]>
Commit | Line | Data |
---|---|---|
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" | |
b0d2c2d3 | 36 | |
b0d2c2d3 | 37 | ClassImp(AliVZEROReconstructor) |
38 | ||
ce7090f5 | 39 | //_____________________________________________________________________________ |
cb2228e6 | 40 | AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(), |
fe0adf2a | 41 | fESDVZERO(0x0), |
42 | fESD(0x0), | |
43 | fESDVZEROfriend(0x0), | |
44 | fCalibData(GetCalibData()), | |
45 | fCollisionMode(0), | |
46 | fBeamEnergy(0.) | |
ce7090f5 | 47 | { |
48 | // Default constructor | |
ce7090f5 | 49 | // Get calibration data |
50 | ||
35b120ff | 51 | // fCalibData = GetCalibData(); |
44b6212f | 52 | |
ce7090f5 | 53 | } |
54 | ||
55 | ||
56 | //_____________________________________________________________________________ | |
57 | AliVZEROReconstructor& AliVZEROReconstructor::operator = | |
58 | (const AliVZEROReconstructor& /*reconstructor*/) | |
59 | { | |
60 | // assignment operator | |
61 | ||
62 | Fatal("operator =", "assignment operator not implemented"); | |
63 | return *this; | |
64 | } | |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliVZEROReconstructor::~AliVZEROReconstructor() | |
68 | { | |
69 | // destructor | |
44b6212f | 70 | |
b090e6a3 | 71 | delete fESDVZERO; |
72 | delete fESDVZEROfriend; | |
35b120ff | 73 | } |
74 | ||
75 | //_____________________________________________________________________________ | |
d76c31f4 | 76 | void AliVZEROReconstructor::Init() |
35b120ff | 77 | { |
ef314913 | 78 | // initializer |
ce7090f5 | 79 | |
35b120ff | 80 | fESDVZERO = new AliESDVZERO; |
b090e6a3 | 81 | fESDVZEROfriend = new AliESDVZEROfriend; |
fe0adf2a | 82 | |
83 | GetCollisionMode(); // fCollisionMode =1 for Pb-Pb simulated data | |
35b120ff | 84 | } |
85 | ||
86 | //______________________________________________________________________ | |
2e0ee64a | 87 | void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
35b120ff | 88 | { |
44b6212f | 89 | // converts RAW to digits - pedestal is subtracted |
ef314913 | 90 | |
2e0ee64a | 91 | if (!digitsTree) { |
92 | AliError("No digits tree!"); | |
93 | return; | |
94 | } | |
35b120ff | 95 | |
2e0ee64a | 96 | TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit"); |
97 | digitsTree->Branch("VZERODigit", &digitsArray); | |
98 | ||
b090e6a3 | 99 | fESDVZEROfriend->Reset(); |
100 | ||
2e0ee64a | 101 | rawReader->Reset(); |
102 | AliVZERORawStream rawStream(rawReader); | |
9d62c464 | 103 | if (rawStream.Next()) { |
d0502ab2 | 104 | Int_t ADC_max[64], adc[64], time[64], width[64], BBFlag[64], BGFlag[64]; |
9d62c464 | 105 | for(Int_t i=0; i<64; i++) { |
44b6212f | 106 | // Search for the maximum charge in the train of 21 LHC clocks |
9d62c464 | 107 | // regardless of the integrator which has been operated: |
108 | ADC_max[i] = 0; | |
d0502ab2 | 109 | Int_t imax = 0; |
9d62c464 | 110 | for(Int_t iClock=0; iClock<21; iClock++){ |
111 | if((Int_t)rawStream.GetPedestal(i,iClock) > ADC_max[i]) | |
d0502ab2 | 112 | {ADC_max[i]=(Int_t)rawStream.GetPedestal(i,iClock); |
113 | imax = iClock;} | |
9d62c464 | 114 | } |
115 | // Convert i (FEE channel numbering) to j (aliroot channel numbering) | |
d0502ab2 | 116 | Int_t j = rawStream.GetOfflineChannel(i); |
117 | adc[j] = ADC_max[i]; | |
118 | time[j] = rawStream.GetTime(i); | |
119 | width[j] = rawStream.GetWidth(i); | |
120 | BBFlag[j] = rawStream.GetBBFlag(i,imax); | |
121 | BGFlag[j] = rawStream.GetBGFlag(i,imax); | |
b090e6a3 | 122 | |
123 | // Filling the esd friend object | |
