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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 | ||
3d7e0d0c | 24 | // --- Standard libraries |
8309c1ab | 25 | #include <stdlib.h> |
3d7e0d0c | 26 | #include <stdio.h> |
8309c1ab | 27 | |
28 | // --- ROOT system | |
29 | #include <TTree.h> | |
30 | #include <TFile.h> | |
31 | #include <TNtuple.h> | |
32 | #include <TRandom.h> | |
33 | ||
34 | // --- AliRoot header files | |
8309c1ab | 35 | #include "AliRun.h" |
36 | #include "AliHeader.h" | |
37 | #include "AliGenHijingEventHeader.h" | |
07e38cef | 38 | #include "AliGenCocktailEventHeader.h" |
f21fc003 | 39 | #include "AliDigitizationInput.h" |
8309c1ab | 40 | #include "AliRunLoader.h" |
c93255fe | 41 | #include "AliLoader.h" |
12434381 | 42 | #include "AliGRPObject.h" |
78d18275 | 43 | #include "AliCDBManager.h" |
48642b09 | 44 | #include "AliCDBEntry.h" |
8309c1ab | 45 | #include "AliZDCSDigit.h" |
46 | #include "AliZDCDigit.h" | |
47 | #include "AliZDCFragment.h" | |
a18a0543 | 48 | #include "AliZDCv3.h" |
8309c1ab | 49 | #include "AliZDCDigitizer.h" |
8a2624cc | 50 | |
51 | class AliCDBStorage; | |
6024ec85 | 52 | class AliZDCPedestals; |
8309c1ab | 53 | |
54 | ClassImp(AliZDCDigitizer) | |
55 | ||
56 | ||
57 | //____________________________________________________________________________ | |
a718c993 | 58 | AliZDCDigitizer::AliZDCDigitizer() : |
59 | fIsCalibration(0), | |
fd9afd60 | 60 | fIsSignalInADCGate(kFALSE), |
61 | fFracLostSignal(0.), | |
a718c993 | 62 | fPedData(0), |
2d9c70ab | 63 | fSpectators2Track(kFALSE), |
f2e2aa97 | 64 | fBeamEnergy(0.), |
5d24ec95 | 65 | fBeamType(""), |
66 | fIspASystem(kFALSE), | |
67 | fIsRELDISgen(kFALSE) | |
8309c1ab | 68 | { |
698e394d | 69 | // Default constructor |
83534754 | 70 | for(Int_t i=0; i<2; i++) fADCRes[i]=0.; |
8309c1ab | 71 | } |
72 | ||
73 | //____________________________________________________________________________ | |
f21fc003 | 74 | AliZDCDigitizer::AliZDCDigitizer(AliDigitizationInput* digInput): |
75 | AliDigitizer(digInput), | |
a718c993 | 76 | fIsCalibration(0), //By default the simulation doesn't create calib. data |
fd9afd60 | 77 | fIsSignalInADCGate(kFALSE), |
78 | fFracLostSignal(0.), | |
a718c993 | 79 | fPedData(GetPedData()), |
2d9c70ab | 80 | fSpectators2Track(kFALSE), |
f2e2aa97 | 81 | fBeamEnergy(0.), |
5d24ec95 | 82 | fBeamType(""), |
83 | fIspASystem(kFALSE), | |
84 | fIsRELDISgen(kFALSE) | |
8309c1ab | 85 | { |
78d18275 | 86 | // Get calibration data |
d27e20dd | 87 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
edb4e893 | 88 | for(Int_t i=0; i<5; i++){ |
698e394d | 89 | for(Int_t j=0; j<5; j++) |
90 | fPMGain[i][j] = 0.; | |
91 | } | |
8309c1ab | 92 | } |
93 | ||
94 | //____________________________________________________________________________ | |
95 | AliZDCDigitizer::~AliZDCDigitizer() | |
96 | { | |
97 | // Destructor | |
a718c993 | 98 | // Not implemented |
8309c1ab | 99 | } |
100 | ||
101 | ||
cc2abffd | 102 | //____________________________________________________________________________ |
103 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 104 | AliDigitizer(), |
105 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 106 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
107 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 108 | fPedData(digitizer.fPedData), |
2d9c70ab | 109 | fSpectators2Track(digitizer.fSpectators2Track), |
f2e2aa97 | 110 | fBeamEnergy(digitizer.fBeamEnergy), |
5d24ec95 | 111 | fBeamType(digitizer.fBeamType), |
112 | fIspASystem(digitizer.fIspASystem), | |
113 | fIsRELDISgen(digitizer.fIsRELDISgen) | |
cc2abffd | 114 | { |
115 | // Copy constructor | |
116 | ||
edb4e893 | 117 | for(Int_t i=0; i<5; i++){ |
cc2abffd | 118 | for(Int_t j=0; j<5; j++){ |
119 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
120 | } | |
121 | } | |
122 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 123 | |
12434381 | 124 | |
cc2abffd | 125 | } |
126 | ||
8309c1ab | 127 | //____________________________________________________________________________ |
128 | Bool_t AliZDCDigitizer::Init() | |
129 | { | |
48642b09 | 130 | // Initialize the digitizer |
12434381 | 131 | |
5d24ec95 | 132 | |
133 | //printf(" **** Initializing AliZDCDigitizer fBeamEnergy = %1.0f GeV\n\n", fBeamEnergy); | |
12434381 | 134 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); |
83534754 | 135 | if(!entry) AliFatal("No calibration data loaded!"); |
