fatal error in case OCDB entry with alignment objects is not found for one or more...
[u/mrichter/AliRoot.git] / PHOS / AliPHOSRawDigiProducer.cxx
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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
379c5c09 19//using AliPHOSRawFitter.
7bc140a5 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"
379c5c09 37#include "AliPHOSRawFitterv0.h"
88fb5e50 38#include "AliPHOSGeometry.h"
39#include "AliPHOSDigit.h"
c0394bfb 40#include "AliPHOSCalibData.h"
39569d36 41#include "AliPHOSPulseGenerator.h"
379c5c09 42#include "AliCaloRawStreamV3.h"
c0394bfb 43#include "AliLog.h"
88fb5e50 44
45ClassImp(AliPHOSRawDigiProducer)
46
c0394bfb 47AliPHOSCalibData * AliPHOSRawDigiProducer::fgCalibData = 0 ;
48
49//--------------------------------------------------------------------------------------
7e88424f 50AliPHOSRawDigiProducer::AliPHOSRawDigiProducer():
51 TObject(),
52 fEmcMinE(0.),
53 fCpvMinE(0.),
54 fSampleQualityCut(1.),
55 fEmcCrystals(0),
56 fGeom(0),
379c5c09 57 fPulseGenerator(0),
58 fRawReader(0),
59 fRawStream(0)
7e88424f 60{
61 // Default constructor
70d93620 62
c0394bfb 63 fGeom=AliPHOSGeometry::GetInstance() ;
64 if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP");
65
66 fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ;
39569d36 67 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 68 GetCalibrationParameters() ;
8be3a30a 69
c0394bfb 70}
379c5c09 71//--------------------------------------------------------------------------------------
72AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(AliRawReader *rawReader,
73 AliAltroMapping **mapping):
74 TObject(),
75 fEmcMinE(0.),
76 fCpvMinE(0.),
77 fSampleQualityCut(1.),
78 fEmcCrystals(0),
79 fGeom(0),
80 fPulseGenerator(0),
81 fRawReader(rawReader),
82 fRawStream(0)
83{
84 // Default constructor
85
86 fGeom=AliPHOSGeometry::GetInstance() ;
87 if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP");
88
89 fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ;
90 fPulseGenerator = new AliPHOSPulseGenerator();
91 GetCalibrationParameters() ;
92
93 fRawStream = new AliCaloRawStreamV3(rawReader,"PHOS",mapping);
94
95}
96//--------------------------------------------------------------------------------------
7e88424f 97AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRawDigiProducer &dp):
98 TObject(),
99 fEmcMinE(0.),
100 fCpvMinE(0.),
101 fSampleQualityCut(1.),
102 fEmcCrystals(0),
103 fGeom(0),
379c5c09 104 fPulseGenerator(0),
105 fRawReader(0),
106 fRawStream(0)
7e88424f 107{
108 // Copy constructor
c0394bfb 109
110 fEmcMinE = dp.fEmcMinE ;
111 fCpvMinE = dp.fCpvMinE ;
f78c9781 112 fSampleQualityCut = dp.fSampleQualityCut;
c0394bfb 113 fEmcCrystals = dp.fEmcCrystals ;
39569d36 114 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 115 fGeom = dp.fGeom ;
116}
117//--------------------------------------------------------------------------------------
7e88424f 118AliPHOSRawDigiProducer& AliPHOSRawDigiProducer::operator= (const AliPHOSRawDigiProducer &dp)
119{
120 // Assign operator
121
c0394bfb 122 if(&dp == this) return *this;
123
124 fEmcMinE = dp.fEmcMinE ;
125 fCpvMinE = dp.fCpvMinE ;
70d93620 126 fSampleQualityCut = dp.fSampleQualityCut ;
c0394bfb 127 fEmcCrystals = dp.fEmcCrystals ;
128 fGeom = dp.fGeom ;
39569d36 129 if(fPulseGenerator) delete fPulseGenerator ;
130 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 131 return *this;
132}
379c5c09 133//--------------------------------------------------------------------------------------
7e88424f 134AliPHOSRawDigiProducer::~AliPHOSRawDigiProducer()
135{
379c5c09 136 // Destructor
7e88424f 137 if(fPulseGenerator) delete fPulseGenerator ;
138 fPulseGenerator=0 ;
379c5c09 139 delete fRawStream;
39569d36 140}
7bc140a5 141//--------------------------------------------------------------------------------------
379c5c09 142void AliPHOSRawDigiProducer::MakeDigits(TClonesArray *digits, AliPHOSRawFitterv0* fitter)
88fb5e50 143{
7bc140a5 144 //Makes the job.
379c5c09 145 //TClonesArray *digits and raw data fitter should be provided by calling function.
