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 Entering 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 pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
261 Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
262 for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
264 runLoader->GetEvent(iEvent);
265 TTree* treeH = fLoader->TreeH();
266 Int_t ntracks = (Int_t) treeH->GetEntries();
271 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
272 treeH->GetEntry(itrack);
273 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
274 zdcHit = (AliZDCHit*)NextHit()) {
276 sector[0] = zdcHit->GetVolume(0);
277 sector[1] = zdcHit->GetVolume(1);
278 if((sector[1] < 1) || (sector[1] > 5)) {
279 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
280 sector[0], sector[1]);
283 Float_t lightQ = zdcHit->GetLightPMQ();
284 Float_t lightC = zdcHit->GetLightPMC();
286 if(sector[0] == 1) { //ZNC
288 pmQZNC[sector[1]-1] += lightQ;
290 else if(sector[0] == 2) { //ZPC
292 pmQZPC[sector[1]-1] += lightQ;
294 else if(sector[0] == 3) { //ZEM
295 if(sector[1] == 1) pmZEM1 += lightC;
296 else pmZEM2 += lightQ;
298 if(sector[0] == 4) { //ZNA
300 pmQZNA[sector[1]-1] += lightQ;
302 else if(sector[0] == 5) { //ZPA
304 pmQZPA[sector[1]-1] += lightQ;
309 // create the output tree
310 fLoader->MakeTree("S");
311 TTree* treeS = fLoader->TreeS();
312 const Int_t kBufferSize = 4000;
313 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
315 // Create sdigits for ZNC
316 sector[0] = 1; // Detector = ZNC
317 sector[1] = 0; // Common PM ADC
318 new(psdigit) AliZDCSDigit(sector, pmCZNC);
319 if(pmCZNC > 0) treeS->Fill();
320 for(Int_t j = 0; j < 4; j++) {
321 sector[1] = j+1; // Towers PM ADCs
322 new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
323 if(pmQZNC[j] > 0) treeS->Fill();
326 // Create sdigits for ZPC
327 sector[0] = 2; // Detector = ZPC
328 sector[1] = 0; // Common PM ADC
329 new(psdigit) AliZDCSDigit(sector, pmCZPC);
330 if(pmCZPC > 0) treeS->Fill();
331 for(Int_t j = 0; j < 4; j++) {
332 sector[1] = j+1; // Towers PM ADCs
333 new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
334 if(pmQZPC[j] > 0) treeS->Fill();
337 // Create sdigits for ZEM
339 sector[1] = 1; // Detector = ZEM1
340 new(psdigit) AliZDCSDigit(sector, pmZEM1);
341 if(pmZEM1 > 0) treeS->Fill();
342 sector[1] = 2; // Detector = ZEM2
343 new(psdigit) AliZDCSDigit(sector, pmZEM2);
344 if(pmZEM2 > 0) treeS->Fill();
346 // Create sdigits for ZNA
347 sector[0] = 4; // Detector = ZNA
348 sector[1] = 0; // Common PM ADC
349 new(psdigit) AliZDCSDigit(sector, pmCZNA);
350 if(pmCZNA > 0) treeS->Fill();
351 for(Int_t j = 0; j < 4; j++) {
352 sector[1] = j+1; // Towers PM ADCs
353 new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
354 if(pmQZNA[j] > 0) treeS->Fill();
357 // Create sdigits for ZPA
358 sector[0] = 5; // Detector = ZPA
359 sector[1] = 0; // Common PM ADC
360 new(psdigit) AliZDCSDigit(sector, pmCZPA);
361 if(pmCZPA > 0) treeS->Fill();
362 for(Int_t j = 0; j < 4; j++) {
363 sector[1] = j+1; // Towers PM ADCs
364 new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
365 if(pmQZPA[j] > 0) treeS->Fill();
368 // write the output tree
369 fLoader->WriteSDigits("OVERWRITE");
372 fLoader->UnloadHits();
373 fLoader->UnloadSDigits();
376 //_____________________________________________________________________________
377 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
379 // Create the digitizer for ZDC
381 return new AliZDCDigitizer(manager);
384 //_____________________________________________________________________________
385 void AliZDC::Digits2Raw()
387 // Convert ZDC digits to raw data
389 // 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
390 // + 24 int values for the corresponding out of time channels
391 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
392 // 12 channels x 2 gain chains read from 1st ADC module
393 // 12 channels x 2 gain chains read from 2nd ADC module
394 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
395 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
397 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
400 UInt_t lADCData1[knADCData1];
401 UInt_t lADCData2[knADCData2];
402 UInt_t lADCData3[knADCData1];
403 UInt_t lADCData4[knADCData2];
408 fLoader->LoadDigits("read");
410 AliZDCDigit* pdigit = &digit;
411 TTree* treeD = fLoader->TreeD();
413 treeD->SetBranchAddress("ZDC", &pdigit);
414 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
418 UInt_t lADCHeaderGEO = 0;
419 UInt_t lADCHeaderCRATE = 0;
420 UInt_t lADCHeaderCNT1 = knADCData1;
421 UInt_t lADCHeaderCNT2 = knADCData2;
423 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
424 lADCHeaderCNT1 << 8 ;
425 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
426 lADCHeaderCNT2 << 8 ;
429 UInt_t lADCDataGEO = lADCHeaderGEO;
431 UInt_t lADCDataValue1[knADCData1];
432 UInt_t lADCDataValue2[knADCData2];
433 UInt_t lADCDataValue3[knADCData1];
434 UInt_t lADCDataValue4[knADCData2];
436 UInt_t lADCDataOvFlw1[knADCData1];
437 UInt_t lADCDataOvFlw2[knADCData2];
438 UInt_t lADCDataOvFlw3[knADCData1];
439 UInt_t lADCDataOvFlw4[knADCData2];
441 for(Int_t i=0; i<knADCData1 ; i++){
442 lADCDataValue1[i] = 0;
443 lADCDataOvFlw1[i] = 0;
