]>
Commit | Line | Data |
---|---|---|
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" | |
c93255fe | 47 | #include "AliLoader.h" |
92aeef15 | 48 | #include "AliRunLoader.h" |
331a617a | 49 | |
866c3232 | 50 | #include <Riostream.h> |
51 | #include <TF1.h> | |
40e382ae | 52 | #include <TFile.h> |
866c3232 | 53 | #include <TMath.h> |
54 | #include <TRandom.h> | |
55 | #include <TString.h> | |
40e382ae | 56 | #include <TSystem.h> |
c93255fe | 57 | #include <TTree.h> |
40e382ae | 58 | |
3d1463c8 | 59 | //----------------------------------------------------------------------------- |
9265505b | 60 | /// \class AliMUONDigitizerV3 |
4ce497c4 | 61 | /// The digitizer is performing the transformation to go from SDigits (digits |
62 | /// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration) | |
63 | /// | |
64 | /// The decalibration is performed by doing the reverse operation of the | |
65 | /// calibration, that is we do (Signal+pedestal)/gain -> ADC | |
66 | /// | |
67 | /// Note also that the digitizer takes care of merging sdigits that belongs | |
68 | /// to the same pad, either because we're merging several input sdigit files | |
69 | /// or with a single file because the sdigitizer does not merge sdigits itself | |
70 | /// (for performance reason mainly, and because anyway we know we have to do it | |
71 | /// here, at the digitization level). | |
72 | /// | |
c4ee792d | 73 | /// \author Laurent Aphecetche |
3d1463c8 | 74 | //----------------------------------------------------------------------------- |
4ce497c4 | 75 | |
76 | namespace | |
77 | { | |
78 | AliMUON* muon() | |
79 | { | |
80 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
81 | } | |
8c0b5e70 | 82 | |
83 | //ADDED for trigger noise | |
84 | const AliMUONGeometryTransformer* GetTransformer() | |
85 | { | |
86 | return muon()->GetGeometryTransformer(); | |
87 | } | |
4ce497c4 | 88 | } |
89 | ||
5c083cba | 90 | Double_t AliMUONDigitizerV3::fgNSigmas = 4.0; |
4ce497c4 | 91 | |
9265505b | 92 | /// \cond CLASSIMP |
92aeef15 | 93 | ClassImp(AliMUONDigitizerV3) |
9265505b | 94 | /// \endcond |
92aeef15 | 95 | |
96 | //_____________________________________________________________________________ | |
97 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
8c0b5e70 | 98 | Int_t generateNoisyDigits) |
92aeef15 | 99 | : AliDigitizer(manager), |
92aeef15 | 100 | fIsInitialized(kFALSE), |
92aeef15 | 101 | fCalibrationData(0x0), |
102 | fTriggerProcessor(0x0), | |
8c0b5e70 | 103 | fNoiseFunctionTrig(0x0), |
ec9acc85 | 104 | fGenerateNoisyDigits(generateNoisyDigits), |
105 | fLogger(new AliMUONLogger(1000)), | |
40e382ae | 106 | fTriggerStore(new AliMUONTriggerStoreV1), |
107 | fDigitStore(0x0), | |
9ec6a948 | 108 | fOutputDigitStore(0x0), |
ca8c8223 | 109 | fInputDigitStores(0x0) |
92aeef15 | 110 | { |
9265505b | 111 | /// Ctor. |
112 | ||
92aeef15 | 113 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); |
ec9acc85 | 114 | |
92aeef15 | 115 | } |
116 | ||
117 | //_____________________________________________________________________________ | |
118 | AliMUONDigitizerV3::~AliMUONDigitizerV3() | |
119 | { | |
9265505b | 120 | /// Dtor. Note we're the owner of some pointers. |
121 | ||
92aeef15 | 122 | AliDebug(1,"dtor"); |
4ce497c4 | 123 | |
92c23b09 | 124 | // delete fCalibrationData; |
92aeef15 | 125 | delete fTriggerProcessor; |
8c0b5e70 | 126 | delete fNoiseFunctionTrig; |
40e382ae | 127 | delete fTriggerStore; |
128 | delete fDigitStore; | |
129 | delete fOutputDigitStore; | |
ca8c8223 | 130 | delete fInputDigitStores; |
