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3fe61b77 | 1 | |
f7336fa3 | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
88cb7938 | 17 | /* $Id$ */ |
f7336fa3 | 18 | |
19 | /////////////////////////////////////////////////////////////////////////////// | |
20 | // // | |
3fe61b77 | 21 | // TRD cluster finder // |
f7336fa3 | 22 | // // |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
3fe61b77 | 25 | #include <TF1.h> |
94de3818 | 26 | #include <TTree.h> |
3fe61b77 | 27 | #include <TH1.h> |
793ff80c | 28 | #include <TFile.h> |
6d50f529 | 29 | #include <TObjArray.h> |
f7336fa3 | 30 | |
88cb7938 | 31 | #include "AliRunLoader.h" |
32 | #include "AliLoader.h" | |
3fe61b77 | 33 | #include "AliRawReader.h" |
6d50f529 | 34 | #include "AliLog.h" |
3fe61b77 | 35 | #include "AliAlignObj.h" |
88cb7938 | 36 | |
f7336fa3 | 37 | #include "AliTRDclusterizer.h" |
3e1a3ad8 | 38 | #include "AliTRDcluster.h" |
793ff80c | 39 | #include "AliTRDgeometry.h" |
3fe61b77 | 40 | #include "AliTRDdataArrayF.h" |
41 | #include "AliTRDdataArrayI.h" | |
42 | #include "AliTRDdigitsManager.h" | |
43 | #include "AliTRDrawData.h" | |
3551db50 | 44 | #include "AliTRDcalibDB.h" |
3fe61b77 | 45 | #include "AliTRDSimParam.h" |
46 | #include "AliTRDRecParam.h" | |
b43a3e17 | 47 | #include "AliTRDCommonParam.h" |
3fe61b77 | 48 | #include "AliTRDtransform.h" |
49 | #include "AliTRDSignalIndex.h" | |
50 | #include "AliTRDRawStream.h" | |
51 | #include "AliTRDRawStreamV2.h" | |
52 | #include "AliTRDfeeParam.h" | |
53 | ||
54 | #include "Cal/AliTRDCalROC.h" | |
55 | #include "Cal/AliTRDCalDet.h" | |
f7336fa3 | 56 | |
57 | ClassImp(AliTRDclusterizer) | |
58 | ||
59 | //_____________________________________________________________________________ | |
6d50f529 | 60 | AliTRDclusterizer::AliTRDclusterizer() |
61 | :TNamed() | |
62 | ,fRunLoader(NULL) | |
63 | ,fClusterTree(NULL) | |
64 | ,fRecPoints(NULL) | |
3fe61b77 | 65 | ,fDigitsManager(NULL) |
66 | ,fAddLabels(kTRUE) | |
67 | ,fRawVersion(2) | |
68 | ,fIndexesOut(NULL) | |
69 | ,fIndexesMaxima(NULL) | |
70 | ,fTransform(NULL) | |
f7336fa3 | 71 | { |
72 | // | |
73 | // AliTRDclusterizer default constructor | |
74 | // | |
75 | ||
3fe61b77 | 76 | fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion(); |
77 | ||
f7336fa3 | 78 | } |
79 | ||
80 | //_____________________________________________________________________________ | |
3fe61b77 | 81 | AliTRDclusterizer::AliTRDclusterizer(const Text_t *name, const Text_t *title) |
6d50f529 | 82 | :TNamed(name,title) |
83 | ,fRunLoader(NULL) | |
84 | ,fClusterTree(NULL) | |
85 | ,fRecPoints(NULL) | |
3fe61b77 | 86 | ,fDigitsManager(new AliTRDdigitsManager()) |
87 | ,fAddLabels(kTRUE) | |
88 | ,fRawVersion(2) | |
89 | ,fIndexesOut(NULL) | |
90 | ,fIndexesMaxima(NULL) | |
91 | ,fTransform(new AliTRDtransform(0)) | |
f7336fa3 | 92 | { |
93 | // | |
6d50f529 | 94 | // AliTRDclusterizer constructor |
f7336fa3 | 95 | // |
96 | ||
3fe61b77 | 97 | fDigitsManager->CreateArrays(); |
98 | ||
99 | fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion(); | |
100 | ||
f7336fa3 | 101 | } |
102 | ||
8230f242 | 103 | //_____________________________________________________________________________ |
6d50f529 | 104 | AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c) |
105 | :TNamed(c) | |
106 | ,fRunLoader(NULL) | |
107 | ,fClusterTree(NULL) | |
108 | ,fRecPoints(NULL) | |
3fe61b77 | 109 | ,fDigitsManager(NULL) |
110 | ,fAddLabels(kTRUE) | |
111 | ,fRawVersion(2) | |
112 | ,fIndexesOut(NULL) | |
113 | ,fIndexesMaxima(NULL) | |
114 | ,fTransform(NULL) | |
8230f242 | 115 | { |
116 | // | |
117 | // AliTRDclusterizer copy constructor | |
118 | // | |
119 | ||
8230f242 | 120 | } |
121 | ||
f7336fa3 | 122 | //_____________________________________________________________________________ |
123 | AliTRDclusterizer::~AliTRDclusterizer() | |
124 | { | |
8230f242 | 125 | // |
126 | // AliTRDclusterizer destructor | |
127 | // | |
f7336fa3 | 128 | |
3fe61b77 | 129 | if (fRecPoints) |
130 | { | |
131 | fRecPoints->Delete(); | |
132 | delete fRecPoints; | |
133 | } | |
134 | ||
135 | if (fDigitsManager) | |
136 | { | |
137 | delete fDigitsManager; | |
138 | fDigitsManager = NULL; | |
139 | } | |
140 | ||
141 | if (fIndexesOut) | |
142 | { | |
143 | delete fIndexesOut; | |
144 | fIndexesOut = NULL; | |
145 | } | |
146 | ||
147 | if (fIndexesMaxima) | |
148 | { | |
149 | delete fIndexesMaxima; | |
150 | fIndexesMaxima = NULL; | |
151 | } | |
152 | ||
153 | if (fTransform) | |
154 | { | |
155 | delete fTransform; | |
156 | fTransform = NULL; | |
157 | } | |
6d50f529 | 158 | |
f7336fa3 | 159 | } |
160 | ||
8230f242 | 161 | //_____________________________________________________________________________ |
dd9a6ee3 | 162 | AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c) |
163 | { | |
164 | // | |
165 | // Assignment operator | |
166 | // | |
167 | ||
3fe61b77 | 168 | if (this != &c) |
169 | { | |
170 | ((AliTRDclusterizer &) c).Copy(*this); | |
171 | } | |
dd9a6ee3 | 172 | return *this; |
173 | ||
174 | } | |
175 | ||
176 | //_____________________________________________________________________________ | |
e0d47c25 | 177 | void AliTRDclusterizer::Copy(TObject &c) const |
8230f242 | 178 | { |
179 | // | |
180 | // Copy function | |
181 | // | |
182 | ||
3fe61b77 | 183 | ((AliTRDclusterizer &) c).fClusterTree = NULL; |
184 | ((AliTRDclusterizer &) c).fRecPoints = NULL; | |
185 | ((AliTRDclusterizer &) c).fDigitsManager = NULL; | |
186 | ((AliTRDclusterizer &) c).fAddLabels = fAddLabels; | |
187 | ((AliTRDclusterizer &) c).fRawVersion = fRawVersion; | |
