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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 | ||
4ce497c4 | 21 | #include "AliMUON.h" |
92aeef15 | 22 | #include "AliMUONCalibrationData.h" |
92aeef15 | 23 | #include "AliMUONConstants.h" |
92aeef15 | 24 | #include "AliMUONDigit.h" |
ad26d4f6 | 25 | #include "AliMUONLogger.h" |
4f8a3d8b | 26 | #include "AliMUONTriggerElectronics.h" |
40e382ae | 27 | #include "AliMUONTriggerStoreV1.h" |
05314992 | 28 | #include "AliMUONVCalibParam.h" |
40e382ae | 29 | #include "AliMUONVDigitStore.h" |
331a617a | 30 | #include "AliMUONGeometryTransformer.h" //ADDED for trigger noise |
31 | ||
88544f7e | 32 | #include "AliMpCDB.h" |
331a617a | 33 | #include "AliMpSegmentation.h" |
40e382ae | 34 | #include "AliMpCathodType.h" |
35 | #include "AliMpConstants.h" | |
4ce497c4 | 36 | #include "AliMpDEIterator.h" |
92aeef15 | 37 | #include "AliMpDEManager.h" |
4ce497c4 | 38 | #include "AliMpPad.h" |
40e382ae | 39 | #include "AliMpStationType.h" |
4ce497c4 | 40 | #include "AliMpVSegmentation.h" |
331a617a | 41 | |
42 | #include "AliCDBManager.h" | |
43 | #include "AliCodeTimer.h" | |
44 | #include "AliLog.h" | |
92aeef15 | 45 | #include "AliRun.h" |
46 | #include "AliRunDigitizer.h" | |
47 | #include "AliRunLoader.h" | |
331a617a | 48 | |
866c3232 | 49 | #include <Riostream.h> |
50 | #include <TF1.h> | |
40e382ae | 51 | #include <TFile.h> |
866c3232 | 52 | #include <TMath.h> |
53 | #include <TRandom.h> | |
54 | #include <TString.h> | |
40e382ae | 55 | #include <TSystem.h> |
56 | ||
3d1463c8 | 57 | //----------------------------------------------------------------------------- |
9265505b | 58 | /// \class AliMUONDigitizerV3 |
4ce497c4 | 59 | /// The digitizer is performing the transformation to go from SDigits (digits |
60 | /// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration) | |
61 | /// | |
62 | /// The decalibration is performed by doing the reverse operation of the | |
63 | /// calibration, that is we do (Signal+pedestal)/gain -> ADC | |
64 | /// | |
65 | /// Note also that the digitizer takes care of merging sdigits that belongs | |
66 | /// to the same pad, either because we're merging several input sdigit files | |
67 | /// or with a single file because the sdigitizer does not merge sdigits itself | |
68 | /// (for performance reason mainly, and because anyway we know we have to do it | |
69 | /// here, at the digitization level). | |
70 | /// | |
c4ee792d | 71 | /// \author Laurent Aphecetche |
3d1463c8 | 72 | //----------------------------------------------------------------------------- |
4ce497c4 | 73 | |
74 | namespace | |
75 | { | |
76 | AliMUON* muon() | |
77 | { | |
78 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
79 | } | |
8c0b5e70 | 80 | |
81 | //ADDED for trigger noise | |
82 | const AliMUONGeometryTransformer* GetTransformer() | |
83 | { | |
84 | return muon()->GetGeometryTransformer(); | |
85 | } | |
4ce497c4 | 86 | } |
87 | ||
5c083cba | 88 | Double_t AliMUONDigitizerV3::fgNSigmas = 4.0; |
4ce497c4 | 89 | |
9265505b | 90 | /// \cond CLASSIMP |
92aeef15 | 91 | ClassImp(AliMUONDigitizerV3) |
9265505b | 92 | /// \endcond |
92aeef15 | 93 | |
94 | //_____________________________________________________________________________ | |
95 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
8c0b5e70 | 96 | Int_t generateNoisyDigits) |
92aeef15 | 97 | : AliDigitizer(manager), |
92aeef15 | 98 | fIsInitialized(kFALSE), |
92aeef15 | 99 | fCalibrationData(0x0), |
100 | fTriggerProcessor(0x0), | |
8c0b5e70 | 101 | fNoiseFunctionTrig(0x0), |
ec9acc85 | 102 | fGenerateNoisyDigits(generateNoisyDigits), |
103 | fLogger(new AliMUONLogger(1000)), | |
