]>
Commit | Line | Data |
---|---|---|
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 | ||
16 | /* | |
17 | $Log$ | |
17eee78a | 18 | Revision 1.42 2002/12/13 13:31:44 cblume |
19 | Add ADC offset and change default digitazation parameters | |
20 | ||
7e582e9f | 21 | Revision 1.41 2002/10/21 09:10:32 cblume |
22 | Fix type conversion warnings | |
23 | ||
3583ac1a | 24 | Revision 1.40 2002/10/14 14:57:43 hristov |
25 | Merging the VirtualMC branch to the main development branch (HEAD) | |
26 | ||
b9d0a01d | 27 | Revision 1.33.6.3 2002/10/11 07:26:37 hristov |
28 | Updating VirtualMC to v3-09-02 | |
29 | ||
30 | Revision 1.39 2002/10/08 20:46:12 cblume | |
31 | Do coupling factors before noise is applied | |
32 | ||
0c24ba98 | 33 | Revision 1.38 2002/04/30 08:30:40 cblume |
34 | gAlice now only read by AliRunDigitizer. Therefore it is just deleted in AliTRDmerge.C | |
35 | ||
c57e2264 | 36 | Revision 1.37 2002/04/29 11:50:47 cblume |
37 | Change initialization of gAlice in the merging case | |
38 | ||
cec4059b | 39 | Revision 1.36 2002/04/12 12:13:23 cblume |
40 | Add Jiris changes | |
41 | ||
8e64dd77 | 42 | Revision 1.35 2002/03/28 14:59:07 cblume |
43 | Coding conventions | |
44 | ||
0a29d0f1 | 45 | Revision 1.34 2002/03/25 20:00:44 cblume |
46 | Introduce parameter class and regions of interest for merging | |
47 | ||
4487dad0 | 48 | Revision 1.33 2002/02/12 17:32:03 cblume |
49 | Rearrange the deleting of the list of sdigitsmanager | |
50 | ||
b1113c6b | 51 | Revision 1.32 2002/02/12 16:07:21 cblume |
52 | Add new constructor | |
53 | ||
bfc40adc | 54 | Revision 1.31 2002/02/11 14:27:11 cblume |
55 | New pad plane design, new TRF+PRF, tail cancelation, cross talk | |
56 | ||
e23fbb27 | 57 | Revision 1.30 2001/11/19 08:44:08 cblume |
58 | Fix bugs reported by Rene | |
59 | ||
a1c3aded | 60 | Revision 1.29 2001/11/14 19:44:25 hristov |
61 | Numeric const casted (Alpha) | |
62 | ||
20c69486 | 63 | Revision 1.28 2001/11/14 16:35:58 cblume |
64 | Inherits now from AliDetector | |
65 | ||
85cbec76 | 66 | Revision 1.27 2001/11/14 10:50:45 cblume |
67 | Changes in digits IO. Add merging of summable digits | |
68 | ||
abaf1f1d | 69 | Revision 1.26 2001/11/06 17:19:41 cblume |
70 | Add detailed geometry and simple simulator | |
71 | ||
16bf9884 | 72 | Revision 1.25 2001/06/27 09:54:44 cblume |
73 | Moved fField initialization to InitDetector() | |
74 | ||
88fd7ccb | 75 | Revision 1.24 2001/05/21 16:45:47 hristov |
76 | Last minute changes (C.Blume) | |
77 | ||
db30bf0f | 78 | Revision 1.23 2001/05/07 08:04:48 cblume |
79 | New TRF and PRF. Speedup of the code. Digits from amplification region included | |
80 | ||
872a7aba | 81 | Revision 1.22 2001/03/30 14:40:14 cblume |
82 | Update of the digitization parameter | |
83 | ||
a3c76cdc | 84 | Revision 1.21 2001/03/13 09:30:35 cblume |
85 | Update of digitization. Moved digit branch definition to AliTRD | |
86 | ||
6244debe | 87 | Revision 1.20 2001/02/25 20:19:00 hristov |
88 | Minor correction: loop variable declared only once for HP, Sun | |
89 | ||
c3a4830f | 90 | Revision 1.19 2001/02/14 18:22:26 cblume |
91 | Change in the geometry of the padplane | |
92 | ||
71d9fa7b | 93 | Revision 1.18 2001/01/26 19:56:57 hristov |
94 | Major upgrade of AliRoot code | |
95 | ||
2ab0c725 | 96 | Revision 1.17 2000/12/08 12:53:27 cblume |
97 | Change in Copy() function for HP-compiler | |
98 | ||
1948ba0c | 99 | Revision 1.16 2000/12/07 12:20:46 cblume |
100 | Go back to array compression. Use sampled PRF to speed up digitization | |
101 | ||
e153aaf6 | 102 | Revision 1.15 2000/11/23 14:34:08 cblume |
103 | Fixed bug in expansion routine of arrays (initialize buffers properly) | |
104 | ||
259b9e4b | 105 | Revision 1.14 2000/11/20 08:54:44 cblume |
106 | Switch off compression as default | |
107 | ||
c1e4b257 | 108 | Revision 1.13 2000/11/10 14:57:52 cblume |
109 | Changes in the geometry constants for the DEC compiler | |
110 | ||
dd56b762 | 111 | Revision 1.12 2000/11/01 14:53:20 cblume |
112 | Merge with TRD-develop | |
113 | ||
793ff80c | 114 | Revision 1.1.4.9 2000/10/26 17:00:22 cblume |
115 | Fixed bug in CheckDetector() | |
116 | ||
117 | Revision 1.1.4.8 2000/10/23 13:41:35 cblume | |
118 | Added protection against Log(0) in the gas gain calulation | |
119 | ||
120 | Revision 1.1.4.7 2000/10/17 02:27:34 cblume | |
121 | Get rid of global constants | |
122 | ||
123 | Revision 1.1.4.6 2000/10/16 01:16:53 cblume | |
124 | Changed timebin 0 to be the one closest to the readout | |
125 | ||
126 | Revision 1.1.4.5 2000/10/15 23:34:29 cblume | |
127 | Faster version of the digitizer | |
128 | ||
129 | Revision 1.1.4.4 2000/10/06 16:49:46 cblume | |
130 | Made Getters const | |
131 | ||
132 | Revision 1.1.4.3 2000/10/04 16:34:58 cblume | |
133 | Replace include files by forward declarations | |
134 | ||
135 | Revision 1.1.4.2 2000/09/22 14:41:10 cblume | |
136 | Bug fix in PRF. Included time response. New structure | |
137 | ||
eda4336d | 138 | Revision 1.10 2000/10/05 07:27:53 cblume |
139 | Changes in the header-files by FCA | |
140 | ||
6798b56e | 141 | Revision 1.9 2000/10/02 21:28:19 fca |
142 | Removal of useless dependecies via forward declarations | |
143 | ||
94de3818 | 144 | Revision 1.8 2000/06/09 11:10:07 cblume |
145 | Compiler warnings and coding conventions, next round | |
146 | ||
dd9a6ee3 | 147 | Revision 1.7 2000/06/08 18:32:58 cblume |
148 | Make code compliant to coding conventions | |
149 | ||
8230f242 | 150 | Revision 1.6 2000/06/07 16:27:32 cblume |
151 | Try to remove compiler warnings on Sun and HP | |
152 | ||
9d0b222b | 153 | Revision 1.5 2000/05/09 16:38:57 cblume |
154 | Removed PadResponse(). Merge problem | |
155 | ||
f0a7bf65 | 156 | Revision 1.4 2000/05/08 15:53:45 cblume |
157 | Resolved merge conflict | |
158 | ||
da581aea | 159 | Revision 1.3 2000/04/28 14:49:27 cblume |
160 | Only one declaration of iDict in MakeDigits() | |
161 | ||
162 | Revision 1.1.4.1 2000/05/08 14:42:04 cblume | |
163 | Introduced AliTRDdigitsManager | |
28329a48 | 164 | |
1befd3b2 | 165 | Revision 1.1 2000/02/28 19:00:13 cblume |
166 | Add new TRD classes | |
167 | ||
f7336fa3 | 168 | */ |
169 | ||
170 | /////////////////////////////////////////////////////////////////////////////// | |
171 | // // | |
172 | // Creates and handles digits from TRD hits // | |
abaf1f1d | 173 | // Author: C. Blume (C.Blume@gsi.de) // |
f7336fa3 | 174 | // // |
175 | // The following effects are included: // | |
176 | // - Diffusion // | |
177 | // - ExB effects // | |
178 | // - Gas gain including fluctuations // | |
179 | // - Pad-response (simple Gaussian approximation) // | |
abaf1f1d | 180 | // - Time-response // |
f7336fa3 | 181 | // - Electronics noise // |
182 | // - Electronics gain // | |
183 | // - Digitization // | |
184 | // - ADC threshold // | |
185 | // The corresponding parameter can be adjusted via the various // | |
186 | // Set-functions. If these parameters are not explicitly set, default // | |
187 | // values are used (see Init-function). // | |
abaf1f1d | 188 | // As an example on how to use this class to produce digits from hits // |
189 | // have a look at the macro hits2digits.C // | |
190 | // The production of summable digits is demonstrated in hits2sdigits.C // | |
191 | // and the subsequent conversion of the s-digits into normal digits is // | |
192 | // explained in sdigits2digits.C. // | |
f7336fa3 | 193 | // // |
194 | /////////////////////////////////////////////////////////////////////////////// | |
195 | ||
6798b56e | 196 | #include <stdlib.h> |
197 | ||
f7336fa3 | 198 | #include <TMath.h> |
199 | #include <TVector.h> | |
200 | #include <TRandom.h> | |
94de3818 | 201 | #include <TROOT.h> |
202 | #include <TTree.h> | |
