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7be13e68 | 1 | #include "AliHBTReaderESD.h" |
7e35966a | 2 | //____________________________________________________________________ |
3 | ////////////////////////////////////////////////////////////////////// | |
4 | // // | |
5 | // class AliHBTReaderESD // | |
6 | // // | |
7 | // reader for ALICE Event Summary Data (ESD). // | |
8 | // // | |
9 | // Piotr.Skowronski@cern.ch // | |
10 | // // | |
11 | ////////////////////////////////////////////////////////////////////// | |
7be13e68 | 12 | |
13 | #include <TPDGCode.h> | |
14 | #include <TString.h> | |
15 | #include <TObjString.h> | |
16 | #include <TTree.h> | |
17 | #include <TFile.h> | |
88378f71 | 18 | #include <TKey.h> |
7be13e68 | 19 | #include <TParticle.h> |
58734aa5 | 20 | #include <TH1.h> |
7be13e68 | 21 | |
88378f71 | 22 | #include <AliRun.h> |
bed069a4 | 23 | #include <AliRunLoader.h> |
24 | #include <AliStack.h> | |
7be13e68 | 25 | #include <AliESDtrack.h> |
26 | #include <AliESD.h> | |
27 | ||
28 | #include "AliHBTRun.h" | |
29 | #include "AliHBTEvent.h" | |
30 | #include "AliHBTParticle.h" | |
31 | #include "AliHBTParticleCut.h" | |
88378f71 | 32 | #include "AliHBTTrackPoints.h" |
33 | #include "AliHBTClusterMap.h" | |
7be13e68 | 34 | |
35 | ClassImp(AliHBTReaderESD) | |
36 | ||
bed069a4 | 37 | AliHBTReaderESD::AliHBTReaderESD(const Char_t* esdfilename, const Char_t* galfilename): |
7be13e68 | 38 | fESDFileName(esdfilename), |
bed069a4 | 39 | fGAlFileName(galfilename), |
40 | fFile(0x0), | |
41 | fRunLoader(0x0), | |
88378f71 | 42 | fKeyIterator(0x0), |
43 | fReadParticles(kFALSE), | |
eb9ddbc0 | 44 | fCheckParticlePID(kFALSE), |
88378f71 | 45 | fNTrackPoints(0), |
46 | fdR(0.0), | |
47 | fClusterMap(kFALSE), | |
ae05eed3 | 48 | fMustTPC(kFALSE), |
88378f71 | 49 | fNTPCClustMin(0), |
50 | fNTPCClustMax(150), | |
51 | fTPCChi2PerClustMin(0.0), | |
52 | fTPCChi2PerClustMax(10e5), | |
2e184671 | 53 | fChi2Min(0.0), |
54 | fChi2Max(10e5), | |
88378f71 | 55 | fC00Min(0.0), |
56 | fC00Max(10e5), | |
57 | fC11Min(0.0), | |
58 | fC11Max(10e5), | |
59 | fC22Min(0.0), | |
60 | fC22Max(10e5), | |
61 | fC33Min(0.0), | |
62 | fC33Max(10e5), | |
63 | fC44Min(0.0), | |
64 | fC44Max(10e5), | |
65 | fTPCC00Min(0.0), | |
66 | fTPCC00Max(10e5), | |
67 | fTPCC11Min(0.0), | |
68 | fTPCC11Max(10e5), | |
69 | fTPCC22Min(0.0), | |
70 | fTPCC22Max(10e5), | |
71 | fTPCC33Min(0.0), | |
72 | fTPCC33Max(10e5), | |
73 | fTPCC44Min(0.0), | |
74 | fTPCC44Max(10e5) | |
75 | ||
7be13e68 | 76 | { |
77 | //cosntructor | |
78 | if ( ((Int_t)kNSpecies) != ((Int_t)AliESDtrack::kSPECIES)) | |
79 | Fatal("AliHBTReaderESD","ESD defintions probobly changed. Ask Youra."); | |
80 | } | |
81 | /********************************************************************/ | |
82 | ||
bed069a4 | 83 | AliHBTReaderESD::AliHBTReaderESD(TObjArray* dirs,const Char_t* esdfilename, const Char_t* galfilename): |
7be13e68 | 84 | AliHBTReader(dirs), |
7be13e68 | 85 | fESDFileName(esdfilename), |
bed069a4 | 86 | fGAlFileName(galfilename), |
87 | fFile(0x0), | |
88 | fRunLoader(0x0), | |
88378f71 | 89 | fKeyIterator(0x0), |
90 | fReadParticles(kFALSE), | |
