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Cuts on tracks quality implemented
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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// Source File : PMDDigitizer.cxx, Version 00 //
18// //
19// Date : September 20 2002 //
20// //
21//-----------------------------------------------------//
22
23#include <Riostream.h>
24#include <TBRIK.h>
25#include <TNode.h>
26#include <TTree.h>
27#include <TGeometry.h>
28#include <TObjArray.h>
29#include <TClonesArray.h>
30#include <TFile.h>
31#include <TNtuple.h>
32#include <TParticle.h>
33
34#include "AliRun.h"
35#include "AliPMD.h"
36#include "AliHit.h"
37#include "AliDetector.h"
38#include "AliRunLoader.h"
39#include "AliLoader.h"
40#include "AliConfig.h"
41#include "AliMagF.h"
42#include "AliRunDigitizer.h"
43#include "AliHeader.h"
44
45#include "AliPMDcell.h"
46#include "AliPMDsdigit.h"
47#include "AliPMDdigit.h"
48#include "AliPMDDigitizer.h"
49#include "AliPMDClustering.h"
50#include "AliMC.h"
51
52ClassImp(AliPMDDigitizer)
53
54AliPMDDigitizer::AliPMDDigitizer()
55{
56 // Default Constructor
57 //
58 if (!fSDigits) fSDigits = new TClonesArray("AliPMDsdigit", 1000);
59 fNsdigit = 0;
60 if (!fDigits) fDigits = new TClonesArray("AliPMDdigit", 1000);
61 fNdigit = 0;
62
63 for (Int_t i = 0; i < fgkTotUM; i++)
64 {
65 for (Int_t j = 0; j < fgkRow; j++)
66 {
67 for (Int_t k = 0; k < fgkCol; k++)
68 {
69 fCPV[i][j][k] = 0.;
70 fPRE[i][j][k] = 0.;
71 }
72 }
73 }
74
75 if (!fCell) fCell = new TObjArray();
76
77 fZPos = 361.5; // in units of cm, This is the default position of PMD
78}
79AliPMDDigitizer::~AliPMDDigitizer()
80{
81 // Default Destructor
82 //
83 delete fSDigits;
84 delete fDigits;
85 delete fCell;
86}
87//
88// Member functions
89//
90void AliPMDDigitizer::OpengAliceFile(const char *file, Option_t *option)
91{
92 // Loads galice.root file and corresponding header, kinematics
93 // hits and sdigits or digits depending on the option
94 //
95 fRunLoader = AliRunLoader::Open(file,AliConfig::fgkDefaultEventFolderName,
96 "UPDATE");
97
98 if (!fRunLoader)
99 {
100 Error("Open","Can not open session for file %s.",file);
101 }
102
103 fRunLoader->LoadgAlice();
104 fRunLoader->LoadHeader();
105 fRunLoader->LoadKinematics();
106
107 gAlice = fRunLoader->GetAliRun();
108
109 if (gAlice)
110 {
111 printf("<AliPMDdigitizer::Open> ");
112 printf("AliRun object found on file.\n");
113 }
114 else
115 {
116 printf("<AliPMDdigitizer::Open> ");
117 printf("Could not find AliRun object.\n");
118 }
119
120 fPMD = (AliPMD*)gAlice->GetDetector("PMD");
121 fPMDLoader = fRunLoader->GetLoader("PMDLoader");
122 if (fPMDLoader == 0x0)
123 {
124 cerr<<"Hits2Digits : Can not find PMD or PMDLoader\n";
125 }
126
127 const char *cHS = strstr(option,"HS");
128 const char *cHD = strstr(option,"HD");
129 const char *cSD = strstr(option,"SD");
130
131 if (cHS)
132 {
133 fPMDLoader->LoadHits("READ");
134 fPMDLoader->LoadSDigits("recreate");
135 }
136 else if (cHD)
137 {
138 fPMDLoader->LoadHits("READ");
139 fPMDLoader->LoadDigits("recreate");
140 }
141 else if (cSD)
142 {
143 fPMDLoader->LoadSDigits("READ");
144 fPMDLoader->LoadDigits("recreate");
145 }
146
147}
148void AliPMDDigitizer::Hits2SDigits(Int_t ievt)
149{
150 // This reads the PMD Hits tree and assigns the right track number
151 // to a cell and stores in the summable digits tree
152 //
153 // cout << " -------- Beginning of Hits2SDigits ----------- " << endl;
154
155 const Int_t kPi0 = 111;
156 const Int_t kGamma = 22;
157 Int_t npmd;
158 Int_t trackno;
159 Int_t smnumber;
160 Int_t trackpid;
161 Int_t mtrackno;
162 Int_t mtrackpid;
163
164 Float_t xPos, yPos, zPos;
165 Int_t xpad = -1, ypad = -1;
166 Float_t edep;
167 Float_t vx = -999.0, vy = -999.0, vz = -999.0;
168
169
170 ResetSDigit();
171
172 printf("Event Number = %d \n",ievt);
173 Int_t nparticles = fRunLoader->GetHeader()->GetNtrack();
174 printf("Number of Particles = %d \n", nparticles);
175 fRunLoader->GetEvent(ievt);
176 // fPArray = gAlice->GetMCApp()->Particles();
177 // ------------------------------------------------------- //
178 // Pointer to specific detector hits.
