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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) | |
50002f37 | 85 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 86 | ,fEvent(0) |
87 | ,fMasks(0) | |
88 | ,fCompress(kTRUE) | |
89 | ,fSDigits(kFALSE) | |
4d18a639 | 90 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 91 | { |
92 | // | |
93 | // AliTRDdigitizer default constructor | |
94 | // | |
3551db50 | 95 | |
f7336fa3 | 96 | } |
97 | ||
98 | //_____________________________________________________________________________ | |
4d18a639 | 99 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) |
100 | :AliDigitizer(name,title) | |
101 | ,fRunLoader(0) | |
102 | ,fDigitsManager(0) | |
103 | ,fSDigitsManager(0) | |
104 | ,fSDigitsManagerList(0) | |
105 | ,fTRD(0) | |
106 | ,fGeo(0) | |
50002f37 | 107 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 108 | ,fEvent(0) |
109 | ,fMasks(0) | |
110 | ,fCompress(kTRUE) | |
111 | ,fSDigits(kFALSE) | |
4d18a639 | 112 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 113 | { |
114 | // | |
85cbec76 | 115 | // AliTRDdigitizer constructor |
116 | // | |
117 | ||
85cbec76 | 118 | } |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager | |
4d18a639 | 122 | , const Text_t *name, const Text_t *title) |
123 | :AliDigitizer(manager,name,title) | |
124 | ,fRunLoader(0) | |
125 | ,fDigitsManager(0) | |
126 | ,fSDigitsManager(0) | |
127 | ,fSDigitsManagerList(0) | |
128 | ,fTRD(0) | |
129 | ,fGeo(0) | |
50002f37 | 130 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 131 | ,fEvent(0) |
132 | ,fMasks(0) | |
133 | ,fCompress(kTRUE) | |
134 | ,fSDigits(kFALSE) | |
4d18a639 | 135 | ,fMergeSignalOnly(kFALSE) |
85cbec76 | 136 | { |
137 | // | |
138 | // AliTRDdigitizer constructor | |
f7336fa3 | 139 | // |
140 | ||
bfc40adc | 141 | } |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) | |
4d18a639 | 145 | :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") |
146 | ,fRunLoader(0) | |
147 | ,fDigitsManager(0) | |
148 | ,fSDigitsManager(0) | |
149 | ,fSDigitsManagerList(0) | |
150 | ,fTRD(0) | |
151 | ,fGeo(0) | |
50002f37 | 152 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 153 | ,fEvent(0) |
154 | ,fMasks(0) | |
155 | ,fCompress(kTRUE) | |
156 | ,fSDigits(kFALSE) | |
4d18a639 | 157 | ,fMergeSignalOnly(kFALSE) |
bfc40adc | 158 | { |
159 | // | |
160 | // AliTRDdigitizer constructor | |
161 | // | |
162 | ||
f7336fa3 | 163 | } |
164 | ||
8230f242 | 165 | //_____________________________________________________________________________ |
4d18a639 | 166 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) |
167 | :AliDigitizer(d) | |
168 | ,fRunLoader(0) | |
169 | ,fDigitsManager(0) | |
170 | ,fSDigitsManager(0) | |
171 | ,fSDigitsManagerList(0) | |
172 | ,fTRD(0) | |
173 | ,fGeo(0) | |
50002f37 | 174 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 175 | ,fEvent(0) |
176 | ,fMasks(0) | |
177 | ,fCompress(d.fCompress) | |
178 | ,fSDigits(d.fSDigits) | |
4d18a639 | 179 | ,fMergeSignalOnly(d.fMergeSignalOnly) |
8230f242 | 180 | { |
181 | // | |
182 | // AliTRDdigitizer copy constructor | |
183 | // | |
184 | ||
8230f242 | 185 | } |
186 | ||
f7336fa3 | 187 | //_____________________________________________________________________________ |
188 | AliTRDdigitizer::~AliTRDdigitizer() | |
189 | { | |
8230f242 | 190 | // |
191 | // AliTRDdigitizer destructor | |
192 | // | |
f7336fa3 | 193 | |
abaf1f1d | 194 | if (fDigitsManager) { |
195 | delete fDigitsManager; | |
4d18a639 | 196 | fDigitsManager = 0; |
f7336fa3 | 197 | } |
198 | ||
966f6939 | 199 | if (fSDigitsManager) { |
d4cbb500 | 200 | // s-digitsmanager will be deleted via list |
4d18a639 | 201 | fSDigitsManager = 0; |
202 | } | |
f7336fa3 | 203 | |
abaf1f1d | 204 | if (fSDigitsManagerList) { |
47b5729a | 205 | fSDigitsManagerList->Delete(); |
abaf1f1d | 206 | delete fSDigitsManagerList; |
4487dad0 | 207 | fSDigitsManagerList = 0; |
e23fbb27 | 208 | } |
209 | ||
210 | if (fMasks) { | |
211 | delete [] fMasks; | |
4329977a | 212 | fMasks = 0; |
e23fbb27 | 213 | } |
214 | ||
50002f37 | 215 | if (fMcmSim) { |
216 | delete fMcmSim; | |
217 | fMcmSim = 0; | |
218 | } | |
219 | ||
f162af62 | 220 | if (fGeo) { |
221 | delete fGeo; | |
222 | fGeo = 0; | |
223 | } | |
224 | ||
f7336fa3 | 225 | } |
226 | ||
8230f242 | 227 | //_____________________________________________________________________________ |
dd9a6ee3 | 228 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
229 | { | |
230 | // | |
231 | // Assignment operator | |
232 | // | |
233 | ||
625f5260 | 234 | if (this != &d) { |
235 | ((AliTRDdigitizer &) d).Copy(*this); | |
236 | } | |
4d18a639 | 237 | |
dd9a6ee3 | 238 | return *this; |
239 | ||
240 | } | |
241 | ||
242 | //_____________________________________________________________________________ | |
e0d47c25 | 243 | void AliTRDdigitizer::Copy(TObject &d) const |
8230f242 | 244 | { |
245 | // | |
246 | // Copy function | |
247 | // | |
248 | ||
85a5290f | 249 | ((AliTRDdigitizer &) d).fRunLoader = 0; |
4487dad0 | 250 | ((AliTRDdigitizer &) d).fDigitsManager = 0; |
85a5290f | 251 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; |
252 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
4487dad0 | 253 | ((AliTRDdigitizer &) d).fTRD = 0; |
254 | ((AliTRDdigitizer &) d).fGeo = 0; | |
85a5290f | 255 | ((AliTRDdigitizer &) d).fEvent = 0; |
256 | ((AliTRDdigitizer &) d).fMasks = 0; | |
abaf1f1d | 257 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
abaf1f1d | 258 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
4487dad0 | 259 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
3becff3c | 260 | |
e23fbb27 | 261 | } |
262 | ||
e23fbb27 | 263 | //_____________________________________________________________________________ |
621310dd | 264 | void AliTRDdigitizer::Exec(const Option_t * const option) |
e23fbb27 | 265 | { |
266 | // | |
267 | // Executes the merging | |
268 | // | |
269 | ||
270 | Int_t iInput; | |
271 | ||
272 | AliTRDdigitsManager *sdigitsManager; | |
273 | ||
274 | TString optionString = option; | |
275 | if (optionString.Contains("deb")) { | |
9afbd7de | 276 | AliLog::SetClassDebugLevel("AliTRDdigitizer",1); |
7925de54 | 277 | AliInfo("Called with debug option"); |
e23fbb27 | 278 | } |
279 | ||
cec4059b | 280 | // The AliRoot file is already connected by the manager |
625f5260 | 281 | AliRunLoader *inrl = 0x0; |
88cb7938 | 282 | |
9afbd7de | 283 | if (gAlice) { |
7925de54 | 284 | AliDebug(1,"AliRun object found on file."); |
9afbd7de | 285 | } |
4487dad0 | 286 | else { |
88cb7938 | 287 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
288 | inrl->LoadgAlice(); | |
289 | gAlice = inrl->GetAliRun(); | |
9afbd7de | 290 | if (!gAlice) { |
13242232 | 291 | AliError("Could not find AliRun object."); |
9afbd7de | 292 | return; |
293 | } | |
4487dad0 | 294 | } |
cec4059b | 295 | |
e23fbb27 | 296 | Int_t nInput = fManager->GetNinputs(); |
4d18a639 | 297 | fMasks = new Int_t[nInput]; |
e23fbb27 | 298 | for (iInput = 0; iInput < nInput; iInput++) { |
299 | fMasks[iInput] = fManager->GetMask(iInput); | |
300 | } | |
e23fbb27 | 301 | |
9afbd7de | 302 | // |
e23fbb27 | 303 | // Initialization |
9afbd7de | 304 | // |
e23fbb27 | 305 | |
95867fd1 | 306 | AliRunLoader *orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); |
307 | ||
67c67368 | 308 | if (InitDetector()) { |
9afbd7de | 309 | |
95867fd1 | 310 | AliLoader *ogime = orl->GetLoader("TRDLoader"); |
67c67368 | 311 | |
95867fd1 | 312 | TTree *tree = 0; |
9afbd7de | 313 | if (fSDigits) { |
314 | // If we produce SDigits | |
315 | tree = ogime->TreeS(); | |
316 | if (!tree) { | |
317 | ogime->MakeTree("S"); | |
67c67368 | 318 | tree = ogime->TreeS(); |
67c67368 | 319 | } |
9afbd7de | 320 | } |
321 | else { | |
322 | // If we produce Digits | |
323 | tree = ogime->TreeD(); | |
324 | if (!tree) { | |
325 | ogime->MakeTree("D"); | |
326 | tree = ogime->TreeD(); | |
67c67368 | 327 | } |
9afbd7de | 328 | } |
329 | ||
67c67368 | 330 | MakeBranch(tree); |
9afbd7de | 331 | |
67c67368 | 332 | } |
333 | ||
e23fbb27 | 334 | for (iInput = 0; iInput < nInput; iInput++) { |
335 | ||
7925de54 | 336 | AliDebug(1,Form("Add input stream %d",iInput)); |
e23fbb27 | 337 | |
9afbd7de | 338 | // Check if the input tree exists |
88cb7938 | 339 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
4d18a639 | 340 | AliLoader *gime = inrl->GetLoader("TRDLoader"); |
88cb7938 | 341 | |
4d18a639 | 342 | TTree *treees = gime->TreeS(); |
9afbd7de | 343 | if (treees == 0x0) { |
344 | if (gime->LoadSDigits()) { | |
345 | AliError(Form("Error Occured while loading S. Digits for input %d.",iInput)); | |
346 | return; | |
347 | } | |
4d18a639 | 348 | treees = gime->TreeS(); |
9afbd7de | 349 | } |
88cb7938 | 350 | |
351 | if (treees == 0x0) { | |
7925de54 | 352 | AliError(Form("Input stream %d does not exist",iInput)); |
