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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 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Creates and handles digits from TRD hits // | |
abaf1f1d | 21 | // Author: C. Blume (C.Blume@gsi.de) // |
f7336fa3 | 22 | // // |
23 | // The following effects are included: // | |
24 | // - Diffusion // | |
25 | // - ExB effects // | |
26 | // - Gas gain including fluctuations // | |
27 | // - Pad-response (simple Gaussian approximation) // | |
abaf1f1d | 28 | // - Time-response // |
f7336fa3 | 29 | // - Electronics noise // |
30 | // - Electronics gain // | |
31 | // - Digitization // | |
32 | // - ADC threshold // | |
33 | // The corresponding parameter can be adjusted via the various // | |
34 | // Set-functions. If these parameters are not explicitly set, default // | |
35 | // values are used (see Init-function). // | |
abaf1f1d | 36 | // As an example on how to use this class to produce digits from hits // |
37 | // have a look at the macro hits2digits.C // | |
38 | // The production of summable digits is demonstrated in hits2sdigits.C // | |
39 | // and the subsequent conversion of the s-digits into normal digits is // | |
40 | // explained in sdigits2digits.C. // | |
f7336fa3 | 41 | // // |
42 | /////////////////////////////////////////////////////////////////////////////// | |
43 | ||
6798b56e | 44 | #include <stdlib.h> |
45 | ||
f7336fa3 | 46 | #include <TMath.h> |
47 | #include <TVector.h> | |
48 | #include <TRandom.h> | |
94de3818 | 49 | #include <TROOT.h> |
50 | #include <TTree.h> | |
793ff80c | 51 | #include <TFile.h> |
52 | #include <TF1.h> | |
abaf1f1d | 53 | #include <TList.h> |
85cbec76 | 54 | #include <TTask.h> |
793ff80c | 55 | |
56 | #include "AliRun.h" | |
88cb7938 | 57 | #include "AliRunLoader.h" |
58 | #include "AliLoader.h" | |
59 | #include "AliConfig.h" | |
db30bf0f | 60 | #include "AliMagF.h" |
85cbec76 | 61 | #include "AliRunDigitizer.h" |
88cb7938 | 62 | #include "AliRunLoader.h" |
63 | #include "AliLoader.h" | |
f7336fa3 | 64 | |
65 | #include "AliTRD.h" | |
793ff80c | 66 | #include "AliTRDhit.h" |
f7336fa3 | 67 | #include "AliTRDdigitizer.h" |
da581aea | 68 | #include "AliTRDdataArrayI.h" |
69 | #include "AliTRDdataArrayF.h" | |
793ff80c | 70 | #include "AliTRDsegmentArray.h" |
da581aea | 71 | #include "AliTRDdigitsManager.h" |
793ff80c | 72 | #include "AliTRDgeometry.h" |
4487dad0 | 73 | #include "AliTRDparameter.h" |
a5cadd36 | 74 | #include "AliTRDpadPlane.h" |
f7336fa3 | 75 | |
76 | ClassImp(AliTRDdigitizer) | |
77 | ||
78 | //_____________________________________________________________________________ | |
85cbec76 | 79 | AliTRDdigitizer::AliTRDdigitizer() |
f7336fa3 | 80 | { |
81 | // | |
82 | // AliTRDdigitizer default constructor | |
83 | // | |
84 | ||
85a5290f | 85 | fRunLoader = 0; |
4487dad0 | 86 | fDigitsManager = 0; |
4487dad0 | 87 | fSDigitsManager = 0; |
85a5290f | 88 | fSDigitsManagerList = 0; |
4487dad0 | 89 | fTRD = 0; |
90 | fGeo = 0; | |
91 | fPar = 0; | |
abaf1f1d | 92 | fEvent = 0; |
85a5290f | 93 | fMasks = 0; |
abaf1f1d | 94 | fCompress = kTRUE; |
e23fbb27 | 95 | fDebug = 0; |
abaf1f1d | 96 | fSDigits = kFALSE; |
97 | fSDigitsScale = 0.0; | |
4487dad0 | 98 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 99 | fSimpleSim = kFALSE; |
100 | fSimpleDet = 0; | |
101 | ||
f7336fa3 | 102 | } |
103 | ||
104 | //_____________________________________________________________________________ | |
105 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) | |
85cbec76 | 106 | :AliDigitizer(name,title) |
f7336fa3 | 107 | { |
108 | // | |
85cbec76 | 109 | // AliTRDdigitizer constructor |
110 | // | |
111 | ||
85a5290f | 112 | fRunLoader = 0; |
88cb7938 | 113 | |
114 | //NewIO: These data members probably are not needed anymore | |
4487dad0 | 115 | fDigitsManager = 0; |
4487dad0 | 116 | fSDigitsManager = 0; |
85a5290f | 117 | fSDigitsManagerList = 0; |
4487dad0 | 118 | fTRD = 0; |
119 | fGeo = 0; | |
120 | fPar = 0; | |
88cb7938 | 121 | //End NewIO comment |
85cbec76 | 122 | fEvent = 0; |
85a5290f | 123 | fMasks = 0; |
85cbec76 | 124 | fCompress = kTRUE; |
e23fbb27 | 125 | fDebug = 0; |
85cbec76 | 126 | fSDigits = kFALSE; |
85a5290f | 127 | fSDigitsScale = 100.; // For the summable digits |
4487dad0 | 128 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 129 | fSimpleSim = kFALSE; |
130 | fSimpleDet = 0; | |
131 | ||
85cbec76 | 132 | |
133 | } | |
134 | ||
135 | //_____________________________________________________________________________ | |
136 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager | |
137 | , const Text_t *name, const Text_t *title) | |
138 | :AliDigitizer(manager,name,title) | |
139 | { | |
140 | // | |
141 | // AliTRDdigitizer constructor | |
f7336fa3 | 142 | // |
143 | ||
85a5290f | 144 | fRunLoader = 0; |
4487dad0 | 145 | fDigitsManager = 0; |
4487dad0 | 146 | fSDigitsManager = 0; |
85a5290f | 147 | fSDigitsManagerList = 0; |
4487dad0 | 148 | fTRD = 0; |
149 | fGeo = 0; | |
150 | fPar = 0; | |
bfc40adc | 151 | fEvent = 0; |
85a5290f | 152 | fMasks = 0; |
bfc40adc | 153 | fCompress = kTRUE; |
154 | fDebug = 0; | |
155 | fSDigits = kFALSE; | |
85a5290f | 156 | fSDigitsScale = 100.; // For the summable digits |
4487dad0 | 157 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 158 | fSimpleSim = kFALSE; |
159 | fSimpleDet = 0; | |
160 | ||
bfc40adc | 161 | |
162 | } | |
163 | ||
164 | //_____________________________________________________________________________ | |
165 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) | |
166 | :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") | |
167 | { | |
168 | // | |
169 | // AliTRDdigitizer constructor | |
170 | // | |
171 | ||
88cb7938 | 172 | |
85a5290f | 173 | fRunLoader = 0; |
4487dad0 | 174 | fDigitsManager = 0; |
4487dad0 | 175 | fSDigitsManager = 0; |
85a5290f | 176 | fSDigitsManagerList = 0; |
4487dad0 | 177 | fTRD = 0; |
178 | fGeo = 0; | |
179 | fPar = 0; | |
abaf1f1d | 180 | fEvent = 0; |
85a5290f | 181 | fMasks = 0; |
abaf1f1d | 182 | fCompress = kTRUE; |
e23fbb27 | 183 | fDebug = 0; |
abaf1f1d | 184 | fSDigits = kFALSE; |
85a5290f | 185 | fSDigitsScale = 100.; // For the summable digits |
4487dad0 | 186 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 187 | fSimpleSim = kFALSE; |
188 | fSimpleDet = 0; | |
793ff80c | 189 | |
f7336fa3 | 190 | |
191 | } | |
192 | ||
8230f242 | 193 | //_____________________________________________________________________________ |
73ae7b59 | 194 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d):AliDigitizer(d) |
8230f242 | 195 | { |
196 | // | |
197 | // AliTRDdigitizer copy constructor | |
198 | // | |
199 | ||
dd9a6ee3 | 200 | ((AliTRDdigitizer &) d).Copy(*this); |
8230f242 | 201 | |
202 | } | |
203 | ||
f7336fa3 | 204 | //_____________________________________________________________________________ |
205 | AliTRDdigitizer::~AliTRDdigitizer() | |
206 | { | |
8230f242 | 207 | // |
208 | // AliTRDdigitizer destructor | |
209 | // | |
f7336fa3 | 210 | |
abaf1f1d | 211 | |
212 | if (fDigitsManager) { | |
213 | delete fDigitsManager; | |
4487dad0 | 214 | fDigitsManager = 0; |
f7336fa3 | 215 | } |
216 | ||
47b5729a | 217 | fSDigitsManager = 0; |
f7336fa3 | 218 | |
abaf1f1d | 219 | if (fSDigitsManagerList) { |
47b5729a | 220 | fSDigitsManagerList->Delete(); |
abaf1f1d | 221 | delete fSDigitsManagerList; |
4487dad0 | 222 | fSDigitsManagerList = 0; |
e23fbb27 | 223 | } |
224 | ||
225 | if (fMasks) { | |
226 | delete [] fMasks; | |
227 | fMasks = 0; | |
228 | } | |
229 | ||
f7336fa3 | 230 | } |
231 | ||
8230f242 | 232 | //_____________________________________________________________________________ |
