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 "AliFstream.h"
59 //_____________________________________________________________________________
68 // Default constructor for the Zero Degree Calorimeter base class
79 //_____________________________________________________________________________
80 AliZDC::AliZDC(const char *name, const char *title) :
81 AliDetector(name,title),
88 // Standard constructor for the Zero Degree Calorimeter base class
96 fHits = new TClonesArray("AliZDCHit",1000);
97 gAlice->GetMCApp()->AddHitList(fHits);
99 char sensname[5],senstitle[25];
100 sprintf(sensname,"ZDC");
101 sprintf(senstitle,"ZDC dummy");
102 SetName(sensname); SetTitle(senstitle);
106 //____________________________________________________________________________
119 //_____________________________________________________________________________
120 AliZDC::AliZDC(const AliZDC& ZDC) :
121 AliDetector("ZDC","ZDC"),
122 fNoShower(ZDC.fNoShower),
123 fPedCalib(ZDC.fPedCalib),
124 fCalibData(ZDC.fCalibData),
125 fZDCCalibFName(ZDC.fZDCCalibFName)
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.
147 // -> We make use of 2 array of hits:
148 // [1] fHits (the usual one) that contains hits for each PRIMARY
149 // [2] fStHits that contains hits for each EVENT and is used to
150 // obtain digits at the end of each event
153 static Float_t primKinEn=0., xImpact=0., yImpact=0., sFlag=0.;
154 static Int_t pcPDGcode;
156 AliZDCHit *newquad, *curprimquad;
157 newquad = new AliZDCHit(fIshunt, track, vol, hits);
158 TClonesArray &lhits = *fHits;
161 // First hit -> setting flag for primary or secondary particle
162 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
164 if(track != primary){
165 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
167 else if(track == primary){
168 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
170 sFlag = newquad->GetSFlag();
171 primKinEn = newquad->GetPrimKinEn();
172 xImpact = newquad->GetXImpact();
173 yImpact = newquad->GetYImpact();
174 pcPDGcode = newquad->GetPDGCode();
177 newquad->SetPrimKinEn(primKinEn);
178 newquad->SetXImpact(xImpact);
179 newquad->SetYImpact(yImpact);
180 newquad->SetSFlag(sFlag);
181 newquad->SetPDGCode(pcPDGcode);
185 for(j=0; j<fNhits; j++){
186 // If hits are equal (same track, same volume), sum them.
187 curprimquad = (AliZDCHit*) lhits[j];
188 if(*curprimquad == *newquad){
189 *curprimquad = *curprimquad+*newquad;
191 /*if(newquad->GetEnergy() != 0. || newquad->GetLightPMC() != 0. ||
192 newquad->GetLightPMQ() != 0.){
193 printf("\n\t --- Equal hits found\n");
194 curprimquad->Print("");
196 printf("\t --- Det. %d, Quad. %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
197 curprimquad->GetVolume(0),curprimquad->GetVolume(1),curprimquad->GetXImpact(),
198 curprimquad->GetEnergy(), curprimquad->GetLightPMC(), curprimquad->GetLightPMQ());
206 //Otherwise create a new hit
207 new(lhits[fNhits]) AliZDCHit(*newquad);
210 /*printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
211 printf("\t Det. %d, Quad.t %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
212 newquad->GetVolume(0),newquad->GetVolume(1),newquad->GetXImpact(),
213 newquad->GetEnergy(), newquad->GetLightPMC(), newquad->GetLightPMQ());
218 //_____________________________________________________________________________
219 void AliZDC::BuildGeometry()
222 // Build the ROOT TNode geometry for event display
223 // in the Zero Degree Calorimeter
224 // This routine is dummy for the moment
229 const int kColorZDC = kBlue;
232 top=gAlice->GetGeometry()->GetNode("alice");
235 brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5);
237 node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
238 node->SetLineColor(kColorZDC);
242 //____________________________________________________________________________
243 Float_t AliZDC::ZMin(void) const
245 // Minimum dimension of the ZDC module in z
249 //____________________________________________________________________________
250 Float_t AliZDC::ZMax(void) const
252 // Maximum dimension of the ZDC module in z
257 //_____________________________________________________________________________
258 void AliZDC::MakeBranch(Option_t *opt)
261 // Create Tree branches for the ZDC
265 sprintf(branchname,"%s",GetName());
267 const char *cH = strstr(opt,"H");
269 if(cH && fLoader->TreeH()) {
275 fHits = new TClonesArray("AliZDCHit",1000);
276 if (gAlice && gAlice->GetMCApp())
277 gAlice->GetMCApp()->AddHitList(fHits);
281 AliDetector::MakeBranch(opt);
284 //_____________________________________________________________________________
285 void AliZDC::Hits2SDigits()
287 // Create summable digits from hits
289 AliDebug(1,"\n Entering AliZDC::Hits2SDigits() ");
291 fLoader->LoadHits("read");
292 fLoader->LoadSDigits("recreate");
293 AliRunLoader* runLoader = fLoader->GetRunLoader();
295 AliZDCSDigit* psdigit = &sdigit;
298 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
299 Float_t pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
300 Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
301 for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