eb9ddbc0 | 91 | fCheckParticlePID(kFALSE), |
88378f71 | 92 | fNTrackPoints(0), |
93 | fdR(0.0), | |
94 | fClusterMap(kFALSE), | |
ae05eed3 | 95 | fMustTPC(kFALSE), |
88378f71 | 96 | fNTPCClustMin(0), |
97 | fNTPCClustMax(150), | |
98 | fTPCChi2PerClustMin(0.0), | |
99 | fTPCChi2PerClustMax(10e5), | |
2e184671 | 100 | fChi2Min(0.0), |
101 | fChi2Max(10e5), | |
88378f71 | 102 | fC00Min(0.0), |
103 | fC00Max(10e5), | |
104 | fC11Min(0.0), | |
105 | fC11Max(10e5), | |
106 | fC22Min(0.0), | |
107 | fC22Max(10e5), | |
108 | fC33Min(0.0), | |
109 | fC33Max(10e5), | |
110 | fC44Min(0.0), | |
111 | fC44Max(10e5), | |
112 | fTPCC00Min(0.0), | |
113 | fTPCC00Max(10e5), | |
114 | fTPCC11Min(0.0), | |
115 | fTPCC11Max(10e5), | |
116 | fTPCC22Min(0.0), | |
117 | fTPCC22Max(10e5), | |
118 | fTPCC33Min(0.0), | |
119 | fTPCC33Max(10e5), | |
120 | fTPCC44Min(0.0), | |
121 | fTPCC44Max(10e5) | |
7be13e68 | 122 | { |
123 | //cosntructor | |
124 | if ( ((Int_t)kNSpecies) != ((Int_t)AliESDtrack::kSPECIES)) | |
125 | Fatal("AliHBTReaderESD","ESD defintions probobly changed. Ask Youra."); | |
126 | } | |
127 | /********************************************************************/ | |
128 | ||
129 | AliHBTReaderESD::~AliHBTReaderESD() | |
130 | { | |
131 | //desctructor | |
bed069a4 | 132 | delete fRunLoader; |
88378f71 | 133 | delete fKeyIterator; |
7e35966a | 134 | delete fFile; |
7be13e68 | 135 | } |
bed069a4 | 136 | /**********************************************************/ |
137 | Int_t AliHBTReaderESD::ReadNext() | |
7be13e68 | 138 | { |
bed069a4 | 139 | //reads next event from fFile |
88378f71 | 140 | //fRunLoader is for reading Kine |
7be13e68 | 141 | |
83a9f895 | 142 | if (AliHBTParticle::GetDebug()) |
bed069a4 | 143 | Info("ReadNext","Entered"); |
144 | ||
bed069a4 | 145 | if (fParticlesEvent == 0x0) fParticlesEvent = new AliHBTEvent(); |
146 | if (fTracksEvent == 0x0) fTracksEvent = new AliHBTEvent(); | |
147 | ||
148 | fParticlesEvent->Reset(); | |
149 | fTracksEvent->Reset(); | |
150 | ||
7be13e68 | 151 | do //do{}while; is OK even if 0 dirs specified. In that case we try to read from "./" |
152 | { | |
bed069a4 | 153 | if (fFile == 0x0) |
7be13e68 | 154 | { |
bed069a4 | 155 | fFile = OpenFile(fCurrentDir);//rl is opened here |
156 | if (fFile == 0x0) | |
7be13e68 | 157 | { |
bed069a4 | 158 | Error("ReadNext","Cannot get fFile for dir no. %d",fCurrentDir); |
159 | fCurrentDir++; | |
160 | continue; | |
161 | } | |
162 | fCurrentEvent = 0; | |
88378f71 | 163 | fKeyIterator = new TIter(fFile->GetListOfKeys()); |
61f231ad | 164 | // fFile->Dump(); |
165 | // fFile->GetListOfKeys()->Print(); | |
bed069a4 | 166 | } |
88378f71 | 167 | TKey* key = (TKey*)fKeyIterator->Next(); |
168 | if (key == 0x0) | |
169 | { | |
170 | if (AliHBTParticle::GetDebug() > 2 ) | |
171 | { | |
172 | Info("ReadNext","No more keys."); | |
173 | } | |
174 | fCurrentDir++; | |
175 | delete fKeyIterator; | |
176 | fKeyIterator = 0x0; | |
177 | delete fFile;//we have to assume there is no more ESD objects in the fFile | |
178 | fFile = 0x0; | |
179 | delete fRunLoader; | |
180 | fRunLoader = 0x0; | |
181 | continue; | |
182 | } | |
bed069a4 | 183 | //try to read |
