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92aeef15 | 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 | // $Id$ | |
17 | ||
9edefa04 | 18 | |
92aeef15 | 19 | #include "AliMUONDigitizerV3.h" |
20 | ||
40e382ae | 21 | #include "AliCDBManager.h" |
22 | #include "AliLog.h" | |
4ce497c4 | 23 | #include "AliMUON.h" |
92aeef15 | 24 | #include "AliMUONCalibrationData.h" |
92aeef15 | 25 | #include "AliMUONConstants.h" |
92aeef15 | 26 | #include "AliMUONDigit.h" |
ad26d4f6 | 27 | #include "AliMUONLogger.h" |
4ce497c4 | 28 | #include "AliMUONTriggerEfficiencyCells.h" |
4f8a3d8b | 29 | #include "AliMUONTriggerElectronics.h" |
40e382ae | 30 | #include "AliMUONTriggerStoreV1.h" |
05314992 | 31 | #include "AliMUONVCalibParam.h" |
40e382ae | 32 | #include "AliMUONVDigitStore.h" |
33 | #include "AliMpCathodType.h" | |
34 | #include "AliMpConstants.h" | |
4ce497c4 | 35 | #include "AliMpDEIterator.h" |
92aeef15 | 36 | #include "AliMpDEManager.h" |
40e382ae | 37 | #include "AliMpDEManager.h" |
4ce497c4 | 38 | #include "AliMpIntPair.h" |
39 | #include "AliMpPad.h" | |
9265505b | 40 | #include "AliMpSegmentation.h" |
40e382ae | 41 | #include "AliMpStationType.h" |
4ce497c4 | 42 | #include "AliMpVSegmentation.h" |
92aeef15 | 43 | #include "AliRun.h" |
44 | #include "AliRunDigitizer.h" | |
45 | #include "AliRunLoader.h" | |
866c3232 | 46 | #include <Riostream.h> |
47 | #include <TF1.h> | |
40e382ae | 48 | #include <TFile.h> |
866c3232 | 49 | #include <TMath.h> |
50 | #include <TRandom.h> | |
51 | #include <TString.h> | |
40e382ae | 52 | #include <TSystem.h> |
53 | ||
8c0b5e70 | 54 | #include "AliMUONGeometryTransformer.h" //ADDED for trigger noise |
4ce497c4 | 55 | /// |
9265505b | 56 | /// \class AliMUONDigitizerV3 |
4ce497c4 | 57 | /// The digitizer is performing the transformation to go from SDigits (digits |
58 | /// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration) | |
59 | /// | |
60 | /// The decalibration is performed by doing the reverse operation of the | |
61 | /// calibration, that is we do (Signal+pedestal)/gain -> ADC | |
62 | /// | |
63 | /// Note also that the digitizer takes care of merging sdigits that belongs | |
64 | /// to the same pad, either because we're merging several input sdigit files | |
65 | /// or with a single file because the sdigitizer does not merge sdigits itself | |
66 | /// (for performance reason mainly, and because anyway we know we have to do it | |
67 | /// here, at the digitization level). | |
68 | /// | |
c4ee792d | 69 | /// \author Laurent Aphecetche |
4ce497c4 | 70 | |
71 | namespace | |
72 | { | |
73 | AliMUON* muon() | |
74 | { | |
75 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
76 | } | |
8c0b5e70 | 77 | |
78 | //ADDED for trigger noise | |
79 | const AliMUONGeometryTransformer* GetTransformer() | |
80 | { | |
81 | return muon()->GetGeometryTransformer(); | |
82 | } | |
4ce497c4 | 83 | } |
84 | ||
85 | const Double_t AliMUONDigitizerV3::fgkNSigmas=3; | |
86 | ||
9265505b | 87 | /// \cond CLASSIMP |
92aeef15 | 88 | ClassImp(AliMUONDigitizerV3) |
9265505b | 89 | /// \endcond |
92aeef15 | 90 | |
91 | //_____________________________________________________________________________ | |
92 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
8c0b5e70 | 93 | Int_t generateNoisyDigits) |
92aeef15 | 94 | : AliDigitizer(manager), |
92aeef15 | 95 | fIsInitialized(kFALSE), |
92aeef15 | 96 | fCalibrationData(0x0), |
97 | fTriggerProcessor(0x0), | |
4ce497c4 | 98 | fTriggerEfficiency(0x0), |
ccea41d4 | 99 | fGenerateNoisyDigitsTimer(), |
100 | fExecTimer(), | |
