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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 "AliMpIntPair.h" |
39 | #include "AliMpPad.h" | |
40e382ae | 40 | #include "AliMpStationType.h" |
4ce497c4 | 41 | #include "AliMpVSegmentation.h" |
331a617a | 42 | |
43 | #include "AliCDBManager.h" | |
44 | #include "AliCodeTimer.h" | |
45 | #include "AliLog.h" | |
92aeef15 | 46 | #include "AliRun.h" |
47 | #include "AliRunDigitizer.h" | |
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> |
57 | ||
3d1463c8 | 58 | //----------------------------------------------------------------------------- |
9265505b | 59 | /// \class AliMUONDigitizerV3 |
4ce497c4 | 60 | /// The digitizer is performing the transformation to go from SDigits (digits |
61 | /// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration) | |
62 | /// | |
63 | /// The decalibration is performed by doing the reverse operation of the | |
64 | /// calibration, that is we do (Signal+pedestal)/gain -> ADC | |
65 | /// | |
66 | /// Note also that the digitizer takes care of merging sdigits that belongs | |
67 | /// to the same pad, either because we're merging several input sdigit files | |
68 | /// or with a single file because the sdigitizer does not merge sdigits itself | |
69 | /// (for performance reason mainly, and because anyway we know we have to do it | |
70 | /// here, at the digitization level). | |
71 | /// | |
c4ee792d | 72 | /// \author Laurent Aphecetche |
3d1463c8 | 73 | //----------------------------------------------------------------------------- |
4ce497c4 | 74 | |
75 | namespace | |
76 | { | |
77 | AliMUON* muon() | |
78 | { | |
79 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
80 | } | |
8c0b5e70 | 81 | |
82 | //ADDED for trigger noise | |
83 | const AliMUONGeometryTransformer* GetTransformer() | |
84 | { | |
85 | return muon()->GetGeometryTransformer(); | |
86 | } | |
4ce497c4 | 87 | } |
88 | ||
89 | const Double_t AliMUONDigitizerV3::fgkNSigmas=3; | |
90 | ||
9265505b | 91 | /// \cond CLASSIMP |
92aeef15 | 92 | ClassImp(AliMUONDigitizerV3) |
9265505b | 93 | /// \endcond |
92aeef15 | 94 | |
95 | //_____________________________________________________________________________ | |
96 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
8c0b5e70 | 97 | Int_t generateNoisyDigits) |
92aeef15 | 98 | : AliDigitizer(manager), |
92aeef15 | 99 | fIsInitialized(kFALSE), |
92aeef15 | 100 | fCalibrationData(0x0), |
101 | fTriggerProcessor(0x0), | |
8c0b5e70 | 102 | fNoiseFunctionTrig(0x0), |
ec9acc85 | 103 | fGenerateNoisyDigits(generateNoisyDigits), |
104 | fLogger(new AliMUONLogger(1000)), | |
40e382ae | 105 | fTriggerStore(new AliMUONTriggerStoreV1), |
106 | fDigitStore(0x0), | |
107 | fOutputDigitStore(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 | |
92aeef15 | 122 | delete fCalibrationData; |
123 | delete fTriggerProcessor; | |
8c0b5e70 | 124 | delete fNoiseFunctionTrig; |
40e382ae | 125 | delete fTriggerStore; |
126 | delete fDigitStore; | |
127 | delete fOutputDigitStore; | |
b74ca120 | 128 | |
ad26d4f6 | 129 | AliInfo("Summary of messages"); |
130 | fLogger->Print(); | |
4ce497c4 | 131 | |
ad26d4f6 | 132 | delete fLogger; |
92aeef15 | 133 | } |
134 | ||
135 | //_____________________________________________________________________________ | |
136 | void | |
40e382ae | 137 | AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise) |
92aeef15 | 138 | { |
9265505b | 139 | /// For tracking digits, starting from an ideal digit's charge, we : |
140 | /// | |
cf27231a | 141 | /// - "divide" by a gain (thus decalibrating the digit) |
9265505b | 142 | /// - add a pedestal (thus decalibrating the digit) |