dd9a6ee3 | 233 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
234 | { | |
235 | // | |
236 | // Assignment operator | |
237 | // | |
238 | ||
239 | if (this != &d) ((AliTRDdigitizer &) d).Copy(*this); | |
240 | return *this; | |
241 | ||
242 | } | |
243 | ||
244 | //_____________________________________________________________________________ | |
e0d47c25 | 245 | void AliTRDdigitizer::Copy(TObject &d) const |
8230f242 | 246 | { |
247 | // | |
248 | // Copy function | |
249 | // | |
250 | ||
85a5290f | 251 | ((AliTRDdigitizer &) d).fRunLoader = 0; |
4487dad0 | 252 | ((AliTRDdigitizer &) d).fDigitsManager = 0; |
85a5290f | 253 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; |
254 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
4487dad0 | 255 | ((AliTRDdigitizer &) d).fTRD = 0; |
256 | ((AliTRDdigitizer &) d).fGeo = 0; | |
4487dad0 | 257 | ((AliTRDdigitizer &) d).fPar = 0; |
85a5290f | 258 | ((AliTRDdigitizer &) d).fEvent = 0; |
259 | ((AliTRDdigitizer &) d).fMasks = 0; | |
abaf1f1d | 260 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
e23fbb27 | 261 | ((AliTRDdigitizer &) d).fDebug = fDebug ; |
abaf1f1d | 262 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
263 | ((AliTRDdigitizer &) d).fSDigitsScale = fSDigitsScale; | |
4487dad0 | 264 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
0c24ba98 | 265 | ((AliTRDdigitizer &) d).fSimpleSim = fSimpleSim; |
266 | ((AliTRDdigitizer &) d).fSimpleDet = fSimpleDet; | |
267 | ||
e23fbb27 | 268 | } |
269 | ||
e23fbb27 | 270 | //_____________________________________________________________________________ |
271 | void AliTRDdigitizer::Exec(Option_t* option) | |
272 | { | |
273 | // | |
274 | // Executes the merging | |
275 | // | |
276 | ||
277 | Int_t iInput; | |
278 | ||
279 | AliTRDdigitsManager *sdigitsManager; | |
280 | ||
281 | TString optionString = option; | |
282 | if (optionString.Contains("deb")) { | |
283 | fDebug = 1; | |
284 | if (optionString.Contains("2")) { | |
285 | fDebug = 2; | |
286 | } | |
287 | printf("<AliTRDdigitizer::Exec> "); | |
288 | printf("Called with debug option %d\n",fDebug); | |
289 | } | |
290 | ||
cec4059b | 291 | // The AliRoot file is already connected by the manager |
88cb7938 | 292 | AliRunLoader* inrl; |
293 | ||
294 | if (gAlice) | |
295 | { | |
4487dad0 | 296 | if (fDebug > 0) { |
297 | printf("<AliTRDdigitizer::Exec> "); | |
298 | printf("AliRun object found on file.\n"); | |
299 | } | |
88cb7938 | 300 | } |
4487dad0 | 301 | else { |
88cb7938 | 302 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
303 | inrl->LoadgAlice(); | |
304 | gAlice = inrl->GetAliRun(); | |
305 | if (!gAlice) | |
306 | { | |
307 | printf("<AliTRDdigitizer::Exec> "); | |
308 | printf("Could not find AliRun object.\n"); | |
309 | return; | |
310 | } | |
4487dad0 | 311 | } |
cec4059b | 312 | |
e23fbb27 | 313 | Int_t nInput = fManager->GetNinputs(); |
314 | fMasks = new Int_t[nInput]; | |
315 | for (iInput = 0; iInput < nInput; iInput++) { | |
316 | fMasks[iInput] = fManager->GetMask(iInput); | |
317 | } | |
e23fbb27 | 318 | |
319 | // Initialization | |
e23fbb27 | 320 | |
67c67368 | 321 | AliRunLoader* orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); |
322 | if (InitDetector()) { | |
323 | AliLoader* ogime = orl->GetLoader("TRDLoader"); | |
324 | ||
325 | TTree* tree = 0; | |
326 | if (fSDigits) | |
327 | { | |
328 | //if we produce SDigits | |
329 | tree = ogime->TreeS(); | |
330 | if (!tree) | |
331 | { | |
332 | ogime->MakeTree("S"); | |
333 | tree = ogime->TreeS(); | |
334 | } | |
335 | } | |
336 | else | |
337 | {//if we produce Digits | |
338 | tree = ogime->TreeD(); | |
339 | if (!tree) | |
340 | { | |
341 | ogime->MakeTree("D"); | |
342 | tree = ogime->TreeD(); | |
343 | } | |
344 | } | |
345 | MakeBranch(tree); | |
346 | } | |
347 | ||
e23fbb27 | 348 | for (iInput = 0; iInput < nInput; iInput++) { |
349 | ||
350 | if (fDebug > 0) { | |
351 | printf("<AliTRDdigitizer::Exec> "); | |
352 | printf("Add input stream %d\n",iInput); | |
353 | } | |
354 | ||
c57e2264 | 355 | // check if the input tree exists |
88cb7938 | 356 | inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
357 | AliLoader* gime = inrl->GetLoader("TRDLoader"); | |
358 | ||
359 | TTree * treees = gime->TreeS(); | |
360 | if (treees == 0x0) | |
361 | { | |
362 | if (gime->LoadSDigits()) | |
363 | { | |
364 | Error("Exec","Error Occured while loading S. Digits for input %d.",iInput); | |
365 | return; | |
366 | } | |
367 | treees = gime->TreeS(); | |
368 | } | |
369 | ||
370 | if (treees == 0x0) { | |
c57e2264 | 371 | printf("<AliTRDdigitizer::Exec> "); |
372 | printf("Input stream %d does not exist\n",iInput); | |
373 | return; | |
374 | } | |
375 | ||
e23fbb27 | 376 | // Read the s-digits via digits manager |
377 | sdigitsManager = new AliTRDdigitsManager(); | |
378 | sdigitsManager->SetDebug(fDebug); | |
379 | sdigitsManager->SetSDigits(kTRUE); | |
88cb7938 | 380 | |
381 | AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); | |
382 | AliLoader* gimme = rl->GetLoader("TRDLoader"); | |
383 | if (!gimme->TreeS()) gimme->LoadSDigits(); | |
384 | sdigitsManager->ReadDigits(gimme->TreeS()); | |
e23fbb27 | 385 | |
386 | // Add the s-digits to the input list | |
387 | AddSDigitsManager(sdigitsManager); | |
388 | ||
389 | } | |
390 | ||
391 | // Convert the s-digits to normal digits | |
392 | if (fDebug > 0) { | |
393 | printf("<AliTRDdigitizer::Exec> "); | |
394 | printf("Do the conversion\n"); | |
395 | } | |
396 | SDigits2Digits(); | |
397 | ||
398 | // Store the digits | |
399 | if (fDebug > 0) { | |
400 | printf("<AliTRDdigitizer::Exec> "); | |
401 | printf("Write the digits\n"); | |
402 | } | |
88cb7938 | 403 | |
e23fbb27 | 404 | fDigitsManager->WriteDigits(); |
88cb7938 | 405 | |
67c67368 | 406 | //Write parameters |
407 | orl->CdGAFile(); | |
bdbb05bb | 408 | if (!gFile->Get("TRDparameter")) GetParameter()->Write(); |
67c67368 | 409 | |
e23fbb27 | 410 | if (fDebug > 0) { |
411 | printf("<AliTRDdigitizer::Exec> "); | |
412 | printf("Done\n"); | |
413 | } | |
414 | ||
b1113c6b | 415 | DeleteSDigitsManager(); |
416 | ||
e23fbb27 | 417 | } |
418 | ||
f7336fa3 | 419 | //_____________________________________________________________________________ |
e23fbb27 | 420 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 421 | { |
422 | // | |
423 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
424 | // | |
425 | ||
426 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
88cb7938 | 427 | |
f540341d | 428 | |
e191bb57 | 429 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
f540341d | 430 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
431 | if (!fRunLoader) | |
e191bb57 | 432 | fRunLoader = AliRunLoader::Open(file,AliConfig::GetDefaultEventFolderName(), |
f540341d | 433 | "UPDATE"); |
88cb7938 | 434 | |
435 | if (!fRunLoader) | |
436 | { | |
437 | Error("Open","Can not open session for file %s.",file); | |
438 | return kFALSE; | |
439 | } | |
440 | ||
f540341d | 441 | if (!fRunLoader->GetAliRun()) fRunLoader->LoadgAlice(); |
88cb7938 | 442 | gAlice = fRunLoader->GetAliRun(); |
443 | ||
da581aea | 444 | if (gAlice) { |
e23fbb27 | 445 | if (fDebug > 0) { |
446 | printf("<AliTRDdigitizer::Open> "); | |
abaf1f1d | 447 | printf("AliRun object found on file.\n"); |
448 | } | |
da581aea | 449 | } |
450 | else { | |
e23fbb27 | 451 | printf("<AliTRDdigitizer::Open> "); |
da581aea | 452 | printf("Could not find AliRun object.\n"); |
453 | return kFALSE; | |
454 | } | |
f7336fa3 | 455 | |
456 | fEvent = nEvent; | |
457 | ||
458 | // Import the Trees for the event nEvent in the file | |
88cb7938 | 459 | fRunLoader->GetEvent(fEvent); |
