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b0d2c2d3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | /////////////////////////////////////////////////////////////////////////////// | |
19 | /// // | |
20 | /// class for VZERO reconstruction // | |
21 | /// // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
b44c933e | 24 | #include <TH1F.h> |
25 | #include <TF1.h> | |
b6fd9c4a | 26 | #include <TParameter.h> |
b44c933e | 27 | |
35b120ff | 28 | #include "AliRunLoader.h" |
2eb38194 | 29 | #include "AliRawReader.h" |
fe0adf2a | 30 | #include "AliGRPObject.h" |
31 | #include "AliCDBManager.h" | |
32 | #include "AliCDBStorage.h" | |
33 | #include "AliCDBEntry.h" | |
b0d2c2d3 | 34 | #include "AliVZEROReconstructor.h" |
2eb38194 | 35 | #include "AliVZERORawStream.h" |
b44c933e | 36 | #include "AliVZEROConst.h" |
b14e6eb4 | 37 | #include "AliESDEvent.h" |
a055ee24 | 38 | #include "AliVZEROTriggerMask.h" |
b090e6a3 | 39 | #include "AliESDfriend.h" |
40 | #include "AliESDVZEROfriend.h" | |
fad64858 | 41 | #include "AliVZEROdigit.h" |
e58b4e66 | 42 | #include "AliVZEROCalibData.h" |
75b6bc77 | 43 | #include "AliRunInfo.h" |
b44c933e | 44 | #include "AliCTPTimeParams.h" |
30d5d647 | 45 | #include "AliLHCClockPhase.h" |
b0d2c2d3 | 46 | |
b0d2c2d3 | 47 | ClassImp(AliVZEROReconstructor) |
48 | ||
ce7090f5 | 49 | //_____________________________________________________________________________ |
cb2228e6 | 50 | AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(), |
fe0adf2a | 51 | fESDVZERO(0x0), |
52 | fESD(0x0), | |
53 | fESDVZEROfriend(0x0), | |
b44c933e | 54 | fCalibData(NULL), |
55 | fTimeSlewing(NULL), | |
fe0adf2a | 56 | fCollisionMode(0), |
dbf24214 | 57 | fBeamEnergy(0.), |
58 | fDigitsArray(0) | |
ce7090f5 | 59 | { |
60 | // Default constructor | |
ce7090f5 | 61 | // Get calibration data |
62 | ||
b44c933e | 63 | fCalibData = GetCalibData(); |
64 | ||
65 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming"); | |
66 | if (!entry) AliFatal("CTP timing parameters are not found in OCDB !"); | |
67 | AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject(); | |
68 | Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0; | |
69 | ||
7905581c | 70 | AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign"); |
71 | if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !"); | |
72 | AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject(); | |
73 | l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0); | |
74 | ||
b44c933e | 75 | AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeDelays"); |
76 | if (!entry2) AliFatal("VZERO time delays are not found in OCDB !"); | |
77 | TH1F *delays = (TH1F*)entry2->GetObject(); | |
78 | ||
79 | AliCDBEntry *entry3 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeSlewing"); | |
80 | if (!entry3) AliFatal("VZERO time slewing function is not found in OCDB !"); | |
81 | fTimeSlewing = (TF1*)entry3->GetObject(); | |
82 | ||
30d5d647 | 83 | AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase"); |
84 | if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !"); | |
85 | AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject(); | |
86 | ||
b44c933e | 87 | for(Int_t i = 0 ; i < 64; ++i) { |
88 | Int_t board = AliVZEROCalibData::GetBoardNumber(i); | |
89 | fTimeOffset[i] = (((Float_t)fCalibData->GetTriggerCountOffset(board)- | |
90 | (Float_t)fCalibData->GetRollOver(board))*25.0+ | |
