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 //_____________________________________________________________________________
66 // Default constructor for the Zero Degree Calorimeter base class
77 //_____________________________________________________________________________
78 AliZDC::AliZDC(const char *name, const char *title) :
79 AliDetector(name,title),
87 // Standard constructor for the Zero Degree Calorimeter base class
95 fHits = new TClonesArray("AliZDCHit",1000);
96 gAlice->GetMCApp()->AddHitList(fHits);
98 char sensname[5],senstitle[25];
99 sprintf(sensname,"ZDC");
100 sprintf(senstitle,"ZDC dummy");
101 SetName(sensname); SetTitle(senstitle);
105 //____________________________________________________________________________
118 //_____________________________________________________________________________
119 AliZDC::AliZDC(const AliZDC& ZDC) :
120 AliDetector("ZDC","ZDC"),
121 fNoShower(ZDC.fNoShower),
122 fPedCalib(ZDC.fPedCalib),
123 fCalibData(ZDC.fCalibData),
124 fZDCCalibFName(ZDC.fZDCCalibFName),
125 fSpectatorTracked(ZDC.fSpectatorTracked)
130 //_____________________________________________________________________________
131 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
133 // assignement operator
135 fNoShower = ZDC.fNoShower;
136 fPedCalib = ZDC.fPedCalib;
137 fCalibData = ZDC.fCalibData;
138 fZDCCalibFName = ZDC.fZDCCalibFName;
142 //_____________________________________________________________________________
143 void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
146 // Add a ZDC hit to the hit list.
148 static Float_t trackTime=0., primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
149 static Int_t pcPDGcode;
151 AliZDCHit *newquad, *curprimquad;
152 newquad = new AliZDCHit(fIshunt, track, vol, hits);
153 TClonesArray &lhits = *fHits;
156 // First hit -> setting flag for primary or secondary particle
157 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
159 if(track != primary){
160 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
162 else if(track == primary){
163 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
165 sFlag = newquad->GetSFlag();
166 primKinEn = newquad->GetPrimKinEn();
167 xImpact = newquad->GetXImpact();
168 yImpact = newquad->GetYImpact();
169 pcPDGcode = newquad->GetPDGCode();
170 trackTime = newquad->GetTrackTOF();
173 newquad->SetPrimKinEn(primKinEn);
174 newquad->SetXImpact(xImpact);
175 newquad->SetYImpact(yImpact);
176 newquad->SetSFlag(sFlag);
177 newquad->SetPDGCode(pcPDGcode);
178 newquad->SetTrackTOF(trackTime);
182 for(j=0; j<fNhits; j++){
183 // If hits are equal (same track, same volume), sum them.
184 curprimquad = (AliZDCHit*) lhits[j];
185 if(*curprimquad == *newquad){
186 *curprimquad = *curprimquad+*newquad;
188 //printf("\n\t Summing hits **************** \n", fNhits);
189 //curprimquad->Print("");
196 //Otherwise create a new hit
197 new(lhits[fNhits]) AliZDCHit(*newquad);
200 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
201 //newquad->Print("");
206 //____________________________________________________________________________
207 Float_t AliZDC::ZMin(void) const
209 // Minimum dimension of the ZDC module in z
213 //____________________________________________________________________________
214 Float_t AliZDC::ZMax(void) const
216 // Maximum dimension of the ZDC module in z
221 //_____________________________________________________________________________
222 void AliZDC::MakeBranch(Option_t *opt)
225 // Create Tree branches for the ZDC
229 sprintf(branchname,"%s",GetName());
231 const char *cH = strstr(opt,"H");
233 if(cH && fLoader->TreeH()) {
239 fHits = new TClonesArray("AliZDCHit",1000);
240 if (gAlice && gAlice->GetMCApp())
241 gAlice->GetMCApp()->AddHitList(fHits);
245 AliDetector::MakeBranch(opt);
248 //_____________________________________________________________________________
249 void AliZDC::Hits2SDigits()
251 // Create summable digits from hits
253 AliDebug(1,"\n AliZDC::Hits2SDigits() ");
255 fLoader->LoadHits("read");
256 fLoader->LoadSDigits("recreate");
257 AliRunLoader* runLoader = fLoader->GetRunLoader();
259 AliZDCSDigit* psdigit = &sdigit;
262 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
263 Float_t pmZNC[5], pmZPC[5], pmZNA[5], pmZPA[5], pmZEM1=0., pmZEM2=0.;
264 for(Int_t i=0; i<5; i++) pmZNC[i] = pmZPC[i] = pmZNA[i] = pmZPA[i] = 0;
266 runLoader->GetEvent(iEvent);
267 TTree* treeH = fLoader->TreeH();
268 Int_t ntracks = (Int_t) treeH->GetEntries();
272 Int_t sector[2]; Float_t trackTime = 0.;
273 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
274 treeH->GetEntry(itrack);
275 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
276 zdcHit = (AliZDCHit*)NextHit()) {
278 sector[0] = zdcHit->GetVolume(0);
279 sector[1] = zdcHit->GetVolume(1);
280 if((sector[1] < 1) || (sector[1]>5)) {
281 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d", sector[0], sector[1]);
284 Float_t lightQ = zdcHit->GetLightPMQ();
285 Float_t lightC = zdcHit->GetLightPMC();
286 trackTime = zdcHit->GetTrackTOF();
287 // Signals from ZEM are delayed to arrive in time with ZDC signals
