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f7336fa3 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
f7336fa3 | 17 | |
625f5260 | 18 | //////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Creates and handles digits from TRD hits // | |
21 | // // | |
22 | // Authors: C. Blume (blume@ikf.uni-frankfurt.de) // | |
23 | // C. Lippmann // | |
24 | // B. Vulpescu // | |
25 | // // | |
26 | // The following effects are included: // | |
27 | // - Diffusion // | |
28 | // - ExB effects // | |
29 | // - Gas gain including fluctuations // | |
30 | // - Pad-response (simple Gaussian approximation) // | |
31 | // - Time-response // | |
32 | // - Electronics noise // | |
33 | // - Electronics gain // | |
34 | // - Digitization // | |
b65e5048 | 35 | // - Zero suppression // |
625f5260 | 36 | // // |
37 | //////////////////////////////////////////////////////////////////////////// | |
6798b56e | 38 | |
f7a1cc68 | 39 | #include <TGeoManager.h> |
abaf1f1d | 40 | #include <TList.h> |
f7a1cc68 | 41 | #include <TMath.h> |
f7a1cc68 | 42 | #include <TRandom.h> |
f7a1cc68 | 43 | #include <TTree.h> |
26d3c914 | 44 | |
793ff80c | 45 | #include "AliRun.h" |
3e2e3ece | 46 | #include "AliMC.h" |
88cb7938 | 47 | #include "AliRunLoader.h" |
48 | #include "AliLoader.h" | |
49 | #include "AliConfig.h" | |
85cbec76 | 50 | #include "AliRunDigitizer.h" |
88cb7938 | 51 | #include "AliRunLoader.h" |
52 | #include "AliLoader.h" | |
ad2cc20b | 53 | #include "AliLog.h" |
621310dd | 54 | |
f7336fa3 | 55 | #include "AliTRD.h" |
793ff80c | 56 | #include "AliTRDhit.h" |
f7336fa3 | 57 | #include "AliTRDdigitizer.h" |
b65e5048 | 58 | #include "AliTRDarrayDictionary.h" |
59 | #include "AliTRDarrayADC.h" | |
60 | #include "AliTRDarraySignal.h" | |
da581aea | 61 | #include "AliTRDdigitsManager.h" |
793ff80c | 62 | #include "AliTRDgeometry.h" |
a5cadd36 | 63 | #include "AliTRDpadPlane.h" |
3551db50 | 64 | #include "AliTRDcalibDB.h" |
65 | #include "AliTRDSimParam.h" | |
66 | #include "AliTRDCommonParam.h" | |
ecf39416 | 67 | #include "AliTRDfeeParam.h" |
b65e5048 | 68 | #include "AliTRDmcmSim.h" |
966f6939 | 69 | #include "AliTRDdigitsParam.h" |
70 | ||
4329977a | 71 | #include "Cal/AliTRDCalROC.h" |
72 | #include "Cal/AliTRDCalDet.h" | |
73 | ||
f7336fa3 | 74 | ClassImp(AliTRDdigitizer) |
75 | ||
76 | //_____________________________________________________________________________ | |
85cbec76 | 77 | AliTRDdigitizer::AliTRDdigitizer() |
4d18a639 | 78 | :AliDigitizer() |
79 | ,fRunLoader(0) | |
80 | ,fDigitsManager(0) | |
81 | ,fSDigitsManager(0) | |
82 | ,fSDigitsManagerList(0) | |
83 | ,fTRD(0) | |
84 | ,fGeo(0) | |
85 | ,fEvent(0) | |
86 | ,fMasks(0) | |
87 | ,fCompress(kTRUE) | |
88 | ,fSDigits(kFALSE) | |
4d18a639 | 89 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 90 | { |
91 | // | |
92 | // AliTRDdigitizer default constructor | |
93 | // | |
3551db50 | 94 | |
f7336fa3 | 95 | } |
96 | ||
97 | //_____________________________________________________________________________ | |
4d18a639 | 98 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) |
99 | :AliDigitizer(name,title) | |
100 | ,fRunLoader(0) | |
101 | ,fDigitsManager(0) | |
102 | ,fSDigitsManager(0) | |
103 | ,fSDigitsManagerList(0) | |
104 | ,fTRD(0) | |
105 | ,fGeo(0) | |
106 | ,fEvent(0) | |
107 | ,fMasks(0) | |
108 | ,fCompress(kTRUE) | |
109 | ,fSDigits(kFALSE) | |
4d18a639 | 110 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 111 | { |
112 | // | |
85cbec76 | 113 | // AliTRDdigitizer constructor |
114 | // | |
115 | ||
85cbec76 | 116 | } |
117 | ||
118 | //_____________________________________________________________________________ | |
119 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager | |
4d18a639 | 120 | , const Text_t *name, const Text_t *title) |
121 | :AliDigitizer(manager,name,title) | |
122 | ,fRunLoader(0) | |
123 | ,fDigitsManager(0) | |
124 | ,fSDigitsManager(0) | |
125 | ,fSDigitsManagerList(0) | |
126 | ,fTRD(0) | |
127 | ,fGeo(0) | |
128 | ,fEvent(0) | |
129 | ,fMasks(0) | |
130 | ,fCompress(kTRUE) | |
131 | ,fSDigits(kFALSE) | |
4d18a639 | 132 | ,fMergeSignalOnly(kFALSE) |
85cbec76 | 133 | { |
134 | // | |
135 | // AliTRDdigitizer constructor | |
f7336fa3 | 136 | // |
137 | ||
bfc40adc | 138 | } |
139 | ||
140 | //_____________________________________________________________________________ | |
141 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) | |
4d18a639 | 142 | :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") |
143 | ,fRunLoader(0) | |
144 | ,fDigitsManager(0) | |
145 | ,fSDigitsManager(0) | |
146 | ,fSDigitsManagerList(0) | |
147 | ,fTRD(0) | |
148 | ,fGeo(0) | |
149 | ,fEvent(0) | |
150 | ,fMasks(0) | |
151 | ,fCompress(kTRUE) | |
152 | ,fSDigits(kFALSE) | |
4d18a639 | 153 | ,fMergeSignalOnly(kFALSE) |
bfc40adc | 154 | { |
155 | // | |
156 | // AliTRDdigitizer constructor | |
157 | // | |
158 | ||
f7336fa3 | 159 | } |
160 | ||
8230f242 | 161 | //_____________________________________________________________________________ |
4d18a639 | 162 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) |
163 | :AliDigitizer(d) | |
164 | ,fRunLoader(0) | |
165 | ,fDigitsManager(0) | |
166 | ,fSDigitsManager(0) | |
167 | ,fSDigitsManagerList(0) | |
168 | ,fTRD(0) | |
169 | ,fGeo(0) | |
170 | ,fEvent(0) | |
171 | ,fMasks(0) | |
172 | ,fCompress(d.fCompress) | |
173 | ,fSDigits(d.fSDigits) | |
4d18a639 | 174 | ,fMergeSignalOnly(d.fMergeSignalOnly) |
8230f242 | 175 | { |
176 | // | |
177 | // AliTRDdigitizer copy constructor | |
178 | // | |
179 | ||
8230f242 | 180 | } |
181 | ||
f7336fa3 | 182 | //_____________________________________________________________________________ |
183 | AliTRDdigitizer::~AliTRDdigitizer() | |
184 | { | |
8230f242 | 185 | // |
186 | // AliTRDdigitizer destructor | |
187 | // | |
f7336fa3 | 188 | |
abaf1f1d | 189 | if (fDigitsManager) { |
190 | delete fDigitsManager; | |
4d18a639 | 191 | fDigitsManager = 0; |
f7336fa3 | 192 | } |
193 | ||
966f6939 | 194 | if (fSDigitsManager) { |
d4cbb500 | 195 | // s-digitsmanager will be deleted via list |
4d18a639 | 196 | fSDigitsManager = 0; |
197 | } | |
f7336fa3 | 198 | |
abaf1f1d | 199 | if (fSDigitsManagerList) { |
47b5729a | 200 | fSDigitsManagerList->Delete(); |
abaf1f1d | 201 | delete fSDigitsManagerList; |
4487dad0 | 202 | fSDigitsManagerList = 0; |
e23fbb27 | 203 | } |
204 | ||
205 | if (fMasks) { | |
206 | delete [] fMasks; | |
4329977a | 207 | fMasks = 0; |
e23fbb27 | 208 | } |
209 | ||
f162af62 | 210 | if (fGeo) { |
211 | delete fGeo; | |
212 | fGeo = 0; | |
213 | } | |
214 | ||
f7336fa3 | 215 | } |
216 | ||
8230f242 | 217 | //_____________________________________________________________________________ |
dd9a6ee3 | 218 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
219 | { | |
220 | // | |
221 | // Assignment operator | |
222 | // | |
223 | ||
625f5260 | 224 | if (this != &d) { |
225 | ((AliTRDdigitizer &) d).Copy(*this); | |
226 | } | |
4d18a639 | 227 | |
dd9a6ee3 | 228 | return *this; |
229 | ||
230 | } | |
231 | ||
232 | //_____________________________________________________________________________ | |
e0d47c25 | 233 | void AliTRDdigitizer::Copy(TObject &d) const |
8230f242 | 234 | { |
235 | // | |
236 | // Copy function | |
237 | // | |
238 | ||
85a5290f | 239 | ((AliTRDdigitizer &) d).fRunLoader = 0; |
4487dad0 | 240 | ((AliTRDdigitizer &) d).fDigitsManager = 0; |
85a5290f | 241 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; |
242 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
4487dad0 | 243 | ((AliTRDdigitizer &) d).fTRD = 0; |
244 | ((AliTRDdigitizer &) d).fGeo = 0; | |
85a5290f | 245 | ((AliTRDdigitizer &) d).fEvent = 0; |
246 | ((AliTRDdigitizer &) d).fMasks = 0; | |
abaf1f1d | 247 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
abaf1f1d | 248 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
4487dad0 | 249 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
3becff3c | 250 | |
e23fbb27 | 251 | } |
252 | ||
e23fbb27 | 253 | //_____________________________________________________________________________ |
621310dd | 254 | void AliTRDdigitizer::Exec(const Option_t * const option) |
e23fbb27 | 255 | { |
256 | // | |
257 | // Executes the merging | |
258 | // | |
259 | ||
260 | Int_t iInput; | |
261 | ||
262 | AliTRDdigitsManager *sdigitsManager; | |
263 | ||
264 | TString optionString = option; | |
265 | if (optionString.Contains("deb")) { | |
9afbd7de | 266 | AliLog::SetClassDebugLevel("AliTRDdigitizer",1); |
7925de54 | 267 | AliInfo("Called with debug option"); |
e23fbb27 | 268 | } |
269 | ||
cec4059b | 270 | // The AliRoot file is already connected by the manager |
625f5260 | 271 | AliRunLoader *inrl = 0x0; |
88cb7938 | 272 | |
9afbd7de | 273 | if (gAlice) { |