188 | ((AliTRDclusterizer &) c).fIndexesOut = NULL; | |
189 | ((AliTRDclusterizer &) c).fIndexesMaxima = NULL; | |
190 | ((AliTRDclusterizer &) c).fTransform = NULL; | |
8230f242 | 191 | |
192 | } | |
193 | ||
f7336fa3 | 194 | //_____________________________________________________________________________ |
3e1a3ad8 | 195 | Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent) |
f7336fa3 | 196 | { |
197 | // | |
3e1a3ad8 | 198 | // Opens the AliROOT file. Output and input are in the same file |
f7336fa3 | 199 | // |
6d50f529 | 200 | |
e191bb57 | 201 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
6d50f529 | 202 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
203 | ||
204 | if (!fRunLoader) { | |
19dd5b2f | 205 | fRunLoader = AliRunLoader::Open(name); |
6d50f529 | 206 | } |
207 | ||
208 | if (!fRunLoader) { | |
209 | AliError(Form("Can not open session for file %s.",name)); | |
210 | return kFALSE; | |
211 | } | |
88cb7938 | 212 | |
213 | OpenInput(nEvent); | |
214 | OpenOutput(); | |
6d50f529 | 215 | |
3e1a3ad8 | 216 | return kTRUE; |
f7336fa3 | 217 | |
6d50f529 | 218 | } |
3e1a3ad8 | 219 | |
220 | //_____________________________________________________________________________ | |
88cb7938 | 221 | Bool_t AliTRDclusterizer::OpenOutput() |
3e1a3ad8 | 222 | { |
223 | // | |
224 | // Open the output file | |
225 | // | |
226 | ||
3e1a3ad8 | 227 | TObjArray *ioArray = 0; |
88cb7938 | 228 | |
229 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
230 | loader->MakeTree("R"); | |
6d50f529 | 231 | |
88cb7938 | 232 | fClusterTree = loader->TreeR(); |
365d0374 | 233 | fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
3e1a3ad8 | 234 | |
3e1a3ad8 | 235 | return kTRUE; |
236 | ||
237 | } | |
238 | ||
25ca55ce | 239 | //_____________________________________________________________________________ |
240 | Bool_t AliTRDclusterizer::OpenOutput(TTree *clusterTree) | |
241 | { | |
242 | // | |
243 | // Connect the output tree | |
244 | // | |
245 | ||
246 | TObjArray *ioArray = 0; | |
247 | ||
248 | fClusterTree = clusterTree; | |
249 | fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); | |
250 | ||
251 | return kTRUE; | |
252 | ||
253 | } | |
254 | ||
3e1a3ad8 | 255 | //_____________________________________________________________________________ |
88cb7938 | 256 | Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent) |
f7336fa3 | 257 | { |
258 | // | |
259 | // Opens a ROOT-file with TRD-hits and reads in the digits-tree | |
260 | // | |
261 | ||
f7336fa3 | 262 | // Import the Trees for the event nEvent in the file |
bdbb05bb | 263 | fRunLoader->GetEvent(nEvent); |
88cb7938 | 264 | |
f7336fa3 | 265 | return kTRUE; |
266 | ||
267 | } | |
268 | ||
269 | //_____________________________________________________________________________ | |
793ff80c | 270 | Bool_t AliTRDclusterizer::WriteClusters(Int_t det) |
f7336fa3 | 271 | { |
272 | // | |
3e1a3ad8 | 273 | // Fills TRDcluster branch in the tree with the clusters |
793ff80c | 274 | // found in detector = det. For det=-1 writes the tree. |
a3c76cdc | 275 | // |
793ff80c | 276 | |
6d50f529 | 277 | if ((det < -1) || |
278 | (det >= AliTRDgeometry::Ndet())) { | |
279 | AliError(Form("Unexpected detector index %d.\n",det)); | |
3e1a3ad8 | 280 | return kFALSE; |
793ff80c | 281 | } |
3e1a3ad8 | 282 | |
3e1a3ad8 | 283 | TBranch *branch = fClusterTree->GetBranch("TRDcluster"); |
284 | if (!branch) { | |
793ff80c | 285 | TObjArray *ioArray = 0; |
3e1a3ad8 | 286 | branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
793ff80c | 287 | } |
288 | ||
6d50f529 | 289 | if ((det >= 0) && |
290 | (det < AliTRDgeometry::Ndet())) { | |
793ff80c | 291 | |
bdbb05bb | 292 | Int_t nRecPoints = RecPoints()->GetEntriesFast(); |
3e1a3ad8 | 293 | TObjArray *detRecPoints = new TObjArray(400); |
294 | ||
295 | for (Int_t i = 0; i < nRecPoints; i++) { | |
bdbb05bb | 296 | AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); |
3e1a3ad8 | 297 | if (det == c->GetDetector()) { |
298 | detRecPoints->AddLast(c); | |
299 | } | |
300 | else { | |
3fe61b77 | 301 | AliError(Form("Attempt to write a cluster with unexpected detector index: got=%d expected=%d\n" |
302 | ,c->GetDetector() | |
303 | ,det)); | |
3e1a3ad8 | 304 | } |
793ff80c | 305 | } |
306 | ||
3e1a3ad8 | 307 | branch->SetAddress(&detRecPoints); |
308 | fClusterTree->Fill(); | |
309 | ||
d9b8978b | 310 | delete detRecPoints; |
ecf39416 | 311 | |
793ff80c | 312 | return kTRUE; |
3e1a3ad8 | 313 | |
793ff80c | 314 | } |
315 | ||
316 | if (det == -1) { | |
317 | ||
6d50f529 | 318 | AliInfo(Form("Writing the cluster tree %s for event %d." |
319 | ,fClusterTree->GetName(),fRunLoader->GetEventNumber())); | |
320 | ||
a6dd11e9 | 321 | if (fRecPoints) { |
322 | ||
323 | branch->SetAddress(&fRecPoints); | |
324 | ||
325 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
326 | loader->WriteRecPoints("OVERWRITE"); | |
c630aafd | 327 | |
a6dd11e9 | 328 | } |
329 | else { | |
330 | ||
331 | AliError("Cluster tree does not exist. Cannot write clusters.\n"); | |
332 | return kFALSE; | |
333 | ||
334 | } | |
335 | ||
793ff80c | 336 | return kTRUE; |
3e1a3ad8 | 337 | |
793ff80c | 338 | } |
6d50f529 | 339 | |
340 | AliError(Form("Unexpected detector index %d.\n",det)); | |
3e1a3ad8 | 341 | |
793ff80c | 342 | return kFALSE; |
88cb7938 | 343 | |
f7336fa3 | 344 | } |
793ff80c | 345 | |
3551db50 | 346 | //_____________________________________________________________________________ |
3fe61b77 | 347 | void AliTRDclusterizer::ResetHelperIndexes(AliTRDSignalIndex *indexesIn) |
348 | { | |
349 | // | |
