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7cc34f08 | 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 | ||
16 | ||
17 | /////////////////////////////////////////////////////////////////////////// | |
18 | /* | |
19 | ||
20 | Origin: marian.ivanov@cern.ch | |
21 | ||
22 | Generate complex MC information - used for Comparison later on | |
23 | How to use it? | |
24 | ||
25 | ||
26 | ---Usage outside of the analysis framework | |
27 | ||
28 | gSystem->Load("libANALYSIS.so") | |
29 | gSystem->Load("libPWG1.so") | |
30 | AliGenInfoMaker *t = new AliGenInfoMaker("galice.root","genTracks.root",0,0) | |
31 | t->Exec(); | |
32 | ||
33 | */ | |
34 | ||
35 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
36 | #include <stdio.h> | |
37 | #include <string.h> | |
38 | //ROOT includes | |
39 | #include "TROOT.h" | |
40 | #include "Rtypes.h" | |
41 | #include "TFile.h" | |
42 | #include "TTree.h" | |
43 | #include "TStopwatch.h" | |
44 | #include "TParticle.h" | |
45 | #include "TDatabasePDG.h" | |
46 | ||
47 | //ALIROOT includes | |
48 | #include "AliMCEvent.h" | |
49 | #include "AliMCEventHandler.h" | |
50 | ||
51 | #include "AliRun.h" | |
52 | #include "AliStack.h" | |
53 | #include "AliSimDigits.h" | |
54 | #include "AliTPCParam.h" | |
55 | #include "AliTPC.h" | |
56 | #include "AliTPCLoader.h" | |
57 | #include "AliTrackReference.h" | |
58 | #include "AliTPCParamSR.h" | |
59 | #include "AliTrackPointArray.h" | |
60 | ||
61 | #endif | |
62 | #include "AliMCInfo.h" | |
63 | #include "AliGenV0Info.h" | |
64 | #include "AliGenKinkInfo.h" | |
65 | #include "AliGenInfoMaker.h" | |
66 | // | |
67 | // | |
68 | ||
69 | ClassImp(AliGenInfoMaker) | |
70 | ||
71 | ||
72 | ||
73 | ||
74 | ||
75 | ||
76 | ||
77 | //////////////////////////////////////////////////////////////////////// | |
78 | AliGenInfoMaker::AliGenInfoMaker(): | |
79 | fGenTracksArray(0), //clones array with filtered particles | |
80 | fGenKinkArray(0), //clones array with filtered Kinks | |
81 | fGenV0Array(0), //clones array with filtered V0s | |
82 | fDebug(0), //! debug flag | |
83 | fEventNr(0), //! current event number | |
84 | fLabel(0), //! track label | |
85 | fNEvents(0), //! number of events to process | |
86 | fFirstEventNr(0), //! first event to process | |
87 | fNParticles(0), //! number of particles in TreeK | |
88 | fTreeGenTracks(0), //! output tree with generated tracks | |
89 | fTreeKinks(0), //! output tree with Kinks | |
90 | fTreeV0(0), //! output tree with V0 | |
91 | fFileGenTracks(0), //! output file with stored fTreeGenTracks | |
92 | fLoader(0), //! pointer to the run loader | |
93 | fTreeD(0), //! current tree with digits | |
94 | fTreeTR(0), //! current tree with TR | |
95 | fStack(0), //! current stack | |
96 | fGenInfo(0), //! array with pointers to gen info | |
97 | fNInfos(0), //! number of tracks with infos | |
98 | fParamTPC(0), //! AliTPCParam | |
99 | fTPCPtCut(0.1), // TPC pt cut | |
100 | fITSPtCut(0.1), // ITS pt cut | |
101 | fTRDPtCut(0.1), // TRD pt cut | |
102 | fTOFPtCut(0.1) // TOF pt cut | |
103 | { | |
104 | sprintf(fFnRes,"%s","genTracks.root"); | |
105 | } | |
106 | ||
107 | ||
108 | ||
109 | ||
110 | //////////////////////////////////////////////////////////////////////// | |
111 | AliGenInfoMaker::AliGenInfoMaker(const char * fnGalice, const char* fnRes, | |