7905581c | 91 | fCalibData->GetTimeOffset(i)- |
30d5d647 | 92 | l1Delay- |
93 | phase->GetMeanPhase()+ | |
b44c933e | 94 | delays->GetBinContent(i+1)+ |
95 | kV0Offset); | |
96 | } | |
ce7090f5 | 97 | } |
98 | ||
99 | ||
100 | //_____________________________________________________________________________ | |
101 | AliVZEROReconstructor& AliVZEROReconstructor::operator = | |
102 | (const AliVZEROReconstructor& /*reconstructor*/) | |
103 | { | |
104 | // assignment operator | |
105 | ||
106 | Fatal("operator =", "assignment operator not implemented"); | |
107 | return *this; | |
108 | } | |
109 | ||
110 | //_____________________________________________________________________________ | |
111 | AliVZEROReconstructor::~AliVZEROReconstructor() | |
112 | { | |
113 | // destructor | |
44b6212f | 114 | |
829852e8 | 115 | if(fESDVZERO) |
116 | delete fESDVZERO; | |
117 | if(fESDVZEROfriend) | |
b090e6a3 | 118 | delete fESDVZEROfriend; |
829852e8 | 119 | if(fDigitsArray) |
dbf24214 | 120 | delete fDigitsArray; |
35b120ff | 121 | } |
122 | ||
123 | //_____________________________________________________________________________ | |
d76c31f4 | 124 | void AliVZEROReconstructor::Init() |
35b120ff | 125 | { |
ef314913 | 126 | // initializer |
ce7090f5 | 127 | |
35b120ff | 128 | fESDVZERO = new AliESDVZERO; |
b090e6a3 | 129 | fESDVZEROfriend = new AliESDVZEROfriend; |
fe0adf2a | 130 | |
131 | GetCollisionMode(); // fCollisionMode =1 for Pb-Pb simulated data | |
35b120ff | 132 | } |
133 | ||
134 | //______________________________________________________________________ | |
2e0ee64a | 135 | void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
35b120ff | 136 | { |
75b6bc77 | 137 | // converts RAW to digits |
ef314913 | 138 | |
2e0ee64a | 139 | if (!digitsTree) { |
140 | AliError("No digits tree!"); | |
141 | return; | |
142 | } | |
35b120ff | 143 | |
dbf24214 | 144 | if (!fDigitsArray) |
145 | fDigitsArray = new TClonesArray("AliVZEROdigit", 64); | |
146 | digitsTree->Branch("VZERODigit", &fDigitsArray); | |
2e0ee64a | 147 | |
b090e6a3 | 148 | fESDVZEROfriend->Reset(); |
149 | ||
2e0ee64a | 150 | rawReader->Reset(); |
151 | AliVZERORawStream rawStream(rawReader); | |
75b6bc77 | 152 | if (rawStream.Next()) { |
1d51e5e5 | 153 | |
154 | Int_t aBBflagsV0A = 0; | |
155 | Int_t aBBflagsV0C = 0; | |
156 | Int_t aBGflagsV0A = 0; | |
157 | Int_t aBGflagsV0C = 0; | |
158 | ||
159 | for(Int_t iChannel=0; iChannel < 64; ++iChannel) { | |
160 | Int_t offlineCh = rawStream.GetOfflineChannel(iChannel); | |
161 | // ADC charge samples | |
162 | Short_t chargeADC[AliVZEROdigit::kNClocks]; | |
163 | for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) { | |
164 | chargeADC[iClock] = rawStream.GetPedestal(iChannel,iClock); | |
165 | } | |
166 | // Integrator flag | |
167 | Bool_t integrator = rawStream.GetIntegratorFlag(iChannel,AliVZEROdigit::kNClocks/2); | |
168 | // Beam-beam and beam-gas flags | |
169 | if(offlineCh<32) { | |
170 | if (rawStream.GetBBFlag(iChannel,AliVZEROdigit::kNClocks/2)) aBBflagsV0C |= (1 << offlineCh); | |
171 | if (rawStream.GetBGFlag(iChannel,AliVZEROdigit::kNClocks/2)) aBGflagsV0C |= (1 << offlineCh); | |
172 | } else { | |
173 | if (rawStream.GetBBFlag(iChannel,AliVZEROdigit::kNClocks/2)) aBBflagsV0A |= (1 << (offlineCh-32)); | |
174 | if (rawStream.GetBGFlag(iChannel,AliVZEROdigit::kNClocks/2)) aBGflagsV0A |= (1 << (offlineCh-32)); | |
175 | } | |
176 | // HPTDC data (leading time and width) | |