c57e2264 | 353 | return; |
354 | } | |
355 | ||
e23fbb27 | 356 | // Read the s-digits via digits manager |
357 | sdigitsManager = new AliTRDdigitsManager(); | |
e23fbb27 | 358 | sdigitsManager->SetSDigits(kTRUE); |
88cb7938 | 359 | |
4d18a639 | 360 | AliRunLoader *rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
361 | AliLoader *gimme = rl->GetLoader("TRDLoader"); | |
b65e5048 | 362 | if (!gimme->TreeS()) |
363 | { | |
364 | gimme->LoadSDigits(); | |
365 | } | |
e23fbb27 | 366 | |
b65e5048 | 367 | sdigitsManager->ReadDigits(gimme->TreeS()); |
368 | ||
e23fbb27 | 369 | // Add the s-digits to the input list |
370 | AddSDigitsManager(sdigitsManager); | |
371 | ||
372 | } | |
373 | ||
374 | // Convert the s-digits to normal digits | |
7925de54 | 375 | AliDebug(1,"Do the conversion"); |
e23fbb27 | 376 | SDigits2Digits(); |
377 | ||
378 | // Store the digits | |
7925de54 | 379 | AliDebug(1,"Write the digits"); |
e23fbb27 | 380 | fDigitsManager->WriteDigits(); |
88cb7938 | 381 | |
9afbd7de | 382 | // Write parameters |
67c67368 | 383 | orl->CdGAFile(); |
67c67368 | 384 | |
26d3c914 | 385 | // Clean up |
b1113c6b | 386 | DeleteSDigitsManager(); |
387 | ||
26d3c914 | 388 | AliDebug(1,"Done"); |
389 | ||
e23fbb27 | 390 | } |
391 | ||
f7336fa3 | 392 | //_____________________________________________________________________________ |
e23fbb27 | 393 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 394 | { |
395 | // | |
396 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
397 | // | |
f7336fa3 | 398 | // Connect the AliRoot file containing Geometry, Kine, and Hits |
3becff3c | 399 | // |
f540341d | 400 | |
e191bb57 | 401 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
9afbd7de | 402 | |
f540341d | 403 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
9afbd7de | 404 | if (!fRunLoader) { |
405 | fRunLoader = AliRunLoader::Open(file,evfoldname,"UPDATE"); | |
406 | } | |
9afbd7de | 407 | if (!fRunLoader) { |
95867fd1 | 408 | AliError(Form("Can not open session for file %s.",file)); |
409 | return kFALSE; | |
410 | } | |
411 | ||
412 | if (!fRunLoader->GetAliRun()) { | |
413 | fRunLoader->LoadgAlice(); | |
414 | } | |
415 | gAlice = fRunLoader->GetAliRun(); | |
416 | ||
417 | if (gAlice) { | |
7925de54 | 418 | AliDebug(1,"AliRun object found on file."); |
95867fd1 | 419 | } |
420 | else { | |
7925de54 | 421 | AliError("Could not find AliRun object."); |
95867fd1 | 422 | return kFALSE; |
423 | } | |
424 | ||
425 | fEvent = nEvent; | |
426 | ||
427 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
428 | if (!loader) { | |
429 | AliError("Can not get TRD loader from Run Loader"); | |
430 | return kFALSE; | |
431 | } | |
432 | ||
433 | if (InitDetector()) { | |
434 | TTree *tree = 0; | |
435 | if (fSDigits) { | |
436 | // If we produce SDigits | |
437 | tree = loader->TreeS(); | |
438 | if (!tree) { | |
439 | loader->MakeTree("S"); | |
440 | tree = loader->TreeS(); | |
441 | } | |
442 | } | |
443 | else { | |
444 | // If we produce Digits | |
445 | tree = loader->TreeD(); | |
446 | if (!tree) { | |
447 | loader->MakeTree("D"); | |
448 | tree = loader->TreeD(); | |
449 | } | |
450 | } | |
451 | return MakeBranch(tree); | |
452 | } | |
453 | else { | |
454 | return kFALSE; | |
455 | } | |
456 | ||
457 | } | |
458 | ||
459 | //_____________________________________________________________________________ | |
621310dd | 460 | Bool_t AliTRDdigitizer::Open(AliRunLoader * const runLoader, Int_t nEvent) |
95867fd1 | 461 | { |
462 | // | |
463 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
464 | // | |
465 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
466 | // | |
467 | ||
468 | fRunLoader = runLoader; | |
469 | if (!fRunLoader) { | |
470 | AliError("RunLoader does not exist"); | |
471 | return kFALSE; | |
4d18a639 | 472 | } |
88cb7938 | 473 | |
9afbd7de | 474 | if (!fRunLoader->GetAliRun()) { |
475 | fRunLoader->LoadgAlice(); | |
476 | } | |
88cb7938 | 477 | gAlice = fRunLoader->GetAliRun(); |
478 | ||
da581aea | 479 | if (gAlice) { |
7925de54 | 480 | AliDebug(1,"AliRun object found on file."); |
da581aea | 481 | } |
482 | else { | |
7925de54 | 483 | AliError("Could not find AliRun object."); |
da581aea | 484 | return kFALSE; |
485 | } | |
f7336fa3 | 486 | |
487 | fEvent = nEvent; | |
488 | ||
4d18a639 | 489 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 490 | if (!loader) { |
491 | AliError("Can not get TRD loader from Run Loader"); | |
492 | return kFALSE; | |
493 | } | |
88cb7938 | 494 | |
abaf1f1d | 495 | if (InitDetector()) { |
4d18a639 | 496 | TTree *tree = 0; |
9afbd7de | 497 | if (fSDigits) { |
498 | // If we produce SDigits | |
499 | tree = loader->TreeS(); | |
500 | if (!tree) { | |
501 | loader->MakeTree("S"); | |
502 | tree = loader->TreeS(); | |
4d18a639 | 503 | } |
9afbd7de | 504 | } |
505 | else { | |
506 | // If we produce Digits | |
95867fd1 | 507 | tree = loader->TreeD(); |
9afbd7de | 508 | if (!tree) { |
509 | loader->MakeTree("D"); | |
510 | tree = loader->TreeD(); | |
4d18a639 | 511 | } |
9afbd7de | 512 | } |
88cb7938 | 513 | return MakeBranch(tree); |
abaf1f1d | 514 | } |
515 | else { | |
516 | return kFALSE; | |
517 | } | |
793ff80c | 518 | |
519 | } | |
520 | ||
521 | //_____________________________________________________________________________ | |
522 | Bool_t AliTRDdigitizer::InitDetector() | |
523 | { | |
524 | // | |
525 | // Sets the pointer to the TRD detector and the geometry | |
526 | // | |
527 | ||
dd9a6ee3 | 528 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 529 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 530 | if (!fTRD) { |
7925de54 | 531 | AliFatal("No TRD module found"); |
cec4059b | 532 | exit(1); |
533 | } | |
dd9a6ee3 | 534 | if (fTRD->IsVersion() != 1) { |
7925de54 | 535 | AliFatal("TRD must be version 1 (slow simulator)"); |
dd9a6ee3 | 536 | exit(1); |
537 | } | |
538 | ||
539 | // Get the geometry | |
f162af62 | 540 | fGeo = new AliTRDgeometry(); |
dd9a6ee3 | 541 | |
abaf1f1d | 542 | // Create a digits manager |
625f5260 | 543 | if (fDigitsManager) { |
544 | delete fDigitsManager; | |
545 | } | |
abaf1f1d | 546 | fDigitsManager = new AliTRDdigitsManager(); |
547 | fDigitsManager->SetSDigits(fSDigits); | |
548 | fDigitsManager->CreateArrays(); | |
549 | fDigitsManager->SetEvent(fEvent); | |
abaf1f1d | 550 | |
551 | // The list for the input s-digits manager to be merged | |
47b5729a | 552 | if (fSDigitsManagerList) { |
553 | fSDigitsManagerList->Delete(); | |
3becff3c | 554 | } |
555 | else { | |
47b5729a | 556 | fSDigitsManagerList = new TList(); |
557 | } | |
abaf1f1d | 558 | |
4487dad0 | 559 | return kTRUE; |
f7336fa3 | 560 | |
561 | } | |
876a928e | 562 | |
6244debe | 563 | //_____________________________________________________________________________ |
95867fd1 | 564 | Bool_t AliTRDdigitizer::MakeBranch(TTree *tree) const |
6244debe | 565 | { |
abaf1f1d | 566 | // |
567 | // Create the branches for the digits array | |
6244debe | 568 | // |
569 | ||
88cb7938 | 570 | return fDigitsManager->MakeBranch(tree); |
6244debe | 571 | |
572 | } | |
573 | ||
625f5260 | 574 | //_____________________________________________________________________________ |
575 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
576 | { | |
577 | // | |
578 | // Add a digits manager for s-digits to the input list. | |
579 | // | |
580 | ||
581 | fSDigitsManagerList->Add(man); | |
582 | ||
583 | } | |
584 | ||
585 | //_____________________________________________________________________________ | |
586 | void AliTRDdigitizer::DeleteSDigitsManager() | |
587 | { | |
588 | // | |
589 | // Removes digits manager from the input list. | |
590 | // | |
591 | ||
592 | fSDigitsManagerList->Delete(); | |
593 | ||
594 | } | |
595 | ||
f7336fa3 | 596 | //_____________________________________________________________________________ |
597 | Bool_t AliTRDdigitizer::MakeDigits() | |
598 | { | |
599 | // | |
872a7aba | 600 | // Creates digits. |
f7336fa3 | 601 | // |
602 | ||
625f5260 | 603 | AliDebug(1,"Start creating digits"); |
604 | ||
605 | if (!fGeo) { | |
606 | AliError("No geometry defined"); | |
607 | return kFALSE; | |
608 | } | |
f7336fa3 | 609 | |
625f5260 | 610 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
611 | if (!calibration) { | |
612 | AliFatal("Could not get calibration object"); | |
613 | return kFALSE; | |
614 | } | |
615 | ||
616 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
617 | ||
618 | Float_t **hits = new Float_t*[kNdet]; | |
619 | Int_t *nhit = new Int_t[kNdet]; | |
620 | ||
b65e5048 | 621 | AliTRDarraySignal *signals = 0x0; |
5896bc23 | 622 | |
876a928e | 623 | // Check the number of time bins from simParam against OCDB, |
624 | // if OCDB value is not supposed to be used. | |
625 | // As default, the value from OCDB is taken | |
626 | if (AliTRDSimParam::Instance()->GetNTBoverwriteOCDB()) { | |