460 | ||
461 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
462 | if (!loader) | |
463 | { | |
464 | Error("Open","Can not get TRD loader from Run Loader"); | |
465 | return kFALSE; | |
466 | } | |
467 | ||
abaf1f1d | 468 | if (InitDetector()) { |
88cb7938 | 469 | TTree* tree = 0; |
470 | if (fSDigits) | |
471 | { | |
472 | //if we produce SDigits | |
473 | tree = loader->TreeS(); | |
474 | if (!tree) | |
475 | { | |
476 | loader->MakeTree("S"); | |
477 | tree = loader->TreeS(); | |
478 | } | |
479 | } | |
480 | else | |
481 | {//if we produce Digits | |
88cb7938 | 482 | if (!tree) |
483 | { | |
484 | loader->MakeTree("D"); | |
485 | tree = loader->TreeD(); | |
486 | } | |
487 | } | |
488 | return MakeBranch(tree); | |
abaf1f1d | 489 | } |
490 | else { | |
491 | return kFALSE; | |
492 | } | |
793ff80c | 493 | |
494 | } | |
495 | ||
496 | //_____________________________________________________________________________ | |
497 | Bool_t AliTRDdigitizer::InitDetector() | |
498 | { | |
499 | // | |
500 | // Sets the pointer to the TRD detector and the geometry | |
501 | // | |
502 | ||
dd9a6ee3 | 503 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 504 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 505 | if (!fTRD) { |
506 | printf("<AliTRDdigitizer::InitDetector> "); | |
507 | printf("No TRD module found\n"); | |
508 | exit(1); | |
509 | } | |
dd9a6ee3 | 510 | if (fTRD->IsVersion() != 1) { |
e23fbb27 | 511 | printf("<AliTRDdigitizer::InitDetector> "); |
dd9a6ee3 | 512 | printf("TRD must be version 1 (slow simulator).\n"); |
513 | exit(1); | |
514 | } | |
515 | ||
516 | // Get the geometry | |
517 | fGeo = fTRD->GetGeometry(); | |
e23fbb27 | 518 | if (fDebug > 0) { |
519 | printf("<AliTRDdigitizer::InitDetector> "); | |
abaf1f1d | 520 | printf("Geometry version %d\n",fGeo->IsVersion()); |
521 | } | |
dd9a6ee3 | 522 | |
abaf1f1d | 523 | // Create a digits manager |
47b5729a | 524 | delete fDigitsManager; |
abaf1f1d | 525 | fDigitsManager = new AliTRDdigitsManager(); |
526 | fDigitsManager->SetSDigits(fSDigits); | |
527 | fDigitsManager->CreateArrays(); | |
528 | fDigitsManager->SetEvent(fEvent); | |
e23fbb27 | 529 | fDigitsManager->SetDebug(fDebug); |
abaf1f1d | 530 | |
531 | // The list for the input s-digits manager to be merged | |
47b5729a | 532 | if (fSDigitsManagerList) { |
533 | fSDigitsManagerList->Delete(); | |
534 | } else { | |
535 | fSDigitsManagerList = new TList(); | |
536 | } | |
abaf1f1d | 537 | |
4487dad0 | 538 | return kTRUE; |
f7336fa3 | 539 | |
540 | } | |
541 | ||
6244debe | 542 | //_____________________________________________________________________________ |
88cb7938 | 543 | Bool_t AliTRDdigitizer::MakeBranch(TTree* tree) const |
6244debe | 544 | { |
abaf1f1d | 545 | // |
546 | // Create the branches for the digits array | |
6244debe | 547 | // |
548 | ||
88cb7938 | 549 | return fDigitsManager->MakeBranch(tree); |
6244debe | 550 | |
551 | } | |
552 | ||
f7336fa3 | 553 | //_____________________________________________________________________________ |
554 | Bool_t AliTRDdigitizer::MakeDigits() | |
555 | { | |
556 | // | |
872a7aba | 557 | // Creates digits. |
f7336fa3 | 558 | // |
559 | ||
f7336fa3 | 560 | /////////////////////////////////////////////////////////////// |
561 | // Parameter | |
562 | /////////////////////////////////////////////////////////////// | |
563 | ||
564 | // Converts number of electrons to fC | |
872a7aba | 565 | const Double_t kEl2fC = 1.602E-19 * 1.0E15; |
f7336fa3 | 566 | |
567 | /////////////////////////////////////////////////////////////// | |
568 | ||
793ff80c | 569 | // Number of pads included in the pad response |
a5cadd36 | 570 | const Int_t kNpad = 3; |
793ff80c | 571 | |
572 | // Number of track dictionary arrays | |
a5cadd36 | 573 | const Int_t kNDict = AliTRDdigitsManager::kNDict; |
793ff80c | 574 | |
872a7aba | 575 | // Half the width of the amplification region |
576 | const Float_t kAmWidth = AliTRDgeometry::AmThick() / 2.; | |
ccb4315c | 577 | // Width of the drit region |
578 | const Float_t kDrWidth = AliTRDgeometry::DrThick(); | |
872a7aba | 579 | |
a5cadd36 | 580 | Int_t iRow, iCol, iTime, iPad; |
581 | Int_t iDict = 0; | |
582 | Int_t nBytes = 0; | |
f7336fa3 | 583 | |
a5cadd36 | 584 | Int_t totalSizeDigits = 0; |
585 | Int_t totalSizeDict0 = 0; | |
586 | Int_t totalSizeDict1 = 0; | |
587 | Int_t totalSizeDict2 = 0; | |
f7336fa3 | 588 | |
a5cadd36 | 589 | Int_t timeBinTRFend = 1; |
872a7aba | 590 | |
a5cadd36 | 591 | Double_t pos[3]; |
592 | Double_t rot[3]; | |
593 | Double_t xyz[3]; | |
594 | Double_t padSignal[kNpad]; | |
595 | Double_t signalOld[kNpad]; | |
872a7aba | 596 | |
a5cadd36 | 597 | AliTRDdataArrayF *signals = 0; |
598 | AliTRDdataArrayI *digits = 0; | |
8230f242 | 599 | AliTRDdataArrayI *dictionary[kNDict]; |
da581aea | 600 | |
a5cadd36 | 601 | AliTRDpadPlane *padPlane = 0; |
602 | ||
4487dad0 | 603 | // Create a default parameter class if none is defined |
604 | if (!fPar) { | |
605 | fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter"); | |
606 | if (fDebug > 0) { | |
607 | printf("<AliTRDdigitizer::MakeDigits> "); | |
608 | printf("Create the default parameter object\n"); | |
609 | } | |
610 | } | |
611 | ||
793ff80c | 612 | // Create a container for the amplitudes |
613 | AliTRDsegmentArray *signalsArray | |
e23fbb27 | 614 | = new AliTRDsegmentArray("AliTRDdataArrayF" |
615 | ,AliTRDgeometry::Ndet()); | |
793ff80c | 616 | |
4487dad0 | 617 | if (fPar->TRFOn()) { |
ccb4315c | 618 | timeBinTRFend = ((Int_t) ( fPar->GetTRFhi() * fPar->GetSamplingFrequency())) - 1; |
e23fbb27 | 619 | if (fDebug > 0) { |
620 | printf("<AliTRDdigitizer::MakeDigits> "); | |
ccb4315c | 621 | printf("Sample the TRF up to bin %d\n",timeBinTRFend); |
abaf1f1d | 622 | } |
da581aea | 623 | } |
624 | ||
4487dad0 | 625 | Float_t elAttachProp = fPar->GetElAttachProp() / 100.; |
793ff80c | 626 | |
872a7aba | 627 | if (!fGeo) { |
e23fbb27 | 628 | printf("<AliTRDdigitizer::MakeDigits> "); |
872a7aba | 629 | printf("No geometry defined\n"); |
630 | return kFALSE; | |
631 | } | |
632 | ||
e23fbb27 | 633 | if (fDebug > 0) { |
634 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 635 | printf("Start creating digits.\n"); |
636 | } | |
872a7aba | 637 | |
88cb7938 | 638 | AliLoader* gimme = fRunLoader->GetLoader("TRDLoader"); |
639 | if (!gimme->TreeH()) gimme->LoadHits(); | |
640 | TTree* hitTree = gimme->TreeH(); | |
641 | if (hitTree == 0x0) | |
642 | { | |
643 | Error("MakeDigits","Can not get TreeH"); | |
644 | return kFALSE; | |
645 | } | |
646 | fTRD->SetTreeAddress(); | |
647 | ||
793ff80c | 648 | // Get the number of entries in the hit tree |
649 | // (Number of primary particles creating a hit somewhere) | |
0c24ba98 | 650 | Int_t nTrack = 1; |
651 | if (!fSimpleSim) { | |
652 | nTrack = (Int_t) hitTree->GetEntries(); | |
653 | if (fDebug > 0) { | |
654 | printf("<AliTRDdigitizer::MakeDigits> "); | |
655 | printf("Found %d primary particles\n",nTrack); | |
656 | } | |
657 | } | |
793ff80c | 658 | |
659 | Int_t detectorOld = -1; | |
660 | Int_t countHits = 0; | |
661 | ||
a328fff9 | 662 | if (fDebug > 0) { |
ccb4315c | 663 | fPar->PrintDriftVelocity(); |
664 | printf("<AliTRDdigitizer::MakeDigits> Sampling = %.0fMHz\n", fPar->GetSamplingFrequency()); | |
665 | printf("<AliTRDdigitizer::MakeDigits> Gain = %d\n",(Int_t)fPar->GetGasGain()); | |
666 | printf("<AliTRDdigitizer::MakeDigits> Noise = %d\n",(Int_t)fPar->GetNoise()); | |
a328fff9 | 667 | if (fPar->TimeStructOn()) { |
668 | printf("<AliTRDdigitizer::MakeDigits> "); | |
669 | printf("Time Structure of drift cells implemented.\n"); | |
a328fff9 | 670 | } else { |
