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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" | |
f21fc003 | 50 | #include "AliDigitizationInput.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" | |
ea3eaa08 | 73 | #include "Cal/AliTRDCalOnlineGainTableROC.h" |
4329977a | 74 | |
f7336fa3 | 75 | ClassImp(AliTRDdigitizer) |
76 | ||
77 | //_____________________________________________________________________________ | |
85cbec76 | 78 | AliTRDdigitizer::AliTRDdigitizer() |
4d18a639 | 79 | :AliDigitizer() |
80 | ,fRunLoader(0) | |
81 | ,fDigitsManager(0) | |
82 | ,fSDigitsManager(0) | |
83 | ,fSDigitsManagerList(0) | |
84 | ,fTRD(0) | |
85 | ,fGeo(0) | |
50002f37 | 86 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 87 | ,fEvent(0) |
88 | ,fMasks(0) | |
89 | ,fCompress(kTRUE) | |
90 | ,fSDigits(kFALSE) | |
4d18a639 | 91 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 92 | { |
93 | // | |
94 | // AliTRDdigitizer default constructor | |
95 | // | |
3551db50 | 96 | |
f7336fa3 | 97 | } |
98 | ||
99 | //_____________________________________________________________________________ | |
4d18a639 | 100 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) |
101 | :AliDigitizer(name,title) | |
102 | ,fRunLoader(0) | |
103 | ,fDigitsManager(0) | |
104 | ,fSDigitsManager(0) | |
105 | ,fSDigitsManagerList(0) | |
106 | ,fTRD(0) | |
107 | ,fGeo(0) | |
50002f37 | 108 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 109 | ,fEvent(0) |
110 | ,fMasks(0) | |
111 | ,fCompress(kTRUE) | |
112 | ,fSDigits(kFALSE) | |
4d18a639 | 113 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 114 | { |
115 | // | |
85cbec76 | 116 | // AliTRDdigitizer constructor |
117 | // | |
118 | ||
85cbec76 | 119 | } |
120 | ||
121 | //_____________________________________________________________________________ | |
f21fc003 | 122 | AliTRDdigitizer::AliTRDdigitizer(AliDigitizationInput* digInput |
4d18a639 | 123 | , const Text_t *name, const Text_t *title) |
f21fc003 | 124 | :AliDigitizer(digInput,name,title) |
4d18a639 | 125 | ,fRunLoader(0) |
126 | ,fDigitsManager(0) | |
127 | ,fSDigitsManager(0) | |
128 | ,fSDigitsManagerList(0) | |
129 | ,fTRD(0) | |
130 | ,fGeo(0) | |
50002f37 | 131 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 132 | ,fEvent(0) |
133 | ,fMasks(0) | |
134 | ,fCompress(kTRUE) | |
135 | ,fSDigits(kFALSE) | |
4d18a639 | 136 | ,fMergeSignalOnly(kFALSE) |
85cbec76 | 137 | { |
138 | // | |
139 | // AliTRDdigitizer constructor | |
f7336fa3 | 140 | // |
141 | ||
bfc40adc | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
f21fc003 | 145 | AliTRDdigitizer::AliTRDdigitizer(AliDigitizationInput* digInput) |
146 | :AliDigitizer(digInput,"AliTRDdigitizer","TRD digitizer") | |
4d18a639 | 147 | ,fRunLoader(0) |
148 | ,fDigitsManager(0) | |
149 | ,fSDigitsManager(0) | |
150 | ,fSDigitsManagerList(0) | |
151 | ,fTRD(0) | |
152 | ,fGeo(0) | |
50002f37 | 153 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 154 | ,fEvent(0) |
155 | ,fMasks(0) | |
156 | ,fCompress(kTRUE) | |
157 | ,fSDigits(kFALSE) | |
4d18a639 | 158 | ,fMergeSignalOnly(kFALSE) |
bfc40adc | 159 | { |
160 | // | |
161 | // AliTRDdigitizer constructor | |
162 | // | |
163 | ||
f7336fa3 | 164 | } |
165 | ||
8230f242 | 166 | //_____________________________________________________________________________ |
4d18a639 | 167 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) |
168 | :AliDigitizer(d) | |
169 | ,fRunLoader(0) | |
170 | ,fDigitsManager(0) | |
171 | ,fSDigitsManager(0) | |
172 | ,fSDigitsManagerList(0) | |
173 | ,fTRD(0) | |
174 | ,fGeo(0) | |
50002f37 | 175 | ,fMcmSim(new AliTRDmcmSim) |
4d18a639 | 176 | ,fEvent(0) |
177 | ,fMasks(0) | |
178 | ,fCompress(d.fCompress) | |
179 | ,fSDigits(d.fSDigits) | |
4d18a639 | 180 | ,fMergeSignalOnly(d.fMergeSignalOnly) |
8230f242 | 181 | { |
182 | // | |
183 | // AliTRDdigitizer copy constructor | |
184 | // | |
185 | ||
8230f242 | 186 | } |
187 | ||
f7336fa3 | 188 | //_____________________________________________________________________________ |
189 | AliTRDdigitizer::~AliTRDdigitizer() | |
190 | { | |
8230f242 | 191 | // |
192 | // AliTRDdigitizer destructor | |
193 | // | |
f7336fa3 | 194 | |
04e58504 | 195 | delete fDigitsManager; |
196 | fDigitsManager = 0; | |
197 | ||
198 | // s-digitsmanager will be deleted via list | |
199 | fSDigitsManager = 0; | |
200 | fSDigitsManagerList->Delete(); | |
201 | delete fSDigitsManagerList; | |
202 | fSDigitsManagerList = 0; | |
203 | ||
204 | delete [] fMasks; | |
205 | fMasks = 0; | |
206 | ||
207 | delete fMcmSim; | |
208 | fMcmSim = 0; | |
209 | ||
210 | delete fGeo; | |
211 | fGeo = 0; | |
f162af62 | 212 | |
f7336fa3 | 213 | } |
214 | ||
8230f242 | 215 | //_____________________________________________________________________________ |
dd9a6ee3 | 216 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
217 | { | |
218 | // | |
219 | // Assignment operator | |
220 | // | |
221 | ||
625f5260 | 222 | if (this != &d) { |
223 | ((AliTRDdigitizer &) d).Copy(*this); | |
224 | } | |
4d18a639 | 225 | |
dd9a6ee3 | 226 | return *this; |
227 | ||
228 | } | |
229 | ||
230 | //_____________________________________________________________________________ | |
e0d47c25 | 231 | void AliTRDdigitizer::Copy(TObject &d) const |
8230f242 | 232 | { |
233 | // | |
234 | // Copy function | |
235 | // | |
236 | ||
85a5290f | 237 | ((AliTRDdigitizer &) d).fRunLoader = 0; |
4487dad0 | 238 | ((AliTRDdigitizer &) d).fDigitsManager = 0; |
85a5290f | 239 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; |
240 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
4487dad0 | 241 | ((AliTRDdigitizer &) d).fTRD = 0; |
242 | ((AliTRDdigitizer &) d).fGeo = 0; | |
85a5290f | 243 | ((AliTRDdigitizer &) d).fEvent = 0; |
244 | ((AliTRDdigitizer &) d).fMasks = 0; | |
abaf1f1d | 245 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
abaf1f1d | 246 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
4487dad0 | 247 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
3becff3c | 248 | |
e23fbb27 | 249 | } |
250 | ||
e23fbb27 | 251 | //_____________________________________________________________________________ |
f21fc003 | 252 | void AliTRDdigitizer::Digitize(const Option_t* option) |
e23fbb27 | 253 | { |
254 | // | |
255 | // Executes the merging | |
256 | // | |
257 | ||
258 | Int_t iInput; | |
259 | ||
260 | AliTRDdigitsManager *sdigitsManager; | |
261 | ||
262 | TString optionString = option; | |
263 | if (optionString.Contains("deb")) { | |
9afbd7de | 264 | AliLog::SetClassDebugLevel("AliTRDdigitizer",1); |
7925de54 | 265 | AliInfo("Called with debug option"); |
e23fbb27 | 266 | } |
267 | ||
cec4059b | 268 | // The AliRoot file is already connected by the manager |
625f5260 | 269 | AliRunLoader *inrl = 0x0; |
88cb7938 | 270 | |
9afbd7de | 271 | if (gAlice) { |
7925de54 | 272 | AliDebug(1,"AliRun object found on file."); |
9afbd7de | 273 | } |
4487dad0 | 274 | else { |
f21fc003 | 275 | inrl = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(0)); |
88cb7938 | 276 | inrl->LoadgAlice(); |
277 | gAlice = inrl->GetAliRun(); | |
9afbd7de | 278 | if (!gAlice) { |
13242232 | 279 | AliError("Could not find AliRun object."); |
9afbd7de | 280 | return; |
281 | } | |
4487dad0 | 282 | } |
cec4059b | 283 | |
f21fc003 | 284 | Int_t nInput = fDigInput->GetNinputs(); |
4d18a639 | 285 | fMasks = new Int_t[nInput]; |
e23fbb27 | 286 | for (iInput = 0; iInput < nInput; iInput++) { |
f21fc003 | 287 | fMasks[iInput] = fDigInput->GetMask(iInput); |
e23fbb27 | 288 | } |
e23fbb27 | 289 | |
9afbd7de | 290 | // |
e23fbb27 | 291 | // Initialization |
9afbd7de | 292 | // |
e23fbb27 | 293 | |
f21fc003 | 294 | AliRunLoader *orl = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); |
95867fd1 | 295 | |
67c67368 | 296 | if (InitDetector()) { |
9afbd7de | 297 | |
95867fd1 | 298 | AliLoader *ogime = orl->GetLoader("TRDLoader"); |
67c67368 | 299 | |
95867fd1 | 300 | TTree *tree = 0; |
9afbd7de | 301 | if (fSDigits) { |
302 | // If we produce SDigits | |
303 | tree = ogime->TreeS(); | |
304 | if (!tree) { | |
305 | ogime->MakeTree("S"); | |
67c67368 | 306 | tree = ogime->TreeS(); |
67c67368 | 307 | } |
9afbd7de | 308 | } |
309 | else { | |
310 | // If we produce Digits | |
311 | tree = ogime->TreeD(); | |
312 | if (!tree) { | |
313 | ogime->MakeTree("D"); | |
314 | tree = ogime->TreeD(); | |
67c67368 | 315 | } |
9afbd7de | 316 | } |
317 | ||
67c67368 | 318 | MakeBranch(tree); |
9afbd7de | 319 | |
67c67368 | 320 | } |
321 | ||
e23fbb27 | 322 | for (iInput = 0; iInput < nInput; iInput++) { |
323 | ||
7925de54 | 324 | AliDebug(1,Form("Add input stream %d",iInput)); |
e23fbb27 | 325 | |
9afbd7de | 326 | // Check if the input tree exists |
f21fc003 | 327 | inrl = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); |
4d18a639 | 328 | AliLoader *gime = inrl->GetLoader("TRDLoader"); |
88cb7938 | 329 | |
