]>
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 |
d5315275 | 31 | #include "AliMUONTriggerChamberEfficiency.h" |
32 | #include "AliMUONTriggerUtilities.h" | |
331a617a | 33 | |
88544f7e | 34 | #include "AliMpCDB.h" |
331a617a | 35 | #include "AliMpSegmentation.h" |
40e382ae | 36 | #include "AliMpCathodType.h" |
37 | #include "AliMpConstants.h" | |
4ce497c4 | 38 | #include "AliMpDEIterator.h" |
92aeef15 | 39 | #include "AliMpDEManager.h" |
4ce497c4 | 40 | #include "AliMpPad.h" |
40e382ae | 41 | #include "AliMpStationType.h" |
4ce497c4 | 42 | #include "AliMpVSegmentation.h" |
d5315275 | 43 | #include "AliMpDDLStore.h" |
331a617a | 44 | |
45 | #include "AliCDBManager.h" | |
46 | #include "AliCodeTimer.h" | |
47 | #include "AliLog.h" | |
92aeef15 | 48 | #include "AliRun.h" |
49 | #include "AliRunDigitizer.h" | |
c93255fe | 50 | #include "AliLoader.h" |
92aeef15 | 51 | #include "AliRunLoader.h" |
331a617a | 52 | |
866c3232 | 53 | #include <Riostream.h> |
54 | #include <TF1.h> | |
40e382ae | 55 | #include <TFile.h> |
866c3232 | 56 | #include <TMath.h> |
57 | #include <TRandom.h> | |
58 | #include <TString.h> | |
40e382ae | 59 | #include <TSystem.h> |
c93255fe | 60 | #include <TTree.h> |
40e382ae | 61 | |
3d1463c8 | 62 | //----------------------------------------------------------------------------- |
9265505b | 63 | /// \class AliMUONDigitizerV3 |
4ce497c4 | 64 | /// The digitizer is performing the transformation to go from SDigits (digits |
65 | /// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration) | |
66 | /// | |
67 | /// The decalibration is performed by doing the reverse operation of the | |
68 | /// calibration, that is we do (Signal+pedestal)/gain -> ADC | |
69 | /// | |
70 | /// Note also that the digitizer takes care of merging sdigits that belongs | |
71 | /// to the same pad, either because we're merging several input sdigit files | |
72 | /// or with a single file because the sdigitizer does not merge sdigits itself | |
73 | /// (for performance reason mainly, and because anyway we know we have to do it | |
74 | /// here, at the digitization level). | |
75 | /// | |
c4ee792d | 76 | /// \author Laurent Aphecetche |
3d1463c8 | 77 | //----------------------------------------------------------------------------- |
4ce497c4 | 78 | |
79 | namespace | |
80 | { | |
81 | AliMUON* muon() | |
82 | { | |
83 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
84 | } | |
8c0b5e70 | 85 | |
86 | //ADDED for trigger noise | |
87 | const AliMUONGeometryTransformer* GetTransformer() | |
88 | { | |
89 | return muon()->GetGeometryTransformer(); | |
90 | } | |
4ce497c4 | 91 | } |
92 | ||
5c083cba | 93 | Double_t AliMUONDigitizerV3::fgNSigmas = 4.0; |
4ce497c4 | 94 | |
9265505b | 95 | /// \cond CLASSIMP |
92aeef15 | 96 | ClassImp(AliMUONDigitizerV3) |
9265505b | 97 | /// \endcond |
92aeef15 | 98 | |
99 | //_____________________________________________________________________________ | |
100 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
8c0b5e70 | 101 | Int_t generateNoisyDigits) |
92aeef15 | 102 | : AliDigitizer(manager), |
92aeef15 | 103 | fIsInitialized(kFALSE), |
92aeef15 | 104 | fCalibrationData(0x0), |
105 | fTriggerProcessor(0x0), | |
8c0b5e70 | 106 | fNoiseFunctionTrig(0x0), |
ec9acc85 | 107 | fGenerateNoisyDigits(generateNoisyDigits), |
108 | fLogger(new AliMUONLogger(1000)), | |
40e382ae | 109 | fTriggerStore(new AliMUONTriggerStoreV1), |
110 | fDigitStore(0x0), | |
9ec6a948 | 111 | fOutputDigitStore(0x0), |
d5315275 | 112 | fInputDigitStores(0x0), |
113 | fTriggerEfficiency(0x0), | |
114 | fTriggerUtilities(0x0), | |
115 | fEfficiencyResponse(2*AliMUONConstants::NTriggerCh()*AliMUONConstants::NTriggerCircuit()) | |
92aeef15 | 116 | { |
9265505b | 117 | /// Ctor. |
118 | ||
92aeef15 | 119 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); |
ec9acc85 | 120 | |
92aeef15 | 121 | } |
122 | ||
123 | //_____________________________________________________________________________ | |
124 | AliMUONDigitizerV3::~AliMUONDigitizerV3() | |
125 | { | |
9265505b | 126 | /// Dtor. Note we're the owner of some pointers. |
127 | ||
92aeef15 | 128 | AliDebug(1,"dtor"); |
