1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // Zero Degree Calorimeter //
21 // This class contains the basic functions for the ZDCs; //
22 // functions specific to one particular geometry are //
23 // contained in the derived classes //
25 ///////////////////////////////////////////////////////////////////////////////
28 #include <TClonesArray.h>
33 #include <TParticle.h>
35 // --- AliRoot header files
36 #include "AliDetector.h"
37 #include "AliRawDataHeaderSim.h"
38 #include "AliRawReader.h"
39 #include "AliLoader.h"
45 #include "AliZDCHit.h"
46 #include "AliZDCSDigit.h"
47 #include "AliZDCDigit.h"
48 #include "AliZDCDigitizer.h"
49 #include "AliZDCRawStream.h"
50 #include "AliZDCPedestals.h"
51 #include "AliZDCEnCalib.h"
52 #include "AliZDCTowerCalib.h"
53 #include "AliFstream.h"
58 //_____________________________________________________________________________
69 // Default constructor for the Zero Degree Calorimeter base class
80 //_____________________________________________________________________________
81 AliZDC::AliZDC(const char *name, const char *title) :
82 AliDetector(name,title),
91 // Standard constructor for the Zero Degree Calorimeter base class
99 fHits = new TClonesArray("AliZDCHit",1000);
100 gAlice->GetMCApp()->AddHitList(fHits);
102 char sensname[5],senstitle[25];
103 sprintf(sensname,"ZDC");
104 sprintf(senstitle,"ZDC dummy");
105 SetName(sensname); SetTitle(senstitle);
109 //____________________________________________________________________________
117 if(fPedCalib) delete fPedCalib;
118 if(fEnCalibData) delete fEnCalibData;
119 if(fEnCalibData) delete fEnCalibData;
123 //_____________________________________________________________________________
124 AliZDC::AliZDC(const AliZDC& ZDC) :
125 AliDetector("ZDC","ZDC"),
126 fNoShower(ZDC.fNoShower),
127 fPedCalib(ZDC.fPedCalib),
128 fEnCalibData(ZDC.fEnCalibData),
129 fTowCalibData(ZDC.fTowCalibData),
130 fZDCCalibFName(ZDC.fZDCCalibFName),
131 fSpectatorTracked(ZDC.fSpectatorTracked)
136 //_____________________________________________________________________________
137 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
139 // assignement operator
141 fNoShower = ZDC.fNoShower;
142 fPedCalib = ZDC.fPedCalib;
143 fEnCalibData = ZDC.fEnCalibData;
144 fTowCalibData = ZDC.fTowCalibData;
145 fZDCCalibFName = ZDC.fZDCCalibFName;
149 //_____________________________________________________________________________
150 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
153 // Add a ZDC hit to the hit list.
155 static Float_t trackTime=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
156 static Int_t pcPDGcode, motPDGcode;
158 AliZDCHit *newquad, *curprimquad;
159 newquad = new AliZDCHit(fIshunt, track, vol, hits);
160 TClonesArray &lhits = *fHits;
163 // First hit -> setting flag for primary or secondary particle
164 TParticle * p = gAlice->GetMCApp()->Particle(track);
165 Int_t imo = p->GetFirstMother();
168 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
170 else if(track == imo){
171 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
174 sFlag = newquad->GetSFlag();
175 primKinEn = newquad->GetPrimKinEn();
176 xImpact = newquad->GetXImpact();
177 yImpact = newquad->GetYImpact();
178 pcPDGcode = newquad->GetPDGCode();
179 motPDGcode = newquad->GetMotherPDGCode();
180 trackTime = newquad->GetTrackTOF();
183 newquad->SetPrimKinEn(primKinEn);
184 newquad->SetXImpact(xImpact);
185 newquad->SetYImpact(yImpact);
186 newquad->SetSFlag(sFlag);
187 newquad->SetPDGCode(pcPDGcode);
188 newquad->SetMotherPDGCode(motPDGcode);
189 newquad->SetTrackTOF(trackTime);
193 for(j=0; j<fNhits; j++){
194 // If hits are equal (same track, same volume), sum them.