4d18a639 | 330 | TTree *treees = gime->TreeS(); |
9afbd7de | 331 | if (treees == 0x0) { |
332 | if (gime->LoadSDigits()) { | |
333 | AliError(Form("Error Occured while loading S. Digits for input %d.",iInput)); | |
334 | return; | |
335 | } | |
4d18a639 | 336 | treees = gime->TreeS(); |
9afbd7de | 337 | } |
88cb7938 | 338 | |
339 | if (treees == 0x0) { | |
7925de54 | 340 | AliError(Form("Input stream %d does not exist",iInput)); |
c57e2264 | 341 | return; |
342 | } | |
343 | ||
e23fbb27 | 344 | // Read the s-digits via digits manager |
345 | sdigitsManager = new AliTRDdigitsManager(); | |
e23fbb27 | 346 | sdigitsManager->SetSDigits(kTRUE); |
88cb7938 | 347 | |
f21fc003 | 348 | AliRunLoader *rl = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); |
4d18a639 | 349 | AliLoader *gimme = rl->GetLoader("TRDLoader"); |
b65e5048 | 350 | if (!gimme->TreeS()) |
351 | { | |
352 | gimme->LoadSDigits(); | |
353 | } | |
e23fbb27 | 354 | |
b65e5048 | 355 | sdigitsManager->ReadDigits(gimme->TreeS()); |
356 | ||
e23fbb27 | 357 | // Add the s-digits to the input list |
358 | AddSDigitsManager(sdigitsManager); | |
359 | ||
360 | } | |
361 | ||
362 | // Convert the s-digits to normal digits | |
7925de54 | 363 | AliDebug(1,"Do the conversion"); |
e23fbb27 | 364 | SDigits2Digits(); |
365 | ||
366 | // Store the digits | |
7925de54 | 367 | AliDebug(1,"Write the digits"); |
e23fbb27 | 368 | fDigitsManager->WriteDigits(); |
88cb7938 | 369 | |
9afbd7de | 370 | // Write parameters |
67c67368 | 371 | orl->CdGAFile(); |
67c67368 | 372 | |
26d3c914 | 373 | // Clean up |
b1113c6b | 374 | DeleteSDigitsManager(); |
375 | ||
26d3c914 | 376 | AliDebug(1,"Done"); |
377 | ||
e23fbb27 | 378 | } |
379 | ||
f7336fa3 | 380 | //_____________________________________________________________________________ |
e23fbb27 | 381 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 382 | { |
383 | // | |
384 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
385 | // | |
f7336fa3 | 386 | // Connect the AliRoot file containing Geometry, Kine, and Hits |
3becff3c | 387 | // |
f540341d | 388 | |
e191bb57 | 389 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
9afbd7de | 390 | |
f540341d | 391 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
9afbd7de | 392 | if (!fRunLoader) { |
393 | fRunLoader = AliRunLoader::Open(file,evfoldname,"UPDATE"); | |
394 | } | |
9afbd7de | 395 | if (!fRunLoader) { |
95867fd1 | 396 | AliError(Form("Can not open session for file %s.",file)); |
397 | return kFALSE; | |
398 | } | |
399 | ||
400 | if (!fRunLoader->GetAliRun()) { | |
401 | fRunLoader->LoadgAlice(); | |
402 | } | |
403 | gAlice = fRunLoader->GetAliRun(); | |
404 | ||
405 | if (gAlice) { | |
7925de54 | 406 | AliDebug(1,"AliRun object found on file."); |
95867fd1 | 407 | } |
408 | else { | |
7925de54 | 409 | AliError("Could not find AliRun object."); |
95867fd1 | 410 | return kFALSE; |
411 | } | |
412 | ||
413 | fEvent = nEvent; | |
414 | ||
415 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
416 | if (!loader) { | |
417 | AliError("Can not get TRD loader from Run Loader"); | |
418 | return kFALSE; | |
419 | } | |
420 | ||
421 | if (InitDetector()) { | |
422 | TTree *tree = 0; | |
423 | if (fSDigits) { | |
424 | // If we produce SDigits | |
425 | tree = loader->TreeS(); | |
426 | if (!tree) { | |
427 | loader->MakeTree("S"); | |
428 | tree = loader->TreeS(); | |
429 | } | |
430 | } | |
431 | else { | |
432 | // If we produce Digits | |
433 | tree = loader->TreeD(); | |
434 | if (!tree) { | |
435 | loader->MakeTree("D"); | |
436 | tree = loader->TreeD(); | |
437 | } | |
438 | } | |
439 | return MakeBranch(tree); | |
440 | } | |
441 | else { | |
442 | return kFALSE; | |
443 | } | |
444 | ||
445 | } | |
446 | ||
447 | //_____________________________________________________________________________ | |
621310dd | 448 | Bool_t AliTRDdigitizer::Open(AliRunLoader * const runLoader, Int_t nEvent) |
95867fd1 | 449 | { |
450 | // | |
451 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
452 | // | |
453 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
454 | // | |
455 | ||
456 | fRunLoader = runLoader; | |
457 | if (!fRunLoader) { | |
458 | AliError("RunLoader does not exist"); | |
459 | return kFALSE; | |
4d18a639 | 460 | } |
88cb7938 | 461 | |
9afbd7de | 462 | if (!fRunLoader->GetAliRun()) { |
463 | fRunLoader->LoadgAlice(); | |
464 | } | |
88cb7938 | 465 | gAlice = fRunLoader->GetAliRun(); |
466 | ||
da581aea | 467 | if (gAlice) { |
7925de54 | 468 | AliDebug(1,"AliRun object found on file."); |
da581aea | 469 | } |
470 | else { | |
7925de54 | 471 | AliError("Could not find AliRun object."); |
da581aea | 472 | return kFALSE; |
473 | } | |
f7336fa3 | 474 | |
475 | fEvent = nEvent; | |
476 | ||
4d18a639 | 477 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 478 | if (!loader) { |
479 | AliError("Can not get TRD loader from Run Loader"); | |
480 | return kFALSE; | |
481 | } | |
88cb7938 | 482 | |
abaf1f1d | 483 | if (InitDetector()) { |
4d18a639 | 484 | TTree *tree = 0; |
9afbd7de | 485 | if (fSDigits) { |
486 | // If we produce SDigits | |
487 | tree = loader->TreeS(); | |
488 | if (!tree) { | |
489 | loader->MakeTree("S"); | |
490 | tree = loader->TreeS(); | |
4d18a639 | 491 | } |
9afbd7de | 492 | } |
493 | else { | |
494 | // If we produce Digits | |
95867fd1 | 495 | tree = loader->TreeD(); |
9afbd7de | 496 | if (!tree) { |
497 | loader->MakeTree("D"); | |
498 | tree = loader->TreeD(); | |
4d18a639 | 499 | } |
9afbd7de | 500 | } |
88cb7938 | 501 | return MakeBranch(tree); |
abaf1f1d | 502 | } |
503 | else { | |
504 | return kFALSE; | |
505 | } | |
793ff80c | 506 | |
507 | } | |
508 | ||
509 | //_____________________________________________________________________________ | |
510 | Bool_t AliTRDdigitizer::InitDetector() | |
511 | { | |
512 | // | |
513 | // Sets the pointer to the TRD detector and the geometry | |
514 | // | |
515 | ||
dd9a6ee3 | 516 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 517 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 518 | if (!fTRD) { |
7925de54 | 519 | AliFatal("No TRD module found"); |
cec4059b | 520 | exit(1); |
521 | } | |
dd9a6ee3 | 522 | if (fTRD->IsVersion() != 1) { |
7925de54 | 523 | AliFatal("TRD must be version 1 (slow simulator)"); |
dd9a6ee3 | 524 | exit(1); |
525 | } | |
526 | ||
527 | // Get the geometry | |
f162af62 | 528 | fGeo = new AliTRDgeometry(); |
dd9a6ee3 | 529 | |
abaf1f1d | 530 | // Create a digits manager |
625f5260 | 531 | if (fDigitsManager) { |
532 | delete fDigitsManager; | |
533 | } | |
abaf1f1d | 534 | fDigitsManager = new AliTRDdigitsManager(); |
535 | fDigitsManager->SetSDigits(fSDigits); | |
536 | fDigitsManager->CreateArrays(); | |
537 | fDigitsManager->SetEvent(fEvent); | |
abaf1f1d | 538 | |
539 | // The list for the input s-digits manager to be merged | |
47b5729a | 540 | if (fSDigitsManagerList) { |
541 | fSDigitsManagerList->Delete(); | |
3becff3c | 542 | } |
543 | else { | |
47b5729a | 544 | fSDigitsManagerList = new TList(); |
545 | } | |
abaf1f1d | 546 | |
4487dad0 | 547 | return kTRUE; |
f7336fa3 | 548 | |
549 | } | |
876a928e | 550 | |
6244debe | 551 | //_____________________________________________________________________________ |
95867fd1 | 552 | Bool_t AliTRDdigitizer::MakeBranch(TTree *tree) const |
6244debe | 553 | { |
abaf1f1d | 554 | // |
555 | // Create the branches for the digits array | |
6244debe | 556 | // |
557 | ||
88cb7938 | 558 | return fDigitsManager->MakeBranch(tree); |
6244debe | 559 | |
560 | } | |
561 | ||
625f5260 | 562 | //_____________________________________________________________________________ |
563 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
564 | { | |
565 | // | |
566 | // Add a digits manager for s-digits to the input list. | |
567 | // | |
568 | ||
569 | fSDigitsManagerList->Add(man); | |
570 | ||
571 | } | |
572 | ||
573 | //_____________________________________________________________________________ | |
574 | void AliTRDdigitizer::DeleteSDigitsManager() | |
575 | { | |
576 | // | |
577 | // Removes digits manager from the input list. | |
578 | // | |
579 | ||
580 | fSDigitsManagerList->Delete(); | |
581 | ||
582 | } | |
583 | ||
f7336fa3 | 584 | //_____________________________________________________________________________ |
585 | Bool_t AliTRDdigitizer::MakeDigits() | |
586 | { | |
587 | // | |
872a7aba | 588 | // Creates digits. |
f7336fa3 | 589 | // |
590 | ||
625f5260 | 591 | AliDebug(1,"Start creating digits"); |
592 | ||
593 | if (!fGeo) { | |
594 | AliError("No geometry defined"); | |
595 | return kFALSE; | |
596 | } | |
f7336fa3 | 597 | |
625f5260 | 598 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
599 | if (!calibration) { | |
600 | AliFatal("Could not get calibration object"); | |
601 | return kFALSE; | |
602 | } | |
603 | ||
604 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
605 | ||