4ce497c4 | 129 | |
92c23b09 | 130 | // delete fCalibrationData; |
92aeef15 | 131 | delete fTriggerProcessor; |
8c0b5e70 | 132 | delete fNoiseFunctionTrig; |
40e382ae | 133 | delete fTriggerStore; |
134 | delete fDigitStore; | |
135 | delete fOutputDigitStore; | |
ca8c8223 | 136 | delete fInputDigitStores; |
d5315275 | 137 | delete fTriggerUtilities; |
9ec6a948 | 138 | |
ad26d4f6 | 139 | AliInfo("Summary of messages"); |
140 | fLogger->Print(); | |
4ce497c4 | 141 | |
ad26d4f6 | 142 | delete fLogger; |
92aeef15 | 143 | } |
144 | ||
145 | //_____________________________________________________________________________ | |
146 | void | |
40e382ae | 147 | AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise) |
92aeef15 | 148 | { |
9265505b | 149 | /// For tracking digits, starting from an ideal digit's charge, we : |
150 | /// | |
cf27231a | 151 | /// - "divide" by a gain (thus decalibrating the digit) |
9265505b | 152 | /// - add a pedestal (thus decalibrating the digit) |
b74ca120 | 153 | /// - add some electronics noise (thus leading to a realistic adc), if requested to do so |
9265505b | 154 | /// - sets the signal to zero if below 3*sigma of the noise |
59b91539 | 155 | |
5d950f54 | 156 | Float_t charge = digit.IsChargeInFC() ? digit.Charge()*AliMUONConstants::FC2ADC() : digit.Charge(); |
cf27231a | 157 | |
158 | // We set the charge to 0, as the only relevant piece of information | |
159 | // after Digitization is the ADC value. | |
160 | digit.SetCharge(0); | |
b74ca120 | 161 | |
4ce497c4 | 162 | Int_t detElemId = digit.DetElemId(); |
92aeef15 | 163 | Int_t manuId = digit.ManuId(); |
92aeef15 | 164 | |
4ce497c4 | 165 | AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId); |
92aeef15 | 166 | if (!pedestal) |
ad26d4f6 | 167 | { |
168 | fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.", | |
169 | __FILE__,__LINE__, | |
170 | detElemId,manuId)); | |
ad26d4f6 | 171 | digit.SetADC(0); |
172 | return; | |
173 | } | |
59b91539 | 174 | |
627ba19f | 175 | Int_t manuChannel = digit.ManuChannel(); |
176 | ||
177 | if ( pedestal->ValueAsFloat(manuChannel,0) == AliMUONVCalibParam::InvalidFloatValue() || | |
178 | pedestal->ValueAsFloat(manuChannel,1) == AliMUONVCalibParam::InvalidFloatValue() ) | |
179 | { | |
180 | // protection against invalid pedestal value | |
181 | digit.SetADC(0); | |
182 | return; | |
183 | } | |
184 | ||
4ce497c4 | 185 | AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId); |
92aeef15 | 186 | if (!gain) |
ad26d4f6 | 187 | { |
188 | fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.", | |
189 | __FILE__,__LINE__, | |
190 | detElemId,manuId)); | |
ad26d4f6 | 191 | digit.SetADC(0); |
192 | return; | |
193 | } | |
cf27231a | 194 | |
ec9acc85 | 195 | Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise, |
196 | digit.IsNoiseOnly()); | |
59b91539 | 197 | |
92aeef15 | 198 | digit.SetADC(adc); |
199 | } | |
200 | ||
d5315275 | 201 | |
202 | //_____________________________________________________________________________ | |
203 | void | |
204 | AliMUONDigitizerV3::ApplyResponseToTriggerDigit(AliMUONVDigit& digit) | |
205 | { | |
206 | /// For trigger digits, starting from an ideal digit, we : | |
207 | /// | |
208 | /// - apply efficiency (on demand) | |
209 | /// - apply trigger masks | |
210 | ||
211 | Int_t detElemId = digit.DetElemId(); | |
212 | Int_t localCircuit = digit.ManuId(); | |
213 | Int_t strip = digit.ManuChannel(); | |
214 | Int_t cathode = digit.Cathode(); | |
215 | Int_t trigCh = detElemId/100 - 11; | |
216 | ||
217 | Int_t arrayIndex = GetArrayIndex(cathode, trigCh, localCircuit); | |
218 | ||
219 | // Trigger chamber efficiency | |
220 | if ( fTriggerEfficiency ) { | |
221 | if ( fEfficiencyResponse[arrayIndex] < 0 ) { | |
222 | Bool_t isTrig[2] = {kTRUE, kTRUE}; | |
223 | fTriggerEfficiency->IsTriggered(detElemId, localCircuit, isTrig[0], isTrig[1]); | |
224 | Int_t arrayIndexBend = GetArrayIndex(0, trigCh, localCircuit); | |
225 | Int_t arrayIndexNonBend = GetArrayIndex(1, trigCh, localCircuit); | |
226 | fEfficiencyResponse[arrayIndexBend] = isTrig[0]; | |
227 | fEfficiencyResponse[arrayIndexNonBend] = isTrig[1]; | |
228 | } | |
