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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 | ||
35b120ff | 24 | #include "AliRunLoader.h" |
2eb38194 | 25 | #include "AliRawReader.h" |
fe0adf2a | 26 | #include "AliGRPObject.h" |
27 | #include "AliCDBManager.h" | |
28 | #include "AliCDBStorage.h" | |
29 | #include "AliCDBEntry.h" | |
b0d2c2d3 | 30 | #include "AliVZEROReconstructor.h" |
2eb38194 | 31 | #include "AliVZERORawStream.h" |
b14e6eb4 | 32 | #include "AliESDEvent.h" |
a055ee24 | 33 | #include "AliVZEROTriggerMask.h" |
b090e6a3 | 34 | #include "AliESDfriend.h" |
35 | #include "AliESDVZEROfriend.h" | |
fad64858 | 36 | #include "AliVZEROdigit.h" |
b0d2c2d3 | 37 | |
b0d2c2d3 | 38 | ClassImp(AliVZEROReconstructor) |
39 | ||
ce7090f5 | 40 | //_____________________________________________________________________________ |
cb2228e6 | 41 | AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(), |
fe0adf2a | 42 | fESDVZERO(0x0), |
43 | fESD(0x0), | |
44 | fESDVZEROfriend(0x0), | |
45 | fCalibData(GetCalibData()), | |
46 | fCollisionMode(0), | |
47 | fBeamEnergy(0.) | |
ce7090f5 | 48 | { |
49 | // Default constructor | |
ce7090f5 | 50 | // Get calibration data |
51 | ||
35b120ff | 52 | // fCalibData = GetCalibData(); |
44b6212f | 53 | |
ce7090f5 | 54 | } |
55 | ||
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliVZEROReconstructor& AliVZEROReconstructor::operator = | |
59 | (const AliVZEROReconstructor& /*reconstructor*/) | |
60 | { | |
61 | // assignment operator | |
62 | ||
63 | Fatal("operator =", "assignment operator not implemented"); | |
64 | return *this; | |
65 | } | |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliVZEROReconstructor::~AliVZEROReconstructor() | |
69 | { | |
70 | // destructor | |
44b6212f | 71 | |
b090e6a3 | 72 | delete fESDVZERO; |
73 | delete fESDVZEROfriend; | |
35b120ff | 74 | } |
75 | ||
76 | //_____________________________________________________________________________ | |
d76c31f4 | 77 | void AliVZEROReconstructor::Init() |
35b120ff | 78 | { |
ef314913 | 79 | // initializer |
ce7090f5 | 80 | |
35b120ff | 81 | fESDVZERO = new AliESDVZERO; |
b090e6a3 | 82 | fESDVZEROfriend = new AliESDVZEROfriend; |
fe0adf2a | 83 | |
84 | GetCollisionMode(); // fCollisionMode =1 for Pb-Pb simulated data | |
35b120ff | 85 | } |
86 | ||
87 | //______________________________________________________________________ | |
2e0ee64a | 88 | void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
35b120ff | 89 | { |
44b6212f | 90 | // converts RAW to digits - pedestal is subtracted |
ef314913 | 91 | |
2e0ee64a | 92 | if (!digitsTree) { |
93 | AliError("No digits tree!"); | |
94 | return; | |
95 | } | |
35b120ff | 96 | |
2e0ee64a | 97 | TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit"); |
98 | digitsTree->Branch("VZERODigit", &digitsArray); | |
99 | ||
b090e6a3 | 100 | fESDVZEROfriend->Reset(); |
101 | ||
2e0ee64a | 102 | rawReader->Reset(); |
103 | AliVZERORawStream rawStream(rawReader); | |
9d62c464 | 104 | if (rawStream.Next()) { |
db0db003 | 105 | Float_t ADC_max[64], adc[64]; |
106 | Bool_t BBFlag[64], BGFlag[64], integrator[64]; | |
6c115a32 | 107 | Float_t time[64], width[64]; |
9d62c464 | 108 | for(Int_t i=0; i<64; i++) { |
44b6212f | 109 | // Search for the maximum charge in the train of 21 LHC clocks |
9d62c464 | 110 | // regardless of the integrator which has been operated: |
db0db003 | 111 | ADC_max[i] = 0.0; |
d0502ab2 | 112 | Int_t imax = 0; |
9d62c464 | 113 | for(Int_t iClock=0; iClock<21; iClock++){ |
db0db003 | 114 | if(rawStream.GetPedestal(i,iClock) > ADC_max[i]) |
115 | {ADC_max[i]= rawStream.GetPedestal(i,iClock); | |