112 | Int_t nEvents, Int_t firstEvent): | |
113 | fGenTracksArray(0), //clones array with filtered particles | |
114 | fGenKinkArray(0), //clones array with filtered Kinks | |
115 | fGenV0Array(0), //clones array with filtered V0s | |
116 | fDebug(0), //! debug flag | |
117 | fEventNr(0), //! current event number | |
118 | fLabel(0), //! track label | |
119 | fNEvents(0), //! number of events to process | |
120 | fFirstEventNr(0), //! first event to process | |
121 | fNParticles(0), //! number of particles in TreeK | |
122 | fTreeGenTracks(0), //! output tree with generated tracks | |
123 | fTreeKinks(0), //! output tree with Kinks | |
124 | fTreeV0(0), //! output tree with V0 | |
125 | fFileGenTracks(0), //! output file with stored fTreeGenTracks | |
126 | fLoader(0), //! pointer to the run loader | |
127 | fTreeD(0), //! current tree with digits | |
128 | fTreeTR(0), //! current tree with TR | |
129 | fStack(0), //! current stack | |
130 | fGenInfo(0), //! array with pointers to gen info | |
131 | fNInfos(0), //! number of tracks with infos | |
132 | fParamTPC(0), //! AliTPCParam | |
133 | fTPCPtCut(0.1), | |
134 | fITSPtCut(0.1), | |
135 | fTRDPtCut(0.1), | |
136 | fTOFPtCut(0.1) | |
137 | { | |
138 | // | |
139 | // | |
140 | // | |
141 | fFirstEventNr = firstEvent; | |
142 | fEventNr = firstEvent; | |
143 | fNEvents = nEvents; | |
144 | sprintf(fFnRes,"%s",fnRes); | |
145 | // | |
146 | // | |
147 | // | |
148 | fLoader = AliRunLoader::Open(fnGalice); | |
149 | if (gAlice){ | |
150 | delete AliRunLoader::Instance(); | |
151 | delete gAlice; | |
152 | gAlice = 0x0; | |
153 | } | |
154 | if (fLoader->LoadgAlice()){ | |
155 | cerr<<"Error occured while l"<<endl; | |
156 | } | |
157 | Int_t nall = fLoader->GetNumberOfEvents(); | |
158 | if (nEvents==0) { | |
159 | nEvents =nall; | |
160 | fNEvents=nall; | |
161 | fFirstEventNr=0; | |
162 | } | |
163 | ||
164 | if (nall<=0){ | |
165 | cerr<<"no events available"<<endl; | |
166 | fEventNr = 0; | |
167 | return; | |
168 | } | |
169 | if (firstEvent+nEvents>nall) { | |
170 | fEventNr = nall-firstEvent; | |
171 | cerr<<"restricted number of events availaible"<<endl; | |
172 | } | |
173 | } | |
174 | ||
175 | ||
176 | ||
177 | ||
178 | //////////////////////////////////////////////////////////////////////// | |
179 | AliGenInfoMaker::~AliGenInfoMaker() | |
180 | { | |
181 | // | |
182 | // Destructor | |
183 | // | |
184 | ||
185 | if (fLoader){ | |
186 | fLoader->UnloadgAlice(); | |
187 | gAlice = 0; | |
188 | delete fLoader; | |
189 | } | |
190 | } | |
191 | ||
192 | ||
193 | AliMCInfo * AliGenInfoMaker::MakeInfo(UInt_t i) | |
194 | { | |
195 | // | |
196 | // Make info structure for given particle index | |
197 | // | |
198 | if (i<fNParticles) { | |
199 | if (fGenInfo[i]) return fGenInfo[i]; | |
200 | fGenInfo[i] = new AliMCInfo; | |
201 | fNInfos++; | |
202 | return fGenInfo[i]; | |
203 | } | |
204 | else | |
205 | return 0; | |
206 | } | |
207 | ||
208 | ||
209 | Int_t AliGenInfoMaker::ProcessEvent(AliMCEventHandler* mcinfo){ | |
210 | // | |
211 | // Process MC info from the task | |
212 | // | |
213 | if (!fParamTPC) { | |
214 | SetIO(); | |
215 | fParamTPC = GetTPCParam(); | |
216 | } | |
217 | fStack = mcinfo->MCEvent()->Stack(); | |
218 | fTreeTR = mcinfo->TreeTR(); | |
219 | fTreeD = 0; | |
