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8309c1ab | 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 | // ZDC digitizer class // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <stdlib.h> | |
25 | ||
26 | // --- ROOT system | |
27 | #include <TTree.h> | |
28 | #include <TFile.h> | |
29 | #include <TNtuple.h> | |
30 | #include <TRandom.h> | |
31 | ||
32 | // --- AliRoot header files | |
33 | #include "AliLog.h" | |
34 | #include "AliRun.h" | |
35 | #include "AliHeader.h" | |
36 | #include "AliGenHijingEventHeader.h" | |
37 | #include "AliRunDigitizer.h" | |
38 | #include "AliRunLoader.h" | |
12434381 | 39 | #include "AliGRPObject.h" |
78d18275 | 40 | #include "AliCDBManager.h" |
48642b09 | 41 | #include "AliCDBEntry.h" |
8309c1ab | 42 | #include "AliZDCSDigit.h" |
43 | #include "AliZDCDigit.h" | |
44 | #include "AliZDCFragment.h" | |
a18a0543 | 45 | #include "AliZDCv3.h" |
8309c1ab | 46 | #include "AliZDCDigitizer.h" |
8a2624cc | 47 | |
48 | class AliCDBStorage; | |
6024ec85 | 49 | class AliZDCPedestals; |
73bc3a3f | 50 | class AliZDCEnCalib; |
51 | class AliZDCTowerCalib; | |
8309c1ab | 52 | |
53 | ClassImp(AliZDCDigitizer) | |
54 | ||
55 | ||
56 | //____________________________________________________________________________ | |
a718c993 | 57 | AliZDCDigitizer::AliZDCDigitizer() : |
58 | fIsCalibration(0), | |
fd9afd60 | 59 | fIsSignalInADCGate(kFALSE), |
60 | fFracLostSignal(0.), | |
a718c993 | 61 | fPedData(0), |
73bc3a3f | 62 | fEnCalibData(0), |
63 | fTowCalibData(0), | |
70ecaffe | 64 | fSpectators2Track(kFALSE) |
8309c1ab | 65 | { |
698e394d | 66 | // Default constructor |
8309c1ab | 67 | |
68 | } | |
69 | ||
70 | //____________________________________________________________________________ | |
71 | AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): | |
a718c993 | 72 | AliDigitizer(manager), |
73 | fIsCalibration(0), //By default the simulation doesn't create calib. data | |
fd9afd60 | 74 | fIsSignalInADCGate(kFALSE), |
75 | fFracLostSignal(0.), | |
a718c993 | 76 | fPedData(GetPedData()), |
73bc3a3f | 77 | fEnCalibData(GetEnCalibData()), |
78 | fTowCalibData(GetTowCalibData()), | |
70ecaffe | 79 | fSpectators2Track(kFALSE) |
8309c1ab | 80 | { |
78d18275 | 81 | // Get calibration data |
d27e20dd | 82 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
698e394d | 83 | for(Int_t i=0; i<6; i++){ |
84 | for(Int_t j=0; j<5; j++) | |
85 | fPMGain[i][j] = 0.; | |
86 | } | |
8309c1ab | 87 | } |
88 | ||
89 | //____________________________________________________________________________ | |
90 | AliZDCDigitizer::~AliZDCDigitizer() | |
91 | { | |
92 | // Destructor | |
a718c993 | 93 | // Not implemented |
8309c1ab | 94 | } |
95 | ||
96 | ||
cc2abffd | 97 | //____________________________________________________________________________ |
98 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 99 | AliDigitizer(), |
100 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 101 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
102 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 103 | fPedData(digitizer.fPedData), |
73bc3a3f | 104 | fEnCalibData(digitizer.fEnCalibData), |
105 | fTowCalibData(digitizer.fTowCalibData), | |
70ecaffe | 106 | fSpectators2Track(digitizer.fSpectators2Track) |
cc2abffd | 107 | { |
108 | // Copy constructor | |
109 | ||
110 | for(Int_t i=0; i<6; i++){ | |
111 | for(Int_t j=0; j<5; j++){ | |
112 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
113 | } | |
114 | } | |
115 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 116 | |
12434381 | 117 | |
cc2abffd | 118 | } |
119 | ||
8309c1ab | 120 | //____________________________________________________________________________ |
121 | Bool_t AliZDCDigitizer::Init() | |
122 | { | |
48642b09 | 123 | // Initialize the digitizer |
12434381 | 124 | |
125 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); | |
126 | AliGRPObject* grpData = 0x0; | |
127 | if(entry){ | |
128 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
129 | if(m){ | |
130 | //m->Print(); | |
131 | grpData = new AliGRPObject(); | |
132 | grpData->ReadValuesFromMap(m); | |
133 | } | |
134 | else{ | |
135 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
136 | } | |
137 | entry->SetOwner(0); | |
138 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
139 | } | |
140 | if(!grpData) AliError("No GRP entry found in OCDB!"); | |
141 | ||
142 | TString beamType = grpData->GetBeamType(); | |
143 | if(beamType==AliGRPObject::GetInvalidString()){ | |
144 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
145 | } | |
146 | ||
698e394d | 147 | Float_t beamEnergy = grpData->GetBeamEnergy()/2.; |
12434381 | 148 | if(beamEnergy==AliGRPObject::GetInvalidFloat()){ |
149 | AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); | |
150 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
151 | beamEnergy = 0.; | |
152 | } | |
153 | ||
154 | if((beamType.CompareTo("P-P")) == 0){ | |
155 | //PTM gains rescaled to beam energy for p-p | |
156 | if(beamEnergy != 0){ | |
