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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" |
4329977a | 69 | #include "Cal/AliTRDCalROC.h" |
70 | #include "Cal/AliTRDCalDet.h" | |
71 | ||
f7336fa3 | 72 | ClassImp(AliTRDdigitizer) |
73 | ||
74 | //_____________________________________________________________________________ | |
85cbec76 | 75 | AliTRDdigitizer::AliTRDdigitizer() |
4d18a639 | 76 | :AliDigitizer() |
77 | ,fRunLoader(0) | |
78 | ,fDigitsManager(0) | |
79 | ,fSDigitsManager(0) | |
80 | ,fSDigitsManagerList(0) | |
81 | ,fTRD(0) | |
82 | ,fGeo(0) | |
83 | ,fEvent(0) | |
84 | ,fMasks(0) | |
85 | ,fCompress(kTRUE) | |
86 | ,fSDigits(kFALSE) | |
4d18a639 | 87 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 88 | { |
89 | // | |
90 | // AliTRDdigitizer default constructor | |
91 | // | |
3551db50 | 92 | |
93 | Init(); | |
3becff3c | 94 | |
f7336fa3 | 95 | } |
96 | ||
97 | //_____________________________________________________________________________ | |
4d18a639 | 98 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) |
99 | :AliDigitizer(name,title) | |
100 | ,fRunLoader(0) | |
101 | ,fDigitsManager(0) | |
102 | ,fSDigitsManager(0) | |
103 | ,fSDigitsManagerList(0) | |
104 | ,fTRD(0) | |
105 | ,fGeo(0) | |
106 | ,fEvent(0) | |
107 | ,fMasks(0) | |
108 | ,fCompress(kTRUE) | |
109 | ,fSDigits(kFALSE) | |
4d18a639 | 110 | ,fMergeSignalOnly(kFALSE) |
f7336fa3 | 111 | { |
112 | // | |
85cbec76 | 113 | // AliTRDdigitizer constructor |
114 | // | |
115 | ||
3551db50 | 116 | Init(); |
3becff3c | 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) | |
130 | ,fEvent(0) | |
131 | ,fMasks(0) | |
132 | ,fCompress(kTRUE) | |
133 | ,fSDigits(kFALSE) | |
4d18a639 | 134 | ,fMergeSignalOnly(kFALSE) |
85cbec76 | 135 | { |
136 | // | |
137 | // AliTRDdigitizer constructor | |
f7336fa3 | 138 | // |
139 | ||
3551db50 | 140 | Init(); |
3becff3c | 141 | |
bfc40adc | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) | |
4d18a639 | 146 | :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") |
147 | ,fRunLoader(0) | |
148 | ,fDigitsManager(0) | |
149 | ,fSDigitsManager(0) | |
150 | ,fSDigitsManagerList(0) | |
151 | ,fTRD(0) | |
152 | ,fGeo(0) | |
153 | ,fEvent(0) | |
154 | ,fMasks(0) | |
155 | ,fCompress(kTRUE) | |
156 | ,fSDigits(kFALSE) | |
4d18a639 | 157 | ,fMergeSignalOnly(kFALSE) |
bfc40adc | 158 | { |
159 | // | |
160 | // AliTRDdigitizer constructor | |
161 | // | |
162 | ||
3551db50 | 163 | Init(); |
3becff3c | 164 | |
3551db50 | 165 | } |
88cb7938 | 166 | |
3551db50 | 167 | //_____________________________________________________________________________ |
168 | Bool_t AliTRDdigitizer::Init() | |
169 | { | |
3becff3c | 170 | // |
171 | // Initialize the digitizer with default values | |
172 | // | |
173 | ||
85a5290f | 174 | fRunLoader = 0; |
4487dad0 | 175 | fDigitsManager = 0; |
4487dad0 | 176 | fSDigitsManager = 0; |
85a5290f | 177 | fSDigitsManagerList = 0; |
4487dad0 | 178 | fTRD = 0; |
179 | fGeo = 0; | |
3becff3c | 180 | |
abaf1f1d | 181 | fEvent = 0; |
85a5290f | 182 | fMasks = 0; |
abaf1f1d | 183 | fCompress = kTRUE; |
abaf1f1d | 184 | fSDigits = kFALSE; |
4487dad0 | 185 | fMergeSignalOnly = kFALSE; |
3551db50 | 186 | |
3551db50 | 187 | return AliDigitizer::Init(); |
3becff3c | 188 | |
f7336fa3 | 189 | } |
190 | ||
8230f242 | 191 | //_____________________________________________________________________________ |
4d18a639 | 192 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) |
193 | :AliDigitizer(d) | |
194 | ,fRunLoader(0) | |
195 | ,fDigitsManager(0) | |
196 | ,fSDigitsManager(0) | |
197 | ,fSDigitsManagerList(0) | |
198 | ,fTRD(0) | |
199 | ,fGeo(0) | |
200 | ,fEvent(0) | |
201 | ,fMasks(0) | |
202 | ,fCompress(d.fCompress) | |
203 | ,fSDigits(d.fSDigits) | |
4d18a639 | 204 | ,fMergeSignalOnly(d.fMergeSignalOnly) |
8230f242 | 205 | { |
206 | // | |
207 | // AliTRDdigitizer copy constructor | |
208 | // | |
209 | ||
8230f242 | 210 | } |
211 | ||
f7336fa3 | 212 | //_____________________________________________________________________________ |
213 | AliTRDdigitizer::~AliTRDdigitizer() | |
214 | { | |
8230f242 | 215 | // |
216 | // AliTRDdigitizer destructor | |
217 | // | |
f7336fa3 | 218 | |
abaf1f1d | 219 | if (fDigitsManager) { |
220 | delete fDigitsManager; | |
4d18a639 | 221 | fDigitsManager = 0; |
f7336fa3 | 222 | } |
223 | ||
b65e5048 | 224 | if (fDigitsManager) { //typo? fSDigitsManager? |
4d18a639 | 225 | delete fSDigitsManager; |
226 | fSDigitsManager = 0; | |
227 | } | |
f7336fa3 | 228 | |
abaf1f1d | 229 | if (fSDigitsManagerList) { |
47b5729a | 230 | fSDigitsManagerList->Delete(); |
abaf1f1d | 231 | delete fSDigitsManagerList; |
4487dad0 | 232 | fSDigitsManagerList = 0; |
e23fbb27 | 233 | } |
234 | ||
235 | if (fMasks) { | |
236 | delete [] fMasks; | |
4329977a | 237 | fMasks = 0; |
e23fbb27 | 238 | } |
239 | ||
f162af62 | 240 | if (fGeo) { |
241 | delete fGeo; | |
242 | fGeo = 0; | |
243 | } | |
244 | ||
f7336fa3 | 245 | } |
246 | ||
8230f242 | 247 | //_____________________________________________________________________________ |
dd9a6ee3 | 248 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
249 | { | |
250 | // | |
251 | // Assignment operator | |
252 | // | |
253 | ||
625f5260 | 254 | if (this != &d) { |
255 | ((AliTRDdigitizer &) d).Copy(*this); | |
256 | } | |
4d18a639 | 257 | |
dd9a6ee3 | 258 | return *this; |
259 | ||
260 | } | |
261 | ||
262 | //_____________________________________________________________________________ | |
e0d47c25 | 263 | void AliTRDdigitizer::Copy(TObject &d) const |
8230f242 | 264 | { |
265 | // | |
266 | // Copy function | |
267 | // | |
268 | ||
85a5290f | 269 | ((AliTRDdigitizer &) d).fRunLoader = 0; |
4487dad0 | 270 | ((AliTRDdigitizer &) d).fDigitsManager = 0; |
85a5290f | 271 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; |
272 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
4487dad0 | 273 | ((AliTRDdigitizer &) d).fTRD = 0; |
274 | ((AliTRDdigitizer &) d).fGeo = 0; | |
85a5290f | 275 | ((AliTRDdigitizer &) d).fEvent = 0; |
276 | ((AliTRDdigitizer &) d).fMasks = 0; | |
abaf1f1d | 277 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
abaf1f1d | 278 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
4487dad0 | 279 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
3becff3c | 280 | |
e23fbb27 | 281 | } |
282 | ||
e23fbb27 | 283 | //_____________________________________________________________________________ |
621310dd | 284 | void AliTRDdigitizer::Exec(const Option_t * const option) |
e23fbb27 | 285 | { |
286 | // | |
287 | // Executes the merging | |
288 | // | |
289 | ||
290 | Int_t iInput; | |
291 | ||
292 | AliTRDdigitsManager *sdigitsManager; | |
293 | ||
294 | TString optionString = option; | |
295 | if (optionString.Contains("deb")) { | |
9afbd7de | 296 | AliLog::SetClassDebugLevel("AliTRDdigitizer",1); |
7925de54 | 297 | AliInfo("Called with debug option"); |
e23fbb27 | 298 | } |
299 | ||
cec4059b | 300 | // The AliRoot file is already connected by the manager |
625f5260 | 301 | AliRunLoader *inrl = 0x0; |
88cb7938 | 302 | |
9afbd7de | 303 | if (gAlice) { |
7925de54 | 304 | AliDebug(1,"AliRun object found on file."); |
9afbd7de | 305 | } |
4487dad0 | 306 | else { |
88cb7938 | 307 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
308 | inrl->LoadgAlice(); | |
309 | gAlice = inrl->GetAliRun(); | |
9afbd7de | 310 | if (!gAlice) { |
7925de54 | 311 | AliError("Could not find AliRun object.") |
9afbd7de | 312 | return; |
313 | } | |
4487dad0 | 314 | } |
cec4059b | 315 | |
e23fbb27 | 316 | Int_t nInput = fManager->GetNinputs(); |
4d18a639 | 317 | fMasks = new Int_t[nInput]; |
e23fbb27 | 318 | for (iInput = 0; iInput < nInput; iInput++) { |
319 | fMasks[iInput] = fManager->GetMask(iInput); | |
320 | } | |
e23fbb27 | 321 | |
9afbd7de | 322 | // |
e23fbb27 | 323 | // Initialization |
9afbd7de | 324 | // |
e23fbb27 | 325 | |
95867fd1 | 326 | AliRunLoader *orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); |
327 | ||
67c67368 | 328 | if (InitDetector()) { |
9afbd7de | 329 | |
95867fd1 | 330 | AliLoader *ogime = orl->GetLoader("TRDLoader"); |
67c67368 | 331 | |
95867fd1 | 332 | TTree *tree = 0; |
9afbd7de | 333 | if (fSDigits) { |
334 | // If we produce SDigits | |
335 | tree = ogime->TreeS(); | |
336 | if (!tree) { | |
337 | ogime->MakeTree("S"); | |
67c67368 | 338 | tree = ogime->TreeS(); |
67c67368 | 339 | } |
9afbd7de | 340 | } |
341 | else { | |
342 | // If we produce Digits | |
343 | tree = ogime->TreeD(); | |
