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1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
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 //
24// //
25///////////////////////////////////////////////////////////////////////////////
26
27// --- ROOT system
28#include <TBRIK.h>
29#include <TClonesArray.h>
30#include <TGeometry.h>
31#include <TNode.h>
32#include <TTree.h>
33#include <TFile.h>
34#include <TSystem.h>
35#include <TRandom.h>
36
37// --- AliRoot header files
38#include "AliDetector.h"
39#include "AliRawDataHeader.h"
40#include "AliRawReader.h"
41#include "AliLoader.h"
42#include "AliRun.h"
43#include "AliMC.h"
44#include "AliLog.h"
45#include "AliDAQ.h"
46#include "AliZDC.h"
47#include "AliZDCHit.h"
48#include "AliZDCSDigit.h"
49#include "AliZDCDigit.h"
50#include "AliZDCDigitizer.h"
51#include "AliZDCRawStream.h"
52#include "AliZDCCalibData.h"
53
54
55ClassImp(AliZDC)
56
57AliZDC *gAliZDC;
58
59//_____________________________________________________________________________
60AliZDC::AliZDC() :
61 AliDetector(),
62 fNoShower (0),
63 fCalibData (0)
64
65{
66 //
67 // Default constructor for the Zero Degree Calorimeter base class
68 //
69
70 fIshunt = 1;
71 fNhits = 0;
72 fHits = 0;
73 fDigits = 0;
74 fNdigits = 0;
75
76}
77
78//_____________________________________________________________________________
79AliZDC::AliZDC(const char *name, const char *title) :
80 AliDetector(name,title),
81 fNoShower (0),
82 fCalibData (0)
83
84{
85 //
86 // Standard constructor for the Zero Degree Calorimeter base class
87 //
88
89 fIshunt = 1;
90 fNhits = 0;
91 fDigits = 0;
92 fNdigits = 0;
93
94 fHits = new TClonesArray("AliZDCHit",1000);
95 gAlice->GetMCApp()->AddHitList(fHits);
96
97 char sensname[5],senstitle[25];
98 sprintf(sensname,"ZDC");
99 sprintf(senstitle,"ZDC dummy");
100 SetName(sensname); SetTitle(senstitle);
101
102 gAliZDC = this;
103
104}
105
106//____________________________________________________________________________
107AliZDC::~AliZDC()
108{
109 //
110 // ZDC destructor
111 //
112
113 fIshunt = 0;
114 gAliZDC = 0;
115
116 delete fCalibData;
117
118}
119
120//_____________________________________________________________________________
121AliZDC::AliZDC(const AliZDC& ZDC) :
122 AliDetector("ZDC","ZDC")
123{
124 // copy constructor
125 fNoShower = ZDC.fNoShower;
126 fCalibData = ZDC.fCalibData;
127 fZDCCalibFName = ZDC.fZDCCalibFName;
128}
129
130//_____________________________________________________________________________
131AliZDC& AliZDC::operator=(const AliZDC& ZDC)
132{
133 // assignement operator
134 if(this!=&ZDC){
135 fNoShower = ZDC.fNoShower;
136 fCalibData = ZDC.fCalibData;
137 fZDCCalibFName = ZDC.fZDCCalibFName;
138 } return *this;
139}
140
141//_____________________________________________________________________________
142void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
143{
144 //
145 // Add a ZDC hit to the hit list.
