]>
Commit | Line | Data |
---|---|---|
7bc140a5 | 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 AliPHOSRawDecoder. | |
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 --- | |
88fb5e50 | 33 | #include "TClonesArray.h" |
34 | ||
7bc140a5 | 35 | // --- AliRoot header files --- |
88fb5e50 | 36 | #include "AliPHOSRawDigiProducer.h" |
37 | #include "AliPHOSRawDecoder.h" | |
38 | #include "AliPHOSGeometry.h" | |
39 | #include "AliPHOSDigit.h" | |
c0394bfb | 40 | #include "AliPHOSRecoParam.h" |
41 | #include "AliPHOSCalibData.h" | |
39569d36 | 42 | #include "AliPHOSPulseGenerator.h" |
c0394bfb | 43 | #include "AliLog.h" |
88fb5e50 | 44 | |
45 | ClassImp(AliPHOSRawDigiProducer) | |
46 | ||
c0394bfb | 47 | AliPHOSCalibData * AliPHOSRawDigiProducer::fgCalibData = 0 ; |
48 | ||
49 | //-------------------------------------------------------------------------------------- | |
7e88424f | 50 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(): |
51 | TObject(), | |
52 | fEmcMinE(0.), | |
53 | fCpvMinE(0.), | |
54 | fSampleQualityCut(1.), | |
bafc1087 | 55 | fGlobalAltroOffset(0), |
7e88424f | 56 | fEmcCrystals(0), |
57 | fGeom(0), | |
58 | fPulseGenerator(0) | |
59 | { | |
60 | // Default constructor | |
c0394bfb | 61 | } |
62 | //-------------------------------------------------------------------------------------- | |
7e88424f | 63 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRecoParam* recoParam): |
64 | TObject(), | |
65 | fEmcMinE(0.), | |
66 | fCpvMinE(0.), | |
67 | fSampleQualityCut(1.), | |
bafc1087 | 68 | fGlobalAltroOffset(0), |
7e88424f | 69 | fEmcCrystals(0), |
70 | fGeom(0), | |
71 | fPulseGenerator(0) | |
72 | { | |
73 | // Constructor takes paramerters from recoParam | |
c0394bfb | 74 | |
7e88424f | 75 | if(!recoParam) AliFatal("Reconstruction parameters are not set!"); |
c0394bfb | 76 | |
7e88424f | 77 | fEmcMinE = recoParam->GetEMCMinE(); |
78 | fCpvMinE = recoParam->GetCPVMinE(); | |
7e88424f | 79 | fSampleQualityCut = recoParam->GetEMCSampleQualityCut() ; |
bafc1087 | 80 | fGlobalAltroOffset = recoParam->GetGlobalAltroOffset() ; |
70d93620 | 81 | |
c0394bfb | 82 | fGeom=AliPHOSGeometry::GetInstance() ; |
83 | if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP"); | |
84 | ||
85 | fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ; | |
86 | ||
39569d36 | 87 | fPulseGenerator = new AliPHOSPulseGenerator(); |
88 | ||
c0394bfb | 89 | GetCalibrationParameters() ; |
90 | } | |
91 | //-------------------------------------------------------------------------------------- | |
7e88424f | 92 | AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRawDigiProducer &dp): |
93 | TObject(), | |
94 | fEmcMinE(0.), | |
95 | fCpvMinE(0.), | |
96 | fSampleQualityCut(1.), | |
bafc1087 | 97 | fGlobalAltroOffset(0), |
7e88424f | 98 | fEmcCrystals(0), |
99 | fGeom(0), | |
100 | fPulseGenerator(0) | |
101 | { | |
102 | // Copy constructor | |
c0394bfb | 103 | |
104 | fEmcMinE = dp.fEmcMinE ; | |
105 | fCpvMinE = dp.fCpvMinE ; | |
106 | fEmcCrystals = dp.fEmcCrystals ; | |
39569d36 | 107 | fPulseGenerator = new AliPHOSPulseGenerator(); |
c0394bfb | 108 | fGeom = dp.fGeom ; |
109 | } | |
110 | //-------------------------------------------------------------------------------------- | |
7e88424f | 111 | AliPHOSRawDigiProducer& AliPHOSRawDigiProducer::operator= (const AliPHOSRawDigiProducer &dp) |
112 | { | |
113 | // Assign operator | |
114 | ||
c0394bfb | 115 | if(&dp == this) return *this; |
116 | ||