7925de54 | 274 | AliDebug(1,"AliRun object found on file."); |
9afbd7de | 275 | } |
4487dad0 | 276 | else { |
88cb7938 | 277 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
278 | inrl->LoadgAlice(); | |
279 | gAlice = inrl->GetAliRun(); | |
9afbd7de | 280 | if (!gAlice) { |
7925de54 | 281 | AliError("Could not find AliRun object.") |
9afbd7de | 282 | return; |
283 | } | |
4487dad0 | 284 | } |
cec4059b | 285 | |
e23fbb27 | 286 | Int_t nInput = fManager->GetNinputs(); |
4d18a639 | 287 | fMasks = new Int_t[nInput]; |
e23fbb27 | 288 | for (iInput = 0; iInput < nInput; iInput++) { |
289 | fMasks[iInput] = fManager->GetMask(iInput); | |
290 | } | |
e23fbb27 | 291 | |
9afbd7de | 292 | // |
e23fbb27 | 293 | // Initialization |
9afbd7de | 294 | // |
e23fbb27 | 295 | |
95867fd1 | 296 | AliRunLoader *orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); |
297 | ||
67c67368 | 298 | if (InitDetector()) { |
9afbd7de | 299 | |
95867fd1 | 300 | AliLoader *ogime = orl->GetLoader("TRDLoader"); |
67c67368 | 301 | |
95867fd1 | 302 | TTree *tree = 0; |
9afbd7de | 303 | if (fSDigits) { |
304 | // If we produce SDigits | |
305 | tree = ogime->TreeS(); | |
306 | if (!tree) { | |
307 | ogime->MakeTree("S"); | |
67c67368 | 308 | tree = ogime->TreeS(); |
67c67368 | 309 | } |
9afbd7de | 310 | } |
311 | else { | |
312 | // If we produce Digits | |
313 | tree = ogime->TreeD(); | |
314 | if (!tree) { | |
315 | ogime->MakeTree("D"); | |
316 | tree = ogime->TreeD(); | |
67c67368 | 317 | } |
9afbd7de | 318 | } |
319 | ||
67c67368 | 320 | MakeBranch(tree); |
9afbd7de | 321 | |
67c67368 | 322 | } |
323 | ||
e23fbb27 | 324 | for (iInput = 0; iInput < nInput; iInput++) { |
325 | ||
7925de54 | 326 | AliDebug(1,Form("Add input stream %d",iInput)); |
e23fbb27 | 327 | |
9afbd7de | 328 | // Check if the input tree exists |
88cb7938 | 329 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
4d18a639 | 330 | AliLoader *gime = inrl->GetLoader("TRDLoader"); |
88cb7938 | 331 | |
4d18a639 | 332 | TTree *treees = gime->TreeS(); |
9afbd7de | 333 | if (treees == 0x0) { |
334 | if (gime->LoadSDigits()) { | |
335 | AliError(Form("Error Occured while loading S. Digits for input %d.",iInput)); | |
336 | return; | |
337 | } | |
4d18a639 | 338 | treees = gime->TreeS(); |
9afbd7de | 339 | } |
88cb7938 | 340 | |
341 | if (treees == 0x0) { | |
7925de54 | 342 | AliError(Form("Input stream %d does not exist",iInput)); |
c57e2264 | 343 | return; |
344 | } | |
345 | ||
e23fbb27 | 346 | // Read the s-digits via digits manager |
347 | sdigitsManager = new AliTRDdigitsManager(); | |
e23fbb27 | 348 | sdigitsManager->SetSDigits(kTRUE); |
88cb7938 | 349 | |
4d18a639 | 350 | AliRunLoader *rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
351 | AliLoader *gimme = rl->GetLoader("TRDLoader"); | |
b65e5048 | 352 | if (!gimme->TreeS()) |
353 | { | |
354 | gimme->LoadSDigits(); | |
355 | } | |
e23fbb27 | 356 | |
b65e5048 | 357 | sdigitsManager->ReadDigits(gimme->TreeS()); |
358 | ||
e23fbb27 | 359 | // Add the s-digits to the input list |
360 | AddSDigitsManager(sdigitsManager); | |
361 | ||
362 | } | |
363 | ||
364 | // Convert the s-digits to normal digits | |
7925de54 | 365 | AliDebug(1,"Do the conversion"); |
e23fbb27 | 366 | SDigits2Digits(); |
367 | ||
368 | // Store the digits | |
7925de54 | 369 | AliDebug(1,"Write the digits"); |
e23fbb27 | 370 | fDigitsManager->WriteDigits(); |
88cb7938 | 371 | |
9afbd7de | 372 | // Write parameters |
67c67368 | 373 | orl->CdGAFile(); |
67c67368 | 374 | |
26d3c914 | 375 | // Clean up |
b1113c6b | 376 | DeleteSDigitsManager(); |
377 | ||
26d3c914 | 378 | AliDebug(1,"Done"); |
379 | ||
e23fbb27 | 380 | } |
381 | ||
f7336fa3 | 382 | //_____________________________________________________________________________ |
e23fbb27 | 383 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 384 | { |
385 | // | |
386 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
387 | // | |
f7336fa3 | 388 | // Connect the AliRoot file containing Geometry, Kine, and Hits |
3becff3c | 389 | // |
f540341d | 390 | |
e191bb57 | 391 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
9afbd7de | 392 | |
f540341d | 393 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
9afbd7de | 394 | if (!fRunLoader) { |
395 | fRunLoader = AliRunLoader::Open(file,evfoldname,"UPDATE"); | |
396 | } | |
9afbd7de | 397 | if (!fRunLoader) { |
95867fd1 | 398 | AliError(Form("Can not open session for file %s.",file)); |
399 | return kFALSE; | |
400 | } | |
401 | ||
402 | if (!fRunLoader->GetAliRun()) { | |
403 | fRunLoader->LoadgAlice(); | |
404 | } | |
405 | gAlice = fRunLoader->GetAliRun(); | |
406 | ||
407 | if (gAlice) { | |
7925de54 | 408 | AliDebug(1,"AliRun object found on file."); |
95867fd1 | 409 | } |
410 | else { | |
7925de54 | 411 | AliError("Could not find AliRun object."); |
95867fd1 | 412 | return kFALSE; |
413 | } | |
414 | ||
415 | fEvent = nEvent; | |
416 | ||
417 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
418 | if (!loader) { | |
419 | AliError("Can not get TRD loader from Run Loader"); | |
420 | return kFALSE; | |
421 | } | |
422 | ||
423 | if (InitDetector()) { | |
424 | TTree *tree = 0; | |
425 | if (fSDigits) { | |
426 | // If we produce SDigits | |
427 | tree = loader->TreeS(); | |
428 | if (!tree) { | |
429 | loader->MakeTree("S"); | |
430 | tree = loader->TreeS(); | |
431 | } | |
432 | } | |
433 | else { | |
434 | // If we produce Digits | |
435 | tree = loader->TreeD(); | |
436 | if (!tree) { | |
437 | loader->MakeTree("D"); | |
438 | tree = loader->TreeD(); | |
439 | } | |
440 | } | |
441 | return MakeBranch(tree); | |
442 | } | |
443 | else { | |
444 | return kFALSE; | |
445 | } | |
446 | ||
447 | } | |
448 | ||
449 | //_____________________________________________________________________________ | |
621310dd | 450 | Bool_t AliTRDdigitizer::Open(AliRunLoader * const runLoader, Int_t nEvent) |
95867fd1 | 451 | { |
452 | // | |
453 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
454 | // | |
455 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
456 | // | |
457 | ||
458 | fRunLoader = runLoader; | |
459 | if (!fRunLoader) { | |
460 | AliError("RunLoader does not exist"); | |
461 | return kFALSE; | |
4d18a639 | 462 | } |
88cb7938 | 463 | |
9afbd7de | 464 | if (!fRunLoader->GetAliRun()) { |
465 | fRunLoader->LoadgAlice(); | |
466 | } | |
88cb7938 | 467 | gAlice = fRunLoader->GetAliRun(); |
468 | ||
da581aea | 469 | if (gAlice) { |
7925de54 | 470 | AliDebug(1,"AliRun object found on file."); |
da581aea | 471 | } |
472 | else { | |
7925de54 | 473 | AliError("Could not find AliRun object."); |
da581aea | 474 | return kFALSE; |
475 | } | |
f7336fa3 | 476 | |
477 | fEvent = nEvent; | |
478 | ||
4d18a639 | 479 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 480 | if (!loader) { |
481 | AliError("Can not get TRD loader from Run Loader"); | |
482 | return kFALSE; | |
483 | } | |
88cb7938 | 484 | |
abaf1f1d | 485 | if (InitDetector()) { |
4d18a639 | 486 | TTree *tree = 0; |
9afbd7de | 487 | if (fSDigits) { |
488 | // If we produce SDigits | |
489 | tree = loader->TreeS(); | |
490 | if (!tree) { | |
491 | loader->MakeTree("S"); | |
492 | tree = loader->TreeS(); | |
4d18a639 | 493 | } |
9afbd7de | 494 | } |
495 | else { | |
496 | // If we produce Digits | |
95867fd1 | 497 | tree = loader->TreeD(); |
9afbd7de | 498 | if (!tree) { |
499 | loader->MakeTree("D"); | |
500 | tree = loader->TreeD(); | |
4d18a639 | 501 | } |
9afbd7de | 502 | } |
88cb7938 | 503 | return MakeBranch(tree); |
abaf1f1d | 504 | } |
505 | else { | |
506 | return kFALSE; | |
507 | } | |
793ff80c | 508 | |
509 | } | |
510 | ||
511 | //_____________________________________________________________________________ | |
512 | Bool_t AliTRDdigitizer::InitDetector() | |
513 | { | |
514 | // | |
515 | // Sets the pointer to the TRD detector and the geometry | |
516 | // | |
517 | ||
dd9a6ee3 | 518 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 519 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 520 | if (!fTRD) { |
7925de54 | 521 | AliFatal("No TRD module found"); |
cec4059b | 522 | exit(1); |
523 | } | |
dd9a6ee3 | 524 | if (fTRD->IsVersion() != 1) { |
7925de54 | 525 | AliFatal("TRD must be version 1 (slow simulator)"); |
dd9a6ee3 | 526 | exit(1); |
527 | } | |
528 | ||
529 | // Get the geometry | |
f162af62 | 530 | fGeo = new AliTRDgeometry(); |
dd9a6ee3 | 531 | |
abaf1f1d | 532 | // Create a digits manager |
625f5260 | 533 | if (fDigitsManager) { |
534 | delete fDigitsManager; | |
535 | } | |
abaf1f1d | 536 | fDigitsManager = new AliTRDdigitsManager(); |
537 | fDigitsManager->SetSDigits(fSDigits); | |
538 | fDigitsManager->CreateArrays(); | |
539 | fDigitsManager->SetEvent(fEvent); | |
abaf1f1d | 540 | |
