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d8a72780 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2000, 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 | ||
88cb7938 | 16 | /* $Id$ */ |
7118aef0 | 17 | |
7118aef0 | 18 | #include <Riostream.h> |
d8a72780 | 19 | |
20 | #include <TTree.h> | |
d8a72780 | 21 | #include <TObjArray.h> |
22 | #include <TFile.h> | |
23 | #include <TDirectory.h> | |
24 | #include <TParticle.h> | |
25 | ||
d8a72780 | 26 | #include "AliRICHMerger.h" |
27 | #include "AliRICHChamber.h" | |
28 | #include "AliHitMap.h" | |
29 | #include "AliRICHHitMapA1.h" | |
30 | #include "AliRICH.h" | |
d8a72780 | 31 | #include "AliRICHSDigit.h" |
32 | #include "AliRICHDigit.h" | |
33 | #include "AliRICHTransientDigit.h" | |
34 | #include "AliRun.h" | |
35 | #include "AliPDG.h" | |
36 | ||
37 | ClassImp(AliRICHMerger) | |
38 | ||
39 | //___________________________________________ | |
b762c2f6 | 40 | AliRICHMerger::AliRICHMerger() |
d8a72780 | 41 | { |
42 | // Default constructor | |
b762c2f6 | 43 | fEvNrSig = 0; |
44 | fEvNrBgr = 0; | |
45 | fMerge = kDigitize; | |
46 | fFnBgr = 0; | |
47 | fHitMap = 0; | |
48 | fList = 0; | |
49 | fTrH1 = 0; | |
50 | fHitsBgr = 0; | |
51 | fSDigitsBgr = 0; | |
52 | fHitMap = 0; | |
53 | fList = 0; | |
54 | fBgrFile = 0; | |
d8a72780 | 55 | } |
56 | ||
57 | //------------------------------------------------------------------------ | |
58 | AliRICHMerger::~AliRICHMerger() | |
59 | { | |
60 | // Destructor | |
b762c2f6 | 61 | if (fTrH1) delete fTrH1; |
62 | if (fHitsBgr) delete fHitsBgr; | |
63 | if (fSDigitsBgr) delete fSDigitsBgr; | |
64 | if (fHitMap) delete fHitMap; | |
65 | if (fList) delete fList; | |
66 | if (fBgrFile) delete fBgrFile; | |
d8a72780 | 67 | } |
68 | ||
69 | //------------------------------------------------------------------------ | |
b762c2f6 | 70 | Bool_t AliRICHMerger::Exists(const AliRICHSDigit *padhit) |
d8a72780 | 71 | { |
b762c2f6 | 72 | return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY())); |
d8a72780 | 73 | } |
74 | ||
75 | //------------------------------------------------------------------------ | |
b762c2f6 | 76 | void AliRICHMerger::Update(AliRICHSDigit *padhit) |
d8a72780 | 77 | { |
b762c2f6 | 78 | AliRICHTransientDigit *pdigit = |
79 | static_cast<AliRICHTransientDigit*>( | |
80 | fHitMap[fNch]->GetHit(padhit->PadX(),padhit->PadY())); | |
81 | ||
82 | // update charge | |
83 | // | |
84 | Int_t iqpad = Int_t(padhit->QPad()); // charge per pad | |
85 | pdigit->AddSignal(iqpad); | |
86 | pdigit->AddPhysicsSignal(iqpad); | |
87 | ||
88 | // update list of tracks | |
89 | // | |
90 | Int_t track, charge; | |
91 | if (fSignal) { | |
92 | track = fTrack; | |
93 | charge = iqpad; | |
94 | } else { | |
95 | track = kBgTag; | |
96 | charge = kBgTag; | |
97 | } | |
98 | pdigit->UpdateTrackList(track,charge); | |
d8a72780 | 99 | } |
100 | ||
101 | //------------------------------------------------------------------------ | |
b762c2f6 | 102 | void AliRICHMerger::CreateNew(AliRICHSDigit *padhit) |
d8a72780 | 103 | { |