179 // Get pointers to Alice detectors and Hits containers
180
181 fTreeH = fPMDLoader->TreeH();
182
183 Int_t ntracks = (Int_t) fTreeH->GetEntries();
184 printf("Number of Tracks in the TreeH = %d \n", ntracks);
185
186 fTreeS = fPMDLoader->TreeS();
187 if (fTreeS == 0x0)
188 {
189 fPMDLoader->MakeTree("S");
190 fTreeS = fPMDLoader->TreeS();
191 }
192 Int_t bufsize = 16000;
193 fTreeS->Branch("PMDSDigit", &fSDigits, bufsize);
194
195 if (fPMD) fHits = fPMD->Hits();
196
197 // Start loop on tracks in the hits containers
198
199 for (Int_t track=0; track<ntracks;track++)
200 {
201 gAlice->ResetHits();
202 fTreeH->GetEvent(track);
203 if (fPMD)
204 {
205 npmd = fHits->GetEntriesFast();
206 for (int ipmd = 0; ipmd < npmd; ipmd++)
207 {
208 fPMDHit = (AliPMDhit*) fHits->UncheckedAt(ipmd);
209 trackno = fPMDHit->GetTrack();
210 // get kinematics of the particles
211
212 fParticle = gAlice->GetMCApp()->Particle(trackno);
213 trackpid = fParticle->GetPdgCode();
214
215 Int_t igatr = -999;
216 Int_t ichtr = -999;
217 Int_t igapid = -999;
218 Int_t imo;
219 Int_t igen = 0;
220 Int_t idmo = -999;
221
222 TParticle* mparticle = fParticle;
223 Int_t tracknoOld=0, trackpidOld=0, statusOld = 0;
224 if (mparticle->GetFirstMother() == -1)
225 {
226 tracknoOld = trackno;
227 trackpidOld = trackpid;
228 statusOld = -1;
229 }
230 Int_t igstatus = 0;
231 while((imo = mparticle->GetFirstMother()) >= 0)
232 {
233 igen++;
234
235 mparticle = gAlice->GetMCApp()->Particle(imo);
236 idmo = mparticle->GetPdgCode();
237
238 vx = mparticle->Vx();
239 vy = mparticle->Vy();
240 vz = mparticle->Vz();
241
242 //printf("==> Mother ID %5d %5d %5d Vertex: %13.3f %13.3f %13.3f\n", igen, imo, idmo, vx, vy, vz);
243 //fprintf(fpw1,"==> Mother ID %5d %5d %5d Vertex: %13.3f %13.3f %13.3f\n", igen, imo, idmo, vx, vy, vz);
244 if ((idmo == kGamma || idmo == -11 || idmo == 11) && vx == 0. && vy == 0. && vz == 0.)
245 {
246 igatr = imo;
247 igapid = idmo;
248 igstatus = 1;
249 }
250 if(igstatus == 0)
251 {
252 if (idmo == kPi0 && vx == 0. && vy == 0. && vz == 0.)
