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 "AliZDCEnCalib.h"
51 #include "AliZDCTowerCalib.h"
52 #include "AliFstream.h"
57 //_____________________________________________________________________________
68 // Default constructor for the Zero Degree Calorimeter base class
79 //_____________________________________________________________________________
80 AliZDC::AliZDC(const char *name, const char *title) :
81 AliDetector(name,title),
90 // Standard constructor for the Zero Degree Calorimeter base class
98 fHits = new TClonesArray("AliZDCHit",1000);
99 gAlice->GetMCApp()->AddHitList(fHits);
101 char sensname[5],senstitle[25];
102 sprintf(sensname,"ZDC");
103 sprintf(senstitle,"ZDC dummy");
104 SetName(sensname); SetTitle(senstitle);
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)
135 //_____________________________________________________________________________
136 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
138 // assignement operator
140 fNoShower = ZDC.fNoShower;
141 fPedCalib = ZDC.fPedCalib;
142 fEnCalibData = ZDC.fEnCalibData;
143 fTowCalibData = ZDC.fTowCalibData;
144 fZDCCalibFName = ZDC.fZDCCalibFName;
148 //_____________________________________________________________________________
149 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
152 // Add a ZDC hit to the hit list.
154 static Float_t trackTime=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
155 static Int_t pcPDGcode;
157 AliZDCHit *newquad, *curprimquad;
158 newquad = new AliZDCHit(fIshunt, track, vol, hits);
159 TClonesArray &lhits = *fHits;
162 // First hit -> setting flag for primary or secondary particle
163 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
165 if(track != primary){
166 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
168 else if(track == primary){
169 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
171 sFlag = newquad->GetSFlag();
172 primKinEn = newquad->GetPrimKinEn();
173 xImpact = newquad->GetXImpact();
174 yImpact = newquad->GetYImpact();
175 pcPDGcode = newquad->GetPDGCode();
176 trackTime = newquad->GetTrackTOF();
179 newquad->SetPrimKinEn(primKinEn);
180 newquad->SetXImpact(xImpact);
181 newquad->SetYImpact(yImpact);
182 newquad->SetSFlag(sFlag);
183 newquad->SetPDGCode(pcPDGcode);
184 newquad->SetTrackTOF(trackTime);
188 for(j=0; j<fNhits; j++){
189 // If hits are equal (same track, same volume), sum them.
190 curprimquad = (AliZDCHit*) lhits[j];
191 if(*curprimquad == *newquad){
192 *curprimquad = *curprimquad+*newquad;
194 //printf("\n\t Summing hits **************** \n", fNhits);
195 //curprimquad->Print("");
202 //Otherwise create a new hit
203 new(lhits[fNhits]) AliZDCHit(*newquad);
206 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
207 //newquad->Print("");
212 //____________________________________________________________________________
213 Float_t AliZDC::ZMin(void) const
215 // Minimum dimension of the ZDC module in z
219 //____________________________________________________________________________
220 Float_t AliZDC::ZMax(void) const
222 // Maximum dimension of the ZDC module in z
227 //_____________________________________________________________________________
228 void AliZDC::MakeBranch(Option_t *opt)
231 // Create Tree branches for the ZDC
235 sprintf(branchname,"%s",GetName());
237 const char *cH = strstr(opt,"H");
239 if(cH && fLoader->TreeH()) {
245 fHits = new TClonesArray("AliZDCHit",1000);
246 if (gAlice && gAlice->GetMCApp())
247 gAlice->GetMCApp()->AddHitList(fHits);
251 AliDetector::MakeBranch(opt);
254 //_____________________________________________________________________________
255 void AliZDC::Hits2SDigits()
257 // Create summable digits from hits
259 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
261 fLoader->LoadHits("read");
262 fLoader->LoadSDigits("recreate");
263 AliRunLoader* runLoader = fLoader->GetRunLoader();
265 AliZDCSDigit* psdigit = &sdigit;
268 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
269 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
270 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
272 runLoader->GetEvent(iEvent);
273 TTree* treeH = fLoader->TreeH();
274 Int_t ntracks = (Int_t) treeH->GetEntries();
278 Int_t sector[2]; Float_t trackTime = 0.;
279 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
280 treeH->GetEntry(itrack);
281 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
282 zdcHit = (AliZDCHit*)NextHit()) {
284 sector[0] = zdcHit->GetVolume(0);
285 sector[1] = zdcHit->GetVolume(1);
286 if((sector[1] < 1) || (sector[1]>5)) {
287 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
290 Float_t lightQ = zdcHit->GetLightPMQ();
291 Float_t lightC = zdcHit->GetLightPMC();
292 trackTime = zdcHit->GetTrackTOF();
293 // Signals from ZEM are delayed to arrive in time with ZDC signals
294 if(sector[0] == 3) trackTime += 320;
296 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
297 // sector[0], sector[1], trackTime, lightQ, lightC);
299 if(sector[0] == 1) { //ZNC
301 pmZNC[sector[1]] += lightQ;
303 else if(sector[0] == 2) { //ZPC
305 pmZPC[sector[1]] += lightQ;
307 else if(sector[0] == 3) { //ZEM
308 if(sector[1] == 1) pmZEM1 += lightC;
309 else pmZEM2 += lightQ;
311 if(sector[0] == 4) { //ZNA
313 pmZNA[sector[1]] += lightQ;
315 else if(sector[0] == 5) { //ZPA
317 pmZPA[sector[1]] += lightQ;
322 // create the output tree
323 fLoader->MakeTree("S");
324 TTree* treeS = fLoader->TreeS();
325 const Int_t kBufferSize = 4000;
326 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
328 // Create sdigits for ZNC
329 sector[0] = 1; // Detector = ZNC
330 for(Int_t j = 0; j < 5; j++) {
333 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
336 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
337 // sector[0], sector[1], j, pmZNC[j], trackTime);
341 // Create sdigits for ZPC
342 sector[0] = 2; // Detector = ZPC
343 for(Int_t j = 0; j < 5; j++) {
344 sector[1] = j; // Towers PM ADCs
346 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
349 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
350 // sector[0], sector[1], j, pmZPC[j], trackTime);
354 // Create sdigits for ZEM
356 sector[1] = 1; // Detector = ZEM1
358 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
361 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