344 | if (!tree) { | |
345 | ogime->MakeTree("D"); | |
346 | tree = ogime->TreeD(); | |
67c67368 | 347 | } |
9afbd7de | 348 | } |
349 | ||
67c67368 | 350 | MakeBranch(tree); |
9afbd7de | 351 | |
67c67368 | 352 | } |
353 | ||
e23fbb27 | 354 | for (iInput = 0; iInput < nInput; iInput++) { |
355 | ||
7925de54 | 356 | AliDebug(1,Form("Add input stream %d",iInput)); |
e23fbb27 | 357 | |
9afbd7de | 358 | // Check if the input tree exists |
88cb7938 | 359 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
4d18a639 | 360 | AliLoader *gime = inrl->GetLoader("TRDLoader"); |
88cb7938 | 361 | |
4d18a639 | 362 | TTree *treees = gime->TreeS(); |
9afbd7de | 363 | if (treees == 0x0) { |
364 | if (gime->LoadSDigits()) { | |
365 | AliError(Form("Error Occured while loading S. Digits for input %d.",iInput)); | |
366 | return; | |
367 | } | |
4d18a639 | 368 | treees = gime->TreeS(); |
9afbd7de | 369 | } |
88cb7938 | 370 | |
371 | if (treees == 0x0) { | |
7925de54 | 372 | AliError(Form("Input stream %d does not exist",iInput)); |
c57e2264 | 373 | return; |
374 | } | |
375 | ||
e23fbb27 | 376 | // Read the s-digits via digits manager |
377 | sdigitsManager = new AliTRDdigitsManager(); | |
e23fbb27 | 378 | sdigitsManager->SetSDigits(kTRUE); |
88cb7938 | 379 | |
4d18a639 | 380 | AliRunLoader *rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
381 | AliLoader *gimme = rl->GetLoader("TRDLoader"); | |
b65e5048 | 382 | if (!gimme->TreeS()) |
383 | { | |
384 | gimme->LoadSDigits(); | |
385 | } | |
e23fbb27 | 386 | |
b65e5048 | 387 | sdigitsManager->ReadDigits(gimme->TreeS()); |
388 | ||
e23fbb27 | 389 | // Add the s-digits to the input list |
390 | AddSDigitsManager(sdigitsManager); | |
391 | ||
392 | } | |
393 | ||
394 | // Convert the s-digits to normal digits | |
7925de54 | 395 | AliDebug(1,"Do the conversion"); |
e23fbb27 | 396 | SDigits2Digits(); |
397 | ||
398 | // Store the digits | |
7925de54 | 399 | AliDebug(1,"Write the digits"); |
e23fbb27 | 400 | fDigitsManager->WriteDigits(); |
88cb7938 | 401 | |
9afbd7de | 402 | // Write parameters |
67c67368 | 403 | orl->CdGAFile(); |
67c67368 | 404 | |
26d3c914 | 405 | // Clean up |
b1113c6b | 406 | DeleteSDigitsManager(); |
407 | ||
26d3c914 | 408 | AliDebug(1,"Done"); |
409 | ||
e23fbb27 | 410 | } |
411 | ||
f7336fa3 | 412 | //_____________________________________________________________________________ |
e23fbb27 | 413 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 414 | { |
415 | // | |
416 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
417 | // | |
f7336fa3 | 418 | // Connect the AliRoot file containing Geometry, Kine, and Hits |
3becff3c | 419 | // |
f540341d | 420 | |
e191bb57 | 421 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
9afbd7de | 422 | |
f540341d | 423 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
9afbd7de | 424 | if (!fRunLoader) { |
425 | fRunLoader = AliRunLoader::Open(file,evfoldname,"UPDATE"); | |
426 | } | |
9afbd7de | 427 | if (!fRunLoader) { |
95867fd1 | 428 | AliError(Form("Can not open session for file %s.",file)); |
429 | return kFALSE; | |
430 | } | |
431 | ||
432 | if (!fRunLoader->GetAliRun()) { | |
433 | fRunLoader->LoadgAlice(); | |
434 | } | |
435 | gAlice = fRunLoader->GetAliRun(); | |
436 | ||
437 | if (gAlice) { | |
7925de54 | 438 | AliDebug(1,"AliRun object found on file."); |
95867fd1 | 439 | } |
440 | else { | |
7925de54 | 441 | AliError("Could not find AliRun object."); |
95867fd1 | 442 | return kFALSE; |
443 | } | |
444 | ||
445 | fEvent = nEvent; | |
446 | ||
447 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
448 | if (!loader) { | |
449 | AliError("Can not get TRD loader from Run Loader"); | |
450 | return kFALSE; | |
451 | } | |
452 | ||
453 | if (InitDetector()) { | |
454 | TTree *tree = 0; | |
455 | if (fSDigits) { | |
456 | // If we produce SDigits | |
457 | tree = loader->TreeS(); | |
458 | if (!tree) { | |
459 | loader->MakeTree("S"); | |
460 | tree = loader->TreeS(); | |
461 | } | |
462 | } | |
463 | else { | |
464 | // If we produce Digits | |
465 | tree = loader->TreeD(); | |
466 | if (!tree) { | |
467 | loader->MakeTree("D"); | |
468 | tree = loader->TreeD(); | |
469 | } | |
470 | } | |
471 | return MakeBranch(tree); | |
472 | } | |
473 | else { | |
474 | return kFALSE; | |
475 | } | |
476 | ||
477 | } | |
478 | ||
479 | //_____________________________________________________________________________ | |
621310dd | 480 | Bool_t AliTRDdigitizer::Open(AliRunLoader * const runLoader, Int_t nEvent) |
95867fd1 | 481 | { |
482 | // | |
483 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
484 | // | |
485 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
486 | // | |
487 | ||
488 | fRunLoader = runLoader; | |
489 | if (!fRunLoader) { | |
490 | AliError("RunLoader does not exist"); | |
491 | return kFALSE; | |
4d18a639 | 492 | } |
88cb7938 | 493 | |
9afbd7de | 494 | if (!fRunLoader->GetAliRun()) { |
495 | fRunLoader->LoadgAlice(); | |
496 | } | |
88cb7938 | 497 | gAlice = fRunLoader->GetAliRun(); |
498 | ||
da581aea | 499 | if (gAlice) { |
7925de54 | 500 | AliDebug(1,"AliRun object found on file."); |
da581aea | 501 | } |
502 | else { | |
7925de54 | 503 | AliError("Could not find AliRun object."); |
da581aea | 504 | return kFALSE; |
505 | } | |
f7336fa3 | 506 | |
507 | fEvent = nEvent; | |
508 | ||
4d18a639 | 509 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 510 | if (!loader) { |
511 | AliError("Can not get TRD loader from Run Loader"); | |
512 | return kFALSE; | |
513 | } | |
88cb7938 | 514 | |
abaf1f1d | 515 | if (InitDetector()) { |
4d18a639 | 516 | TTree *tree = 0; |
9afbd7de | 517 | if (fSDigits) { |
518 | // If we produce SDigits | |
519 | tree = loader->TreeS(); | |
520 | if (!tree) { | |
521 | loader->MakeTree("S"); | |
522 | tree = loader->TreeS(); | |
4d18a639 | 523 | } |
9afbd7de | 524 | } |
525 | else { | |
526 | // If we produce Digits | |
95867fd1 | 527 | tree = loader->TreeD(); |
9afbd7de | 528 | if (!tree) { |
529 | loader->MakeTree("D"); | |
530 | tree = loader->TreeD(); | |
4d18a639 | 531 | } |
9afbd7de | 532 | } |
88cb7938 | 533 | return MakeBranch(tree); |
abaf1f1d | 534 | } |
535 | else { | |
536 | return kFALSE; | |
537 | } | |
793ff80c | 538 | |
539 | } | |
540 | ||
541 | //_____________________________________________________________________________ | |
542 | Bool_t AliTRDdigitizer::InitDetector() | |
543 | { | |
544 | // | |
545 | // Sets the pointer to the TRD detector and the geometry | |
546 | // | |
547 | ||
dd9a6ee3 | 548 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 549 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 550 | if (!fTRD) { |
7925de54 | 551 | AliFatal("No TRD module found"); |
cec4059b | 552 | exit(1); |
553 | } | |
dd9a6ee3 | 554 | if (fTRD->IsVersion() != 1) { |
7925de54 | 555 | AliFatal("TRD must be version 1 (slow simulator)"); |
dd9a6ee3 | 556 | exit(1); |
557 | } | |
558 | ||
559 | // Get the geometry | |
f162af62 | 560 | fGeo = new AliTRDgeometry(); |
dd9a6ee3 | 561 | |
abaf1f1d | 562 | // Create a digits manager |
625f5260 | 563 | if (fDigitsManager) { |
564 | delete fDigitsManager; | |
565 | } | |
abaf1f1d | 566 | fDigitsManager = new AliTRDdigitsManager(); |
567 | fDigitsManager->SetSDigits(fSDigits); | |
568 | fDigitsManager->CreateArrays(); | |
569 | fDigitsManager->SetEvent(fEvent); | |
abaf1f1d | 570 | |
571 | // The list for the input s-digits manager to be merged | |
47b5729a | 572 | if (fSDigitsManagerList) { |
573 | fSDigitsManagerList->Delete(); | |
3becff3c | 574 | } |
575 | else { | |
47b5729a | 576 | fSDigitsManagerList = new TList(); |
577 | } | |
abaf1f1d | 578 | |
4487dad0 | 579 | return kTRUE; |
f7336fa3 | 580 | |
581 | } | |
6244debe | 582 | //_____________________________________________________________________________ |
95867fd1 | 583 | Bool_t AliTRDdigitizer::MakeBranch(TTree *tree) const |
6244debe | 584 | { |
abaf1f1d | 585 | // |
586 | // Create the branches for the digits array | |
6244debe | 587 | // |
588 | ||
88cb7938 | 589 | return fDigitsManager->MakeBranch(tree); |
6244debe | 590 | |
591 | } | |
592 | ||
625f5260 | 593 | //_____________________________________________________________________________ |
594 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
595 | { | |
596 | // | |
597 | // Add a digits manager for s-digits to the input list. | |
598 | // | |
599 | ||
600 | fSDigitsManagerList->Add(man); | |
601 | ||
602 | } | |
603 | ||
604 | //_____________________________________________________________________________ | |
