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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" | |
44 | #include "AliZDCDigitizer.h" | |
8a2624cc | 45 | |
46 | class AliCDBStorage; | |
6024ec85 | 47 | class AliZDCPedestals; |
48 | class AliZDCCalib; | |
49 | class AliZDCRecParam; | |
8309c1ab | 50 | |
51 | ClassImp(AliZDCDigitizer) | |
52 | ||
53 | ||
54 | //____________________________________________________________________________ | |
a718c993 | 55 | AliZDCDigitizer::AliZDCDigitizer() : |
56 | fIsCalibration(0), | |
57 | fPedData(0), | |
58 | fCalibData(0), | |
59 | fRecParam(0) | |
8309c1ab | 60 | { |
61 | // Default constructor | |
62 | ||
63 | } | |
64 | ||
65 | //____________________________________________________________________________ | |
66 | AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): | |
a718c993 | 67 | AliDigitizer(manager), |
68 | fIsCalibration(0), //By default the simulation doesn't create calib. data | |
69 | fPedData(GetPedData()), | |
70 | fCalibData(GetCalibData()), | |
71 | fRecParam(GetRecParam()) | |
8309c1ab | 72 | { |
78d18275 | 73 | // Get calibration data |
d27e20dd | 74 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
78d18275 | 75 | |
8309c1ab | 76 | } |
77 | ||
78 | //____________________________________________________________________________ | |
79 | AliZDCDigitizer::~AliZDCDigitizer() | |
80 | { | |
81 | // Destructor | |
a718c993 | 82 | // Not implemented |
8309c1ab | 83 | } |
84 | ||
85 | ||
cc2abffd | 86 | //____________________________________________________________________________ |
87 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 88 | AliDigitizer(), |
89 | fIsCalibration(digitizer.fIsCalibration), | |
90 | fPedData(digitizer.fPedData), | |
91 | fCalibData(digitizer.fCalibData), | |
92 | fRecParam(digitizer.fRecParam) | |
cc2abffd | 93 | { |
94 | // Copy constructor | |
95 | ||
96 | for(Int_t i=0; i<6; i++){ | |
97 | for(Int_t j=0; j<5; j++){ | |
98 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
99 | } | |
100 | } | |
101 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 102 | |
103 | } | |
104 | ||
8309c1ab | 105 | //____________________________________________________________________________ |
106 | Bool_t AliZDCDigitizer::Init() | |
107 | { | |
48642b09 | 108 | // Initialize the digitizer |
109 | // NB -> PM gain vs. HV & ADC resolutions will move to DCDB *************** | |
7f73eb6b | 110 | for(Int_t j = 0; j < 5; j++){ |
111 | fPMGain[0][j] = 50000.; | |
112 | fPMGain[1][j] = 100000.; | |
113 | fPMGain[2][j] = 100000.; | |
a017f01b | 114 | fPMGain[3][j] = 50000.; |
115 | fPMGain[4][j] = 100000.; | |
116 | fPMGain[5][j] = 100000.; | |
7f73eb6b | 117 | } |
118 | // ADC Caen V965 | |
119 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh | |
120 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 121 | |
122 | return kTRUE; | |
123 | } | |
124 | ||
125 | //____________________________________________________________________________ | |
126 | void AliZDCDigitizer::Exec(Option_t* /*option*/) | |
127 | { | |
48642b09 | 128 | // Execute digitization |
8309c1ab | 129 | |
d79f8d50 | 130 | // ------------------------------------------------------------ |
83347831 | 131 | // !!! 2nd ZDC set added |
7f73eb6b | 132 | // *** 1st 3 arrays are digits from REAL (simulated) hits |
133 | // *** last 2 are copied from simulated digits | |
134 | // --- pm[0][...] = light in ZN right [C, Q1, Q2, Q3, Q4] | |
135 | // --- pm[1][...] = light in ZP right [C, Q1, Q2, Q3, Q4] | |
48642b09 | 136 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
7f73eb6b | 137 | // --- pm[3][...] = light in ZN left [C, Q1, Q2, Q3, Q4] ->NEW! |
138 | // --- pm[4][...] = light in ZP left [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 139 | // ------------------------------------------------------------ |
140 | Float_t pm[5][5]; | |
8574b308 | 141 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
142 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 143 | pm[iSector1][iSector2] = 0; |
144 | } | |
d79f8d50 | 145 | |
146 | // ------------------------------------------------------------ | |
147 | // ### Out of time ADC added (22 channels) | |
148 | // --- same codification as for signal PTMs (see above) | |
149 | // ------------------------------------------------------------ | |
150 | Float_t pmoot[5][5]; | |
8574b308 | 151 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
152 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 153 | pmoot[iSector1][iSector2] = 0; |
154 | } | |
8309c1ab | 155 | |
156 | // impact parameter and number of spectators | |
157 | Float_t impPar = -1; | |
158 | Int_t specN = 0; | |
159 | Int_t specP = 0; | |
160 | ||
161 | // loop over input streams | |
8574b308 | 162 | for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){ |
8309c1ab | 163 | |
164 | // get run loader and ZDC loader | |
165 | AliRunLoader* runLoader = | |
166 | AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); | |
167 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 168 | if(!loader) continue; |
