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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.),
6f47f50d 55 fSampleToSec(0.),
7e88424f 56 fEmcCrystals(0),
57 fGeom(0),
379c5c09 58 fPulseGenerator(0),
59 fRawReader(0),
60 fRawStream(0)
7e88424f 61{
62 // Default constructor
70d93620 63
c0394bfb 64 fGeom=AliPHOSGeometry::GetInstance() ;
65 if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP");
66
67 fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ;
39569d36 68 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 69 GetCalibrationParameters() ;
8be3a30a 70
c0394bfb 71}
379c5c09 72//--------------------------------------------------------------------------------------
73AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(AliRawReader *rawReader,
74 AliAltroMapping **mapping):
75 TObject(),
76 fEmcMinE(0.),
77 fCpvMinE(0.),
78 fSampleQualityCut(1.),
6f47f50d 79 fSampleToSec(0.),
379c5c09 80 fEmcCrystals(0),
81 fGeom(0),
82 fPulseGenerator(0),
83 fRawReader(rawReader),
84 fRawStream(0)
85{
86 // Default constructor
87
88 fGeom=AliPHOSGeometry::GetInstance() ;
89 if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP");
90
91 fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ;
92 fPulseGenerator = new AliPHOSPulseGenerator();
93 GetCalibrationParameters() ;
94
95 fRawStream = new AliCaloRawStreamV3(rawReader,"PHOS",mapping);
96
97}
98//--------------------------------------------------------------------------------------
7e88424f 99AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRawDigiProducer &dp):
100 TObject(),
101 fEmcMinE(0.),
102 fCpvMinE(0.),
103 fSampleQualityCut(1.),
6f47f50d 104 fSampleToSec(0.),
7e88424f 105 fEmcCrystals(0),
106 fGeom(0),
379c5c09 107 fPulseGenerator(0),
108 fRawReader(0),
109 fRawStream(0)
7e88424f 110{
111 // Copy constructor
c0394bfb 112
113 fEmcMinE = dp.fEmcMinE ;
114 fCpvMinE = dp.fCpvMinE ;
f78c9781 115 fSampleQualityCut = dp.fSampleQualityCut;
6f47f50d 116 fSampleToSec = dp.fSampleToSec ;
c0394bfb 117 fEmcCrystals = dp.fEmcCrystals ;
39569d36 118 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 119 fGeom = dp.fGeom ;
120}
121//--------------------------------------------------------------------------------------
7e88424f 122AliPHOSRawDigiProducer& AliPHOSRawDigiProducer::operator= (const AliPHOSRawDigiProducer &dp)
123{
124 // Assign operator
125
c0394bfb 126 if(&dp == this) return *this;
127
128 fEmcMinE = dp.fEmcMinE ;
129 fCpvMinE = dp.fCpvMinE ;
70d93620 130 fSampleQualityCut = dp.fSampleQualityCut ;
6f47f50d 131 fSampleToSec = dp.fSampleToSec ;
c0394bfb 132 fEmcCrystals = dp.fEmcCrystals ;
133 fGeom = dp.fGeom ;
39569d36 134 if(fPulseGenerator) delete fPulseGenerator ;
135 fPulseGenerator = new AliPHOSPulseGenerator();
c0394bfb 136 return *this;
137}
379c5c09 138//--------------------------------------------------------------------------------------
7e88424f 139AliPHOSRawDigiProducer::~AliPHOSRawDigiProducer()
140{
379c5c09 141 // Destructor
7e88424f 142 if(fPulseGenerator) delete fPulseGenerator ;
143 fPulseGenerator=0 ;
379c5c09 144 delete fRawStream;
39569d36 145}
7bc140a5 146//--------------------------------------------------------------------------------------
379c5c09 147void AliPHOSRawDigiProducer::MakeDigits(TClonesArray *digits, AliPHOSRawFitterv0* fitter)
88fb5e50 148{
7bc140a5 149 //Makes the job.
379c5c09 150 //TClonesArray *digits and raw data fitter should be provided by calling function.
7bc140a5 151
88fb5e50 152 digits->Clear();
153
379c5c09 154 Int_t iDigit=0 ;
155 Int_t relId[4], absId=-1, caloFlag=-1;
fdd91c5a 156
c0394bfb 157 const Double_t baseLine=1. ; //Minimal energy of digit in ADC ch.
6f47f50d 158
159 //Calculate conversion coeff. from Sample time step to seconds
160 //If OCDB contains negative or zero value - use one from RCU trailer
161 //Negative value in OCDB is used only for simulation of raw digits
162 if(fgCalibData->GetSampleTimeStep()>0.)