671 | printf("<AliTRDdigitizer::MakeDigits> "); | |
672 | printf("Constant drift velocity in drift cells.\n"); | |
673 | } | |
674 | } | |
675 | ||
793ff80c | 676 | // Loop through all entries in the tree |
677 | for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) { | |
678 | ||
0c24ba98 | 679 | if (!fSimpleSim) { |
680 | gAlice->ResetHits(); | |
681 | nBytes += hitTree->GetEvent(iTrack); | |
682 | } | |
793ff80c | 683 | |
e23fbb27 | 684 | // Loop through the TRD hits |
685 | Int_t iHit = 0; | |
686 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
687 | while (hit) { | |
688 | ||
793ff80c | 689 | countHits++; |
e23fbb27 | 690 | iHit++; |
691 | ||
ccb4315c | 692 | pos[0] = hit->X(); |
693 | pos[1] = hit->Y(); | |
694 | pos[2] = hit->Z(); | |
695 | Float_t q = hit->GetCharge(); | |
696 | Int_t track = hit->Track(); | |
697 | Int_t detector = hit->GetDetector(); | |
698 | Int_t plane = fGeo->GetPlane(detector); | |
699 | Int_t sector = fGeo->GetSector(detector); | |
700 | Int_t chamber = fGeo->GetChamber(detector); | |
ccb4315c | 701 | Int_t nTimeMax = fPar->GetTimeMax(); |
702 | Int_t nTimeBefore = fPar->GetTimeBefore(); | |
703 | Int_t nTimeAfter = fPar->GetTimeAfter(); | |
704 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
ccb4315c | 705 | Float_t time0 = fPar->GetTime0(plane); |
ccb4315c | 706 | Float_t driftvelocity = fPar->GetDriftVelocity(); |
707 | Float_t samplingRate = fPar->GetSamplingFrequency(); | |
a5cadd36 | 708 | |
709 | padPlane = fPar->GetPadPlane(plane,chamber); | |
710 | Float_t row0 = padPlane->GetRow0(); | |
711 | Float_t col0 = padPlane->GetCol0(); | |
712 | Int_t nRowMax = padPlane->GetNrows(); | |
713 | Int_t nColMax = padPlane->GetNcols(); | |
793ff80c | 714 | |
e23fbb27 | 715 | if (fDebug > 1) { |
793ff80c | 716 | printf("Analyze hit no. %d ",iHit); |
717 | printf("-----------------------------------------------------------\n"); | |
718 | hit->Dump(); | |
719 | printf("plane = %d, sector = %d, chamber = %d\n" | |
720 | ,plane,sector,chamber); | |
721 | printf("nRowMax = %d, nColMax = %d, nTimeMax = %d\n" | |
722 | ,nRowMax,nColMax,nTimeMax); | |
872a7aba | 723 | printf("nTimeBefore = %d, nTimeAfter = %d, nTimeTotal = %d\n" |
724 | ,nTimeBefore,nTimeAfter,nTimeTotal); | |
793ff80c | 725 | printf("row0 = %f, col0 = %f, time0 = %f\n" |
726 | ,row0,col0,time0); | |
a5cadd36 | 727 | printf("samplingRate = %f\n" |
728 | ,samplingRate); | |
793ff80c | 729 | } |
730 | ||
e23fbb27 | 731 | // Don't analyze test hits and switched off detectors |
732 | if ((CheckDetector(plane,chamber,sector)) && | |
733 | (((Int_t) q) != 0)) { | |
dd56b762 | 734 | |
e23fbb27 | 735 | if (detector != detectorOld) { |
e153aaf6 | 736 | |
e23fbb27 | 737 | if (fDebug > 1) { |
738 | printf("<AliTRDdigitizer::MakeDigits> "); | |
739 | printf("Get new container. New det = %d, Old det = %d\n" | |
740 | ,detector,detectorOld); | |
dd9a6ee3 | 741 | } |
e23fbb27 | 742 | // Compress the old one if enabled |
743 | if ((fCompress) && (detectorOld > -1)) { | |
744 | if (fDebug > 1) { | |
745 | printf("<AliTRDdigitizer::MakeDigits> "); | |
746 | printf("Compress the old container ..."); | |
747 | } | |
748 | signals->Compress(1,0); | |
749 | for (iDict = 0; iDict < kNDict; iDict++) { | |
750 | dictionary[iDict]->Compress(1,0); | |
c1e4b257 | 751 | } |
e23fbb27 | 752 | if (fDebug > 1) printf("done\n"); |
793ff80c | 753 | } |
e23fbb27 | 754 | // Get the new container |
755 | signals = (AliTRDdataArrayF *) signalsArray->At(detector); | |
756 | if (signals->GetNtime() == 0) { | |
757 | // Allocate a new one if not yet existing | |
758 | if (fDebug > 1) { | |
759 | printf("<AliTRDdigitizer::MakeDigits> "); | |
760 | printf("Allocate a new container ... "); | |
761 | } | |
762 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
793ff80c | 763 | } |
0c24ba98 | 764 | else if (fSimpleSim) { |
765 | // Clear an old one for the simple simulation | |
766 | if (fDebug > 1) { | |
767 | printf("<AliTRDdigitizer::MakeDigits> "); | |
768 | printf("Clear a old container ... "); | |
769 | } | |
770 | signals->Clear(); | |
771 | } | |
793ff80c | 772 | else { |
e23fbb27 | 773 | // Expand an existing one |
774 | if (fCompress) { | |
775 | if (fDebug > 1) { | |
776 | printf("<AliTRDdigitizer::MakeDigits> "); | |
777 | printf("Expand an existing container ... "); | |
778 | } | |
779 | signals->Expand(); | |
780 | } | |
793ff80c | 781 | } |
e23fbb27 | 782 | // The same for the dictionary |
0c24ba98 | 783 | if (!fSimpleSim) { |
784 | for (iDict = 0; iDict < kNDict; iDict++) { | |
785 | dictionary[iDict] = fDigitsManager->GetDictionary(detector,iDict); | |
786 | if (dictionary[iDict]->GetNtime() == 0) { | |
787 | dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
788 | } | |
789 | else { | |
790 | if (fCompress) dictionary[iDict]->Expand(); | |
791 | } | |
e23fbb27 | 792 | } |
793 | } | |
794 | if (fDebug > 1) printf("done\n"); | |
795 | detectorOld = detector; | |
793ff80c | 796 | } |
797 | ||
e23fbb27 | 798 | // Rotate the sectors on top of each other |
0c24ba98 | 799 | if (fSimpleSim) { |
800 | rot[0] = pos[0]; | |
801 | rot[1] = pos[1]; | |
802 | rot[2] = pos[2]; | |
803 | } | |
804 | else { | |
805 | fGeo->Rotate(detector,pos,rot); | |
806 | } | |
e23fbb27 | 807 | |
ccb4315c | 808 | // The driftlength. It is negative if the hit is between pad plane and anode wires. |
a5cadd36 | 809 | Double_t driftlength = time0 - rot[0]; |
e23fbb27 | 810 | |
ccb4315c | 811 | // Normalised drift length |
a5cadd36 | 812 | Double_t absdriftlength = TMath::Abs(driftlength); |
ccb4315c | 813 | if (fPar->ExBOn()) absdriftlength /= TMath::Sqrt(fPar->GetLorentzFactor()); |
e23fbb27 | 814 | |
815 | // Loop over all electrons of this hit | |
816 | // TR photons produce hits with negative charge | |
817 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
818 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
819 | ||
820 | xyz[0] = rot[0]; | |
821 | xyz[1] = rot[1]; | |
822 | xyz[2] = rot[2]; | |
823 | ||
a328fff9 | 824 | // Stupid patch to take care of TR photons that are absorbed |
825 | // outside the chamber volume. A real fix would actually need | |
826 | // a more clever implementation of the TR hit generation | |
81a6930e | 827 | if (q < 0.0) { |
a5cadd36 | 828 | if ((xyz[2] < padPlane->GetRowEnd()) || |
829 | (xyz[2] > padPlane->GetRow0())) { | |
81a6930e | 830 | if (iEl == 0) { |
831 | printf("<AliTRDdigitizer::MakeDigits> "); | |
a5cadd36 | 832 | printf("Hit outside of sensitive volume, row (z=%f, row0=%f, rowE=%f)\n" |
833 | ,xyz[2],padPlane->GetRow0(),padPlane->GetRowEnd()); | |
81a6930e | 834 | } |
835 | continue; | |
a328fff9 | 836 | } |
ccb4315c | 837 | Float_t tt = driftlength + kAmWidth; |
838 | if (tt < 0.0 || tt > kDrWidth + 2.*kAmWidth) { | |
81a6930e | 839 | if (iEl == 0) { |
840 | printf("<AliTRDdigitizer::MakeDigits> "); | |
841 | printf("Hit outside of sensitive volume, time (Q = %d)\n",((Int_t) q)); | |
842 | } | |
843 | continue; | |
a328fff9 | 844 | } |
a328fff9 | 845 | } |
846 | ||
e23fbb27 | 847 | // Electron attachment |
4487dad0 | 848 | if (fPar->ElAttachOn()) { |
ccb4315c | 849 | if (gRandom->Rndm() < (absdriftlength * elAttachProp)) continue; |
81a6930e | 850 | } |
e23fbb27 | 851 | |
852 | // Apply the diffusion smearing | |
4487dad0 | 853 | if (fPar->DiffusionOn()) { |
ccb4315c | 854 | if (!(fPar->Diffusion(absdriftlength,xyz))) continue; |
e23fbb27 | 855 | } |
f7336fa3 | 856 | |
e23fbb27 | 857 | // Apply E x B effects (depends on drift direction) |
4487dad0 | 858 | if (fPar->ExBOn()) { |
ccb4315c | 859 | if (!(fPar->ExB(driftlength,xyz))) continue; |
a328fff9 | 860 | } |
861 | ||