288 if(sector[0] == 3) trackTime += 320;
290 //printf("\t det %d vol %d trackTOF %f lightQ %1.0f lightC %1.0f\n",
291 // sector[0], sector[1], trackTime, lightQ, lightC);
293 if(sector[0] == 1) { //ZNC
295 pmZNC[sector[1]] += lightQ;
297 else if(sector[0] == 2) { //ZPC
299 pmZPC[sector[1]] += lightQ;
301 else if(sector[0] == 3) { //ZEM
302 if(sector[1] == 1) pmZEM1 += lightC;
303 else pmZEM2 += lightQ;
305 if(sector[0] == 4) { //ZNA
307 pmZNA[sector[1]] += lightQ;
309 else if(sector[0] == 5) { //ZPA
311 pmZPA[sector[1]] += lightQ;
316 // create the output tree
317 fLoader->MakeTree("S");
318 TTree* treeS = fLoader->TreeS();
319 const Int_t kBufferSize = 4000;
320 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
322 // Create sdigits for ZNC
323 sector[0] = 1; // Detector = ZNC
324 for(Int_t j = 0; j < 5; j++) {
327 new(psdigit) AliZDCSDigit(sector, pmZNC[j], trackTime);
330 //printf("\t SDigit created: det %d quad %d pmZNC[%d] %1.0f trackTOF %f\n",
331 // sector[0], sector[1], j, pmZNC[j], trackTime);
335 // Create sdigits for ZPC
336 sector[0] = 2; // Detector = ZPC
337 for(Int_t j = 0; j < 5; j++) {
338 sector[1] = j; // Towers PM ADCs
340 new(psdigit) AliZDCSDigit(sector, pmZPC[j], trackTime);
343 //printf("\t SDigit created: det %d quad %d pmZPC[%d] %1.0f trackTOF %f\n",
344 // sector[0], sector[1], j, pmZPC[j], trackTime);
348 // Create sdigits for ZEM
350 sector[1] = 1; // Detector = ZEM1
352 new(psdigit) AliZDCSDigit(sector, pmZEM1, trackTime);
355 //printf("\t SDigit created: det %d quad %d pmZEM1 %1.0f trackTOF %f\n",
356 // sector[0], sector[1], pmZEM1, trackTime);
358 sector[1] = 2; // Detector = ZEM2
360 new(psdigit) AliZDCSDigit(sector, pmZEM2, trackTime);
363 //printf("\t SDigit created: det %d quad %d pmZEM2 %1.0f trackTOF %f\n",
364 // sector[0], sector[1], pmZEM2, trackTime);
367 // Create sdigits for ZNA
368 sector[0] = 4; // Detector = ZNA
369 for(Int_t j = 0; j < 5; j++) {
370 sector[1] = j; // Towers PM ADCs
372 new(psdigit) AliZDCSDigit(sector, pmZNA[j], trackTime);
375 //printf("\t SDigit created: det %d quad %d pmZNA[%d] %1.0f trackTOF %f\n",
376 // sector[0], sector[1], j, pmZNA[j], trackTime);
380 // Create sdigits for ZPA
381 sector[0] = 5; // Detector = ZPA
382 sector[1] = 0; // Common PM ADC
383 for(Int_t j = 0; j < 5; j++) {
384 sector[1] = j; // Towers PM ADCs
386 new(psdigit) AliZDCSDigit(sector, pmZPA[j], trackTime);
389 //printf("\t SDigit created: det %d quad %d pmZPA[%d] %1.0f trackTOF %f\n",
390 // sector[0], sector[1], j, pmZPA[j], trackTime);
394 // write the output tree
395 fLoader->WriteSDigits("OVERWRITE");
398 fLoader->UnloadHits();
399 fLoader->UnloadSDigits();
402 //_____________________________________________________________________________
403 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
405 // Create the digitizer for ZDC
406 AliZDCDigitizer *zdcDigitizer = new AliZDCDigitizer(manager);
407 if(fSpectatorTracked==0) zdcDigitizer->SetSpectators2Track();
408 //printf("\n**************************ZDC digitizer created with Spectators2Track = %d\n\n", fSpectatorTracked);
412 //_____________________________________________________________________________
413 void AliZDC::Digits2Raw()
415 // Convert ZDC digits to raw data
417 // 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
418 // + 24 int values for the corresponding out of time channels
419 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
420 // 12 channels x 2 gain chains read from 1st ADC module
421 // 12 channels x 2 gain chains read from 2nd ADC module
422 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
423 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
425 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
428 UInt_t lADCData1[knADCData1];
429 UInt_t lADCData2[knADCData2];
430 UInt_t lADCData3[knADCData1];
431 UInt_t lADCData4[knADCData2];
436 fLoader->LoadDigits("read");
438 AliZDCDigit* pdigit = &digit;
439 TTree* treeD = fLoader->TreeD();
441 treeD->SetBranchAddress("ZDC", &pdigit);
442 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
446 UInt_t lADCHeaderGEO = 0;
447 UInt_t lADCHeaderCRATE = 0;
448 UInt_t lADCHeaderCNT1 = knADCData1;
449 UInt_t lADCHeaderCNT2 = knADCData2;
451 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
452 lADCHeaderCNT1 << 8 ;
453 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
454 lADCHeaderCNT2 << 8 ;
457 UInt_t lADCDataGEO = lADCHeaderGEO;
459 UInt_t lADCDataValue1[knADCData1];
460 UInt_t lADCDataValue2[knADCData2];
461 UInt_t lADCDataValue3[knADCData1];
462 UInt_t lADCDataValue4[knADCData2];
464 UInt_t lADCDataOvFlw1[knADCData1];
465 UInt_t lADCDataOvFlw2[knADCData2];
466 UInt_t lADCDataOvFlw3[knADCData1];
467 UInt_t lADCDataOvFlw4[knADCData2];
469 for(Int_t i=0; i<knADCData1 ; i++){
470 lADCDataValue1[i] = 0;
471 lADCDataOvFlw1[i] = 0;
472 lADCDataValue3[i] = 0;
473 lADCDataOvFlw3[i] = 0;
475 for(Int_t i=0; i<knADCData2 ; i++){
476 lADCDataValue2[i] = 0;
477 lADCDataOvFlw2[i] = 0;
478 lADCDataValue4[i] = 0;
479 lADCDataOvFlw4[i] = 0;
482 UInt_t lADCDataChannel = 0;
485 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