177 | Int_t board = AliVZEROCalibData::GetBoardNumber(offlineCh); | |
178 | Float_t time = rawStream.GetTime(iChannel)*fCalibData->GetTimeResolution(board); | |
179 | Float_t width = rawStream.GetWidth(iChannel)*fCalibData->GetWidthResolution(board); | |
180 | // Add a digit | |
181 | if(!fCalibData->IsChannelDead(iChannel)){ | |
182 | new ((*fDigitsArray)[fDigitsArray->GetEntriesFast()]) | |
b47d88ce | 183 | AliVZEROdigit(offlineCh, time, |
1d51e5e5 | 184 | width,integrator, |
185 | chargeADC); | |
186 | } | |
187 | ||
188 | // Filling the part of esd friend object that is available only for raw data | |
189 | fESDVZEROfriend->SetBBScalers(offlineCh,rawStream.GetBBScalers(iChannel)); | |
190 | fESDVZEROfriend->SetBGScalers(offlineCh,rawStream.GetBGScalers(iChannel)); | |
191 | for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) { | |
192 | fESDVZEROfriend->SetChargeMB(offlineCh,iBunch,rawStream.GetChargeMB(iChannel,iBunch)); | |
193 | fESDVZEROfriend->SetIntMBFlag(offlineCh,iBunch,rawStream.GetIntMBFlag(iChannel,iBunch)); | |
194 | fESDVZEROfriend->SetBBMBFlag(offlineCh,iBunch,rawStream.GetBBMBFlag(iChannel,iBunch)); | |
195 | fESDVZEROfriend->SetBGMBFlag(offlineCh,iBunch,rawStream.GetBGMBFlag(iChannel,iBunch)); | |
196 | } | |
14f1a074 | 197 | for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) { |
198 | fESDVZEROfriend->SetBBFlag(offlineCh,iEv,rawStream.GetBBFlag(iChannel,iEv)); | |
199 | fESDVZEROfriend->SetBGFlag(offlineCh,iEv,rawStream.GetBGFlag(iChannel,iEv)); | |
200 | } | |
1d51e5e5 | 201 | } |
202 | ||
203 | // Filling the global part of esd friend object that is available only for raw data | |
204 | fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs()); | |
205 | fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask()); | |
206 | ||
207 | for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++) | |
208 | fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler)); | |
209 | ||
210 | for(Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) | |
211 | fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch)); | |
b090e6a3 | 212 | |
1d51e5e5 | 213 | // Store the BB and BG flags in the digits tree (user info) |
214 | digitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A)); | |
215 | digitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C)); | |
216 | digitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A)); | |
217 | digitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C)); | |
b090e6a3 | 218 | |
1d51e5e5 | 219 | digitsTree->Fill(); |
2e0ee64a | 220 | } |
dbf24214 | 221 | |
222 | fDigitsArray->Clear(); | |
1d51e5e5 | 223 | } |
2e0ee64a | 224 | |
225 | //______________________________________________________________________ | |
226 | void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/, | |
b14e6eb4 | 227 | AliESDEvent* esd) const |
2e0ee64a | 228 | { |
75b6bc77 | 229 | // fills multiplicities to the ESD - pedestal is now subtracted |
fe0adf2a | 230 | |
2e0ee64a | 231 | if (!digitsTree) { |
fe0adf2a | 232 | AliError("No digits tree!"); |
233 | return; | |
2e0ee64a | 234 | } |
a055ee24 | 235 | |
2e0ee64a | 236 | TBranch* digitBranch = digitsTree->GetBranch("VZERODigit"); |
dbf24214 | 237 | digitBranch->SetAddress(&fDigitsArray); |
35b120ff | 238 | |
44b6212f | 239 | Float_t mult[64]; |
db0db003 | 240 | Float_t adc[64]; |
241 | Float_t time[64]; | |
242 | Float_t width[64]; | |
