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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" | |
78d18275 | 39 | #include "AliCDBManager.h" |
48642b09 | 40 | #include "AliCDBEntry.h" |
8309c1ab | 41 | #include "AliZDCSDigit.h" |
42 | #include "AliZDCDigit.h" | |
43 | #include "AliZDCFragment.h" | |
a18a0543 | 44 | #include "AliZDCv3.h" |
8309c1ab | 45 | #include "AliZDCDigitizer.h" |
8a2624cc | 46 | |
47 | class AliCDBStorage; | |
6024ec85 | 48 | class AliZDCPedestals; |
73bc3a3f | 49 | class AliZDCEnCalib; |
50 | class AliZDCTowerCalib; | |
8309c1ab | 51 | |
52 | ClassImp(AliZDCDigitizer) | |
53 | ||
54 | ||
55 | //____________________________________________________________________________ | |
a718c993 | 56 | AliZDCDigitizer::AliZDCDigitizer() : |
57 | fIsCalibration(0), | |
fd9afd60 | 58 | fIsSignalInADCGate(kFALSE), |
59 | fFracLostSignal(0.), | |
a718c993 | 60 | fPedData(0), |
73bc3a3f | 61 | fEnCalibData(0), |
62 | fTowCalibData(0), | |
70ecaffe | 63 | fSpectators2Track(kFALSE) |
8309c1ab | 64 | { |
65 | // Default constructor | |
66 | ||
67 | } | |
68 | ||
69 | //____________________________________________________________________________ | |
70 | AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): | |
a718c993 | 71 | AliDigitizer(manager), |
72 | fIsCalibration(0), //By default the simulation doesn't create calib. data | |
fd9afd60 | 73 | fIsSignalInADCGate(kFALSE), |
74 | fFracLostSignal(0.), | |
a718c993 | 75 | fPedData(GetPedData()), |
73bc3a3f | 76 | fEnCalibData(GetEnCalibData()), |
77 | fTowCalibData(GetTowCalibData()), | |
70ecaffe | 78 | fSpectators2Track(kFALSE) |
8309c1ab | 79 | { |
78d18275 | 80 | // Get calibration data |
d27e20dd | 81 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
78d18275 | 82 | |
8309c1ab | 83 | } |
84 | ||
85 | //____________________________________________________________________________ | |
86 | AliZDCDigitizer::~AliZDCDigitizer() | |
87 | { | |
88 | // Destructor | |
a718c993 | 89 | // Not implemented |
8309c1ab | 90 | } |
91 | ||
92 | ||
cc2abffd | 93 | //____________________________________________________________________________ |
94 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 95 | AliDigitizer(), |
96 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 97 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
98 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 99 | fPedData(digitizer.fPedData), |
73bc3a3f | 100 | fEnCalibData(digitizer.fEnCalibData), |
101 | fTowCalibData(digitizer.fTowCalibData), | |
70ecaffe | 102 | fSpectators2Track(digitizer.fSpectators2Track) |
cc2abffd | 103 | { |
104 | // Copy constructor | |
105 | ||
106 | for(Int_t i=0; i<6; i++){ | |
107 | for(Int_t j=0; j<5; j++){ | |
108 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
109 | } | |
110 | } | |
111 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 112 | |
113 | } | |
114 | ||
8309c1ab | 115 | //____________________________________________________________________________ |
116 | Bool_t AliZDCDigitizer::Init() | |
117 | { | |
48642b09 | 118 | // Initialize the digitizer |
119 | // NB -> PM gain vs. HV & ADC resolutions will move to DCDB *************** | |
7f73eb6b | 120 | for(Int_t j = 0; j < 5; j++){ |
121 | fPMGain[0][j] = 50000.; | |
122 | fPMGain[1][j] = 100000.; | |
123 | fPMGain[2][j] = 100000.; | |
a017f01b | 124 | fPMGain[3][j] = 50000.; |
125 | fPMGain[4][j] = 100000.; | |
126 | fPMGain[5][j] = 100000.; | |
7f73eb6b | 127 | } |
128 | // ADC Caen V965 | |
129 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh | |
130 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 131 | |
132 | return kTRUE; | |
133 | } | |
134 | ||
135 | //____________________________________________________________________________ | |
136 | void AliZDCDigitizer::Exec(Option_t* /*option*/) | |
137 | { | |
48642b09 | 138 | // Execute digitization |
8309c1ab | 139 | |
d79f8d50 | 140 | // ------------------------------------------------------------ |
83347831 | 141 | // !!! 2nd ZDC set added |
7f73eb6b | 142 | // *** 1st 3 arrays are digits from REAL (simulated) hits |
143 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 144 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
145 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 146 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 147 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