157 | for(Int_t j = 0; j < 5; j++){ | |
e24fa7ff | 158 | fPMGain[0][j] = (661.444/beamEnergy+0.000740671)*10000000; |
159 | fPMGain[1][j] = (864.350/beamEnergy+0.002344)*10000000; | |
698e394d | 160 | fPMGain[2][j] = (1.32312-0.000101515*beamEnergy)*10000000; |
161 | fPMGain[3][j] = fPMGain[0][j]; | |
162 | fPMGain[4][j] = fPMGain[1][j] ; | |
12434381 | 163 | } |
698e394d | 164 | AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
165 | beamEnergy, beamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][0])); | |
12434381 | 166 | } |
167 | } | |
168 | else if((beamType.CompareTo("A-A")) == 0){ | |
169 | // PTM gains for Pb-Pb @ 2.7_2.7 A TeV *************** | |
170 | for(Int_t j = 0; j < 5; j++){ | |
171 | fPMGain[0][j] = 50000.; | |
172 | fPMGain[1][j] = 100000.; | |
173 | fPMGain[2][j] = 100000.; | |
174 | fPMGain[3][j] = 50000.; | |
175 | fPMGain[4][j] = 100000.; | |
176 | fPMGain[5][j] = 100000.; | |
177 | } | |
178 | } | |
698e394d | 179 | |
180 | // ADC Caen V965 | |
7f73eb6b | 181 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh |
182 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 183 | |
184 | return kTRUE; | |
185 | } | |
186 | ||
187 | //____________________________________________________________________________ | |
188 | void AliZDCDigitizer::Exec(Option_t* /*option*/) | |
189 | { | |
48642b09 | 190 | // Execute digitization |
8309c1ab | 191 | |
d79f8d50 | 192 | // ------------------------------------------------------------ |
83347831 | 193 | // !!! 2nd ZDC set added |
7f73eb6b | 194 | // *** 1st 3 arrays are digits from REAL (simulated) hits |
195 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 196 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
197 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 198 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 199 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
200 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 201 | // ------------------------------------------------------------ |
202 | Float_t pm[5][5]; | |
8574b308 | 203 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
204 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 205 | pm[iSector1][iSector2] = 0; |
206 | } | |
d79f8d50 | 207 | |
208 | // ------------------------------------------------------------ | |
209 | // ### Out of time ADC added (22 channels) | |
210 | // --- same codification as for signal PTMs (see above) | |
211 | // ------------------------------------------------------------ | |
212 | Float_t pmoot[5][5]; | |
8574b308 | 213 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
214 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 215 | pmoot[iSector1][iSector2] = 0; |
216 | } | |
8309c1ab | 217 | |
218 | // impact parameter and number of spectators | |
219 | Float_t impPar = -1; | |
fd9afd60 | 220 | Int_t specNTarg = 0, specPTarg = 0; |
221 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 222 | Float_t signalTime0 = 0.; |
8309c1ab | 223 | |
224 | // loop over input streams | |
8574b308 | 225 | for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){ |
8309c1ab | 226 | |
227 | // get run loader and ZDC loader | |
228 | AliRunLoader* runLoader = | |
229 | AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); | |
230 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 231 | if(!loader) continue; |
8309c1ab | 232 | |
233 | // load sdigits | |
234 | loader->LoadSDigits(); | |
235 | TTree* treeS = loader->TreeS(); | |
8574b308 | 236 | if(!treeS) continue; |
8309c1ab | 237 | AliZDCSDigit sdigit; |
238 | AliZDCSDigit* psdigit = &sdigit; | |
239 | treeS->SetBranchAddress("ZDC", &psdigit); | |
240 | ||
241 | // loop over sdigits | |
8574b308 | 242 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 243 | treeS->GetEntry(iSDigit); |
7f73eb6b | 244 | // |
8574b308 | 245 | if(!psdigit) continue; |
246 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 247 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
248 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
249 | continue; | |
250 | } | |
fd9afd60 | 251 | // Checking if signal is inside ADC gate |
252 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
253 | else{ | |
254 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
255 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
256 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
257 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
258 | fIsSignalInADCGate = kFALSE; | |
259 | // Vedi quaderno per spiegazione approx. usata | |
260 | // nel calcolo della fraz. di segnale perso | |
261 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; | |
262 | } | |
263 | } | |
698e394d | 264 | |
fd9afd60 | 265 | Float_t sdSignal = sdigit.GetLightPM(); |
266 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 267 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 268 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 269 | sdSignal = (1-fFracLostSignal)*sdSignal; |
270 | } | |
271 | ||