220 | // array with preprocessedprocessed information | |
221 | fGenTracksArray = new TObjArray; | |
222 | fGenKinkArray = new TObjArray; | |
223 | fGenV0Array = new TObjArray; | |
224 | // | |
225 | ProcessEvent(); | |
226 | fEventNr++; | |
227 | return 0; | |
228 | } | |
229 | ||
230 | ||
231 | ||
232 | Int_t AliGenInfoMaker::ProcessEvent(){ | |
233 | // | |
234 | // Process Event | |
235 | // | |
236 | fNParticles = fStack->GetNtrack(); | |
237 | // | |
238 | fGenInfo = new AliMCInfo*[fNParticles]; | |
239 | for (UInt_t i = 0; i<fNParticles; i++) { | |
240 | fGenInfo[i]=0; | |
241 | } | |
242 | // | |
243 | cout<<"Start to process event "<<fEventNr<<endl; | |
244 | cout<<"\tfNParticles = "<<fNParticles<<endl; | |
245 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeTR"<<endl; | |
246 | if (TreeTRLoop()>0) return 1; | |
247 | // | |
248 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeD"<<endl; | |
249 | if (TreeDLoop()>0) return 1; | |
250 | // | |
251 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeK"<<endl; | |
252 | if (TreeKLoop()>0) return 1; | |
253 | if (fDebug>2) cout<<"\tEnd loop over TreeK"<<endl; | |
254 | // | |
255 | // if (BuildKinkInfo()>0) return 1; | |
256 | if (BuildV0Info()>0) return 1; | |
257 | if (fDebug>2) cout<<"\tEnd loop over TreeK"<<endl; | |
258 | // | |
259 | for (UInt_t i = 0; i<fNParticles; i++) { | |
260 | if (fGenInfo[i]) delete fGenInfo[i]; | |
261 | } | |
262 | delete []fGenInfo; | |
263 | return 0; | |
264 | } | |
265 | ||
266 | ||
267 | ||
268 | ||
269 | ||
270 | ||
271 | ||
272 | Int_t AliGenInfoMaker::SetIO() | |
273 | { | |
274 | // | |
275 | // Set IO for given event | |
276 | // | |
277 | CreateTreeGenTracks(); | |
278 | if (!fTreeGenTracks) return 1; | |
279 | ||
280 | fParamTPC = GetTPCParam(); | |
281 | // | |
282 | return 0; | |
283 | } | |
284 | ||
285 | //////////////////////////////////////////////////////////////////////// | |
286 | Int_t AliGenInfoMaker::SetIO(Int_t eventNr) | |
287 | { | |
288 | // | |
289 | // | |
290 | // SET INPUT | |
291 | fLoader->SetEventNumber(eventNr); | |
292 | // | |
293 | fLoader->LoadHeader(); | |
294 | fLoader->LoadKinematics(); | |
295 | fStack = fLoader->Stack(); | |
296 | // | |
297 | fLoader->LoadTrackRefs(); | |
298 | fLoader->LoadHits(); | |
299 | fTreeTR = fLoader->TreeTR(); | |
300 | // | |
301 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
302 | tpcl->LoadDigits(); | |
303 | fTreeD = tpcl->TreeD(); | |
304 | return 0; | |
305 | } | |
306 | ||
307 | Int_t AliGenInfoMaker::CloseIOEvent() | |
308 | { | |
309 | // | |
310 | // Close IO for current event | |
311 | // | |
312 | fLoader->UnloadHeader(); | |
313 | fLoader->UnloadKinematics(); | |
314 | fLoader->UnloadTrackRefs(); | |
315 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
316 | tpcl->UnloadDigits(); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | Int_t AliGenInfoMaker::CloseIO() | |
321 | { | |
322 | fLoader->UnloadgAlice(); | |
323 | return 0; | |
324 | } | |
325 | ||
326 | ||
327 | ||
328 | //////////////////////////////////////////////////////////////////////// | |
329 | Int_t AliGenInfoMaker::Exec() | |
330 | { | |
331 | // | |
332 | // Make a comparision MC tree | |
333 | // Connect MC information -TPArticle - AliTrackRefernces ... | |
334 | // | |
335 | TStopwatch timer; | |