195 curprimquad = (AliZDCHit*) lhits[j];
196 if(*curprimquad == *newquad){
197 *curprimquad = *curprimquad+*newquad;
199 //printf("\n\t Summing hits **************** \n", fNhits);
200 //curprimquad->Print("");
207 //Otherwise create a new hit
208 new(lhits[fNhits]) AliZDCHit(*newquad);
211 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
212 //newquad->Print("");
217 //____________________________________________________________________________
218 Float_t AliZDC::ZMin(void) const
220 // Minimum dimension of the ZDC module in z
224 //____________________________________________________________________________
225 Float_t AliZDC::ZMax(void) const
227 // Maximum dimension of the ZDC module in z
232 //_____________________________________________________________________________
233 void AliZDC::MakeBranch(Option_t *opt)
236 // Create Tree branches for the ZDC
240 sprintf(branchname,"%s",GetName());
242 const char *cH = strstr(opt,"H");
244 if(cH && fLoader->TreeH()) {
250 fHits = new TClonesArray("AliZDCHit",1000);
251 if (gAlice && gAlice->GetMCApp())
252 gAlice->GetMCApp()->AddHitList(fHits);
256 AliDetector::MakeBranch(opt);
259 //_____________________________________________________________________________
260 void AliZDC::Hits2SDigits()
262 // Create summable digits from hits
264 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
266 fLoader->LoadHits("read");
267 fLoader->LoadSDigits("recreate");
268 AliRunLoader* runLoader = fLoader->GetRunLoader();
270 AliZDCSDigit* psdigit = &sdigit;
273 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
274 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
275 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
277 runLoader->GetEvent(iEvent);
278 TTree* treeH = fLoader->TreeH();
279 Int_t ntracks = (Int_t) treeH->GetEntries();
283 Int_t sector[2]; Float_t trackTime = 0.;
284 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
285 treeH->GetEntry(itrack);
286 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
287 zdcHit = (AliZDCHit*)NextHit()) {
289 sector[0] = zdcHit->GetVolume(0);
290 sector[1] = zdcHit->GetVolume(1);
291 if((sector[1] < 1) || (sector[1]>5)) {
292 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
295 Float_t lightQ = zdcHit->GetLightPMQ();
296 Float_t lightC = zdcHit->GetLightPMC();
297 trackTime = zdcHit->GetTrackTOF();
298 // Signals from ZEM are delayed to arrive in time with ZDC signals
299 if(sector[0] == 3) trackTime += 320;
301 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
302 // sector[0], sector[1], trackTime, lightQ, lightC);
304 if(sector[0] == 1) { //ZNC
306 pmZNC[sector[1]] += lightQ;
308 else if(sector[0] == 2) { //ZPC
310 pmZPC[sector[1]] += lightQ;
312 else if(sector[0] == 3) { //ZEM
313 if(sector[1] == 1) pmZEM1 += lightC;
314 else pmZEM2 += lightQ;
316 if(sector[0] == 4) { //ZNA
318 pmZNA[sector[1]] += lightQ;
320 else if(sector[0] == 5) { //ZPA
322 pmZPA[sector[1]] += lightQ;
327 // create the output tree
328 fLoader->MakeTree("S");
329 TTree* treeS = fLoader->TreeS();
330 const Int_t kBufferSize = 4000;
331 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
333 // Create sdigits for ZNC
334 sector[0] = 1; // Detector = ZNC
335 for(Int_t j = 0; j < 5; j++) {
338 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
341 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
342 // sector[0], sector[1], j, pmZNC[j], trackTime);
346 // Create sdigits for ZPC
347 sector[0] = 2; // Detector = ZPC
348 for(Int_t j = 0; j < 5; j++) {
349 sector[1] = j; // Towers PM ADCs
351 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
354 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
355 // sector[0], sector[1], j, pmZPC[j], trackTime);
359 // Create sdigits for ZEM
361 sector[1] = 1; // Detector = ZEM1
363 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
366 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
367 // sector[0], sector[1], pmZEM1, trackTime);
369 sector[1] = 2; // Detector = ZEM2
371 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
374 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
375 // sector[0], sector[1], pmZEM2, trackTime);
378 // Create sdigits for ZNA
379 sector[0] = 4; // Detector = ZNA
380 for(Int_t j = 0; j < 5; j++) {
