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d99769c3 | 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 | ||
18 | #include "AliMUONDigitCalibrator.h" | |
19 | ||
861d6ce8 | 20 | #include "AliLog.h" |
d99769c3 | 21 | #include "AliMUONCalibrationData.h" |
fe6ed686 | 22 | #include "AliMUONLogger.h" |
d1c20d08 | 23 | #include "AliMUONPadStatusMaker.h" |
24 | #include "AliMUONPadStatusMapMaker.h" | |
de487b6e | 25 | #include "AliMUONRecoParam.h" |
c795d086 | 26 | #include "AliMUONVCalibParam.h" |
861d6ce8 | 27 | #include "AliMUONVDigit.h" |
28 | #include "AliMUONVDigitStore.h" | |
29 | #include "AliMUONVStore.h" | |
30 | #include "AliMpBusPatch.h" | |
de98fdc9 | 31 | #include "AliMpConstants.h" |
ab167304 | 32 | #include "AliMpCDB.h" |
de98fdc9 | 33 | #include "AliMpDDLStore.h" |
861d6ce8 | 34 | #include "AliMpDEIterator.h" |
35 | #include "AliMpDetElement.h" | |
ab167304 | 36 | #include "AliMpManuStore.h" |
d99769c3 | 37 | |
3d1463c8 | 38 | //----------------------------------------------------------------------------- |
7945aae7 | 39 | /// \class AliMUONDigitCalibrator |
1171bb0a | 40 | /// Class used to calibrate digits (either real or simulated ones). |
41 | /// | |
42 | /// The calibration consists of subtracting the pedestal | |
43 | /// and multiplying by a gain, so that | |
44 | /// Signal = (ADC-pedestal)*gain | |
45 | /// | |
46 | /// Please note also that for the moment, if a digit lies on a dead channel | |
47 | /// we remove this digit from the list of digits. | |
48 | /// FIXME: this has to be revisited. By using the AliMUONDigit::fFlags we | |
49 | /// should in principle flag a digit as bad w/o removing it, but this | |
50 | /// then requires some changes in the cluster finder to deal with this extra | |
51 | /// information correctly (e.g. to set a quality for the cluster if it contains | |
52 | /// bad digits). | |
53 | /// | |
7945aae7 | 54 | /// \author Laurent Aphecetche |
3d1463c8 | 55 | //----------------------------------------------------------------------------- |
7945aae7 | 56 | |
1171bb0a | 57 | |
7945aae7 | 58 | /// \cond CLASSIMP |
d99769c3 | 59 | ClassImp(AliMUONDigitCalibrator) |
7945aae7 | 60 | /// \endcond |
d99769c3 | 61 | |
de98fdc9 | 62 | const Int_t AliMUONDigitCalibrator::fgkNoGain(0); |
63 | const Int_t AliMUONDigitCalibrator::fgkGainConstantCapa(1); | |
64 | const Int_t AliMUONDigitCalibrator::fgkGain(2); | |
65 | ||
d99769c3 | 66 | //_____________________________________________________________________________ |
de98fdc9 | 67 | AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib, |
ab167304 | 68 | const AliMUONRecoParam* recoParams, |
de98fdc9 | 69 | const char* calibMode) |
42825ed9 | 70 | : TObject(), |
3b6f7dce | 71 | fLogger(new AliMUONLogger(20000)), |
49e396d9 | 72 | fStatusMaker(0x0), |
73 | fStatusMapMaker(0x0), | |
74 | fPedestals(0x0), | |
de98fdc9 | 75 | fGains(0x0), |
76 | fApplyGains(0), | |
de487b6e | 77 | fCapacitances(0x0), |
78 | fNumberOfBadPads(0), | |
170f4046 | 79 | fNumberOfPads(0), |
80 | fChargeSigmaCut(0) | |
d99769c3 | 81 | { |
42825ed9 | 82 | /// ctor |
de98fdc9 | 83 | |
de487b6e | 84 | Ctor(calibMode,calib,recoParams); |
