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 //_____________________________________________________________________________
70 // Default constructor for the Zero Degree Calorimeter base class
81 //_____________________________________________________________________________
82 AliZDC::AliZDC(const char *name, const char *title) :
83 AliDetector(name,title),
93 // Standard constructor for the Zero Degree Calorimeter base class
101 fHits = new TClonesArray("AliZDCHit",1000);
102 gAlice->GetMCApp()->AddHitList(fHits);
104 SetName("ZDC"); SetTitle("ZDC");
108 //____________________________________________________________________________
116 if(fPedCalib) delete fPedCalib;
117 if(fEnCalibData) delete fEnCalibData;
118 if(fEnCalibData) delete fEnCalibData;
122 //_____________________________________________________________________________
123 AliZDC::AliZDC(const AliZDC& ZDC) :
124 AliDetector("ZDC","ZDC"),
125 fNoShower(ZDC.fNoShower),
126 fPedCalib(ZDC.fPedCalib),
127 fEnCalibData(ZDC.fEnCalibData),
128 fTowCalibData(ZDC.fTowCalibData),
129 fZDCCalibFName(ZDC.fZDCCalibFName),
130 fSpectatorTracked(ZDC.fSpectatorTracked),
131 fIspASystem(ZDC.fIspASystem)
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;
146 fIspASystem = ZDC.fIspASystem;
150 //_____________________________________________________________________________
151 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
154 // Add a ZDC hit to the hit list.
156 static Float_t trackTime=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
157 static Int_t pcPDGcode, motPDGcode;
159 AliZDCHit *newquad, *curprimquad;
160 newquad = new AliZDCHit(fIshunt, track, vol, hits);
161 TClonesArray &lhits = *fHits;
164 // First hit -> setting flag for primary or secondary particle
165 TParticle * p = gAlice->GetMCApp()->Particle(track);
166 Int_t imo = p->GetFirstMother();
169 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
171 else if(track == imo){
172 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
175 sFlag = newquad->GetSFlag();
176 primKinEn = newquad->GetPrimKinEn();
177 xImpact = newquad->GetXImpact();
178 yImpact = newquad->GetYImpact();
179 pcPDGcode = newquad->GetPDGCode();
180 motPDGcode = newquad->GetMotherPDGCode();
181 trackTime = newquad->GetTrackTOF();
184 newquad->SetPrimKinEn(primKinEn);
185 newquad->SetXImpact(xImpact);
186 newquad->SetYImpact(yImpact);
187 newquad->SetSFlag(sFlag);
188 newquad->SetPDGCode(pcPDGcode);
189 newquad->SetMotherPDGCode(motPDGcode);
190 newquad->SetTrackTOF(trackTime);
194 for(j=0; j<fNhits; j++){
195 // If hits are equal (same track, same volume), sum them.
196 curprimquad = (AliZDCHit*) lhits[j];
197 if(*curprimquad == *newquad){
198 *curprimquad = *curprimquad+*newquad;
200 //printf("\n\t Summing hits **************** \n", fNhits);
201 //curprimquad->Print("");
208 //Otherwise create a new hit
209 new(lhits[fNhits]) AliZDCHit(*newquad);
212 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
213 //newquad->Print("");
218 //____________________________________________________________________________
219 Float_t AliZDC::ZMin(void) const
221 // Minimum dimension of the ZDC module in z
225 //____________________________________________________________________________
226 Float_t AliZDC::ZMax(void) const
228 // Maximum dimension of the ZDC module in z
233 //_____________________________________________________________________________
234 void AliZDC::MakeBranch(Option_t *opt)
237 // Create Tree branches for the ZDC
241 snprintf(branchname, 10, "%s", GetName());
243 const char *cH = strstr(opt,"H");
245 if(cH && fLoader->TreeH()) {
251 fHits = new TClonesArray("AliZDCHit",1000);
252 if (gAlice && gAlice->GetMCApp())
253 gAlice->GetMCApp()->AddHitList(fHits);
257 AliDetector::MakeBranch(opt);
260 //_____________________________________________________________________________
261 void AliZDC::Hits2SDigits()
263 // Create summable digits from hits
265 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
267 fLoader->LoadHits("read");
268 fLoader->LoadSDigits("recreate");
269 AliRunLoader* runLoader = fLoader->GetRunLoader();
271 AliZDCSDigit* psdigit = &sdigit;
274 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
