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8309c1ab 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// ZDC digitizer class //
21// //
22///////////////////////////////////////////////////////////////////////////////
23
24#include <stdlib.h>
25
26// --- ROOT system
27#include <TTree.h>
28#include <TFile.h>
29#include <TNtuple.h>
30#include <TRandom.h>
31
32// --- AliRoot header files
33#include "AliLog.h"
34#include "AliRun.h"
35#include "AliHeader.h"
36#include "AliGenHijingEventHeader.h"
37#include "AliRunDigitizer.h"
38#include "AliRunLoader.h"
78d18275 39#include "AliCDBManager.h"
48642b09 40#include "AliCDBEntry.h"
8309c1ab 41#include "AliZDCSDigit.h"
42#include "AliZDCDigit.h"
43#include "AliZDCFragment.h"
a18a0543 44#include "AliZDCv3.h"
8309c1ab 45#include "AliZDCDigitizer.h"
8a2624cc 46
47class AliCDBStorage;
6024ec85 48class AliZDCPedestals;
49class AliZDCCalib;
8309c1ab 50
51ClassImp(AliZDCDigitizer)
52
53
54//____________________________________________________________________________
a718c993 55AliZDCDigitizer::AliZDCDigitizer() :
56 fIsCalibration(0),
fd9afd60 57 fIsSignalInADCGate(kFALSE),
58 fFracLostSignal(0.),
a718c993 59 fPedData(0),
70ecaffe 60 fCalibData(0),
61 fSpectators2Track(kFALSE)
8309c1ab 62{
63// Default constructor
64
65}
66
67//____________________________________________________________________________
68AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager):
a718c993 69 AliDigitizer(manager),
70 fIsCalibration(0), //By default the simulation doesn't create calib. data
fd9afd60 71 fIsSignalInADCGate(kFALSE),
72 fFracLostSignal(0.),
a718c993 73 fPedData(GetPedData()),
70ecaffe 74 fCalibData(GetCalibData()),
75 fSpectators2Track(kFALSE)
8309c1ab 76{
78d18275 77 // Get calibration data
d27e20dd 78 if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
78d18275 79
8309c1ab 80}
81
82//____________________________________________________________________________
83AliZDCDigitizer::~AliZDCDigitizer()
84{
85// Destructor
a718c993 86// Not implemented
8309c1ab 87}
88
89
cc2abffd 90//____________________________________________________________________________
91AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer):
a718c993 92 AliDigitizer(),
93 fIsCalibration(digitizer.fIsCalibration),
fd9afd60 94 fIsSignalInADCGate(digitizer.fIsSignalInADCGate),
95 fFracLostSignal(digitizer.fFracLostSignal),
a718c993 96 fPedData(digitizer.fPedData),
70ecaffe 97 fCalibData(digitizer.fCalibData),
98 fSpectators2Track(digitizer.fSpectators2Track)
cc2abffd 99{
100 // Copy constructor
101
102 for(Int_t i=0; i<6; i++){
103 for(Int_t j=0; j<5; j++){
104 fPMGain[i][j] = digitizer.fPMGain[i][j];
105 }
106 }
107 for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i];
cc2abffd 108
109}
110
8309c1ab 111//____________________________________________________________________________
112Bool_t AliZDCDigitizer::Init()
113{
48642b09 114 // Initialize the digitizer
115 // NB -> PM gain vs. HV & ADC resolutions will move to DCDB ***************
7f73eb6b 116 for(Int_t j = 0; j < 5; j++){
117 fPMGain[0][j] = 50000.;
118 fPMGain[1][j] = 100000.;
119 fPMGain[2][j] = 100000.;
a017f01b 120 fPMGain[3][j] = 50000.;
121 fPMGain[4][j] = 100000.;
122 fPMGain[5][j] = 100000.;
7f73eb6b 123 }
124 // ADC Caen V965
125 fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
126 fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
8309c1ab 127
128 return kTRUE;
129}
130
131//____________________________________________________________________________
132void AliZDCDigitizer::Exec(Option_t* /*option*/)
133{
48642b09 134 // Execute digitization
8309c1ab 135
d79f8d50 136 // ------------------------------------------------------------
83347831 137 // !!! 2nd ZDC set added
7f73eb6b 138 // *** 1st 3 arrays are digits from REAL (simulated) hits
139 // *** last 2 are copied from simulated digits
fd9afd60 140 // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4]
141 // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4]
48642b09 142 // --- pm[2][...] = light in ZEM [x, 1, 2, x, x]
fd9afd60 143 // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW!
