]>
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 "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), | |
4ce497c4 | 102 | fNoiseFunction(0x0), |
8c0b5e70 | 103 | fNoiseFunctionTrig(0x0), |
ad26d4f6 | 104 | fGenerateNoisyDigits(generateNoisyDigits), |
40e382ae | 105 | fLogger(new AliMUONLogger(1000)), |
106 | fTriggerStore(new AliMUONTriggerStoreV1), | |
107 | fDigitStore(0x0), | |
108 | fOutputDigitStore(0x0) | |
92aeef15 | 109 | { |
9265505b | 110 | /// Ctor. |
111 | ||
92aeef15 | 112 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); |
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; | |
4ce497c4 | 124 | delete fNoiseFunction; |
8c0b5e70 | 125 | delete fNoiseFunctionTrig; |
40e382ae | 126 | delete fTriggerStore; |
127 | delete fDigitStore; | |
128 | delete fOutputDigitStore; | |
b74ca120 | 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 | |
cf27231a | 147 | Float_t charge = digit.Charge(); |
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 | |
4ce497c4 | 166 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 167 | if (!gain) |
ad26d4f6 | 168 | { |
169 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
170 | __FILE__,__LINE__, | |
171 | detElemId,manuId)); | |
ad26d4f6 | 172 | digit.SetADC(0); |
173 | return; | |
174 | } | |
cf27231a | 175 | |
b74ca120 | 176 | Int_t manuChannel = digit.ManuChannel(); |
ad26d4f6 | 177 | |
cf27231a | 178 | |
59b91539 | 179 | |
b74ca120 | 180 | Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise); |
59b91539 | 181 | |
92aeef15 | 182 | digit.SetADC(adc); |
183 | } | |
184 | ||
185 | //_____________________________________________________________________________ | |
186 | void | |
40e382ae | 187 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
188 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 189 | { |
9265505b | 190 | /// Loop over all chamber digits, and apply the response to them |
191 | /// Note that this method may remove digits. | |
192 | ||
40e382ae | 193 | filteredStore.Clear(); |
194 | ||
4ce497c4 | 195 | const Bool_t kAddNoise = kTRUE; |
196 | ||
40e382ae | 197 | TIter next(store.CreateIterator()); |
198 | AliMUONVDigit* digit; | |
199 | ||
200 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) | |
4ce497c4 | 201 | { |
40e382ae | 202 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
203 | ||
204 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 205 | { |
40e382ae | 206 | ApplyResponseToTrackerDigit(*digit,kAddNoise); |
92aeef15 | 207 | } |
7d7d22a6 | 208 | |
cf27231a | 209 | if ( digit->ADC() > 0 || digit->Charge() > 0 ) |
40e382ae | 210 | { |
211 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 212 | } |
92aeef15 | 213 | } |
40e382ae | 214 | } |
92aeef15 | 215 | |
b74ca120 | 216 | //_____________________________________________________________________________ |
217 | Int_t | |
218 | AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals, | |
219 | const AliMUONVCalibParam& gains, | |
220 | Int_t channel, | |
221 | Float_t charge, | |
222 | Bool_t addNoise) | |
223 | { | |
224 | /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its | |
225 | /// pedestal and gain parameters. | |
226 | /// Must insure before calling that channel is valid (i.e. between 0 and | |
227 | /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel | |
228 | /// otherwise results are not predictible...) | |
229 | ||
230 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. | |
231 | ||
232 | Float_t pedestalMean = pedestals.ValueAsFloat(channel,0); | |
233 | Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1); | |
234 | ||
235 | Float_t a0 = gains.ValueAsFloat(channel,0); | |
236 | Float_t a1 = gains.ValueAsFloat(channel,1); | |
237 | Int_t thres = gains.ValueAsInt(channel,2); | |
238 | Int_t qual = gains.ValueAsInt(channel,3); | |
239 | if ( qual <= 0 ) return 0; | |
240 | ||
241 | Float_t chargeThres = a0*thres; | |
242 | ||
243 | Float_t padc(0); // (adc - ped) value | |
244 | ||
245 | if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 ) | |
246 | { | |
247 | // linear part only | |
248 | ||
249 | if ( TMath::Abs(a0) > 1E-12 ) | |
250 | { | |
251 | padc = charge/a0; | |
252 | } | |
253 | } | |
254 | else | |
255 | { | |
256 | // linear + parabolic part | |
257 | Double_t qt = chargeThres - charge; | |