541 | // The list for the input s-digits manager to be merged | |
47b5729a | 542 | if (fSDigitsManagerList) { |
543 | fSDigitsManagerList->Delete(); | |
3becff3c | 544 | } |
545 | else { | |
47b5729a | 546 | fSDigitsManagerList = new TList(); |
547 | } | |
abaf1f1d | 548 | |
4487dad0 | 549 | return kTRUE; |
f7336fa3 | 550 | |
551 | } | |
6244debe | 552 | //_____________________________________________________________________________ |
95867fd1 | 553 | Bool_t AliTRDdigitizer::MakeBranch(TTree *tree) const |
6244debe | 554 | { |
abaf1f1d | 555 | // |
556 | // Create the branches for the digits array | |
6244debe | 557 | // |
558 | ||
88cb7938 | 559 | return fDigitsManager->MakeBranch(tree); |
6244debe | 560 | |
561 | } | |
562 | ||
625f5260 | 563 | //_____________________________________________________________________________ |
564 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
565 | { | |
566 | // | |
567 | // Add a digits manager for s-digits to the input list. | |
568 | // | |
569 | ||
570 | fSDigitsManagerList->Add(man); | |
571 | ||
572 | } | |
573 | ||
574 | //_____________________________________________________________________________ | |
575 | void AliTRDdigitizer::DeleteSDigitsManager() | |
576 | { | |
577 | // | |
578 | // Removes digits manager from the input list. | |
579 | // | |
580 | ||
581 | fSDigitsManagerList->Delete(); | |
582 | ||
583 | } | |
584 | ||
f7336fa3 | 585 | //_____________________________________________________________________________ |
586 | Bool_t AliTRDdigitizer::MakeDigits() | |
587 | { | |
588 | // | |
872a7aba | 589 | // Creates digits. |
f7336fa3 | 590 | // |
591 | ||
625f5260 | 592 | AliDebug(1,"Start creating digits"); |
593 | ||
594 | if (!fGeo) { | |
595 | AliError("No geometry defined"); | |
596 | return kFALSE; | |
597 | } | |
f7336fa3 | 598 | |
625f5260 | 599 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
600 | if (!calibration) { | |
601 | AliFatal("Could not get calibration object"); | |
602 | return kFALSE; | |
603 | } | |
604 | ||
605 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
606 | ||
607 | Float_t **hits = new Float_t*[kNdet]; | |
608 | Int_t *nhit = new Int_t[kNdet]; | |
609 | ||
b65e5048 | 610 | AliTRDarraySignal *signals = 0x0; |
625f5260 | 611 | |
612 | // Sort all hits according to detector number | |
613 | if (!SortHits(hits,nhit)) { | |
614 | AliError("Sorting hits failed"); | |
615 | return kFALSE; | |
616 | } | |
617 | ||
618 | // Loop through all detectors | |
619 | for (Int_t det = 0; det < kNdet; det++) { | |
620 | ||
621 | // Detectors that are switched off, not installed, etc. | |
622 | if (( calibration->IsChamberInstalled(det)) && | |
b65e5048 | 623 | (!calibration->IsChamberMasked(det)) && |
625f5260 | 624 | ( fGeo->ChamberInGeometry(det)) && |
625 | (nhit[det] > 0)) { | |
626 | ||
b65e5048 | 627 | signals = new AliTRDarraySignal(); |
628 | ||
625f5260 | 629 | // Convert the hits of the current detector to detector signals |
630 | if (!ConvertHits(det,hits[det],nhit[det],signals)) { | |
b65e5048 | 631 | AliError(Form("Conversion of hits failed for detector=%d",det)); |
625f5260 | 632 | return kFALSE; |
633 | } | |
634 | // Convert the detector signals to digits or s-digits | |
635 | if (!ConvertSignals(det,signals)) { | |
b65e5048 | 636 | AliError(Form("Conversion of signals failed for detector=%d",det)); |
637 | return kFALSE; | |
625f5260 | 638 | } |
639 | ||
640 | // Delete the signals array | |
641 | delete signals; | |
642 | signals = 0x0; | |
643 | ||
644 | } // if: detector status | |
645 | ||
27cea06a | 646 | delete [] hits[det]; |
647 | ||
625f5260 | 648 | } // for: detector |
649 | ||
650 | delete [] hits; | |
651 | delete [] nhit; | |
652 | ||
653 | return kTRUE; | |
654 | ||
655 | } | |
656 | ||
657 | //_____________________________________________________________________________ | |
658 | Bool_t AliTRDdigitizer::SortHits(Float_t **hits, Int_t *nhit) | |
659 | { | |
660 | // | |
661 | // Read all the hits and sorts them according to detector number | |
662 | // in the output array <hits>. | |
663 | // | |
664 | ||
665 | AliDebug(1,"Start sorting hits"); | |
666 | ||
667 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
668 | // Size of the hit vector | |
669 | const Int_t kNhit = 6; | |
670 | ||
671 | Float_t *xyz = 0; | |
672 | Int_t nhitTrk = 0; | |
673 | ||
674 | Int_t *lhit = new Int_t[kNdet]; | |
675 | ||
676 | for (Int_t det = 0; det < kNdet; det++) { | |
677 | lhit[det] = 0; | |
678 | nhit[det] = 0; | |
679 | hits[det] = 0; | |
680 | } | |
681 | ||
682 | AliLoader *gimme = fRunLoader->GetLoader("TRDLoader"); | |
683 | if (!gimme->TreeH()) { | |
684 | gimme->LoadHits(); | |
685 | } | |
686 | TTree *hitTree = gimme->TreeH(); | |
687 | if (hitTree == 0x0) { | |
688 | AliError("Can not get TreeH"); | |
689 | return kFALSE; | |
690 | } | |
691 | fTRD->SetTreeAddress(); | |
692 | ||
693 | // Get the number of entries in the hit tree | |
694 | // (Number of primary particles creating a hit somewhere) | |
695 | Int_t nTrk = (Int_t) hitTree->GetEntries(); | |
696 | AliDebug(1,Form("Found %d tracks",nTrk)); | |
697 | ||
698 | // Loop through all the tracks in the tree | |
699 | for (Int_t iTrk = 0; iTrk < nTrk; iTrk++) { | |
700 | ||
3e2e3ece | 701 | gAlice->GetMCApp()->ResetHits(); |
625f5260 | 702 | hitTree->GetEvent(iTrk); |
703 | ||
704 | if (!fTRD->Hits()) { | |
705 | AliError(Form("No hits array for track = %d",iTrk)); | |
706 | continue; | |
707 | } | |
708 | ||
709 | // Number of hits for this track | |
710 | nhitTrk = fTRD->Hits()->GetEntriesFast(); | |
711 | ||
712 | Int_t hitCnt = 0; | |
713 | // Loop through the TRD hits | |
714 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
715 | while (hit) { | |
716 | ||
717 | hitCnt++; | |
718 | ||
719 | // Don't analyze test hits | |
720 | if (((Int_t) hit->GetCharge()) != 0) { | |
721 | ||
722 | Int_t trk = hit->Track(); | |
723 | Int_t det = hit->GetDetector(); | |
724 | Int_t q = hit->GetCharge(); | |
725 | Float_t x = hit->X(); | |
726 | Float_t y = hit->Y(); | |
727 | Float_t z = hit->Z(); | |
728 | Float_t time = hit->GetTime(); | |
729 | ||
730 | if (nhit[det] == lhit[det]) { | |
731 | // Inititialization of new detector | |
732 | xyz = new Float_t[kNhit*(nhitTrk+lhit[det])]; | |
733 | if (hits[det]) { | |
734 | memcpy(xyz,hits[det],sizeof(Float_t)*kNhit*lhit[det]); | |
735 | delete [] hits[det]; | |
736 | } | |
737 | lhit[det] += nhitTrk; | |
738 | hits[det] = xyz; | |
739 | } | |
740 | else { | |
741 | xyz = hits[det]; | |
742 | } | |
743 | xyz[nhit[det]*kNhit+0] = x; | |
744 | xyz[nhit[det]*kNhit+1] = y; | |
745 | xyz[nhit[det]*kNhit+2] = z; | |
746 | xyz[nhit[det]*kNhit+3] = q; | |
747 | xyz[nhit[det]*kNhit+4] = trk; | |
748 | xyz[nhit[det]*kNhit+5] = time; | |
749 | nhit[det]++; | |
750 | ||
751 | } // if: charge != 0 | |
752 | ||
753 | hit = (AliTRDhit *) fTRD->NextHit(); | |
754 | ||
755 | } // for: hits of one track | |
756 | ||
757 | } // for: tracks | |
758 | ||
759 | delete [] lhit; | |
760 | ||
761 | return kTRUE; | |
762 | ||
763 | } | |
f7336fa3 | 764 | |
625f5260 | 765 | //_____________________________________________________________________________ |
621310dd | 766 | Bool_t AliTRDdigitizer::ConvertHits(Int_t det |
767 | , const Float_t * const hits | |
768 | , Int_t nhit | |
b65e5048 | 769 | , AliTRDarraySignal *signals) |
625f5260 | 770 | { |
771 | // | |
772 | // Converts the detectorwise sorted hits to detector signals | |
773 | // | |
774 | ||
775 | AliDebug(1,Form("Start converting hits for detector=%d (nhits=%d)",det,nhit)); | |
f7336fa3 | 776 | |
793ff80c | 777 | // Number of pads included in the pad response |
a5cadd36 | 778 | const Int_t kNpad = 3; |
793ff80c | 779 | // Number of track dictionary arrays |
625f5260 | 780 | const Int_t kNdict = AliTRDdigitsManager::kNDict; |
781 | // Size of the hit vector | |
782 | const Int_t kNhit = 6; | |
793ff80c | 783 | |
4329977a | 784 | // Width of the amplification region |
785 | const Float_t kAmWidth = AliTRDgeometry::AmThick(); | |
3becff3c | 786 | // Width of the drift region |
ccb4315c | 787 | const Float_t kDrWidth = AliTRDgeometry::DrThick(); |
4329977a | 788 | // Drift + amplification region |
789 | const Float_t kDrMin = - 0.5 * kAmWidth; | |
790 | const Float_t kDrMax = kDrWidth + 0.5 * kAmWidth; | |
3551db50 | 791 | |
625f5260 | 792 | Int_t iPad = 0; |
793 | Int_t dict = 0; | |
794 | Int_t timeBinTRFend = 1; | |
872a7aba | 795 | |
a5cadd36 | 796 | Double_t pos[3]; |
4329977a | 797 | Double_t loc[3]; |
a5cadd36 | 798 | Double_t padSignal[kNpad]; |
799 | Double_t signalOld[kNpad]; | |
872a7aba | 800 | |
b65e5048 | 801 | AliTRDarrayDictionary *dictionary[kNdict]; |
4329977a | 802 | |
9afbd7de | 803 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 804 | AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); |