4ce497c4 | 101 | fNoiseFunction(0x0), |
8c0b5e70 | 102 | fNoiseFunctionTrig(0x0), |
ad26d4f6 | 103 | fGenerateNoisyDigits(generateNoisyDigits), |
40e382ae | 104 | fLogger(new AliMUONLogger(1000)), |
105 | fTriggerStore(new AliMUONTriggerStoreV1), | |
106 | fDigitStore(0x0), | |
107 | fOutputDigitStore(0x0) | |
92aeef15 | 108 | { |
9265505b | 109 | /// Ctor. |
110 | ||
92aeef15 | 111 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); |
4ce497c4 | 112 | fGenerateNoisyDigitsTimer.Start(kTRUE); fGenerateNoisyDigitsTimer.Stop(); |
113 | fExecTimer.Start(kTRUE); fExecTimer.Stop(); | |
92aeef15 | 114 | } |
115 | ||
116 | //_____________________________________________________________________________ | |
117 | AliMUONDigitizerV3::~AliMUONDigitizerV3() | |
118 | { | |
9265505b | 119 | /// Dtor. Note we're the owner of some pointers. |
120 | ||
92aeef15 | 121 | AliDebug(1,"dtor"); |
4ce497c4 | 122 | |
92aeef15 | 123 | delete fCalibrationData; |
124 | delete fTriggerProcessor; | |
4ce497c4 | 125 | delete fNoiseFunction; |
8c0b5e70 | 126 | delete fNoiseFunctionTrig; |
40e382ae | 127 | delete fTriggerStore; |
128 | delete fDigitStore; | |
129 | delete fOutputDigitStore; | |
4ce497c4 | 130 | |
4ce497c4 | 131 | if ( fGenerateNoisyDigits ) |
132 | { | |
a7b01aa5 | 133 | AliDebug(1, Form("Execution time for GenerateNoisyDigits() : R:%.2fs C:%.2fs", |
4ce497c4 | 134 | fGenerateNoisyDigitsTimer.RealTime(), |
135 | fGenerateNoisyDigitsTimer.CpuTime())); | |
136 | } | |
a7b01aa5 | 137 | AliDebug(1, Form("Execution time for Exec() : R:%.2fs C:%.2fs", |
4ce497c4 | 138 | fExecTimer.RealTime(),fExecTimer.CpuTime())); |
ad26d4f6 | 139 | |
140 | AliInfo("Summary of messages"); | |
141 | fLogger->Print(); | |
4ce497c4 | 142 | |
ad26d4f6 | 143 | delete fLogger; |
92aeef15 | 144 | } |
145 | ||
146 | //_____________________________________________________________________________ | |
147 | void | |
40e382ae | 148 | AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise) |
92aeef15 | 149 | { |
9265505b | 150 | /// For tracking digits, starting from an ideal digit's charge, we : |
151 | /// | |
152 | /// - add some noise (thus leading to a realistic charge), if requested to do so | |
153 | /// - divide by a gain (thus decalibrating the digit) | |
154 | /// - add a pedestal (thus decalibrating the digit) | |
155 | /// - sets the signal to zero if below 3*sigma of the noise | |
59b91539 | 156 | |
4ce497c4 | 157 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. |
ad26d4f6 | 158 | |
40e382ae | 159 | Float_t signal = digit.Charge(); |
ad26d4f6 | 160 | |
59b91539 | 161 | if ( !addNoise ) |
ad26d4f6 | 162 | { |
40e382ae | 163 | digit.SetADC(TMath::Min(kMaxADC,TMath::Nint(signal))); |
ad26d4f6 | 164 | return; |
165 | } | |
92aeef15 | 166 | |
4ce497c4 | 167 | Int_t detElemId = digit.DetElemId(); |
92aeef15 | 168 | |
169 | Int_t manuId = digit.ManuId(); | |
170 | Int_t manuChannel = digit.ManuChannel(); | |
171 | ||
4ce497c4 | 172 | AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId); |
92aeef15 | 173 | if (!pedestal) |
ad26d4f6 | 174 | { |
175 | fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.", | |
176 | __FILE__,__LINE__, | |
177 | detElemId,manuId)); | |
40e382ae | 178 | digit.SetCharge(0); |
ad26d4f6 | 179 | digit.SetADC(0); |
180 | return; | |
181 | } | |
05314992 | 182 | Float_t pedestalMean = pedestal->ValueAsFloat(manuChannel,0); |
183 | Float_t pedestalSigma = pedestal->ValueAsFloat(manuChannel,1); | |
59b91539 | 184 | |
4ce497c4 | 185 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 186 | if (!gain) |