606 | Float_t **hits = new Float_t*[kNdet]; | |
607 | Int_t *nhit = new Int_t[kNdet]; | |
12c9b1c3 | 608 | memset(nhit,0,kNdet*sizeof(Int_t)); |
625f5260 | 609 | |
b65e5048 | 610 | AliTRDarraySignal *signals = 0x0; |
5896bc23 | 611 | |
876a928e | 612 | // Check the number of time bins from simParam against OCDB, |
613 | // if OCDB value is not supposed to be used. | |
614 | // As default, the value from OCDB is taken | |
615 | if (AliTRDSimParam::Instance()->GetNTBoverwriteOCDB()) { | |
616 | if (calibration->GetNumberOfTimeBinsDCS() != AliTRDSimParam::Instance()->GetNTimeBins()) { | |
617 | AliWarning(Form("Number of time bins is different to OCDB value [SIM=%d, OCDB=%d]" | |
618 | ,AliTRDSimParam::Instance()->GetNTimeBins() | |
619 | ,calibration->GetNumberOfTimeBinsDCS())); | |
620 | } | |
621 | // Save the values for the raw data headers | |
622 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDSimParam::Instance()->GetNTimeBins()); | |
623 | } | |
624 | else { | |
625 | // Save the values for the raw data headers | |
626 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(calibration->GetNumberOfTimeBinsDCS()); | |
5896bc23 | 627 | } |
876a928e | 628 | |
629 | // Save the values for the raw data headers | |
630 | fDigitsManager->GetDigitsParam()->SetADCbaselineAll(AliTRDSimParam::Instance()->GetADCbaseline()); | |
625f5260 | 631 | |
632 | // Sort all hits according to detector number | |
633 | if (!SortHits(hits,nhit)) { | |
634 | AliError("Sorting hits failed"); | |
024c0422 | 635 | delete [] hits; |
636 | delete [] nhit; | |
625f5260 | 637 | return kFALSE; |
638 | } | |
639 | ||
640 | // Loop through all detectors | |
641 | for (Int_t det = 0; det < kNdet; det++) { | |
642 | ||
643 | // Detectors that are switched off, not installed, etc. | |
2f597d7f | 644 | if ((!calibration->IsChamberNoData(det)) && |
625f5260 | 645 | ( fGeo->ChamberInGeometry(det)) && |
646 | (nhit[det] > 0)) { | |
647 | ||
b65e5048 | 648 | signals = new AliTRDarraySignal(); |
649 | ||
625f5260 | 650 | // Convert the hits of the current detector to detector signals |
651 | if (!ConvertHits(det,hits[det],nhit[det],signals)) { | |
b65e5048 | 652 | AliError(Form("Conversion of hits failed for detector=%d",det)); |
024c0422 | 653 | delete [] hits; |
654 | delete [] nhit; | |
655 | delete signals; | |
656 | signals = 0x0; | |
625f5260 | 657 | return kFALSE; |
658 | } | |
ea3eaa08 | 659 | |
625f5260 | 660 | // Convert the detector signals to digits or s-digits |
661 | if (!ConvertSignals(det,signals)) { | |
b65e5048 | 662 | AliError(Form("Conversion of signals failed for detector=%d",det)); |
024c0422 | 663 | delete [] hits; |
664 | delete [] nhit; | |
665 | delete signals; | |
666 | signals = 0x0; | |
b65e5048 | 667 | return kFALSE; |
625f5260 | 668 | } |
669 | ||
670 | // Delete the signals array | |
671 | delete signals; | |
672 | signals = 0x0; | |
673 | ||
674 | } // if: detector status | |
675 | ||
27cea06a | 676 | delete [] hits[det]; |
677 | ||
625f5260 | 678 | } // for: detector |
679 | ||
ff8935b1 | 680 | if (!fSDigits) { |
ea3eaa08 | 681 | if (AliDataLoader *trklLoader |
682 | = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) { | |
ff8935b1 | 683 | if (trklLoader->Tree()) |
684 | trklLoader->WriteData("OVERWRITE"); | |
685 | } | |
686 | } | |
ce4786b9 | 687 | |
625f5260 | 688 | delete [] hits; |
689 | delete [] nhit; | |
690 | ||
691 | return kTRUE; | |
692 | ||
693 | } | |
694 | ||
695 | //_____________________________________________________________________________ | |
696 | Bool_t AliTRDdigitizer::SortHits(Float_t **hits, Int_t *nhit) | |
697 | { | |
698 | // | |
699 | // Read all the hits and sorts them according to detector number | |
700 | // in the output array <hits>. | |
701 | // | |
702 | ||
703 | AliDebug(1,"Start sorting hits"); | |
704 | ||
705 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
706 | // Size of the hit vector | |
707 | const Int_t kNhit = 6; | |
708 | ||
709 | Float_t *xyz = 0; | |
710 | Int_t nhitTrk = 0; | |
711 | ||
712 | Int_t *lhit = new Int_t[kNdet]; | |
12c9b1c3 | 713 | memset(lhit,0,kNdet*sizeof(Int_t)); |
625f5260 | 714 | |
715 | for (Int_t det = 0; det < kNdet; det++) { | |
12c9b1c3 | 716 | hits[det] = 0x0; |
625f5260 | 717 | } |
718 | ||
719 | AliLoader *gimme = fRunLoader->GetLoader("TRDLoader"); | |
720 | if (!gimme->TreeH()) { | |
721 | gimme->LoadHits(); | |
722 | } | |
723 | TTree *hitTree = gimme->TreeH(); | |
724 | if (hitTree == 0x0) { | |
725 | AliError("Can not get TreeH"); | |
af63084f | 726 | delete [] lhit; |
625f5260 | 727 | return kFALSE; |
728 | } | |
729 | fTRD->SetTreeAddress(); | |
730 | ||
731 | // Get the number of entries in the hit tree | |
732 | // (Number of primary particles creating a hit somewhere) | |
733 | Int_t nTrk = (Int_t) hitTree->GetEntries(); | |
734 | AliDebug(1,Form("Found %d tracks",nTrk)); | |
735 | ||
736 | // Loop through all the tracks in the tree | |
737 | for (Int_t iTrk = 0; iTrk < nTrk; iTrk++) { | |
738 | ||
3e2e3ece | 739 | gAlice->GetMCApp()->ResetHits(); |
625f5260 | 740 | hitTree->GetEvent(iTrk); |
741 | ||
742 | if (!fTRD->Hits()) { | |
743 | AliError(Form("No hits array for track = %d",iTrk)); | |
744 | continue; | |
745 | } | |
746 | ||
747 | // Number of hits for this track | |
748 | nhitTrk = fTRD->Hits()->GetEntriesFast(); | |
749 | ||
750 | Int_t hitCnt = 0; | |
751 | // Loop through the TRD hits | |
752 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
753 | while (hit) { | |
754 | ||
755 | hitCnt++; | |
756 | ||
757 | // Don't analyze test hits | |
758 | if (((Int_t) hit->GetCharge()) != 0) { | |
759 | ||
760 | Int_t trk = hit->Track(); | |
761 | Int_t det = hit->GetDetector(); | |
762 | Int_t q = hit->GetCharge(); | |
763 | Float_t x = hit->X(); | |
764 | Float_t y = hit->Y(); | |
765 | Float_t z = hit->Z(); | |
766 | Float_t time = hit->GetTime(); | |
767 | ||
768 | if (nhit[det] == lhit[det]) { | |
769 | // Inititialization of new detector | |
770 | xyz = new Float_t[kNhit*(nhitTrk+lhit[det])]; | |
771 | if (hits[det]) { | |
772 | memcpy(xyz,hits[det],sizeof(Float_t)*kNhit*lhit[det]); | |
773 | delete [] hits[det]; | |
774 | } | |
775 | lhit[det] += nhitTrk; | |
776 | hits[det] = xyz; | |
777 | } | |
778 | else { | |
779 | xyz = hits[det]; | |
780 | } | |
781 | xyz[nhit[det]*kNhit+0] = x; | |
782 | xyz[nhit[det]*kNhit+1] = y; | |
783 | xyz[nhit[det]*kNhit+2] = z; | |
784 | xyz[nhit[det]*kNhit+3] = q; | |
785 | xyz[nhit[det]*kNhit+4] = trk; | |
786 | xyz[nhit[det]*kNhit+5] = time; | |
787 | nhit[det]++; | |
788 | ||
789 | } // if: charge != 0 | |
790 | ||
791 | hit = (AliTRDhit *) fTRD->NextHit(); | |
792 | ||
793 | } // for: hits of one track | |
794 | ||
795 | } // for: tracks | |
796 | ||
797 | delete [] lhit; | |
798 | ||
799 | return kTRUE; | |
800 | ||
801 | } | |
f7336fa3 | 802 | |
625f5260 | 803 | //_____________________________________________________________________________ |
621310dd | 804 | Bool_t AliTRDdigitizer::ConvertHits(Int_t det |
805 | , const Float_t * const hits | |
806 | , Int_t nhit | |
b65e5048 | 807 | , AliTRDarraySignal *signals) |
625f5260 | 808 | { |
809 | // | |
810 | // Converts the detectorwise sorted hits to detector signals | |
811 | // | |
812 | ||
813 | AliDebug(1,Form("Start converting hits for detector=%d (nhits=%d)",det,nhit)); | |
f7336fa3 | 814 | |
793ff80c | 815 | // Number of pads included in the pad response |
a5cadd36 | 816 | const Int_t kNpad = 3; |
793ff80c | 817 | // Number of track dictionary arrays |
625f5260 | 818 | const Int_t kNdict = AliTRDdigitsManager::kNDict; |
819 | // Size of the hit vector | |
820 | const Int_t kNhit = 6; | |
793ff80c | 821 | |
4329977a | 822 | // Width of the amplification region |
823 | const Float_t kAmWidth = AliTRDgeometry::AmThick(); | |
3becff3c | 824 | // Width of the drift region |
ccb4315c | 825 | const Float_t kDrWidth = AliTRDgeometry::DrThick(); |
4329977a | 826 | // Drift + amplification region |
827 | const Float_t kDrMin = - 0.5 * kAmWidth; | |
828 | const Float_t kDrMax = kDrWidth + 0.5 * kAmWidth; | |
3551db50 | 829 | |
625f5260 | 830 | Int_t iPad = 0; |
831 | Int_t dict = 0; | |
832 | Int_t timeBinTRFend = 1; | |
872a7aba | 833 | |
a5cadd36 | 834 | Double_t pos[3]; |
4329977a | 835 | Double_t loc[3]; |
a5cadd36 | 836 | Double_t padSignal[kNpad]; |
837 | Double_t signalOld[kNpad]; | |
872a7aba | 838 | |
b65e5048 | 839 | AliTRDarrayDictionary *dictionary[kNdict]; |
4329977a | 840 | |
9afbd7de | 841 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 842 | AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); |
625f5260 | 843 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
844 | ||
3becff3c | 845 | if (!commonParam) { |
4329977a | 846 | AliFatal("Could not get common parameterss"); |
3551db50 | 847 | return kFALSE; |
848 | } | |
625f5260 | 849 | if (!simParam) { |
850 | AliFatal("Could not get simulation parameters"); | |