ccb4315c | 862 | // The electron position after diffusion and ExB in pad coordinates. |
e23fbb27 | 863 | // The pad row (z-direction) |
a5cadd36 | 864 | Int_t rowE = padPlane->GetPadRowNumber(xyz[2]); |
865 | if (rowE < 0) continue; | |
866 | Double_t rowOffset = padPlane->GetPadRowOffset(rowE,xyz[2]); | |
e23fbb27 | 867 | |
868 | // The pad column (rphi-direction) | |
de4b10e5 | 869 | Float_t offsetTilt = padPlane->GetTiltOffset(rowOffset); // MI change |
870 | Int_t colE = padPlane->GetPadColNumber(xyz[1]+offsetTilt,rowOffset); | |
871 | if (colE < 0) continue; | |
872 | Double_t colOffset = padPlane->GetPadColOffset(colE,xyz[1]+offsetTilt); | |
ccb4315c | 873 | |
874 | // Convert the position to drift time, using either constant drift velocity or | |
875 | // time structure of drift cells (non-isochronity, GARFIELD calculation). | |
a5cadd36 | 876 | Double_t drifttime; |
ccb4315c | 877 | if (fPar->TimeStructOn()) { |
878 | // Get z-position with respect to anode wire: | |
a5cadd36 | 879 | //Double_t Z = xyz[2] - row0 + fPar->GetAnodeWireOffset(); |
880 | Double_t Z = row0 - xyz[2] + fPar->GetAnodeWireOffset(); | |
ccb4315c | 881 | Z -= ((Int_t)(2*Z))/2.; |
882 | if (Z>0.25) Z = 0.5-Z; | |
883 | // use drift time map (GARFIELD) | |
884 | drifttime = fPar->TimeStruct(time0 - xyz[0] + kAmWidth, Z); | |
a5cadd36 | 885 | } |
886 | else { | |
ccb4315c | 887 | // use constant drift velocity |
888 | drifttime = TMath::Abs(time0 - xyz[0]) / driftvelocity; | |
e23fbb27 | 889 | } |
ccb4315c | 890 | |
891 | // The time bin (always positive) | |
a5cadd36 | 892 | Int_t timeE = ((Int_t) (drifttime * samplingRate)); |
ccb4315c | 893 | // The distance of the position to the middle of the timebin |
a5cadd36 | 894 | Double_t timeOffset = ((((Float_t) timeE) + 0.5) / samplingRate) - drifttime; |
872a7aba | 895 | |
e23fbb27 | 896 | // Apply the gas gain including fluctuations |
a5cadd36 | 897 | Double_t ggRndm = 0.0; |
e23fbb27 | 898 | do { |
899 | ggRndm = gRandom->Rndm(); | |
900 | } while (ggRndm <= 0); | |
4487dad0 | 901 | Int_t signal = (Int_t) (-fPar->GetGasGain() * TMath::Log(ggRndm)); |
e23fbb27 | 902 | |
903 | // Apply the pad response | |
4487dad0 | 904 | if (fPar->PRFOn()) { |
e23fbb27 | 905 | // The distance of the electron to the center of the pad |
906 | // in units of pad width | |
a5cadd36 | 907 | //Double_t dist = - colOffset / padPlane->GetColSize(colE); |
421b93ae | 908 | Double_t dist = (0.5 * padPlane->GetColSize(colE) - colOffset) |
a5cadd36 | 909 | / padPlane->GetColSize(colE); |
4487dad0 | 910 | if (!(fPar->PadResponse(signal,dist,plane,padSignal))) continue; |
793ff80c | 911 | } |
e23fbb27 | 912 | else { |
913 | padSignal[0] = 0.0; | |
914 | padSignal[1] = signal; | |
915 | padSignal[2] = 0.0; | |
916 | } | |
917 | ||
918 | // Sample the time response inside the drift region | |
919 | // + additional time bins before and after. | |
920 | // The sampling is done always in the middle of the time bin | |
ccb4315c | 921 | for (Int_t iTimeBin = TMath::Max(timeE,-nTimeBefore) ; |
922 | iTimeBin < TMath::Min(timeE+timeBinTRFend,nTimeMax+nTimeAfter ) ; | |
923 | iTimeBin++ ) { | |
e23fbb27 | 924 | |
925 | // Apply the time response | |
a5cadd36 | 926 | Double_t timeResponse = 1.0; |
927 | Double_t crossTalk = 0.0; | |
928 | Double_t time = (iTimeBin - timeE) / samplingRate + timeOffset; | |
4487dad0 | 929 | if (fPar->TRFOn()) { |
930 | timeResponse = fPar->TimeResponse(time); | |
e23fbb27 | 931 | } |
4487dad0 | 932 | if (fPar->CTOn()) { |
933 | crossTalk = fPar->CrossTalk(time); | |
e23fbb27 | 934 | } |
935 | ||
936 | signalOld[0] = 0.0; | |
937 | signalOld[1] = 0.0; | |
938 | signalOld[2] = 0.0; | |
f7336fa3 | 939 | |
e23fbb27 | 940 | for (iPad = 0; iPad < kNpad; iPad++) { |
941 | ||
942 | Int_t colPos = colE + iPad - 1; | |
943 | if (colPos < 0) continue; | |
944 | if (colPos >= nColMax) break; | |
945 | ||
946 | // Add the signals | |
947 | // Note: The time bin number is shifted by nTimeBefore to avoid negative | |
948 | // time bins. This has to be subtracted later. | |
949 | Int_t iCurrentTimeBin = iTimeBin + nTimeBefore; | |
950 | signalOld[iPad] = signals->GetDataUnchecked(rowE,colPos,iCurrentTimeBin); | |
951 | if( colPos != colE ) { | |
952 | signalOld[iPad] += padSignal[iPad] * (timeResponse + crossTalk); | |
953 | } | |
954 | else { | |
955 | signalOld[iPad] += padSignal[iPad] * timeResponse; | |
956 | } | |
957 | signals->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,signalOld[iPad]); | |
958 | ||
959 | // Store the track index in the dictionary | |
960 | // Note: We store index+1 in order to allow the array to be compressed | |
0c24ba98 | 961 | if ((signalOld[iPad] > 0) && (!fSimpleSim)) { |
e23fbb27 | 962 | for (iDict = 0; iDict < kNDict; iDict++) { |
963 | Int_t oldTrack = dictionary[iDict]->GetDataUnchecked(rowE | |
964 | ,colPos | |
965 | ,iCurrentTimeBin); | |
966 | if (oldTrack == track+1) break; | |
967 | if (oldTrack == 0) { | |
968 | dictionary[iDict]->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,track+1); | |
969 | break; | |
970 | } | |
71d9fa7b | 971 | } |
972 | } | |
872a7aba | 973 | |
e23fbb27 | 974 | } // Loop: pads |
f7336fa3 | 975 | |
e23fbb27 | 976 | } // Loop: time bins |
f7336fa3 | 977 | |
e23fbb27 | 978 | } // Loop: electrons of a single hit |
f7336fa3 | 979 | |
e23fbb27 | 980 | } // If: detector and test hit |
f7336fa3 | 981 | |
e23fbb27 | 982 | hit = (AliTRDhit *) fTRD->NextHit(); |
f7336fa3 | 983 | |
e23fbb27 | 984 | } // Loop: hits of one primary track |
985 | ||
986 | } // Loop: primary tracks | |
987 | ||
988 | if (fDebug > 0) { | |
989 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 990 | printf("Finished analyzing %d hits\n",countHits); |
991 | } | |
793ff80c | 992 | |
0c24ba98 | 993 | // The coupling factor |
a5cadd36 | 994 | Double_t coupling = fPar->GetPadCoupling() |
995 | * fPar->GetTimeCoupling(); | |
0c24ba98 | 996 | |
997 | // The conversion factor | |
a5cadd36 | 998 | Double_t convert = kEl2fC |
999 | * fPar->GetChipGain(); | |
6244debe | 1000 | |
793ff80c | 1001 | // Loop through all chambers to finalize the digits |
0c24ba98 | 1002 | Int_t iDetBeg = 0; |
1003 | Int_t iDetEnd = AliTRDgeometry::Ndet(); | |
1004 | if (fSimpleSim) { | |
1005 | iDetBeg = fSimpleDet; | |
1006 | iDetEnd = iDetBeg + 1; | |
1007 | } | |
1008 | for (Int_t iDet = iDetBeg; iDet < iDetEnd; iDet++) { | |
793ff80c | 1009 | |
872a7aba | 1010 | Int_t plane = fGeo->GetPlane(iDet); |
1011 | Int_t sector = fGeo->GetSector(iDet); | |
1012 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1013 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1014 | Int_t nColMax = fPar->GetColMax(plane); | |
1015 | Int_t nTimeMax = fPar->GetTimeMax(); | |
1016 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
793ff80c | 1017 | |
e23fbb27 | 1018 | Double_t *inADC = new Double_t[nTimeTotal]; |
1019 | Double_t *outADC = new Double_t[nTimeTotal]; | |
1020 | ||
1021 | if (fDebug > 0) { | |
1022 | printf("<AliTRDdigitizer::MakeDigits> "); | |
793ff80c | 1023 | printf("Digitization for chamber %d\n",iDet); |
1024 | } | |
da581aea | 1025 | |
793ff80c | 1026 | // Add a container for the digits of this detector |
abaf1f1d | 1027 | digits = fDigitsManager->GetDigits(iDet); |
793ff80c | 1028 | // Allocate memory space for the digits buffer |
0c24ba98 | 1029 | if (digits->GetNtime() == 0) { |
1030 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1031 | } | |
1032 | else if (fSimpleSim) { | |
1033 | digits->Clear(); | |
1034 | } | |
1035 | ||
793ff80c | 1036 | // Get the signal container |
1037 | signals = (AliTRDdataArrayF *) signalsArray->At(iDet); | |
1038 | if (signals->GetNtime() == 0) { | |
