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 //_____________________________________________________________________________
72 // Default constructor for the Zero Degree Calorimeter base class
83 //_____________________________________________________________________________
84 AliZDC::AliZDC(const char *name, const char *title) :
85 AliDetector(name,title),
97 // Standard constructor for the Zero Degree Calorimeter base class
105 fHits = new TClonesArray("AliZDCHit",1000);
106 gAlice->GetMCApp()->AddHitList(fHits);
108 SetName("ZDC"); SetTitle("ZDC");
112 //____________________________________________________________________________
120 if(fPedCalib) delete fPedCalib;
121 if(fEnCalibData) delete fEnCalibData;
122 if(fEnCalibData) delete fEnCalibData;
126 //_____________________________________________________________________________
127 AliZDC::AliZDC(const AliZDC& ZDC) :
128 AliDetector("ZDC","ZDC"),
129 fNoShower(ZDC.fNoShower),
130 fPedCalib(ZDC.fPedCalib),
131 fEnCalibData(ZDC.fEnCalibData),
132 fTowCalibData(ZDC.fTowCalibData),
133 fZDCCalibFName(ZDC.fZDCCalibFName),
134 fSpectatorTracked(ZDC.fSpectatorTracked),
135 fBeamEnergy(ZDC.fBeamEnergy),
136 fIspASystem(ZDC.fIspASystem),
137 fIsRELDISgen(ZDC.fIsRELDISgen)
142 //_____________________________________________________________________________
143 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
145 // assignement operator
147 fNoShower = ZDC.fNoShower;
148 fPedCalib = ZDC.fPedCalib;
149 fEnCalibData = ZDC.fEnCalibData;
150 fTowCalibData = ZDC.fTowCalibData;
151 fZDCCalibFName = ZDC.fZDCCalibFName;
152 fBeamEnergy = ZDC.fBeamEnergy;
153 fIspASystem = ZDC.fIspASystem;
157 //_____________________________________________________________________________
158 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
161 // Add a ZDC hit to the hit list.
163 static Float_t trackTime=0., trackEta=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
164 static Int_t pcPDGcode, motPDGcode;
166 AliZDCHit *newquad, *curprimquad;
167 newquad = new AliZDCHit(fIshunt, track, vol, hits);
168 TClonesArray &lhits = *fHits;
171 // First hit -> setting flag for primary or secondary particle
172 TParticle * p = gAlice->GetMCApp()->Particle(track);
173 Int_t imo = p->GetFirstMother();
176 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
178 else if(track == imo){
179 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
182 sFlag = newquad->GetSFlag();
183 primKinEn = newquad->GetPrimKinEn();
184 xImpact = newquad->GetXImpact();
185 yImpact = newquad->GetYImpact();
186 pcPDGcode = newquad->GetPDGCode();
187 motPDGcode = newquad->GetMotherPDGCode();
188 trackTime = newquad->GetTrackTOF();
189 trackEta = newquad->GetTrackEta();
192 newquad->SetPrimKinEn(primKinEn);
193 newquad->SetXImpact(xImpact);
194 newquad->SetYImpact(yImpact);
195 newquad->SetSFlag(sFlag);
196 newquad->SetPDGCode(pcPDGcode);
197 newquad->SetMotherPDGCode(motPDGcode);
198 newquad->SetTrackTOF(trackTime);
199 newquad->SetTrackEta(trackEta);
203 for(j=0; j<fNhits; j++){
204 // If hits are equal (same track, same volume), sum them.
