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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") | |
2bfe5463 | 29 | gSystem->Load("libPWGPP.so") |
7cc34f08 | 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 | ||
c64cb1f6 | 69 | using std::cout; |
70 | using std::cerr; | |
71 | using std::endl; | |
72 | ||
7cc34f08 | 73 | ClassImp(AliGenInfoMaker) |
74 | ||
75 | ||
76 | ||
77 | ||
78 | ||
79 | ||
80 | ||
81 | //////////////////////////////////////////////////////////////////////// | |
82 | AliGenInfoMaker::AliGenInfoMaker(): | |
83 | fGenTracksArray(0), //clones array with filtered particles | |
84 | fGenKinkArray(0), //clones array with filtered Kinks | |
85 | fGenV0Array(0), //clones array with filtered V0s | |
86 | fDebug(0), //! debug flag | |
87 | fEventNr(0), //! current event number | |
88 | fLabel(0), //! track label | |
89 | fNEvents(0), //! number of events to process | |
90 | fFirstEventNr(0), //! first event to process | |
91 | fNParticles(0), //! number of particles in TreeK | |
92 | fTreeGenTracks(0), //! output tree with generated tracks | |
93 | fTreeKinks(0), //! output tree with Kinks | |
94 | fTreeV0(0), //! output tree with V0 | |
95 | fFileGenTracks(0), //! output file with stored fTreeGenTracks | |
96 | fLoader(0), //! pointer to the run loader | |
97 | fTreeD(0), //! current tree with digits | |
98 | fTreeTR(0), //! current tree with TR | |
99 | fStack(0), //! current stack | |
100 | fGenInfo(0), //! array with pointers to gen info | |
101 | fNInfos(0), //! number of tracks with infos | |
102 | fParamTPC(0), //! AliTPCParam | |
103 | fTPCPtCut(0.1), // TPC pt cut | |
104 | fITSPtCut(0.1), // ITS pt cut | |
105 | fTRDPtCut(0.1), // TRD pt cut | |
106 | fTOFPtCut(0.1) // TOF pt cut | |
107 | { | |
4a9220d4 | 108 | snprintf(fFnRes,1000,"%s","genTracks.root"); |
109 | for(Int_t i=0; i<3; i++) { fVPrim[i] = 0; }; | |
7cc34f08 | 110 | } |
111 | ||
112 | ||
113 | ||
114 | ||
115 | //////////////////////////////////////////////////////////////////////// | |
116 | AliGenInfoMaker::AliGenInfoMaker(const char * fnGalice, const char* fnRes, | |
117 | Int_t nEvents, Int_t firstEvent): | |
118 | fGenTracksArray(0), //clones array with filtered particles | |
119 | fGenKinkArray(0), //clones array with filtered Kinks | |
120 | fGenV0Array(0), //clones array with filtered V0s | |
121 | fDebug(0), //! debug flag | |
122 | fEventNr(0), //! current event number | |
123 | fLabel(0), //! track label | |
124 | fNEvents(0), //! number of events to process | |
125 | fFirstEventNr(0), //! first event to process | |
126 | fNParticles(0), //! number of particles in TreeK | |
127 | fTreeGenTracks(0), //! output tree with generated tracks | |
128 | fTreeKinks(0), //! output tree with Kinks | |
129 | fTreeV0(0), //! output tree with V0 | |
130 | fFileGenTracks(0), //! output file with stored fTreeGenTracks | |
131 | fLoader(0), //! pointer to the run loader | |
132 | fTreeD(0), //! current tree with digits | |
133 | fTreeTR(0), //! current tree with TR | |
134 | fStack(0), //! current stack | |
135 | fGenInfo(0), //! array with pointers to gen info | |
136 | fNInfos(0), //! number of tracks with infos | |