793ff80c | 203 | #include <TFile.h> |
204 | #include <TF1.h> | |
abaf1f1d | 205 | #include <TList.h> |
85cbec76 | 206 | #include <TTask.h> |
793ff80c | 207 | |
208 | #include "AliRun.h" | |
db30bf0f | 209 | #include "AliMagF.h" |
85cbec76 | 210 | #include "AliRunDigitizer.h" |
f7336fa3 | 211 | |
212 | #include "AliTRD.h" | |
793ff80c | 213 | #include "AliTRDhit.h" |
f7336fa3 | 214 | #include "AliTRDdigitizer.h" |
da581aea | 215 | #include "AliTRDdataArrayI.h" |
216 | #include "AliTRDdataArrayF.h" | |
793ff80c | 217 | #include "AliTRDsegmentArray.h" |
da581aea | 218 | #include "AliTRDdigitsManager.h" |
793ff80c | 219 | #include "AliTRDgeometry.h" |
4487dad0 | 220 | #include "AliTRDparameter.h" |
f7336fa3 | 221 | |
222 | ClassImp(AliTRDdigitizer) | |
223 | ||
224 | //_____________________________________________________________________________ | |
85cbec76 | 225 | AliTRDdigitizer::AliTRDdigitizer() |
f7336fa3 | 226 | { |
227 | // | |
228 | // AliTRDdigitizer default constructor | |
229 | // | |
230 | ||
4487dad0 | 231 | fInputFile = 0; |
232 | fDigitsManager = 0; | |
233 | fSDigitsManagerList = 0; | |
234 | fSDigitsManager = 0; | |
235 | fTRD = 0; | |
236 | fGeo = 0; | |
237 | fPar = 0; | |
e23fbb27 | 238 | fMasks = 0; |
abaf1f1d | 239 | fEvent = 0; |
abaf1f1d | 240 | fCompress = kTRUE; |
e23fbb27 | 241 | fDebug = 0; |
abaf1f1d | 242 | fSDigits = kFALSE; |
243 | fSDigitsScale = 0.0; | |
4487dad0 | 244 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 245 | fSimpleSim = kFALSE; |
246 | fSimpleDet = 0; | |
247 | ||
f7336fa3 | 248 | } |
249 | ||
250 | //_____________________________________________________________________________ | |
251 | AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) | |
85cbec76 | 252 | :AliDigitizer(name,title) |
f7336fa3 | 253 | { |
254 | // | |
85cbec76 | 255 | // AliTRDdigitizer constructor |
256 | // | |
257 | ||
4487dad0 | 258 | fInputFile = 0; |
259 | fDigitsManager = 0; | |
260 | fSDigitsManagerList = 0; | |
261 | fSDigitsManager = 0; | |
262 | fTRD = 0; | |
263 | fGeo = 0; | |
264 | fPar = 0; | |
e23fbb27 | 265 | fMasks = 0; |
85cbec76 | 266 | fEvent = 0; |
85cbec76 | 267 | fCompress = kTRUE; |
e23fbb27 | 268 | fDebug = 0; |
85cbec76 | 269 | fSDigits = kFALSE; |
4487dad0 | 270 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 271 | fSimpleSim = kFALSE; |
272 | fSimpleDet = 0; | |
273 | ||
4487dad0 | 274 | // For the summable digits |
275 | fSDigitsScale = 100.; | |
85cbec76 | 276 | |
277 | } | |
278 | ||
279 | //_____________________________________________________________________________ | |
280 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager | |
281 | , const Text_t *name, const Text_t *title) | |
282 | :AliDigitizer(manager,name,title) | |
283 | { | |
284 | // | |
285 | // AliTRDdigitizer constructor | |
f7336fa3 | 286 | // |
287 | ||
4487dad0 | 288 | fInputFile = 0; |
289 | fDigitsManager = 0; | |
290 | fSDigitsManagerList = 0; | |
291 | fSDigitsManager = 0; | |
292 | fTRD = 0; | |
293 | fGeo = 0; | |
294 | fPar = 0; | |
bfc40adc | 295 | fMasks = 0; |
bfc40adc | 296 | fEvent = 0; |
bfc40adc | 297 | fCompress = kTRUE; |
298 | fDebug = 0; | |
299 | fSDigits = kFALSE; | |
4487dad0 | 300 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 301 | fSimpleSim = kFALSE; |
302 | fSimpleDet = 0; | |
303 | ||
4487dad0 | 304 | // For the summable digits |
305 | fSDigitsScale = 100.; | |
bfc40adc | 306 | |
307 | } | |
308 | ||
309 | //_____________________________________________________________________________ | |
310 | AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) | |
311 | :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") | |
312 | { | |
313 | // | |
314 | // AliTRDdigitizer constructor | |
315 | // | |
316 | ||
4487dad0 | 317 | fInputFile = 0; |
318 | fDigitsManager = 0; | |
319 | fSDigitsManagerList = 0; | |
320 | fSDigitsManager = 0; | |
321 | fTRD = 0; | |
322 | fGeo = 0; | |
323 | fPar = 0; | |
e23fbb27 | 324 | fMasks = 0; |
abaf1f1d | 325 | fEvent = 0; |
abaf1f1d | 326 | fCompress = kTRUE; |
e23fbb27 | 327 | fDebug = 0; |
abaf1f1d | 328 | fSDigits = kFALSE; |
4487dad0 | 329 | fMergeSignalOnly = kFALSE; |
0c24ba98 | 330 | fSimpleSim = kFALSE; |
331 | fSimpleDet = 0; | |
793ff80c | 332 | |
4487dad0 | 333 | // For the summable digits |
334 | fSDigitsScale = 100.; | |
f7336fa3 | 335 | |
336 | } | |
337 | ||
8230f242 | 338 | //_____________________________________________________________________________ |
dd9a6ee3 | 339 | AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) |
8230f242 | 340 | { |
341 | // | |
342 | // AliTRDdigitizer copy constructor | |
343 | // | |
344 | ||
dd9a6ee3 | 345 | ((AliTRDdigitizer &) d).Copy(*this); |
8230f242 | 346 | |
347 | } | |
348 | ||
f7336fa3 | 349 | //_____________________________________________________________________________ |
350 | AliTRDdigitizer::~AliTRDdigitizer() | |
351 | { | |
8230f242 | 352 | // |
353 | // AliTRDdigitizer destructor | |
354 | // | |
f7336fa3 | 355 | |
356 | if (fInputFile) { | |
357 | fInputFile->Close(); | |
358 | delete fInputFile; | |
4487dad0 | 359 | fInputFile = 0; |
abaf1f1d | 360 | } |
361 | ||
362 | if (fDigitsManager) { | |
363 | delete fDigitsManager; | |
4487dad0 | 364 | fDigitsManager = 0; |
f7336fa3 | 365 | } |
366 | ||
abaf1f1d | 367 | if (fSDigitsManager) { |
368 | delete fSDigitsManager; | |
4487dad0 | 369 | fSDigitsManager = 0; |
f7336fa3 | 370 | } |
371 | ||
abaf1f1d | 372 | if (fSDigitsManagerList) { |
abaf1f1d | 373 | delete fSDigitsManagerList; |
4487dad0 | 374 | fSDigitsManagerList = 0; |
e23fbb27 | 375 | } |
376 | ||
377 | if (fMasks) { | |
378 | delete [] fMasks; | |
379 | fMasks = 0; | |
380 | } | |
381 | ||
f7336fa3 | 382 | } |
383 | ||
8230f242 | 384 | //_____________________________________________________________________________ |
dd9a6ee3 | 385 | AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) |
386 | { | |
387 | // | |
388 | // Assignment operator | |
389 | // | |
390 | ||
391 | if (this != &d) ((AliTRDdigitizer &) d).Copy(*this); | |
392 | return *this; | |
393 | ||
394 | } | |
395 | ||
396 | //_____________________________________________________________________________ | |
397 | void AliTRDdigitizer::Copy(TObject &d) | |
8230f242 | 398 | { |
399 | // | |
400 | // Copy function | |
401 | // | |
402 | ||
4487dad0 | 403 | ((AliTRDdigitizer &) d).fInputFile = 0; |
404 | ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; | |
405 | ((AliTRDdigitizer &) d).fSDigitsManager = 0; | |
406 | ((AliTRDdigitizer &) d).fDigitsManager = 0; | |
407 | ((AliTRDdigitizer &) d).fTRD = 0; | |
408 | ((AliTRDdigitizer &) d).fGeo = 0; | |
e23fbb27 | 409 | ((AliTRDdigitizer &) d).fMasks = 0; |
abaf1f1d | 410 | ((AliTRDdigitizer &) d).fEvent = 0; |
4487dad0 | 411 | ((AliTRDdigitizer &) d).fPar = 0; |
abaf1f1d | 412 | ((AliTRDdigitizer &) d).fCompress = fCompress; |
e23fbb27 | 413 | ((AliTRDdigitizer &) d).fDebug = fDebug ; |
abaf1f1d | 414 | ((AliTRDdigitizer &) d).fSDigits = fSDigits; |
415 | ((AliTRDdigitizer &) d).fSDigitsScale = fSDigitsScale; | |
4487dad0 | 416 | ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; |
0c24ba98 | 417 | ((AliTRDdigitizer &) d).fSimpleSim = fSimpleSim; |
418 | ((AliTRDdigitizer &) d).fSimpleDet = fSimpleDet; | |
419 | ||
e23fbb27 | 420 | } |
421 | ||
e23fbb27 | 422 | //_____________________________________________________________________________ |
423 | void AliTRDdigitizer::Exec(Option_t* option) | |
424 | { | |
425 | // | |
426 | // Executes the merging | |
427 | // | |
428 | ||
429 | Int_t iInput; | |
430 | ||
431 | AliTRDdigitsManager *sdigitsManager; | |
432 | ||
433 | TString optionString = option; | |
434 | if (optionString.Contains("deb")) { | |
435 | fDebug = 1; | |