148 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 149 | // ------------------------------------------------------------ |
150 | Float_t pm[5][5]; | |
8574b308 | 151 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
152 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 153 | pm[iSector1][iSector2] = 0; |
154 | } | |
d79f8d50 | 155 | |
156 | // ------------------------------------------------------------ | |
157 | // ### Out of time ADC added (22 channels) | |
158 | // --- same codification as for signal PTMs (see above) | |
159 | // ------------------------------------------------------------ | |
160 | Float_t pmoot[5][5]; | |
8574b308 | 161 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
162 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 163 | pmoot[iSector1][iSector2] = 0; |
164 | } | |
8309c1ab | 165 | |
166 | // impact parameter and number of spectators | |
167 | Float_t impPar = -1; | |
fd9afd60 | 168 | Int_t specNTarg = 0, specPTarg = 0; |
169 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 170 | Float_t signalTime0 = 0.; |
8309c1ab | 171 | |
172 | // loop over input streams | |
8574b308 | 173 | for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){ |
8309c1ab | 174 | |
175 | // get run loader and ZDC loader | |
176 | AliRunLoader* runLoader = | |
177 | AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); | |
178 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 179 | if(!loader) continue; |
8309c1ab | 180 | |
181 | // load sdigits | |
182 | loader->LoadSDigits(); | |
183 | TTree* treeS = loader->TreeS(); | |
8574b308 | 184 | if(!treeS) continue; |
8309c1ab | 185 | AliZDCSDigit sdigit; |
186 | AliZDCSDigit* psdigit = &sdigit; | |
187 | treeS->SetBranchAddress("ZDC", &psdigit); | |
188 | ||
189 | // loop over sdigits | |
8574b308 | 190 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 191 | treeS->GetEntry(iSDigit); |
7f73eb6b | 192 | // |
8574b308 | 193 | if(!psdigit) continue; |
194 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 195 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
196 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
197 | continue; | |
198 | } | |
fd9afd60 | 199 | // Checking if signal is inside ADC gate |
200 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
201 | else{ | |
202 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
203 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
204 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
205 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
206 | fIsSignalInADCGate = kFALSE; | |
207 | // Vedi quaderno per spiegazione approx. usata | |
208 | // nel calcolo della fraz. di segnale perso | |
209 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; | |
210 | } | |
211 | } | |
212 | Float_t sdSignal = sdigit.GetLightPM(); | |
213 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 214 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 215 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 216 | sdSignal = (1-fFracLostSignal)*sdSignal; |
217 | } | |
218 | ||
48642b09 | 219 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
878fa0b3 | 220 | /*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", |
48642b09 | 221 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
878fa0b3 | 222 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging! |
223 | */ | |
fd9afd60 | 224 | |
8309c1ab | 225 | } |
226 | ||
8309c1ab | 227 | loader->UnloadSDigits(); |
228 | ||
229 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 230 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 231 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 232 | if(!header) continue; |
8309c1ab | 233 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 234 | if(!genHeader) continue; |
235 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
a18a0543 | 236 | |
70ecaffe | 237 | if(fSpectators2Track==kTRUE){ |
a18a0543 | 238 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
239 | specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
240 | specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
241 | specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); | |
242 | specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); | |
243 | printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" | |
244 | " \t PROJ.: #spectator n %d, #spectator p %d\n" | |
245 | " \t TARG.: #spectator n %d, #spectator p %d\n\n", | |
246 | impPar, specNProj, specPProj, specNTarg, specPTarg); | |
247 | } | |