605 | void AliTRDdigitizer::DeleteSDigitsManager() | |
606 | { | |
607 | // | |
608 | // Removes digits manager from the input list. | |
609 | // | |
610 | ||
611 | fSDigitsManagerList->Delete(); | |
612 | ||
613 | } | |
614 | ||
f7336fa3 | 615 | //_____________________________________________________________________________ |
616 | Bool_t AliTRDdigitizer::MakeDigits() | |
617 | { | |
618 | // | |
872a7aba | 619 | // Creates digits. |
f7336fa3 | 620 | // |
621 | ||
625f5260 | 622 | AliDebug(1,"Start creating digits"); |
623 | ||
624 | if (!fGeo) { | |
625 | AliError("No geometry defined"); | |
626 | return kFALSE; | |
627 | } | |
f7336fa3 | 628 | |
625f5260 | 629 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
630 | if (!calibration) { | |
631 | AliFatal("Could not get calibration object"); | |
632 | return kFALSE; | |
633 | } | |
634 | ||
635 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
636 | ||
637 | Float_t **hits = new Float_t*[kNdet]; | |
638 | Int_t *nhit = new Int_t[kNdet]; | |
639 | ||
b65e5048 | 640 | AliTRDarraySignal *signals = 0x0; |
625f5260 | 641 | |
642 | // Sort all hits according to detector number | |
643 | if (!SortHits(hits,nhit)) { | |
644 | AliError("Sorting hits failed"); | |
645 | return kFALSE; | |
646 | } | |
647 | ||
648 | // Loop through all detectors | |
649 | for (Int_t det = 0; det < kNdet; det++) { | |
650 | ||
651 | // Detectors that are switched off, not installed, etc. | |
652 | if (( calibration->IsChamberInstalled(det)) && | |
b65e5048 | 653 | (!calibration->IsChamberMasked(det)) && |
625f5260 | 654 | ( fGeo->ChamberInGeometry(det)) && |
655 | (nhit[det] > 0)) { | |
656 | ||
b65e5048 | 657 | signals = new AliTRDarraySignal(); |
658 | ||
625f5260 | 659 | // Convert the hits of the current detector to detector signals |
660 | if (!ConvertHits(det,hits[det],nhit[det],signals)) { | |
b65e5048 | 661 | AliError(Form("Conversion of hits failed for detector=%d",det)); |
625f5260 | 662 | return kFALSE; |
663 | } | |
664 | // Convert the detector signals to digits or s-digits | |
665 | if (!ConvertSignals(det,signals)) { | |
b65e5048 | 666 | AliError(Form("Conversion of signals failed for detector=%d",det)); |
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 | ||
680 | delete [] hits; | |
681 | delete [] nhit; | |
682 | ||
683 | return kTRUE; | |
684 | ||
685 | } | |
686 | ||
687 | //_____________________________________________________________________________ | |
688 | Bool_t AliTRDdigitizer::SortHits(Float_t **hits, Int_t *nhit) | |
689 | { | |
690 | // | |
691 | // Read all the hits and sorts them according to detector number | |
692 | // in the output array <hits>. | |
693 | // | |
694 | ||
695 | AliDebug(1,"Start sorting hits"); | |
696 | ||
697 | const Int_t kNdet = AliTRDgeometry::Ndet(); | |
698 | // Size of the hit vector | |
699 | const Int_t kNhit = 6; | |
700 | ||
701 | Float_t *xyz = 0; | |
702 | Int_t nhitTrk = 0; | |
703 | ||
704 | Int_t *lhit = new Int_t[kNdet]; | |
705 | ||
706 | for (Int_t det = 0; det < kNdet; det++) { | |
707 | lhit[det] = 0; | |
708 | nhit[det] = 0; | |
709 | hits[det] = 0; | |
710 | } | |
711 | ||
712 | AliLoader *gimme = fRunLoader->GetLoader("TRDLoader"); | |
713 | if (!gimme->TreeH()) { | |
714 | gimme->LoadHits(); | |
715 | } | |
716 | TTree *hitTree = gimme->TreeH(); | |
717 | if (hitTree == 0x0) { | |
718 | AliError("Can not get TreeH"); | |
719 | return kFALSE; | |
720 | } | |
721 | fTRD->SetTreeAddress(); | |
722 | ||
723 | // Get the number of entries in the hit tree | |
724 | // (Number of primary particles creating a hit somewhere) | |
725 | Int_t nTrk = (Int_t) hitTree->GetEntries(); | |
726 | AliDebug(1,Form("Found %d tracks",nTrk)); | |
727 | ||
728 | // Loop through all the tracks in the tree | |
729 | for (Int_t iTrk = 0; iTrk < nTrk; iTrk++) { | |
730 | ||
3e2e3ece | 731 | gAlice->GetMCApp()->ResetHits(); |
625f5260 | 732 | hitTree->GetEvent(iTrk); |
733 | ||
734 | if (!fTRD->Hits()) { | |
735 | AliError(Form("No hits array for track = %d",iTrk)); | |
736 | continue; | |
737 | } | |
738 | ||
739 | // Number of hits for this track | |
740 | nhitTrk = fTRD->Hits()->GetEntriesFast(); | |
741 | ||
742 | Int_t hitCnt = 0; | |
743 | // Loop through the TRD hits | |
744 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
745 | while (hit) { | |
746 | ||
747 | hitCnt++; | |
748 | ||
749 | // Don't analyze test hits | |
750 | if (((Int_t) hit->GetCharge()) != 0) { | |
751 | ||
752 | Int_t trk = hit->Track(); | |
753 | Int_t det = hit->GetDetector(); | |
754 | Int_t q = hit->GetCharge(); | |
755 | Float_t x = hit->X(); | |
756 | Float_t y = hit->Y(); | |
757 | Float_t z = hit->Z(); | |
758 | Float_t time = hit->GetTime(); | |
759 | ||
760 | if (nhit[det] == lhit[det]) { | |
761 | // Inititialization of new detector | |
762 | xyz = new Float_t[kNhit*(nhitTrk+lhit[det])]; | |
763 | if (hits[det]) { | |
764 | memcpy(xyz,hits[det],sizeof(Float_t)*kNhit*lhit[det]); | |
765 | delete [] hits[det]; | |
766 | } | |
767 | lhit[det] += nhitTrk; | |
768 | hits[det] = xyz; | |
769 | } | |
770 | else { | |
771 | xyz = hits[det]; | |
772 | } | |
773 | xyz[nhit[det]*kNhit+0] = x; | |
774 | xyz[nhit[det]*kNhit+1] = y; | |
775 | xyz[nhit[det]*kNhit+2] = z; | |
776 | xyz[nhit[det]*kNhit+3] = q; | |
777 | xyz[nhit[det]*kNhit+4] = trk; | |
778 | xyz[nhit[det]*kNhit+5] = time; | |
779 | nhit[det]++; | |
780 | ||
781 | } // if: charge != 0 | |
782 | ||
783 | hit = (AliTRDhit *) fTRD->NextHit(); | |
784 | ||
785 | } // for: hits of one track | |
786 | ||
787 | } // for: tracks | |
788 | ||
789 | delete [] lhit; | |
790 | ||
791 | return kTRUE; | |
792 | ||
793 | } | |
f7336fa3 | 794 | |
625f5260 | 795 | //_____________________________________________________________________________ |
621310dd | 796 | Bool_t AliTRDdigitizer::ConvertHits(Int_t det |
797 | , const Float_t * const hits | |
798 | , Int_t nhit | |
b65e5048 | 799 | , AliTRDarraySignal *signals) |
625f5260 | 800 | { |
801 | // | |
802 | // Converts the detectorwise sorted hits to detector signals | |
803 | // | |
804 | ||
805 | AliDebug(1,Form("Start converting hits for detector=%d (nhits=%d)",det,nhit)); | |
f7336fa3 | 806 | |
793ff80c | 807 | // Number of pads included in the pad response |
a5cadd36 | 808 | const Int_t kNpad = 3; |
793ff80c | 809 | // Number of track dictionary arrays |
625f5260 | 810 | const Int_t kNdict = AliTRDdigitsManager::kNDict; |
811 | // Size of the hit vector | |
812 | const Int_t kNhit = 6; | |
793ff80c | 813 | |
4329977a | 814 | // Width of the amplification region |
815 | const Float_t kAmWidth = AliTRDgeometry::AmThick(); | |
3becff3c | 816 | // Width of the drift region |
ccb4315c | 817 | const Float_t kDrWidth = AliTRDgeometry::DrThick(); |
4329977a | 818 | // Drift + amplification region |
819 | const Float_t kDrMin = - 0.5 * kAmWidth; | |
820 | const Float_t kDrMax = kDrWidth + 0.5 * kAmWidth; | |
3551db50 | 821 | |
625f5260 | 822 | Int_t iPad = 0; |
823 | Int_t dict = 0; | |
824 | Int_t timeBinTRFend = 1; | |
872a7aba | 825 | |
a5cadd36 | 826 | Double_t pos[3]; |
4329977a | 827 | Double_t loc[3]; |
a5cadd36 | 828 | Double_t padSignal[kNpad]; |
829 | Double_t signalOld[kNpad]; | |
872a7aba | 830 | |
b65e5048 | 831 | AliTRDarrayDictionary *dictionary[kNdict]; |
4329977a | 832 | |
9afbd7de | 833 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 834 | AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); |
625f5260 | 835 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
836 | ||
3becff3c | 837 | if (!commonParam) { |
4329977a | 838 | AliFatal("Could not get common parameterss"); |
3551db50 | 839 | return kFALSE; |
840 | } | |
625f5260 | 841 | if (!simParam) { |
842 | AliFatal("Could not get simulation parameters"); | |
843 | return kFALSE; | |
844 | } | |
3becff3c | 845 | if (!calibration) { |
4329977a | 846 | AliFatal("Could not get calibration object"); |
3551db50 | 847 | return kFALSE; |
848 | } | |
849 | ||
625f5260 | 850 | // Get the detector wise calibration objects |
851 | AliTRDCalROC *calVdriftROC = 0; | |
852 | Float_t calVdriftDetValue = 0.0; | |
853 | const AliTRDCalDet *calVdriftDet = calibration->GetVdriftDet(); | |
854 | AliTRDCalROC *calT0ROC = 0; | |
855 | Float_t calT0DetValue = 0.0; | |
856 | const AliTRDCalDet *calT0Det = calibration->GetT0Det(); | |
4329977a | 857 | |
4329977a | 858 | if (simParam->TRFOn()) { |
859 | timeBinTRFend = ((Int_t) (simParam->GetTRFhi() | |
860 | * commonParam->GetSamplingFrequency())) - 1; | |