350 | // Reset the helper indexes | |
351 | // | |
352 | ||
353 | if (fIndexesOut) | |
354 | { | |
355 | // carefull here - we assume that only row number may change - most probable | |
356 | if (indexesIn->GetNrow() <= fIndexesOut->GetNrow()) | |
357 | fIndexesOut->ResetContent(); | |
358 | else | |
359 | fIndexesOut->ResetContentConditional(indexesIn->GetNrow() | |
360 | , indexesIn->GetNcol() | |
361 | , indexesIn->GetNtime()); | |
362 | } | |
363 | else | |
364 | { | |
365 | fIndexesOut = new AliTRDSignalIndex(indexesIn->GetNrow() | |
366 | , indexesIn->GetNcol() | |
367 | , indexesIn->GetNtime()); | |
368 | } | |
369 | ||
370 | if (fIndexesMaxima) | |
371 | { | |
372 | // carefull here - we assume that only row number may change - most probable | |
373 | if (indexesIn->GetNrow() <= fIndexesMaxima->GetNrow()) | |
374 | { | |
375 | fIndexesMaxima->ResetContent(); | |
376 | } | |
377 | else | |
378 | { | |
379 | fIndexesMaxima->ResetContentConditional(indexesIn->GetNrow() | |
380 | , indexesIn->GetNcol() | |
381 | , indexesIn->GetNtime()); | |
382 | } | |
383 | } | |
384 | else | |
385 | { | |
386 | fIndexesMaxima = new AliTRDSignalIndex(indexesIn->GetNrow() | |
387 | , indexesIn->GetNcol() | |
388 | , indexesIn->GetNtime()); | |
389 | } | |
390 | ||
391 | } | |
392 | ||
393 | //_____________________________________________________________________________ | |
394 | Bool_t AliTRDclusterizer::ReadDigits() | |
395 | { | |
396 | // | |
397 | // Reads the digits arrays from the input aliroot file | |
398 | // | |
399 | ||
400 | if (!fRunLoader) { | |
401 | AliError("No run loader available"); | |
402 | return kFALSE; | |
403 | } | |
404 | ||
405 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
406 | if (!loader->TreeD()) { | |
407 | loader->LoadDigits(); | |
408 | } | |
409 | ||
410 | // Read in the digit arrays | |
411 | return (fDigitsManager->ReadDigits(loader->TreeD())); | |
412 | ||
413 | } | |
414 | ||
415 | //_____________________________________________________________________________ | |
416 | Bool_t AliTRDclusterizer::ReadDigits(TTree *digitsTree) | |
417 | { | |
418 | // | |
419 | // Reads the digits arrays from the input tree | |
420 | // | |
421 | ||
422 | // Read in the digit arrays | |
423 | return (fDigitsManager->ReadDigits(digitsTree)); | |
424 | ||
425 | } | |
426 | ||
427 | //_____________________________________________________________________________ | |
428 | Bool_t AliTRDclusterizer::ReadDigits(AliRawReader *rawReader) | |
429 | { | |
430 | // | |
431 | // Reads the digits arrays from the ddl file | |
432 | // | |
433 | ||
434 | AliTRDrawData raw; | |
435 | fDigitsManager = raw.Raw2Digits(rawReader); | |
436 | ||
437 | return kTRUE; | |
438 | ||
439 | } | |
440 | ||
441 | //_____________________________________________________________________________ | |
442 | Bool_t AliTRDclusterizer::MakeClusters() | |
443 | { | |
444 | // | |
445 | // Creates clusters from digits | |
446 | // | |
447 | ||
448 | // Propagate info from the digits manager | |
449 | if (fAddLabels == kTRUE) | |
450 | { | |
451 | fAddLabels = fDigitsManager->UsesDictionaries(); | |
452 | } | |
453 | ||
454 | Bool_t fReturn = kTRUE; | |
455 | for (Int_t i = 0; i < AliTRDgeometry::kNdet; i++) | |
456 | { | |
457 | ||
458 | AliTRDdataArrayI *digitsIn = fDigitsManager->GetDigits(i); | |
459 | // This is to take care of switched off super modules | |
460 | if (digitsIn->GetNtime() == 0) | |
461 | { | |
462 | continue; | |
463 | } | |
464 | digitsIn->Expand(); | |
465 | AliTRDSignalIndex* indexes = fDigitsManager->GetIndexes(i); | |
466 | if (indexes->IsAllocated() == kFALSE) | |
467 | { | |
468 | fDigitsManager->BuildIndexes(i); | |
469 | } | |
470 | ||
471 | Bool_t fR = kFALSE; | |
472 | if (indexes->HasEntry()) | |
473 | { | |
474 | if (fAddLabels) | |
475 | { | |
476 | for (Int_t iDict = 0; iDict < AliTRDdigitsManager::kNDict; iDict++) | |
477 | { | |
478 | AliTRDdataArrayI *tracksIn = 0; | |
479 | tracksIn = fDigitsManager->GetDictionary(i,iDict); | |
480 | tracksIn->Expand(); | |
481 | } | |
482 | } | |
483 | fR = MakeClusters(i); | |
484 | fReturn = fR && fReturn; | |
485 | } | |
486 | ||
487 | if (fR == kFALSE) | |
488 | { | |
489 | WriteClusters(i); | |
490 | ResetRecPoints(); | |
491 | } | |
492 | ||
493 | // No compress just remove | |
494 | fDigitsManager->RemoveDigits(i); | |
495 | fDigitsManager->RemoveDictionaries(i); | |
496 | fDigitsManager->ClearIndexes(i); | |
497 | ||
498 | } | |
499 | ||
500 | return fReturn; | |
501 | ||
502 | } | |
503 | ||
504 | //_____________________________________________________________________________ | |
505 | Bool_t AliTRDclusterizer::Raw2Clusters(AliRawReader *rawReader) | |
506 | { | |
507 | // | |
508 | // Creates clusters from raw data | |
509 | // | |
510 | ||
511 | AliTRDdataArrayI *digits = 0; | |
512 | AliTRDdataArrayI *track0 = 0; | |
513 | AliTRDdataArrayI *track1 = 0; | |
514 | AliTRDdataArrayI *track2 = 0; | |
515 | ||
516 | AliTRDSignalIndex *indexes = 0; | |
517 | ||
518 | // Create the digits manager | |
519 | if (!fDigitsManager) | |
520 | { | |
521 | fDigitsManager = new AliTRDdigitsManager(); | |
522 | fDigitsManager->CreateArrays(); | |
523 | } | |
524 | ||
525 | AliTRDRawStreamV2 input(rawReader); | |
526 | input.SetRawVersion( fRawVersion ); | |
527 | input.Init(); | |
528 | ||
529 | AliInfo(Form("Stream version: %s", input.IsA()->GetName())); | |
530 | ||
531 | // Loop through the digits | |
532 | Int_t lastdet = -1; | |
533 | Int_t det = 0; | |
534 | Int_t it = 0; | |
535 | while (input.Next()) | |
536 | { | |
537 | ||