275 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
276 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
278 runLoader->GetEvent(iEvent);
279 TTree* treeH = fLoader->TreeH();
280 Int_t ntracks = (Int_t) treeH->GetEntries();
284 Int_t sector[2]; Float_t trackTime = 0.;
285 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
286 treeH->GetEntry(itrack);
287 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
288 zdcHit = (AliZDCHit*)NextHit()) {
290 sector[0] = zdcHit->GetVolume(0);
291 sector[1] = zdcHit->GetVolume(1);
292 if((sector[1] < 1) || (sector[1]>5)) {
293 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
296 Float_t lightQ = zdcHit->GetLightPMQ();
297 Float_t lightC = zdcHit->GetLightPMC();
298 trackTime = zdcHit->GetTrackTOF();
299 // Signals from ZEM are delayed to arrive in time with ZDC signals
300 if(sector[0] == 3) trackTime += 320;
302 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
303 // sector[0], sector[1], trackTime, lightQ, lightC);
305 if(sector[0] == 1) { //ZNC
307 pmZNC[sector[1]] += lightQ;
309 else if(sector[0] == 2) { //ZPC
311 pmZPC[sector[1]] += lightQ;
313 else if(sector[0] == 3) { //ZEM
314 if(sector[1] == 1) pmZEM1 += lightC;
315 else pmZEM2 += lightQ;
317 if(sector[0] == 4) { //ZNA
319 pmZNA[sector[1]] += lightQ;
321 else if(sector[0] == 5) { //ZPA
323 pmZPA[sector[1]] += lightQ;
328 // create the output tree
329 fLoader->MakeTree("S");
330 TTree* treeS = fLoader->TreeS();
331 const Int_t kBufferSize = 4000;
332 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
334 // Create sdigits for ZNC
335 sector[0] = 1; // Detector = ZNC
336 for(Int_t j = 0; j < 5; j++) {
339 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
342 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
343 // sector[0], sector[1], j, pmZNC[j], trackTime);
347 // Create sdigits for ZPC
348 sector[0] = 2; // Detector = ZPC
349 for(Int_t j = 0; j < 5; j++) {
350 sector[1] = j; // Towers PM ADCs
352 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
355 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
356 // sector[0], sector[1], j, pmZPC[j], trackTime);
360 // Create sdigits for ZEM
362 sector[1] = 1; // Detector = ZEM1
364 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
367 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
368 // sector[0], sector[1], pmZEM1, trackTime);
370 sector[1] = 2; // Detector = ZEM2
372 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
375 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
376 // sector[0], sector[1], pmZEM2, trackTime);
379 // Create sdigits for ZNA
380 sector[0] = 4; // Detector = ZNA
381 for(Int_t j = 0; j < 5; j++) {
382 sector[1] = j; // Towers PM ADCs
384 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
387 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
388 // sector[0], sector[1], j, pmZNA[j], trackTime);
392 // Create sdigits for ZPA
393 sector[0] = 5; // Detector = ZPA
394 sector[1] = 0; // Common PM ADC
395 for(Int_t j = 0; j < 5; j++) {
396 sector[1] = j; // Towers PM ADCs
398 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
401 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
402 // sector[0], sector[1], j, pmZPA[j], trackTime);
406 // write the output tree
407 fLoader->WriteSDigits("OVERWRITE");
410 fLoader->UnloadHits();
411 fLoader->UnloadSDigits();
414 //_____________________________________________________________________________
415 AliDigitizer* AliZDC::CreateDigitizer(AliDigitizationInput* digInput) const{
416 // Create the digitizer for ZDC
417 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(digInput);
418 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
419 if(fIspASystem==kTRUE) zdcDigitizer->SetpAsystem();
420 //if(fIspASystem==kTRUE) printf("\n **** ZDC digitizer initialized for p-A collisions\n\n");
424 //_____________________________________________________________________________
425 void AliZDC::Digits2Raw()
427 // Convert ZDC digits to raw data
429 // 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
430 // + 24 int values for the corresponding out of time channels
431 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
432 // 12 channels x 2 gain chains read from 1st ADC module
433 // 12 channels x 2 gain chains read from 2nd ADC module
