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=24, knADCData2=24; // In principle the 2 numbers can be different!
439 UInt_t lADCData1[knADCData1];
440 UInt_t lADCData2[knADCData2];
441 UInt_t lADCData3[knADCData1];
442 UInt_t lADCData4[knADCData2];
447 fLoader->LoadDigits("read");
449 AliZDCDigit* pdigit = &digit;
450 TTree* treeD = fLoader->TreeD();
452 treeD->SetBranchAddress("ZDC", &pdigit);
453 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
457 UInt_t lADCHeaderGEO = 0;
458 UInt_t lADCHeaderCRATE = 0;
459 UInt_t lADCHeaderCNT1 = knADCData1;
460 UInt_t lADCHeaderCNT2 = knADCData2;
462 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
463 lADCHeaderCNT1 << 8 ;
464 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
465 lADCHeaderCNT2 << 8 ;
468 UInt_t lADCDataGEO = lADCHeaderGEO;
470 UInt_t lADCDataValue1[knADCData1];
471 UInt_t lADCDataValue2[knADCData2];
472 UInt_t lADCDataValue3[knADCData1];
473 UInt_t lADCDataValue4[knADCData2];
475 UInt_t lADCDataOvFlw1[knADCData1];
476 UInt_t lADCDataOvFlw2[knADCData2];
477 UInt_t lADCDataOvFlw3[knADCData1];
478 UInt_t lADCDataOvFlw4[knADCData2];
480 for(Int_t i=0; i<knADCData1 ; i++){
481 lADCDataValue1[i] = 0;
482 lADCDataOvFlw1[i] = 0;
483 lADCDataValue3[i] = 0;
484 lADCDataOvFlw3[i] = 0;
486 for(Int_t i=0; i<knADCData2 ; i++){
487 lADCDataValue2[i] = 0;
488 lADCDataOvFlw2[i] = 0;
489 lADCDataValue4[i] = 0;
490 lADCDataOvFlw4[i] = 0;
493 UInt_t lADCDataChannel = 0;
496 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
497 treeD->GetEntry(iDigit);
498 if(!pdigit) continue;
503 if(digit.GetSector(1)!=5){ // ZDC signal channels
504 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
505 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
506 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
507 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
508 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
510 else if(digit.GetSector(0)==3){ // ZEM 1,2
511 index = 20 + (digit.GetSector(1)-1);
512 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
515 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
516 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
517 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
520 if(iDigit<knADCData1){ // *** In-time signals
521 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
522 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
523 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
524 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
526 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
527 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
528 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
529 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
531 else{ // *** Out-of-time signals
532 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
533 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
534 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
535 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
537 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
538 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
539 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
540 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
543 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
544 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
545 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
546 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
548 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
549 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
550 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
553 if(iDigit<knADCData2){ // *** In-time signals
554 lADCDataValue2[index] = digit.GetADCValue(0);
555 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
556 lADCDataValue2[index+2] = digit.GetADCValue(1);
557 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
559 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
560 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
561 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
562 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
564 else{ // *** Out-of-time signals
565 lADCDataValue4[index] = digit.GetADCValue(0);
566 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
567 lADCDataValue4[index+2] = digit.GetADCValue(1);
568 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
570 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
571 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
572 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
573 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
577 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
578 else if(digit.GetSector(1)==5){
579 index = 20 + (digit.GetSector(0)-1)/3;
580 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
582 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
583 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
584 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
587 if(iDigit<knADCData2){ // *** In-time signals
588 lADCDataValue2[index] = digit.GetADCValue(0);
589 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
590 lADCDataValue2[index+2] = digit.GetADCValue(1);
591 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
593 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
594 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
595 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
596 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
598 else{ // *** Out-of-time signals
599 lADCDataValue4[index] = digit.GetADCValue(0);
600 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
601 lADCDataValue4[index+2] = digit.GetADCValue(1);
602 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
604 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
605 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
606 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
607 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
611 if((index<0) || (index>23)) {
612 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
613 digit.GetSector(0), digit.GetSector(1));
619 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
620 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
621 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
622 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
626 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
627 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
629 AliRunLoader* runLoader = fLoader->GetRunLoader();
630 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
632 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
633 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
635 // open the output file
637 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
639 AliFstream* file = new AliFstream(fileName);
641 // write the DDL data header
642 AliRawDataHeaderSim header;
643 header.fSize = sizeof(header) +
644 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
645 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
646 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
647 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
649 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
650 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
651 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
652 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
655 header.SetAttribute(0); // valid data
656 file->WriteBuffer((char*)(&header), sizeof(header));
658 // write the raw data and close the file
659 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
660 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
661 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
662 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
663 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
664 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
665 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
666 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
667 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
668 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
669 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
670 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
674 fLoader->UnloadDigits();
677 //_____________________________________________________________________________
678 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
680 // Convert ZDC raw data to Sdigits
682 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
684 AliError("no ZDC loader found");
690 while(rawReader->NextEvent()){
691 (AliRunLoader::Instance())->GetEvent(iEvent++);
692 // Create the output digit tree
693 TTree* treeS = loader->TreeS();
695 loader->MakeTree("S");
696 treeS = loader->TreeS();
700 AliZDCSDigit* psdigit = &sdigit;
701 const Int_t kBufferSize = 4000;
702 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
704 AliZDCRawStream rawStream(rawReader);
705 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
707 while(rawStream.Next()){
708 if(rawStream.IsADCDataWord()){
709 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
711 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
712 rawADC = rawStream.GetADCValue();
713 resADC = rawStream.GetADCGain();
714 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
715 // jcount, sector[0], sector[1], rawADC);
717 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
718 if(corrADC<0) corrADC=0;
719 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
721 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
722 // sector[0], sector[1], nPheVal);
724 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
730 // write the output tree
731 fLoader->WriteSDigits("OVERWRITE");
732 fLoader->UnloadSDigits();
738 //_____________________________________________________________________________
739 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
741 // Returns a pedestal for detector det, PM quad, channel with res.
743 // Getting calibration object for ZDC set
744 AliCDBManager *man = AliCDBManager::Instance();
745 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
746 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
749 printf("\t No calibration object found for ZDC!");
753 Int_t index=0, kNch=24;
755 if(Det==1) index = Quad+kNch*Res; // ZN1
756 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
757 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
758 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
759 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
761 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
764 Float_t meanPed = calibPed->GetMeanPed(index);
765 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
766 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
768 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
772 return (Int_t) pedValue;
776 //_____________________________________________________________________________
777 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
779 // Evaluation of the no. of phe produced
780 Float_t pmGain[6][5];
782 for(Int_t j = 0; j < 5; j++){
783 pmGain[0][j] = 50000.;
784 pmGain[1][j] = 100000.;
785 pmGain[2][j] = 100000.;
786 pmGain[3][j] = 50000.;
787 pmGain[4][j] = 100000.;
788 pmGain[5][j] = 100000.;
791 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
792 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
794 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
796 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
801 //______________________________________________________________________
802 void AliZDC::SetTreeAddress(){
804 // Set branch address for the Trees.
805 if(fLoader->TreeH() && (fHits == 0x0))
806 fHits = new TClonesArray("AliZDCHit",1000);
808 AliDetector::SetTreeAddress();