248 | ||
8309c1ab | 249 | } |
250 | ||
fd9afd60 | 251 | // Applying fragmentation algorithm and adding spectator signal |
70ecaffe | 252 | if(fSpectators2Track==kTRUE && impPar) { |
fd9afd60 | 253 | Int_t freeSpecNProj, freeSpecPProj; |
254 | Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
255 | Int_t freeSpecNTarg, freeSpecPTarg; | |
256 | Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
257 | SpectatorSignal(1, freeSpecNProj, pm); | |
a18a0543 | 258 | //printf(" AliZDCDigitizer -> Signal for %d PROJ free spectator n",freeSpecNProj); |
fd9afd60 | 259 | SpectatorSignal(2, freeSpecPProj, pm); |
a18a0543 | 260 | //printf(" and %d free spectator p added\n",freeSpecPProj); |
fd9afd60 | 261 | SpectatorSignal(3, freeSpecNTarg, pm); |
a18a0543 | 262 | //printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n",freeSpecNTarg); |
fd9afd60 | 263 | SpectatorSignal(4, freeSpecPTarg, pm); |
a18a0543 | 264 | //printf("and %d free spectator p added\n",freeSpecPTarg); |
8309c1ab | 265 | } |
266 | ||
8a2624cc | 267 | |
8309c1ab | 268 | // get the output run loader and loader |
269 | AliRunLoader* runLoader = | |
270 | AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
271 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 272 | if(!loader) { |
8309c1ab | 273 | AliError("no ZDC loader found"); |
274 | return; | |
275 | } | |
276 | ||
277 | // create the output tree | |
278 | const char* mode = "update"; | |
8574b308 | 279 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 280 | loader->LoadDigits(mode); |
281 | loader->MakeTree("D"); | |
282 | TTree* treeD = loader->TreeD(); | |
283 | AliZDCDigit digit; | |
284 | AliZDCDigit* pdigit = &digit; | |
285 | const Int_t kBufferSize = 4000; | |
286 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
287 | ||
288 | // Create digits | |
80e87581 | 289 | Int_t sector[2]; |
290 | Int_t digi[2], digioot[2]; | |
291 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 292 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
293 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 294 | for(Int_t res=0; res<2; res++){ |
abf60186 | 295 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 296 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 297 | } |
878fa0b3 | 298 | /*printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", |
299 | sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
300 | */ | |
abf60186 | 301 | // |
302 | new(pdigit) AliZDCDigit(sector, digi); | |
8309c1ab | 303 | treeD->Fill(); |
304 | } | |
83347831 | 305 | } // Loop over detector |
306 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
307 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
308 | Int_t sectorRef[2]; | |
309 | sectorRef[1] = 5; | |
9d38ced8 | 310 | Int_t sigRef[2]; |
80e87581 | 311 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 312 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 313 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 314 | // |
83347831 | 315 | for(Int_t iref=0; iref<2; iref++){ |
316 | sectorRef[0] = 3*iref+1; | |
317 | for(Int_t res=0; res<2; res++){ | |
318 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
319 | } | |
878fa0b3 | 320 | /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", |
321 | sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
322 | */ | |
83347831 | 323 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
324 | treeD->Fill(); | |
abf60186 | 325 | } |
d79f8d50 | 326 | // |
327 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 328 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 329 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
330 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 331 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 332 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
333 | } | |
878fa0b3 | 334 | /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", |
335 | sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
336 | */ | |
d79f8d50 | 337 | // |
338 | new(pdigit) AliZDCDigit(sector, digioot); | |
339 | treeD->Fill(); | |
d79f8d50 | 340 | } |
341 | } | |
83347831 | 342 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
343 | Int_t sigRefoot[2]; | |
344 | for(Int_t iref=0; iref<2; iref++){ | |
345 | sectorRef[0] = 3*iref+1; | |
346 | for(Int_t res=0; res<2; res++){ | |
347 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
348 | } | |
878fa0b3 | 349 | /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", |