336 | timer.Start(); | |
337 | Int_t status =SetIO(); | |
338 | if (status>0) return status; | |
339 | // | |
340 | for (fEventNr = fFirstEventNr; fEventNr < fFirstEventNr+fNEvents; | |
341 | fEventNr++) { | |
342 | SetIO(fEventNr); | |
343 | ProcessEvent(); | |
344 | CloseIOEvent(); | |
345 | } | |
346 | // | |
347 | CloseIO(); | |
348 | CloseOutputFile(); | |
349 | cerr<<"Exec finished"<<endl; | |
350 | timer.Stop(); | |
351 | timer.Print(); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | ||
356 | ||
357 | ||
358 | ||
359 | ||
360 | //////////////////////////////////////////////////////////////////////// | |
361 | void AliGenInfoMaker::CreateTreeGenTracks() | |
362 | { | |
363 | // | |
364 | // | |
365 | // | |
366 | fFileGenTracks = TFile::Open(fFnRes,"RECREATE"); | |
367 | if (!fFileGenTracks) { | |
368 | cerr<<"Error in CreateTreeGenTracks: cannot open file "<<fFnRes<<endl; | |
369 | return; | |
370 | } | |
371 | fTreeGenTracks = new TTree("genTracksTree","genTracksTree"); | |
372 | AliMCInfo * info = new AliMCInfo; | |
373 | fTreeGenTracks->Branch("MC","AliMCInfo",&info); | |
374 | delete info; | |
375 | // | |
376 | AliGenKinkInfo *kinkinfo = new AliGenKinkInfo; | |
377 | fTreeKinks = new TTree("genKinksTree","genKinksTree"); | |
378 | fTreeKinks->Branch("MC","AliGenKinkInfo",&kinkinfo); | |
379 | delete kinkinfo; | |
380 | // | |
381 | AliGenV0Info *v0info = new AliGenV0Info; | |
382 | fTreeV0 = new TTree("genV0Tree","genV0Tree"); | |
383 | fTreeV0->Branch("MC","AliGenV0Info",&v0info); | |
384 | delete v0info; | |
385 | // | |
386 | // | |
387 | // | |
388 | fTreeGenTracks->AutoSave(); | |
389 | fTreeKinks->AutoSave(); | |
390 | fTreeV0->AutoSave(); | |
391 | } | |
392 | ||
393 | ||
394 | ||
395 | //////////////////////////////////////////////////////////////////////// | |
396 | void AliGenInfoMaker::CloseOutputFile() | |
397 | { | |
398 | // | |
399 | // Close Output files | |
400 | // | |
401 | if (!fFileGenTracks) { | |
402 | cerr<<"File "<<fFnRes<<" not found as an open file."<<endl; | |
403 | return; | |
404 | } | |
405 | fFileGenTracks->cd(); | |
406 | fTreeGenTracks->Write(); | |
407 | delete fTreeGenTracks; | |
408 | fTreeKinks->Write(); | |
409 | delete fTreeKinks; | |
410 | fTreeV0->Write(); | |
411 | delete fTreeV0; | |
412 | ||
413 | fFileGenTracks->Close(); | |
414 | delete fFileGenTracks; | |
415 | return; | |
416 | } | |
417 | ||
418 | //////////////////////////////////////////////////////////////////////// | |
419 | Int_t AliGenInfoMaker::TreeKLoop() | |
420 | { | |
421 | // | |
422 | // open the file with treeK | |
423 | // loop over all entries there and save information about some tracks | |
424 | // | |
425 | ||
426 | AliStack * stack = fStack; | |
427 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
428 | ||
429 | if (fDebug > 0) { | |
430 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
431 | <<fEventNr<<endl; | |
432 | } | |
433 | Int_t ipdg = 0; | |
434 | TParticlePDG *ppdg = 0; | |
435 | // not all generators give primary vertex position. Take the vertex | |
436 | // of the particle 0 as primary vertex. | |
437 | TDatabasePDG pdg; //get pdg table | |
438 | ||
439 | TParticle *particle = stack->ParticleFromTreeK(0); | |
440 | fVPrim[0] = particle->Vx(); | |
441 | fVPrim[1] = particle->Vy(); | |