9ec6a948 | 131 | |
ad26d4f6 | 132 | AliInfo("Summary of messages"); |
133 | fLogger->Print(); | |
4ce497c4 | 134 | |
ad26d4f6 | 135 | delete fLogger; |
92aeef15 | 136 | } |
137 | ||
138 | //_____________________________________________________________________________ | |
139 | void | |
40e382ae | 140 | AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise) |
92aeef15 | 141 | { |
9265505b | 142 | /// For tracking digits, starting from an ideal digit's charge, we : |
143 | /// | |
cf27231a | 144 | /// - "divide" by a gain (thus decalibrating the digit) |
9265505b | 145 | /// - add a pedestal (thus decalibrating the digit) |
b74ca120 | 146 | /// - add some electronics noise (thus leading to a realistic adc), if requested to do so |
9265505b | 147 | /// - sets the signal to zero if below 3*sigma of the noise |
59b91539 | 148 | |
5d950f54 | 149 | Float_t charge = digit.IsChargeInFC() ? digit.Charge()*AliMUONConstants::FC2ADC() : digit.Charge(); |
cf27231a | 150 | |
151 | // We set the charge to 0, as the only relevant piece of information | |
152 | // after Digitization is the ADC value. | |
153 | digit.SetCharge(0); | |
b74ca120 | 154 | |
4ce497c4 | 155 | Int_t detElemId = digit.DetElemId(); |
92aeef15 | 156 | Int_t manuId = digit.ManuId(); |
92aeef15 | 157 | |
4ce497c4 | 158 | AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId); |
92aeef15 | 159 | if (!pedestal) |
ad26d4f6 | 160 | { |
161 | fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.", | |
162 | __FILE__,__LINE__, | |
163 | detElemId,manuId)); | |
ad26d4f6 | 164 | digit.SetADC(0); |
165 | return; | |
166 | } | |
59b91539 | 167 | |
627ba19f | 168 | Int_t manuChannel = digit.ManuChannel(); |
169 | ||
170 | if ( pedestal->ValueAsFloat(manuChannel,0) == AliMUONVCalibParam::InvalidFloatValue() || | |
171 | pedestal->ValueAsFloat(manuChannel,1) == AliMUONVCalibParam::InvalidFloatValue() ) | |
172 | { | |
173 | // protection against invalid pedestal value | |
174 | digit.SetADC(0); | |
175 | return; | |
176 | } | |
177 | ||
4ce497c4 | 178 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 179 | if (!gain) |
ad26d4f6 | 180 | { |
181 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
182 | __FILE__,__LINE__, | |
183 | detElemId,manuId)); | |
ad26d4f6 | 184 | digit.SetADC(0); |
185 | return; | |
186 | } | |
cf27231a | 187 | |
ec9acc85 | 188 | Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise, |
189 | digit.IsNoiseOnly()); | |
59b91539 | 190 | |
92aeef15 | 191 | digit.SetADC(adc); |
192 | } | |
193 | ||
194 | //_____________________________________________________________________________ | |
195 | void | |
40e382ae | 196 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
197 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 198 | { |
9265505b | 199 | /// Loop over all chamber digits, and apply the response to them |
200 | /// Note that this method may remove digits. | |
201 | ||
40e382ae | 202 | filteredStore.Clear(); |
203 | ||
4ce497c4 | 204 | const Bool_t kAddNoise = kTRUE; |
205 | ||
40e382ae | 206 | TIter next(store.CreateIterator()); |
207 | AliMUONVDigit* digit; | |
208 | ||
209 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 210 | { |
40e382ae | 211 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
212 | ||
213 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 214 | { |
ac6411cf | 215 | Bool_t addNoise = kAddNoise; |
216 | if (digit->IsConverted()) addNoise = kFALSE; // No need to add extra noise to a converted real digit | |
217 | ApplyResponseToTrackerDigit(*digit,addNoise); | |