627 | if (calibration->GetNumberOfTimeBinsDCS() != AliTRDSimParam::Instance()->GetNTimeBins()) { | |
628 | AliWarning(Form("Number of time bins is different to OCDB value [SIM=%d, OCDB=%d]" | |
629 | ,AliTRDSimParam::Instance()->GetNTimeBins() | |
630 | ,calibration->GetNumberOfTimeBinsDCS())); | |
631 | } | |
632 | // Save the values for the raw data headers | |
633 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDSimParam::Instance()->GetNTimeBins()); | |
634 | } | |
635 | else { | |
636 | // Save the values for the raw data headers | |
637 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(calibration->GetNumberOfTimeBinsDCS()); | |
5896bc23 | 638 | } |
876a928e | 639 | |
640 | // Save the values for the raw data headers | |
641 | fDigitsManager->GetDigitsParam()->SetADCbaselineAll(AliTRDSimParam::Instance()->GetADCbaseline()); | |
625f5260 | 642 | |
643 | // Sort all hits according to detector number | |
644 | if (!SortHits(hits,nhit)) { | |
645 | AliError("Sorting hits failed"); | |
024c0422 | 646 | delete [] hits; |
647 | delete [] nhit; | |
625f5260 | 648 | return kFALSE; |
649 | } | |
650 | ||
651 | // Loop through all detectors | |
652 | for (Int_t det = 0; det < kNdet; det++) { | |
653 | ||
654 | // Detectors that are switched off, not installed, etc. | |
655 | if (( calibration->IsChamberInstalled(det)) && | |
b65e5048 | 656 | (!calibration->IsChamberMasked(det)) && |
625f5260 | 657 | ( fGeo->ChamberInGeometry(det)) && |
658 | (nhit[det] > 0)) { | |
659 | ||
b65e5048 | 660 | signals = new AliTRDarraySignal(); |
661 | ||
625f5260 | 662 | // Convert the hits of the current detector to detector signals |
663 | if (!ConvertHits(det,hits[det],nhit[det],signals)) { | |
b65e5048 | 664 | AliError(Form("Conversion of hits failed for detector=%d",det)); |
024c0422 | 665 | delete [] hits; |
666 | delete [] nhit; | |
667 | delete signals; | |
668 | signals = 0x0; | |
625f5260 | 669 | return kFALSE; |
670 | } | |
671 | // Convert the detector signals to digits or s-digits | |
672 | if (!ConvertSignals(det,signals)) { | |
b65e5048 | 673 | AliError(Form("Conversion of signals failed for detector=%d",det)); |
024c0422 | 674 | delete [] hits; |
675 | delete [] nhit; | |
676 | delete signals; | |
677 | signals = 0x0; | |
b65e5048 | 678 | return kFALSE; |
625f5260 | 679 | } |
680 | ||
681 | // Delete the signals array | |
682 | delete signals; | |
683 | signals = 0x0; | |
684 | ||
685 | } // if: detector status | |
686 | ||
27cea06a | 687 | delete [] hits[det]; |
688 | ||
625f5260 | 689 | } // for: detector |
690 | ||
ff8935b1 | 691 | if (!fSDigits) { |
692 | if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) { | |
693 | if (trklLoader->Tree()) | |
694 | trklLoader->WriteData("OVERWRITE"); | |
695 | } | |
696 | } | |
ce4786b9 | 697 | |
625f5260 | 698 | delete [] hits; |
699 | delete [] nhit; | |
700 | ||
701 | return kTRUE; | |
702 | ||
703 | } | |
704 | ||
705 | //_____________________________________________________________________________ | |
706 | Bool_t AliTRDdigitizer::SortHits(Float_t **hits, Int_t *nhit) | |
707 | { | |
708 | // | |
709 | // Read all the hits and sorts them according to detector number | |
710 | // in the output array <hits>. | |
711 | // | |
712 | ||
713 | AliDebug(1,"Start sorting hits"); | |
714 | ||
715 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
716 | // Size of the hit vector | |
717 | const Int_t kNhit = 6; | |
718 | ||
719 | Float_t *xyz = 0; | |
720 | Int_t nhitTrk = 0; | |
721 | ||
722 | Int_t *lhit = new Int_t[kNdet]; | |
723 | ||
724 | for (Int_t det = 0; det < kNdet; det++) { | |
725 | lhit[det] = 0; | |
726 | nhit[det] = 0; | |
727 | hits[det] = 0; | |
728 | } | |
729 | ||
730 | AliLoader *gimme = fRunLoader->GetLoader("TRDLoader"); | |
731 | if (!gimme->TreeH()) { | |
732 | gimme->LoadHits(); | |
733 | } | |
734 | TTree *hitTree = gimme->TreeH(); | |
735 | if (hitTree == 0x0) { | |
736 | AliError("Can not get TreeH"); | |
af63084f | 737 | delete [] lhit; |
625f5260 | 738 | return kFALSE; |
739 | } | |
740 | fTRD->SetTreeAddress(); | |
741 | ||
742 | // Get the number of entries in the hit tree | |
743 | // (Number of primary particles creating a hit somewhere) | |
744 | Int_t nTrk = (Int_t) hitTree->GetEntries(); | |
745 | AliDebug(1,Form("Found %d tracks",nTrk)); | |
746 | ||
747 | // Loop through all the tracks in the tree | |
748 | for (Int_t iTrk = 0; iTrk < nTrk; iTrk++) { | |
749 | ||
3e2e3ece | 750 | gAlice->GetMCApp()->ResetHits(); |
625f5260 | 751 | hitTree->GetEvent(iTrk); |
752 | ||
753 | if (!fTRD->Hits()) { | |
754 | AliError(Form("No hits array for track = %d",iTrk)); | |
755 | continue; | |
756 | } | |
757 | ||
758 | // Number of hits for this track | |
759 | nhitTrk = fTRD->Hits()->GetEntriesFast(); | |
760 | ||
761 | Int_t hitCnt = 0; | |
762 | // Loop through the TRD hits | |
763 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
764 | while (hit) { | |
765 | ||
766 | hitCnt++; | |
767 | ||
768 | // Don't analyze test hits | |
769 | if (((Int_t) hit->GetCharge()) != 0) { | |
770 | ||
771 | Int_t trk = hit->Track(); | |
772 | Int_t det = hit->GetDetector(); | |
773 | Int_t q = hit->GetCharge(); | |
774 | Float_t x = hit->X(); | |
775 | Float_t y = hit->Y(); | |
776 | Float_t z = hit->Z(); | |
777 | Float_t time = hit->GetTime(); | |
778 | ||
779 | if (nhit[det] == lhit[det]) { | |
780 | // Inititialization of new detector | |
781 | xyz = new Float_t[kNhit*(nhitTrk+lhit[det])]; | |
782 | if (hits[det]) { | |
783 | memcpy(xyz,hits[det],sizeof(Float_t)*kNhit*lhit[det]); | |
784 | delete [] hits[det]; | |
785 | } | |
786 | lhit[det] += nhitTrk; | |
787 | hits[det] = xyz; | |
788 | } | |
789 | else { | |
790 | xyz = hits[det]; | |
791 | } | |
792 | xyz[nhit[det]*kNhit+0] = x; | |
793 | xyz[nhit[det]*kNhit+1] = y; | |
794 | xyz[nhit[det]*kNhit+2] = z; | |
795 | xyz[nhit[det]*kNhit+3] = q; | |
796 | xyz[nhit[det]*kNhit+4] = trk; | |
797 | xyz[nhit[det]*kNhit+5] = time; | |
798 | nhit[det]++; | |
799 | ||
800 | } // if: charge != 0 | |
801 | ||
802 | hit = (AliTRDhit *) fTRD->NextHit(); | |
803 | ||
804 | } // for: hits of one track | |
805 | ||
806 | } // for: tracks | |
807 | ||
808 | delete [] lhit; | |
809 | ||
810 | return kTRUE; | |
811 | ||
812 | } | |
f7336fa3 | 813 | |
625f5260 | 814 | //_____________________________________________________________________________ |
621310dd | 815 | Bool_t AliTRDdigitizer::ConvertHits(Int_t det |
816 | , const Float_t * const hits | |
817 | , Int_t nhit | |
b65e5048 | 818 | , AliTRDarraySignal *signals) |
625f5260 | 819 | { |
820 | // | |
821 | // Converts the detectorwise sorted hits to detector signals | |
822 | // | |
823 | ||
824 | AliDebug(1,Form("Start converting hits for detector=%d (nhits=%d)",det,nhit)); | |
f7336fa3 | 825 | |
793ff80c | 826 | // Number of pads included in the pad response |
a5cadd36 | 827 | const Int_t kNpad = 3; |
793ff80c | 828 | // Number of track dictionary arrays |
625f5260 | 829 | const Int_t kNdict = AliTRDdigitsManager::kNDict; |
830 | // Size of the hit vector | |
831 | const Int_t kNhit = 6; | |
793ff80c | 832 | |
4329977a | 833 | // Width of the amplification region |
834 | const Float_t kAmWidth = AliTRDgeometry::AmThick(); | |
3becff3c | 835 | // Width of the drift region |
ccb4315c | 836 | const Float_t kDrWidth = AliTRDgeometry::DrThick(); |
4329977a | 837 | // Drift + amplification region |
838 | const Float_t kDrMin = - 0.5 * kAmWidth; | |
839 | const Float_t kDrMax = kDrWidth + 0.5 * kAmWidth; | |
3551db50 | 840 | |
625f5260 | 841 | Int_t iPad = 0; |
842 | Int_t dict = 0; | |
843 | Int_t timeBinTRFend = 1; | |
872a7aba | 844 | |
a5cadd36 | 845 | Double_t pos[3]; |
4329977a | 846 | Double_t loc[3]; |
a5cadd36 | 847 | Double_t padSignal[kNpad]; |
848 | Double_t signalOld[kNpad]; | |
872a7aba | 849 | |
b65e5048 | 850 | AliTRDarrayDictionary *dictionary[kNdict]; |
4329977a | 851 | |
9afbd7de | 852 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 853 | AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); |
625f5260 | 854 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
855 | ||
3becff3c | 856 | if (!commonParam) { |
4329977a | 857 | AliFatal("Could not get common parameterss"); |
3551db50 | 858 | return kFALSE; |
859 | } | |
625f5260 | 860 | if (!simParam) { |
861 | AliFatal("Could not get simulation parameters"); | |
862 | return kFALSE; | |
863 | } | |
3becff3c | 864 | if (!calibration) { |
4329977a | 865 | AliFatal("Could not get calibration object"); |
3551db50 | 866 | return kFALSE; |
867 | } | |
868 | ||
625f5260 | 869 | // Get the detector wise calibration objects |
870 | AliTRDCalROC *calVdriftROC = 0; | |
871 | Float_t calVdriftDetValue = 0.0; | |
872 | const AliTRDCalDet *calVdriftDet = calibration->GetVdriftDet(); | |
873 | AliTRDCalROC *calT0ROC = 0; | |
874 | Float_t calT0DetValue = 0.0; | |
875 | const AliTRDCalDet *calT0Det = calibration->GetT0Det(); | |