146 // -> We make use of 2 array of hits:
147 // [1] fHits (the usual one) that contains hits for each PRIMARY
148 // [2] fStHits that contains hits for each EVENT and is used to
149 // obtain digits at the end of each event
150 //
151
152 static Float_t primKinEn, xImpact, yImpact, sFlag;
153
154 AliZDCHit *newquad, *curprimquad;
155 newquad = new AliZDCHit(fIshunt, track, vol, hits);
156 TClonesArray &lhits = *fHits;
157
158 if(fNhits==0){
159 // First hit -> setting flag for primary or secondary particle
160 Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
161 if(track != primary){
162 newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
163 }
164 else if(track == primary){
165 newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
166 }
167 sFlag = newquad->GetSFlag();
168 primKinEn = newquad->GetPrimKinEn();
169 xImpact = newquad->GetXImpact();
170 yImpact = newquad->GetYImpact();
171 }
172 else{
173 newquad->SetPrimKinEn(primKinEn);
174 newquad->SetXImpact(xImpact);
175 newquad->SetYImpact(yImpact);
176 newquad->SetSFlag(sFlag);
177 }
178
179 Int_t j;
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;
185 // CH. debug
186 /*if(newquad->GetEnergy() != 0. || newquad->GetLightPMC() != 0. ||
187 newquad->GetLightPMQ() != 0.){
188 printf("\n\t --- Equal hits found\n");
189 curprimquad->Print("");
190 newquad->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());
194 }*/
195 //
196 delete newquad;
197 return;
198 }
199 }
200
201 //Otherwise create a new hit
202 new(lhits[fNhits]) AliZDCHit(*newquad);
203 fNhits++;
204 // CH. debug
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());
209 */
210 delete newquad;
211}
212
213//_____________________________________________________________________________
214void AliZDC::BuildGeometry()
215{
216 //
217 // Build the ROOT TNode geometry for event display
218 // in the Zero Degree Calorimeter
219 // This routine is dummy for the moment
220 //
221
222 TNode *node, *top;
223 TBRIK *brik;
224 const int kColorZDC = kBlue;
225
226 //
227 top=gAlice->GetGeometry()->GetNode("alice");
228
229 // ZDC
230 brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5);
231 top->cd();
232 node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
233 node->SetLineColor(kColorZDC);
234 fNodes->Add(node);
235}
236
237//____________________________________________________________________________
238Float_t AliZDC::ZMin(void) const
239{
240 // Minimum dimension of the ZDC module in z
241 return -11600.;
242}
243
244//____________________________________________________________________________
245Float_t AliZDC::ZMax(void) const
246{
247 // Maximum dimension of the ZDC module in z
248 return -11750.;
249}
250
251
252//_____________________________________________________________________________
253void AliZDC::MakeBranch(Option_t *opt)
254{
255 //
256 // Create Tree branches for the ZDC
257 //
258
259 char branchname[10];
260 sprintf(branchname,"%s",GetName());
261
262 const char *cH = strstr(opt,"H");
263
264 if(cH && fLoader->TreeH())
265 fHits = new TClonesArray("AliZDCHit",1000);
266
267 AliDetector::MakeBranch(opt);
268}
269
270//_____________________________________________________________________________
271void AliZDC::Hits2SDigits()
272{
273 // Create summable digits from hits
274
275 AliDebug(1,"\n Entering AliZDC::Hits2Digits() ");
276
277 fLoader->LoadHits("read");
278 fLoader->LoadSDigits("recreate");
279 AliRunLoader* runLoader = fLoader->GetRunLoader();
280 AliZDCSDigit sdigit;
281 AliZDCSDigit* psdigit = &sdigit;
282
283 // Event loop