88378f71 | 184 | |
185 | ||
186 | // TObject* esdobj = key->ReadObj(); | |
187 | // if (esdobj == 0x0) | |
188 | // { | |
189 | // if (AliHBTParticle::GetDebug() > 2 ) | |
190 | // { | |
191 | // Info("ReadNext","Key read NULL. Key Name is %s",key->GetName()); | |
192 | // key->Dump(); | |
193 | // } | |
194 | // continue; | |
195 | // } | |
196 | // esdobj->Dump(); | |
197 | // AliESD* esd = dynamic_cast<AliESD*>(esdobj); | |
198 | ||
199 | TString esdname = "ESD"; | |
bed069a4 | 200 | esdname+=fCurrentEvent; |
201 | AliESD* esd = dynamic_cast<AliESD*>(fFile->Get(esdname)); | |
202 | if (esd == 0x0) | |
203 | { | |
88378f71 | 204 | // if (AliHBTParticle::GetDebug() > 2 ) |
205 | // { | |
206 | // Info("ReadNext","This key is not an AliESD object %s",key->GetName()); | |
207 | // } | |
83a9f895 | 208 | if (AliHBTParticle::GetDebug() > 2 ) |
bed069a4 | 209 | { |
88378f71 | 210 | Info("ReadNext","Can not find AliESD object named %s",esdname.Data()); |
bed069a4 | 211 | } |
212 | fCurrentDir++; | |
88378f71 | 213 | delete fKeyIterator; |
214 | fKeyIterator = 0x0; | |
bed069a4 | 215 | delete fFile;//we have to assume there is no more ESD objects in the fFile |
bed069a4 | 216 | fFile = 0x0; |
88378f71 | 217 | delete fRunLoader; |
7e35966a | 218 | fRunLoader = 0x0; |
bed069a4 | 219 | continue; |
220 | } | |
61f231ad | 221 | |
222 | ReadESD(esd); | |
223 | ||
224 | fCurrentEvent++; | |
225 | fNEventsRead++; | |
226 | delete esd; | |
227 | return 0;//success -> read one event | |
228 | }while(fCurrentDir < GetNumberOfDirs());//end of loop over directories specified in fDirs Obj Array | |
229 | ||
230 | return 1; //no more directories to read | |
231 | } | |
232 | /**********************************************************/ | |
88378f71 | 233 | |
61f231ad | 234 | Int_t AliHBTReaderESD::ReadESD(AliESD* esd) |
235 | { | |
236 | //****** Tentative particle type "concentrations" | |
237 | static const Double_t concentr[5]={0.05, 0., 0.85, 0.10, 0.05}; | |
238 | ||
239 | Double_t pidtable[kNSpecies];//array used for reading pid probabilities from ESD track | |
240 | Double_t w[kNSpecies]; | |
241 | Double_t mom[3];//momentum | |
242 | Double_t pos[3];//position | |
243 | Double_t vertexpos[3];//vertex position | |
244 | //Reads one ESD | |
245 | if (esd == 0x0) | |
246 | { | |
247 | Error("ReadESD","ESD is NULL"); | |
248 | return 1; | |
249 | } | |
88378f71 | 250 | |
61f231ad | 251 | TDatabasePDG* pdgdb = TDatabasePDG::Instance(); |
252 | if (pdgdb == 0x0) | |
253 | { | |
254 | Error("ReadESD","Can not get PDG Database Instance."); | |
255 | return 1; | |
256 | } | |
257 | ||
258 | Float_t mf = esd->GetMagneticField(); | |
259 | ||
260 | if ( (mf == 0.0) && (fNTrackPoints > 0) ) | |
261 | { | |
262 | Error("ReadESD","Magnetic Field is 0 and Track Points Demended. Skipping to next event."); | |
263 | return 1; | |
264 | } | |
265 | ||
266 | AliStack* stack = 0x0; | |
267 | if (fReadParticles && fRunLoader) | |
268 | { | |
269 | fRunLoader->GetEvent(fCurrentEvent); | |
270 | stack = fRunLoader->Stack(); | |
271 | } | |
272 | ||
273 | const AliESDVertex* vertex = esd->GetVertex(); | |
274 | if (vertex == 0x0) | |
275 | { | |