12434381 | 136 | AliGRPObject* grpData = 0x0; |
137 | if(entry){ | |
138 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
139 | if(m){ | |
140 | //m->Print(); | |
141 | grpData = new AliGRPObject(); | |
142 | grpData->ReadValuesFromMap(m); | |
143 | } | |
144 | else{ | |
145 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
146 | } | |
147 | entry->SetOwner(0); | |
148 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
149 | } | |
83534754 | 150 | if(!grpData){ |
151 | AliError("No GRP entry found in OCDB! \n "); | |
152 | return kFALSE; | |
153 | } | |
12434381 | 154 | |
5d24ec95 | 155 | fBeamType = grpData->GetBeamType(); |
156 | if(fBeamType==AliGRPObject::GetInvalidString()){ | |
12434381 | 157 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); |
158 | } | |
159 | ||
5d24ec95 | 160 | // If beam energy is not set from Config.C (RELDIS / spectator generators) |
161 | if(fBeamEnergy<0.01){ | |
162 | fBeamEnergy = grpData->GetBeamEnergy(); | |
163 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ | |
164 | AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); | |
165 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
166 | fBeamEnergy = 0.; | |
a736fd93 | 167 | } |
12434381 | 168 | } |
f2e2aa97 | 169 | |
f6c61b40 | 170 | /*if(fIspASystem){ |
5d24ec95 | 171 | fBeamType = "p-A"; |
172 | AliInfo(" AliZDCDigitizer -> Manually setting beam type to p-A\n"); | |
f6c61b40 | 173 | }*/ |
5d24ec95 | 174 | |
175 | // Setting beam type for spectator generator and RELDIS generator | |
176 | if(((fBeamType.CompareTo("UNKNOWN")) == 0) || fIsRELDISgen){ | |
177 | fBeamType = "A-A"; | |
178 | AliInfo(" AliZDCDigitizer -> Manually setting beam type to A-A\n"); | |
179 | } | |
8f190cf4 | 180 | printf("\n\t AliZDCDigitizer -> beam type %s - beam energy = %f GeV\n", fBeamType.Data(), fBeamEnergy); |
181 | if(fSpectators2Track) printf("\t AliZDCDigitizer -> spectator signal added at digit level\n"); | |
5d24ec95 | 182 | |
db247fc3 | 183 | if(fBeamEnergy>0.1){ |
184 | ReadPMTGains(); | |
f6c61b40 | 185 | //CalculatePMTGains(); |
db247fc3 | 186 | } |
187 | else{ | |
188 | AliWarning("\n Beam energy is 0 -> ZDC PMT gains can't be set -> NO ZDC DIGITS!!!\n"); | |
189 | } | |
190 | ||
698e394d | 191 | // ADC Caen V965 |
7f73eb6b | 192 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh |
193 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 194 | |
195 | return kTRUE; | |
196 | } | |
197 | ||
198 | //____________________________________________________________________________ | |
f21fc003 | 199 | void AliZDCDigitizer::Digitize(Option_t* /*option*/) |
8309c1ab | 200 | { |
48642b09 | 201 | // Execute digitization |
8309c1ab | 202 | |
d79f8d50 | 203 | // ------------------------------------------------------------ |
f91d1e35 | 204 | // !!! 2nd ZDC set added |
205 | // *** 1st 3 arrays are digits from REAL (simulated) hits | |
206 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 207 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
208 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 209 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 210 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
211 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 212 | // ------------------------------------------------------------ |
213 | Float_t pm[5][5]; | |
8574b308 | 214 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
215 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 216 | pm[iSector1][iSector2] = 0; |
217 | } | |
d79f8d50 | 218 | |
219 | // ------------------------------------------------------------ | |
220 | // ### Out of time ADC added (22 channels) | |
221 | // --- same codification as for signal PTMs (see above) | |
222 | // ------------------------------------------------------------ | |
3d7ab74d | 223 | // Float_t pmoot[5][5]; |
224 | // for(Int_t iSector1=0; iSector1<5; iSector1++) | |
225 | // for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
226 | // pmoot[iSector1][iSector2] = 0; | |
227 | // } | |
8309c1ab | 228 | |
229 | // impact parameter and number of spectators | |
131b5d31 | 230 | Float_t impPar = 0; |
fd9afd60 | 231 | Int_t specNTarg = 0, specPTarg = 0; |
232 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 233 | Float_t signalTime0 = 0.; |
8309c1ab | 234 | |
235 | // loop over input streams | |
f21fc003 | 236 | for(Int_t iInput = 0; iInput<fDigInput->GetNinputs(); iInput++){ |
8309c1ab | 237 | |