7bc140a5 146
88fb5e50 147 digits->Clear();
148
379c5c09 149 Int_t iDigit=0 ;
150 Int_t relId[4], absId=-1, caloFlag=-1;
fdd91c5a 151
c0394bfb 152 const Double_t baseLine=1. ; //Minimal energy of digit in ADC ch.
fdd91c5a 153
c0394bfb 154 //Temporary array for LowGain digits
155 TClonesArray tmpLG("AliPHOSDigit",10000) ;
156 Int_t ilgDigit=0 ;
bafc1087 157
379c5c09 158 //Let fitter subtract pedestals in case of ZS
159 fitter->SetCalibData(fgCalibData) ;
c0394bfb 160
379c5c09 161 while (fRawStream->NextDDL()) {
162 while (fRawStream->NextChannel()) {
1281504a 163 relId[0] = fRawStream->GetModule() + 1; // counts from 1 to 5
379c5c09 164 relId[1] = 0;
1281504a 165 relId[2] = fRawStream->GetCellX() + 1; // counts from 1 to 64
166 relId[3] = fRawStream->GetCellZ() + 1; // counts from 1 to 56
167 caloFlag = fRawStream->GetCaloFlag(); // 0=LG, 1=HG, 2=TRU
379c5c09 168 fGeom->RelToAbsNumbering(relId, absId);
1267d56d 169
379c5c09 170 Int_t nBunches = 0;
171 while (fRawStream->NextBunch()) {
172 nBunches++;
173 if (nBunches > 1) continue;
174 const UShort_t *sig = fRawStream->GetSignals();
175 Int_t sigStart = fRawStream->GetStartTimeBin();
176 Int_t sigLength = fRawStream->GetBunchLength();
92236b27 177 fitter->SetChannelGeo(relId[0],relId[2],relId[3],caloFlag);
178 fitter->Eval(sig,sigStart,sigLength);
379c5c09 179 } // End of NextBunch()
70d93620 180
379c5c09 181 fitter->SetNBunches(nBunches);
379c5c09 182
183 Double_t energy = fitter->GetEnergy() ;
184 Double_t time = fitter->GetTime() ;
185 if(energy<=baseLine) //in ADC channels
186 continue ;
88fb5e50 187
379c5c09 188 //remove digits with bad shape. Fitter should calculate quality so that
189 //in default case quality [0,1], while larger values of quality mean somehow
190 //corrupted samples, 999 means obviously corrupted sample.
191 //It is difficult to fit samples with overflow (even setting cut on overflow values)
192 //because too few points are left to fit. So we do not evaluate samples with overflow
c0394bfb 193
379c5c09 194 if(fitter->GetSignalQuality() > fSampleQualityCut && !(fitter->IsOverflow()))
195 continue ;
196
197// energy = CalibrateE(energy,relId,lowGainFlag) ;
198// time = CalibrateT(time,relId,lowGainFlag) ;
199
200 if(energy <= 0.)
201 continue;
202
203 if (caloFlag == AliCaloRawStreamV3::kLowGain) {
204 new(tmpLG[ilgDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
205 ilgDigit++ ;
206 }
207 else if (caloFlag == AliCaloRawStreamV3::kHighGain) {
208 if(fitter->IsOverflow()) //Keep this digit to replace it by Low Gain later.
209 //If there is no LogGain it wil be removed by cut on Min E
210 new((*digits)[iDigit]) AliPHOSDigit(-1,absId,-1.f,(Float_t)time);
211 else
212 new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
213 iDigit++;
214 }
215 } // End of NextChannel()
c0394bfb 216
379c5c09 217 //Now scan created LG and HG digits and keep only those which appeared in both lists
218 //replace energy of HighGain digits only if there is overflow
219 //negative energy (overflow)
220 digits->Sort() ;
221 tmpLG.Sort() ;
222 Int_t iLG = 0;
223 Int_t nLG1 = tmpLG.GetEntriesFast()-1 ;
224
225 for(Int_t iDig=0 ; iDig < digits->GetEntriesFast() ; iDig++) {
226 AliPHOSDigit * digHG = dynamic_cast<AliPHOSDigit*>(digits->At(iDig)) ;
227 if (!digHG) continue;
228 AliPHOSDigit * digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
229 while(digLG && iLG<nLG1 && digHG->GetId()> digLG->GetId()){
230 iLG++ ;
231 digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
232 }
233 absId=digHG->GetId() ;
234 fGeom->AbsToRelNumbering(absId,relId) ;
a7c985dc 235
379c5c09 236 if(digLG && digHG->GetId() == digLG->GetId()){ //we found pair
237 if(digHG->GetEnergy()<0.){ //This is overflow in HG
238 digHG->SetTime(digLG->GetTime()) ;
239 digHG->SetEnergy(digLG->GetEnergy()) ;
240 }
379c5c09 241 }
242 else{ //no pair - remove
fdd91c5a 243 if(digHG->GetEnergy()<0.) //no pair, in saturation
244 digits->RemoveAt(iDig) ;
88fb5e50 245 }
88fb5e50 246 }