258 | Double_t delta = a0*a0-4*a1*qt; | |
259 | if ( delta < 0 ) | |
260 | { | |
261 | AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d " | |
262 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e", | |
263 | delta,pedestals.ID0(),pedestals.ID1(), | |
264 | channel, charge, a0, a1, thres, pedestalMean, | |
265 | pedestalSigma)); | |
266 | } | |
267 | else | |
268 | { | |
269 | delta = TMath::Sqrt(delta); | |
270 | ||
271 | padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) ); | |
272 | ||
273 | padc /= 2*a1; | |
274 | ||
275 | if ( padc < 0 ) | |
276 | { | |
277 | if ( TMath::Abs(padc) > 1E-3) | |
278 | { | |
279 | // this is more than a precision problem : let's signal it ! | |
280 | AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d " | |
281 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e", | |
282 | padc,pedestals.ID0(),pedestals.ID1(), | |
283 | channel, charge, a0, a1, thres, pedestalMean, | |
284 | pedestalSigma,delta)); | |
285 | } | |
286 | ||
287 | // ok. consider we're just at thres, let it be zero. | |
288 | padc = 0; | |
289 | } | |
290 | ||
291 | padc += thres; | |
292 | ||
293 | } | |
294 | } | |
295 | ||
296 | Int_t adc(0); | |
297 | ||
298 | if ( padc > 0 ) | |
299 | { | |
300 | Float_t adcNoise = 0.0; | |
301 | ||
302 | if ( addNoise ) adcNoise = gRandom->Gaus(0.0,pedestalSigma); | |
303 | ||
304 | adc = TMath::Nint(padc + pedestalMean + adcNoise); | |
305 | } | |
306 | ||
307 | // be sure we stick to 12 bits. | |
308 | if ( adc > kMaxADC ) | |
309 | { | |
310 | adc = kMaxADC; | |
311 | } | |
312 | ||
313 | return adc; | |
314 | } | |
315 | ||
92aeef15 | 316 | //_____________________________________________________________________________ |
317 | void | |
318 | AliMUONDigitizerV3::Exec(Option_t*) | |
319 | { | |
9265505b | 320 | /// Main method. |
321 | /// We first loop over input files, and merge the sdigits we found there. | |
322 | /// Second, we digitize all the resulting sdigits | |
323 | /// Then we generate noise-only digits (for tracker only) | |
324 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 325 | |
b74ca120 | 326 | AliCodeTimerAuto("") |
327 | ||
92aeef15 | 328 | AliDebug(1, "Running digitizer."); |
329 | ||
330 | if ( fManager->GetNinputs() == 0 ) | |
331 | { | |
332 | AliWarning("No input set. Nothing to do."); | |
333 | return; | |
334 | } | |
335 | ||
336 | if ( !fIsInitialized ) | |
337 | { | |
338 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
339 | return; | |
340 | } | |
341 | ||
342 | Int_t nInputFiles = fManager->GetNinputs(); | |
343 | ||
40e382ae | 344 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
345 | ||
346 | outputLoader->MakeDigitsContainer(); | |
347 | ||
348 | TTree* oTreeD = outputLoader->TreeD(); | |
349 | ||
350 | if (!oTreeD) | |
92aeef15 | 351 | { |
40e382ae | 352 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 353 | } |
40e382ae | 354 | |
92aeef15 | 355 | // Loop over all the input files, and merge the sdigits found in those |
356 | // files. | |
40e382ae | 357 | |
92aeef15 | 358 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
359 | { | |
40e382ae | 360 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
361 | ||
362 | inputLoader->LoadSDigits("READ"); | |
363 | ||
364 | TTree* iTreeS = inputLoader->TreeS(); | |
365 | if (!iTreeS) | |
92aeef15 | 366 | { |
367 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
368 | } | |
40e382ae | 369 | |
370 | AliMUONVDigitStore* inputStore = AliMUONVDigitStore::Create(*iTreeS); | |
371 | inputStore->Connect(*iTreeS); | |
372 | ||
373 | iTreeS->GetEvent(0); | |
374 | ||
375 | MergeWithSDigits(fDigitStore,*inputStore,fManager->GetMask(iFile)); | |
05314992 | 376 | |
40e382ae | 377 | inputLoader->UnloadSDigits(); |
05314992 | 378 | |
40e382ae | 379 | delete inputStore; |
92aeef15 | 380 | } |
381 | ||
382 | // At this point, we do have digit arrays (one per chamber) which contains | |
383 | // the merging of all the sdigits of the input file(s). | |
384 | // We now massage them to apply the detector response, i.e. this | |
385 | // is here that we do the "digitization" work. | |
386 | ||
40e382ae | 387 | if (!fOutputDigitStore) |
388 | { | |
389 | fOutputDigitStore = fDigitStore->Create(); | |
390 | } | |
391 | ||