238 | // get run loader and ZDC loader | |
239 | AliRunLoader* runLoader = | |
f21fc003 | 240 | AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); |
8309c1ab | 241 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 242 | if(!loader) continue; |
8309c1ab | 243 | |
244 | // load sdigits | |
245 | loader->LoadSDigits(); | |
246 | TTree* treeS = loader->TreeS(); | |
8574b308 | 247 | if(!treeS) continue; |
8309c1ab | 248 | AliZDCSDigit sdigit; |
249 | AliZDCSDigit* psdigit = &sdigit; | |
250 | treeS->SetBranchAddress("ZDC", &psdigit); | |
251 | ||
252 | // loop over sdigits | |
8574b308 | 253 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 254 | treeS->GetEntry(iSDigit); |
7f73eb6b | 255 | // |
8574b308 | 256 | if(!psdigit) continue; |
257 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 258 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
259 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
260 | continue; | |
261 | } | |
fd9afd60 | 262 | // Checking if signal is inside ADC gate |
263 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
264 | else{ | |
265 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
266 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
267 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
268 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
269 | fIsSignalInADCGate = kFALSE; | |
5d24ec95 | 270 | // Vedi quaderno per spiegazione approx. usata nel calcolo della fraz. di segnale perso |
fd9afd60 | 271 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; |
272 | } | |
273 | } | |
698e394d | 274 | |
fd9afd60 | 275 | Float_t sdSignal = sdigit.GetLightPM(); |
276 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 277 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 278 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 279 | sdSignal = (1-fFracLostSignal)*sdSignal; |
280 | } | |
281 | ||
48642b09 | 282 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
698e394d | 283 | //Ch. debug |
284 | /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", | |
48642b09 | 285 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
698e394d | 286 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); |
878fa0b3 | 287 | */ |
fd9afd60 | 288 | |
8309c1ab | 289 | } |
290 | ||
8309c1ab | 291 | loader->UnloadSDigits(); |
292 | ||
293 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 294 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 295 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 296 | if(!header) continue; |
8309c1ab | 297 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 298 | if(!genHeader) continue; |
07e38cef | 299 | AliGenHijingEventHeader *hijingHeader = 0; |
300 | if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (genHeader); | |
301 | else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){ | |
302 | TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders(); | |
c47d6938 | 303 | if(listOfHeaders){ |
4e97feaf | 304 | for(Int_t iH = 0; iH < listOfHeaders->GetEntries(); ++iH) { |
305 | AliGenEventHeader *currHeader = dynamic_cast <AliGenEventHeader *> (listOfHeaders->At(iH)); | |
306 | if (currHeader && currHeader->InheritsFrom(AliGenHijingEventHeader::Class())) { | |
307 | hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (currHeader); | |
308 | break; | |
309 | } | |
310 | } | |
c47d6938 | 311 | } |
01e01248 | 312 | else{ |
8f190cf4 | 313 | printf(" No list of headers from generator \n"); |
01e01248 | 314 | } |
07e38cef | 315 | } |
c47d6938 | 316 | if(!hijingHeader){ |
c47d6938 | 317 | printf(" No HIJING header found in list of headers from generator\n"); |
c47d6938 | 318 | } |
07e38cef | 319 | |
a20bc87c | 320 | if(hijingHeader && fSpectators2Track==kTRUE){ |
8fced614 | 321 | impPar = hijingHeader->ImpactParameter(); |
07e38cef | 322 | specNProj = hijingHeader->ProjSpectatorsn(); |
323 | specPProj = hijingHeader->ProjSpectatorsp(); | |
324 | specNTarg = hijingHeader->TargSpectatorsn(); | |
325 | specPTarg = hijingHeader->TargSpectatorsp(); | |
5d24ec95 | 326 | AliInfo(Form("\t AliZDCDigitizer: b = %1.2f fm\n" |
8fced614 | 327 | " \t PROJECTILE: #spectator n %d, #spectator p %d\n" |
328 | " \t TARGET: #spectator n %d, #spectator p %d\n", | |
5d24ec95 | 329 | impPar, specNProj, specPProj, specNTarg, specPTarg)); |
a18a0543 | 330 | |
5d24ec95 | 331 | // Applying fragmentation algorithm and adding spectator signal |
332 | Int_t freeSpecNProj=0, freeSpecPProj=0; | |
