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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 | $Log$ | |
18 | Revision 1.4.6.1 2002/07/24 10:09:30 alibrary | |
19 | Updating VirtualMC | |
20 | ||
21 | Revision 1.5 2002/06/12 09:54:35 cblume | |
22 | Update of tracking code provided by Sergei | |
23 | ||
24 | Revision 1.4 2001/11/19 08:44:08 cblume | |
25 | Fix bugs reported by Rene | |
26 | ||
27 | Revision 1.3 2001/11/14 10:50:46 cblume | |
28 | Changes in digits IO. Add merging of summable digits | |
29 | ||
30 | Revision 1.2 2001/11/06 17:19:41 cblume | |
31 | Add detailed geometry and simple simulator | |
32 | ||
33 | Revision 1.1 2001/05/07 08:08:05 cblume | |
34 | Update of TRD code | |
35 | ||
36 | */ | |
37 | ||
38 | /////////////////////////////////////////////////////////////////////////////// | |
39 | // // | |
40 | // The TRD particle identification base class // | |
41 | // // | |
42 | // Its main purposes are: // | |
43 | // - Provide I/O framework for all neccessary files // | |
44 | // - Assignment of a e/pi propability to a given track // | |
45 | // // | |
46 | /////////////////////////////////////////////////////////////////////////////// | |
47 | ||
48 | #include <stdlib.h> | |
49 | #include <math.h> | |
50 | ||
51 | #include <TROOT.h> | |
52 | #include <TH1.h> | |
53 | #include <TObjArray.h> | |
54 | #include <TTree.h> | |
55 | #include <TFile.h> | |
56 | #include <TParticle.h> | |
57 | ||
58 | #include "AliRun.h" | |
59 | #include "AliTRD.h" | |
60 | #include "AliTRDpid.h" | |
61 | #include "AliTRDcluster.h" | |
62 | #include "AliTRDtrack.h" | |
63 | #include "AliTRDtracker.h" | |
64 | #include "AliTRDgeometry.h" | |
65 | ||
66 | ClassImp(AliTRDpid) | |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | AliTRDpid::AliTRDpid():TNamed() | |
70 | { | |
71 | // | |
72 | // AliTRDpid default constructor | |
73 | // | |
74 | ||
75 | fTrackArray = NULL; | |
76 | fClusterArray = NULL; | |
77 | fGeometry = NULL; | |
78 | fFileKine = NULL; | |
79 | ||
80 | fPIDratioMin = 0.0; | |
81 | fPIDpurePoints = kFALSE; | |
82 | fPIDindexMin = 0; | |
83 | fPIDindexMax = 0; | |
84 | ||
85 | fEvent = 0; | |
86 | ||
87 | fThreePadOnly = kFALSE; | |
88 | ||
89 | } | |
90 | ||
91 | //_____________________________________________________________________________ | |
92 | AliTRDpid::AliTRDpid(const char* name, const char* title):TNamed(name,title) | |
93 | { | |
94 | // | |
95 | // AliTRDpid constructor | |
96 | // | |
97 | ||
98 | fTrackArray = NULL; | |
99 | fClusterArray = NULL; | |
100 | fGeometry = NULL; | |
101 | fFileKine = NULL; | |
102 | ||
103 | fEvent = 0; | |
104 | ||
105 | Init(); | |
106 | ||
107 | } | |
108 | ||
109 | //_____________________________________________________________________________ | |
110 | AliTRDpid::AliTRDpid(const AliTRDpid &p) | |
111 | { | |
112 | // | |
113 | // AliTRDpid copy constructor | |
114 | // | |
115 | ||
116 | ((AliTRDpid &) p).Copy(*this); | |
117 | ||
118 | } | |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | AliTRDpid::~AliTRDpid() | |
122 | { | |
123 | // | |
124 | // AliTRDpid destructor | |
125 | // | |
126 | ||
127 | if (fClusterArray) { | |
128 | fClusterArray->Delete(); | |
129 | delete fClusterArray; | |
130 | fClusterArray = NULL; | |
131 | } | |
132 | ||
133 | if (fTrackArray) { | |
134 | fTrackArray->Delete(); | |
135 | delete fTrackArray; | |
136 | fTrackArray = NULL; | |
137 | } | |
138 | ||
139 | if (fFileKine) { | |
140 | delete fFileKine; | |
141 | fFileKine = NULL; | |