40e382ae | 104 | fTriggerStore(new AliMUONTriggerStoreV1), |
105 | fDigitStore(0x0), | |
9ec6a948 | 106 | fOutputDigitStore(0x0), |
ca8c8223 | 107 | fInputDigitStores(0x0) |
92aeef15 | 108 | { |
9265505b | 109 | /// Ctor. |
110 | ||
92aeef15 | 111 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); |
ec9acc85 | 112 | |
92aeef15 | 113 | } |
114 | ||
115 | //_____________________________________________________________________________ | |
116 | AliMUONDigitizerV3::~AliMUONDigitizerV3() | |
117 | { | |
9265505b | 118 | /// Dtor. Note we're the owner of some pointers. |
119 | ||
92aeef15 | 120 | AliDebug(1,"dtor"); |
4ce497c4 | 121 | |
92c23b09 | 122 | // delete fCalibrationData; |
92aeef15 | 123 | delete fTriggerProcessor; |
8c0b5e70 | 124 | delete fNoiseFunctionTrig; |
40e382ae | 125 | delete fTriggerStore; |
126 | delete fDigitStore; | |
127 | delete fOutputDigitStore; | |
ca8c8223 | 128 | delete fInputDigitStores; |
9ec6a948 | 129 | |
ad26d4f6 | 130 | AliInfo("Summary of messages"); |
131 | fLogger->Print(); | |
4ce497c4 | 132 | |
ad26d4f6 | 133 | delete fLogger; |
92aeef15 | 134 | } |
135 | ||
136 | //_____________________________________________________________________________ | |
137 | void | |
40e382ae | 138 | AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise) |
92aeef15 | 139 | { |
9265505b | 140 | /// For tracking digits, starting from an ideal digit's charge, we : |
141 | /// | |
cf27231a | 142 | /// - "divide" by a gain (thus decalibrating the digit) |
9265505b | 143 | /// - add a pedestal (thus decalibrating the digit) |
b74ca120 | 144 | /// - add some electronics noise (thus leading to a realistic adc), if requested to do so |
9265505b | 145 | /// - sets the signal to zero if below 3*sigma of the noise |
59b91539 | 146 | |
5d950f54 | 147 | Float_t charge = digit.IsChargeInFC() ? digit.Charge()*AliMUONConstants::FC2ADC() : digit.Charge(); |
cf27231a | 148 | |
149 | // We set the charge to 0, as the only relevant piece of information | |
150 | // after Digitization is the ADC value. | |
151 | digit.SetCharge(0); | |
b74ca120 | 152 | |
4ce497c4 | 153 | Int_t detElemId = digit.DetElemId(); |
92aeef15 | 154 | Int_t manuId = digit.ManuId(); |
92aeef15 | 155 | |
4ce497c4 | 156 | AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId); |
92aeef15 | 157 | if (!pedestal) |
ad26d4f6 | 158 | { |
159 | fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.", | |
160 | __FILE__,__LINE__, | |
161 | detElemId,manuId)); | |
ad26d4f6 | 162 | digit.SetADC(0); |
163 | return; | |
164 | } | |
59b91539 | 165 | |
627ba19f | 166 | Int_t manuChannel = digit.ManuChannel(); |
167 | ||
168 | if ( pedestal->ValueAsFloat(manuChannel,0) == AliMUONVCalibParam::InvalidFloatValue() || | |
169 | pedestal->ValueAsFloat(manuChannel,1) == AliMUONVCalibParam::InvalidFloatValue() ) | |
170 | { | |
171 | // protection against invalid pedestal value | |
172 | digit.SetADC(0); | |
173 | return; | |
174 | } | |
175 | ||
4ce497c4 | 176 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 177 | if (!gain) |
ad26d4f6 | 178 | { |
179 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
180 | __FILE__,__LINE__, | |
181 | detElemId,manuId)); | |
ad26d4f6 | 182 | digit.SetADC(0); |
183 | return; | |
184 | } | |
cf27231a | 185 | |
ec9acc85 | 186 | Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise, |
187 | digit.IsNoiseOnly()); | |
59b91539 | 188 | |
92aeef15 | 189 | digit.SetADC(adc); |
190 | } | |
191 | ||
192 | //_____________________________________________________________________________ | |
193 | void | |
40e382ae | 194 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
195 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 196 | { |