8309c1ab | 169 | |
170 | // load sdigits | |
171 | loader->LoadSDigits(); | |
172 | TTree* treeS = loader->TreeS(); | |
8574b308 | 173 | if(!treeS) continue; |
8309c1ab | 174 | AliZDCSDigit sdigit; |
175 | AliZDCSDigit* psdigit = &sdigit; | |
176 | treeS->SetBranchAddress("ZDC", &psdigit); | |
177 | ||
178 | // loop over sdigits | |
8574b308 | 179 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 180 | treeS->GetEntry(iSDigit); |
7f73eb6b | 181 | // |
8574b308 | 182 | if(!psdigit) continue; |
183 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 184 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
185 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
186 | continue; | |
187 | } | |
7f73eb6b | 188 | // |
48642b09 | 189 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
7f73eb6b | 190 | /*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", |
48642b09 | 191 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
192 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging! | |
abf60186 | 193 | */ |
8309c1ab | 194 | } |
195 | ||
8309c1ab | 196 | loader->UnloadSDigits(); |
197 | ||
198 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 199 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
8309c1ab | 200 | AliHeader* header = runLoader->GetAliRun()->GetHeader(); |
8574b308 | 201 | if(!header) continue; |
8309c1ab | 202 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 203 | if(!genHeader) continue; |
204 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
8309c1ab | 205 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
85a96223 | 206 | // |
207 | specN = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
208 | specP = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
78d18275 | 209 | AliDebug(2, Form("\n AliZDCDigitizer -> b = %f fm, Nspecn = %d, Nspecp = %d\n", |
8309c1ab | 210 | impPar, specN, specP)); |
d27e20dd | 211 | printf("\n\t AliZDCDigitizer -> b = %f fm, # generated spectator n = %d," |
212 | " # generated spectator p = %d\n", impPar, specN, specP); | |
8309c1ab | 213 | } |
214 | ||
215 | // add spectators | |
8574b308 | 216 | if(impPar >= 0) { |
8309c1ab | 217 | Int_t freeSpecN, freeSpecP; |
218 | Fragmentation(impPar, specN, specP, freeSpecN, freeSpecP); | |
d27e20dd | 219 | printf("\n\t AliZDCDigitizer -> Adding signal for %d free spectator n\n",freeSpecN); |
8309c1ab | 220 | SpectatorSignal(1, freeSpecN, pm); |
d27e20dd | 221 | printf("\t AliZDCDigitizer -> Adding signal for %d free spectator p\n\n",freeSpecP); |
8309c1ab | 222 | SpectatorSignal(2, freeSpecP, pm); |
223 | } | |
224 | ||
8a2624cc | 225 | |
8309c1ab | 226 | // get the output run loader and loader |
227 | AliRunLoader* runLoader = | |
228 | AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
229 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 230 | if(!loader) { |
8309c1ab | 231 | AliError("no ZDC loader found"); |
232 | return; | |
233 | } | |
234 | ||
235 | // create the output tree | |
236 | const char* mode = "update"; | |
8574b308 | 237 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 238 | loader->LoadDigits(mode); |
239 | loader->MakeTree("D"); | |
240 | TTree* treeD = loader->TreeD(); | |
241 | AliZDCDigit digit; | |
242 | AliZDCDigit* pdigit = &digit; | |
243 | const Int_t kBufferSize = 4000; | |
244 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
245 | ||
246 | // Create digits | |
80e87581 | 247 | Int_t sector[2]; |
248 | Int_t digi[2], digioot[2]; | |
249 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 250 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
251 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 252 | for(Int_t res=0; res<2; res++){ |
abf60186 | 253 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 254 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 255 | } |
58e12fee | 256 | /*printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", |
abf60186 | 257 | sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! |
d79f8d50 | 258 | */ |
abf60186 | 259 | // |
260 | new(pdigit) AliZDCDigit(sector, digi); | |
8309c1ab | 261 | treeD->Fill(); |
262 | } | |
83347831 | 263 | } // Loop over detector |
264 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
265 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
266 | Int_t sectorRef[2]; | |
267 | sectorRef[1] = 5; | |
9d38ced8 | 268 | Int_t sigRef[2]; |
80e87581 | 269 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 270 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 271 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 272 | // |
83347831 | 273 | for(Int_t iref=0; iref<2; iref++){ |
274 | sectorRef[0] = 3*iref+1; | |
275 | for(Int_t res=0; res<2; res++){ | |
276 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
277 | } | |
278 | /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
279 | sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
280 | */ | |
281 | new(pdigit) AliZDCDigit(sectorRef, sigRef); | |
282 | treeD->Fill(); | |
abf60186 | 283 | } |
d79f8d50 | 284 | // |