851 | return kFALSE; | |
852 | } | |
3becff3c | 853 | if (!calibration) { |
4329977a | 854 | AliFatal("Could not get calibration object"); |
3551db50 | 855 | return kFALSE; |
856 | } | |
857 | ||
625f5260 | 858 | // Get the detector wise calibration objects |
859 | AliTRDCalROC *calVdriftROC = 0; | |
860 | Float_t calVdriftDetValue = 0.0; | |
861 | const AliTRDCalDet *calVdriftDet = calibration->GetVdriftDet(); | |
862 | AliTRDCalROC *calT0ROC = 0; | |
863 | Float_t calT0DetValue = 0.0; | |
864 | const AliTRDCalDet *calT0Det = calibration->GetT0Det(); | |
9b1d8507 | 865 | Double_t calExBDetValue = 0.0; |
866 | const AliTRDCalDet *calExBDet = calibration->GetExBDet(); | |
4329977a | 867 | |
4329977a | 868 | if (simParam->TRFOn()) { |
869 | timeBinTRFend = ((Int_t) (simParam->GetTRFhi() | |
870 | * commonParam->GetSamplingFrequency())) - 1; | |
4329977a | 871 | } |
872 | ||
876a928e | 873 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
b43a3e17 | 874 | Float_t samplingRate = commonParam->GetSamplingFrequency(); |
4329977a | 875 | Float_t elAttachProp = simParam->GetElAttachProp() / 100.0; |
a328fff9 | 876 | |
625f5260 | 877 | AliTRDpadPlane *padPlane = fGeo->GetPadPlane(det); |
b65e5048 | 878 | Int_t layer = fGeo->GetLayer(det); //update |
625f5260 | 879 | Float_t row0 = padPlane->GetRow0ROC(); |
880 | Int_t nRowMax = padPlane->GetNrows(); | |
881 | Int_t nColMax = padPlane->GetNcols(); | |
882 | ||
883 | // Create a new array for the signals | |
884 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
885 | ||
886 | // Create a new array for the dictionary | |
887 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 888 | dictionary[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 889 | dictionary[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
890 | } | |
891 | ||
892 | // Loop through the hits in this detector | |
893 | for (Int_t hit = 0; hit < nhit; hit++) { | |
894 | ||
895 | pos[0] = hits[hit*kNhit+0]; | |
896 | pos[1] = hits[hit*kNhit+1]; | |
897 | pos[2] = hits[hit*kNhit+2]; | |
898 | Float_t q = hits[hit*kNhit+3]; | |
899 | Float_t hittime = hits[hit*kNhit+5]; | |
900 | Int_t track = ((Int_t) hits[hit*kNhit+4]); | |
901 | ||
902 | Int_t inDrift = 1; | |
903 | ||
904 | // Find the current volume with the geo manager | |
905 | gGeoManager->SetCurrentPoint(pos); | |
906 | gGeoManager->FindNode(); | |
907 | if (strstr(gGeoManager->GetPath(),"/UK")) { | |
908 | inDrift = 0; | |
909 | } | |
793ff80c | 910 | |
625f5260 | 911 | // Get the calibration objects |
912 | calVdriftROC = calibration->GetVdriftROC(det); | |
913 | calVdriftDetValue = calVdriftDet->GetValue(det); | |
914 | calT0ROC = calibration->GetT0ROC(det); | |
915 | calT0DetValue = calT0Det->GetValue(det); | |
9b1d8507 | 916 | calExBDetValue = calExBDet->GetValue(det); |
625f5260 | 917 | |
918 | // Go to the local coordinate system: | |
919 | // loc[0] - col direction in amplification or driftvolume | |
920 | // loc[1] - row direction in amplification or driftvolume | |
921 | // loc[2] - time direction in amplification or driftvolume | |
922 | gGeoManager->MasterToLocal(pos,loc); | |
923 | if (inDrift) { | |
924 | // Relative to middle of amplification region | |
925 | loc[2] = loc[2] - kDrWidth/2.0 - kAmWidth/2.0; | |
926 | } | |
793ff80c | 927 | |
625f5260 | 928 | // The driftlength [cm] (w/o diffusion yet !). |
929 | // It is negative if the hit is between pad plane and anode wires. | |
930 | Double_t driftlength = -1.0 * loc[2]; | |
e23fbb27 | 931 | |
625f5260 | 932 | // Stupid patch to take care of TR photons that are absorbed |
933 | // outside the chamber volume. A real fix would actually need | |
934 | // a more clever implementation of the TR hit generation | |
935 | if (q < 0.0) { | |
936 | if ((loc[1] < padPlane->GetRowEndROC()) || | |
937 | (loc[1] > padPlane->GetRow0ROC())) { | |
f881dc35 | 938 | continue; |
939 | } | |
625f5260 | 940 | if ((driftlength < kDrMin) || |
941 | (driftlength > kDrMax)) { | |
942 | continue; | |
4329977a | 943 | } |
625f5260 | 944 | } |
f881dc35 | 945 | |
625f5260 | 946 | // Get row and col of unsmeared electron to retrieve drift velocity |
947 | // The pad row (z-direction) | |
948 | Int_t rowE = padPlane->GetPadRowNumberROC(loc[1]); | |
949 | if (rowE < 0) { | |
950 | continue; | |
951 | } | |
952 | Double_t rowOffset = padPlane->GetPadRowOffsetROC(rowE,loc[1]); | |
953 | // The pad column (rphi-direction) | |
954 | Double_t offsetTilt = padPlane->GetTiltOffset(rowOffset); | |
955 | Int_t colE = padPlane->GetPadColNumber(loc[0]+offsetTilt); | |
956 | if (colE < 0) { | |
957 | continue; | |
958 | } | |
0a17cc30 | 959 | Double_t colOffset = 0.0; |
f881dc35 | 960 | |
625f5260 | 961 | // Normalized drift length |
962 | Float_t driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
963 | Double_t absdriftlength = TMath::Abs(driftlength); | |
964 | if (commonParam->ExBOn()) { | |
9b1d8507 | 965 | absdriftlength /= TMath::Sqrt(1.0 / (1.0 + calExBDetValue*calExBDetValue)); |
625f5260 | 966 | } |
967 | ||
968 | // Loop over all electrons of this hit | |
969 | // TR photons produce hits with negative charge | |
970 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
971 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
972 | ||
973 | // Now the real local coordinate system of the ROC | |
974 | // column direction: locC | |
975 | // row direction: locR | |
976 | // time direction: locT | |
977 | // locR and locC are identical to the coordinates of the corresponding | |
978 | // volumina of the drift or amplification region. | |
979 | // locT is defined relative to the wire plane (i.e. middle of amplification | |
26d3c914 | 980 | // region), meaning locT = 0, and is negative for hits coming from the |
625f5260 | 981 | // drift region. |
982 | Double_t locC = loc[0]; | |
983 | Double_t locR = loc[1]; | |
984 | Double_t locT = loc[2]; | |
985 | ||
986 | // Electron attachment | |
987 | if (simParam->ElAttachOn()) { | |
988 | if (gRandom->Rndm() < (absdriftlength * elAttachProp)) { | |
989 | continue; | |
f881dc35 | 990 | } |
625f5260 | 991 | } |
992 | ||
993 | // Apply the diffusion smearing | |
994 | if (simParam->DiffusionOn()) { | |
9b1d8507 | 995 | if (!(Diffusion(driftvelocity,absdriftlength,calExBDetValue,locR,locC,locT))) { |
625f5260 | 996 | continue; |
f881dc35 | 997 | } |
f881dc35 | 998 | } |
793ff80c | 999 | |
625f5260 | 1000 | // Apply E x B effects (depends on drift direction) |
9b1d8507 | 1001 | if (commonParam->ExBOn()) { |
1002 | locC = locC + calExBDetValue * driftlength; | |
729161c5 | 1003 | } |
1004 | ||
625f5260 | 1005 | // The electron position after diffusion and ExB in pad coordinates. |
4329977a | 1006 | // The pad row (z-direction) |
625f5260 | 1007 | rowE = padPlane->GetPadRowNumberROC(locR); |
1008 | if (rowE < 0) continue; | |
1009 | rowOffset = padPlane->GetPadRowOffsetROC(rowE,locR); | |
4329977a | 1010 | |
1011 | // The pad column (rphi-direction) | |
625f5260 | 1012 | offsetTilt = padPlane->GetTiltOffset(rowOffset); |
1013 | colE = padPlane->GetPadColNumber(locC+offsetTilt); | |
1014 | if (colE < 0) continue; | |
1015 | colOffset = padPlane->GetPadColOffset(colE,locC+offsetTilt); | |
b65e5048 | 1016 | |
625f5260 | 1017 | // Also re-retrieve drift velocity because col and row may have changed |
1018 | driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
1019 | Float_t t0 = calT0DetValue + calT0ROC->GetValue(colE,rowE); | |
1020 | ||
1021 | // Convert the position to drift time [mus], using either constant drift velocity or | |
1022 | // time structure of drift cells (non-isochronity, GARFIELD calculation). | |
1023 | // Also add absolute time of hits to take pile-up events into account properly | |
1024 | Double_t drifttime; | |
1025 | if (simParam->TimeStructOn()) { | |
1026 | // Get z-position with respect to anode wire | |
58897a75 | 1027 | Double_t zz = row0 - locR + padPlane->GetAnodeWireOffset(); |
625f5260 | 1028 | zz -= ((Int_t)(2 * zz)) / 2.0; |
1029 | if (zz > 0.25) { | |
1030 | zz = 0.5 - zz; | |
1031 | } | |
1032 | // Use drift time map (GARFIELD) | |
a076fc2f | 1033 | drifttime = commonParam->TimeStruct(driftvelocity,0.5*kAmWidth-1.0*locT,zz) |
625f5260 | 1034 | + hittime; |
1035 | } | |
1036 | else { | |
1037 | // Use constant drift velocity | |
26d3c914 | 1038 | drifttime = TMath::Abs(locT) / driftvelocity |
625f5260 | 1039 | + hittime; |
4329977a | 1040 | } |
625f5260 | 1041 | |
1042 | // Apply the gas gain including fluctuations | |
1043 | Double_t ggRndm = 0.0; | |
1044 | do { | |
1045 | ggRndm = gRandom->Rndm(); | |
1046 | } while (ggRndm <= 0); | |
eb52b657 | 1047 | Double_t signal = -(simParam->GetGasGain()) * TMath::Log(ggRndm); |
625f5260 | 1048 | |
1049 | // Apply the pad response | |
1050 | if (simParam->PRFOn()) { | |
1051 | // The distance of the electron to the center of the pad | |