b6fd9c4a | 243 | Bool_t aBBflag[64]; |
244 | Bool_t aBGflag[64]; | |
d0502ab2 | 245 | |
35b120ff | 246 | for (Int_t i=0; i<64; i++){ |
db0db003 | 247 | adc[i] = 0.0; |
d0502ab2 | 248 | mult[i] = 0.0; |
b44c933e | 249 | time[i] = kInvalidTime; |
db0db003 | 250 | width[i] = 0.0; |
b6fd9c4a | 251 | aBBflag[i] = kFALSE; |
252 | aBGflag[i] = kFALSE; | |
a055ee24 | 253 | } |
35b120ff | 254 | |
b6fd9c4a | 255 | Int_t aBBflagsV0A = 0; |
256 | Int_t aBBflagsV0C = 0; | |
257 | Int_t aBGflagsV0A = 0; | |
258 | Int_t aBGflagsV0C = 0; | |
259 | ||
260 | if (digitsTree->GetUserInfo()->FindObject("BBflagsV0A")) { | |
261 | aBBflagsV0A = ((TParameter<int>*)digitsTree->GetUserInfo()->FindObject("BBflagsV0A"))->GetVal(); | |
262 | } | |
263 | else | |
264 | AliWarning("V0A beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
265 | ||
266 | if (digitsTree->GetUserInfo()->FindObject("BBflagsV0C")) { | |
267 | aBBflagsV0C = ((TParameter<int>*)digitsTree->GetUserInfo()->FindObject("BBflagsV0C"))->GetVal(); | |
268 | } | |
269 | else | |
270 | AliWarning("V0C beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
271 | ||
272 | if (digitsTree->GetUserInfo()->FindObject("BGflagsV0A")) { | |
273 | aBGflagsV0A = ((TParameter<int>*)digitsTree->GetUserInfo()->FindObject("BGflagsV0A"))->GetVal(); | |
274 | } | |
275 | else | |
276 | AliWarning("V0A beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
277 | ||
278 | if (digitsTree->GetUserInfo()->FindObject("BGflagsV0C")) { | |
279 | aBGflagsV0C = ((TParameter<int>*)digitsTree->GetUserInfo()->FindObject("BGflagsV0C"))->GetVal(); | |
280 | } | |
281 | else | |
282 | AliWarning("V0C beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
283 | ||
1d51e5e5 | 284 | // Beam-beam and beam-gas flags (hardware) |
285 | for (Int_t iChannel = 0; iChannel < 64; ++iChannel) { | |
286 | if(iChannel < 32) { | |
287 | aBBflag[iChannel] = (aBBflagsV0C >> iChannel) & 0x1; | |
288 | aBGflag[iChannel] = (aBGflagsV0C >> iChannel) & 0x1; | |
289 | } | |
290 | else { | |
291 | aBBflag[iChannel] = (aBBflagsV0A >> (iChannel-32)) & 0x1; | |
292 | aBGflag[iChannel] = (aBGflagsV0A >> (iChannel-32)) & 0x1; | |
293 | } | |
294 | } | |
b6fd9c4a | 295 | |
2e0ee64a | 296 | Int_t nEntries = (Int_t)digitsTree->GetEntries(); |
35b120ff | 297 | for (Int_t e=0; e<nEntries; e++) { |
2e0ee64a | 298 | digitsTree->GetEvent(e); |
35b120ff | 299 | |
dbf24214 | 300 | Int_t nDigits = fDigitsArray->GetEntriesFast(); |
35b120ff | 301 | |
302 | for (Int_t d=0; d<nDigits; d++) { | |
dbf24214 | 303 | AliVZEROdigit* digit = (AliVZEROdigit*) fDigitsArray->At(d); |
1d51e5e5 | 304 | Int_t pmNumber = digit->PMNumber(); |
305 | ||
306 | // Pedestal retrieval and suppression | |
307 | Bool_t integrator = digit->Integrator(); | |
308 | Float_t maxadc = 0; | |
309 | Int_t imax = -1; | |
310 | Float_t adcPedSub[AliVZEROdigit::kNClocks]; | |
311 | for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) { | |
312 | Short_t charge = digit->ChargeADC(iClock); | |
313 | Bool_t iIntegrator = (iClock%2 == 0) ? integrator : !integrator; | |
314 | Int_t k = pmNumber + 64*iIntegrator; | |
315 | adcPedSub[iClock] = (Float_t)charge - fCalibData->GetPedestal(k); | |
316 | if(adcPedSub[iClock] <= GetRecoParam()->GetNSigmaPed()*fCalibData->GetSigma(k)) { | |
317 | adcPedSub[iClock] = 0; | |
318 | continue; | |
319 | } | |
320 | if(iClock < GetRecoParam()->GetStartClock() || iClock > GetRecoParam()->GetEndClock()) continue; | |