163 fSampleToSec=fgCalibData->GetSampleTimeStep() ;
164 else
165 fSampleToSec=fRawStream->GetTSample() ;
fdd91c5a 166
c0394bfb 167 //Temporary array for LowGain digits
168 TClonesArray tmpLG("AliPHOSDigit",10000) ;
169 Int_t ilgDigit=0 ;
bafc1087 170
379c5c09 171 //Let fitter subtract pedestals in case of ZS
172 fitter->SetCalibData(fgCalibData) ;
c0394bfb 173
379c5c09 174 while (fRawStream->NextDDL()) {
175 while (fRawStream->NextChannel()) {
1281504a 176 relId[0] = fRawStream->GetModule() + 1; // counts from 1 to 5
379c5c09 177 relId[1] = 0;
1281504a 178 relId[2] = fRawStream->GetCellX() + 1; // counts from 1 to 64
179 relId[3] = fRawStream->GetCellZ() + 1; // counts from 1 to 56
180 caloFlag = fRawStream->GetCaloFlag(); // 0=LG, 1=HG, 2=TRU
f4ca5622 181
182 if(caloFlag!=0 && caloFlag!=1) continue; //TRU data!
183
e10f780e 184 fitter->SetChannelGeo(relId[0],relId[2],relId[3],caloFlag);
c4dad9d2 185 if(fitter->GetAmpOffset()==0 && fitter->GetAmpThreshold()==0) {
186 short value = fRawStream->GetAltroCFG1();
187 bool ZeroSuppressionEnabled = (value >> 15) & 0x1;
188 if(ZeroSuppressionEnabled) {
189 short offset = (value >> 10) & 0xf;
190 short threshold = value & 0x3ff;
191 fitter->SubtractPedestals(kFALSE);
192 fitter->SetAmpOffset(offset);
193 fitter->SetAmpThreshold(threshold);
194 }
195 }
196
379c5c09 197 fGeom->RelToAbsNumbering(relId, absId);
f4ca5622 198
379c5c09 199 Int_t nBunches = 0;
200 while (fRawStream->NextBunch()) {
201 nBunches++;
202 if (nBunches > 1) continue;
203 const UShort_t *sig = fRawStream->GetSignals();
204 Int_t sigStart = fRawStream->GetStartTimeBin();
205 Int_t sigLength = fRawStream->GetBunchLength();
92236b27 206 fitter->Eval(sig,sigStart,sigLength);
379c5c09 207 } // End of NextBunch()
70d93620 208
379c5c09 209 fitter->SetNBunches(nBunches);
379c5c09 210
211 Double_t energy = fitter->GetEnergy() ;
212 Double_t time = fitter->GetTime() ;
213 if(energy<=baseLine) //in ADC channels
214 continue ;
88fb5e50 215
379c5c09 216 //remove digits with bad shape. Fitter should calculate quality so that
217 //in default case quality [0,1], while larger values of quality mean somehow
218 //corrupted samples, 999 means obviously corrupted sample.
219 //It is difficult to fit samples with overflow (even setting cut on overflow values)
220 //because too few points are left to fit. So we do not evaluate samples with overflow
c0394bfb 221
379c5c09 222 if(fitter->GetSignalQuality() > fSampleQualityCut && !(fitter->IsOverflow()))
223 continue ;
224
225// energy = CalibrateE(energy,relId,lowGainFlag) ;
226// time = CalibrateT(time,relId,lowGainFlag) ;
6f47f50d 227
228 //convert time from sample bin units to s
229 time*=fSampleToSec ;
379c5c09 230
231 if(energy <= 0.)
232 continue;
233
234 if (caloFlag == AliCaloRawStreamV3::kLowGain) {
235 new(tmpLG[ilgDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
236 ilgDigit++ ;
237 }
238 else if (caloFlag == AliCaloRawStreamV3::kHighGain) {
239 if(fitter->IsOverflow()) //Keep this digit to replace it by Low Gain later.