444 lADCDataValue3[i] = 0;
445 lADCDataOvFlw3[i] = 0;
447 for(Int_t i=0; i<knADCData2 ; i++){
448 lADCDataValue2[i] = 0;
449 lADCDataOvFlw2[i] = 0;
450 lADCDataValue4[i] = 0;
451 lADCDataOvFlw4[i] = 0;
454 UInt_t lADCDataChannel = 0;
457 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
458 treeD->GetEntry(iDigit);
459 if(!pdigit) continue;
464 if(digit.GetSector(1)!=5){ // ZDC signal channels
465 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
466 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
467 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
468 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
469 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
471 else if(digit.GetSector(0)==3){ // ZEM 1,2
472 index = 20 + (digit.GetSector(1)-1);
473 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
476 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
477 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
478 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
481 if(iDigit<knADCData1){ // *** In-time signals
482 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
483 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
484 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
485 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
487 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
488 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
489 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
490 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
492 else{ // *** Out-of-time signals
493 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
494 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
495 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
496 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
498 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
499 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
500 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
501 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
504 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
505 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
506 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
507 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
509 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
510 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
511 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
514 if(iDigit<knADCData2){ // *** In-time signals
515 lADCDataValue2[index] = digit.GetADCValue(0);
516 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
517 lADCDataValue2[index+2] = digit.GetADCValue(1);
518 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
520 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
521 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
522 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
523 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
525 else{ // *** Out-of-time signals
526 lADCDataValue4[index] = digit.GetADCValue(0);
527 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
528 lADCDataValue4[index+2] = digit.GetADCValue(1);
529 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
531 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
532 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
533 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
534 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
538 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
539 else if(digit.GetSector(1)==5){
540 index = 20 + (digit.GetSector(0)-1)/3;
541 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
543 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
544 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
545 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
548 if(iDigit<knADCData2){ // *** In-time signals
549 lADCDataValue2[index] = digit.GetADCValue(0);
550 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
551 lADCDataValue2[index+2] = digit.GetADCValue(1);
552 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
554 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
555 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
556 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
557 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
559 else{ // *** Out-of-time signals
560 lADCDataValue4[index] = digit.GetADCValue(0);
561 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
562 lADCDataValue4[index+2] = digit.GetADCValue(1);
563 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
565 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
566 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
567 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
568 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
572 if((index<0) || (index>23)) {
573 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
574 digit.GetSector(0), digit.GetSector(1));
582 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
583 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
584 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
585 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
589 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
590 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