144 // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW!
d79f8d50 145 // ------------------------------------------------------------
146 Float_t pm[5][5];
8574b308 147 for(Int_t iSector1=0; iSector1<5; iSector1++)
148 for(Int_t iSector2=0; iSector2<5; iSector2++){
8309c1ab 149 pm[iSector1][iSector2] = 0;
150 }
d79f8d50 151
152 // ------------------------------------------------------------
153 // ### Out of time ADC added (22 channels)
154 // --- same codification as for signal PTMs (see above)
155 // ------------------------------------------------------------
156 Float_t pmoot[5][5];
8574b308 157 for(Int_t iSector1=0; iSector1<5; iSector1++)
158 for(Int_t iSector2=0; iSector2<5; iSector2++){
d79f8d50 159 pmoot[iSector1][iSector2] = 0;
160 }
8309c1ab 161
162 // impact parameter and number of spectators
163 Float_t impPar = -1;
fd9afd60 164 Int_t specNTarg = 0, specPTarg = 0;
165 Int_t specNProj = 0, specPProj = 0;
a18a0543 166 Float_t signalTime0 = 0.;
8309c1ab 167
168 // loop over input streams
8574b308 169 for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){
8309c1ab 170
171 // get run loader and ZDC loader
172 AliRunLoader* runLoader =
173 AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput));
174 AliLoader* loader = runLoader->GetLoader("ZDCLoader");
8574b308 175 if(!loader) continue;
8309c1ab 176
177 // load sdigits
178 loader->LoadSDigits();
179 TTree* treeS = loader->TreeS();
8574b308 180 if(!treeS) continue;
8309c1ab 181 AliZDCSDigit sdigit;
182 AliZDCSDigit* psdigit = &sdigit;
183 treeS->SetBranchAddress("ZDC", &psdigit);
184
185 // loop over sdigits
8574b308 186 for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){
8309c1ab 187 treeS->GetEntry(iSDigit);
7f73eb6b 188 //
8574b308 189 if(!psdigit) continue;
190 if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){
8309c1ab 191 AliError(Form("\nsector[0] = %d, sector[1] = %d\n",
192 sdigit.GetSector(0), sdigit.GetSector(1)));
193 continue;
194 }
fd9afd60 195 // Checking if signal is inside ADC gate
196 if(iSDigit==0) signalTime0 = sdigit.GetTrackTime();
197 else{
198 // Assuming a signal lenght of 20 ns, signal is in gate if
199 // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50.
200 if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE;
201 if(sdigit.GetTrackTime()>signalTime0+30.){
202 fIsSignalInADCGate = kFALSE;
203 // Vedi quaderno per spiegazione approx. usata
204 // nel calcolo della fraz. di segnale perso
205 fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.;
206 }
207 }
208 Float_t sdSignal = sdigit.GetLightPM();
209 if(fIsSignalInADCGate == kFALSE){
a18a0543 210 AliWarning(Form("\t Fraction %f of ZDC signal 4 det.(%d, %d) out of ADC gate\n",
fd9afd60 211 fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1)));
212 sdSignal = (1-fFracLostSignal)*sdSignal;
213 }
214
48642b09 215 pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM();
878fa0b3 216 /*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n",
48642b09 217 sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1,
878fa0b3 218 sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging!