117 | fEmcMinE = dp.fEmcMinE ; | |
118 | fCpvMinE = dp.fCpvMinE ; | |
70d93620 | 119 | fSampleQualityCut = dp.fSampleQualityCut ; |
bafc1087 | 120 | fGlobalAltroOffset = dp.fGlobalAltroOffset ; |
c0394bfb | 121 | fEmcCrystals = dp.fEmcCrystals ; |
122 | fGeom = dp.fGeom ; | |
39569d36 | 123 | if(fPulseGenerator) delete fPulseGenerator ; |
124 | fPulseGenerator = new AliPHOSPulseGenerator(); | |
c0394bfb | 125 | return *this; |
126 | } | |
39569d36 | 127 | //-------------------------------------------------------------------------------------- |
7e88424f | 128 | AliPHOSRawDigiProducer::~AliPHOSRawDigiProducer() |
129 | { | |
130 | // Desctructor | |
131 | if(fPulseGenerator) delete fPulseGenerator ; | |
132 | fPulseGenerator=0 ; | |
39569d36 | 133 | } |
7bc140a5 | 134 | //-------------------------------------------------------------------------------------- |
88fb5e50 | 135 | void AliPHOSRawDigiProducer::MakeDigits(TClonesArray *digits, AliPHOSRawDecoder* decoder) |
136 | { | |
7bc140a5 | 137 | //Makes the job. |
138 | //TClonesArray *digits and raw data decoder should be provided by calling function. | |
139 | ||
88fb5e50 | 140 | digits->Clear(); |
141 | ||
88fb5e50 | 142 | Int_t iDigit = 0 ; |
88fb5e50 | 143 | Int_t relId[4], absId =0; |
144 | ||
c0394bfb | 145 | const Double_t baseLine=1. ; //Minimal energy of digit in ADC ch. |
a7c985dc | 146 | const Double_t highLowDiff=2.; //Maximal difference between High and Low channels in LG adc channels |
88fb5e50 | 147 | |
c0394bfb | 148 | //Temporary array for LowGain digits |
149 | TClonesArray tmpLG("AliPHOSDigit",10000) ; | |
150 | Int_t ilgDigit=0 ; | |
bafc1087 | 151 | |
152 | ||
153 | //Read current altro offcet from RCU | |
154 | decoder->SetAmpOffset(fGlobalAltroOffset) ; | |
155 | ||
156 | //Let decoder subtract pedestals in case of ZS | |
157 | decoder->SetCalibData(fgCalibData) ; | |
c0394bfb | 158 | |
159 | while (decoder->NextDigit()) { | |
34827459 | 160 | |
c0394bfb | 161 | Double_t energy=decoder->GetEnergy() ; |
162 | if(energy<=baseLine) //in ADC channels | |
163 | continue ; | |
1267d56d | 164 | |
7e88424f | 165 | //remove digits with bad shape. Decoder should calculate quality so that |
70d93620 | 166 | //in default case quality [0,1], while larger values of quality mean somehow |
167 | //corrupted samples, 999 means obviously corrupted sample. | |
a7c985dc | 168 | //It is difficult to fit samples with overflow (even setting cut on overflow values) |
169 | //because too few points are left to fit. So we do not evaluate samples with overflow | |
170 | if(decoder->GetSampleQuality() > fSampleQualityCut && !(decoder->IsOverflow())) | |
70d93620 | 171 | continue ; |
172 | ||
c0394bfb | 173 | Bool_t lowGainFlag = decoder->IsLowGain(); |
88fb5e50 | 174 | |
175 | relId[0] = decoder->GetModule(); | |
176 | relId[1] = 0; | |
177 | relId[2] = decoder->GetRow(); | |
178 | relId[3] = decoder->GetColumn(); | |
c0394bfb | 179 | fGeom->RelToAbsNumbering(relId, absId); |
180 | ||
181 | Double_t time = decoder->GetTime() ; | |
182 | time = CalibrateT(time,relId,lowGainFlag) ; | |
183 | ||
184 | energy = CalibrateE(energy,relId,lowGainFlag) ; | |
185 | ||
186 | if(energy <= 0.) | |
187 | continue; | |
188 | ||
189 | if(lowGainFlag){ | |
7899109f | 190 | new(tmpLG[ilgDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time); |
c0394bfb | 191 | ilgDigit++ ; |
192 | } | |
193 | else{ | |
194 | if(decoder->IsOverflow()) //Keep this digit to replace it by Low Gain later. | |