85 | } | |
86 | ||
87 | //_____________________________________________________________________________ | |
88 | AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib, | |
89 | const char* calibMode) | |
90 | : TObject(), | |
91 | fLogger(new AliMUONLogger(20000)), | |
92 | fStatusMaker(0x0), | |
93 | fStatusMapMaker(0x0), | |
94 | fPedestals(0x0), | |
95 | fGains(0x0), | |
96 | fApplyGains(0), | |
97 | fCapacitances(0x0), | |
98 | fNumberOfBadPads(0), | |
170f4046 | 99 | fNumberOfPads(0), |
100 | fChargeSigmaCut(0) | |
de487b6e | 101 | { |
102 | /// ctor | |
103 | ||
104 | Ctor(calibMode,calib,0x0); | |
105 | } | |
106 | ||
107 | //_____________________________________________________________________________ | |
108 | void | |
109 | AliMUONDigitCalibrator::Ctor(const char* calibMode, | |
110 | const AliMUONCalibrationData& calib, | |
111 | const AliMUONRecoParam* recoParams) | |
112 | { | |
113 | /// designated ctor | |
114 | ||
de98fdc9 | 115 | TString cMode(calibMode); |
116 | cMode.ToUpper(); | |
117 | ||
118 | if ( cMode == "NOGAIN" ) | |
119 | { | |
120 | fApplyGains = fgkNoGain; | |
121 | AliInfo("Will NOT apply gain correction"); | |
122 | } | |
3b6f7dce | 123 | else if ( cMode == "GAINCONSTANTCAPA" ) |
de98fdc9 | 124 | { |
125 | fApplyGains = fgkGainConstantCapa; | |
126 | AliInfo("Will apply gain correction, but with constant capacitance"); | |
127 | } | |
128 | else if ( cMode == "GAIN" ) | |
129 | { | |
130 | fApplyGains = fgkGain; | |
131 | AliInfo("Will apply gain correction, with measured capacitances"); | |
132 | } | |
133 | else | |
134 | { | |
135 | AliError(Form("Invalid calib mode = %s. Will use NOGAIN instead",calibMode)); | |
136 | fApplyGains = fgkNoGain; | |
137 | } | |
138 | ||
ab167304 | 139 | // Load mapping manu store |
140 | if ( ! AliMpCDB::LoadManuStore() ) { | |
141 | AliFatal("Could not access manu store from OCDB !"); | |
142 | } | |
143 | ||
49e396d9 | 144 | fStatusMaker = new AliMUONPadStatusMaker(calib); |
145 | ||
170f4046 | 146 | // Set default values, as loose as reasonable |
147 | ||
148 | fChargeSigmaCut = 3.0; | |
149 | ||
150 | Int_t mask(0x8080); // reject pads where ped *or* hv are missing | |
de487b6e | 151 | |
de487b6e | 152 | if ( recoParams ) |
153 | { | |
170f4046 | 154 | // if we have reco params, we use limits and cuts from there : |
155 | ||
de487b6e | 156 | fStatusMaker->SetHVSt12Limits(recoParams->HVSt12LowLimit(),recoParams->HVSt12HighLimit()); |
157 | fStatusMaker->SetHVSt345Limits(recoParams->HVSt345LowLimit(),recoParams->HVSt345HighLimit()); | |
158 | fStatusMaker->SetPedMeanLimits(recoParams->PedMeanLowLimit(),recoParams->PedMeanHighLimit()); | |
159 | fStatusMaker->SetPedSigmaLimits(recoParams->PedSigmaLowLimit(),recoParams->PedSigmaHighLimit()); | |
160 | fStatusMaker->SetGainA1Limits(recoParams->GainA1LowLimit(),recoParams->GainA1HighLimit()); | |
161 | fStatusMaker->SetGainA2Limits(recoParams->GainA2LowLimit(),recoParams->GainA2HighLimit()); | |
162 | fStatusMaker->SetGainThresLimits(recoParams->GainThresLowLimit(),recoParams->GainThresHighLimit()); | |
170f4046 | 163 | |
164 | mask = recoParams->PadGoodnessMask(); | |
