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 ///////////////////////////////////////////////////////////////////////////////
29 #include <TClonesArray.h>
30 #include <TGeometry.h>
37 // --- AliRoot header files
38 #include "AliDetector.h"
39 #include "AliRawDataHeaderSim.h"
40 #include "AliRawReader.h"
41 #include "AliLoader.h"
47 #include "AliZDCHit.h"
48 #include "AliZDCSDigit.h"
49 #include "AliZDCDigit.h"
50 #include "AliZDCDigitizer.h"
51 #include "AliZDCRawStream.h"
52 #include "AliZDCPedestals.h"
53 #include "AliZDCCalib.h"
54 #include "AliZDCRecParam.h"
55 #include "AliFstream.h"
60 //_____________________________________________________________________________
70 // Default constructor for the Zero Degree Calorimeter base class
81 //_____________________________________________________________________________
82 AliZDC::AliZDC(const char *name, const char *title) :
83 AliDetector(name,title),
91 // Standard constructor for the Zero Degree Calorimeter base class
99 fHits = new TClonesArray("AliZDCHit",1000);
100 gAlice->GetMCApp()->AddHitList(fHits);
102 char sensname[5],senstitle[25];
103 sprintf(sensname,"ZDC");
104 sprintf(senstitle,"ZDC dummy");
105 SetName(sensname); SetTitle(senstitle);
109 //____________________________________________________________________________
123 //_____________________________________________________________________________
124 AliZDC::AliZDC(const AliZDC& ZDC) :
125 AliDetector("ZDC","ZDC"),
126 fNoShower(ZDC.fNoShower),
127 fPedCalib(ZDC.fPedCalib),
128 fCalibData(ZDC.fCalibData),
129 fRecParam(ZDC.fRecParam),
130 fZDCCalibFName(ZDC.fZDCCalibFName)
135 //_____________________________________________________________________________
136 AliZDC& AliZDC::operator=(const AliZDC& ZDC)
138 // assignement operator
140 fNoShower = ZDC.fNoShower;
141 fPedCalib = ZDC.fPedCalib;
142 fCalibData = ZDC.fCalibData;
143 fRecParam = ZDC.fRecParam;
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.
153 // -> We make use of 2 array of hits:
154 // [1] fHits (the usual one) that contains hits for each PRIMARY
155 // [2] fStHits that contains hits for each EVENT and is used to
156 // obtain digits at the end of each event
159 static Float_t primKinEn, xImpact, yImpact, sFlag;
161 AliZDCHit *newquad, *curprimquad;
162 newquad = new AliZDCHit(fIshunt, track, vol, hits);
163 TClonesArray &lhits = *fHits;
166 // First hit -> setting flag for primary or secondary particle
167 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
168 if(track != primary){
169 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
171 else if(track == primary){
172 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
174 sFlag = newquad->GetSFlag();
175 primKinEn = newquad->GetPrimKinEn();
176 xImpact = newquad->GetXImpact();
177 yImpact = newquad->GetYImpact();
180 newquad->SetPrimKinEn(primKinEn);
181 newquad->SetXImpact(xImpact);
182 newquad->SetYImpact(yImpact);
183 newquad->SetSFlag(sFlag);
187 for(j=0; j<fNhits; j++){
188 // If hits are equal (same track, same volume), sum them.