625f5260 | 805 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
806 | ||
3becff3c | 807 | if (!commonParam) { |
4329977a | 808 | AliFatal("Could not get common parameterss"); |
3551db50 | 809 | return kFALSE; |
810 | } | |
625f5260 | 811 | if (!simParam) { |
812 | AliFatal("Could not get simulation parameters"); | |
813 | return kFALSE; | |
814 | } | |
3becff3c | 815 | if (!calibration) { |
4329977a | 816 | AliFatal("Could not get calibration object"); |
3551db50 | 817 | return kFALSE; |
818 | } | |
819 | ||
625f5260 | 820 | // Get the detector wise calibration objects |
821 | AliTRDCalROC *calVdriftROC = 0; | |
822 | Float_t calVdriftDetValue = 0.0; | |
823 | const AliTRDCalDet *calVdriftDet = calibration->GetVdriftDet(); | |
824 | AliTRDCalROC *calT0ROC = 0; | |
825 | Float_t calT0DetValue = 0.0; | |
826 | const AliTRDCalDet *calT0Det = calibration->GetT0Det(); | |
4329977a | 827 | |
4329977a | 828 | if (simParam->TRFOn()) { |
829 | timeBinTRFend = ((Int_t) (simParam->GetTRFhi() | |
830 | * commonParam->GetSamplingFrequency())) - 1; | |
4329977a | 831 | } |
832 | ||
966f6939 | 833 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(); |
b43a3e17 | 834 | Float_t samplingRate = commonParam->GetSamplingFrequency(); |
4329977a | 835 | Float_t elAttachProp = simParam->GetElAttachProp() / 100.0; |
a328fff9 | 836 | |
625f5260 | 837 | AliTRDpadPlane *padPlane = fGeo->GetPadPlane(det); |
b65e5048 | 838 | Int_t layer = fGeo->GetLayer(det); //update |
625f5260 | 839 | Float_t row0 = padPlane->GetRow0ROC(); |
840 | Int_t nRowMax = padPlane->GetNrows(); | |
841 | Int_t nColMax = padPlane->GetNcols(); | |
842 | ||
843 | // Create a new array for the signals | |
844 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
845 | ||
846 | // Create a new array for the dictionary | |
847 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 848 | dictionary[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 849 | dictionary[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
850 | } | |
851 | ||
852 | // Loop through the hits in this detector | |
853 | for (Int_t hit = 0; hit < nhit; hit++) { | |
854 | ||
855 | pos[0] = hits[hit*kNhit+0]; | |
856 | pos[1] = hits[hit*kNhit+1]; | |
857 | pos[2] = hits[hit*kNhit+2]; | |
858 | Float_t q = hits[hit*kNhit+3]; | |
859 | Float_t hittime = hits[hit*kNhit+5]; | |
860 | Int_t track = ((Int_t) hits[hit*kNhit+4]); | |
861 | ||
862 | Int_t inDrift = 1; | |
863 | ||
864 | // Find the current volume with the geo manager | |
865 | gGeoManager->SetCurrentPoint(pos); | |
866 | gGeoManager->FindNode(); | |
867 | if (strstr(gGeoManager->GetPath(),"/UK")) { | |
868 | inDrift = 0; | |
869 | } | |
793ff80c | 870 | |
625f5260 | 871 | // Get the calibration objects |
872 | calVdriftROC = calibration->GetVdriftROC(det); | |
873 | calVdriftDetValue = calVdriftDet->GetValue(det); | |
874 | calT0ROC = calibration->GetT0ROC(det); | |
875 | calT0DetValue = calT0Det->GetValue(det); | |
876 | ||
877 | // Go to the local coordinate system: | |
878 | // loc[0] - col direction in amplification or driftvolume | |
879 | // loc[1] - row direction in amplification or driftvolume | |
880 | // loc[2] - time direction in amplification or driftvolume | |
881 | gGeoManager->MasterToLocal(pos,loc); | |
882 | if (inDrift) { | |
883 | // Relative to middle of amplification region | |
884 | loc[2] = loc[2] - kDrWidth/2.0 - kAmWidth/2.0; | |
885 | } | |
793ff80c | 886 | |
625f5260 | 887 | // The driftlength [cm] (w/o diffusion yet !). |
888 | // It is negative if the hit is between pad plane and anode wires. | |
889 | Double_t driftlength = -1.0 * loc[2]; | |
e23fbb27 | 890 | |
625f5260 | 891 | // Stupid patch to take care of TR photons that are absorbed |
892 | // outside the chamber volume. A real fix would actually need | |
893 | // a more clever implementation of the TR hit generation | |
894 | if (q < 0.0) { | |
895 | if ((loc[1] < padPlane->GetRowEndROC()) || | |
896 | (loc[1] > padPlane->GetRow0ROC())) { | |
f881dc35 | 897 | continue; |
898 | } | |
625f5260 | 899 | if ((driftlength < kDrMin) || |
900 | (driftlength > kDrMax)) { | |
901 | continue; | |
4329977a | 902 | } |
625f5260 | 903 | } |
f881dc35 | 904 | |
625f5260 | 905 | // Get row and col of unsmeared electron to retrieve drift velocity |
906 | // The pad row (z-direction) | |
907 | Int_t rowE = padPlane->GetPadRowNumberROC(loc[1]); | |
908 | if (rowE < 0) { | |
909 | continue; | |
910 | } | |
911 | Double_t rowOffset = padPlane->GetPadRowOffsetROC(rowE,loc[1]); | |
912 | // The pad column (rphi-direction) | |
913 | Double_t offsetTilt = padPlane->GetTiltOffset(rowOffset); | |
914 | Int_t colE = padPlane->GetPadColNumber(loc[0]+offsetTilt); | |
915 | if (colE < 0) { | |
916 | continue; | |
917 | } | |
0a17cc30 | 918 | Double_t colOffset = 0.0; |
f881dc35 | 919 | |
625f5260 | 920 | // Normalized drift length |
921 | Float_t driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
922 | Double_t absdriftlength = TMath::Abs(driftlength); | |
923 | if (commonParam->ExBOn()) { | |
924 | absdriftlength /= TMath::Sqrt(GetLorentzFactor(driftvelocity)); | |
925 | } | |
926 | ||
927 | // Loop over all electrons of this hit | |
928 | // TR photons produce hits with negative charge | |
929 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
930 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
931 | ||
932 | // Now the real local coordinate system of the ROC | |
933 | // column direction: locC | |
934 | // row direction: locR | |
935 | // time direction: locT | |
936 | // locR and locC are identical to the coordinates of the corresponding | |
937 | // volumina of the drift or amplification region. | |
938 | // locT is defined relative to the wire plane (i.e. middle of amplification | |
26d3c914 | 939 | // region), meaning locT = 0, and is negative for hits coming from the |
625f5260 | 940 | // drift region. |
941 | Double_t locC = loc[0]; | |
942 | Double_t locR = loc[1]; | |
943 | Double_t locT = loc[2]; | |
944 | ||
945 | // Electron attachment | |
946 | if (simParam->ElAttachOn()) { | |
947 | if (gRandom->Rndm() < (absdriftlength * elAttachProp)) { | |
948 | continue; | |
f881dc35 | 949 | } |
625f5260 | 950 | } |
951 | ||
952 | // Apply the diffusion smearing | |
953 | if (simParam->DiffusionOn()) { | |
954 | if (!(Diffusion(driftvelocity,absdriftlength,locR,locC,locT))) { | |
955 | continue; | |
f881dc35 | 956 | } |
f881dc35 | 957 | } |
793ff80c | 958 | |
625f5260 | 959 | // Apply E x B effects (depends on drift direction) |
960 | if (commonParam->ExBOn()) { | |
961 | if (!(ExB(driftvelocity,driftlength,locC))) { | |
4329977a | 962 | continue; |
963 | } | |
729161c5 | 964 | } |
965 | ||
625f5260 | 966 | // The electron position after diffusion and ExB in pad coordinates. |
4329977a | 967 | // The pad row (z-direction) |
625f5260 | 968 | rowE = padPlane->GetPadRowNumberROC(locR); |
969 | if (rowE < 0) continue; | |
970 | rowOffset = padPlane->GetPadRowOffsetROC(rowE,locR); | |
4329977a | 971 | |
972 | // The pad column (rphi-direction) | |
625f5260 | 973 | offsetTilt = padPlane->GetTiltOffset(rowOffset); |
974 | colE = padPlane->GetPadColNumber(locC+offsetTilt); | |
975 | if (colE < 0) continue; | |
976 | colOffset = padPlane->GetPadColOffset(colE,locC+offsetTilt); | |
b65e5048 | 977 | |
625f5260 | 978 | // Also re-retrieve drift velocity because col and row may have changed |
979 | driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
980 | Float_t t0 = calT0DetValue + calT0ROC->GetValue(colE,rowE); | |
981 | ||
982 | // Convert the position to drift time [mus], using either constant drift velocity or | |
983 | // time structure of drift cells (non-isochronity, GARFIELD calculation). | |
984 | // Also add absolute time of hits to take pile-up events into account properly | |
985 | Double_t drifttime; | |
986 | if (simParam->TimeStructOn()) { | |
987 | // Get z-position with respect to anode wire | |
58897a75 | 988 | Double_t zz = row0 - locR + padPlane->GetAnodeWireOffset(); |
625f5260 | 989 | zz -= ((Int_t)(2 * zz)) / 2.0; |
990 | if (zz > 0.25) { | |
991 | zz = 0.5 - zz; | |
992 | } | |
993 | // Use drift time map (GARFIELD) | |
a076fc2f | 994 | drifttime = commonParam->TimeStruct(driftvelocity,0.5*kAmWidth-1.0*locT,zz) |
625f5260 | 995 | + hittime; |
996 | } | |
997 | else { | |
998 | // Use constant drift velocity | |
26d3c914 | 999 | drifttime = TMath::Abs(locT) / driftvelocity |
625f5260 | 1000 | + hittime; |
4329977a | 1001 | } |
625f5260 | 1002 | |
1003 | // Apply the gas gain including fluctuations | |
1004 | Double_t ggRndm = 0.0; | |
1005 | do { | |
1006 | ggRndm = gRandom->Rndm(); | |
1007 | } while (ggRndm <= 0); | |