1052 | // in units of pad width | |
1053 | Double_t dist = (colOffset - 0.5*padPlane->GetColSize(colE)) | |
1054 | / padPlane->GetColSize(colE); | |
1055 | // This is a fixed parametrization, i.e. not dependent on | |
1056 | // calibration values ! | |
053767a4 | 1057 | if (!(calibration->PadResponse(signal,dist,layer,padSignal))) continue; |
625f5260 | 1058 | } |
1059 | else { | |
1060 | padSignal[0] = 0.0; | |
1061 | padSignal[1] = signal; | |
1062 | padSignal[2] = 0.0; | |
4329977a | 1063 | } |
f881dc35 | 1064 | |
625f5260 | 1065 | // The time bin (always positive), with t0 distortion |
1066 | Double_t timeBinIdeal = drifttime * samplingRate + t0; | |
1067 | // Protection | |
1068 | if (TMath::Abs(timeBinIdeal) > 2*nTimeTotal) { | |
1069 | timeBinIdeal = 2 * nTimeTotal; | |
1070 | } | |
1071 | Int_t timeBinTruncated = ((Int_t) timeBinIdeal); | |
1072 | // The distance of the position to the middle of the timebin | |
1073 | Double_t timeOffset = ((Float_t) timeBinTruncated | |
1074 | + 0.5 - timeBinIdeal) / samplingRate; | |
3551db50 | 1075 | |
625f5260 | 1076 | // Sample the time response inside the drift region |
1077 | // + additional time bins before and after. | |
1078 | // The sampling is done always in the middle of the time bin | |
1079 | for (Int_t iTimeBin = TMath::Max(timeBinTruncated,0) | |
1080 | ;iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal) | |
1081 | ;iTimeBin++) { | |
1082 | ||
1083 | // Apply the time response | |
1084 | Double_t timeResponse = 1.0; | |
1085 | Double_t crossTalk = 0.0; | |
1086 | Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; | |
58897a75 | 1087 | |
625f5260 | 1088 | if (simParam->TRFOn()) { |
1089 | timeResponse = simParam->TimeResponse(time); | |
f881dc35 | 1090 | } |
625f5260 | 1091 | if (simParam->CTOn()) { |
1092 | crossTalk = simParam->CrossTalk(time); | |
f881dc35 | 1093 | } |
e23fbb27 | 1094 | |
625f5260 | 1095 | signalOld[0] = 0.0; |
1096 | signalOld[1] = 0.0; | |
1097 | signalOld[2] = 0.0; | |
e23fbb27 | 1098 | |
625f5260 | 1099 | for (iPad = 0; iPad < kNpad; iPad++) { |
f7336fa3 | 1100 | |
625f5260 | 1101 | Int_t colPos = colE + iPad - 1; |
1102 | if (colPos < 0) continue; | |
1103 | if (colPos >= nColMax) break; | |
e23fbb27 | 1104 | |
625f5260 | 1105 | // Add the signals |
b65e5048 | 1106 | signalOld[iPad] = signals->GetData(rowE,colPos,iTimeBin); |
e23fbb27 | 1107 | |
625f5260 | 1108 | if (colPos != colE) { |
1109 | // Cross talk added to non-central pads | |
1110 | signalOld[iPad] += padSignal[iPad] | |
1111 | * (timeResponse + crossTalk); | |
1112 | } | |
1113 | else { | |
1114 | // W/o cross talk at central pad | |
1115 | signalOld[iPad] += padSignal[iPad] | |
1116 | * timeResponse; | |
1117 | } | |
f881dc35 | 1118 | |
b65e5048 | 1119 | signals->SetData(rowE,colPos,iTimeBin,signalOld[iPad]); |
625f5260 | 1120 | |
1121 | // Store the track index in the dictionary | |
1122 | // Note: We store index+1 in order to allow the array to be compressed | |
b65e5048 | 1123 | // Note2: Taking out the +1 in track |
625f5260 | 1124 | if (signalOld[iPad] > 0.0) { |
1125 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 1126 | Int_t oldTrack = dictionary[dict]->GetData(rowE,colPos,iTimeBin); |
1127 | if (oldTrack == track) break; | |
1128 | if (oldTrack == -1 ) { | |
1129 | dictionary[dict]->SetData(rowE,colPos,iTimeBin,track); | |
1130 | break; | |
1131 | } | |
f881dc35 | 1132 | } |
625f5260 | 1133 | } |
872a7aba | 1134 | |
625f5260 | 1135 | } // Loop: pads |
f7336fa3 | 1136 | |
625f5260 | 1137 | } // Loop: time bins |
f7336fa3 | 1138 | |
625f5260 | 1139 | } // Loop: electrons of a single hit |
f7336fa3 | 1140 | |
625f5260 | 1141 | } // Loop: hits |
f7336fa3 | 1142 | |
625f5260 | 1143 | AliDebug(2,Form("Finished analyzing %d hits",nhit)); |
e23fbb27 | 1144 | |
625f5260 | 1145 | return kTRUE; |
e23fbb27 | 1146 | |
625f5260 | 1147 | } |
793ff80c | 1148 | |
625f5260 | 1149 | //_____________________________________________________________________________ |
b65e5048 | 1150 | Bool_t AliTRDdigitizer::ConvertSignals(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1151 | { |
4329977a | 1152 | // |
625f5260 | 1153 | // Convert signals to digits |
4329977a | 1154 | // |
1155 | ||
625f5260 | 1156 | AliDebug(1,Form("Start converting the signals for detector %d",det)); |
1157 | ||
1158 | if (fSDigits) { | |
1159 | // Convert the signal array to s-digits | |
1160 | if (!Signal2SDigits(det,signals)) { | |
1161 | return kFALSE; | |
793ff80c | 1162 | } |
625f5260 | 1163 | } |
1164 | else { | |
1165 | // Convert the signal array to digits | |
1166 | if (!Signal2ADC(det,signals)) { | |
1167 | return kFALSE; | |
793ff80c | 1168 | } |
d295185b | 1169 | // Run digital processing for digits |
1170 | RunDigitalProcessing(det); | |
625f5260 | 1171 | } |
f7336fa3 | 1172 | |
625f5260 | 1173 | // Compress the arrays |
b65e5048 | 1174 | CompressOutputArrays(det); |
6244debe | 1175 | |
625f5260 | 1176 | return kTRUE; |
6244debe | 1177 | |
625f5260 | 1178 | } |
4329977a | 1179 | |
625f5260 | 1180 | //_____________________________________________________________________________ |
b65e5048 | 1181 | Bool_t AliTRDdigitizer::Signal2ADC(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1182 | { |
1183 | // | |
1184 | // Converts the sampled electron signals to ADC values for a given chamber | |
1185 | // | |
6244debe | 1186 | |
625f5260 | 1187 | AliDebug(1,Form("Start converting signals to ADC values for detector=%d",det)); |
e23fbb27 | 1188 | |
625f5260 | 1189 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1190 | if (!calibration) { | |
1191 | AliFatal("Could not get calibration object"); | |
1192 | return kFALSE; | |
1193 | } | |
793ff80c | 1194 | |
625f5260 | 1195 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
1196 | if (!simParam) { | |
1197 | AliFatal("Could not get simulation parameters"); | |
1198 | return kFALSE; | |
1199 | } | |
f7336fa3 | 1200 | |
625f5260 | 1201 | // Converts number of electrons to fC |
1202 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
0c24ba98 | 1203 | |
625f5260 | 1204 | // Coupling factor |
1205 | Double_t coupling = simParam->GetPadCoupling() | |
1206 | * simParam->GetTimeCoupling(); | |
1207 | // Electronics conversion factor | |
1208 | Double_t convert = kEl2fC | |
1209 | * simParam->GetChipGain(); | |
1210 | // ADC conversion factor | |
1211 | Double_t adcConvert = simParam->GetADCoutRange() | |
1212 | / simParam->GetADCinRange(); | |
1213 | // The electronics baseline in mV | |
1214 | Double_t baseline = simParam->GetADCbaseline() | |
1215 | / adcConvert; | |
1216 | // The electronics baseline in electrons | |
1217 | Double_t baselineEl = baseline | |
1218 | / convert; | |
1219 | ||
1220 | Int_t row = 0; | |
1221 | Int_t col = 0; | |
1222 | Int_t time = 0; | |
1223 | ||
1224 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1225 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1226 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
1227 | if (fSDigitsManager->GetDigitsParam()->GetNTimeBins(det)) { | |
1228 | nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(det); | |
1229 | } | |
1230 | else { | |
1231 | AliFatal("Could not get number of time bins"); | |
1232 | return kFALSE; | |
1233 | } | |
abaf1f1d | 1234 | |
ea3eaa08 | 1235 | // The gain factor calibration objects |
625f5260 | 1236 | const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); |
ea3eaa08 | 1237 | AliTRDCalROC *calGainFactorROC = 0x0; |
625f5260 | 1238 | Float_t calGainFactorDetValue = 0.0; |
f7336fa3 | 1239 | |
b65e5048 | 1240 | AliTRDarrayADC *digits = 0x0; |
e23fbb27 | 1241 | |
625f5260 | 1242 | if (!signals) { |
1243 | AliError(Form("Signals array for detector %d does not exist\n",det)); | |
1244 | return kFALSE; | |
1245 | } | |
1246 | if (signals->HasData()) { | |
1247 | // Expand the container if neccessary | |
b65e5048 | 1248 | signals->Expand(); |
625f5260 | 1249 | } |
1250 | else { | |
1251 | // Create missing containers | |
1252 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
f7336fa3 | 1253 | } |
1254 | ||
625f5260 | 1255 | // Get the container for the digits of this detector |
1256 | if (fDigitsManager->HasSDigits()) { | |
1257 | AliError("Digits manager has s-digits"); | |
1258 | return kFALSE; | |
1259 | } | |
b65e5048 | 1260 | |
1261 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
625f5260 | 1262 | // Allocate memory space for the digits buffer |
1263 | if (!digits->HasData()) { | |
1264 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
0c24ba98 | 1265 | } |
1266 | ||
625f5260 | 1267 | // Get the calibration objects |
1268 | calGainFactorROC = calibration->GetGainFactorROC(det); | |
1269 | calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
abaf1f1d | 1270 | |
ea3eaa08 | 1271 | // Get the online gain factors |
45b38fb0 | 1272 | //AliTRDCalOnlineGainTableROC *onlineGainFactorROC |
