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.
148 static Float_t 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();
172 newquad->SetPrimKinEn(primKinEn);
173 newquad->SetXImpact(xImpact);
174 newquad->SetYImpact(yImpact);
175 newquad->SetSFlag(sFlag);
176 newquad->SetPDGCode(pcPDGcode);
180 for(j=0; j<fNhits; j++){
181 // If hits are equal (same track, same volume), sum them.
182 curprimquad = (AliZDCHit*) lhits[j];
183 if(*curprimquad == *newquad){
184 *curprimquad = *curprimquad+*newquad;
186 /*if(newquad->GetEnergy() != 0. || newquad->GetLightPMC() != 0. ||
187 newquad->GetLightPMQ() != 0.){
188 printf("\n\t --- Equal hits found\n");
189 curprimquad->Print("");
191 printf("\t --- Det. %d, Quad. %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
192 curprimquad->GetVolume(0),curprimquad->GetVolume(1),curprimquad->GetXImpact(),
193 curprimquad->GetEnergy(), curprimquad->GetLightPMC(), curprimquad->GetLightPMQ());
201 //Otherwise create a new hit
202 new(lhits[fNhits]) AliZDCHit(*newquad);
205 /*printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
206 printf("\t Det. %d, Quad.t %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
207 newquad->GetVolume(0),newquad->GetVolume(1),newquad->GetXImpact(),
208 newquad->GetEnergy(), newquad->GetLightPMC(), newquad->GetLightPMQ());
213 //____________________________________________________________________________
214 Float_t AliZDC::ZMin(void) const
216 // Minimum dimension of the ZDC module in z
220 //____________________________________________________________________________
221 Float_t AliZDC::ZMax(void) const
223 // Maximum dimension of the ZDC module in z
228 //_____________________________________________________________________________
229 void AliZDC::MakeBranch(Option_t *opt)
232 // Create Tree branches for the ZDC
236 sprintf(branchname,"%s",GetName());
238 const char *cH = strstr(opt,"H");
240 if(cH && fLoader->TreeH()) {
246 fHits = new TClonesArray("AliZDCHit",1000);
247 if (gAlice && gAlice->GetMCApp())
248 gAlice->GetMCApp()->AddHitList(fHits);
252 AliDetector::MakeBranch(opt);
255 //_____________________________________________________________________________
256 void AliZDC::Hits2SDigits()
258 // Create summable digits from hits
260 AliDebug(1,"\n Entering AliZDC::Hits2SDigits() ");
262 fLoader->LoadHits("read");
263 fLoader->LoadSDigits("recreate");
264 AliRunLoader* runLoader = fLoader->GetRunLoader();
266 AliZDCSDigit* psdigit = &sdigit;
269 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
270 Float_t pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
271 Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
272 for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
274 runLoader->GetEvent(iEvent);
275 TTree* treeH = fLoader->TreeH();
276 Int_t ntracks = (Int_t) treeH->GetEntries();
281 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
282 treeH->GetEntry(itrack);
283 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
284 zdcHit = (AliZDCHit*)NextHit()) {
286 sector[0] = zdcHit->GetVolume(0);
287 sector[1] = zdcHit->GetVolume(1);
288 if((sector[1] < 1) || (sector[1] > 5)) {
289 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
290 sector[0], sector[1]);
293 Float_t lightQ = zdcHit->GetLightPMQ();
294 Float_t lightC = zdcHit->GetLightPMC();
296 if(sector[0] == 1) { //ZNC
298 pmQZNC[sector[1]-1] += lightQ;
300 else if(sector[0] == 2) { //ZPC
302 pmQZPC[sector[1]-1] += lightQ;
304 else if(sector[0] == 3) { //ZEM
305 if(sector[1] == 1) pmZEM1 += lightC;
306 else pmZEM2 += lightQ;
308 if(sector[0] == 4) { //ZNA
310 pmQZNA[sector[1]-1] += lightQ;
312 else if(sector[0] == 5) { //ZPA
314 pmQZPA[sector[1]-1] += lightQ;
319 // create the output tree
320 fLoader->MakeTree("S");
321 TTree* treeS = fLoader->TreeS();
322 const Int_t kBufferSize = 4000;
323 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
325 // Create sdigits for ZNC
326 sector[0] = 1; // Detector = ZNC
327 sector[1] = 0; // Common PM ADC
328 new(psdigit) AliZDCSDigit(sector, pmCZNC);
329 if(pmCZNC > 0) treeS->Fill();
330 for(Int_t j = 0; j < 4; j++) {
331 sector[1] = j+1; // Towers PM ADCs
332 new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
333 if(pmQZNC[j] > 0) treeS->Fill();
336 // Create sdigits for ZPC
337 sector[0] = 2; // Detector = ZPC
338 sector[1] = 0; // Common PM ADC
339 new(psdigit) AliZDCSDigit(sector, pmCZPC);
340 if(pmCZPC > 0) treeS->Fill();
341 for(Int_t j = 0; j < 4; j++) {
342 sector[1] = j+1; // Towers PM ADCs
343 new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
344 if(pmQZPC[j] > 0) treeS->Fill();
347 // Create sdigits for ZEM
349 sector[1] = 1; // Detector = ZEM1
350 new(psdigit) AliZDCSDigit(sector, pmZEM1);
351 if(pmZEM1 > 0) treeS->Fill();
352 sector[1] = 2; // Detector = ZEM2
353 new(psdigit) AliZDCSDigit(sector, pmZEM2);
354 if(pmZEM2 > 0) treeS->Fill();
356 // Create sdigits for ZNA
357 sector[0] = 4; // Detector = ZNA
358 sector[1] = 0; // Common PM ADC
359 new(psdigit) AliZDCSDigit(sector, pmCZNA);
360 if(pmCZNA > 0) treeS->Fill();
361 for(Int_t j = 0; j < 4; j++) {
362 sector[1] = j+1; // Towers PM ADCs
363 new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
364 if(pmQZNA[j] > 0) treeS->Fill();
367 // Create sdigits for ZPA
368 sector[0] = 5; // Detector = ZPA
369 sector[1] = 0; // Common PM ADC
370 new(psdigit) AliZDCSDigit(sector, pmCZPA);
371 if(pmCZPA > 0) treeS->Fill();
372 for(Int_t j = 0; j < 4; j++) {
373 sector[1] = j+1; // Towers PM ADCs
374 new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
375 if(pmQZPA[j] > 0) treeS->Fill();
378 // write the output tree
379 fLoader->WriteSDigits("OVERWRITE");
382 fLoader->UnloadHits();
383 fLoader->UnloadSDigits();
386 //_____________________________________________________________________________
387 AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
389 // Create the digitizer for ZDC
391 return new AliZDCDigitizer(manager);
394 //_____________________________________________________________________________
395 void AliZDC::Digits2Raw()
397 // Convert ZDC digits to raw data