142 | } | |
143 | ||
144 | } | |
145 | ||
146 | //_____________________________________________________________________________ | |
147 | AliTRDpid &AliTRDpid::operator=(const AliTRDpid &p) | |
148 | { | |
149 | // | |
150 | // Assignment operator | |
151 | // | |
152 | ||
153 | if (this != &p) ((AliTRDpid &) p).Copy(*this); | |
154 | return *this; | |
155 | ||
156 | } | |
157 | ||
158 | //_____________________________________________________________________________ | |
159 | void AliTRDpid::Copy(TObject &p) | |
160 | { | |
161 | // | |
162 | // Copy function | |
163 | // | |
164 | ||
165 | ((AliTRDpid &) p).fTrackArray = NULL; | |
166 | ((AliTRDpid &) p).fClusterArray = NULL; | |
167 | ((AliTRDpid &) p).fGeometry = NULL; | |
168 | ((AliTRDpid &) p).fFileKine = NULL; | |
169 | ((AliTRDpid &) p).fPIDratioMin = fPIDratioMin; | |
170 | ((AliTRDpid &) p).fPIDpurePoints = fPIDpurePoints; | |
171 | ((AliTRDpid &) p).fPIDindexMin = fPIDindexMin; | |
172 | ((AliTRDpid &) p).fPIDindexMax = fPIDindexMax; | |
173 | ((AliTRDpid &) p).fThreePadOnly = fThreePadOnly; | |
174 | ((AliTRDpid &) p).fEvent = fEvent; | |
175 | ||
176 | } | |
177 | ||
178 | //_____________________________________________________________________________ | |
179 | Bool_t AliTRDpid::Init() | |
180 | { | |
181 | // | |
182 | // Initializes the PID object | |
183 | // | |
184 | ||
185 | fClusterArray = new TObjArray(); | |
186 | fTrackArray = new TObjArray(); | |
187 | ||
188 | fPIDratioMin = 0.7; | |
189 | fPIDpurePoints = kTRUE; | |
190 | fPIDindexMin = -1; | |
191 | fPIDindexMax = -1; | |
192 | ||
193 | fThreePadOnly = kFALSE; | |
194 | ||
195 | return kTRUE; | |
196 | ||
197 | } | |
198 | ||
199 | //_____________________________________________________________________________ | |
200 | Bool_t AliTRDpid::AssignLikelihood() | |
201 | { | |
202 | // | |
203 | // Assigns the e / pi likelihood to all tracks. | |
204 | // | |
205 | ||
206 | return AssignLikelihood(fTrackArray); | |
207 | ||
208 | } | |
209 | ||
210 | //_____________________________________________________________________________ | |
211 | Bool_t AliTRDpid::AssignLikelihood(TObjArray *tarray) | |
212 | { | |
213 | // | |
214 | // Assigns the e / pi likelihood to all tracks in the array <tarray>. | |
215 | // | |
216 | ||
217 | Bool_t status = kTRUE; | |
218 | ||
219 | AliTRDtrack *track; | |
220 | ||
221 | TIter nextTrack(tarray); | |
222 | while ((track = (AliTRDtrack *) nextTrack())) { | |
223 | if (!AssignLikelihood(track)) { | |
224 | status = kFALSE; | |
225 | continue; | |
226 | } | |
227 | } | |
228 | ||
229 | return status; | |
230 | ||
231 | } | |
232 | ||
233 | //_____________________________________________________________________________ | |
234 | Bool_t AliTRDpid::FillSpectra() | |
235 | { | |
236 | // | |
237 | // Fills the energy loss distributions with all tracks. | |
238 | // | |
239 | ||
240 | return FillSpectra(fTrackArray); | |
241 | ||
242 | } | |
243 | ||
244 | //_____________________________________________________________________________ | |
245 | Bool_t AliTRDpid::FillSpectra(TObjArray *tarray) | |
246 | { | |
247 | // | |
248 | // Fills the energy loss distributions with all tracks in <tarray>. | |
249 | // | |
250 | ||
251 | Bool_t status = kTRUE; | |
252 | ||
253 | AliTRDtrack *track; | |
254 | ||
255 | TIter nextTrack(tarray); | |
256 | while ((track = (AliTRDtrack *) nextTrack())) { | |
257 | if (!FillSpectra(track)) { | |
258 | status = kFALSE; | |
259 | continue; | |
260 | } | |
261 | } | |