48642b09 | 272 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
698e394d | 273 | //Ch. debug |
274 | /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", | |
48642b09 | 275 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
698e394d | 276 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); |
878fa0b3 | 277 | */ |
fd9afd60 | 278 | |
8309c1ab | 279 | } |
280 | ||
8309c1ab | 281 | loader->UnloadSDigits(); |
282 | ||
283 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 284 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 285 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 286 | if(!header) continue; |
8309c1ab | 287 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 288 | if(!genHeader) continue; |
289 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
a18a0543 | 290 | |
70ecaffe | 291 | if(fSpectators2Track==kTRUE){ |
a18a0543 | 292 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
293 | specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
294 | specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
295 | specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); | |
296 | specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); | |
297 | printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" | |
298 | " \t PROJ.: #spectator n %d, #spectator p %d\n" | |
299 | " \t TARG.: #spectator n %d, #spectator p %d\n\n", | |
300 | impPar, specNProj, specPProj, specNTarg, specPTarg); | |
301 | } | |
302 | ||
8309c1ab | 303 | } |
304 | ||
fd9afd60 | 305 | // Applying fragmentation algorithm and adding spectator signal |
70ecaffe | 306 | if(fSpectators2Track==kTRUE && impPar) { |
fd9afd60 | 307 | Int_t freeSpecNProj, freeSpecPProj; |
308 | Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
309 | Int_t freeSpecNTarg, freeSpecPTarg; | |
310 | Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
311 | SpectatorSignal(1, freeSpecNProj, pm); | |
a18a0543 | 312 | //printf(" AliZDCDigitizer -> Signal for %d PROJ free spectator n",freeSpecNProj); |
fd9afd60 | 313 | SpectatorSignal(2, freeSpecPProj, pm); |
a18a0543 | 314 | //printf(" and %d free spectator p added\n",freeSpecPProj); |
fd9afd60 | 315 | SpectatorSignal(3, freeSpecNTarg, pm); |
a18a0543 | 316 | //printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n",freeSpecNTarg); |
fd9afd60 | 317 | SpectatorSignal(4, freeSpecPTarg, pm); |
a18a0543 | 318 | //printf("and %d free spectator p added\n",freeSpecPTarg); |
8309c1ab | 319 | } |
320 | ||
8a2624cc | 321 | |
8309c1ab | 322 | // get the output run loader and loader |
323 | AliRunLoader* runLoader = | |
324 | AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
325 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 326 | if(!loader) { |
8309c1ab | 327 | AliError("no ZDC loader found"); |
328 | return; | |
329 | } | |
330 | ||
331 | // create the output tree | |
332 | const char* mode = "update"; | |
8574b308 | 333 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 334 | loader->LoadDigits(mode); |
335 | loader->MakeTree("D"); | |
336 | TTree* treeD = loader->TreeD(); | |
337 | AliZDCDigit digit; | |
338 | AliZDCDigit* pdigit = &digit; | |
339 | const Int_t kBufferSize = 4000; | |
340 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
341 | ||
342 | // Create digits | |
80e87581 | 343 | Int_t sector[2]; |
344 | Int_t digi[2], digioot[2]; | |
345 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 346 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
347 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 348 | for(Int_t res=0; res<2; res++){ |
abf60186 | 349 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 350 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 351 | } |
abf60186 | 352 | new(pdigit) AliZDCDigit(sector, digi); |
8309c1ab | 353 | treeD->Fill(); |
698e394d | 354 | |
355 | //Ch. debug | |
356 | //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", | |
357 | // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
358 | ||
8309c1ab | 359 | } |
83347831 | 360 | } // Loop over detector |
361 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
362 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
363 | Int_t sectorRef[2]; | |
364 | sectorRef[1] = 5; | |
9d38ced8 | 365 | Int_t sigRef[2]; |
80e87581 | 366 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 367 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 368 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 369 | // |
83347831 | 370 | for(Int_t iref=0; iref<2; iref++){ |
371 | sectorRef[0] = 3*iref+1; | |
372 | for(Int_t res=0; res<2; res++){ | |
373 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
374 | } | |
83347831 | 375 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
376 | treeD->Fill(); | |
698e394d | 377 | |
378 | //Ch. debug | |
379 | //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
380 | // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
abf60186 | 381 | } |
d79f8d50 | 382 | // |
383 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 384 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 385 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
