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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: AliADReconstructor.cxx 20956 2007-09-26 14:22:18Z mrodrigu $ */ | |
17 | ////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Class for AD reconstruction // | |
20 | ////////////////////////////////////////////////////////////////////////////// | |
21 | #include <TParameter.h> | |
22 | ||
23 | #include "AliRawReader.h" | |
24 | #include "AliGRPObject.h" | |
25 | #include "AliCDBManager.h" | |
26 | #include "AliCDBStorage.h" | |
27 | #include "AliCDBEntry.h" | |
28 | #include "AliESDEvent.h" | |
29 | #include "AliRunInfo.h" | |
30 | #include "AliCTPTimeParams.h" | |
31 | #include "AliLHCClockPhase.h" | |
32 | ||
33 | #include "AliADReconstructor.h" | |
34 | #include "AliADdigit.h" | |
35 | #include "AliESDAD.h" | |
36 | #include "AliESDADfriend.h" | |
37 | #include "AliADConst.h" | |
38 | #include "AliADCalibData.h" | |
39 | #include "AliADRawStream.h" | |
40 | ||
41 | ClassImp(AliADReconstructor) | |
42 | //_____________________________________________________________________________ | |
43 | AliADReconstructor:: AliADReconstructor(): | |
44 | AliReconstructor(), | |
45 | fESDAD(0x0), | |
46 | fESD(0x0), | |
47 | fESDADfriend(0x0), | |
48 | fCalibData(NULL), | |
49 | fDigitsArray(0), | |
50 | fCollisionMode(0), | |
51 | fBeamEnergy(0.) | |
52 | ||
53 | { | |
54 | fCalibData = GetCalibData(); | |
55 | // Default constructor | |
56 | // Get calibration data | |
57 | ||
58 | } | |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | AliADReconstructor& AliADReconstructor::operator = | |
62 | (const AliADReconstructor& /*reconstructor*/) | |
63 | { | |
64 | // assignment operator | |
65 | ||
66 | Fatal("operator =", "assignment operator not implemented"); | |
67 | return *this; | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | AliADReconstructor::~AliADReconstructor() | |
72 | { | |
73 | // destructor | |
74 | delete fESDAD; | |
75 | delete fESDADfriend; | |
76 | delete fDigitsArray; | |
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | void AliADReconstructor::Init() | |
81 | { | |
82 | // initializer | |
83 | fESDAD = new AliESDAD; | |
84 | fESDADfriend = new AliESDADfriend; | |
85 | } | |
86 | ||
87 | //_____________________________________________________________________________ | |
88 | void AliADReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const | |
89 | { | |
90 | // converts RAW to digits | |
91 | ||
92 | if (!digitsTree) { | |
93 | AliError("No digits tree!"); | |
94 | return; | |
95 | } | |
96 | ||
97 | if (!fDigitsArray){ | |
98 | fDigitsArray = new TClonesArray("AliADdigit", 16); | |
99 | digitsTree->Branch("ADDigit", &fDigitsArray); | |
100 | } | |
101 | ||
102 | rawReader->Reset(); | |
103 | AliADRawStream rawStream(rawReader); | |
104 | if (rawStream.Next()) { | |
105 | ||
106 | for(Int_t iChannel=0; iChannel < 16; ++iChannel) { | |
107 | Int_t offlineCh = rawStream.GetOfflineChannel(iChannel); | |
108 | // ADC charge samples | |
109 | Short_t chargeADC[kNClocks]; | |
110 | for(Int_t iClock=0; iClock < kNClocks; ++iClock) { | |
111 | chargeADC[iClock] = rawStream.GetPedestal(iChannel,iClock); | |
112 | } | |
113 | // Integrator flag | |
114 | Bool_t integrator = rawStream.GetIntegratorFlag(iChannel,kNClocks/2); | |
115 | Bool_t BBflag = rawStream.GetBBFlag(iChannel,kNClocks/2); | |
116 | Bool_t BGflag = rawStream.GetBGFlag(iChannel,kNClocks/2); | |