8c0b5e70 | 392 | if ( fGenerateNoisyDigits>=2 ) |
393 | { | |
394 | // Generate noise-only digits for trigger. | |
395 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
396 | } | |
397 | ||
40e382ae | 398 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
4ce497c4 | 399 | |
400 | if ( fGenerateNoisyDigits ) | |
401 | { | |
402 | // Generate noise-only digits for tracker. | |
40e382ae | 403 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 404 | } |
405 | ||
92aeef15 | 406 | // We generate the global and local trigger decisions. |
40e382ae | 407 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
408 | ||
409 | // Prepare output tree | |
410 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
411 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
412 | if (!okD || !okT) | |
413 | { | |
414 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
415 | return; | |
416 | } | |
92aeef15 | 417 | |
418 | // Fill the output treeD | |
40e382ae | 419 | oTreeD->Fill(); |
92aeef15 | 420 | |
421 | // Write to the output tree(D). | |
422 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
423 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
424 | // the 3 branches. | |
40e382ae | 425 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 426 | |
40e382ae | 427 | outputLoader->UnloadDigits(); |
4ce497c4 | 428 | |
40e382ae | 429 | // Finally, we clean up after ourselves. |
430 | fTriggerStore->Clear(); | |
431 | fDigitStore->Clear(); | |
432 | fOutputDigitStore->Clear(); | |
92aeef15 | 433 | } |
434 | ||
4ce497c4 | 435 | |
4ce497c4 | 436 | //_____________________________________________________________________________ |
437 | void | |
40e382ae | 438 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 439 | { |
9265505b | 440 | /// According to a given probability, generate digits that |
441 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
442 | /// that are "only noise". | |
4ce497c4 | 443 | |
b74ca120 | 444 | AliCodeTimerAuto("") |
445 | ||
4ce497c4 | 446 | if ( !fNoiseFunction ) |
447 | { | |
448 | fNoiseFunction = new TF1("AliMUONDigitizerV3::fNoiseFunction","gaus", | |
449 | fgkNSigmas,fgkNSigmas*10); | |
450 | ||
451 | fNoiseFunction->SetParameters(1,0,1); | |
452 | } | |
453 | ||
4ce497c4 | 454 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) |
455 | { | |
456 | AliMpDEIterator it; | |
457 | ||
458 | it.First(i); | |
459 | ||
460 | while ( !it.IsDone() ) | |
461 | { | |
462 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
463 | { | |
40e382ae | 464 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 465 | } |
466 | it.Next(); | |
467 | } | |
468 | } | |
4ce497c4 | 469 | } |
470 | ||
471 | //_____________________________________________________________________________ | |
472 | void | |
40e382ae | 473 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
474 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 475 | { |
9265505b | 476 | /// Generate noise-only digits for one cathode of one detection element. |
477 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 478 | |
9265505b | 479 | const AliMpVSegmentation* seg |
866c3232 | 480 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 481 | Int_t nofPads = seg->NofPads(); |
482 | ||
483 | Int_t maxIx = seg->MaxPadIndexX(); | |
484 | Int_t maxIy = seg->MaxPadIndexY(); | |
485 | ||
cdea095e | 486 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgkNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 487 | |
84aac932 | 488 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 489 | if ( !nofNoisyPads ) return; |
490 | ||
491 | nofNoisyPads = | |
492 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
493 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
494 | ||
495 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
496 | ||
40e382ae | 497 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 498 | { |
499 | Int_t ix(-1); | |
500 | Int_t iy(-1); | |
40e382ae | 501 | AliMpPad pad; |
502 | ||
4ce497c4 | 503 | do { |
504 | ix = gRandom->Integer(maxIx+1); | |
505 | iy = gRandom->Integer(maxIy+1); | |
40e382ae | 506 | pad = seg->PadByIndices(AliMpIntPair(ix,iy),kFALSE); |
507 | } while ( !pad.IsValid() ); | |
508 | ||
4ce497c4 | 509 | Int_t manuId = pad.GetLocation().GetFirst(); |