333 | if(specNProj!=0 || specPProj!=0) Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
334 | Int_t freeSpecNTarg=0, freeSpecPTarg=0; | |
335 | if(specNTarg!=0 || specPTarg!=0) Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
336 | if(freeSpecNProj!=0) SpectatorSignal(1, freeSpecNProj, pm); | |
337 | if(freeSpecPProj!=0) SpectatorSignal(2, freeSpecPProj, pm); | |
338 | AliInfo(Form("\t AliZDCDigitizer -> Adding spectator signal for PROJECTILE: %d free n and %d free p\n",freeSpecNProj,freeSpecPProj)); | |
339 | if(freeSpecNTarg!=0) SpectatorSignal(3, freeSpecNTarg, pm); | |
340 | if(freeSpecPTarg!=0) SpectatorSignal(4, freeSpecPTarg, pm); | |
341 | AliInfo(Form("\t AliZDCDigitizer -> Adding spectator signal for TARGET: %d free n and %d free p\n",freeSpecNTarg,freeSpecPTarg)); | |
342 | } | |
8309c1ab | 343 | } |
344 | ||
8a2624cc | 345 | |
8309c1ab | 346 | // get the output run loader and loader |
347 | AliRunLoader* runLoader = | |
f21fc003 | 348 | AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); |
8309c1ab | 349 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 350 | if(!loader) { |
8309c1ab | 351 | AliError("no ZDC loader found"); |
352 | return; | |
353 | } | |
354 | ||
355 | // create the output tree | |
356 | const char* mode = "update"; | |
8574b308 | 357 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 358 | loader->LoadDigits(mode); |
359 | loader->MakeTree("D"); | |
360 | TTree* treeD = loader->TreeD(); | |
361 | AliZDCDigit digit; | |
362 | AliZDCDigit* pdigit = &digit; | |
363 | const Int_t kBufferSize = 4000; | |
364 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
365 | ||
366 | // Create digits | |
80e87581 | 367 | Int_t sector[2]; |
368 | Int_t digi[2], digioot[2]; | |
369 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 370 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
371 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 372 | for(Int_t res=0; res<2; res++){ |
abf60186 | 373 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 374 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 375 | } |
abf60186 | 376 | new(pdigit) AliZDCDigit(sector, digi); |
8309c1ab | 377 | treeD->Fill(); |
698e394d | 378 | |
379 | //Ch. debug | |
380 | //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", | |
381 | // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
382 | ||
8309c1ab | 383 | } |
83347831 | 384 | } // Loop over detector |
385 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
386 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
387 | Int_t sectorRef[2]; | |
388 | sectorRef[1] = 5; | |
9d38ced8 | 389 | Int_t sigRef[2]; |
80e87581 | 390 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 391 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 392 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 393 | // |
83347831 | 394 | for(Int_t iref=0; iref<2; iref++){ |
395 | sectorRef[0] = 3*iref+1; | |
396 | for(Int_t res=0; res<2; res++){ | |
397 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
398 | } | |
83347831 | 399 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
400 | treeD->Fill(); | |
698e394d | 401 | |
402 | //Ch. debug | |
403 | //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
404 | // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
abf60186 | 405 | } |
d79f8d50 | 406 | // |
407 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 408 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 409 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
410 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 411 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 412 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
413 | } | |
d79f8d50 | 414 | new(pdigit) AliZDCDigit(sector, digioot); |
415 | treeD->Fill(); | |
698e394d | 416 | |
417 | //Ch. debug | |
418 | //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
419 | // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
d79f8d50 | 420 | } |
421 | } | |
83347831 | 422 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
423 | Int_t sigRefoot[2]; | |
424 | for(Int_t iref=0; iref<2; iref++){ | |
425 | sectorRef[0] = 3*iref+1; | |
426 | for(Int_t res=0; res<2; res++){ | |
427 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
428 | } | |
83347831 | 429 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
430 | treeD->Fill(); | |
698e394d | 431 | //Ch. debug |
432 | //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