436 | if (optionString.Contains("2")) { | |
437 | fDebug = 2; | |
438 | } | |
439 | printf("<AliTRDdigitizer::Exec> "); | |
440 | printf("Called with debug option %d\n",fDebug); | |
441 | } | |
442 | ||
cec4059b | 443 | // The AliRoot file is already connected by the manager |
4487dad0 | 444 | if (gAlice) { |
445 | if (fDebug > 0) { | |
446 | printf("<AliTRDdigitizer::Exec> "); | |
447 | printf("AliRun object found on file.\n"); | |
448 | } | |
449 | } | |
450 | else { | |
451 | printf("<AliTRDdigitizer::Exec> "); | |
452 | printf("Could not find AliRun object.\n"); | |
cec4059b | 453 | return; |
4487dad0 | 454 | } |
cec4059b | 455 | |
e23fbb27 | 456 | Int_t nInput = fManager->GetNinputs(); |
457 | fMasks = new Int_t[nInput]; | |
458 | for (iInput = 0; iInput < nInput; iInput++) { | |
459 | fMasks[iInput] = fManager->GetMask(iInput); | |
460 | } | |
e23fbb27 | 461 | |
462 | // Initialization | |
463 | InitDetector(); | |
464 | ||
465 | for (iInput = 0; iInput < nInput; iInput++) { | |
466 | ||
467 | if (fDebug > 0) { | |
468 | printf("<AliTRDdigitizer::Exec> "); | |
469 | printf("Add input stream %d\n",iInput); | |
470 | } | |
471 | ||
c57e2264 | 472 | // check if the input tree exists |
473 | if (!fManager->GetInputTreeTRDS(iInput)) { | |
474 | printf("<AliTRDdigitizer::Exec> "); | |
475 | printf("Input stream %d does not exist\n",iInput); | |
476 | return; | |
477 | } | |
478 | ||
e23fbb27 | 479 | // Read the s-digits via digits manager |
480 | sdigitsManager = new AliTRDdigitsManager(); | |
481 | sdigitsManager->SetDebug(fDebug); | |
482 | sdigitsManager->SetSDigits(kTRUE); | |
483 | sdigitsManager->ReadDigits(fManager->GetInputTreeTRDS(iInput)); | |
484 | ||
485 | // Add the s-digits to the input list | |
486 | AddSDigitsManager(sdigitsManager); | |
487 | ||
488 | } | |
489 | ||
490 | // Convert the s-digits to normal digits | |
491 | if (fDebug > 0) { | |
492 | printf("<AliTRDdigitizer::Exec> "); | |
493 | printf("Do the conversion\n"); | |
494 | } | |
495 | SDigits2Digits(); | |
496 | ||
497 | // Store the digits | |
498 | if (fDebug > 0) { | |
499 | printf("<AliTRDdigitizer::Exec> "); | |
500 | printf("Write the digits\n"); | |
501 | } | |
502 | fDigitsManager->MakeBranch(fManager->GetTreeDTRD()); | |
503 | fDigitsManager->WriteDigits(); | |
504 | if (fDebug > 0) { | |
505 | printf("<AliTRDdigitizer::Exec> "); | |
506 | printf("Done\n"); | |
507 | } | |
508 | ||
b1113c6b | 509 | DeleteSDigitsManager(); |
510 | ||
e23fbb27 | 511 | } |
512 | ||
f7336fa3 | 513 | //_____________________________________________________________________________ |
e23fbb27 | 514 | Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) |
f7336fa3 | 515 | { |
516 | // | |
517 | // Opens a ROOT-file with TRD-hits and reads in the hit-tree | |
518 | // | |
519 | ||
520 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
4487dad0 | 521 | fInputFile = (TFile *) gROOT->GetListOfFiles()->FindObject(file); |
f7336fa3 | 522 | if (!fInputFile) { |
e23fbb27 | 523 | if (fDebug > 0) { |
524 | printf("<AliTRDdigitizer::Open> "); | |
525 | printf("Open the AliROOT-file %s.\n",file); | |
abaf1f1d | 526 | } |
e23fbb27 | 527 | fInputFile = new TFile(file,"UPDATE"); |
f7336fa3 | 528 | } |
529 | else { | |
e23fbb27 | 530 | if (fDebug > 0) { |
531 | printf("<AliTRDdigitizer::Open> "); | |
532 | printf("%s is already open.\n",file); | |
abaf1f1d | 533 | } |
f7336fa3 | 534 | } |
535 | ||
4487dad0 | 536 | gAlice = (AliRun *) fInputFile->Get("gAlice"); |
da581aea | 537 | if (gAlice) { |
e23fbb27 | 538 | if (fDebug > 0) { |
539 | printf("<AliTRDdigitizer::Open> "); | |
abaf1f1d | 540 | printf("AliRun object found on file.\n"); |
541 | } | |
da581aea | 542 | } |
543 | else { | |
e23fbb27 | 544 | printf("<AliTRDdigitizer::Open> "); |
da581aea | 545 | printf("Could not find AliRun object.\n"); |
546 | return kFALSE; | |
547 | } | |
f7336fa3 | 548 | |
549 | fEvent = nEvent; | |
550 | ||
551 | // Import the Trees for the event nEvent in the file | |
552 | Int_t nparticles = gAlice->GetEvent(fEvent); | |
553 | if (nparticles <= 0) { | |
e23fbb27 | 554 | printf("<AliTRDdigitizer::Open> "); |
f7336fa3 | 555 | printf("No entries in the trees for event %d.\n",fEvent); |
556 | return kFALSE; | |
557 | } | |
558 | ||
abaf1f1d | 559 | if (InitDetector()) { |
560 | return MakeBranch(); | |
561 | } | |
562 | else { | |
563 | return kFALSE; | |
564 | } | |
793ff80c | 565 | |
566 | } | |
567 | ||
568 | //_____________________________________________________________________________ | |
569 | Bool_t AliTRDdigitizer::InitDetector() | |
570 | { | |
571 | // | |
572 | // Sets the pointer to the TRD detector and the geometry | |
573 | // | |
574 | ||
dd9a6ee3 | 575 | // Get the pointer to the detector class and check for version 1 |
4487dad0 | 576 | fTRD = (AliTRD *) gAlice->GetDetector("TRD"); |
cec4059b | 577 | if (!fTRD) { |
578 | printf("<AliTRDdigitizer::InitDetector> "); | |
579 | printf("No TRD module found\n"); | |
580 | exit(1); | |
581 | } | |
dd9a6ee3 | 582 | if (fTRD->IsVersion() != 1) { |
e23fbb27 | 583 | printf("<AliTRDdigitizer::InitDetector> "); |
dd9a6ee3 | 584 | printf("TRD must be version 1 (slow simulator).\n"); |
585 | exit(1); | |
586 | } | |
587 | ||
588 | // Get the geometry | |
589 | fGeo = fTRD->GetGeometry(); | |
e23fbb27 | 590 | if (fDebug > 0) { |
591 | printf("<AliTRDdigitizer::InitDetector> "); | |
abaf1f1d | 592 | printf("Geometry version %d\n",fGeo->IsVersion()); |
593 | } | |
dd9a6ee3 | 594 | |
abaf1f1d | 595 | // Create a digits manager |
596 | fDigitsManager = new AliTRDdigitsManager(); | |
597 | fDigitsManager->SetSDigits(fSDigits); | |
598 | fDigitsManager->CreateArrays(); | |
599 | fDigitsManager->SetEvent(fEvent); | |
e23fbb27 | 600 | fDigitsManager->SetDebug(fDebug); |
abaf1f1d | 601 | |
602 | // The list for the input s-digits manager to be merged | |
603 | fSDigitsManagerList = new TList(); | |
604 | ||
4487dad0 | 605 | return kTRUE; |
f7336fa3 | 606 | |
607 | } | |
608 | ||
6244debe | 609 | //_____________________________________________________________________________ |
0a29d0f1 | 610 | Bool_t AliTRDdigitizer::MakeBranch(const Char_t *file) const |
6244debe | 611 | { |
abaf1f1d | 612 | // |
613 | // Create the branches for the digits array | |
6244debe | 614 | // |
615 | ||
abaf1f1d | 616 | return fDigitsManager->MakeBranch(file); |
6244debe | 617 | |
618 | } | |
619 | ||
f7336fa3 | 620 | //_____________________________________________________________________________ |
621 | Bool_t AliTRDdigitizer::MakeDigits() | |
622 | { | |
623 | // | |
872a7aba | 624 | // Creates digits. |
f7336fa3 | 625 | // |
626 | ||
f7336fa3 | 627 | /////////////////////////////////////////////////////////////// |
628 | // Parameter | |
629 | /////////////////////////////////////////////////////////////// | |
630 | ||
631 | // Converts number of electrons to fC | |
872a7aba | 632 | const Double_t kEl2fC = 1.602E-19 * 1.0E15; |
f7336fa3 | 633 | |
634 | /////////////////////////////////////////////////////////////// | |
635 | ||
793ff80c | 636 | // Number of pads included in the pad response |
637 | const Int_t kNpad = 3; | |
638 | ||
639 | // Number of track dictionary arrays | |
dd56b762 | 640 | const Int_t kNDict = AliTRDdigitsManager::kNDict; |
793ff80c | 641 | |
872a7aba | 642 | // Half the width of the amplification region |
643 | const Float_t kAmWidth = AliTRDgeometry::AmThick() / 2.; | |
644 | ||
c3a4830f | 645 | Int_t iRow, iCol, iTime, iPad; |
71d9fa7b | 646 | Int_t iDict = 0; |
793ff80c | 647 | Int_t nBytes = 0; |
f7336fa3 | 648 | |
649 | Int_t totalSizeDigits = 0; | |
650 | Int_t totalSizeDict0 = 0; | |
651 | Int_t totalSizeDict1 = 0; | |
652 | Int_t totalSizeDict2 = 0; | |
653 | ||
872a7aba | 654 | Int_t timeTRDbeg = 0; |