117 | ||
118 | // HPTDC data (leading time and width) | |
119 | Int_t board = AliADCalibData::GetBoardNumber(offlineCh); | |
120 | Float_t time = rawStream.GetTime(iChannel)*fCalibData->GetTimeResolution(board); | |
121 | Float_t width = rawStream.GetWidth(iChannel)*fCalibData->GetWidthResolution(board); | |
122 | // Add a digit | |
123 | if(!fCalibData->IsChannelDead(iChannel)){ | |
124 | new ((*fDigitsArray)[fDigitsArray->GetEntriesFast()]) AliADdigit(offlineCh, time, width,integrator, chargeADC, BBflag, BGflag); | |
125 | } | |
126 | ||
127 | fESDADfriend->SetTriggerInputs(rawStream.GetTriggerInputs()); | |
128 | fESDADfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask()); | |
129 | ||
130 | fESDADfriend->SetBBScalers(offlineCh,rawStream.GetBBScalers(iChannel)); | |
131 | fESDADfriend->SetBGScalers(offlineCh,rawStream.GetBGScalers(iChannel)); | |
132 | for (Int_t iEv = 0; iEv < kNClocks; iEv++) { | |
133 | fESDADfriend->SetBBFlag(offlineCh,iEv,rawStream.GetBBFlag(iChannel,iEv)); | |
134 | fESDADfriend->SetBGFlag(offlineCh,iEv,rawStream.GetBGFlag(iChannel,iEv)); | |
135 | } | |
136 | } | |
137 | for(Int_t iScaler = 0; iScaler < AliESDADfriend::kNScalers; iScaler++) | |
138 | fESDADfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler)); | |
139 | ||
140 | digitsTree->Fill(); | |
141 | } | |
142 | ||
143 | fDigitsArray->Clear(); | |
144 | ||
145 | } | |
146 | ||
147 | //_____________________________________________________________________________ | |
148 | void AliADReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,AliESDEvent* esd) const | |
149 | { | |
150 | ||
151 | printf("Running AD Reconstruction \n"); | |
152 | ||
153 | if (!digitsTree) { | |
154 | AliError("No digits tree!"); | |
155 | return; | |
156 | } | |
157 | ||
158 | TBranch* digitBranch = digitsTree->GetBranch("ADDigit"); | |
159 | digitBranch->SetAddress(&fDigitsArray); | |
160 | ||
161 | Float_t mult[16]; | |
162 | Float_t adc[16]; | |
163 | Float_t time[16]; | |
164 | Float_t width[16]; | |
165 | Bool_t aBBflag[16]; | |
166 | Bool_t aBGflag[16]; | |
167 | ||
168 | for (Int_t i=0; i<16; i++){ | |
169 | adc[i] = 0.0; | |
170 | mult[i] = 0.0; | |
171 | time[i] = kInvalidTime; | |
172 | width[i] = 0.0; | |
173 | aBBflag[i] = kFALSE; | |
174 | aBGflag[i] = kFALSE; | |
175 | } | |
176 | ||
177 | Int_t nEntries = (Int_t)digitsTree->GetEntries(); | |
178 | for (Int_t e=0; e<nEntries; e++) { | |
179 | digitsTree->GetEvent(e); | |
180 | ||
181 | Int_t nDigits = fDigitsArray->GetEntriesFast(); | |
182 | ||
183 | for (Int_t d=0; d<nDigits; d++) { | |
184 | AliADdigit* digit = (AliADdigit*) fDigitsArray->At(d); | |
185 | Int_t pmNumber = digit->PMNumber(); | |
186 | ||
187 | // Pedestal retrieval and suppression | |
188 | Bool_t integrator = digit->Integrator(); | |
189 | Float_t maxadc = 0; | |
190 | Int_t imax = -1; | |
191 | Float_t adcPedSub[kNClocks]; | |
192 | for(Int_t iClock=0; iClock < kNClocks; ++iClock) { | |
193 | Short_t charge = digit->ChargeADC(iClock); | |
194 | Bool_t iIntegrator = (iClock%2 == 0) ? integrator : !integrator; | |
195 | Int_t k = pmNumber + 16*iIntegrator; | |
196 | adcPedSub[iClock] = (Float_t)charge - fCalibData->GetPedestal(k); | |
197 | //if(adcPedSub[iClock] <= GetRecoParam()->GetNSigmaPed()*fCalibData->GetSigma(k)) { | |
198 | if(adcPedSub[iClock] <= 2*fCalibData->GetSigma(k)) { | |
199 | adcPedSub[iClock] = 0; | |
200 | continue; | |
201 | } | |