434 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
435 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
437 const int knADCData1=12, knADCData2=12;
438 const int knADCData3=12, knADCData4=12;
445 UInt_t lADCData1[2*knADCData1];
446 UInt_t lADCData2[2*knADCData2];
447 UInt_t lADCData3[2*knADCData3];
448 UInt_t lADCData4[2*knADCData4];
453 fLoader->LoadDigits("read");
455 AliZDCDigit* pdigit = &digit;
456 TTree* treeD = fLoader->TreeD();
458 treeD->SetBranchAddress("ZDC", &pdigit);
459 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
461 // Reading channel map
462 //printf("\n\t Reading ADC mapping from OCDB\n");
463 AliZDCChMap * chMap = GetChMap();
464 const int nCh = knADCData1+knADCData2+knADCData3+knADCData4;
465 Int_t mapADC[nCh][4];
466 for(Int_t i=0; i<nCh; i++){
467 mapADC[i][0] = chMap->GetADCModule(i);
468 mapADC[i][1] = chMap->GetADCChannel(i);
469 mapADC[i][2] = chMap->GetDetector(i);
470 mapADC[i][3] = chMap->GetSector(i);
472 //printf(" mapADC[%d] = (%d %d %d %d)\n", i,
473 // mapADC[i][0],mapADC[i][1],mapADC[i][2],mapADC[i][3]);
476 // *** Fill data array
478 UInt_t lADCHeaderGEO1 = 0;
479 UInt_t lADCHeaderGEO2 = 1;
480 UInt_t lADCHeaderGEO3 = 2;
481 UInt_t lADCHeaderGEO4 = 3;
482 UInt_t lADCHeaderCRATE = 0;
483 UInt_t lADCHeaderCNT1 = knADCData1;
484 UInt_t lADCHeaderCNT2 = knADCData2;
485 UInt_t lADCHeaderCNT3 = knADCData3;
486 UInt_t lADCHeaderCNT4 = knADCData4;
488 lADCHeader1 = lADCHeaderGEO1 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
489 lADCHeaderCNT1 << 8 ;
490 lADCHeader2 = lADCHeaderGEO2 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
491 lADCHeaderCNT2 << 8 ;
492 lADCHeader3 = lADCHeaderGEO3 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
493 lADCHeaderCNT3 << 8 ;
494 lADCHeader4 = lADCHeaderGEO4 << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
495 lADCHeaderCNT4 << 8 ;
498 UInt_t lADCDataGEO = 0;
500 UInt_t lADCDataValue1[2*knADCData1];
501 UInt_t lADCDataValue2[2*knADCData2];
502 UInt_t lADCDataValue3[2*knADCData3];
503 UInt_t lADCDataValue4[2*knADCData4];
505 UInt_t lADCDataOvFlwHG = 0;
506 UInt_t lADCDataOvFlwLG = 0;
508 for(Int_t i=0; i<2*knADCData1 ; i++) lADCDataValue1[i] = 0;
509 for(Int_t i=0; i<2*knADCData2 ; i++) lADCDataValue2[i] = 0;
510 for(Int_t i=0; i<2*knADCData3 ; i++) lADCDataValue3[i] = 0;
511 for(Int_t i=0; i<2*knADCData4 ; i++) lADCDataValue4[i] = 0;
513 UInt_t lADCDataChannel = 0;
515 Int_t indADC0=0, indADC1=0, indADC2=0, indADC3=0;
518 for(Int_t iDigit=0; iDigit<(Int_t) (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(iDigit<knADCData1+knADCData2){
527 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
528 lADCDataGEO = (UInt_t) mapADC[k][0];
529 lADCDataChannel = (UInt_t) mapADC[k][1];
534 if(digit.GetSector(0)==mapADC[k][2] && digit.GetSector(1)==mapADC[k][3]){
535 lADCDataGEO = (UInt_t) mapADC[k][0];
536 lADCDataChannel = (UInt_t) mapADC[k][1];
537 if(k>knADCData1+knADCData2) break;
542 //printf("iDigit %d det %d sec %d -> lADCDataGEO %d lADCDataChannel %d\n",
543 // iDigit,digit.GetSector(0),digit.GetSector(1),lADCDataGEO,lADCDataChannel);
546 if(indADC0>=knADCData1){
547 AliWarning(" Problem with digit index 4 ADC0\n");
550 Int_t indLG = indADC0+knADCData1;
552 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
553 lADCDataValue1[indADC0] = digit.GetADCValue(0);
554 lADCData1[indADC0] = lADCDataGEO << 27 | lADCDataChannel << 17 |
555 lADCDataOvFlwHG << 12 | (lADCDataValue1[indADC0] & 0xfff);
557 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
558 lADCDataValue1[indLG] = digit.GetADCValue(1);
559 lADCData1[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
560 lADCDataOvFlwLG << 12 | (lADCDataValue1[indLG] & 0xfff);
562 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
563 // lADCDataGEO,indADC0,lADCDataValue1[indADC0],indLG,lADCDataValue1[indLG]);
567 else if(lADCDataGEO==1){
568 if(indADC1>=knADCData2){
569 AliWarning(" Problem with digit index 4 ADC1\n");
572 Int_t indLG = indADC1+knADCData2;
574 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
575 lADCDataValue2[indADC1] = digit.GetADCValue(0);
576 lADCData2[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
577 lADCDataOvFlwHG << 12 | (lADCDataValue2[indADC1] & 0xfff);