379c5c09 247 } // End of NextDDL()
c0394bfb 248
249 CleanDigits(digits) ;
379c5c09 250
c0394bfb 251}
252//____________________________________________________________________________
253Double_t AliPHOSRawDigiProducer::CalibrateE(Double_t amp, Int_t* relId, Bool_t isLowGain)
254{
634d2178 255 // Convert EMC LG amplitude to HG (multipli by ~16)
256 // Calibration parameters are taken from calibration data base
c0394bfb 257 if(fgCalibData){
258 Int_t module = relId[0];
259 Int_t column = relId[3];
260 Int_t row = relId[2];
261 if(relId[1]==0) { // this is EMC
262 if(isLowGain){
263 amp*= fgCalibData->GetHighLowRatioEmc(module,column,row);
88fb5e50 264 }
c0394bfb 265 return amp ;
266 }
267 }
268 return 0;
269}
270//____________________________________________________________________________
271Double_t AliPHOSRawDigiProducer::CalibrateT(Double_t time, Int_t * relId, Bool_t /* isLowGain */)
272{
273 //Calibrate time
39569d36 274 time*=fPulseGenerator->GetRawFormatTimeTrigger() ;
c0394bfb 275 if(fgCalibData){
276 Int_t module = relId[0];
277 Int_t column = relId[3];
278 Int_t row = relId[2];
279 if(relId[1]==0) { // this is EMC
280 time += fgCalibData->GetTimeShiftEmc(module,column,row);
281 return time ;
282 }
283 }
284
285 return -999.;
286}
287//____________________________________________________________________________
288void AliPHOSRawDigiProducer::CleanDigits(TClonesArray * digits)
289{
290 // remove digits with amplitudes below threshold.
291 // remove digits in bad channels
292 // sort digits with icreasing AbsId
293
294 //remove digits in bad map and below threshold
295 Bool_t isBadMap = 0 ;
296 if(fgCalibData->GetNumOfEmcBadChannels()){
297 isBadMap=1 ;
298 }
299
300 for(Int_t i=0; i<digits->GetEntriesFast(); i++){
301 AliPHOSDigit * digit = static_cast<AliPHOSDigit*>(digits->At(i)) ;
302 if(!digit)
303 continue ;
304 if ( (IsInEMC(digit) && digit->GetEnergy() < fEmcMinE) ||
305 (IsInCPV(digit) && digit->GetEnergy() < fCpvMinE) ){
306 digits->RemoveAt(i) ;
307 continue ;
308 }
309 if(isBadMap){ //check bad map now
310 Int_t relid[4] ;
311 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
a65517aa 312 if(fgCalibData->IsBadChannelEmc(relid[0],relid[3],relid[2])){
c0394bfb 313 digits->RemoveAt(i) ;
88fb5e50 314 }
315 }
88fb5e50 316 }
317
c0394bfb 318 //Compress, sort and set indexes
319 digits->Compress() ;
320// digits->Sort(); already sorted earlier
321 for (Int_t i = 0 ; i < digits->GetEntriesFast() ; i++) {
322 AliPHOSDigit *digit = static_cast<AliPHOSDigit*>( digits->At(i) ) ;
323 digit->SetIndexInList(i) ;
324 }
325}
326//____________________________________________________________________________
327Bool_t AliPHOSRawDigiProducer::IsInEMC(AliPHOSDigit * digit) const
328{
329 // Tells if (true) or not (false) the digit is in a PHOS-EMC module
330 return digit->GetId() <= fEmcCrystals ;
331
332}
333
334//____________________________________________________________________________
335Bool_t AliPHOSRawDigiProducer::IsInCPV(AliPHOSDigit * digit) const
336{
337 // Tells if (true) or not (false) the digit is in a PHOS-CPV module
338 return digit->GetId() > fEmcCrystals ;
339}
340//____________________________________________________________________________
341void AliPHOSRawDigiProducer::GetCalibrationParameters()
342{
343 // Set calibration parameters:
344 // if calibration database exists, they are read from database,
345 // otherwise, reconstruction stops in the constructor of AliPHOSCalibData
346 //
347 // It is a user responsilibity to open CDB before reconstruction, for example:
348 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
349
350 if (!fgCalibData){
351 fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number
352 }
353 if (fgCalibData->GetCalibDataEmc() == 0)
354 AliFatal("Calibration parameters for PHOS EMC not found. Stop reconstruction.\n");
355 if (fgCalibData->GetCalibDataCpv() == 0)
356 AliFatal("Calibration parameters for PHOS CPV not found. Stop reconstruction.\n");
88fb5e50 357}