202 | //if(iClock < GetRecoParam()->GetStartClock() || iClock > GetRecoParam()->GetEndClock()) continue; | |
203 | if(iClock < 8 || iClock > 12) continue; | |
204 | if(adcPedSub[iClock] > maxadc) { | |
205 | maxadc = adcPedSub[iClock]; | |
206 | imax = iClock; | |
207 | } | |
208 | } | |
209 | ||
210 | if (imax != -1) { | |
211 | //Int_t start = imax - GetRecoParam()->GetNPreClocks(); | |
212 | Int_t start = imax - 2; | |
213 | if (start < 0) start = 0; | |
214 | //Int_t end = imax + GetRecoParam()->GetNPostClocks(); | |
215 | Int_t end = imax + 1; | |
216 | if (end > 20) end = 20; | |
217 | for(Int_t iClock = start; iClock <= end; iClock++) { | |
218 | adc[pmNumber] += adcPedSub[iClock]; | |
219 | } | |
220 | } | |
221 | ||
222 | // HPTDC leading time and width | |
223 | // Correction for slewing and various time delays | |
224 | //time[pmNumber] = CorrectLeadingTime(pmNumber,digit->Time(),adc[pmNumber]); | |
225 | time[pmNumber] = digit->Time(); | |
226 | width[pmNumber] = digit->Width(); | |
227 | aBBflag[pmNumber] = digit->GetBBflag(); | |
228 | aBGflag[pmNumber] = digit->GetBGflag(); | |
229 | ||
230 | if (adc[pmNumber] > 0) { | |
231 | AliDebug(1,Form("PM = %d ADC = %.2f (%.2f) TDC %.2f (%.2f) Int %d (%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d) %.2f %.2f %.2f %.2f %d %d",pmNumber, adc[pmNumber], | |
232 | digit->ChargeADC(11)+digit->ChargeADC(10)+digit->ChargeADC(9)+digit->ChargeADC(8)+ | |
233 | digit->ChargeADC(7)+digit->ChargeADC(6)+digit->ChargeADC(5)+digit->ChargeADC(4)- | |
234 | 4.*fCalibData->GetPedestal(pmNumber)-4.*fCalibData->GetPedestal(pmNumber+16), | |
235 | digit->Time(),time[pmNumber], | |
236 | integrator, | |
237 | digit->ChargeADC(0),digit->ChargeADC(1),digit->ChargeADC(2),digit->ChargeADC(3),digit->ChargeADC(4),digit->ChargeADC(5),digit->ChargeADC(6),digit->ChargeADC(7), | |
238 | digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10), | |
239 | digit->ChargeADC(11),digit->ChargeADC(12), | |
240 | digit->ChargeADC(13),digit->ChargeADC(14),digit->ChargeADC(15),digit->ChargeADC(16),digit->ChargeADC(17),digit->ChargeADC(18),digit->ChargeADC(19),digit->ChargeADC(20), | |
241 | fCalibData->GetPedestal(pmNumber),fCalibData->GetSigma(pmNumber), | |
242 | fCalibData->GetPedestal(pmNumber+16),fCalibData->GetSigma(pmNumber+16), | |
243 | aBBflag[pmNumber],aBGflag[pmNumber])); | |
244 | }; | |
245 | ||
246 | // Fill ESD friend object | |
247 | for (Int_t iEv = 0; iEv < kNClocks; iEv++) { | |
248 | fESDADfriend->SetPedestal(pmNumber,iEv,(Float_t)digit->ChargeADC(iEv)); | |
249 | fESDADfriend->SetIntegratorFlag(pmNumber,iEv,(iEv%2 == 0) ? integrator : !integrator); | |
250 | } | |
251 | fESDADfriend->SetTime(pmNumber,digit->Time()); | |
252 | fESDADfriend->SetWidth(pmNumber,digit->Width()); | |
253 | ||
254 | } // end of loop over digits | |
255 | } // end of loop over events in digits tree | |
256 | ||
257 | //fESDAD->SetBit(AliESDAD::kCorrectedLeadingTime,kTRUE); | |
258 | //fESDAD->SetMultiplicity(mult); | |
259 | fESDAD->SetADC(adc); | |
260 | fESDAD->SetTime(time); | |
261 | fESDAD->SetWidth(width); | |
262 | fESDAD->SetBit(AliESDAD::kOnlineBitsFilled,kTRUE); | |
263 | fESDAD->SetBBFlag(aBBflag); | |
264 | fESDAD->SetBGFlag(aBGflag); | |
265 | //fESDAD->SetBit(AliESDAD::kCorrectedForSaturation,kTRUE); | |
266 | ||
267 | /*/ now fill the V0 decision and channel flags | |
268 | { | |
269 | AliADTriggerMask triggerMask; | |