240 //If there is no LogGain it wil be removed by cut on Min E
241 new((*digits)[iDigit]) AliPHOSDigit(-1,absId,-1.f,(Float_t)time);
242 else
243 new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
244 iDigit++;
245 }
246 } // End of NextChannel()
c0394bfb 247
379c5c09 248 //Now scan created LG and HG digits and keep only those which appeared in both lists
249 //replace energy of HighGain digits only if there is overflow
250 //negative energy (overflow)
251 digits->Sort() ;
252 tmpLG.Sort() ;
253 Int_t iLG = 0;
254 Int_t nLG1 = tmpLG.GetEntriesFast()-1 ;
255
256 for(Int_t iDig=0 ; iDig < digits->GetEntriesFast() ; iDig++) {
257 AliPHOSDigit * digHG = dynamic_cast<AliPHOSDigit*>(digits->At(iDig)) ;
258 if (!digHG) continue;
259 AliPHOSDigit * digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
260 while(digLG && iLG<nLG1 && digHG->GetId()> digLG->GetId()){
261 iLG++ ;
262 digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
263 }
264 absId=digHG->GetId() ;
265 fGeom->AbsToRelNumbering(absId,relId) ;
a7c985dc 266
379c5c09 267 if(digLG && digHG->GetId() == digLG->GetId()){ //we found pair
268 if(digHG->GetEnergy()<0.){ //This is overflow in HG
269 digHG->SetTime(digLG->GetTime()) ;
270 digHG->SetEnergy(digLG->GetEnergy()) ;
271 }
379c5c09 272 }
273 else{ //no pair - remove
fdd91c5a 274 if(digHG->GetEnergy()<0.) //no pair, in saturation
275 digits->RemoveAt(iDig) ;
88fb5e50 276 }
88fb5e50 277 }
379c5c09 278 } // End of NextDDL()
c0394bfb 279
280 CleanDigits(digits) ;
379c5c09 281
c0394bfb 282}
283//____________________________________________________________________________
284Double_t AliPHOSRawDigiProducer::CalibrateE(Double_t amp, Int_t* relId, Bool_t isLowGain)
285{
634d2178 286 // Convert EMC LG amplitude to HG (multipli by ~16)
287 // Calibration parameters are taken from calibration data base
c0394bfb 288 if(fgCalibData){
289 Int_t module = relId[0];
290 Int_t column = relId[3];
291 Int_t row = relId[2];
292 if(relId[1]==0) { // this is EMC
293 if(isLowGain){
294 amp*= fgCalibData->GetHighLowRatioEmc(module,column,row);
88fb5e50 295 }
c0394bfb 296 return amp ;
297 }
298 }
299 return 0;
300}
301//____________________________________________________________________________
302Double_t AliPHOSRawDigiProducer::CalibrateT(Double_t time, Int_t * relId, Bool_t /* isLowGain */)
303{
304 //Calibrate time
39569d36 305 time*=fPulseGenerator->GetRawFormatTimeTrigger() ;
c0394bfb 306 if(fgCalibData){
307 Int_t module = relId[0];
308 Int_t column = relId[3];
309 Int_t row = relId[2];
310 if(relId[1]==0) { // this is EMC
311 time += fgCalibData->GetTimeShiftEmc(module,column,row);
312 return time ;
313 }
314 }
315
316 return -999.;
317}
318//____________________________________________________________________________
319void AliPHOSRawDigiProducer::CleanDigits(TClonesArray * digits)
320{
321 // remove digits with amplitudes below threshold.
322 // remove digits in bad channels
323 // sort digits with icreasing AbsId
324
325 //remove digits in bad map and below threshold
326 Bool_t isBadMap = 0 ;
327 if(fgCalibData->GetNumOfEmcBadChannels()){
328 isBadMap=1 ;
329 }
330
331 for(Int_t i=0; i<digits->GetEntriesFast(); i++){
332 AliPHOSDigit * digit = static_cast<AliPHOSDigit*>(digits->At(i)) ;
333 if(!digit)
334 continue ;
335 if ( (IsInEMC(digit) && digit->GetEnergy() < fEmcMinE) ||
336 (IsInCPV(digit) && digit->GetEnergy() < fCpvMinE) ){
337 digits->RemoveAt(i) ;
338 continue ;
339 }
340 if(isBadMap){ //check bad map now
341 Int_t relid[4] ;
342 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
a65517aa 343 if(fgCalibData->IsBadChannelEmc(relid[0],relid[3],relid[2])){
c0394bfb 344 digits->RemoveAt(i) ;
88fb5e50 345 }
346 }
88fb5e50 347 }
348
c0394bfb 349 //Compress, sort and set indexes
350 digits->Compress() ;
351// digits->Sort(); already sorted earlier
352 for (Int_t i = 0 ; i < digits->GetEntriesFast() ; i++) {
353 AliPHOSDigit *digit = static_cast<AliPHOSDigit*>( digits->At(i) ) ;
354 digit->SetIndexInList(i) ;
355 }
356}
357//____________________________________________________________________________
358Bool_t AliPHOSRawDigiProducer::IsInEMC(AliPHOSDigit * digit) const
359{
360 // Tells if (true) or not (false) the digit is in a PHOS-EMC module
361 return digit->GetId() <= fEmcCrystals ;
362
363}
364
365//____________________________________________________________________________
366Bool_t AliPHOSRawDigiProducer::IsInCPV(AliPHOSDigit * digit) const
367{
368 // Tells if (true) or not (false) the digit is in a PHOS-CPV module
369 return digit->GetId() > fEmcCrystals ;
370}
371//____________________________________________________________________________
372void AliPHOSRawDigiProducer::GetCalibrationParameters()
373{
374 // Set calibration parameters:
375 // if calibration database exists, they are read from database,
376 // otherwise, reconstruction stops in the constructor of AliPHOSCalibData
377 //
378 // It is a user responsilibity to open CDB before reconstruction, for example:
379 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
380
381 if (!fgCalibData){
382 fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number
383 }
384 if (fgCalibData->GetCalibDataEmc() == 0)
385 AliFatal("Calibration parameters for PHOS EMC not found. Stop reconstruction.\n");
386 if (fgCalibData->GetCalibDataCpv() == 0)
387 AliFatal("Calibration parameters for PHOS CPV not found. Stop reconstruction.\n");
88fb5e50 388}