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>
34 // --- AliRoot header files
35 #include "AliDetector.h"
36 #include "AliRawDataHeaderSim.h"
37 #include "AliRawReader.h"
38 #include "AliLoader.h"
44 #include "AliZDCHit.h"
45 #include "AliZDCSDigit.h"
46 #include "AliZDCDigit.h"
47 #include "AliZDCDigitizer.h"
48 #include "AliZDCRawStream.h"
49 #include "AliZDCPedestals.h"
50 #include "AliZDCCalib.h"
51 #include "AliFstream.h"
56 //_____________________________________________________________________________
65 // Default constructor for the Zero Degree Calorimeter base class
76 //_____________________________________________________________________________
77 AliZDC::AliZDC(const char *name, const char *title) :
78 AliDetector(name,title),
85 // Standard constructor for the Zero Degree Calorimeter base class
93 fHits = new TClonesArray("AliZDCHit",1000);
94 gAlice->GetMCApp()->AddHitList(fHits);
96 char sensname[5],senstitle[25];
97 sprintf(sensname,"ZDC");
98 sprintf(senstitle,"ZDC dummy");
99 SetName(sensname); SetTitle(senstitle);
103 //____________________________________________________________________________
116 //_____________________________________________________________________________
117 AliZDC::AliZDC(const AliZDC& ZDC) :
118 AliDetector("ZDC","ZDC"),
119 fNoShower(ZDC.fNoShower),
120 fPedCalib(ZDC.fPedCalib),
121 fCalibData(ZDC.fCalibData),
122 fZDCCalibFName(ZDC.fZDCCalibFName)
127 //_____________________________________________________________________________
128 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
130 // assignement operator
132 fNoShower = ZDC.fNoShower;
133 fPedCalib = ZDC.fPedCalib;
134 fCalibData = ZDC.fCalibData;
135 fZDCCalibFName = ZDC.fZDCCalibFName;
139 //_____________________________________________________________________________
140 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
143 // Add a ZDC hit to the hit list.
145 static Float_t trackTime=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
146 static Int_t pcPDGcode;
148 AliZDCHit *newquad, *curprimquad;
149 newquad = new AliZDCHit(fIshunt, track, vol, hits);
150 TClonesArray &lhits = *fHits;
153 // First hit -> setting flag for primary or secondary particle
154 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
156 if(track != primary){
157 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
159 else if(track == primary){
160 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
162 sFlag = newquad->GetSFlag();
163 primKinEn = newquad->GetPrimKinEn();
164 xImpact = newquad->GetXImpact();
165 yImpact = newquad->GetYImpact();
166 pcPDGcode = newquad->GetPDGCode();
167 trackTime = newquad->GetTrackTOF();
170 newquad->SetPrimKinEn(primKinEn);
171 newquad->SetXImpact(xImpact);
172 newquad->SetYImpact(yImpact);
173 newquad->SetSFlag(sFlag);
174 newquad->SetPDGCode(pcPDGcode);
175 newquad->SetTrackTOF(trackTime);
179 for(j=0; j<fNhits; j++){
180 // If hits are equal (same track, same volume), sum them.