433 | // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
434 | ||
83347831 | 435 | } |
436 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
437 | ||
8309c1ab | 438 | // write the output tree |
439 | loader->WriteDigits("OVERWRITE"); | |
440 | loader->UnloadDigits(); | |
441 | } | |
442 | ||
443 | ||
25175f38 | 444 | //_____________________________________________________________________________ |
445 | void AliZDCDigitizer::ReadPMTGains() | |
446 | { | |
447 | // Read PMT gain from an external file | |
448 | ||
449 | char *fname = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/PMTGainsdata.txt"); | |
450 | FILE *fdata = fopen(fname,"r"); | |
451 | if(fdata==NULL){ | |
452 | AliWarning(" Can't open file $ALICE_ROOT/ZDC/PMTGainsdata.txt to read ZDC PMT Gains\n"); | |
453 | AliWarning(" -> ZDC signal will be pedestal!!!!!!!!!!!!\n\n"); | |
454 | return; | |
455 | } | |
3d7e0d0c | 456 | int read=1; |
25175f38 | 457 | Float_t data[5]; |
458 | Int_t beam[12], det[12]; | |
459 | Float_t gain[12], aEne[12], bEne[12]; | |
460 | for(int ir=0; ir<12; ir++){ | |
461 | for(int ic=0; ic<5; ic++){ | |
3d7e0d0c | 462 | read = fscanf(fdata,"%f ",&data[ic]); |
463 | if(read==0) AliDebug(3, " Error in reading PMT gains from external file "); | |
25175f38 | 464 | } |
465 | beam[ir] = data[0]; | |
466 | det[ir] = data[1]; | |
467 | gain[ir] = data[2]; | |
468 | aEne[ir] = data[3]; | |
469 | bEne[ir] = data[4]; | |
470 | } | |
3d7ab74d | 471 | fclose(fdata); |
25175f38 | 472 | |
473 | if(((fBeamType.CompareTo("P-P")) == 0)){ | |
474 | for(int i=0; i<12; i++){ | |
475 | if(beam[i]==0 && fBeamEnergy!=0.){ | |
476 | if(det[i]!=31 && det[i]!=32){ | |
477 | for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); | |
478 | } | |
479 | else if(det[i] == 31) fPMGain[2][1] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); | |
480 | else if(det[i] == 32) fPMGain[2][2] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); | |
481 | } | |
482 | } | |
483 | // | |
0e9277fd | 484 | printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", |
485 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); | |
25175f38 | 486 | } |
487 | else if(((fBeamType.CompareTo("A-A")) == 0)){ | |
488 | for(int i=0; i<12; i++){ | |
489 | if(beam[i]==1){ | |
490 | Float_t scalGainFactor = fBeamEnergy/2760.; | |
491 | if(det[i]!=31 && det[i]!=32){ | |
492 | for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]/(aEne[i]*scalGainFactor); | |
493 | } | |
494 | else{ | |
495 | for(int iq=1; iq<3; iq++) fPMGain[2][iq] = gain[i]/(aEne[i]*scalGainFactor); | |
496 | } | |
497 | } | |
498 | } | |
499 | // | |
0e9277fd | 500 | printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
501 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]); | |
25175f38 | 502 | } |
0e9277fd | 503 | else if(((fBeamType.CompareTo("p-A")) == 0) || ((fBeamType.CompareTo("P-A")) == 0) |
504 | || ((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P")) == 0)){ | |
25175f38 | 505 | for(int i=0; i<12; i++){ |
506 | if(beam[i]==0 && fBeamEnergy!=0.){ | |
507 | if(det[i]==1 || det[i]==2){ | |
508 | for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); | |
509 | } | |
510 | } | |
511 | if(beam[i]==1){ | |
512 | Float_t scalGainFactor = fBeamEnergy/2760.; | |
513 | Float_t npartScalingFactor = 208./15.; | |
514 | if(det[i]==4 || det[i]==5){ | |
515 | for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); | |
516 | } | |
517 | else if(det[i]==31 || det[i]==32){ | |
518 | for(int iq=1; iq<3; iq++) fPMGain[2][iq] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); | |
519 | } | |
520 | } | |
521 | } | |
0e9277fd | 522 | printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", |
523 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); | |
25175f38 | 524 | } |
525 | } | |
526 | ||
5d24ec95 | 527 | //_____________________________________________________________________________ |
528 | void AliZDCDigitizer::CalculatePMTGains() | |
529 | { | |
530 | // Calculate PMT gain according to beam type and beam energy | |
58b2fa8a | 531 | if( ((fBeamType.CompareTo("P-P")) == 0) || ((fBeamType.CompareTo("p-p"))) ){ |
5d24ec95 | 532 | // PTM gains rescaled to beam energy for p-p |
533 | // New correction coefficients for PMT gains needed | |
534 | // to reproduce experimental spectra (from Grazia Jul 2010) | |
535 | if(fBeamEnergy != 0){ | |
536 | for(Int_t j = 0; j < 5; j++){ | |