284 for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
285 Float_t pmCZN = 0, pmCZP = 0, pmQZN[4], pmQZP[4], pmZEM1 = 0, pmZEM2 = 0;
286 for(Int_t i = 0; i < 4; i++) pmQZN[i] = pmQZP[i] = 0;
287
288 runLoader->GetEvent(iEvent);
289 TTree* treeH = fLoader->TreeH();
290 Int_t ntracks = (Int_t) treeH->GetEntries();
291 ResetHits();
292
293 // Tracks loop
294 Int_t sector[2];
295 for(Int_t itrack = 0; itrack < ntracks; itrack++) {
296 treeH->GetEntry(itrack);
297 for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
298 zdcHit = (AliZDCHit*)NextHit()) {
299
300 sector[0] = zdcHit->GetVolume(0);
301 sector[1] = zdcHit->GetVolume(1);
302 if((sector[1] < 1) || (sector[1] > 4)) {
303 Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
304 sector[0], sector[1]);
305 continue;
306 }
307 Float_t lightQ = zdcHit->GetLightPMQ();
308 Float_t lightC = zdcHit->GetLightPMC();
309
310 if(sector[0] == 1) { //ZN
311 pmCZN += lightC;
312 pmQZN[sector[1]-1] += lightQ;
313 } else if(sector[0] == 2) { //ZP
314 pmCZP += lightC;
315 pmQZP[sector[1]-1] += lightQ;
316 } else if(sector[0] == 3) { //ZEM
317 if(sector[1] == 1) pmZEM1 += lightC;
318 else pmZEM2 += lightQ;
319 }
320 }//Hits loop
321 }
322
323 // create the output tree
324 fLoader->MakeTree("S");
325 TTree* treeS = fLoader->TreeS();
326 const Int_t kBufferSize = 4000;
327 treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
328
329 // Create sdigits for ZN1
330 sector[0] = 1; // Detector = ZN1
331 sector[1] = 0; // Common PM ADC
332 new(psdigit) AliZDCSDigit(sector, pmCZN);
333 if(pmCZN > 0) treeS->Fill();
334 for(Int_t j = 0; j < 4; j++) {
335 sector[1] = j+1; // Towers PM ADCs
336 new(psdigit) AliZDCSDigit(sector, pmQZN[j]);
337 if(pmQZN[j] > 0) treeS->Fill();
338 }
339
340 // Create sdigits for ZP1
341 sector[0] = 2; // Detector = ZP1
342 sector[1] = 0; // Common PM ADC
343 new(psdigit) AliZDCSDigit(sector, pmCZP);
344 if(pmCZP > 0) treeS->Fill();
345 for(Int_t j = 0; j < 4; j++) {
346 sector[1] = j+1; // Towers PM ADCs
347 new(psdigit) AliZDCSDigit(sector, pmQZP[j]);
348 if(pmQZP[j] > 0) treeS->Fill();
349 }
350
351 // Create sdigits for ZEM
352 sector[0] = 3;
353 sector[1] = 1; // Detector = ZEM1
354 new(psdigit) AliZDCSDigit(sector, pmZEM1);
355 if(pmZEM1 > 0) treeS->Fill();
356 sector[1] = 2; // Detector = ZEM2
357 new(psdigit) AliZDCSDigit(sector, pmZEM2);
358 if(pmZEM2 > 0) treeS->Fill();
359
360 // write the output tree
361 fLoader->WriteSDigits("OVERWRITE");
362 }
363
364 fLoader->UnloadHits();
365 fLoader->UnloadSDigits();
366}
367
368//_____________________________________________________________________________
369AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
370{
371 // Create the digitizer for ZDC
372
373 return new AliZDCDigitizer(manager);
374}
375
376//_____________________________________________________________________________
377void AliZDC::Digits2Raw()
378{
379 // Convert ZDC digits to raw data
380
381 // Format: 22 interger values -> ZN1 (C+Q1-4), ZP1 (C+Q1-4), ZEM1, 2, ZN (C+Q1-4), ZP2 (C+Q1-4))
382 // + 22 interger values for the out of time channels
383 // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
384 // 12 channels x 2 gain chains read from 1st ADC module
385 // 10 channels x 2 gain chains read from 2nd ADC module
386 // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
387 // 10 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
388 //
389 const int knADCData1=24, knADCData2=20;
390 UInt_t lADCHeader1;
391 UInt_t lADCData1[knADCData1];
392 //
393 UInt_t lADCHeader2;
394 UInt_t lADCData2[knADCData2];
395 //