b762c2f6 | 104 | fList->AddAtAndExpand( |
105 | new AliRICHTransientDigit(fNch,fDigits),fCounter); | |
106 | fHitMap[fNch]->SetHit(padhit->PadX(),padhit->PadY(),fCounter); | |
107 | ||
108 | AliRICHTransientDigit* pdigit = | |
109 | static_cast<AliRICHTransientDigit*>(fList->Last()); | |
110 | // list of tracks | |
111 | Int_t track, charge; | |
112 | if (fSignal) { | |
113 | track = fTrack; | |
114 | charge = padhit->QPad(); | |
115 | } else { | |
116 | track = kBgTag; | |
117 | charge = kBgTag; | |
118 | } | |
119 | pdigit->AddToTrackList(track,charge); | |
120 | fCounter++; | |
d8a72780 | 121 | } |
122 | ||
123 | ||
124 | //------------------------------------------------------------------------ | |
125 | void AliRICHMerger::Init() | |
126 | { | |
127 | // Initialisation | |
128 | ||
b762c2f6 | 129 | if (fMerge && !fBgrFile) fBgrFile = InitBgr(); |
d8a72780 | 130 | } |
131 | ||
132 | ||
133 | ||
134 | //------------------------------------------------------------------------ | |
135 | TFile* AliRICHMerger::InitBgr() | |
136 | { | |
137 | // Initialise background event | |
b762c2f6 | 138 | TFile *file = new TFile(fFnBgr); |
d8a72780 | 139 | // add error checking later |
b762c2f6 | 140 | printf("\n AliRICHMerger has opened %s file with background event \n", fFnBgr); |
853634d3 | 141 | fHitsBgr = new TClonesArray("AliRICHhit",1000); |
b762c2f6 | 142 | fSDigitsBgr = new TClonesArray("AliRICHSDigit",1000); |
143 | return file; | |
d8a72780 | 144 | } |
145 | ||
146 | //------------------------------------------------------------------------ | |
147 | void AliRICHMerger::Digitise(Int_t nev, Int_t flag) | |
148 | { | |
149 | ||
b762c2f6 | 150 | // keep galice.root for signal and name differently the file for |
151 | // background when add! otherwise the track info for signal will be lost ! | |
d8a72780 | 152 | |
153 | Int_t particle; | |
154 | ||
d8a72780 | 155 | AliRICHChamber* iChamber; |
156 | AliSegmentation* segmentation; | |
157 | ||
b762c2f6 | 158 | fList = new TObjArray; |
d8a72780 | 159 | |
b762c2f6 | 160 | AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH"); |
161 | fHitMap= new AliHitMap* [kNCH]; | |
d8a72780 | 162 | |
b762c2f6 | 163 | if (fMerge ) { |
164 | fBgrFile->cd(); | |
165 | // | |
166 | // Get Hits Tree header from file | |
167 | if(fHitsBgr) fHitsBgr->Clear(); | |
168 | if(fSDigitsBgr) fSDigitsBgr->Clear(); | |
169 | if(fTrH1) delete fTrH1; | |
170 | fTrH1 = 0; | |
d8a72780 | 171 | |
b762c2f6 | 172 | char treeName[20]; |
173 | sprintf(treeName,"TreeH%d",fEvNrBgr); | |
174 | fTrH1 = (TTree*)gDirectory->Get(treeName); | |
175 | if (!fTrH1) { | |
176 | printf("ERROR: cannot find Hits Tree for event:%d\n",fEvNrBgr); | |
d8a72780 | 177 | } |
d8a72780 | 178 | // |
b762c2f6 | 179 | // Set branch addresses |
180 | TBranch *branch; | |
181 | char branchname[20]; | |
182 | sprintf(branchname,"%s",pRICH->GetName()); | |
183 | if (fTrH1 && fHitsBgr) { | |
184 | branch = fTrH1->GetBranch(branchname); | |
185 | if (branch) branch->SetAddress(&fHitsBgr); | |
186 | } | |
187 | if (fTrH1 && fSDigitsBgr) { | |