303 runLoader->GetEvent(iEvent);
304 TTree* treeH = fLoader->TreeH();
305 Int_t ntracks = (Int_t) treeH->GetEntries();
310 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
311 treeH->GetEntry(itrack);
312 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
313 zdcHit = (AliZDCHit*)NextHit()) {
315 sector[0] = zdcHit->GetVolume(0);
316 sector[1] = zdcHit->GetVolume(1);
317 if((sector[1] < 1) || (sector[1] > 5)) {
318 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
319 sector[0], sector[1]);
322 Float_t lightQ = zdcHit->GetLightPMQ();
323 Float_t lightC = zdcHit->GetLightPMC();
325 if(sector[0] == 1) { //ZNC
327 pmQZNC[sector[1]-1] += lightQ;
329 else if(sector[0] == 2) { //ZPC
331 pmQZPC[sector[1]-1] += lightQ;
333 else if(sector[0] == 3) { //ZEM
334 if(sector[1] == 1) pmZEM1 += lightC;
335 else pmZEM2 += lightQ;
337 if(sector[0] == 4) { //ZNA
339 pmQZNA[sector[1]-1] += lightQ;
341 else if(sector[0] == 5) { //ZPA
343 pmQZPA[sector[1]-1] += lightQ;
348 // create the output tree
349 fLoader->MakeTree("S");
350 TTree* treeS = fLoader->TreeS();
351 const Int_t kBufferSize = 4000;
352 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
354 // Create sdigits for ZNC
355 sector[0] = 1; // Detector = ZNC
356 sector[1] = 0; // Common PM ADC
357 new(psdigit) AliZDCSDigit(sector, pmCZNC);
358 if(pmCZNC > 0) treeS->Fill();
359 for(Int_t j = 0; j < 4; j++) {
360 sector[1] = j+1; // Towers PM ADCs
361 new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
362 if(pmQZNC[j] > 0) treeS->Fill();
365 // Create sdigits for ZPC
366 sector[0] = 2; // Detector = ZPC
367 sector[1] = 0; // Common PM ADC
368 new(psdigit) AliZDCSDigit(sector, pmCZPC);
369 if(pmCZPC > 0) treeS->Fill();
370 for(Int_t j = 0; j < 4; j++) {
371 sector[1] = j+1; // Towers PM ADCs
372 new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
373 if(pmQZPC[j] > 0) treeS->Fill();
376 // Create sdigits for ZEM
378 sector[1] = 1; // Detector = ZEM1
379 new(psdigit) AliZDCSDigit(sector, pmZEM1);
380 if(pmZEM1 > 0) treeS->Fill();
381 sector[1] = 2; // Detector = ZEM2
382 new(psdigit) AliZDCSDigit(sector, pmZEM2);
383 if(pmZEM2 > 0) treeS->Fill();
385 // Create sdigits for ZNA
386 sector[0] = 4; // Detector = ZNA
387 sector[1] = 0; // Common PM ADC
388 new(psdigit) AliZDCSDigit(sector, pmCZNA);
389 if(pmCZNA > 0) treeS->Fill();
390 for(Int_t j = 0; j < 4; j++) {
391 sector[1] = j+1; // Towers PM ADCs
392 new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
393 if(pmQZNA[j] > 0) treeS->Fill();
396 // Create sdigits for ZPA
397 sector[0] = 5; // Detector = ZPA
398 sector[1] = 0; // Common PM ADC
399 new(psdigit) AliZDCSDigit(sector, pmCZPA);
400 if(pmCZPA > 0) treeS->Fill();
401 for(Int_t j = 0; j < 4; j++) {
402 sector[1] = j+1; // Towers PM ADCs
403 new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
404 if(pmQZPA[j] > 0) treeS->Fill();
407 // write the output tree
408 fLoader->WriteSDigits("OVERWRITE");
411 fLoader->UnloadHits();
412 fLoader->UnloadSDigits();
415 //_____________________________________________________________________________
416 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
418 // Create the digitizer for ZDC
420 return new AliZDCDigitizer(manager);
423 //_____________________________________________________________________________
424 void AliZDC::Digits2Raw()
426 // Convert ZDC digits to raw data
428 // 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
429 // + 24 int values for the corresponding out of time channels
430 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
431 // 12 channels x 2 gain chains read from 1st ADC module
432 // 12 channels x 2 gain chains read from 2nd ADC module
433 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
434 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
436 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
439 UInt_t lADCData1[knADCData1];
440 UInt_t lADCData2[knADCData2];
441 UInt_t lADCData3[knADCData1];
442 UInt_t lADCData4[knADCData2];
447 fLoader->LoadDigits("read");
449 AliZDCDigit* pdigit = &digit;
450 TTree* treeD = fLoader->TreeD();
452 treeD->SetBranchAddress("ZDC", &pdigit);
453 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
457 UInt_t lADCHeaderGEO = 0;
458 UInt_t lADCHeaderCRATE = 0;
459 UInt_t lADCHeaderCNT1 = knADCData1;
460 UInt_t lADCHeaderCNT2 = knADCData2;
462 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
463 lADCHeaderCNT1 << 8 ;
464 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
465 lADCHeaderCNT2 << 8 ;
468 UInt_t lADCDataGEO = lADCHeaderGEO;
470 UInt_t lADCDataValue1[knADCData1];
471 UInt_t lADCDataValue2[knADCData2];
472 UInt_t lADCDataValue3[knADCData1];
473 UInt_t lADCDataValue4[knADCData2];
475 UInt_t lADCDataOvFlw1[knADCData1];
476 UInt_t lADCDataOvFlw2[knADCData2];
477 UInt_t lADCDataOvFlw3[knADCData1];
478 UInt_t lADCDataOvFlw4[knADCData2];
480 for(Int_t i=0; i<knADCData1 ; i++){
481 lADCDataValue1[i] = 0;
482 lADCDataOvFlw1[i] = 0;
483 lADCDataValue3[i] = 0;
484 lADCDataOvFlw3[i] = 0;
486 for(Int_t i=0; i<knADCData2 ; i++){
487 lADCDataValue2[i] = 0;
488 lADCDataOvFlw2[i] = 0;
489 lADCDataValue4[i] = 0;
490 lADCDataOvFlw4[i] = 0;