40e382ae | 510 | Int_t manuChannel = pad.GetLocation().GetSecond(); |
511 | ||
4ce497c4 | 512 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
513 | ||
ad26d4f6 | 514 | if (!pedestals) |
515 | { | |
516 | // no pedestal available for this channel, simply give up | |
40e382ae | 517 | continue; |
ad26d4f6 | 518 | } |
519 | ||
40e382ae | 520 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
521 | ||
522 | d->SetPadXY(ix,iy); | |
523 | ||
4ce497c4 | 524 | Float_t pedestalMean = pedestals->ValueAsFloat(manuChannel,0); |
525 | Float_t pedestalSigma = pedestals->ValueAsFloat(manuChannel,1); | |
526 | ||
527 | Double_t ped = fNoiseFunction->GetRandom()*pedestalSigma; | |
59b91539 | 528 | |
40e382ae | 529 | d->SetCharge(TMath::Nint(ped+pedestalMean+0.5)); |
530 | d->NoiseOnly(kTRUE); | |
531 | ApplyResponseToTrackerDigit(*d,kFALSE); | |
cf27231a | 532 | if ( d->ADC() > 0 ) |
4ce497c4 | 533 | { |
40e382ae | 534 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
535 | // this can happen (that we randomly chose a digit that is | |
536 | // already there). We simply ignore this, but log the occurence | |
537 | // to cross-check that it's not too frequent. | |
538 | if (!ok) | |
539 | { | |
540 | fLogger->Log("Collision while adding noiseOnly digit"); | |
541 | } | |
542 | else | |
543 | { | |
544 | fLogger->Log("Added noiseOnly digit"); | |
545 | } | |
4ce497c4 | 546 | } |
547 | else | |
548 | { | |
549 | AliError("Pure noise below threshold. This should not happen. Not adding " | |
550 | "this digit."); | |
551 | } | |
40e382ae | 552 | delete d; |
4ce497c4 | 553 | } |
554 | } | |
555 | ||
8c0b5e70 | 556 | |
557 | //_____________________________________________________________________________ | |
558 | void | |
559 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
560 | { | |
561 | /// Generate noise-only digits for one cathode of one detection element. | |
562 | /// Called by GenerateNoisyDigits() | |
563 | ||
564 | if ( !fNoiseFunctionTrig ) | |
565 | { | |
566 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
567 | 50.,270.); | |
568 | ||
569 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
570 | } | |
571 | ||
572 | AliMpPad pad[2]; | |
573 | AliMUONVDigit *d[2]={0x0}; | |
574 | ||
575 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
576 | { | |
577 | ||
578 | Int_t nofNoisyPads = 50; | |
579 | ||
580 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
581 | AliMpDEIterator it; | |
582 | ||
583 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
584 | ||
585 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
586 | { | |
587 | //printf("Generating noise %i\n",i); | |
588 | Int_t ix(-1); | |
589 | Int_t iy(-1); | |
590 | Bool_t isOk = kFALSE; | |
591 | Int_t detElemId = -1; | |
592 | do { | |
593 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
594 | r = fNoiseFunctionTrig->GetRandom(); | |
595 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
596 | //printf("r = %f\tfi = %f\n", r, fi); | |
597 | gx = r * TMath::Cos(fi); | |
598 | gy = r * TMath::Sin(fi); | |
599 | ||
600 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
601 | Int_t currDetElemId = it.CurrentDEId(); | |
602 | const AliMpVSegmentation* seg | |
603 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
604 | if (!seg) continue; | |
605 | Float_t deltax = seg->Dimensions().X(); | |
606 | Float_t deltay = seg->Dimensions().Y(); | |
607 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); | |
608 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
609 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
610 | if(xg01>xg02){ | |
611 | xg1 = xg02; | |
612 | xg2 = xg01; | |
613 | } | |
614 | if(yg01>yg02){ | |
615 | yg1 = yg02; | |
616 | yg2 = yg01; | |
617 | } | |
618 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
619 | detElemId = currDetElemId; | |
620 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
621 | pad[0] = seg->PadByPosition(TVector2(x,y),kFALSE); | |
622 | if(!pad[0].IsValid()) continue; | |
623 | isOk = kTRUE; | |
624 | break; | |
625 | } | |
626 | } // loop on slats | |
627 | } while ( !isOk ); | |
628 | ||
629 | const AliMpVSegmentation* seg1 | |
630 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
631 | pad[1] = seg1->PadByPosition(TVector2(x,y),kFALSE); | |
632 | ||