229 | AliDebug(1,Form("ch %i cath %i board %i strip %i efficiency %i\n", trigCh, cathode, localCircuit, strip, fEfficiencyResponse[arrayIndex])); | |
230 | if ( fEfficiencyResponse[arrayIndex] == 0 ) { | |
231 | digit.SetCharge(0); | |
232 | digit.SetADC(0); | |
233 | //AliDebug(1,Form("ch %i cath %i board %i strip %i NOT efficient\n", trigCh, cathode, localCircuit, strip)); | |
234 | return; | |
235 | } | |
236 | } | |
237 | ||
238 | // Masked channels | |
239 | Bool_t isMasked = fTriggerUtilities->IsMasked(digit); | |
240 | AliDebug(1,Form("ch %i cath %i board %i strip %i mask %i\n", trigCh, cathode, localCircuit, strip, !isMasked)); | |
241 | if ( isMasked ) { | |
242 | digit.SetCharge(0); | |
243 | digit.SetADC(0); | |
244 | //AliDebug(1,Form("ch %i cath %i board %i strip %i masked\n", trigCh, cathode, localCircuit, strip)); | |
245 | return; | |
246 | } | |
247 | } | |
248 | ||
249 | ||
250 | ||
92aeef15 | 251 | //_____________________________________________________________________________ |
252 | void | |
40e382ae | 253 | AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store, |
254 | AliMUONVDigitStore& filteredStore) | |
92aeef15 | 255 | { |
9265505b | 256 | /// Loop over all chamber digits, and apply the response to them |
257 | /// Note that this method may remove digits. | |
258 | ||
40e382ae | 259 | filteredStore.Clear(); |
260 | ||
4ce497c4 | 261 | const Bool_t kAddNoise = kTRUE; |
262 | ||
40e382ae | 263 | TIter next(store.CreateIterator()); |
264 | AliMUONVDigit* digit; | |
265 | ||
d5315275 | 266 | if ( fTriggerEfficiency ) fEfficiencyResponse.Reset(-1); |
267 | ||
40e382ae | 268 | while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) ) |
4ce497c4 | 269 | { |
40e382ae | 270 | AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId()); |
271 | ||
272 | if ( stationType != AliMp::kStationTrigger ) | |
92aeef15 | 273 | { |
ac6411cf | 274 | Bool_t addNoise = kAddNoise; |
275 | if (digit->IsConverted()) addNoise = kFALSE; // No need to add extra noise to a converted real digit | |
276 | ApplyResponseToTrackerDigit(*digit,addNoise); | |
92aeef15 | 277 | } |
d5315275 | 278 | else { |
279 | ApplyResponseToTriggerDigit(*digit); | |
280 | } | |
7d7d22a6 | 281 | |
cf27231a | 282 | if ( digit->ADC() > 0 || digit->Charge() > 0 ) |
40e382ae | 283 | { |
284 | filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore); | |
92aeef15 | 285 | } |
92aeef15 | 286 | } |
40e382ae | 287 | } |
92aeef15 | 288 | |
b74ca120 | 289 | //_____________________________________________________________________________ |
290 | Int_t | |
291 | AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals, | |
292 | const AliMUONVCalibParam& gains, | |
293 | Int_t channel, | |
294 | Float_t charge, | |
ec9acc85 | 295 | Bool_t addNoise, |
296 | Bool_t noiseOnly) | |
b74ca120 | 297 | { |
298 | /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its | |
299 | /// pedestal and gain parameters. | |
300 | /// Must insure before calling that channel is valid (i.e. between 0 and | |
301 | /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel | |
302 | /// otherwise results are not predictible...) | |
303 | ||
304 | static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC. | |
305 | ||
306 | Float_t pedestalMean = pedestals.ValueAsFloat(channel,0); | |
307 | Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1); | |
308 | ||
ec9acc85 | 309 | AliDebugClass(1,Form("DE %04d MANU %04d CH %02d PEDMEAN %7.2f PEDSIGMA %7.2f", |
5d950f54 | 310 | pedestals.ID0(),pedestals.ID1(),channel,pedestalMean,pedestalSigma)); |
ec9acc85 | 311 | |
b74ca120 | 312 | Float_t a0 = gains.ValueAsFloat(channel,0); |
313 | Float_t a1 = gains.ValueAsFloat(channel,1); | |
314 | Int_t thres = gains.ValueAsInt(channel,2); | |
315 | Int_t qual = gains.ValueAsInt(channel,3); | |
5d950f54 | 316 | |
b74ca120 | 317 | if ( qual <= 0 ) return 0; |
318 | ||
319 | Float_t chargeThres = a0*thres; | |
320 | ||
321 | Float_t padc(0); // (adc - ped) value | |
322 | ||
323 | if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 ) | |
324 | { | |
325 | // linear part only | |
326 | ||
327 | if ( TMath::Abs(a0) > 1E-12 ) | |
328 | { | |