362 // sector[0], sector[1], pmZEM1, trackTime);
364 sector[1] = 2; // Detector = ZEM2
366 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
369 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
370 // sector[0], sector[1], pmZEM2, trackTime);
373 // Create sdigits for ZNA
374 sector[0] = 4; // Detector = ZNA
375 for(Int_t j = 0; j < 5; j++) {
376 sector[1] = j; // Towers PM ADCs
378 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
381 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
382 // sector[0], sector[1], j, pmZNA[j], trackTime);
386 // Create sdigits for ZPA
387 sector[0] = 5; // Detector = ZPA
388 sector[1] = 0; // Common PM ADC
389 for(Int_t j = 0; j < 5; j++) {
390 sector[1] = j; // Towers PM ADCs
392 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
395 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
396 // sector[0], sector[1], j, pmZPA[j], trackTime);
400 // write the output tree
401 fLoader->WriteSDigits("OVERWRITE");
404 fLoader->UnloadHits();
405 fLoader->UnloadSDigits();
408 //_____________________________________________________________________________
409 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
411 // Create the digitizer for ZDC
412 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(manager);
413 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
414 //printf("\n**************************ZDC digitizer created with Spectators2Track = %d\n\n", fSpectatorTracked);
418 //_____________________________________________________________________________
419 void AliZDC::Digits2Raw()
421 // Convert ZDC digits to raw data
423 // 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
424 // + 24 int values for the corresponding out of time channels
425 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
426 // 12 channels x 2 gain chains read from 1st ADC module
427 // 12 channels x 2 gain chains read from 2nd ADC module
428 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
429 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
431 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
434 UInt_t lADCData1[knADCData1];
435 UInt_t lADCData2[knADCData2];
436 UInt_t lADCData3[knADCData1];
437 UInt_t lADCData4[knADCData2];
442 fLoader->LoadDigits("read");
444 AliZDCDigit* pdigit = &digit;
445 TTree* treeD = fLoader->TreeD();
447 treeD->SetBranchAddress("ZDC", &pdigit);
448 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
452 UInt_t lADCHeaderGEO = 0;
453 UInt_t lADCHeaderCRATE = 0;
454 UInt_t lADCHeaderCNT1 = knADCData1;
455 UInt_t lADCHeaderCNT2 = knADCData2;
457 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
458 lADCHeaderCNT1 << 8 ;
459 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
460 lADCHeaderCNT2 << 8 ;
463 UInt_t lADCDataGEO = lADCHeaderGEO;
465 UInt_t lADCDataValue1[knADCData1];
466 UInt_t lADCDataValue2[knADCData2];
467 UInt_t lADCDataValue3[knADCData1];
468 UInt_t lADCDataValue4[knADCData2];
470 UInt_t lADCDataOvFlw1[knADCData1];
471 UInt_t lADCDataOvFlw2[knADCData2];
472 UInt_t lADCDataOvFlw3[knADCData1];
473 UInt_t lADCDataOvFlw4[knADCData2];
475 for(Int_t i=0; i<knADCData1 ; i++){
476 lADCDataValue1[i] = 0;
477 lADCDataOvFlw1[i] = 0;
478 lADCDataValue3[i] = 0;
479 lADCDataOvFlw3[i] = 0;
481 for(Int_t i=0; i<knADCData2 ; i++){
482 lADCDataValue2[i] = 0;
483 lADCDataOvFlw2[i] = 0;
484 lADCDataValue4[i] = 0;
485 lADCDataOvFlw4[i] = 0;
488 UInt_t lADCDataChannel = 0;
491 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
492 treeD->GetEntry(iDigit);
493 if(!pdigit) continue;
498 if(digit.GetSector(1)!=5){ // ZDC signal channels
499 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
500 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
501 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
502 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
503 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
505 else if(digit.GetSector(0)==3){ // ZEM 1,2
506 index = 20 + (digit.GetSector(1)-1);
507 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
510 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
511 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
512 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
515 if(iDigit<knADCData1){ // *** In-time signals
516 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
517 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
518 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
519 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
521 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
522 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
523 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
524 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
526 else{ // *** Out-of-time signals
527 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
528 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
529 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
530 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
532 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
533 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
534 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
535 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
538 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
539 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
540 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
541 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
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 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
573 else if(digit.GetSector(1)==5){
574 index = 20 + (digit.GetSector(0)-1)/3;
575 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
577 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
578 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
579 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
582 if(iDigit<knADCData2){ // *** In-time signals
583 lADCDataValue2[index] = digit.GetADCValue(0);
584 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
585 lADCDataValue2[index+2] = digit.GetADCValue(1);
586 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
588 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
589 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
590 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
591 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