205 curprimquad = (AliZDCHit*) lhits[j];
206 if(*curprimquad == *newquad){
207 *curprimquad = *curprimquad+*newquad;
209 //printf("\n\t Summing hits **************** \n", fNhits);
210 //curprimquad->Print("");
217 //Otherwise create a new hit
218 new(lhits[fNhits]) AliZDCHit(*newquad);
221 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
222 //newquad->Print("");
227 //____________________________________________________________________________
228 Float_t AliZDC::ZMin(void) const
230 // Minimum dimension of the ZDC module in z
234 //____________________________________________________________________________
235 Float_t AliZDC::ZMax(void) const
237 // Maximum dimension of the ZDC module in z
242 //_____________________________________________________________________________
243 void AliZDC::MakeBranch(Option_t *opt)
246 // Create Tree branches for the ZDC
250 snprintf(branchname, 10, "%s", GetName());
252 const char *cH = strstr(opt,"H");
254 if(cH && fLoader->TreeH()) {
260 fHits = new TClonesArray("AliZDCHit",1000);
261 if (gAlice && gAlice->GetMCApp())
262 gAlice->GetMCApp()->AddHitList(fHits);
266 AliDetector::MakeBranch(opt);
269 //_____________________________________________________________________________
270 void AliZDC::Hits2SDigits()
272 // Create summable digits from hits
274 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
276 fLoader->LoadHits("read");
277 fLoader->LoadSDigits("recreate");
278 AliRunLoader* runLoader = fLoader->GetRunLoader();
280 AliZDCSDigit* psdigit = &sdigit;
283 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
284 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
285 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
287 runLoader->GetEvent(iEvent);
288 TTree* treeH = fLoader->TreeH();
289 Int_t ntracks = (Int_t) treeH->GetEntries();
293 Int_t sector[2]; Float_t trackTime = 0.;
294 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
295 treeH->GetEntry(itrack);
296 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
297 zdcHit = (AliZDCHit*)NextHit()) {
299 sector[0] = zdcHit->GetVolume(0);
300 sector[1] = zdcHit->GetVolume(1);
301 if((sector[1] < 1) || (sector[1]>5)) {
302 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
305 Float_t lightQ = zdcHit->GetLightPMQ();
306 Float_t lightC = zdcHit->GetLightPMC();
307 trackTime = zdcHit->GetTrackTOF();
308 // Signals from ZEM are delayed to arrive in time with ZDC signals
309 if(sector[0] == 3) trackTime += 320;
311 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
312 // sector[0], sector[1], trackTime, lightQ, lightC);
314 if(sector[0] == 1) { //ZNC
316 pmZNC[sector[1]] += lightQ;
318 else if(sector[0] == 2) { //ZPC
320 pmZPC[sector[1]] += lightQ;
322 else if(sector[0] == 3) { //ZEM
323 if(sector[1] == 1) pmZEM1 += lightC;
324 else pmZEM2 += lightQ;
326 if(sector[0] == 4) { //ZNA
328 pmZNA[sector[1]] += lightQ;
330 else if(sector[0] == 5) { //ZPA
332 pmZPA[sector[1]] += lightQ;
337 // create the output tree
338 fLoader->MakeTree("S");
339 TTree* treeS = fLoader->TreeS();
340 const Int_t kBufferSize = 4000;
341 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
343 // Create sdigits for ZNC
344 sector[0] = 1; // Detector = ZNC
345 for(Int_t j = 0; j < 5; j++) {
348 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
351 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
352 // sector[0], sector[1], j, pmZNC[j], trackTime);
356 // Create sdigits for ZPC
357 sector[0] = 2; // Detector = ZPC
358 for(Int_t j = 0; j < 5; j++) {
359 sector[1] = j; // Towers PM ADCs
361 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
364 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
365 // sector[0], sector[1], j, pmZPC[j], trackTime);
369 // Create sdigits for ZEM
371 sector[1] = 1; // Detector = ZEM1
373 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
376 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
377 // sector[0], sector[1], pmZEM1, trackTime);
379 sector[1] = 2; // Detector = ZEM2
381 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
384 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
385 // sector[0], sector[1], pmZEM2, trackTime);
388 // Create sdigits for ZNA
389 sector[0] = 4; // Detector = ZNA
390 for(Int_t j = 0; j < 5; j++) {
391 sector[1] = j; // Towers PM ADCs
393 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
396 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
397 // sector[0], sector[1], j, pmZNA[j], trackTime);
401 // Create sdigits for ZPA
402 sector[0] = 5; // Detector = ZPA
403 sector[1] = 0; // Common PM ADC
404 for(Int_t j = 0; j < 5; j++) {
405 sector[1] = j; // Towers PM ADCs
407 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