399 // 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
400 // + 24 int values for the corresponding out of time channels
401 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
402 // 12 channels x 2 gain chains read from 1st ADC module
403 // 12 channels x 2 gain chains read from 2nd ADC module
404 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
405 // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
407 const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
410 UInt_t lADCData1[knADCData1];
411 UInt_t lADCData2[knADCData2];
412 UInt_t lADCData3[knADCData1];
413 UInt_t lADCData4[knADCData2];
418 fLoader->LoadDigits("read");
420 AliZDCDigit* pdigit = &digit;
421 TTree* treeD = fLoader->TreeD();
423 treeD->SetBranchAddress("ZDC", &pdigit);
424 //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
428 UInt_t lADCHeaderGEO = 0;
429 UInt_t lADCHeaderCRATE = 0;
430 UInt_t lADCHeaderCNT1 = knADCData1;
431 UInt_t lADCHeaderCNT2 = knADCData2;
433 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
434 lADCHeaderCNT1 << 8 ;
435 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
436 lADCHeaderCNT2 << 8 ;
439 UInt_t lADCDataGEO = lADCHeaderGEO;
441 UInt_t lADCDataValue1[knADCData1];
442 UInt_t lADCDataValue2[knADCData2];
443 UInt_t lADCDataValue3[knADCData1];
444 UInt_t lADCDataValue4[knADCData2];
446 UInt_t lADCDataOvFlw1[knADCData1];
447 UInt_t lADCDataOvFlw2[knADCData2];
448 UInt_t lADCDataOvFlw3[knADCData1];
449 UInt_t lADCDataOvFlw4[knADCData2];
451 for(Int_t i=0; i<knADCData1 ; i++){
452 lADCDataValue1[i] = 0;
453 lADCDataOvFlw1[i] = 0;
454 lADCDataValue3[i] = 0;
455 lADCDataOvFlw3[i] = 0;
457 for(Int_t i=0; i<knADCData2 ; i++){
458 lADCDataValue2[i] = 0;
459 lADCDataOvFlw2[i] = 0;
460 lADCDataValue4[i] = 0;
461 lADCDataOvFlw4[i] = 0;
464 UInt_t lADCDataChannel = 0;
467 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
468 treeD->GetEntry(iDigit);
469 if(!pdigit) continue;
474 if(digit.GetSector(1)!=5){ // ZDC signal channels
475 // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
476 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
477 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
478 index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
479 lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
481 else if(digit.GetSector(0)==3){ // ZEM 1,2
482 index = 20 + (digit.GetSector(1)-1);
483 lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
486 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
487 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
488 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
491 if(iDigit<knADCData1){ // *** In-time signals
492 lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
493 if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
494 lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
495 if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
497 lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
498 lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
499 lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
500 lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
502 else{ // *** Out-of-time signals
503 lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
504 if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
505 lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
506 if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
508 lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
509 lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
510 lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
511 lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
514 // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
515 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
516 index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
517 lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
519 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
520 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
521 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
524 if(iDigit<knADCData2){ // *** In-time signals
525 lADCDataValue2[index] = digit.GetADCValue(0);
526 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
527 lADCDataValue2[index+2] = digit.GetADCValue(1);
528 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
530 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
531 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
532 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
533 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
535 else{ // *** Out-of-time signals
536 lADCDataValue4[index] = digit.GetADCValue(0);
537 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
538 lADCDataValue4[index+2] = digit.GetADCValue(1);
539 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
541 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
542 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
543 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
544 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
548 // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
549 else if(digit.GetSector(1)==5){
550 index = 20 + (digit.GetSector(0)-1)/3;
551 lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
553 /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
554 iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
555 digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
558 if(iDigit<knADCData2){ // *** In-time signals
559 lADCDataValue2[index] = digit.GetADCValue(0);
560 if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
561 lADCDataValue2[index+2] = digit.GetADCValue(1);
562 if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
564 lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
565 lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
566 lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
567 lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
569 else{ // *** Out-of-time signals
570 lADCDataValue4[index] = digit.GetADCValue(0);
571 if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