ad26d4f6 | 187 | { |
188 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
189 | __FILE__,__LINE__, | |
190 | detElemId,manuId)); | |
40e382ae | 191 | digit.SetCharge(0); |
ad26d4f6 | 192 | digit.SetADC(0); |
193 | return; | |
194 | } | |
05314992 | 195 | Float_t gainMean = gain->ValueAsFloat(manuChannel,0); |
ad26d4f6 | 196 | |
59b91539 | 197 | Float_t adcNoise = gRandom->Gaus(0.0,pedestalSigma); |
ad26d4f6 | 198 | |
92aeef15 | 199 | Int_t adc; |
ad26d4f6 | 200 | |
05314992 | 201 | if ( gainMean < 1E-6 ) |
ad26d4f6 | 202 | { |
203 | AliError(Form("Got a too small gain %e for DE=%d manuId=%d manuChannel=%d. " | |
204 | "Setting signal to 0.", | |
205 | gainMean,detElemId,manuId,manuChannel)); | |
206 | adc = 0; | |
207 | } | |
59b91539 | 208 | else |
ad26d4f6 | 209 | { |
210 | adc = TMath::Nint( signal / gainMean + pedestalMean + adcNoise);/// | |
211 | ||
212 | if ( adc <= pedestalMean + fgkNSigmas*pedestalSigma ) | |
59b91539 | 213 | { |
ad26d4f6 | 214 | adc = 0; |
59b91539 | 215 | } |
ad26d4f6 | 216 | } |
59b91539 | 217 | |
05314992 | 218 | // be sure we stick to 12 bits. |
4ce497c4 | 219 | if ( adc > kMaxADC ) |
ad26d4f6 | 220 | { |
221 | adc = kMaxADC; | |
222 | } | |
59b91539 | 223 | |
40e382ae | 224 | digit.SetCharge(adc); |
92aeef15 | 225 | digit.SetADC(adc); |
226 | } | |
227 | ||
4ce497c4 | 228 | //_____________________________________________________________________________ |
229 | void | |
40e382ae | 230 | AliMUONDigitizerV3::ApplyResponseToTriggerDigit(const AliMUONVDigitStore& digitStore, |
231 | AliMUONVDigit& digit) | |
4ce497c4 | 232 | { |
9265505b | 233 | /// \todo add comment |
234 | ||
4ce497c4 | 235 | if ( !fTriggerEfficiency ) return; |
236 | ||
ad26d4f6 | 237 | if (digit.IsEfficiencyApplied()) return; |
4ce497c4 | 238 | |
40e382ae | 239 | AliMUONVDigit* correspondingDigit = FindCorrespondingDigit(digitStore,digit); |
ad26d4f6 | 240 | |
241 | if (!correspondingDigit) return; //reject bad correspondences | |
a0dc51a6 | 242 | |
4ce497c4 | 243 | Int_t detElemId = digit.DetElemId(); |
9265505b | 244 | |
245 | AliMpSegmentation* segmentation = AliMpSegmentation::Instance(); | |
4ce497c4 | 246 | const AliMpVSegmentation* segment[2] = |
247 | { | |
866c3232 | 248 | segmentation->GetMpSegmentation(detElemId,AliMp::GetCathodType(digit.Cathode())), |
249 | segmentation->GetMpSegmentation(detElemId,AliMp::GetCathodType(correspondingDigit->Cathode())) | |
4ce497c4 | 250 | }; |
251 | ||
252 | AliMpPad pad[2] = | |
253 | { | |
254 | segment[0]->PadByIndices(AliMpIntPair(digit.PadX(),digit.PadY()),kTRUE), | |
255 | segment[1]->PadByIndices(AliMpIntPair(correspondingDigit->PadX(),correspondingDigit->PadY()),kTRUE) | |
256 | }; | |
257 | ||
081d3361 | 258 | Int_t p0(1); |
ad26d4f6 | 259 | if (digit.Cathode()==0) p0=0; |
081d3361 | 260 | |
261 | AliMpIntPair location = pad[p0].GetLocation(0); | |
262 | Int_t nboard = location.GetFirst(); | |
4ce497c4 | 263 | |
4ce497c4 | 264 | Bool_t isTrig[2]; |
081d3361 | 265 | |
8c0b5e70 | 266 | fTriggerEfficiency->IsTriggered(detElemId, nboard, |
4ce497c4 | 267 | isTrig[0], isTrig[1]); |
ad26d4f6 | 268 | digit.EfficiencyApplied(kTRUE); |
269 | correspondingDigit->EfficiencyApplied(kTRUE); | |
081d3361 | 270 | |
4ce497c4 | 271 | if (!isTrig[digit.Cathode()]) |
272 | { | |
40e382ae | 273 | digit.SetCharge(0); |
4ce497c4 | 274 | } |
275 | ||
276 | if ( &digit != correspondingDigit ) | |
277 | { | |
278 | if (!isTrig[correspondingDigit->Cathode()]) | |
279 | { | |
40e382ae | 280 | correspondingDigit->SetCharge(0); |
4ce497c4 | 281 | } |
282 | } | |
283 | } | |
284 | ||