538 | det = input.GetDet(); | |
539 | ||
540 | if (det != lastdet) | |
541 | { | |
542 | ||
543 | if (lastdet != -1) | |
544 | { | |
545 | digits = fDigitsManager->GetDigits(lastdet); | |
546 | Bool_t iclusterBranch = kFALSE; | |
547 | if (indexes->HasEntry()) | |
548 | iclusterBranch = MakeClusters(lastdet); | |
549 | if (iclusterBranch == kFALSE) | |
550 | { | |
551 | WriteClusters(lastdet); | |
552 | ResetRecPoints(); | |
553 | } | |
554 | } | |
555 | ||
556 | if (digits) | |
557 | { | |
558 | fDigitsManager->RemoveDigits(lastdet); | |
559 | fDigitsManager->RemoveDictionaries(lastdet); | |
560 | fDigitsManager->ClearIndexes(lastdet); | |
561 | } | |
562 | ||
563 | lastdet = det; | |
564 | ||
565 | // Add a container for the digits of this detector | |
566 | digits = fDigitsManager->GetDigits(det); | |
567 | track0 = fDigitsManager->GetDictionary(det,0); | |
568 | track1 = fDigitsManager->GetDictionary(det,1); | |
569 | track2 = fDigitsManager->GetDictionary(det,2); | |
570 | ||
571 | // Allocate memory space for the digits buffer | |
572 | if (digits->GetNtime() == 0) | |
573 | { | |
574 | //AliDebug(5, Form("Alloc digits for det %d", det)); | |
575 | digits->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins()); | |
576 | track0->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins()); | |
577 | track1->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins()); | |
578 | track2->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins()); | |
579 | } | |
580 | ||
581 | indexes = fDigitsManager->GetIndexes(det); | |
582 | indexes->SetSM(input.GetSM()); | |
583 | indexes->SetStack(input.GetStack()); | |
584 | indexes->SetLayer(input.GetLayer()); | |
585 | indexes->SetDetNumber(det); | |
586 | if (indexes->IsAllocated() == kFALSE) | |
587 | { | |
588 | indexes->Allocate(input.GetMaxRow(), input.GetMaxCol(), input.GetNumberOfTimeBins()); | |
589 | } | |
590 | ||
591 | } | |
592 | ||
593 | for (it = 0; it < 3; it++) | |
594 | { | |
595 | if ( input.GetTimeBin() + it < input.GetNumberOfTimeBins() ) | |
596 | { | |
597 | if (input.GetSignals()[it] > 0) | |
598 | { | |
599 | digits->SetDataUnchecked(input.GetRow(), input.GetCol(), | |
600 | input.GetTimeBin() + it, input.GetSignals()[it]); | |
601 | ||
602 | indexes->AddIndexTBin(input.GetRow(), input.GetCol(), | |
603 | input.GetTimeBin() + it); | |
604 | track0->SetDataUnchecked(input.GetRow(), input.GetCol(), | |
605 | input.GetTimeBin() + it, 0); | |
606 | track1->SetDataUnchecked(input.GetRow(), input.GetCol(), | |
607 | input.GetTimeBin() + it, 0); | |
608 | track2->SetDataUnchecked(input.GetRow(), input.GetCol(), | |
609 | input.GetTimeBin() + it, 0); | |
610 | } | |
611 | } | |
612 | } | |
613 | ||
614 | } | |
615 | ||
616 | if (lastdet != -1) | |
617 | { | |
618 | Bool_t iclusterBranch = kFALSE; | |
619 | if (indexes->HasEntry()) | |
620 | { | |
621 | iclusterBranch = MakeClusters(lastdet); | |
622 | } | |
623 | if (iclusterBranch == kFALSE) | |
624 | { | |
625 | WriteClusters(lastdet); | |
626 | ResetRecPoints(); | |
627 | } | |
628 | //MakeClusters(lastdet); | |
629 | if (digits) | |
630 | { | |
631 | fDigitsManager->RemoveDigits(lastdet); | |
632 | fDigitsManager->RemoveDictionaries(lastdet); | |
633 | fDigitsManager->ClearIndexes(lastdet); | |
634 | } | |
635 | } | |
636 | ||
637 | delete fDigitsManager; | |
638 | fDigitsManager = NULL; | |
639 | return kTRUE; | |
640 | ||
641 | } | |
642 | ||
643 | //_____________________________________________________________________________ | |
644 | Bool_t AliTRDclusterizer::Raw2ClustersChamber(AliRawReader *rawReader) | |
645 | { | |
646 | // | |
647 | // Creates clusters from raw data | |
648 | // | |
649 | ||
650 | // Create the digits manager | |
651 | if (!fDigitsManager) | |
652 | { | |
653 | fDigitsManager = new AliTRDdigitsManager(); | |
654 | fDigitsManager->CreateArrays(); | |
655 | } | |
656 | ||
657 | fDigitsManager->SetUseDictionaries(fAddLabels); | |
658 | ||
659 | AliTRDRawStreamV2 input(rawReader); | |
660 | input.SetRawVersion( fRawVersion ); | |
661 | input.Init(); | |
662 | ||
663 | AliInfo(Form("Stream version: %s", input.IsA()->GetName())); | |
664 | ||
665 | Int_t det = 0; | |
666 | while ((det = input.NextChamber(fDigitsManager)) >= 0) | |
667 | { | |
668 | Bool_t iclusterBranch = kFALSE; | |
669 | if (fDigitsManager->GetIndexes(det)->HasEntry()) | |
670 | { | |
671 | iclusterBranch = MakeClusters(det); | |
672 | } | |
673 | if (iclusterBranch == kFALSE) | |
674 | { | |
675 | WriteClusters(det); | |
676 | ResetRecPoints(); | |
677 | } | |
678 | fDigitsManager->RemoveDigits(det); | |
679 | fDigitsManager->RemoveDictionaries(det); | |
680 | fDigitsManager->ClearIndexes(det); | |
681 | } | |
682 | ||
683 | delete fDigitsManager; | |
684 | fDigitsManager = NULL; | |
685 | return kTRUE; | |
686 | ||
687 | } | |
688 | ||
689 | //_____________________________________________________________________________ | |
690 | Bool_t AliTRDclusterizer::MakeClusters(Int_t det) | |
691 | { | |
692 | // | |
693 | // Generates the cluster. | |
694 | // | |
695 | ||
696 | // Get the digits | |
697 | // digits should be expanded beforehand! | |
698 | // digitsIn->Expand(); | |
699 | AliTRDdataArrayI *digitsIn = fDigitsManager->GetDigits(det); | |
700 | ||
701 | // This is to take care of switched off super modules | |
702 | if (digitsIn->GetNtime() == 0) | |
703 | { | |
704 | return kFALSE; | |
705 | } | |
706 | ||
707 | AliTRDSignalIndex *indexesIn = fDigitsManager->GetIndexes(det); | |
708 | if (indexesIn->IsAllocated() == kFALSE) | |
709 | { | |
710 | AliError("Indexes do not exist!"); | |