396 UInt_t lADCHeader3;
397 UInt_t lADCData3[knADCData1];
398 //
399 UInt_t lADCHeader4;
400 UInt_t lADCData4[knADCData2];
401 //
402 UInt_t lADCEndBlock;
403
404 // load the digits
405 fLoader->LoadDigits("read");
406 AliZDCDigit digit;
407 AliZDCDigit* pdigit = &digit;
408 TTree* treeD = fLoader->TreeD();
409 if(!treeD) return;
410 treeD->SetBranchAddress("ZDC", &pdigit);
411 //printf("\t AliZDC::Digits2raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
412
413 // Fill data array
414 // ADC header
415 UInt_t lADCHeaderGEO = 0;
416 UInt_t lADCHeaderCRATE = 0;
417 UInt_t lADCHeaderCNT1 = knADCData1;
418 UInt_t lADCHeaderCNT2 = knADCData2;
419
420 lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
421 lADCHeaderCNT1 << 8 ;
422 //
423 lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
424 lADCHeaderCNT2 << 8 ;
425 //
426 lADCHeader3 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
427 lADCHeaderCNT1 << 8 ;
428 //
429 lADCHeader4 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
430 lADCHeaderCNT2 << 8 ;
431 //printf("\t lADCHeader1 = %x, lADCHeader2 = %x\n",lADCHeader1, lADCHeader2);
432
433 // ADC data word
434 UInt_t lADCDataGEO = lADCHeaderGEO;
435 UInt_t lADCDataValue1[knADCData1];
436 UInt_t lADCDataValue2[knADCData2];
437 UInt_t lADCDataValue3[knADCData1];
438 UInt_t lADCDataValue4[knADCData2];
439 UInt_t lADCDataOvFlw1[knADCData1];
440 UInt_t lADCDataOvFlw2[knADCData2];
441 UInt_t lADCDataOvFlw3[knADCData1];
442 UInt_t lADCDataOvFlw4[knADCData2];
443 for(Int_t i=0; i<knADCData1 ; i++){
444 lADCDataValue1[i] = 0;
445 lADCDataOvFlw1[i] = 0;
446 lADCDataValue3[i] = 0;
447 lADCDataOvFlw3[i] = 0;
448 }
449 for(Int_t i=0; i<knADCData2 ; i++){
450 lADCDataValue2[i] = 0;
451 lADCDataOvFlw2[i] = 0;
452 lADCDataValue4[i] = 0;
453 lADCDataOvFlw4[i] = 0;
454 }
455 UInt_t lADCDataChannel = 0;
456
457 // loop over digits
458 for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
459 treeD->GetEntry(iDigit);
460 if(!pdigit) continue;
461 //digit.Print("");
462
463 // *** ADC data
464 Int_t index1=0, index2=0;
465 // *** ADC1 (ZN1, ZP1, ZEM1,2) o ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
466 if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
467 if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
468 index1 = (digit.GetSector(0)-1) + digit.GetSector(1)*4; // ZN1 or ZP1
469 lADCDataChannel = (digit.GetSector(0)-1)*8 + digit.GetSector(1);
470 }
471 else if(digit.GetSector(0)==3){ // ZEM 1,2
472 index1 = 20 + (digit.GetSector(1)-1);
473 lADCDataChannel = 5 + (digit.GetSector(1)-1)*8;
474 }
475 //
476 /*printf("\t AliZDC::Digits2raw -> det %d, quad %d, index = %d, ADCch = %d\n",
477 digit.GetSector(0),digit.GetSector(1),index1,lADCDataChannel);// Ch. debug
478 */
479 //
480 if(iDigit<22){
481 lADCDataValue1[index1] = digit.GetADCValue(0); // High gain ADC ch.
482 if(lADCDataValue1[index1] > 2047) lADCDataOvFlw1[index1] = 1;
483 lADCDataValue1[index1+2] = digit.GetADCValue(1); // Low gain ADC ch.
484 if(lADCDataValue1[index1+2] > 2047) lADCDataOvFlw1[index1+2] = 1;
485
486 lADCData1[index1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
487 lADCDataOvFlw1[index1] << 12 | (lADCDataValue1[index1] & 0xfff);
488 lADCData1[index1+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
489 lADCDataOvFlw1[index1+2] << 12 | (lADCDataValue1[index1+2] & 0xfff);
490 }
491 else{
492 lADCDataValue3[index1] = digit.GetADCValue(0); // High gain ADC ch.
493 if(lADCDataValue3[index1] > 2047) lADCDataOvFlw3[index1] = 1;
494 lADCDataValue3[index1+2] = digit.GetADCValue(1); // Low gain ADC ch.