d0502ab2 | 116 | imax = iClock;} |
9d62c464 | 117 | } |
118 | // Convert i (FEE channel numbering) to j (aliroot channel numbering) | |
db0db003 | 119 | Int_t j = rawStream.GetOfflineChannel(i); |
120 | adc[j] = ADC_max[i]; | |
121 | time[j] = rawStream.GetTime(i); | |
122 | width[j] = rawStream.GetWidth(i); | |
123 | BBFlag[j] = rawStream.GetBBFlag(i,imax); | |
124 | BGFlag[j] = rawStream.GetBGFlag(i,imax); | |
fad64858 | 125 | integrator[j] = rawStream.GetIntegratorFlag(i,imax); |
b090e6a3 | 126 | |
127 | // Filling the esd friend object | |
128 | fESDVZEROfriend->SetBBScalers(j,rawStream.GetBBScalers(i)); | |
129 | fESDVZEROfriend->SetBGScalers(j,rawStream.GetBGScalers(i)); | |
130 | for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) { | |
db0db003 | 131 | fESDVZEROfriend->SetChargeMB(j,iBunch,rawStream.GetChargeMB(i,iBunch)); |
132 | fESDVZEROfriend->SetIntMBFlag(j,iBunch,rawStream.GetIntMBFlag(i,iBunch)); | |
133 | fESDVZEROfriend->SetBBMBFlag(j,iBunch,rawStream.GetBBMBFlag(i,iBunch)); | |
134 | fESDVZEROfriend->SetBGMBFlag(j,iBunch,rawStream.GetBGMBFlag(i,iBunch)); | |
b090e6a3 | 135 | } |
136 | for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) { | |
db0db003 | 137 | fESDVZEROfriend->SetPedestal(j,iEv,rawStream.GetPedestal(i,iEv)); |
138 | fESDVZEROfriend->SetIntegratorFlag(j,iEv,rawStream.GetIntegratorFlag(i,iEv)); | |
139 | fESDVZEROfriend->SetBBFlag(j,iEv,rawStream.GetBBFlag(i,iEv)); | |
140 | fESDVZEROfriend->SetBGFlag(j,iEv,rawStream.GetBGFlag(i,iEv)); | |
b090e6a3 | 141 | } |
142 | fESDVZEROfriend->SetTime(j,rawStream.GetTime(i)); | |
143 | fESDVZEROfriend->SetWidth(j,rawStream.GetWidth(i)); | |
9d62c464 | 144 | } |
b090e6a3 | 145 | |
146 | // Filling the esd friend object | |
147 | fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs()); | |
148 | fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask()); | |
149 | ||
150 | for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++) | |
db0db003 | 151 | fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler)); |
b090e6a3 | 152 | |
db0db003 | 153 | for(Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) |
154 | fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch)); | |
b090e6a3 | 155 | |
156 | ||
9d62c464 | 157 | // Channels(aliroot numbering) will be ordered in the tree |
158 | for(Int_t iChannel = 0; iChannel < 64; iChannel++) { | |
159 | new ((*digitsArray)[digitsArray->GetEntriesFast()]) | |
d0502ab2 | 160 | AliVZEROdigit(iChannel, adc[iChannel], time[iChannel], |
fad64858 | 161 | width[iChannel], BBFlag[iChannel], BGFlag[iChannel],integrator[iChannel]); |
f0ff6fad | 162 | } |
163 | digitsTree->Fill(); | |
2e0ee64a | 164 | } |
2e0ee64a | 165 | } |
166 | ||
167 | //______________________________________________________________________ | |
168 | void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/, | |
b14e6eb4 | 169 | AliESDEvent* esd) const |
2e0ee64a | 170 | { |
ef314913 | 171 | // fills multiplicities to the ESD |
fe0adf2a | 172 | |
2e0ee64a | 173 | if (!digitsTree) { |
fe0adf2a | 174 | AliError("No digits tree!"); |
175 | return; | |
2e0ee64a | 176 | } |
a055ee24 | 177 | |
2e0ee64a | 178 | TClonesArray* digitsArray = NULL; |
179 | TBranch* digitBranch = digitsTree->GetBranch("VZERODigit"); | |
180 | digitBranch->SetAddress(&digitsArray); | |
35b120ff | 181 | |
44b6212f | 182 | Float_t mult[64]; |
db0db003 | 183 | Float_t adc[64]; |
184 | Float_t time[64]; | |
185 | Float_t width[64]; | |
d0502ab2 | 186 | Bool_t BBFlag[64]; |
187 | Bool_t BGFlag[64]; | |
188 | ||
35b120ff | 189 | for (Int_t i=0; i<64; i++){ |
db0db003 | 190 | adc[i] = 0.0; |
d0502ab2 | 191 | mult[i] = 0.0; |
db0db003 | 192 | time[i] = 0.0; |