381 sector[1] = j; // Towers PM ADCs
383 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
386 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
387 // sector[0], sector[1], j, pmZNA[j], trackTime);
391 // Create sdigits for ZPA
392 sector[0] = 5; // Detector = ZPA
393 sector[1] = 0; // Common PM ADC
394 for(Int_t j = 0; j < 5; j++) {
395 sector[1] = j; // Towers PM ADCs
397 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
400 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
401 // sector[0], sector[1], j, pmZPA[j], trackTime);
405 // write the output tree
406 fLoader->WriteSDigits("OVERWRITE");
409 fLoader->UnloadHits();
410 fLoader->UnloadSDigits();
413 //_____________________________________________________________________________
414 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
416 // Create the digitizer for ZDC
417 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(manager);
418 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
419 //printf("\n**************************ZDC digitizer created with Spectators2Track = %d\n\n", fSpectatorTracked);
423 //_____________________________________________________________________________
424 void AliZDC::Digits2Raw()
426 // Convert ZDC digits to raw data
428 // Format: 24 int values -> ZN1(C+Q1-4), ZP1(C+Q1-4), ZEM1, ZEM2, ZN(C+Q1-4), ZP2(C+Q1-4), 2 Ref PMs
429 // + 24 int values for the corresponding out of time channels
430 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
431 // 12 channels x 2 gain chains read from 1st ADC module
432 // 12 channels x 2 gain chains read from 2nd ADC module
433 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
434 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
436 const int knADCData1=12, knADCData2=12;
437 const int knADCData3=12, knADCData4=12;
442 UInt_t lADCData1[2*knADCData1];
443 UInt_t lADCData2[2*knADCData2];
444 UInt_t lADCData3[2*knADCData3];
445 UInt_t lADCData4[2*knADCData4];
450 fLoader->LoadDigits("read");
452 AliZDCDigit* pdigit = &digit;
453 TTree* treeD = fLoader->TreeD();
455 treeD->SetBranchAddress("ZDC", &pdigit);
456 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
458 // Reading channel map
459 printf("\n\t Reading ADC mapping from OCDB\n");
460 AliZDCChMap * chMap = GetChMap();
461 const int nCh = knADCData1+knADCData2+knADCData3+knADCData4;
462 Int_t mapADC[nCh][4];
463 for(Int_t i=0; i<nCh; i++){
464 mapADC[i][0] = chMap->GetADCModule(i);
465 mapADC[i][1] = chMap->GetADCChannel(i);
466 mapADC[i][2] = chMap->GetDetector(i);
467 mapADC[i][3] = chMap->GetSector(i);
470 // *** Fill data array
472 UInt_t lADCHeaderGEO1 = 0;
473 UInt_t lADCHeaderGEO2 = 1;
474 UInt_t lADCHeaderGEO3 = 2;
475 UInt_t lADCHeaderGEO4 = 3;
476 UInt_t lADCHeaderCRATE = 0;
477 UInt_t lADCHeaderCNT1 = knADCData1;
478 UInt_t lADCHeaderCNT2 = knADCData2;
479 UInt_t lADCHeaderCNT3 = knADCData3;
480 UInt_t lADCHeaderCNT4 = knADCData4;
482 lADCHeader1 = lADCHeaderGEO1 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
483 lADCHeaderCNT1 << 8 ;
484 lADCHeader2 = lADCHeaderGEO2 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
485 lADCHeaderCNT2 << 8 ;
486 lADCHeader3 = lADCHeaderGEO3 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
487 lADCHeaderCNT3 << 8 ;
488 lADCHeader4 = lADCHeaderGEO4 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
489 lADCHeaderCNT4 << 8 ;
492 UInt_t lADCDataGEO = 0;
494 UInt_t lADCDataValue1[2*knADCData1];
495 UInt_t lADCDataValue2[2*knADCData2];
496 UInt_t lADCDataValue3[2*knADCData3];
497 UInt_t lADCDataValue4[2*knADCData4];
499 UInt_t lADCDataOvFlwHG = 0;
500 UInt_t lADCDataOvFlwLG = 0;
502 for(Int_t i=0; i<knADCData1 ; i++){
503 lADCDataValue1[i] = 0;
505 for(Int_t i=0; i<knADCData2 ; i++){
506 lADCDataValue2[i] = 0;
508 for(Int_t i=0; i<knADCData3 ; i++){
509 lADCDataValue3[i] = 0;
511 for(Int_t i=0; i<knADCData4 ; i++){
512 lADCDataValue4[i] = 0;
515 UInt_t lADCDataChannel = 0;
518 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
519 treeD->GetEntry(iDigit);
520 if(!pdigit) continue;
524 // Scan of the map to assign the correct ADC module-channel
525 for(Int_t k=0; k<nCh; k++){
526 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
527 lADCDataGEO = mapADC[k][0];