137 | fParamTPC(0), //! AliTPCParam | |
138 | fTPCPtCut(0.1), | |
139 | fITSPtCut(0.1), | |
140 | fTRDPtCut(0.1), | |
141 | fTOFPtCut(0.1) | |
142 | { | |
143 | // | |
144 | // | |
145 | // | |
4a9220d4 | 146 | for(Int_t i=0; i<3; i++) { fVPrim[i] = 0; }; |
7cc34f08 | 147 | fFirstEventNr = firstEvent; |
148 | fEventNr = firstEvent; | |
149 | fNEvents = nEvents; | |
4a9220d4 | 150 | snprintf(fFnRes,1000,"%s",fnRes); |
7cc34f08 | 151 | // |
152 | // | |
153 | // | |
154 | fLoader = AliRunLoader::Open(fnGalice); | |
155 | if (gAlice){ | |
156 | delete AliRunLoader::Instance(); | |
157 | delete gAlice; | |
158 | gAlice = 0x0; | |
159 | } | |
160 | if (fLoader->LoadgAlice()){ | |
161 | cerr<<"Error occured while l"<<endl; | |
162 | } | |
163 | Int_t nall = fLoader->GetNumberOfEvents(); | |
164 | if (nEvents==0) { | |
165 | nEvents =nall; | |
166 | fNEvents=nall; | |
167 | fFirstEventNr=0; | |
168 | } | |
169 | ||
170 | if (nall<=0){ | |
171 | cerr<<"no events available"<<endl; | |
172 | fEventNr = 0; | |
173 | return; | |
174 | } | |
175 | if (firstEvent+nEvents>nall) { | |
176 | fEventNr = nall-firstEvent; | |
177 | cerr<<"restricted number of events availaible"<<endl; | |
178 | } | |
179 | } | |
180 | ||
181 | ||
182 | ||
183 | ||
184 | //////////////////////////////////////////////////////////////////////// | |
185 | AliGenInfoMaker::~AliGenInfoMaker() | |
186 | { | |
187 | // | |
188 | // Destructor | |
189 | // | |
190 | ||
191 | if (fLoader){ | |
192 | fLoader->UnloadgAlice(); | |
193 | gAlice = 0; | |
194 | delete fLoader; | |
195 | } | |
196 | } | |
197 | ||
198 | ||
199 | AliMCInfo * AliGenInfoMaker::MakeInfo(UInt_t i) | |
200 | { | |
201 | // | |
202 | // Make info structure for given particle index | |
203 | // | |
204 | if (i<fNParticles) { | |
205 | if (fGenInfo[i]) return fGenInfo[i]; | |
206 | fGenInfo[i] = new AliMCInfo; | |
207 | fNInfos++; | |
208 | return fGenInfo[i]; | |
209 | } | |
210 | else | |
211 | return 0; | |
212 | } | |
213 | ||
214 | ||
215 | Int_t AliGenInfoMaker::ProcessEvent(AliMCEventHandler* mcinfo){ | |
216 | // | |
217 | // Process MC info from the task | |
218 | // | |
219 | if (!fParamTPC) { | |
220 | SetIO(); | |
221 | fParamTPC = GetTPCParam(); | |
222 | } | |
223 | fStack = mcinfo->MCEvent()->Stack(); | |
224 | fTreeTR = mcinfo->TreeTR(); | |
225 | fTreeD = 0; | |
226 | // array with preprocessedprocessed information | |
227 | fGenTracksArray = new TObjArray; | |
228 | fGenKinkArray = new TObjArray; | |
229 | fGenV0Array = new TObjArray; | |
230 | // | |
231 | ProcessEvent(); | |
232 | fEventNr++; | |
233 | return 0; | |
234 | } | |
235 | ||
236 | ||
237 | ||
238 | Int_t AliGenInfoMaker::ProcessEvent(){ | |
239 | // | |
240 | // Process Event | |
241 | // | |
242 | fNParticles = fStack->GetNtrack(); | |
243 | // | |
244 | fGenInfo = new AliMCInfo*[fNParticles]; | |
245 | for (UInt_t i = 0; i<fNParticles; i++) { | |
246 | fGenInfo[i]=0; | |
247 | } | |
248 | // | |
249 | cout<<"Start to process event "<<fEventNr<<endl; | |
250 | cout<<"\tfNParticles = "<<fNParticles<<endl; | |
251 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeTR"<<endl; | |
252 | if (TreeTRLoop()>0) return 1; | |
253 | // | |