285 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 286 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 287 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
288 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 289 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 290 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
291 | } | |
292 | /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
293 | sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
294 | */ | |
295 | // | |
296 | new(pdigit) AliZDCDigit(sector, digioot); | |
297 | treeD->Fill(); | |
d79f8d50 | 298 | } |
299 | } | |
83347831 | 300 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
301 | Int_t sigRefoot[2]; | |
302 | for(Int_t iref=0; iref<2; iref++){ | |
303 | sectorRef[0] = 3*iref+1; | |
304 | for(Int_t res=0; res<2; res++){ | |
305 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
306 | } | |
307 | /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
308 | sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
309 | */ | |
310 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); | |
311 | treeD->Fill(); | |
83347831 | 312 | } |
313 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
314 | ||
8309c1ab | 315 | // write the output tree |
316 | loader->WriteDigits("OVERWRITE"); | |
317 | loader->UnloadDigits(); | |
318 | } | |
319 | ||
320 | ||
321 | //_____________________________________________________________________________ | |
322 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
323 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
324 | { | |
325 | // simulate fragmentation of spectators | |
326 | ||
327 | Int_t zz[100], nn[100]; | |
328 | AliZDCFragment frag(impPar); | |
8574b308 | 329 | for(Int_t j=0; j<=99; j++){ |
8309c1ab | 330 | zz[j] =0; |
331 | nn[j] =0; | |
332 | } | |
333 | ||
334 | // Fragments generation | |
335 | Int_t nAlpha; | |
336 | frag.GenerateIMF(zz, nAlpha); | |
337 | ||
338 | // Attach neutrons | |
339 | Int_t ztot=0; | |
340 | Int_t ntot=0; | |
341 | frag.AttachNeutrons(zz, nn, ztot, ntot); | |
342 | freeSpecN = specN-ntot-2*nAlpha; | |
343 | freeSpecP = specP-ztot-2*nAlpha; | |
3848c666 | 344 | // Removing deuterons |
a0607c1f | 345 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 346 | freeSpecN -= ndeu; |
347 | // | |
8309c1ab | 348 | if(freeSpecN<0) freeSpecN=0; |
349 | if(freeSpecP<0) freeSpecP=0; | |
350 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
351 | } | |
352 | ||
353 | //_____________________________________________________________________________ | |
354 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
355 | Float_t pm[3][5]) const | |
356 | { | |
357 | // add signal of the spectators | |
358 | ||
359 | TFile* file = NULL; | |
8574b308 | 360 | if(SpecType == 1) { // --- Signal for spectator neutrons |
e689b8ea | 361 | file = TFile::Open("$ALICE_ROOT/ZDC/ZNsignalntu.root"); |
8574b308 | 362 | } else if(SpecType == 2) { // --- Signal for spectator protons |
e689b8ea | 363 | file = TFile::Open("$ALICE_ROOT/ZDC/ZPsignalntu.root"); |
8309c1ab | 364 | } |
8574b308 | 365 | if(!file || !file->IsOpen()) { |
8309c1ab | 366 | AliError("Opening of file failed"); |
367 | return; | |
368 | } | |
369 | ||
370 | TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); | |
371 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); | |
372 | ||
373 | Float_t *entry, hitsSpec[7]; | |
374 | Int_t pl, i, j, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 375 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 376 | if(numEvents > 125) { |
8309c1ab | 377 | AliWarning(Form("numEvents (%d) is larger than 125", numEvents)); |
378 | numEvents = 125; | |
379 | } | |
380 | for(pl=0;pl<numEvents;pl++){ | |
381 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 382 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 383 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
384 | } | |
385 | // Sorting vector in ascending order with C function QSORT | |
386 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
387 | do{ | |
388 | for(i=0; i<nentries; i++){ | |
389 | zdcSignal->GetEvent(i); | |
390 | entry = zdcSignal->GetArgs(); | |
391 | if(entry[0] == rnd[iev]){ | |
392 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
393 | for(j=0; j<7; j++) hitsSpec[j] = entry[j+3]; | |
48642b09 | 394 | // |
8309c1ab | 395 | Float_t lightQ = hitsSpec[4]; |
396 | Float_t lightC = hitsSpec[5]; | |
78d18275 | 397 | AliDebug(3, Form("SpectatorSignal -> vol = (%d, %d), lightQ = %.0f, lightC = %.0f", |
8309c1ab | 398 | volume[0], volume[1], lightQ, lightC)); |
48642b09 | 399 | //printf("\n Volume = (%d, %d), lightQ = %.0f, lightC = %.0f", |
400 | // volume[0], volume[1], lightQ, lightC); | |
acf9550c | 401 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 402 | pm[volume[0]-1][0] += lightC; |
403 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 404 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
405 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
406 | } | |
407 | else { | |