4329977a | 861 | } |
862 | ||
3becff3c | 863 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); |
b43a3e17 | 864 | Float_t samplingRate = commonParam->GetSamplingFrequency(); |
4329977a | 865 | Float_t elAttachProp = simParam->GetElAttachProp() / 100.0; |
a328fff9 | 866 | |
625f5260 | 867 | AliTRDpadPlane *padPlane = fGeo->GetPadPlane(det); |
b65e5048 | 868 | Int_t layer = fGeo->GetLayer(det); //update |
625f5260 | 869 | Float_t row0 = padPlane->GetRow0ROC(); |
870 | Int_t nRowMax = padPlane->GetNrows(); | |
871 | Int_t nColMax = padPlane->GetNcols(); | |
872 | ||
873 | // Create a new array for the signals | |
874 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
875 | ||
876 | // Create a new array for the dictionary | |
877 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 878 | dictionary[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 879 | dictionary[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
880 | } | |
881 | ||
882 | // Loop through the hits in this detector | |
883 | for (Int_t hit = 0; hit < nhit; hit++) { | |
884 | ||
885 | pos[0] = hits[hit*kNhit+0]; | |
886 | pos[1] = hits[hit*kNhit+1]; | |
887 | pos[2] = hits[hit*kNhit+2]; | |
888 | Float_t q = hits[hit*kNhit+3]; | |
889 | Float_t hittime = hits[hit*kNhit+5]; | |
890 | Int_t track = ((Int_t) hits[hit*kNhit+4]); | |
891 | ||
892 | Int_t inDrift = 1; | |
893 | ||
894 | // Find the current volume with the geo manager | |
895 | gGeoManager->SetCurrentPoint(pos); | |
896 | gGeoManager->FindNode(); | |
897 | if (strstr(gGeoManager->GetPath(),"/UK")) { | |
898 | inDrift = 0; | |
899 | } | |
793ff80c | 900 | |
625f5260 | 901 | // Get the calibration objects |
902 | calVdriftROC = calibration->GetVdriftROC(det); | |
903 | calVdriftDetValue = calVdriftDet->GetValue(det); | |
904 | calT0ROC = calibration->GetT0ROC(det); | |
905 | calT0DetValue = calT0Det->GetValue(det); | |
906 | ||
907 | // Go to the local coordinate system: | |
908 | // loc[0] - col direction in amplification or driftvolume | |
909 | // loc[1] - row direction in amplification or driftvolume | |
910 | // loc[2] - time direction in amplification or driftvolume | |
911 | gGeoManager->MasterToLocal(pos,loc); | |
912 | if (inDrift) { | |
913 | // Relative to middle of amplification region | |
914 | loc[2] = loc[2] - kDrWidth/2.0 - kAmWidth/2.0; | |
915 | } | |
793ff80c | 916 | |
625f5260 | 917 | // The driftlength [cm] (w/o diffusion yet !). |
918 | // It is negative if the hit is between pad plane and anode wires. | |
919 | Double_t driftlength = -1.0 * loc[2]; | |
e23fbb27 | 920 | |
625f5260 | 921 | // Stupid patch to take care of TR photons that are absorbed |
922 | // outside the chamber volume. A real fix would actually need | |
923 | // a more clever implementation of the TR hit generation | |
924 | if (q < 0.0) { | |
925 | if ((loc[1] < padPlane->GetRowEndROC()) || | |
926 | (loc[1] > padPlane->GetRow0ROC())) { | |
f881dc35 | 927 | continue; |
928 | } | |
625f5260 | 929 | if ((driftlength < kDrMin) || |
930 | (driftlength > kDrMax)) { | |
931 | continue; | |
4329977a | 932 | } |
625f5260 | 933 | } |
f881dc35 | 934 | |
625f5260 | 935 | // Get row and col of unsmeared electron to retrieve drift velocity |
936 | // The pad row (z-direction) | |
937 | Int_t rowE = padPlane->GetPadRowNumberROC(loc[1]); | |
938 | if (rowE < 0) { | |
939 | continue; | |
940 | } | |
941 | Double_t rowOffset = padPlane->GetPadRowOffsetROC(rowE,loc[1]); | |
942 | // The pad column (rphi-direction) | |
943 | Double_t offsetTilt = padPlane->GetTiltOffset(rowOffset); | |
944 | Int_t colE = padPlane->GetPadColNumber(loc[0]+offsetTilt); | |
945 | if (colE < 0) { | |
946 | continue; | |
947 | } | |
0a17cc30 | 948 | Double_t colOffset = 0.0; |
f881dc35 | 949 | |
625f5260 | 950 | // Normalized drift length |
951 | Float_t driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
952 | Double_t absdriftlength = TMath::Abs(driftlength); | |
953 | if (commonParam->ExBOn()) { | |
954 | absdriftlength /= TMath::Sqrt(GetLorentzFactor(driftvelocity)); | |
955 | } | |
956 | ||
957 | // Loop over all electrons of this hit | |
958 | // TR photons produce hits with negative charge | |
959 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
960 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
961 | ||
962 | // Now the real local coordinate system of the ROC | |
963 | // column direction: locC | |
964 | // row direction: locR | |
965 | // time direction: locT | |
966 | // locR and locC are identical to the coordinates of the corresponding | |
967 | // volumina of the drift or amplification region. | |
968 | // locT is defined relative to the wire plane (i.e. middle of amplification | |
26d3c914 | 969 | // region), meaning locT = 0, and is negative for hits coming from the |
625f5260 | 970 | // drift region. |
971 | Double_t locC = loc[0]; | |
972 | Double_t locR = loc[1]; | |
973 | Double_t locT = loc[2]; | |
974 | ||
975 | // Electron attachment | |
976 | if (simParam->ElAttachOn()) { | |
977 | if (gRandom->Rndm() < (absdriftlength * elAttachProp)) { | |
978 | continue; | |
f881dc35 | 979 | } |
625f5260 | 980 | } |
981 | ||
982 | // Apply the diffusion smearing | |
983 | if (simParam->DiffusionOn()) { | |
984 | if (!(Diffusion(driftvelocity,absdriftlength,locR,locC,locT))) { | |
985 | continue; | |
f881dc35 | 986 | } |
f881dc35 | 987 | } |
793ff80c | 988 | |
625f5260 | 989 | // Apply E x B effects (depends on drift direction) |
990 | if (commonParam->ExBOn()) { | |
991 | if (!(ExB(driftvelocity,driftlength,locC))) { | |
4329977a | 992 | continue; |
993 | } | |
729161c5 | 994 | } |
995 | ||
625f5260 | 996 | // The electron position after diffusion and ExB in pad coordinates. |
4329977a | 997 | // The pad row (z-direction) |
625f5260 | 998 | rowE = padPlane->GetPadRowNumberROC(locR); |
999 | if (rowE < 0) continue; | |
1000 | rowOffset = padPlane->GetPadRowOffsetROC(rowE,locR); | |
4329977a | 1001 | |
1002 | // The pad column (rphi-direction) | |
625f5260 | 1003 | offsetTilt = padPlane->GetTiltOffset(rowOffset); |
1004 | colE = padPlane->GetPadColNumber(locC+offsetTilt); | |
1005 | if (colE < 0) continue; | |
1006 | colOffset = padPlane->GetPadColOffset(colE,locC+offsetTilt); | |
b65e5048 | 1007 | |
625f5260 | 1008 | // Also re-retrieve drift velocity because col and row may have changed |
1009 | driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); | |
1010 | Float_t t0 = calT0DetValue + calT0ROC->GetValue(colE,rowE); | |
1011 | ||
1012 | // Convert the position to drift time [mus], using either constant drift velocity or | |
1013 | // time structure of drift cells (non-isochronity, GARFIELD calculation). | |
1014 | // Also add absolute time of hits to take pile-up events into account properly | |
1015 | Double_t drifttime; | |
1016 | if (simParam->TimeStructOn()) { | |
1017 | // Get z-position with respect to anode wire | |
58897a75 | 1018 | Double_t zz = row0 - locR + padPlane->GetAnodeWireOffset(); |
625f5260 | 1019 | zz -= ((Int_t)(2 * zz)) / 2.0; |
1020 | if (zz > 0.25) { | |
1021 | zz = 0.5 - zz; | |
1022 | } | |
1023 | // Use drift time map (GARFIELD) | |
a076fc2f | 1024 | drifttime = commonParam->TimeStruct(driftvelocity,0.5*kAmWidth-1.0*locT,zz) |
625f5260 | 1025 | + hittime; |
1026 | } | |
1027 | else { | |
1028 | // Use constant drift velocity | |
26d3c914 | 1029 | drifttime = TMath::Abs(locT) / driftvelocity |
625f5260 | 1030 | + hittime; |
4329977a | 1031 | } |
625f5260 | 1032 | |
1033 | // Apply the gas gain including fluctuations | |
1034 | Double_t ggRndm = 0.0; | |
1035 | do { | |
1036 | ggRndm = gRandom->Rndm(); | |
1037 | } while (ggRndm <= 0); | |
eb52b657 | 1038 | Double_t signal = -(simParam->GetGasGain()) * TMath::Log(ggRndm); |
625f5260 | 1039 | |
1040 | // Apply the pad response | |
1041 | if (simParam->PRFOn()) { | |
1042 | // The distance of the electron to the center of the pad | |
1043 | // in units of pad width | |
1044 | Double_t dist = (colOffset - 0.5*padPlane->GetColSize(colE)) | |
1045 | / padPlane->GetColSize(colE); | |
1046 | // This is a fixed parametrization, i.e. not dependent on | |
1047 | // calibration values ! | |
053767a4 | 1048 | if (!(calibration->PadResponse(signal,dist,layer,padSignal))) continue; |
625f5260 | 1049 | } |
1050 | else { | |
1051 | padSignal[0] = 0.0; | |
1052 | padSignal[1] = signal; | |
1053 | padSignal[2] = 0.0; | |
4329977a | 1054 | } |
f881dc35 | 1055 | |
625f5260 | 1056 | // The time bin (always positive), with t0 distortion |