655 | Int_t timeTRDend = 1; | |
656 | ||
657 | Float_t pos[3]; | |
658 | Float_t rot[3]; | |
659 | Float_t xyz[3]; | |
660 | Float_t padSignal[kNpad]; | |
661 | Float_t signalOld[kNpad]; | |
662 | ||
793ff80c | 663 | AliTRDdataArrayF *signals = 0; |
664 | AliTRDdataArrayI *digits = 0; | |
8230f242 | 665 | AliTRDdataArrayI *dictionary[kNDict]; |
da581aea | 666 | |
17eee78a | 667 | // Reset the digits arrays |
668 | fDigitsManager->ResetArrays(); | |
669 | ||
4487dad0 | 670 | // Create a default parameter class if none is defined |
671 | if (!fPar) { | |
672 | fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter"); | |
673 | if (fDebug > 0) { | |
674 | printf("<AliTRDdigitizer::MakeDigits> "); | |
675 | printf("Create the default parameter object\n"); | |
676 | } | |
677 | } | |
678 | ||
793ff80c | 679 | // Create a container for the amplitudes |
680 | AliTRDsegmentArray *signalsArray | |
e23fbb27 | 681 | = new AliTRDsegmentArray("AliTRDdataArrayF" |
682 | ,AliTRDgeometry::Ndet()); | |
793ff80c | 683 | |
4487dad0 | 684 | if (fPar->TRFOn()) { |
685 | timeTRDbeg = ((Int_t) (-fPar->GetTRFlo() / fPar->GetTimeBinSize())) - 1; | |
686 | timeTRDend = ((Int_t) ( fPar->GetTRFhi() / fPar->GetTimeBinSize())) - 1; | |
e23fbb27 | 687 | if (fDebug > 0) { |
688 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 689 | printf("Sample the TRF between -%d and %d\n",timeTRDbeg,timeTRDend); |
690 | } | |
da581aea | 691 | } |
692 | ||
4487dad0 | 693 | Float_t elAttachProp = fPar->GetElAttachProp() / 100.; |
793ff80c | 694 | |
872a7aba | 695 | if (!fGeo) { |
e23fbb27 | 696 | printf("<AliTRDdigitizer::MakeDigits> "); |
872a7aba | 697 | printf("No geometry defined\n"); |
698 | return kFALSE; | |
699 | } | |
700 | ||
e23fbb27 | 701 | if (fDebug > 0) { |
702 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 703 | printf("Start creating digits.\n"); |
704 | } | |
872a7aba | 705 | |
793ff80c | 706 | // Get the pointer to the hit tree |
0a29d0f1 | 707 | TTree *hitTree = gAlice->TreeH(); |
793ff80c | 708 | |
709 | // Get the number of entries in the hit tree | |
710 | // (Number of primary particles creating a hit somewhere) | |
0c24ba98 | 711 | Int_t nTrack = 1; |
712 | if (!fSimpleSim) { | |
713 | nTrack = (Int_t) hitTree->GetEntries(); | |
714 | if (fDebug > 0) { | |
715 | printf("<AliTRDdigitizer::MakeDigits> "); | |
716 | printf("Found %d primary particles\n",nTrack); | |
717 | } | |
718 | } | |
793ff80c | 719 | |
720 | Int_t detectorOld = -1; | |
721 | Int_t countHits = 0; | |
722 | ||
723 | // Loop through all entries in the tree | |
724 | for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) { | |
725 | ||
0c24ba98 | 726 | if (!fSimpleSim) { |
727 | gAlice->ResetHits(); | |
728 | nBytes += hitTree->GetEvent(iTrack); | |
729 | } | |
793ff80c | 730 | |
e23fbb27 | 731 | // Loop through the TRD hits |
732 | Int_t iHit = 0; | |
733 | AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); | |
734 | while (hit) { | |
735 | ||
793ff80c | 736 | countHits++; |
e23fbb27 | 737 | iHit++; |
738 | ||
739 | pos[0] = hit->X(); | |
740 | pos[1] = hit->Y(); | |
741 | pos[2] = hit->Z(); | |
742 | Float_t q = hit->GetCharge(); | |
743 | Int_t track = hit->Track(); | |
744 | Int_t detector = hit->GetDetector(); | |
745 | Int_t plane = fGeo->GetPlane(detector); | |
746 | Int_t sector = fGeo->GetSector(detector); | |
747 | Int_t chamber = fGeo->GetChamber(detector); | |
4487dad0 | 748 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
749 | Int_t nColMax = fPar->GetColMax(plane); | |
750 | Int_t nTimeMax = fPar->GetTimeMax(); | |
751 | Int_t nTimeBefore = fPar->GetTimeBefore(); | |
752 | Int_t nTimeAfter = fPar->GetTimeAfter(); | |
753 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
754 | Float_t row0 = fPar->GetRow0(plane,chamber,sector); | |
755 | Float_t col0 = fPar->GetCol0(plane); | |
756 | Float_t time0 = fPar->GetTime0(plane); | |
757 | Float_t rowPadSize = fPar->GetRowPadSize(plane,chamber,sector); | |
758 | Float_t colPadSize = fPar->GetColPadSize(plane); | |
759 | Float_t timeBinSize = fPar->GetTimeBinSize(); | |
872a7aba | 760 | Float_t divideRow = 1.0 / rowPadSize; |
761 | Float_t divideCol = 1.0 / colPadSize; | |
762 | Float_t divideTime = 1.0 / timeBinSize; | |
793ff80c | 763 | |
e23fbb27 | 764 | if (fDebug > 1) { |
793ff80c | 765 | printf("Analyze hit no. %d ",iHit); |
766 | printf("-----------------------------------------------------------\n"); | |
767 | hit->Dump(); | |
768 | printf("plane = %d, sector = %d, chamber = %d\n" | |
769 | ,plane,sector,chamber); | |
770 | printf("nRowMax = %d, nColMax = %d, nTimeMax = %d\n" | |
771 | ,nRowMax,nColMax,nTimeMax); | |
872a7aba | 772 | printf("nTimeBefore = %d, nTimeAfter = %d, nTimeTotal = %d\n" |
773 | ,nTimeBefore,nTimeAfter,nTimeTotal); | |
793ff80c | 774 | printf("row0 = %f, col0 = %f, time0 = %f\n" |
775 | ,row0,col0,time0); | |
c1e4b257 | 776 | printf("rowPadSize = %f, colPadSize = %f, timeBinSize = %f\n" |
777 | ,rowPadSize,colPadSize,timeBinSize); | |
793ff80c | 778 | } |
779 | ||
e23fbb27 | 780 | // Don't analyze test hits and switched off detectors |
781 | if ((CheckDetector(plane,chamber,sector)) && | |
782 | (((Int_t) q) != 0)) { | |
dd56b762 | 783 | |
e23fbb27 | 784 | if (detector != detectorOld) { |
e153aaf6 | 785 | |
e23fbb27 | 786 | if (fDebug > 1) { |
787 | printf("<AliTRDdigitizer::MakeDigits> "); | |
788 | printf("Get new container. New det = %d, Old det = %d\n" | |
789 | ,detector,detectorOld); | |
dd9a6ee3 | 790 | } |
e23fbb27 | 791 | // Compress the old one if enabled |
792 | if ((fCompress) && (detectorOld > -1)) { | |
793 | if (fDebug > 1) { | |
794 | printf("<AliTRDdigitizer::MakeDigits> "); | |
795 | printf("Compress the old container ..."); | |
796 | } | |
797 | signals->Compress(1,0); | |
798 | for (iDict = 0; iDict < kNDict; iDict++) { | |
799 | dictionary[iDict]->Compress(1,0); | |
c1e4b257 | 800 | } |
e23fbb27 | 801 | if (fDebug > 1) printf("done\n"); |
793ff80c | 802 | } |
e23fbb27 | 803 | // Get the new container |
804 | signals = (AliTRDdataArrayF *) signalsArray->At(detector); | |
805 | if (signals->GetNtime() == 0) { | |
806 | // Allocate a new one if not yet existing | |
807 | if (fDebug > 1) { | |
808 | printf("<AliTRDdigitizer::MakeDigits> "); | |
809 | printf("Allocate a new container ... "); | |
810 | } | |
811 | signals->Allocate(nRowMax,nColMax,nTimeTotal); | |
793ff80c | 812 | } |
0c24ba98 | 813 | else if (fSimpleSim) { |
814 | // Clear an old one for the simple simulation | |
815 | if (fDebug > 1) { | |
816 | printf("<AliTRDdigitizer::MakeDigits> "); | |
817 | printf("Clear a old container ... "); | |
818 | } | |
819 | signals->Clear(); | |
820 | } | |
793ff80c | 821 | else { |
e23fbb27 | 822 | // Expand an existing one |
823 | if (fCompress) { | |
824 | if (fDebug > 1) { | |
825 | printf("<AliTRDdigitizer::MakeDigits> "); | |
826 | printf("Expand an existing container ... "); | |
827 | } | |
828 | signals->Expand(); | |
829 | } | |
793ff80c | 830 | } |
e23fbb27 | 831 | // The same for the dictionary |
0c24ba98 | 832 | if (!fSimpleSim) { |
833 | for (iDict = 0; iDict < kNDict; iDict++) { | |
834 | dictionary[iDict] = fDigitsManager->GetDictionary(detector,iDict); | |
835 | if (dictionary[iDict]->GetNtime() == 0) { | |
836 | dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
837 | } | |
838 | else { | |
839 | if (fCompress) dictionary[iDict]->Expand(); | |
840 | } | |
e23fbb27 | 841 | } |
842 | } | |
843 | if (fDebug > 1) printf("done\n"); | |
844 | detectorOld = detector; | |
793ff80c | 845 | } |
846 | ||
e23fbb27 | 847 | // Rotate the sectors on top of each other |
0c24ba98 | 848 | if (fSimpleSim) { |
849 | rot[0] = pos[0]; | |
850 | rot[1] = pos[1]; | |
851 | rot[2] = pos[2]; | |
852 | } | |
853 | else { | |