579 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
580 lADCDataValue2[indLG] = digit.GetADCValue(1);
581 lADCData2[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
582 lADCDataOvFlwLG << 12 | (lADCDataValue2[indLG] & 0xfff);
584 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
585 // lADCDataGEO,indADC1,lADCDataValue2[indADC1],indLG,lADCDataValue2[indLG]);
589 else if(lADCDataGEO==2){
590 if(indADC2>=knADCData3){
591 AliWarning(" Problem with digit index 4 ADC2\n");
594 Int_t indLG = indADC2+knADCData3;
596 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
597 lADCDataValue3[indADC1] = digit.GetADCValue(0);
598 lADCData3[indADC1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
599 lADCDataOvFlwHG << 12 | (lADCDataValue3[indADC2] & 0xfff);
601 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
602 lADCDataValue3[indLG] = digit.GetADCValue(1);
603 lADCData3[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
604 lADCDataOvFlwLG << 12 | (lADCDataValue3[indLG] & 0xfff);
606 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
607 // lADCDataGEO,indADC2,lADCDataValue3[indADC2],indLG,lADCDataValue3[indLG]);
611 else if(lADCDataGEO==3){
612 if(indADC3>=knADCData4){
613 AliWarning(" Problem with digit index 4 ADC2\n");
616 Int_t indLG = indADC3+knADCData4;
618 if(digit.GetADCValue(0) > 2047) lADCDataOvFlwHG = 1;
619 lADCDataValue4[indADC3] = digit.GetADCValue(0);
620 lADCData4[indADC3] = lADCDataGEO << 27 | lADCDataChannel << 17 |
621 lADCDataOvFlwHG << 12 | (lADCDataValue4[indADC3] & 0xfff);
623 if(digit.GetADCValue(1) > 2047) lADCDataOvFlwLG = 1;
624 lADCDataValue4[indLG] = digit.GetADCValue(1);
625 lADCData4[indLG] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
626 lADCDataOvFlwLG << 12 | (lADCDataValue4[indLG] & 0xfff);
628 //printf(" lADCDataGEO %d ADCdataHG[%d] %d ADCdataLG[%d] %d\n",
629 // lADCDataGEO,indADC3,lADCDataValue4[indADC3],indLG,lADCDataValue4[indLG]);
636 /*for(Int_t i=0;i<2*knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
637 for(Int_t i=0;i<2*knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
638 for(Int_t i=0;i<2*knADCData3;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
639 for(Int_t i=0;i<2*knADCData4;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);*/
642 UInt_t lADCEndBlockGEO = 0;
643 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
645 AliRunLoader* runLoader = fLoader->GetRunLoader();
646 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
648 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
649 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
651 // open the output file
653 fileName.Form("%s",AliDAQ::DdlFileName("ZDC",0));
655 AliFstream* file = new AliFstream(fileName.Data());
657 // write the DDL data header
658 AliRawDataHeaderSim header;
659 header.fSize = sizeof(header) +
660 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
661 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
662 sizeof(lADCHeader3) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
663 sizeof(lADCHeader4) + sizeof(lADCData4) + sizeof(lADCEndBlock);
665 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
666 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
667 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
668 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
669 printf("sizeof header = %d, ADCHeader3 = %d, ADCData3 = %d, ADCEndBlock = %d\n",
670 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
671 printf("sizeof header = %d, ADCHeader4 = %d, ADCData4 = %d, ADCEndBlock = %d\n",
672 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));*/
674 header.SetAttribute(0); // valid data
675 file->WriteBuffer((char*)(&header), sizeof(header));
676 // write the raw data and close the file
677 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
678 file->WriteBuffer((char*) &lADCData1, sizeof(lADCData1));
679 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
680 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
681 file->WriteBuffer((char*) (lADCData2), sizeof(lADCData2));
682 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
683 file->WriteBuffer((char*) &lADCHeader3, sizeof (lADCHeader3));
684 file->WriteBuffer((char*) (lADCData3), sizeof(lADCData3));