321 | if(adcPedSub[iClock] > maxadc) { | |
322 | maxadc = adcPedSub[iClock]; | |
323 | imax = iClock; | |
324 | } | |
b6fd9c4a | 325 | } |
1d51e5e5 | 326 | |
327 | if (imax != -1) { | |
328 | Int_t start = imax - GetRecoParam()->GetNPreClocks(); | |
329 | if (start < 0) start = 0; | |
330 | Int_t end = imax + GetRecoParam()->GetNPostClocks(); | |
331 | if (end > 20) end = 20; | |
332 | for(Int_t iClock = start; iClock <= end; iClock++) { | |
333 | adc[pmNumber] += adcPedSub[iClock]; | |
334 | } | |
b6fd9c4a | 335 | } |
336 | ||
1d51e5e5 | 337 | // HPTDC leading time and width |
338 | // Correction for slewing and various time delays | |
339 | time[pmNumber] = CorrectLeadingTime(pmNumber,digit->Time(),adc[pmNumber]); | |
340 | width[pmNumber] = digit->Width(); | |
341 | ||
829852e8 | 342 | if (adc[pmNumber] > 0) { |
343 | AliDebug(1,Form("PM = %d ADC = %f TDC %f (%f) Int %d (%d %d %d %d %d) %f %f %f %f %d %d",pmNumber, adc[pmNumber], | |
344 | digit->Time(),time[pmNumber], | |
345 | integrator, | |
346 | digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10), | |
347 | digit->ChargeADC(11),digit->ChargeADC(12), | |
348 | fCalibData->GetPedestal(pmNumber),fCalibData->GetSigma(pmNumber), | |
349 | fCalibData->GetPedestal(pmNumber+64),fCalibData->GetSigma(pmNumber+64), | |
350 | aBBflag[pmNumber],aBGflag[pmNumber])); | |
351 | }; | |
75b6bc77 | 352 | |
1d51e5e5 | 353 | mult[pmNumber] = adc[pmNumber]*fCalibData->GetMIPperADC(pmNumber); |
354 | ||
355 | // Fill ESD friend object | |
356 | for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) { | |
357 | fESDVZEROfriend->SetPedestal(pmNumber,iEv,(Float_t)digit->ChargeADC(iEv)); | |
358 | fESDVZEROfriend->SetIntegratorFlag(pmNumber,iEv,(iEv%2 == 0) ? integrator : !integrator); | |
1d51e5e5 | 359 | } |
360 | fESDVZEROfriend->SetTime(pmNumber,digit->Time()); | |
361 | fESDVZEROfriend->SetWidth(pmNumber,digit->Width()); | |
362 | ||
35b120ff | 363 | } // end of loop over digits |
35b120ff | 364 | } // end of loop over events in digits tree |
6c6d6114 | 365 | |
b44c933e | 366 | fESDVZERO->SetBit(AliESDVZERO::kCorrectedLeadingTime,kTRUE); |
6c6d6114 | 367 | fESDVZERO->SetMultiplicity(mult); |
28fdf12c | 368 | fESDVZERO->SetADC(adc); |
369 | fESDVZERO->SetTime(time); | |
d0502ab2 | 370 | fESDVZERO->SetWidth(width); |
89a39339 | 371 | fESDVZERO->SetBit(AliESDVZERO::kOnlineBitsFilled,kTRUE); |
b6fd9c4a | 372 | fESDVZERO->SetBBFlag(aBBflag); |
373 | fESDVZERO->SetBGFlag(aBGflag); | |
a055ee24 | 374 | |
b44c933e | 375 | // now fill the V0 decision and channel flags |
376 | { | |
377 | AliVZEROTriggerMask triggerMask; | |
378 | triggerMask.FillMasks(fESDVZERO, fCalibData, fTimeSlewing); | |
379 | } | |
a055ee24 | 380 | |
2e0ee64a | 381 | if (esd) { |
44b6212f | 382 | AliDebug(1, Form("Writing VZERO data to ESD tree")); |
383 | esd->SetVZEROData(fESDVZERO); | |
2e0ee64a | 384 | } |
b090e6a3 | 385 | |
386 | if (esd) { | |
fe0adf2a | 387 | AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend"); |
388 | if (fr) { | |
389 | AliDebug(1, Form("Writing VZERO friend data to ESD tree")); | |
390 | fr->SetVZEROfriend(fESDVZEROfriend); | |
b090e6a3 | 391 | } |
392 | } | |
dbf24214 | 393 | |
394 | fDigitsArray->Clear(); | |
35b120ff | 395 | } |
396 | ||
ce7090f5 | 397 | //_____________________________________________________________________________ |
398 | AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) | |
399 | { | |