854 | fGeo->Rotate(detector,pos,rot); | |
855 | } | |
e23fbb27 | 856 | |
857 | // The driftlength. It is negative if the hit is in the | |
858 | // amplification region. | |
859 | Float_t driftlength = time0 - rot[0]; | |
860 | ||
861 | // Take also the drift in the amplification region into account | |
862 | // The drift length is at the moment still the same, regardless of | |
863 | // the position relativ to the wire. This non-isochronity needs still | |
864 | // to be implemented. | |
865 | Float_t driftlengthL = TMath::Abs(driftlength + kAmWidth); | |
4487dad0 | 866 | if (fPar->ExBOn()) driftlengthL /= TMath::Sqrt(fPar->GetLorentzFactor()); |
e23fbb27 | 867 | |
868 | // Loop over all electrons of this hit | |
869 | // TR photons produce hits with negative charge | |
870 | Int_t nEl = ((Int_t) TMath::Abs(q)); | |
871 | for (Int_t iEl = 0; iEl < nEl; iEl++) { | |
872 | ||
873 | xyz[0] = rot[0]; | |
874 | xyz[1] = rot[1]; | |
875 | xyz[2] = rot[2]; | |
876 | ||
877 | // Electron attachment | |
4487dad0 | 878 | if (fPar->ElAttachOn()) { |
e23fbb27 | 879 | if (gRandom->Rndm() < (driftlengthL * elAttachProp)) |
880 | continue; | |
881 | } | |
882 | ||
883 | // Apply the diffusion smearing | |
4487dad0 | 884 | if (fPar->DiffusionOn()) { |
885 | if (!(fPar->Diffusion(driftlengthL,xyz))) continue; | |
e23fbb27 | 886 | } |
f7336fa3 | 887 | |
e23fbb27 | 888 | // Apply E x B effects (depends on drift direction) |
4487dad0 | 889 | if (fPar->ExBOn()) { |
890 | if (!(fPar->ExB(driftlength+kAmWidth,xyz))) continue; | |
e23fbb27 | 891 | } |
793ff80c | 892 | |
e23fbb27 | 893 | // The electron position after diffusion and ExB in pad coordinates |
894 | // The pad row (z-direction) | |
895 | Float_t rowDist = xyz[2] - row0; | |
896 | Int_t rowE = ((Int_t) (rowDist * divideRow)); | |
897 | if ((rowE < 0) || (rowE >= nRowMax)) continue; | |
898 | Float_t rowOffset = ((((Float_t) rowE) + 0.5) * rowPadSize) - rowDist; | |
899 | ||
900 | // The pad column (rphi-direction) | |
4487dad0 | 901 | Float_t col0tilt = fPar->Col0Tilted(col0,rowOffset,plane); |
e23fbb27 | 902 | Float_t colDist = xyz[1] - col0tilt; |
903 | Int_t colE = ((Int_t) (colDist * divideCol)); | |
904 | if ((colE < 0) || (colE >= nColMax)) continue; | |
905 | Float_t colOffset = ((((Float_t) colE) + 0.5) * colPadSize) - colDist; | |
906 | ||
907 | // The time bin (negative for hits in the amplification region) | |
908 | // In the amplification region the electrons drift from both sides | |
909 | // to the middle (anode wire plane) | |
910 | Float_t timeDist = time0 - xyz[0]; | |
911 | Float_t timeOffset = 0; | |
912 | Int_t timeE = 0; | |
913 | if (timeDist > 0) { | |
914 | // The time bin | |
915 | timeE = ((Int_t) (timeDist * divideTime)); | |
916 | // The distance of the position to the middle of the timebin | |
917 | timeOffset = ((((Float_t) timeE) + 0.5) * timeBinSize) - timeDist; | |
918 | } | |
919 | else { | |
920 | // Difference between half of the amplification gap width and | |
921 | // the distance to the anode wire | |
922 | Float_t anodeDist = kAmWidth - TMath::Abs(timeDist + kAmWidth); | |
923 | // The time bin | |
924 | timeE = -1 * (((Int_t ) (anodeDist * divideTime)) + 1); | |
925 | // The distance of the position to the middle of the timebin | |
926 | timeOffset = ((((Float_t) timeE) + 0.5) * timeBinSize) + anodeDist; | |
927 | } | |
872a7aba | 928 | |
e23fbb27 | 929 | // Apply the gas gain including fluctuations |
930 | Float_t ggRndm = 0.0; | |
931 | do { | |
932 | ggRndm = gRandom->Rndm(); | |
933 | } while (ggRndm <= 0); | |
4487dad0 | 934 | Int_t signal = (Int_t) (-fPar->GetGasGain() * TMath::Log(ggRndm)); |
e23fbb27 | 935 | |
936 | // Apply the pad response | |
4487dad0 | 937 | if (fPar->PRFOn()) { |
e23fbb27 | 938 | // The distance of the electron to the center of the pad |
939 | // in units of pad width | |
940 | Float_t dist = - colOffset * divideCol; | |
4487dad0 | 941 | if (!(fPar->PadResponse(signal,dist,plane,padSignal))) continue; |
793ff80c | 942 | } |
e23fbb27 | 943 | else { |
944 | padSignal[0] = 0.0; | |
945 | padSignal[1] = signal; | |
946 | padSignal[2] = 0.0; | |
947 | } | |
948 | ||
949 | // Sample the time response inside the drift region | |
950 | // + additional time bins before and after. | |
951 | // The sampling is done always in the middle of the time bin | |
952 | for (Int_t iTimeBin = TMath::Max(timeE-timeTRDbeg, -nTimeBefore) | |
953 | ;iTimeBin < TMath::Min(timeE+timeTRDend,nTimeMax+nTimeAfter ) | |
954 | ;iTimeBin++) { | |
955 | ||
956 | // Apply the time response | |
957 | Float_t timeResponse = 1.0; | |
958 | Float_t crossTalk = 0.0; | |
959 | Float_t time = (iTimeBin - timeE) * timeBinSize + timeOffset; | |
4487dad0 | 960 | if (fPar->TRFOn()) { |
961 | timeResponse = fPar->TimeResponse(time); | |
e23fbb27 | 962 | } |
4487dad0 | 963 | if (fPar->CTOn()) { |
964 | crossTalk = fPar->CrossTalk(time); | |
e23fbb27 | 965 | } |
966 | ||
967 | signalOld[0] = 0.0; | |
968 | signalOld[1] = 0.0; | |
969 | signalOld[2] = 0.0; | |
f7336fa3 | 970 | |
e23fbb27 | 971 | for (iPad = 0; iPad < kNpad; iPad++) { |
972 | ||
973 | Int_t colPos = colE + iPad - 1; | |
974 | if (colPos < 0) continue; | |
975 | if (colPos >= nColMax) break; | |
976 | ||
977 | // Add the signals | |
978 | // Note: The time bin number is shifted by nTimeBefore to avoid negative | |
979 | // time bins. This has to be subtracted later. | |
980 | Int_t iCurrentTimeBin = iTimeBin + nTimeBefore; | |
981 | signalOld[iPad] = signals->GetDataUnchecked(rowE,colPos,iCurrentTimeBin); | |
982 | if( colPos != colE ) { | |
983 | signalOld[iPad] += padSignal[iPad] * (timeResponse + crossTalk); | |
984 | } | |
985 | else { | |
986 | signalOld[iPad] += padSignal[iPad] * timeResponse; | |
987 | } | |
988 | signals->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,signalOld[iPad]); | |
989 | ||
990 | // Store the track index in the dictionary | |
991 | // Note: We store index+1 in order to allow the array to be compressed | |
0c24ba98 | 992 | if ((signalOld[iPad] > 0) && (!fSimpleSim)) { |
e23fbb27 | 993 | for (iDict = 0; iDict < kNDict; iDict++) { |
994 | Int_t oldTrack = dictionary[iDict]->GetDataUnchecked(rowE | |
995 | ,colPos | |
996 | ,iCurrentTimeBin); | |
997 | if (oldTrack == track+1) break; | |
998 | if (oldTrack == 0) { | |
999 | dictionary[iDict]->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,track+1); | |
1000 | break; | |
1001 | } | |
71d9fa7b | 1002 | } |
1003 | } | |
872a7aba | 1004 | |
e23fbb27 | 1005 | } // Loop: pads |
f7336fa3 | 1006 | |
e23fbb27 | 1007 | } // Loop: time bins |
f7336fa3 | 1008 | |
e23fbb27 | 1009 | } // Loop: electrons of a single hit |
f7336fa3 | 1010 | |
e23fbb27 | 1011 | } // If: detector and test hit |
f7336fa3 | 1012 | |
e23fbb27 | 1013 | hit = (AliTRDhit *) fTRD->NextHit(); |
f7336fa3 | 1014 | |
e23fbb27 | 1015 | } // Loop: hits of one primary track |
1016 | ||
1017 | } // Loop: primary tracks | |
1018 | ||
1019 | if (fDebug > 0) { | |
1020 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 1021 | printf("Finished analyzing %d hits\n",countHits); |
1022 | } | |
793ff80c | 1023 | |
0c24ba98 | 1024 | // The coupling factor |
1025 | Float_t coupling = fPar->GetPadCoupling() | |
1026 | * fPar->GetTimeCoupling(); | |
1027 | ||
1028 | // The conversion factor | |
1029 | Float_t convert = kEl2fC | |
1030 | * fPar->GetChipGain(); | |
6244debe | 1031 | |
793ff80c | 1032 | // Loop through all chambers to finalize the digits |
0c24ba98 | 1033 | Int_t iDetBeg = 0; |
1034 | Int_t iDetEnd = AliTRDgeometry::Ndet(); | |
1035 | if (fSimpleSim) { | |
1036 | iDetBeg = fSimpleDet; | |
1037 | iDetEnd = iDetBeg + 1; | |
1038 | } | |
1039 | for (Int_t iDet = iDetBeg; iDet < iDetEnd; iDet++) { | |