685 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
686 file->WriteBuffer((char*) &lADCHeader4, sizeof (lADCHeader4));
687 file->WriteBuffer((char*) (lADCData4), sizeof(lADCData4));
688 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
692 fLoader->UnloadDigits();
695 //_____________________________________________________________________________
696 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
698 // Convert ZDC raw data to Sdigits
700 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
702 AliError("no ZDC loader found");
706 // Create the output digit tree
707 TTree* treeS = loader->TreeS();
709 loader->MakeTree("S");
710 treeS = loader->TreeS();
714 AliZDCSDigit* psdigit = &sdigit;
715 const Int_t kBufferSize = 4000;
716 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
718 AliZDCRawStream rawStream(rawReader);
719 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
721 while(rawStream.Next()){
722 if(rawStream.IsADCDataWord()){
723 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
725 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
726 rawADC = rawStream.GetADCValue();
727 resADC = rawStream.GetADCGain();
728 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
729 // jcount, sector[0], sector[1], rawADC);
731 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
732 if(corrADC<0) corrADC=0;
733 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
735 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
736 // sector[0], sector[1], nPheVal);
738 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
744 // write the output tree
745 fLoader->WriteSDigits("OVERWRITE");
746 fLoader->UnloadSDigits();
751 //_____________________________________________________________________________
752 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
754 // Returns a pedestal for detector det, PM quad, channel with res.
756 // Getting calibration object for ZDC set
757 AliCDBManager *man = AliCDBManager::Instance();
758 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
759 if(!entry) AliFatal("No calibration data loaded!");
760 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
763 printf("\t No calibration object found for ZDC!");
767 Int_t index=0, kNch=24;
769 if(Det==1) index = Quad+kNch*Res; // ZN1
770 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
771 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
772 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
773 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
775 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
778 Float_t meanPed = calibPed->GetMeanPed(index);
779 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
780 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
782 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
786 return (Int_t) pedValue;
790 //_____________________________________________________________________________
791 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
793 // Evaluation of the no. of phe produced
794 Float_t pmGain[6][5];
796 for(Int_t j = 0; j < 5; j++){
797 pmGain[0][j] = 50000.;
798 pmGain[1][j] = 100000.;
799 pmGain[2][j] = 100000.;
800 pmGain[3][j] = 50000.;
801 pmGain[4][j] = 100000.;
802 pmGain[5][j] = 100000.;
805 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
806 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
808 Int_t nPhe = (Int_t) (ADCVal / (pmGain[Det-1][Quad] * resADC[Res]));
810 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
815 //______________________________________________________________________
816 void AliZDC::SetTreeAddress(){
818 // Set branch address for the Trees.
819 if(fLoader->TreeH() && (fHits == 0x0))
820 fHits = new TClonesArray("AliZDCHit",1000);
822 AliDetector::SetTreeAddress();
825 //_____________________________________________________________________________
826 AliZDCChMap* AliZDC::GetChMap() const
829 // Getting calibration object for ZDC
831 AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/ChMap");
832 if(!entry) AliFatal("No calibration data loaded!");
834 AliZDCChMap *calibdata = dynamic_cast<AliZDCChMap*> (entry->GetObject());
835 if(!calibdata) AliFatal("Wrong calibration object in calibration file!");