1057 | Double_t timeBinIdeal = drifttime * samplingRate + t0; | |
1058 | // Protection | |
1059 | if (TMath::Abs(timeBinIdeal) > 2*nTimeTotal) { | |
1060 | timeBinIdeal = 2 * nTimeTotal; | |
1061 | } | |
1062 | Int_t timeBinTruncated = ((Int_t) timeBinIdeal); | |
1063 | // The distance of the position to the middle of the timebin | |
1064 | Double_t timeOffset = ((Float_t) timeBinTruncated | |
1065 | + 0.5 - timeBinIdeal) / samplingRate; | |
3551db50 | 1066 | |
625f5260 | 1067 | // Sample the time response inside the drift region |
1068 | // + additional time bins before and after. | |
1069 | // The sampling is done always in the middle of the time bin | |
1070 | for (Int_t iTimeBin = TMath::Max(timeBinTruncated,0) | |
1071 | ;iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal) | |
1072 | ;iTimeBin++) { | |
1073 | ||
1074 | // Apply the time response | |
1075 | Double_t timeResponse = 1.0; | |
1076 | Double_t crossTalk = 0.0; | |
1077 | Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; | |
58897a75 | 1078 | |
625f5260 | 1079 | if (simParam->TRFOn()) { |
1080 | timeResponse = simParam->TimeResponse(time); | |
f881dc35 | 1081 | } |
625f5260 | 1082 | if (simParam->CTOn()) { |
1083 | crossTalk = simParam->CrossTalk(time); | |
f881dc35 | 1084 | } |
e23fbb27 | 1085 | |
625f5260 | 1086 | signalOld[0] = 0.0; |
1087 | signalOld[1] = 0.0; | |
1088 | signalOld[2] = 0.0; | |
e23fbb27 | 1089 | |
625f5260 | 1090 | for (iPad = 0; iPad < kNpad; iPad++) { |
f7336fa3 | 1091 | |
625f5260 | 1092 | Int_t colPos = colE + iPad - 1; |
1093 | if (colPos < 0) continue; | |
1094 | if (colPos >= nColMax) break; | |
e23fbb27 | 1095 | |
625f5260 | 1096 | // Add the signals |
b65e5048 | 1097 | signalOld[iPad] = signals->GetData(rowE,colPos,iTimeBin); |
e23fbb27 | 1098 | |
625f5260 | 1099 | if (colPos != colE) { |
1100 | // Cross talk added to non-central pads | |
1101 | signalOld[iPad] += padSignal[iPad] | |
1102 | * (timeResponse + crossTalk); | |
1103 | } | |
1104 | else { | |
1105 | // W/o cross talk at central pad | |
1106 | signalOld[iPad] += padSignal[iPad] | |
1107 | * timeResponse; | |
1108 | } | |
f881dc35 | 1109 | |
b65e5048 | 1110 | signals->SetData(rowE,colPos,iTimeBin,signalOld[iPad]); |
625f5260 | 1111 | |
1112 | // Store the track index in the dictionary | |
1113 | // Note: We store index+1 in order to allow the array to be compressed | |
b65e5048 | 1114 | // Note2: Taking out the +1 in track |
625f5260 | 1115 | if (signalOld[iPad] > 0.0) { |
1116 | for (dict = 0; dict < kNdict; dict++) { | |
b65e5048 | 1117 | Int_t oldTrack = dictionary[dict]->GetData(rowE,colPos,iTimeBin); |
1118 | if (oldTrack == track) break; | |
1119 | if (oldTrack == -1 ) { | |
1120 | dictionary[dict]->SetData(rowE,colPos,iTimeBin,track); | |
1121 | break; | |
1122 | } | |
f881dc35 | 1123 | } |
625f5260 | 1124 | } |
872a7aba | 1125 | |
625f5260 | 1126 | } // Loop: pads |
f7336fa3 | 1127 | |
625f5260 | 1128 | } // Loop: time bins |
f7336fa3 | 1129 | |
625f5260 | 1130 | } // Loop: electrons of a single hit |
f7336fa3 | 1131 | |
625f5260 | 1132 | } // Loop: hits |
f7336fa3 | 1133 | |
625f5260 | 1134 | AliDebug(2,Form("Finished analyzing %d hits",nhit)); |
e23fbb27 | 1135 | |
625f5260 | 1136 | return kTRUE; |
e23fbb27 | 1137 | |
625f5260 | 1138 | } |
793ff80c | 1139 | |
625f5260 | 1140 | //_____________________________________________________________________________ |
b65e5048 | 1141 | Bool_t AliTRDdigitizer::ConvertSignals(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1142 | { |
4329977a | 1143 | // |
625f5260 | 1144 | // Convert signals to digits |
4329977a | 1145 | // |
1146 | ||
625f5260 | 1147 | AliDebug(1,Form("Start converting the signals for detector %d",det)); |
1148 | ||
1149 | if (fSDigits) { | |
1150 | // Convert the signal array to s-digits | |
1151 | if (!Signal2SDigits(det,signals)) { | |
1152 | return kFALSE; | |
793ff80c | 1153 | } |
625f5260 | 1154 | } |
1155 | else { | |
1156 | // Convert the signal array to digits | |
1157 | if (!Signal2ADC(det,signals)) { | |
1158 | return kFALSE; | |
793ff80c | 1159 | } |
d295185b | 1160 | // Run digital processing for digits |
1161 | RunDigitalProcessing(det); | |
625f5260 | 1162 | } |
f7336fa3 | 1163 | |
625f5260 | 1164 | // Compress the arrays |
b65e5048 | 1165 | CompressOutputArrays(det); |
6244debe | 1166 | |
625f5260 | 1167 | return kTRUE; |
6244debe | 1168 | |
625f5260 | 1169 | } |
4329977a | 1170 | |
625f5260 | 1171 | //_____________________________________________________________________________ |
b65e5048 | 1172 | Bool_t AliTRDdigitizer::Signal2ADC(Int_t det, AliTRDarraySignal *signals) |
625f5260 | 1173 | { |
1174 | // | |
1175 | // Converts the sampled electron signals to ADC values for a given chamber | |
1176 | // | |
6244debe | 1177 | |
625f5260 | 1178 | AliDebug(1,Form("Start converting signals to ADC values for detector=%d",det)); |
e23fbb27 | 1179 | |
625f5260 | 1180 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1181 | if (!calibration) { | |
1182 | AliFatal("Could not get calibration object"); | |
1183 | return kFALSE; | |
1184 | } | |
793ff80c | 1185 | |
625f5260 | 1186 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
1187 | if (!simParam) { | |
1188 | AliFatal("Could not get simulation parameters"); | |
1189 | return kFALSE; | |
1190 | } | |
f7336fa3 | 1191 | |
625f5260 | 1192 | // Converts number of electrons to fC |
1193 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
0c24ba98 | 1194 | |
625f5260 | 1195 | // Coupling factor |
1196 | Double_t coupling = simParam->GetPadCoupling() | |
1197 | * simParam->GetTimeCoupling(); | |
1198 | // Electronics conversion factor | |
1199 | Double_t convert = kEl2fC | |
1200 | * simParam->GetChipGain(); | |
1201 | // ADC conversion factor | |
1202 | Double_t adcConvert = simParam->GetADCoutRange() | |
1203 | / simParam->GetADCinRange(); | |
1204 | // The electronics baseline in mV | |
1205 | Double_t baseline = simParam->GetADCbaseline() | |
1206 | / adcConvert; | |
1207 | // The electronics baseline in electrons | |
1208 | Double_t baselineEl = baseline | |
1209 | / convert; | |
1210 | ||
1211 | Int_t row = 0; | |
1212 | Int_t col = 0; | |
1213 | Int_t time = 0; | |
1214 | ||
1215 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1216 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1217 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
abaf1f1d | 1218 | |
625f5260 | 1219 | // The gainfactor calibration objects |
1220 | const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1221 | AliTRDCalROC *calGainFactorROC = 0; | |
1222 | Float_t calGainFactorDetValue = 0.0; | |
f7336fa3 | 1223 | |
b65e5048 | 1224 | AliTRDarrayADC *digits = 0x0; |
e23fbb27 | 1225 | |
625f5260 | 1226 | if (!signals) { |
1227 | AliError(Form("Signals array for detector %d does not exist\n",det)); | |
1228 | return kFALSE; | |
1229 | } | |
1230 | if (signals->HasData()) { | |
1231 | // Expand the container if neccessary | |
b65e5048 | 1232 | signals->Expand(); |
625f5260 | 1233 | } |
1234 | else { | |
1235 | // Create missing containers | |
1236 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
f7336fa3 | 1237 | } |
1238 | ||
625f5260 | 1239 | // Get the container for the digits of this detector |
1240 | if (fDigitsManager->HasSDigits()) { | |
1241 | AliError("Digits manager has s-digits"); | |
1242 | return kFALSE; | |
1243 | } | |
b65e5048 | 1244 | |
1245 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
625f5260 | 1246 | // Allocate memory space for the digits buffer |
1247 | if (!digits->HasData()) { | |
1248 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
0c24ba98 | 1249 | } |
1250 | ||
625f5260 | 1251 | // Get the calibration objects |
1252 | calGainFactorROC = calibration->GetGainFactorROC(det); | |
1253 | calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
abaf1f1d | 1254 | |
625f5260 | 1255 | // Create the digits for this chamber |
1256 | for (row = 0; row < nRowMax; row++ ) { | |
1257 | for (col = 0; col < nColMax; col++ ) { | |
abaf1f1d | 1258 | |
625f5260 | 1259 | // Check whether pad is masked |
1260 | // Bridged pads are not considered yet!!! | |
1261 | if (calibration->IsPadMasked(det,col,row)) { | |
1262 | continue; | |
1263 | } | |
abaf1f1d | 1264 | |
625f5260 | 1265 | // The gain factors |
1266 | Float_t padgain = calGainFactorDetValue | |
1267 | * calGainFactorROC->GetValue(col,row); | |
1268 | if (padgain <= 0) { | |
1269 | AliError(Form("Not a valid gain %f, %d %d %d",padgain,det,col,row)); | |
1270 | } | |