442 | fVPrim[2] = particle->Vz(); | |
443 | Int_t accepted =0; | |
444 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
445 | // load only particles with TR | |
446 | AliMCInfo * info = GetInfo(iParticle); | |
447 | if (!info) continue; | |
448 | ////////////////////////////////////////////////////////////////////// | |
449 | info->fLabel = iParticle; | |
450 | // | |
451 | info->fParticle = *(stack->Particle(iParticle)); | |
452 | info->fVDist[0] = info->fParticle.Vx()-fVPrim[0]; | |
453 | info->fVDist[1] = info->fParticle.Vy()-fVPrim[1]; | |
454 | info->fVDist[2] = info->fParticle.Vz()-fVPrim[2]; | |
455 | info->fVDist[3] = TMath::Sqrt(info->fVDist[0]*info->fVDist[0]+ | |
456 | info->fVDist[1]*info->fVDist[1]+info->fVDist[2]*info->fVDist[2]); | |
457 | // | |
458 | // | |
459 | ipdg = info->fParticle.GetPdgCode(); | |
460 | info->fPdg = ipdg; | |
461 | ppdg = pdg.GetParticle(ipdg); | |
462 | info->fEventNr = fEventNr; | |
463 | info->Update(); | |
464 | if (fGenTracksArray){ | |
465 | fGenTracksArray->AddLast(info->Clone()); | |
466 | } | |
467 | accepted++; | |
468 | } | |
469 | // | |
470 | // write the results to the tree - if specified | |
471 | // | |
472 | TBranch * br = fTreeGenTracks->GetBranch("MC"); | |
473 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
474 | // load only particles with TR | |
475 | AliMCInfo * info = GetInfo(iParticle); | |
476 | if (!info) continue; | |
477 | ////////////////////////////////////////////////////////////////////// | |
478 | br->SetAddress(&info); | |
479 | fTreeGenTracks->Fill(); | |
480 | } | |
481 | fTreeGenTracks->AutoSave(); | |
482 | // | |
483 | // | |
484 | if (fDebug > 2) cerr<<"end of TreeKLoop"<<endl; | |
485 | return 0; | |
486 | } | |
487 | ||
488 | ||
489 | //////////////////////////////////////////////////////////////////////////////////// | |
490 | Int_t AliGenInfoMaker::BuildKinkInfo() | |
491 | { | |
492 | // | |
493 | // Build tree with Kink Information | |
494 | // | |
495 | AliStack * stack = fStack; | |
496 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
497 | ||
498 | if (fDebug > 0) { | |
499 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
500 | <<fEventNr<<endl; | |
501 | } | |
502 | // Int_t ipdg = 0; | |
503 | //TParticlePDG *ppdg = 0; | |
504 | // not all generators give primary vertex position. Take the vertex | |
505 | // of the particle 0 as primary vertex. | |
506 | TDatabasePDG pdg; //get pdg table | |
507 | //thank you very much root for this | |
508 | TBranch * br = fTreeKinks->GetBranch("MC"); | |
509 | // | |
510 | AliGenKinkInfo * kinkinfo = new AliGenKinkInfo; | |
511 | // | |
512 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
513 | // load only particles with TR | |
514 | AliMCInfo * info = GetInfo(iParticle); | |
515 | if (!info) continue; | |
516 | if (info->fCharge==0) continue; | |
517 | if (info->fTRdecay.R()>500) continue; //R cut - decay outside barrel | |
518 | TParticle & particle = info->fParticle; | |
519 | Int_t first = particle.GetDaughter(0); | |
520 | if (first ==0) continue; | |
521 | ||
522 | Int_t last = particle.GetDaughter(1); | |
523 | if (last ==0) last=first; | |
524 | AliMCInfo * info2 = 0; | |
525 | AliMCInfo * dinfo = 0; | |
526 | ||
527 | for (Int_t id2=first;id2<=last;id2++){ | |
528 | info2 = GetInfo(id2); | |
529 | if (!info2) continue; | |