92aeef15 | 285 | //_____________________________________________________________________________ |
286 | void | |
40e382ae | 287 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
288 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 289 | { |
9265505b | 290 | /// Loop over all chamber digits, and apply the response to them |
291 | /// Note that this method may remove digits. | |
292 | ||
40e382ae | 293 | filteredStore.Clear(); |
294 | ||
4ce497c4 | 295 | const Bool_t kAddNoise = kTRUE; |
296 | ||
40e382ae | 297 | TIter next(store.CreateIterator()); |
298 | AliMUONVDigit* digit; | |
299 | ||
300 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 301 | { |
40e382ae | 302 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
303 | ||
304 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 305 | { |
40e382ae | 306 | ApplyResponseToTrackerDigit(*digit,kAddNoise); |
92aeef15 | 307 | } |
40e382ae | 308 | else |
92aeef15 | 309 | { |
40e382ae | 310 | ApplyResponseToTriggerDigit(store,*digit); |
311 | } | |
312 | if ( digit->Charge() > 0 ) | |
313 | { | |
314 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 315 | } |
92aeef15 | 316 | } |
40e382ae | 317 | } |
92aeef15 | 318 | |
319 | //_____________________________________________________________________________ | |
320 | void | |
321 | AliMUONDigitizerV3::Exec(Option_t*) | |
322 | { | |
9265505b | 323 | /// Main method. |
324 | /// We first loop over input files, and merge the sdigits we found there. | |
325 | /// Second, we digitize all the resulting sdigits | |
326 | /// Then we generate noise-only digits (for tracker only) | |
327 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 328 | |
92aeef15 | 329 | AliDebug(1, "Running digitizer."); |
330 | ||
331 | if ( fManager->GetNinputs() == 0 ) | |
332 | { | |
333 | AliWarning("No input set. Nothing to do."); | |
334 | return; | |
335 | } | |
336 | ||
337 | if ( !fIsInitialized ) | |
338 | { | |
339 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
340 | return; | |
341 | } | |
342 | ||
4ce497c4 | 343 | fExecTimer.Start(kFALSE); |
344 | ||
92aeef15 | 345 | Int_t nInputFiles = fManager->GetNinputs(); |
346 | ||
40e382ae | 347 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
348 | ||
349 | outputLoader->MakeDigitsContainer(); | |
350 | ||
351 | TTree* oTreeD = outputLoader->TreeD(); | |
352 | ||
353 | if (!oTreeD) | |
92aeef15 | 354 | { |
40e382ae | 355 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 356 | } |
40e382ae | 357 | |
92aeef15 | 358 | // Loop over all the input files, and merge the sdigits found in those |
359 | // files. | |
40e382ae | 360 | |
92aeef15 | 361 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
362 | { | |
40e382ae | 363 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
364 | ||
365 | inputLoader->LoadSDigits("READ"); | |
366 | ||
367 | TTree* iTreeS = inputLoader->TreeS(); | |
368 | if (!iTreeS) | |
92aeef15 | 369 | { |
370 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
371 | } | |
40e382ae | 372 | |
373 | AliMUONVDigitStore* inputStore = AliMUONVDigitStore::Create(*iTreeS); | |
374 | inputStore->Connect(*iTreeS); | |
375 | ||
376 | iTreeS->GetEvent(0); | |
377 | ||
378 | MergeWithSDigits(fDigitStore,*inputStore,fManager->GetMask(iFile)); | |
05314992 | 379 | |
40e382ae | 380 | inputLoader->UnloadSDigits(); |
05314992 | 381 | |
40e382ae | 382 | delete inputStore; |
92aeef15 | 383 | } |
384 | ||
385 | // At this point, we do have digit arrays (one per chamber) which contains | |
386 | // the merging of all the sdigits of the input file(s). | |