b74ca120 | 143 | /// - add some electronics noise (thus leading to a realistic adc), if requested to do so |
9265505b | 144 | /// - sets the signal to zero if below 3*sigma of the noise |
59b91539 | 145 | |
cf27231a | 146 | Float_t charge = digit.Charge(); |
147 | ||
148 | // We set the charge to 0, as the only relevant piece of information | |
149 | // after Digitization is the ADC value. | |
150 | digit.SetCharge(0); | |
b74ca120 | 151 | |
4ce497c4 | 152 | Int_t detElemId = digit.DetElemId(); |
92aeef15 | 153 | Int_t manuId = digit.ManuId(); |
92aeef15 | 154 | |
4ce497c4 | 155 | AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId); |
92aeef15 | 156 | if (!pedestal) |
ad26d4f6 | 157 | { |
158 | fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.", | |
159 | __FILE__,__LINE__, | |
160 | detElemId,manuId)); | |
ad26d4f6 | 161 | digit.SetADC(0); |
162 | return; | |
163 | } | |
59b91539 | 164 | |
4ce497c4 | 165 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 166 | if (!gain) |
ad26d4f6 | 167 | { |
168 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
169 | __FILE__,__LINE__, | |
170 | detElemId,manuId)); | |
ad26d4f6 | 171 | digit.SetADC(0); |
172 | return; | |
173 | } | |
cf27231a | 174 | |
b74ca120 | 175 | Int_t manuChannel = digit.ManuChannel(); |
ad26d4f6 | 176 | |
ec9acc85 | 177 | Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise, |
178 | digit.IsNoiseOnly()); | |
59b91539 | 179 | |
92aeef15 | 180 | digit.SetADC(adc); |
181 | } | |
182 | ||
183 | //_____________________________________________________________________________ | |
184 | void | |
40e382ae | 185 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
186 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 187 | { |
9265505b | 188 | /// Loop over all chamber digits, and apply the response to them |
189 | /// Note that this method may remove digits. | |
190 | ||
40e382ae | 191 | filteredStore.Clear(); |
192 | ||
4ce497c4 | 193 | const Bool_t kAddNoise = kTRUE; |
194 | ||
40e382ae | 195 | TIter next(store.CreateIterator()); |
196 | AliMUONVDigit* digit; | |
197 | ||
198 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 199 | { |
40e382ae | 200 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
201 | ||
202 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 203 | { |
40e382ae | 204 | ApplyResponseToTrackerDigit(*digit,kAddNoise); |
92aeef15 | 205 | } |
7d7d22a6 | 206 | |
cf27231a | 207 | if ( digit->ADC() > 0 || digit->Charge() > 0 ) |
40e382ae | 208 | { |
209 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 210 | } |
92aeef15 | 211 | } |
40e382ae | 212 | } |
92aeef15 | 213 | |
b74ca120 | 214 | //_____________________________________________________________________________ |
215 | Int_t | |
216 | AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals, | |
217 | const AliMUONVCalibParam& gains, | |
218 | Int_t channel, | |
219 | Float_t charge, | |
ec9acc85 | 220 | Bool_t addNoise, |
221 | Bool_t noiseOnly) | |
b74ca120 | 222 | { |
223 | /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its | |
224 | /// pedestal and gain parameters. | |
225 | /// Must insure before calling that channel is valid (i.e. between 0 and | |
226 | /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel | |
227 | /// otherwise results are not predictible...) | |
228 | ||
229 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. | |
230 | ||
231 | Float_t pedestalMean = pedestals.ValueAsFloat(channel,0); | |
232 | Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1); | |
233 | ||
ec9acc85 | 234 | AliDebugClass(1,Form("DE %04d MANU %04d CH %02d PEDMEAN %7.2f PEDSIGMA %7.2f", |