4329977a | 876 | |
4329977a | 877 | if (simParam->TRFOn()) { |
878 | timeBinTRFend = ((Int_t) (simParam->GetTRFhi() | |
879 | * commonParam->GetSamplingFrequency())) - 1; | |
4329977a | 880 | } |
881 | ||
876a928e | 882 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
b43a3e17 | 883 | Float_t samplingRate = commonParam->GetSamplingFrequency(); |
4329977a | 884 | Float_t elAttachProp = simParam->GetElAttachProp() / 100.0; |
a328fff9 | 885 | |
625f5260 | 886 | AliTRDpadPlane *padPlane = fGeo->GetPadPlane(det); |
b65e5048 | 887 | Int_t layer = fGeo->GetLayer(det); //update |
625f5260 | 888 | Float_t row0 = padPlane->GetRow0ROC(); |
889 | Int_t nRowMax = padPlane->GetNrows(); | |
890 | Int_t nColMax = padPlane->GetNcols(); | |
891 | ||
892 | // Create a new array for the signals | |
893 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
894 | ||
895 | // Create a new array for the dictionary | |
896 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 897 | dictionary[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 898 | dictionary[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
899 | } | |
900 | ||
901 | // Loop through the hits in this detector | |
902 | for (Int_t hit = 0; hit < nhit; hit++) { | |
903 | ||
904 | pos[0] = hits[hit*kNhit+0]; | |
905 | pos[1] = hits[hit*kNhit+1]; | |
906 | pos[2] = hits[hit*kNhit+2]; | |
907 | Float_t q = hits[hit*kNhit+3]; | |
908 | Float_t hittime = hits[hit*kNhit+5]; | |
909 | Int_t track = ((Int_t) hits[hit*kNhit+4]); | |
910 | ||
911 | Int_t inDrift = 1; | |
912 | ||
913 | // Find the current volume with the geo manager | |
914 | gGeoManager->SetCurrentPoint(pos); | |
915 | gGeoManager->FindNode(); | |
916 | if (strstr(gGeoManager->GetPath(),"/UK")) { | |
917 | inDrift = 0; | |
918 | } | |
793ff80c | 919 | |
625f5260 | 920 | // Get the calibration objects |
921 | calVdriftROC = calibration->GetVdriftROC(det); | |
922 | calVdriftDetValue = calVdriftDet->GetValue(det); | |
923 | calT0ROC = calibration->GetT0ROC(det); | |
924 | calT0DetValue = calT0Det->GetValue(det); | |
925 | ||
926 | // Go to the local coordinate system: | |
927 | // loc[0] - col direction in amplification or driftvolume | |
928 | // loc[1] - row direction in amplification or driftvolume | |
929 | // loc[2] - time direction in amplification or driftvolume | |
930 | gGeoManager->MasterToLocal(pos,loc); | |
931 | if (inDrift) { | |
932 | // Relative to middle of amplification region | |
933 | loc[2] = loc[2] - kDrWidth/2.0 - kAmWidth/2.0; | |
934 | } | |
793ff80c | 935 | |
625f5260 | 936 | // The driftlength [cm] (w/o diffusion yet !). |
937 | // It is negative if the hit is between pad plane and anode wires. | |
938 | Double_t driftlength = -1.0 * loc[2]; | |
e23fbb27 | 939 | |
625f5260 | 940 | // Stupid patch to take care of TR photons that are absorbed |
941 | // outside the chamber volume. A real fix would actually need | |
942 | // a more clever implementation of the TR hit generation | |
943 | if (q < 0.0) { | |
944 | if ((loc[1] < padPlane->GetRowEndROC()) || | |
945 | (loc[1] > padPlane->GetRow0ROC())) { | |
f881dc35 | 946 | continue; |
947 | } | |
625f5260 | 948 | if ((driftlength < kDrMin) || |
949 | (driftlength > kDrMax)) { | |
950 | continue; | |
4329977a | 951 | } |
625f5260 | 952 | } |
f881dc35 | 953 | |
625f5260 | 954 | // Get row and col of unsmeared electron to retrieve drift velocity |
955 | // The pad row (z-direction) | |
956 | Int_t rowE = padPlane->GetPadRowNumberROC(loc[1]); | |
957 | if (rowE < 0) { | |
958 | continue; | |
959 | } | |
960 | Double_t rowOffset = padPlane->GetPadRowOffsetROC(rowE,loc[1]); | |
961 | // The pad column (rphi-direction) | |
962 | Double_t offsetTilt = padPlane->GetTiltOffset(rowOffset); | |
963 | Int_t colE = padPlane->GetPadColNumber(loc[0]+offsetTilt); | |
964 | if (colE < 0) { | |
965 | continue; | |
966 | } | |
0a17cc30 | 967 | Double_t colOffset = 0.0; |
f881dc35 | 968 | |
625f5260 | 969 | // Normalized drift length |
970 | Float_t driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
971 | Double_t absdriftlength = TMath::Abs(driftlength); | |
972 | if (commonParam->ExBOn()) { | |
973 | absdriftlength /= TMath::Sqrt(GetLorentzFactor(driftvelocity)); | |
974 | } | |
975 | ||
976 | // Loop over all electrons of this hit | |
977 | // TR photons produce hits with negative charge | |
978 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
979 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
980 | ||
981 | // Now the real local coordinate system of the ROC | |
982 | // column direction: locC | |
983 | // row direction: locR | |
984 | // time direction: locT | |
985 | // locR and locC are identical to the coordinates of the corresponding | |
986 | // volumina of the drift or amplification region. | |
987 | // locT is defined relative to the wire plane (i.e. middle of amplification | |
26d3c914 | 988 | // region), meaning locT = 0, and is negative for hits coming from the |
625f5260 | 989 | // drift region. |
990 | Double_t locC = loc[0]; | |
991 | Double_t locR = loc[1]; | |
992 | Double_t locT = loc[2]; | |
993 | ||
994 | // Electron attachment | |
995 | if (simParam->ElAttachOn()) { | |
996 | if (gRandom->Rndm() < (absdriftlength * elAttachProp)) { | |
997 | continue; | |
f881dc35 | 998 | } |
625f5260 | 999 | } |
1000 | ||
1001 | // Apply the diffusion smearing | |
1002 | if (simParam->DiffusionOn()) { | |
1003 | if (!(Diffusion(driftvelocity,absdriftlength,locR,locC,locT))) { | |
1004 | continue; | |
f881dc35 | 1005 | } |
f881dc35 | 1006 | } |
793ff80c | 1007 | |
625f5260 | 1008 | // Apply E x B effects (depends on drift direction) |
1009 | if (commonParam->ExBOn()) { | |
1010 | if (!(ExB(driftvelocity,driftlength,locC))) { | |
4329977a | 1011 | continue; |
1012 | } | |
729161c5 | 1013 | } |
1014 | ||
625f5260 | 1015 | // The electron position after diffusion and ExB in pad coordinates. |
4329977a | 1016 | // The pad row (z-direction) |
625f5260 | 1017 | rowE = padPlane->GetPadRowNumberROC(locR); |
1018 | if (rowE < 0) continue; | |
1019 | rowOffset = padPlane->GetPadRowOffsetROC(rowE,locR); | |
4329977a | 1020 | |
1021 | // The pad column (rphi-direction) | |
625f5260 | 1022 | offsetTilt = padPlane->GetTiltOffset(rowOffset); |
1023 | colE = padPlane->GetPadColNumber(locC+offsetTilt); | |
1024 | if (colE < 0) continue; | |
1025 | colOffset = padPlane->GetPadColOffset(colE,locC+offsetTilt); | |
b65e5048 | 1026 | |
625f5260 | 1027 | // Also re-retrieve drift velocity because col and row may have changed |
1028 | driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
1029 | Float_t t0 = calT0DetValue + calT0ROC->GetValue(colE,rowE); | |
1030 | ||
1031 | // Convert the position to drift time [mus], using either constant drift velocity or | |
1032 | // time structure of drift cells (non-isochronity, GARFIELD calculation). | |
1033 | // Also add absolute time of hits to take pile-up events into account properly | |
1034 | Double_t drifttime; | |
1035 | if (simParam->TimeStructOn()) { | |
1036 | // Get z-position with respect to anode wire | |
58897a75 | 1037 | Double_t zz = row0 - locR + padPlane->GetAnodeWireOffset(); |
625f5260 | 1038 | zz -= ((Int_t)(2 * zz)) / 2.0; |
1039 | if (zz > 0.25) { | |
1040 | zz = 0.5 - zz; | |
1041 | } | |
1042 | // Use drift time map (GARFIELD) | |
a076fc2f | 1043 | drifttime = commonParam->TimeStruct(driftvelocity,0.5*kAmWidth-1.0*locT,zz) |
625f5260 | 1044 | + hittime; |
1045 | } | |
1046 | else { | |
1047 | // Use constant drift velocity | |
26d3c914 | 1048 | drifttime = TMath::Abs(locT) / driftvelocity |
625f5260 | 1049 | + hittime; |
4329977a | 1050 | } |
625f5260 | 1051 | |
1052 | // Apply the gas gain including fluctuations | |
1053 | Double_t ggRndm = 0.0; | |
1054 | do { | |
1055 | ggRndm = gRandom->Rndm(); | |
1056 | } while (ggRndm <= 0); | |
eb52b657 | 1057 | Double_t signal = -(simParam->GetGasGain()) * TMath::Log(ggRndm); |
625f5260 | 1058 | |
1059 | // Apply the pad response | |
1060 | if (simParam->PRFOn()) { | |
1061 | // The distance of the electron to the center of the pad | |
1062 | // in units of pad width | |
1063 | Double_t dist = (colOffset - 0.5*padPlane->GetColSize(colE)) | |
1064 | / padPlane->GetColSize(colE); | |
1065 | // This is a fixed parametrization, i.e. not dependent on | |
1066 | // calibration values ! | |
053767a4 | 1067 | if (!(calibration->PadResponse(signal,dist,layer,padSignal))) continue; |
625f5260 | 1068 | } |
1069 | else { | |
1070 | padSignal[0] = 0.0; | |
1071 | padSignal[1] = signal; | |
1072 | padSignal[2] = 0.0; | |
4329977a | 1073 | } |
f881dc35 | 1074 | |
625f5260 | 1075 | // The time bin (always positive), with t0 distortion |
1076 | Double_t timeBinIdeal = drifttime * samplingRate + t0; | |
1077 | // Protection | |
1078 | if (TMath::Abs(timeBinIdeal) > 2*nTimeTotal) { | |
1079 | timeBinIdeal = 2 * nTimeTotal; | |