253 {
254 igatr = imo;
255 igapid = idmo;
256 }
257 }
258 ichtr = imo;
259 }
260
261 if (idmo == kPi0 && vx == 0. && vy == 0. && vz == 0.)
262 {
263 mtrackno = igatr;
264 mtrackpid = igapid;
265 }
266 else
267 {
268 mtrackno = ichtr;
269 mtrackpid = idmo;
270 }
271 if (statusOld == -1)
272 {
273 mtrackno = tracknoOld;
274 mtrackpid = trackpidOld;
275 }
276 xPos = fPMDHit->X();
277 yPos = fPMDHit->Y();
278 zPos = fPMDHit->Z();
279 edep = fPMDHit->fEnergy;
280 Int_t vol1 = fPMDHit->fVolume[1]; // Column
281 Int_t vol2 = fPMDHit->fVolume[2]; // Row
282 Int_t vol3 = fPMDHit->fVolume[3]; // UnitModule
283 Int_t vol6 = fPMDHit->fVolume[6]; // SuperModule
284 // -----------------------------------------//
285 // For Super Module 1 & 2 //
286 // nrow = 96, ncol = 48 //
287 // For Super Module 3 & 4 //
288 // nrow = 48, ncol = 96 //
289 // -----------------------------------------//
290
291 smnumber = (vol6-1)*6 + vol3;
292
293 if (vol6 == 1 || vol6 == 2)
294 {
295 xpad = vol1;
296 ypad = vol2;
297 }
298 else if (vol6 == 3 || vol6 == 4)
299 {
300 xpad = vol2;
301 ypad = vol1;
302 }
303
304 //cout << "zpos = " << zPos << " edep = " << edep << endl;
305
306 Float_t zposition = TMath::Abs(zPos);
307 if (zposition < fZPos)
308 {
309 // CPV
310 fDetNo = 1;
311 }
312 else if (zposition > fZPos)
313 {
314 // PMD
315 fDetNo = 0;
316 }
317 Int_t smn = smnumber - 1;
318 Int_t ixx = xpad - 1;
319 Int_t iyy = ypad - 1;
320 if (fDetNo == 0)
321 {
322 fPRE[smn][ixx][iyy] += edep;
323 fPRECounter[smn][ixx][iyy]++;
324
325 fPMDcell = new AliPMDcell(mtrackno,smn,ixx,iyy,edep);
326
327 fCell->Add(fPMDcell);
328 }
329 else if(fDetNo == 1)
330 {
331 fCPV[smn][ixx][iyy] += edep;
332 fCPVTrackNo[smn][ixx][iyy] = mtrackno;
333 }
334 }
335 }
336 } // Track Loop ended
337
338 TrackAssignment2Cell();
339 ResetCell();
340
341 Float_t deltaE = 0.;
342 Int_t detno = 0;
343 Int_t trno = -1;
344 Int_t cellno = 0;
345
346 for (Int_t idet = 0; idet < 2; idet++)
347 {
348 for (Int_t ism = 0; ism < fgkTotUM; ism++)
349 {
350 for (Int_t jrow = 0; jrow < fgkRow; jrow++)
351 {
352 for (Int_t kcol = 0; kcol < fgkCol; kcol++)
353 {
354 cellno = jrow*fgkCol + kcol;
355 if (idet == 0)
356 {
357 deltaE = fPRE[ism][jrow][kcol];
358 trno = fPRETrackNo[ism][jrow][kcol];
359 detno = 0;
360 }
361 else if (idet == 1)
362 {
363 deltaE = fCPV[ism][jrow][kcol];
364 trno = fCPVTrackNo[ism][jrow][kcol];
365 detno = 1;
366 }
367 if (deltaE > 0.)