235 | pedestals.ID0(),pedestals.ID1(),channel,pedestalMean,pedestalSigma)); | |
236 | ||
b74ca120 | 237 | Float_t a0 = gains.ValueAsFloat(channel,0); |
238 | Float_t a1 = gains.ValueAsFloat(channel,1); | |
239 | Int_t thres = gains.ValueAsInt(channel,2); | |
240 | Int_t qual = gains.ValueAsInt(channel,3); | |
241 | if ( qual <= 0 ) return 0; | |
242 | ||
243 | Float_t chargeThres = a0*thres; | |
244 | ||
245 | Float_t padc(0); // (adc - ped) value | |
246 | ||
247 | if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 ) | |
248 | { | |
249 | // linear part only | |
250 | ||
251 | if ( TMath::Abs(a0) > 1E-12 ) | |
252 | { | |
253 | padc = charge/a0; | |
254 | } | |
255 | } | |
256 | else | |
257 | { | |
258 | // linear + parabolic part | |
259 | Double_t qt = chargeThres - charge; | |
260 | Double_t delta = a0*a0-4*a1*qt; | |
261 | if ( delta < 0 ) | |
262 | { | |
263 | AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d " | |
264 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e", | |
265 | delta,pedestals.ID0(),pedestals.ID1(), | |
266 | channel, charge, a0, a1, thres, pedestalMean, | |
267 | pedestalSigma)); | |
268 | } | |
269 | else | |
270 | { | |
271 | delta = TMath::Sqrt(delta); | |
272 | ||
273 | padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) ); | |
274 | ||
275 | padc /= 2*a1; | |
276 | ||
277 | if ( padc < 0 ) | |
278 | { | |
279 | if ( TMath::Abs(padc) > 1E-3) | |
280 | { | |
281 | // this is more than a precision problem : let's signal it ! | |
282 | AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d " | |
283 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e", | |
284 | padc,pedestals.ID0(),pedestals.ID1(), | |
285 | channel, charge, a0, a1, thres, pedestalMean, | |
286 | pedestalSigma,delta)); | |
287 | } | |
288 | ||
289 | // ok. consider we're just at thres, let it be zero. | |
290 | padc = 0; | |
291 | } | |
292 | ||
293 | padc += thres; | |
294 | ||
295 | } | |
296 | } | |
297 | ||
298 | Int_t adc(0); | |
299 | ||
ec9acc85 | 300 | Float_t adcNoise = 0.0; |
b74ca120 | 301 | |
ec9acc85 | 302 | if ( addNoise ) |
303 | { | |
304 | if ( noiseOnly ) | |
305 | { | |
306 | adcNoise = NoiseFunction()->GetRandom()*pedestalSigma; | |
307 | } | |
308 | else | |
309 | { | |
310 | adcNoise = gRandom->Gaus(0.0,pedestalSigma); | |
311 | } | |
312 | } | |
b74ca120 | 313 | |
ec9acc85 | 314 | adc = TMath::Nint(padc + pedestalMean + adcNoise + 0.5); |
315 | ||
316 | if ( adc < TMath::Nint(pedestalMean + fgkNSigmas*pedestalSigma + 0.5) ) | |
317 | { | |
318 | adc = 0; | |
b74ca120 | 319 | } |
320 | ||
321 | // be sure we stick to 12 bits. | |
322 | if ( adc > kMaxADC ) | |
323 | { | |
324 | adc = kMaxADC; | |
325 | } | |
326 | ||
327 | return adc; | |
328 | } | |
329 | ||
92aeef15 | 330 | //_____________________________________________________________________________ |
331 | void | |
332 | AliMUONDigitizerV3::Exec(Option_t*) | |
333 | { | |
9265505b | 334 | /// Main method. |
335 | /// We first loop over input files, and merge the sdigits we found there. | |
336 | /// Second, we digitize all the resulting sdigits | |
337 | /// Then we generate noise-only digits (for tracker only) | |
338 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 339 | |
b74ca120 | 340 | AliCodeTimerAuto("") |
341 | ||
92aeef15 | 342 | AliDebug(1, "Running digitizer."); |
343 | ||
344 | if ( fManager->GetNinputs() == 0 ) | |
345 | { | |
346 | AliWarning("No input set. Nothing to do."); | |
347 | return; | |
348 | } | |
349 | ||
350 | if ( !fIsInitialized ) | |
351 | { | |
352 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
353 | return; | |
354 | } | |