195 | //If there is no LogGain it wil be removed by cut on Min E | |
7899109f | 196 | new((*digits)[iDigit]) AliPHOSDigit(-1,absId,-1.f,(Float_t)time); |
c0394bfb | 197 | else |
7899109f | 198 | new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time); |
199 | iDigit++; | |
c0394bfb | 200 | } |
201 | } | |
202 | ||
203 | //Now scan created LG and HG digits and keep only those which appeared in both lists | |
204 | //replace energy of HighGain digits only if there is overflow | |
205 | //negative energy (overflow) | |
206 | digits->Sort() ; | |
207 | tmpLG.Sort() ; | |
208 | Int_t iLG = 0; | |
209 | Int_t nLG1 = tmpLG.GetEntriesFast()-1 ; | |
39569d36 | 210 | |
c0394bfb | 211 | for(Int_t iDig=0 ; iDig < digits->GetEntriesFast() ; iDig++) { |
212 | AliPHOSDigit * digHG = dynamic_cast<AliPHOSDigit*>(digits->At(iDig)) ; | |
7899109f | 213 | if (!digHG) continue; |
c0394bfb | 214 | AliPHOSDigit * digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ; |
a7c985dc | 215 | while(digLG && iLG<nLG1 && digHG->GetId()> digLG->GetId()){ |
c0394bfb | 216 | iLG++ ; |
217 | digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ; | |
218 | } | |
605cb8bb | 219 | absId=digHG->GetId() ; |
a7c985dc | 220 | fGeom->AbsToRelNumbering(absId,relId) ; |
221 | ||
7899109f | 222 | if(digLG && digHG->GetId() == digLG->GetId()){ //we found pair |
c0394bfb | 223 | if(digHG->GetEnergy()<0.){ //This is overflow in HG |
7899109f | 224 | digHG->SetTime(digLG->GetTime()) ; |
225 | digHG->SetEnergy(digLG->GetEnergy()) ; | |
c0394bfb | 226 | } |
227 | else{ //Make approximate comparison of HG and LG energies | |
a7c985dc | 228 | Double_t de = (digHG->GetEnergy()-digLG->GetEnergy()) ; |
229 | if(TMath::Abs(de)>CalibrateE(double(highLowDiff),relId,1)){ //too strong difference, remove digit | |
c0394bfb | 230 | digits->RemoveAt(iDig) ; |
88fb5e50 | 231 | } |
232 | } | |
88fb5e50 | 233 | } |
c0394bfb | 234 | else{ //no pair - remove |
235 | // temporary fix for dead LG channels | |
c0394bfb | 236 | if(relId[2]%2==1 && relId[3]%16==4) |
237 | continue ; | |
a7c985dc | 238 | if(digHG->GetEnergy()>CalibrateE(double(5.),relId,1)) //One can not always find LG with Amp<5 ADC ch. |
39569d36 | 239 | digits->RemoveAt(iDig) ; |
c0394bfb | 240 | } |
241 | } | |
242 | ||
243 | CleanDigits(digits) ; | |
244 | ||
245 | } | |
246 | //____________________________________________________________________________ | |
247 | Double_t AliPHOSRawDigiProducer::CalibrateE(Double_t amp, Int_t* relId, Bool_t isLowGain) | |
248 | { | |
249 | // Convert EMC measured amplitude into real energy. | |
250 | // Calibration parameters are taken from calibration data base for raw data, | |
251 | // or from digitizer parameters for simulated data. | |
252 | if(fgCalibData){ | |
253 | Int_t module = relId[0]; | |
254 | Int_t column = relId[3]; | |
255 | Int_t row = relId[2]; | |
256 | if(relId[1]==0) { // this is EMC | |
257 | if(isLowGain){ | |
258 | amp*= fgCalibData->GetHighLowRatioEmc(module,column,row); | |
88fb5e50 | 259 | } |
c0394bfb | 260 | amp *= fgCalibData->GetADCchannelEmc(module,column,row); |
261 | return amp ; | |
262 | } | |
263 | } | |
264 | return 0; | |
265 | } | |
266 | //____________________________________________________________________________ | |
267 | Double_t AliPHOSRawDigiProducer::CalibrateT(Double_t time, Int_t * relId, Bool_t /* isLowGain */) | |
268 | { | |
269 | //Calibrate time | |
39569d36 | 270 | time*=fPulseGenerator->GetRawFormatTimeTrigger() ; |