262 | ||
263 | return kTRUE; | |
264 | ||
265 | } | |
266 | ||
267 | //_____________________________________________________________________________ | |
268 | Bool_t AliTRDpid::Open(const Char_t *name, Int_t event) | |
269 | { | |
270 | // | |
271 | // Opens and reads the kine tree, the geometry, the cluster array | |
272 | // and the track array from the file <name>. | |
273 | // | |
274 | ||
275 | Bool_t status = kTRUE; | |
276 | ||
277 | status = ReadCluster(name); | |
278 | status = ReadTracks(name); | |
279 | status = ReadKine(name,event); | |
280 | ||
281 | return status; | |
282 | ||
283 | } | |
284 | ||
285 | //_____________________________________________________________________________ | |
286 | Bool_t AliTRDpid::Open(const Char_t *namekine | |
287 | , const Char_t *namecluster | |
288 | , const Char_t *nametracks | |
289 | , Int_t event) | |
290 | { | |
291 | // | |
292 | // Opens and reads the kine tree and the geometry from file <namekine>, | |
293 | // the cluster array from file <namecluster>, | |
294 | // and the track array from the file <nametracks>. | |
295 | // | |
296 | ||
297 | Bool_t status = kTRUE; | |
298 | ||
299 | status = ReadCluster(namecluster); | |
300 | status = ReadTracks(nametracks); | |
301 | status = ReadKine(namekine,event); | |
302 | ||
303 | return status; | |
304 | ||
305 | } | |
306 | ||
307 | //_____________________________________________________________________________ | |
308 | Bool_t AliTRDpid::ReadKine(const Char_t *name, Int_t event) | |
309 | { | |
310 | // | |
311 | // Opens and reads the kine tree and the geometry from the file <name>. | |
312 | // | |
313 | ||
314 | TFile *fFileKine = (TFile *) gROOT->GetListOfFiles()->FindObject(name); | |
315 | if (!fFileKine) { | |
316 | printf("AliTRDpid::ReadKine -- "); | |
317 | printf("Open file %s\n",name); | |
318 | fFileKine = new TFile(name); | |
319 | if (!fFileKine) { | |
320 | printf("AliTRDpid::ReadKine -- "); | |
321 | printf("Cannot open file %s\n",name); | |
322 | return kFALSE; | |
323 | } | |
324 | } | |
325 | ||
326 | gAlice = (AliRun *) fFileKine->Get("gAlice"); | |
327 | if (!gAlice) { | |
328 | printf("AliTRDpid::ReadKine -- "); | |
329 | printf("No AliRun object found\n"); | |
330 | return kFALSE; | |
331 | } | |
332 | gAlice->GetEvent(event); | |
333 | ||
334 | AliTRD *trd = (AliTRD *) gAlice->GetDetector("TRD"); | |
335 | if (!trd) { | |
336 | printf("AliTRDpid::ReadKine -- "); | |
337 | printf("No TRD object found\n"); | |
338 | return kFALSE; | |
339 | } | |
340 | ||
341 | fGeometry = trd->GetGeometry(); | |
342 | if (!fGeometry) { | |
343 | printf("AliTRDpid::ReadKine -- "); | |
344 | printf("No TRD geometry found\n"); | |
345 | return kFALSE; | |
346 | } | |
347 | ||
348 | fEvent = event; | |
349 | ||
350 | return kTRUE; | |
351 | ||
352 | } | |
353 | ||
354 | //_____________________________________________________________________________ | |
355 | Bool_t AliTRDpid::ReadCluster(const Char_t *name) | |
356 | { | |
357 | // | |
358 | // Opens and reads the cluster array from the file <name>. | |
359 | // | |
360 | ||
361 | TDirectory *savedir = gDirectory; | |
362 | ||
363 | if (fClusterArray) { | |
364 | fClusterArray->Delete(); | |
365 | } | |
366 | else { | |
367 | fClusterArray = new TObjArray(); | |
368 | } | |
369 | ||
370 | printf("AliTRDpid::ReadCluster -- "); | |
371 | printf("Open file %s\n",name); | |
372 | ||
373 | AliTRDtracker *tracker = new AliTRDtracker(); | |
374 | tracker->ReadClusters(fClusterArray,name); | |