355 | ||
356 | Int_t nInputFiles = fManager->GetNinputs(); | |
357 | ||
40e382ae | 358 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
359 | ||
360 | outputLoader->MakeDigitsContainer(); | |
361 | ||
362 | TTree* oTreeD = outputLoader->TreeD(); | |
363 | ||
364 | if (!oTreeD) | |
92aeef15 | 365 | { |
40e382ae | 366 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 367 | } |
40e382ae | 368 | |
92aeef15 | 369 | // Loop over all the input files, and merge the sdigits found in those |
370 | // files. | |
40e382ae | 371 | |
92aeef15 | 372 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
373 | { | |
40e382ae | 374 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
375 | ||
376 | inputLoader->LoadSDigits("READ"); | |
377 | ||
378 | TTree* iTreeS = inputLoader->TreeS(); | |
379 | if (!iTreeS) | |
92aeef15 | 380 | { |
381 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
382 | } | |
40e382ae | 383 | |
384 | AliMUONVDigitStore* inputStore = AliMUONVDigitStore::Create(*iTreeS); | |
385 | inputStore->Connect(*iTreeS); | |
386 | ||
387 | iTreeS->GetEvent(0); | |
388 | ||
389 | MergeWithSDigits(fDigitStore,*inputStore,fManager->GetMask(iFile)); | |
05314992 | 390 | |
40e382ae | 391 | inputLoader->UnloadSDigits(); |
05314992 | 392 | |
40e382ae | 393 | delete inputStore; |
92aeef15 | 394 | } |
395 | ||
396 | // At this point, we do have digit arrays (one per chamber) which contains | |
397 | // the merging of all the sdigits of the input file(s). | |
398 | // We now massage them to apply the detector response, i.e. this | |
399 | // is here that we do the "digitization" work. | |
400 | ||
40e382ae | 401 | if (!fOutputDigitStore) |
402 | { | |
403 | fOutputDigitStore = fDigitStore->Create(); | |
404 | } | |
405 | ||
8c0b5e70 | 406 | if ( fGenerateNoisyDigits>=2 ) |
407 | { | |
408 | // Generate noise-only digits for trigger. | |
409 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
410 | } | |
411 | ||
40e382ae | 412 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
4ce497c4 | 413 | |
414 | if ( fGenerateNoisyDigits ) | |
415 | { | |
416 | // Generate noise-only digits for tracker. | |
40e382ae | 417 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 418 | } |
419 | ||
92aeef15 | 420 | // We generate the global and local trigger decisions. |
40e382ae | 421 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
422 | ||
423 | // Prepare output tree | |
424 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
425 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
426 | if (!okD || !okT) | |
427 | { | |
428 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
429 | return; | |
430 | } | |
92aeef15 | 431 | |
432 | // Fill the output treeD | |
40e382ae | 433 | oTreeD->Fill(); |
92aeef15 | 434 | |
435 | // Write to the output tree(D). | |
436 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
437 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
438 | // the 3 branches. | |
40e382ae | 439 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 440 | |
40e382ae | 441 | outputLoader->UnloadDigits(); |
4ce497c4 | 442 | |
40e382ae | 443 | // Finally, we clean up after ourselves. |
444 | fTriggerStore->Clear(); | |
445 | fDigitStore->Clear(); | |
446 | fOutputDigitStore->Clear(); | |
92aeef15 | 447 | } |
448 | ||
4ce497c4 | 449 | |
4ce497c4 | 450 | //_____________________________________________________________________________ |
451 | void | |
40e382ae | 452 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 453 | { |
9265505b | 454 | /// According to a given probability, generate digits that |
455 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