9265505b | 197 | /// Loop over all chamber digits, and apply the response to them |
198 | /// Note that this method may remove digits. | |
199 | ||
40e382ae | 200 | filteredStore.Clear(); |
201 | ||
4ce497c4 | 202 | const Bool_t kAddNoise = kTRUE; |
203 | ||
40e382ae | 204 | TIter next(store.CreateIterator()); |
205 | AliMUONVDigit* digit; | |
206 | ||
207 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 208 | { |
40e382ae | 209 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
210 | ||
211 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 212 | { |
ac6411cf | 213 | Bool_t addNoise = kAddNoise; |
214 | if (digit->IsConverted()) addNoise = kFALSE; // No need to add extra noise to a converted real digit | |
215 | ApplyResponseToTrackerDigit(*digit,addNoise); | |
92aeef15 | 216 | } |
7d7d22a6 | 217 | |
cf27231a | 218 | if ( digit->ADC() > 0 || digit->Charge() > 0 ) |
40e382ae | 219 | { |
220 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 221 | } |
92aeef15 | 222 | } |
40e382ae | 223 | } |
92aeef15 | 224 | |
b74ca120 | 225 | //_____________________________________________________________________________ |
226 | Int_t | |
227 | AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals, | |
228 | const AliMUONVCalibParam& gains, | |
229 | Int_t channel, | |
230 | Float_t charge, | |
ec9acc85 | 231 | Bool_t addNoise, |
232 | Bool_t noiseOnly) | |
b74ca120 | 233 | { |
234 | /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its | |
235 | /// pedestal and gain parameters. | |
236 | /// Must insure before calling that channel is valid (i.e. between 0 and | |
237 | /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel | |
238 | /// otherwise results are not predictible...) | |
239 | ||
240 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. | |
241 | ||
242 | Float_t pedestalMean = pedestals.ValueAsFloat(channel,0); | |
243 | Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1); | |
244 | ||
ec9acc85 | 245 | AliDebugClass(1,Form("DE %04d MANU %04d CH %02d PEDMEAN %7.2f PEDSIGMA %7.2f", |
5d950f54 | 246 | pedestals.ID0(),pedestals.ID1(),channel,pedestalMean,pedestalSigma)); |
ec9acc85 | 247 | |
b74ca120 | 248 | Float_t a0 = gains.ValueAsFloat(channel,0); |
249 | Float_t a1 = gains.ValueAsFloat(channel,1); | |
250 | Int_t thres = gains.ValueAsInt(channel,2); | |
251 | Int_t qual = gains.ValueAsInt(channel,3); | |
5d950f54 | 252 | |
b74ca120 | 253 | if ( qual <= 0 ) return 0; |
254 | ||
255 | Float_t chargeThres = a0*thres; | |
256 | ||
257 | Float_t padc(0); // (adc - ped) value | |
258 | ||
259 | if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 ) | |
260 | { | |
261 | // linear part only | |
262 | ||
263 | if ( TMath::Abs(a0) > 1E-12 ) | |
264 | { | |
265 | padc = charge/a0; | |
266 | } | |
267 | } | |
268 | else | |
269 | { | |
270 | // linear + parabolic part | |
271 | Double_t qt = chargeThres - charge; | |
272 | Double_t delta = a0*a0-4*a1*qt; | |
273 | if ( delta < 0 ) | |
274 | { | |
275 | AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d " | |
276 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e", | |
277 | delta,pedestals.ID0(),pedestals.ID1(), | |
278 | channel, charge, a0, a1, thres, pedestalMean, | |
279 | pedestalSigma)); | |
280 | } | |
281 | else | |
282 | { | |
283 | delta = TMath::Sqrt(delta); | |
284 | ||
285 | padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) ); | |
286 | ||
287 | padc /= 2*a1; | |
288 | ||
289 | if ( padc < 0 ) | |
290 | { | |
291 | if ( TMath::Abs(padc) > 1E-3) | |
292 | { | |
293 | // this is more than a precision problem : let's signal it ! | |
294 | AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d " | |
