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fdbea0ce | 1 | // $Id$ |
2 | ||
3 | /////////////////////////////////////////////////////////////////////////// | |
4 | // Class AliCollider | |
5 | // Pythia based universal physics event generator. | |
6 | // This event class is derived from TPythia6 and has some extensions to | |
7 | // support also generation of nucleus-nucleus interactions and to allow | |
8 | // investigation of the effect of detector resolving power. | |
9 | // Furthermore, the produced event information is provided in a format | |
10 | // using the AliEvent structure. | |
11 | // For the produced AliTrack objects, the particle ID code is set to the | |
12 | // Pythia KF value, which is compatible with the PDG identifier. | |
13 | // This will allow a direct analysis of the produced data using the | |
14 | // Ralice physics analysis tools. | |
15 | // | |
16 | // For further details concerning the produced output structure, | |
17 | // see the docs of the memberfunctions SetVertexMode and SetResolution. | |
18 | // | |
19 | // Example job of minimum biased Pb+Pb interactions : | |
20 | // -------------------------------------------------- | |
21 | // { | |
22 | // gSystem->Load("libEG"); | |
23 | // gSystem->Load("libEGPythia6"); | |
24 | // gSystem->Load("ralice"); | |
25 | // | |
26 | // AliCollider* gen=new AliCollider(); | |
27 | // | |
28 | // gen->SetOutputFile("test.root"); | |
29 | // gen->SetVertexMode(3); | |
30 | // gen->SetResolution(1e-4); // 1 micron vertex resolution | |
31 | // | |
32 | // gen->SetRunNumber(1); | |
33 | // | |
34 | // Int_t zp=82; | |
35 | // Int_t ap=208; | |
36 | // Int_t zt=82; | |
37 | // Int_t at=208; | |
38 | // | |
39 | // gen->Init("fixt",zp,ap,zt,at,158); | |
40 | // | |
41 | // Int_t nevents=5; | |
42 | // | |
43 | // AliRandom rndm; | |
44 | // Float_t* rans=new Float_t[nevents]; | |
45 | // rndm.Uniform(rans,nevents,2,ap+at); | |
46 | // Int_t npart; | |
47 | // for (Int_t i=0; i<nevents; i++) | |
48 | // { | |
49 | // npart=rans[i]; | |
50 | // gen->MakeEvent(npart); | |
51 | // | |
52 | // AliEvent* evt=gen->GetEvent(); | |
53 | // | |
54 | // evt->List(); | |
55 | // } | |
56 | // | |
57 | // gen->EndRun(); | |
58 | // } | |
59 | // | |
60 | // | |
61 | // Example job of a cosmic nu+p atmospheric interaction. | |
62 | // ----------------------------------------------------- | |
63 | // { | |
64 | // gSystem->Load("libEG"); | |
65 | // gSystem->Load("libEGPythia6"); | |
66 | // gSystem->Load("ralice"); | |
67 | // | |
68 | // AliCollider* gen=new AliCollider(); | |
69 | // | |
70 | // gen->SetOutputFile("test.root"); | |
71 | // | |
72 | // gen->SetRunNumber(1); | |
73 | // | |
74 | // gen->Init("fixt","nu_mu","p",1e11); | |
75 | // | |
76 | // Int_t nevents=10; | |
77 | // | |
78 | // for (Int_t i=0; i<nevents; i++) | |
79 | // { | |
80 | // gen->MakeEvent(0,1); | |
81 | // | |
82 | // AliEvent* evt=gen->GetEvent(); | |
83 | // | |
84 | // evt->Info(); | |
85 | // } | |
86 | // | |
87 | // gen->EndRun(); | |
88 | // } | |
89 | // | |
90 | // | |
91 | //--- Author: Nick van Eijndhoven 22-nov-2002 Utrecht University | |
92 | //- Modified: NvE $Date$ Utrecht University | |
93 | /////////////////////////////////////////////////////////////////////////// | |
94 | ||
95 | #include "AliCollider.h" | |
96 | ||
97 | ClassImp(AliCollider) // Class implementation to enable ROOT I/O | |
98 | ||
99 | AliCollider::AliCollider() | |
100 | { | |
101 | // Default constructor. | |
102 | // All variables initialised to default values. | |
103 | fVertexmode=0; // No vertex structure creation | |
104 | fResolution=1e-5; // Standard resolution is 0.1 micron | |