1039 | // Create missing containers | |
872a7aba | 1040 | signals->Allocate(nRowMax,nColMax,nTimeTotal); |
793ff80c | 1041 | } |
1042 | else { | |
1043 | // Expand the container if neccessary | |
1044 | if (fCompress) signals->Expand(); | |
1045 | } | |
1046 | // Create the missing dictionary containers | |
0c24ba98 | 1047 | if (!fSimpleSim) { |
1048 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1049 | dictionary[iDict] = fDigitsManager->GetDictionary(iDet,iDict); | |
1050 | if (dictionary[iDict]->GetNtime() == 0) { | |
1051 | dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
1052 | } | |
1053 | } | |
793ff80c | 1054 | } |
f7336fa3 | 1055 | |
793ff80c | 1056 | Int_t nDigits = 0; |
1057 | ||
6244debe | 1058 | // Don't create noise in detectors that are switched off |
1059 | if (CheckDetector(plane,chamber,sector)) { | |
1060 | ||
1061 | // Create the digits for this chamber | |
872a7aba | 1062 | for (iRow = 0; iRow < nRowMax; iRow++ ) { |
1063 | for (iCol = 0; iCol < nColMax; iCol++ ) { | |
6244debe | 1064 | |
e23fbb27 | 1065 | // Create summable digits |
1066 | if (fSDigits) { | |
6244debe | 1067 | |
e23fbb27 | 1068 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
872a7aba | 1069 | Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); |
abaf1f1d | 1070 | signalAmp *= fSDigitsScale; |
e23fbb27 | 1071 | signalAmp = TMath::Min(signalAmp,(Float_t) 1.0e9); |
abaf1f1d | 1072 | Int_t adc = (Int_t) signalAmp; |
4487dad0 | 1073 | if (adc > 0) nDigits++; |
872a7aba | 1074 | digits->SetDataUnchecked(iRow,iCol,iTime,adc); |
c1e4b257 | 1075 | } |
6244debe | 1076 | |
e23fbb27 | 1077 | } |
1078 | // Create normal digits | |
1079 | else { | |
6244debe | 1080 | |
e23fbb27 | 1081 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
1082 | Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); | |
0c24ba98 | 1083 | // Pad and time coupling |
1084 | signalAmp *= coupling; | |
7e582e9f | 1085 | // Add the noise, starting from minus ADC baseline in electrons |
1086 | Double_t baselineEl = fPar->GetADCbaseline() * (fPar->GetADCinRange() | |
1087 | / fPar->GetADCoutRange()) | |
1088 | / convert; | |
1089 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,fPar->GetNoise()) | |
1090 | ,-baselineEl); | |
6244debe | 1091 | // Convert to mV |
1092 | signalAmp *= convert; | |
7e582e9f | 1093 | // Add ADC baseline in mV |
1094 | signalAmp += fPar->GetADCbaseline() * (fPar->GetADCinRange() | |
1095 | / fPar->GetADCoutRange()); | |
1096 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
6244debe | 1097 | // signal is larger than fADCinRange |
1098 | Int_t adc = 0; | |
4487dad0 | 1099 | if (signalAmp >= fPar->GetADCinRange()) { |
1100 | adc = ((Int_t) fPar->GetADCoutRange()); | |
6244debe | 1101 | } |
1102 | else { | |
4487dad0 | 1103 | adc = ((Int_t) (signalAmp * (fPar->GetADCoutRange() |
1104 | / fPar->GetADCinRange()))); | |
6244debe | 1105 | } |
e23fbb27 | 1106 | inADC[iTime] = adc; |
1107 | outADC[iTime] = adc; | |
1108 | } | |
6244debe | 1109 | |
e23fbb27 | 1110 | // Apply the tail cancelation via the digital filter |
4487dad0 | 1111 | if (fPar->TCOn()) { |
1112 | DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp()); | |
e23fbb27 | 1113 | } |
1114 | ||
1115 | for (iTime = 0; iTime < nTimeTotal; iTime++) { | |
6244debe | 1116 | // Store the amplitude of the digit if above threshold |
4487dad0 | 1117 | if (outADC[iTime] > fPar->GetADCthreshold()) { |
e23fbb27 | 1118 | if (fDebug > 2) { |
1119 | printf(" iRow = %d, iCol = %d, iTime = %d, adc = %f\n" | |
1120 | ,iRow,iCol,iTime,outADC[iTime]); | |
6244debe | 1121 | } |
1122 | nDigits++; | |
3583ac1a | 1123 | digits->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); |
6244debe | 1124 | } |
6244debe | 1125 | } |
1126 | ||
1127 | } | |
e23fbb27 | 1128 | |
6244debe | 1129 | } |
793ff80c | 1130 | } |
6244debe | 1131 | |
793ff80c | 1132 | } |
1133 | ||
1134 | // Compress the arrays | |
0c24ba98 | 1135 | if (!fSimpleSim) { |
1136 | digits->Compress(1,0); | |
1137 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1138 | dictionary[iDict]->Compress(1,0); | |
1139 | } | |
f7336fa3 | 1140 | |
0c24ba98 | 1141 | totalSizeDigits += digits->GetSize(); |
1142 | totalSizeDict0 += dictionary[0]->GetSize(); | |
1143 | totalSizeDict1 += dictionary[1]->GetSize(); | |
1144 | totalSizeDict2 += dictionary[2]->GetSize(); | |
f7336fa3 | 1145 | |
0c24ba98 | 1146 | Float_t nPixel = nRowMax * nColMax * nTimeMax; |
1147 | if (fDebug > 0) { | |
1148 | printf("<AliTRDdigitizer::MakeDigits> "); | |
1149 | printf("Found %d digits in detector %d (%3.0f).\n" | |
1150 | ,nDigits,iDet | |
1151 | ,100.0 * ((Float_t) nDigits) / nPixel); | |
1152 | } | |
1153 | ||
1154 | if (fCompress) signals->Compress(1,0); | |
abaf1f1d | 1155 | |
0c24ba98 | 1156 | } |
f7336fa3 | 1157 | |
e23fbb27 | 1158 | delete [] inADC; |
1159 | delete [] outADC; | |
1160 | ||
f7336fa3 | 1161 | } |
1162 | ||
0c24ba98 | 1163 | if (signalsArray) { |
1164 | delete signalsArray; | |
1165 | signalsArray = 0; | |
1166 | } | |
1167 | ||
e23fbb27 | 1168 | if (fDebug > 0) { |
1169 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 1170 | printf("Total number of analyzed hits = %d\n",countHits); |
0c24ba98 | 1171 | if (!fSimpleSim) { |
1172 | printf("<AliTRDdigitizer::MakeDigits> "); | |
1173 | printf("Total digits data size = %d, %d, %d, %d\n",totalSizeDigits | |
1174 | ,totalSizeDict0 | |
1175 | ,totalSizeDict1 | |
1176 | ,totalSizeDict2); | |
1177 | } | |
abaf1f1d | 1178 | } |
1179 | ||
1180 | return kTRUE; | |
1181 | ||
1182 | } | |
1183 | ||
1184 | //_____________________________________________________________________________ | |
1185 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
1186 | { | |
1187 | // | |
1188 | // Add a digits manager for s-digits to the input list. | |
1189 | // | |
1190 | ||
1191 | fSDigitsManagerList->Add(man); | |
1192 | ||
1193 | } | |
1194 | ||
b1113c6b | 1195 | //_____________________________________________________________________________ |
1196 | void AliTRDdigitizer::DeleteSDigitsManager() | |
1197 | { | |
1198 | // | |
1199 | // Removes digits manager from the input list. | |
1200 | // | |
1201 | ||
1202 | fSDigitsManagerList->Delete(); | |
1203 | ||
1204 | } | |
1205 | ||
abaf1f1d | 1206 | //_____________________________________________________________________________ |
1207 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1208 | { | |
1209 | // | |
1210 | // Converts s-digits to normal digits | |
1211 | // | |
1212 | ||
1213 | // Number of track dictionary arrays | |
1214 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1215 | ||
1216 | // Converts number of electrons to fC | |
1217 | const Double_t kEl2fC = 1.602E-19 * 1.0E15; | |
1218 | ||
1219 | Int_t iDict = 0; | |
e23fbb27 | 1220 | Int_t iRow; |
1221 | Int_t iCol; | |
1222 | Int_t iTime; | |
abaf1f1d | 1223 | |
4487dad0 | 1224 | if (!fPar) { |
1225 | fPar = new AliTRDparameter("TRDparameter","Standard parameter"); | |
1226 | if (fDebug > 0) { | |
1227 | printf("<AliTRDdigitizer::ConvertSDigits> "); | |
1228 | printf("Create the default parameter object\n"); | |
1229 | } | |
abaf1f1d | 1230 | } |
1231 | ||
1232 | Double_t sDigitsScale = 1.0 / GetSDigitsScale(); | |
4487dad0 | 1233 | Double_t noise = fPar->GetNoise(); |
1234 | Double_t padCoupling = fPar->GetPadCoupling(); | |
1235 | Double_t timeCoupling = fPar->GetTimeCoupling(); | |
1236 | Double_t chipGain = fPar->GetChipGain(); | |
0c24ba98 | 1237 | Double_t coupling = padCoupling * timeCoupling; |
1238 | Double_t convert = kEl2fC * chipGain; | |
4487dad0 | 1239 | Double_t adcInRange = fPar->GetADCinRange(); |
1240 | Double_t adcOutRange = fPar->GetADCoutRange(); | |
