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 //_____________________________________________________________________________
74 // Default constructor for the Zero Degree Calorimeter base class
85 //_____________________________________________________________________________
86 AliZDC::AliZDC(const char *name, const char *title) :
87 AliDetector(name,title),
101 // Standard constructor for the Zero Degree Calorimeter base class
109 fHits = new TClonesArray("AliZDCHit",1000);
110 gAlice->GetMCApp()->AddHitList(fHits);
112 SetName("ZDC"); SetTitle("ZDC");
116 //____________________________________________________________________________
124 if(fPedCalib) delete fPedCalib;
125 if(fEnCalibData) delete fEnCalibData;
126 if(fEnCalibData) delete fEnCalibData;
130 //_____________________________________________________________________________
131 AliZDC::AliZDC(const AliZDC& ZDC) :
132 AliDetector("ZDC","ZDC"),
133 fNoShower(ZDC.fNoShower),
134 fPedCalib(ZDC.fPedCalib),
135 fEnCalibData(ZDC.fEnCalibData),
136 fTowCalibData(ZDC.fTowCalibData),
137 fZDCCalibFName(ZDC.fZDCCalibFName),
138 fSpectatorTracked(ZDC.fSpectatorTracked),
139 fBeamEnergy(ZDC.fBeamEnergy),
140 fIspASystem(ZDC.fIspASystem),
141 fIsRELDISgen(ZDC.fIsRELDISgen),
142 fOnlyZEM(ZDC.fOnlyZEM),
143 fFindMother(ZDC.fFindMother)
148 //_____________________________________________________________________________
149 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
151 // assignement operator
153 fNoShower = ZDC.fNoShower;
154 fPedCalib = ZDC.fPedCalib;
155 fEnCalibData = ZDC.fEnCalibData;
156 fTowCalibData = ZDC.fTowCalibData;
157 fZDCCalibFName = ZDC.fZDCCalibFName;
158 fBeamEnergy = ZDC.fBeamEnergy;
159 fIspASystem = ZDC.fIspASystem;
160 fIsRELDISgen = ZDC.fIsRELDISgen;
161 fOnlyZEM = ZDC.fOnlyZEM;
162 fFindMother = fFindMother;
166 //_____________________________________________________________________________
167 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
170 // Add a ZDC hit to the hit list.
172 static Float_t trackTime=0., trackEta=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
173 static Int_t pcPDGcode=0, motPDGcode=0;
175 AliZDCHit *newquad, *curprimquad;
176 newquad = new AliZDCHit(fIshunt, track, vol, hits);
177 TClonesArray &lhits = *fHits;
180 // First hit -> setting flag for primary or secondary particle
181 /*TParticle * p = gAlice->GetMCApp()->Particle(track);
182 Int_t imo = p->GetFirstMother();
185 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
187 else if(track == imo){
188 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
191 sFlag = newquad->GetSFlag();
192 primKinEn = newquad->GetPrimKinEn();
193 xImpact = newquad->GetXImpact();
194 yImpact = newquad->GetYImpact();
195 pcPDGcode = newquad->GetPDGCode();
196 motPDGcode = newquad->GetMotherPDGCode();
197 trackTime = newquad->GetTrackTOF();
198 trackEta = newquad->GetTrackEta();
201 newquad->SetPrimKinEn(primKinEn);
202 newquad->SetXImpact(xImpact);
203 newquad->SetYImpact(yImpact);
204 newquad->SetSFlag(sFlag);
205 newquad->SetPDGCode(pcPDGcode);
206 newquad->SetMotherPDGCode(motPDGcode);
207 newquad->SetTrackTOF(trackTime);
208 newquad->SetTrackEta(trackEta);
212 for(j=0; j<fNhits; j++){
213 // If hits are equal (same track, same volume), sum them.