711 | return kFALSE; | |
712 | } | |
713 | ||
714 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); | |
715 | if (!calibration) | |
716 | { | |
717 | AliFatal("No AliTRDcalibDB instance available\n"); | |
718 | return kFALSE; | |
719 | } | |
720 | ||
721 | AliTRDRecParam *recParam = AliTRDRecParam::Instance(); | |
722 | if (!recParam) | |
723 | { | |
724 | AliError("No AliTRDRecParam instance available\n"); | |
725 | return kFALSE; | |
726 | } | |
727 | ||
728 | // ADC thresholds | |
729 | // There is no ADC threshold anymore, and simParam should not be used in clusterizer. KO | |
730 | Float_t ADCthreshold = 0; | |
731 | ||
732 | // Threshold value for the maximum | |
733 | Float_t maxThresh = recParam->GetClusMaxThresh(); | |
734 | // Threshold value for the digit signal | |
735 | Float_t sigThresh = recParam->GetClusSigThresh(); | |
736 | ||
737 | // Iteration limit for unfolding procedure | |
738 | const Float_t kEpsilon = 0.01; | |
739 | const Int_t kNclus = 3; | |
740 | const Int_t kNsig = 5; | |
741 | ||
742 | Int_t iUnfold = 0; | |
743 | Double_t ratioLeft = 1.0; | |
744 | Double_t ratioRight = 1.0; | |
745 | ||
746 | Double_t padSignal[kNsig]; | |
747 | Double_t clusterSignal[kNclus]; | |
748 | ||
749 | Int_t icham = indexesIn->GetChamber(); | |
750 | Int_t iplan = indexesIn->GetPlane(); | |
751 | Int_t isect = indexesIn->GetSM(); | |
752 | ||
753 | // Start clustering in the chamber | |
754 | ||
755 | Int_t idet = AliTRDgeometry::GetDetector(iplan,icham,isect); | |
756 | if (idet != det) | |
757 | { | |
758 | AliError("Strange Detector number Missmatch!"); | |
759 | return kFALSE; | |
760 | } | |
761 | ||
762 | // TRD space point transformation | |
763 | fTransform->SetDetector(det); | |
764 | ||
765 | Int_t ilayer = AliGeomManager::kTRD1 + iplan; | |
766 | Int_t imodule = icham + AliTRDgeometry::Ncham() * isect; | |
767 | UShort_t volid = AliGeomManager::LayerToVolUID(ilayer,imodule); | |
768 | ||
769 | Int_t nColMax = digitsIn->GetNcol(); | |
770 | Int_t nTimeTotal = digitsIn->GetNtime(); | |
771 | ||
772 | // Detector wise calibration object for the gain factors | |
773 | const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
774 | // Calibration object with pad wise values for the gain factors | |
775 | AliTRDCalROC *calGainFactorROC = calibration->GetGainFactorROC(idet); | |
776 | // Calibration value for chamber wise gain factor | |
777 | Float_t calGainFactorDetValue = calGainFactorDet->GetValue(idet); | |
778 | ||
779 | Int_t nClusters = 0; | |
780 | ||
781 | AliTRDdataArrayF *digitsOut = new AliTRDdataArrayF(digitsIn->GetNrow() | |
782 | ,digitsIn->GetNcol() | |
783 | ,digitsIn->GetNtime()); | |
784 | ||
785 | ResetHelperIndexes(indexesIn); | |
786 | ||
787 | // Apply the gain and the tail cancelation via digital filter | |
788 | TailCancelation(digitsIn | |
789 | ,digitsOut | |
790 | ,indexesIn | |
791 | ,fIndexesOut | |
792 | ,nTimeTotal | |
793 | ,ADCthreshold | |
794 | ,calGainFactorROC | |
795 | ,calGainFactorDetValue); | |
796 | ||
797 | Int_t row = 0; | |
798 | Int_t col = 0; | |
799 | Int_t time = 0; | |
800 | Int_t iPad = 0; | |
801 | ||
802 | fIndexesOut->ResetCounters(); | |
803 | while (fIndexesOut->NextRCTbinIndex(row, col, time)) | |
804 | { | |
805 | ||
806 | Float_t signalM = TMath::Abs(digitsOut->GetDataUnchecked(row,col,time)); | |
807 | ||
808 | // Look for the maximum | |
809 | if (signalM >= maxThresh) | |
810 | { | |
811 | ||
812 | if (col + 1 >= nColMax || col-1 < 0) | |
813 | continue; | |
814 | ||
815 | Float_t signalL = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time)); | |
816 | Float_t signalR = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time)); | |
817 | ||
818 | if ((TMath::Abs(signalL) <= signalM) && | |
819 | (TMath::Abs(signalR) < signalM)) | |
820 | { | |
821 | if ((TMath::Abs(signalL) >= sigThresh) || | |
822 | (TMath::Abs(signalR) >= sigThresh)) | |
823 | { | |
824 | // Maximum found, mark the position by a negative signal | |
825 | digitsOut->SetDataUnchecked(row,col,time,-signalM); | |
826 | fIndexesMaxima->AddIndexTBin(row,col,time); | |
827 | } | |
828 | } | |
829 | ||
830 | } | |
831 | ||
832 | } | |
833 | ||
834 | // The index to the first cluster of a given ROC | |
835 | Int_t firstClusterROC = -1; | |
836 | // The number of cluster in a given ROC | |
837 | Int_t nClusterROC = 0; | |
838 | ||
839 | // Now check the maxima and calculate the cluster position | |
840 | fIndexesMaxima->ResetCounters(); | |
841 | while (fIndexesMaxima->NextRCTbinIndex(row, col, time)) | |
842 | { | |
843 | ||
844 | // Maximum found ? | |
845 | if (digitsOut->GetDataUnchecked(row,col,time) < 0.0) | |
846 | { | |
847 | ||
848 | for (iPad = 0; iPad < kNclus; iPad++) | |
849 | { | |
850 | Int_t iPadCol = col - 1 + iPad; | |
851 | clusterSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row,iPadCol,time)); | |
852 | } | |
853 | ||
854 | // Count the number of pads in the cluster | |
855 | Int_t nPadCount = 0; | |
856 | Int_t ii; | |
857 | // Look to the left | |
858 | ii = 0; | |
859 | while (TMath::Abs(digitsOut->GetDataUnchecked(row,col-ii ,time)) >= sigThresh) | |
860 | { | |
861 | nPadCount++; | |
862 | ii++; | |
863 | if (col-ii < 0) break; | |
864 | } | |
865 | // Look to the right | |
866 | ii = 0; | |
867 | while (TMath::Abs(digitsOut->GetDataUnchecked(row,col+ii+1,time)) >= sigThresh) | |
868 | { | |
869 | nPadCount++; | |
870 | ii++; | |
871 | if (col+ii+1 >= nColMax) break; | |
872 | } | |
873 | nClusters++; | |
874 | ||
875 | // Look for 5 pad cluster with minimum in the middle | |