456 | /// that are "only noise". | |
4ce497c4 | 457 | |
b74ca120 | 458 | AliCodeTimerAuto("") |
459 | ||
4ce497c4 | 460 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) |
461 | { | |
462 | AliMpDEIterator it; | |
463 | ||
464 | it.First(i); | |
465 | ||
466 | while ( !it.IsDone() ) | |
467 | { | |
468 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
469 | { | |
40e382ae | 470 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 471 | } |
472 | it.Next(); | |
473 | } | |
474 | } | |
4ce497c4 | 475 | } |
476 | ||
477 | //_____________________________________________________________________________ | |
478 | void | |
40e382ae | 479 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
480 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 481 | { |
9265505b | 482 | /// Generate noise-only digits for one cathode of one detection element. |
483 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 484 | |
9265505b | 485 | const AliMpVSegmentation* seg |
866c3232 | 486 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 487 | Int_t nofPads = seg->NofPads(); |
488 | ||
489 | Int_t maxIx = seg->MaxPadIndexX(); | |
490 | Int_t maxIy = seg->MaxPadIndexY(); | |
491 | ||
cdea095e | 492 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgkNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 493 | |
84aac932 | 494 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 495 | if ( !nofNoisyPads ) return; |
496 | ||
497 | nofNoisyPads = | |
498 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
499 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
500 | ||
501 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
502 | ||
40e382ae | 503 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 504 | { |
505 | Int_t ix(-1); | |
506 | Int_t iy(-1); | |
40e382ae | 507 | AliMpPad pad; |
508 | ||
4ce497c4 | 509 | do { |
510 | ix = gRandom->Integer(maxIx+1); | |
511 | iy = gRandom->Integer(maxIy+1); | |
40e382ae | 512 | pad = seg->PadByIndices(AliMpIntPair(ix,iy),kFALSE); |
513 | } while ( !pad.IsValid() ); | |
514 | ||
4ce497c4 | 515 | Int_t manuId = pad.GetLocation().GetFirst(); |
40e382ae | 516 | Int_t manuChannel = pad.GetLocation().GetSecond(); |
517 | ||
4ce497c4 | 518 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
519 | ||
ad26d4f6 | 520 | if (!pedestals) |
521 | { | |
522 | // no pedestal available for this channel, simply give up | |
40e382ae | 523 | continue; |
ad26d4f6 | 524 | } |
525 | ||
40e382ae | 526 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
527 | ||
528 | d->SetPadXY(ix,iy); | |
529 | ||
ec9acc85 | 530 | d->SetCharge(0.0); // charge is zero, the ApplyResponseToTrackerDigit will add the noise |
40e382ae | 531 | d->NoiseOnly(kTRUE); |
ec9acc85 | 532 | ApplyResponseToTrackerDigit(*d,kTRUE); |
cf27231a | 533 | if ( d->ADC() > 0 ) |
4ce497c4 | 534 | { |
40e382ae | 535 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
536 | // this can happen (that we randomly chose a digit that is | |
537 | // already there). We simply ignore this, but log the occurence | |
538 | // to cross-check that it's not too frequent. | |
539 | if (!ok) | |
540 | { | |
541 | fLogger->Log("Collision while adding noiseOnly digit"); | |
542 | } | |
543 | else | |
544 | { | |
545 | fLogger->Log("Added noiseOnly digit"); | |
546 | } | |
4ce497c4 | 547 | } |
548 | else | |
549 | { | |
550 | AliError("Pure noise below threshold. This should not happen. Not adding " | |
551 | "this digit."); | |
552 | } | |
40e382ae | 553 | delete d; |
4ce497c4 | 554 | } |
555 | } | |
556 | ||
8c0b5e70 | 557 | |
558 | //_____________________________________________________________________________ | |