410 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
411 // sector[0], sector[1], j, pmZPA[j], trackTime);
415 // write the output tree
416 fLoader->WriteSDigits("OVERWRITE");
419 fLoader->UnloadHits();
420 fLoader->UnloadSDigits();
423 //_____________________________________________________________________________
424 AliDigitizer* AliZDC::CreateDigitizer(AliDigitizationInput* digInput) const{
425 // Create the digitizer for ZDC
426 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(digInput);
427 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
428 if(fBeamEnergy>0.01) zdcDigitizer->SetBeamEnergy(fBeamEnergy);
429 if(fIspASystem==kTRUE) zdcDigitizer->SetpAsystem();
430 if(fIsRELDISgen==kTRUE) zdcDigitizer->SetRELDISGenerator();
431 //if(fIspASystem==kTRUE) printf("\n **** ZDC digitizer initialized for p-A collisions\n\n");
435 //_____________________________________________________________________________
436 void AliZDC::Digits2Raw()
438 // Convert ZDC digits to raw data
440 // 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
441 // + 24 int values for the corresponding out of time channels
442 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
443 // 12 channels x 2 gain chains read from 1st ADC module
444 // 12 channels x 2 gain chains read from 2nd ADC module
445 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
446 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
448 const int knADCData1=12, knADCData2=12;
449 const int knADCData3=12, knADCData4=12;
456 UInt_t lADCData1[2*knADCData1];
457 UInt_t lADCData2[2*knADCData2];
458 UInt_t lADCData3[2*knADCData3];
459 UInt_t lADCData4[2*knADCData4];
464 fLoader->LoadDigits("read");
466 AliZDCDigit* pdigit = &digit;
467 TTree* treeD = fLoader->TreeD();
469 treeD->SetBranchAddress("ZDC", &pdigit);
470 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
472 // Reading channel map
473 //printf("\n\t Reading ADC mapping from OCDB\n");
474 AliZDCChMap * chMap = GetChMap();
475 const int nCh = knADCData1+knADCData2+knADCData3+knADCData4;
476 Int_t mapADC[nCh][4];
477 for(Int_t i=0; i<nCh; i++){
478 mapADC[i][0] = chMap->GetADCModule(i);
479 mapADC[i][1] = chMap->GetADCChannel(i);
480 mapADC[i][2] = chMap->GetDetector(i);
481 mapADC[i][3] = chMap->GetSector(i);
483 //printf(" mapADC[%d] = (%d %d %d %d)\n", i,
484 // mapADC[i][0],mapADC[i][1],mapADC[i][2],mapADC[i][3]);
487 // *** Fill data array
489 UInt_t lADCHeaderGEO1 = 0;
490 UInt_t lADCHeaderGEO2 = 1;
491 UInt_t lADCHeaderGEO3 = 2;
492 UInt_t lADCHeaderGEO4 = 3;
493 UInt_t lADCHeaderCRATE = 0;
494 UInt_t lADCHeaderCNT1 = knADCData1;
495 UInt_t lADCHeaderCNT2 = knADCData2;
496 UInt_t lADCHeaderCNT3 = knADCData3;
497 UInt_t lADCHeaderCNT4 = knADCData4;
499 lADCHeader1 = lADCHeaderGEO1 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
500 lADCHeaderCNT1 << 8 ;
501 lADCHeader2 = lADCHeaderGEO2 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
502 lADCHeaderCNT2 << 8 ;
503 lADCHeader3 = lADCHeaderGEO3 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
504 lADCHeaderCNT3 << 8 ;
505 lADCHeader4 = lADCHeaderGEO4 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
506 lADCHeaderCNT4 << 8 ;
509 UInt_t lADCDataGEO = 0;
511 UInt_t lADCDataValue1[2*knADCData1];
512 UInt_t lADCDataValue2[2*knADCData2];
513 UInt_t lADCDataValue3[2*knADCData3];
514 UInt_t lADCDataValue4[2*knADCData4];
516 UInt_t lADCDataOvFlwHG = 0;
517 UInt_t lADCDataOvFlwLG = 0;
519 for(Int_t i=0; i<2*knADCData1 ; i++) lADCDataValue1[i] = 0;
520 for(Int_t i=0; i<2*knADCData2 ; i++) lADCDataValue2[i] = 0;
521 for(Int_t i=0; i<2*knADCData3 ; i++) lADCDataValue3[i] = 0;
522 for(Int_t i=0; i<2*knADCData4 ; i++) lADCDataValue4[i] = 0;
524 UInt_t lADCDataChannel = 0;
526 Int_t indADC0=0, indADC1=0, indADC2=0, indADC3=0;
529 for(Int_t iDigit=0; iDigit<(Int_t) (treeD->GetEntries()); iDigit++){
530 treeD->GetEntry(iDigit);
531 if(!pdigit) continue;
535 // Scan of the map to assign the correct ADC module-channel
536 for(Int_t k=0; k<nCh; k++){
537 if(iDigit<knADCData1+knADCData2){
538 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
539 lADCDataGEO = (UInt_t) mapADC[k][0];
540 lADCDataChannel = (UInt_t) mapADC[k][1];
545 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
546 lADCDataGEO = (UInt_t) mapADC[k][0];
547 lADCDataChannel = (UInt_t) mapADC[k][1];
548 if(k>knADCData1+knADCData2) break;
553 //printf("iDigit %d det %d sec %d -> lADCDataGEO %d lADCDataChannel %d\n",
554 // iDigit,digit.GetSector(0),digit.GetSector(1),lADCDataGEO,lADCDataChannel);
557 if(indADC0>=knADCData1){
558 AliWarning(" Problem with digit index 4 ADC0\n");
561 Int_t indLG = indADC0+knADCData1;
563 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