1273 | // = calibration->GetOnlineGainTableROC(det); | |
ea3eaa08 | 1274 | |
625f5260 | 1275 | // Create the digits for this chamber |
1276 | for (row = 0; row < nRowMax; row++ ) { | |
1277 | for (col = 0; col < nColMax; col++ ) { | |
abaf1f1d | 1278 | |
625f5260 | 1279 | // Check whether pad is masked |
1280 | // Bridged pads are not considered yet!!! | |
ea3eaa08 | 1281 | if (calibration->IsPadMasked(det,col,row) || |
1282 | calibration->IsPadNotConnected(det,col,row)) { | |
625f5260 | 1283 | continue; |
1284 | } | |
abaf1f1d | 1285 | |
625f5260 | 1286 | // The gain factors |
1287 | Float_t padgain = calGainFactorDetValue | |
1288 | * calGainFactorROC->GetValue(col,row); | |
1289 | if (padgain <= 0) { | |
1290 | AliError(Form("Not a valid gain %f, %d %d %d",padgain,det,col,row)); | |
1291 | } | |
abaf1f1d | 1292 | |
625f5260 | 1293 | for (time = 0; time < nTimeTotal; time++) { |
1294 | ||
1295 | // Get the signal amplitude | |
b65e5048 | 1296 | Float_t signalAmp = signals->GetData(row,col,time); |
625f5260 | 1297 | // Pad and time coupling |
1298 | signalAmp *= coupling; | |
1299 | // Gain factors | |
1300 | signalAmp *= padgain; | |
1301 | ||
1302 | // Add the noise, starting from minus ADC baseline in electrons | |
1303 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) | |
1304 | ,-baselineEl); | |
1305 | ||
1306 | // Convert to mV | |
1307 | signalAmp *= convert; | |
1308 | // Add ADC baseline in mV | |
1309 | signalAmp += baseline; | |
1310 | ||
1311 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
1312 | // signal is larger than fADCinRange | |
1313 | Short_t adc = 0; | |
1314 | if (signalAmp >= simParam->GetADCinRange()) { | |
1315 | adc = ((Short_t) simParam->GetADCoutRange()); | |
1316 | } | |
1317 | else { | |
1318 | adc = TMath::Nint(signalAmp * adcConvert); | |
1319 | } | |
abaf1f1d | 1320 | |
b65e5048 | 1321 | // Saving all digits |
1322 | digits->SetData(row,col,time,adc); | |
abaf1f1d | 1323 | |
625f5260 | 1324 | } // for: time |
b65e5048 | 1325 | |
625f5260 | 1326 | } // for: col |
1327 | } // for: row | |
b1113c6b | 1328 | |
625f5260 | 1329 | return kTRUE; |
b1113c6b | 1330 | |
1331 | } | |
1332 | ||
abaf1f1d | 1333 | //_____________________________________________________________________________ |
b65e5048 | 1334 | Bool_t AliTRDdigitizer::Signal2SDigits(Int_t det, AliTRDarraySignal *signals) |
abaf1f1d | 1335 | { |
1336 | // | |
625f5260 | 1337 | // Converts the sampled electron signals to s-digits |
abaf1f1d | 1338 | // |
1339 | ||
625f5260 | 1340 | AliDebug(1,Form("Start converting signals to s-digits for detector=%d",det)); |
abaf1f1d | 1341 | |
4329977a | 1342 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1343 | if (!calibration) { |
4329977a | 1344 | AliFatal("Could not get calibration object"); |
3551db50 | 1345 | return kFALSE; |
1346 | } | |
6bf5f0ce | 1347 | |
625f5260 | 1348 | Int_t row = 0; |
1349 | Int_t col = 0; | |
1350 | Int_t time = 0; | |
9afbd7de | 1351 | |
625f5260 | 1352 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); |
1353 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1354 | Int_t nTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
e23fbb27 | 1355 | |
625f5260 | 1356 | // Get the container for the digits of this detector |
1357 | if (!fDigitsManager->HasSDigits()) { | |
1358 | AliError("Digits manager has no s-digits"); | |
1359 | return kFALSE; | |
1360 | } | |
b65e5048 | 1361 | |
1362 | AliTRDarraySignal *digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
625f5260 | 1363 | // Allocate memory space for the digits buffer |
1364 | if (!digits->HasData()) { | |
1365 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1366 | } | |
e23fbb27 | 1367 | |
625f5260 | 1368 | // Create the sdigits for this chamber |
1369 | for (row = 0; row < nRowMax; row++ ) { | |
1370 | for (col = 0; col < nColMax; col++ ) { | |
1371 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1372 | digits->SetData(row,col,time,signals->GetData(row,col,time)); |
625f5260 | 1373 | } // for: time |
1374 | } // for: col | |
1375 | } // for: row | |
b65e5048 | 1376 | |
625f5260 | 1377 | return kTRUE; |
abaf1f1d | 1378 | |
625f5260 | 1379 | } |
abaf1f1d | 1380 | |
e7539003 | 1381 | //_____________________________________________________________________________ |
621310dd | 1382 | Bool_t AliTRDdigitizer::Digits2SDigits(AliTRDdigitsManager * const manDig |
1383 | , AliTRDdigitsManager * const manSDig) | |
e7539003 | 1384 | { |
1385 | // | |
1386 | // Converts digits into s-digits. Needed for embedding into real data. | |
1387 | // | |
1388 | ||
1389 | AliDebug(1,"Start converting digits to s-digits"); | |
1390 | ||
6b4a4228 | 1391 | if (!fGeo) { |
1392 | fGeo = new AliTRDgeometry(); | |
1393 | } | |
1394 | ||
e7539003 | 1395 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1396 | if (!calibration) { | |
1397 | AliFatal("Could not get calibration object"); | |
1398 | return kFALSE; | |
1399 | } | |
1400 | ||
1401 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); | |
1402 | if (!simParam) { | |
1403 | AliFatal("Could not get simulation parameters"); | |
1404 | return kFALSE; | |
1405 | } | |
1406 | ||
1407 | // Converts number of electrons to fC | |
1408 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
1409 | ||
1410 | // Coupling factor | |
1411 | Double_t coupling = simParam->GetPadCoupling() | |
1412 | * simParam->GetTimeCoupling(); | |
1413 | // Electronics conversion factor | |
1414 | Double_t convert = kEl2fC | |
1415 | * simParam->GetChipGain(); | |
1416 | // ADC conversion factor | |
1417 | Double_t adcConvert = simParam->GetADCoutRange() | |
1418 | / simParam->GetADCinRange(); | |
1419 | // The electronics baseline in mV | |
1420 | Double_t baseline = simParam->GetADCbaseline() | |
1421 | / adcConvert; | |
1422 | // The electronics baseline in electrons | |
6b4a4228 | 1423 | //Double_t baselineEl = baseline |
1424 | // / convert; | |
e7539003 | 1425 | |
1426 | // The gainfactor calibration objects | |
1427 | //const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1428 | //AliTRDCalROC *calGainFactorROC = 0; | |
1429 | //Float_t calGainFactorDetValue = 0.0; | |
1430 | ||
1431 | Int_t row = 0; | |
1432 | Int_t col = 0; | |
1433 | Int_t time = 0; | |
1434 | ||
1435 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1436 | ||
1437 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1438 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
a0446ff1 | 1439 | Int_t nTimeTotal = manDig->GetDigitsParam()->GetNTimeBins(det); |
e7539003 | 1440 | |
1441 | // Get the calibration objects | |
1442 | //calGainFactorROC = calibration->GetGainFactorROC(det); | |
1443 | //calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
1444 | ||
1445 | // Get the digits | |
1446 | AliTRDarrayADC *digits = (AliTRDarrayADC *) manDig->GetDigits(det); | |
1447 | ||
1448 | if (!manSDig->HasSDigits()) { | |
1449 | AliError("SDigits manager has no s-digits"); | |
1450 | return kFALSE; | |
1451 | } | |
1452 | // Get the s-digits | |
1453 | AliTRDarraySignal *sdigits = (AliTRDarraySignal *) manSDig->GetSDigits(det); | |
1454 | AliTRDarrayDictionary *tracks0 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,0); | |
1455 | AliTRDarrayDictionary *tracks1 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,1); | |
1456 | AliTRDarrayDictionary *tracks2 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,2); | |
1457 | // Allocate memory space for the digits buffer | |
1458 | sdigits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1459 | tracks0->Allocate(nRowMax,nColMax,nTimeTotal); | |
1460 | tracks1->Allocate(nRowMax,nColMax,nTimeTotal); | |
1461 | tracks2->Allocate(nRowMax,nColMax,nTimeTotal); | |
1462 | ||
5896bc23 | 1463 | // Keep the digits param |
a0446ff1 | 1464 | manSDig->GetDigitsParam()->SetNTimeBinsAll(manDig->GetDigitsParam()->GetNTimeBins(0)); |
1465 | manSDig->GetDigitsParam()->SetADCbaselineAll(manDig->GetDigitsParam()->GetADCbaseline(0)); | |
5896bc23 | 1466 | |
45d77489 | 1467 | if (digits->HasData()) { |
1468 | ||
1469 | digits->Expand(); | |
1470 | ||
1471 | // Create the sdigits for this chamber | |
1472 | for (row = 0; row < nRowMax; row++ ) { | |
1473 | for (col = 0; col < nColMax; col++ ) { | |
1474 | ||
1475 | // The gain factors | |
1476 | //Float_t padgain = calGainFactorDetValue | |
1477 | // * calGainFactorROC->GetValue(col,row); | |
1478 | ||
1479 | for (time = 0; time < nTimeTotal; time++) { | |
1480 | ||
1481 | Short_t adcVal = digits->GetData(row,col,time); | |
1482 | Double_t signal = (Double_t) adcVal; | |
1483 | // ADC -> signal in mV | |
1484 | signal /= adcConvert; | |
1485 | // Subtract baseline in mV | |
1486 | signal -= baseline; | |
1487 | // Signal in mV -> signal in #electrons | |
1488 | signal /= convert; | |
1489 | // Gain factor | |
1490 | //signal /= padgain; // Not needed for real data | |
1491 | // Pad and time coupling | |