abaf1f1d | 1271 | |
625f5260 | 1272 | for (time = 0; time < nTimeTotal; time++) { |
1273 | ||
1274 | // Get the signal amplitude | |
b65e5048 | 1275 | Float_t signalAmp = signals->GetData(row,col,time); |
625f5260 | 1276 | // Pad and time coupling |
1277 | signalAmp *= coupling; | |
1278 | // Gain factors | |
1279 | signalAmp *= padgain; | |
1280 | ||
1281 | // Add the noise, starting from minus ADC baseline in electrons | |
1282 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) | |
1283 | ,-baselineEl); | |
1284 | ||
1285 | // Convert to mV | |
1286 | signalAmp *= convert; | |
1287 | // Add ADC baseline in mV | |
1288 | signalAmp += baseline; | |
1289 | ||
1290 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
1291 | // signal is larger than fADCinRange | |
1292 | Short_t adc = 0; | |
1293 | if (signalAmp >= simParam->GetADCinRange()) { | |
1294 | adc = ((Short_t) simParam->GetADCoutRange()); | |
1295 | } | |
1296 | else { | |
1297 | adc = TMath::Nint(signalAmp * adcConvert); | |
1298 | } | |
abaf1f1d | 1299 | |
b65e5048 | 1300 | // Saving all digits |
1301 | digits->SetData(row,col,time,adc); | |
abaf1f1d | 1302 | |
625f5260 | 1303 | } // for: time |
b65e5048 | 1304 | |
625f5260 | 1305 | } // for: col |
1306 | } // for: row | |
b1113c6b | 1307 | |
625f5260 | 1308 | return kTRUE; |
b1113c6b | 1309 | |
1310 | } | |
1311 | ||
abaf1f1d | 1312 | //_____________________________________________________________________________ |
b65e5048 | 1313 | Bool_t AliTRDdigitizer::Signal2SDigits(Int_t det, AliTRDarraySignal *signals) |
abaf1f1d | 1314 | { |
1315 | // | |
625f5260 | 1316 | // Converts the sampled electron signals to s-digits |
abaf1f1d | 1317 | // |
1318 | ||
625f5260 | 1319 | AliDebug(1,Form("Start converting signals to s-digits for detector=%d",det)); |
abaf1f1d | 1320 | |
4329977a | 1321 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1322 | if (!calibration) { |
4329977a | 1323 | AliFatal("Could not get calibration object"); |
3551db50 | 1324 | return kFALSE; |
1325 | } | |
6bf5f0ce | 1326 | |
625f5260 | 1327 | Int_t row = 0; |
1328 | Int_t col = 0; | |
1329 | Int_t time = 0; | |
9afbd7de | 1330 | |
625f5260 | 1331 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); |
1332 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1333 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
e23fbb27 | 1334 | |
625f5260 | 1335 | // Get the container for the digits of this detector |
b65e5048 | 1336 | |
625f5260 | 1337 | if (!fDigitsManager->HasSDigits()) { |
1338 | AliError("Digits manager has no s-digits"); | |
1339 | return kFALSE; | |
1340 | } | |
b65e5048 | 1341 | |
1342 | AliTRDarraySignal *digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
625f5260 | 1343 | // Allocate memory space for the digits buffer |
1344 | if (!digits->HasData()) { | |
1345 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1346 | } | |
e23fbb27 | 1347 | |
625f5260 | 1348 | // Create the sdigits for this chamber |
1349 | for (row = 0; row < nRowMax; row++ ) { | |
1350 | for (col = 0; col < nColMax; col++ ) { | |
1351 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1352 | digits->SetData(row,col,time,signals->GetData(row,col,time)); |
625f5260 | 1353 | } // for: time |
1354 | } // for: col | |
1355 | } // for: row | |
b65e5048 | 1356 | |
625f5260 | 1357 | return kTRUE; |
abaf1f1d | 1358 | |
625f5260 | 1359 | } |
abaf1f1d | 1360 | |
e7539003 | 1361 | //_____________________________________________________________________________ |
621310dd | 1362 | Bool_t AliTRDdigitizer::Digits2SDigits(AliTRDdigitsManager * const manDig |
1363 | , AliTRDdigitsManager * const manSDig) | |
e7539003 | 1364 | { |
1365 | // | |
1366 | // Converts digits into s-digits. Needed for embedding into real data. | |
1367 | // | |
1368 | ||
1369 | AliDebug(1,"Start converting digits to s-digits"); | |
1370 | ||
6b4a4228 | 1371 | if (!fGeo) { |
1372 | fGeo = new AliTRDgeometry(); | |
1373 | } | |
1374 | ||
e7539003 | 1375 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1376 | if (!calibration) { | |
1377 | AliFatal("Could not get calibration object"); | |
1378 | return kFALSE; | |
1379 | } | |
1380 | ||
1381 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); | |
1382 | if (!simParam) { | |
1383 | AliFatal("Could not get simulation parameters"); | |
1384 | return kFALSE; | |
1385 | } | |
1386 | ||
1387 | // Converts number of electrons to fC | |
1388 | const Double_t kEl2fC = 1.602e-19 * 1.0e15; | |
1389 | ||
1390 | // Coupling factor | |
1391 | Double_t coupling = simParam->GetPadCoupling() | |
1392 | * simParam->GetTimeCoupling(); | |
1393 | // Electronics conversion factor | |
1394 | Double_t convert = kEl2fC | |
1395 | * simParam->GetChipGain(); | |
1396 | // ADC conversion factor | |
1397 | Double_t adcConvert = simParam->GetADCoutRange() | |
1398 | / simParam->GetADCinRange(); | |
1399 | // The electronics baseline in mV | |
1400 | Double_t baseline = simParam->GetADCbaseline() | |
1401 | / adcConvert; | |
1402 | // The electronics baseline in electrons | |
6b4a4228 | 1403 | //Double_t baselineEl = baseline |
1404 | // / convert; | |
e7539003 | 1405 | |
1406 | // The gainfactor calibration objects | |
1407 | //const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); | |
1408 | //AliTRDCalROC *calGainFactorROC = 0; | |
1409 | //Float_t calGainFactorDetValue = 0.0; | |
1410 | ||
1411 | Int_t row = 0; | |
1412 | Int_t col = 0; | |
1413 | Int_t time = 0; | |
1414 | ||
1415 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1416 | ||
1417 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1418 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1419 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
1420 | ||
1421 | // Get the calibration objects | |
1422 | //calGainFactorROC = calibration->GetGainFactorROC(det); | |
1423 | //calGainFactorDetValue = calGainFactorDet->GetValue(det); | |
1424 | ||
1425 | // Get the digits | |
1426 | AliTRDarrayADC *digits = (AliTRDarrayADC *) manDig->GetDigits(det); | |
1427 | ||
1428 | if (!manSDig->HasSDigits()) { | |
1429 | AliError("SDigits manager has no s-digits"); | |
1430 | return kFALSE; | |
1431 | } | |
1432 | // Get the s-digits | |
1433 | AliTRDarraySignal *sdigits = (AliTRDarraySignal *) manSDig->GetSDigits(det); | |
1434 | AliTRDarrayDictionary *tracks0 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,0); | |
1435 | AliTRDarrayDictionary *tracks1 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,1); | |
1436 | AliTRDarrayDictionary *tracks2 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,2); | |
1437 | // Allocate memory space for the digits buffer | |
1438 | sdigits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1439 | tracks0->Allocate(nRowMax,nColMax,nTimeTotal); | |
1440 | tracks1->Allocate(nRowMax,nColMax,nTimeTotal); | |
1441 | tracks2->Allocate(nRowMax,nColMax,nTimeTotal); | |
1442 | ||
1443 | // Create the sdigits for this chamber | |
1444 | for (row = 0; row < nRowMax; row++ ) { | |
1445 | for (col = 0; col < nColMax; col++ ) { | |
1446 | ||
1447 | // The gain factors | |
1448 | //Float_t padgain = calGainFactorDetValue | |
1449 | // * calGainFactorROC->GetValue(col,row); | |
1450 | ||
1451 | for (time = 0; time < nTimeTotal; time++) { | |
1452 | ||
1453 | Double_t signal = (Double_t) digits->GetData(row,col,time); | |
1454 | ||
1455 | // ADC -> signal in mV | |
1456 | signal /= adcConvert; | |
1457 | ||
1458 | // Subtract baseline in mV | |
1459 | signal -= baseline; | |
1460 | ||
1461 | // Signal in mV -> signal in #electrons | |
1462 | signal /= convert; | |
1463 | ||
1464 | // Gain factor | |
1465 | //signal /= padgain; // Not needed for real data | |
1466 | ||
1467 | // Pad and time coupling | |
1468 | signal /= coupling; | |
1469 | ||
1470 | sdigits->SetData(row,col,time,signal); | |
1471 | tracks0->SetData(row,col,time,0); | |
1472 | tracks1->SetData(row,col,time,0); | |
1473 | tracks2->SetData(row,col,time,0); | |
1474 | ||
1475 | } // for: time | |
1476 | ||
1477 | } // for: col | |
1478 | } // for: row | |
1479 | ||
1480 | sdigits->Compress(0); | |
1481 | tracks0->Compress(); | |
1482 | tracks1->Compress(); | |
1483 | tracks2->Compress(); | |
1484 | ||
1485 | } // for: det | |
1486 | ||
1487 | return kTRUE; | |
1488 | ||
1489 | } | |
1490 | ||
625f5260 | 1491 | //_____________________________________________________________________________ |
1492 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1493 | { | |
1494 | // | |