105 | fRunnum=0; | |
106 | fEventnum=0; | |
107 | fPrintfreq=1; | |
108 | ||
109 | fEvent=0; | |
110 | ||
111 | fFrame="none"; | |
112 | fWin=0; | |
113 | ||
114 | fNucl=0; | |
115 | fZproj=0; | |
116 | fAproj=0; | |
117 | fZtarg=0; | |
118 | fAtarg=0; | |
119 | fFracpp=0; | |
120 | fFracnp=0; | |
121 | fFracpn=0; | |
122 | fFracnn=0; | |
123 | ||
124 | fOutFile=0; | |
125 | fOutTree=0; | |
126 | } | |
127 | /////////////////////////////////////////////////////////////////////////// | |
128 | AliCollider::~AliCollider() | |
129 | { | |
130 | // Default destructor | |
131 | if (fEvent) | |
132 | { | |
133 | delete fEvent; | |
134 | fEvent=0; | |
135 | } | |
136 | if (fOutFile) | |
137 | { | |
138 | delete fOutFile; | |
139 | fOutFile=0; | |
140 | } | |
141 | if (fOutTree) | |
142 | { | |
143 | delete fOutTree; | |
144 | fOutTree=0; | |
145 | } | |
146 | } | |
147 | /////////////////////////////////////////////////////////////////////////// | |
148 | void AliCollider::SetOutputFile(TString s) | |
149 | { | |
150 | // Create the output file containing all the data in ROOT output format. | |
151 | if (fOutFile) | |
152 | { | |
153 | delete fOutFile; | |
154 | fOutFile=0; | |
155 | } | |
156 | fOutFile=new TFile(s.Data(),"RECREATE","AliCollider data"); | |
157 | ||
158 | if (fOutTree) | |
159 | { | |
160 | delete fOutTree; | |
161 | fOutTree=0; | |
162 | } | |
163 | fOutTree=new TTree("T","AliCollider event data"); | |
164 | ||
165 | Int_t bsize=32000; | |
166 | Int_t split=0; | |
167 | fOutTree->Branch("Events","AliEvent",&fEvent,bsize,split); | |
168 | } | |
169 | /////////////////////////////////////////////////////////////////////////// | |
170 | void AliCollider::SetVertexMode(Int_t mode) | |
171 | { | |
172 | // Set the mode of the vertex structure creation. | |
173 | // | |
174 | // By default all generated tracks will only appear in the AliEvent | |
175 | // structure without any primary (and secondary) vertex structure. | |
176 | // The user can build the vertex structure if he/she wants by means | |
177 | // of the beginpoint location of each AliTrack. | |
178 | // | |
179 | // However, one can also let AliCollider automatically create | |
180 | // the primary (and secondary) vertex structure(s). | |
181 | // In this case the primary vertex is given Id=1 and all sec. vertices | |
182 | // are given Id's 2,3,4,.... | |
183 | // All vertices are created as standalone entities in the AliEvent structure | |
184 | // without any linking between the various vertices. | |
185 | // For this automated process, the user-selected resolution | |
186 | // (see SetResolution) is used to decide whether or not certain vertex | |
187 | // locations can be resolved. | |
188 | // In case no vertex creation is selected (i.e. the default mode=0), | |
189 | // the value of the resolution is totally irrelevant. | |
190 | // | |
191 | // The user can also let AliCollider automatically connect the sec. vertices | |
192 | // to the primary vertex (i.e. mode=3). This process will also automatically | |
193 | // generate the tracks connecting the vertices. | |
194 | // Note that the result of the mode=3 operation may be very sensitive to | |
195 | // the resolution parameter. Therefore, no attempt is made to distinguish | |
196 | // between secondary, tertiary etc... vertices. All sec. vertices are | |
197 | // linked to the primary one. | |
198 | // | |
199 | // Irrespective of the selected mode, all generated tracks can be obtained | |
200 | // directly from the AliEvent structure. | |
201 | // In case (sec.) vertex creation is selected, all generated vertices can | |
202 | // also be obtained directly from the AliEvent structure. | |