219 */
fd9afd60 220
8309c1ab 221 }
222
8309c1ab 223 loader->UnloadSDigits();
224
225 // get the impact parameter and the number of spectators in case of hijing
8574b308 226 if(!runLoader->GetAliRun()) runLoader->LoadgAlice();
d3b3a3b2 227 AliHeader* header = runLoader->GetHeader();
8574b308 228 if(!header) continue;
8309c1ab 229 AliGenEventHeader* genHeader = header->GenEventHeader();
8574b308 230 if(!genHeader) continue;
231 if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue;
a18a0543 232
70ecaffe 233 if(fSpectators2Track==kTRUE){
a18a0543 234 impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter();
235 specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn();
236 specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp();
237 specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn();
238 specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp();
239 printf("\n\t AliZDCDigitizer: b = %1.2f fm\n"
240 " \t PROJ.: #spectator n %d, #spectator p %d\n"
241 " \t TARG.: #spectator n %d, #spectator p %d\n\n",
242 impPar, specNProj, specPProj, specNTarg, specPTarg);
243 }
244
8309c1ab 245 }
246
fd9afd60 247 // Applying fragmentation algorithm and adding spectator signal
70ecaffe 248 if(fSpectators2Track==kTRUE && impPar) {
fd9afd60 249 Int_t freeSpecNProj, freeSpecPProj;
250 Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj);
251 Int_t freeSpecNTarg, freeSpecPTarg;
252 Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg);
253 SpectatorSignal(1, freeSpecNProj, pm);
a18a0543 254 //printf(" AliZDCDigitizer -> Signal for %d PROJ free spectator n",freeSpecNProj);
fd9afd60 255 SpectatorSignal(2, freeSpecPProj, pm);
a18a0543 256 //printf(" and %d free spectator p added\n",freeSpecPProj);
fd9afd60 257 SpectatorSignal(3, freeSpecNTarg, pm);
a18a0543 258 //printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n",freeSpecNTarg);
fd9afd60 259 SpectatorSignal(4, freeSpecPTarg, pm);
a18a0543 260 //printf("and %d free spectator p added\n",freeSpecPTarg);
8309c1ab 261 }
262
8a2624cc 263
8309c1ab 264 // get the output run loader and loader
265 AliRunLoader* runLoader =
266 AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
267 AliLoader* loader = runLoader->GetLoader("ZDCLoader");
8574b308 268 if(!loader) {
8309c1ab 269 AliError("no ZDC loader found");
270 return;
271 }
272
273 // create the output tree
274 const char* mode = "update";
8574b308 275 if(runLoader->GetEventNumber() == 0) mode = "recreate";
8309c1ab 276 loader->LoadDigits(mode);
277 loader->MakeTree("D");
278 TTree* treeD = loader->TreeD();
279 AliZDCDigit digit;
280 AliZDCDigit* pdigit = &digit;
281 const Int_t kBufferSize = 4000;
282 treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize);
283
284 // Create digits
80e87581 285 Int_t sector[2];
286 Int_t digi[2], digioot[2];
287 for(sector[0]=1; sector[0]<6; sector[0]++){
abf60186 288 for(sector[1]=0; sector[1]<5; sector[1]++){
289 if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue;
8574b308 290 for(Int_t res=0; res<2; res++){
abf60186 291 digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res)
48642b09 292 + Pedestal(sector[0], sector[1], res);
7f73eb6b 293 }
878fa0b3 294 /*printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n",
295 sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
296 */
abf60186 297 //
298 new(pdigit) AliZDCDigit(sector, digi);
8309c1ab 299 treeD->Fill();
300 }
83347831 301 } // Loop over detector
302 // Adding in-time digits for 2 reference PTM signals (after signal ch.)
303 // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!)
304 Int_t sectorRef[2];
305 sectorRef[1] = 5;
9d38ced8 306 Int_t sigRef[2];
80e87581 307 // Reference signal are set to 100 (high gain chain) and 800 (low gain chain)
9d38ced8 308 if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;}
80e87581 309 else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values
9d38ced8 310 //
83347831 311 for(Int_t iref=0; iref<2; iref++){
312 sectorRef[0] = 3*iref+1;
313 for(Int_t res=0; res<2; res++){
314 sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res);
315 }
878fa0b3 316 /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
317 sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging!
318 */
83347831 319 new(pdigit) AliZDCDigit(sectorRef, sigRef);
320 treeD->Fill();
abf60186 321 }
d79f8d50 322 //
323 // --- Adding digits for out-of-time channels after signal digits
80e87581 324 for(sector[0]=1; sector[0]<6; sector[0]++){
d79f8d50 325 for(sector[1]=0; sector[1]<5; sector[1]++){
326 if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue;
8574b308 327 for(Int_t res=0; res<2; res++){
d79f8d50 328 digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs
329 }
878fa0b3 330 /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
331 sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging!