329 | padc = charge/a0; | |
330 | } | |
331 | } | |
332 | else | |
333 | { | |
334 | // linear + parabolic part | |
335 | Double_t qt = chargeThres - charge; | |
336 | Double_t delta = a0*a0-4*a1*qt; | |
337 | if ( delta < 0 ) | |
338 | { | |
339 | AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d " | |
340 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e", | |
341 | delta,pedestals.ID0(),pedestals.ID1(), | |
342 | channel, charge, a0, a1, thres, pedestalMean, | |
343 | pedestalSigma)); | |
344 | } | |
345 | else | |
346 | { | |
347 | delta = TMath::Sqrt(delta); | |
348 | ||
349 | padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) ); | |
350 | ||
351 | padc /= 2*a1; | |
352 | ||
353 | if ( padc < 0 ) | |
354 | { | |
355 | if ( TMath::Abs(padc) > 1E-3) | |
356 | { | |
357 | // this is more than a precision problem : let's signal it ! | |
358 | AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d " | |
359 | " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e", | |
360 | padc,pedestals.ID0(),pedestals.ID1(), | |
361 | channel, charge, a0, a1, thres, pedestalMean, | |
362 | pedestalSigma,delta)); | |
363 | } | |
364 | ||
365 | // ok. consider we're just at thres, let it be zero. | |
366 | padc = 0; | |
367 | } | |
368 | ||
369 | padc += thres; | |
370 | ||
371 | } | |
372 | } | |
373 | ||
374 | Int_t adc(0); | |
375 | ||
ec9acc85 | 376 | Float_t adcNoise = 0.0; |
b74ca120 | 377 | |
ec9acc85 | 378 | if ( addNoise ) |
379 | { | |
380 | if ( noiseOnly ) | |
381 | { | |
382 | adcNoise = NoiseFunction()->GetRandom()*pedestalSigma; | |
383 | } | |
384 | else | |
385 | { | |
386 | adcNoise = gRandom->Gaus(0.0,pedestalSigma); | |
387 | } | |
388 | } | |
b74ca120 | 389 | |
ec9acc85 | 390 | adc = TMath::Nint(padc + pedestalMean + adcNoise + 0.5); |
391 | ||
5c083cba | 392 | if ( adc < TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5) ) |
ec9acc85 | 393 | { |
d537c8e4 | 394 | // this is an error only in specific cases |
395 | if ( !addNoise || (addNoise && noiseOnly) ) | |
396 | { | |
397 | AliErrorClass(Form(" DE %04d Manu %04d Channel %02d " | |
398 | " a0 %7.2f a1 %7.2f thres %04d ped %7.2f pedsig %7.2f adcNoise %7.2f " | |
399 | " charge=%7.2f padc=%7.2f adc=%04d ZS=%04d fgNSigmas=%e addNoise %d noiseOnly %d ", | |
400 | pedestals.ID0(),pedestals.ID1(),channel, | |
401 | a0, a1, thres, pedestalMean, pedestalSigma, adcNoise, | |
402 | charge, padc, adc, | |
403 | TMath::Nint(pedestalMean + fgNSigmas*pedestalSigma + 0.5), | |
404 | fgNSigmas,addNoise,noiseOnly)); | |
405 | } | |
406 | ||
ec9acc85 | 407 | adc = 0; |
b74ca120 | 408 | } |
409 | ||
410 | // be sure we stick to 12 bits. | |
411 | if ( adc > kMaxADC ) | |
412 | { | |
413 | adc = kMaxADC; | |
414 | } | |
415 | ||
416 | return adc; | |
417 | } | |
418 | ||
9ec6a948 | 419 | //_____________________________________________________________________________ |
420 | void | |
ca8c8223 | 421 | AliMUONDigitizerV3::CreateInputDigitStores() |
9ec6a948 | 422 | { |
ca8c8223 | 423 | /// Create input digit stores |
424 | /// | |
9ec6a948 | 425 | |
ca8c8223 | 426 | if (fInputDigitStores) |
427 | { | |
428 | AliFatal("Should be called only once !"); | |
429 | } | |
430 | ||
431 | fInputDigitStores = new TObjArray; | |
432 | ||
433 | fInputDigitStores->SetOwner(kTRUE); | |
9ec6a948 | 434 | |
435 | for ( Int_t iFile = 0; iFile < fManager->GetNinputs(); ++iFile ) | |
436 | { | |
437 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); | |
438 | ||
439 | inputLoader->LoadSDigits("READ"); | |
440 | ||
441 | TTree* iTreeS = inputLoader->TreeS(); | |
442 | if (!iTreeS) | |
443 | { | |
444 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
445 | } | |
446 | ||
ca8c8223 | 447 | fInputDigitStores->AddAt(AliMUONVDigitStore::Create(*iTreeS),iFile); |
9ec6a948 | 448 | } |
449 | } | |
450 | ||
92aeef15 | 451 | //_____________________________________________________________________________ |
452 | void | |
453 | AliMUONDigitizerV3::Exec(Option_t*) | |
454 | { | |
9265505b | 455 | /// Main method. |
456 | /// We first loop over input files, and merge the sdigits we found there. | |
457 | /// Second, we digitize all the resulting sdigits | |