486 treeD->GetEntry(iDigit);
487 if(!pdigit) continue;
492 if(digit.GetSector(1)!=5){ // ZDC signal channels
493 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
494 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
495 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
496 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
497 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
499 else if(digit.GetSector(0)==3){ // ZEM 1,2
500 index = 20 + (digit.GetSector(1)-1);
501 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
504 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
505 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
506 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
509 if(iDigit<knADCData1){ // *** In-time signals
510 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
511 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
512 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
513 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
515 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
516 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
517 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
518 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
520 else{ // *** Out-of-time signals
521 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
522 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
523 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
524 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
526 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
527 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
528 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
529 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
532 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
533 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
534 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
535 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
537 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
538 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
539 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
542 if(iDigit<knADCData2){ // *** In-time signals
543 lADCDataValue2[index] = digit.GetADCValue(0);
544 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
545 lADCDataValue2[index+2] = digit.GetADCValue(1);
546 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
548 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
549 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
550 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
551 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
553 else{ // *** Out-of-time signals
554 lADCDataValue4[index] = digit.GetADCValue(0);
555 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
556 lADCDataValue4[index+2] = digit.GetADCValue(1);
557 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
559 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
560 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
561 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
562 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
566 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
567 else if(digit.GetSector(1)==5){
568 index = 20 + (digit.GetSector(0)-1)/3;
569 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
571 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
572 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
573 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
576 if(iDigit<knADCData2){ // *** In-time signals
577 lADCDataValue2[index] = digit.GetADCValue(0);
578 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
579 lADCDataValue2[index+2] = digit.GetADCValue(1);
580 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
582 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
583 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
584 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
585 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
587 else{ // *** Out-of-time signals
588 lADCDataValue4[index] = digit.GetADCValue(0);
589 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
590 lADCDataValue4[index+2] = digit.GetADCValue(1);
591 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
593 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
594 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
595 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
596 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
600 if((index<0) || (index>23)) {
601 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
602 digit.GetSector(0), digit.GetSector(1));
610 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
611 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
612 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
613 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
617 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
618 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
620 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
621 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