495 if(lADCDataValue3[index1+2] > 2047) lADCDataOvFlw3[index1+2] = 1;
496
497 lADCData3[index1] = lADCDataGEO << 27 | lADCDataChannel << 17 |
498 lADCDataOvFlw3[index1] << 12 | (lADCDataValue3[index1] & 0xfff);
499 lADCData3[index1+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
500 lADCDataOvFlw3[index1+2] << 12 | (lADCDataValue3[index1+2] & 0xfff);
501 }
502 }
503 // *** ADC2 (ZN2, ZP2) o ADC4 (ZN2, ZP2 o.o.t.)
504 else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
505 index2 = (digit.GetSector(0)-4) + digit.GetSector(1)*4; // ZN2 or ZP2
506 lADCDataChannel = (digit.GetSector(0)-4)*8 + digit.GetSector(1);
507 //
508 /*printf("\t AliZDC::Digits2raw -> det %d, quad %d, index = %d, ADCch = %d\n",
509 digit.GetSector(0),digit.GetSector(1),index1,lADCDataChannel); // Ch. debug
510 */
511 //
512 if(iDigit<22){
513 lADCDataValue2[index2] = digit.GetADCValue(0);
514 if(lADCDataValue2[index2] > 2047) lADCDataOvFlw2[index2] = 1;
515 lADCDataValue2[index2+2] = digit.GetADCValue(1);
516 if(lADCDataValue2[index2+2] > 2047) lADCDataOvFlw2[index2+2] = 1;
517 //
518 lADCData2[index2] = lADCDataGEO << 27 | lADCDataChannel << 17 |
519 lADCDataOvFlw2[index2] << 12 | (lADCDataValue2[index2] & 0xfff);
520 lADCData2[index2+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
521 lADCDataOvFlw2[index2+2] << 12 | (lADCDataValue2[index2+2] & 0xfff);
522 }
523 else{
524 lADCDataValue4[index2] = digit.GetADCValue(0);
525 if(lADCDataValue4[index2] > 2047) lADCDataOvFlw4[index2] = 1;
526 lADCDataValue4[index2+2] = digit.GetADCValue(1);
527 if(lADCDataValue4[index2+2] > 2047) lADCDataOvFlw4[index2+2] = 1;
528 //
529 lADCData4[index2] = lADCDataGEO << 27 | lADCDataChannel << 17 |
530 lADCDataOvFlw4[index2] << 12 | (lADCDataValue4[index2] & 0xfff);
531 lADCData4[index2+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
532 lADCDataOvFlw4[index2+2] << 12 | (lADCDataValue4[index2+2] & 0xfff);
533 }
534 }
535 if((index1<0) || (index1>23)) {
536 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
537 digit.GetSector(0), digit.GetSector(1));
538 continue;
539 }
540 if((index2<0) || (index2>19)) {
541 Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
542 digit.GetSector(0), digit.GetSector(1));
543 continue;
544 }
545
546
547 }
548 /* for(Int_t i=0;i<24;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
549 for(Int_t i=0;i<20;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
550 for(Int_t i=0;i<24;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
551 for(Int_t i=0;i<20;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
552 */
553
554 // End of Block
555 UInt_t lADCEndBlockGEO = lADCHeaderGEO;
556 UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
557
558 lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
559
560 //printf("\t ADCEndBlock = %d\n",lADCEndBlock);
561
562
563 // open the output file
564 char fileName[30];
565 strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
566#ifndef __DECCXX
567 ofstream file(fileName, ios::binary);
568#else
569 ofstream file(fileName);
570#endif
571
572 // write the DDL data header
573 AliRawDataHeader header;
574 header.fSize = sizeof(header) +
575 sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
576 sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
577 sizeof(lADCHeader3) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