254 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeD"<<endl; | |
255 | if (TreeDLoop()>0) return 1; | |
256 | // | |
257 | if (fDebug>2) cout<<"\n\n\n\tStart loop over TreeK"<<endl; | |
258 | if (TreeKLoop()>0) return 1; | |
259 | if (fDebug>2) cout<<"\tEnd loop over TreeK"<<endl; | |
260 | // | |
261 | // if (BuildKinkInfo()>0) return 1; | |
262 | if (BuildV0Info()>0) return 1; | |
263 | if (fDebug>2) cout<<"\tEnd loop over TreeK"<<endl; | |
264 | // | |
265 | for (UInt_t i = 0; i<fNParticles; i++) { | |
266 | if (fGenInfo[i]) delete fGenInfo[i]; | |
267 | } | |
268 | delete []fGenInfo; | |
269 | return 0; | |
270 | } | |
271 | ||
272 | ||
273 | ||
274 | ||
275 | ||
276 | ||
277 | ||
278 | Int_t AliGenInfoMaker::SetIO() | |
279 | { | |
280 | // | |
281 | // Set IO for given event | |
282 | // | |
283 | CreateTreeGenTracks(); | |
284 | if (!fTreeGenTracks) return 1; | |
285 | ||
286 | fParamTPC = GetTPCParam(); | |
287 | // | |
288 | return 0; | |
289 | } | |
290 | ||
291 | //////////////////////////////////////////////////////////////////////// | |
292 | Int_t AliGenInfoMaker::SetIO(Int_t eventNr) | |
293 | { | |
294 | // | |
295 | // | |
296 | // SET INPUT | |
297 | fLoader->SetEventNumber(eventNr); | |
298 | // | |
299 | fLoader->LoadHeader(); | |
300 | fLoader->LoadKinematics(); | |
301 | fStack = fLoader->Stack(); | |
302 | // | |
303 | fLoader->LoadTrackRefs(); | |
304 | fLoader->LoadHits(); | |
305 | fTreeTR = fLoader->TreeTR(); | |
306 | // | |
307 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
308 | tpcl->LoadDigits(); | |
309 | fTreeD = tpcl->TreeD(); | |
310 | return 0; | |
311 | } | |
312 | ||
313 | Int_t AliGenInfoMaker::CloseIOEvent() | |
314 | { | |
315 | // | |
316 | // Close IO for current event | |
317 | // | |
318 | fLoader->UnloadHeader(); | |
319 | fLoader->UnloadKinematics(); | |
320 | fLoader->UnloadTrackRefs(); | |
321 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
322 | tpcl->UnloadDigits(); | |
323 | return 0; | |
324 | } | |
325 | ||
326 | Int_t AliGenInfoMaker::CloseIO() | |
327 | { | |
328 | fLoader->UnloadgAlice(); | |
329 | return 0; | |
330 | } | |
331 | ||
332 | ||
333 | ||
334 | //////////////////////////////////////////////////////////////////////// | |
335 | Int_t AliGenInfoMaker::Exec() | |
336 | { | |
337 | // | |
338 | // Make a comparision MC tree | |
339 | // Connect MC information -TPArticle - AliTrackRefernces ... | |
340 | // | |
341 | TStopwatch timer; | |
342 | timer.Start(); | |
343 | Int_t status =SetIO(); | |
344 | if (status>0) return status; | |
345 | // | |
346 | for (fEventNr = fFirstEventNr; fEventNr < fFirstEventNr+fNEvents; | |
347 | fEventNr++) { | |
348 | SetIO(fEventNr); | |
349 | ProcessEvent(); | |
350 | CloseIOEvent(); | |
351 | } | |
352 | // | |
353 | CloseIO(); | |
354 | CloseOutputFile(); | |
355 | cerr<<"Exec finished"<<endl; | |
356 | timer.Stop(); | |
357 | timer.Print(); | |
358 | return 0; | |
359 | } | |
360 | ||
361 | ||
362 | ||
363 | ||
364 | ||
365 | ||
366 | //////////////////////////////////////////////////////////////////////// | |
367 | void AliGenInfoMaker::CreateTreeGenTracks() | |
368 | { | |
369 | // | |
370 | // | |
371 | // | |
