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 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();
169 newquad->SetPrimKinEn(primKinEn);
170 newquad->SetXImpact(xImpact);
171 newquad->SetYImpact(yImpact);
172 newquad->SetSFlag(sFlag);
173 newquad->SetPDGCode(pcPDGcode);
177 for(j=0; j<fNhits; j++){
178 // If hits are equal (same track, same volume), sum them.
179 curprimquad = (AliZDCHit*) lhits[j];
180 if(*curprimquad == *newquad){
181 *curprimquad = *curprimquad+*newquad;
183 //printf("\n\t Summing hits **************** \n", fNhits);
184 //curprimquad->Print("");
191 //Otherwise create a new hit
192 new(lhits[fNhits]) AliZDCHit(*newquad);
195 //printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
196 //newquad->Print("");
201 //____________________________________________________________________________
202 Float_t AliZDC::ZMin(void) const
204 // Minimum dimension of the ZDC module in z
208 //____________________________________________________________________________
209 Float_t AliZDC::ZMax(void) const
211 // Maximum dimension of the ZDC module in z
216 //_____________________________________________________________________________
217 void AliZDC::MakeBranch(Option_t *opt)
220 // Create Tree branches for the ZDC
224 sprintf(branchname,"%s",GetName());
226 const char *cH = strstr(opt,"H");
228 if(cH && fLoader->TreeH()) {
234 fHits = new TClonesArray("AliZDCHit",1000);
235 if (gAlice && gAlice->GetMCApp())
236 gAlice->GetMCApp()->AddHitList(fHits);
240 AliDetector::MakeBranch(opt);
243 //_____________________________________________________________________________
244 void AliZDC::Hits2SDigits()
246 // Create summable digits from hits
248 AliDebug(1,"\n Entering AliZDC::Hits2SDigits() ");
250 fLoader->LoadHits("read");
251 fLoader->LoadSDigits("recreate");
252 AliRunLoader* runLoader = fLoader->GetRunLoader();
254 AliZDCSDigit* psdigit = &sdigit;
257 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
258 Float_t pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
259 Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
260 for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
262 runLoader->GetEvent(iEvent);
263 TTree* treeH = fLoader->TreeH();
264 Int_t ntracks = (Int_t) treeH->GetEntries();
269 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
270 treeH->GetEntry(itrack);
271 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
272 zdcHit = (AliZDCHit*)NextHit()) {
274 sector[0] = zdcHit->GetVolume(0);
275 sector[1] = zdcHit->GetVolume(1);
276 if((sector[1] < 1) || (sector[1] > 5)) {
277 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
278 sector[0], sector[1]);
281 Float_t lightQ = zdcHit->GetLightPMQ();
282 Float_t lightC = zdcHit->GetLightPMC();
284 if(sector[0] == 1) { //ZNC
286 pmQZNC[sector[1]-1] += lightQ;
288 else if(sector[0] == 2) { //ZPC
290 pmQZPC[sector[1]-1] += lightQ;
292 else if(sector[0] == 3) { //ZEM
293 if(sector[1] == 1) pmZEM1 += lightC;
294 else pmZEM2 += lightQ;
296 if(sector[0] == 4) { //ZNA
298 pmQZNA[sector[1]-1] += lightQ;
300 else if(sector[0] == 5) { //ZPA
302 pmQZPA[sector[1]-1] += lightQ;
307 // create the output tree
308 fLoader->MakeTree("S");
309 TTree* treeS = fLoader->TreeS();
310 const Int_t kBufferSize = 4000;
311 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
313 // Create sdigits for ZNC
314 sector[0] = 1; // Detector = ZNC
315 sector[1] = 0; // Common PM ADC
316 new(psdigit) AliZDCSDigit(sector, pmCZNC);
317 if(pmCZNC > 0) treeS->Fill();
318 for(Int_t j = 0; j < 4; j++) {
319 sector[1] = j+1; // Towers PM ADCs
320 new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
321 if(pmQZNC[j] > 0) treeS->Fill();
324 // Create sdigits for ZPC
325 sector[0] = 2; // Detector = ZPC
326 sector[1] = 0; // Common PM ADC
327 new(psdigit) AliZDCSDigit(sector, pmCZPC);
328 if(pmCZPC > 0) treeS->Fill();
329 for(Int_t j = 0; j < 4; j++) {
330 sector[1] = j+1; // Towers PM ADCs
331 new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
332 if(pmQZPC[j] > 0) treeS->Fill();
335 // Create sdigits for ZEM
337 sector[1] = 1; // Detector = ZEM1
338 new(psdigit) AliZDCSDigit(sector, pmZEM1);
339 if(pmZEM1 > 0) treeS->Fill();
340 sector[1] = 2; // Detector = ZEM2
341 new(psdigit) AliZDCSDigit(sector, pmZEM2);
342 if(pmZEM2 > 0) treeS->Fill();
344 // Create sdigits for ZNA
345 sector[0] = 4; // Detector = ZNA
346 sector[1] = 0; // Common PM ADC
347 new(psdigit) AliZDCSDigit(sector, pmCZNA);
348 if(pmCZNA > 0) treeS->Fill();
349 for(Int_t j = 0; j < 4; j++) {
350 sector[1] = j+1; // Towers PM ADCs
351 new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
352 if(pmQZNA[j] > 0) treeS->Fill();
355 // Create sdigits for ZPA
356 sector[0] = 5; // Detector = ZPA
357 sector[1] = 0; // Common PM ADC
358 new(psdigit) AliZDCSDigit(sector, pmCZPA);
359 if(pmCZPA > 0) treeS->Fill();
360 for(Int_t j = 0; j < 4; j++) {
361 sector[1] = j+1; // Towers PM ADCs
362 new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
363 if(pmQZPA[j] > 0) treeS->Fill();
366 // write the output tree
367 fLoader->WriteSDigits("OVERWRITE");
370 fLoader->UnloadHits();
371 fLoader->UnloadSDigits();
374 //_____________________________________________________________________________
375 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
377 // Create the digitizer for ZDC
379 return new AliZDCDigitizer(manager);
382 //_____________________________________________________________________________
383 void AliZDC::Digits2Raw()
385 // Convert ZDC digits to raw data
387 // 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
388 // + 24 int values for the corresponding out of time channels
389 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
390 // 12 channels x 2 gain chains read from 1st ADC module
391 // 12 channels x 2 gain chains read from 2nd ADC module
392 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