387 | // We now massage them to apply the detector response, i.e. this | |
388 | // is here that we do the "digitization" work. | |
389 | ||
40e382ae | 390 | if (!fOutputDigitStore) |
391 | { | |
392 | fOutputDigitStore = fDigitStore->Create(); | |
393 | } | |
394 | ||
8c0b5e70 | 395 | if ( fGenerateNoisyDigits>=2 ) |
396 | { | |
397 | // Generate noise-only digits for trigger. | |
398 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
399 | } | |
400 | ||
40e382ae | 401 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
4ce497c4 | 402 | |
403 | if ( fGenerateNoisyDigits ) | |
404 | { | |
405 | // Generate noise-only digits for tracker. | |
40e382ae | 406 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 407 | } |
408 | ||
92aeef15 | 409 | // We generate the global and local trigger decisions. |
40e382ae | 410 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
411 | ||
412 | // Prepare output tree | |
413 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
414 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
415 | if (!okD || !okT) | |
416 | { | |
417 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
418 | return; | |
419 | } | |
92aeef15 | 420 | |
421 | // Fill the output treeD | |
40e382ae | 422 | oTreeD->Fill(); |
92aeef15 | 423 | |
424 | // Write to the output tree(D). | |
425 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
426 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
427 | // the 3 branches. | |
40e382ae | 428 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 429 | |
40e382ae | 430 | outputLoader->UnloadDigits(); |
4ce497c4 | 431 | |
40e382ae | 432 | // Finally, we clean up after ourselves. |
433 | fTriggerStore->Clear(); | |
434 | fDigitStore->Clear(); | |
435 | fOutputDigitStore->Clear(); | |
4ce497c4 | 436 | fExecTimer.Stop(); |
92aeef15 | 437 | } |
438 | ||
4ce497c4 | 439 | //_____________________________________________________________________________ |
40e382ae | 440 | AliMUONVDigit* |
441 | AliMUONDigitizerV3::FindCorrespondingDigit(const AliMUONVDigitStore& digitStore, | |
442 | AliMUONVDigit& digit) const | |
4ce497c4 | 443 | { |
ad26d4f6 | 444 | /// Find, if it exists, the digit corresponding to digit.Hit(), in the |
445 | /// other cathode | |
9265505b | 446 | |
40e382ae | 447 | TIter next(digitStore.CreateIterator()); |
448 | AliMUONVDigit* d; | |
449 | ||
450 | while ( ( d = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 451 | { |
40e382ae | 452 | if ( d->DetElemId() == digit.DetElemId() && |
ad26d4f6 | 453 | d->Hit() == digit.Hit() && |
454 | d->Cathode() != digit.Cathode() ) | |
4ce497c4 | 455 | { |
ad26d4f6 | 456 | return d; |
457 | } | |
458 | } | |
4ce497c4 | 459 | return 0x0; |
460 | } | |
461 | ||
462 | ||
4ce497c4 | 463 | //_____________________________________________________________________________ |
464 | void | |
40e382ae | 465 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 466 | { |
9265505b | 467 | /// According to a given probability, generate digits that |
468 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
469 | /// that are "only noise". | |
4ce497c4 | 470 | |
471 | if ( !fNoiseFunction ) | |
472 | { | |
473 | fNoiseFunction = new TF1("AliMUONDigitizerV3::fNoiseFunction","gaus", | |
474 | fgkNSigmas,fgkNSigmas*10); | |
475 | ||
476 | fNoiseFunction->SetParameters(1,0,1); | |
477 | } | |
478 | ||
479 | fGenerateNoisyDigitsTimer.Start(kFALSE); | |
480 | ||
481 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) | |
482 | { | |
483 | AliMpDEIterator it; | |
484 | ||
485 | it.First(i); | |
486 | ||