214 curprimquad = (AliZDCHit*) lhits[j];
215 if(*curprimquad == *newquad){
216 *curprimquad = *curprimquad+*newquad;
218 //printf("\n\t Summing hits **************** \n", fNhits);
219 //curprimquad->Print("");
226 //Otherwise create a new hit
227 new(lhits[fNhits]) AliZDCHit(*newquad);
230 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
231 //newquad->Print("");
236 //____________________________________________________________________________
237 Float_t AliZDC::ZMin(void) const
239 // Minimum dimension of the ZDC module in z
243 //____________________________________________________________________________
244 Float_t AliZDC::ZMax(void) const
246 // Maximum dimension of the ZDC module in z
251 //_____________________________________________________________________________
252 void AliZDC::MakeBranch(Option_t *opt)
255 // Create Tree branches for the ZDC
259 snprintf(branchname, 10, "%s", GetName());
261 const char *cH = strstr(opt,"H");
263 if(cH && fLoader->TreeH()) {
269 fHits = new TClonesArray("AliZDCHit",1000);
270 if (gAlice && gAlice->GetMCApp())
271 gAlice->GetMCApp()->AddHitList(fHits);
275 AliDetector::MakeBranch(opt);
278 //_____________________________________________________________________________
279 void AliZDC::Hits2SDigits()
281 // Create summable digits from hits
283 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
285 fLoader->LoadHits("read");
286 fLoader->LoadSDigits("recreate");
287 AliRunLoader* runLoader = fLoader->GetRunLoader();
289 AliZDCSDigit* psdigit = &sdigit;
292 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
293 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
294 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
296 runLoader->GetEvent(iEvent);
297 TTree* treeH = fLoader->TreeH();
298 Int_t ntracks = (Int_t) treeH->GetEntries();
302 Int_t sector[2]; Float_t trackTime = 0.;
303 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
304 treeH->GetEntry(itrack);
305 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
306 zdcHit = (AliZDCHit*)NextHit()) {
308 sector[0] = zdcHit->GetVolume(0);
309 sector[1] = zdcHit->GetVolume(1);
310 if((sector[1] < 1) || (sector[1]>5)) {
311 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
314 Float_t lightQ = zdcHit->GetLightPMQ();
315 Float_t lightC = zdcHit->GetLightPMC();
316 trackTime = zdcHit->GetTrackTOF();
317 // Signals from ZEM are delayed to arrive in time with ZDC signals
318 if(sector[0] == 3) trackTime += 320;
320 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
321 // sector[0], sector[1], trackTime, lightQ, lightC);
323 if(sector[0] == 1) { //ZNC
325 pmZNC[sector[1]] += lightQ;
327 else if(sector[0] == 2) { //ZPC
329 pmZPC[sector[1]] += lightQ;
331 else if(sector[0] == 3) { //ZEM
332 if(sector[1] == 1) pmZEM1 += lightC;
333 else pmZEM2 += lightQ;
335 if(sector[0] == 4) { //ZNA
337 pmZNA[sector[1]] += lightQ;
339 else if(sector[0] == 5) { //ZPA
341 pmZPA[sector[1]] += lightQ;
346 // create the output tree
347 fLoader->MakeTree("S");
348 TTree* treeS = fLoader->TreeS();
349 const Int_t kBufferSize = 4000;
350 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
352 // Create sdigits for ZNC
353 sector[0] = 1; // Detector = ZNC
354 for(Int_t j = 0; j < 5; j++) {
357 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
360 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
361 // sector[0], sector[1], j, pmZNC[j], trackTime);
365 // Create sdigits for ZPC
366 sector[0] = 2; // Detector = ZPC
367 for(Int_t j = 0; j < 5; j++) {
368 sector[1] = j; // Towers PM ADCs
370 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
373 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
374 // sector[0], sector[1], j, pmZPC[j], trackTime);
378 // Create sdigits for ZEM
380 sector[1] = 1; // Detector = ZEM1
382 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
385 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
386 // sector[0], sector[1], pmZEM1, trackTime);
388 sector[1] = 2; // Detector = ZEM2
390 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
393 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
394 // sector[0], sector[1], pmZEM2, trackTime);
397 // Create sdigits for ZNA
398 sector[0] = 4; // Detector = ZNA
399 for(Int_t j = 0; j < 5; j++) {
400 sector[1] = j; // Towers PM ADCs
402 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
405 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
406 // sector[0], sector[1], j, pmZNA[j], trackTime);
410 // Create sdigits for ZPA
411 sector[0] = 5; // Detector = ZPA
412 sector[1] = 0; // Common PM ADC
413 for(Int_t j = 0; j < 5; j++) {
414 sector[1] = j; // Towers PM ADCs
416 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