368 {
369 AddSDigit(trno,detno,ism,cellno,deltaE);
370 }
371 }
372 }
373 fTreeS->Fill();
374 ResetSDigit();
375 }
376 }
377 fPMDLoader->WriteSDigits("OVERWRITE");
378 ResetCellADC();
379
380 // cout << " -------- End of Hits2SDigit ----------- " << endl;
381}
382
383void AliPMDDigitizer::Hits2Digits(Int_t ievt)
384{
385 // This reads the PMD Hits tree and assigns the right track number
386 // to a cell and stores in the digits tree
387 //
388 const Int_t kPi0 = 111;
389 const Int_t kGamma = 22;
390 Int_t npmd;
391 Int_t trackno;
392 Int_t smnumber;
393 Int_t trackpid;
394 Int_t mtrackno;
395 Int_t mtrackpid;
396
397 Float_t xPos, yPos, zPos;
398 Int_t xpad = -1, ypad = -1;
399 Float_t edep;
400 Float_t vx = -999.0, vy = -999.0, vz = -999.0;
401
402 ResetDigit();
403
404 printf("Event Number = %d \n",ievt);
405
406 Int_t nparticles = fRunLoader->GetHeader()->GetNtrack();
407 printf("Number of Particles = %d \n", nparticles);
408 fRunLoader->GetEvent(ievt);
409 // fPArray = gAlice->GetMCApp()->Particles();
410 // ------------------------------------------------------- //
411 // Pointer to specific detector hits.
412 // Get pointers to Alice detectors and Hits containers
413
414 fPMD = (AliPMD*)gAlice->GetDetector("PMD");
415 fPMDLoader = fRunLoader->GetLoader("PMDLoader");
416
417 if (fPMDLoader == 0x0)
418 {
419 cerr<<"Hits2Digits method : Can not find PMD or PMDLoader\n";
420 }
421 fTreeH = fPMDLoader->TreeH();
422 Int_t ntracks = (Int_t) fTreeH->GetEntries();
423 printf("Number of Tracks in the TreeH = %d \n", ntracks);
424 fPMDLoader->LoadDigits("recreate");
425 fTreeD = fPMDLoader->TreeD();
426 if (fTreeD == 0x0)
427 {
428 fPMDLoader->MakeTree("D");
429 fTreeD = fPMDLoader->TreeD();
430 }
431 Int_t bufsize = 16000;
432 fTreeD->Branch("PMDDigit", &fDigits, bufsize);
433
434 if (fPMD) fHits = fPMD->Hits();
435
436 // Start loop on tracks in the hits containers
437
438 for (Int_t track=0; track<ntracks;track++)
439 {
440 gAlice->ResetHits();
441 fTreeH->GetEvent(track);
442
443 if (fPMD)
444 {
445 npmd = fHits->GetEntriesFast();
446 for (int ipmd = 0; ipmd < npmd; ipmd++)
447 {
448 fPMDHit = (AliPMDhit*) fHits->UncheckedAt(ipmd);
449 trackno = fPMDHit->GetTrack();
450
451 // get kinematics of the particles
452
453 fParticle = gAlice->GetMCApp()->Particle(trackno);
454 trackpid = fParticle->GetPdgCode();
455
456 Int_t igatr = -999;
457 Int_t ichtr = -999;
458 Int_t igapid = -999;
459 Int_t imo;
460 Int_t igen = 0;
461 Int_t idmo = -999;
462
463 TParticle* mparticle = fParticle;
464 Int_t tracknoOld=0, trackpidOld=0, statusOld = 0;
465 if (mparticle->GetFirstMother() == -1)
466 {
467 tracknoOld = trackno;
468 trackpidOld = trackpid;
469 statusOld = -1;
470 }
471
472 Int_t igstatus = 0;
473 while((imo = mparticle->GetFirstMother()) >= 0)
474 {
475 igen++;
476
477 mparticle = gAlice->GetMCApp()->Particle(imo);
478 idmo = mparticle->GetPdgCode();
479
480 vx = mparticle->Vx();
481 vy = mparticle->Vy();
482 vz = mparticle->Vz();
483
484 //printf("==> Mother ID %5d %5d %5d Vertex: %13.3f %13.3f %13.3f\n", igen, imo, idmo, vx, vy, vz);
485 //fprintf(fpw1,"==> Mother ID %5d %5d %5d Vertex: %13.3f %13.3f %13.3f\n", igen, imo, idmo, vx, vy, vz);
486 if ((idmo == kGamma || idmo == -11 || idmo == 11) && vx == 0. && vy == 0. && vz == 0.)