487 | while ( !it.IsDone() ) | |
488 | { | |
489 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
490 | { | |
40e382ae | 491 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 492 | } |
493 | it.Next(); | |
494 | } | |
495 | } | |
496 | ||
497 | fGenerateNoisyDigitsTimer.Stop(); | |
498 | } | |
499 | ||
500 | //_____________________________________________________________________________ | |
501 | void | |
40e382ae | 502 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
503 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 504 | { |
9265505b | 505 | /// Generate noise-only digits for one cathode of one detection element. |
506 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 507 | |
9265505b | 508 | const AliMpVSegmentation* seg |
866c3232 | 509 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 510 | Int_t nofPads = seg->NofPads(); |
511 | ||
512 | Int_t maxIx = seg->MaxPadIndexX(); | |
513 | Int_t maxIy = seg->MaxPadIndexY(); | |
514 | ||
cdea095e | 515 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgkNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 516 | |
84aac932 | 517 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 518 | if ( !nofNoisyPads ) return; |
519 | ||
520 | nofNoisyPads = | |
521 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
522 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
523 | ||
524 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
525 | ||
40e382ae | 526 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 527 | { |
528 | Int_t ix(-1); | |
529 | Int_t iy(-1); | |
40e382ae | 530 | AliMpPad pad; |
531 | ||
4ce497c4 | 532 | do { |
533 | ix = gRandom->Integer(maxIx+1); | |
534 | iy = gRandom->Integer(maxIy+1); | |
40e382ae | 535 | pad = seg->PadByIndices(AliMpIntPair(ix,iy),kFALSE); |
536 | } while ( !pad.IsValid() ); | |
537 | ||
4ce497c4 | 538 | Int_t manuId = pad.GetLocation().GetFirst(); |
40e382ae | 539 | Int_t manuChannel = pad.GetLocation().GetSecond(); |
540 | ||
4ce497c4 | 541 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
542 | ||
ad26d4f6 | 543 | if (!pedestals) |
544 | { | |
545 | // no pedestal available for this channel, simply give up | |
40e382ae | 546 | continue; |
ad26d4f6 | 547 | } |
548 | ||
40e382ae | 549 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
550 | ||
551 | d->SetPadXY(ix,iy); | |
552 | ||
4ce497c4 | 553 | Float_t pedestalMean = pedestals->ValueAsFloat(manuChannel,0); |
554 | Float_t pedestalSigma = pedestals->ValueAsFloat(manuChannel,1); | |
555 | ||
556 | Double_t ped = fNoiseFunction->GetRandom()*pedestalSigma; | |
59b91539 | 557 | |
40e382ae | 558 | d->SetCharge(TMath::Nint(ped+pedestalMean+0.5)); |
559 | d->NoiseOnly(kTRUE); | |
560 | ApplyResponseToTrackerDigit(*d,kFALSE); | |
561 | if ( d->Charge() > 0 ) | |
4ce497c4 | 562 | { |
40e382ae | 563 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
564 | // this can happen (that we randomly chose a digit that is | |
565 | // already there). We simply ignore this, but log the occurence | |
566 | // to cross-check that it's not too frequent. | |
567 | if (!ok) | |
568 | { | |
569 | fLogger->Log("Collision while adding noiseOnly digit"); | |
570 | } | |
571 | else | |
572 | { | |
573 | fLogger->Log("Added noiseOnly digit"); | |
574 | } | |
4ce497c4 | 575 | } |
576 | else | |
577 | { | |
578 | AliError("Pure noise below threshold. This should not happen. Not adding " | |
579 | "this digit."); | |
580 | } | |
40e382ae | 581 | delete d; |
4ce497c4 | 582 | } |
583 | } | |
584 | ||
8c0b5e70 | 585 | |
586 | //_____________________________________________________________________________ | |