559 | void | |
560 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
561 | { | |
562 | /// Generate noise-only digits for one cathode of one detection element. | |
563 | /// Called by GenerateNoisyDigits() | |
564 | ||
565 | if ( !fNoiseFunctionTrig ) | |
566 | { | |
567 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
568 | 50.,270.); | |
569 | ||
570 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
571 | } | |
572 | ||
573 | AliMpPad pad[2]; | |
574 | AliMUONVDigit *d[2]={0x0}; | |
575 | ||
576 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
577 | { | |
578 | ||
579 | Int_t nofNoisyPads = 50; | |
580 | ||
581 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
582 | AliMpDEIterator it; | |
583 | ||
584 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
585 | ||
586 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
587 | { | |
588 | //printf("Generating noise %i\n",i); | |
589 | Int_t ix(-1); | |
590 | Int_t iy(-1); | |
591 | Bool_t isOk = kFALSE; | |
592 | Int_t detElemId = -1; | |
593 | do { | |
594 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
595 | r = fNoiseFunctionTrig->GetRandom(); | |
596 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
597 | //printf("r = %f\tfi = %f\n", r, fi); | |
598 | gx = r * TMath::Cos(fi); | |
599 | gy = r * TMath::Sin(fi); | |
600 | ||
601 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
602 | Int_t currDetElemId = it.CurrentDEId(); | |
603 | const AliMpVSegmentation* seg | |
604 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
605 | if (!seg) continue; | |
606 | Float_t deltax = seg->Dimensions().X(); | |
607 | Float_t deltay = seg->Dimensions().Y(); | |
608 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); | |
609 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
610 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
611 | if(xg01>xg02){ | |
612 | xg1 = xg02; | |
613 | xg2 = xg01; | |
614 | } | |
615 | if(yg01>yg02){ | |
616 | yg1 = yg02; | |
617 | yg2 = yg01; | |
618 | } | |
619 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
620 | detElemId = currDetElemId; | |
621 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
622 | pad[0] = seg->PadByPosition(TVector2(x,y),kFALSE); | |
623 | if(!pad[0].IsValid()) continue; | |
624 | isOk = kTRUE; | |
625 | break; | |
626 | } | |
627 | } // loop on slats | |
628 | } while ( !isOk ); | |
629 | ||
630 | const AliMpVSegmentation* seg1 | |
631 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
632 | pad[1] = seg1->PadByPosition(TVector2(x,y),kFALSE); | |
633 | ||
634 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
635 | Int_t manuId = pad[cathode].GetLocation(0).GetFirst(); | |
636 | Int_t manuChannel = pad[cathode].GetLocation(0).GetSecond(); | |
637 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); | |
638 | ix = pad[cathode].GetIndices().GetFirst(); | |
639 | iy = pad[cathode].GetIndices().GetSecond(); | |
640 | d[cathode]->SetPadXY(ix,iy); | |
641 | //d[cathode].SetSignal(1); | |
642 | //d[cathode].SetPhysicsSignal(0); | |
643 | d[cathode]->SetCharge(1); | |
644 | d[cathode]->NoiseOnly(kTRUE); | |
645 | AliDebug(3,Form("Adding a pure noise digit :")); | |
646 | ||
647 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
648 | if (!ok) | |
649 | { | |
650 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
651 | } | |
652 | else | |
653 | { | |
654 | fLogger->Log("Added triggerNoise digit"); | |
655 | } | |
656 | } //loop on cathodes | |
657 | } // loop on noisy pads | |
658 | } // loop on chambers | |
659 | } | |
660 | ||
661 | ||
92aeef15 | 662 | //_____________________________________________________________________________ |