eb52b657 | 1008 | Double_t signal = -(simParam->GetGasGain()) * TMath::Log(ggRndm); |
625f5260 | 1009 | |
1010 | // Apply the pad response | |
1011 | if (simParam->PRFOn()) { | |
1012 | // The distance of the electron to the center of the pad | |
1013 | // in units of pad width | |
1014 | Double_t dist = (colOffset - 0.5*padPlane->GetColSize(colE)) | |
1015 | / padPlane->GetColSize(colE); | |
1016 | // This is a fixed parametrization, i.e. not dependent on | |
1017 | // calibration values ! | |
053767a4 | 1018 | if (!(calibration->PadResponse(signal,dist,layer,padSignal))) continue; |
625f5260 | 1019 | } |
1020 | else { | |
1021 | padSignal[0] = 0.0; | |
1022 | padSignal[1] = signal; | |
1023 | padSignal[2] = 0.0; | |
4329977a | 1024 | } |
f881dc35 | 1025 | |
625f5260 | 1026 | // The time bin (always positive), with t0 distortion |
1027 | Double_t timeBinIdeal = drifttime * samplingRate + t0; | |
1028 | // Protection | |
1029 | if (TMath::Abs(timeBinIdeal) > 2*nTimeTotal) { | |
1030 | timeBinIdeal = 2 * nTimeTotal; | |
1031 | } | |
1032 | Int_t timeBinTruncated = ((Int_t) timeBinIdeal); | |
1033 | // The distance of the position to the middle of the timebin | |
1034 | Double_t timeOffset = ((Float_t) timeBinTruncated | |
1035 | + 0.5 - timeBinIdeal) / samplingRate; | |
3551db50 | 1036 | |
625f5260 | 1037 | // Sample the time response inside the drift region |
1038 | // + additional time bins before and after. | |
1039 | // The sampling is done always in the middle of the time bin | |
1040 | for (Int_t iTimeBin = TMath::Max(timeBinTruncated,0) | |
1041 | ;iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal) | |
1042 | ;iTimeBin++) { | |
1043 | ||
1044 | // Apply the time response | |
1045 | Double_t timeResponse = 1.0; | |
1046 | Double_t crossTalk = 0.0; | |
1047 | Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; | |
58897a75 | 1048 | |
625f5260 | 1049 | if (simParam->TRFOn()) { |
1050 | timeResponse = simParam->TimeResponse(time); | |
f881dc35 | 1051 | } |
625f5260 | 1052 | if (simParam->CTOn()) { |
1053 | crossTalk = simParam->CrossTalk(time); | |
f881dc35 | 1054 | } |
e23fbb27 | 1055 | |
625f5260 | 1056 | signalOld[0] = 0.0; |
1057 | signalOld[1] = 0.0; | |
1058 | signalOld[2] = 0.0; | |
e23fbb27 | 1059 | |
625f5260 | 1060 | for (iPad = 0; iPad < kNpad; iPad++) { |
f7336fa3 | 1061 | |
625f5260 | 1062 | Int_t colPos = colE + iPad - 1; |
1063 | if (colPos < 0) continue; | |
1064 | if (colPos >= nColMax) break; | |
e23fbb27 | 1065 | |
625f5260 | 1066 | // Add the signals |
b65e5048 | 1067 | signalOld[iPad] = signals->GetData(rowE,colPos,iTimeBin); |
e23fbb27 | 1068 | |
625f5260 | 1069 | if (colPos != colE) { |
1070 | // Cross talk added to non-central pads | |
1071 | signalOld[iPad] += padSignal[iPad] | |
1072 | * (timeResponse + crossTalk); | |
1073 | } | |
1074 | else { | |
1075 | // W/o cross talk at central pad | |
1076 | signalOld[iPad] += padSignal[iPad] | |
1077 | * timeResponse; | |
1078 | } | |
f881dc35 | 1079 | |
b65e5048 | 1080 | signals->SetData(rowE,colPos,iTimeBin,signalOld[iPad]); |
625f5260 | 1081 | |
1082 | // Store the track index in the dictionary | |
1083 | // Note: We store index+1 in order to allow the array to be compressed | |
b65e5048 | 1084 | // Note2: Taking out the +1 in track |
625f5260 | 1085 | if (signalOld[iPad] > 0.0) { |
1086 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 1087 | Int_t oldTrack = dictionary[dict]->GetData(rowE,colPos,iTimeBin); |
1088 | if (oldTrack == track) break; | |
1089 | if (oldTrack == -1 ) { | |
1090 | dictionary[dict]->SetData(rowE,colPos,iTimeBin,track); | |
1091 | break; | |
1092 | } | |
f881dc35 | 1093 | } |
625f5260 | 1094 | } |
872a7aba | 1095 | |
625f5260 | 1096 | } // Loop: pads |
f7336fa3 | 1097 | |
625f5260 | 1098 | } // Loop: time bins |
f7336fa3 | 1099 | |
625f5260 | 1100 | } // Loop: electrons of a single hit |
f7336fa3 | 1101 | |
625f5260 | 1102 | } // Loop: hits |
f7336fa3 | 1103 | |
625f5260 | 1104 | AliDebug(2,Form("Finished analyzing %d hits",nhit)); |
e23fbb27 | 1105 | |
625f5260 | 1106 | return kTRUE; |
e23fbb27 | 1107 | |
625f5260 | 1108 | } |
793ff80c | 1109 | |
625f5260 | 1110 | //_____________________________________________________________________________ |
b65e5048 | 1111 | Bool_t AliTRDdigitizer::ConvertSignals(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1112 | { |
4329977a | 1113 | // |
625f5260 | 1114 | // Convert signals to digits |
4329977a | 1115 | // |
1116 | ||
625f5260 | 1117 | AliDebug(1,Form("Start converting the signals for detector %d",det)); |
1118 | ||
1119 | if (fSDigits) { | |
1120 | // Convert the signal array to s-digits | |
1121 | if (!Signal2SDigits(det,signals)) { | |
1122 | return kFALSE; | |
793ff80c | 1123 | } |
625f5260 | 1124 | } |
1125 | else { | |
1126 | // Convert the signal array to digits | |
1127 | if (!Signal2ADC(det,signals)) { | |
1128 | return kFALSE; | |
793ff80c | 1129 | } |
d295185b | 1130 | // Run digital processing for digits |
1131 | RunDigitalProcessing(det); | |
625f5260 | 1132 | } |
f7336fa3 | 1133 | |
625f5260 | 1134 | // Compress the arrays |
b65e5048 | 1135 | CompressOutputArrays(det); |
6244debe | 1136 | |
625f5260 | 1137 | return kTRUE; |
6244debe | 1138 | |
625f5260 | 1139 | } |
4329977a | 1140 | |
625f5260 | 1141 | //_____________________________________________________________________________ |
b65e5048 | 1142 | Bool_t AliTRDdigitizer::Signal2ADC(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1143 | { |
1144 | // | |
1145 | // Converts the sampled electron signals to ADC values for a given chamber | |
1146 | // | |
6244debe | 1147 | |
625f5260 | 1148 | AliDebug(1,Form("Start converting signals to ADC values for detector=%d",det)); |
e23fbb27 | 1149 | |
625f5260 | 1150 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1151 | if (!calibration) { | |
1152 | AliFatal("Could not get calibration object"); | |
1153 | return kFALSE; | |
1154 | } | |
793ff80c | 1155 | |
625f5260 | 1156 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
1157 | if (!simParam) { | |
1158 | AliFatal("Could not get simulation parameters"); | |
1159 | return kFALSE; | |
1160 | } | |
f7336fa3 | 1161 | |
625f5260 | 1162 | // Converts number of electrons to fC |
1163 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
0c24ba98 | 1164 | |
625f5260 | 1165 | // Coupling factor |
1166 | Double_t coupling = simParam->GetPadCoupling() | |
1167 | * simParam->GetTimeCoupling(); | |
1168 | // Electronics conversion factor | |
1169 | Double_t convert = kEl2fC | |
1170 | * simParam->GetChipGain(); | |
1171 | // ADC conversion factor | |
1172 | Double_t adcConvert = simParam->GetADCoutRange() | |
1173 | / simParam->GetADCinRange(); | |
1174 | // The electronics baseline in mV | |
1175 | Double_t baseline = simParam->GetADCbaseline() | |
1176 | / adcConvert; | |
1177 | // The electronics baseline in electrons | |
1178 | Double_t baselineEl = baseline | |
1179 | / convert; | |
1180 | ||
1181 | Int_t row = 0; | |
1182 | Int_t col = 0; | |
1183 | Int_t time = 0; | |
1184 | ||
1185 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1186 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
966f6939 | 1187 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(); |
abaf1f1d | 1188 | |
625f5260 | 1189 | // The gainfactor calibration objects |
1190 | const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1191 | AliTRDCalROC *calGainFactorROC = 0; | |
1192 | Float_t calGainFactorDetValue = 0.0; | |
f7336fa3 | 1193 | |
b65e5048 | 1194 | AliTRDarrayADC *digits = 0x0; |
e23fbb27 | 1195 | |
625f5260 | 1196 | if (!signals) { |
1197 | AliError(Form("Signals array for detector %d does not exist\n",det)); | |
1198 | return kFALSE; | |
1199 | } | |
1200 | if (signals->HasData()) { | |
1201 | // Expand the container if neccessary | |
b65e5048 | 1202 | signals->Expand(); |
625f5260 | 1203 | } |
1204 | else { | |
1205 | // Create missing containers | |
1206 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
f7336fa3 | 1207 | } |
1208 | ||
625f5260 | 1209 | // Get the container for the digits of this detector |
1210 | if (fDigitsManager->HasSDigits()) { | |
1211 | AliError("Digits manager has s-digits"); | |
1212 | return kFALSE; | |
1213 | } | |
b65e5048 | 1214 | |
1215 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
625f5260 | 1216 | // Allocate memory space for the digits buffer |
1217 | if (!digits->HasData()) { | |
1218 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
0c24ba98 | 1219 | } |
1220 | ||
625f5260 | 1221 | // Get the calibration objects |
1222 | calGainFactorROC = calibration->GetGainFactorROC(det); | |
1223 | calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
abaf1f1d | 1224 | |
625f5260 | 1225 | // Create the digits for this chamber |