458 | /// Then we generate noise-only digits (for tracker only) | |
459 | /// And we finally generate the trigger outputs. | |
4ce497c4 | 460 | |
99c136e1 | 461 | AliCodeTimerAuto("",0) |
b74ca120 | 462 | |
92aeef15 | 463 | if ( fManager->GetNinputs() == 0 ) |
464 | { | |
465 | AliWarning("No input set. Nothing to do."); | |
466 | return; | |
467 | } | |
468 | ||
469 | if ( !fIsInitialized ) | |
470 | { | |
471 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
472 | return; | |
473 | } | |
474 | ||
475 | Int_t nInputFiles = fManager->GetNinputs(); | |
476 | ||
40e382ae | 477 | AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName()); |
478 | ||
479 | outputLoader->MakeDigitsContainer(); | |
480 | ||
481 | TTree* oTreeD = outputLoader->TreeD(); | |
482 | ||
483 | if (!oTreeD) | |
92aeef15 | 484 | { |
40e382ae | 485 | AliFatal("Cannot create output TreeD"); |
92aeef15 | 486 | } |
40e382ae | 487 | |
92aeef15 | 488 | // Loop over all the input files, and merge the sdigits found in those |
489 | // files. | |
40e382ae | 490 | |
92aeef15 | 491 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) |
5d950f54 | 492 | { |
40e382ae | 493 | AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile)); |
494 | ||
495 | inputLoader->LoadSDigits("READ"); | |
496 | ||
497 | TTree* iTreeS = inputLoader->TreeS(); | |
498 | if (!iTreeS) | |
92aeef15 | 499 | { |
500 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
501 | } | |
9ec6a948 | 502 | |
ca8c8223 | 503 | if (!fInputDigitStores) |
9ec6a948 | 504 | { |
ca8c8223 | 505 | CreateInputDigitStores(); |
9ec6a948 | 506 | } |
40e382ae | 507 | |
ca8c8223 | 508 | AliMUONVDigitStore* dstore = static_cast<AliMUONVDigitStore*>(fInputDigitStores->At(iFile)); |
509 | ||
510 | dstore->Connect(*iTreeS); | |
40e382ae | 511 | |
ca8c8223 | 512 | iTreeS->GetEvent(0); |
513 | ||
514 | MergeWithSDigits(fDigitStore,*dstore,fManager->GetMask(iFile)); | |
05314992 | 515 | |
40e382ae | 516 | inputLoader->UnloadSDigits(); |
05314992 | 517 | |
ca8c8223 | 518 | dstore->Clear(); |
92aeef15 | 519 | } |
5d950f54 | 520 | |
92aeef15 | 521 | |
522 | // At this point, we do have digit arrays (one per chamber) which contains | |
523 | // the merging of all the sdigits of the input file(s). | |
524 | // We now massage them to apply the detector response, i.e. this | |
525 | // is here that we do the "digitization" work. | |
526 | ||
40e382ae | 527 | if (!fOutputDigitStore) |
528 | { | |
529 | fOutputDigitStore = fDigitStore->Create(); | |
530 | } | |
531 | ||
8c0b5e70 | 532 | if ( fGenerateNoisyDigits>=2 ) |
533 | { | |
534 | // Generate noise-only digits for trigger. | |
535 | GenerateNoisyDigitsForTrigger(*fDigitStore); | |
536 | } | |
40e382ae | 537 | ApplyResponse(*fDigitStore,*fOutputDigitStore); |
5d950f54 | 538 | |
4ce497c4 | 539 | if ( fGenerateNoisyDigits ) |
540 | { | |
541 | // Generate noise-only digits for tracker. | |
40e382ae | 542 | GenerateNoisyDigits(*fOutputDigitStore); |
4ce497c4 | 543 | } |
544 | ||
92aeef15 | 545 | // We generate the global and local trigger decisions. |
40e382ae | 546 | fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore); |
547 | ||
548 | // Prepare output tree | |
549 | Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE); | |
550 | Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE); | |
551 | if (!okD || !okT) | |
552 | { | |
553 | AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT)); | |
554 | return; | |
555 | } | |
92aeef15 | 556 | |
557 | // Fill the output treeD | |
40e382ae | 558 | oTreeD->Fill(); |
92aeef15 | 559 | |
560 | // Write to the output tree(D). | |
561 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
562 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
563 | // the 3 branches. | |
40e382ae | 564 | outputLoader->WriteDigits("OVERWRITE"); |
92aeef15 | 565 | |
40e382ae | 566 | outputLoader->UnloadDigits(); |
4ce497c4 | 567 | |
40e382ae | 568 | // Finally, we clean up after ourselves. |
569 | fTriggerStore->Clear(); | |
570 | fDigitStore->Clear(); | |
571 | fOutputDigitStore->Clear(); | |
92aeef15 | 572 | } |
573 | ||
4ce497c4 | 574 | |
4ce497c4 | 575 | //_____________________________________________________________________________ |