276 | Info("ReadESD","ESD returned NULL pointer to vertex - assuming (0.0,0.0,0.0)"); | |
277 | vertexpos[0] = 0.0; | |
278 | vertexpos[1] = 0.0; | |
279 | vertexpos[2] = 0.0; | |
280 | } | |
281 | else | |
282 | { | |
283 | vertex->GetXYZ(vertexpos); | |
284 | } | |
285 | ||
286 | if (AliHBTParticle::GetDebug() > 0) | |
287 | { | |
288 | Info("ReadESD","Primary Vertex is (%f,%f,%f)",vertexpos[0],vertexpos[1],vertexpos[2]); | |
289 | } | |
290 | ||
291 | Info("ReadESD","Reading Event %d",fCurrentEvent); | |
292 | ||
293 | Int_t ntr = esd->GetNumberOfTracks(); | |
294 | Info("ReadESD","Found %d tracks.",ntr); | |
295 | for (Int_t i = 0;i<ntr; i++) | |
296 | { | |
297 | AliESDtrack *esdtrack = esd->GetTrack(i); | |
298 | if (esdtrack == 0x0) | |
88378f71 | 299 | { |
61f231ad | 300 | Error("Next","Can not get track %d", i); |
301 | continue; | |
88378f71 | 302 | } |
61f231ad | 303 | |
304 | //if (esdtrack->HasVertexParameters() == kFALSE) | |
305 | if ((esdtrack->GetStatus() & AliESDtrack::kITSrefit) == kFALSE) | |
306 | { | |
307 | if (AliHBTParticle::GetDebug() > 2) | |
308 | Info("ReadNext","Particle skipped: Data at vertex not available."); | |
309 | continue; | |
310 | } | |
311 | ||
ae05eed3 | 312 | if (fMustTPC) |
313 | { | |
314 | if ((esdtrack->GetStatus() & AliESDtrack::kTPCin) == kFALSE) | |
315 | { | |
316 | if (AliHBTParticle::GetDebug() > 2) | |
317 | Info("ReadNext","Particle skipped: Was not reconstructed in TPC."); | |
318 | continue; | |
319 | } | |
320 | } | |
61f231ad | 321 | if ((esdtrack->GetStatus() & AliESDtrack::kESDpid) == kFALSE) |
bed069a4 | 322 | { |
61f231ad | 323 | if (AliHBTParticle::GetDebug() > 2) |
324 | Info("ReadNext","Particle skipped: PID BIT is not set."); | |
325 | continue; | |
bed069a4 | 326 | } |
61f231ad | 327 | |
328 | ||
329 | Double_t extx; | |
330 | Double_t extp[5]; | |
331 | esdtrack->GetConstrainedExternalParameters(extx,extp); | |
332 | if (extp[4] == 0.0) | |
333 | { | |
334 | if (AliHBTParticle::GetDebug() > 2) | |
335 | Info("ReadNext","Track has 0 contrianed curvature -> Probobly parameters never updated. Skipping."); | |
336 | continue; | |
337 | } | |
338 | esdtrack->GetESDpid(pidtable); | |
61f231ad | 339 | esdtrack->GetConstrainedPxPyPz(mom); |
61f231ad | 340 | esdtrack->GetConstrainedXYZ(pos); |
341 | pos[0] -= vertexpos[0];//we are interested only in relative position to Primary vertex at this point | |
342 | pos[1] -= vertexpos[1]; | |
343 | pos[2] -= vertexpos[2]; | |
344 | ||
d62f2982 | 345 | Int_t charge = (extp[4] > 0)?1:-1;//if curvature=charg/Pt is positive charge is positive |
61f231ad | 346 | |
347 | //Particle from kinematics | |
348 | AliHBTParticle* particle = 0; | |
349 | Bool_t keeppart = kFALSE; | |
350 | if ( fReadParticles && stack ) | |
bed069a4 | 351 | { |
61f231ad | 352 | if (esdtrack->GetLabel() < 0) continue;//this is fake - we are not able to match any track |
353 | TParticle *p = stack->Particle(esdtrack->GetLabel()); | |
354 | if (p==0x0) | |
bed069a4 | 355 | { |
61f231ad | 356 | Error("ReadNext","Can not find track with such label."); |
bed069a4 | 357 | continue; |
358 | } | |
f843f9c4 | 359 | if (fCheckParticlePID) |
eb9ddbc0 | 360 | { |