372 | fFileGenTracks = TFile::Open(fFnRes,"RECREATE"); | |
373 | if (!fFileGenTracks) { | |
374 | cerr<<"Error in CreateTreeGenTracks: cannot open file "<<fFnRes<<endl; | |
375 | return; | |
376 | } | |
377 | fTreeGenTracks = new TTree("genTracksTree","genTracksTree"); | |
378 | AliMCInfo * info = new AliMCInfo; | |
379 | fTreeGenTracks->Branch("MC","AliMCInfo",&info); | |
380 | delete info; | |
381 | // | |
382 | AliGenKinkInfo *kinkinfo = new AliGenKinkInfo; | |
383 | fTreeKinks = new TTree("genKinksTree","genKinksTree"); | |
384 | fTreeKinks->Branch("MC","AliGenKinkInfo",&kinkinfo); | |
385 | delete kinkinfo; | |
386 | // | |
387 | AliGenV0Info *v0info = new AliGenV0Info; | |
388 | fTreeV0 = new TTree("genV0Tree","genV0Tree"); | |
389 | fTreeV0->Branch("MC","AliGenV0Info",&v0info); | |
390 | delete v0info; | |
391 | // | |
392 | // | |
393 | // | |
394 | fTreeGenTracks->AutoSave(); | |
395 | fTreeKinks->AutoSave(); | |
396 | fTreeV0->AutoSave(); | |
397 | } | |
398 | ||
399 | ||
400 | ||
401 | //////////////////////////////////////////////////////////////////////// | |
402 | void AliGenInfoMaker::CloseOutputFile() | |
403 | { | |
404 | // | |
405 | // Close Output files | |
406 | // | |
407 | if (!fFileGenTracks) { | |
408 | cerr<<"File "<<fFnRes<<" not found as an open file."<<endl; | |
409 | return; | |
410 | } | |
411 | fFileGenTracks->cd(); | |
412 | fTreeGenTracks->Write(); | |
413 | delete fTreeGenTracks; | |
414 | fTreeKinks->Write(); | |
415 | delete fTreeKinks; | |
416 | fTreeV0->Write(); | |
417 | delete fTreeV0; | |
418 | ||
419 | fFileGenTracks->Close(); | |
420 | delete fFileGenTracks; | |
421 | return; | |
422 | } | |
423 | ||
424 | //////////////////////////////////////////////////////////////////////// | |
425 | Int_t AliGenInfoMaker::TreeKLoop() | |
426 | { | |
427 | // | |
428 | // open the file with treeK | |
429 | // loop over all entries there and save information about some tracks | |
430 | // | |
431 | ||
432 | AliStack * stack = fStack; | |
433 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
434 | ||
435 | if (fDebug > 0) { | |
436 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
437 | <<fEventNr<<endl; | |
438 | } | |
439 | Int_t ipdg = 0; | |
4a9220d4 | 440 | //TParticlePDG *ppdg = 0; |
7cc34f08 | 441 | // not all generators give primary vertex position. Take the vertex |
442 | // of the particle 0 as primary vertex. | |
443 | TDatabasePDG pdg; //get pdg table | |
444 | ||
445 | TParticle *particle = stack->ParticleFromTreeK(0); | |
446 | fVPrim[0] = particle->Vx(); | |
447 | fVPrim[1] = particle->Vy(); | |
448 | fVPrim[2] = particle->Vz(); | |
449 | Int_t accepted =0; | |
450 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
451 | // load only particles with TR | |
452 | AliMCInfo * info = GetInfo(iParticle); | |
453 | if (!info) continue; | |
454 | ////////////////////////////////////////////////////////////////////// | |
455 | info->fLabel = iParticle; | |
456 | // | |
457 | info->fParticle = *(stack->Particle(iParticle)); | |
458 | info->fVDist[0] = info->fParticle.Vx()-fVPrim[0]; | |
459 | info->fVDist[1] = info->fParticle.Vy()-fVPrim[1]; | |
460 | info->fVDist[2] = info->fParticle.Vz()-fVPrim[2]; | |