537 | fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; | |
538 | fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; | |
539 | fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; | |
540 | fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; | |
541 | } | |
542 | fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
543 | fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
544 | // | |
0e9277fd | 545 | printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", |
546 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); | |
5d24ec95 | 547 | |
548 | } | |
549 | } | |
550 | else if(((fBeamType.CompareTo("A-A")) == 0)){ | |
551 | // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** | |
552 | // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** | |
553 | // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.) | |
554 | // Experimental data compared to EMD simulation for single nucleon peaks: | |
555 | // ZN gains must be divided by 4, ZP gains by 10! | |
556 | Float_t scalGainFactor = fBeamEnergy/2760.; | |
557 | for(Int_t j = 0; j < 5; j++){ | |
558 | fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC | |
559 | fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC | |
560 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM | |
561 | fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA | |
562 | fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA | |
563 | } | |
0e9277fd | 564 | printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
565 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]); | |
5d24ec95 | 566 | } |
f6c61b40 | 567 | else if(((fBeamType.CompareTo("p-A")) == 0) || ((fBeamType.CompareTo("P-A"))) ){ |
5d24ec95 | 568 | // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side A |
569 | // PTM gains rescaled to beam energy for p-p on side C | |
570 | // WARNING! Energies are set by hand for 2011 pA RUN!!! | |
312b8ed7 | 571 | Float_t scalGainFactor = fBeamEnergy/2760.; |
f6c61b40 | 572 | Float_t npartScalingFactor = 208./15.; |
5d24ec95 | 573 | |
574 | for(Int_t j = 0; j < 5; j++){ | |
575 | fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNC (p) | |
576 | fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPC (p) | |
8f190cf4 | 577 | if(j<2) fPMGain[2][j] = npartScalingFactor*100000./scalGainFactor; // ZEM (Pb) |
312b8ed7 | 578 | // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40. |
f6c61b40 | 579 | fPMGain[3][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNA (Pb) |
580 | fPMGain[4][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPA (Pb) | |
5d24ec95 | 581 | } |
0e9277fd | 582 | printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", |
583 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); | |
5d24ec95 | 584 | } |
8f190cf4 | 585 | else if(((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P"))) ){ |
586 | // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side | |
587 | // PTM gains rescaled to beam energy for p-p on side C | |
588 | // WARNING! Energies are set by hand for 2011 pA RUN!!! | |
589 | Float_t scalGainFactor = fBeamEnergy/2760.; | |
590 | Float_t npartScalingFactor = 208./15.; | |
591 | ||
592 | for(Int_t j = 0; j < 5; j++){ | |
593 | fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNA (p) | |
594 | fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPA (p) | |
595 | // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40. | |
596 | fPMGain[1][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNC (Pb) | |
597 | fPMGain[2][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPC (Pb) | |
598 | } | |
599 | fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp) | |
600 | fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp) | |
601 | printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", | |
602 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); | |
603 | } | |
5d24ec95 | 604 | } |
605 | ||
8309c1ab | 606 | //_____________________________________________________________________________ |
607 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
608 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
609 | { | |
610 | // simulate fragmentation of spectators | |
611 | ||
8309c1ab | 612 | AliZDCFragment frag(impPar); |
8309c1ab | 613 | |
614 | // Fragments generation | |
92339a90 | 615 | frag.GenerateIMF(); |
616 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 617 | |
618 | // Attach neutrons | |