189 curprimquad = (AliZDCHit*) lhits[j];
190 if(*curprimquad == *newquad){
191 *curprimquad = *curprimquad+*newquad;
193 /*if(newquad->GetEnergy() != 0. || newquad->GetLightPMC() != 0. ||
194 newquad->GetLightPMQ() != 0.){
195 printf("\n\t --- Equal hits found\n");
196 curprimquad->Print("");
198 printf("\t --- Det. %d, Quad. %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
199 curprimquad->GetVolume(0),curprimquad->GetVolume(1),curprimquad->GetXImpact(),
200 curprimquad->GetEnergy(), curprimquad->GetLightPMC(), curprimquad->GetLightPMQ());
208 //Otherwise create a new hit
209 new(lhits[fNhits]) AliZDCHit(*newquad);
212 /*printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
213 printf("\t Det. %d, Quad.t %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
214 newquad->GetVolume(0),newquad->GetVolume(1),newquad->GetXImpact(),
215 newquad->GetEnergy(), newquad->GetLightPMC(), newquad->GetLightPMQ());
220 //_____________________________________________________________________________
221 void AliZDC::BuildGeometry()
224 // Build the ROOT TNode geometry for event display
225 // in the Zero Degree Calorimeter
226 // This routine is dummy for the moment
231 const int kColorZDC = kBlue;
234 top=gAlice->GetGeometry()->GetNode("alice");
237 brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5);
239 node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
240 node->SetLineColor(kColorZDC);
244 //____________________________________________________________________________
245 Float_t AliZDC::ZMin(void) const
247 // Minimum dimension of the ZDC module in z
251 //____________________________________________________________________________
252 Float_t AliZDC::ZMax(void) const
254 // Maximum dimension of the ZDC module in z
259 //_____________________________________________________________________________
260 void AliZDC::MakeBranch(Option_t *opt)
263 // Create Tree branches for the ZDC
267 sprintf(branchname,"%s",GetName());
269 const char *cH = strstr(opt,"H");
271 if(cH && fLoader->TreeH())
272 fHits = new TClonesArray("AliZDCHit",1000);
274 AliDetector::MakeBranch(opt);
277 //_____________________________________________________________________________
278 void AliZDC::Hits2SDigits()
280 // Create summable digits from hits
282 AliDebug(1,"\n Entering AliZDC::Hits2SDigits() ");
284 fLoader->LoadHits("read");
285 fLoader->LoadSDigits("recreate");
286 AliRunLoader* runLoader = fLoader->GetRunLoader();
288 AliZDCSDigit* psdigit = &sdigit;
291 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
292 Float_t pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
293 Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
294 for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
296 runLoader->GetEvent(iEvent);
297 TTree* treeH = fLoader->TreeH();
298 Int_t ntracks = (Int_t) treeH->GetEntries();
303 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
304 treeH->GetEntry(itrack);
305 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
306 zdcHit = (AliZDCHit*)NextHit()) {
308 sector[0] = zdcHit->GetVolume(0);
309 sector[1] = zdcHit->GetVolume(1);
310 if((sector[1] < 1) || (sector[1] > 5)) {
311 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
312 sector[0], sector[1]);
315 Float_t lightQ = zdcHit->GetLightPMQ();
316 Float_t lightC = zdcHit->GetLightPMC();
318 if(sector[0] == 1) { //ZNC
320 pmQZNC[sector[1]-1] += lightQ;
322 else if(sector[0] == 2) { //ZPC
324 pmQZPC[sector[1]-1] += lightQ;
326 else if(sector[0] == 3) { //ZEM
327 if(sector[1] == 1) pmZEM1 += lightC;
328 else pmZEM2 += lightQ;
330 if(sector[0] == 4) { //ZNA
332 pmQZNA[sector[1]-1] += lightQ;
334 else if(sector[0] == 5) { //ZPA
336 pmQZPA[sector[1]-1] += lightQ;
341 // create the output tree
342 fLoader->MakeTree("S");
343 TTree* treeS = fLoader->TreeS();
344 const Int_t kBufferSize = 4000;
345 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
347 // Create sdigits for ZNC
348 sector[0] = 1; // Detector = ZNC
349 sector[1] = 0; // Common PM ADC
350 new(psdigit) AliZDCSDigit(sector, pmCZNC);
351 if(pmCZNC > 0) treeS->Fill();
352 for(Int_t j = 0; j < 4; j++) {
353 sector[1] = j+1; // Towers PM ADCs
354 new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
355 if(pmQZNC[j] > 0) treeS->Fill();
358 // Create sdigits for ZPC
359 sector[0] = 2; // Detector = ZPC
360 sector[1] = 0; // Common PM ADC
361 new(psdigit) AliZDCSDigit(sector, pmCZPC);
362 if(pmCZPC > 0) treeS->Fill();
363 for(Int_t j = 0; j < 4; j++) {
364 sector[1] = j+1; // Towers PM ADCs
365 new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
366 if(pmQZPC[j] > 0) treeS->Fill();
369 // Create sdigits for ZEM
371 sector[1] = 1; // Detector = ZEM1
372 new(psdigit) AliZDCSDigit(sector, pmZEM1);
373 if(pmZEM1 > 0) treeS->Fill();
374 sector[1] = 2; // Detector = ZEM2
375 new(psdigit) AliZDCSDigit(sector, pmZEM2);
376 if(pmZEM2 > 0) treeS->Fill();
378 // Create sdigits for ZNA
379 sector[0] = 4; // Detector = ZNA
380 sector[1] = 0; // Common PM ADC
381 new(psdigit) AliZDCSDigit(sector, pmCZNA);
382 if(pmCZNA > 0) treeS->Fill();
383 for(Int_t j = 0; j < 4; j++) {
384 sector[1] = j+1; // Towers PM ADCs
385 new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
386 if(pmQZNA[j] > 0) treeS->Fill();
389 // Create sdigits for ZPA
390 sector[0] = 5; // Detector = ZPA
391 sector[1] = 0; // Common PM ADC
392 new(psdigit) AliZDCSDigit(sector, pmCZPA);
393 if(pmCZPA > 0) treeS->Fill();
394 for(Int_t j = 0; j < 4; j++) {
395 sector[1] = j+1; // Towers PM ADCs