203 | // These (sec.) vertices contain only the corresponding pointers to the various | |
204 | // tracks which are stored in the AliEvent structure. | |
205 | // | |
206 | // Overview of vertex creation modes : | |
207 | // ----------------------------------- | |
208 | // mode = 0 ==> No vertex structure will be created | |
209 | // 1 ==> Only primary vertex structure will be created | |
210 | // 2 ==> Unconnected primary and secondary vertices will be created | |
211 | // 3 ==> Primary and secondary vertices will be created where all the | |
212 | // sec. vertices will be connected to the primary vertex. | |
213 | // Also the vertex connecting tracks will be automatically | |
214 | // generated. | |
215 | // | |
216 | if (mode<0 || mode >3) | |
217 | { | |
218 | cout << " *AliCollider::SetVertexMode* Invalid argument mode : " << mode << endl; | |
219 | fVertexmode=0; | |
220 | } | |
221 | else | |
222 | { | |
223 | fVertexmode=mode; | |
224 | } | |
225 | } | |
226 | /////////////////////////////////////////////////////////////////////////// | |
227 | Int_t AliCollider::GetVertexMode() | |
228 | { | |
229 | // Provide the current mode for vertex structure creation. | |
230 | return fVertexmode; | |
231 | } | |
232 | /////////////////////////////////////////////////////////////////////////// | |
233 | void AliCollider::SetResolution(Double_t res) | |
234 | { | |
235 | // Set the resolution (in cm) for resolving (sec.) vertices. | |
236 | // By default this resolution is set to 0.1 micron. | |
237 | // Note : In case no vertex creation has been selected, the value of | |
238 | // the resolution is totally irrelevant. | |
239 | fResolution=fabs(res); | |
240 | } | |
241 | /////////////////////////////////////////////////////////////////////////// | |
242 | Double_t AliCollider::GetResolution() | |
243 | { | |
244 | // Provide the current resolution (in cm) for resolving (sec.) vertices. | |
245 | return fResolution; | |
246 | } | |
247 | /////////////////////////////////////////////////////////////////////////// | |
248 | void AliCollider::SetRunNumber(Int_t run) | |
249 | { | |
250 | // Set the user defined run number. | |
251 | // By default the run number is set to 0. | |
252 | fRunnum=run; | |
253 | } | |
254 | /////////////////////////////////////////////////////////////////////////// | |
255 | Int_t AliCollider::GetRunNumber() | |
256 | { | |
257 | // Provide the user defined run number. | |
258 | return fRunnum; | |
259 | } | |
260 | /////////////////////////////////////////////////////////////////////////// | |
261 | void AliCollider::SetPrintFreq(Int_t n) | |
262 | { | |
263 | // Set the print frequency for every 'n' events. | |
264 | // By default the printfrequency is set to 1 (i.e. every event). | |
265 | fPrintfreq=n; | |
266 | } | |
267 | /////////////////////////////////////////////////////////////////////////// | |
268 | Int_t AliCollider::GetPrintFreq() | |
269 | { | |
270 | // Provide the user selected print frequency. | |
271 | return fPrintfreq; | |
272 | } | |
273 | /////////////////////////////////////////////////////////////////////////// | |
274 | void AliCollider::Init(char* frame,char* beam,char* target,Float_t win) | |
275 | { | |
276 | // Initialisation of the underlying Pythia generator package. | |
277 | // This routine just invokes TPythia6::Initialize(...) and the arguments | |
278 | // have the corresponding meaning. | |
279 | // The event number is reset to 0. | |
280 | fEventnum=0; | |
281 | fNucl=0; | |
282 | fFrame=frame; | |
283 | fWin=win; | |
284 | Initialize(frame,beam,target,win); | |
285 | } | |
286 | /////////////////////////////////////////////////////////////////////////// | |