576 | void | |
40e382ae | 577 | AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore) |
4ce497c4 | 578 | { |
9265505b | 579 | /// According to a given probability, generate digits that |
580 | /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits | |
581 | /// that are "only noise". | |
4ce497c4 | 582 | |
99c136e1 | 583 | AliCodeTimerAuto("",0) |
b74ca120 | 584 | |
4ce497c4 | 585 | for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i ) |
586 | { | |
587 | AliMpDEIterator it; | |
588 | ||
589 | it.First(i); | |
590 | ||
591 | while ( !it.IsDone() ) | |
592 | { | |
593 | for ( Int_t cathode = 0; cathode < 2; ++cathode ) | |
594 | { | |
40e382ae | 595 | GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode); |
4ce497c4 | 596 | } |
597 | it.Next(); | |
598 | } | |
599 | } | |
4ce497c4 | 600 | } |
601 | ||
602 | //_____________________________________________________________________________ | |
603 | void | |
40e382ae | 604 | AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore, |
605 | Int_t detElemId, Int_t cathode) | |
4ce497c4 | 606 | { |
9265505b | 607 | /// Generate noise-only digits for one cathode of one detection element. |
608 | /// Called by GenerateNoisyDigits() | |
4ce497c4 | 609 | |
9265505b | 610 | const AliMpVSegmentation* seg |
866c3232 | 611 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode)); |
4ce497c4 | 612 | Int_t nofPads = seg->NofPads(); |
613 | ||
614 | Int_t maxIx = seg->MaxPadIndexX(); | |
615 | Int_t maxIy = seg->MaxPadIndexY(); | |
616 | ||
5c083cba | 617 | static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgNSigmas/TMath::Sqrt(2.0)) / 2. ; |
4ce497c4 | 618 | |
84aac932 | 619 | Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads); |
4ce497c4 | 620 | if ( !nofNoisyPads ) return; |
621 | ||
622 | nofNoisyPads = | |
623 | TMath::Nint(gRandom->Gaus(nofNoisyPads, | |
624 | nofNoisyPads/TMath::Sqrt(nofNoisyPads))); | |
625 | ||
626 | AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads)); | |
627 | ||
40e382ae | 628 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) |
4ce497c4 | 629 | { |
630 | Int_t ix(-1); | |
631 | Int_t iy(-1); | |
40e382ae | 632 | AliMpPad pad; |
633 | ||
4ce497c4 | 634 | do { |
635 | ix = gRandom->Integer(maxIx+1); | |
636 | iy = gRandom->Integer(maxIy+1); | |
168e9c4d | 637 | pad = seg->PadByIndices(ix,iy,kFALSE); |
40e382ae | 638 | } while ( !pad.IsValid() ); |
639 | ||
168e9c4d | 640 | Int_t manuId = pad.GetManuId(); |
641 | Int_t manuChannel = pad.GetManuChannel(); | |
40e382ae | 642 | |
4ce497c4 | 643 | AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId); |
644 | ||
ad26d4f6 | 645 | if (!pedestals) |
646 | { | |
647 | // no pedestal available for this channel, simply give up | |
40e382ae | 648 | continue; |
ad26d4f6 | 649 | } |
650 | ||
40e382ae | 651 | AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
652 | ||
653 | d->SetPadXY(ix,iy); | |
654 | ||
ec9acc85 | 655 | d->SetCharge(0.0); // charge is zero, the ApplyResponseToTrackerDigit will add the noise |
40e382ae | 656 | d->NoiseOnly(kTRUE); |
ec9acc85 | 657 | ApplyResponseToTrackerDigit(*d,kTRUE); |
cf27231a | 658 | if ( d->ADC() > 0 ) |
4ce497c4 | 659 | { |
40e382ae | 660 | Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny); |
661 | // this can happen (that we randomly chose a digit that is | |
662 | // already there). We simply ignore this, but log the occurence | |
663 | // to cross-check that it's not too frequent. | |
664 | if (!ok) | |
665 | { | |
666 | fLogger->Log("Collision while adding noiseOnly digit"); | |
667 | } | |
668 | else | |
669 | { | |
670 | fLogger->Log("Added noiseOnly digit"); | |
671 | } | |
4ce497c4 | 672 | } |
40e382ae | 673 | delete d; |
4ce497c4 | 674 | } |
675 | } | |
676 | ||
8c0b5e70 | 677 | |
678 | //_____________________________________________________________________________ | |
679 | void | |
680 | AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore) | |
681 | { | |
682 | /// Generate noise-only digits for one cathode of one detection element. | |
683 | /// Called by GenerateNoisyDigits() | |
684 | ||
685 | if ( !fNoiseFunctionTrig ) | |
