName += tag->GetRunId(); |
173 | localFileName += ".Merged"; localFileName += ".ESD.tag.root"; |
174 | |
175 | TString alienFileName = "/alien"; |
176 | alienFileName += gGrid->Pwd(); |
177 | alienFileName += fgridpath.Data(); |
178 | alienFileName += "/"; |
179 | alienFileName += localFileName; |
180 | alienFileName += "?se="; |
181 | alienFileName += fSE.Data(); |
182 | |
183 | TString filename = 0x0; |
184 | |
185 | if(fStorage == 0) { |
186 | filename = localFileName.Data(); |
187 | AliInfo(Form("Writing merged tags to local file: %s",filename.Data())); |
188 | } |
189 | if(fStorage == 1) { |
190 | filename = alienFileName.Data(); |
191 | AliInfo(Form("Writing merged tags to grid file: %s",filename.Data())); |
192 | } |
193 | |
194 | TFile* ftag = TFile::Open(filename, "recreate"); |
195 | ftag->cd(); |
196 | ttag.Write(); |
197 | ftag->Close(); |
198 | |
199 | delete tag; |
200 | delete evTag; |
201 | delete newTag; |
202 | |
203 | return kTRUE; |
204 | } |
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205 | |
206 | //_____________________________________________________________________________ |
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207 | void AliTagCreator::CreateTag(TFile* file, const char *guid, const char *md5, const char *turl, Long64_t size, Int_t Counter) |
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208 | { |
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209 | ///////////// |
210 | //muon code// |
211 | //////////// |
212 | Double_t MUON_MASS = 0.105658369; |
213 | //Variables |
214 | Double_t X,Y,Z ; |
215 | Double_t ThetaX, ThetaY, Pyz,Chisquare; |
216 | Double_t PxRec,PyRec, PzRec, Energy; |
217 | Int_t Charge; |
218 | TLorentzVector EPvector; |
219 | |
220 | Float_t ZVertexCut = 10.0; |
221 | Float_t RhoVertexCut = 2.0; |
222 | |
223 | Float_t LowPtCut = 1.0; |
224 | Float_t HighPtCut = 3.0; |
225 | Float_t VeryHighPtCut = 10.0; |
226 | //////////// |
227 | |
228 | Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05}; |
229 | |
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230 | // Creates the tags for all the events in a given ESD file |
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231 | Int_t ntrack; |
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232 | Int_t nProtons, nKaons, nPions, nMuons, nElectrons; |
233 | Int_t nPos, nNeg, nNeutr; |
234 | Int_t nK0s, nNeutrons, nPi0s, nGamas; |
235 | Int_t nCh1GeV, nCh3GeV, nCh10GeV; |
236 | Int_t nMu1GeV, nMu3GeV, nMu10GeV; |
237 | Int_t nEl1GeV, nEl3GeV, nEl10GeV; |
238 | Float_t maxPt = .0, meanPt = .0, totalP = .0; |
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239 | |
240 | AliRunTag *tag = new AliRunTag(); |
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241 | AliEventTag *evTag = new AliEventTag(); |
242 | TTree ttag("T","A Tree with event tags"); |
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243 | TBranch * btag = ttag.Branch("AliTAG", &tag); |
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244 | btag->SetCompressionLevel(9); |
245 | |
246 | AliInfo(Form("Creating the tags.......")); |
247 | |
248 | Int_t firstEvent = 0,lastEvent = 0; |
249 | TTree *t = (TTree*) file->Get("esdTree"); |
250 | TBranch * b = t->GetBranch("ESD"); |
251 | AliESD *esd = 0; |
252 | b->SetAddress(&esd); |
253 | |
254 | tag->SetRunId(esd->GetRunNumber()); |
255 | |
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256 | Int_t iNumberOfEvents = b->GetEntries(); |