295 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e", | |
296 | padc,pedestals.ID0(),pedestals.ID1(), | |
297 | channel, charge, a0, a1, thres, pedestalMean, | |
298 | pedestalSigma,delta)); | |
299 | } | |
300 | ||
301 | // ok. consider we're just at thres, let it be zero. | |
302 | padc = 0; | |
303 | } | |
304 | ||
305 | padc += thres; | |
306 | ||
307 | } | |
308 | } | |
309 | ||
310 | Int_t adc(0); | |
311 | ||
ec9acc85 | 312 | Float_t adcNoise = 0.0; |
b74ca120 | 313 | |
ec9acc85 | 314 | if ( addNoise ) |
315 | { | |
316 | if ( noiseOnly ) | |
317 | { | |
318 | adcNoise = NoiseFunction()->GetRandom()*pedestalSigma; | |
319 | } | |
320 | else | |
321 | { | |
322 | adcNoise = gRandom->Gaus(0.0,pedestalSigma); | |
323 | } | |
324 | } | |
b74ca120 | 325 | |
ec9acc85 | 326 | adc = TMath::Nint(padc + pedestalMean + adcNoise + 0.5); |
327 | ||
5c083cba | 328 | if ( adc < TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5) ) |
ec9acc85 | 329 | { |
d537c8e4 | 330 | // this is an error only in specific cases |
331 | if ( !addNoise || (addNoise && noiseOnly) ) | |
332 | { | |
333 | AliErrorClass(Form(" DE %04d Manu %04d Channel %02d " | |
334 | " a0 %7.2f a1 %7.2f thres %04d ped %7.2f pedsig %7.2f adcNoise %7.2f " | |
335 | " charge=%7.2f padc=%7.2f adc=%04d ZS=%04d fgNSigmas=%e addNoise %d noiseOnly %d ", | |
336 | pedestals.ID0(),pedestals.ID1(),channel, | |
337 | a0, a1, thres, pedestalMean, pedestalSigma, adcNoise, | |
338 | charge, padc, adc, | |
339 | TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5), | |
340 | fgNSigmas,addNoise,noiseOnly)); | |
341 | } | |
342 | ||
ec9acc85 | 343 | adc = 0; |
b74ca120 | 344 | } |
345 | ||
346 | // be sure we stick to 12 bits. | |
347 | if ( adc > kMaxADC ) | |
348 | { | |
349 | adc = kMaxADC; | |
350 | } | |
351 | ||
352 | return adc; | |
353 | } | |
354 | ||
9ec6a948 | 355 | //_____________________________________________________________________________ |
356 | void | |
ca8c8223 | 357 | AliMUONDigitizerV3::CreateInputDigitStores() |
9ec6a948 | 358 | { |
ca8c8223 | 359 | /// Create input digit stores |
360 | /// | |
9ec6a948 | 361 | |
ca8c8223 | 362 | if (fInputDigitStores) |
363 | { | |
364 | AliFatal("Should be called only once !"); | |
365 | } | |
366 | ||
367 | fInputDigitStores = new TObjArray; | |
368 | ||
369 | fInputDigitStores->SetOwner(kTRUE); | |
9ec6a948 | 370 | |
371 | for ( Int_t iFile = 0; iFile < fManager->GetNinputs(); ++iFile ) | |
372 | { | |
373 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); | |
374 | ||
375 | inputLoader->LoadSDigits("READ"); | |
376 | ||
377 | TTree* iTreeS = inputLoader->TreeS(); | |
378 | if (!iTreeS) | |
379 | { | |
380 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
381 | } | |
382 | ||
ca8c8223 | 383 | fInputDigitStores->AddAt(AliMUONVDigitStore::Create(*iTreeS),iFile); |
9ec6a948 | 384 | } |
385 | } | |
386 | ||
92aeef15 | 387 | //_____________________________________________________________________________ |
388 | void | |
389 | AliMUONDigitizerV3::Exec(Option_t*) | |
390 | { | |
9265505b | 391 | /// Main method. |
392 | /// We first loop over input files, and merge the sdigits we found there. | |
393 | /// Second, we digitize all the resulting sdigits | |
394 | /// Then we generate noise-only digits (for tracker only) | |
395 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 396 | |
99c136e1 | 397 | AliCodeTimerAuto("",0) |
b74ca120 | 398 | |
92aeef15 | 399 | if ( fManager->GetNinputs() == 0 ) |
400 | { | |
401 | AliWarning("No input set. Nothing to do."); | |
402 | return; | |
403 | } | |
404 | ||
405 | if ( !fIsInitialized ) | |
406 | { | |
407 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