de487b6e | 165 | //WARNING : getting this mask wrong is a very effective way of getting |
166 | //no digits at all out of this class ;-) | |
170f4046 | 167 | |
168 | fChargeSigmaCut = recoParams->ChargeSigmaCut(); | |
de487b6e | 169 | } |
49e396d9 | 170 | |
171 | Bool_t deferredInitialization = kTRUE; | |
172 | ||
173 | fStatusMapMaker = new AliMUONPadStatusMapMaker(*fStatusMaker,mask,deferredInitialization); | |
174 | ||
175 | fPedestals = calib.Pedestals(); | |
de98fdc9 | 176 | |
177 | fGains = calib.Gains(); // we get gains whatever the calibMode is, in order | |
178 | // to get the saturation value... | |
179 | ||
180 | if ( fApplyGains == fgkGain ) | |
181 | { | |
182 | fCapacitances = calib.Capacitances(); | |
183 | } | |
d99769c3 | 184 | } |
185 | ||
186 | //_____________________________________________________________________________ | |
187 | AliMUONDigitCalibrator::~AliMUONDigitCalibrator() | |
188 | { | |
d1c20d08 | 189 | /// dtor. |
49e396d9 | 190 | delete fStatusMaker; |
191 | delete fStatusMapMaker; | |
fe6ed686 | 192 | |
193 | AliInfo("Summary of messages:"); | |
194 | fLogger->Print(); | |
195 | ||
de487b6e | 196 | AliInfo(Form("We have seen %g pads, and rejected %g (%7.2f %%)", |
197 | fNumberOfPads,fNumberOfBadPads, | |
198 | ( fNumberOfPads > 0 ) ? fNumberOfBadPads*100.0/fNumberOfPads : 0 )); | |
199 | ||
fe6ed686 | 200 | delete fLogger; |
d99769c3 | 201 | } |
202 | ||
203 | //_____________________________________________________________________________ | |
204 | void | |
42825ed9 | 205 | AliMUONDigitCalibrator::Calibrate(AliMUONVDigitStore& digitStore) |
d99769c3 | 206 | { |
42825ed9 | 207 | /// Calibrate the digits contained in digitStore |
208 | TIter next(digitStore.CreateTrackerIterator()); | |
209 | AliMUONVDigit* digit; | |
861d6ce8 | 210 | Int_t detElemId(-1); |
170f4046 | 211 | Double_t nsigmas = fChargeSigmaCut; |
861d6ce8 | 212 | |
213 | AliDebug(1,Form("# of digits = %d",digitStore.GetSize())); | |
c795d086 | 214 | |
42825ed9 | 215 | while ( ( digit = static_cast<AliMUONVDigit*>(next() ) ) ) |
d99769c3 | 216 | { |
de487b6e | 217 | if ( digit->IsCalibrated() ) |
218 | { | |
219 | fLogger->Log("ERROR : trying to calibrate a digit twice"); | |
220 | return; | |
221 | } | |
222 | ||
223 | digit->Calibrated(kTRUE); | |
224 | ||
861d6ce8 | 225 | if ( digit->DetElemId() != detElemId ) |
226 | { | |
227 | // Find out occupancy of that DE | |
228 | detElemId = digit->DetElemId(); | |
630711ed | 229 | AliMpDetElement* de = AliMpDDLStore::Instance()->GetDetElement(detElemId); |
230 | Double_t nchannels = de->NofChannels(); | |
861d6ce8 | 231 | Double_t occ = digitStore.GetSize(detElemId)/nchannels; |
232 | if ( occ > 0.05 ) | |
233 | { | |
234 | nsigmas = 10.0; // enlarge (a lot) sigma cut if occupancy is high | |
235 | // (which probably means zero suppression was not exactly OK). | |
236 | fLogger->Log(Form("Will use %5.0f*sigma cut for DE %04d " | |
237 | "due to high occupancy",nsigmas,detElemId)); | |
238 | } | |
239 | else | |
240 | { | |
170f4046 | 241 | nsigmas = fChargeSigmaCut; |
861d6ce8 | 242 | } |
243 | } | |
244 | ||
de487b6e | 245 | Float_t charge(0.0); |