124 | fESDVZEROfriend->SetBBScalers(j,rawStream.GetBBScalers(i)); | |
125 | fESDVZEROfriend->SetBGScalers(j,rawStream.GetBGScalers(i)); | |
126 | for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) { | |
127 | fESDVZEROfriend->SetChargeMB(j,iBunch,rawStream.GetChargeMB(i,iBunch)); | |
128 | fESDVZEROfriend->SetIntMBFlag(j,iBunch,rawStream.GetIntMBFlag(i,iBunch)); | |
129 | fESDVZEROfriend->SetBBMBFlag(j,iBunch,rawStream.GetBBMBFlag(i,iBunch)); | |
130 | fESDVZEROfriend->SetBGMBFlag(j,iBunch,rawStream.GetBGMBFlag(i,iBunch)); | |
131 | } | |
132 | for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) { | |
133 | fESDVZEROfriend->SetPedestal(j,iEv,rawStream.GetPedestal(i,iEv)); | |
134 | fESDVZEROfriend->SetIntegratorFlag(j,iEv,rawStream.GetIntegratorFlag(i,iEv)); | |
135 | fESDVZEROfriend->SetBBFlag(j,iEv,rawStream.GetBBFlag(i,iEv)); | |
136 | fESDVZEROfriend->SetBGFlag(j,iEv,rawStream.GetBGFlag(i,iEv)); | |
137 | } | |
138 | fESDVZEROfriend->SetTime(j,rawStream.GetTime(i)); | |
139 | fESDVZEROfriend->SetWidth(j,rawStream.GetWidth(i)); | |
9d62c464 | 140 | } |
b090e6a3 | 141 | |
142 | // Filling the esd friend object | |
143 | fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs()); | |
144 | fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask()); | |
145 | ||
146 | for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++) | |
147 | fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler)); | |
148 | ||
149 | for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) | |
150 | fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch)); | |
151 | ||
152 | ||
9d62c464 | 153 | // Channels(aliroot numbering) will be ordered in the tree |
154 | for(Int_t iChannel = 0; iChannel < 64; iChannel++) { | |
155 | new ((*digitsArray)[digitsArray->GetEntriesFast()]) | |
d0502ab2 | 156 | AliVZEROdigit(iChannel, adc[iChannel], time[iChannel], |
157 | width[iChannel], BBFlag[iChannel], BGFlag[iChannel]); | |
9d62c464 | 158 | } |
2e0ee64a | 159 | } |
160 | ||
161 | digitsTree->Fill(); | |
162 | } | |
163 | ||
164 | //______________________________________________________________________ | |
165 | void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/, | |
b14e6eb4 | 166 | AliESDEvent* esd) const |
2e0ee64a | 167 | { |
ef314913 | 168 | // fills multiplicities to the ESD |
fe0adf2a | 169 | |
2e0ee64a | 170 | if (!digitsTree) { |
fe0adf2a | 171 | AliError("No digits tree!"); |
172 | return; | |
2e0ee64a | 173 | } |
a055ee24 | 174 | |
2e0ee64a | 175 | TClonesArray* digitsArray = NULL; |
176 | TBranch* digitBranch = digitsTree->GetBranch("VZERODigit"); | |
177 | digitBranch->SetAddress(&digitsArray); | |
35b120ff | 178 | |
a055ee24 | 179 | Short_t Multiplicity[64]; |
44b6212f | 180 | Float_t mult[64]; |
181 | Short_t adc[64]; | |
28fdf12c | 182 | Short_t time[64]; |
d0502ab2 | 183 | Short_t width[64]; |
184 | Bool_t BBFlag[64]; | |
185 | Bool_t BGFlag[64]; | |
186 | ||
35b120ff | 187 | for (Int_t i=0; i<64; i++){ |
d0502ab2 | 188 | adc[i] = 0; |
189 | mult[i] = 0.0; | |
190 | time[i] = 0; | |
191 | width[i] = 0; | |
192 | BBFlag[i] = kFALSE; | |
193 | BGFlag[i] = kFALSE; | |
a055ee24 | 194 | } |
35b120ff | 195 | |
a055ee24 | 196 | // loop over VZERO entries to get multiplicity |
2e0ee64a | 197 | Int_t nEntries = (Int_t)digitsTree->GetEntries(); |
35b120ff | 198 | for (Int_t e=0; e<nEntries; e++) { |
2e0ee64a | 199 | digitsTree->GetEvent(e); |
35b120ff | 200 | |
2e0ee64a | 201 | Int_t nDigits = digitsArray->GetEntriesFast(); |