1226 | for (row = 0; row < nRowMax; row++ ) { | |
1227 | for (col = 0; col < nColMax; col++ ) { | |
abaf1f1d | 1228 | |
625f5260 | 1229 | // Check whether pad is masked |
1230 | // Bridged pads are not considered yet!!! | |
1231 | if (calibration->IsPadMasked(det,col,row)) { | |
1232 | continue; | |
1233 | } | |
abaf1f1d | 1234 | |
625f5260 | 1235 | // The gain factors |
1236 | Float_t padgain = calGainFactorDetValue | |
1237 | * calGainFactorROC->GetValue(col,row); | |
1238 | if (padgain <= 0) { | |
1239 | AliError(Form("Not a valid gain %f, %d %d %d",padgain,det,col,row)); | |
1240 | } | |
abaf1f1d | 1241 | |
625f5260 | 1242 | for (time = 0; time < nTimeTotal; time++) { |
1243 | ||
1244 | // Get the signal amplitude | |
b65e5048 | 1245 | Float_t signalAmp = signals->GetData(row,col,time); |
625f5260 | 1246 | // Pad and time coupling |
1247 | signalAmp *= coupling; | |
1248 | // Gain factors | |
1249 | signalAmp *= padgain; | |
1250 | ||
1251 | // Add the noise, starting from minus ADC baseline in electrons | |
1252 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) | |
1253 | ,-baselineEl); | |
1254 | ||
1255 | // Convert to mV | |
1256 | signalAmp *= convert; | |
1257 | // Add ADC baseline in mV | |
1258 | signalAmp += baseline; | |
1259 | ||
1260 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
1261 | // signal is larger than fADCinRange | |
1262 | Short_t adc = 0; | |
1263 | if (signalAmp >= simParam->GetADCinRange()) { | |
1264 | adc = ((Short_t) simParam->GetADCoutRange()); | |
1265 | } | |
1266 | else { | |
1267 | adc = TMath::Nint(signalAmp * adcConvert); | |
1268 | } | |
abaf1f1d | 1269 | |
b65e5048 | 1270 | // Saving all digits |
1271 | digits->SetData(row,col,time,adc); | |
abaf1f1d | 1272 | |
625f5260 | 1273 | } // for: time |
b65e5048 | 1274 | |
625f5260 | 1275 | } // for: col |
1276 | } // for: row | |
b1113c6b | 1277 | |
625f5260 | 1278 | return kTRUE; |
b1113c6b | 1279 | |
1280 | } | |
1281 | ||
abaf1f1d | 1282 | //_____________________________________________________________________________ |
b65e5048 | 1283 | Bool_t AliTRDdigitizer::Signal2SDigits(Int_t det, AliTRDarraySignal *signals) |
abaf1f1d | 1284 | { |
1285 | // | |
625f5260 | 1286 | // Converts the sampled electron signals to s-digits |
abaf1f1d | 1287 | // |
1288 | ||
625f5260 | 1289 | AliDebug(1,Form("Start converting signals to s-digits for detector=%d",det)); |
abaf1f1d | 1290 | |
4329977a | 1291 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1292 | if (!calibration) { |
4329977a | 1293 | AliFatal("Could not get calibration object"); |
3551db50 | 1294 | return kFALSE; |
1295 | } | |
6bf5f0ce | 1296 | |
625f5260 | 1297 | Int_t row = 0; |
1298 | Int_t col = 0; | |
1299 | Int_t time = 0; | |
9afbd7de | 1300 | |
625f5260 | 1301 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); |
1302 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
966f6939 | 1303 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(); |
e23fbb27 | 1304 | |
625f5260 | 1305 | // Get the container for the digits of this detector |
b65e5048 | 1306 | |
625f5260 | 1307 | if (!fDigitsManager->HasSDigits()) { |
1308 | AliError("Digits manager has no s-digits"); | |
1309 | return kFALSE; | |
1310 | } | |
b65e5048 | 1311 | |
1312 | AliTRDarraySignal *digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
625f5260 | 1313 | // Allocate memory space for the digits buffer |
1314 | if (!digits->HasData()) { | |
1315 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1316 | } | |
e23fbb27 | 1317 | |
625f5260 | 1318 | // Create the sdigits for this chamber |
1319 | for (row = 0; row < nRowMax; row++ ) { | |
1320 | for (col = 0; col < nColMax; col++ ) { | |
1321 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1322 | digits->SetData(row,col,time,signals->GetData(row,col,time)); |
625f5260 | 1323 | } // for: time |
1324 | } // for: col | |
1325 | } // for: row | |
b65e5048 | 1326 | |
625f5260 | 1327 | return kTRUE; |
abaf1f1d | 1328 | |
625f5260 | 1329 | } |
abaf1f1d | 1330 | |
e7539003 | 1331 | //_____________________________________________________________________________ |
621310dd | 1332 | Bool_t AliTRDdigitizer::Digits2SDigits(AliTRDdigitsManager * const manDig |
1333 | , AliTRDdigitsManager * const manSDig) | |
e7539003 | 1334 | { |
1335 | // | |
1336 | // Converts digits into s-digits. Needed for embedding into real data. | |
1337 | // | |
1338 | ||
1339 | AliDebug(1,"Start converting digits to s-digits"); | |
1340 | ||
6b4a4228 | 1341 | if (!fGeo) { |
1342 | fGeo = new AliTRDgeometry(); | |
1343 | } | |
1344 | ||
e7539003 | 1345 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1346 | if (!calibration) { | |
1347 | AliFatal("Could not get calibration object"); | |
1348 | return kFALSE; | |
1349 | } | |
1350 | ||
1351 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); | |
1352 | if (!simParam) { | |
1353 | AliFatal("Could not get simulation parameters"); | |
1354 | return kFALSE; | |
1355 | } | |
1356 | ||
1357 | // Converts number of electrons to fC | |
1358 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
1359 | ||
1360 | // Coupling factor | |
1361 | Double_t coupling = simParam->GetPadCoupling() | |
1362 | * simParam->GetTimeCoupling(); | |
1363 | // Electronics conversion factor | |
1364 | Double_t convert = kEl2fC | |
1365 | * simParam->GetChipGain(); | |
1366 | // ADC conversion factor | |
1367 | Double_t adcConvert = simParam->GetADCoutRange() | |
1368 | / simParam->GetADCinRange(); | |
1369 | // The electronics baseline in mV | |
1370 | Double_t baseline = simParam->GetADCbaseline() | |
1371 | / adcConvert; | |
1372 | // The electronics baseline in electrons | |
6b4a4228 | 1373 | //Double_t baselineEl = baseline |
1374 | // / convert; | |
e7539003 | 1375 | |
1376 | // The gainfactor calibration objects | |
1377 | //const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1378 | //AliTRDCalROC *calGainFactorROC = 0; | |
1379 | //Float_t calGainFactorDetValue = 0.0; | |
1380 | ||
1381 | Int_t row = 0; | |
1382 | Int_t col = 0; | |
1383 | Int_t time = 0; | |
1384 | ||
1385 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1386 | ||
1387 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1388 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1389 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
1390 | ||
1391 | // Get the calibration objects | |
1392 | //calGainFactorROC = calibration->GetGainFactorROC(det); | |
1393 | //calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
1394 | ||
1395 | // Get the digits | |
1396 | AliTRDarrayADC *digits = (AliTRDarrayADC *) manDig->GetDigits(det); | |
1397 | ||
1398 | if (!manSDig->HasSDigits()) { | |
1399 | AliError("SDigits manager has no s-digits"); | |
1400 | return kFALSE; | |
1401 | } | |
1402 | // Get the s-digits | |
1403 | AliTRDarraySignal *sdigits = (AliTRDarraySignal *) manSDig->GetSDigits(det); | |
1404 | AliTRDarrayDictionary *tracks0 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,0); | |
1405 | AliTRDarrayDictionary *tracks1 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,1); | |
1406 | AliTRDarrayDictionary *tracks2 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,2); | |
1407 | // Allocate memory space for the digits buffer | |
1408 | sdigits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1409 | tracks0->Allocate(nRowMax,nColMax,nTimeTotal); | |
1410 | tracks1->Allocate(nRowMax,nColMax,nTimeTotal); | |
1411 | tracks2->Allocate(nRowMax,nColMax,nTimeTotal); | |
1412 | ||
45d77489 | 1413 | if (digits->HasData()) { |
1414 | ||
1415 | digits->Expand(); | |
1416 | ||
1417 | // Create the sdigits for this chamber | |
1418 | for (row = 0; row < nRowMax; row++ ) { | |
1419 | for (col = 0; col < nColMax; col++ ) { | |
1420 | ||
1421 | // The gain factors | |
1422 | //Float_t padgain = calGainFactorDetValue | |
1423 | // * calGainFactorROC->GetValue(col,row); | |
1424 | ||
1425 | for (time = 0; time < nTimeTotal; time++) { | |
1426 | ||
1427 | Short_t adcVal = digits->GetData(row,col,time); | |
1428 | Double_t signal = (Double_t) adcVal; | |
1429 | // ADC -> signal in mV | |
1430 | signal /= adcConvert; | |
1431 | // Subtract baseline in mV | |
1432 | signal -= baseline; | |
1433 | // Signal in mV -> signal in #electrons | |
1434 | signal /= convert; | |
1435 | // Gain factor | |
1436 | //signal /= padgain; // Not needed for real data | |
1437 | // Pad and time coupling | |
1438 | signal /= coupling; | |
1439 | ||
1440 | sdigits->SetData(row,col,time,signal); | |
1441 | tracks0->SetData(row,col,time,0); | |
1442 | tracks1->SetData(row,col,time,0); | |
1443 | tracks2->SetData(row,col,time,0); | |
1444 | ||
1445 | } // for: time | |
1446 | ||
1447 | } // for: col | |
1448 | } // for: row | |
e7539003 | 1449 | |