592 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
593 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
596 // open the output file
598 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
600 AliFstream* file = new AliFstream(fileName);
602 // write the DDL data header
603 AliRawDataHeaderSim header;
604 header.fSize = sizeof(header) +
605 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
606 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
607 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
608 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
610 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
611 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
612 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
613 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
616 header.SetAttribute(0); // valid data
617 file->WriteBuffer((char*)(&header), sizeof(header));
619 // write the raw data and close the file
620 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
621 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
622 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
623 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
624 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
625 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
626 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
627 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
628 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
629 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
630 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
631 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
635 fLoader->UnloadDigits();
638 //_____________________________________________________________________________
639 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
641 // Convert ZDC raw data to Sdigits
643 AliLoader* loader = (AliRunLoader::GetRunLoader())->GetLoader("ZDCLoader");
645 AliError("no ZDC loader found");
651 while(rawReader->NextEvent()){
652 (AliRunLoader::GetRunLoader())->GetEvent(iEvent++);
653 // Create the output digit tree
654 TTree* treeS = loader->TreeS();
656 loader->MakeTree("S");
657 treeS = loader->TreeS();
661 AliZDCSDigit* psdigit = &sdigit;
662 const Int_t kBufferSize = 4000;
663 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
665 AliZDCRawStream rawStream(rawReader);
666 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
668 while(rawStream.Next()){
669 if(rawStream.IsADCDataWord()){
670 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
672 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
673 rawADC = rawStream.GetADCValue();
674 resADC = rawStream.GetADCGain();
675 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
676 // jcount, sector[0], sector[1], rawADC);
678 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
679 if(corrADC<0) corrADC=0;
680 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
682 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
683 // sector[0], sector[1], nPheVal);
685 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
691 // write the output tree
692 fLoader->WriteSDigits("OVERWRITE");
693 fLoader->UnloadSDigits();
699 //_____________________________________________________________________________
700 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
702 // Returns a pedestal for detector det, PM quad, channel with res.
704 // Getting calibration object for ZDC set
705 AliCDBManager *man = AliCDBManager::Instance();
706 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
707 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
710 printf("\t No calibration object found for ZDC!");
714 Int_t index=0, kNch=24;
716 if(Det==1) index = Quad+kNch*Res; // ZN1
717 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
718 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
719 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
720 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
722 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
725 Float_t meanPed = calibPed->GetMeanPed(index);
726 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
727 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
729 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
733 return (Int_t) pedValue;
737 //_____________________________________________________________________________
738 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
740 // Evaluation of the no. of phe produced
741 Float_t pmGain[6][5];
743 for(Int_t j = 0; j < 5; j++){
744 pmGain[0][j] = 50000.;
745 pmGain[1][j] = 100000.;
746 pmGain[2][j] = 100000.;
747 pmGain[3][j] = 50000.;
748 pmGain[4][j] = 100000.;
749 pmGain[5][j] = 100000.;
752 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
753 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
755 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
757 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
762 //______________________________________________________________________
763 void AliZDC::SetTreeAddress(){
765 // Set branch address for the Trees.
766 if(fLoader->TreeH() && (fHits == 0x0))
767 fHits = new TClonesArray("AliZDCHit",1000);
769 AliDetector::SetTreeAddress();