350 | sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
351 | */ | |
83347831 | 352 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
353 | treeD->Fill(); | |
83347831 | 354 | } |
355 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
356 | ||
8309c1ab | 357 | // write the output tree |
358 | loader->WriteDigits("OVERWRITE"); | |
359 | loader->UnloadDigits(); | |
360 | } | |
361 | ||
362 | ||
363 | //_____________________________________________________________________________ | |
364 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
365 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
366 | { | |
367 | // simulate fragmentation of spectators | |
368 | ||
8309c1ab | 369 | AliZDCFragment frag(impPar); |
8309c1ab | 370 | |
371 | // Fragments generation | |
92339a90 | 372 | frag.GenerateIMF(); |
373 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 374 | |
375 | // Attach neutrons | |
92339a90 | 376 | Int_t ztot = frag.GetZtot(); |
377 | Int_t ntot = frag.GetNtot(); | |
378 | frag.AttachNeutrons(); | |
8309c1ab | 379 | freeSpecN = specN-ntot-2*nAlpha; |
380 | freeSpecP = specP-ztot-2*nAlpha; | |
3848c666 | 381 | // Removing deuterons |
a0607c1f | 382 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 383 | freeSpecN -= ndeu; |
384 | // | |
8309c1ab | 385 | if(freeSpecN<0) freeSpecN=0; |
386 | if(freeSpecP<0) freeSpecP=0; | |
387 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
388 | } | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 392 | Float_t pm[5][5]) const |
8309c1ab | 393 | { |
394 | // add signal of the spectators | |
fd9afd60 | 395 | |
396 | TString hfn; | |
397 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
398 | hfn = "$ALICE_ROOT/ZDC/ZNCSignal.root"; | |
399 | } | |
400 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
401 | hfn = "$ALICE_ROOT/ZDC/ZPCSignal.root"; | |
8309c1ab | 402 | } |
fd9afd60 | 403 | else if(SpecType == 3) { // --- Signal for target spectator neutrons |
404 | hfn = "$ALICE_ROOT/ZDC/ZNASignal.root"; | |
405 | } | |
406 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
407 | hfn = "$ALICE_ROOT/ZDC/ZPASignal.root"; | |
408 | } | |
409 | ||
410 | TFile* file = TFile::Open(hfn); | |
8574b308 | 411 | if(!file || !file->IsOpen()) { |
fd9afd60 | 412 | AliError((Form(" Opening file %s failed\n",hfn.Data()))); |
8309c1ab | 413 | return; |
414 | } | |
415 | ||
416 | TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); | |
417 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); | |
418 | ||
fd9afd60 | 419 | Float_t *entry; |
420 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 421 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 422 | if(numEvents > 125) { |
fea9b334 | 423 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 424 | numEvents = 125; |
425 | } | |
426 | for(pl=0;pl<numEvents;pl++){ | |
427 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 428 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 429 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
430 | } | |
431 | // Sorting vector in ascending order with C function QSORT | |
432 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
433 | do{ | |
434 | for(i=0; i<nentries; i++){ | |
435 | zdcSignal->GetEvent(i); | |
436 | entry = zdcSignal->GetArgs(); | |
437 | if(entry[0] == rnd[iev]){ | |
438 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 439 | // |
fd9afd60 | 440 | Float_t lightQ = entry[7]; |
441 | Float_t lightC = entry[8]; | |
442 | // | |
acf9550c | 443 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 444 | pm[volume[0]-1][0] += lightC; |
445 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 446 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
447 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
448 | } | |
449 | else { | |
8574b308 | 450 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 451 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 452 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
453 | } | |
8309c1ab | 454 | } |
455 | else if(entry[0] > rnd[iev]){ | |
456 | iev++; | |
457 | continue; | |
458 | } | |
459 | } | |
460 | }while(iev<numEvents); | |
461 | ||
462 | file->Close(); | |
463 | delete file; | |
464 | } | |
465 | ||
466 | ||
467 | //_____________________________________________________________________________ | |
468 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
469 | Int_t Res) const | |
470 | { | |