876 | Bool_t fivePadCluster = kFALSE; | |
877 | if (col < (nColMax - 3)) | |
878 | { | |
879 | if (digitsOut->GetDataUnchecked(row,col+2,time) < 0) | |
880 | { | |
881 | fivePadCluster = kTRUE; | |
882 | } | |
883 | if ((fivePadCluster) && (col < (nColMax - 5))) | |
884 | { | |
885 | if (digitsOut->GetDataUnchecked(row,col+4,time) >= sigThresh) | |
886 | { | |
887 | fivePadCluster = kFALSE; | |
888 | } | |
889 | } | |
890 | if ((fivePadCluster) && (col > 1)) | |
891 | { | |
892 | if (digitsOut->GetDataUnchecked(row,col-2,time) >= sigThresh) | |
893 | { | |
894 | fivePadCluster = kFALSE; | |
895 | } | |
896 | } | |
897 | } | |
898 | ||
899 | // 5 pad cluster | |
900 | // Modify the signal of the overlapping pad for the left part | |
901 | // of the cluster which remains from a previous unfolding | |
902 | if (iUnfold) | |
903 | { | |
904 | clusterSignal[0] *= ratioLeft; | |
905 | iUnfold = 0; | |
906 | } | |
907 | ||
908 | // Unfold the 5 pad cluster | |
909 | if (fivePadCluster) | |
910 | { | |
911 | for (iPad = 0; iPad < kNsig; iPad++) | |
912 | { | |
913 | padSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row | |
914 | ,col-1+iPad | |
915 | ,time)); | |
916 | } | |
917 | // Unfold the two maxima and set the signal on | |
918 | // the overlapping pad to the ratio | |
919 | ratioRight = Unfold(kEpsilon,iplan,padSignal); | |
920 | ratioLeft = 1.0 - ratioRight; | |
921 | clusterSignal[2] *= ratioRight; | |
922 | iUnfold = 1; | |
923 | } | |
924 | ||
925 | // The position of the cluster in COL direction relative to the center pad (pad units) | |
926 | Double_t clusterPosCol = 0.0; | |
927 | if (recParam->LUTOn()) | |
928 | { | |
929 | // Calculate the position of the cluster by using the | |
930 | // lookup table method | |
931 | clusterPosCol = recParam->LUTposition(iplan | |
932 | ,clusterSignal[0] | |
933 | ,clusterSignal[1] | |
934 | ,clusterSignal[2]); | |
935 | } | |
936 | else | |
937 | { | |
938 | // Calculate the position of the cluster by using the | |
939 | // center of gravity method | |
940 | for (Int_t i = 0; i < kNsig; i++) | |
941 | { | |
942 | padSignal[i] = 0.0; | |
943 | } | |
944 | padSignal[2] = TMath::Abs(digitsOut->GetDataUnchecked(row,col ,time)); // Central pad | |
945 | padSignal[1] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time)); // Left pad | |
946 | padSignal[3] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time)); // Right pad | |
947 | if ((col > 2) && | |
948 | (TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time)) < padSignal[1])) | |
949 | { | |
950 | padSignal[0] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time)); | |
951 | } | |
952 | if ((col < nColMax - 3) && | |
953 | (TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time)) < padSignal[3])) | |
954 | { | |
955 | padSignal[4] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time)); | |
956 | } | |
957 | clusterPosCol = GetCOG(padSignal); | |
958 | } | |
959 | ||
960 | // Store the amplitudes of the pads in the cluster for later analysis | |
961 | Short_t signals[7] = { 0, 0, 0, 0, 0, 0, 0 }; | |
962 | for (Int_t jPad = col-3; jPad <= col+3; jPad++) | |
963 | { | |
964 | if ((jPad < 0) || | |
965 | (jPad >= nColMax-1)) | |
966 | { | |
967 | continue; | |
968 | } | |
969 | signals[jPad-col+3] = TMath::Nint(TMath::Abs(digitsOut->GetDataUnchecked(row,jPad,time))); | |
970 | } | |
971 | ||
972 | // Transform the local cluster coordinates into calibrated | |
973 | // space point positions defined in the local tracking system. | |
974 | // Here the calibration for T0, Vdrift and ExB is applied as well. | |
975 | Double_t clusterXYZ[6]; | |
976 | clusterXYZ[0] = clusterPosCol; | |
977 | clusterXYZ[1] = clusterSignal[0]; | |
978 | clusterXYZ[2] = clusterSignal[1]; | |
979 | clusterXYZ[3] = clusterSignal[2]; | |
980 | clusterXYZ[4] = 0.0; | |
981 | clusterXYZ[5] = 0.0; | |
982 | Int_t clusterRCT[3]; | |
983 | clusterRCT[0] = row; | |
984 | clusterRCT[1] = col; | |
985 | clusterRCT[2] = 0; | |
986 | fTransform->Transform(clusterXYZ,clusterRCT,((UInt_t) time),0); | |
987 | ||
988 | // Add the cluster to the output array | |
989 | // The track indices will be stored later | |
990 | Float_t clusterPos[3]; | |
991 | clusterPos[0] = clusterXYZ[0]; | |
992 | clusterPos[1] = clusterXYZ[1]; | |
993 | clusterPos[2] = clusterXYZ[2]; | |
994 | Float_t clusterSig[2]; | |
995 | clusterSig[0] = clusterXYZ[4]; | |
996 | clusterSig[1] = clusterXYZ[5]; | |
997 | Double_t clusterCharge = clusterXYZ[3]; | |
998 | Char_t clusterTimeBin = ((Char_t) clusterRCT[2]); | |
999 | AliTRDcluster *cluster = new AliTRDcluster(idet | |
1000 | ,clusterCharge | |
1001 | ,clusterPos | |
1002 | ,clusterSig | |
1003 | ,0x0 | |
1004 | ,((Char_t) nPadCount) | |
1005 | ,signals | |
1006 | ,((UChar_t) col) | |
1007 | ,((UChar_t) row) | |
1008 | ,((UChar_t) time) | |
1009 | ,clusterTimeBin | |
1010 | ,clusterPosCol | |
1011 | ,volid); | |
1012 | ||
1013 | // Temporarily store the row, column and time bin of the center pad | |
1014 | // Used to later on assign the track indices | |
1015 | cluster->SetLabel( row,0); | |
1016 | cluster->SetLabel( col,1); | |
1017 | cluster->SetLabel(time,2); | |
1018 | ||
1019 | RecPoints()->Add(cluster); | |
1020 | ||
1021 | // Store the index of the first cluster in the current ROC | |
1022 | if (firstClusterROC < 0) | |
1023 | { | |
1024 | firstClusterROC = RecPoints()->GetEntriesFast() - 1; | |
1025 | } | |
1026 | ||
1027 | // Count the number of cluster in the current ROC | |
1028 | nClusterROC++; | |
1029 | ||
1030 | } // if: Maximum found ? | |
1031 | ||
1032 | } | |
1033 | ||