45d77489 | 1450 | } // if: has data |
1451 | ||
e7539003 | 1452 | sdigits->Compress(0); |
1453 | tracks0->Compress(); | |
1454 | tracks1->Compress(); | |
1455 | tracks2->Compress(); | |
1456 | ||
45d77489 | 1457 | // No compress just remove |
1458 | manDig->RemoveDigits(det); | |
1459 | manDig->RemoveDictionaries(det); | |
1460 | ||
e7539003 | 1461 | } // for: det |
1462 | ||
1463 | return kTRUE; | |
1464 | ||
1465 | } | |
1466 | ||
625f5260 | 1467 | //_____________________________________________________________________________ |
1468 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1469 | { | |
1470 | // | |
1471 | // Merges the input s-digits and converts them to normal digits | |
1472 | // | |
e23fbb27 | 1473 | |
625f5260 | 1474 | if (!MergeSDigits()) { |
1475 | return kFALSE; | |
1476 | } | |
f7336fa3 | 1477 | |
625f5260 | 1478 | return ConvertSDigits(); |
f7336fa3 | 1479 | |
1480 | } | |
1481 | ||
16bf9884 | 1482 | //_____________________________________________________________________________ |
abaf1f1d | 1483 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1484 | { |
1485 | // | |
abaf1f1d | 1486 | // Merges the input s-digits: |
1487 | // - The amplitude of the different inputs are summed up. | |
1488 | // - Of the track IDs from the input dictionaries only one is | |
1489 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1490 | // |
1491 | ||
abaf1f1d | 1492 | // Number of track dictionary arrays |
1493 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1494 | ||
4d18a639 | 1495 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 1496 | if (!simParam) { |
4329977a | 1497 | AliFatal("Could not get simulation parameters"); |
3551db50 | 1498 | return kFALSE; |
1499 | } | |
1500 | ||
4d18a639 | 1501 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1502 | if (!calibration) { |
4329977a | 1503 | AliFatal("Could not get calibration object"); |
3551db50 | 1504 | return kFALSE; |
1505 | } | |
1506 | ||
abaf1f1d | 1507 | Int_t iDict = 0; |
e23fbb27 | 1508 | Int_t jDict = 0; |
abaf1f1d | 1509 | |
b65e5048 | 1510 | AliTRDarraySignal *digitsA; |
1511 | AliTRDarraySignal *digitsB; | |
1512 | AliTRDarrayDictionary *dictionaryA[kNDict]; | |
1513 | AliTRDarrayDictionary *dictionaryB[kNDict]; | |
abaf1f1d | 1514 | |
b65e5048 | 1515 | AliTRDdigitsManager *mergeSDigitsManager = 0x0; |
abaf1f1d | 1516 | // Get the first s-digits |
1517 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
9afbd7de | 1518 | if (!fSDigitsManager) { |
7925de54 | 1519 | AliError("No SDigits manager"); |
9afbd7de | 1520 | return kFALSE; |
1521 | } | |
abaf1f1d | 1522 | |
1523 | // Loop through the other sets of s-digits | |
b65e5048 | 1524 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(fSDigitsManager); |
abaf1f1d | 1525 | |
9afbd7de | 1526 | if (mergeSDigitsManager) { |
7925de54 | 1527 | AliDebug(1,Form("Merge %d input files.",fSDigitsManagerList->GetSize())); |
9afbd7de | 1528 | } |
1529 | else { | |
7925de54 | 1530 | AliDebug(1,"Only one input file."); |
abaf1f1d | 1531 | } |
3551db50 | 1532 | |
b65e5048 | 1533 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); |
abaf1f1d | 1534 | Int_t iMerge = 0; |
b65e5048 | 1535 | |
abaf1f1d | 1536 | while (mergeSDigitsManager) { |
1537 | ||
1538 | iMerge++; | |
b65e5048 | 1539 | |
abaf1f1d | 1540 | // Loop through the detectors |
1541 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1542 | ||
625f5260 | 1543 | Int_t nRowMax = fGeo->GetPadPlane(iDet)->GetNrows(); |
1544 | Int_t nColMax = fGeo->GetPadPlane(iDet)->GetNcols(); | |
b65e5048 | 1545 | |
abaf1f1d | 1546 | // Loop through the pixels of one detector and add the signals |
b65e5048 | 1547 | digitsA = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(iDet); |
1548 | digitsB = (AliTRDarraySignal *) mergeSDigitsManager->GetSDigits(iDet); | |
1549 | digitsA->Expand(); | |
1550 | if (!digitsA->HasData()) continue; | |
1551 | digitsB->Expand(); | |
1552 | if (!digitsB->HasData()) continue; | |
1553 | ||
abaf1f1d | 1554 | for (iDict = 0; iDict < kNDict; iDict++) { |
b65e5048 | 1555 | dictionaryA[iDict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(iDet,iDict); |
1556 | dictionaryB[iDict] = (AliTRDarrayDictionary *) mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1557 | dictionaryA[iDict]->Expand(); | |
abaf1f1d | 1558 | dictionaryB[iDict]->Expand(); |
1559 | } | |
1560 | ||
4487dad0 | 1561 | // Merge only detectors that contain a signal |
1562 | Bool_t doMerge = kTRUE; | |
1563 | if (fMergeSignalOnly) { | |
b65e5048 | 1564 | if (digitsA->GetOverThreshold(0) == 0) { |
1565 | doMerge = kFALSE; | |
4487dad0 | 1566 | } |
abaf1f1d | 1567 | } |
b65e5048 | 1568 | |
4487dad0 | 1569 | if (doMerge) { |
b65e5048 | 1570 | |
1571 | AliDebug(1,Form("Merge detector %d of input no.%d",iDet,iMerge+1)); | |
1572 | ||
1573 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { | |
1574 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1575 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1576 | ||
4487dad0 | 1577 | // Add the amplitudes of the summable digits |
b65e5048 | 1578 | Float_t ampA = digitsA->GetData(iRow,iCol,iTime); |
1579 | Float_t ampB = digitsB->GetData(iRow,iCol,iTime); | |
1580 | ampA += ampB; | |
1581 | digitsA->SetData(iRow,iCol,iTime,ampA); | |
1582 | ||
1583 | // Add the mask to the track id if defined. | |
1584 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1585 | Int_t trackB = dictionaryB[iDict]->GetData(iRow,iCol,iTime); | |
1586 | if ((fMasks) && (trackB > 0)) { | |
1587 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1588 | Int_t trackA = dictionaryA[iDict]->GetData(iRow,iCol,iTime); | |
1589 | if (trackA == 0) { | |
1590 | trackA = trackB + fMasks[iMerge]; | |
1591 | dictionaryA[iDict]->SetData(iRow,iCol,iTime,trackA); | |
625f5260 | 1592 | } // if: track A == 0 |
b65e5048 | 1593 | } // for: jDict |
1594 | } // if: fMasks and trackB > 0 | |
625f5260 | 1595 | } // for: iDict |
abaf1f1d | 1596 | |
625f5260 | 1597 | } // for: iTime |
1598 | } // for: iCol | |
1599 | } // for: iRow | |
4487dad0 | 1600 | |
625f5260 | 1601 | } // if: doMerge |
1602 | ||
1603 | mergeSDigitsManager->RemoveDigits(iDet); | |
1604 | mergeSDigitsManager->RemoveDictionaries(iDet); | |
b65e5048 | 1605 | |
abaf1f1d | 1606 | if (fCompress) { |
b65e5048 | 1607 | digitsA->Compress(0); |
1608 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1609 | dictionaryA[iDict]->Compress(); | |
abaf1f1d | 1610 | } |
1611 | } | |
b65e5048 | 1612 | |
625f5260 | 1613 | } // for: detectors |
b65e5048 | 1614 | |
abaf1f1d | 1615 | // The next set of s-digits |
b65e5048 | 1616 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(mergeSDigitsManager); |
1617 | ||
625f5260 | 1618 | } // while: mergeDigitsManagers |
b65e5048 | 1619 | |
625f5260 | 1620 | return kTRUE; |
1621 | ||
1622 | } | |
1623 | ||
1624 | //_____________________________________________________________________________ | |
1625 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1626 | { | |
1627 | // | |
1628 | // Converts s-digits to normal digits | |
1629 | // | |
1630 | ||
b65e5048 | 1631 | AliTRDarraySignal *digitsIn = 0x0; |
625f5260 | 1632 | |
1633 | if (!fSDigitsManager->HasSDigits()) { | |
1634 | AliError("No s-digits in digits manager"); | |
1635 | return kFALSE; | |
abaf1f1d | 1636 | } |
1637 | ||
625f5260 | 1638 | // Loop through the detectors |
1639 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1640 | ||
1641 | // Get the merged s-digits (signals) | |
b65e5048 | 1642 | digitsIn = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(det); |
625f5260 | 1643 | if (!digitsIn->HasData()) { |
1644 | AliDebug(2,Form("No digits for det=%d",det)); | |
1645 | continue; | |
1646 | } | |
b0a41e80 | 1647 | |
625f5260 | 1648 | // Convert the merged sdigits to digits |
1649 | if (!Signal2ADC(det,digitsIn)) { | |
1650 | continue; | |
1651 | } | |
1652 | ||
1653 | // Copy the dictionary information to the output array | |
1654 | if (!CopyDictionary(det)) { | |
1655 | continue; | |
1656 | } | |
1657 | ||
1658 | // Delete | |
1659 | fSDigitsManager->RemoveDigits(det); | |
1660 | fSDigitsManager->RemoveDictionaries(det); | |
1661 | ||
d295185b | 1662 | // Run digital processing |
1663 | RunDigitalProcessing(det); | |
1664 | ||
625f5260 | 1665 | // Compress the arrays |
1666 | CompressOutputArrays(det); | |
1667 | ||
1668 | } // for: detector numbers | |
1669 | ||
b0a41e80 | 1670 | |
16bf9884 | 1671 | return kTRUE; |
1672 | ||
1673 | } | |
1674 | ||
abaf1f1d | 1675 | //_____________________________________________________________________________ |
625f5260 | 1676 | Bool_t AliTRDdigitizer::CopyDictionary(Int_t det) |
abaf1f1d | 1677 | { |
1678 | // | |
625f5260 | 1679 | // Copies the dictionary information from the s-digits arrays |