419 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
420 // sector[0], sector[1], j, pmZPA[j], trackTime);
424 // write the output tree
425 fLoader->WriteSDigits("OVERWRITE");
428 fLoader->UnloadHits();
429 fLoader->UnloadSDigits();
432 //_____________________________________________________________________________
433 AliDigitizer* AliZDC::CreateDigitizer(AliDigitizationInput* digInput) const{
434 // Create the digitizer for ZDC
435 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(digInput);
436 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
437 if(fBeamEnergy>0.01) zdcDigitizer->SetBeamEnergy(fBeamEnergy);
438 if(fIspASystem==kTRUE) zdcDigitizer->SetpAsystem();
439 if(fIsRELDISgen==kTRUE) zdcDigitizer->SetRELDISGenerator();
440 //if(fIspASystem==kTRUE) printf("\n **** ZDC digitizer initialized for p-A collisions\n\n");
444 //_____________________________________________________________________________
445 void AliZDC::Digits2Raw()
447 // Convert ZDC digits to raw data
449 // 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
450 // + 24 int values for the corresponding out of time channels
451 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
452 // 12 channels x 2 gain chains read from 1st ADC module
453 // 12 channels x 2 gain chains read from 2nd ADC module
454 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
455 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
457 const int knADCData1=12, knADCData2=12;
458 const int knADCData3=12, knADCData4=12;
465 UInt_t lADCData1[2*knADCData1];
466 UInt_t lADCData2[2*knADCData2];
467 UInt_t lADCData3[2*knADCData3];
468 UInt_t lADCData4[2*knADCData4];
473 fLoader->LoadDigits("read");
475 AliZDCDigit* pdigit = &digit;
476 TTree* treeD = fLoader->TreeD();
478 treeD->SetBranchAddress("ZDC", &pdigit);
479 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
481 // Reading channel map
482 //printf("\n\t Reading ADC mapping from OCDB\n");
483 AliZDCChMap * chMap = GetChMap();
484 const int nCh = knADCData1+knADCData2+knADCData3+knADCData4;
485 Int_t mapADC[nCh][4];
486 for(Int_t i=0; i<nCh; i++){
487 mapADC[i][0] = chMap->GetADCModule(i);
488 mapADC[i][1] = chMap->GetADCChannel(i);
489 mapADC[i][2] = chMap->GetDetector(i);
490 mapADC[i][3] = chMap->GetSector(i);
492 //printf(" mapADC[%d] = (%d %d %d %d)\n", i,
493 // mapADC[i][0],mapADC[i][1],mapADC[i][2],mapADC[i][3]);
496 // *** Fill data array
498 UInt_t lADCHeaderGEO1 = 0;
499 UInt_t lADCHeaderGEO2 = 1;
500 UInt_t lADCHeaderGEO3 = 2;
501 UInt_t lADCHeaderGEO4 = 3;
502 UInt_t lADCHeaderCRATE = 0;
503 UInt_t lADCHeaderCNT1 = knADCData1;
504 UInt_t lADCHeaderCNT2 = knADCData2;
505 UInt_t lADCHeaderCNT3 = knADCData3;
506 UInt_t lADCHeaderCNT4 = knADCData4;
508 lADCHeader1 = lADCHeaderGEO1 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
509 lADCHeaderCNT1 << 8 ;
510 lADCHeader2 = lADCHeaderGEO2 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
511 lADCHeaderCNT2 << 8 ;
512 lADCHeader3 = lADCHeaderGEO3 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
513 lADCHeaderCNT3 << 8 ;
514 lADCHeader4 = lADCHeaderGEO4 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
515 lADCHeaderCNT4 << 8 ;
518 UInt_t lADCDataGEO = 0;
520 UInt_t lADCDataValue1[2*knADCData1];
521 UInt_t lADCDataValue2[2*knADCData2];
522 UInt_t lADCDataValue3[2*knADCData3];
523 UInt_t lADCDataValue4[2*knADCData4];
525 UInt_t lADCDataOvFlwHG = 0;
526 UInt_t lADCDataOvFlwLG = 0;
528 for(Int_t i=0; i<2*knADCData1 ; i++) lADCDataValue1[i] = 0;
529 for(Int_t i=0; i<2*knADCData2 ; i++) lADCDataValue2[i] = 0;
530 for(Int_t i=0; i<2*knADCData3 ; i++) lADCDataValue3[i] = 0;
531 for(Int_t i=0; i<2*knADCData4 ; i++) lADCDataValue4[i] = 0;
533 UInt_t lADCDataChannel = 0;
535 Int_t indADC0=0, indADC1=0, indADC2=0, indADC3=0;
538 for(Int_t iDigit=0; iDigit<(Int_t) (treeD->GetEntries()); iDigit++){
539 treeD->GetEntry(iDigit);
540 if(!pdigit) continue;
544 // Scan of the map to assign the correct ADC module-channel
545 for(Int_t k=0; k<nCh; k++){
546 if(iDigit<knADCData1+knADCData2){
547 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
548 lADCDataGEO = (UInt_t) mapADC[k][0];
549 lADCDataChannel = (UInt_t) mapADC[k][1];
554 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
555 lADCDataGEO = (UInt_t) mapADC[k][0];
556 lADCDataChannel = (UInt_t) mapADC[k][1];
557 if(k>knADCData1+knADCData2) break;
562 //printf("iDigit %d det %d sec %d -> lADCDataGEO %d lADCDataChannel %d\n",
563 // iDigit,digit.GetSector(0),digit.GetSector(1),lADCDataGEO,lADCDataChannel);
566 if(indADC0>=knADCData1){
567 AliWarning(Form(" Problem with digit index %d for ADC0\n", indADC0));
570 Int_t indLG = indADC0+knADCData1;
572 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