461 | info->fVDist[3] = TMath::Sqrt(info->fVDist[0]*info->fVDist[0]+ | |
462 | info->fVDist[1]*info->fVDist[1]+info->fVDist[2]*info->fVDist[2]); | |
463 | // | |
464 | // | |
465 | ipdg = info->fParticle.GetPdgCode(); | |
466 | info->fPdg = ipdg; | |
4a9220d4 | 467 | //ppdg = pdg.GetParticle(ipdg); |
7cc34f08 | 468 | info->fEventNr = fEventNr; |
469 | info->Update(); | |
470 | if (fGenTracksArray){ | |
471 | fGenTracksArray->AddLast(info->Clone()); | |
472 | } | |
473 | accepted++; | |
474 | } | |
475 | // | |
476 | // write the results to the tree - if specified | |
477 | // | |
478 | TBranch * br = fTreeGenTracks->GetBranch("MC"); | |
479 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
480 | // load only particles with TR | |
481 | AliMCInfo * info = GetInfo(iParticle); | |
482 | if (!info) continue; | |
483 | ////////////////////////////////////////////////////////////////////// | |
484 | br->SetAddress(&info); | |
485 | fTreeGenTracks->Fill(); | |
486 | } | |
487 | fTreeGenTracks->AutoSave(); | |
488 | // | |
489 | // | |
490 | if (fDebug > 2) cerr<<"end of TreeKLoop"<<endl; | |
491 | return 0; | |
492 | } | |
493 | ||
494 | ||
495 | //////////////////////////////////////////////////////////////////////////////////// | |
496 | Int_t AliGenInfoMaker::BuildKinkInfo() | |
497 | { | |
498 | // | |
499 | // Build tree with Kink Information | |
500 | // | |
501 | AliStack * stack = fStack; | |
502 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
503 | ||
504 | if (fDebug > 0) { | |
505 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
506 | <<fEventNr<<endl; | |
507 | } | |
508 | // Int_t ipdg = 0; | |
509 | //TParticlePDG *ppdg = 0; | |
510 | // not all generators give primary vertex position. Take the vertex | |
511 | // of the particle 0 as primary vertex. | |
512 | TDatabasePDG pdg; //get pdg table | |
513 | //thank you very much root for this | |
514 | TBranch * br = fTreeKinks->GetBranch("MC"); | |
515 | // | |
516 | AliGenKinkInfo * kinkinfo = new AliGenKinkInfo; | |
517 | // | |
518 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
519 | // load only particles with TR | |
520 | AliMCInfo * info = GetInfo(iParticle); | |
521 | if (!info) continue; | |
522 | if (info->fCharge==0) continue; | |
523 | if (info->fTRdecay.R()>500) continue; //R cut - decay outside barrel | |
524 | TParticle & particle = info->fParticle; | |
525 | Int_t first = particle.GetDaughter(0); | |
526 | if (first ==0) continue; | |
527 | ||
528 | Int_t last = particle.GetDaughter(1); | |
529 | if (last ==0) last=first; | |
530 | AliMCInfo * info2 = 0; | |
531 | AliMCInfo * dinfo = 0; | |
532 | ||
533 | for (Int_t id2=first;id2<=last;id2++){ | |
534 | info2 = GetInfo(id2); | |
535 | if (!info2) continue; | |
536 | TParticle &p2 = info2->fParticle; | |
537 | Double_t r = TMath::Sqrt(p2.Vx()*p2.Vx()+p2.Vy()*p2.Vy()); | |
538 | if ( TMath::Abs(info->fTRdecay.R()-r)>0.01) continue; | |
539 | if (!(p2.GetPDG())) continue; | |
540 | dinfo =info2; | |
541 | ||
542 | kinkinfo->SetInfoMother(*info); | |
543 | kinkinfo->SetInfoDaughter(*dinfo); | |
544 | if (kinkinfo->GetMinus().GetParticle().GetPDG()==0 || kinkinfo->GetPlus().GetParticle().GetPDG()==0) continue; | |