578 sizeof(lADCHeader4) + sizeof(lADCData4) + sizeof(lADCEndBlock);
579 /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
580 sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
581 printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
582 sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));*/
583 header.SetAttribute(0); // valid data
584 file.write((char*)(&header), sizeof(header));
585
586 // write the raw data and close the file
587 file.write((char*) &lADCHeader1, sizeof (lADCHeader1));
588 file.write((char*)(lADCData1), sizeof(lADCData1));
589 file.write((char*) &lADCEndBlock, sizeof(lADCEndBlock));
590 file.write((char*) &lADCHeader2, sizeof (lADCHeader2));
591 file.write((char*)(lADCData2), sizeof(lADCData2));
592 file.write((char*) &lADCEndBlock, sizeof(lADCEndBlock));
593 file.write((char*) &lADCHeader3, sizeof (lADCHeader3));
594 file.write((char*)(lADCData3), sizeof(lADCData3));
595 file.write((char*) &lADCEndBlock, sizeof(lADCEndBlock));
596 file.write((char*) &lADCHeader4, sizeof (lADCHeader4));
597 file.write((char*)(lADCData4), sizeof(lADCData4));
598 file.write((char*) &lADCEndBlock, sizeof(lADCEndBlock));
599 file.close();
600
601 // unload the digits
602 fLoader->UnloadDigits();
603}
604
605//_____________________________________________________________________________
606Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
607{
608 // Convert ZDC raw data to Sdigits
609
610 AliLoader* loader = (gAlice->GetRunLoader())->GetLoader("ZDCLoader");
611 if(!loader) {
612 AliError("no ZDC loader found");
613 return kFALSE;
614 }
615
616// // Event loop
617 Int_t iEvent = 0;
618 while(rawReader->NextEvent()){
619 (gAlice->GetRunLoader())->GetEvent(iEvent++);
620 // Create the output digit tree
621 TTree* treeS = loader->TreeS();
622 if(!treeS){
623 loader->MakeTree("S");
624 treeS = loader->TreeS();
625 }
626 //
627 AliZDCSDigit sdigit;
628 AliZDCSDigit* psdigit = &sdigit;
629 const Int_t kBufferSize = 4000;
630 treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
631 //
632 AliZDCRawStream rawStream(rawReader);
633 Int_t sector[2], ADCRes, ADCRaw, ADCPedSub, nPheVal;
634 Int_t jcount = 0;
635 while(rawStream.Next()){
636 if(rawStream.IsADCDataWord()){
637 //For the moment only in-time SDigits are foreseen (1st 44 raw values)
638 if(jcount < 44){
639 for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
640 ADCRaw = rawStream.GetADCValue();
641 ADCRes = rawStream.GetADCGain();
642 //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
643 // jcount, sector[0], sector[1], ADCRaw);
644 //
645 ADCPedSub = ADCRaw - Pedestal(sector[0], sector[1], ADCRes);
646 if(ADCPedSub<0) ADCPedSub=0;
647 nPheVal = ADCch2Phe(sector[0], sector[1], ADCPedSub, ADCRes);
648 //
649 //printf("\t \t -> SDigit[%d, %d, %d] created\n",
650 // sector[0], sector[1], nPheVal);
651 //
652 new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
653 treeS->Fill();
654 jcount++;
655 }
656 }//IsADCDataWord
657 }//rawStream.Next
658 // write the output tree
659 fLoader->WriteSDigits("OVERWRITE");
660 fLoader->UnloadSDigits();
661 }//Event loop
662
663 return kTRUE;
664}
665
666//_____________________________________________________________________________
667Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
668{
669 // Returns a pedestal for detector det, PM quad, channel with res.