35b120ff | 202 | |
203 | for (Int_t d=0; d<nDigits; d++) { | |
63627899 | 204 | AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d); |
205 | Int_t pmNumber = digit->PMNumber(); | |
206 | // Pedestal retrieval and suppression: | |
207 | Int_t pedestal = int(fCalibData->GetPedestal(d)); | |
d0502ab2 | 208 | adc[pmNumber] = (Short_t) digit->ADC() - pedestal; |
209 | time[pmNumber] = (Short_t) digit->Time(); | |
fe0adf2a | 210 | width[pmNumber] = (Short_t) digit->Width(); |
211 | BBFlag[pmNumber]= digit->BBFlag(); | |
212 | BGFlag[pmNumber]= digit->BGFlag(); | |
23c8ec8e | 213 | // printf("PM = %d, MIP per ADC channel = %f \n",pmNumber, fCalibData->GetMIPperADC(pmNumber)); |
44b6212f | 214 | // cut of ADC at 1MIP/2 |
fe0adf2a | 215 | if(fCollisionMode >0) { |
216 | Float_t MIP = 2.0; | |
217 | if (adc[pmNumber] > (int(MIP) /2) ) mult[pmNumber] += float(adc[pmNumber])*(1.0/MIP) ; | |
218 | } | |
219 | else{ | |
220 | if (adc[pmNumber] > (int(1.0/fCalibData->GetMIPperADC(pmNumber)) /2) ) | |
221 | mult[pmNumber] += float(adc[pmNumber])*fCalibData->GetMIPperADC(pmNumber); | |
222 | } | |
35b120ff | 223 | } // end of loop over digits |
35b120ff | 224 | } // end of loop over events in digits tree |
225 | ||
d0502ab2 | 226 | for (Int_t j=0; j<64; j++) Multiplicity[j] = short(mult[j]+0.5); |
227 | ||
a055ee24 | 228 | fESDVZERO->SetMultiplicity(Multiplicity); |
28fdf12c | 229 | fESDVZERO->SetADC(adc); |
230 | fESDVZERO->SetTime(time); | |
d0502ab2 | 231 | fESDVZERO->SetWidth(width); |
232 | fESDVZERO->SetBBFlag(BBFlag); | |
233 | fESDVZERO->SetBGFlag(BGFlag); | |
a055ee24 | 234 | |
235 | // now get the trigger mask | |
236 | ||
237 | AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask(); | |
fe0adf2a | 238 | TriggerMask->SetAdcThreshold(10.0/2.0); |
a055ee24 | 239 | TriggerMask->SetTimeWindowWidthBBA(50); |
240 | TriggerMask->SetTimeWindowWidthBGA(20); | |
241 | TriggerMask->SetTimeWindowWidthBBC(50); | |
242 | TriggerMask->SetTimeWindowWidthBGC(20); | |
243 | TriggerMask->FillMasks(digitsTree,digitsArray); | |
244 | ||
245 | fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A()); | |
246 | fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A()); | |
247 | fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C()); | |
248 | fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C()); | |
35b120ff | 249 | |
2e0ee64a | 250 | if (esd) { |
44b6212f | 251 | AliDebug(1, Form("Writing VZERO data to ESD tree")); |
252 | esd->SetVZEROData(fESDVZERO); | |
2e0ee64a | 253 | } |
b090e6a3 | 254 | |
255 | if (esd) { | |
fe0adf2a | 256 | AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend"); |
257 | if (fr) { | |
258 | AliDebug(1, Form("Writing VZERO friend data to ESD tree")); | |
259 | fr->SetVZEROfriend(fESDVZEROfriend); | |
b090e6a3 | 260 | } |
261 | } | |
35b120ff | 262 | } |
263 | ||
ce7090f5 | 264 | //_____________________________________________________________________________ |
265 | AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) | |
266 | { | |
ef314913 | 267 | // Sets the storage |
268 | ||
ce7090f5 | 269 | Bool_t deleteManager = kFALSE; |
270 | ||
271 | AliCDBManager *manager = AliCDBManager::Instance(); | |
272 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
273 | ||
274 | if(!defstorage || !(defstorage->Contains("VZERO"))){ | |
275 | AliWarning("No default storage set or default storage doesn't contain VZERO!"); | |
276 | manager->SetDefaultStorage(uri); | |
277 | deleteManager = kTRUE; | |
278 | } | |
279 | ||