493 UInt_t lADCDataChannel = 0;
496 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
497 treeD->GetEntry(iDigit);
498 if(!pdigit) continue;
503 if(digit.GetSector(1)!=5){ // ZDC signal channels
504 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
505 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
506 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
507 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
508 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
510 else if(digit.GetSector(0)==3){ // ZEM 1,2
511 index = 20 + (digit.GetSector(1)-1);
512 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
515 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
516 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
517 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
520 if(iDigit<knADCData1){ // *** In-time signals
521 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
522 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
523 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
524 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
526 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
527 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
528 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
529 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
531 else{ // *** Out-of-time signals
532 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
533 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
534 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
535 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
537 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
538 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
539 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
540 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
543 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
544 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
545 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
546 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
548 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
549 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
550 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
553 if(iDigit<knADCData2){ // *** In-time signals
554 lADCDataValue2[index] = digit.GetADCValue(0);
555 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
556 lADCDataValue2[index+2] = digit.GetADCValue(1);
557 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
559 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
560 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
561 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
562 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
564 else{ // *** Out-of-time signals
565 lADCDataValue4[index] = digit.GetADCValue(0);
566 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
567 lADCDataValue4[index+2] = digit.GetADCValue(1);
568 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
570 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
571 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
572 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
573 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
577 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
578 else if(digit.GetSector(1)==5){
579 index = 20 + (digit.GetSector(0)-1)/3;
580 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
582 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
583 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
584 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
587 if(iDigit<knADCData2){ // *** In-time signals
588 lADCDataValue2[index] = digit.GetADCValue(0);
589 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
590 lADCDataValue2[index+2] = digit.GetADCValue(1);
591 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
593 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
594 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
595 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
596 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
598 else{ // *** Out-of-time signals
599 lADCDataValue4[index] = digit.GetADCValue(0);
600 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
601 lADCDataValue4[index+2] = digit.GetADCValue(1);
602 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
604 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
605 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
606 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
607 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
611 if((index<0) || (index>23)) {
612 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
613 digit.GetSector(0), digit.GetSector(1));
621 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
622 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
623 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
624 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
628 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
629 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
631 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