246 | Int_t statusMap; | |
247 | Bool_t isSaturated(kFALSE); | |
248 | ||
249 | Bool_t ok = IsValidDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(),&statusMap); | |
250 | ||
251 | digit->SetStatusMap(statusMap); | |
252 | ||
253 | if (ok) | |
254 | { | |
255 | ++fNumberOfPads; | |
256 | charge = CalibrateDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(), | |
257 | digit->ADC(),nsigmas,&isSaturated); | |
258 | } | |
259 | else | |
260 | { | |
261 | ++fNumberOfBadPads; | |
262 | } | |
263 | ||
264 | digit->SetCharge(charge); | |
265 | digit->Saturated(isSaturated); | |
42825ed9 | 266 | } |
267 | } | |
268 | ||
269 | //_____________________________________________________________________________ | |
de487b6e | 270 | Float_t |
271 | AliMUONDigitCalibrator::CalibrateDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel, | |
272 | Float_t adc, Float_t nsigmas, | |
273 | Bool_t* isSaturated) const | |
274 | ||
42825ed9 | 275 | { |
276 | /// Calibrate one digit | |
277 | ||
cf27231a | 278 | |
de487b6e | 279 | AliMUONVCalibParam* pedestal = static_cast<AliMUONVCalibParam*> |
280 | (fPedestals->FindObject(detElemId,manuId)); | |
49e396d9 | 281 | |
de487b6e | 282 | if (!pedestal) |
42825ed9 | 283 | { |
de487b6e | 284 | // no pedestal -> no charge |
285 | fLogger->Log(Form("Got a null pedestal object for DE,manu=%d,%d",detElemId,manuId)); | |
286 | return 0.0; | |
42825ed9 | 287 | } |
de487b6e | 288 | |
289 | ||
290 | AliMUONVCalibParam* gain = static_cast<AliMUONVCalibParam*> | |
291 | (fGains->FindObject(detElemId,manuId)); | |
292 | ||
293 | if (!gain) | |
42825ed9 | 294 | { |
de487b6e | 295 | if ( fApplyGains != fgkNoGain ) |
d99769c3 | 296 | { |
de487b6e | 297 | // no gain -> no charge |
298 | fLogger->Log(Form("Got a null gain object for DE,manu=%d,%d", | |
299 | detElemId,manuId)); | |
300 | return 0.0; | |
42825ed9 | 301 | } |
de487b6e | 302 | } |
303 | ||
304 | Float_t padc = adc-pedestal->ValueAsFloat(manuChannel,0); | |
305 | Float_t charge(0); | |
306 | Float_t capa(1.0); | |
307 | ||
308 | if ( fApplyGains == fgkGainConstantCapa ) | |
309 | { | |
310 | capa = 0.2; // pF | |
311 | } | |
312 | else if ( fApplyGains == fgkGain ) | |
313 | { | |
3b6f7dce | 314 | |
ab167304 | 315 | |
316 | Int_t serialNumber | |
317 | = AliMpManuStore::Instance()->GetManuSerial(detElemId, manuId); | |
3b6f7dce | 318 | |
de487b6e | 319 | AliMUONVCalibParam* param = static_cast<AliMUONVCalibParam*>(fCapacitances->FindObject(serialNumber)); |
320 | ||
321 | if ( param ) | |
42825ed9 | 322 | { |
de487b6e | 323 | capa = param->ValueAsFloat(manuChannel); |
42825ed9 | 324 | } |
de487b6e | 325 | else |
de98fdc9 | 326 | { |
de487b6e | 327 | fLogger->Log(Form("No capa found for serialNumber=%d",serialNumber)); |
328 | capa = 0.0; | |
de98fdc9 | 329 | } |
de487b6e | 330 | } |
331 | ||
332 | if ( padc > nsigmas*pedestal->ValueAsFloat(manuChannel,1) ) | |
333 | { | |
334 | if ( fApplyGains != fgkNoGain ) | |
de98fdc9 | 335 | { |
de487b6e | 336 | Float_t a0 = gain->ValueAsFloat(manuChannel,0); |
337 | Float_t a1 = gain->ValueAsFloat(manuChannel,1); | |
338 | Int_t thres = gain->ValueAsInt(manuChannel,2); | |