c0394bfb | 271 | if(fgCalibData){ |
272 | Int_t module = relId[0]; | |
273 | Int_t column = relId[3]; | |
274 | Int_t row = relId[2]; | |
275 | if(relId[1]==0) { // this is EMC | |
276 | time += fgCalibData->GetTimeShiftEmc(module,column,row); | |
277 | return time ; | |
278 | } | |
279 | } | |
280 | ||
281 | return -999.; | |
282 | } | |
283 | //____________________________________________________________________________ | |
284 | void AliPHOSRawDigiProducer::CleanDigits(TClonesArray * digits) | |
285 | { | |
286 | // remove digits with amplitudes below threshold. | |
287 | // remove digits in bad channels | |
288 | // sort digits with icreasing AbsId | |
289 | ||
290 | //remove digits in bad map and below threshold | |
291 | Bool_t isBadMap = 0 ; | |
292 | if(fgCalibData->GetNumOfEmcBadChannels()){ | |
293 | isBadMap=1 ; | |
294 | } | |
295 | ||
296 | for(Int_t i=0; i<digits->GetEntriesFast(); i++){ | |
297 | AliPHOSDigit * digit = static_cast<AliPHOSDigit*>(digits->At(i)) ; | |
298 | if(!digit) | |
299 | continue ; | |
300 | if ( (IsInEMC(digit) && digit->GetEnergy() < fEmcMinE) || | |
301 | (IsInCPV(digit) && digit->GetEnergy() < fCpvMinE) ){ | |
302 | digits->RemoveAt(i) ; | |
303 | continue ; | |
304 | } | |
305 | if(isBadMap){ //check bad map now | |
306 | Int_t relid[4] ; | |
307 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
a65517aa | 308 | if(fgCalibData->IsBadChannelEmc(relid[0],relid[3],relid[2])){ |
c0394bfb | 309 | digits->RemoveAt(i) ; |
88fb5e50 | 310 | } |
311 | } | |
88fb5e50 | 312 | } |
313 | ||
c0394bfb | 314 | //Compress, sort and set indexes |
315 | digits->Compress() ; | |
316 | // digits->Sort(); already sorted earlier | |
317 | for (Int_t i = 0 ; i < digits->GetEntriesFast() ; i++) { | |
318 | AliPHOSDigit *digit = static_cast<AliPHOSDigit*>( digits->At(i) ) ; | |
319 | digit->SetIndexInList(i) ; | |
320 | } | |
321 | } | |
322 | //____________________________________________________________________________ | |
323 | Bool_t AliPHOSRawDigiProducer::IsInEMC(AliPHOSDigit * digit) const | |
324 | { | |
325 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module | |
326 | return digit->GetId() <= fEmcCrystals ; | |
327 | ||
328 | } | |
329 | ||
330 | //____________________________________________________________________________ | |
331 | Bool_t AliPHOSRawDigiProducer::IsInCPV(AliPHOSDigit * digit) const | |
332 | { | |
333 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module | |
334 | return digit->GetId() > fEmcCrystals ; | |
335 | } | |
336 | //____________________________________________________________________________ | |
337 | void AliPHOSRawDigiProducer::GetCalibrationParameters() | |
338 | { | |
339 | // Set calibration parameters: | |
340 | // if calibration database exists, they are read from database, | |
341 | // otherwise, reconstruction stops in the constructor of AliPHOSCalibData | |
342 | // | |
343 | // It is a user responsilibity to open CDB before reconstruction, for example: | |
344 | // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB"); | |
345 | ||
346 | if (!fgCalibData){ | |
347 | fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number | |
348 | } | |
349 | if (fgCalibData->GetCalibDataEmc() == 0) | |
350 | AliFatal("Calibration parameters for PHOS EMC not found. Stop reconstruction.\n"); | |
351 | if (fgCalibData->GetCalibDataCpv() == 0) | |
352 | AliFatal("Calibration parameters for PHOS CPV not found. Stop reconstruction.\n"); | |
88fb5e50 | 353 | } |