1034 | delete digitsOut; | |
1035 | ||
1036 | if (fAddLabels) | |
1037 | { | |
1038 | AddLabels(idet, firstClusterROC, nClusterROC); | |
1039 | } | |
1040 | ||
1041 | // Write the cluster and reset the array | |
1042 | WriteClusters(idet); | |
1043 | ResetRecPoints(); | |
1044 | ||
1045 | return kTRUE; | |
1046 | ||
1047 | } | |
1048 | ||
1049 | //_____________________________________________________________________________ | |
1050 | Bool_t AliTRDclusterizer::AddLabels(Int_t idet, Int_t firstClusterROC, Int_t nClusterROC) | |
3551db50 | 1051 | { |
1052 | // | |
3fe61b77 | 1053 | // Add the track indices to the found clusters |
3551db50 | 1054 | // |
1055 | ||
3fe61b77 | 1056 | const Int_t kNclus = 3; |
1057 | const Int_t kNdict = AliTRDdigitsManager::kNDict; | |
1058 | const Int_t kNtrack = kNdict * kNclus; | |
1059 | ||
1060 | Int_t iClusterROC = 0; | |
1061 | ||
1062 | Int_t row = 0; | |
1063 | Int_t col = 0; | |
1064 | Int_t time = 0; | |
1065 | Int_t iPad = 0; | |
1066 | ||
1067 | // Temporary array to collect the track indices | |
1068 | Int_t *idxTracks = new Int_t[kNtrack*nClusterROC]; | |
1069 | ||
1070 | // Loop through the dictionary arrays one-by-one | |
1071 | // to keep memory consumption low | |
1072 | AliTRDdataArrayI *tracksIn = 0; | |
1073 | for (Int_t iDict = 0; iDict < kNdict; iDict++) { | |
1074 | ||
1075 | // tracksIn should be expanded beforehand! | |
1076 | tracksIn = fDigitsManager->GetDictionary(idet,iDict); | |
1077 | ||
1078 | // Loop though the clusters found in this ROC | |
1079 | for (iClusterROC = 0; iClusterROC < nClusterROC; iClusterROC++) { | |
1080 | ||
1081 | AliTRDcluster *cluster = (AliTRDcluster *) | |
1082 | RecPoints()->UncheckedAt(firstClusterROC+iClusterROC); | |
1083 | row = cluster->GetLabel(0); | |
1084 | col = cluster->GetLabel(1); | |
1085 | time = cluster->GetLabel(2); | |
1086 | ||
1087 | for (iPad = 0; iPad < kNclus; iPad++) { | |
1088 | Int_t iPadCol = col - 1 + iPad; | |
1089 | Int_t index = tracksIn->GetDataUnchecked(row,iPadCol,time) - 1; | |
1090 | idxTracks[3*iPad+iDict + iClusterROC*kNtrack] = index; | |
1091 | } | |
1092 | ||
1093 | } | |
1094 | ||
1095 | } | |
1096 | ||
1097 | // Copy the track indices into the cluster | |
1098 | // Loop though the clusters found in this ROC | |
1099 | for (iClusterROC = 0; iClusterROC < nClusterROC; iClusterROC++) { | |
1100 | ||
1101 | AliTRDcluster *cluster = (AliTRDcluster *) | |
1102 | RecPoints()->UncheckedAt(firstClusterROC+iClusterROC); | |
1103 | cluster->SetLabel(-9999,0); | |
1104 | cluster->SetLabel(-9999,1); | |
1105 | cluster->SetLabel(-9999,2); | |
1106 | ||
1107 | cluster->AddTrackIndex(&idxTracks[iClusterROC*kNtrack]); | |
1108 | ||
1109 | } | |
1110 | ||
1111 | delete [] idxTracks; | |
1112 | ||
1113 | return kTRUE; | |
1114 | ||
1115 | } | |
1116 | ||
1117 | //_____________________________________________________________________________ | |
1118 | Double_t AliTRDclusterizer::GetCOG(Double_t signal[5]) | |
1119 | { | |
1120 | // | |
1121 | // Get COG position | |
1122 | // Used for clusters with more than 3 pads - where LUT not applicable | |
1123 | // | |
1124 | ||
1125 | Double_t sum = signal[0] | |
1126 | + signal[1] | |
1127 | + signal[2] | |
1128 | + signal[3] | |
1129 | + signal[4]; | |
1130 | ||
1131 | Double_t res = (0.0 * (-signal[0] + signal[4]) | |
1132 | + (-signal[1] + signal[3])) / sum; | |
1133 | ||
1134 | return res; | |
1135 | ||
1136 | } | |
1137 | ||
1138 | //_____________________________________________________________________________ | |
1139 | Double_t AliTRDclusterizer::Unfold(Double_t eps, Int_t plane, Double_t *padSignal) | |
1140 | { | |
1141 | // | |
1142 | // Method to unfold neighbouring maxima. | |
1143 | // The charge ratio on the overlapping pad is calculated | |
1144 | // until there is no more change within the range given by eps. | |
1145 | // The resulting ratio is then returned to the calling method. | |
1146 | // | |
1147 | ||
1148 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); | |
6d50f529 | 1149 | if (!calibration) { |
3fe61b77 | 1150 | AliError("No AliTRDcalibDB instance available\n"); |
1151 | return kFALSE; | |
6d50f529 | 1152 | } |
3fe61b77 | 1153 | |
1154 | Int_t irc = 0; | |
1155 | Int_t itStep = 0; // Count iteration steps | |
1156 | ||
1157 | Double_t ratio = 0.5; // Start value for ratio | |
1158 | Double_t prevRatio = 0.0; // Store previous ratio | |
1159 | ||
1160 | Double_t newLeftSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store left cluster signal | |
1161 | Double_t newRightSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store right cluster signal | |
1162 | Double_t newSignal[3] = { 0.0, 0.0, 0.0 }; | |
1163 | ||
1164 | // Start the iteration | |
1165 | while ((TMath::Abs(prevRatio - ratio) > eps) && (itStep < 10)) { | |
1166 | ||
1167 | itStep++; | |
1168 | prevRatio = ratio; | |
1169 | ||
1170 | // Cluster position according to charge ratio | |
1171 | Double_t maxLeft = (ratio*padSignal[2] - padSignal[0]) | |
1172 | / (padSignal[0] + padSignal[1] + ratio*padSignal[2]); | |
1173 | Double_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2]) | |
1174 | / ((1.0 - ratio)*padSignal[2] + padSignal[3] + padSignal[4]); | |
1175 | ||
1176 | // Set cluster charge ratio | |
1177 | irc = calibration->PadResponse(1.0,maxLeft ,plane,newSignal); | |
1178 | Double_t ampLeft = padSignal[1] / newSignal[1]; | |
1179 | irc = calibration->PadResponse(1.0,maxRight,plane,newSignal); | |
1180 | Double_t ampRight = padSignal[3] / newSignal[1]; | |
1181 | ||
1182 | // Apply pad response to parameters | |