545 | kinkinfo->Update(); | |
546 | br->SetAddress(&kinkinfo); | |
547 | fTreeKinks->Fill(); | |
548 | } | |
549 | } | |
550 | fTreeKinks->AutoSave(); | |
551 | if (fDebug > 2) cerr<<"end of Kink Loop"<<endl; | |
552 | return 0; | |
553 | } | |
554 | ||
555 | ||
556 | //////////////////////////////////////////////////////////////////////////////////// | |
557 | Int_t AliGenInfoMaker::BuildV0Info() | |
558 | { | |
559 | // | |
560 | // Build tree with V0 Information | |
561 | // | |
562 | AliStack * stack = fStack; | |
563 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
564 | ||
565 | if (fDebug > 0) { | |
566 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
567 | <<fEventNr<<endl; | |
568 | } | |
569 | // | |
570 | TDatabasePDG pdg; //get pdg table | |
571 | //thank you very much root for this | |
572 | TBranch * br = fTreeV0->GetBranch("MC"); | |
573 | // | |
574 | AliGenV0Info * v0info = new AliGenV0Info; | |
575 | // | |
576 | // | |
577 | for (UInt_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
578 | TParticle * mParticle = fStack->Particle(iParticle); | |
579 | if (!mParticle) continue; | |
580 | if (mParticle->GetPDG()==0) continue; | |
581 | if (mParticle->GetPDG()->Charge()!=0) continue; //only neutral particle | |
582 | // | |
583 | Int_t first = mParticle->GetDaughter(0); | |
584 | Int_t last = mParticle->GetDaughter(1); | |
585 | if (first-last==0) continue; | |
586 | // | |
587 | AliMCInfo * info0 = GetInfo(first); | |
588 | AliMCInfo * info1 = GetInfo(first+1); | |
589 | if (info0 && info1){ | |
590 | if (info0->GetPdg()==0) continue; | |
591 | if (info1->GetPdg()==0) continue; | |
592 | v0info->SetInfoP(*info0); | |
593 | v0info->SetInfoM(*info1); | |
594 | v0info->SetMother(*mParticle); | |
595 | v0info->Update(fVPrim); | |
596 | if (fGenV0Array) fGenV0Array->AddLast(v0info); | |
597 | br->SetAddress(&v0info); | |
598 | fTreeV0->Fill(); | |
599 | } | |
600 | } | |
601 | fTreeV0->AutoSave(); | |
602 | if (fDebug > 2) cerr<<"end of V0 Loop"<<endl; | |
603 | return 0; | |
604 | } | |
605 | ||
606 | ||
607 | ||
608 | ||
609 | ||
610 | //////////////////////////////////////////////////////////////////////// | |
611 | Int_t AliGenInfoMaker::TreeDLoop() | |
612 | { | |
613 | // | |
614 | // open the file with treeD | |
615 | // loop over all entries there and save information about some tracks | |
616 | // | |
617 | if (!fTreeD) return 0; | |
618 | Int_t nInnerSector = fParamTPC->GetNInnerSector(); | |
619 | Int_t rowShift = 0; | |
620 | Int_t zero=fParamTPC->GetZeroSup()+6; | |
621 | // | |
622 | // | |
623 | AliSimDigits digitsAddress, *digits=&digitsAddress; | |
624 | fTreeD->GetBranch("Segment")->SetAddress(&digits); | |
625 | ||
626 | Int_t sectorsByRows=(Int_t)fTreeD->GetEntries(); | |
627 | if (fDebug > 1) cout<<"\tsectorsByRows = "<<sectorsByRows<<endl; | |
628 | for (Int_t i=0; i<sectorsByRows; i++) { | |
629 | if (!fTreeD->GetEvent(i)) continue; | |
630 | Int_t sec,row; | |
631 | fParamTPC->AdjustSectorRow(digits->GetID(),sec,row); | |
632 | if (fDebug > 1) cout<<sec<<' '<<row<<" \r"; | |
633 | // here I expect that upper sectors follow lower sectors | |