386 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 387 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 388 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
389 | } | |
d79f8d50 | 390 | new(pdigit) AliZDCDigit(sector, digioot); |
391 | treeD->Fill(); | |
698e394d | 392 | |
393 | //Ch. debug | |
394 | //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
395 | // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
d79f8d50 | 396 | } |
397 | } | |
83347831 | 398 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
399 | Int_t sigRefoot[2]; | |
400 | for(Int_t iref=0; iref<2; iref++){ | |
401 | sectorRef[0] = 3*iref+1; | |
402 | for(Int_t res=0; res<2; res++){ | |
403 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
404 | } | |
83347831 | 405 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
406 | treeD->Fill(); | |
698e394d | 407 | //Ch. debug |
408 | //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
409 | // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
410 | ||
83347831 | 411 | } |
412 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
413 | ||
8309c1ab | 414 | // write the output tree |
415 | loader->WriteDigits("OVERWRITE"); | |
416 | loader->UnloadDigits(); | |
417 | } | |
418 | ||
419 | ||
420 | //_____________________________________________________________________________ | |
421 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
422 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
423 | { | |
424 | // simulate fragmentation of spectators | |
425 | ||
8309c1ab | 426 | AliZDCFragment frag(impPar); |
8309c1ab | 427 | |
428 | // Fragments generation | |
92339a90 | 429 | frag.GenerateIMF(); |
430 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 431 | |
432 | // Attach neutrons | |
92339a90 | 433 | Int_t ztot = frag.GetZtot(); |
434 | Int_t ntot = frag.GetNtot(); | |
435 | frag.AttachNeutrons(); | |
8309c1ab | 436 | freeSpecN = specN-ntot-2*nAlpha; |
437 | freeSpecP = specP-ztot-2*nAlpha; | |
3848c666 | 438 | // Removing deuterons |
a0607c1f | 439 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 440 | freeSpecN -= ndeu; |
441 | // | |
8309c1ab | 442 | if(freeSpecN<0) freeSpecN=0; |
443 | if(freeSpecP<0) freeSpecP=0; | |
444 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
445 | } | |
446 | ||
447 | //_____________________________________________________________________________ | |
448 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 449 | Float_t pm[5][5]) const |
8309c1ab | 450 | { |
451 | // add signal of the spectators | |
fd9afd60 | 452 | |
453 | TString hfn; | |
454 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
455 | hfn = "$ALICE_ROOT/ZDC/ZNCSignal.root"; | |
456 | } | |
457 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
458 | hfn = "$ALICE_ROOT/ZDC/ZPCSignal.root"; | |
8309c1ab | 459 | } |
fd9afd60 | 460 | else if(SpecType == 3) { // --- Signal for target spectator neutrons |
461 | hfn = "$ALICE_ROOT/ZDC/ZNASignal.root"; | |
462 | } | |
463 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
464 | hfn = "$ALICE_ROOT/ZDC/ZPASignal.root"; | |
465 | } | |
466 | ||
467 | TFile* file = TFile::Open(hfn); | |
8574b308 | 468 | if(!file || !file->IsOpen()) { |
fd9afd60 | 469 | AliError((Form(" Opening file %s failed\n",hfn.Data()))); |
8309c1ab | 470 | return; |
471 | } | |
472 | ||
473 | TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); | |
474 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); | |
475 | ||
fd9afd60 | 476 | Float_t *entry; |
477 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 478 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 479 | if(numEvents > 125) { |
fea9b334 | 480 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 481 | numEvents = 125; |
482 | } | |
483 | for(pl=0;pl<numEvents;pl++){ | |
484 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 485 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 486 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
487 | } | |
488 | // Sorting vector in ascending order with C function QSORT | |
489 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
490 | do{ | |
491 | for(i=0; i<nentries; i++){ | |
492 | zdcSignal->GetEvent(i); | |
493 | entry = zdcSignal->GetArgs(); | |
494 | if(entry[0] == rnd[iev]){ | |
495 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 496 | // |
fd9afd60 | 497 | Float_t lightQ = entry[7]; |
498 | Float_t lightC = entry[8]; | |
499 | // | |
acf9550c | 500 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 501 | pm[volume[0]-1][0] += lightC; |
502 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 503 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
504 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
505 | } | |
506 | else { | |
8574b308 | 507 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 508 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 509 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
510 | } | |