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257 | for (Int_t iEventNumber = 0; iEventNumber < iNumberOfEvents; iEventNumber++) { |
258 | ntrack = 0; |
259 | nPos = 0; |
260 | nNeg = 0; |
261 | nNeutr =0; |
262 | nK0s = 0; |
263 | nNeutrons = 0; |
264 | nPi0s = 0; |
265 | nGamas = 0; |
266 | nProtons = 0; |
267 | nKaons = 0; |
268 | nPions = 0; |
269 | nMuons = 0; |
270 | nElectrons = 0; |
271 | nCh1GeV = 0; |
272 | nCh3GeV = 0; |
273 | nCh10GeV = 0; |
274 | nMu1GeV = 0; |
275 | nMu3GeV = 0; |
276 | nMu10GeV = 0; |
277 | nEl1GeV = 0; |
278 | nEl3GeV = 0; |
279 | nEl10GeV = 0; |
280 | maxPt = .0; |
281 | meanPt = .0; |
282 | totalP = .0; |
283 | |
284 | b->GetEntry(iEventNumber); |
285 | const AliESDVertex * vertexIn = esd->GetVertex(); |
286 | |
287 | for (Int_t iTrackNumber = 0; iTrackNumber < esd->GetNumberOfTracks(); iTrackNumber++) { |
288 | AliESDtrack * esdTrack = esd->GetTrack(iTrackNumber); |
289 | UInt_t status = esdTrack->GetStatus(); |
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290 | |
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291 | //select only tracks with ITS refit |
292 | if ((status&AliESDtrack::kITSrefit)==0) continue; |
293 | //select only tracks with TPC refit |
294 | if ((status&AliESDtrack::kTPCrefit)==0) continue; |
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295 | |
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296 | //select only tracks with the "combined PID" |
297 | if ((status&AliESDtrack::kESDpid)==0) continue; |
298 | Double_t p[3]; |
299 | esdTrack->GetPxPyPz(p); |
300 | Double_t momentum = sqrt(pow(p[0],2) + pow(p[1],2) + pow(p[2],2)); |
301 | Double_t fPt = sqrt(pow(p[0],2) + pow(p[1],2)); |
302 | totalP += momentum; |
303 | meanPt += fPt; |
304 | if(fPt > maxPt) maxPt = fPt; |
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305 | |
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306 | if(esdTrack->GetSign() > 0) { |
307 | nPos++; |
308 | if(fPt > LowPtCut) nCh1GeV++; |
309 | if(fPt > HighPtCut) nCh3GeV++; |
310 | if(fPt > VeryHighPtCut) nCh10GeV++; |
311 | } |
312 | if(esdTrack->GetSign() < 0) { |
313 | nNeg++; |
314 | if(fPt > LowPtCut) nCh1GeV++; |
315 | if(fPt > HighPtCut) nCh3GeV++; |
316 | if(fPt > VeryHighPtCut) nCh10GeV++; |
317 | } |
318 | if(esdTrack->GetSign() == 0) nNeutr++; |
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319 | |
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320 | //PID |
321 | Double_t prob[5]; |
322 | esdTrack->GetESDpid(prob); |
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323 | |
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324 | Double_t rcc = 0.0; |
325 | for(Int_t i = 0; i < AliPID::kSPECIES; i++) rcc += prob[i]*partFrac[i]; |
326 | if(rcc == 0.0) continue; |
327 | //Bayes' formula |
328 | Double_t w[5]; |
329 | for(Int_t i = 0; i < AliPID::kSPECIES; i++) w[i] = prob[i]*partFrac[i]/rcc; |
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330 | |
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331 | //protons |
332 | if ((w[4]>w[3])&&(w[4]>w[2])&&(w[4]>w[1])&&(w[4]>w[0])) nProtons++; |
333 | //kaons |
334 | if ((w[3]>w[4])&&(w[3]>w[2])&&(w[3]>w[1])&&(w[3]>w[0])) nKaons++; |
335 | //pions |
336 | if ((w[2]>w[4])&&(w[2]>w[3])&&(w[2]>w[1])&&(w[2]>w[0])) nPions++; |
337 | //electrons |
338 | if ((w[0]>w[4])&&(w[0]>w[3])&&(w[0]>w[2])&&(w[0]>w[1])) { |
339 | nElectrons++; |
340 | if(fPt > LowPtCut) nEl1GeV++; |