1241 | Int_t adcThreshold = fPar->GetADCthreshold(); | |
7e582e9f | 1242 | Int_t adcBaseline = fPar->GetADCbaseline(); |
abaf1f1d | 1243 | |
1244 | AliTRDdataArrayI *digitsIn; | |
1245 | AliTRDdataArrayI *digitsOut; | |
1246 | AliTRDdataArrayI *dictionaryIn[kNDict]; | |
1247 | AliTRDdataArrayI *dictionaryOut[kNDict]; | |
1248 | ||
1249 | // Loop through the detectors | |
1250 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
da581aea | 1251 | |
e23fbb27 | 1252 | if (fDebug > 0) { |
1253 | printf("<AliTRDdigitizer::ConvertSDigits> "); | |
abaf1f1d | 1254 | printf("Convert detector %d to digits.\n",iDet); |
1255 | } | |
1256 | ||
1257 | Int_t plane = fGeo->GetPlane(iDet); | |
1258 | Int_t sector = fGeo->GetSector(iDet); | |
1259 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1260 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1261 | Int_t nColMax = fPar->GetColMax(plane); | |
1262 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
abaf1f1d | 1263 | |
e23fbb27 | 1264 | Double_t *inADC = new Double_t[nTimeTotal]; |
1265 | Double_t *outADC = new Double_t[nTimeTotal]; | |
1266 | ||
abaf1f1d | 1267 | digitsIn = fSDigitsManager->GetDigits(iDet); |
1268 | digitsIn->Expand(); | |
1269 | digitsOut = fDigitsManager->GetDigits(iDet); | |
1270 | digitsOut->Allocate(nRowMax,nColMax,nTimeTotal); | |
1271 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1272 | dictionaryIn[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); | |
1273 | dictionaryIn[iDict]->Expand(); | |
1274 | dictionaryOut[iDict] = fDigitsManager->GetDictionary(iDet,iDict); | |
1275 | dictionaryOut[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
1276 | } | |
1277 | ||
e23fbb27 | 1278 | for (iRow = 0; iRow < nRowMax; iRow++ ) { |
1279 | for (iCol = 0; iCol < nColMax; iCol++ ) { | |
abaf1f1d | 1280 | |
e23fbb27 | 1281 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
abaf1f1d | 1282 | Double_t signal = (Double_t) digitsIn->GetDataUnchecked(iRow,iCol,iTime); |
1283 | signal *= sDigitsScale; | |
0c24ba98 | 1284 | // Pad and time coupling |
1285 | signal *= coupling; | |
7e582e9f | 1286 | // Add the noise, starting from minus ADC baseline in electrons |
1287 | Double_t baselineEl = adcBaseline * (adcInRange / adcOutRange) / convert; | |
1288 | signal = TMath::Max((Double_t) gRandom->Gaus(signal,noise),-baselineEl); | |
abaf1f1d | 1289 | // Convert to mV |
1290 | signal *= convert; | |
7e582e9f | 1291 | // add ADC baseline in mV |
1292 | signal += adcBaseline * (adcInRange / adcOutRange); | |
abaf1f1d | 1293 | // Convert to ADC counts. Set the overflow-bit adcOutRange if the |
1294 | // signal is larger than adcInRange | |
1295 | Int_t adc = 0; | |
1296 | if (signal >= adcInRange) { | |
1297 | adc = ((Int_t) adcOutRange); | |
1298 | } | |
1299 | else { | |
1300 | adc = ((Int_t) (signal * (adcOutRange / adcInRange))); | |
1301 | } | |
e23fbb27 | 1302 | inADC[iTime] = adc; |
1303 | outADC[iTime] = adc; | |
1304 | } | |
1305 | ||
1306 | // Apply the tail cancelation via the digital filter | |
4487dad0 | 1307 | if (fPar->TCOn()) { |
1308 | DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp()); | |
e23fbb27 | 1309 | } |
1310 | ||
1311 | for (iTime = 0; iTime < nTimeTotal; iTime++) { | |
abaf1f1d | 1312 | // Store the amplitude of the digit if above threshold |
e23fbb27 | 1313 | if (outADC[iTime] > adcThreshold) { |
3583ac1a | 1314 | digitsOut->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); |
e23fbb27 | 1315 | // Copy the dictionary |
1316 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1317 | Int_t track = dictionaryIn[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1318 | dictionaryOut[iDict]->SetDataUnchecked(iRow,iCol,iTime,track); | |
1319 | } | |
abaf1f1d | 1320 | } |
abaf1f1d | 1321 | } |
e23fbb27 | 1322 | |
abaf1f1d | 1323 | } |
1324 | } | |
1325 | ||
1326 | if (fCompress) { | |
1327 | digitsIn->Compress(1,0); | |
1328 | digitsOut->Compress(1,0); | |
1329 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1330 | dictionaryIn[iDict]->Compress(1,0); | |
1331 | dictionaryOut[iDict]->Compress(1,0); | |
1332 | } | |
1333 | } | |
1334 | ||
e23fbb27 | 1335 | delete [] inADC; |
1336 | delete [] outADC; | |
1337 | ||
abaf1f1d | 1338 | } |
f7336fa3 | 1339 | |
1340 | return kTRUE; | |
1341 | ||
1342 | } | |
1343 | ||
16bf9884 | 1344 | //_____________________________________________________________________________ |
abaf1f1d | 1345 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1346 | { |
1347 | // | |
abaf1f1d | 1348 | // Merges the input s-digits: |
1349 | // - The amplitude of the different inputs are summed up. | |
1350 | // - Of the track IDs from the input dictionaries only one is | |
1351 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1352 | // |
1353 | ||
abaf1f1d | 1354 | // Number of track dictionary arrays |
1355 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1356 | ||
4487dad0 | 1357 | if (!fPar) { |
1358 | fPar = new AliTRDparameter("TRDparameter","Standard parameter"); | |
1359 | if (fDebug > 0) { | |
1360 | printf("<AliTRDdigitizer::MergeSDigits> "); | |
1361 | printf("Create the default parameter object\n"); | |
1362 | } | |
1363 | } | |
1364 | ||
abaf1f1d | 1365 | Int_t iDict = 0; |
e23fbb27 | 1366 | Int_t jDict = 0; |
abaf1f1d | 1367 | |
1368 | AliTRDdataArrayI *digitsA; | |
1369 | AliTRDdataArrayI *digitsB; | |
1370 | AliTRDdataArrayI *dictionaryA[kNDict]; | |
1371 | AliTRDdataArrayI *dictionaryB[kNDict]; | |
1372 | ||
1373 | // Get the first s-digits | |
1374 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
1375 | if (!fSDigitsManager) return kFALSE; | |
1376 | ||
1377 | // Loop through the other sets of s-digits | |
1378 | AliTRDdigitsManager *mergeSDigitsManager; | |
1379 | mergeSDigitsManager = (AliTRDdigitsManager *) | |
1380 | fSDigitsManagerList->After(fSDigitsManager); | |
1381 | ||
e23fbb27 | 1382 | if (fDebug > 0) { |
abaf1f1d | 1383 | if (mergeSDigitsManager) { |
e23fbb27 | 1384 | printf("<AliTRDdigitizer::MergeSDigits> "); |
1385 | printf("Merge %d input files.\n",fSDigitsManagerList->GetSize()); | |
abaf1f1d | 1386 | } |
1387 | else { | |
e23fbb27 | 1388 | printf("<AliTRDdigitizer::MergeSDigits> "); |
abaf1f1d | 1389 | printf("Only one input file.\n"); |
1390 | } | |
1391 | } | |
1392 | ||
1393 | Int_t iMerge = 0; | |
1394 | while (mergeSDigitsManager) { | |
1395 | ||
1396 | iMerge++; | |
1397 | ||
1398 | // Loop through the detectors | |
1399 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1400 | ||
1401 | Int_t plane = fGeo->GetPlane(iDet); | |
1402 | Int_t sector = fGeo->GetSector(iDet); | |
1403 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1404 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1405 | Int_t nColMax = fPar->GetColMax(plane); | |
1406 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
abaf1f1d | 1407 | |
1408 | // Loop through the pixels of one detector and add the signals | |
1409 | digitsA = fSDigitsManager->GetDigits(iDet); | |
1410 | digitsB = mergeSDigitsManager->GetDigits(iDet); | |
1411 | digitsA->Expand(); | |
1412 | digitsB->Expand(); | |
1413 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1414 | dictionaryA[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); | |
1415 | dictionaryB[iDict] = mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1416 | dictionaryA[iDict]->Expand(); | |
1417 | dictionaryB[iDict]->Expand(); | |
1418 | } | |
1419 | ||
4487dad0 | 1420 | // Merge only detectors that contain a signal |
1421 | Bool_t doMerge = kTRUE; | |
1422 | if (fMergeSignalOnly) { | |
1423 | if (digitsA->GetOverThreshold(0) == 0) { | |
1424 | doMerge = kFALSE; | |
1425 | } | |
abaf1f1d | 1426 | } |
1427 | ||