1080 | } | |
1081 | Int_t timeBinTruncated = ((Int_t) timeBinIdeal); | |
1082 | // The distance of the position to the middle of the timebin | |
1083 | Double_t timeOffset = ((Float_t) timeBinTruncated | |
1084 | + 0.5 - timeBinIdeal) / samplingRate; | |
3551db50 | 1085 | |
625f5260 | 1086 | // Sample the time response inside the drift region |
1087 | // + additional time bins before and after. | |
1088 | // The sampling is done always in the middle of the time bin | |
1089 | for (Int_t iTimeBin = TMath::Max(timeBinTruncated,0) | |
1090 | ;iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal) | |
1091 | ;iTimeBin++) { | |
1092 | ||
1093 | // Apply the time response | |
1094 | Double_t timeResponse = 1.0; | |
1095 | Double_t crossTalk = 0.0; | |
1096 | Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; | |
58897a75 | 1097 | |
625f5260 | 1098 | if (simParam->TRFOn()) { |
1099 | timeResponse = simParam->TimeResponse(time); | |
f881dc35 | 1100 | } |
625f5260 | 1101 | if (simParam->CTOn()) { |
1102 | crossTalk = simParam->CrossTalk(time); | |
f881dc35 | 1103 | } |
e23fbb27 | 1104 | |
625f5260 | 1105 | signalOld[0] = 0.0; |
1106 | signalOld[1] = 0.0; | |
1107 | signalOld[2] = 0.0; | |
e23fbb27 | 1108 | |
625f5260 | 1109 | for (iPad = 0; iPad < kNpad; iPad++) { |
f7336fa3 | 1110 | |
625f5260 | 1111 | Int_t colPos = colE + iPad - 1; |
1112 | if (colPos < 0) continue; | |
1113 | if (colPos >= nColMax) break; | |
e23fbb27 | 1114 | |
625f5260 | 1115 | // Add the signals |
b65e5048 | 1116 | signalOld[iPad] = signals->GetData(rowE,colPos,iTimeBin); |
e23fbb27 | 1117 | |
625f5260 | 1118 | if (colPos != colE) { |
1119 | // Cross talk added to non-central pads | |
1120 | signalOld[iPad] += padSignal[iPad] | |
1121 | * (timeResponse + crossTalk); | |
1122 | } | |
1123 | else { | |
1124 | // W/o cross talk at central pad | |
1125 | signalOld[iPad] += padSignal[iPad] | |
1126 | * timeResponse; | |
1127 | } | |
f881dc35 | 1128 | |
b65e5048 | 1129 | signals->SetData(rowE,colPos,iTimeBin,signalOld[iPad]); |
625f5260 | 1130 | |
1131 | // Store the track index in the dictionary | |
1132 | // Note: We store index+1 in order to allow the array to be compressed | |
b65e5048 | 1133 | // Note2: Taking out the +1 in track |
625f5260 | 1134 | if (signalOld[iPad] > 0.0) { |
1135 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 1136 | Int_t oldTrack = dictionary[dict]->GetData(rowE,colPos,iTimeBin); |
1137 | if (oldTrack == track) break; | |
1138 | if (oldTrack == -1 ) { | |
1139 | dictionary[dict]->SetData(rowE,colPos,iTimeBin,track); | |
1140 | break; | |
1141 | } | |
f881dc35 | 1142 | } |
625f5260 | 1143 | } |
872a7aba | 1144 | |
625f5260 | 1145 | } // Loop: pads |
f7336fa3 | 1146 | |
625f5260 | 1147 | } // Loop: time bins |
f7336fa3 | 1148 | |
625f5260 | 1149 | } // Loop: electrons of a single hit |
f7336fa3 | 1150 | |
625f5260 | 1151 | } // Loop: hits |
f7336fa3 | 1152 | |
625f5260 | 1153 | AliDebug(2,Form("Finished analyzing %d hits",nhit)); |
e23fbb27 | 1154 | |
625f5260 | 1155 | return kTRUE; |
e23fbb27 | 1156 | |
625f5260 | 1157 | } |
793ff80c | 1158 | |
625f5260 | 1159 | //_____________________________________________________________________________ |
b65e5048 | 1160 | Bool_t AliTRDdigitizer::ConvertSignals(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1161 | { |
4329977a | 1162 | // |
625f5260 | 1163 | // Convert signals to digits |
4329977a | 1164 | // |
1165 | ||
625f5260 | 1166 | AliDebug(1,Form("Start converting the signals for detector %d",det)); |
1167 | ||
1168 | if (fSDigits) { | |
1169 | // Convert the signal array to s-digits | |
1170 | if (!Signal2SDigits(det,signals)) { | |
1171 | return kFALSE; | |
793ff80c | 1172 | } |
625f5260 | 1173 | } |
1174 | else { | |
1175 | // Convert the signal array to digits | |
1176 | if (!Signal2ADC(det,signals)) { | |
1177 | return kFALSE; | |
793ff80c | 1178 | } |
d295185b | 1179 | // Run digital processing for digits |
1180 | RunDigitalProcessing(det); | |
625f5260 | 1181 | } |
f7336fa3 | 1182 | |
625f5260 | 1183 | // Compress the arrays |
b65e5048 | 1184 | CompressOutputArrays(det); |
6244debe | 1185 | |
625f5260 | 1186 | return kTRUE; |
6244debe | 1187 | |
625f5260 | 1188 | } |
4329977a | 1189 | |
625f5260 | 1190 | //_____________________________________________________________________________ |
b65e5048 | 1191 | Bool_t AliTRDdigitizer::Signal2ADC(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1192 | { |
1193 | // | |
1194 | // Converts the sampled electron signals to ADC values for a given chamber | |
1195 | // | |
6244debe | 1196 | |
625f5260 | 1197 | AliDebug(1,Form("Start converting signals to ADC values for detector=%d",det)); |
e23fbb27 | 1198 | |
625f5260 | 1199 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1200 | if (!calibration) { | |
1201 | AliFatal("Could not get calibration object"); | |
1202 | return kFALSE; | |
1203 | } | |
793ff80c | 1204 | |
625f5260 | 1205 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
1206 | if (!simParam) { | |
1207 | AliFatal("Could not get simulation parameters"); | |
1208 | return kFALSE; | |
1209 | } | |
f7336fa3 | 1210 | |
625f5260 | 1211 | // Converts number of electrons to fC |
1212 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
0c24ba98 | 1213 | |
625f5260 | 1214 | // Coupling factor |
1215 | Double_t coupling = simParam->GetPadCoupling() | |
1216 | * simParam->GetTimeCoupling(); | |
1217 | // Electronics conversion factor | |
1218 | Double_t convert = kEl2fC | |
1219 | * simParam->GetChipGain(); | |
1220 | // ADC conversion factor | |
1221 | Double_t adcConvert = simParam->GetADCoutRange() | |
1222 | / simParam->GetADCinRange(); | |
1223 | // The electronics baseline in mV | |
1224 | Double_t baseline = simParam->GetADCbaseline() | |
1225 | / adcConvert; | |
1226 | // The electronics baseline in electrons | |
1227 | Double_t baselineEl = baseline | |
1228 | / convert; | |
1229 | ||
1230 | Int_t row = 0; | |
1231 | Int_t col = 0; | |
1232 | Int_t time = 0; | |
1233 | ||
1234 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1235 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1236 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
1237 | if (fSDigitsManager->GetDigitsParam()->GetNTimeBins(det)) { | |
1238 | nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(det); | |
1239 | } | |
1240 | else { | |
1241 | AliFatal("Could not get number of time bins"); | |
1242 | return kFALSE; | |
1243 | } | |
abaf1f1d | 1244 | |
625f5260 | 1245 | // The gainfactor calibration objects |
1246 | const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1247 | AliTRDCalROC *calGainFactorROC = 0; | |
1248 | Float_t calGainFactorDetValue = 0.0; | |
f7336fa3 | 1249 | |
b65e5048 | 1250 | AliTRDarrayADC *digits = 0x0; |
e23fbb27 | 1251 | |
625f5260 | 1252 | if (!signals) { |
1253 | AliError(Form("Signals array for detector %d does not exist\n",det)); | |
1254 | return kFALSE; | |
1255 | } | |
1256 | if (signals->HasData()) { | |
1257 | // Expand the container if neccessary | |
b65e5048 | 1258 | signals->Expand(); |
625f5260 | 1259 | } |
1260 | else { | |
1261 | // Create missing containers | |
1262 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
f7336fa3 | 1263 | } |
1264 | ||
625f5260 | 1265 | // Get the container for the digits of this detector |
1266 | if (fDigitsManager->HasSDigits()) { | |
1267 | AliError("Digits manager has s-digits"); | |
1268 | return kFALSE; | |
1269 | } | |
b65e5048 | 1270 | |
1271 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
625f5260 | 1272 | // Allocate memory space for the digits buffer |
1273 | if (!digits->HasData()) { | |
1274 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
0c24ba98 | 1275 | } |
1276 | ||
625f5260 | 1277 | // Get the calibration objects |
1278 | calGainFactorROC = calibration->GetGainFactorROC(det); | |
1279 | calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
abaf1f1d | 1280 | |
625f5260 | 1281 | // Create the digits for this chamber |
1282 | for (row = 0; row < nRowMax; row++ ) { | |
1283 | for (col = 0; col < nColMax; col++ ) { | |
abaf1f1d | 1284 | |
625f5260 | 1285 | // Check whether pad is masked |
1286 | // Bridged pads are not considered yet!!! | |
980493fb | 1287 | if (calibration->IsPadMasked(det,col,row) || calibration->IsPadNotConnected(det,col,row)) { |
625f5260 | 1288 | continue; |
1289 | } | |
abaf1f1d | 1290 | |
625f5260 | 1291 | // The gain factors |
1292 | Float_t padgain = calGainFactorDetValue | |
1293 | * calGainFactorROC->GetValue(col,row); | |
1294 | if (padgain <= 0) { | |
1295 | AliError(Form("Not a valid gain %f, %d %d %d",padgain,det,col,row)); | |
1296 | } | |
abaf1f1d | 1297 | |
625f5260 | 1298 | for (time = 0; time < nTimeTotal; time++) { |
1299 | ||
1300 | // Get the signal amplitude | |
b65e5048 | 1301 | Float_t signalAmp = signals->GetData(row,col,time); |