287 | void AliCollider::Init(char* frame,Int_t zp,Int_t ap,Int_t zt,Int_t at,Float_t win) | |
288 | { | |
289 | // Initialisation of the underlying Pythia generator package for the generation | |
290 | // of nucleus-nucleus interactions. | |
291 | // In addition to the Pythia standard arguments 'frame' and 'win', the user | |
292 | // can specify here (Z,A) values of the projectile and target nuclei and the number | |
293 | // 'npart' of the participant nucleons for this collision. | |
294 | // The event number is reset to 0. | |
295 | fEventnum=0; | |
296 | fNucl=1; | |
297 | fFrame=frame; | |
298 | fWin=win; | |
299 | fZproj=0; | |
300 | fAproj=0; | |
301 | fZtarg=0; | |
302 | fAtarg=0; | |
303 | fFracpp=0; | |
304 | fFracnp=0; | |
305 | fFracpn=0; | |
306 | fFracnn=0; | |
307 | ||
308 | if (ap<1 || at<1 || zp>ap || zt>at) | |
309 | { | |
310 | cout << " *AliCollider::Init* Invalid input value(s). Zproj = " << zp | |
311 | << " Aproj = " << ap << " Ztarg = " << zt << " Atarg = " << at << endl; | |
312 | return; | |
313 | } | |
314 | ||
315 | fZproj=zp; | |
316 | fAproj=ap; | |
317 | fZtarg=zt; | |
318 | fAtarg=at; | |
319 | ||
320 | cout << " *AliCollider::Init* Nucleus-Nucleus generator initialisation." << endl; | |
321 | cout << " Zproj = " << zp << " Aproj = " << ap << " Ztarg = " << zt << " Atarg = " << at | |
322 | << " Frame = " << frame << " Energy = " << win | |
323 | << endl; | |
324 | } | |
325 | /////////////////////////////////////////////////////////////////////////// | |
326 | void AliCollider::GetFractions(Float_t zp,Float_t ap,Float_t zt,Float_t at) | |
327 | { | |
328 | // Determine the fractions for the various N-N collision processes. | |
329 | // The various processes are : p+p, n+p, p+n and n+n. | |
330 | if (zp<0) zp=0; | |
331 | if (zt<0) zt=0; | |
332 | ||
333 | fFracpp=0; | |
334 | fFracnp=0; | |
335 | fFracpn=0; | |
336 | fFracnn=0; | |
337 | ||
338 | if (ap>0 && at>0) | |
339 | { | |
340 | fFracpp=(zp/ap)*(zt/at); | |
341 | fFracnp=(1.-zp/ap)*(zt/at); | |
342 | fFracpn=(zp/ap)*(1.-zt/at); | |
343 | fFracnn=(1.-zp/ap)*(1.-zt/at); | |
344 | } | |
345 | } | |
346 | /////////////////////////////////////////////////////////////////////////// | |
347 | void AliCollider::MakeEvent(Int_t npt,Int_t mlist,Int_t medit) | |
348 | { | |
349 | // Generate one event. | |
350 | // In case of a nucleus-nucleus interaction, the argument 'npt' denotes | |
351 | // the number of participant nucleons. | |
352 | // In case of a standard Pythia run for 'elementary' particle interactions, | |
353 | // the value of npt is totally irrelevant. | |
354 | // The argument 'medit' denotes the edit mode used for Pyedit(). | |
355 | // By default, only 'stable' final particles are kept (i.e. medit=1). | |
356 | // The argument 'mlist' denotes the list mode used for Pylist(). | |
357 | // By default, no listing is produced (i.e. mlist=0). | |
358 | ||
359 | fEventnum++; | |
360 | ||
361 | // Counters for the various (proj,targ) combinations : p+p, n+p, p+n and n+n | |
362 | Int_t ncols[4]={0,0,0,0}; | |
363 | ||
364 | if (fNucl) | |
365 | { | |
366 | if (npt<1 || npt>(fAproj+fAtarg)) | |
367 | { | |
368 | cout << " *AliCollider::MakeEvent* Invalid input value. npt = " << npt | |
369 | << " Aproj = " << fAproj << " Atarg = " << fAtarg << endl; | |
370 | return; | |
371 | } | |
372 | ||
373 | // Determine the number of nucleon-nucleon collisions | |
374 | Int_t ncol=npt/2.; | |
375 | if (npt%2 && fRan.Uniform()>0.5) ncol+=1; | |
376 | ||
377 | // Determine the number of the various types of N+N interactions | |
378 | Int_t zp=fZproj; | |
379 | Int_t ap=fAproj; | |
380 | Int_t zt=fZtarg; | |