487 {
488 igatr = imo;
489 igapid = idmo;
490 igstatus = 1;
491 }
492 if(igstatus == 0)
493 {
494 if (idmo == kPi0 && vx == 0. && vy == 0. && vz == 0.)
495 {
496 igatr = imo;
497 igapid = idmo;
498 }
499 }
500 ichtr = imo;
501 }
502
503 if (idmo == kPi0 && vx == 0. && vy == 0. && vz == 0.)
504 {
505 mtrackno = igatr;
506 mtrackpid = igapid;
507 }
508 else
509 {
510 mtrackno = ichtr;
511 mtrackpid = idmo;
512 }
513 if (statusOld == -1)
514 {
515 mtrackno = tracknoOld;
516 mtrackpid = trackpidOld;
517 }
518
519 xPos = fPMDHit->X();
520 yPos = fPMDHit->Y();
521 zPos = fPMDHit->Z();
522 edep = fPMDHit->fEnergy;
523 Int_t vol1 = fPMDHit->fVolume[1]; // Column
524 Int_t vol2 = fPMDHit->fVolume[2]; // Row
525 Int_t vol3 = fPMDHit->fVolume[3]; // UnitModule
526 Int_t vol6 = fPMDHit->fVolume[6]; // SuperModule
527
528 // -----------------------------------------//
529 // For Super Module 1 & 2 //
530 // nrow = 96, ncol = 48 //
531 // For Super Module 3 & 4 //
532 // nrow = 48, ncol = 96 //
533 // -----------------------------------------//
534
535 smnumber = (vol6-1)*6 + vol3;
536
537 if (vol6 == 1 || vol6 == 2)
538 {
539 xpad = vol1;
540 ypad = vol2;
541 }
542 else if (vol6 == 3 || vol6 == 4)
543 {
544 xpad = vol2;
545 ypad = vol1;
546 }
547
548 //cout << "-zpos = " << -zPos << endl;
549
550 Float_t zposition = TMath::Abs(zPos);
551
552 if (zposition < fZPos)
553 {
554 // CPV
555 fDetNo = 1;
556 }
557 else if (zposition > fZPos)
558 {
559 // PMD
560 fDetNo = 0;
561 }
562
563 Int_t smn = smnumber - 1;
564 Int_t ixx = xpad - 1;
565 Int_t iyy = ypad - 1;
566 if (fDetNo == 0)
567 {
568 fPRE[smn][ixx][iyy] += edep;
569 fPRECounter[smn][ixx][iyy]++;
570
571 fPMDcell = new AliPMDcell(mtrackno,smn,ixx,iyy,edep);
572
573 fCell->Add(fPMDcell);
574 }
575 else if(fDetNo == 1)
576 {
577 fCPV[smn][ixx][iyy] += edep;
578 fCPVTrackNo[smn][ixx][iyy] = mtrackno;
579 }
580 }
581 }
582 } // Track Loop ended
583
584 TrackAssignment2Cell();
585 ResetCell();
586
587 Float_t deltaE = 0.;
588 Int_t detno = 0;
589 Int_t trno = 1;
590 Int_t cellno;
591
592 for (Int_t idet = 0; idet < 2; idet++)
593 {
594 for (Int_t ism = 0; ism < fgkTotUM; ism++)
595 {
596 for (Int_t jrow = 0; jrow < fgkRow; jrow++)
597 {
598 for (Int_t kcol = 0; kcol < fgkCol; kcol++)
599 {
600 cellno = jrow*fgkCol + kcol;
601 if (idet == 0)
602 {
603 deltaE = fPRE[ism][jrow][kcol];
604 trno = fPRETrackNo[ism][jrow][kcol];
605 detno = 0;
606 }
607 else if (idet == 1)
608 {
609 deltaE = fCPV[ism][jrow][kcol];
610 trno = fCPVTrackNo[ism][jrow][kcol];
611 detno = 1;
612 }
613 if (deltaE > 0.)