530 | TParticle &p2 = info2->fParticle; | |
531 | Double_t r = TMath::Sqrt(p2.Vx()*p2.Vx()+p2.Vy()*p2.Vy()); | |
532 | if ( TMath::Abs(info->fTRdecay.R()-r)>0.01) continue; | |
533 | if (!(p2.GetPDG())) continue; | |
534 | dinfo =info2; | |
535 | ||
536 | kinkinfo->SetInfoMother(*info); | |
537 | kinkinfo->SetInfoDaughter(*dinfo); | |
538 | if (kinkinfo->GetMinus().GetParticle().GetPDG()==0 || kinkinfo->GetPlus().GetParticle().GetPDG()==0) continue; | |
539 | kinkinfo->Update(); | |
540 | br->SetAddress(&kinkinfo); | |
541 | fTreeKinks->Fill(); | |
542 | } | |
543 | } | |
544 | fTreeKinks->AutoSave(); | |
545 | if (fDebug > 2) cerr<<"end of Kink Loop"<<endl; | |
546 | return 0; | |
547 | } | |
548 | ||
549 | ||
550 | //////////////////////////////////////////////////////////////////////////////////// | |
551 | Int_t AliGenInfoMaker::BuildV0Info() | |
552 | { | |
553 | // | |
554 | // Build tree with V0 Information | |
555 | // | |
556 | AliStack * stack = fStack; | |
557 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
558 | ||
559 | if (fDebug > 0) { | |
560 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
561 | <<fEventNr<<endl; | |
562 | } | |
563 | // | |
564 | TDatabasePDG pdg; //get pdg table | |
565 | //thank you very much root for this | |
566 | TBranch * br = fTreeV0->GetBranch("MC"); | |
567 | // | |
568 | AliGenV0Info * v0info = new AliGenV0Info; | |
569 | // | |
570 | // | |
571 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
572 | TParticle * mParticle = fStack->Particle(iParticle); | |
573 | if (!mParticle) continue; | |
574 | if (mParticle->GetPDG()==0) continue; | |
575 | if (mParticle->GetPDG()->Charge()!=0) continue; //only neutral particle | |
576 | // | |
577 | Int_t first = mParticle->GetDaughter(0); | |
578 | Int_t last = mParticle->GetDaughter(1); | |
579 | if (first-last==0) continue; | |
580 | // | |
581 | AliMCInfo * info0 = GetInfo(first); | |
582 | AliMCInfo * info1 = GetInfo(first+1); | |
583 | if (info0 && info1){ | |
584 | if (info0->GetPdg()==0) continue; | |
585 | if (info1->GetPdg()==0) continue; | |
586 | v0info->SetInfoP(*info0); | |
587 | v0info->SetInfoM(*info1); | |
588 | v0info->SetMother(*mParticle); | |
589 | v0info->Update(fVPrim); | |
590 | if (fGenV0Array) fGenV0Array->AddLast(v0info); | |
591 | br->SetAddress(&v0info); | |
592 | fTreeV0->Fill(); | |
593 | } | |
594 | } | |
595 | fTreeV0->AutoSave(); | |
596 | if (fDebug > 2) cerr<<"end of V0 Loop"<<endl; | |
597 | return 0; | |
598 | } | |
599 | ||
600 | ||
601 | ||
602 | ||
603 | ||
604 | //////////////////////////////////////////////////////////////////////// | |
605 | Int_t AliGenInfoMaker::TreeDLoop() | |
606 | { | |
607 | // | |
608 | // open the file with treeD | |
609 | // loop over all entries there and save information about some tracks | |
610 | // | |
611 | if (!fTreeD) return 0; | |
612 | Int_t nInnerSector = fParamTPC->GetNInnerSector(); | |
613 | Int_t rowShift = 0; | |
614 | Int_t zero=fParamTPC->GetZeroSup()+6; | |
615 | // | |
616 | // | |
617 | AliSimDigits digitsAddress, *digits=&digitsAddress; | |
618 | fTreeD->GetBranch("Segment")->SetAddress(&digits); | |
619 | ||
620 | Int_t sectorsByRows=(Int_t)fTreeD->GetEntries(); | |
621 | if (fDebug > 1) cout<<"\tsectorsByRows = "<<sectorsByRows<<endl; | |