332 */
d79f8d50 333 //
334 new(pdigit) AliZDCDigit(sector, digioot);
335 treeD->Fill();
d79f8d50 336 }
337 }
83347831 338 // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.)
339 Int_t sigRefoot[2];
340 for(Int_t iref=0; iref<2; iref++){
341 sectorRef[0] = 3*iref+1;
342 for(Int_t res=0; res<2; res++){
343 sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res);
344 }
878fa0b3 345 /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
346 sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging!
347 */
83347831 348 new(pdigit) AliZDCDigit(sectorRef, sigRefoot);
349 treeD->Fill();
83347831 350 }
351 //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
352
8309c1ab 353 // write the output tree
354 loader->WriteDigits("OVERWRITE");
355 loader->UnloadDigits();
356}
357
358
359//_____________________________________________________________________________
360void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP,
361 Int_t &freeSpecN, Int_t &freeSpecP) const
362{
363// simulate fragmentation of spectators
364
8309c1ab 365 AliZDCFragment frag(impPar);
8309c1ab 366
367 // Fragments generation
92339a90 368 frag.GenerateIMF();
369 Int_t nAlpha = frag.GetNalpha();
8309c1ab 370
371 // Attach neutrons
92339a90 372 Int_t ztot = frag.GetZtot();
373 Int_t ntot = frag.GetNtot();
374 frag.AttachNeutrons();
8309c1ab 375 freeSpecN = specN-ntot-2*nAlpha;
376 freeSpecP = specP-ztot-2*nAlpha;
3848c666 377 // Removing deuterons
a0607c1f 378 Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber());
3848c666 379 freeSpecN -= ndeu;
380 //
8309c1ab 381 if(freeSpecN<0) freeSpecN=0;
382 if(freeSpecP<0) freeSpecP=0;
383 AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP));
384}
385
386//_____________________________________________________________________________
387void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents,
fd9afd60 388 Float_t pm[5][5]) const
8309c1ab 389{
390// add signal of the spectators
fd9afd60 391
392 TString hfn;
393 if(SpecType == 1) { // --- Signal for projectile spectator neutrons
394 hfn = "$ALICE_ROOT/ZDC/ZNCSignal.root";
395 }
396 else if(SpecType == 2) { // --- Signal for projectile spectator protons
397 hfn = "$ALICE_ROOT/ZDC/ZPCSignal.root";
8309c1ab 398 }
fd9afd60 399 else if(SpecType == 3) { // --- Signal for target spectator neutrons
400 hfn = "$ALICE_ROOT/ZDC/ZNASignal.root";
401 }
402 else if(SpecType == 4) { // --- Signal for target spectator protons
403 hfn = "$ALICE_ROOT/ZDC/ZPASignal.root";
404 }
405
406 TFile* file = TFile::Open(hfn);
8574b308 407 if(!file || !file->IsOpen()) {
fd9afd60 408 AliError((Form(" Opening file %s failed\n",hfn.Data())));
8309c1ab 409 return;
410 }
411
412 TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal");
413 Int_t nentries = (Int_t) zdcSignal->GetEntries();
414
fd9afd60 415 Float_t *entry;
416 Int_t pl, i, k, iev=0, rnd[125], volume[2];
48642b09 417 for(pl=0;pl<125;pl++) rnd[pl] = 0;
8574b308 418 if(numEvents > 125) {
8309c1ab 419 AliWarning(Form("numEvents (%d) is larger than 125", numEvents));
420 numEvents = 125;
421 }
422 for(pl=0;pl<numEvents;pl++){
423 rnd[pl] = (Int_t) (9999*gRandom->Rndm());
85a96223 424 if(rnd[pl] >= 9999) rnd[pl] = 9998;
8309c1ab 425 //printf(" rnd[%d] = %d\n",pl,rnd[pl]);
426 }
427 // Sorting vector in ascending order with C function QSORT
428 qsort((void*)rnd,numEvents,sizeof(Int_t),comp);
429 do{
430 for(i=0; i<nentries; i++){
431 zdcSignal->GetEvent(i);
432 entry = zdcSignal->GetArgs();
433 if(entry[0] == rnd[iev]){
434 for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1];
48642b09 435 //
fd9afd60 436 Float_t lightQ = entry[7];
437 Float_t lightC = entry[8];
438 //
acf9550c 439 if(volume[0] != 3) { // ZN or ZP
8309c1ab 440 pm[volume[0]-1][0] += lightC;
441 pm[volume[0]-1][volume[1]] += lightQ;
48642b09 442 //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0],
443 // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]);
444 }
445 else {
8574b308 446 if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1
acf9550c 447 else pm[2][2] += lightQ; // ZEM 2