614 {
615 AddDigit(trno,detno,ism,cellno,deltaE);
616 }
617 } // column loop
618 } // row loop
619 } // supermodule loop
620 fTreeD->Fill();
621 ResetDigit();
622 } // detector loop
623
624 fPMDLoader->WriteDigits("OVERWRITE");
625 ResetCellADC();
626
627 // cout << " -------- End of Hits2Digit ----------- " << endl;
628}
629
630
631void AliPMDDigitizer::SDigits2Digits(Int_t ievt)
632{
633 // This reads the PMD sdigits tree and converts energy deposition
634 // in a cell to ADC and stores in the digits tree
635 //
636 // cout << " -------- Beginning of SDigits2Digit ----------- " << endl;
637 fRunLoader->GetEvent(ievt);
638
639 fTreeS = fPMDLoader->TreeS();
640 AliPMDsdigit *pmdsdigit;
641 TBranch *branch = fTreeS->GetBranch("PMDSDigit");
642 branch->SetAddress(&fSDigits);
643
644 fTreeD = fPMDLoader->TreeD();
645 if (fTreeD == 0x0)
646 {
647 fPMDLoader->MakeTree("D");
648 fTreeD = fPMDLoader->TreeD();
649 }
650 Int_t bufsize = 16000;
651 fTreeD->Branch("PMDDigit", &fDigits, bufsize);
652
653 Int_t trno, det, smn;
654 Int_t cellno;
655 Float_t edep, adc;
656
657 Int_t nmodules = (Int_t) fTreeS->GetEntries();
658
659 for (Int_t imodule = 0; imodule < nmodules; imodule++)
660 {
661 fTreeS->GetEntry(imodule);
662 Int_t nentries = fSDigits->GetLast();
663 //cout << " nentries = " << nentries << endl;
664 for (Int_t ient = 0; ient < nentries+1; ient++)
665 {
666 pmdsdigit = (AliPMDsdigit*)fSDigits->UncheckedAt(ient);
667 trno = pmdsdigit->GetTrackNumber();
668 det = pmdsdigit->GetDetector();
669 smn = pmdsdigit->GetSMNumber();
670 cellno = pmdsdigit->GetCellNumber();
671 edep = pmdsdigit->GetCellEdep();
672
673 MeV2ADC(edep,adc);
674 AddDigit(trno,det,smn,cellno,adc);
675 }
676 fTreeD->Fill();
677 ResetDigit();
678 }
679 fPMDLoader->WriteDigits("OVERWRITE");
680 // cout << " -------- End of SDigits2Digit ----------- " << endl;
681}
682
683void AliPMDDigitizer::TrackAssignment2Cell()
684{
685 //
686 // This block assigns the cell id when there are
687 // multiple tracks in a cell according to the
688 // energy deposition
689 //
690 Bool_t jsort = false;
691
692 Int_t i, j, k;
693
694 Float_t *fracEdp;
695 Float_t *trEdp;
696 Int_t *status1;
697 Int_t *status2;
698 Int_t *trnarray;
699 Int_t ****pmdTrack;
700 Float_t ****pmdEdep;
701
702 pmdTrack = new Int_t ***[fgkTotUM];
703 pmdEdep = new Float_t ***[fgkTotUM];
704 for (i=0; i<fgkTotUM; i++)
705 {
706 pmdTrack[i] = new Int_t **[fgkRow];
707 pmdEdep[i] = new Float_t **[fgkRow];
708 }
709
710 for (i = 0; i < fgkTotUM; i++)
711 {
712 for (j = 0; j < fgkRow; j++)
713 {
714 pmdTrack[i][j] = new Int_t *[fgkCol];
715 pmdEdep[i][j] = new Float_t *[fgkCol];
716 }
717 }
718
719 for (i = 0; i < fgkTotUM; i++)
720 {
721 for (j = 0; j < fgkRow; j++)
722 {
723 for (k = 0; k < fgkCol; k++)
724 {
725 Int_t nn = fPRECounter[i][j][k];
726 if(nn > 0)
