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1 | /************************************************************************** | |
2 | * Copyright(c) 2007, 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 | //This class produces PHOS digits of one event | |
19 | //using AliPHOSRawFitter. | |
20 | // | |
21 | // For example: | |
22 | // TClonesArray *digits = new TClonesArray("AliPHOSDigit",100); | |
23 | // AliRawReader* rawReader = new AliRawReaderDate("2006run2211.raw"); | |
24 | // AliPHOSRawDecoder dc(rawReader); | |
25 | // while (rawReader->NextEvent()) { | |
26 | // AliPHOSRawDigiProducer producer; | |
27 | // producer.MakeDigits(digits,&dc); | |
28 | // } | |
29 | ||
30 | // Author: Boris Polichtchouk | |
31 | ||
32 | // --- ROOT system --- | |
33 | #include "TClonesArray.h" | |
34 | ||
35 | // --- AliRoot header files --- | |
36 | #include "AliPHOSRawDigiProducer.h" | |
37 | #include "AliPHOSRawFitterv0.h" | |
38 | #include "AliPHOSGeometry.h" | |
39 | #include "AliPHOSDigit.h" | |
40 | #include "AliPHOSCalibData.h" | |
41 | #include "AliPHOSPulseGenerator.h" | |
42 | #include "AliCaloRawStreamV3.h" | |
43 | #include "AliLog.h" | |
44 | ||
45 | ClassImp(AliPHOSRawDigiProducer) | |
46 | ||
47 | AliPHOSCalibData * AliPHOSRawDigiProducer::fgCalibData = 0 ; | |
48 | ||
49 | //-------------------------------------------------------------------------------------- | |
50 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(): | |
51 | TObject(), | |
52 | fEmcMinE(0.), | |
53 | fCpvMinE(0.), | |
54 | fSampleQualityCut(1.), | |
55 | fSampleToSec(0.), | |
56 | fEmcCrystals(0), | |
57 | fGeom(0), | |
58 | fPulseGenerator(0), | |
59 | fRawReader(0), | |
60 | fRawStream(0), | |
61 | fADCValuesLG(0), | |
62 | fADCValuesHG(0) | |
63 | { | |
64 | // Default constructor | |
65 | ||
66 | fGeom=AliPHOSGeometry::GetInstance() ; | |
67 | if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP"); | |
68 | ||
69 | fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ; | |
70 | fPulseGenerator = new AliPHOSPulseGenerator(); | |
71 | GetCalibrationParameters() ; | |
72 | ||
73 | } | |
74 | //-------------------------------------------------------------------------------------- | |
75 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(AliRawReader *rawReader, | |
76 | AliAltroMapping **mapping): | |
77 | TObject(), | |
78 | fEmcMinE(0.), | |
79 | fCpvMinE(0.), | |
80 | fSampleQualityCut(1.), | |
81 | fSampleToSec(0.), | |
82 | fEmcCrystals(0), | |
83 | fGeom(0), | |
84 | fPulseGenerator(0), | |
85 | fRawReader(rawReader), | |
86 | fRawStream(0), | |
87 | fADCValuesLG(0), | |
88 | fADCValuesHG(0) | |
89 | { | |
90 | // Default constructor | |
91 | ||
92 | fGeom=AliPHOSGeometry::GetInstance() ; | |
93 | if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP"); | |
94 | ||
95 | fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ; | |
96 | fPulseGenerator = new AliPHOSPulseGenerator(); | |
97 | GetCalibrationParameters() ; | |
98 | ||
99 | fRawStream = new AliCaloRawStreamV3(rawReader,"PHOS",mapping); | |
100 | ||
101 | } | |
102 | //-------------------------------------------------------------------------------------- | |