564 lADCDataValue1[indADC0] = digit.GetADCValue(0);
565 lADCData1[indADC0] = lADCDataGEO << 27 | lADCDataChannel << 17 |
566 lADCDataOvFlwHG << 12 | (lADCDataValue1[indADC0] & 0xfff);
568 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
569 lADCDataValue1[indLG] = digit.GetADCValue(1);
570 lADCData1[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
571 lADCDataOvFlwLG << 12 | (lADCDataValue1[indLG] & 0xfff);
573 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
574 // lADCDataGEO,indADC0,lADCDataValue1[indADC0],indLG,lADCDataValue1[indLG]);
578 else if(lADCDataGEO==1){
579 if(indADC1>=knADCData2){
580 AliWarning(" Problem with digit index 4 ADC1\n");
583 Int_t indLG = indADC1+knADCData2;
585 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
586 lADCDataValue2[indADC1] = digit.GetADCValue(0);
587 lADCData2[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
588 lADCDataOvFlwHG << 12 | (lADCDataValue2[indADC1] & 0xfff);
590 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
591 lADCDataValue2[indLG] = digit.GetADCValue(1);
592 lADCData2[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
593 lADCDataOvFlwLG << 12 | (lADCDataValue2[indLG] & 0xfff);
595 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
596 // lADCDataGEO,indADC1,lADCDataValue2[indADC1],indLG,lADCDataValue2[indLG]);
600 else if(lADCDataGEO==2){
601 if(indADC2>=knADCData3){
602 AliWarning(" Problem with digit index 4 ADC2\n");
605 Int_t indLG = indADC2+knADCData3;
607 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
608 lADCDataValue3[indADC1] = digit.GetADCValue(0);
609 lADCData3[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
610 lADCDataOvFlwHG << 12 | (lADCDataValue3[indADC2] & 0xfff);
612 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
613 lADCDataValue3[indLG] = digit.GetADCValue(1);
614 lADCData3[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
615 lADCDataOvFlwLG << 12 | (lADCDataValue3[indLG] & 0xfff);
617 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
618 // lADCDataGEO,indADC2,lADCDataValue3[indADC2],indLG,lADCDataValue3[indLG]);
622 else if(lADCDataGEO==3){
623 if(indADC3>=knADCData4){
624 AliWarning(" Problem with digit index 4 ADC2\n");
627 Int_t indLG = indADC3+knADCData4;
629 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
630 lADCDataValue4[indADC3] = digit.GetADCValue(0);
631 lADCData4[indADC3] = lADCDataGEO << 27 | lADCDataChannel << 17 |
632 lADCDataOvFlwHG << 12 | (lADCDataValue4[indADC3] & 0xfff);
634 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
635 lADCDataValue4[indLG] = digit.GetADCValue(1);
636 lADCData4[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
637 lADCDataOvFlwLG << 12 | (lADCDataValue4[indLG] & 0xfff);
639 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
640 // lADCDataGEO,indADC3,lADCDataValue4[indADC3],indLG,lADCDataValue4[indLG]);
647 /*for(Int_t i=0;i<2*knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
648 for(Int_t i=0;i<2*knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
649 for(Int_t i=0;i<2*knADCData3;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
650 for(Int_t i=0;i<2*knADCData4;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);*/
653 UInt_t lADCEndBlockGEO = 0;
654 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
656 AliRunLoader* runLoader = fLoader->GetRunLoader();
657 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
659 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
660 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
662 // open the output file
664 fileName.Form("%s",AliDAQ::DdlFileName("ZDC",0));
666 AliFstream* file = new AliFstream(fileName.Data());
668 // write the DDL data header
669 AliRawDataHeaderSim header;
670 header.fSize = sizeof(header) +
671 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
672 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
673 sizeof(lADCHeader3) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
674 sizeof(lADCHeader4) + sizeof(lADCData4) + sizeof(lADCEndBlock);
676 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
677 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
678 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
679 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
680 printf("sizeof header = %d, ADCHeader3 = %d, ADCData3 = %d, ADCEndBlock = %d\n",
681 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
682 printf("sizeof header = %d, ADCHeader4 = %d, ADCData4 = %d, ADCEndBlock = %d\n",
683 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));*/
685 header.SetAttribute(0); // valid data
686 file->WriteBuffer((char*)(&header), sizeof(header));
687 // write the raw data and close the file