634 | if (sec > nInnerSector) rowShift = fParamTPC->GetNRowLow(); | |
635 | // | |
636 | digits->ExpandTrackBuffer(); | |
637 | digits->First(); | |
638 | do { | |
639 | Int_t iRow=digits->CurrentRow(); | |
640 | Int_t iColumn=digits->CurrentColumn(); | |
641 | Short_t digitValue = digits->CurrentDigit(); | |
642 | if (digitValue >= zero) { | |
643 | Int_t label; | |
644 | for (Int_t j = 0; j<3; j++) { | |
645 | // label = digits->GetTrackID(iRow,iColumn,j); | |
646 | label = digits->GetTrackIDFast(iRow,iColumn,j)-2; | |
647 | if (label >= (Int_t)fNParticles) { //don't label from bakground event | |
648 | continue; | |
649 | } | |
650 | if (label >= 0 && label <= (Int_t)fNParticles) { | |
651 | if (fDebug > 6 ) { | |
652 | cout<<"Inner loop: sector, iRow, iColumn, label, value, row " | |
653 | <<sec<<" " | |
654 | <<iRow<<" "<<iColumn<<" "<<label<<" "<<digitValue | |
655 | <<" "<<row<<endl; | |
656 | } | |
657 | AliMCInfo * info = GetInfo(label); | |
658 | if (info){ | |
659 | info->fTPCRow.SetRow(row+rowShift); | |
660 | } | |
661 | } | |
662 | } | |
663 | } | |
664 | } while (digits->Next()); | |
665 | } | |
666 | ||
667 | if (fDebug > 2) cerr<<"end of TreeDLoop"<<endl; | |
668 | return 0; | |
669 | } | |
670 | ||
671 | ||
672 | ||
673 | ||
674 | //////////////////////////////////////////////////////////////////////// | |
675 | Int_t AliGenInfoMaker::TreeTRLoop() | |
676 | { | |
677 | // | |
678 | // loop over TrackReferences and store the first one for each track | |
679 | // | |
680 | TTree * treeTR = fTreeTR; | |
681 | Int_t nPrimaries = (Int_t) treeTR->GetEntries(); | |
682 | if (fDebug > 1) cout<<"There are "<<nPrimaries<<" entries in TreeTR"<<endl; | |
683 | // | |
684 | // | |
685 | // | |
686 | TClonesArray* runArrayTR = new TClonesArray("AliTrackReference"); | |
687 | // | |
688 | if (treeTR->GetBranch("TrackReferences")) treeTR->GetBranch("TrackReferences")->SetAddress(&runArrayTR); | |
689 | // | |
690 | // | |
691 | // | |
692 | for (Int_t ipart = 0; ipart<fStack->GetNtrack(); ipart++) { | |
693 | TParticle * part = fStack->Particle(ipart); | |
694 | if (!part) continue; | |
695 | if (part->GetPDG()==0) continue; | |
696 | if (part->GetPDG()->Charge()==0) continue; | |
697 | ||
698 | if (part->Pt()<fITSPtCut) continue; | |
699 | if (part->R()>250.) continue; | |
700 | if (TMath::Abs(part->Vz())>250.) continue; | |
701 | if (TMath::Abs(part->Pz()/part->Pt())>2.5) continue; | |
702 | //AliMCInfo * info = ; | |
703 | MakeInfo(ipart); | |
704 | } | |
705 | // | |
706 | // | |
707 | ||
708 | for (Int_t iPrimPart = 0; iPrimPart<nPrimaries; iPrimPart++) { | |
709 | treeTR->GetEntry(iPrimPart); | |
710 | // | |
711 | // gettrack references | |
712 | // | |
713 | for (Int_t iTrackRef = 0; iTrackRef < runArrayTR->GetEntriesFast(); iTrackRef++) { | |
714 | AliTrackReference *trackRef = (AliTrackReference*)runArrayTR->At(iTrackRef); | |
715 | // | |
716 | Int_t label = trackRef->GetTrack(); | |
717 | AliMCInfo * cinfo = GetInfo(label); | |
718 | if (cinfo) cinfo->CalcTPCrows(runArrayTR); | |
719 | // | |
720 | // TPC | |
721 | // | |
722 | if (trackRef->DetectorId()== AliTrackReference::kTPC){ | |
723 | // | |