632 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
635 // open the output file
637 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
639 AliFstream* file = new AliFstream(fileName);
641 // write the DDL data header
642 AliRawDataHeaderSim header;
643 header.fSize = sizeof(header) +
644 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
645 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
646 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
647 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
649 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
650 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
651 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
652 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
655 header.SetAttribute(0); // valid data
656 file->WriteBuffer((char*)(&header), sizeof(header));
658 // write the raw data and close the file
659 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
660 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
661 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
662 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
663 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
664 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
665 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
666 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
667 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
668 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
669 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
670 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
674 fLoader->UnloadDigits();
677 //_____________________________________________________________________________
678 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
680 // Convert ZDC raw data to Sdigits
682 AliLoader* loader = (gAlice->GetRunLoader())->GetLoader("ZDCLoader");
684 AliError("no ZDC loader found");
690 while(rawReader->NextEvent()){
691 (gAlice->GetRunLoader())->GetEvent(iEvent++);
692 // Create the output digit tree
693 TTree* treeS = loader->TreeS();
695 loader->MakeTree("S");
696 treeS = loader->TreeS();
700 AliZDCSDigit* psdigit = &sdigit;
701 const Int_t kBufferSize = 4000;
702 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
704 AliZDCRawStream rawStream(rawReader);
705 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
707 while(rawStream.Next()){
708 if(rawStream.IsADCDataWord()){
709 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
711 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
712 rawADC = rawStream.GetADCValue();
713 resADC = rawStream.GetADCGain();
714 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
715 // jcount, sector[0], sector[1], rawADC);
717 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
718 if(corrADC<0) corrADC=0;
719 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
721 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
722 // sector[0], sector[1], nPheVal);
724 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
730 // write the output tree
731 fLoader->WriteSDigits("OVERWRITE");
732 fLoader->UnloadSDigits();
738 //_____________________________________________________________________________
739 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
741 // Returns a pedestal for detector det, PM quad, channel with res.
743 // Getting calibration object for ZDC set
744 AliCDBManager *man = AliCDBManager::Instance();
745 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
746 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
749 printf("\t No calibration object found for ZDC!");
753 Int_t index=0, kNch=24;
755 if(Det==1) index = Quad+kNch*Res; // ZN1
756 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
757 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
758 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
759 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
761 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
764 Float_t meanPed = calibPed->GetMeanPed(index);
765 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
766 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
768 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
772 return (Int_t) pedValue;
776 //_____________________________________________________________________________
777 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
779 // Evaluation of the no. of phe produced
780 Float_t pmGain[6][5];
782 for(Int_t j = 0; j < 5; j++){
783 pmGain[0][j] = 50000.;
784 pmGain[1][j] = 100000.;
785 pmGain[2][j] = 100000.;
786 pmGain[3][j] = 50000.;
787 pmGain[4][j] = 100000.;
788 pmGain[5][j] = 100000.;
791 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
792 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
794 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
796 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
801 //______________________________________________________________________
802 void AliZDC::SetTreeAddress(){
804 // Set branch address for the Trees.
805 if(fLoader->TreeH() && (fHits == 0x0))
806 fHits = new TClonesArray("AliZDCHit",1000);
808 AliDetector::SetTreeAddress();