181 curprimquad = (AliZDCHit*) lhits[j];
182 if(*curprimquad == *newquad){
183 *curprimquad = *curprimquad+*newquad;
185 //printf("\n\t Summing hits **************** \n", fNhits);
186 //curprimquad->Print("");
193 //Otherwise create a new hit
194 new(lhits[fNhits]) AliZDCHit(*newquad);
197 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
198 //newquad->Print("");
203 //____________________________________________________________________________
204 Float_t AliZDC::ZMin(void) const
206 // Minimum dimension of the ZDC module in z
210 //____________________________________________________________________________
211 Float_t AliZDC::ZMax(void) const
213 // Maximum dimension of the ZDC module in z
218 //_____________________________________________________________________________
219 void AliZDC::MakeBranch(Option_t *opt)
222 // Create Tree branches for the ZDC
226 sprintf(branchname,"%s",GetName());
228 const char *cH = strstr(opt,"H");
230 if(cH && fLoader->TreeH()) {
236 fHits = new TClonesArray("AliZDCHit",1000);
237 if (gAlice && gAlice->GetMCApp())
238 gAlice->GetMCApp()->AddHitList(fHits);
242 AliDetector::MakeBranch(opt);
245 //_____________________________________________________________________________
246 void AliZDC::Hits2SDigits()
248 // Create summable digits from hits
250 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
252 fLoader->LoadHits("read");
253 fLoader->LoadSDigits("recreate");
254 AliRunLoader* runLoader = fLoader->GetRunLoader();
256 AliZDCSDigit* psdigit = &sdigit;
259 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
260 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
261 for(Int_t i=0; i<4; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
263 runLoader->GetEvent(iEvent);
264 TTree* treeH = fLoader->TreeH();
265 Int_t ntracks = (Int_t) treeH->GetEntries();
269 Int_t sector[2]; Float_t trackTime;
270 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
271 treeH->GetEntry(itrack);
272 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
273 zdcHit = (AliZDCHit*)NextHit()) {
275 sector[0] = zdcHit->GetVolume(0);
276 sector[1] = zdcHit->GetVolume(1);
277 if((sector[1] < 1) || (sector[1]>5)) {
278 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
281 Float_t lightQ = zdcHit->GetLightPMQ();
282 Float_t lightC = zdcHit->GetLightPMC();
283 trackTime = zdcHit->GetTrackTOF();
285 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
286 // sector[0], sector[1], trackTime, lightQ, lightC);
288 if(sector[0] == 1) { //ZNC
290 pmZNC[sector[1]] += lightQ;
292 else if(sector[0] == 2) { //ZPC
294 pmZPC[sector[1]] += lightQ;
296 else if(sector[0] == 3) { //ZEM
297 if(sector[1] == 1) pmZEM1 += lightC;
298 else pmZEM2 += lightQ;
300 if(sector[0] == 4) { //ZNA
302 pmZNA[sector[1]] += lightQ;
304 else if(sector[0] == 5) { //ZPA
306 pmZPA[sector[1]] += lightQ;
311 // create the output tree
312 fLoader->MakeTree("S");
313 TTree* treeS = fLoader->TreeS();
314 const Int_t kBufferSize = 4000;
315 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
317 // Create sdigits for ZNC
318 sector[0] = 1; // Detector = ZNC
319 for(Int_t j = 0; j < 5; j++) {
322 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
325 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
326 // sector[0], sector[1], j, pmZNC[j], trackTime);
330 // Create sdigits for ZPC
331 sector[0] = 2; // Detector = ZPC
332 for(Int_t j = 0; j < 5; j++) {
333 sector[1] = j; // Towers PM ADCs
335 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
338 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
339 // sector[0], sector[1], j, pmZPC[j], trackTime);
343 // Create sdigits for ZEM
345 sector[1] = 1; // Detector = ZEM1
347 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
350 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
351 // sector[0], sector[1], pmZEM1, trackTime);
353 sector[1] = 2; // Detector = ZEM2
355 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
358 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
359 // sector[0], sector[1], pmZEM2, trackTime);
362 // Create sdigits for ZNA
363 sector[0] = 4; // Detector = ZNA
364 for(Int_t j = 0; j < 5; j++) {
365 sector[1] = j; // Towers PM ADCs
367 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
370 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
371 // sector[0], sector[1], j, pmZNA[j], trackTime);
375 // Create sdigits for ZPA
376 sector[0] = 5; // Detector = ZPA
377 sector[1] = 0; // Common PM ADC
378 for(Int_t j = 0; j < 5; j++) {
379 sector[1] = j; // Towers PM ADCs
381 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
384 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
385 // sector[0], sector[1], j, pmZPA[j], trackTime);
389 // write the output tree
390 fLoader->WriteSDigits("OVERWRITE");
393 fLoader->UnloadHits();
394 fLoader->UnloadSDigits();
397 //_____________________________________________________________________________
398 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
400 // Create the digitizer for ZDC
402 return new AliZDCDigitizer(manager);
405 //_____________________________________________________________________________
406 void AliZDC::Digits2Raw()
408 // Convert ZDC digits to raw data
410 // 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
411 // + 24 int values for the corresponding out of time channels
412 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
413 // 12 channels x 2 gain chains read from 1st ADC module
414 // 12 channels x 2 gain chains read from 2nd ADC module
415 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
416 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
418 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
421 UInt_t lADCData1[knADCData1];
422 UInt_t lADCData2[knADCData2];