4487dad0 | 1428 | if (doMerge) { |
abaf1f1d | 1429 | |
4487dad0 | 1430 | if (fDebug > 0) { |
1431 | printf("<AliTRDdigitizer::MergeSDigits> "); | |
1432 | printf("Merge detector %d of input no.%d\n",iDet,iMerge+1); | |
1433 | } | |
abaf1f1d | 1434 | |
4487dad0 | 1435 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { |
1436 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1437 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1438 | ||
1439 | // Add the amplitudes of the summable digits | |
1440 | Int_t ampA = digitsA->GetDataUnchecked(iRow,iCol,iTime); | |
1441 | Int_t ampB = digitsB->GetDataUnchecked(iRow,iCol,iTime); | |
1442 | ampA += ampB; | |
1443 | digitsA->SetDataUnchecked(iRow,iCol,iTime,ampA); | |
1444 | ||
1445 | // Add the mask to the track id if defined. | |
1446 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1447 | Int_t trackB = dictionaryB[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1448 | if ((fMasks) && (trackB > 0)) { | |
1449 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1450 | Int_t trackA = dictionaryA[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1451 | if (trackA == 0) { | |
1452 | trackA = trackB + fMasks[iMerge]; | |
1453 | dictionaryA[iDict]->SetDataUnchecked(iRow,iCol,iTime,trackA); | |
1454 | } | |
1455 | } | |
1456 | } | |
e23fbb27 | 1457 | } |
abaf1f1d | 1458 | |
4487dad0 | 1459 | } |
abaf1f1d | 1460 | } |
4487dad0 | 1461 | } |
1462 | ||
abaf1f1d | 1463 | } |
1464 | ||
1465 | if (fCompress) { | |
1466 | digitsA->Compress(1,0); | |
1467 | digitsB->Compress(1,0); | |
1468 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1469 | dictionaryA[iDict]->Compress(1,0); | |
1470 | dictionaryB[iDict]->Compress(1,0); | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | } | |
1475 | ||
1476 | // The next set of s-digits | |
1477 | mergeSDigitsManager = (AliTRDdigitsManager *) | |
1478 | fSDigitsManagerList->After(mergeSDigitsManager); | |
1479 | ||
1480 | } | |
1481 | ||
16bf9884 | 1482 | return kTRUE; |
1483 | ||
1484 | } | |
1485 | ||
abaf1f1d | 1486 | //_____________________________________________________________________________ |
1487 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1488 | { | |
1489 | // | |
1490 | // Merges the input s-digits and converts them to normal digits | |
1491 | // | |
1492 | ||
1493 | if (!MergeSDigits()) return kFALSE; | |
1494 | ||
1495 | return ConvertSDigits(); | |
1496 | ||
1497 | } | |
1498 | ||
793ff80c | 1499 | //_____________________________________________________________________________ |
1500 | Bool_t AliTRDdigitizer::CheckDetector(Int_t plane, Int_t chamber, Int_t sector) | |
1501 | { | |
1502 | // | |
1503 | // Checks whether a detector is enabled | |
1504 | // | |
1505 | ||
0c24ba98 | 1506 | if (fSimpleSim) return kTRUE; |
1507 | ||
793ff80c | 1508 | if ((fTRD->GetSensChamber() >= 0) && |
1509 | (fTRD->GetSensChamber() != chamber)) return kFALSE; | |
1510 | if ((fTRD->GetSensPlane() >= 0) && | |
c1e4b257 | 1511 | (fTRD->GetSensPlane() != plane)) return kFALSE; |
793ff80c | 1512 | if ( fTRD->GetSensSector() >= 0) { |
1513 | Int_t sens1 = fTRD->GetSensSector(); | |
1514 | Int_t sens2 = sens1 + fTRD->GetSensSectorRange(); | |
1515 | sens2 -= ((Int_t) (sens2 / AliTRDgeometry::Nsect())) | |
1516 | * AliTRDgeometry::Nsect(); | |
1517 | if (sens1 < sens2) { | |
1518 | if ((sector < sens1) || (sector >= sens2)) return kFALSE; | |
1519 | } | |
1520 | else { | |
1521 | if ((sector < sens1) && (sector >= sens2)) return kFALSE; | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | return kTRUE; | |
1526 | ||
1527 | } | |
1528 | ||
f7336fa3 | 1529 | //_____________________________________________________________________________ |
0a29d0f1 | 1530 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1531 | { |
1532 | // | |
1533 | // Writes out the TRD-digits and the dictionaries | |
1534 | // | |
1535 | ||
bdbb05bb | 1536 | //Write parameters |
1537 | fRunLoader->CdGAFile(); | |
1538 | if (!gFile->Get("TRDparameter")) GetParameter()->Write(); | |
1539 | ||
da581aea | 1540 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1541 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1542 | |
1543 | } | |
793ff80c | 1544 | |
e23fbb27 | 1545 | //_____________________________________________________________________________ |
1546 | void AliTRDdigitizer::DeConvExp(Double_t *source, Double_t *target | |
1547 | , Int_t n, Int_t nexp) | |
1548 | { | |
1549 | // | |
1550 | // Does the deconvolution by the digital filter. | |
1551 | // | |
1552 | // Author: Marcus Gutfleisch, KIP Heidelberg | |
1553 | // Optimized for: New TRF from Venelin Angelov, simulated with CADENCE | |
1554 | // Pad-ground capacitance = 25 pF | |
1555 | // Pad-pad cross talk capacitance = 6 pF | |
1556 | // For 10 MHz digitization, corresponding to 20 time bins | |
1557 | // in the drift region | |
1558 | // | |
1559 | ||
1560 | Double_t rates[2]; | |
1561 | Double_t coefficients[2]; | |
81a6930e | 1562 | Double_t Dt = 0.100; // time bin width [mus] for 10 MHz sampling frequence |
e23fbb27 | 1563 | |
1564 | /* initialize (coefficient = alpha, rates = lambda) */ | |
1565 | ||
81a6930e | 1566 | rates[0] = 0.7680; |
1567 | rates[1] = 0.0995; | |
1568 | ||
1569 | rates[0] = TMath::Exp(-Dt/(rates[0])); | |
1570 | rates[1] = TMath::Exp(-Dt/(rates[1])); | |
1571 | ||
1572 | // dummy initialization | |
1573 | coefficients[0] = 0.0000; | |
1574 | coefficients[1] = 0.0000; | |
1575 | ||
e23fbb27 | 1576 | if( nexp == 1 ) { |
81a6930e | 1577 | coefficients[0] = 0.0844; |
1578 | coefficients[1] = 0.0000; | |
e23fbb27 | 1579 | } |
1580 | if( nexp == 2 ) { | |
81a6930e | 1581 | coefficients[0] = 0.1445; |
1582 | coefficients[1] = 0.7524; | |
e23fbb27 | 1583 | } |
1584 | ||
1585 | Int_t i, k; | |
1586 | Double_t reminder[2]; | |
1587 | Double_t correction, result; | |
1588 | ||
1589 | /* attention: computation order is important */ | |
1590 | correction=0.0; | |
1591 | for ( k = 0; k < nexp; k++ ) reminder[k]=0.0; | |
1592 | ||
1593 | for ( i = 0; i < n; i++ ) { | |
1594 | result = ( source[i] - correction ); /* no rescaling */ | |
1595 | target[i] = result; | |
1596 | ||
1597 | for ( k = 0; k < nexp; k++ ) reminder[k] = rates[k] | |
1598 | * ( reminder[k] + coefficients[k] * result); | |
1599 | ||
1600 | correction=0.0; | |
1601 | for ( k = 0; k < nexp; k++ ) correction += reminder[k]; | |
1602 | } | |
1603 | ||
1604 | } | |
1605 | ||
8e64dd77 | 1606 | //_____________________________________________________________________________ |
88cb7938 | 1607 | void AliTRDdigitizer::InitOutput(Int_t iEvent) |
8e64dd77 | 1608 | { |
1609 | // | |
1610 | // Initializes the output branches | |
1611 | // | |
1612 | ||
1613 | fEvent = iEvent; | |
88cb7938 | 1614 | |
1615 | if (!fRunLoader) | |
1616 | { | |
1617 | Error("InitOutput","Run Loader is NULL"); | |
1618 | return; | |
1619 | } | |
1620 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
1621 | if (!loader) | |
1622 | { | |
1623 | Error("Open","Can not get TRD loader from Run Loader"); | |
1624 | return; | |
1625 | } | |
1626 | ||
1627 | TTree* tree = 0; | |
1628 | ||
1629 | if (fSDigits) | |
1630 | { | |
1631 | //if we produce SDigits | |
1632 | tree = loader->TreeS(); | |
1633 | if (!tree) | |
1634 | { | |
1635 | loader->MakeTree("S"); | |
1636 | tree = loader->TreeS(); | |
1637 | } | |
1638 | } | |
1639 | else | |
1640 | {//if we produce Digits | |
1641 | tree = loader->TreeD(); | |
1642 | if (!tree) | |
1643 | { | |
1644 | loader->MakeTree("D"); | |
1645 | tree = loader->TreeD(); | |
1646 | } | |
1647 | } | |
1648 | fDigitsManager->SetEvent(iEvent); | |
1649 | fDigitsManager->MakeBranch(tree); | |
8e64dd77 | 1650 | |
1651 | } |