625f5260 | 1302 | // Pad and time coupling |
1303 | signalAmp *= coupling; | |
1304 | // Gain factors | |
1305 | signalAmp *= padgain; | |
1306 | ||
1307 | // Add the noise, starting from minus ADC baseline in electrons | |
1308 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) | |
1309 | ,-baselineEl); | |
1310 | ||
1311 | // Convert to mV | |
1312 | signalAmp *= convert; | |
1313 | // Add ADC baseline in mV | |
1314 | signalAmp += baseline; | |
1315 | ||
1316 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
1317 | // signal is larger than fADCinRange | |
1318 | Short_t adc = 0; | |
1319 | if (signalAmp >= simParam->GetADCinRange()) { | |
1320 | adc = ((Short_t) simParam->GetADCoutRange()); | |
1321 | } | |
1322 | else { | |
1323 | adc = TMath::Nint(signalAmp * adcConvert); | |
1324 | } | |
abaf1f1d | 1325 | |
b65e5048 | 1326 | // Saving all digits |
1327 | digits->SetData(row,col,time,adc); | |
abaf1f1d | 1328 | |
625f5260 | 1329 | } // for: time |
b65e5048 | 1330 | |
625f5260 | 1331 | } // for: col |
1332 | } // for: row | |
b1113c6b | 1333 | |
625f5260 | 1334 | return kTRUE; |
b1113c6b | 1335 | |
1336 | } | |
1337 | ||
abaf1f1d | 1338 | //_____________________________________________________________________________ |
b65e5048 | 1339 | Bool_t AliTRDdigitizer::Signal2SDigits(Int_t det, AliTRDarraySignal *signals) |
abaf1f1d | 1340 | { |
1341 | // | |
625f5260 | 1342 | // Converts the sampled electron signals to s-digits |
abaf1f1d | 1343 | // |
1344 | ||
625f5260 | 1345 | AliDebug(1,Form("Start converting signals to s-digits for detector=%d",det)); |
abaf1f1d | 1346 | |
4329977a | 1347 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1348 | if (!calibration) { |
4329977a | 1349 | AliFatal("Could not get calibration object"); |
3551db50 | 1350 | return kFALSE; |
1351 | } | |
6bf5f0ce | 1352 | |
625f5260 | 1353 | Int_t row = 0; |
1354 | Int_t col = 0; | |
1355 | Int_t time = 0; | |
9afbd7de | 1356 | |
625f5260 | 1357 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); |
1358 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1359 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
e23fbb27 | 1360 | |
625f5260 | 1361 | // Get the container for the digits of this detector |
1362 | if (!fDigitsManager->HasSDigits()) { | |
1363 | AliError("Digits manager has no s-digits"); | |
1364 | return kFALSE; | |
1365 | } | |
b65e5048 | 1366 | |
1367 | AliTRDarraySignal *digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
625f5260 | 1368 | // Allocate memory space for the digits buffer |
1369 | if (!digits->HasData()) { | |
1370 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1371 | } | |
e23fbb27 | 1372 | |
625f5260 | 1373 | // Create the sdigits for this chamber |
1374 | for (row = 0; row < nRowMax; row++ ) { | |
1375 | for (col = 0; col < nColMax; col++ ) { | |
1376 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1377 | digits->SetData(row,col,time,signals->GetData(row,col,time)); |
625f5260 | 1378 | } // for: time |
1379 | } // for: col | |
1380 | } // for: row | |
b65e5048 | 1381 | |
625f5260 | 1382 | return kTRUE; |
abaf1f1d | 1383 | |
625f5260 | 1384 | } |
abaf1f1d | 1385 | |
e7539003 | 1386 | //_____________________________________________________________________________ |
621310dd | 1387 | Bool_t AliTRDdigitizer::Digits2SDigits(AliTRDdigitsManager * const manDig |
1388 | , AliTRDdigitsManager * const manSDig) | |
e7539003 | 1389 | { |
1390 | // | |
1391 | // Converts digits into s-digits. Needed for embedding into real data. | |
1392 | // | |
1393 | ||
1394 | AliDebug(1,"Start converting digits to s-digits"); | |
1395 | ||
6b4a4228 | 1396 | if (!fGeo) { |
1397 | fGeo = new AliTRDgeometry(); | |
1398 | } | |
1399 | ||
e7539003 | 1400 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1401 | if (!calibration) { | |
1402 | AliFatal("Could not get calibration object"); | |
1403 | return kFALSE; | |
1404 | } | |
1405 | ||
1406 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); | |
1407 | if (!simParam) { | |
1408 | AliFatal("Could not get simulation parameters"); | |
1409 | return kFALSE; | |
1410 | } | |
1411 | ||
1412 | // Converts number of electrons to fC | |
1413 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
1414 | ||
1415 | // Coupling factor | |
1416 | Double_t coupling = simParam->GetPadCoupling() | |
1417 | * simParam->GetTimeCoupling(); | |
1418 | // Electronics conversion factor | |
1419 | Double_t convert = kEl2fC | |
1420 | * simParam->GetChipGain(); | |
1421 | // ADC conversion factor | |
1422 | Double_t adcConvert = simParam->GetADCoutRange() | |
1423 | / simParam->GetADCinRange(); | |
1424 | // The electronics baseline in mV | |
1425 | Double_t baseline = simParam->GetADCbaseline() | |
1426 | / adcConvert; | |
1427 | // The electronics baseline in electrons | |
6b4a4228 | 1428 | //Double_t baselineEl = baseline |
1429 | // / convert; | |
e7539003 | 1430 | |
1431 | // The gainfactor calibration objects | |
1432 | //const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1433 | //AliTRDCalROC *calGainFactorROC = 0; | |
1434 | //Float_t calGainFactorDetValue = 0.0; | |
1435 | ||
1436 | Int_t row = 0; | |
1437 | Int_t col = 0; | |
1438 | Int_t time = 0; | |
1439 | ||
1440 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1441 | ||
1442 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1443 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
a0446ff1 | 1444 | Int_t nTimeTotal = manDig->GetDigitsParam()->GetNTimeBins(det); |
e7539003 | 1445 | |
1446 | // Get the calibration objects | |
1447 | //calGainFactorROC = calibration->GetGainFactorROC(det); | |
1448 | //calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
1449 | ||
1450 | // Get the digits | |
1451 | AliTRDarrayADC *digits = (AliTRDarrayADC *) manDig->GetDigits(det); | |
1452 | ||
1453 | if (!manSDig->HasSDigits()) { | |
1454 | AliError("SDigits manager has no s-digits"); | |
1455 | return kFALSE; | |
1456 | } | |
1457 | // Get the s-digits | |
1458 | AliTRDarraySignal *sdigits = (AliTRDarraySignal *) manSDig->GetSDigits(det); | |
1459 | AliTRDarrayDictionary *tracks0 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,0); | |
1460 | AliTRDarrayDictionary *tracks1 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,1); | |
1461 | AliTRDarrayDictionary *tracks2 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,2); | |
1462 | // Allocate memory space for the digits buffer | |
1463 | sdigits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1464 | tracks0->Allocate(nRowMax,nColMax,nTimeTotal); | |
1465 | tracks1->Allocate(nRowMax,nColMax,nTimeTotal); | |
1466 | tracks2->Allocate(nRowMax,nColMax,nTimeTotal); | |
1467 | ||
5896bc23 | 1468 | // Keep the digits param |
a0446ff1 | 1469 | manSDig->GetDigitsParam()->SetNTimeBinsAll(manDig->GetDigitsParam()->GetNTimeBins(0)); |
1470 | manSDig->GetDigitsParam()->SetADCbaselineAll(manDig->GetDigitsParam()->GetADCbaseline(0)); | |
5896bc23 | 1471 | |
45d77489 | 1472 | if (digits->HasData()) { |
1473 | ||
1474 | digits->Expand(); | |
1475 | ||
1476 | // Create the sdigits for this chamber | |
1477 | for (row = 0; row < nRowMax; row++ ) { | |
1478 | for (col = 0; col < nColMax; col++ ) { | |
1479 | ||
1480 | // The gain factors | |
1481 | //Float_t padgain = calGainFactorDetValue | |
1482 | // * calGainFactorROC->GetValue(col,row); | |
1483 | ||
1484 | for (time = 0; time < nTimeTotal; time++) { | |
1485 | ||
1486 | Short_t adcVal = digits->GetData(row,col,time); | |
1487 | Double_t signal = (Double_t) adcVal; | |
1488 | // ADC -> signal in mV | |
1489 | signal /= adcConvert; | |
1490 | // Subtract baseline in mV | |
1491 | signal -= baseline; | |
1492 | // Signal in mV -> signal in #electrons | |
1493 | signal /= convert; | |
1494 | // Gain factor | |
1495 | //signal /= padgain; // Not needed for real data | |
1496 | // Pad and time coupling | |
1497 | signal /= coupling; | |
1498 | ||
1499 | sdigits->SetData(row,col,time,signal); | |
1500 | tracks0->SetData(row,col,time,0); | |
1501 | tracks1->SetData(row,col,time,0); | |
1502 | tracks2->SetData(row,col,time,0); | |
1503 | ||
1504 | } // for: time | |
1505 | ||
1506 | } // for: col | |
1507 | } // for: row | |
e7539003 | 1508 | |
45d77489 | 1509 | } // if: has data |
1510 | ||
e7539003 | 1511 | sdigits->Compress(0); |
1512 | tracks0->Compress(); | |
1513 | tracks1->Compress(); | |
1514 | tracks2->Compress(); | |
1515 | ||
45d77489 | 1516 | // No compress just remove |
1517 | manDig->RemoveDigits(det); | |
1518 | manDig->RemoveDictionaries(det); | |
1519 | ||
e7539003 | 1520 | } // for: det |
1521 | ||
1522 | return kTRUE; | |
1523 | ||
1524 | } | |
1525 | ||
625f5260 | 1526 | //_____________________________________________________________________________ |
1527 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1528 | { | |
1529 | // | |
1530 | // Merges the input s-digits and converts them to normal digits | |
