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