381 | Int_t at=fAtarg; | |
382 | Int_t maxa=2; // Indicator whether proj (1) or target (2) has maximal A left | |
383 | if (ap>at) maxa=1; | |
384 | Float_t* rans=new Float_t[ncol]; | |
385 | fRan.Uniform(rans,ncol); | |
386 | Float_t rndm=0; | |
387 | for (Int_t i=0; i<ncol; i++) | |
388 | { | |
389 | GetFractions(zp,ap,zt,at); | |
390 | rndm=rans[i]; | |
391 | if (rndm<=fFracpp) // p+p interaction | |
392 | { | |
393 | ncols[0]++; | |
394 | if (maxa=2) | |
395 | { | |
396 | at--; | |
397 | zt--; | |
398 | } | |
399 | else | |
400 | { | |
401 | ap--; | |
402 | zp--; | |
403 | } | |
404 | } | |
405 | if (rndm>fFracpp && rndm<=(fFracpp+fFracnp)) // n+p interaction | |
406 | { | |
407 | ncols[1]++; | |
408 | if (maxa=2) | |
409 | { | |
410 | at--; | |
411 | zt--; | |
412 | } | |
413 | else | |
414 | { | |
415 | ap--; | |
416 | } | |
417 | } | |
418 | if (rndm>(fFracpp+fFracnp) && rndm<=(fFracpp+fFracnp+fFracpn)) // p+n interaction | |
419 | { | |
420 | ncols[2]++; | |
421 | if (maxa=2) | |
422 | { | |
423 | at--; | |
424 | } | |
425 | else | |
426 | { | |
427 | ap--; | |
428 | zp--; | |
429 | } | |
430 | } | |
431 | if (rndm>(fFracpp+fFracnp+fFracpn)) // n+n interaction | |
432 | { | |
433 | ncols[3]++; | |
434 | if (maxa=2) | |
435 | { | |
436 | at--; | |
437 | } | |
438 | else | |
439 | { | |
440 | ap--; | |
441 | } | |
442 | } | |
443 | } | |
444 | delete [] rans; | |
445 | ||
446 | if (!(fEventnum%fPrintfreq)) | |
447 | { | |
448 | cout << " *AliCollider::MakeEvent* Run : " << fRunnum << " Event : " << fEventnum | |
449 | << endl; | |
450 | cout << " npart = " << npt << " ncol = " << ncol | |
451 | << " ncolpp = " << ncols[0] << " ncolnp = " << ncols[1] | |
452 | << " ncolpn = " << ncols[2] << " ncolnn = " << ncols[3] << endl; | |
453 | } | |
454 | ||
455 | } | |
456 | ||
457 | if (!fEvent) | |
458 | { | |
459 | fEvent=new AliEvent(); | |
460 | fEvent->SetOwner(); | |
461 | } | |
462 | ||
463 | fEvent->Reset(); | |
464 | fEvent->SetRunNumber(fRunnum); | |
465 | fEvent->SetEventNumber(fEventnum); | |
466 | ||
467 | AliVertex vert; | |
468 | if (fVertexmode) | |
469 | { | |
470 | // Make sure the primary vertex gets correct location and Id=1 | |
471 | vert.SetId(1); | |
472 | vert.SetTrackCopy(0); | |
473 | vert.SetVertexCopy(0); | |
474 | fEvent->AddVertex(vert,0); | |
475 | } | |
476 | ||
477 | AliTrack t; | |
478 | Ali3Vector p; | |
479 | AliPosition r,rx; | |
480 | Float_t v[3]; | |
481 | ||
482 | Int_t kf=0,kc=0; | |
483 | Float_t charge=0,mass=0; | |
484 | ||
485 | TMCParticle* part=0; | |
486 | ||
487 | Int_t ntypes=4; | |
488 | ||
489 | // Singular settings for a normal Pythia elementary particle interation | |
490 | if (!fNucl) | |
491 | { | |
492 | ntypes=1; | |
493 | ncols[0]=1; | |
494 | } | |
495 | ||
496 | // Generate all the various collisions | |
497 | Int_t npart=0,ntk=0; | |
498 | Double_t dist=0; | |
499 | for (Int_t itype=0; itype<ntypes; itype++) | |
500 | { | |
501 | if (fNucl) | |
502 | { | |
503 | if (itype==0 && ncols[itype]) Initialize(fFrame,"p","p",fWin); | |
504 | if (itype==1 && ncols[itype]) Initialize(fFrame,"n","p",fWin); | |
505 | if (itype==2 && ncols[itype]) Initialize(fFrame,"p","n",fWin); | |
506 | if (itype==3 && ncols[itype]) Initialize(fFrame,"n","n",fWin); | |
507 | } | |
508 | for (Int_t jcol=0; jcol<ncols[itype]; jcol++) | |
509 | { | |
510 | GenerateEvent(); | |
511 | ||
512 | Pyedit(medit); // Define which particles are to be kept | |
513 | ||
514 | if (mlist) Pylist(mlist); | |
515 | ||
516 | ImportParticles(); | |
517 | npart=0; | |
518 | if (fParticles) npart=fParticles->GetEntries(); | |
519 | ||
520 | for (Int_t jpart=0; jpart<npart; jpart++) | |
521 | { | |