724 | Int_t label1 = trackRef->GetTrack(); | |
725 | AliMCInfo * info = GetInfo(label1); | |
726 | if (!info && trackRef->Pt()<fTPCPtCut) continue; | |
727 | if (!info) { | |
728 | info = MakeInfo(label1); | |
729 | } | |
730 | if (!info) continue; | |
731 | info->fPrimPart = iPrimPart; | |
732 | TClonesArray & arr = *(info->fTPCReferences); | |
733 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
734 | } | |
735 | // | |
736 | // ITS | |
737 | // | |
738 | if (trackRef->DetectorId()== AliTrackReference::kITS){ | |
739 | // | |
740 | Int_t label1 = trackRef->GetTrack(); | |
741 | AliMCInfo * info = GetInfo(label1); | |
742 | if (!info && trackRef->Pt()<fITSPtCut) continue; | |
743 | if (!info) info = MakeInfo(label1); | |
744 | if (!info) continue; | |
745 | info->fPrimPart = iPrimPart; | |
746 | TClonesArray & arr = *(info->fITSReferences); | |
747 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
748 | } | |
749 | // | |
750 | // TRD | |
751 | // | |
752 | if (trackRef->DetectorId()== AliTrackReference::kTRD){ | |
753 | // | |
754 | Int_t label1 = trackRef->GetTrack(); | |
755 | AliMCInfo * info = GetInfo(label1); | |
756 | if (!info&&trackRef->P()<fTRDPtCut) continue; | |
757 | if (!info) info = MakeInfo(label1); | |
758 | if (!info) continue; | |
759 | info->fPrimPart = iPrimPart; | |
760 | TClonesArray & arr = *(info->fTRDReferences); | |
761 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
762 | } | |
763 | // | |
764 | // TOF | |
765 | // | |
766 | if (trackRef->DetectorId()== AliTrackReference::kTOF){ | |
767 | // | |
768 | Int_t label1 = trackRef->GetTrack(); | |
769 | AliMCInfo * info = GetInfo(label1); | |
770 | if (!info&&trackRef->P()<fTOFPtCut) continue; | |
771 | if (!info) info = MakeInfo(label1); | |
772 | if (!info) continue; | |
773 | info->fPrimPart = iPrimPart; | |
774 | TClonesArray & arr = *(info->fTOFReferences); | |
775 | new (arr[arr.GetEntriesFast()]) AliTrackReference(*trackRef); | |
776 | } | |
777 | // | |
778 | // decay case | |
779 | // | |
780 | if (trackRef->DetectorId()== AliTrackReference::kDisappeared){ | |
781 | // | |
782 | AliMCInfo * info = GetInfo(label); | |
783 | if (!info) continue; | |
784 | info->fTRdecay = *trackRef; | |
785 | } | |
786 | } | |
787 | } | |
788 | // | |
789 | // | |
790 | return 0; | |
791 | } | |
792 | ||
793 | //////////////////////////////////////////////////////////////////////// | |
794 | Float_t AliGenInfoMaker::TR2LocalX(AliTrackReference *trackRef, | |
795 | AliTPCParam *paramTPC) const { | |
796 | ||
797 | // | |
798 | // Transformation from Gloabal to local tacking system | |
799 | // | |
800 | Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()}; | |
801 | Int_t index[4]; | |
802 | paramTPC->Transform0to1(x,index); | |
803 | paramTPC->Transform1to2(x,index); | |
804 | return x[0]; | |
805 | } | |
806 | //////////////////////////////////////////////////////////////////////// | |
807 | ||
808 | ||
809 | ||
810 | AliTPCParam * AliGenInfoMaker::GetTPCParam(){ | |
811 | // | |
812 | // create default TPC parameters | |
813 | // | |
814 | AliTPCParamSR * par = new AliTPCParamSR; | |
815 | par->Update(); | |
816 | return par; | |
817 | } | |
818 | ||
819 |