396 new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
397 if(pmQZPA[j] > 0) treeS->Fill();
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
413 return new AliZDCDigitizer(manager);
416 //_____________________________________________________________________________
417 void AliZDC::Digits2Raw()
419 // Convert ZDC digits to raw data
421 // 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
422 // + 24 int values for the corresponding out of time channels
423 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
424 // 12 channels x 2 gain chains read from 1st ADC module
425 // 12 channels x 2 gain chains read from 2nd ADC module
426 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
427 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
429 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
432 UInt_t lADCData1[knADCData1];
433 UInt_t lADCData2[knADCData2];
434 UInt_t lADCData3[knADCData1];
435 UInt_t lADCData4[knADCData2];
440 fLoader->LoadDigits("read");
442 AliZDCDigit* pdigit = &digit;
443 TTree* treeD = fLoader->TreeD();
445 treeD->SetBranchAddress("ZDC", &pdigit);
446 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
450 UInt_t lADCHeaderGEO = 0;
451 UInt_t lADCHeaderCRATE = 0;
452 UInt_t lADCHeaderCNT1 = knADCData1;
453 UInt_t lADCHeaderCNT2 = knADCData2;
455 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
456 lADCHeaderCNT1 << 8 ;
457 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
458 lADCHeaderCNT2 << 8 ;
461 UInt_t lADCDataGEO = lADCHeaderGEO;
463 UInt_t lADCDataValue1[knADCData1];
464 UInt_t lADCDataValue2[knADCData2];
465 UInt_t lADCDataValue3[knADCData1];
466 UInt_t lADCDataValue4[knADCData2];
468 UInt_t lADCDataOvFlw1[knADCData1];
469 UInt_t lADCDataOvFlw2[knADCData2];
470 UInt_t lADCDataOvFlw3[knADCData1];
471 UInt_t lADCDataOvFlw4[knADCData2];
473 for(Int_t i=0; i<knADCData1 ; i++){
474 lADCDataValue1[i] = 0;
475 lADCDataOvFlw1[i] = 0;
476 lADCDataValue3[i] = 0;
477 lADCDataOvFlw3[i] = 0;
479 for(Int_t i=0; i<knADCData2 ; i++){
480 lADCDataValue2[i] = 0;
481 lADCDataOvFlw2[i] = 0;
482 lADCDataValue4[i] = 0;
483 lADCDataOvFlw4[i] = 0;
486 UInt_t lADCDataChannel = 0;
489 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
490 treeD->GetEntry(iDigit);
491 if(!pdigit) continue;
496 if(digit.GetSector(1)!=5){ // ZDC signal channels
497 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
498 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
499 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
500 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
501 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
503 else if(digit.GetSector(0)==3){ // ZEM 1,2
504 index = 20 + (digit.GetSector(1)-1);
505 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
508 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
509 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
510 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
513 if(iDigit<knADCData1){ // *** In-time signals
514 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
515 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
516 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
517 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
519 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
520 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
521 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
522 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
524 else{ // *** Out-of-time signals
525 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
526 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
527 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
528 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
530 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
531 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
532 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
533 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
536 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
537 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
538 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
539 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
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 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
571 else if(digit.GetSector(1)==5){
572 index = 20 + (digit.GetSector(0)-1)/3;
573 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
575 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
576 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
577 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
580 if(iDigit<knADCData2){ // *** In-time signals
581 lADCDataValue2[index] = digit.GetADCValue(0);
582 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
583 lADCDataValue2[index+2] = digit.GetADCValue(1);
584 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
586 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
587 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
588 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
589 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
591 else{ // *** Out-of-time signals
592 lADCDataValue4[index] = digit.GetADCValue(0);
593 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
594 lADCDataValue4[index+2] = digit.GetADCValue(1);
595 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
597 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
598 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