686 | { | |
687 | fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau", | |
688 | 50.,270.); | |
689 | ||
690 | fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02); | |
691 | } | |
692 | ||
693 | AliMpPad pad[2]; | |
694 | AliMUONVDigit *d[2]={0x0}; | |
695 | ||
696 | for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId ) | |
697 | { | |
698 | ||
699 | Int_t nofNoisyPads = 50; | |
700 | ||
701 | Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02; | |
702 | AliMpDEIterator it; | |
703 | ||
704 | AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads)); | |
705 | ||
706 | for ( Int_t i = 0; i < nofNoisyPads; ++i ) | |
707 | { | |
708 | //printf("Generating noise %i\n",i); | |
709 | Int_t ix(-1); | |
710 | Int_t iy(-1); | |
711 | Bool_t isOk = kFALSE; | |
712 | Int_t detElemId = -1; | |
713 | do { | |
714 | //r = gRandom->Landau(9.85026, 9.35881e-02); | |
715 | r = fNoiseFunctionTrig->GetRandom(); | |
716 | fi = 2. * TMath::Pi() * gRandom->Rndm(); | |
717 | //printf("r = %f\tfi = %f\n", r, fi); | |
718 | gx = r * TMath::Cos(fi); | |
719 | gy = r * TMath::Sin(fi); | |
720 | ||
721 | for ( it.First(chamberId); ! it.IsDone(); it.Next() ){ | |
722 | Int_t currDetElemId = it.CurrentDEId(); | |
723 | const AliMpVSegmentation* seg | |
724 | = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0)); | |
725 | if (!seg) continue; | |
6e97fbb8 | 726 | Float_t deltax = seg->GetDimensionX(); |
727 | Float_t deltay = seg->GetDimensionY(); | |
8c0b5e70 | 728 | GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg); |
729 | GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg); | |
730 | Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02; | |
731 | if(xg01>xg02){ | |
732 | xg1 = xg02; | |
733 | xg2 = xg01; | |
734 | } | |
735 | if(yg01>yg02){ | |
736 | yg1 = yg02; | |
737 | yg2 = yg01; | |
738 | } | |
739 | if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){ | |
740 | detElemId = currDetElemId; | |
741 | GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z); | |
6e97fbb8 | 742 | pad[0] = seg->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 743 | if(!pad[0].IsValid()) continue; |
744 | isOk = kTRUE; | |
745 | break; | |
746 | } | |
747 | } // loop on slats | |
748 | } while ( !isOk ); | |
749 | ||
750 | const AliMpVSegmentation* seg1 | |
751 | = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1)); | |
6e97fbb8 | 752 | pad[1] = seg1->PadByPosition(x,y,kFALSE); |
8c0b5e70 | 753 | |
754 | for ( Int_t cathode = 0; cathode < 2; ++cathode ){ | |
168e9c4d | 755 | Int_t manuId = pad[cathode].GetLocalBoardId(0); |
756 | Int_t manuChannel = pad[cathode].GetLocalBoardChannel(0); | |
8c0b5e70 | 757 | d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode); |
168e9c4d | 758 | ix = pad[cathode].GetIx(); |
759 | iy = pad[cathode].GetIy(); | |
8c0b5e70 | 760 | d[cathode]->SetPadXY(ix,iy); |
761 | //d[cathode].SetSignal(1); | |
762 | //d[cathode].SetPhysicsSignal(0); | |
763 | d[cathode]->SetCharge(1); | |
764 | d[cathode]->NoiseOnly(kTRUE); | |
765 | AliDebug(3,Form("Adding a pure noise digit :")); | |
766 | ||
767 | Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny); | |
768 | if (!ok) | |
769 | { | |
770 | fLogger->Log("Collision while adding TriggerNoise digit"); | |
771 | } | |
772 | else | |
773 | { | |
774 | fLogger->Log("Added triggerNoise digit"); | |
775 | } | |
776 | } //loop on cathodes | |
777 | } // loop on noisy pads | |
778 | } // loop on chambers | |
779 | } | |
780 | ||
781 | ||
92aeef15 | 782 | //_____________________________________________________________________________ |
40e382ae | 783 | AliLoader* |
784 | AliMUONDigitizerV3::GetLoader(const TString& folderName) | |
92aeef15 | 785 | { |
40e382ae | 786 | /// Get a MUON loader |
9265505b | 787 | |
ad26d4f6 | 788 | AliDebug(2,Form("Getting access to folder %s",folderName.Data())); |
40e382ae | 789 | AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data()); |
92aeef15 | 790 | if (!loader) |
791 | { | |
792 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
793 | return 0x0; | |
794 | } | |
40e382ae | 795 | return loader; |
92aeef15 | 796 | } |
797 | ||