92aeef15 | 218 | } |
7d7d22a6 | 219 | |
cf27231a | 220 | if ( digit->ADC() > 0 || digit->Charge() > 0 ) |
40e382ae | 221 | { |
222 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 223 | } |
92aeef15 | 224 | } |
40e382ae | 225 | } |
92aeef15 | 226 | |
b74ca120 | 227 | //_____________________________________________________________________________ |
228 | Int_t | |
229 | AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals, | |
230 | const AliMUONVCalibParam& gains, | |
231 | Int_t channel, | |
232 | Float_t charge, | |
ec9acc85 | 233 | Bool_t addNoise, |
234 | Bool_t noiseOnly) | |
b74ca120 | 235 | { |
236 | /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its | |
237 | /// pedestal and gain parameters. | |
238 | /// Must insure before calling that channel is valid (i.e. between 0 and | |
239 | /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel | |
240 | /// otherwise results are not predictible...) | |
241 | ||
242 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. | |
243 | ||
244 | Float_t pedestalMean = pedestals.ValueAsFloat(channel,0); | |
245 | Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1); | |
246 | ||
ec9acc85 | 247 | AliDebugClass(1,Form("DE %04d MANU %04d CH %02d PEDMEAN %7.2f PEDSIGMA %7.2f", |
5d950f54 | 248 | pedestals.ID0(),pedestals.ID1(),channel,pedestalMean,pedestalSigma)); |
ec9acc85 | 249 | |
b74ca120 | 250 | Float_t a0 = gains.ValueAsFloat(channel,0); |
251 | Float_t a1 = gains.ValueAsFloat(channel,1); | |
252 | Int_t thres = gains.ValueAsInt(channel,2); | |
253 | Int_t qual = gains.ValueAsInt(channel,3); | |
5d950f54 | 254 | |
b74ca120 | 255 | if ( qual <= 0 ) return 0; |
256 | ||
257 | Float_t chargeThres = a0*thres; | |
258 | ||
259 | Float_t padc(0); // (adc - ped) value | |
260 | ||
261 | if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 ) | |
262 | { | |
263 | // linear part only | |
264 | ||
265 | if ( TMath::Abs(a0) > 1E-12 ) | |
266 | { | |
267 | padc = charge/a0; | |
268 | } | |
269 | } | |
270 | else | |
271 | { | |
272 | // linear + parabolic part | |
273 | Double_t qt = chargeThres - charge; | |
274 | Double_t delta = a0*a0-4*a1*qt; | |
275 | if ( delta < 0 ) | |
276 | { | |
277 | AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d " | |
278 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e", | |
279 | delta,pedestals.ID0(),pedestals.ID1(), | |
280 | channel, charge, a0, a1, thres, pedestalMean, | |
281 | pedestalSigma)); | |
282 | } | |
283 | else | |
284 | { | |
285 | delta = TMath::Sqrt(delta); | |
286 | ||
287 | padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) ); | |
288 | ||
289 | padc /= 2*a1; | |
290 | ||
291 | if ( padc < 0 ) | |
292 | { | |
293 | if ( TMath::Abs(padc) > 1E-3) | |
294 | { | |
295 | // this is more than a precision problem : let's signal it ! | |
296 | AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d " | |
297 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e", | |
298 | padc,pedestals.ID0(),pedestals.ID1(), | |
299 | channel, charge, a0, a1, thres, pedestalMean, | |
300 | pedestalSigma,delta)); | |
301 | } | |
302 | ||
303 | // ok. consider we're just at thres, let it be zero. | |
304 | padc = 0; | |
305 | } | |
306 | ||
307 | padc += thres; | |
308 | ||
309 | } | |
310 | } | |
311 | ||
312 | Int_t adc(0); | |
313 | ||
ec9acc85 | 314 | Float_t adcNoise = 0.0; |
b74ca120 | 315 | |
ec9acc85 | 316 | if ( addNoise ) |
317 | { | |
318 | if ( noiseOnly ) | |
319 | { | |
320 | adcNoise = NoiseFunction()->GetRandom()*pedestalSigma; | |
321 | } | |
322 | else | |