98711e01 | 619 | frag.AttachNeutrons(); |
92339a90 | 620 | Int_t ztot = frag.GetZtot(); |
621 | Int_t ntot = frag.GetNtot(); | |
98711e01 | 622 | |
623 | // Removing fragments and alpha pcs | |
8309c1ab | 624 | freeSpecN = specN-ntot-2*nAlpha; |
625 | freeSpecP = specP-ztot-2*nAlpha; | |
98711e01 | 626 | |
3848c666 | 627 | // Removing deuterons |
a0607c1f | 628 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 629 | freeSpecN -= ndeu; |
98711e01 | 630 | freeSpecP -= ndeu; |
3848c666 | 631 | // |
8309c1ab | 632 | if(freeSpecN<0) freeSpecN=0; |
633 | if(freeSpecP<0) freeSpecP=0; | |
634 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
635 | } | |
636 | ||
637 | //_____________________________________________________________________________ | |
638 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 639 | Float_t pm[5][5]) const |
8309c1ab | 640 | { |
641 | // add signal of the spectators | |
fd9afd60 | 642 | |
2d9c70ab | 643 | TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); |
644 | if(!specSignalFile || !specSignalFile->IsOpen()) { | |
645 | AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); | |
646 | return; | |
8309c1ab | 647 | } |
2d9c70ab | 648 | |
e7eabc21 | 649 | TNtuple* zdcSignal=0x0; |
2d9c70ab | 650 | |
651 | Float_t sqrtS = 2*fBeamEnergy; | |
652 | // | |
653 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
5d24ec95 | 654 | AliInfo(" Extracting signal from SpectatorSignal/energy5500 "); |
2d9c70ab | 655 | specSignalFile->cd("energy5500"); |
656 | // | |
657 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
658 | specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal); | |
659 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
660 | } | |
661 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
662 | specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal); | |
663 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
664 | } | |
665 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
666 | specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal); | |
667 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
668 | } | |
669 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
670 | specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal); | |
671 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
672 | } | |
fd9afd60 | 673 | } |
2d9c70ab | 674 | else if(TMath::Abs(sqrtS-2760) < 100.){ |
5d24ec95 | 675 | AliInfo(" Extracting signal from SpectatorSignal/energy2760 "); |
2d9c70ab | 676 | specSignalFile->cd("energy2760"); |
677 | // | |
678 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
679 | specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal); | |
680 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
681 | } | |
682 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
683 | specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal); | |
684 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
685 | } | |
686 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
687 | specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal); | |
688 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
689 | } | |
690 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
691 | specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal); | |
692 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
693 | } | |
fd9afd60 | 694 | } |
695 | ||
83534754 | 696 | if(!zdcSignal){ |
697 | printf("\n No spectator signal available for ZDC digitization\n"); | |
698 | return; | |
699 | } | |
700 | ||
8309c1ab | 701 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); |
702 | ||
fd9afd60 | 703 | Float_t *entry; |
704 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 705 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 706 | if(numEvents > 125) { |
fea9b334 | 707 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 708 | numEvents = 125; |
709 | } | |
710 | for(pl=0;pl<numEvents;pl++){ | |
711 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 712 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 713 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
714 | } | |
715 | // Sorting vector in ascending order with C function QSORT | |
716 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
717 | do{ | |
718 | for(i=0; i<nentries; i++){ | |
719 | zdcSignal->GetEvent(i); | |
720 | entry = zdcSignal->GetArgs(); | |
721 | if(entry[0] == rnd[iev]){ | |
722 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 723 | // |