423 UInt_t lADCData3[knADCData1];
424 UInt_t lADCData4[knADCData2];
429 fLoader->LoadDigits("read");
431 AliZDCDigit* pdigit = &digit;
432 TTree* treeD = fLoader->TreeD();
434 treeD->SetBranchAddress("ZDC", &pdigit);
435 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
439 UInt_t lADCHeaderGEO = 0;
440 UInt_t lADCHeaderCRATE = 0;
441 UInt_t lADCHeaderCNT1 = knADCData1;
442 UInt_t lADCHeaderCNT2 = knADCData2;
444 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
445 lADCHeaderCNT1 << 8 ;
446 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
447 lADCHeaderCNT2 << 8 ;
450 UInt_t lADCDataGEO = lADCHeaderGEO;
452 UInt_t lADCDataValue1[knADCData1];
453 UInt_t lADCDataValue2[knADCData2];
454 UInt_t lADCDataValue3[knADCData1];
455 UInt_t lADCDataValue4[knADCData2];
457 UInt_t lADCDataOvFlw1[knADCData1];
458 UInt_t lADCDataOvFlw2[knADCData2];
459 UInt_t lADCDataOvFlw3[knADCData1];
460 UInt_t lADCDataOvFlw4[knADCData2];
462 for(Int_t i=0; i<knADCData1 ; i++){
463 lADCDataValue1[i] = 0;
464 lADCDataOvFlw1[i] = 0;
465 lADCDataValue3[i] = 0;
466 lADCDataOvFlw3[i] = 0;
468 for(Int_t i=0; i<knADCData2 ; i++){
469 lADCDataValue2[i] = 0;
470 lADCDataOvFlw2[i] = 0;
471 lADCDataValue4[i] = 0;
472 lADCDataOvFlw4[i] = 0;
475 UInt_t lADCDataChannel = 0;
478 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
479 treeD->GetEntry(iDigit);
480 if(!pdigit) continue;
485 if(digit.GetSector(1)!=5){ // ZDC signal channels
486 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
487 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
488 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
489 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
490 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
492 else if(digit.GetSector(0)==3){ // ZEM 1,2
493 index = 20 + (digit.GetSector(1)-1);
494 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
497 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
498 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
499 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
502 if(iDigit<knADCData1){ // *** In-time signals
503 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
504 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
505 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
506 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
508 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
509 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
510 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
511 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
513 else{ // *** Out-of-time signals
514 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
515 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
516 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
517 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
519 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
520 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
521 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
522 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
525 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
526 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
527 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
528 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
530 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
531 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
532 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
535 if(iDigit<knADCData2){ // *** In-time signals
536 lADCDataValue2[index] = digit.GetADCValue(0);
537 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
538 lADCDataValue2[index+2] = digit.GetADCValue(1);
539 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
541 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
542 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
543 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
544 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
546 else{ // *** Out-of-time signals
547 lADCDataValue4[index] = digit.GetADCValue(0);
548 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
549 lADCDataValue4[index+2] = digit.GetADCValue(1);
550 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
552 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
553 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
554 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
555 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
559 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
560 else if(digit.GetSector(1)==5){
561 index = 20 + (digit.GetSector(0)-1)/3;
562 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
564 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
565 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
566 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
569 if(iDigit<knADCData2){ // *** In-time signals
570 lADCDataValue2[index] = digit.GetADCValue(0);
571 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
572 lADCDataValue2[index+2] = digit.GetADCValue(1);
573 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
575 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
576 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
577 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
578 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
580 else{ // *** Out-of-time signals
581 lADCDataValue4[index] = digit.GetADCValue(0);
582 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
583 lADCDataValue4[index+2] = digit.GetADCValue(1);
584 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
586 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
587 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
588 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