48642b09 448 //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]);
449 }
8309c1ab 450 }
451 else if(entry[0] > rnd[iev]){
452 iev++;
453 continue;
454 }
455 }
456 }while(iev<numEvents);
457
458 file->Close();
459 delete file;
460}
461
462
463//_____________________________________________________________________________
464Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light,
465 Int_t Res) const
466{
48642b09 467 // Evaluation of the ADC channel corresponding to the light yield Light
8a2624cc 468 Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]);
878fa0b3 469 //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,vADCch);
7f73eb6b 470
8a2624cc 471 return vADCch;
48642b09 472}
8309c1ab 473
48642b09 474//_____________________________________________________________________________
475Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
476{
8a2624cc 477 // Returns a pedestal for detector det, PM quad, channel with res.
478 //
65b16e87 479 Float_t pedValue;
abf60186 480 // Normal run
481 if(fIsCalibration == 0){
c35ed519 482 Int_t index=0, kNch=24;
83347831 483 if(Quad!=5){
c35ed519 484 if(Det==1) index = Quad+kNch*Res; // ZNC
485 else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC
486 else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM
487 else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA
488 else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA
83347831 489 }
c35ed519 490 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
83347831 491 //
c35ed519 492 Float_t meanPed = fPedData->GetMeanPed(index);
493 Float_t pedWidth = fPedData->GetMeanPedWidth(index);
65b16e87 494 pedValue = gRandom->Gaus(meanPed,pedWidth);
abf60186 495 //
58e12fee 496 /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n",
65b16e87 497 Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging!
abf60186 498 */
499 }
7f73eb6b 500 // To create calibration object
83347831 501 else{
65b16e87 502 if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain
503 else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain
83347831 504 }
dbc8d7fc 505
65b16e87 506 return (Int_t) pedValue;
8309c1ab 507}
508
509//_____________________________________________________________________________
78d18275 510AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri)
8309c1ab 511{
8309c1ab 512
78d18275 513 Bool_t deleteManager = kFALSE;
48642b09 514
78d18275 515 AliCDBManager *manager = AliCDBManager::Instance();
516 AliCDBStorage *defstorage = manager->GetDefaultStorage();
48642b09 517
78d18275 518 if(!defstorage || !(defstorage->Contains("ZDC"))){
519 AliWarning("No default storage set or default storage doesn't contain ZDC!");
520 manager->SetDefaultStorage(uri);
521 deleteManager = kTRUE;
522 }
523
524 AliCDBStorage *storage = manager->GetDefaultStorage();
525
526 if(deleteManager){
527 AliCDBManager::Instance()->UnsetDefaultStorage();
528 defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
529 }
530
531 return storage;
532}
48642b09 533
78d18275 534//_____________________________________________________________________________
6024ec85 535AliZDCPedestals* AliZDCDigitizer::GetPedData() const
536{
537
538 // Getting pedestal calibration object for ZDC set
539
540 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals");
541 if(!entry) AliFatal("No calibration data loaded!");
542
543 AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject());
544 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
545
546 return calibdata;
547}
548
549//_____________________________________________________________________________
550AliZDCCalib* AliZDCDigitizer::GetCalibData() const
551{
552
553 // Getting calibration object for ZDC set
554
1ee299a5 555 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EMDCalib");
6024ec85 556 if(!entry) AliFatal("No calibration data loaded!");
557
558 AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject());
559 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
560
561 return calibdata;
562}