280 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
281 | ||
282 | if(deleteManager){ | |
44b6212f | 283 | AliCDBManager::Instance()->UnsetDefaultStorage(); |
284 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
ce7090f5 | 285 | } |
286 | ||
287 | return storage; | |
288 | } | |
289 | ||
fe0adf2a | 290 | //____________________________________________________________________________ |
291 | void AliVZEROReconstructor::GetCollisionMode() | |
292 | { | |
293 | // Retrieves the collision mode from GRP data | |
294 | ||
295 | // Initialization of the GRP entry | |
296 | ||
297 | Int_t run = AliCDBManager::Instance()->GetRun(); | |
298 | ||
299 | // printf("\n ++++++ Run Number retrieved as %d \n",run); | |
300 | ||
301 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data",run); | |
302 | AliGRPObject* grpData = 0x0; | |
303 | ||
304 | if(entry){ | |
305 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
306 | if(m){ | |
307 | m->Print(); | |
308 | grpData = new AliGRPObject(); | |
309 | grpData->ReadValuesFromMap(m); | |
310 | } | |
311 | else{ | |
312 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
313 | entry->SetOwner(0); | |
314 | } | |
315 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
316 | } | |
317 | ||
318 | if(!grpData) { AliError("No GRP entry found in OCDB!"); | |
319 | return; } | |
320 | ||
321 | // Retrieval of simulated collision mode | |
322 | ||
323 | TString beamType = grpData->GetBeamType(); | |
324 | if(beamType==AliGRPObject::GetInvalidString()){ | |
325 | AliError("GRP/GRP/Data entry: missing value for the beam type !"); | |
326 | AliError("\t VZERO cannot retrieve beam type\n"); | |
327 | return; | |
328 | } | |
329 | ||
330 | if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){ | |
331 | fCollisionMode=0; | |
332 | } | |
333 | else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){ | |
334 | fCollisionMode=1; | |
335 | } | |
336 | ||
337 | fBeamEnergy = grpData->GetBeamEnergy(); | |
338 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { | |
339 | AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0"); | |
340 | fBeamEnergy = 0.; | |
341 | } | |
342 | ||
343 | // printf("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy); | |
344 | ||
345 | } | |
346 | ||
ce7090f5 | 347 | //_____________________________________________________________________________ |
348 | AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const | |
349 | { | |
ef314913 | 350 | // Gets calibration object for VZERO set |
ce7090f5 | 351 | |
c0b82b5a | 352 | AliCDBManager *man = AliCDBManager::Instance(); |
ce7090f5 | 353 | |
c0b82b5a | 354 | AliCDBEntry *entry=0; |
355 | ||
356 | entry = man->Get("VZERO/Calib/Data"); | |
357 | ||
94a600a1 | 358 | // if(!entry){ |
359 | // AliWarning("Load of calibration data from default storage failed!"); | |
360 | // AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)"); | |
361 | // Int_t runNumber = man->GetRun(); | |
162637e4 | 362 | // entry = man->GetStorage("local://$ALICE_ROOT/OCDB") |
94a600a1 | 363 | // ->Get("VZERO/Calib/Data",runNumber); |
364 | // | |
365 | // } | |
c0b82b5a | 366 | |
367 | // Retrieval of data in directory VZERO/Calib/Data: | |
368 | ||
c0b82b5a | 369 | AliVZEROCalibData *calibdata = 0; |
370 | ||
371 | if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject(); | |
94a600a1 | 372 | if (!calibdata) AliFatal("No calibration data from calibration database !"); |
ce7090f5 | 373 | |
374 | return calibdata; | |
375 | } | |
44b6212f | 376 |