ef314913 | 400 | // Sets the storage |
401 | ||
ce7090f5 | 402 | Bool_t deleteManager = kFALSE; |
403 | ||
404 | AliCDBManager *manager = AliCDBManager::Instance(); | |
405 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
406 | ||
407 | if(!defstorage || !(defstorage->Contains("VZERO"))){ | |
408 | AliWarning("No default storage set or default storage doesn't contain VZERO!"); | |
409 | manager->SetDefaultStorage(uri); | |
410 | deleteManager = kTRUE; | |
411 | } | |
412 | ||
413 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
414 | ||
415 | if(deleteManager){ | |
44b6212f | 416 | AliCDBManager::Instance()->UnsetDefaultStorage(); |
417 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
ce7090f5 | 418 | } |
419 | ||
420 | return storage; | |
421 | } | |
422 | ||
fe0adf2a | 423 | //____________________________________________________________________________ |
424 | void AliVZEROReconstructor::GetCollisionMode() | |
425 | { | |
75b6bc77 | 426 | // Retrieval of collision mode |
fe0adf2a | 427 | |
75b6bc77 | 428 | TString beamType = GetRunInfo()->GetBeamType(); |
fe0adf2a | 429 | if(beamType==AliGRPObject::GetInvalidString()){ |
75b6bc77 | 430 | AliError("VZERO cannot retrieve beam type"); |
fe0adf2a | 431 | return; |
432 | } | |
433 | ||
75b6bc77 | 434 | if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){ |
435 | fCollisionMode=0; | |
436 | } | |
437 | else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){ | |
438 | fCollisionMode=1; | |
fe0adf2a | 439 | } |
fe0adf2a | 440 | |
75b6bc77 | 441 | fBeamEnergy = GetRunInfo()->GetBeamEnergy(); |
fe0adf2a | 442 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { |
75b6bc77 | 443 | AliError("Missing value for the beam energy ! Using 0"); |
fe0adf2a | 444 | fBeamEnergy = 0.; |
445 | } | |
446 | ||
75b6bc77 | 447 | AliDebug(1,Form("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy)); |
fe0adf2a | 448 | |
449 | } | |
450 | ||
ce7090f5 | 451 | //_____________________________________________________________________________ |
452 | AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const | |
453 | { | |
ef314913 | 454 | // Gets calibration object for VZERO set |
ce7090f5 | 455 | |
c0b82b5a | 456 | AliCDBManager *man = AliCDBManager::Instance(); |
ce7090f5 | 457 | |
c0b82b5a | 458 | AliCDBEntry *entry=0; |
459 | ||
460 | entry = man->Get("VZERO/Calib/Data"); | |
461 | ||
c0b82b5a | 462 | AliVZEROCalibData *calibdata = 0; |
463 | ||
464 | if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject(); | |
94a600a1 | 465 | if (!calibdata) AliFatal("No calibration data from calibration database !"); |
ce7090f5 | 466 | |
467 | return calibdata; | |
468 | } | |
44b6212f | 469 | |
b44c933e | 470 | Float_t AliVZEROReconstructor::CorrectLeadingTime(Int_t i, Float_t time, Float_t adc) const |
471 | { | |
472 | // Correct the leading time | |
473 | // for slewing effect and | |
474 | // misalignment of the channels | |
475 | if (time < 1e-6) return kInvalidTime; | |
476 | ||
477 | // Channel alignment and general offset subtraction | |
478 | if (i < 32) time -= kV0CDelayCables; | |
479 | time -= fTimeOffset[i]; | |
480 | ||
481 | // In case of pathological signals | |
482 | if (adc < 1e-6) return time; | |
483 | ||
484 | // Slewing correction | |
ed1ea59f | 485 | Float_t thr = fCalibData->GetCalibDiscriThr(i,kTRUE); |
b44c933e | 486 | time -= fTimeSlewing->Eval(adc/thr); |
487 | ||
488 | return time; | |
489 | } |