522 | part=(TMCParticle*)fParticles->At(jpart); | |
523 | if (!part) continue; | |
524 | ||
525 | kf=part->GetKF(); | |
526 | kc=Pycomp(kf); | |
527 | ||
528 | charge=GetKCHG(kc,1)/3.; | |
529 | if (kf<0) charge*=-1; | |
530 | mass=GetPMAS(kc,1); | |
531 | ||
532 | // 3-momentum in GeV/c | |
533 | v[0]=part->GetPx(); | |
534 | v[1]=part->GetPy(); | |
535 | v[2]=part->GetPz(); | |
536 | p.SetVector(v,"car"); | |
537 | ||
538 | // Production location in cm. | |
539 | v[0]=(part->GetVx())/10; | |
540 | v[1]=(part->GetVy())/10; | |
541 | v[2]=(part->GetVz())/10; | |
542 | r.SetVector(v,"car"); | |
543 | ||
544 | ntk++; | |
545 | ||
546 | t.Reset(); | |
547 | t.SetId(ntk); | |
548 | t.SetParticleCode(kf); | |
549 | t.SetCharge(charge); | |
550 | t.SetMass(mass); | |
551 | t.Set3Momentum(p); | |
552 | t.SetBeginPoint(r); | |
553 | ||
554 | fEvent->AddTrack(t); | |
555 | ||
556 | // Build the vertex structures if requested | |
557 | if (fVertexmode) | |
558 | { | |
559 | // Check if track belongs within the resolution to an existing vertex | |
560 | Int_t add=0; | |
561 | for (Int_t jv=1; jv<=fEvent->GetNvertices(); jv++) | |
562 | { | |
563 | AliVertex* vx=fEvent->GetVertex(jv); | |
564 | if (vx) | |
565 | { | |
566 | rx=vx->GetPosition(); | |
567 | dist=rx.GetDistance(r); | |
568 | if (dist < fResolution) | |
569 | { | |
570 | AliTrack* tx=fEvent->GetIdTrack(ntk); | |
571 | if (tx) | |
572 | { | |
573 | vx->AddTrack(tx); | |
574 | add=1; | |
575 | } | |
576 | } | |
577 | } | |
578 | if (add) break; // No need to look further for vertex candidates | |
579 | } | |
580 | ||
581 | // If track was not close enough to an existing vertex | |
582 | // a new secondary vertex is created | |
583 | if (!add && fVertexmode>1) | |
584 | { | |
585 | AliTrack* tx=fEvent->GetIdTrack(ntk); | |
586 | if (tx) | |
587 | { | |
588 | vert.Reset(); | |
589 | vert.SetTrackCopy(0); | |
590 | vert.SetVertexCopy(0); | |
591 | vert.SetId((fEvent->GetNvertices())+1); | |
592 | vert.SetPosition(r); | |
593 | vert.AddTrack(tx); | |
594 | fEvent->AddVertex(vert,0); | |
595 | } | |
596 | } | |
597 | } | |
598 | } // End of loop over the produced particles for each collision | |
599 | } // End of loop over number of collisions for each type | |
600 | } // End of loop over collision types | |
601 | ||
602 | // Link sec. vertices to primary if requested | |
603 | // Note that also the connecting tracks are automatically created | |
604 | if (fVertexmode>2) | |
605 | { | |
606 | AliVertex* vp=fEvent->GetIdVertex(1); // Primary vertex | |
607 | if (vp) | |
608 | { | |
609 | for (Int_t i=2; i<=fEvent->GetNvertices(); i++) | |
610 | { | |
611 | AliVertex* vx=fEvent->GetVertex(i); | |
612 | if (vx) | |
613 | { | |
614 | if (vx->GetId() != 1) vp->AddVertex(vx); | |
615 | } | |
616 | } | |
617 | } | |
618 | } | |
619 | ||
620 | if (mlist) cout << endl; // Create empty output line after the event | |
621 | if (fOutTree) fOutTree->Fill(); | |
622 | } | |
623 | /////////////////////////////////////////////////////////////////////////// | |
624 | AliEvent* AliCollider::GetEvent() | |
625 | { | |
626 | // Provide pointer to the generated event structure. | |
627 | return fEvent; | |
628 | } | |
629 | /////////////////////////////////////////////////////////////////////////// | |
630 | void AliCollider::EndRun() | |
631 | { | |
632 | // Properly close the output file (if needed). | |
633 | if (fOutFile) | |
634 | { | |
635 | fOutFile->Write(); | |
636 | fOutFile->Close(); | |
637 | cout << " *AliCollider::EndRun* Output file correctly closed." << endl; | |
638 | } | |
639 | } | |
640 | /////////////////////////////////////////////////////////////////////////// |