727 {
728 pmdTrack[i][j][k] = new Int_t[nn];
729 pmdEdep[i][j][k] = new Float_t[nn];
730 }
731 else
732 {
733 nn = 1;
734 pmdTrack[i][j][k] = new Int_t[nn];
735 pmdEdep[i][j][k] = new Float_t[nn];
736 }
737 fPRECounter[i][j][k] = 0;
738 }
739 }
740 }
741
742
743 Int_t nentries = fCell->GetEntries();
744
745 Int_t mtrackno, ism, ixp, iyp;
746 Float_t edep;
747
748 for (i = 0; i < nentries; i++)
749 {
750 fPMDcell = (AliPMDcell*)fCell->UncheckedAt(i);
751
752 mtrackno = fPMDcell->GetTrackNumber();
753 ism = fPMDcell->GetSMNumber();
754 ixp = fPMDcell->GetX();
755 iyp = fPMDcell->GetY();
756 edep = fPMDcell->GetEdep();
757 Int_t nn = fPRECounter[ism][ixp][iyp];
758 // cout << " nn = " << nn << endl;
759 pmdTrack[ism][ixp][iyp][nn] = (Int_t) mtrackno;
760 pmdEdep[ism][ixp][iyp][nn] = edep;
761 fPRECounter[ism][ixp][iyp]++;
762 }
763
764 Int_t iz, il;
765 Int_t im, ix, iy;
766 Int_t nn;
767
768 for (im=0; im<fgkTotUM; im++)
769 {
770 for (ix=0; ix<fgkRow; ix++)
771 {
772 for (iy=0; iy<fgkCol; iy++)
773 {
774 nn = fPRECounter[im][ix][iy];
775 if (nn > 1)
776 {
777 // This block handles if a cell is fired
778 // many times by many tracks
779 status1 = new Int_t[nn];
780 status2 = new Int_t[nn];
781 trnarray = new Int_t[nn];
782 for (iz = 0; iz < nn; iz++)
783 {
784 status1[iz] = pmdTrack[im][ix][iy][iz];
785 }
786 TMath::Sort(nn,status1,status2,jsort);
787 Int_t trackOld = -99999;
788 Int_t track, trCount = 0;
789 for (iz = 0; iz < nn; iz++)
790 {
791 track = status1[status2[iz]];
792 if (trackOld != track)
793 {
794 trnarray[trCount] = track;
795 trCount++;
796 }
797 trackOld = track;
798 }
799 delete status1;
800 delete status2;
801 Float_t totEdp = 0.;
802 trEdp = new Float_t[trCount];
803 fracEdp = new Float_t[trCount];
804 for (il = 0; il < trCount; il++)
805 {
806 trEdp[il] = 0.;
807 track = trnarray[il];
808 for (iz = 0; iz < nn; iz++)
809 {
810 if (track == pmdTrack[im][ix][iy][iz])
811 {
812 trEdp[il] += pmdEdep[im][ix][iy][iz];
813 }
814 }
815 totEdp += trEdp[il];
816 }
817 Int_t ilOld = 0;
818 Float_t fracOld = 0.;
819
820 for (il = 0; il < trCount; il++)
821 {
822 fracEdp[il] = trEdp[il]/totEdp;
823 if (fracOld < fracEdp[il])
824 {
825 fracOld = fracEdp[il];
826 ilOld = il;
827 }
828 }
829 fPRETrackNo[im][ix][iy] = trnarray[ilOld];
830 delete fracEdp;
831 delete trEdp;
832 delete trnarray;
833 }
834 else if (nn == 1)
835 {
836 // This only handles if a cell is fired
837 // by only one track
838
839 fPRETrackNo[im][ix][iy] = pmdTrack[im][ix][iy][0];
840
841 }
842 else if (nn ==0)
843 {
844 // This is if no cell is fired
845 fPRETrackNo[im][ix][iy] = -999;
846 }
847 } // end of iy
848 } // end of ix
849 } // end of im
850
851 // Delete all the pointers
852
853 for (i = 0; i < fgkTotUM; i++)
854 {
855 for (j = 0; j < fgkRow; j++)
856 {
857 for (k = 0; k < fgkCol; k++)
858 {