587 | void | |
588 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
589 | { | |
590 | /// Generate noise-only digits for one cathode of one detection element. | |
591 | /// Called by GenerateNoisyDigits() | |
592 | ||
593 | if ( !fNoiseFunctionTrig ) | |
594 | { | |
595 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
596 | 50.,270.); | |
597 | ||
598 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
599 | } | |
600 | ||
601 | AliMpPad pad[2]; | |
602 | AliMUONVDigit *d[2]={0x0}; | |
603 | ||
604 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
605 | { | |
606 | ||
607 | Int_t nofNoisyPads = 50; | |
608 | ||
609 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
610 | AliMpDEIterator it; | |
611 | ||
612 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
613 | ||
614 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
615 | { | |
616 | //printf("Generating noise %i\n",i); | |
617 | Int_t ix(-1); | |
618 | Int_t iy(-1); | |
619 | Bool_t isOk = kFALSE; | |
620 | Int_t detElemId = -1; | |
621 | do { | |
622 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
623 | r = fNoiseFunctionTrig->GetRandom(); | |
624 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
625 | //printf("r = %f\tfi = %f\n", r, fi); | |
626 | gx = r * TMath::Cos(fi); | |
627 | gy = r * TMath::Sin(fi); | |
628 | ||
629 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
630 | Int_t currDetElemId = it.CurrentDEId(); | |
631 | const AliMpVSegmentation* seg | |
632 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
633 | if (!seg) continue; | |
634 | Float_t deltax = seg->Dimensions().X(); | |
635 | Float_t deltay = seg->Dimensions().Y(); | |
636 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); | |
637 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
638 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
639 | if(xg01>xg02){ | |
640 | xg1 = xg02; | |
641 | xg2 = xg01; | |
642 | } | |
643 | if(yg01>yg02){ | |
644 | yg1 = yg02; | |
645 | yg2 = yg01; | |
646 | } | |
647 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
648 | detElemId = currDetElemId; | |
649 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
650 | pad[0] = seg->PadByPosition(TVector2(x,y),kFALSE); | |
651 | if(!pad[0].IsValid()) continue; | |
652 | isOk = kTRUE; | |
653 | break; | |
654 | } | |
655 | } // loop on slats | |
656 | } while ( !isOk ); | |
657 | ||
658 | const AliMpVSegmentation* seg1 | |
659 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
660 | pad[1] = seg1->PadByPosition(TVector2(x,y),kFALSE); | |
661 | ||
662 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
663 | Int_t manuId = pad[cathode].GetLocation(0).GetFirst(); | |
664 | Int_t manuChannel = pad[cathode].GetLocation(0).GetSecond(); | |
665 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); | |
666 | ix = pad[cathode].GetIndices().GetFirst(); | |
667 | iy = pad[cathode].GetIndices().GetSecond(); | |
668 | d[cathode]->SetPadXY(ix,iy); | |
669 | //d[cathode].SetSignal(1); | |
670 | //d[cathode].SetPhysicsSignal(0); | |
671 | d[cathode]->SetCharge(1); | |
672 | d[cathode]->NoiseOnly(kTRUE); | |
673 | AliDebug(3,Form("Adding a pure noise digit :")); | |
674 | ||
675 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
676 | if (!ok) | |
677 | { | |
678 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
679 | } | |
680 | else | |
681 | { | |
682 | fLogger->Log("Added triggerNoise digit"); | |
683 | } | |
684 | } //loop on cathodes | |
685 | } // loop on noisy pads | |
686 | } // loop on chambers | |