1495 | // Merges the input s-digits and converts them to normal digits | |
1496 | // | |
e23fbb27 | 1497 | |
625f5260 | 1498 | if (!MergeSDigits()) { |
1499 | return kFALSE; | |
1500 | } | |
f7336fa3 | 1501 | |
625f5260 | 1502 | return ConvertSDigits(); |
f7336fa3 | 1503 | |
1504 | } | |
1505 | ||
16bf9884 | 1506 | //_____________________________________________________________________________ |
abaf1f1d | 1507 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1508 | { |
1509 | // | |
abaf1f1d | 1510 | // Merges the input s-digits: |
1511 | // - The amplitude of the different inputs are summed up. | |
1512 | // - Of the track IDs from the input dictionaries only one is | |
1513 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1514 | // |
1515 | ||
abaf1f1d | 1516 | // Number of track dictionary arrays |
1517 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1518 | ||
4d18a639 | 1519 | AliTRDSimParam *simParam = AliTRDSimParam::Instance(); |
9afbd7de | 1520 | if (!simParam) { |
4329977a | 1521 | AliFatal("Could not get simulation parameters"); |
3551db50 | 1522 | return kFALSE; |
1523 | } | |
1524 | ||
4d18a639 | 1525 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
9afbd7de | 1526 | if (!calibration) { |
4329977a | 1527 | AliFatal("Could not get calibration object"); |
3551db50 | 1528 | return kFALSE; |
1529 | } | |
1530 | ||
abaf1f1d | 1531 | Int_t iDict = 0; |
e23fbb27 | 1532 | Int_t jDict = 0; |
abaf1f1d | 1533 | |
b65e5048 | 1534 | AliTRDarraySignal *digitsA; |
1535 | AliTRDarraySignal *digitsB; | |
1536 | AliTRDarrayDictionary *dictionaryA[kNDict]; | |
1537 | AliTRDarrayDictionary *dictionaryB[kNDict]; | |
abaf1f1d | 1538 | |
b65e5048 | 1539 | AliTRDdigitsManager *mergeSDigitsManager = 0x0; |
abaf1f1d | 1540 | // Get the first s-digits |
1541 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
9afbd7de | 1542 | if (!fSDigitsManager) { |
7925de54 | 1543 | AliError("No SDigits manager"); |
9afbd7de | 1544 | return kFALSE; |
1545 | } | |
abaf1f1d | 1546 | |
1547 | // Loop through the other sets of s-digits | |
b65e5048 | 1548 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(fSDigitsManager); |
abaf1f1d | 1549 | |
9afbd7de | 1550 | if (mergeSDigitsManager) { |
7925de54 | 1551 | AliDebug(1,Form("Merge %d input files.",fSDigitsManagerList->GetSize())); |
9afbd7de | 1552 | } |
1553 | else { | |
7925de54 | 1554 | AliDebug(1,"Only one input file."); |
abaf1f1d | 1555 | } |
3551db50 | 1556 | |
b65e5048 | 1557 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); |
abaf1f1d | 1558 | Int_t iMerge = 0; |
b65e5048 | 1559 | |
abaf1f1d | 1560 | while (mergeSDigitsManager) { |
1561 | ||
1562 | iMerge++; | |
b65e5048 | 1563 | |
abaf1f1d | 1564 | // Loop through the detectors |
1565 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1566 | ||
625f5260 | 1567 | Int_t nRowMax = fGeo->GetPadPlane(iDet)->GetNrows(); |
1568 | Int_t nColMax = fGeo->GetPadPlane(iDet)->GetNcols(); | |
b65e5048 | 1569 | |
abaf1f1d | 1570 | // Loop through the pixels of one detector and add the signals |
b65e5048 | 1571 | digitsA = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(iDet); |
1572 | digitsB = (AliTRDarraySignal *) mergeSDigitsManager->GetSDigits(iDet); | |
1573 | digitsA->Expand(); | |
1574 | if (!digitsA->HasData()) continue; | |
1575 | digitsB->Expand(); | |
1576 | if (!digitsB->HasData()) continue; | |
1577 | ||
abaf1f1d | 1578 | for (iDict = 0; iDict < kNDict; iDict++) { |
b65e5048 | 1579 | dictionaryA[iDict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(iDet,iDict); |
1580 | dictionaryB[iDict] = (AliTRDarrayDictionary *) mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1581 | dictionaryA[iDict]->Expand(); | |
abaf1f1d | 1582 | dictionaryB[iDict]->Expand(); |
1583 | } | |
1584 | ||
4487dad0 | 1585 | // Merge only detectors that contain a signal |
1586 | Bool_t doMerge = kTRUE; | |
1587 | if (fMergeSignalOnly) { | |
b65e5048 | 1588 | if (digitsA->GetOverThreshold(0) == 0) { |
1589 | doMerge = kFALSE; | |
4487dad0 | 1590 | } |
abaf1f1d | 1591 | } |
b65e5048 | 1592 | |
4487dad0 | 1593 | if (doMerge) { |
b65e5048 | 1594 | |
1595 | AliDebug(1,Form("Merge detector %d of input no.%d",iDet,iMerge+1)); | |
1596 | ||
1597 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { | |
1598 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1599 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1600 | ||
4487dad0 | 1601 | // Add the amplitudes of the summable digits |
b65e5048 | 1602 | Float_t ampA = digitsA->GetData(iRow,iCol,iTime); |
1603 | Float_t ampB = digitsB->GetData(iRow,iCol,iTime); | |
1604 | ampA += ampB; | |
1605 | digitsA->SetData(iRow,iCol,iTime,ampA); | |
1606 | ||
1607 | // Add the mask to the track id if defined. | |
1608 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1609 | Int_t trackB = dictionaryB[iDict]->GetData(iRow,iCol,iTime); | |
1610 | if ((fMasks) && (trackB > 0)) { | |
1611 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1612 | Int_t trackA = dictionaryA[iDict]->GetData(iRow,iCol,iTime); | |
1613 | if (trackA == 0) { | |
1614 | trackA = trackB + fMasks[iMerge]; | |
1615 | dictionaryA[iDict]->SetData(iRow,iCol,iTime,trackA); | |
625f5260 | 1616 | } // if: track A == 0 |
b65e5048 | 1617 | } // for: jDict |
1618 | } // if: fMasks and trackB > 0 | |
625f5260 | 1619 | } // for: iDict |
abaf1f1d | 1620 | |
625f5260 | 1621 | } // for: iTime |
1622 | } // for: iCol | |
1623 | } // for: iRow | |
4487dad0 | 1624 | |
625f5260 | 1625 | } // if: doMerge |
1626 | ||
1627 | mergeSDigitsManager->RemoveDigits(iDet); | |
1628 | mergeSDigitsManager->RemoveDictionaries(iDet); | |
b65e5048 | 1629 | |
abaf1f1d | 1630 | if (fCompress) { |
b65e5048 | 1631 | digitsA->Compress(0); |
1632 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1633 | dictionaryA[iDict]->Compress(); | |
abaf1f1d | 1634 | } |
1635 | } | |
b65e5048 | 1636 | |
625f5260 | 1637 | } // for: detectors |
b65e5048 | 1638 | |
abaf1f1d | 1639 | // The next set of s-digits |
b65e5048 | 1640 | mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(mergeSDigitsManager); |
1641 | ||
625f5260 | 1642 | } // while: mergeDigitsManagers |
b65e5048 | 1643 | |
625f5260 | 1644 | return kTRUE; |
1645 | ||
1646 | } | |
1647 | ||
1648 | //_____________________________________________________________________________ | |
1649 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1650 | { | |
1651 | // | |
1652 | // Converts s-digits to normal digits | |
1653 | // | |
1654 | ||
b65e5048 | 1655 | AliTRDarraySignal *digitsIn = 0x0; |
625f5260 | 1656 | |
1657 | if (!fSDigitsManager->HasSDigits()) { | |
1658 | AliError("No s-digits in digits manager"); | |
1659 | return kFALSE; | |
abaf1f1d | 1660 | } |
1661 | ||
625f5260 | 1662 | // Loop through the detectors |
1663 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
1664 | ||
1665 | // Get the merged s-digits (signals) | |
b65e5048 | 1666 | digitsIn = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(det); |
625f5260 | 1667 | if (!digitsIn->HasData()) { |
1668 | AliDebug(2,Form("No digits for det=%d",det)); | |
1669 | continue; | |
1670 | } | |
b0a41e80 | 1671 | |
625f5260 | 1672 | // Convert the merged sdigits to digits |
1673 | if (!Signal2ADC(det,digitsIn)) { | |
1674 | continue; | |
1675 | } | |
1676 | ||
1677 | // Copy the dictionary information to the output array | |
1678 | if (!CopyDictionary(det)) { | |
1679 | continue; | |
1680 | } | |
1681 | ||
1682 | // Delete | |
1683 | fSDigitsManager->RemoveDigits(det); | |
1684 | fSDigitsManager->RemoveDictionaries(det); | |
1685 | ||
d295185b | 1686 | // Run digital processing |
1687 | RunDigitalProcessing(det); | |
1688 | ||
625f5260 | 1689 | // Compress the arrays |
1690 | CompressOutputArrays(det); | |
1691 | ||
1692 | } // for: detector numbers | |
1693 | ||
b0a41e80 | 1694 | |
16bf9884 | 1695 | return kTRUE; |
1696 | ||
1697 | } | |
1698 | ||
abaf1f1d | 1699 | //_____________________________________________________________________________ |
625f5260 | 1700 | Bool_t AliTRDdigitizer::CopyDictionary(Int_t det) |
abaf1f1d | 1701 | { |
1702 | // | |
625f5260 | 1703 | // Copies the dictionary information from the s-digits arrays |
1704 | // to the output arrays | |
abaf1f1d | 1705 | // |
1706 | ||
625f5260 | 1707 | AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); |
1708 | if (!calibration) { | |
1709 | AliFatal("Could not get calibration object"); | |
4d18a639 | 1710 | return kFALSE; |
1711 | } | |
abaf1f1d | 1712 | |
625f5260 | 1713 | AliDebug(1,Form("Start copying dictionaries for detector=%d",det)); |