f843f9c4 | 361 | if(Pass(p->GetPdgCode())) |
362 | { | |
363 | if ( AliHBTParticle::GetDebug() > 5 ) | |
364 | Info("ReadNext","Simulated Particle PID (%d) did not pass the cut.",p->GetPdgCode()); | |
365 | continue; //check if we are intersted with particles of this type | |
366 | } | |
eb9ddbc0 | 367 | } |
61f231ad | 368 | // if(p->GetPdgCode()<0) charge = -1; |
369 | particle = new AliHBTParticle(*p,i); | |
370 | ||
371 | } | |
eb9ddbc0 | 372 | |
373 | if(CheckTrack(esdtrack)) continue; | |
374 | ||
61f231ad | 375 | //Here we apply Bayes' formula |
376 | Double_t rc=0.; | |
377 | for (Int_t s=0; s<AliESDtrack::kSPECIES; s++) rc+=concentr[s]*pidtable[s]; | |
378 | if (rc==0.0) | |
379 | { | |
380 | if (AliHBTParticle::GetDebug() > 2) | |
381 | Info("ReadNext","Particle rejected since total bayessian PID probab. is zero."); | |
382 | continue; | |
383 | } | |
384 | ||
385 | for (Int_t s=0; s<AliESDtrack::kSPECIES; s++) w[s]=concentr[s]*pidtable[s]/rc; | |
386 | ||
387 | if (AliHBTParticle::GetDebug() > 4) | |
388 | { | |
389 | Info("ReadNext","###########################################################################"); | |
390 | Info("ReadNext","Momentum: %f %f %f",mom[0],mom[1],mom[2]); | |
391 | Info("ReadNext","Position: %f %f %f",pos[0],pos[1],pos[2]); | |
392 | TString msg("Pid list got from track:"); | |
393 | for (Int_t s = 0;s<kNSpecies;s++) | |
7e35966a | 394 | { |
61f231ad | 395 | msg+="\n "; |
396 | msg+=s; | |
397 | msg+="("; | |
398 | msg+=charge*GetSpeciesPdgCode((ESpecies)s); | |
399 | msg+="): "; | |
400 | msg+=w[s]; | |
401 | msg+=" ("; | |
402 | msg+=pidtable[s]; | |
403 | msg+=")"; | |
7e35966a | 404 | } |
61f231ad | 405 | Info("ReadNext","%s",msg.Data()); |
406 | }//if (AliHBTParticle::GetDebug()>4) | |
407 | ||
408 | AliHBTTrackPoints* tpts = 0x0; | |
409 | if (fNTrackPoints > 0) | |
410 | { | |
411 | tpts = new AliHBTTrackPoints(fNTrackPoints,esdtrack,mf,fdR); | |
412 | } | |
413 | ||
414 | AliHBTClusterMap* cmap = 0x0; | |
415 | if ( fClusterMap ) | |
416 | { | |
417 | cmap = new AliHBTClusterMap(esdtrack); | |
418 | } | |
419 | ||
420 | for (Int_t s = 0; s<kNSpecies; s++) | |
421 | { | |
422 | Int_t pdgcode = charge*GetSpeciesPdgCode((ESpecies)s); | |
423 | Float_t pp = w[s]; | |
424 | if (pp == 0.0) | |
bed069a4 | 425 | { |
61f231ad | 426 | if ( AliHBTParticle::GetDebug() > 5 ) |
427 | Info("ReadNext","Probability of being PID %d is zero. Continuing.",pdgcode); | |
bed069a4 | 428 | continue; |
429 | } | |
61f231ad | 430 | |
431 | if(Pass(pdgcode)) | |
bed069a4 | 432 | { |
61f231ad | 433 | if ( AliHBTParticle::GetDebug() > 5 ) |
434 | Info("ReadNext","PID (%d) did not pass the cut.",pdgcode); | |
435 | continue; //check if we are intersted with particles of this type | |
bed069a4 | 436 | } |
61f231ad | 437 | |
438 | Double_t mass = pdgdb->GetParticle(pdgcode)->Mass(); | |
439 | Double_t tEtot = TMath::Sqrt( mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2] + mass*mass);//total energy of the track | |
440 | ||
441 | AliHBTParticle* track = new AliHBTParticle(pdgcode, w[s],i, | |
442 | mom[0], mom[1], mom[2], tEtot, | |
443 | pos[0], pos[1], pos[2], 0.); | |