339 | if ( padc < thres ) | |
3b6f7dce | 340 | { |
de487b6e | 341 | charge = a0*padc; |
3b6f7dce | 342 | } |
343 | else | |
344 | { | |
de487b6e | 345 | charge = a0*thres + a0*(padc-thres) + a1*(padc-thres)*(padc-thres); |
3b6f7dce | 346 | } |
de98fdc9 | 347 | } |
de487b6e | 348 | else |
42825ed9 | 349 | { |
de487b6e | 350 | charge = padc; |
42825ed9 | 351 | } |
de487b6e | 352 | } |
353 | ||
354 | charge *= capa; | |
355 | ||
356 | if ( isSaturated ) | |
357 | { | |
3b6f7dce | 358 | Int_t saturation(3000); |
de487b6e | 359 | |
3b6f7dce | 360 | if ( gain ) |
361 | { | |
362 | saturation = gain->ValueAsInt(manuChannel,4); | |
363 | } | |
de487b6e | 364 | |
de98fdc9 | 365 | if ( padc >= saturation ) |
42825ed9 | 366 | { |
de487b6e | 367 | *isSaturated = kTRUE; |
368 | } | |
369 | else | |
370 | { | |
ada26c2d | 371 | *isSaturated = kFALSE; |
d99769c3 | 372 | } |
373 | } | |
de487b6e | 374 | |
375 | return charge; | |
d99769c3 | 376 | } |
de487b6e | 377 | |
378 | //_____________________________________________________________________________ | |
379 | Bool_t | |
380 | AliMUONDigitCalibrator::IsValidDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel, | |
381 | Int_t* statusMap) const | |
382 | ||
383 | { | |
384 | /// Check if a given pad is ok or not. | |
385 | ||
386 | // First a protection against bad input parameters | |
387 | AliMpDetElement* de = AliMpDDLStore::Instance()->GetDetElement(detElemId); | |
388 | if (!de) return kFALSE; // not existing DE | |
389 | if (!de->IsExistingChannel(manuId,manuChannel)) | |
390 | { | |
391 | // non-existing (might happen when we get parity errors in read-out | |
392 | // that spoils the manuId | |
393 | return kFALSE; | |
394 | } | |
395 | if (!de->IsConnectedChannel(manuId,manuChannel)) | |
396 | { | |
397 | // existing (in read-out), but not connected channel | |
398 | return kFALSE; | |
399 | } | |
400 | ||
401 | // ok, now we have a valid channel number, so let's see if that pad | |
402 | // behaves or not ;-) | |
403 | ||
404 | Int_t sm = fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel); | |
405 | ||
406 | if (statusMap) *statusMap = sm; | |
407 | ||
408 | if ( ( sm & AliMUONPadStatusMapMaker::SelfDeadMask() ) != 0 ) | |
409 | { | |
410 | // pad itself is bad (not testing its neighbours at this stage) | |
411 | return kFALSE; | |
412 | } | |
413 | ||
414 | return kTRUE; | |
415 | } | |
416 | ||
417 | //_____________________________________________________________________________ | |
418 | Int_t | |
419 | AliMUONDigitCalibrator::PadStatus(Int_t detElemId, Int_t manuId, Int_t manuChannel) const | |
420 | { | |
421 | /// Return the status of the given pad | |
422 | return fStatusMaker->PadStatus(detElemId,manuId,manuChannel); | |
423 | } | |
424 | ||
425 | //_____________________________________________________________________________ | |
426 | Int_t | |
427 | AliMUONDigitCalibrator::StatusMap(Int_t detElemId, Int_t manuId, Int_t manuChannel) const | |
428 | { | |
429 | /// Return the status map of the given pad | |
430 | return fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel); | |
431 | ||
432 | } | |
433 |