528 lADCDataChannel = mapADC[k][1];
533 if(lADCDataGEO==0){ // *** In-time signals - 1st ADC module
535 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
536 lADCDataValue1[iDigit] = digit.GetADCValue(0);
537 lADCData1[iDigit] = lADCDataGEO << 27 | lADCDataChannel << 17 |
538 lADCDataOvFlwHG << 12 | (lADCDataValue1[iDigit] & 0xfff);
540 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
541 lADCDataValue1[iDigit+knADCData1] = digit.GetADCValue(1);
542 lADCData1[iDigit+knADCData1] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
543 lADCDataOvFlwLG << 12 | (lADCDataValue1[iDigit+knADCData1] & 0xfff);
545 else if(lADCDataGEO==1){ // *** In-time signals - 2nd ADC module
547 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
548 lADCDataValue2[iDigit] = digit.GetADCValue(0);
549 lADCData2[iDigit] = lADCDataGEO << 27 | lADCDataChannel << 17 |
550 lADCDataOvFlwHG << 12 | (lADCDataValue2[iDigit] & 0xfff);
552 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
553 lADCDataValue2[iDigit+knADCData1] = digit.GetADCValue(1);
554 lADCData2[iDigit+knADCData1] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
555 lADCDataOvFlwLG << 12 | (lADCDataValue2[iDigit+knADCData2] & 0xfff);
557 else if(lADCDataGEO==2){ // *** Out-of-time signals - 3rd ADC module
559 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
560 lADCDataValue3[iDigit] = digit.GetADCValue(0);
561 lADCData3[iDigit] = lADCDataGEO << 27 | lADCDataChannel << 17 |
562 lADCDataOvFlwHG << 12 | (lADCDataValue3[iDigit] & 0xfff);
564 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
565 lADCDataValue3[iDigit+knADCData1] = digit.GetADCValue(1);
566 lADCData3[iDigit+knADCData3] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
567 lADCDataOvFlwLG << 12 | (lADCDataValue3[iDigit+knADCData3] & 0xfff);
569 else if(lADCDataGEO==3){ // *** Out-of-time signals - 4rth ADC
571 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
572 lADCDataValue4[iDigit] = digit.GetADCValue(0);
573 lADCData4[iDigit] = lADCDataGEO << 27 | lADCDataChannel << 17 |
574 lADCDataOvFlwHG << 12 | (lADCDataValue4[iDigit] & 0xfff);
576 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
577 lADCDataValue4[iDigit+knADCData1] = digit.GetADCValue(1);
578 lADCData4[iDigit+knADCData4] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
579 lADCDataOvFlwLG << 12 | (lADCDataValue4[iDigit+knADCData4] & 0xfff);
584 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
585 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
586 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
587 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
591 UInt_t lADCEndBlockGEO = lADCHeaderGEO1;
592 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
594 AliRunLoader* runLoader = fLoader->GetRunLoader();
595 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
597 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
598 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
600 // open the output file
602 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
604 AliFstream* file = new AliFstream(fileName);
606 // write the DDL data header
607 AliRawDataHeaderSim header;
608 header.fSize = sizeof(header) +
609 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
610 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
611 sizeof(lADCHeader3) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
612 sizeof(lADCHeader4) + sizeof(lADCData4) + sizeof(lADCEndBlock);
614 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
615 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
616 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
617 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
620 header.SetAttribute(0); // valid data
621 file->WriteBuffer((char*)(&header), sizeof(header));
623 // write the raw data and close the file
624 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
625 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
626 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
627 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
628 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
629 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
630 file->WriteBuffer((char*) &lADCHeader3, sizeof (lADCHeader3));
