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