103 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRawDigiProducer &dp): | |
104 | TObject(), | |
105 | fEmcMinE(0.), | |
106 | fCpvMinE(0.), | |
107 | fSampleQualityCut(1.), | |
108 | fSampleToSec(0.), | |
109 | fEmcCrystals(0), | |
110 | fGeom(0), | |
111 | fPulseGenerator(0), | |
112 | fRawReader(0), | |
113 | fRawStream(0), | |
114 | fADCValuesLG(0), | |
115 | fADCValuesHG(0) | |
116 | ||
117 | { | |
118 | // Copy constructor | |
119 | ||
120 | fEmcMinE = dp.fEmcMinE ; | |
121 | fCpvMinE = dp.fCpvMinE ; | |
122 | fSampleQualityCut = dp.fSampleQualityCut; | |
123 | fSampleToSec = dp.fSampleToSec ; | |
124 | fEmcCrystals = dp.fEmcCrystals ; | |
125 | fPulseGenerator = new AliPHOSPulseGenerator(); | |
126 | fGeom = dp.fGeom ; | |
127 | } | |
128 | //-------------------------------------------------------------------------------------- | |
129 | AliPHOSRawDigiProducer& AliPHOSRawDigiProducer::operator= (const AliPHOSRawDigiProducer &dp) | |
130 | { | |
131 | // Assign operator | |
132 | ||
133 | if(&dp == this) return *this; | |
134 | ||
135 | fEmcMinE = dp.fEmcMinE ; | |
136 | fCpvMinE = dp.fCpvMinE ; | |
137 | fSampleQualityCut = dp.fSampleQualityCut ; | |
138 | fSampleToSec = dp.fSampleToSec ; | |
139 | fEmcCrystals = dp.fEmcCrystals ; | |
140 | fGeom = dp.fGeom ; | |
141 | if(fPulseGenerator) delete fPulseGenerator ; | |
142 | fPulseGenerator = new AliPHOSPulseGenerator(); | |
143 | return *this; | |
144 | } | |
145 | //-------------------------------------------------------------------------------------- | |
146 | AliPHOSRawDigiProducer::~AliPHOSRawDigiProducer() | |
147 | { | |
148 | // Destructor | |
149 | if(fPulseGenerator) delete fPulseGenerator ; | |
150 | fPulseGenerator=0 ; | |
151 | delete fRawStream; | |
152 | delete [] fADCValuesLG; | |
153 | delete [] fADCValuesHG; | |
154 | } | |
155 | //-------------------------------------------------------------------------------------- | |
156 | void AliPHOSRawDigiProducer::MakeDigits(TClonesArray *digits, AliPHOSRawFitterv0* fitter) | |
157 | { | |
158 | //Makes the job. | |
159 | //TClonesArray *digits and raw data fitter should be provided by calling function. | |
160 | ||
161 | digits->Clear(); | |
162 | ||
163 | Int_t iDigit=0 ; | |
164 | Int_t relId[4], absId=-1, caloFlag=-1; | |
165 | ||
166 | const Double_t baseLine=1. ; //Minimal energy of digit in ADC ch. | |
167 | ||
168 | //Calculate conversion coeff. from Sample time step to seconds | |
169 | //If OCDB contains negative or zero value - use one from RCU trailer | |
170 | //Negative value in OCDB is used only for simulation of raw digits | |
171 | if(fgCalibData->GetSampleTimeStep()>0.) | |
172 | fSampleToSec=fgCalibData->GetSampleTimeStep() ; | |
173 | else | |
174 | fSampleToSec=fRawStream->GetTSample() ; | |
175 | ||
176 | //Temporary array for LowGain digits | |
177 | TClonesArray tmpLG("AliPHOSDigit",10000) ; | |
178 | Int_t ilgDigit=0 ; | |
179 | ||
180 | //Let fitter subtract pedestals in case of ZS | |
181 | fitter->SetCalibData(fgCalibData) ; | |
182 | ||
183 | while (fRawStream->NextDDL()) { | |
184 | while (fRawStream->NextChannel()) { | |
185 | relId[0] = 5 - fRawStream->GetModule() ; // counts from 1 to 5 | |