1714 | ||
1715 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1716 | AliTRDarrayDictionary *dictionaryIn[kNDict]; |
1717 | AliTRDarrayDictionary *dictionaryOut[kNDict]; | |
625f5260 | 1718 | |
1719 | Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); | |
1720 | Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); | |
1721 | Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); | |
1722 | ||
1723 | Int_t row = 0; | |
1724 | Int_t col = 0; | |
1725 | Int_t time = 0; | |
1726 | Int_t dict = 0; | |
1727 | ||
1728 | for (dict = 0; dict < kNDict; dict++) { | |
1729 | ||
b65e5048 | 1730 | dictionaryIn[dict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(det,dict); |
625f5260 | 1731 | dictionaryIn[dict]->Expand(); |
b65e5048 | 1732 | dictionaryOut[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
625f5260 | 1733 | dictionaryOut[dict]->Allocate(nRowMax,nColMax,nTimeTotal); |
1734 | ||
1735 | for (row = 0; row < nRowMax; row++) { | |
1736 | for (col = 0; col < nColMax; col++) { | |
1737 | for (time = 0; time < nTimeTotal; time++) { | |
b65e5048 | 1738 | Int_t track = dictionaryIn[dict]->GetData(row,col,time); |
1739 | dictionaryOut[dict]->SetData(row,col,time,track); | |
625f5260 | 1740 | } // for: time |
1741 | } // for: col | |
1742 | } // for: row | |
b65e5048 | 1743 | |
625f5260 | 1744 | } // for: dictionaries |
b65e5048 | 1745 | |
625f5260 | 1746 | return kTRUE; |
1747 | ||
1748 | } | |
1749 | ||
1750 | //_____________________________________________________________________________ | |
1751 | void AliTRDdigitizer::CompressOutputArrays(Int_t det) | |
1752 | { | |
1753 | // | |
1754 | // Compress the output arrays | |
1755 | // | |
1756 | ||
1757 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
b65e5048 | 1758 | AliTRDarrayDictionary *dictionary = 0x0; |
625f5260 | 1759 | |
1760 | if (fCompress) { | |
1761 | ||
b65e5048 | 1762 | if (!fSDigits) { |
1763 | AliTRDarrayADC *digits = 0x0; | |
1764 | digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); | |
1765 | digits->Compress(); | |
1766 | } | |
1767 | ||
1768 | if (fSDigits) { | |
1769 | AliTRDarraySignal *digits = 0x0; | |
1770 | digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); | |
1771 | digits->Compress(0); | |
1772 | } | |
1773 | ||
625f5260 | 1774 | for (Int_t dict = 0; dict < kNDict; dict++) { |
b65e5048 | 1775 | dictionary = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); |
1776 | dictionary->Compress(); | |
625f5260 | 1777 | } |
1778 | ||
1779 | } | |
abaf1f1d | 1780 | |
1781 | } | |
1782 | ||
f7336fa3 | 1783 | //_____________________________________________________________________________ |
0a29d0f1 | 1784 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1785 | { |
1786 | // | |
1787 | // Writes out the TRD-digits and the dictionaries | |
1788 | // | |
1789 | ||
4d18a639 | 1790 | // Write parameters |
bdbb05bb | 1791 | fRunLoader->CdGAFile(); |
bdbb05bb | 1792 | |
da581aea | 1793 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1794 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1795 | |
1796 | } | |
793ff80c | 1797 | |
8e64dd77 | 1798 | //_____________________________________________________________________________ |
88cb7938 | 1799 | void AliTRDdigitizer::InitOutput(Int_t iEvent) |
8e64dd77 | 1800 | { |
1801 | // | |
1802 | // Initializes the output branches | |
1803 | // | |
1804 | ||
1805 | fEvent = iEvent; | |
88cb7938 | 1806 | |
9afbd7de | 1807 | if (!fRunLoader) { |
1808 | AliError("Run Loader is NULL"); | |
1809 | return; | |
1810 | } | |
1811 | ||
4329977a | 1812 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); |
9afbd7de | 1813 | if (!loader) { |
1814 | AliError("Can not get TRD loader from Run Loader"); | |
1815 | return; | |
1816 | } | |
88cb7938 | 1817 | |
4d18a639 | 1818 | TTree *tree = 0; |
88cb7938 | 1819 | |
9afbd7de | 1820 | if (fSDigits) { |
1821 | // If we produce SDigits | |
88cb7938 | 1822 | tree = loader->TreeS(); |
9afbd7de | 1823 | if (!tree) { |
88cb7938 | 1824 | loader->MakeTree("S"); |
1825 | tree = loader->TreeS(); | |
9afbd7de | 1826 | } |
1827 | } | |
1828 | else { | |
1829 | // If we produce Digits | |
1830 | tree = loader->TreeD(); | |
1831 | if (!tree) { | |
1832 | loader->MakeTree("D"); | |
1833 | tree = loader->TreeD(); | |
1834 | } | |
1835 | } | |
88cb7938 | 1836 | fDigitsManager->SetEvent(iEvent); |
1837 | fDigitsManager->MakeBranch(tree); | |
8e64dd77 | 1838 | |
1839 | } | |
3551db50 | 1840 | |
3551db50 | 1841 | //_____________________________________________________________________________ |
a076fc2f | 1842 | Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t absdriftlength |
1843 | , Double_t &lRow, Double_t &lCol, Double_t &lTime) | |
3551db50 | 1844 | { |
1845 | // | |
a076fc2f | 1846 | // Applies the diffusion smearing to the position of a single electron. |
1847 | // Depends on absolute drift length. | |
3551db50 | 1848 | // |
1849 | ||
a076fc2f | 1850 | Float_t diffL = 0.0; |
1851 | Float_t diffT = 0.0; | |
4d18a639 | 1852 | |
a076fc2f | 1853 | if (AliTRDCommonParam::Instance()->GetDiffCoeff(diffL,diffT,vdrift)) { |
3551db50 | 1854 | |
a076fc2f | 1855 | Float_t driftSqrt = TMath::Sqrt(absdriftlength); |
1856 | Float_t sigmaT = driftSqrt * diffT; | |
1857 | Float_t sigmaL = driftSqrt * diffL; | |
1858 | lRow = gRandom->Gaus(lRow ,sigmaT); | |
1859 | lCol = gRandom->Gaus(lCol ,sigmaT * GetLorentzFactor(vdrift)); | |
1860 | lTime = gRandom->Gaus(lTime,sigmaL * GetLorentzFactor(vdrift)); | |
4d18a639 | 1861 | |
a076fc2f | 1862 | return 1; |
7754cd1f | 1863 | |
3551db50 | 1864 | } |
a076fc2f | 1865 | else { |
3551db50 | 1866 | |
a076fc2f | 1867 | return 0; |
1b95a37b | 1868 | |
3551db50 | 1869 | } |
9afbd7de | 1870 | |
3551db50 | 1871 | } |
3551db50 | 1872 | |
1873 | //_____________________________________________________________________________ | |
1874 | Float_t AliTRDdigitizer::GetLorentzFactor(Float_t vd) | |
1875 | { | |
9afbd7de | 1876 | // |
a076fc2f | 1877 | // Returns the Lorentz factor |
9afbd7de | 1878 | // |
1879 | ||
a076fc2f | 1880 | Double_t omegaTau = AliTRDCommonParam::Instance()->GetOmegaTau(vd); |
1881 | Double_t lorentzFactor = 1.0; | |
1882 | if (AliTRDCommonParam::Instance()->ExBOn()) { | |
1883 | lorentzFactor = 1.0 / (1.0 + omegaTau*omegaTau); | |
1884 | } | |
4d18a639 | 1885 | |
a076fc2f | 1886 | return lorentzFactor; |
9afbd7de | 1887 | |
3551db50 | 1888 | } |
1889 | ||
1890 | //_____________________________________________________________________________ | |
4329977a | 1891 | Int_t AliTRDdigitizer::ExB(Float_t vdrift, Double_t driftlength, Double_t &lCol) |
3551db50 | 1892 | { |
1893 | // | |
4329977a | 1894 | // Applies E x B effects to the position of a single electron. |
1895 | // Depends on signed drift length. | |
3551db50 | 1896 | // |
4329977a | 1897 | |
a076fc2f | 1898 | lCol = lCol |
1899 | + AliTRDCommonParam::Instance()->GetOmegaTau(vdrift) | |
1900 | * driftlength; | |
3551db50 | 1901 | |
1902 | return 1; | |
9afbd7de | 1903 | |
3551db50 | 1904 | } |
b65e5048 | 1905 | |
1906 | //_____________________________________________________________________________ | |
d295185b | 1907 | void AliTRDdigitizer::RunDigitalProcessing(Int_t det) |
b65e5048 | 1908 | { |
1909 | // | |
b0a41e80 | 1910 | // Run the digital processing in the TRAP |
b65e5048 | 1911 | // |
1912 | ||
b0a41e80 | 1913 | AliTRDfeeParam *feeParam = AliTRDfeeParam::Instance(); |
b65e5048 | 1914 | |
1915 | //Create and initialize the mcm object | |
b0a41e80 | 1916 | AliTRDmcmSim* mcmfast = new AliTRDmcmSim(); |
b65e5048 | 1917 | |
d295185b | 1918 | AliTRDarrayADC *digits = fDigitsManager->GetDigits(det); |
1919 | if (!digits) | |
1920 | return; | |
1921 | ||
b65e5048 | 1922 | //Call the methods in the mcm class using the temporary array as input |
64e3d742 | 1923 | for(Int_t rob = 0; rob < digits->GetNrow() / 2; rob++) |
b0a41e80 | 1924 | { |
1925 | for(Int_t mcm = 0; mcm < 16; mcm++) | |
b65e5048 | 1926 | { |
b0a41e80 | 1927 | mcmfast->Init(det, rob, mcm); |
40bd6ee4 | 1928 | mcmfast->SetData(digits, fDigitsManager); |
b65e5048 | 1929 | mcmfast->Filter(); |
c8b1590d | 1930 | if (feeParam->GetTracklet()) { |
b0a41e80 | 1931 | mcmfast->Tracklet(); |
c8b1590d | 1932 | mcmfast->StoreTracklets(); |
1933 | } | |
b65e5048 | 1934 | mcmfast->ZSMapping(); |
b0a41e80 | 1935 | mcmfast->WriteData(digits); |
b65e5048 | 1936 | } |
b0a41e80 | 1937 | } |
b65e5048 | 1938 | |
b65e5048 | 1939 | delete mcmfast; |
d295185b | 1940 | |
b65e5048 | 1941 | } |