859 delete [] pmdTrack[i][j][k];
860 delete [] pmdEdep[i][j][k];
861 }
862 }
863 }
864
865 for (i = 0; i < fgkTotUM; i++)
866 {
867 for (j = 0; j < fgkRow; j++)
868 {
869 delete [] pmdTrack[i][j];
870 delete [] pmdEdep[i][j];
871 }
872 }
873
874 for (i = 0; i < fgkTotUM; i++)
875 {
876 delete [] pmdTrack[i];
877 delete [] pmdEdep[i];
878 }
879 delete pmdTrack;
880 delete pmdEdep;
881 //
882 // End of the cell id assignment
883 //
884}
885
886void AliPMDDigitizer::MeV2ADC(Float_t mev, Float_t & adc) const
887{
888 // This converts the simulated edep to ADC according to the
889 // Test Beam Data
890 // To be done
891 //
892 adc = mev*1.;
893}
894void AliPMDDigitizer::AddSDigit(Int_t trnumber, Int_t det, Int_t smnumber,
895 Int_t cellnumber, Float_t adc)
896{
897 // Add SDigit
898 //
899 TClonesArray &lsdigits = *fSDigits;
900 AliPMDsdigit *newcell;
901 newcell = new AliPMDsdigit(trnumber,det,smnumber,cellnumber,adc);
902 new(lsdigits[fNsdigit++]) AliPMDsdigit(newcell);
903 delete newcell;
904}
905
906void AliPMDDigitizer::AddDigit(Int_t trnumber, Int_t det, Int_t smnumber,
907 Int_t cellnumber, Float_t adc)
908{
909 // Add Digit
910 //
911 TClonesArray &ldigits = *fDigits;
912 AliPMDdigit *newcell;
913 newcell = new AliPMDdigit(trnumber,det,smnumber,cellnumber,adc);
914 new(ldigits[fNdigit++]) AliPMDdigit(newcell);
915 delete newcell;
916}
917
918void AliPMDDigitizer::SetZPosition(Float_t zpos)
919{
920 fZPos = zpos;
921}
922Float_t AliPMDDigitizer::GetZPosition() const
923{
924 return fZPos;
925}
926
927void AliPMDDigitizer::ResetCell()
928{
929 // clears the cell array and also the counter
930 // for each cell
931 //
932 fCell->Clear();
933 for (Int_t i = 0; i < fgkTotUM; i++)
934 {
935 for (Int_t j = 0; j < fgkRow; j++)
936 {
937 for (Int_t k = 0; k < fgkCol; k++)
938 {
939 fPRECounter[i][j][k] = 0;
940 }
941 }
942 }
943}
944void AliPMDDigitizer::ResetSDigit()
945{
946 // Clears SDigits
947 fNsdigit = 0;
948 if (fSDigits) fSDigits->Clear();
949}
950void AliPMDDigitizer::ResetDigit()
951{
952 // Clears Digits
953 fNdigit = 0;
954 if (fDigits) fDigits->Clear();
955}
956
957void AliPMDDigitizer::ResetCellADC()
958{
959 // Clears individual cells edep
960 for (Int_t i = 0; i < fgkTotUM; i++)
961 {
962 for (Int_t j = 0; j < fgkRow; j++)
963 {
964 for (Int_t k = 0; k < fgkCol; k++)
965 {
966 fCPV[i][j][k] = 0.;
967 fPRE[i][j][k] = 0.;
968 }
969 }
970 }
971}
972
973void AliPMDDigitizer::UnLoad(Option_t *option)
974{
975 // Unloads all the root files
976 //
977 const char *cS = strstr(option,"S");
978 const char *cD = strstr(option,"D");
979
980 fRunLoader->UnloadgAlice();
981 fRunLoader->UnloadHeader();
982 fRunLoader->UnloadKinematics();
983
984 if (cS)
985 {
986 fPMDLoader->UnloadHits();
987 }
988 if (cD)
989 {
990 fPMDLoader->UnloadHits();
991 fPMDLoader->UnloadSDigits();
992 }
993}