186 | relId[1] = 0; | |
187 | relId[2] = fRawStream->GetCellX() + 1; // counts from 1 to 64 | |
188 | relId[3] = fRawStream->GetCellZ() + 1; // counts from 1 to 56 | |
189 | caloFlag = fRawStream->GetCaloFlag(); // 0=LG, 1=HG, 2=TRU | |
190 | ||
191 | if(caloFlag!=0 && caloFlag!=1) continue; //TRU data! | |
192 | ||
193 | fitter->SetChannelGeo(relId[0],relId[2],relId[3],caloFlag); | |
194 | ||
195 | if(fitter->GetAmpOffset()==0 && fitter->GetAmpThreshold()==0) { | |
196 | short value = fRawStream->GetAltroCFG1(); | |
197 | bool ZeroSuppressionEnabled = (value >> 15) & 0x1; | |
198 | if(ZeroSuppressionEnabled) { | |
199 | short offset = (value >> 10) & 0xf; | |
200 | short threshold = value & 0x3ff; | |
201 | fitter->SubtractPedestals(kFALSE); | |
202 | fitter->SetAmpOffset(offset); | |
203 | fitter->SetAmpThreshold(threshold); | |
204 | } | |
205 | } | |
206 | ||
207 | fGeom->RelToAbsNumbering(relId, absId); | |
208 | ||
209 | fitter->SetNBunches(0); | |
210 | Int_t sigStart =0 ; | |
211 | Int_t sigLength=0 ; | |
212 | while (fRawStream->NextBunch()) { //Take the first in time bunch | |
213 | const UShort_t *sig = fRawStream->GetSignals(); | |
214 | sigStart = fRawStream->GetStartTimeBin(); | |
215 | sigLength = fRawStream->GetBunchLength(); | |
216 | fitter->Eval(sig,sigStart,sigLength); | |
217 | if (caloFlag == AliCaloRawStreamV3::kLowGain) { | |
218 | delete [] fADCValuesLG; | |
219 | fADCValuesLG = new Int_t[sigLength]; | |
220 | for (Int_t i=0; i<sigLength; i++) | |
221 | fADCValuesLG[sigLength-i-1] = sig[i]; | |
222 | } | |
223 | else if (caloFlag == AliCaloRawStreamV3::kHighGain) { | |
224 | delete [] fADCValuesHG; | |
225 | fADCValuesHG = new Int_t[sigLength]; | |
226 | for (Int_t i=0; i<sigLength; i++) | |
227 | fADCValuesHG[sigLength-i-1] = sig[i]; | |
228 | } | |
229 | } // End of NextBunch() | |
230 | ||
231 | ||
232 | Double_t energy = fitter->GetEnergy() ; | |
233 | Double_t time = fitter->GetTime() ; | |
234 | if(energy<=baseLine) //in ADC channels | |
235 | continue ; | |
236 | ||
237 | //remove digits with bad shape. Fitter should calculate quality so that | |
238 | //in default case quality [0,1], while larger values of quality mean somehow | |
239 | //corrupted samples, 999 means obviously corrupted sample. | |
240 | //It is difficult to fit samples with overflow (even setting cut on overflow values) | |
241 | //because too few points are left to fit. So we do not evaluate samples with overflow | |
242 | ||
243 | if(fitter->GetSignalQuality() > fSampleQualityCut && !(fitter->IsOverflow())) | |
244 | continue ; | |
245 | ||
246 | energy = CalibrateE(energy,relId,!caloFlag) ; | |
247 | // time = CalibrateT(time,relId,lowGainFlag) ; | |
248 | ||
249 | //convert time from sample bin units to s | |
250 | time*=fSampleToSec ; | |
251 | ||
252 | if(energy <= 0.) | |
253 | continue; | |
254 | ||
255 | if (caloFlag == AliCaloRawStreamV3::kLowGain) { | |
256 | new(tmpLG[ilgDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time); | |
257 | if (sigLength>0 && fADCValuesLG!=0) | |
258 | dynamic_cast<AliPHOSDigit*>(tmpLG.At(ilgDigit))->SetALTROSamplesLG(sigLength,fADCValuesLG); | |
259 | ilgDigit++ ; | |
260 | } | |