188 | branch = fTrH1->GetBranch("RICHSDigits"); | |
189 | if (branch) branch->SetAddress(&fSDigitsBgr); | |
190 | } | |
191 | } | |
d8a72780 | 192 | |
b762c2f6 | 193 | for (Int_t i =0; i<kNCH; i++) { |
194 | iChamber= &(pRICH->Chamber(i)); | |
195 | segmentation=iChamber->GetSegmentationModel(1); | |
196 | fHitMap[i] = new AliRICHHitMapA1(segmentation, fList); | |
197 | } | |
198 | // | |
199 | // Loop over tracks | |
200 | // | |
201 | ||
202 | fSignal = kTRUE; | |
203 | fCounter = 0; | |
88cb7938 | 204 | TTree *treeH = pRICH->TreeH(); |
b762c2f6 | 205 | Int_t ntracks =(Int_t) treeH->GetEntries(); |
206 | for (fTrack=0; fTrack<ntracks; fTrack++) { | |
207 | gAlice->ResetHits(); | |
208 | treeH->GetEvent(fTrack); | |
209 | // | |
210 | // Loop over hits | |
853634d3 | 211 | for(AliRICHhit* mHit=(AliRICHhit*)pRICH->FirstHit(-1); |
b762c2f6 | 212 | mHit; |
853634d3 | 213 | mHit=(AliRICHhit*)pRICH->NextHit()) |
b762c2f6 | 214 | { |
d8a72780 | 215 | |
b762c2f6 | 216 | fNch = mHit->Chamber()-1; // chamber number |
217 | Int_t trackIndex = mHit->Track(); | |
218 | if (fNch >= kNCH) { | |
219 | cerr<<"AliRICHMerger: chamber nr. fNch out of range: "<<fNch<<endl; | |
220 | cerr<<" track: "<<fTrack<<endl; | |
221 | continue; | |
222 | } | |
223 | iChamber = &(pRICH->Chamber(fNch)); | |
d8a72780 | 224 | |
b762c2f6 | 225 | |
226 | // | |
227 | // If flag is set, create digits only for some particles | |
228 | // | |
229 | TParticle *current = (TParticle*)gAlice->Particle(trackIndex); | |
230 | if (current->GetPdgCode() >= 50000050) | |
231 | { | |
232 | TParticle *motherofcurrent = (TParticle*)gAlice->Particle(current->GetFirstMother()); | |
233 | particle = motherofcurrent->GetPdgCode(); | |
234 | } | |
235 | else | |
236 | { | |
237 | particle = current->GetPdgCode(); | |
238 | } | |
d8a72780 | 239 | |
240 | ||
b762c2f6 | 241 | //printf("Flag:%d\n",flag); |
242 | //printf("Track:%d\n",track); | |
243 | //printf("Particle:%d\n",particle); | |
d8a72780 | 244 | |
b762c2f6 | 245 | Int_t digitise=1; |
d8a72780 | 246 | |
b762c2f6 | 247 | if (flag == 1) |
248 | if(TMath::Abs(particle)==211 || TMath::Abs(particle)==111) | |
249 | digitise=0; | |
d8a72780 | 250 | |
b762c2f6 | 251 | if (flag == 2) |
252 | if(TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310 | |
253 | || TMath::Abs(particle)==311) | |
254 | digitise=0; | |
d8a72780 | 255 | |
b762c2f6 | 256 | if (flag == 3 && TMath::Abs(particle)==2212) |
257 | digitise=0; | |
d8a72780 | 258 | |
b762c2f6 | 259 | if (flag == 4 && TMath::Abs(particle)==13) |
260 | digitise=0; | |
d8a72780 | 261 | |
b762c2f6 | 262 | if (flag == 5 && TMath::Abs(particle)==11) |
263 | digitise=0; | |
d8a72780 | 264 | |
b762c2f6 | 265 | if (flag == 6 && TMath::Abs(particle)==2112) |
266 | digitise=0; | |
d8a72780 | 267 | |
268 | ||
b762c2f6 | 269 | //printf ("Particle: %d, Flag: %d, Digitise: %d\n",particle,flag,digitise); |
d8a72780 | 270 | |
271 | ||
b762c2f6 | 272 | if (digitise) |
273 | { | |
d8a72780 | 274 | |
b762c2f6 | 275 | // |
276 | // Loop over pad hits | |
277 | for (AliRICHSDigit* mPad= | |