323 | { | |
324 | adcNoise = gRandom->Gaus(0.0,pedestalSigma); | |
325 | } | |
326 | } | |
b74ca120 | 327 | |
ec9acc85 | 328 | adc = TMath::Nint(padc + pedestalMean + adcNoise + 0.5); |
329 | ||
5c083cba | 330 | if ( adc < TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5) ) |
ec9acc85 | 331 | { |
d537c8e4 | 332 | // this is an error only in specific cases |
333 | if ( !addNoise || (addNoise && noiseOnly) ) | |
334 | { | |
335 | AliErrorClass(Form(" DE %04d Manu %04d Channel %02d " | |
336 | " a0 %7.2f a1 %7.2f thres %04d ped %7.2f pedsig %7.2f adcNoise %7.2f " | |
337 | " charge=%7.2f padc=%7.2f adc=%04d ZS=%04d fgNSigmas=%e addNoise %d noiseOnly %d ", | |
338 | pedestals.ID0(),pedestals.ID1(),channel, | |
339 | a0, a1, thres, pedestalMean, pedestalSigma, adcNoise, | |
340 | charge, padc, adc, | |
341 | TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5), | |
342 | fgNSigmas,addNoise,noiseOnly)); | |
343 | } | |
344 | ||
ec9acc85 | 345 | adc = 0; |
b74ca120 | 346 | } |
347 | ||
348 | // be sure we stick to 12 bits. | |
349 | if ( adc > kMaxADC ) | |
350 | { | |
351 | adc = kMaxADC; | |
352 | } | |
353 | ||
354 | return adc; | |
355 | } | |
356 | ||
9ec6a948 | 357 | //_____________________________________________________________________________ |
358 | void | |
ca8c8223 | 359 | AliMUONDigitizerV3::CreateInputDigitStores() |
9ec6a948 | 360 | { |
ca8c8223 | 361 | /// Create input digit stores |
362 | /// | |
9ec6a948 | 363 | |
ca8c8223 | 364 | if (fInputDigitStores) |
365 | { | |
366 | AliFatal("Should be called only once !"); | |
367 | } | |
368 | ||
369 | fInputDigitStores = new TObjArray; | |
370 | ||
371 | fInputDigitStores->SetOwner(kTRUE); | |
9ec6a948 | 372 | |
373 | for ( Int_t iFile = 0; iFile < fManager->GetNinputs(); ++iFile ) | |
374 | { | |
375 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); | |
376 | ||
377 | inputLoader->LoadSDigits("READ"); | |
378 | ||
379 | TTree* iTreeS = inputLoader->TreeS(); | |
380 | if (!iTreeS) | |
381 | { | |
382 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
383 | } | |
384 | ||
ca8c8223 | 385 | fInputDigitStores->AddAt(AliMUONVDigitStore::Create(*iTreeS),iFile); |
9ec6a948 | 386 | } |
387 | } | |
388 | ||
92aeef15 | 389 | //_____________________________________________________________________________ |
390 | void | |
391 | AliMUONDigitizerV3::Exec(Option_t*) | |
392 | { | |
9265505b | 393 | /// Main method. |
394 | /// We first loop over input files, and merge the sdigits we found there. | |
395 | /// Second, we digitize all the resulting sdigits | |
396 | /// Then we generate noise-only digits (for tracker only) | |
397 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 398 | |
99c136e1 | 399 | AliCodeTimerAuto("",0) |
b74ca120 | 400 | |
92aeef15 | 401 | if ( fManager->GetNinputs() == 0 ) |
402 | { | |
403 | AliWarning("No input set. Nothing to do."); | |
404 | return; | |
405 | } | |
406 | ||
407 | if ( !fIsInitialized ) | |
408 | { | |
409 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
410 | return; | |
411 | } | |
412 | ||
413 | Int_t nInputFiles = fManager->GetNinputs(); | |
414 | ||
40e382ae | 415 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
416 | ||
417 | outputLoader->MakeDigitsContainer(); | |
418 | ||
419 | TTree* oTreeD = outputLoader->TreeD(); | |
420 | ||
421 | if (!oTreeD) | |
92aeef15 | 422 | { |
40e382ae | 423 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 424 | } |
40e382ae | 425 | |
92aeef15 | 426 | // Loop over all the input files, and merge the sdigits found in those |