193 | width[i] = 0.0; | |
d0502ab2 | 194 | BBFlag[i] = kFALSE; |
195 | BGFlag[i] = kFALSE; | |
a055ee24 | 196 | } |
35b120ff | 197 | |
a055ee24 | 198 | // loop over VZERO entries to get multiplicity |
2e0ee64a | 199 | Int_t nEntries = (Int_t)digitsTree->GetEntries(); |
35b120ff | 200 | for (Int_t e=0; e<nEntries; e++) { |
2e0ee64a | 201 | digitsTree->GetEvent(e); |
35b120ff | 202 | |
2e0ee64a | 203 | Int_t nDigits = digitsArray->GetEntriesFast(); |
35b120ff | 204 | |
205 | for (Int_t d=0; d<nDigits; d++) { | |
63627899 | 206 | AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d); |
207 | Int_t pmNumber = digit->PMNumber(); | |
208 | // Pedestal retrieval and suppression: | |
db0db003 | 209 | Float_t pedestal = fCalibData->GetPedestal(d); |
210 | adc[pmNumber] = digit->ADC() - pedestal; | |
211 | time[pmNumber] = digit->Time(); | |
212 | width[pmNumber] = digit->Width(); | |
213 | BBFlag[pmNumber]= digit->BBFlag(); | |
214 | BGFlag[pmNumber]= digit->BGFlag(); | |
23c8ec8e | 215 | // printf("PM = %d, MIP per ADC channel = %f \n",pmNumber, fCalibData->GetMIPperADC(pmNumber)); |
db0db003 | 216 | //AliInfo(Form("PM = %d, ADC = %f TDC %f",pmNumber, digit->ADC(),digit->Time())); |
44b6212f | 217 | // cut of ADC at 1MIP/2 |
fe0adf2a | 218 | if(fCollisionMode >0) { |
219 | Float_t MIP = 2.0; | |
db0db003 | 220 | if (adc[pmNumber] > (MIP/2.) ) mult[pmNumber] += adc[pmNumber]*(1.0/MIP) ; |
fe0adf2a | 221 | } |
222 | else{ | |
db0db003 | 223 | if (adc[pmNumber] > (1.0/fCalibData->GetMIPperADC(pmNumber) /2.) ) |
224 | mult[pmNumber] += adc[pmNumber]*fCalibData->GetMIPperADC(pmNumber); | |
fe0adf2a | 225 | } |
35b120ff | 226 | } // end of loop over digits |
35b120ff | 227 | } // end of loop over events in digits tree |
6c6d6114 | 228 | |
229 | fESDVZERO->SetMultiplicity(mult); | |
28fdf12c | 230 | fESDVZERO->SetADC(adc); |
231 | fESDVZERO->SetTime(time); | |
d0502ab2 | 232 | fESDVZERO->SetWidth(width); |
233 | fESDVZERO->SetBBFlag(BBFlag); | |
234 | fESDVZERO->SetBGFlag(BGFlag); | |
a055ee24 | 235 | |
236 | // now get the trigger mask | |
237 | ||
238 | AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask(); | |
fe0adf2a | 239 | TriggerMask->SetAdcThreshold(10.0/2.0); |
a055ee24 | 240 | TriggerMask->SetTimeWindowWidthBBA(50); |
241 | TriggerMask->SetTimeWindowWidthBGA(20); | |
242 | TriggerMask->SetTimeWindowWidthBBC(50); | |
243 | TriggerMask->SetTimeWindowWidthBGC(20); | |
244 | TriggerMask->FillMasks(digitsTree,digitsArray); | |
245 | ||
246 | fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A()); | |
247 | fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A()); | |
248 | fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C()); | |
249 | fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C()); | |
35b120ff | 250 | |
2e0ee64a | 251 | if (esd) { |
44b6212f | 252 | AliDebug(1, Form("Writing VZERO data to ESD tree")); |
253 | esd->SetVZEROData(fESDVZERO); | |
2e0ee64a | 254 | } |
b090e6a3 | 255 | |
256 | if (esd) { | |
fe0adf2a | 257 | AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend"); |
258 | if (fr) { | |
259 | AliDebug(1, Form("Writing VZERO friend data to ESD tree")); | |
260 | fr->SetVZEROfriend(fESDVZEROfriend); | |
b090e6a3 | 261 | } |
262 | } | |
35b120ff | 263 | } |
264 | ||
ce7090f5 | 265 | //_____________________________________________________________________________ |
266 | AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) | |
267 | { | |
ef314913 | 268 | // Sets the storage |
269 | ||
ce7090f5 | 270 | Bool_t deleteManager = kFALSE; |
271 | ||
272 | AliCDBManager *manager = AliCDBManager::Instance(); | |
273 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