fd9afd60 | 724 | Float_t lightQ = entry[7]; |
725 | Float_t lightC = entry[8]; | |
726 | // | |
acf9550c | 727 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 728 | pm[volume[0]-1][0] += lightC; |
729 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 730 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
731 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
732 | } | |
733 | else { | |
8574b308 | 734 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 735 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 736 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
737 | } | |
8309c1ab | 738 | } |
739 | else if(entry[0] > rnd[iev]){ | |
740 | iev++; | |
741 | continue; | |
742 | } | |
743 | } | |
744 | }while(iev<numEvents); | |
745 | ||
2d9c70ab | 746 | specSignalFile->Close(); |
747 | delete specSignalFile; | |
8309c1ab | 748 | } |
749 | ||
750 | ||
751 | //_____________________________________________________________________________ | |
752 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
753 | Int_t Res) const | |
754 | { | |
48642b09 | 755 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 756 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
698e394d | 757 | // Ch. debug |
758 | //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", | |
759 | // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); | |
7f73eb6b | 760 | |
8a2624cc | 761 | return vADCch; |
48642b09 | 762 | } |
8309c1ab | 763 | |
48642b09 | 764 | //_____________________________________________________________________________ |
765 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
766 | { | |
8a2624cc | 767 | // Returns a pedestal for detector det, PM quad, channel with res. |
768 | // | |
65b16e87 | 769 | Float_t pedValue; |
abf60186 | 770 | // Normal run |
771 | if(fIsCalibration == 0){ | |
c35ed519 | 772 | Int_t index=0, kNch=24; |
83347831 | 773 | if(Quad!=5){ |
c35ed519 | 774 | if(Det==1) index = Quad+kNch*Res; // ZNC |
775 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
776 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
777 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
778 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 779 | } |
c35ed519 | 780 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 781 | // |
c35ed519 | 782 | Float_t meanPed = fPedData->GetMeanPed(index); |
783 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 784 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 785 | // |
58e12fee | 786 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 787 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 788 | */ |
789 | } | |
7f73eb6b | 790 | // To create calibration object |
83347831 | 791 | else{ |
65b16e87 | 792 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
793 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 794 | } |
dbc8d7fc | 795 | |
65b16e87 | 796 | return (Int_t) pedValue; |
8309c1ab | 797 | } |
798 | ||
799 | //_____________________________________________________________________________ | |
78d18275 | 800 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 801 | { |
8309c1ab | 802 | |
78d18275 | 803 | Bool_t deleteManager = kFALSE; |
48642b09 | 804 | |
78d18275 | 805 | AliCDBManager *manager = AliCDBManager::Instance(); |
806 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 807 | |
78d18275 | 808 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
809 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
810 | manager->SetDefaultStorage(uri); | |
811 | deleteManager = kTRUE; | |
812 | } | |
813 | ||
814 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
815 | ||
816 | if(deleteManager){ | |
817 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
818 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
819 | } | |
820 | ||
821 | return storage; | |
822 | } | |
48642b09 | 823 | |
78d18275 | 824 | //_____________________________________________________________________________ |
6024ec85 | 825 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
826 | { | |
827 | ||
828 | // Getting pedestal calibration object for ZDC set | |
829 | ||
830 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
831 | if(!entry) AliFatal("No calibration data loaded!"); | |
832 | ||
833 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
834 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
835 | ||
836 | return calibdata; | |
837 | } | |
f91d1e35 | 838 |