375 | ||
376 | if (!fClusterArray) { | |
377 | printf("AliTRDpid::ReadCluster -- "); | |
378 | printf("Error reading the cluster array from file %s\n",name); | |
379 | return kFALSE; | |
380 | } | |
381 | ||
382 | delete tracker; | |
383 | ||
384 | savedir->cd(); | |
385 | ||
386 | return kTRUE; | |
387 | ||
388 | } | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | Bool_t AliTRDpid::ReadTracks(const Char_t *name) | |
392 | { | |
393 | // | |
394 | // Opens and reads the track array from the file <name>. | |
395 | // | |
396 | ||
397 | TDirectory *savedir = gDirectory; | |
398 | ||
399 | if (fTrackArray) { | |
400 | fTrackArray->Delete(); | |
401 | } | |
402 | else { | |
403 | fTrackArray = new TObjArray(); | |
404 | } | |
405 | ||
406 | TFile *file = (TFile *) gROOT->GetListOfFiles()->FindObject(name); | |
407 | if (!file) { | |
408 | printf("AliTRDpid::ReadTracks -- "); | |
409 | printf("Open file %s\n",name); | |
410 | file = new TFile(name); | |
411 | if (!file) { | |
412 | printf("AliTRDpid::ReadTracks -- "); | |
413 | printf("Cannot open file %s\n",name); | |
414 | return kFALSE; | |
415 | } | |
416 | } | |
417 | ||
418 | Char_t treeName[12]; | |
419 | sprintf(treeName,"TreeT%d_TRD",fEvent); | |
420 | TTree *trackTree = (TTree *) file->Get(treeName); | |
421 | TBranch *trackBranch = trackTree->GetBranch("tracks"); | |
422 | ||
423 | Int_t nEntry = ((Int_t) trackTree->GetEntries()); | |
424 | for (Int_t iEntry = 0; iEntry < nEntry; iEntry++) { | |
425 | AliTRDtrack *track = new AliTRDtrack(); | |
426 | trackBranch->SetAddress(&track); | |
427 | trackTree->GetEvent(iEntry); | |
428 | fTrackArray->AddLast(track); | |
429 | } | |
430 | ||
431 | file->Close(); | |
432 | ||
433 | savedir->cd(); | |
434 | ||
435 | return kTRUE; | |
436 | ||
437 | } | |
438 | ||
439 | //_____________________________________________________________________________ | |
440 | Int_t AliTRDpid::MCpid(const AliTRDtrack *t) | |
441 | { | |
442 | // | |
443 | // Determines the pid of the MC track <t>. | |
444 | // | |
445 | ||
446 | // PDG codes | |
447 | const Int_t kPdgEl = 11; | |
448 | const Int_t kPdgPi = 211; | |
449 | ||
450 | AliTRDcluster *cluster; | |
451 | TParticle *particle; | |
452 | ||
453 | Int_t nClusterEl = 0; | |
454 | Int_t nClusterPi = 0; | |
455 | Int_t nClusterPure = 0; | |
456 | Int_t nClusterMix = 0; | |
457 | ||
458 | Float_t ratioEl = 0; | |
459 | Float_t ratioPi = 0; | |
460 | ||
461 | Int_t ipid = -1; | |
462 | ||
463 | if (!fClusterArray) { | |
464 | printf("AliTRDpid::MCpid -- "); | |
465 | printf("ClusterArray not defined. Initialize the PID object first\n"); | |
466 | return -1; | |
467 | } | |
468 | ||
469 | // Loop through all clusters associated to this track | |
470 | Int_t nCluster = t->GetNumberOfClusters(); | |
471 | for (Int_t iCluster = 0; iCluster < nCluster; iCluster++) { | |
472 | ||
473 | // Get a cluster | |
474 | Int_t index = t->GetClusterIndex(iCluster); | |
475 | if (!(cluster = (AliTRDcluster *) fClusterArray->UncheckedAt(index))) { | |
476 | break; | |
477 | } | |
478 | ||
479 | // Get the first two MC track indices | |
480 | Int_t track0 = cluster->GetLabel(0); | |
481 | Int_t track1 = cluster->GetLabel(1); | |
482 | ||
483 | // Check on the track index to find the right primaries | |
484 | if ((track0 > fPIDindexMin) && | |
485 | (track0 <= fPIDindexMax)) { | |
486 | ||
487 | // Check whether it is a pure cluster, i.e. not overlapping | |
488 | Bool_t accept = kTRUE; | |
489 | if ((fPIDpurePoints) && (track1 != -1)) { | |