444 | //copy probabilitis of other species (if not zero) | |
445 | for (Int_t k = 0; k<kNSpecies; k++) | |
bed069a4 | 446 | { |
61f231ad | 447 | if (k == s) continue; |
448 | if (w[k] == 0.0) continue; | |
449 | track->SetPIDprobability(charge*GetSpeciesPdgCode( (ESpecies)k ),w[k]); | |
450 | } | |
451 | ||
452 | if(Pass(track))//check if meets all criteria of any of our cuts | |
453 | //if it does not delete it and take next good track | |
454 | { | |
455 | if ( AliHBTParticle::GetDebug() > 4 ) | |
456 | Info("ReadNext","Track did not pass the cut"); | |
457 | delete track; | |
bed069a4 | 458 | continue; |
459 | } | |
7be13e68 | 460 | |
61f231ad | 461 | //Single Particle cuts on cluster map and track points rather do not have sense |
462 | if (tpts) | |
463 | { | |
464 | track->SetTrackPoints(tpts); | |
465 | } | |
7be13e68 | 466 | |
61f231ad | 467 | if (cmap) |
bed069a4 | 468 | { |
61f231ad | 469 | track->SetClusterMap(cmap); |
470 | } | |
88378f71 | 471 | |
61f231ad | 472 | fTracksEvent->AddParticle(track); |
473 | if (particle) fParticlesEvent->AddParticle(particle); | |
474 | keeppart = kTRUE; | |
7be13e68 | 475 | |
61f231ad | 476 | if (AliHBTParticle::GetDebug() > 4 ) |
bed069a4 | 477 | { |
61f231ad | 478 | Info("ReadNext","\n\nAdding Particle with incarnation %d",pdgcode); |
479 | track->Print(); | |
d62f2982 | 480 | if (particle) particle->Print(); |
481 | Info("ReadNext","\n----------------------------------------------\n"); | |
88378f71 | 482 | } |
61f231ad | 483 | }//for (Int_t s = 0; s<kNSpecies; s++) |
484 | ||
485 | if (keeppart == kFALSE) | |
486 | { | |
487 | delete particle;//particle was not stored in event | |
488 | delete tpts; | |
489 | delete cmap; | |
490 | } | |
491 | ||
492 | }//for (Int_t i = 0;i<ntr; i++) -- loop over tracks | |
493 | ||
494 | Info("ReadNext","Read %d tracks and %d particles from event %d (event %d in dir %d).", | |
495 | fTracksEvent->GetNumberOfParticles(), fParticlesEvent->GetNumberOfParticles(), | |
496 | fNEventsRead,fCurrentEvent,fCurrentDir); | |
58734aa5 | 497 | fTrackCounter->Fill(fTracksEvent->GetNumberOfParticles()); |
61f231ad | 498 | return 0; |
bed069a4 | 499 | } |
61f231ad | 500 | |
bed069a4 | 501 | /**********************************************************/ |
61f231ad | 502 | |
bed069a4 | 503 | void AliHBTReaderESD::Rewind() |
504 | { | |
7e35966a | 505 | //rewinds reading |
88378f71 | 506 | delete fKeyIterator; |
bed069a4 | 507 | delete fFile; |
88378f71 | 508 | fFile = 0x0; |
509 | fKeyIterator = 0x0; | |
bed069a4 | 510 | delete fRunLoader; |
88378f71 | 511 | fRunLoader = 0x0; |
bed069a4 | 512 | fCurrentDir = 0; |
513 | fNEventsRead = 0; | |
58734aa5 | 514 | if (fTrackCounter) fTrackCounter->Reset(); |
bed069a4 | 515 | } |
7be13e68 | 516 | /**********************************************************/ |
bed069a4 | 517 | |
7be13e68 | 518 | TFile* AliHBTReaderESD::OpenFile(Int_t n) |
519 | { | |
bed069a4 | 520 | //opens fFile with kine tree |
7be13e68 | 521 | |
522 | const TString& dirname = GetDirName(n); | |
523 | if (dirname == "") | |
524 | { | |
525 | Error("OpenFiles","Can not get directory name"); | |
526 | return 0x0; | |
527 | } | |
528 | TString filename = dirname +"/"+ fESDFileName; | |