427 | // files. | |
40e382ae | 428 | |
92aeef15 | 429 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
5d950f54 | 430 | { |
40e382ae | 431 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
432 | ||
433 | inputLoader->LoadSDigits("READ"); | |
434 | ||
435 | TTree* iTreeS = inputLoader->TreeS(); | |
436 | if (!iTreeS) | |
92aeef15 | 437 | { |
438 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
439 | } | |
9ec6a948 | 440 | |
ca8c8223 | 441 | if (!fInputDigitStores) |
9ec6a948 | 442 | { |
ca8c8223 | 443 | CreateInputDigitStores(); |
9ec6a948 | 444 | } |
40e382ae | 445 | |
ca8c8223 | 446 | AliMUONVDigitStore* dstore = static_cast<AliMUONVDigitStore*>(fInputDigitStores->At(iFile)); |
447 | ||
448 | dstore->Connect(*iTreeS); | |
40e382ae | 449 | |
ca8c8223 | 450 | iTreeS->GetEvent(0); |
451 | ||
452 | MergeWithSDigits(fDigitStore,*dstore,fManager->GetMask(iFile)); | |
05314992 | 453 | |
40e382ae | 454 | inputLoader->UnloadSDigits(); |
05314992 | 455 | |
ca8c8223 | 456 | dstore->Clear(); |
92aeef15 | 457 | } |
5d950f54 | 458 | |
92aeef15 | 459 | |
460 | // At this point, we do have digit arrays (one per chamber) which contains | |
461 | // the merging of all the sdigits of the input file(s). | |
462 | // We now massage them to apply the detector response, i.e. this | |
463 | // is here that we do the "digitization" work. | |
464 | ||
40e382ae | 465 | if (!fOutputDigitStore) |
466 | { | |
467 | fOutputDigitStore = fDigitStore->Create(); | |
468 | } | |
469 | ||
8c0b5e70 | 470 | if ( fGenerateNoisyDigits>=2 ) |
471 | { | |
472 | // Generate noise-only digits for trigger. | |
473 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
474 | } | |
40e382ae | 475 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
5d950f54 | 476 | |
4ce497c4 | 477 | if ( fGenerateNoisyDigits ) |
478 | { | |
479 | // Generate noise-only digits for tracker. | |
40e382ae | 480 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 481 | } |
482 | ||
92aeef15 | 483 | // We generate the global and local trigger decisions. |
40e382ae | 484 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
485 | ||
486 | // Prepare output tree | |
487 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
488 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
489 | if (!okD || !okT) | |
490 | { | |
491 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
492 | return; | |
493 | } | |
92aeef15 | 494 | |
495 | // Fill the output treeD | |
40e382ae | 496 | oTreeD->Fill(); |
92aeef15 | 497 | |
498 | // Write to the output tree(D). | |
499 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
500 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
501 | // the 3 branches. | |
40e382ae | 502 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 503 | |
40e382ae | 504 | outputLoader->UnloadDigits(); |
4ce497c4 | 505 | |
40e382ae | 506 | // Finally, we clean up after ourselves. |
507 | fTriggerStore->Clear(); | |
508 | fDigitStore->Clear(); | |
509 | fOutputDigitStore->Clear(); | |
92aeef15 | 510 | } |
511 | ||
4ce497c4 | 512 | |
4ce497c4 | 513 | //_____________________________________________________________________________ |
514 | void | |
40e382ae | 515 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 516 | { |
9265505b | 517 | /// According to a given probability, generate digits that |
518 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
519 | /// that are "only noise". | |
4ce497c4 | 520 | |
99c136e1 | 521 | AliCodeTimerAuto("",0) |
b74ca120 | 522 | |
4ce497c4 | 523 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) |