8309c1ab | 511 | } |
512 | else if(entry[0] > rnd[iev]){ | |
513 | iev++; | |
514 | continue; | |
515 | } | |
516 | } | |
517 | }while(iev<numEvents); | |
518 | ||
519 | file->Close(); | |
520 | delete file; | |
521 | } | |
522 | ||
523 | ||
524 | //_____________________________________________________________________________ | |
525 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
526 | Int_t Res) const | |
527 | { | |
48642b09 | 528 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 529 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
698e394d | 530 | // Ch. debug |
531 | //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", | |
532 | // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); | |
7f73eb6b | 533 | |
8a2624cc | 534 | return vADCch; |
48642b09 | 535 | } |
8309c1ab | 536 | |
48642b09 | 537 | //_____________________________________________________________________________ |
538 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
539 | { | |
8a2624cc | 540 | // Returns a pedestal for detector det, PM quad, channel with res. |
541 | // | |
65b16e87 | 542 | Float_t pedValue; |
abf60186 | 543 | // Normal run |
544 | if(fIsCalibration == 0){ | |
c35ed519 | 545 | Int_t index=0, kNch=24; |
83347831 | 546 | if(Quad!=5){ |
c35ed519 | 547 | if(Det==1) index = Quad+kNch*Res; // ZNC |
548 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
549 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
550 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
551 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 552 | } |
c35ed519 | 553 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 554 | // |
c35ed519 | 555 | Float_t meanPed = fPedData->GetMeanPed(index); |
556 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 557 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 558 | // |
58e12fee | 559 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 560 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 561 | */ |
562 | } | |
7f73eb6b | 563 | // To create calibration object |
83347831 | 564 | else{ |
65b16e87 | 565 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
566 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 567 | } |
dbc8d7fc | 568 | |
65b16e87 | 569 | return (Int_t) pedValue; |
8309c1ab | 570 | } |
571 | ||
572 | //_____________________________________________________________________________ | |
78d18275 | 573 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 574 | { |
8309c1ab | 575 | |
78d18275 | 576 | Bool_t deleteManager = kFALSE; |
48642b09 | 577 | |
78d18275 | 578 | AliCDBManager *manager = AliCDBManager::Instance(); |
579 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 580 | |
78d18275 | 581 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
582 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
583 | manager->SetDefaultStorage(uri); | |
584 | deleteManager = kTRUE; | |
585 | } | |
586 | ||
587 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
588 | ||
589 | if(deleteManager){ | |
590 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
591 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
592 | } | |
593 | ||
594 | return storage; | |
595 | } | |
48642b09 | 596 | |
78d18275 | 597 | //_____________________________________________________________________________ |
6024ec85 | 598 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
599 | { | |
600 | ||
601 | // Getting pedestal calibration object for ZDC set | |
602 | ||
603 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
604 | if(!entry) AliFatal("No calibration data loaded!"); | |
605 | ||
606 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
607 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
608 | ||
609 | return calibdata; | |
610 | } | |
611 | ||
612 | //_____________________________________________________________________________ | |
73bc3a3f | 613 | AliZDCEnCalib* AliZDCDigitizer::GetEnCalibData() const |
6024ec85 | 614 | { |
615 | ||
616 | // Getting calibration object for ZDC set | |
617 | ||
dd98e862 | 618 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EnergyCalib"); |
6024ec85 | 619 | if(!entry) AliFatal("No calibration data loaded!"); |
620 | ||
73bc3a3f | 621 | AliZDCEnCalib *calibdata = dynamic_cast<AliZDCEnCalib*> (entry->GetObject()); |
622 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
623 | ||
624 | return calibdata; | |
625 | } | |
626 | ||
627 | //_____________________________________________________________________________ | |
628 | AliZDCTowerCalib* AliZDCDigitizer::GetTowCalibData() const | |
629 | { | |
630 | ||
631 | // Getting calibration object for ZDC set | |
632 | ||
dd98e862 | 633 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/TowerCalib"); |
73bc3a3f | 634 | if(!entry) AliFatal("No calibration data loaded!"); |
635 | ||
636 | AliZDCTowerCalib *calibdata = dynamic_cast<AliZDCTowerCalib*> (entry->GetObject()); | |
6024ec85 | 637 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); |
638 | ||
639 | return calibdata; | |
640 | } |