688 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
689 file->WriteBuffer((char*) &lADCData1, sizeof(lADCData1));
690 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
691 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
692 file->WriteBuffer((char*) (lADCData2), sizeof(lADCData2));
693 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
694 file->WriteBuffer((char*) &lADCHeader3, sizeof (lADCHeader3));
695 file->WriteBuffer((char*) (lADCData3), sizeof(lADCData3));
696 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
697 file->WriteBuffer((char*) &lADCHeader4, sizeof (lADCHeader4));
698 file->WriteBuffer((char*) (lADCData4), sizeof(lADCData4));
699 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
703 fLoader->UnloadDigits();
706 //_____________________________________________________________________________
707 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
709 // Convert ZDC raw data to Sdigits
711 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
713 AliError("no ZDC loader found");
717 // Create the output digit tree
718 TTree* treeS = loader->TreeS();
720 loader->MakeTree("S");
721 treeS = loader->TreeS();
725 AliZDCSDigit* psdigit = &sdigit;
726 const Int_t kBufferSize = 4000;
727 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
729 AliZDCRawStream rawStream(rawReader);
730 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
732 while(rawStream.Next()){
733 if(rawStream.IsADCDataWord()){
734 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
736 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
737 rawADC = rawStream.GetADCValue();
738 resADC = rawStream.GetADCGain();
739 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
740 // jcount, sector[0], sector[1], rawADC);
742 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
743 if(corrADC<0) corrADC=0;
744 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
746 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
747 // sector[0], sector[1], nPheVal);
749 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
755 // write the output tree
756 fLoader->WriteSDigits("OVERWRITE");
757 fLoader->UnloadSDigits();
762 //_____________________________________________________________________________
763 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
765 // Returns a pedestal for detector det, PM quad, channel with res.
767 // Getting calibration object for ZDC set
768 AliCDBManager *man = AliCDBManager::Instance();
769 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
770 if(!entry) AliFatal("No calibration data loaded!");
771 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
774 printf("\t No calibration object found for ZDC!");
778 Int_t index=0, kNch=24;
780 if(Det==1) index = Quad+kNch*Res; // ZN1
781 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
782 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
783 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
784 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
786 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
789 Float_t meanPed = calibPed->GetMeanPed(index);
790 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
791 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
793 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
797 return (Int_t) pedValue;
801 //_____________________________________________________________________________
802 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
804 // Evaluation of the no. of phe produced
805 Float_t pmGain[6][5];
807 for(Int_t j = 0; j < 5; j++){
808 pmGain[0][j] = 50000.;
809 pmGain[1][j] = 100000.;
810 pmGain[2][j] = 100000.;
811 pmGain[3][j] = 50000.;
812 pmGain[4][j] = 100000.;
813 pmGain[5][j] = 100000.;
816 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
817 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
819 Int_t nPhe = (Int_t) (ADCVal / (pmGain[Det-1][Quad] * resADC[Res]));
821 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
826 //______________________________________________________________________
827 void AliZDC::SetTreeAddress(){
829 // Set branch address for the Trees.
830 if(fLoader->TreeH() && (fHits == 0x0))
831 fHits = new TClonesArray("AliZDCHit",1000);
833 AliDetector::SetTreeAddress();
836 //_____________________________________________________________________________
837 AliZDCChMap* AliZDC::GetChMap() const
840 // Getting calibration object for ZDC
842 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/ChMap");
843 if(!entry) AliFatal("No calibration data loaded!");
845 AliZDCChMap *calibdata = dynamic_cast<AliZDCChMap*> (entry->GetObject());
846 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");