393 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
395 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
398 UInt_t lADCData1[knADCData1];
399 UInt_t lADCData2[knADCData2];
400 UInt_t lADCData3[knADCData1];
401 UInt_t lADCData4[knADCData2];
406 fLoader->LoadDigits("read");
408 AliZDCDigit* pdigit = &digit;
409 TTree* treeD = fLoader->TreeD();
411 treeD->SetBranchAddress("ZDC", &pdigit);
412 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
416 UInt_t lADCHeaderGEO = 0;
417 UInt_t lADCHeaderCRATE = 0;
418 UInt_t lADCHeaderCNT1 = knADCData1;
419 UInt_t lADCHeaderCNT2 = knADCData2;
421 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
422 lADCHeaderCNT1 << 8 ;
423 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
424 lADCHeaderCNT2 << 8 ;
427 UInt_t lADCDataGEO = lADCHeaderGEO;
429 UInt_t lADCDataValue1[knADCData1];
430 UInt_t lADCDataValue2[knADCData2];
431 UInt_t lADCDataValue3[knADCData1];
432 UInt_t lADCDataValue4[knADCData2];
434 UInt_t lADCDataOvFlw1[knADCData1];
435 UInt_t lADCDataOvFlw2[knADCData2];
436 UInt_t lADCDataOvFlw3[knADCData1];
437 UInt_t lADCDataOvFlw4[knADCData2];
439 for(Int_t i=0; i<knADCData1 ; i++){
440 lADCDataValue1[i] = 0;
441 lADCDataOvFlw1[i] = 0;
442 lADCDataValue3[i] = 0;
443 lADCDataOvFlw3[i] = 0;
445 for(Int_t i=0; i<knADCData2 ; i++){
446 lADCDataValue2[i] = 0;
447 lADCDataOvFlw2[i] = 0;
448 lADCDataValue4[i] = 0;
449 lADCDataOvFlw4[i] = 0;
452 UInt_t lADCDataChannel = 0;
455 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
456 treeD->GetEntry(iDigit);
457 if(!pdigit) continue;
462 if(digit.GetSector(1)!=5){ // ZDC signal channels
463 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
464 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
465 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
466 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
467 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
469 else if(digit.GetSector(0)==3){ // ZEM 1,2
470 index = 20 + (digit.GetSector(1)-1);
471 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
474 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
475 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
476 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
479 if(iDigit<knADCData1){ // *** In-time signals
480 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
481 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
482 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
483 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
485 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
486 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
487 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
488 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
490 else{ // *** Out-of-time signals
491 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
492 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
493 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
494 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
496 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
497 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
498 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
499 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
502 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
503 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
504 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
505 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
507 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
508 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
509 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
512 if(iDigit<knADCData2){ // *** In-time signals
513 lADCDataValue2[index] = digit.GetADCValue(0);
514 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
515 lADCDataValue2[index+2] = digit.GetADCValue(1);
516 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
518 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
519 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
520 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
521 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
523 else{ // *** Out-of-time signals
524 lADCDataValue4[index] = digit.GetADCValue(0);
525 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
526 lADCDataValue4[index+2] = digit.GetADCValue(1);
527 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
529 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
530 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
531 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
532 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
536 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
537 else if(digit.GetSector(1)==5){
538 index = 20 + (digit.GetSector(0)-1)/3;
539 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
541 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
542 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
543 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
546 if(iDigit<knADCData2){ // *** In-time signals
547 lADCDataValue2[index] = digit.GetADCValue(0);
548 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
549 lADCDataValue2[index+2] = digit.GetADCValue(1);
550 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
552 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
553 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
554 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
555 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
557 else{ // *** Out-of-time signals
558 lADCDataValue4[index] = digit.GetADCValue(0);
559 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
560 lADCDataValue4[index+2] = digit.GetADCValue(1);
561 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
563 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