408 | return; | |
409 | } | |
410 | ||
411 | Int_t nInputFiles = fManager->GetNinputs(); | |
412 | ||
40e382ae | 413 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
414 | ||
415 | outputLoader->MakeDigitsContainer(); | |
416 | ||
417 | TTree* oTreeD = outputLoader->TreeD(); | |
418 | ||
419 | if (!oTreeD) | |
92aeef15 | 420 | { |
40e382ae | 421 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 422 | } |
40e382ae | 423 | |
92aeef15 | 424 | // Loop over all the input files, and merge the sdigits found in those |
425 | // files. | |
40e382ae | 426 | |
92aeef15 | 427 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
5d950f54 | 428 | { |
40e382ae | 429 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
430 | ||
431 | inputLoader->LoadSDigits("READ"); | |
432 | ||
433 | TTree* iTreeS = inputLoader->TreeS(); | |
434 | if (!iTreeS) | |
92aeef15 | 435 | { |
436 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
437 | } | |
9ec6a948 | 438 | |
ca8c8223 | 439 | if (!fInputDigitStores) |
9ec6a948 | 440 | { |
ca8c8223 | 441 | CreateInputDigitStores(); |
9ec6a948 | 442 | } |
40e382ae | 443 | |
ca8c8223 | 444 | AliMUONVDigitStore* dstore = static_cast<AliMUONVDigitStore*>(fInputDigitStores->At(iFile)); |
445 | ||
446 | dstore->Connect(*iTreeS); | |
40e382ae | 447 | |
ca8c8223 | 448 | iTreeS->GetEvent(0); |
449 | ||
450 | MergeWithSDigits(fDigitStore,*dstore,fManager->GetMask(iFile)); | |
05314992 | 451 | |
40e382ae | 452 | inputLoader->UnloadSDigits(); |
05314992 | 453 | |
ca8c8223 | 454 | dstore->Clear(); |
92aeef15 | 455 | } |
5d950f54 | 456 | |
92aeef15 | 457 | |
458 | // At this point, we do have digit arrays (one per chamber) which contains | |
459 | // the merging of all the sdigits of the input file(s). | |
460 | // We now massage them to apply the detector response, i.e. this | |
461 | // is here that we do the "digitization" work. | |
462 | ||
40e382ae | 463 | if (!fOutputDigitStore) |
464 | { | |
465 | fOutputDigitStore = fDigitStore->Create(); | |
466 | } | |
467 | ||
8c0b5e70 | 468 | if ( fGenerateNoisyDigits>=2 ) |
469 | { | |
470 | // Generate noise-only digits for trigger. | |
471 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
472 | } | |
40e382ae | 473 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
5d950f54 | 474 | |
4ce497c4 | 475 | if ( fGenerateNoisyDigits ) |
476 | { | |
477 | // Generate noise-only digits for tracker. | |
40e382ae | 478 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 479 | } |
480 | ||
92aeef15 | 481 | // We generate the global and local trigger decisions. |
40e382ae | 482 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
483 | ||
484 | // Prepare output tree | |
485 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
486 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
487 | if (!okD || !okT) | |
488 | { | |
489 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
490 | return; | |
491 | } | |
92aeef15 | 492 | |
493 | // Fill the output treeD | |
40e382ae | 494 | oTreeD->Fill(); |
92aeef15 | 495 | |
496 | // Write to the output tree(D). | |
497 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
498 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
499 | // the 3 branches. | |
40e382ae | 500 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 501 | |
40e382ae | 502 | outputLoader->UnloadDigits(); |
4ce497c4 | 503 | |
40e382ae | 504 | // Finally, we clean up after ourselves. |
505 | fTriggerStore->Clear(); | |
506 | fDigitStore->Clear(); | |
507 | fOutputDigitStore->Clear(); | |
92aeef15 | 508 | } |
509 | ||
4ce497c4 | 510 | |
4ce497c4 | 511 | //_____________________________________________________________________________ |
512 | void | |