529 | TFile *ret = TFile::Open(filename.Data()); | |
530 | ||
531 | if ( ret == 0x0) | |
532 | { | |
bed069a4 | 533 | Error("OpenFiles","Can't open fFile %s",filename.Data()); |
7be13e68 | 534 | return 0x0; |
535 | } | |
536 | if (!ret->IsOpen()) | |
537 | { | |
bed069a4 | 538 | Error("OpenFiles","Can't open fFile %s",filename.Data()); |
7be13e68 | 539 | return 0x0; |
540 | } | |
541 | ||
88378f71 | 542 | if (fReadParticles ) |
bed069a4 | 543 | { |
544 | fRunLoader = AliRunLoader::Open(dirname +"/"+ fGAlFileName); | |
545 | if (fRunLoader == 0x0) | |
546 | { | |
547 | Error("OpenFiles","Can't get RunLoader for directory %s",dirname.Data()); | |
548 | delete ret; | |
549 | return 0x0; | |
550 | } | |
88378f71 | 551 | |
bed069a4 | 552 | fRunLoader->LoadHeader(); |
553 | if (fRunLoader->LoadKinematics()) | |
554 | { | |
555 | Error("Next","Error occured while loading kinematics."); | |
556 | delete fRunLoader; | |
557 | delete ret; | |
558 | return 0x0; | |
559 | } | |
560 | } | |
88378f71 | 561 | |
7be13e68 | 562 | return ret; |
563 | } | |
564 | /**********************************************************/ | |
565 | ||
566 | Int_t AliHBTReaderESD::GetSpeciesPdgCode(ESpecies spec)//skowron | |
567 | { | |
568 | //returns pdg code from the PID index | |
569 | //ask jura about charge | |
570 | switch (spec) | |
571 | { | |
572 | case kESDElectron: | |
573 | return kPositron; | |
574 | break; | |
575 | case kESDMuon: | |
576 | return kMuonPlus; | |
577 | break; | |
578 | case kESDPion: | |
579 | return kPiPlus; | |
580 | break; | |
581 | case kESDKaon: | |
582 | return kKPlus; | |
583 | break; | |
584 | case kESDProton: | |
585 | return kProton; | |
586 | break; | |
587 | default: | |
588 | ::Warning("GetSpeciesPdgCode","Specie with number %d is not defined.",(Int_t)spec); | |
589 | break; | |
590 | } | |
591 | return 0; | |
592 | } | |
88378f71 | 593 | /********************************************************************/ |
eb9ddbc0 | 594 | Bool_t AliHBTReaderESD::CheckTrack(AliESDtrack* t) const |
595 | { | |
596 | //Performs check of the track | |
597 | ||
2e184671 | 598 | if ( (t->GetConstrainedChi2() < fChi2Min) || (t->GetConstrainedChi2() > fChi2Max) ) return kTRUE; |
eb9ddbc0 | 599 | |
600 | if ( (t->GetTPCclusters(0x0) < fNTPCClustMin) || (t->GetTPCclusters(0x0) > fNTPCClustMax) ) return kTRUE; | |
601 | ||
2e184671 | 602 | if (t->GetTPCclusters(0x0) > 0) |
603 | { | |
604 | Float_t chisqpercl = t->GetTPCchi2()/((Double_t)t->GetTPCclusters(0x0)); | |
605 | if ( (chisqpercl < fTPCChi2PerClustMin) || (chisqpercl > fTPCChi2PerClustMax) ) return kTRUE; | |
606 | } | |
eb9ddbc0 | 607 | |
608 | Double_t cc[15]; | |
609 | t->GetConstrainedExternalCovariance(cc); | |
610 | ||
611 | if ( (cc[0] < fC00Min) || (cc[0] > fC00Max) ) return kTRUE; | |
612 | if ( (cc[2] < fC11Min) || (cc[2] > fC11Max) ) return kTRUE; | |
613 | if ( (cc[5] < fC22Min) || (cc[5] > fC22Max) ) return kTRUE; | |
614 | if ( (cc[9] < fC33Min) || (cc[9] > fC33Max) ) return kTRUE; | |
615 | if ( (cc[14] < fC44Min) || (cc[14] > fC44Max) ) return kTRUE; | |
616 | ||
617 | ||
618 | t->GetInnerExternalCovariance(cc); | |
619 | ||