8574b308 | 408 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 409 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 410 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
411 | } | |
8309c1ab | 412 | } |
413 | else if(entry[0] > rnd[iev]){ | |
414 | iev++; | |
415 | continue; | |
416 | } | |
417 | } | |
418 | }while(iev<numEvents); | |
419 | ||
420 | file->Close(); | |
421 | delete file; | |
422 | } | |
423 | ||
424 | ||
425 | //_____________________________________________________________________________ | |
426 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
427 | Int_t Res) const | |
428 | { | |
48642b09 | 429 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 430 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
58e12fee | 431 | //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,vADCch); |
7f73eb6b | 432 | |
8a2624cc | 433 | return vADCch; |
48642b09 | 434 | } |
8309c1ab | 435 | |
48642b09 | 436 | //_____________________________________________________________________________ |
437 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
438 | { | |
8a2624cc | 439 | // Returns a pedestal for detector det, PM quad, channel with res. |
440 | // | |
65b16e87 | 441 | Float_t pedValue; |
abf60186 | 442 | // Normal run |
443 | if(fIsCalibration == 0){ | |
c35ed519 | 444 | Int_t index=0, kNch=24; |
83347831 | 445 | if(Quad!=5){ |
c35ed519 | 446 | if(Det==1) index = Quad+kNch*Res; // ZNC |
447 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
448 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
449 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
450 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 451 | } |
c35ed519 | 452 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 453 | // |
c35ed519 | 454 | Float_t meanPed = fPedData->GetMeanPed(index); |
455 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 456 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 457 | // |
58e12fee | 458 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 459 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 460 | */ |
461 | } | |
7f73eb6b | 462 | // To create calibration object |
83347831 | 463 | else{ |
65b16e87 | 464 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
465 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 466 | } |
dbc8d7fc | 467 | |
65b16e87 | 468 | return (Int_t) pedValue; |
8309c1ab | 469 | } |
470 | ||
471 | //_____________________________________________________________________________ | |
78d18275 | 472 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 473 | { |
8309c1ab | 474 | |
78d18275 | 475 | Bool_t deleteManager = kFALSE; |
48642b09 | 476 | |
78d18275 | 477 | AliCDBManager *manager = AliCDBManager::Instance(); |
478 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 479 | |
78d18275 | 480 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
481 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
482 | manager->SetDefaultStorage(uri); | |
483 | deleteManager = kTRUE; | |
484 | } | |
485 | ||
486 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
487 | ||
488 | if(deleteManager){ | |
489 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
490 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
491 | } | |
492 | ||
493 | return storage; | |
494 | } | |
48642b09 | 495 | |
78d18275 | 496 | //_____________________________________________________________________________ |
6024ec85 | 497 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
498 | { | |
499 | ||
500 | // Getting pedestal calibration object for ZDC set | |
501 | ||
502 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
503 | if(!entry) AliFatal("No calibration data loaded!"); | |
504 | ||
505 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
506 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
507 | ||
508 | return calibdata; | |
509 | } | |
510 | ||
511 | //_____________________________________________________________________________ | |
512 | AliZDCCalib* AliZDCDigitizer::GetCalibData() const | |
513 | { | |
514 | ||
515 | // Getting calibration object for ZDC set | |
516 | ||
517 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Calib"); | |
518 | if(!entry) AliFatal("No calibration data loaded!"); | |
519 | ||
520 | AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject()); | |
521 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
522 | ||
523 | return calibdata; | |
524 | } | |
525 | ||
526 | //_____________________________________________________________________________ | |
527 | AliZDCRecParam* AliZDCDigitizer::GetRecParam() const | |
78d18275 | 528 | { |
4fda3ba1 | 529 | |
530 | // Getting calibration object for ZDC set | |
531 | ||
6024ec85 | 532 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/RecParam"); |
457a440d | 533 | if(!entry) AliFatal("No calibration data loaded!"); |
534 | ||
6024ec85 | 535 | AliZDCRecParam *calibdata = dynamic_cast<AliZDCRecParam*> (entry->GetObject()); |
457a440d | 536 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); |
8309c1ab | 537 | |
78d18275 | 538 | return calibdata; |
8309c1ab | 539 | } |
4fda3ba1 | 540 |