40e382ae | 513 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 514 | { |
9265505b | 515 | /// According to a given probability, generate digits that |
516 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
517 | /// that are "only noise". | |
4ce497c4 | 518 | |
99c136e1 | 519 | AliCodeTimerAuto("",0) |
b74ca120 | 520 | |
4ce497c4 | 521 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) |
522 | { | |
523 | AliMpDEIterator it; | |
524 | ||
525 | it.First(i); | |
526 | ||
527 | while ( !it.IsDone() ) | |
528 | { | |
529 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
530 | { | |
40e382ae | 531 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 532 | } |
533 | it.Next(); | |
534 | } | |
535 | } | |
4ce497c4 | 536 | } |
537 | ||
538 | //_____________________________________________________________________________ | |
539 | void | |
40e382ae | 540 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
541 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 542 | { |
9265505b | 543 | /// Generate noise-only digits for one cathode of one detection element. |
544 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 545 | |
9265505b | 546 | const AliMpVSegmentation* seg |
866c3232 | 547 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 548 | Int_t nofPads = seg->NofPads(); |
549 | ||
550 | Int_t maxIx = seg->MaxPadIndexX(); | |
551 | Int_t maxIy = seg->MaxPadIndexY(); | |
552 | ||
5c083cba | 553 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 554 | |
84aac932 | 555 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 556 | if ( !nofNoisyPads ) return; |
557 | ||
558 | nofNoisyPads = | |
559 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
560 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
561 | ||
562 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
563 | ||
40e382ae | 564 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 565 | { |
566 | Int_t ix(-1); | |
567 | Int_t iy(-1); | |
40e382ae | 568 | AliMpPad pad; |
569 | ||
4ce497c4 | 570 | do { |
571 | ix = gRandom->Integer(maxIx+1); | |
572 | iy = gRandom->Integer(maxIy+1); | |
168e9c4d | 573 | pad = seg->PadByIndices(ix,iy,kFALSE); |
40e382ae | 574 | } while ( !pad.IsValid() ); |
575 | ||
168e9c4d | 576 | Int_t manuId = pad.GetManuId(); |
577 | Int_t manuChannel = pad.GetManuChannel(); | |
40e382ae | 578 | |
4ce497c4 | 579 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
580 | ||
ad26d4f6 | 581 | if (!pedestals) |
582 | { | |
583 | // no pedestal available for this channel, simply give up | |
40e382ae | 584 | continue; |
ad26d4f6 | 585 | } |
586 | ||
40e382ae | 587 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
588 | ||
589 | d->SetPadXY(ix,iy); | |
590 | ||
ec9acc85 | 591 | d->SetCharge(0.0); // charge is zero, the ApplyResponseToTrackerDigit will add the noise |
40e382ae | 592 | d->NoiseOnly(kTRUE); |
ec9acc85 | 593 | ApplyResponseToTrackerDigit(*d,kTRUE); |
cf27231a | 594 | if ( d->ADC() > 0 ) |
4ce497c4 | 595 | { |
40e382ae | 596 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
597 | // this can happen (that we randomly chose a digit that is | |
598 | // already there). We simply ignore this, but log the occurence | |
599 | // to cross-check that it's not too frequent. | |
600 | if (!ok) | |
601 | { | |
602 | fLogger->Log("Collision while adding noiseOnly digit"); | |
603 | } | |
604 | else | |
605 | { | |
606 | fLogger->Log("Added noiseOnly digit"); | |
607 | } | |
4ce497c4 | 608 | } |
40e382ae | 609 | delete d; |
4ce497c4 | 610 | } |
611 | } | |
612 | ||
8c0b5e70 | 613 | |
614 | //_____________________________________________________________________________ | |
615 | void | |