261 | else if (caloFlag == AliCaloRawStreamV3::kHighGain) { | |
262 | if(fitter->IsOverflow()) //Keep this digit to replace it by Low Gain later. | |
263 | //If there is no LogGain it wil be removed by cut on Min E | |
264 | new((*digits)[iDigit]) AliPHOSDigit(-1,absId,-1.f,(Float_t)time); | |
265 | else | |
266 | new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time); | |
267 | if (sigLength>0 && fADCValuesHG!=0) | |
268 | dynamic_cast<AliPHOSDigit*>(digits->At(iDigit))->SetALTROSamplesHG(sigLength,fADCValuesHG); | |
269 | iDigit++; | |
270 | } | |
271 | } // End of NextChannel() | |
272 | ||
273 | //Now scan created LG and HG digits and keep only those which appeared in both lists | |
274 | //replace energy of HighGain digits only if there is overflow | |
275 | //negative energy (overflow) | |
276 | digits->Sort() ; | |
277 | tmpLG.Sort() ; | |
278 | Int_t iLG = 0; | |
279 | Int_t nLG1 = tmpLG.GetEntriesFast()-1 ; | |
280 | ||
281 | for(Int_t iDig=0 ; iDig < digits->GetEntriesFast() ; iDig++) { | |
282 | AliPHOSDigit * digHG = dynamic_cast<AliPHOSDigit*>(digits->At(iDig)) ; | |
283 | if (!digHG) continue; | |
284 | AliPHOSDigit * digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ; | |
285 | while(digLG && iLG<nLG1 && digHG->GetId()> digLG->GetId()){ | |
286 | iLG++ ; | |
287 | digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ; | |
288 | } | |
289 | absId=digHG->GetId() ; | |
290 | fGeom->AbsToRelNumbering(absId,relId) ; | |
291 | ||
292 | if(digLG && digHG->GetId() == digLG->GetId()){ //we found pair | |
293 | if(digHG->GetEnergy()<0.){ //This is overflow in HG | |
294 | digHG->SetTime(digLG->GetTime()) ; | |
295 | digHG->SetEnergy(digLG->GetEnergy()) ; | |
296 | } | |
297 | } | |
298 | else{ //no pair - remove | |
299 | if(digHG->GetEnergy()<0.) //no pair, in saturation | |
300 | digits->RemoveAt(iDig) ; | |
301 | } | |
302 | } | |
303 | } // End of NextDDL() | |
304 | ||
305 | CleanDigits(digits) ; | |
306 | ||
307 | } | |
308 | //____________________________________________________________________________ | |
309 | Double_t AliPHOSRawDigiProducer::CalibrateE(Double_t amp, Int_t* relId, Bool_t isLowGain) | |
310 | { | |
311 | // Convert EMC LG amplitude to HG (multipli by ~16) | |
312 | // Calibration parameters are taken from calibration data base | |
313 | if(fgCalibData){ | |
314 | Int_t module = relId[0]; | |
315 | Int_t column = relId[3]; | |
316 | Int_t row = relId[2]; | |
317 | if(relId[1]==0) { // this is EMC | |
318 | if(isLowGain){ | |
319 | amp*= fgCalibData->GetHighLowRatioEmc(module,column,row); | |
320 | } | |
321 | return amp ; | |
322 | } | |
323 | } | |
324 | return 0; | |
325 | } | |
326 | //____________________________________________________________________________ | |
327 | Double_t AliPHOSRawDigiProducer::CalibrateT(Double_t time, Int_t * relId, Bool_t /* isLowGain */) | |
328 | { | |
329 | //Calibrate time | |
330 | time*=fPulseGenerator->GetRawFormatTimeTrigger() ; | |
331 | if(fgCalibData){ | |
332 | Int_t module = relId[0]; | |
333 | Int_t column = relId[3]; | |
334 | Int_t row = relId[2]; | |
335 | if(relId[1]==0) { // this is EMC | |
336 | time += fgCalibData->GetTimeShiftEmc(module,column,row); | |