793ff80c | 1040 | |
872a7aba | 1041 | Int_t plane = fGeo->GetPlane(iDet); |
1042 | Int_t sector = fGeo->GetSector(iDet); | |
1043 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1044 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1045 | Int_t nColMax = fPar->GetColMax(plane); | |
1046 | Int_t nTimeMax = fPar->GetTimeMax(); | |
1047 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
793ff80c | 1048 | |
e23fbb27 | 1049 | Double_t *inADC = new Double_t[nTimeTotal]; |
1050 | Double_t *outADC = new Double_t[nTimeTotal]; | |
1051 | ||
1052 | if (fDebug > 0) { | |
1053 | printf("<AliTRDdigitizer::MakeDigits> "); | |
793ff80c | 1054 | printf("Digitization for chamber %d\n",iDet); |
1055 | } | |
da581aea | 1056 | |
793ff80c | 1057 | // Add a container for the digits of this detector |
abaf1f1d | 1058 | digits = fDigitsManager->GetDigits(iDet); |
793ff80c | 1059 | // Allocate memory space for the digits buffer |
0c24ba98 | 1060 | if (digits->GetNtime() == 0) { |
1061 | digits->Allocate(nRowMax,nColMax,nTimeTotal); | |
1062 | } | |
1063 | else if (fSimpleSim) { | |
1064 | digits->Clear(); | |
1065 | } | |
1066 | ||
793ff80c | 1067 | // Get the signal container |
1068 | signals = (AliTRDdataArrayF *) signalsArray->At(iDet); | |
1069 | if (signals->GetNtime() == 0) { | |
1070 | // Create missing containers | |
872a7aba | 1071 | signals->Allocate(nRowMax,nColMax,nTimeTotal); |
793ff80c | 1072 | } |
1073 | else { | |
1074 | // Expand the container if neccessary | |
1075 | if (fCompress) signals->Expand(); | |
1076 | } | |
1077 | // Create the missing dictionary containers | |
0c24ba98 | 1078 | if (!fSimpleSim) { |
1079 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1080 | dictionary[iDict] = fDigitsManager->GetDictionary(iDet,iDict); | |
1081 | if (dictionary[iDict]->GetNtime() == 0) { | |
1082 | dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
1083 | } | |
1084 | } | |
793ff80c | 1085 | } |
f7336fa3 | 1086 | |
793ff80c | 1087 | Int_t nDigits = 0; |
1088 | ||
6244debe | 1089 | // Don't create noise in detectors that are switched off |
1090 | if (CheckDetector(plane,chamber,sector)) { | |
1091 | ||
1092 | // Create the digits for this chamber | |
872a7aba | 1093 | for (iRow = 0; iRow < nRowMax; iRow++ ) { |
1094 | for (iCol = 0; iCol < nColMax; iCol++ ) { | |
6244debe | 1095 | |
e23fbb27 | 1096 | // Create summable digits |
1097 | if (fSDigits) { | |
6244debe | 1098 | |
e23fbb27 | 1099 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
872a7aba | 1100 | Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); |
abaf1f1d | 1101 | signalAmp *= fSDigitsScale; |
e23fbb27 | 1102 | signalAmp = TMath::Min(signalAmp,(Float_t) 1.0e9); |
abaf1f1d | 1103 | Int_t adc = (Int_t) signalAmp; |
4487dad0 | 1104 | if (adc > 0) nDigits++; |
872a7aba | 1105 | digits->SetDataUnchecked(iRow,iCol,iTime,adc); |
c1e4b257 | 1106 | } |
6244debe | 1107 | |
e23fbb27 | 1108 | } |
1109 | // Create normal digits | |
1110 | else { | |
6244debe | 1111 | |
e23fbb27 | 1112 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
1113 | Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); | |
0c24ba98 | 1114 | // Pad and time coupling |
1115 | signalAmp *= coupling; | |
7e582e9f | 1116 | // Add the noise, starting from minus ADC baseline in electrons |
1117 | Double_t baselineEl = fPar->GetADCbaseline() * (fPar->GetADCinRange() | |
1118 | / fPar->GetADCoutRange()) | |
1119 | / convert; | |
1120 | signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,fPar->GetNoise()) | |
1121 | ,-baselineEl); | |
6244debe | 1122 | // Convert to mV |
1123 | signalAmp *= convert; | |
7e582e9f | 1124 | // Add ADC baseline in mV |
1125 | signalAmp += fPar->GetADCbaseline() * (fPar->GetADCinRange() | |
1126 | / fPar->GetADCoutRange()); | |
1127 | // Convert to ADC counts. Set the overflow-bit fADCoutRange if the | |
6244debe | 1128 | // signal is larger than fADCinRange |
1129 | Int_t adc = 0; | |
4487dad0 | 1130 | if (signalAmp >= fPar->GetADCinRange()) { |
1131 | adc = ((Int_t) fPar->GetADCoutRange()); | |
6244debe | 1132 | } |
1133 | else { | |
4487dad0 | 1134 | adc = ((Int_t) (signalAmp * (fPar->GetADCoutRange() |
1135 | / fPar->GetADCinRange()))); | |
6244debe | 1136 | } |
e23fbb27 | 1137 | inADC[iTime] = adc; |
1138 | outADC[iTime] = adc; | |
1139 | } | |
6244debe | 1140 | |
e23fbb27 | 1141 | // Apply the tail cancelation via the digital filter |
4487dad0 | 1142 | if (fPar->TCOn()) { |
1143 | DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp()); | |
e23fbb27 | 1144 | } |
1145 | ||
1146 | for (iTime = 0; iTime < nTimeTotal; iTime++) { | |
6244debe | 1147 | // Store the amplitude of the digit if above threshold |
4487dad0 | 1148 | if (outADC[iTime] > fPar->GetADCthreshold()) { |
e23fbb27 | 1149 | if (fDebug > 2) { |
1150 | printf(" iRow = %d, iCol = %d, iTime = %d, adc = %f\n" | |
1151 | ,iRow,iCol,iTime,outADC[iTime]); | |
6244debe | 1152 | } |
1153 | nDigits++; | |
3583ac1a | 1154 | digits->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); |
6244debe | 1155 | } |
6244debe | 1156 | } |
1157 | ||
1158 | } | |
e23fbb27 | 1159 | |
6244debe | 1160 | } |
793ff80c | 1161 | } |
6244debe | 1162 | |
793ff80c | 1163 | } |
1164 | ||
1165 | // Compress the arrays | |
0c24ba98 | 1166 | if (!fSimpleSim) { |
17eee78a | 1167 | |
0c24ba98 | 1168 | digits->Compress(1,0); |
1169 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1170 | dictionary[iDict]->Compress(1,0); | |
1171 | } | |
f7336fa3 | 1172 | |
0c24ba98 | 1173 | totalSizeDigits += digits->GetSize(); |
1174 | totalSizeDict0 += dictionary[0]->GetSize(); | |
1175 | totalSizeDict1 += dictionary[1]->GetSize(); | |
1176 | totalSizeDict2 += dictionary[2]->GetSize(); | |
f7336fa3 | 1177 | |
0c24ba98 | 1178 | Float_t nPixel = nRowMax * nColMax * nTimeMax; |
1179 | if (fDebug > 0) { | |
1180 | printf("<AliTRDdigitizer::MakeDigits> "); | |
1181 | printf("Found %d digits in detector %d (%3.0f).\n" | |
1182 | ,nDigits,iDet | |
1183 | ,100.0 * ((Float_t) nDigits) / nPixel); | |
1184 | } | |
1185 | ||
1186 | if (fCompress) signals->Compress(1,0); | |
abaf1f1d | 1187 | |
0c24ba98 | 1188 | } |
f7336fa3 | 1189 | |
e23fbb27 | 1190 | delete [] inADC; |
1191 | delete [] outADC; | |
1192 | ||
f7336fa3 | 1193 | } |
1194 | ||
0c24ba98 | 1195 | if (signalsArray) { |
1196 | delete signalsArray; | |
1197 | signalsArray = 0; | |
1198 | } | |
1199 | ||
e23fbb27 | 1200 | if (fDebug > 0) { |
1201 | printf("<AliTRDdigitizer::MakeDigits> "); | |
abaf1f1d | 1202 | printf("Total number of analyzed hits = %d\n",countHits); |
0c24ba98 | 1203 | if (!fSimpleSim) { |
1204 | printf("<AliTRDdigitizer::MakeDigits> "); | |
1205 | printf("Total digits data size = %d, %d, %d, %d\n",totalSizeDigits | |
1206 | ,totalSizeDict0 | |
1207 | ,totalSizeDict1 | |
1208 | ,totalSizeDict2); | |
1209 | } | |
abaf1f1d | 1210 | } |
1211 | ||
1212 | return kTRUE; | |
1213 | ||
1214 | } | |
1215 | ||
1216 | //_____________________________________________________________________________ | |
1217 | void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) | |
1218 | { | |
1219 | // | |
1220 | // Add a digits manager for s-digits to the input list. | |
1221 | // | |
1222 | ||
1223 | fSDigitsManagerList->Add(man); | |
1224 | ||
1225 | } | |
1226 | ||
b1113c6b | 1227 | //_____________________________________________________________________________ |
1228 | void AliTRDdigitizer::DeleteSDigitsManager() | |
1229 | { | |
1230 | // | |
1231 | // Removes digits manager from the input list. | |
1232 | // | |
1233 | ||
1234 | fSDigitsManagerList->Delete(); | |
1235 | ||
1236 | } | |
1237 | ||
abaf1f1d | 1238 | //_____________________________________________________________________________ |
1239 | Bool_t AliTRDdigitizer::ConvertSDigits() | |