1183 | irc = calibration->PadResponse(ampLeft ,maxLeft ,plane,newLeftSignal ); | |
1184 | irc = calibration->PadResponse(ampRight,maxRight,plane,newRightSignal); | |
1185 | ||
1186 | // Calculate new overlapping ratio | |
1187 | ratio = TMath::Min((Double_t) 1.0 | |
1188 | ,newLeftSignal[2] / (newLeftSignal[2] + newRightSignal[0])); | |
1189 | ||
b43a3e17 | 1190 | } |
88719a08 | 1191 | |
3fe61b77 | 1192 | return ratio; |
1193 | ||
1194 | } | |
88719a08 | 1195 | |
3fe61b77 | 1196 | //_____________________________________________________________________________ |
1197 | void AliTRDclusterizer::TailCancelation(AliTRDdataArrayI *digitsIn | |
1198 | , AliTRDdataArrayF *digitsOut | |
1199 | , AliTRDSignalIndex *indexesIn | |
1200 | , AliTRDSignalIndex *indexesOut | |
1201 | , Int_t nTimeTotal | |
1202 | , Float_t ADCthreshold | |
1203 | , AliTRDCalROC *calGainFactorROC | |
1204 | , Float_t calGainFactorDetValue) | |
1205 | { | |
1206 | // | |
1207 | // Applies the tail cancelation and gain factors: | |
1208 | // Transform digitsIn to digitsOut | |
1209 | // | |
1210 | ||
1211 | Int_t iRow = 0; | |
1212 | Int_t iCol = 0; | |
1213 | Int_t iTime = 0; | |
1214 | ||
1215 | AliTRDRecParam *recParam = AliTRDRecParam::Instance(); | |
1216 | if (!recParam) | |
1217 | { | |
1218 | AliError("No AliTRDRecParam instance available\n"); | |
1219 | return; | |
1220 | } | |
88719a08 | 1221 | |
3fe61b77 | 1222 | Double_t *inADC = new Double_t[nTimeTotal]; // ADC data before tail cancellation |
1223 | Double_t *outADC = new Double_t[nTimeTotal]; // ADC data after tail cancellation | |
1224 | indexesIn->ResetCounters(); | |
1225 | while (indexesIn->NextRCIndex(iRow, iCol)) | |
1226 | { | |
1227 | Float_t calGainFactorROCValue = calGainFactorROC->GetValue(iCol,iRow); | |
1228 | Double_t gain = calGainFactorDetValue | |
1229 | * calGainFactorROCValue; | |
1230 | ||
1231 | for (iTime = 0; iTime < nTimeTotal; iTime++) | |
1232 | { | |
1233 | // Apply gain gain factor | |
1234 | inADC[iTime] = digitsIn->GetDataUnchecked(iRow,iCol,iTime); | |
1235 | inADC[iTime] /= gain; | |
1236 | outADC[iTime] = inADC[iTime]; | |
1237 | } | |
1238 | ||
1239 | // Apply the tail cancelation via the digital filter | |
1240 | if (recParam->TCOn()) | |
1241 | { | |
1242 | DeConvExp(inADC,outADC,nTimeTotal,recParam->GetTCnexp()); | |
1243 | } | |
1244 | ||
1245 | indexesIn->ResetTbinCounter(); | |
1246 | while (indexesIn->NextTbinIndex(iTime)) | |
1247 | { | |
1248 | // Store the amplitude of the digit if above threshold | |
1249 | if (outADC[iTime] > ADCthreshold) | |
1250 | { | |
1251 | digitsOut->SetDataUnchecked(iRow,iCol,iTime,outADC[iTime]); | |
1252 | indexesOut->AddIndexTBin(iRow,iCol,iTime); | |
1253 | } | |
1254 | } // while itime | |
1255 | ||
1256 | } // while irow icol | |
1257 | ||
1258 | delete [] inADC; | |
1259 | delete [] outADC; | |
1260 | ||
1261 | return; | |
1262 | ||
1263 | } | |
1264 | ||
1265 | //_____________________________________________________________________________ | |
1266 | void AliTRDclusterizer::DeConvExp(Double_t *source, Double_t *target | |
1267 | , Int_t n, Int_t nexp) | |
1268 | { | |
1269 | // | |
1270 | // Tail cancellation by deconvolution for PASA v4 TRF | |
1271 | // | |
1272 | ||
1273 | Double_t rates[2]; | |
1274 | Double_t coefficients[2]; | |
1275 | ||
1276 | // Initialization (coefficient = alpha, rates = lambda) | |
1277 | Double_t r1 = 1.0; | |
1278 | Double_t r2 = 1.0; | |
1279 | Double_t c1 = 0.5; | |
1280 | Double_t c2 = 0.5; | |
1281 | ||
1282 | if (nexp == 1) { // 1 Exponentials | |
1283 | r1 = 1.156; | |
1284 | r2 = 0.130; | |
1285 | c1 = 0.066; | |
1286 | c2 = 0.000; | |
1287 | } | |
1288 | if (nexp == 2) { // 2 Exponentials | |
1289 | r1 = 1.156; | |
1290 | r2 = 0.130; | |
1291 | c1 = 0.114; | |
1292 | c2 = 0.624; | |
1293 | } | |
1294 | ||
1295 | coefficients[0] = c1; | |
1296 | coefficients[1] = c2; | |
1297 | ||
1298 | Double_t dt = 0.1; | |
1299 | ||
1300 | rates[0] = TMath::Exp(-dt/(r1)); | |
1301 | rates[1] = TMath::Exp(-dt/(r2)); | |
1302 | ||
1303 | Int_t i = 0; | |
1304 | Int_t k = 0; | |
1305 | ||
1306 | Double_t reminder[2]; | |
1307 | Double_t correction = 0.0; | |
1308 | Double_t result = 0.0; | |
1309 | ||
1310 | // Attention: computation order is important | |
1311 | for (k = 0; k < nexp; k++) { | |
1312 | reminder[k] = 0.0; | |
1313 | } | |
1314 | ||
1315 | for (i = 0; i < n; i++) { | |
1316 | ||
1317 | result = (source[i] - correction); // No rescaling | |
1318 | target[i] = result; | |
1319 | ||
1320 | for (k = 0; k < nexp; k++) { | |
1321 | reminder[k] = rates[k] * (reminder[k] + coefficients[k] * result); | |
1322 | } | |
1323 | ||
1324 | correction = 0.0; | |
1325 | for (k = 0; k < nexp; k++) { | |
1326 | correction += reminder[k]; | |
1327 | } | |
1328 | ||
1329 | } | |
6d50f529 | 1330 | |
1331 | } | |
1332 | ||
1333 | //_____________________________________________________________________________ | |
1334 | void AliTRDclusterizer::ResetRecPoints() | |
1335 | { | |
1336 | // | |
1337 | // Resets the list of rec points | |
1338 | // | |
1339 | ||
1340 | if (fRecPoints) { | |
1341 | fRecPoints->Delete(); | |
1342 | } | |
1343 | ||
1344 | } | |
1345 | ||
1346 | //_____________________________________________________________________________ | |
34eaaa7e | 1347 | TObjArray *AliTRDclusterizer::RecPoints() |
6d50f529 | 1348 | { |
1349 | // | |
1350 | // Returns the list of rec points | |
1351 | // | |
1352 | ||
1353 | if (!fRecPoints) { | |
1354 | fRecPoints = new TObjArray(400); | |
1355 | } | |
1356 | ||
1357 | return fRecPoints; | |
1358 | ||
3551db50 | 1359 | } |