48642b09 | 471 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 472 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
878fa0b3 | 473 | //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,vADCch); |
7f73eb6b | 474 | |
8a2624cc | 475 | return vADCch; |
48642b09 | 476 | } |
8309c1ab | 477 | |
48642b09 | 478 | //_____________________________________________________________________________ |
479 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
480 | { | |
8a2624cc | 481 | // Returns a pedestal for detector det, PM quad, channel with res. |
482 | // | |
65b16e87 | 483 | Float_t pedValue; |
abf60186 | 484 | // Normal run |
485 | if(fIsCalibration == 0){ | |
c35ed519 | 486 | Int_t index=0, kNch=24; |
83347831 | 487 | if(Quad!=5){ |
c35ed519 | 488 | if(Det==1) index = Quad+kNch*Res; // ZNC |
489 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
490 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
491 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
492 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 493 | } |
c35ed519 | 494 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 495 | // |
c35ed519 | 496 | Float_t meanPed = fPedData->GetMeanPed(index); |
497 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 498 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 499 | // |
58e12fee | 500 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 501 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 502 | */ |
503 | } | |
7f73eb6b | 504 | // To create calibration object |
83347831 | 505 | else{ |
65b16e87 | 506 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
507 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 508 | } |
dbc8d7fc | 509 | |
65b16e87 | 510 | return (Int_t) pedValue; |
8309c1ab | 511 | } |
512 | ||
513 | //_____________________________________________________________________________ | |
78d18275 | 514 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 515 | { |
8309c1ab | 516 | |
78d18275 | 517 | Bool_t deleteManager = kFALSE; |
48642b09 | 518 | |
78d18275 | 519 | AliCDBManager *manager = AliCDBManager::Instance(); |
520 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 521 | |
78d18275 | 522 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
523 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
524 | manager->SetDefaultStorage(uri); | |
525 | deleteManager = kTRUE; | |
526 | } | |
527 | ||
528 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
529 | ||
530 | if(deleteManager){ | |
531 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
532 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
533 | } | |
534 | ||
535 | return storage; | |
536 | } | |
48642b09 | 537 | |
78d18275 | 538 | //_____________________________________________________________________________ |
6024ec85 | 539 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
540 | { | |
541 | ||
542 | // Getting pedestal calibration object for ZDC set | |
543 | ||
544 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
545 | if(!entry) AliFatal("No calibration data loaded!"); | |
546 | ||
547 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
548 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
549 | ||
550 | return calibdata; | |
551 | } | |
552 | ||
553 | //_____________________________________________________________________________ | |
73bc3a3f | 554 | AliZDCEnCalib* AliZDCDigitizer::GetEnCalibData() const |
6024ec85 | 555 | { |
556 | ||
557 | // Getting calibration object for ZDC set | |
558 | ||
73bc3a3f | 559 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EnCalib"); |
6024ec85 | 560 | if(!entry) AliFatal("No calibration data loaded!"); |
561 | ||
73bc3a3f | 562 | AliZDCEnCalib *calibdata = dynamic_cast<AliZDCEnCalib*> (entry->GetObject()); |
563 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
564 | ||
565 | return calibdata; | |
566 | } | |
567 | ||
568 | //_____________________________________________________________________________ | |
569 | AliZDCTowerCalib* AliZDCDigitizer::GetTowCalibData() const | |
570 | { | |
571 | ||
572 | // Getting calibration object for ZDC set | |
573 | ||
574 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/TowCalib"); | |
575 | if(!entry) AliFatal("No calibration data loaded!"); | |
576 | ||
577 | AliZDCTowerCalib *calibdata = dynamic_cast<AliZDCTowerCalib*> (entry->GetObject()); | |
6024ec85 | 578 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); |
579 | ||
580 | return calibdata; | |
581 | } |