670 //
671 // Getting calibration object for ZDC set
672 AliCDBManager *man = AliCDBManager::Instance();
673 man->SetDefaultStorage("local://$ALICE_ROOT");
674 man->SetRun(0);
675 AliCDBEntry *entry = man->Get("ZDC/Calib/Data");
676 AliZDCCalibData *CalibData = (AliZDCCalibData*) entry->GetObject();
677 //
678 if(!CalibData){
679 printf("\t No calibration object found for ZDC!");
680 return -1;
681 }
682 //
683 Float_t PedValue;
684 Float_t meanPed, Pedwidth;
685 Int_t index=0;
686 if(Det==1|| Det==2) index = 10*(Det-1)+Quad+5*Res; // ZN1, ZP1
687 else if(Det==3) index = 10*(Det-1)+(Quad-1)+Res; // ZEM
688 else if(Det==4|| Det==5) index = 10*(Det-2)+Quad+5*Res+4; // ZN2, ZP2
689 //
690 //
691 meanPed = CalibData->GetMeanPed(index);
692 Pedwidth = CalibData->GetMeanPedWidth(index);
693 PedValue = gRandom->Gaus(meanPed,Pedwidth);
694 //
695 //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) PedValue); // Chiara debugging!
696
697
698
699 return (Int_t) PedValue;
700}
701
702
703//_____________________________________________________________________________
704Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
705{
706 // Evaluation of the no. of phe produced
707 Float_t PMGain[6][5];
708 Float_t ADCRes[2];
709 for(Int_t j = 0; j < 5; j++){
710 PMGain[0][j] = 50000.;
711 PMGain[1][j] = 100000.;
712 PMGain[2][j] = 100000.;
713 PMGain[3][j] = 50000.;
714 PMGain[4][j] = 100000.;
715 PMGain[5][j] = 100000.;
716 }
717 // ADC Caen V965
718 ADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
719 ADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
720 //
721 Int_t nPhe = (Int_t) (ADCVal * PMGain[Det-1][Quad] * ADCRes[Res]);
722 //
723 //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
724
725 return nPhe;
726}
727
728//______________________________________________________________________
729void AliZDC::SetTreeAddress(){
730
731 // Set branch address for the Trees.
732 if(fLoader->TreeH() && (fHits == 0x0))
733 fHits = new TClonesArray("AliZDCHit",1000);
734
735 AliDetector::SetTreeAddress();
736}
737
738//________________________________________________________________
739void AliZDC::CreateCalibData()
740{
741 //
742 //if(fCalibData) delete fCalibData; // delete previous version
743 fCalibData = new AliZDCCalibData(GetName());
744}
745//________________________________________________________________
746void AliZDC::WriteCalibData(Int_t option)
747{
748 //
749 const int kCompressLevel = 9;
750 char* fnam = GetZDCCalibFName();
751 if(!fnam || fnam[0]=='\0') {
752 fnam = gSystem->ExpandPathName("$(ALICE_ROOT)/data/AliZDCCalib.root");
753 Warning("WriteCalibData","No File Name is provided, using default %s",fnam);
754 }
755 TFile* cdfile = TFile::Open(fnam,"UPDATE","",kCompressLevel);
756
757 // Writes Calibration Data to current directory.
758 // User MUST take care of corresponding file opening and ->cd()... !!!
759 // By default, the object is overwritten. Use 0 option for opposite.
760 if(option) option = TObject::kOverwrite;
761 if(fCalibData) fCalibData->Write(0,option);
762 else if(fCalibData) fCalibData->Write(0,option);
763
764 cdfile->Close();
765 delete cdfile;
766}
767
768//________________________________________________________________
769void AliZDC::LoadCalibData()
770{
771 //
772 char* fnam = GetZDCCalibFName();
773 if(!fnam || fnam[0]=='\0') return;
774 if(!gAlice->IsFileAccessible(fnam)) {
775 Error("LoadCalibData","ZDC Calibration Data file is not accessible, %s",fnam);
776 exit(1);
777 }
778 TFile* cdfile = TFile::Open(fnam);
779
780 // Loads Calibration Data from current directory.
781 // User MUST take care of corresponding file opening and ->cd()...!!!
782 //
783 if(fCalibData) delete fCalibData; // delete previous version
784 TString dtname = "Calib_";
785 dtname += GetName();
786 fCalibData = (AliZDCCalibData*) gDirectory->Get(dtname.Data());
787 if(!fCalibData) {
788 Error("LoadCalibData","No Calibration data found for %s",GetName());
789 exit(1);
790 }
791
792 cdfile->Close();
793 delete cdfile;
794}
795