687 | } | |
688 | ||
689 | ||
92aeef15 | 690 | //_____________________________________________________________________________ |
40e382ae | 691 | AliLoader* |
692 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 693 | { |
40e382ae | 694 | /// Get a MUON loader |
9265505b | 695 | |
ad26d4f6 | 696 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 697 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 698 | if (!loader) |
699 | { | |
700 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
701 | return 0x0; | |
702 | } | |
40e382ae | 703 | return loader; |
92aeef15 | 704 | } |
705 | ||
706 | //_____________________________________________________________________________ | |
707 | Bool_t | |
708 | AliMUONDigitizerV3::Init() | |
709 | { | |
9265505b | 710 | /// Initialization of the TTask : |
40e382ae | 711 | /// a) create the calibrationData, according to run number |
712 | /// b) create the trigger processing task | |
9265505b | 713 | |
ad26d4f6 | 714 | AliDebug(2,""); |
92aeef15 | 715 | |
716 | if ( fIsInitialized ) | |
717 | { | |
718 | AliError("Object already initialized."); | |
719 | return kFALSE; | |
720 | } | |
721 | ||
722 | if (!fManager) | |
723 | { | |
724 | AliError("fManager is null !"); | |
725 | return kFALSE; | |
726 | } | |
727 | ||
ad26d4f6 | 728 | Int_t runnumber = AliCDBManager::Instance()->GetRun(); |
92aeef15 | 729 | |
730 | fCalibrationData = new AliMUONCalibrationData(runnumber); | |
ad26d4f6 | 731 | if ( !fCalibrationData->Pedestals() ) |
732 | { | |
733 | AliFatal("Could not access pedestals from OCDB !"); | |
734 | } | |
735 | if ( !fCalibrationData->Gains() ) | |
736 | { | |
737 | AliFatal("Could not access gains from OCDB !"); | |
738 | } | |
40e382ae | 739 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 740 | |
afb3ccf0 | 741 | if ( muon()->GetTriggerEffCells() ) |
4ce497c4 | 742 | { |
743 | fTriggerEfficiency = fCalibrationData->TriggerEfficiency(); | |
744 | if ( fTriggerEfficiency ) | |
745 | { | |
a7b01aa5 | 746 | AliDebug(1, "Will apply trigger efficiency"); |
4ce497c4 | 747 | } |
748 | else | |
749 | { | |
ad26d4f6 | 750 | AliFatal("I was requested to apply trigger efficiency, but I could " |
4ce497c4 | 751 | "not get it !"); |
752 | } | |
753 | } | |
754 | ||
ad26d4f6 | 755 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
756 | (fGenerateNoisyDigits ? "":"NOT"))); | |
757 | ||
92aeef15 | 758 | fIsInitialized = kTRUE; |
759 | return kTRUE; | |
760 | } | |
761 | ||
92aeef15 | 762 | //_____________________________________________________________________________ |
763 | void | |
40e382ae | 764 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
765 | const AliMUONVDigitStore& input, | |
766 | Int_t mask) | |
92aeef15 | 767 | { |
9265505b | 768 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 769 | |
40e382ae | 770 | if ( !outputStore ) outputStore = input.Create(); |
771 | ||
772 | TIter next(input.CreateIterator()); | |
773 | AliMUONVDigit* sdigit; | |
774 | ||
775 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
776 | { | |
777 | // Update the track references using the mask. | |
778 | // FIXME: this is dirty, for backward compatibility only. | |
779 | // Should re-design all this way of keeping track of MC information... | |
780 | if ( mask ) sdigit->PatchTracks(mask); | |
781 | // Then add or update the digit to the output. | |
782 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
783 | if (!added) | |
92aeef15 | 784 | { |
40e382ae | 785 | AliError("Could not add digit in merge mode"); |
92aeef15 | 786 | } |
92aeef15 | 787 | } |
788 | } |