573 lADCDataValue1[indADC0] = digit.GetADCValue(0);
574 lADCData1[indADC0] = lADCDataGEO << 27 | lADCDataChannel << 17 |
575 lADCDataOvFlwHG << 12 | (lADCDataValue1[indADC0] & 0xfff);
577 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
578 lADCDataValue1[indLG] = digit.GetADCValue(1);
579 lADCData1[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
580 lADCDataOvFlwLG << 12 | (lADCDataValue1[indLG] & 0xfff);
582 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
583 // lADCDataGEO,indADC0,lADCDataValue1[indADC0],indLG,lADCDataValue1[indLG]);
587 else if(lADCDataGEO==1){
588 if(indADC1>=knADCData2){
589 AliWarning(Form(" Problem with digit index %d for ADC1\n", indADC1));
592 Int_t indLG = indADC1+knADCData2;
594 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
595 lADCDataValue2[indADC1] = digit.GetADCValue(0);
596 lADCData2[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
597 lADCDataOvFlwHG << 12 | (lADCDataValue2[indADC1] & 0xfff);
599 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
600 lADCDataValue2[indLG] = digit.GetADCValue(1);
601 lADCData2[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
602 lADCDataOvFlwLG << 12 | (lADCDataValue2[indLG] & 0xfff);
604 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
605 // lADCDataGEO,indADC1,lADCDataValue2[indADC1],indLG,lADCDataValue2[indLG]);
609 else if(lADCDataGEO==2){
610 if(indADC2>=knADCData3){
611 AliWarning(Form(" Problem with digit index %d for ADC2\n", indADC2));
614 Int_t indLG = indADC2+knADCData3;
616 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
617 lADCDataValue3[indADC1] = digit.GetADCValue(0);
618 lADCData3[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
619 lADCDataOvFlwHG << 12 | (lADCDataValue3[indADC2] & 0xfff);
621 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
622 lADCDataValue3[indLG] = digit.GetADCValue(1);
623 lADCData3[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
624 lADCDataOvFlwLG << 12 | (lADCDataValue3[indLG] & 0xfff);
626 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
627 // lADCDataGEO,indADC2,lADCDataValue3[indADC2],indLG,lADCDataValue3[indLG]);
631 else if(lADCDataGEO==3){
632 if(indADC3>=knADCData4){
633 AliWarning(Form(" Problem with digit index %d for ADC2\n", indADC3));
636 Int_t indLG = indADC3+knADCData4;
638 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
639 lADCDataValue4[indADC3] = digit.GetADCValue(0);
640 lADCData4[indADC3] = lADCDataGEO << 27 | lADCDataChannel << 17 |
641 lADCDataOvFlwHG << 12 | (lADCDataValue4[indADC3] & 0xfff);
643 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
644 lADCDataValue4[indLG] = digit.GetADCValue(1);
645 lADCData4[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
646 lADCDataOvFlwLG << 12 | (lADCDataValue4[indLG] & 0xfff);
648 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
649 // lADCDataGEO,indADC3,lADCDataValue4[indADC3],indLG,lADCDataValue4[indLG]);
656 /*for(Int_t i=0;i<2*knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
657 for(Int_t i=0;i<2*knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
658 for(Int_t i=0;i<2*knADCData3;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
659 for(Int_t i=0;i<2*knADCData4;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);*/
662 UInt_t lADCEndBlockGEO = 0;
663 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
665 AliRunLoader* runLoader = fLoader->GetRunLoader();
666 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
668 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
669 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
671 // open the output file
673 fileName.Form("%s",AliDAQ::DdlFileName("ZDC",0));
675 AliFstream* file = new AliFstream(fileName.Data());
677 // write the DDL data header
678 AliRawDataHeaderSim header;
679 header.fSize = sizeof(header) +
680 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
681 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
682 sizeof(lADCHeader3) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
683 sizeof(lADCHeader4) + sizeof(lADCData4) + sizeof(lADCEndBlock);
685 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
686 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
687 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
688 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
689 printf("sizeof header = %d, ADCHeader3 = %d, ADCData3 = %d, ADCEndBlock = %d\n",
690 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
691 printf("sizeof header = %d, ADCHeader4 = %d, ADCData4 = %d, ADCEndBlock = %d\n",
692 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));*/
694 header.SetAttribute(0); // valid data
695 file->WriteBuffer((char*)(&header), sizeof(header));