589 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
593 if((index<0) || (index>23)) {
594 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
595 digit.GetSector(0), digit.GetSector(1));
603 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
604 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
605 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
606 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
610 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
611 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
613 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
614 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
617 // open the output file
619 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
621 AliFstream* file = new AliFstream(fileName);
623 // write the DDL data header
624 AliRawDataHeaderSim header;
625 header.fSize = sizeof(header) +
626 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
627 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
628 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
629 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
631 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
632 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
633 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
634 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
637 header.SetAttribute(0); // valid data
638 file->WriteBuffer((char*)(&header), sizeof(header));
640 // write the raw data and close the file
641 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
642 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
643 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
644 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
645 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
646 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
647 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
648 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
649 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
650 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
651 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
652 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
656 fLoader->UnloadDigits();
659 //_____________________________________________________________________________
660 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
662 // Convert ZDC raw data to Sdigits
664 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
666 AliError("no ZDC loader found");
672 while(rawReader->NextEvent()){
673 (AliRunLoader::Instance())->GetEvent(iEvent++);
674 // Create the output digit tree
675 TTree* treeS = loader->TreeS();
677 loader->MakeTree("S");
678 treeS = loader->TreeS();
682 AliZDCSDigit* psdigit = &sdigit;
683 const Int_t kBufferSize = 4000;
684 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
686 AliZDCRawStream rawStream(rawReader);
687 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
689 while(rawStream.Next()){
690 if(rawStream.IsADCDataWord()){
691 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
693 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
694 rawADC = rawStream.GetADCValue();
695 resADC = rawStream.GetADCGain();
696 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
697 // jcount, sector[0], sector[1], rawADC);
699 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
700 if(corrADC<0) corrADC=0;
701 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
703 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
704 // sector[0], sector[1], nPheVal);
706 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
712 // write the output tree
713 fLoader->WriteSDigits("OVERWRITE");
714 fLoader->UnloadSDigits();
720 //_____________________________________________________________________________
721 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
723 // Returns a pedestal for detector det, PM quad, channel with res.
725 // Getting calibration object for ZDC set
726 AliCDBManager *man = AliCDBManager::Instance();
727 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
728 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
731 printf("\t No calibration object found for ZDC!");
735 Int_t index=0, kNch=24;
737 if(Det==1) index = Quad+kNch*Res; // ZN1
738 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
739 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
740 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
741 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
743 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
746 Float_t meanPed = calibPed->GetMeanPed(index);
747 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
748 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
750 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
754 return (Int_t) pedValue;
758 //_____________________________________________________________________________
759 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
761 // Evaluation of the no. of phe produced
762 Float_t pmGain[6][5];
764 for(Int_t j = 0; j < 5; j++){
765 pmGain[0][j] = 50000.;
766 pmGain[1][j] = 100000.;
767 pmGain[2][j] = 100000.;
768 pmGain[3][j] = 50000.;
769 pmGain[4][j] = 100000.;
770 pmGain[5][j] = 100000.;
773 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
774 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
776 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
778 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
783 //______________________________________________________________________
784 void AliZDC::SetTreeAddress(){
786 // Set branch address for the Trees.
787 if(fLoader->TreeH() && (fHits == 0x0))
788 fHits = new TClonesArray("AliZDCHit",1000);
790 AliDetector::SetTreeAddress();