593 else{ // *** Out-of-time signals
594 lADCDataValue4[index] = digit.GetADCValue(0);
595 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
596 lADCDataValue4[index+2] = digit.GetADCValue(1);
597 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
599 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
600 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
601 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
602 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
606 if((index<0) || (index>23)) {
607 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
608 digit.GetSector(0), digit.GetSector(1));
614 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
615 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
616 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
617 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
621 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
622 // Event counter in ADC EOB -> getting no. of events in run from AliRunLoader
624 AliRunLoader* runLoader = fLoader->GetRunLoader();
625 UInt_t lADCEndBlockEvCount = runLoader->GetEventNumber();
627 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
628 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
630 // open the output file
632 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
634 AliFstream* file = new AliFstream(fileName);
636 // write the DDL data header
637 AliRawDataHeaderSim header;
638 header.fSize = sizeof(header) +
639 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
640 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
641 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
642 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
644 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
645 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
646 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
647 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
650 header.SetAttribute(0); // valid data
651 file->WriteBuffer((char*)(&header), sizeof(header));
653 // write the raw data and close the file
654 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
655 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
656 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
657 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
658 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
659 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
660 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
661 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
662 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
663 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
664 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
665 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
669 fLoader->UnloadDigits();
672 //_____________________________________________________________________________
673 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
675 // Convert ZDC raw data to Sdigits
677 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
679 AliError("no ZDC loader found");
685 while(rawReader->NextEvent()){
686 (AliRunLoader::Instance())->GetEvent(iEvent++);
687 // Create the output digit tree
688 TTree* treeS = loader->TreeS();
690 loader->MakeTree("S");
691 treeS = loader->TreeS();
695 AliZDCSDigit* psdigit = &sdigit;
696 const Int_t kBufferSize = 4000;
697 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
699 AliZDCRawStream rawStream(rawReader);
700 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
702 while(rawStream.Next()){
703 if(rawStream.IsADCDataWord()){
704 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
706 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
707 rawADC = rawStream.GetADCValue();
708 resADC = rawStream.GetADCGain();
709 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
710 // jcount, sector[0], sector[1], rawADC);
712 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
713 if(corrADC<0) corrADC=0;
714 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
716 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
717 // sector[0], sector[1], nPheVal);
719 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
725 // write the output tree
726 fLoader->WriteSDigits("OVERWRITE");
727 fLoader->UnloadSDigits();
733 //_____________________________________________________________________________
734 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
736 // Returns a pedestal for detector det, PM quad, channel with res.
738 // Getting calibration object for ZDC set
739 AliCDBManager *man = AliCDBManager::Instance();
740 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
741 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
744 printf("\t No calibration object found for ZDC!");
748 Int_t index=0, kNch=24;
750 if(Det==1) index = Quad+kNch*Res; // ZN1
751 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
752 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
753 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
754 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
756 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
759 Float_t meanPed = calibPed->GetMeanPed(index);
760 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
761 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
763 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
767 return (Int_t) pedValue;
771 //_____________________________________________________________________________
772 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
774 // Evaluation of the no. of phe produced
775 Float_t pmGain[6][5];
777 for(Int_t j = 0; j < 5; j++){
778 pmGain[0][j] = 50000.;
779 pmGain[1][j] = 100000.;
780 pmGain[2][j] = 100000.;
781 pmGain[3][j] = 50000.;
782 pmGain[4][j] = 100000.;
783 pmGain[5][j] = 100000.;
786 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
787 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
789 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
791 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
796 //______________________________________________________________________
797 void AliZDC::SetTreeAddress(){
799 // Set branch address for the Trees.
800 if(fLoader->TreeH() && (fHits == 0x0))
801 fHits = new TClonesArray("AliZDCHit",1000);
803 AliDetector::SetTreeAddress();