1680 | // to the output arrays | |
abaf1f1d | 1681 | // |
1682 | ||
625f5260 | 1683 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1684 | if (!calibration) { | |
1685 | AliFatal("Could not get calibration object"); | |
4d18a639 | 1686 | return kFALSE; |
1687 | } | |
abaf1f1d | 1688 | |
625f5260 | 1689 | AliDebug(1,Form("Start copying dictionaries for detector=%d",det)); |
1690 | ||
1691 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1692 | AliTRDarrayDictionary *dictionaryIn[kNDict]; |
1693 | AliTRDarrayDictionary *dictionaryOut[kNDict]; | |
625f5260 | 1694 | |
1695 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1696 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1697 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
1698 | ||
1699 | Int_t row = 0; | |
1700 | Int_t col = 0; | |
1701 | Int_t time = 0; | |
1702 | Int_t dict = 0; | |
1703 | ||
1704 | for (dict = 0; dict < kNDict; dict++) { | |
1705 | ||
b65e5048 | 1706 | dictionaryIn[dict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(det,dict); |
625f5260 | 1707 | dictionaryIn[dict]->Expand(); |
b65e5048 | 1708 | dictionaryOut[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 1709 | dictionaryOut[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
1710 | ||
1711 | for (row = 0; row < nRowMax; row++) { | |
1712 | for (col = 0; col < nColMax; col++) { | |
1713 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1714 | Int_t track = dictionaryIn[dict]->GetData(row,col,time); |
1715 | dictionaryOut[dict]->SetData(row,col,time,track); | |
625f5260 | 1716 | } // for: time |
1717 | } // for: col | |
1718 | } // for: row | |
b65e5048 | 1719 | |
625f5260 | 1720 | } // for: dictionaries |
b65e5048 | 1721 | |
625f5260 | 1722 | return kTRUE; |
1723 | ||
1724 | } | |
1725 | ||
1726 | //_____________________________________________________________________________ | |
1727 | void AliTRDdigitizer::CompressOutputArrays(Int_t det) | |
1728 | { | |
1729 | // | |
1730 | // Compress the output arrays | |
1731 | // | |
1732 | ||
1733 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1734 | AliTRDarrayDictionary *dictionary = 0x0; |
625f5260 | 1735 | |
1736 | if (fCompress) { | |
1737 | ||
b65e5048 | 1738 | if (!fSDigits) { |
1739 | AliTRDarrayADC *digits = 0x0; | |
1740 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
1741 | digits->Compress(); | |
1742 | } | |
1743 | ||
1744 | if (fSDigits) { | |
1745 | AliTRDarraySignal *digits = 0x0; | |
1746 | digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
1747 | digits->Compress(0); | |
1748 | } | |
1749 | ||
625f5260 | 1750 | for (Int_t dict = 0; dict < kNDict; dict++) { |
b65e5048 | 1751 | dictionary = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
1752 | dictionary->Compress(); | |
625f5260 | 1753 | } |
1754 | ||
1755 | } | |
abaf1f1d | 1756 | |
1757 | } | |
1758 | ||
f7336fa3 | 1759 | //_____________________________________________________________________________ |
0a29d0f1 | 1760 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1761 | { |
1762 | // | |
1763 | // Writes out the TRD-digits and the dictionaries | |
1764 | // | |
1765 | ||
4d18a639 | 1766 | // Write parameters |
bdbb05bb | 1767 | fRunLoader->CdGAFile(); |
bdbb05bb | 1768 | |
da581aea | 1769 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1770 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1771 | |
1772 | } | |
793ff80c | 1773 | |
8e64dd77 | 1774 | //_____________________________________________________________________________ |
88cb7938 | 1775 | void AliTRDdigitizer::InitOutput(Int_t iEvent) |
8e64dd77 | 1776 | { |
1777 | // | |
1778 | // Initializes the output branches | |
1779 | // | |
1780 | ||
1781 | fEvent = iEvent; | |
88cb7938 | 1782 | |
9afbd7de | 1783 | if (!fRunLoader) { |
1784 | AliError("Run Loader is NULL"); | |
1785 | return; | |
1786 | } | |
1787 | ||
4329977a | 1788 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 1789 | if (!loader) { |
1790 | AliError("Can not get TRD loader from Run Loader"); | |
1791 | return; | |
1792 | } | |
88cb7938 | 1793 | |
4d18a639 | 1794 | TTree *tree = 0; |
88cb7938 | 1795 | |
9afbd7de | 1796 | if (fSDigits) { |
1797 | // If we produce SDigits | |
88cb7938 | 1798 | tree = loader->TreeS(); |
9afbd7de | 1799 | if (!tree) { |
88cb7938 | 1800 | loader->MakeTree("S"); |
1801 | tree = loader->TreeS(); | |
9afbd7de | 1802 | } |
1803 | } | |
1804 | else { | |
1805 | // If we produce Digits | |
1806 | tree = loader->TreeD(); | |
1807 | if (!tree) { | |
1808 | loader->MakeTree("D"); | |
1809 | tree = loader->TreeD(); | |
1810 | } | |
1811 | } | |
88cb7938 | 1812 | fDigitsManager->SetEvent(iEvent); |
1813 | fDigitsManager->MakeBranch(tree); | |
8e64dd77 | 1814 | |
1815 | } | |
3551db50 | 1816 | |
3551db50 | 1817 | //_____________________________________________________________________________ |
a076fc2f | 1818 | Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t absdriftlength |
1819 | , Double_t &lRow, Double_t &lCol, Double_t &lTime) | |
3551db50 | 1820 | { |
1821 | // | |
a076fc2f | 1822 | // Applies the diffusion smearing to the position of a single electron. |
1823 | // Depends on absolute drift length. | |
3551db50 | 1824 | // |
1825 | ||
a076fc2f | 1826 | Float_t diffL = 0.0; |
1827 | Float_t diffT = 0.0; | |
4d18a639 | 1828 | |
a076fc2f | 1829 | if (AliTRDCommonParam::Instance()->GetDiffCoeff(diffL,diffT,vdrift)) { |
3551db50 | 1830 | |
a076fc2f | 1831 | Float_t driftSqrt = TMath::Sqrt(absdriftlength); |
1832 | Float_t sigmaT = driftSqrt * diffT; | |
1833 | Float_t sigmaL = driftSqrt * diffL; | |
1834 | lRow = gRandom->Gaus(lRow ,sigmaT); | |
1835 | lCol = gRandom->Gaus(lCol ,sigmaT * GetLorentzFactor(vdrift)); | |
1836 | lTime = gRandom->Gaus(lTime,sigmaL * GetLorentzFactor(vdrift)); | |
4d18a639 | 1837 | |
a076fc2f | 1838 | return 1; |
7754cd1f | 1839 | |
3551db50 | 1840 | } |
a076fc2f | 1841 | else { |
3551db50 | 1842 | |
a076fc2f | 1843 | return 0; |
1b95a37b | 1844 | |
3551db50 | 1845 | } |
9afbd7de | 1846 | |
3551db50 | 1847 | } |
3551db50 | 1848 | |
1849 | //_____________________________________________________________________________ | |
1850 | Float_t AliTRDdigitizer::GetLorentzFactor(Float_t vd) | |
1851 | { | |
9afbd7de | 1852 | // |
a076fc2f | 1853 | // Returns the Lorentz factor |
9afbd7de | 1854 | // |
1855 | ||
a076fc2f | 1856 | Double_t omegaTau = AliTRDCommonParam::Instance()->GetOmegaTau(vd); |
1857 | Double_t lorentzFactor = 1.0; | |
1858 | if (AliTRDCommonParam::Instance()->ExBOn()) { | |
1859 | lorentzFactor = 1.0 / (1.0 + omegaTau*omegaTau); | |
1860 | } | |
4d18a639 | 1861 | |
a076fc2f | 1862 | return lorentzFactor; |
9afbd7de | 1863 | |
3551db50 | 1864 | } |
1865 | ||
1866 | //_____________________________________________________________________________ | |
4329977a | 1867 | Int_t AliTRDdigitizer::ExB(Float_t vdrift, Double_t driftlength, Double_t &lCol) |
3551db50 | 1868 | { |
1869 | // | |
4329977a | 1870 | // Applies E x B effects to the position of a single electron. |
1871 | // Depends on signed drift length. | |
3551db50 | 1872 | // |
4329977a | 1873 | |
a076fc2f | 1874 | lCol = lCol |
1875 | + AliTRDCommonParam::Instance()->GetOmegaTau(vdrift) | |
1876 | * driftlength; | |
3551db50 | 1877 | |
1878 | return 1; | |
9afbd7de | 1879 | |
3551db50 | 1880 | } |
b65e5048 | 1881 | |
1882 | //_____________________________________________________________________________ | |
d295185b | 1883 | void AliTRDdigitizer::RunDigitalProcessing(Int_t det) |
b65e5048 | 1884 | { |
1885 | // | |
b0a41e80 | 1886 | // Run the digital processing in the TRAP |
b65e5048 | 1887 | // |
1888 | ||
b0a41e80 | 1889 | AliTRDfeeParam *feeParam = AliTRDfeeParam::Instance(); |
b65e5048 | 1890 | |
1891 | //Create and initialize the mcm object | |
b0a41e80 | 1892 | AliTRDmcmSim* mcmfast = new AliTRDmcmSim(); |
b65e5048 | 1893 | |
d295185b | 1894 | AliTRDarrayADC *digits = fDigitsManager->GetDigits(det); |
1895 | if (!digits) | |
1896 | return; | |
1897 | ||
b65e5048 | 1898 | //Call the methods in the mcm class using the temporary array as input |
64e3d742 | 1899 | for(Int_t rob = 0; rob < digits->GetNrow() / 2; rob++) |
b0a41e80 | 1900 | { |
1901 | for(Int_t mcm = 0; mcm < 16; mcm++) | |
b65e5048 | 1902 | { |
b0a41e80 | 1903 | mcmfast->Init(det, rob, mcm); |
40bd6ee4 | 1904 | mcmfast->SetData(digits, fDigitsManager); |
b65e5048 | 1905 | mcmfast->Filter(); |
c8b1590d | 1906 | if (feeParam->GetTracklet()) { |
b0a41e80 | 1907 | mcmfast->Tracklet(); |
c8b1590d | 1908 | mcmfast->StoreTracklets(); |
1909 | } | |
b65e5048 | 1910 | mcmfast->ZSMapping(); |
b0a41e80 | 1911 | mcmfast->WriteData(digits); |
b65e5048 | 1912 | } |
b0a41e80 | 1913 | } |
b65e5048 | 1914 | |
b65e5048 | 1915 | delete mcmfast; |
d295185b | 1916 | |
b65e5048 | 1917 | } |