631 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
632 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
633 file->WriteBuffer((char*) &lADCHeader4, sizeof (lADCHeader4));
634 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
635 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
639 fLoader->UnloadDigits();
642 //_____________________________________________________________________________
643 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
645 // Convert ZDC raw data to Sdigits
647 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
649 AliError("no ZDC loader found");
655 while(rawReader->NextEvent()){
656 (AliRunLoader::Instance())->GetEvent(iEvent++);
657 // Create the output digit tree
658 TTree* treeS = loader->TreeS();
660 loader->MakeTree("S");
661 treeS = loader->TreeS();
665 AliZDCSDigit* psdigit = &sdigit;
666 const Int_t kBufferSize = 4000;
667 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
669 AliZDCRawStream rawStream(rawReader);
670 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
672 while(rawStream.Next()){
673 if(rawStream.IsADCDataWord()){
674 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
676 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
677 rawADC = rawStream.GetADCValue();
678 resADC = rawStream.GetADCGain();
679 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
680 // jcount, sector[0], sector[1], rawADC);
682 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
683 if(corrADC<0) corrADC=0;
684 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
686 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
687 // sector[0], sector[1], nPheVal);
689 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
695 // write the output tree
696 fLoader->WriteSDigits("OVERWRITE");
697 fLoader->UnloadSDigits();
703 //_____________________________________________________________________________
704 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
706 // Returns a pedestal for detector det, PM quad, channel with res.
708 // Getting calibration object for ZDC set
709 AliCDBManager *man = AliCDBManager::Instance();
710 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
711 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
714 printf("\t No calibration object found for ZDC!");
718 Int_t index=0, kNch=24;
720 if(Det==1) index = Quad+kNch*Res; // ZN1
721 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
722 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
723 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
724 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
726 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
729 Float_t meanPed = calibPed->GetMeanPed(index);
730 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
731 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
733 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
737 return (Int_t) pedValue;
741 //_____________________________________________________________________________
742 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
744 // Evaluation of the no. of phe produced
745 Float_t pmGain[6][5];
747 for(Int_t j = 0; j < 5; j++){
748 pmGain[0][j] = 50000.;
749 pmGain[1][j] = 100000.;
750 pmGain[2][j] = 100000.;
751 pmGain[3][j] = 50000.;
752 pmGain[4][j] = 100000.;
753 pmGain[5][j] = 100000.;
756 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
757 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
759 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
761 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
766 //______________________________________________________________________
767 void AliZDC::SetTreeAddress(){
769 // Set branch address for the Trees.
770 if(fLoader->TreeH() && (fHits == 0x0))
771 fHits = new TClonesArray("AliZDCHit",1000);
773 AliDetector::SetTreeAddress();
776 //_____________________________________________________________________________
777 AliZDCChMap* AliZDC::GetChMap() const
780 // Getting calibration object for ZDC
782 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/ChMap");
783 if(!entry) AliFatal("No calibration data loaded!");
785 AliZDCChMap *calibdata = dynamic_cast<AliZDCChMap*> (entry->GetObject());
786 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");