572 lADCDataValue4[index+2] = digit.GetADCValue(1);
573 if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
575 lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
576 lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
577 lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
578 lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
582 if((index<0) || (index>23)) {
583 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
584 digit.GetSector(0), digit.GetSector(1));
592 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
593 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
594 for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
595 for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
599 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
600 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
602 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
603 //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
606 // open the output file
608 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
610 AliFstream* file = new AliFstream(fileName);
612 // write the DDL data header
613 AliRawDataHeaderSim header;
614 header.fSize = sizeof(header) +
615 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
616 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
617 sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
618 sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
620 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
621 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
622 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
623 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
626 header.SetAttribute(0); // valid data
627 file->WriteBuffer((char*)(&header), sizeof(header));
629 // write the raw data and close the file
630 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
631 file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
632 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
633 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
634 file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
635 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
636 file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
637 file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
638 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
639 file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
640 file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
641 file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
645 fLoader->UnloadDigits();
648 //_____________________________________________________________________________
649 Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
651 // Convert ZDC raw data to Sdigits
653 AliLoader* loader = (AliRunLoader::GetRunLoader())->GetLoader("ZDCLoader");
655 AliError("no ZDC loader found");
661 while(rawReader->NextEvent()){
662 (AliRunLoader::GetRunLoader())->GetEvent(iEvent++);
663 // Create the output digit tree
664 TTree* treeS = loader->TreeS();
666 loader->MakeTree("S");
667 treeS = loader->TreeS();
671 AliZDCSDigit* psdigit = &sdigit;
672 const Int_t kBufferSize = 4000;
673 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
675 AliZDCRawStream rawStream(rawReader);
676 Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
678 while(rawStream.Next()){
679 if(rawStream.IsADCDataWord()){
680 //For the moment only in-time SDigits are foreseen (1st 48 raw values)
682 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
683 rawADC = rawStream.GetADCValue();
684 resADC = rawStream.GetADCGain();
685 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
686 // jcount, sector[0], sector[1], rawADC);
688 corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
689 if(corrADC<0) corrADC=0;
690 nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
692 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
693 // sector[0], sector[1], nPheVal);
695 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
701 // write the output tree
702 fLoader->WriteSDigits("OVERWRITE");
703 fLoader->UnloadSDigits();
709 //_____________________________________________________________________________
710 Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
712 // Returns a pedestal for detector det, PM quad, channel with res.
714 // Getting calibration object for ZDC set
715 AliCDBManager *man = AliCDBManager::Instance();
716 AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
717 AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
720 printf("\t No calibration object found for ZDC!");
724 Int_t index=0, kNch=24;
726 if(Det==1) index = Quad+kNch*Res; // ZN1
727 else if(Det==2) index = Quad+5+kNch*Res; // ZP1
728 else if(Det==3) index = Quad+9+kNch*Res; // ZEM
729 else if(Det==4) index = Quad+12+kNch*Res; // ZN2
730 else if(Det==5) index = Quad+17+kNch*Res; // ZP2
732 else index = (Det-1)/3+22+kNch*Res; // Reference PMs
735 Float_t meanPed = calibPed->GetMeanPed(index);
736 Float_t pedWidth = calibPed->GetMeanPedWidth(index);
737 Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
739 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
743 return (Int_t) pedValue;
747 //_____________________________________________________________________________
748 Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
750 // Evaluation of the no. of phe produced
751 Float_t pmGain[6][5];
753 for(Int_t j = 0; j < 5; j++){
754 pmGain[0][j] = 50000.;
755 pmGain[1][j] = 100000.;
756 pmGain[2][j] = 100000.;
757 pmGain[3][j] = 50000.;
758 pmGain[4][j] = 100000.;
759 pmGain[5][j] = 100000.;
762 resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
763 resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
765 Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
767 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
772 //______________________________________________________________________
773 void AliZDC::SetTreeAddress(){
775 // Set branch address for the Trees.
776 if(fLoader->TreeH() && (fHits == 0x0))
777 fHits = new TClonesArray("AliZDCHit",1000);
779 AliDetector::SetTreeAddress();