1492 | signal /= coupling; | |
1493 | ||
1494 | sdigits->SetData(row,col,time,signal); | |
1495 | tracks0->SetData(row,col,time,0); | |
1496 | tracks1->SetData(row,col,time,0); | |
1497 | tracks2->SetData(row,col,time,0); | |
1498 | ||
1499 | } // for: time | |
1500 | ||
1501 | } // for: col | |
1502 | } // for: row | |
e7539003 | 1503 | |
45d77489 | 1504 | } // if: has data |
1505 | ||
e7539003 | 1506 | sdigits->Compress(0); |
1507 | tracks0->Compress(); | |
1508 | tracks1->Compress(); | |
1509 | tracks2->Compress(); | |
1510 | ||
45d77489 | 1511 | // No compress just remove |
1512 | manDig->RemoveDigits(det); | |
1513 | manDig->RemoveDictionaries(det); | |
1514 | ||
e7539003 | 1515 | } // for: det |
1516 | ||
1517 | return kTRUE; | |
1518 | ||
1519 | } | |
1520 | ||
625f5260 | 1521 | //_____________________________________________________________________________ |
1522 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1523 | { | |
1524 | // | |
1525 | // Merges the input s-digits and converts them to normal digits | |
1526 | // | |
e23fbb27 | 1527 | |
625f5260 | 1528 | if (!MergeSDigits()) { |
1529 | return kFALSE; | |
1530 | } | |
f7336fa3 | 1531 | |
625f5260 | 1532 | return ConvertSDigits(); |
f7336fa3 | 1533 | |
1534 | } | |
1535 | ||
16bf9884 | 1536 | //_____________________________________________________________________________ |
abaf1f1d | 1537 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1538 | { |
1539 | // | |
abaf1f1d | 1540 | // Merges the input s-digits: |
1541 | // - The amplitude of the different inputs are summed up. | |
1542 | // - Of the track IDs from the input dictionaries only one is | |
1543 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1544 | // |
1545 | ||
abaf1f1d | 1546 | // Number of track dictionary arrays |
1547 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1548 | ||
4d18a639 | 1549 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 1550 | if (!simParam) { |
4329977a | 1551 | AliFatal("Could not get simulation parameters"); |
3551db50 | 1552 | return kFALSE; |
1553 | } | |
1554 | ||
4d18a639 | 1555 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1556 | if (!calibration) { |
4329977a | 1557 | AliFatal("Could not get calibration object"); |
3551db50 | 1558 | return kFALSE; |
1559 | } | |
1560 | ||
abaf1f1d | 1561 | Int_t iDict = 0; |
e23fbb27 | 1562 | Int_t jDict = 0; |
abaf1f1d | 1563 | |
b65e5048 | 1564 | AliTRDarraySignal *digitsA; |
1565 | AliTRDarraySignal *digitsB; | |
1566 | AliTRDarrayDictionary *dictionaryA[kNDict]; | |
1567 | AliTRDarrayDictionary *dictionaryB[kNDict]; | |
abaf1f1d | 1568 | |
b65e5048 | 1569 | AliTRDdigitsManager *mergeSDigitsManager = 0x0; |
abaf1f1d | 1570 | // Get the first s-digits |
1571 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
9afbd7de | 1572 | if (!fSDigitsManager) { |
7925de54 | 1573 | AliError("No SDigits manager"); |
9afbd7de | 1574 | return kFALSE; |
1575 | } | |
abaf1f1d | 1576 | |
1577 | // Loop through the other sets of s-digits | |
b65e5048 | 1578 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(fSDigitsManager); |
abaf1f1d | 1579 | |
9afbd7de | 1580 | if (mergeSDigitsManager) { |
7925de54 | 1581 | AliDebug(1,Form("Merge %d input files.",fSDigitsManagerList->GetSize())); |
9afbd7de | 1582 | } |
1583 | else { | |
7925de54 | 1584 | AliDebug(1,"Only one input file."); |
abaf1f1d | 1585 | } |
3551db50 | 1586 | |
abaf1f1d | 1587 | Int_t iMerge = 0; |
b65e5048 | 1588 | |
abaf1f1d | 1589 | while (mergeSDigitsManager) { |
1590 | ||
1591 | iMerge++; | |
5896bc23 | 1592 | |
abaf1f1d | 1593 | // Loop through the detectors |
1594 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1595 | ||
a0446ff1 | 1596 | Int_t nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet); |
1597 | if (mergeSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet) != nTimeTotal) { | |
1598 | AliError(Form("Mismatch in the number of time bins [%d,%d] in detector %d" | |
1599 | ,nTimeTotal | |
1600 | ,mergeSDigitsManager->GetDigitsParam()->GetNTimeBins(iDet) | |
1601 | ,iDet)); | |
1602 | return kFALSE; | |
1603 | } | |
1604 | ||
625f5260 | 1605 | Int_t nRowMax = fGeo->GetPadPlane(iDet)->GetNrows(); |
1606 | Int_t nColMax = fGeo->GetPadPlane(iDet)->GetNcols(); | |
b65e5048 | 1607 | |
abaf1f1d | 1608 | // Loop through the pixels of one detector and add the signals |
b65e5048 | 1609 | digitsA = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(iDet); |
1610 | digitsB = (AliTRDarraySignal *) mergeSDigitsManager->GetSDigits(iDet); | |
1611 | digitsA->Expand(); | |
1612 | if (!digitsA->HasData()) continue; | |
1613 | digitsB->Expand(); | |
1614 | if (!digitsB->HasData()) continue; | |
1615 | ||
abaf1f1d | 1616 | for (iDict = 0; iDict < kNDict; iDict++) { |
b65e5048 | 1617 | dictionaryA[iDict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(iDet,iDict); |
1618 | dictionaryB[iDict] = (AliTRDarrayDictionary *) mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1619 | dictionaryA[iDict]->Expand(); | |
abaf1f1d | 1620 | dictionaryB[iDict]->Expand(); |
1621 | } | |
1622 | ||
4487dad0 | 1623 | // Merge only detectors that contain a signal |
1624 | Bool_t doMerge = kTRUE; | |
1625 | if (fMergeSignalOnly) { | |
b65e5048 | 1626 | if (digitsA->GetOverThreshold(0) == 0) { |
1627 | doMerge = kFALSE; | |
4487dad0 | 1628 | } |
abaf1f1d | 1629 | } |
b65e5048 | 1630 | |
4487dad0 | 1631 | if (doMerge) { |
b65e5048 | 1632 | |
1633 | AliDebug(1,Form("Merge detector %d of input no.%d",iDet,iMerge+1)); | |
1634 | ||
1635 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { | |
1636 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1637 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1638 | ||
4487dad0 | 1639 | // Add the amplitudes of the summable digits |
b65e5048 | 1640 | Float_t ampA = digitsA->GetData(iRow,iCol,iTime); |
1641 | Float_t ampB = digitsB->GetData(iRow,iCol,iTime); | |
1642 | ampA += ampB; | |
1643 | digitsA->SetData(iRow,iCol,iTime,ampA); | |
1644 | ||
1645 | // Add the mask to the track id if defined. | |
1646 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1647 | Int_t trackB = dictionaryB[iDict]->GetData(iRow,iCol,iTime); | |
1648 | if ((fMasks) && (trackB > 0)) { | |
1649 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1650 | Int_t trackA = dictionaryA[iDict]->GetData(iRow,iCol,iTime); | |
1651 | if (trackA == 0) { | |
1652 | trackA = trackB + fMasks[iMerge]; | |
1653 | dictionaryA[iDict]->SetData(iRow,iCol,iTime,trackA); | |
625f5260 | 1654 | } // if: track A == 0 |
b65e5048 | 1655 | } // for: jDict |
1656 | } // if: fMasks and trackB > 0 | |
625f5260 | 1657 | } // for: iDict |
abaf1f1d | 1658 | |
625f5260 | 1659 | } // for: iTime |
1660 | } // for: iCol | |
1661 | } // for: iRow | |
4487dad0 | 1662 | |
625f5260 | 1663 | } // if: doMerge |
1664 | ||
1665 | mergeSDigitsManager->RemoveDigits(iDet); | |
1666 | mergeSDigitsManager->RemoveDictionaries(iDet); | |
b65e5048 | 1667 | |
abaf1f1d | 1668 | if (fCompress) { |
b65e5048 | 1669 | digitsA->Compress(0); |
1670 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1671 | dictionaryA[iDict]->Compress(); | |
abaf1f1d | 1672 | } |
1673 | } | |
b65e5048 | 1674 | |
625f5260 | 1675 | } // for: detectors |
b65e5048 | 1676 | |
abaf1f1d | 1677 | // The next set of s-digits |
b65e5048 | 1678 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(mergeSDigitsManager); |
1679 | ||
625f5260 | 1680 | } // while: mergeDigitsManagers |
b65e5048 | 1681 | |
625f5260 | 1682 | return kTRUE; |
1683 | ||
1684 | } | |
1685 | ||
1686 | //_____________________________________________________________________________ | |
1687 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1688 | { | |
1689 | // | |
1690 | // Converts s-digits to normal digits | |
1691 | // | |
1692 | ||
b65e5048 | 1693 | AliTRDarraySignal *digitsIn = 0x0; |
625f5260 | 1694 | |
1695 | if (!fSDigitsManager->HasSDigits()) { | |
1696 | AliError("No s-digits in digits manager"); | |
1697 | return kFALSE; | |
abaf1f1d | 1698 | } |
1699 | ||
625f5260 | 1700 | // Loop through the detectors |
1701 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1702 | ||
1703 | // Get the merged s-digits (signals) | |
b65e5048 | 1704 | digitsIn = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(det); |
625f5260 | 1705 | if (!digitsIn->HasData()) { |
1706 | AliDebug(2,Form("No digits for det=%d",det)); | |
1707 | continue; | |
1708 | } | |
b0a41e80 | 1709 | |
625f5260 | 1710 | // Convert the merged sdigits to digits |
1711 | if (!Signal2ADC(det,digitsIn)) { | |
1712 | continue; | |
1713 | } | |
1714 | ||
1715 | // Copy the dictionary information to the output array | |
1716 | if (!CopyDictionary(det)) { | |
1717 | continue; | |
1718 | } | |
1719 | ||
1720 | // Delete | |
1721 | fSDigitsManager->RemoveDigits(det); | |
1722 | fSDigitsManager->RemoveDictionaries(det); | |
1723 | ||
d295185b | 1724 | // Run digital processing |