274 | ||
275 | if(!defstorage || !(defstorage->Contains("VZERO"))){ | |
276 | AliWarning("No default storage set or default storage doesn't contain VZERO!"); | |
277 | manager->SetDefaultStorage(uri); | |
278 | deleteManager = kTRUE; | |
279 | } | |
280 | ||
281 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
282 | ||
283 | if(deleteManager){ | |
44b6212f | 284 | AliCDBManager::Instance()->UnsetDefaultStorage(); |
285 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
ce7090f5 | 286 | } |
287 | ||
288 | return storage; | |
289 | } | |
290 | ||
fe0adf2a | 291 | //____________________________________________________________________________ |
292 | void AliVZEROReconstructor::GetCollisionMode() | |
293 | { | |
294 | // Retrieves the collision mode from GRP data | |
295 | ||
296 | // Initialization of the GRP entry | |
539f3bd1 | 297 | // To be replace by a call to AliRunInfo object |
fe0adf2a | 298 | |
539f3bd1 | 299 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); |
300 | AliGRPObject* grpData = 0x0; | |
fe0adf2a | 301 | |
302 | if(entry){ | |
303 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
304 | if(m){ | |
fe0adf2a | 305 | grpData = new AliGRPObject(); |
306 | grpData->ReadValuesFromMap(m); | |
307 | } | |
308 | else{ | |
309 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
fe0adf2a | 310 | } |
fe0adf2a | 311 | } |
312 | ||
539f3bd1 | 313 | if(!grpData) { AliError("No GRP entry found in OCDB!"); |
fe0adf2a | 314 | return; } |
315 | ||
316 | // Retrieval of simulated collision mode | |
317 | ||
318 | TString beamType = grpData->GetBeamType(); | |
319 | if(beamType==AliGRPObject::GetInvalidString()){ | |
320 | AliError("GRP/GRP/Data entry: missing value for the beam type !"); | |
321 | AliError("\t VZERO cannot retrieve beam type\n"); | |
322 | return; | |
323 | } | |
324 | ||
325 | if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){ | |
326 | fCollisionMode=0; | |
327 | } | |
328 | else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){ | |
329 | fCollisionMode=1; | |
330 | } | |
331 | ||
332 | fBeamEnergy = grpData->GetBeamEnergy(); | |
333 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { | |
334 | AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0"); | |
335 | fBeamEnergy = 0.; | |
336 | } | |
337 | ||
338 | // printf("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy); | |
339 | ||
340 | } | |
341 | ||
ce7090f5 | 342 | //_____________________________________________________________________________ |
343 | AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const | |
344 | { | |
ef314913 | 345 | // Gets calibration object for VZERO set |
ce7090f5 | 346 | |
c0b82b5a | 347 | AliCDBManager *man = AliCDBManager::Instance(); |
ce7090f5 | 348 | |
c0b82b5a | 349 | AliCDBEntry *entry=0; |
350 | ||
351 | entry = man->Get("VZERO/Calib/Data"); | |
352 | ||
94a600a1 | 353 | // if(!entry){ |
354 | // AliWarning("Load of calibration data from default storage failed!"); | |
355 | // AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)"); | |
356 | // Int_t runNumber = man->GetRun(); | |
162637e4 | 357 | // entry = man->GetStorage("local://$ALICE_ROOT/OCDB") |
94a600a1 | 358 | // ->Get("VZERO/Calib/Data",runNumber); |
359 | // | |
360 | // } | |
c0b82b5a | 361 | |
362 | // Retrieval of data in directory VZERO/Calib/Data: | |
363 | ||
c0b82b5a | 364 | AliVZEROCalibData *calibdata = 0; |
365 | ||
366 | if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject(); | |
94a600a1 | 367 | if (!calibdata) AliFatal("No calibration data from calibration database !"); |
ce7090f5 | 368 | |
369 | return calibdata; | |
370 | } | |
44b6212f | 371 |