622 | for (Int_t i=0; i<sectorsByRows; i++) { | |
623 | if (!fTreeD->GetEvent(i)) continue; | |
624 | Int_t sec,row; | |
625 | fParamTPC->AdjustSectorRow(digits->GetID(),sec,row); | |
626 | if (fDebug > 1) cout<<sec<<' '<<row<<" \r"; | |
627 | // here I expect that upper sectors follow lower sectors | |
628 | if (sec > nInnerSector) rowShift = fParamTPC->GetNRowLow(); | |
629 | // | |
630 | digits->ExpandTrackBuffer(); | |
631 | digits->First(); | |
632 | do { | |
633 | Int_t iRow=digits->CurrentRow(); | |
634 | Int_t iColumn=digits->CurrentColumn(); | |
635 | Short_t digitValue = digits->CurrentDigit(); | |
636 | if (digitValue >= zero) { | |
637 | Int_t label; | |
638 | for (Int_t j = 0; j<3; j++) { | |
639 | // label = digits->GetTrackID(iRow,iColumn,j); | |
640 | label = digits->GetTrackIDFast(iRow,iColumn,j)-2; | |
641 | if (label >= (Int_t)fNParticles) { //don't label from bakground event | |
642 | continue; | |
643 | } | |
644 | if (label >= 0 && label <= (Int_t)fNParticles) { | |
645 | if (fDebug > 6 ) { | |
646 | cout<<"Inner loop: sector, iRow, iColumn, label, value, row " | |
647 | <<sec<<" " | |
648 | <<iRow<<" "<<iColumn<<" "<<label<<" "<<digitValue | |
649 | <<" "<<row<<endl; | |
650 | } | |
651 | AliMCInfo * info = GetInfo(label); | |
652 | if (info){ | |
653 | info->fTPCRow.SetRow(row+rowShift); | |
654 | } | |
655 | } | |
656 | } | |
657 | } | |
658 | } while (digits->Next()); | |
659 | } | |
660 | ||
661 | if (fDebug > 2) cerr<<"end of TreeDLoop"<<endl; | |
662 | return 0; | |
663 | } | |
664 | ||
665 | ||
666 | ||
667 | ||
668 | //////////////////////////////////////////////////////////////////////// | |
669 | Int_t AliGenInfoMaker::TreeTRLoop() | |
670 | { | |
671 | // | |
672 | // loop over TrackReferences and store the first one for each track | |
673 | // | |
674 | TTree * treeTR = fTreeTR; | |
675 | Int_t nPrimaries = (Int_t) treeTR->GetEntries(); | |
676 | if (fDebug > 1) cout<<"There are "<<nPrimaries<<" entries in TreeTR"<<endl; | |
677 | // | |
678 | // | |
679 | // | |
680 | TClonesArray* runArrayTR = new TClonesArray("AliTrackReference"); | |
681 | // | |
682 | if (treeTR->GetBranch("TrackReferences")) treeTR->GetBranch("TrackReferences")->SetAddress(&runArrayTR); | |
683 | // | |
684 | // | |
685 | // | |
686 | for (Int_t ipart = 0; ipart<fStack->GetNtrack(); ipart++) { | |
687 | TParticle * part = fStack->Particle(ipart); | |
688 | if (!part) continue; | |
689 | if (part->GetPDG()==0) continue; | |
690 | if (part->GetPDG()->Charge()==0) continue; | |
691 | ||
692 | if (part->Pt()<fITSPtCut) continue; | |
693 | if (part->R()>250.) continue; | |
694 | if (TMath::Abs(part->Vz())>250.) continue; | |
695 | if (TMath::Abs(part->Pz()/part->Pt())>2.5) continue; | |
696 | //AliMCInfo * info = ; | |
697 | MakeInfo(ipart); | |
698 | } | |
699 | // | |
700 | // | |
701 | ||
702 | for (Int_t iPrimPart = 0; iPrimPart<nPrimaries; iPrimPart++) { | |
703 | treeTR->GetEntry(iPrimPart); | |
704 | // | |
705 | // gettrack references | |
706 | // | |
707 | for (Int_t iTrackRef = 0; iTrackRef < runArrayTR->GetEntriesFast(); iTrackRef++) { | |
708 | AliTrackReference *trackRef = (AliTrackReference*)runArrayTR->At(iTrackRef); | |
709 | // | |
710 | Int_t label = trackRef->GetTrack(); | |
711 | AliMCInfo * cinfo = GetInfo(label); | |
712 | if (cinfo) cinfo->CalcTPCrows(runArrayTR); | |