1240 | { | |
1241 | // | |
1242 | // Converts s-digits to normal digits | |
1243 | // | |
1244 | ||
1245 | // Number of track dictionary arrays | |
1246 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1247 | ||
1248 | // Converts number of electrons to fC | |
1249 | const Double_t kEl2fC = 1.602E-19 * 1.0E15; | |
1250 | ||
1251 | Int_t iDict = 0; | |
e23fbb27 | 1252 | Int_t iRow; |
1253 | Int_t iCol; | |
1254 | Int_t iTime; | |
abaf1f1d | 1255 | |
4487dad0 | 1256 | if (!fPar) { |
1257 | fPar = new AliTRDparameter("TRDparameter","Standard parameter"); | |
1258 | if (fDebug > 0) { | |
1259 | printf("<AliTRDdigitizer::ConvertSDigits> "); | |
1260 | printf("Create the default parameter object\n"); | |
1261 | } | |
abaf1f1d | 1262 | } |
1263 | ||
1264 | Double_t sDigitsScale = 1.0 / GetSDigitsScale(); | |
4487dad0 | 1265 | Double_t noise = fPar->GetNoise(); |
1266 | Double_t padCoupling = fPar->GetPadCoupling(); | |
1267 | Double_t timeCoupling = fPar->GetTimeCoupling(); | |
1268 | Double_t chipGain = fPar->GetChipGain(); | |
0c24ba98 | 1269 | Double_t coupling = padCoupling * timeCoupling; |
1270 | Double_t convert = kEl2fC * chipGain; | |
4487dad0 | 1271 | Double_t adcInRange = fPar->GetADCinRange(); |
1272 | Double_t adcOutRange = fPar->GetADCoutRange(); | |
1273 | Int_t adcThreshold = fPar->GetADCthreshold(); | |
7e582e9f | 1274 | Int_t adcBaseline = fPar->GetADCbaseline(); |
abaf1f1d | 1275 | |
1276 | AliTRDdataArrayI *digitsIn; | |
1277 | AliTRDdataArrayI *digitsOut; | |
1278 | AliTRDdataArrayI *dictionaryIn[kNDict]; | |
1279 | AliTRDdataArrayI *dictionaryOut[kNDict]; | |
1280 | ||
1281 | // Loop through the detectors | |
1282 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
da581aea | 1283 | |
e23fbb27 | 1284 | if (fDebug > 0) { |
1285 | printf("<AliTRDdigitizer::ConvertSDigits> "); | |
abaf1f1d | 1286 | printf("Convert detector %d to digits.\n",iDet); |
1287 | } | |
1288 | ||
1289 | Int_t plane = fGeo->GetPlane(iDet); | |
1290 | Int_t sector = fGeo->GetSector(iDet); | |
1291 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1292 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1293 | Int_t nColMax = fPar->GetColMax(plane); | |
1294 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
abaf1f1d | 1295 | |
e23fbb27 | 1296 | Double_t *inADC = new Double_t[nTimeTotal]; |
1297 | Double_t *outADC = new Double_t[nTimeTotal]; | |
1298 | ||
abaf1f1d | 1299 | digitsIn = fSDigitsManager->GetDigits(iDet); |
1300 | digitsIn->Expand(); | |
1301 | digitsOut = fDigitsManager->GetDigits(iDet); | |
1302 | digitsOut->Allocate(nRowMax,nColMax,nTimeTotal); | |
1303 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1304 | dictionaryIn[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); | |
1305 | dictionaryIn[iDict]->Expand(); | |
1306 | dictionaryOut[iDict] = fDigitsManager->GetDictionary(iDet,iDict); | |
1307 | dictionaryOut[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); | |
1308 | } | |
1309 | ||
e23fbb27 | 1310 | for (iRow = 0; iRow < nRowMax; iRow++ ) { |
1311 | for (iCol = 0; iCol < nColMax; iCol++ ) { | |
abaf1f1d | 1312 | |
e23fbb27 | 1313 | for (iTime = 0; iTime < nTimeTotal; iTime++) { |
abaf1f1d | 1314 | Double_t signal = (Double_t) digitsIn->GetDataUnchecked(iRow,iCol,iTime); |
1315 | signal *= sDigitsScale; | |
0c24ba98 | 1316 | // Pad and time coupling |
1317 | signal *= coupling; | |
7e582e9f | 1318 | // Add the noise, starting from minus ADC baseline in electrons |
1319 | Double_t baselineEl = adcBaseline * (adcInRange / adcOutRange) / convert; | |
1320 | signal = TMath::Max((Double_t) gRandom->Gaus(signal,noise),-baselineEl); | |
abaf1f1d | 1321 | // Convert to mV |
1322 | signal *= convert; | |
7e582e9f | 1323 | // add ADC baseline in mV |
1324 | signal += adcBaseline * (adcInRange / adcOutRange); | |
abaf1f1d | 1325 | // Convert to ADC counts. Set the overflow-bit adcOutRange if the |
1326 | // signal is larger than adcInRange | |
1327 | Int_t adc = 0; | |
1328 | if (signal >= adcInRange) { | |
1329 | adc = ((Int_t) adcOutRange); | |
1330 | } | |
1331 | else { | |
1332 | adc = ((Int_t) (signal * (adcOutRange / adcInRange))); | |
1333 | } | |
e23fbb27 | 1334 | inADC[iTime] = adc; |
1335 | outADC[iTime] = adc; | |
1336 | } | |
1337 | ||
1338 | // Apply the tail cancelation via the digital filter | |
4487dad0 | 1339 | if (fPar->TCOn()) { |
1340 | DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp()); | |
e23fbb27 | 1341 | } |
1342 | ||
1343 | for (iTime = 0; iTime < nTimeTotal; iTime++) { | |
abaf1f1d | 1344 | // Store the amplitude of the digit if above threshold |
e23fbb27 | 1345 | if (outADC[iTime] > adcThreshold) { |
3583ac1a | 1346 | digitsOut->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); |
e23fbb27 | 1347 | // Copy the dictionary |
1348 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1349 | Int_t track = dictionaryIn[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1350 | dictionaryOut[iDict]->SetDataUnchecked(iRow,iCol,iTime,track); | |
1351 | } | |
abaf1f1d | 1352 | } |
abaf1f1d | 1353 | } |
e23fbb27 | 1354 | |
abaf1f1d | 1355 | } |
1356 | } | |
1357 | ||
1358 | if (fCompress) { | |
1359 | digitsIn->Compress(1,0); | |
1360 | digitsOut->Compress(1,0); | |
1361 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1362 | dictionaryIn[iDict]->Compress(1,0); | |
1363 | dictionaryOut[iDict]->Compress(1,0); | |
1364 | } | |
1365 | } | |
1366 | ||
e23fbb27 | 1367 | delete [] inADC; |
1368 | delete [] outADC; | |
1369 | ||
abaf1f1d | 1370 | } |
f7336fa3 | 1371 | |
1372 | return kTRUE; | |
1373 | ||
1374 | } | |
1375 | ||
16bf9884 | 1376 | //_____________________________________________________________________________ |
abaf1f1d | 1377 | Bool_t AliTRDdigitizer::MergeSDigits() |
16bf9884 | 1378 | { |
1379 | // | |
abaf1f1d | 1380 | // Merges the input s-digits: |
1381 | // - The amplitude of the different inputs are summed up. | |
1382 | // - Of the track IDs from the input dictionaries only one is | |
1383 | // kept for each input. This works for maximal 3 different merged inputs. | |
16bf9884 | 1384 | // |
1385 | ||
abaf1f1d | 1386 | // Number of track dictionary arrays |
1387 | const Int_t kNDict = AliTRDdigitsManager::kNDict; | |
1388 | ||
4487dad0 | 1389 | if (!fPar) { |
1390 | fPar = new AliTRDparameter("TRDparameter","Standard parameter"); | |
1391 | if (fDebug > 0) { | |
1392 | printf("<AliTRDdigitizer::MergeSDigits> "); | |
1393 | printf("Create the default parameter object\n"); | |
1394 | } | |
1395 | } | |
1396 | ||
abaf1f1d | 1397 | Int_t iDict = 0; |
e23fbb27 | 1398 | Int_t jDict = 0; |
abaf1f1d | 1399 | |
1400 | AliTRDdataArrayI *digitsA; | |
1401 | AliTRDdataArrayI *digitsB; | |
1402 | AliTRDdataArrayI *dictionaryA[kNDict]; | |
1403 | AliTRDdataArrayI *dictionaryB[kNDict]; | |
1404 | ||
1405 | // Get the first s-digits | |
1406 | fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); | |
1407 | if (!fSDigitsManager) return kFALSE; | |
1408 | ||
1409 | // Loop through the other sets of s-digits | |
1410 | AliTRDdigitsManager *mergeSDigitsManager; | |
1411 | mergeSDigitsManager = (AliTRDdigitsManager *) | |
1412 | fSDigitsManagerList->After(fSDigitsManager); | |
1413 | ||
e23fbb27 | 1414 | if (fDebug > 0) { |
abaf1f1d | 1415 | if (mergeSDigitsManager) { |
e23fbb27 | 1416 | printf("<AliTRDdigitizer::MergeSDigits> "); |
1417 | printf("Merge %d input files.\n",fSDigitsManagerList->GetSize()); | |
abaf1f1d | 1418 | } |
1419 | else { | |
e23fbb27 | 1420 | printf("<AliTRDdigitizer::MergeSDigits> "); |
abaf1f1d | 1421 | printf("Only one input file.\n"); |
1422 | } | |
1423 | } | |
1424 | ||
1425 | Int_t iMerge = 0; | |
1426 | while (mergeSDigitsManager) { | |
1427 | ||
1428 | iMerge++; | |
1429 | ||
1430 | // Loop through the detectors | |