524 | { | |
525 | AliMpDEIterator it; | |
526 | ||
527 | it.First(i); | |
528 | ||
529 | while ( !it.IsDone() ) | |
530 | { | |
531 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
532 | { | |
40e382ae | 533 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 534 | } |
535 | it.Next(); | |
536 | } | |
537 | } | |
4ce497c4 | 538 | } |
539 | ||
540 | //_____________________________________________________________________________ | |
541 | void | |
40e382ae | 542 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
543 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 544 | { |
9265505b | 545 | /// Generate noise-only digits for one cathode of one detection element. |
546 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 547 | |
9265505b | 548 | const AliMpVSegmentation* seg |
866c3232 | 549 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 550 | Int_t nofPads = seg->NofPads(); |
551 | ||
552 | Int_t maxIx = seg->MaxPadIndexX(); | |
553 | Int_t maxIy = seg->MaxPadIndexY(); | |
554 | ||
5c083cba | 555 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 556 | |
84aac932 | 557 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 558 | if ( !nofNoisyPads ) return; |
559 | ||
560 | nofNoisyPads = | |
561 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
562 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
563 | ||
564 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
565 | ||
40e382ae | 566 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 567 | { |
568 | Int_t ix(-1); | |
569 | Int_t iy(-1); | |
40e382ae | 570 | AliMpPad pad; |
571 | ||
4ce497c4 | 572 | do { |
573 | ix = gRandom->Integer(maxIx+1); | |
574 | iy = gRandom->Integer(maxIy+1); | |
168e9c4d | 575 | pad = seg->PadByIndices(ix,iy,kFALSE); |
40e382ae | 576 | } while ( !pad.IsValid() ); |
577 | ||
168e9c4d | 578 | Int_t manuId = pad.GetManuId(); |
579 | Int_t manuChannel = pad.GetManuChannel(); | |
40e382ae | 580 | |
4ce497c4 | 581 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
582 | ||
ad26d4f6 | 583 | if (!pedestals) |
584 | { | |
585 | // no pedestal available for this channel, simply give up | |
40e382ae | 586 | continue; |
ad26d4f6 | 587 | } |
588 | ||
40e382ae | 589 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
590 | ||
591 | d->SetPadXY(ix,iy); | |
592 | ||
ec9acc85 | 593 | d->SetCharge(0.0); // charge is zero, the ApplyResponseToTrackerDigit will add the noise |
40e382ae | 594 | d->NoiseOnly(kTRUE); |
ec9acc85 | 595 | ApplyResponseToTrackerDigit(*d,kTRUE); |
cf27231a | 596 | if ( d->ADC() > 0 ) |
4ce497c4 | 597 | { |
40e382ae | 598 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
599 | // this can happen (that we randomly chose a digit that is | |
600 | // already there). We simply ignore this, but log the occurence | |
601 | // to cross-check that it's not too frequent. | |
602 | if (!ok) | |
603 | { | |
604 | fLogger->Log("Collision while adding noiseOnly digit"); | |
605 | } | |
606 | else | |
607 | { | |
608 | fLogger->Log("Added noiseOnly digit"); | |
609 | } | |
4ce497c4 | 610 | } |
40e382ae | 611 | delete d; |
4ce497c4 | 612 | } |
613 | } | |
614 | ||
8c0b5e70 | 615 | |
616 | //_____________________________________________________________________________ | |
617 | void | |
618 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
619 | { | |
620 | /// Generate noise-only digits for one cathode of one detection element. | |
621 | /// Called by GenerateNoisyDigits() | |
622 | ||
623 | if ( !fNoiseFunctionTrig ) | |
624 | { | |