620 | if ( (cc[0] < fTPCC00Min) || (cc[0] > fTPCC00Max) ) return kTRUE; | |
621 | if ( (cc[2] < fTPCC11Min) || (cc[2] > fTPCC11Max) ) return kTRUE; | |
622 | if ( (cc[5] < fTPCC22Min) || (cc[5] > fTPCC22Max) ) return kTRUE; | |
623 | if ( (cc[9] < fTPCC33Min) || (cc[9] > fTPCC33Max) ) return kTRUE; | |
624 | if ( (cc[14] < fTPCC44Min) || (cc[14] > fTPCC44Max) ) return kTRUE; | |
625 | ||
626 | return kFALSE; | |
627 | ||
628 | } | |
629 | /********************************************************************/ | |
630 | ||
98383320 | 631 | void AliHBTReaderESD::SetChi2Range(Float_t min, Float_t max) |
eb9ddbc0 | 632 | { |
633 | //sets range of Chi2 per Cluster | |
634 | fChi2Min = min; | |
635 | fChi2Max = max; | |
636 | } | |
637 | /********************************************************************/ | |
88378f71 | 638 | |
639 | void AliHBTReaderESD::SetTPCNClustersRange(Int_t min,Int_t max) | |
640 | { | |
641 | //sets range of Number Of Clusters that tracks have to have | |
642 | fNTPCClustMin = min; | |
643 | fNTPCClustMax = max; | |
644 | } | |
645 | /********************************************************************/ | |
646 | ||
647 | void AliHBTReaderESD::SetTPCChi2PerCluserRange(Float_t min, Float_t max) | |
648 | { | |
649 | //sets range of Chi2 per Cluster | |
650 | fTPCChi2PerClustMin = min; | |
651 | fTPCChi2PerClustMax = max; | |
652 | } | |
653 | /********************************************************************/ | |
654 | ||
655 | void AliHBTReaderESD::SetC00Range(Float_t min, Float_t max) | |
656 | { | |
657 | //Sets range of C00 parameter of covariance matrix of the track | |
658 | //it defines uncertainty of the momentum | |
659 | fC00Min = min; | |
660 | fC00Max = max; | |
661 | } | |
662 | /********************************************************************/ | |
663 | ||
664 | void AliHBTReaderESD::SetC11Range(Float_t min, Float_t max) | |
665 | { | |
666 | //Sets range of C11 parameter of covariance matrix of the track | |
667 | //it defines uncertainty of the momentum | |
668 | fC11Min = min; | |
669 | fC11Max = max; | |
670 | } | |
671 | /********************************************************************/ | |
672 | ||
673 | void AliHBTReaderESD::SetC22Range(Float_t min, Float_t max) | |
674 | { | |
675 | //Sets range of C22 parameter of covariance matrix of the track | |
676 | //it defines uncertainty of the momentum | |
677 | fC22Min = min; | |
678 | fC22Max = max; | |
679 | } | |
680 | /********************************************************************/ | |
681 | ||
682 | void AliHBTReaderESD::SetC33Range(Float_t min, Float_t max) | |
683 | { | |
684 | //Sets range of C33 parameter of covariance matrix of the track | |
685 | //it defines uncertainty of the momentum | |
686 | fC33Min = min; | |
687 | fC33Max = max; | |
688 | } | |
689 | /********************************************************************/ | |
690 | ||
691 | void AliHBTReaderESD::SetC44Range(Float_t min, Float_t max) | |
692 | { | |
693 | //Sets range of C44 parameter of covariance matrix of the track | |
694 | //it defines uncertainty of the momentum | |
695 | fC44Min = min; | |
696 | fC44Max = max; | |
697 | } |