341 | if(fPt > HighPtCut) nEl3GeV++; |
342 | if(fPt > VeryHighPtCut) nEl10GeV++; |
343 | } |
344 | ntrack++; |
345 | }//esd track loop |
346 | |
347 | ///////////// |
348 | //muon code// |
349 | //////////// |
350 | Int_t nMuonTracks = esd->GetNumberOfMuonTracks(); |
351 | // loop over all reconstructed tracks (also first track of combination) |
352 | for (Int_t iTrack = 0; iTrack < nMuonTracks; iTrack++) { |
353 | AliESDMuonTrack* muonTrack = esd->GetMuonTrack(iTrack); |
354 | if (muonTrack == 0x0) continue; |
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355 | |
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356 | // Coordinates at vertex |
357 | Z = muonTrack->GetZ(); |
358 | Y = muonTrack->GetBendingCoor(); |
359 | X = muonTrack->GetNonBendingCoor(); |
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360 | |
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361 | ThetaX = muonTrack->GetThetaX(); |
362 | ThetaY = muonTrack->GetThetaY(); |
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363 | |
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364 | Pyz = 1./TMath::Abs(muonTrack->GetInverseBendingMomentum()); |
365 | PzRec = - Pyz / TMath::Sqrt(1.0 + TMath::Tan(ThetaY)*TMath::Tan(ThetaY)); |
366 | PxRec = PzRec * TMath::Tan(ThetaX); |
367 | PyRec = PzRec * TMath::Tan(ThetaY); |
368 | Charge = Int_t(TMath::Sign(1.,muonTrack->GetInverseBendingMomentum())); |
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369 | |
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370 | //ChiSquare of the track if needed |
371 | Chisquare = muonTrack->GetChi2()/(2.0 * muonTrack->GetNHit() - 5); |
372 | Energy = TMath::Sqrt(MUON_MASS * MUON_MASS + PxRec * PxRec + PyRec * PyRec + PzRec * PzRec); |
373 | EPvector.SetPxPyPzE(PxRec, PyRec, PzRec, Energy); |
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374 | |
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375 | // total number of muons inside a vertex cut |
376 | if((TMath::Abs(Z)<ZVertexCut) && (TMath::Sqrt(Y*Y+X*X)<RhoVertexCut)) { |
377 | nMuons++; |
378 | if(EPvector.Pt() > LowPtCut) { |
379 | nMu1GeV++; |
380 | if(EPvector.Pt() > HighPtCut) { |
381 | nMu3GeV++; |
382 | if (EPvector.Pt() > VeryHighPtCut) { |
383 | nMu10GeV++; |
384 | } |
385 | } |
386 | } |
387 | } |
388 | }//muon track loop |
389 | |
390 | // Fill the event tags |
391 | if(ntrack != 0) |
392 | meanPt = meanPt/ntrack; |
393 | |
394 | evTag->SetEventId(iEventNumber+1); |
395 | evTag->SetGUID(guid); |
396 | evTag->SetMD5(md5); |
397 | evTag->SetTURL(turl); |
398 | evTag->SetSize(size); |
399 | evTag->SetVertexX(vertexIn->GetXv()); |
400 | evTag->SetVertexY(vertexIn->GetYv()); |
401 | evTag->SetVertexZ(vertexIn->GetZv()); |
402 | |
403 | evTag->SetT0VertexZ(esd->GetT0zVertex()); |
404 | |
405 | evTag->SetTrigger(esd->GetTrigger()); |
406 | |
407 | evTag->SetZDCNeutronEnergy(esd->GetZDCNEnergy()); |
408 | evTag->SetZDCProtonEnergy(esd->GetZDCPEnergy()); |
409 | evTag->SetZDCEMEnergy(esd->GetZDCEMEnergy()); |
410 | evTag->SetNumOfParticipants(esd->GetZDCParticipants()); |
411 | |
412 | |
413 | evTag->SetNumOfTracks(esd->GetNumberOfTracks()); |
414 | evTag->SetNumOfPosTracks(nPos); |
415 | evTag->SetNumOfNegTracks(nNeg); |
416 | evTag->SetNumOfNeutrTracks(nNeutr); |
417 | |
418 | evTag->SetNumOfV0s(esd->GetNumberOfV0s()); |
419 | evTag->SetNumOfCascades(esd->GetNumberOfCascades()); |
420 | evTag->SetNumOfKinks(esd->GetNumberOfKinks()); |