625 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
626 | 50.,270.); | |
627 | ||
628 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
629 | } | |
630 | ||
631 | AliMpPad pad[2]; | |
632 | AliMUONVDigit *d[2]={0x0}; | |
633 | ||
634 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
635 | { | |
636 | ||
637 | Int_t nofNoisyPads = 50; | |
638 | ||
639 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
640 | AliMpDEIterator it; | |
641 | ||
642 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
643 | ||
644 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
645 | { | |
646 | //printf("Generating noise %i\n",i); | |
647 | Int_t ix(-1); | |
648 | Int_t iy(-1); | |
649 | Bool_t isOk = kFALSE; | |
650 | Int_t detElemId = -1; | |
651 | do { | |
652 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
653 | r = fNoiseFunctionTrig->GetRandom(); | |
654 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
655 | //printf("r = %f\tfi = %f\n", r, fi); | |
656 | gx = r * TMath::Cos(fi); | |
657 | gy = r * TMath::Sin(fi); | |
658 | ||
659 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
660 | Int_t currDetElemId = it.CurrentDEId(); | |
661 | const AliMpVSegmentation* seg | |
662 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
663 | if (!seg) continue; | |
6e97fbb8 | 664 | Float_t deltax = seg->GetDimensionX(); |
665 | Float_t deltay = seg->GetDimensionY(); | |
8c0b5e70 | 666 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); |
667 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
668 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
669 | if(xg01>xg02){ | |
670 | xg1 = xg02; | |
671 | xg2 = xg01; | |
672 | } | |
673 | if(yg01>yg02){ | |
674 | yg1 = yg02; | |
675 | yg2 = yg01; | |
676 | } | |
677 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
678 | detElemId = currDetElemId; | |
679 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
6e97fbb8 | 680 | pad[0] = seg->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 681 | if(!pad[0].IsValid()) continue; |
682 | isOk = kTRUE; | |
683 | break; | |
684 | } | |
685 | } // loop on slats | |
686 | } while ( !isOk ); | |
687 | ||
688 | const AliMpVSegmentation* seg1 | |
689 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
6e97fbb8 | 690 | pad[1] = seg1->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 691 | |
692 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
168e9c4d | 693 | Int_t manuId = pad[cathode].GetLocalBoardId(0); |
694 | Int_t manuChannel = pad[cathode].GetLocalBoardChannel(0); | |
8c0b5e70 | 695 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
168e9c4d | 696 | ix = pad[cathode].GetIx(); |
697 | iy = pad[cathode].GetIy(); | |
8c0b5e70 | 698 | d[cathode]->SetPadXY(ix,iy); |
699 | //d[cathode].SetSignal(1); | |
700 | //d[cathode].SetPhysicsSignal(0); | |
701 | d[cathode]->SetCharge(1); | |
702 | d[cathode]->NoiseOnly(kTRUE); | |
703 | AliDebug(3,Form("Adding a pure noise digit :")); | |
704 | ||
705 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
706 | if (!ok) | |
707 | { | |
708 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
709 | } | |
710 | else | |
711 | { | |
712 | fLogger->Log("Added triggerNoise digit"); | |
713 | } | |
714 | } //loop on cathodes | |
715 | } // loop on noisy pads | |
716 | } // loop on chambers | |
717 | } | |
718 | ||
719 | ||
92aeef15 | 720 | //_____________________________________________________________________________ |
40e382ae | 721 | AliLoader* |
722 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 723 | { |
40e382ae | 724 | /// Get a MUON loader |