599 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
600 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
604 if((index<0) || (index>23)) {
605 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
606 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 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
624 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
625 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
628 // open the output file
630 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
632 AliFstream* file = new AliFstream(fileName);
634 // write the DDL data header
635 AliRawDataHeaderSim header;
636 header.fSize = sizeof(header) +
637 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
638 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
639 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
640 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
642 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
643 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
644 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
645 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
648 header.SetAttribute(0); // valid data
649 file->WriteBuffer((char*)(&header), sizeof(header));
651 // write the raw data and close the file
652 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
653 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
654 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
655 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
656 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
657 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
658 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
659 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
660 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
661 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
662 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
663 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
667 fLoader->UnloadDigits();
670 //_____________________________________________________________________________
671 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
673 // Convert ZDC raw data to Sdigits
675 AliLoader* loader = (gAlice->GetRunLoader())->GetLoader("ZDCLoader");
677 AliError("no ZDC loader found");
683 while(rawReader->NextEvent()){
684 (gAlice->GetRunLoader())->GetEvent(iEvent++);
685 // Create the output digit tree
686 TTree* treeS = loader->TreeS();
688 loader->MakeTree("S");
689 treeS = loader->TreeS();
693 AliZDCSDigit* psdigit = &sdigit;
694 const Int_t kBufferSize = 4000;
695 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
697 AliZDCRawStream rawStream(rawReader);
698 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
700 while(rawStream.Next()){
701 if(rawStream.IsADCDataWord()){
702 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
704 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
705 rawADC = rawStream.GetADCValue();
706 resADC = rawStream.GetADCGain();
707 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
708 // jcount, sector[0], sector[1], rawADC);
710 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
711 if(corrADC<0) corrADC=0;
712 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
714 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
715 // sector[0], sector[1], nPheVal);
717 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
723 // write the output tree
724 fLoader->WriteSDigits("OVERWRITE");
725 fLoader->UnloadSDigits();
731 //_____________________________________________________________________________
732 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
734 // Returns a pedestal for detector det, PM quad, channel with res.
736 // Getting calibration object for ZDC set
737 AliCDBManager *man = AliCDBManager::Instance();
738 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
739 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
742 printf("\t No calibration object found for ZDC!");
746 Int_t index=0, kNch=24;
748 if(Det==1) index = Quad+kNch*Res; // ZN1
749 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
750 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
751 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
752 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
754 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
757 Float_t meanPed = calibPed->GetMeanPed(index);
758 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
759 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
761 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
765 return (Int_t) pedValue;
769 //_____________________________________________________________________________
770 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
772 // Evaluation of the no. of phe produced
773 Float_t pmGain[6][5];
775 for(Int_t j = 0; j < 5; j++){
776 pmGain[0][j] = 50000.;
777 pmGain[1][j] = 100000.;
778 pmGain[2][j] = 100000.;
779 pmGain[3][j] = 50000.;
780 pmGain[4][j] = 100000.;
781 pmGain[5][j] = 100000.;
784 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
785 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
787 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
789 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
794 //______________________________________________________________________
795 void AliZDC::SetTreeAddress(){
797 // Set branch address for the Trees.
798 if(fLoader->TreeH() && (fHits == 0x0))
799 fHits = new TClonesArray("AliZDCHit",1000);
801 AliDetector::SetTreeAddress();