421 | evTag->SetNumOfPMDTracks(esd->GetNumberOfPmdTracks()); |
422 | |
423 | evTag->SetNumOfProtons(nProtons); |
424 | evTag->SetNumOfKaons(nKaons); |
425 | evTag->SetNumOfPions(nPions); |
426 | evTag->SetNumOfMuons(nMuons); |
427 | evTag->SetNumOfElectrons(nElectrons); |
428 | evTag->SetNumOfPhotons(nGamas); |
429 | evTag->SetNumOfPi0s(nPi0s); |
430 | evTag->SetNumOfNeutrons(nNeutrons); |
431 | evTag->SetNumOfKaon0s(nK0s); |
432 | |
433 | evTag->SetNumOfChargedAbove1GeV(nCh1GeV); |
434 | evTag->SetNumOfChargedAbove3GeV(nCh3GeV); |
435 | evTag->SetNumOfChargedAbove10GeV(nCh10GeV); |
436 | evTag->SetNumOfMuonsAbove1GeV(nMu1GeV); |
437 | evTag->SetNumOfMuonsAbove3GeV(nMu3GeV); |
438 | evTag->SetNumOfMuonsAbove10GeV(nMu10GeV); |
439 | evTag->SetNumOfElectronsAbove1GeV(nEl1GeV); |
440 | evTag->SetNumOfElectronsAbove3GeV(nEl3GeV); |
441 | evTag->SetNumOfElectronsAbove10GeV(nEl10GeV); |
442 | |
443 | evTag->SetNumOfPHOSTracks(esd->GetNumberOfPHOSParticles()); |
444 | evTag->SetNumOfEMCALTracks(esd->GetNumberOfEMCALParticles()); |
445 | |
446 | evTag->SetTotalMomentum(totalP); |
447 | evTag->SetMeanPt(meanPt); |
448 | evTag->SetMaxPt(maxPt); |
449 | |
450 | tag->AddEventTag(*evTag); |
451 | }//event loop |
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452 | lastEvent = iNumberOfEvents; |
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453 | |
454 | t->Delete(""); |
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455 | |
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456 | ttag.Fill(); |
457 | tag->Clear(); |
458 | |
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459 | TString localFileName = "Run"; localFileName += tag->GetRunId(); |
460 | localFileName += ".Event"; localFileName += firstEvent; localFileName += "_"; localFileName += lastEvent; localFileName += "."; localFileName += Counter; |
461 | localFileName += ".ESD.tag.root"; |
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462 | |
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463 | TString alienLocation = "/alien"; |
464 | alienLocation += gGrid->Pwd(); |
465 | alienLocation += fgridpath.Data(); |
466 | alienLocation += "/"; |
467 | alienLocation += localFileName; |
468 | alienLocation += "?se="; |
469 | alienLocation += fSE.Data(); |
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470 | |
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471 | TString fileName; |
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472 | |
473 | if(fStorage == 0) |
474 | { |
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475 | fileName = localFileName.Data(); |
476 | AliInfo(Form("Writing tags to local file: %s",fileName.Data())); |
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477 | } |
478 | if(fStorage == 1) |
479 | { |
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480 | fileName = alienLocation.Data(); |
481 | AliInfo(Form("Writing tags to grid file: %s",fileName.Data())); |
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482 | } |
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483 | |
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484 | TFile* ftag = TFile::Open(fileName, "recreate"); |
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485 | ftag->cd(); |
486 | ttag.Write(); |
487 | ftag->Close(); |
488 | |
489 | delete ftag; |
490 | delete esd; |
491 | |
492 | delete tag; |
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493 | delete evTag; |
494 | } |
495 | |