9265505b | 725 | |
ad26d4f6 | 726 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 727 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 728 | if (!loader) |
729 | { | |
730 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
731 | return 0x0; | |
732 | } | |
40e382ae | 733 | return loader; |
92aeef15 | 734 | } |
735 | ||
736 | //_____________________________________________________________________________ | |
737 | Bool_t | |
738 | AliMUONDigitizerV3::Init() | |
739 | { | |
9265505b | 740 | /// Initialization of the TTask : |
40e382ae | 741 | /// a) create the calibrationData, according to run number |
742 | /// b) create the trigger processing task | |
9265505b | 743 | |
ad26d4f6 | 744 | AliDebug(2,""); |
92aeef15 | 745 | |
746 | if ( fIsInitialized ) | |
747 | { | |
748 | AliError("Object already initialized."); | |
749 | return kFALSE; | |
750 | } | |
751 | ||
752 | if (!fManager) | |
753 | { | |
754 | AliError("fManager is null !"); | |
755 | return kFALSE; | |
756 | } | |
757 | ||
331a617a | 758 | // Load mapping |
759 | if ( ! AliMpCDB::LoadDDLStore() ) { | |
88544f7e | 760 | AliFatal("Could not access mapping from OCDB !"); |
761 | } | |
762 | ||
92c23b09 | 763 | if (!fCalibrationData) |
764 | AliFatal("Calibration data object not defined"); | |
765 | ||
ad26d4f6 | 766 | if ( !fCalibrationData->Pedestals() ) |
767 | { | |
768 | AliFatal("Could not access pedestals from OCDB !"); | |
769 | } | |
770 | if ( !fCalibrationData->Gains() ) | |
771 | { | |
772 | AliFatal("Could not access gains from OCDB !"); | |
773 | } | |
92c23b09 | 774 | |
775 | ||
776 | AliInfo("Using trigger configuration from CDB"); | |
777 | ||
40e382ae | 778 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 779 | |
ad26d4f6 | 780 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
781 | (fGenerateNoisyDigits ? "":"NOT"))); | |
782 | ||
92aeef15 | 783 | fIsInitialized = kTRUE; |
784 | return kTRUE; | |
785 | } | |
786 | ||
92aeef15 | 787 | //_____________________________________________________________________________ |
788 | void | |
40e382ae | 789 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
790 | const AliMUONVDigitStore& input, | |
791 | Int_t mask) | |
92aeef15 | 792 | { |
9265505b | 793 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 794 | |
40e382ae | 795 | if ( !outputStore ) outputStore = input.Create(); |
796 | ||
797 | TIter next(input.CreateIterator()); | |
798 | AliMUONVDigit* sdigit; | |
799 | ||
800 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
801 | { | |
802 | // Update the track references using the mask. | |
803 | // FIXME: this is dirty, for backward compatibility only. | |
804 | // Should re-design all this way of keeping track of MC information... | |
805 | if ( mask ) sdigit->PatchTracks(mask); | |
806 | // Then add or update the digit to the output. | |
807 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
808 | if (!added) | |
92aeef15 | 809 | { |
40e382ae | 810 | AliError("Could not add digit in merge mode"); |
92aeef15 | 811 | } |
92aeef15 | 812 | } |
813 | } | |
ec9acc85 | 814 | |
815 | //_____________________________________________________________________________ | |
816 | TF1* | |
817 | AliMUONDigitizerV3::NoiseFunction() | |
818 | { | |
819 | /// Return noise function | |
820 | static TF1* f = 0x0; | |
821 | if (!f) | |
822 | { | |
5c083cba | 823 | f = new TF1("AliMUONDigitizerV3::NoiseFunction","gaus",fgNSigmas,fgNSigmas*10); |
ec9acc85 | 824 | f->SetParameters(1,0,1); |
825 | } | |
826 | return f; | |
827 | } | |
828 |