1431 | for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { | |
1432 | ||
1433 | Int_t plane = fGeo->GetPlane(iDet); | |
1434 | Int_t sector = fGeo->GetSector(iDet); | |
1435 | Int_t chamber = fGeo->GetChamber(iDet); | |
4487dad0 | 1436 | Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector); |
1437 | Int_t nColMax = fPar->GetColMax(plane); | |
1438 | Int_t nTimeTotal = fPar->GetTimeTotal(); | |
abaf1f1d | 1439 | |
1440 | // Loop through the pixels of one detector and add the signals | |
1441 | digitsA = fSDigitsManager->GetDigits(iDet); | |
1442 | digitsB = mergeSDigitsManager->GetDigits(iDet); | |
1443 | digitsA->Expand(); | |
1444 | digitsB->Expand(); | |
1445 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1446 | dictionaryA[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); | |
1447 | dictionaryB[iDict] = mergeSDigitsManager->GetDictionary(iDet,iDict); | |
1448 | dictionaryA[iDict]->Expand(); | |
1449 | dictionaryB[iDict]->Expand(); | |
1450 | } | |
1451 | ||
4487dad0 | 1452 | // Merge only detectors that contain a signal |
1453 | Bool_t doMerge = kTRUE; | |
1454 | if (fMergeSignalOnly) { | |
1455 | if (digitsA->GetOverThreshold(0) == 0) { | |
1456 | doMerge = kFALSE; | |
1457 | } | |
abaf1f1d | 1458 | } |
1459 | ||
4487dad0 | 1460 | if (doMerge) { |
abaf1f1d | 1461 | |
4487dad0 | 1462 | if (fDebug > 0) { |
1463 | printf("<AliTRDdigitizer::MergeSDigits> "); | |
1464 | printf("Merge detector %d of input no.%d\n",iDet,iMerge+1); | |
1465 | } | |
abaf1f1d | 1466 | |
4487dad0 | 1467 | for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { |
1468 | for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { | |
1469 | for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { | |
1470 | ||
1471 | // Add the amplitudes of the summable digits | |
1472 | Int_t ampA = digitsA->GetDataUnchecked(iRow,iCol,iTime); | |
1473 | Int_t ampB = digitsB->GetDataUnchecked(iRow,iCol,iTime); | |
1474 | ampA += ampB; | |
1475 | digitsA->SetDataUnchecked(iRow,iCol,iTime,ampA); | |
1476 | ||
1477 | // Add the mask to the track id if defined. | |
1478 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1479 | Int_t trackB = dictionaryB[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1480 | if ((fMasks) && (trackB > 0)) { | |
1481 | for (jDict = 0; jDict < kNDict; jDict++) { | |
1482 | Int_t trackA = dictionaryA[iDict]->GetDataUnchecked(iRow,iCol,iTime); | |
1483 | if (trackA == 0) { | |
1484 | trackA = trackB + fMasks[iMerge]; | |
1485 | dictionaryA[iDict]->SetDataUnchecked(iRow,iCol,iTime,trackA); | |
1486 | } | |
1487 | } | |
1488 | } | |
e23fbb27 | 1489 | } |
abaf1f1d | 1490 | |
4487dad0 | 1491 | } |
abaf1f1d | 1492 | } |
4487dad0 | 1493 | } |
1494 | ||
abaf1f1d | 1495 | } |
1496 | ||
1497 | if (fCompress) { | |
1498 | digitsA->Compress(1,0); | |
1499 | digitsB->Compress(1,0); | |
1500 | for (iDict = 0; iDict < kNDict; iDict++) { | |
1501 | dictionaryA[iDict]->Compress(1,0); | |
1502 | dictionaryB[iDict]->Compress(1,0); | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | } | |
1507 | ||
1508 | // The next set of s-digits | |
1509 | mergeSDigitsManager = (AliTRDdigitsManager *) | |
1510 | fSDigitsManagerList->After(mergeSDigitsManager); | |
1511 | ||
1512 | } | |
1513 | ||
16bf9884 | 1514 | return kTRUE; |
1515 | ||
1516 | } | |
1517 | ||
abaf1f1d | 1518 | //_____________________________________________________________________________ |
1519 | Bool_t AliTRDdigitizer::SDigits2Digits() | |
1520 | { | |
1521 | // | |
1522 | // Merges the input s-digits and converts them to normal digits | |
1523 | // | |
1524 | ||
1525 | if (!MergeSDigits()) return kFALSE; | |
1526 | ||
1527 | return ConvertSDigits(); | |
1528 | ||
1529 | } | |
1530 | ||
793ff80c | 1531 | //_____________________________________________________________________________ |
1532 | Bool_t AliTRDdigitizer::CheckDetector(Int_t plane, Int_t chamber, Int_t sector) | |
1533 | { | |
1534 | // | |
1535 | // Checks whether a detector is enabled | |
1536 | // | |
1537 | ||
0c24ba98 | 1538 | if (fSimpleSim) return kTRUE; |
1539 | ||
793ff80c | 1540 | if ((fTRD->GetSensChamber() >= 0) && |
1541 | (fTRD->GetSensChamber() != chamber)) return kFALSE; | |
1542 | if ((fTRD->GetSensPlane() >= 0) && | |
c1e4b257 | 1543 | (fTRD->GetSensPlane() != plane)) return kFALSE; |
793ff80c | 1544 | if ( fTRD->GetSensSector() >= 0) { |
1545 | Int_t sens1 = fTRD->GetSensSector(); | |
1546 | Int_t sens2 = sens1 + fTRD->GetSensSectorRange(); | |
1547 | sens2 -= ((Int_t) (sens2 / AliTRDgeometry::Nsect())) | |
1548 | * AliTRDgeometry::Nsect(); | |
1549 | if (sens1 < sens2) { | |
1550 | if ((sector < sens1) || (sector >= sens2)) return kFALSE; | |
1551 | } | |
1552 | else { | |
1553 | if ((sector < sens1) && (sector >= sens2)) return kFALSE; | |
1554 | } | |
1555 | } | |
1556 | ||
1557 | return kTRUE; | |
1558 | ||
1559 | } | |
1560 | ||
f7336fa3 | 1561 | //_____________________________________________________________________________ |
0a29d0f1 | 1562 | Bool_t AliTRDdigitizer::WriteDigits() const |
f7336fa3 | 1563 | { |
1564 | // | |
1565 | // Writes out the TRD-digits and the dictionaries | |
1566 | // | |
1567 | ||
da581aea | 1568 | // Store the digits and the dictionary in the tree |
abaf1f1d | 1569 | return fDigitsManager->WriteDigits(); |
f7336fa3 | 1570 | |
1571 | } | |
793ff80c | 1572 | |
e23fbb27 | 1573 | //_____________________________________________________________________________ |
1574 | void AliTRDdigitizer::DeConvExp(Double_t *source, Double_t *target | |
1575 | , Int_t n, Int_t nexp) | |
1576 | { | |
1577 | // | |
1578 | // Does the deconvolution by the digital filter. | |
1579 | // | |
1580 | // Author: Marcus Gutfleisch, KIP Heidelberg | |
1581 | // Optimized for: New TRF from Venelin Angelov, simulated with CADENCE | |
1582 | // Pad-ground capacitance = 25 pF | |
1583 | // Pad-pad cross talk capacitance = 6 pF | |
1584 | // For 10 MHz digitization, corresponding to 20 time bins | |
1585 | // in the drift region | |
1586 | // | |
1587 | ||
1588 | Double_t rates[2]; | |
1589 | Double_t coefficients[2]; | |
1590 | ||
1591 | /* initialize (coefficient = alpha, rates = lambda) */ | |
1592 | ||
1593 | if( nexp == 1 ) { | |
1594 | rates[0] = 0.466998; | |
1595 | /* no rescaling */ | |
1596 | coefficients[0] = 1.0; | |
1597 | } | |
1598 | if( nexp == 2 ) { | |
1599 | rates[0] = 0.8988162; | |
1600 | coefficients[0] = 0.11392069; | |
1601 | rates[1] = 0.3745688; | |
1602 | coefficients[1] = 0.8860793; | |
1603 | /* no rescaling */ | |
1604 | Float_t sumc = coefficients[0]+coefficients[1]; | |
1605 | coefficients[0] /= sumc; | |
1606 | coefficients[1] /= sumc; | |
1607 | } | |
1608 | ||
1609 | Int_t i, k; | |
1610 | Double_t reminder[2]; | |
1611 | Double_t correction, result; | |
1612 | ||
1613 | /* attention: computation order is important */ | |
1614 | correction=0.0; | |
1615 | for ( k = 0; k < nexp; k++ ) reminder[k]=0.0; | |
1616 | ||
1617 | for ( i = 0; i < n; i++ ) { | |
1618 | result = ( source[i] - correction ); /* no rescaling */ | |
1619 | target[i] = result; | |
1620 | ||
1621 | for ( k = 0; k < nexp; k++ ) reminder[k] = rates[k] | |
1622 | * ( reminder[k] + coefficients[k] * result); | |
1623 | ||
1624 | correction=0.0; | |
1625 | for ( k = 0; k < nexp; k++ ) correction += reminder[k]; | |
1626 | } | |
1627 | ||
1628 | } | |
1629 | ||
8e64dd77 | 1630 | //_____________________________________________________________________________ |
1631 | void AliTRDdigitizer::InitOutput(TFile *file, Int_t iEvent) | |
1632 | { | |
1633 | // | |
1634 | // Initializes the output branches | |
1635 | // | |
1636 | ||
1637 | fEvent = iEvent; | |
1638 | fDigitsManager->MakeTreeAndBranches(file,iEvent); | |
1639 | ||
1640 | } |