624 // open the output file
626 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
628 AliFstream* file = new AliFstream(fileName);
630 // write the DDL data header
631 AliRawDataHeaderSim header;
632 header.fSize = sizeof(header) +
633 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
634 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
635 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
636 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
638 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
639 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
640 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
641 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
644 header.SetAttribute(0); // valid data
645 file->WriteBuffer((char*)(&header), sizeof(header));
647 // write the raw data and close the file
648 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
649 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
650 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
651 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
652 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
653 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
654 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
655 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
656 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
657 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
658 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
659 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
663 fLoader->UnloadDigits();
666 //_____________________________________________________________________________
667 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
669 // Convert ZDC raw data to Sdigits
671 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ZDCLoader");
673 AliError("no ZDC loader found");
679 while(rawReader->NextEvent()){
680 (AliRunLoader::Instance())->GetEvent(iEvent++);
681 // Create the output digit tree
682 TTree* treeS = loader->TreeS();
684 loader->MakeTree("S");
685 treeS = loader->TreeS();
689 AliZDCSDigit* psdigit = &sdigit;
690 const Int_t kBufferSize = 4000;
691 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
693 AliZDCRawStream rawStream(rawReader);
694 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
696 while(rawStream.Next()){
697 if(rawStream.IsADCDataWord()){
698 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
700 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
701 rawADC = rawStream.GetADCValue();
702 resADC = rawStream.GetADCGain();
703 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
704 // jcount, sector[0], sector[1], rawADC);
706 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
707 if(corrADC<0) corrADC=0;
708 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
710 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
711 // sector[0], sector[1], nPheVal);
713 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal, 0.);
719 // write the output tree
720 fLoader->WriteSDigits("OVERWRITE");
721 fLoader->UnloadSDigits();
727 //_____________________________________________________________________________
728 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
730 // Returns a pedestal for detector det, PM quad, channel with res.
732 // Getting calibration object for ZDC set
733 AliCDBManager *man = AliCDBManager::Instance();
734 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
735 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
738 printf("\t No calibration object found for ZDC!");
742 Int_t index=0, kNch=24;
744 if(Det==1) index = Quad+kNch*Res; // ZN1
745 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
746 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
747 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
748 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
750 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
753 Float_t meanPed = calibPed->GetMeanPed(index);
754 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
755 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
757 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
761 return (Int_t) pedValue;
765 //_____________________________________________________________________________
766 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
768 // Evaluation of the no. of phe produced
769 Float_t pmGain[6][5];
771 for(Int_t j = 0; j < 5; j++){
772 pmGain[0][j] = 50000.;
773 pmGain[1][j] = 100000.;
774 pmGain[2][j] = 100000.;
775 pmGain[3][j] = 50000.;
776 pmGain[4][j] = 100000.;
777 pmGain[5][j] = 100000.;
780 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
781 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
783 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
785 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
790 //______________________________________________________________________
791 void AliZDC::SetTreeAddress(){
793 // Set branch address for the Trees.
794 if(fLoader->TreeH() && (fHits == 0x0))
795 fHits = new TClonesArray("AliZDCHit",1000);
797 AliDetector::SetTreeAddress();