490 | accept = kFALSE; | |
491 | } | |
492 | if (accept) { | |
493 | ||
494 | particle = gAlice->Particle(track0); | |
495 | if (particle->GetFirstMother() == -1) { | |
496 | switch (TMath::Abs(particle->GetPdgCode())) { | |
497 | case kPdgEl: | |
498 | nClusterEl++; | |
499 | break; | |
500 | case kPdgPi: | |
501 | nClusterPi++; | |
502 | break; | |
503 | }; | |
504 | nClusterPure++; | |
505 | } | |
506 | ||
507 | } | |
508 | else { | |
509 | ||
510 | nClusterMix++; | |
511 | ||
512 | } | |
513 | ||
514 | } | |
515 | ||
516 | } | |
517 | ||
518 | if (nCluster) { | |
519 | ratioEl = ((Float_t) nClusterEl) / ((Float_t) nCluster); | |
520 | ratioPi = ((Float_t) nClusterPi) / ((Float_t) nCluster); | |
521 | if (ratioEl > fPIDratioMin) { | |
522 | ipid = kElectron; | |
523 | } | |
524 | else if (ratioPi > fPIDratioMin) { | |
525 | ipid = kPion; | |
526 | } | |
527 | } | |
528 | // printf("AliTRDpid::MCpid -- "); | |
529 | // printf("nCluster = %d, nClusterEl = %d, nClusterPi = %d\n" | |
530 | // ,nCluster,nClusterEl,nClusterPi); | |
531 | // printf("AliTRDpid::MCpid -- "); | |
532 | // printf("nClusterPure = %d, nClusterMix = %d\n" | |
533 | // ,nClusterPure,nClusterMix); | |
534 | // printf("AliTRDpid::MCpid -- "); | |
535 | // printf("ratioEl = %f, ratioPi = %f, ipid = %d\n",ratioEl,ratioPi,ipid); | |
536 | ||
537 | return ipid; | |
538 | ||
539 | } | |
540 | ||
541 | //_____________________________________________________________________________ | |
542 | Int_t AliTRDpid::MCpid(const AliTRDtrack *t, Int_t *pdg | |
543 | , Int_t *nFound | |
544 | , Int_t *indices) | |
545 | { | |
546 | // | |
547 | // Determines the pid of the MC track <t>. | |
548 | // Returns the number of different MC particles that contribute to this | |
549 | // track. <pdg> contains their PDG code, ordered by their frequency. | |
550 | // <nFound> contains the corresponding number of cluster that contain | |
551 | // contributions to this cluster. | |
552 | // | |
553 | ||
554 | const Int_t kNtrack = 3; | |
555 | const Int_t kNpart = 200; | |
556 | ||
557 | AliTRDcluster *cluster; | |
558 | TParticle *particle; | |
559 | ||
560 | Int_t nPart = 0; | |
561 | Int_t iPart = 0; | |
562 | Int_t iTrack = 0; | |
563 | Int_t iCluster = 0; | |
564 | ||
565 | if (!fClusterArray) { | |
566 | printf("AliTRDpid::MCpid -- "); | |
567 | printf("ClusterArray not defined. Initialize the PID object first\n"); | |
568 | return -1; | |
569 | } | |
570 | ||
571 | Int_t sort[kNpart]; | |
572 | Int_t pdgTmp[kNpart]; | |
573 | Int_t nFoundTmp[kNpart]; | |
574 | Int_t indicesTmp[kNpart]; | |
575 | for (iPart = 0; iPart < kNpart; iPart++) { | |
576 | pdg[iPart] = 0; | |
577 | nFound[iPart] = 0; | |
578 | indices[iPart] = 0; | |
579 | pdgTmp[iPart] = 0; | |
580 | nFoundTmp[iPart] = 0; | |
581 | indicesTmp[iPart] = 0; | |
582 | sort[iPart] = 0; | |
583 | } | |
584 | ||
585 | // Loop through all clusters associated to this track | |
586 | Int_t nCluster = t->GetNumberOfClusters(); | |
587 | for (iCluster = 0; iCluster < nCluster; iCluster++) { | |
588 | ||
589 | // Get a cluster | |
590 | Int_t index = t->GetClusterIndex(iCluster); | |
591 | if (!(cluster = (AliTRDcluster *) fClusterArray->UncheckedAt(index))) { | |
592 | break; | |
593 | } | |
594 | ||
595 | // Get the MC track indices | |
596 | for (iTrack = 0; iTrack < kNtrack; iTrack++) { | |
597 | ||
598 | Int_t trackIndex = cluster->GetLabel(iTrack); | |
599 | if (trackIndex >= 0) { | |
600 | particle = gAlice->Particle(trackIndex); | |
