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