798 | //_____________________________________________________________________________ | |
799 | Bool_t | |
800 | AliMUONDigitizerV3::Init() | |
801 | { | |
9265505b | 802 | /// Initialization of the TTask : |
40e382ae | 803 | /// a) create the calibrationData, according to run number |
804 | /// b) create the trigger processing task | |
9265505b | 805 | |
ad26d4f6 | 806 | AliDebug(2,""); |
92aeef15 | 807 | |
808 | if ( fIsInitialized ) | |
809 | { | |
810 | AliError("Object already initialized."); | |
811 | return kFALSE; | |
812 | } | |
813 | ||
814 | if (!fManager) | |
815 | { | |
816 | AliError("fManager is null !"); | |
817 | return kFALSE; | |
818 | } | |
819 | ||
331a617a | 820 | // Load mapping |
821 | if ( ! AliMpCDB::LoadDDLStore() ) { | |
88544f7e | 822 | AliFatal("Could not access mapping from OCDB !"); |
823 | } | |
824 | ||
92c23b09 | 825 | if (!fCalibrationData) |
826 | AliFatal("Calibration data object not defined"); | |
827 | ||
ad26d4f6 | 828 | if ( !fCalibrationData->Pedestals() ) |
829 | { | |
830 | AliFatal("Could not access pedestals from OCDB !"); | |
831 | } | |
832 | if ( !fCalibrationData->Gains() ) | |
833 | { | |
834 | AliFatal("Could not access gains from OCDB !"); | |
835 | } | |
92c23b09 | 836 | |
837 | ||
838 | AliInfo("Using trigger configuration from CDB"); | |
839 | ||
40e382ae | 840 | fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData); |
4ce497c4 | 841 | |
ad26d4f6 | 842 | AliDebug(1, Form("Will %s generate noise-only digits for tracker", |
843 | (fGenerateNoisyDigits ? "":"NOT"))); | |
d5315275 | 844 | |
845 | fTriggerUtilities = new AliMUONTriggerUtilities(fCalibrationData); | |
846 | ||
847 | if ( muon()->GetTriggerEffCells() ) { | |
848 | // Apply trigger efficiency | |
849 | AliDebug(1, "Will apply trigger efficiency"); | |
850 | fTriggerEfficiency = new AliMUONTriggerChamberEfficiency(fCalibrationData->TriggerEfficiency()); | |
851 | } | |
ad26d4f6 | 852 | |
92aeef15 | 853 | fIsInitialized = kTRUE; |
854 | return kTRUE; | |
855 | } | |
856 | ||
d5315275 | 857 | |
858 | //_____________________________________________________________________________ | |
859 | Int_t AliMUONDigitizerV3::GetArrayIndex(Int_t cathode, Int_t trigCh, Int_t localCircuit) | |
860 | { | |
861 | /// Get index of array with trigger status map or efficiency | |
862 | return | |
863 | AliMUONConstants::NTriggerCircuit() * AliMUONConstants::NTriggerCh() * cathode + | |
864 | AliMUONConstants::NTriggerCircuit() * trigCh + localCircuit-1; | |
865 | } | |
866 | ||
867 | ||
92aeef15 | 868 | //_____________________________________________________________________________ |
869 | void | |
40e382ae | 870 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore, |
871 | const AliMUONVDigitStore& input, | |
872 | Int_t mask) | |
92aeef15 | 873 | { |
9265505b | 874 | /// Merge the sdigits in inputData with the digits already present in outputData |
92aeef15 | 875 | |
40e382ae | 876 | if ( !outputStore ) outputStore = input.Create(); |
877 | ||
878 | TIter next(input.CreateIterator()); | |
879 | AliMUONVDigit* sdigit; | |
880 | ||
881 | while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) ) | |
882 | { | |
883 | // Update the track references using the mask. | |
884 | // FIXME: this is dirty, for backward compatibility only. | |
885 | // Should re-design all this way of keeping track of MC information... | |
886 | if ( mask ) sdigit->PatchTracks(mask); | |
887 | // Then add or update the digit to the output. | |
888 | AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge); | |
889 | if (!added) | |
92aeef15 | 890 | { |
40e382ae | 891 | AliError("Could not add digit in merge mode"); |
92aeef15 | 892 | } |
92aeef15 | 893 | } |
894 | } | |
ec9acc85 | 895 | |
896 | //_____________________________________________________________________________ | |
897 | TF1* | |
898 | AliMUONDigitizerV3::NoiseFunction() | |
899 | { | |
900 | /// Return noise function | |
901 | static TF1* f = 0x0; | |
902 | if (!f) | |
903 | { | |
5c083cba | 904 | f = new TF1("AliMUONDigitizerV3::NoiseFunction","gaus",fgNSigmas,fgNSigmas*10); |
ec9acc85 | 905 | f->SetParameters(1,0,1); |
906 | } | |
907 | return f; | |
908 | } | |
909 |