713 | // | |
714 | // TPC | |
715 | // | |
716 | if (trackRef->DetectorId()== AliTrackReference::kTPC){ | |
717 | // | |
718 | Int_t label1 = trackRef->GetTrack(); | |
719 | AliMCInfo * info = GetInfo(label1); | |
720 | if (!info && trackRef->Pt()<fTPCPtCut) continue; | |
721 | if (!info) { | |
722 | info = MakeInfo(label1); | |
723 | } | |
724 | if (!info) continue; | |
725 | info->fPrimPart = iPrimPart; | |
726 | TClonesArray & arr = *(info->fTPCReferences); | |
727 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
728 | } | |
729 | // | |
730 | // ITS | |
731 | // | |
732 | if (trackRef->DetectorId()== AliTrackReference::kITS){ | |
733 | // | |
734 | Int_t label1 = trackRef->GetTrack(); | |
735 | AliMCInfo * info = GetInfo(label1); | |
736 | if (!info && trackRef->Pt()<fITSPtCut) continue; | |
737 | if (!info) info = MakeInfo(label1); | |
738 | if (!info) continue; | |
739 | info->fPrimPart = iPrimPart; | |
740 | TClonesArray & arr = *(info->fITSReferences); | |
741 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
742 | } | |
743 | // | |
744 | // TRD | |
745 | // | |
746 | if (trackRef->DetectorId()== AliTrackReference::kTRD){ | |
747 | // | |
748 | Int_t label1 = trackRef->GetTrack(); | |
749 | AliMCInfo * info = GetInfo(label1); | |
750 | if (!info&&trackRef->P()<fTRDPtCut) continue; | |
751 | if (!info) info = MakeInfo(label1); | |
752 | if (!info) continue; | |
753 | info->fPrimPart = iPrimPart; | |
754 | TClonesArray & arr = *(info->fTRDReferences); | |
755 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
756 | } | |
757 | // | |
758 | // TOF | |
759 | // | |
760 | if (trackRef->DetectorId()== AliTrackReference::kTOF){ | |
761 | // | |
762 | Int_t label1 = trackRef->GetTrack(); | |
763 | AliMCInfo * info = GetInfo(label1); | |
764 | if (!info&&trackRef->P()<fTOFPtCut) continue; | |
765 | if (!info) info = MakeInfo(label1); | |
766 | if (!info) continue; | |
767 | info->fPrimPart = iPrimPart; | |
768 | TClonesArray & arr = *(info->fTOFReferences); | |
769 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
770 | } | |
771 | // | |
772 | // decay case | |
773 | // | |
774 | if (trackRef->DetectorId()== AliTrackReference::kDisappeared){ | |
775 | // | |
776 | AliMCInfo * info = GetInfo(label); | |
777 | if (!info) continue; | |
778 | info->fTRdecay = *trackRef; | |
779 | } | |
780 | } | |
781 | } | |
782 | // | |
783 | // | |
784 | return 0; | |
785 | } | |
786 | ||
787 | //////////////////////////////////////////////////////////////////////// | |
788 | Float_t AliGenInfoMaker::TR2LocalX(AliTrackReference *trackRef, | |
789 | AliTPCParam *paramTPC) const { | |
790 | ||
791 | // | |
792 | // Transformation from Gloabal to local tacking system | |
793 | // | |
794 | Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()}; | |
795 | Int_t index[4]; | |
796 | paramTPC->Transform0to1(x,index); | |
797 | paramTPC->Transform1to2(x,index); | |
798 | return x[0]; | |
799 | } | |
800 | //////////////////////////////////////////////////////////////////////// | |
801 | ||
802 | ||
803 | ||
804 | AliTPCParam * AliGenInfoMaker::GetTPCParam(){ | |
805 | // | |
806 | // create default TPC parameters | |
807 | // | |
808 | AliTPCParamSR * par = new AliTPCParamSR; | |
809 | par->Update(); | |
810 | return par; | |
811 | } | |
812 | ||
813 |