40e382ae | 663 | AliLoader* |
664 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 665 | { |
40e382ae | 666 | /// Get a MUON loader |
9265505b | 667 | |
ad26d4f6 | 668 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 669 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 670 | if (!loader) |
671 | { | |
672 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
673 | return 0x0; | |
674 | } | |
40e382ae | 675 | return loader; |
92aeef15 | 676 | } |
677 | ||
678 | //_____________________________________________________________________________ | |
679 | Bool_t | |
680 | AliMUONDigitizerV3::Init() | |
681 | { | |
9265505b | 682 | /// Initialization of the TTask : |
40e382ae | 683 | /// a) create the calibrationData, according to run number |
684 | /// b) create the trigger processing task | |
9265505b | 685 | |
ad26d4f6 | 686 | AliDebug(2,""); |
92aeef15 | 687 | |
688 | if ( fIsInitialized ) | |
689 | { | |
690 | AliError("Object already initialized."); | |
691 | return kFALSE; | |
692 | } | |
693 | ||
694 | if (!fManager) | |
695 | { | |
696 | AliError("fManager is null !"); | |
697 | return kFALSE; | |
698 | } | |
699 | ||
ad26d4f6 | 700 | Int_t runnumber = AliCDBManager::Instance()->GetRun(); |
92aeef15 | 701 | |
331a617a | 702 | // Load mapping |
703 | if ( ! AliMpCDB::LoadDDLStore() ) { | |
88544f7e | 704 | AliFatal("Could not access mapping from OCDB !"); |
705 | } | |
706 | ||
92aeef15 | 707 | fCalibrationData = new AliMUONCalibrationData(runnumber); |
ad26d4f6 | 708 | if ( !fCalibrationData->Pedestals() ) |
709 | { | |
710 | AliFatal("Could not access pedestals from OCDB !"); | |
711 | } | |
712 | if ( !fCalibrationData->Gains() ) | |
713 | { | |
714 | AliFatal("Could not access gains from OCDB !"); | |
715 | } | |
40e382ae | 716 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 717 | |
ad26d4f6 | 718 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
719 | (fGenerateNoisyDigits ? "":"NOT"))); | |
720 | ||
92aeef15 | 721 | fIsInitialized = kTRUE; |
722 | return kTRUE; | |
723 | } | |
724 | ||
92aeef15 | 725 | //_____________________________________________________________________________ |
726 | void | |
40e382ae | 727 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
728 | const AliMUONVDigitStore& input, | |
729 | Int_t mask) | |
92aeef15 | 730 | { |
9265505b | 731 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 732 | |
40e382ae | 733 | if ( !outputStore ) outputStore = input.Create(); |
734 | ||
735 | TIter next(input.CreateIterator()); | |
736 | AliMUONVDigit* sdigit; | |
737 | ||
738 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
739 | { | |
740 | // Update the track references using the mask. | |
741 | // FIXME: this is dirty, for backward compatibility only. | |
742 | // Should re-design all this way of keeping track of MC information... | |
743 | if ( mask ) sdigit->PatchTracks(mask); | |
744 | // Then add or update the digit to the output. | |
745 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
746 | if (!added) | |
92aeef15 | 747 | { |
40e382ae | 748 | AliError("Could not add digit in merge mode"); |
92aeef15 | 749 | } |
92aeef15 | 750 | } |
751 | } | |
ec9acc85 | 752 | |
753 | //_____________________________________________________________________________ | |
754 | TF1* | |
755 | AliMUONDigitizerV3::NoiseFunction() | |
756 | { | |
757 | /// Return noise function | |
758 | static TF1* f = 0x0; | |
759 | if (!f) | |
760 | { | |
761 | f = new TF1("AliMUONDigitizerV3::NoiseFunction","gaus",fgkNSigmas,fgkNSigmas*10); | |
762 | f->SetParameters(1,0,1); | |
763 | } | |
764 | return f; | |
765 | } | |
766 |