270 | triggerMask.SetRecoParam(GetRecoParam()); | |
271 | triggerMask.FillMasks(fESDAD, fCalibData, fTimeSlewing); | |
272 | }/*/ | |
273 | ||
274 | if (esd) { | |
275 | AliDebug(1, Form("Writing AD data to ESD tree")); | |
276 | esd->SetADData(fESDAD); | |
277 | ||
278 | AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend"); | |
279 | if (fr) { | |
280 | AliDebug(1, Form("Writing AD friend data to ESD tree")); | |
281 | //fr->SetADfriend(fESDADfriend); | |
282 | } | |
283 | } | |
284 | ||
285 | fDigitsArray->Clear(); | |
286 | ||
287 | } | |
288 | ||
289 | //_____________________________________________________________________________ | |
290 | AliADCalibData* AliADReconstructor::GetCalibData() const | |
291 | { | |
292 | AliCDBManager *man = AliCDBManager::Instance(); | |
293 | ||
294 | AliCDBEntry *entry=0; | |
295 | ||
296 | entry = man->Get("AD/Calib/Data"); | |
297 | if(!entry){ | |
298 | AliWarning("Load of calibration data from default storage failed!"); | |
299 | AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)"); | |
300 | ||
301 | man->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); | |
302 | man->SetRun(1); | |
303 | entry = man->Get("AD/Calib/Data"); | |
304 | } | |
305 | // Retrieval of data in directory AD/Calib/Data: | |
306 | ||
307 | AliADCalibData *calibdata = 0; | |
308 | ||
309 | if (entry) calibdata = (AliADCalibData*) entry->GetObject(); | |
310 | if (!calibdata) AliFatal("No calibration data from calibration database !"); | |
311 | ||
312 | return calibdata; | |
313 | } | |
314 | ||
315 | //_____________________________________________________________________________ | |
316 | AliCDBStorage* AliADReconstructor::SetStorage(const char *uri) | |
317 | { | |
318 | // Sets the storage | |
319 | ||
320 | Bool_t deleteManager = kFALSE; | |
321 | ||
322 | AliCDBManager *manager = AliCDBManager::Instance(); | |
323 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
324 | ||
325 | if(!defstorage || !(defstorage->Contains("AD"))){ | |
326 | AliWarning("No default storage set or default storage doesn't contain AD!"); | |
327 | manager->SetDefaultStorage(uri); | |
328 | deleteManager = kTRUE; | |
329 | } | |
330 | ||
331 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
332 | ||
333 | if(deleteManager){ | |
334 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
335 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
336 | } | |
337 | ||
338 | return storage; | |
339 | } | |
340 | ||
341 | //____________________________________________________________________________ | |
342 | void AliADReconstructor::GetCollisionMode() | |
343 | { | |
344 | // Retrieval of collision mode | |
345 | ||
346 | TString beamType = GetRunInfo()->GetBeamType(); | |
347 | if(beamType==AliGRPObject::GetInvalidString()){ | |
348 | AliError("AD cannot retrieve beam type"); | |
349 | return; | |
350 | } | |
351 | ||
352 | if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){ | |
353 | fCollisionMode=0; | |
354 | } | |
355 | else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){ | |
356 | fCollisionMode=1; | |
357 | } | |
358 | ||
359 | fBeamEnergy = GetRunInfo()->GetBeamEnergy(); | |
360 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { | |
361 | AliError("Missing value for the beam energy ! Using 0"); | |
362 | fBeamEnergy = 0.; | |
363 | } | |
364 | ||
365 | AliDebug(1,Form("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy)); | |
366 | ||
367 | } |