1725 | RunDigitalProcessing(det); | |
1726 | ||
625f5260 | 1727 | // Compress the arrays |
1728 | CompressOutputArrays(det); | |
1729 | ||
1730 | } // for: detector numbers | |
1731 | ||
ff8935b1 | 1732 | if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) { |
1733 | if (trklLoader->Tree()) | |
1734 | trklLoader->WriteData("OVERWRITE"); | |
1735 | } | |
1736 | ||
5896bc23 | 1737 | // Save the values for the raw data headers |
876a928e | 1738 | if (AliTRDSimParam::Instance()->GetNTBoverwriteOCDB()) { |
1739 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDSimParam::Instance()->GetNTimeBins()); | |
1740 | } | |
1741 | else { | |
1742 | fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(AliTRDcalibDB::Instance()->GetNumberOfTimeBinsDCS()); | |
1743 | } | |
a0446ff1 | 1744 | fDigitsManager->GetDigitsParam()->SetADCbaselineAll(AliTRDSimParam::Instance()->GetADCbaseline()); |
b0a41e80 | 1745 | |
16bf9884 | 1746 | return kTRUE; |
1747 | ||
1748 | } | |
1749 | ||
abaf1f1d | 1750 | //_____________________________________________________________________________ |
625f5260 | 1751 | Bool_t AliTRDdigitizer::CopyDictionary(Int_t det) |
abaf1f1d | 1752 | { |
1753 | // | |
625f5260 | 1754 | // Copies the dictionary information from the s-digits arrays |
1755 | // to the output arrays | |
abaf1f1d | 1756 | // |
1757 | ||
625f5260 | 1758 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1759 | if (!calibration) { | |
1760 | AliFatal("Could not get calibration object"); | |
4d18a639 | 1761 | return kFALSE; |
1762 | } | |
abaf1f1d | 1763 | |
625f5260 | 1764 | AliDebug(1,Form("Start copying dictionaries for detector=%d",det)); |
1765 | ||
1766 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1767 | AliTRDarrayDictionary *dictionaryIn[kNDict]; |
1768 | AliTRDarrayDictionary *dictionaryOut[kNDict]; | |
625f5260 | 1769 | |
1770 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1771 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
876a928e | 1772 | Int_t nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(det); |
625f5260 | 1773 | |
1774 | Int_t row = 0; | |
1775 | Int_t col = 0; | |
1776 | Int_t time = 0; | |
1777 | Int_t dict = 0; | |
1778 | ||
1779 | for (dict = 0; dict < kNDict; dict++) { | |
1780 | ||
b65e5048 | 1781 | dictionaryIn[dict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(det,dict); |
625f5260 | 1782 | dictionaryIn[dict]->Expand(); |
b65e5048 | 1783 | dictionaryOut[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 1784 | dictionaryOut[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
1785 | ||
1786 | for (row = 0; row < nRowMax; row++) { | |
1787 | for (col = 0; col < nColMax; col++) { | |
1788 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1789 | Int_t track = dictionaryIn[dict]->GetData(row,col,time); |
1790 | dictionaryOut[dict]->SetData(row,col,time,track); | |
625f5260 | 1791 | } // for: time |
1792 | } // for: col | |
1793 | } // for: row | |
b65e5048 | 1794 | |
625f5260 | 1795 | } // for: dictionaries |
b65e5048 | 1796 | |
625f5260 | 1797 | return kTRUE; |
1798 | ||
1799 | } | |
1800 | ||
1801 | //_____________________________________________________________________________ | |
1802 | void AliTRDdigitizer::CompressOutputArrays(Int_t det) | |
1803 | { | |
1804 | // | |
1805 | // Compress the output arrays | |
1806 | // | |
1807 | ||
1808 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1809 | AliTRDarrayDictionary *dictionary = 0x0; |
625f5260 | 1810 | |
1811 | if (fCompress) { | |
1812 | ||
b65e5048 | 1813 | if (!fSDigits) { |
1814 | AliTRDarrayADC *digits = 0x0; | |
1815 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
1816 | digits->Compress(); | |
1817 | } | |
1818 | ||
1819 | if (fSDigits) { | |
1820 | AliTRDarraySignal *digits = 0x0; | |
1821 | digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
1822 | digits->Compress(0); | |
1823 | } | |
1824 | ||
625f5260 | 1825 | for (Int_t dict = 0; dict < kNDict; dict++) { |
b65e5048 | 1826 | dictionary = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
1827 | dictionary->Compress(); | |
625f5260 | 1828 | } |
1829 | ||
1830 | } | |
abaf1f1d | 1831 | |
1832 | } | |
1833 | ||
f7336fa3 | 1834 | //_____________________________________________________________________________ |
0a29d0f1 | 1835 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1836 | { |
1837 | // | |
1838 | // Writes out the TRD-digits and the dictionaries | |
1839 | // | |
1840 | ||
4d18a639 | 1841 | // Write parameters |
bdbb05bb | 1842 | fRunLoader->CdGAFile(); |
bdbb05bb | 1843 | |
da581aea | 1844 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1845 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1846 | |
1847 | } | |
793ff80c | 1848 | |
8e64dd77 | 1849 | //_____________________________________________________________________________ |
88cb7938 | 1850 | void AliTRDdigitizer::InitOutput(Int_t iEvent) |
8e64dd77 | 1851 | { |
1852 | // | |
1853 | // Initializes the output branches | |
1854 | // | |
1855 | ||
1856 | fEvent = iEvent; | |
88cb7938 | 1857 | |
9afbd7de | 1858 | if (!fRunLoader) { |
1859 | AliError("Run Loader is NULL"); | |
1860 | return; | |
1861 | } | |
1862 | ||
4329977a | 1863 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 1864 | if (!loader) { |
1865 | AliError("Can not get TRD loader from Run Loader"); | |
1866 | return; | |
1867 | } | |
88cb7938 | 1868 | |
4d18a639 | 1869 | TTree *tree = 0; |
88cb7938 | 1870 | |
9afbd7de | 1871 | if (fSDigits) { |
1872 | // If we produce SDigits | |
88cb7938 | 1873 | tree = loader->TreeS(); |
9afbd7de | 1874 | if (!tree) { |
88cb7938 | 1875 | loader->MakeTree("S"); |
1876 | tree = loader->TreeS(); | |
9afbd7de | 1877 | } |
1878 | } | |
1879 | else { | |
1880 | // If we produce Digits | |
1881 | tree = loader->TreeD(); | |
1882 | if (!tree) { | |
1883 | loader->MakeTree("D"); | |
1884 | tree = loader->TreeD(); | |
1885 | } | |
1886 | } | |
88cb7938 | 1887 | fDigitsManager->SetEvent(iEvent); |
1888 | fDigitsManager->MakeBranch(tree); | |
8e64dd77 | 1889 | |
1890 | } | |
3551db50 | 1891 | |
3551db50 | 1892 | //_____________________________________________________________________________ |
a076fc2f | 1893 | Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t absdriftlength |
9b1d8507 | 1894 | , Double_t exbvalue |
a076fc2f | 1895 | , Double_t &lRow, Double_t &lCol, Double_t &lTime) |
3551db50 | 1896 | { |
1897 | // | |
a076fc2f | 1898 | // Applies the diffusion smearing to the position of a single electron. |
1899 | // Depends on absolute drift length. | |
3551db50 | 1900 | // |
1901 | ||
a076fc2f | 1902 | Float_t diffL = 0.0; |
1903 | Float_t diffT = 0.0; | |
4d18a639 | 1904 | |
a076fc2f | 1905 | if (AliTRDCommonParam::Instance()->GetDiffCoeff(diffL,diffT,vdrift)) { |
3551db50 | 1906 | |
a076fc2f | 1907 | Float_t driftSqrt = TMath::Sqrt(absdriftlength); |
1908 | Float_t sigmaT = driftSqrt * diffT; | |
1909 | Float_t sigmaL = driftSqrt * diffL; | |
1910 | lRow = gRandom->Gaus(lRow ,sigmaT); | |
9b1d8507 | 1911 | if (AliTRDCommonParam::Instance()->ExBOn()) { |
1912 | lCol = gRandom->Gaus(lCol ,sigmaT * 1.0 / (1.0 + exbvalue*exbvalue)); | |
1913 | lTime = gRandom->Gaus(lTime,sigmaL * 1.0 / (1.0 + exbvalue*exbvalue)); | |
1914 | } | |
1915 | else { | |
1916 | lCol = gRandom->Gaus(lCol ,sigmaT); | |
1917 | lTime = gRandom->Gaus(lTime,sigmaL); | |
1918 | } | |
4d18a639 | 1919 | |
a076fc2f | 1920 | return 1; |
7754cd1f | 1921 | |
3551db50 | 1922 | } |
a076fc2f | 1923 | else { |
3551db50 | 1924 | |
a076fc2f | 1925 | return 0; |
1b95a37b | 1926 | |
3551db50 | 1927 | } |
9afbd7de | 1928 | |
3551db50 | 1929 | } |
3551db50 | 1930 | |
b65e5048 | 1931 | //_____________________________________________________________________________ |
d295185b | 1932 | void AliTRDdigitizer::RunDigitalProcessing(Int_t det) |
b65e5048 | 1933 | { |
1934 | // | |
b0a41e80 | 1935 | // Run the digital processing in the TRAP |
b65e5048 | 1936 | // |
1937 | ||
b0a41e80 | 1938 | AliTRDfeeParam *feeParam = AliTRDfeeParam::Instance(); |
b65e5048 | 1939 | |
d295185b | 1940 | AliTRDarrayADC *digits = fDigitsManager->GetDigits(det); |
1941 | if (!digits) | |
1942 | return; | |
1943 | ||
b65e5048 | 1944 | //Call the methods in the mcm class using the temporary array as input |
64e3d742 | 1945 | for(Int_t rob = 0; rob < digits->GetNrow() / 2; rob++) |
b0a41e80 | 1946 | { |
1947 | for(Int_t mcm = 0; mcm < 16; mcm++) | |
b65e5048 | 1948 | { |
50002f37 | 1949 | fMcmSim->Init(det, rob, mcm); |
1950 | fMcmSim->SetDataByPad(digits, fDigitsManager); | |
1951 | fMcmSim->Filter(); | |
c8b1590d | 1952 | if (feeParam->GetTracklet()) { |
50002f37 | 1953 | fMcmSim->Tracklet(); |
1954 | fMcmSim->StoreTracklets(); | |
c8b1590d | 1955 | } |
50002f37 | 1956 | fMcmSim->ZSMapping(); |
1957 | fMcmSim->WriteData(digits); | |
b65e5048 | 1958 | } |
b0a41e80 | 1959 | } |
876a928e | 1960 | |
b65e5048 | 1961 | } |
980493fb | 1962 |