616 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
617 | { | |
618 | /// Generate noise-only digits for one cathode of one detection element. | |
619 | /// Called by GenerateNoisyDigits() | |
620 | ||
621 | if ( !fNoiseFunctionTrig ) | |
622 | { | |
623 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
624 | 50.,270.); | |
625 | ||
626 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
627 | } | |
628 | ||
629 | AliMpPad pad[2]; | |
630 | AliMUONVDigit *d[2]={0x0}; | |
631 | ||
632 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
633 | { | |
634 | ||
635 | Int_t nofNoisyPads = 50; | |
636 | ||
637 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
638 | AliMpDEIterator it; | |
639 | ||
640 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
641 | ||
642 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
643 | { | |
644 | //printf("Generating noise %i\n",i); | |
645 | Int_t ix(-1); | |
646 | Int_t iy(-1); | |
647 | Bool_t isOk = kFALSE; | |
648 | Int_t detElemId = -1; | |
649 | do { | |
650 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
651 | r = fNoiseFunctionTrig->GetRandom(); | |
652 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
653 | //printf("r = %f\tfi = %f\n", r, fi); | |
654 | gx = r * TMath::Cos(fi); | |
655 | gy = r * TMath::Sin(fi); | |
656 | ||
657 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
658 | Int_t currDetElemId = it.CurrentDEId(); | |
659 | const AliMpVSegmentation* seg | |
660 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
661 | if (!seg) continue; | |
6e97fbb8 | 662 | Float_t deltax = seg->GetDimensionX(); |
663 | Float_t deltay = seg->GetDimensionY(); | |
8c0b5e70 | 664 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); |
665 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
666 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
667 | if(xg01>xg02){ | |
668 | xg1 = xg02; | |
669 | xg2 = xg01; | |
670 | } | |
671 | if(yg01>yg02){ | |
672 | yg1 = yg02; | |
673 | yg2 = yg01; | |
674 | } | |
675 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
676 | detElemId = currDetElemId; | |
677 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
6e97fbb8 | 678 | pad[0] = seg->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 679 | if(!pad[0].IsValid()) continue; |
680 | isOk = kTRUE; | |
681 | break; | |
682 | } | |
683 | } // loop on slats | |
684 | } while ( !isOk ); | |
685 | ||
686 | const AliMpVSegmentation* seg1 | |
687 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
6e97fbb8 | 688 | pad[1] = seg1->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 689 | |
690 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
168e9c4d | 691 | Int_t manuId = pad[cathode].GetLocalBoardId(0); |
692 | Int_t manuChannel = pad[cathode].GetLocalBoardChannel(0); | |
8c0b5e70 | 693 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
168e9c4d | 694 | ix = pad[cathode].GetIx(); |
695 | iy = pad[cathode].GetIy(); | |
8c0b5e70 | 696 | d[cathode]->SetPadXY(ix,iy); |
697 | //d[cathode].SetSignal(1); | |
698 | //d[cathode].SetPhysicsSignal(0); | |
699 | d[cathode]->SetCharge(1); | |
700 | d[cathode]->NoiseOnly(kTRUE); | |
701 | AliDebug(3,Form("Adding a pure noise digit :")); | |
702 | ||
703 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
704 | if (!ok) | |
705 | { | |
706 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
707 | } | |
708 | else | |
709 | { | |
710 | fLogger->Log("Added triggerNoise digit"); | |
711 | } | |
712 | } //loop on cathodes | |
713 | } // loop on noisy pads | |
714 | } // loop on chambers | |
715 | } | |
716 | ||
717 | ||
92aeef15 | 718 | //_____________________________________________________________________________ |