337 | return time ; | |
338 | } | |
339 | } | |
340 | ||
341 | return -999.; | |
342 | } | |
343 | //____________________________________________________________________________ | |
344 | void AliPHOSRawDigiProducer::CleanDigits(TClonesArray * digits) | |
345 | { | |
346 | // remove digits with amplitudes below threshold. | |
347 | // remove digits in bad channels | |
348 | // sort digits with icreasing AbsId | |
349 | ||
350 | //remove digits in bad map and below threshold | |
351 | Bool_t isBadMap = 0 ; | |
352 | if(fgCalibData->GetNumOfEmcBadChannels()){ | |
353 | isBadMap=1 ; | |
354 | } | |
355 | ||
356 | for(Int_t i=0; i<digits->GetEntriesFast(); i++){ | |
357 | AliPHOSDigit * digit = static_cast<AliPHOSDigit*>(digits->At(i)) ; | |
358 | if(!digit) | |
359 | continue ; | |
360 | if ( (IsInEMC(digit) && digit->GetEnergy() < fEmcMinE) || | |
361 | (IsInCPV(digit) && digit->GetEnergy() < fCpvMinE) ){ | |
362 | digits->RemoveAt(i) ; | |
363 | continue ; | |
364 | } | |
365 | if(isBadMap){ //check bad map now | |
366 | Int_t relid[4] ; | |
367 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
368 | if(fgCalibData->IsBadChannelEmc(relid[0],relid[3],relid[2])){ | |
369 | digits->RemoveAt(i) ; | |
370 | } | |
371 | } | |
372 | } | |
373 | ||
374 | //Compress, sort and set indexes | |
375 | digits->Compress() ; | |
376 | // digits->Sort(); already sorted earlier | |
377 | for (Int_t i = 0 ; i < digits->GetEntriesFast() ; i++) { | |
378 | AliPHOSDigit *digit = static_cast<AliPHOSDigit*>( digits->At(i) ) ; | |
379 | digit->SetIndexInList(i) ; | |
380 | } | |
381 | } | |
382 | //____________________________________________________________________________ | |
383 | Bool_t AliPHOSRawDigiProducer::IsInEMC(AliPHOSDigit * digit) const | |
384 | { | |
385 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module | |
386 | return digit->GetId() <= fEmcCrystals ; | |
387 | ||
388 | } | |
389 | ||
390 | //____________________________________________________________________________ | |
391 | Bool_t AliPHOSRawDigiProducer::IsInCPV(AliPHOSDigit * digit) const | |
392 | { | |
393 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module | |
394 | return digit->GetId() > fEmcCrystals ; | |
395 | } | |
396 | //____________________________________________________________________________ | |
397 | void AliPHOSRawDigiProducer::GetCalibrationParameters() | |
398 | { | |
399 | // Set calibration parameters: | |
400 | // if calibration database exists, they are read from database, | |
401 | // otherwise, reconstruction stops in the constructor of AliPHOSCalibData | |
402 | // | |
403 | // It is a user responsilibity to open CDB before reconstruction, for example: | |
404 | // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB"); | |
405 | ||
406 | if (!fgCalibData){ | |
407 | fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number | |
408 | } | |
409 | if (fgCalibData->GetCalibDataEmc() == 0) | |
410 | AliFatal("Calibration parameters for PHOS EMC not found. Stop reconstruction.\n"); | |
411 | if (fgCalibData->GetCalibDataCpv() == 0) | |
412 | AliFatal("Calibration parameters for PHOS CPV not found. Stop reconstruction.\n"); | |
413 | } |