1531 | // | |
e23fbb27 | 1532 | |
625f5260 | 1533 | if (!MergeSDigits()) { |
1534 | return kFALSE; | |
1535 | } | |
f7336fa3 | 1536 | |
625f5260 | 1537 | return ConvertSDigits(); |
f7336fa3 | 1538 | |
1539 | } | |
1540 | ||
16bf9884 | 1541 | //_____________________________________________________________________________ |
abaf1f1d | 1542 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1543 | { |
1544 | // | |
abaf1f1d | 1545 | // Merges the input s-digits: |
1546 | // - The amplitude of the different inputs are summed up. | |
1547 | // - Of the track IDs from the input dictionaries only one is | |
1548 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1549 | // |
1550 | ||
abaf1f1d | 1551 | // Number of track dictionary arrays |
1552 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1553 | ||
4d18a639 | 1554 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 1555 | if (!simParam) { |
4329977a | 1556 | AliFatal("Could not get simulation parameters"); |
3551db50 | 1557 | return kFALSE; |
1558 | } | |
1559 | ||
4d18a639 | 1560 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1561 | if (!calibration) { |
4329977a | 1562 | AliFatal("Could not get calibration object"); |
3551db50 | 1563 | return kFALSE; |
1564 | } | |
1565 | ||
abaf1f1d | 1566 | Int_t iDict = 0; |
e23fbb27 | 1567 | Int_t jDict = 0; |
abaf1f1d | 1568 | |
b65e5048 | 1569 | AliTRDarraySignal *digitsA; |
1570 | AliTRDarraySignal *digitsB; | |
1571 | AliTRDarrayDictionary *dictionaryA[kNDict]; | |
1572 | AliTRDarrayDictionary *dictionaryB[kNDict]; | |
abaf1f1d | 1573 | |
b65e5048 | 1574 | AliTRDdigitsManager *mergeSDigitsManager = 0x0; |
abaf1f1d | 1575 | // Get the first s-digits |
1576 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
9afbd7de | 1577 | if (!fSDigitsManager) { |
7925de54 | 1578 | AliError("No SDigits manager"); |
9afbd7de | 1579 | return kFALSE; |
1580 | } | |
abaf1f1d | 1581 | |
1582 | // Loop through the other sets of s-digits | |
b65e5048 | 1583 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(fSDigitsManager); |
abaf1f1d | 1584 | |
9afbd7de | 1585 | if (mergeSDigitsManager) { |
7925de54 | 1586 | AliDebug(1,Form("Merge %d input files.",fSDigitsManagerList->GetSize())); |
9afbd7de | 1587 | } |
1588 | else { | |
7925de54 | 1589 | AliDebug(1,"Only one input file."); |
abaf1f1d | 1590 | } |
3551db50 | 1591 | |
abaf1f1d | 1592 | Int_t iMerge = 0; |
b65e5048 | 1593 | |
abaf1f1d | 1594 | while (mergeSDigitsManager) { |
1595 | ||
1596 | iMerge++; | |
5896bc23 | 1597 | |
abaf1f1d | 1598 | // Loop through the detectors |
1599 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1600 | ||
a0446ff1 | 1601 | Int_t nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet); |
1602 | if (mergeSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet) != nTimeTotal) { | |
1603 | AliError(Form("Mismatch in the number of time bins [%d,%d] in detector %d" | |
1604 | ,nTimeTotal | |
1605 | ,mergeSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet) | |
1606 | ,iDet)); | |
1607 | return kFALSE; | |
1608 | } | |
1609 | ||
625f5260 | 1610 | Int_t nRowMax = fGeo->GetPadPlane(iDet)->GetNrows(); |
1611 | Int_t nColMax = fGeo->GetPadPlane(iDet)->GetNcols(); | |
b65e5048 | 1612 | |
abaf1f1d | 1613 | // Loop through the pixels of one detector and add the signals |
b65e5048 | 1614 | digitsA = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(iDet); |
1615 | digitsB = (AliTRDarraySignal *) mergeSDigitsManager->GetSDigits(iDet); | |
1616 | digitsA->Expand(); | |
1617 | if (!digitsA->HasData()) continue; | |
1618 | digitsB->Expand(); | |
1619 | if (!digitsB->HasData()) continue; | |
1620 | ||
abaf1f1d | 1621 | for (iDict = 0; iDict < kNDict; iDict++) { |
b65e5048 | 1622 | dictionaryA[iDict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(iDet,iDict); |
1623 | dictionaryB[iDict] = (AliTRDarrayDictionary *) mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1624 | dictionaryA[iDict]->Expand(); | |
abaf1f1d | 1625 | dictionaryB[iDict]->Expand(); |
1626 | } | |
1627 | ||
4487dad0 | 1628 | // Merge only detectors that contain a signal |
1629 | Bool_t doMerge = kTRUE; | |
1630 | if (fMergeSignalOnly) { | |
b65e5048 | 1631 | if (digitsA->GetOverThreshold(0) == 0) { |
1632 | doMerge = kFALSE; | |
4487dad0 | 1633 | } |
abaf1f1d | 1634 | } |
b65e5048 | 1635 | |
4487dad0 | 1636 | if (doMerge) { |
b65e5048 | 1637 | |
1638 | AliDebug(1,Form("Merge detector %d of input no.%d",iDet,iMerge+1)); | |
1639 | ||
1640 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { | |
1641 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1642 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1643 | ||
4487dad0 | 1644 | // Add the amplitudes of the summable digits |
b65e5048 | 1645 | Float_t ampA = digitsA->GetData(iRow,iCol,iTime); |
1646 | Float_t ampB = digitsB->GetData(iRow,iCol,iTime); | |
1647 | ampA += ampB; | |
1648 | digitsA->SetData(iRow,iCol,iTime,ampA); | |
1649 | ||
1650 | // Add the mask to the track id if defined. | |
1651 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1652 | Int_t trackB = dictionaryB[iDict]->GetData(iRow,iCol,iTime); | |
1653 | if ((fMasks) && (trackB > 0)) { | |
1654 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1655 | Int_t trackA = dictionaryA[iDict]->GetData(iRow,iCol,iTime); | |
1656 | if (trackA == 0) { | |
1657 | trackA = trackB + fMasks[iMerge]; | |
1658 | dictionaryA[iDict]->SetData(iRow,iCol,iTime,trackA); | |
625f5260 | 1659 | } // if: track A == 0 |
b65e5048 | 1660 | } // for: jDict |
1661 | } // if: fMasks and trackB > 0 | |
625f5260 | 1662 | } // for: iDict |
abaf1f1d | 1663 | |
625f5260 | 1664 | } // for: iTime |
1665 | } // for: iCol | |
1666 | } // for: iRow | |
4487dad0 | 1667 | |
625f5260 | 1668 | } // if: doMerge |
1669 | ||
1670 | mergeSDigitsManager->RemoveDigits(iDet); | |
1671 | mergeSDigitsManager->RemoveDictionaries(iDet); | |
b65e5048 | 1672 | |
abaf1f1d | 1673 | if (fCompress) { |
b65e5048 | 1674 | digitsA->Compress(0); |
1675 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1676 | dictionaryA[iDict]->Compress(); | |
abaf1f1d | 1677 | } |
1678 | } | |
b65e5048 | 1679 | |
625f5260 | 1680 | } // for: detectors |
b65e5048 | 1681 | |
abaf1f1d | 1682 | // The next set of s-digits |
b65e5048 | 1683 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(mergeSDigitsManager); |
1684 | ||
625f5260 | 1685 | } // while: mergeDigitsManagers |
b65e5048 | 1686 | |
625f5260 | 1687 | return kTRUE; |
1688 | ||
1689 | } | |
1690 | ||
1691 | //_____________________________________________________________________________ | |
1692 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1693 | { | |
1694 | // | |
1695 | // Converts s-digits to normal digits | |
1696 | // | |
1697 | ||
b65e5048 | 1698 | AliTRDarraySignal *digitsIn = 0x0; |
625f5260 | 1699 | |
1700 | if (!fSDigitsManager->HasSDigits()) { | |
1701 | AliError("No s-digits in digits manager"); | |
1702 | return kFALSE; | |
abaf1f1d | 1703 | } |
1704 | ||
625f5260 | 1705 | // Loop through the detectors |
1706 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1707 | ||
1708 | // Get the merged s-digits (signals) | |
b65e5048 | 1709 | digitsIn = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(det); |
625f5260 | 1710 | if (!digitsIn->HasData()) { |
1711 | AliDebug(2,Form("No digits for det=%d",det)); | |
1712 | continue; | |
1713 | } | |
b0a41e80 | 1714 | |
625f5260 | 1715 | // Convert the merged sdigits to digits |
1716 | if (!Signal2ADC(det,digitsIn)) { | |
1717 | continue; | |
1718 | } | |
1719 | ||
1720 | // Copy the dictionary information to the output array | |
1721 | if (!CopyDictionary(det)) { | |
1722 | continue; | |
1723 | } | |
1724 | ||
1725 | // Delete | |
1726 | fSDigitsManager->RemoveDigits(det); | |
1727 | fSDigitsManager->RemoveDictionaries(det); | |
1728 | ||
d295185b | 1729 | // Run digital processing |
1730 | RunDigitalProcessing(det); | |
1731 | ||
625f5260 | 1732 | // Compress the arrays |
1733 | CompressOutputArrays(det); | |
1734 | ||
1735 | } // for: detector numbers | |
1736 | ||
ff8935b1 | 1737 | if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) { |
1738 | if (trklLoader->Tree()) | |
1739 | trklLoader->WriteData("OVERWRITE"); | |
1740 | } | |
1741 | ||
5896bc23 | 1742 | // Save the values for the raw data headers |
876a928e | 1743 | if (AliTRDSimParam::Instance()->GetNTBoverwriteOCDB()) { |
1744 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDSimParam::Instance()->GetNTimeBins()); | |
1745 | } | |
1746 | else { | |
1747 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDcalibDB::Instance()->GetNumberOfTimeBinsDCS()); | |
1748 | } | |
a0446ff1 | 1749 | fDigitsManager->GetDigitsParam()->SetADCbaselineAll(AliTRDSimParam::Instance()->GetADCbaseline()); |
b0a41e80 | 1750 | |
16bf9884 | 1751 | return kTRUE; |
1752 | ||
1753 | } | |
1754 | ||