40e382ae | 719 | AliLoader* |
720 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 721 | { |
40e382ae | 722 | /// Get a MUON loader |
9265505b | 723 | |
ad26d4f6 | 724 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 725 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 726 | if (!loader) |
727 | { | |
728 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
729 | return 0x0; | |
730 | } | |
40e382ae | 731 | return loader; |
92aeef15 | 732 | } |
733 | ||
734 | //_____________________________________________________________________________ | |
735 | Bool_t | |
736 | AliMUONDigitizerV3::Init() | |
737 | { | |
9265505b | 738 | /// Initialization of the TTask : |
40e382ae | 739 | /// a) create the calibrationData, according to run number |
740 | /// b) create the trigger processing task | |
9265505b | 741 | |
ad26d4f6 | 742 | AliDebug(2,""); |
92aeef15 | 743 | |
744 | if ( fIsInitialized ) | |
745 | { | |
746 | AliError("Object already initialized."); | |
747 | return kFALSE; | |
748 | } | |
749 | ||
750 | if (!fManager) | |
751 | { | |
752 | AliError("fManager is null !"); | |
753 | return kFALSE; | |
754 | } | |
755 | ||
331a617a | 756 | // Load mapping |
757 | if ( ! AliMpCDB::LoadDDLStore() ) { | |
88544f7e | 758 | AliFatal("Could not access mapping from OCDB !"); |
759 | } | |
760 | ||
92c23b09 | 761 | if (!fCalibrationData) |
762 | AliFatal("Calibration data object not defined"); | |
763 | ||
ad26d4f6 | 764 | if ( !fCalibrationData->Pedestals() ) |
765 | { | |
766 | AliFatal("Could not access pedestals from OCDB !"); | |
767 | } | |
768 | if ( !fCalibrationData->Gains() ) | |
769 | { | |
770 | AliFatal("Could not access gains from OCDB !"); | |
771 | } | |
92c23b09 | 772 | |
773 | ||
774 | AliInfo("Using trigger configuration from CDB"); | |
775 | ||
40e382ae | 776 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 777 | |
ad26d4f6 | 778 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
779 | (fGenerateNoisyDigits ? "":"NOT"))); | |
780 | ||
92aeef15 | 781 | fIsInitialized = kTRUE; |
782 | return kTRUE; | |
783 | } | |
784 | ||
92aeef15 | 785 | //_____________________________________________________________________________ |
786 | void | |
40e382ae | 787 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
788 | const AliMUONVDigitStore& input, | |
789 | Int_t mask) | |
92aeef15 | 790 | { |
9265505b | 791 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 792 | |
40e382ae | 793 | if ( !outputStore ) outputStore = input.Create(); |
794 | ||
795 | TIter next(input.CreateIterator()); | |
796 | AliMUONVDigit* sdigit; | |
797 | ||
798 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
799 | { | |
800 | // Update the track references using the mask. | |
801 | // FIXME: this is dirty, for backward compatibility only. | |
802 | // Should re-design all this way of keeping track of MC information... | |
803 | if ( mask ) sdigit->PatchTracks(mask); | |
804 | // Then add or update the digit to the output. | |
805 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
806 | if (!added) | |
92aeef15 | 807 | { |
40e382ae | 808 | AliError("Could not add digit in merge mode"); |
92aeef15 | 809 | } |
92aeef15 | 810 | } |
811 | } | |
ec9acc85 | 812 | |
813 | //_____________________________________________________________________________ | |
814 | TF1* | |
815 | AliMUONDigitizerV3::NoiseFunction() | |
816 | { | |
817 | /// Return noise function | |
818 | static TF1* f = 0x0; | |
819 | if (!f) | |
820 | { | |
5c083cba | 821 | f = new TF1("AliMUONDigitizerV3::NoiseFunction","gaus",fgNSigmas,fgNSigmas*10); |
ec9acc85 | 822 | f->SetParameters(1,0,1); |
823 | } | |
824 | return f; | |
825 | } | |
826 |