633 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
634 | Int_t manuId = pad[cathode].GetLocation(0).GetFirst(); | |
635 | Int_t manuChannel = pad[cathode].GetLocation(0).GetSecond(); | |
636 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); | |
637 | ix = pad[cathode].GetIndices().GetFirst(); | |
638 | iy = pad[cathode].GetIndices().GetSecond(); | |
639 | d[cathode]->SetPadXY(ix,iy); | |
640 | //d[cathode].SetSignal(1); | |
641 | //d[cathode].SetPhysicsSignal(0); | |
642 | d[cathode]->SetCharge(1); | |
643 | d[cathode]->NoiseOnly(kTRUE); | |
644 | AliDebug(3,Form("Adding a pure noise digit :")); | |
645 | ||
646 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
647 | if (!ok) | |
648 | { | |
649 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
650 | } | |
651 | else | |
652 | { | |
653 | fLogger->Log("Added triggerNoise digit"); | |
654 | } | |
655 | } //loop on cathodes | |
656 | } // loop on noisy pads | |
657 | } // loop on chambers | |
658 | } | |
659 | ||
660 | ||
92aeef15 | 661 | //_____________________________________________________________________________ |
40e382ae | 662 | AliLoader* |
663 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 664 | { |
40e382ae | 665 | /// Get a MUON loader |
9265505b | 666 | |
ad26d4f6 | 667 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 668 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 669 | if (!loader) |
670 | { | |
671 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
672 | return 0x0; | |
673 | } | |
40e382ae | 674 | return loader; |
92aeef15 | 675 | } |
676 | ||
677 | //_____________________________________________________________________________ | |
678 | Bool_t | |
679 | AliMUONDigitizerV3::Init() | |
680 | { | |
9265505b | 681 | /// Initialization of the TTask : |
40e382ae | 682 | /// a) create the calibrationData, according to run number |
683 | /// b) create the trigger processing task | |
9265505b | 684 | |
ad26d4f6 | 685 | AliDebug(2,""); |
92aeef15 | 686 | |
687 | if ( fIsInitialized ) | |
688 | { | |
689 | AliError("Object already initialized."); | |
690 | return kFALSE; | |
691 | } | |
692 | ||
693 | if (!fManager) | |
694 | { | |
695 | AliError("fManager is null !"); | |
696 | return kFALSE; | |
697 | } | |
698 | ||
ad26d4f6 | 699 | Int_t runnumber = AliCDBManager::Instance()->GetRun(); |
92aeef15 | 700 | |
331a617a | 701 | // Load mapping |
702 | if ( ! AliMpCDB::LoadDDLStore() ) { | |
88544f7e | 703 | AliFatal("Could not access mapping from OCDB !"); |
704 | } | |
705 | ||
92aeef15 | 706 | fCalibrationData = new AliMUONCalibrationData(runnumber); |
ad26d4f6 | 707 | if ( !fCalibrationData->Pedestals() ) |
708 | { | |
709 | AliFatal("Could not access pedestals from OCDB !"); | |
710 | } | |
711 | if ( !fCalibrationData->Gains() ) | |
712 | { | |
713 | AliFatal("Could not access gains from OCDB !"); | |
714 | } | |
40e382ae | 715 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 716 | |
ad26d4f6 | 717 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
718 | (fGenerateNoisyDigits ? "":"NOT"))); | |
719 | ||
92aeef15 | 720 | fIsInitialized = kTRUE; |
721 | return kTRUE; | |
722 | } | |
723 | ||
92aeef15 | 724 | //_____________________________________________________________________________ |
725 | void | |
40e382ae | 726 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
727 | const AliMUONVDigitStore& input, | |
728 | Int_t mask) | |
92aeef15 | 729 | { |
9265505b | 730 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 731 | |
40e382ae | 732 | if ( !outputStore ) outputStore = input.Create(); |
733 | ||
734 | TIter next(input.CreateIterator()); | |
735 | AliMUONVDigit* sdigit; | |
736 | ||
737 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
738 | { | |
739 | // Update the track references using the mask. | |
740 | // FIXME: this is dirty, for backward compatibility only. | |
741 | // Should re-design all this way of keeping track of MC information... | |
742 | if ( mask ) sdigit->PatchTracks(mask); | |
743 | // Then add or update the digit to the output. | |
744 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
745 | if (!added) | |
92aeef15 | 746 | { |
40e382ae | 747 | AliError("Could not add digit in merge mode"); |
92aeef15 | 748 | } |
92aeef15 | 749 | } |
750 | } |