278 | (AliRICHSDigit*)pRICH->FirstPad(mHit,pRICH->SDigits()); | |
279 | mPad; | |
280 | mPad=(AliRICHSDigit*)pRICH->NextPad(pRICH->SDigits())) | |
281 | { | |
282 | Int_t iqpad = mPad->QPad(); // charge per pad | |
283 | fDigits[0]=mPad->PadX(); | |
284 | fDigits[1]=mPad->PadY(); | |
285 | fDigits[2]=iqpad; | |
286 | fDigits[3]=iqpad; | |
287 | fDigits[4]=mPad->HitNumber(); | |
d8a72780 | 288 | |
b762c2f6 | 289 | // build the list of fired pads and update the info |
290 | if (Exists(mPad)) { | |
291 | Update(mPad); | |
292 | } else { | |
293 | CreateNew(mPad); | |
294 | } | |
295 | } //end loop over clusters | |
296 | }// track type condition | |
297 | } // hit loop | |
298 | } // track loop | |
d8a72780 | 299 | |
b762c2f6 | 300 | // open the file with background |
d8a72780 | 301 | |
b762c2f6 | 302 | if (fMerge) { |
303 | fSignal = kFALSE; | |
304 | ntracks = (Int_t)fTrH1->GetEntries(); | |
305 | // | |
306 | // Loop over tracks | |
307 | // | |
308 | for (fTrack = 0; fTrack < ntracks; fTrack++) { | |
d8a72780 | 309 | |
b762c2f6 | 310 | if (fHitsBgr) fHitsBgr->Clear(); |
311 | if (fSDigitsBgr) fSDigitsBgr->Clear(); | |
d8a72780 | 312 | |
b762c2f6 | 313 | fTrH1->GetEvent(fTrack); |
314 | // | |
315 | // Loop over hits | |
853634d3 | 316 | AliRICHhit* mHit; |
b762c2f6 | 317 | for(Int_t i = 0; i < fHitsBgr->GetEntriesFast(); ++i) |
318 | { | |
853634d3 | 319 | mHit = (AliRICHhit*) (*fHitsBgr)[i]; |
b762c2f6 | 320 | fNch = mHit->Chamber()-1; // chamber number |
321 | iChamber = &(pRICH->Chamber(fNch)); | |
322 | ||
d8a72780 | 323 | // |
b762c2f6 | 324 | // Loop over pad hits |
325 | for (AliRICHSDigit* mPad = | |
326 | (AliRICHSDigit*)pRICH->FirstPad(mHit,fSDigitsBgr); | |
327 | mPad; | |
328 | mPad = (AliRICHSDigit*)pRICH->NextPad(fSDigitsBgr)) | |
329 | { | |
330 | fDigits[0] = mPad->PadX(); | |
331 | fDigits[1] = mPad->PadY(); | |
332 | fDigits[2] = mPad->QPad(); | |
333 | fDigits[3] = 0; | |
334 | fDigits[4] = -1; // set hit number to -1 for bgr | |
d8a72780 | 335 | |
b762c2f6 | 336 | // build the list of fired pads and update the info |
337 | if (!Exists(mPad)) { | |
338 | CreateNew(mPad); | |
339 | } else { | |
340 | Update(mPad); | |
341 | } // end if !Exists | |
342 | } //end loop over clusters | |
343 | } // hit loop | |
344 | } // track loop | |
d8a72780 | 345 | |
b762c2f6 | 346 | TTree *treeK = gAlice->TreeK(); |
347 | TFile *file = NULL; | |
d8a72780 | 348 | |
b762c2f6 | 349 | if (treeK) file = treeK->GetCurrentFile(); |
350 | file->cd(); | |
351 | } // if fMerge | |
d8a72780 | 352 | |
b762c2f6 | 353 | Int_t tracks[kMAXTRACKSPERRICHDIGIT]; |
354 | Int_t charges[kMAXTRACKSPERRICHDIGIT]; | |
355 | Int_t nentries=fList->GetEntriesFast(); | |
d8a72780 | 356 | |
b762c2f6 | 357 | for (Int_t nent=0;nent<nentries;nent++) { |
358 | AliRICHTransientDigit *transDigit=(AliRICHTransientDigit*)fList->At(nent); | |
359 | if (transDigit==0) continue; | |
360 | Int_t ich=transDigit->GetChamber(); | |
361 | Int_t q=transDigit->Signal(); | |
362 | iChamber=&(pRICH->Chamber(ich)); | |
363 | AliRICHResponse * response=iChamber->GetResponseModel(); | |