abaf1f1d | 1755 | //_____________________________________________________________________________ |
625f5260 | 1756 | Bool_t AliTRDdigitizer::CopyDictionary(Int_t det) |
abaf1f1d | 1757 | { |
1758 | // | |
625f5260 | 1759 | // Copies the dictionary information from the s-digits arrays |
1760 | // to the output arrays | |
abaf1f1d | 1761 | // |
1762 | ||
625f5260 | 1763 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1764 | if (!calibration) { | |
1765 | AliFatal("Could not get calibration object"); | |
4d18a639 | 1766 | return kFALSE; |
1767 | } | |
abaf1f1d | 1768 | |
625f5260 | 1769 | AliDebug(1,Form("Start copying dictionaries for detector=%d",det)); |
1770 | ||
1771 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1772 | AliTRDarrayDictionary *dictionaryIn[kNDict]; |
1773 | AliTRDarrayDictionary *dictionaryOut[kNDict]; | |
625f5260 | 1774 | |
1775 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1776 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1777 | Int_t nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
625f5260 | 1778 | |
1779 | Int_t row = 0; | |
1780 | Int_t col = 0; | |
1781 | Int_t time = 0; | |
1782 | Int_t dict = 0; | |
1783 | ||
1784 | for (dict = 0; dict < kNDict; dict++) { | |
1785 | ||
b65e5048 | 1786 | dictionaryIn[dict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(det,dict); |
625f5260 | 1787 | dictionaryIn[dict]->Expand(); |
b65e5048 | 1788 | dictionaryOut[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 1789 | dictionaryOut[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
1790 | ||
1791 | for (row = 0; row < nRowMax; row++) { | |
1792 | for (col = 0; col < nColMax; col++) { | |
1793 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1794 | Int_t track = dictionaryIn[dict]->GetData(row,col,time); |
1795 | dictionaryOut[dict]->SetData(row,col,time,track); | |
625f5260 | 1796 | } // for: time |
1797 | } // for: col | |
1798 | } // for: row | |
b65e5048 | 1799 | |
625f5260 | 1800 | } // for: dictionaries |
b65e5048 | 1801 | |
625f5260 | 1802 | return kTRUE; |
1803 | ||
1804 | } | |
1805 | ||
1806 | //_____________________________________________________________________________ | |
1807 | void AliTRDdigitizer::CompressOutputArrays(Int_t det) | |
1808 | { | |
1809 | // | |
1810 | // Compress the output arrays | |
1811 | // | |
1812 | ||
1813 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1814 | AliTRDarrayDictionary *dictionary = 0x0; |
625f5260 | 1815 | |
1816 | if (fCompress) { | |
1817 | ||
b65e5048 | 1818 | if (!fSDigits) { |
1819 | AliTRDarrayADC *digits = 0x0; | |
1820 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
1821 | digits->Compress(); | |
1822 | } | |
1823 | ||
1824 | if (fSDigits) { | |
1825 | AliTRDarraySignal *digits = 0x0; | |
1826 | digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
1827 | digits->Compress(0); | |
1828 | } | |
1829 | ||
625f5260 | 1830 | for (Int_t dict = 0; dict < kNDict; dict++) { |
b65e5048 | 1831 | dictionary = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
1832 | dictionary->Compress(); | |
625f5260 | 1833 | } |
1834 | ||
1835 | } | |
abaf1f1d | 1836 | |
1837 | } | |
1838 | ||
f7336fa3 | 1839 | //_____________________________________________________________________________ |
0a29d0f1 | 1840 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1841 | { |
1842 | // | |
1843 | // Writes out the TRD-digits and the dictionaries | |
1844 | // | |
1845 | ||
4d18a639 | 1846 | // Write parameters |
bdbb05bb | 1847 | fRunLoader->CdGAFile(); |
bdbb05bb | 1848 | |
da581aea | 1849 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1850 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1851 | |
1852 | } | |
793ff80c | 1853 | |
8e64dd77 | 1854 | //_____________________________________________________________________________ |
88cb7938 | 1855 | void AliTRDdigitizer::InitOutput(Int_t iEvent) |
8e64dd77 | 1856 | { |
1857 | // | |
1858 | // Initializes the output branches | |
1859 | // | |
1860 | ||
1861 | fEvent = iEvent; | |
88cb7938 | 1862 | |
9afbd7de | 1863 | if (!fRunLoader) { |
1864 | AliError("Run Loader is NULL"); | |
1865 | return; | |
1866 | } | |
1867 | ||
4329977a | 1868 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 1869 | if (!loader) { |
1870 | AliError("Can not get TRD loader from Run Loader"); | |
1871 | return; | |
1872 | } | |
88cb7938 | 1873 | |
4d18a639 | 1874 | TTree *tree = 0; |
88cb7938 | 1875 | |
9afbd7de | 1876 | if (fSDigits) { |
1877 | // If we produce SDigits | |
88cb7938 | 1878 | tree = loader->TreeS(); |
9afbd7de | 1879 | if (!tree) { |
88cb7938 | 1880 | loader->MakeTree("S"); |
1881 | tree = loader->TreeS(); | |
9afbd7de | 1882 | } |
1883 | } | |
1884 | else { | |
1885 | // If we produce Digits | |
1886 | tree = loader->TreeD(); | |
1887 | if (!tree) { | |
1888 | loader->MakeTree("D"); | |
1889 | tree = loader->TreeD(); | |
1890 | } | |
1891 | } | |
88cb7938 | 1892 | fDigitsManager->SetEvent(iEvent); |
1893 | fDigitsManager->MakeBranch(tree); | |
8e64dd77 | 1894 | |
1895 | } | |
3551db50 | 1896 | |
3551db50 | 1897 | //_____________________________________________________________________________ |
a076fc2f | 1898 | Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t absdriftlength |
1899 | , Double_t &lRow, Double_t &lCol, Double_t &lTime) | |
3551db50 | 1900 | { |
1901 | // | |
a076fc2f | 1902 | // Applies the diffusion smearing to the position of a single electron. |
1903 | // Depends on absolute drift length. | |
3551db50 | 1904 | // |
1905 | ||
a076fc2f | 1906 | Float_t diffL = 0.0; |
1907 | Float_t diffT = 0.0; | |
4d18a639 | 1908 | |
a076fc2f | 1909 | if (AliTRDCommonParam::Instance()->GetDiffCoeff(diffL,diffT,vdrift)) { |
3551db50 | 1910 | |
a076fc2f | 1911 | Float_t driftSqrt = TMath::Sqrt(absdriftlength); |
1912 | Float_t sigmaT = driftSqrt * diffT; | |
1913 | Float_t sigmaL = driftSqrt * diffL; | |
1914 | lRow = gRandom->Gaus(lRow ,sigmaT); | |
1915 | lCol = gRandom->Gaus(lCol ,sigmaT * GetLorentzFactor(vdrift)); | |
1916 | lTime = gRandom->Gaus(lTime,sigmaL * GetLorentzFactor(vdrift)); | |
4d18a639 | 1917 | |
a076fc2f | 1918 | return 1; |
7754cd1f | 1919 | |
3551db50 | 1920 | } |
a076fc2f | 1921 | else { |
3551db50 | 1922 | |
a076fc2f | 1923 | return 0; |
1b95a37b | 1924 | |
3551db50 | 1925 | } |
9afbd7de | 1926 | |
3551db50 | 1927 | } |
3551db50 | 1928 | |
1929 | //_____________________________________________________________________________ | |
1930 | Float_t AliTRDdigitizer::GetLorentzFactor(Float_t vd) | |
1931 | { | |
9afbd7de | 1932 | // |
a076fc2f | 1933 | // Returns the Lorentz factor |
9afbd7de | 1934 | // |
1935 | ||
a076fc2f | 1936 | Double_t omegaTau = AliTRDCommonParam::Instance()->GetOmegaTau(vd); |
1937 | Double_t lorentzFactor = 1.0; | |
1938 | if (AliTRDCommonParam::Instance()->ExBOn()) { | |
1939 | lorentzFactor = 1.0 / (1.0 + omegaTau*omegaTau); | |
1940 | } | |
4d18a639 | 1941 | |
a076fc2f | 1942 | return lorentzFactor; |
9afbd7de | 1943 | |
3551db50 | 1944 | } |
1945 | ||
1946 | //_____________________________________________________________________________ | |
4329977a | 1947 | Int_t AliTRDdigitizer::ExB(Float_t vdrift, Double_t driftlength, Double_t &lCol) |
3551db50 | 1948 | { |
1949 | // | |
4329977a | 1950 | // Applies E x B effects to the position of a single electron. |
1951 | // Depends on signed drift length. | |
3551db50 | 1952 | // |
4329977a | 1953 | |
a076fc2f | 1954 | lCol = lCol |
1955 | + AliTRDCommonParam::Instance()->GetOmegaTau(vdrift) | |
1956 | * driftlength; | |
3551db50 | 1957 | |
1958 | return 1; | |
9afbd7de | 1959 | |
3551db50 | 1960 | } |
b65e5048 | 1961 | |
1962 | //_____________________________________________________________________________ | |
d295185b | 1963 | void AliTRDdigitizer::RunDigitalProcessing(Int_t det) |
b65e5048 | 1964 | { |
1965 | // | |
b0a41e80 | 1966 | // Run the digital processing in the TRAP |
b65e5048 | 1967 | // |
1968 | ||
b0a41e80 | 1969 | AliTRDfeeParam *feeParam = AliTRDfeeParam::Instance(); |
b65e5048 | 1970 | |
d295185b | 1971 | AliTRDarrayADC *digits = fDigitsManager->GetDigits(det); |
1972 | if (!digits) | |
1973 | return; | |
1974 | ||
b65e5048 | 1975 | //Call the methods in the mcm class using the temporary array as input |
64e3d742 | 1976 | for(Int_t rob = 0; rob < digits->GetNrow() / 2; rob++) |
b0a41e80 | 1977 | { |
1978 | for(Int_t mcm = 0; mcm < 16; mcm++) | |
b65e5048 | 1979 | { |
50002f37 | 1980 | fMcmSim->Init(det, rob, mcm); |
1981 | fMcmSim->SetDataByPad(digits, fDigitsManager); | |
1982 | fMcmSim->Filter(); | |
c8b1590d | 1983 | if (feeParam->GetTracklet()) { |
50002f37 | 1984 | fMcmSim->Tracklet(); |
1985 | fMcmSim->StoreTracklets(); | |
c8b1590d | 1986 | } |
50002f37 | 1987 | fMcmSim->ZSMapping(); |
1988 | fMcmSim->WriteData(digits); | |
b65e5048 | 1989 | } |
b0a41e80 | 1990 | } |
876a928e | 1991 | |
b65e5048 | 1992 | } |
980493fb | 1993 |