564 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
565 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
566 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
570 if((index<0) || (index>23)) {
571 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
572 digit.GetSector(0), digit.GetSector(1));
580 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
581 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
582 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
583 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
587 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
588 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
590 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
591 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
594 // open the output file
596 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
598 AliFstream* file = new AliFstream(fileName);
600 // write the DDL data header
601 AliRawDataHeaderSim header;
602 header.fSize = sizeof(header) +
603 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
604 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
605 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
606 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
608 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
609 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
610 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
611 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
614 header.SetAttribute(0); // valid data
615 file->WriteBuffer((char*)(&header), sizeof(header));
617 // write the raw data and close the file
618 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
619 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
620 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
621 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
622 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
623 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
624 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
625 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
626 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
627 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
628 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
629 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
633 fLoader->UnloadDigits();
636 //_____________________________________________________________________________
637 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
639 // Convert ZDC raw data to Sdigits
641 AliLoader* loader = (AliRunLoader::GetRunLoader())->GetLoader("ZDCLoader");
643 AliError("no ZDC loader found");
649 while(rawReader->NextEvent()){
650 (AliRunLoader::GetRunLoader())->GetEvent(iEvent++);
651 // Create the output digit tree
652 TTree* treeS = loader->TreeS();
654 loader->MakeTree("S");
655 treeS = loader->TreeS();
659 AliZDCSDigit* psdigit = &sdigit;
660 const Int_t kBufferSize = 4000;
661 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
663 AliZDCRawStream rawStream(rawReader);
664 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
666 while(rawStream.Next()){
667 if(rawStream.IsADCDataWord()){
668 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
670 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
671 rawADC = rawStream.GetADCValue();
672 resADC = rawStream.GetADCGain();
673 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
674 // jcount, sector[0], sector[1], rawADC);
676 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
677 if(corrADC<0) corrADC=0;
678 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
680 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
681 // sector[0], sector[1], nPheVal);
683 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
689 // write the output tree
690 fLoader->WriteSDigits("OVERWRITE");
691 fLoader->UnloadSDigits();
697 //_____________________________________________________________________________
698 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
700 // Returns a pedestal for detector det, PM quad, channel with res.
702 // Getting calibration object for ZDC set
703 AliCDBManager *man = AliCDBManager::Instance();
704 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
705 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
708 printf("\t No calibration object found for ZDC!");
712 Int_t index=0, kNch=24;
714 if(Det==1) index = Quad+kNch*Res; // ZN1
715 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
716 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
717 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
718 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
720 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
723 Float_t meanPed = calibPed->GetMeanPed(index);
724 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
725 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
727 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
731 return (Int_t) pedValue;
735 //_____________________________________________________________________________
736 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
738 // Evaluation of the no. of phe produced
739 Float_t pmGain[6][5];
741 for(Int_t j = 0; j < 5; j++){
742 pmGain[0][j] = 50000.;
743 pmGain[1][j] = 100000.;
744 pmGain[2][j] = 100000.;
745 pmGain[3][j] = 50000.;
746 pmGain[4][j] = 100000.;
747 pmGain[5][j] = 100000.;
750 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
751 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
753 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
755 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
760 //______________________________________________________________________
761 void AliZDC::SetTreeAddress(){
763 // Set branch address for the Trees.
764 if(fLoader->TreeH() && (fHits == 0x0))
765 fHits = new TClonesArray("AliZDCHit",1000);
767 AliDetector::SetTreeAddress();