364 | Int_t adcmax= (Int_t) response->MaxAdc(); | |
d8a72780 | 365 | |
d8a72780 | 366 | |
b762c2f6 | 367 | // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2) |
368 | //printf("Treshold: %d\n",iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY())); | |
369 | Int_t pedestal = iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY()); | |
d8a72780 | 370 | |
b762c2f6 | 371 | //printf("Pedestal:%d\n",pedestal); |
372 | //Int_t pedestal=0; | |
373 | Float_t treshold = (pedestal + 4*2.2); | |
d8a72780 | 374 | |
b762c2f6 | 375 | Float_t meanNoise = gRandom->Gaus(2.2, 0.3); |
376 | Float_t noise = gRandom->Gaus(0, meanNoise); | |
377 | q+=(Int_t)(noise + pedestal); | |
378 | //q+=(Int_t)(noise); | |
379 | // magic number to be parametrised !!! | |
380 | if ( q <= treshold) | |
381 | { | |
d8a72780 | 382 | q = q - pedestal; |
b762c2f6 | 383 | continue; |
384 | } | |
385 | q = q - pedestal; | |
386 | if ( q >= adcmax) q=adcmax; | |
387 | fDigits[0]=transDigit->PadX(); | |
388 | fDigits[1]=transDigit->PadY(); | |
389 | fDigits[2]=q; | |
390 | fDigits[3]=transDigit->Physics(); | |
391 | fDigits[4]=transDigit->Hit(); | |
392 | ||
393 | Int_t nptracks = transDigit->GetNTracks(); | |
394 | ||
395 | // this was changed to accomodate the real number of tracks | |
396 | if (nptracks > kMAXTRACKSPERRICHDIGIT) { | |
397 | printf("Attention - tracks > 10 %d\n",nptracks); | |
398 | nptracks=kMAXTRACKSPERRICHDIGIT; | |
399 | } | |
400 | if (nptracks > 2) { | |
401 | printf("Attention - tracks > 2 %d \n",nptracks); | |
402 | //printf("cat,ich,ix,iy,q %d %d %d %d %d \n", | |
403 | //icat,ich,digits[0],digits[1],q); | |
404 | } | |
405 | for (Int_t tr=0;tr<nptracks;tr++) { | |
406 | tracks[tr]=transDigit->GetTrack(tr); | |
407 | charges[tr]=transDigit->GetCharge(tr); | |
408 | } //end loop over list of tracks for one pad | |
409 | if (nptracks < kMAXTRACKSPERRICHDIGIT ) { | |
410 | for (Int_t t=nptracks; t<kMAXTRACKSPERRICHDIGIT; t++) { | |
411 | tracks[t]=0; | |
412 | charges[t]=0; | |
d8a72780 | 413 | } |
b762c2f6 | 414 | } |
415 | //write file | |
416 | //if (ich==2) | |
417 | //fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]); | |
d8a72780 | 418 | |
b762c2f6 | 419 | // fill digits |
420 | pRICH->AddDigits(ich,tracks,charges,fDigits); | |
421 | } | |
422 | gAlice->TreeD()->Fill(); | |
423 | ||
424 | fList->Delete(); | |
425 | for(Int_t ii=0;ii<kNCH;++ii) { | |
426 | if (fHitMap[ii]) { | |
427 | delete fHitMap[ii]; | |
428 | fHitMap[ii]=0; | |
d8a72780 | 429 | } |
b762c2f6 | 430 | } |
d8a72780 | 431 | |
b762c2f6 | 432 | TClonesArray *richDigits; |
433 | for (Int_t k=0;k<kNCH;k++) { | |
434 | richDigits = pRICH->DigitsAddress(k); | |
435 | Int_t ndigit=richDigits->GetEntriesFast(); | |
436 | printf ("Chamber %d digits %d \n",k,ndigit); | |
437 | } | |
438 | pRICH->ResetDigits(); /// ??? should it be here??? | |
439 | gAlice->TreeD()->Write(0,TObject::kOverwrite); | |
440 | // reset tree | |
441 | // gAlice->TreeD()->Reset(); | |
442 | // delete fList; // deleted in dtor | |
443 | // gObjectTable->Print(); | |
d8a72780 | 444 | |
445 | } |