601 | Int_t pdgCode = particle->GetPdgCode(); | |
602 | Bool_t newPart = kTRUE; | |
603 | for (iPart = 0; iPart < nPart; iPart++) { | |
604 | if (trackIndex == indicesTmp[iPart]) { | |
605 | nFoundTmp[iPart]++; | |
606 | newPart = kFALSE; | |
607 | break; | |
608 | } | |
609 | } | |
610 | if ((newPart) && (nPart < kNpart)) { | |
611 | indicesTmp[nPart] = trackIndex; | |
612 | pdgTmp[nPart] = pdgCode; | |
613 | nFoundTmp[nPart]++; | |
614 | nPart++; | |
615 | } | |
616 | } | |
617 | ||
618 | } | |
619 | ||
620 | } | |
621 | ||
622 | // Sort the arrays by the frequency of the appearance of a MC track | |
623 | TMath::Sort(nPart,nFoundTmp,sort,kTRUE); | |
624 | for (iPart = 0; iPart < nPart; iPart++) { | |
625 | pdg[iPart] = pdgTmp[sort[iPart]]; | |
626 | nFound[iPart] = nFoundTmp[sort[iPart]]; | |
627 | indices[iPart] = indicesTmp[sort[iPart]]; | |
628 | // printf(" iPart = %d, pdg = %d, nFound = %d, indices = %d\n" | |
629 | // ,iPart,pdg[iPart],nFound[iPart],indices[iPart]); | |
630 | } | |
631 | ||
632 | return nPart; | |
633 | ||
634 | } | |
635 | ||
636 | //_____________________________________________________________________________ | |
637 | Bool_t AliTRDpid::SumCharge(const AliTRDtrack *t | |
638 | , Float_t *charge | |
639 | , Int_t *nCluster) | |
640 | { | |
641 | // | |
642 | // Sums up the charge in each plane for track <t>. | |
643 | // | |
644 | ||
645 | Bool_t status = kTRUE; | |
646 | ||
647 | AliTRDcluster *cluster; | |
648 | ||
649 | const Int_t kNplane = AliTRDgeometry::Nplan(); | |
650 | for (Int_t iPlane = 0; iPlane < kNplane; iPlane++) { | |
651 | charge[iPlane] = 0.0; | |
652 | nCluster[iPlane] = 0; | |
653 | } | |
654 | ||
655 | if (!fClusterArray) { | |
656 | printf("AliTRDpid::SumCharge -- "); | |
657 | printf("ClusterArray not defined. Initialize the PID object first\n"); | |
658 | return kFALSE; | |
659 | } | |
660 | if (!fGeometry) { | |
661 | printf("AliTRDpid::SumCharge -- "); | |
662 | printf("TRD geometry not defined. Initialize the PID object first\n"); | |
663 | return kFALSE; | |
664 | } | |
665 | ||
666 | // Loop through all clusters associated to this track | |
667 | Int_t nClus = t->GetNumberOfClusters(); | |
668 | for (Int_t iClus = 0; iClus < nClus; iClus++) { | |
669 | ||
670 | // Get a cluster | |
671 | Int_t index = t->GetClusterIndex(iClus); | |
672 | if (!(cluster = (AliTRDcluster *) fClusterArray->UncheckedAt(index))) { | |
673 | status = kFALSE; | |
674 | break; | |
675 | } | |
676 | ||
677 | if (fThreePadOnly) { | |
678 | if ((!cluster->From2pad()) && | |
679 | (!cluster->From3pad())) continue; | |
680 | } | |
681 | ||
682 | // Sum up the charge | |
683 | Int_t plane = fGeometry->GetPlane(cluster->GetDetector()); | |
684 | //charge[plane] += cluster->GetQ(); | |
685 | // Corrected charge | |
686 | charge[plane] += t->GetClusterdQdl(iClus); | |
687 | nCluster[plane]++; | |
688 | ||
689 | } | |
690 | // printf("AliTRDpid::SumCharge -- "); | |
691 | // printf("charge = %d, %d, %d, %d, %d, %d\n" | |
692 | // ,(Int_t) charge[0] | |
693 | // ,(Int_t) charge[1] | |
694 | // ,(Int_t) charge[2] | |
695 | // ,(Int_t) charge[3] | |
696 | // ,(Int_t) charge[4] | |
697 | // ,(Int_t) charge[5]); | |
698 | // printf("AliTRDpid::SumCharge -- "); | |
699 | // printf("nCluster = %d, %d, %d, %d, %d, %d\n" | |
700 | // ,nCluster[0] | |
701 | // ,nCluster[1] | |
702 | // ,nCluster[2] | |
703 | // ,nCluster[3] | |
704 | // ,nCluster[4] | |
705 | // ,nCluster[5]); | |
706 | ||
707 | return status; | |
708 | ||
709 | } |