696 // write the raw data and close the file
697 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
698 file->WriteBuffer((char*) &lADCData1, sizeof(lADCData1));
699 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
700 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
701 file->WriteBuffer((char*) (lADCData2), sizeof(lADCData2));
702 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
703 file->WriteBuffer((char*) &lADCHeader3, sizeof (lADCHeader3));
704 file->WriteBuffer((char*) (lADCData3), sizeof(lADCData3));
705 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
706 file->WriteBuffer((char*) &lADCHeader4, sizeof (lADCHeader4));
707 file->WriteBuffer((char*) (lADCData4), sizeof(lADCData4));
708 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
712 fLoader->UnloadDigits();
715 //_____________________________________________________________________________
716 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
718 // Convert ZDC raw data to Sdigits
720 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
722 AliError("no ZDC loader found");
726 // Create the output digit tree
727 TTree* treeS = loader->TreeS();
729 loader->MakeTree("S");
730 treeS = loader->TreeS();
734 AliZDCSDigit* psdigit = &sdigit;
735 const Int_t kBufferSize = 4000;
736 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
738 AliZDCRawStream rawStream(rawReader);
739 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
741 while(rawStream.Next()){
742 if(rawStream.IsADCDataWord()){
743 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
745 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
746 rawADC = rawStream.GetADCValue();
747 resADC = rawStream.GetADCGain();
748 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
749 // jcount, sector[0], sector[1], rawADC);
751 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
752 if(corrADC<0) corrADC=0;
753 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
755 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
756 // sector[0], sector[1], nPheVal);
758 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
764 // write the output tree
765 fLoader->WriteSDigits("OVERWRITE");
766 fLoader->UnloadSDigits();
771 //_____________________________________________________________________________
772 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
774 // Returns a pedestal for detector det, PM quad, channel with res.
776 // Getting calibration object for ZDC set
777 AliCDBManager *man = AliCDBManager::Instance();
778 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
779 if(!entry) AliFatal("No calibration data loaded!");
780 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
783 printf("\t No calibration object found for ZDC!");
787 Int_t index=0, kNch=24;
789 if(Det==1) index = Quad+kNch*Res; // ZN1
790 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
791 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
792 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
793 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
795 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
798 Float_t meanPed = calibPed->GetMeanPed(index);
799 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
800 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
802 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
806 return (Int_t) pedValue;
810 //_____________________________________________________________________________
811 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
813 // Evaluation of the no. of phe produced
814 Float_t pmGain[6][5];
816 for(Int_t j = 0; j < 5; j++){
817 pmGain[0][j] = 50000.;
818 pmGain[1][j] = 100000.;
819 pmGain[2][j] = 100000.;
820 pmGain[3][j] = 50000.;
821 pmGain[4][j] = 100000.;
822 pmGain[5][j] = 100000.;
825 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
826 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
828 Int_t nPhe = (Int_t) (ADCVal / (pmGain[Det-1][Quad] * resADC[Res]));
830 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
835 //______________________________________________________________________
836 void AliZDC::SetTreeAddress(){
838 // Set branch address for the Trees.
839 if(fLoader->TreeH() && (fHits == 0x0))
840 fHits = new TClonesArray("AliZDCHit",1000);
842 AliDetector::SetTreeAddress();
845 //_____________________________________________________________________________
846 AliZDCChMap* AliZDC::GetChMap() const
849 // Getting calibration object for ZDC
851 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/ChMap");
852 if(!entry) AliFatal("No calibration data loaded!");
854 AliZDCChMap *calibdata = dynamic_cast<AliZDCChMap*> (entry->GetObject());
855 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");