1 /**************************************************************************
2 * Copyright(c) 1998-2000, 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 Revision 1.4 2001/10/21 18:31:24 hristov
19 Several pointers were set to zero in the default constructors to avoid memory management problems
21 Revision 1.3 2001/05/16 14:57:20 alibrary
22 New files for folders and Stack
24 Revision 1.2 2001/03/14 18:16:08 jbarbosa
25 Corrected bug (more to correct).
26 File "points.dat" is no longer created.
28 Revision 1.1 2001/02/27 22:13:34 jbarbosa
29 Implementing merger class.
36 #include <TObjArray.h>
38 #include <TDirectory.h>
39 #include <TParticle.h>
42 // #include "AliMerger.h"
43 // #include "AliMergable.h"
44 #include "AliRICHMerger.h"
45 #include "AliRICHChamber.h"
46 #include "AliHitMap.h"
47 #include "AliRICHHitMapA1.h"
49 #include "AliRICHHit.h"
50 #include "AliRICHSDigit.h"
51 #include "AliRICHDigit.h"
52 #include "AliRICHTransientDigit.h"
56 ClassImp(AliRICHMerger)
58 //___________________________________________
59 AliRICHMerger::AliRICHMerger()
61 // Default constructor
77 //------------------------------------------------------------------------
78 AliRICHMerger::~AliRICHMerger()
81 if (fTrH1) delete fTrH1;
82 if (fHitsBgr) delete fHitsBgr;
83 if (fSDigitsBgr) delete fSDigitsBgr;
84 if (fHitMap) delete fHitMap;
85 if (fList) delete fList;
86 if (fAddress) delete fAddress;
89 //------------------------------------------------------------------------
90 Bool_t AliRICHMerger::Exists(const AliRICHSDigit *mergable)
92 AliRICHSDigit *padhit = (AliRICHSDigit*) mergable;
93 return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY()));
96 //------------------------------------------------------------------------
97 void AliRICHMerger::Update(AliRICHSDigit *mergable)
99 AliRICHSDigit *padhit = (AliRICHSDigit*) mergable;
100 AliRICHTransientDigit* pdigit;
101 Int_t ipx = padhit->PadX(); // pad number on X
102 Int_t ipy = padhit->PadY(); // pad number on Y
103 Int_t iqpad = Int_t(padhit->QPad()); // charge per pad
105 pdigit = (AliRICHTransientDigit*) fHitMap[fNch]->GetHit(ipx, ipy);
108 (*pdigit).AddSignal(iqpad);
109 (*pdigit).AddPhysicsSignal(iqpad);
110 // update list of tracks
112 TObjArray* digitTrList = (TObjArray*)pdigit->TrackList();
113 Int_t lastEntry = digitTrList->GetLast();
114 TVector *pTrack = (TVector*)digitTrList->At(lastEntry);
115 TVector &ptrk = *pTrack;
116 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
117 Int_t lastTrack = Int_t(ptrk(0));
119 if (trinfo(0) != kBgTag) {
120 if (lastTrack == fTrack) {
121 Int_t lastCharge = Int_t(ptrk(1));
123 digitTrList->RemoveAt(lastEntry);
124 trinfo(1) = lastCharge;
125 digitTrList->AddAt(&trinfo,lastEntry);
127 digitTrList->Add(&trinfo);
130 if (lastTrack != -1) digitTrList->Add(&trinfo);
134 //------------------------------------------------------------------------
135 void AliRICHMerger::CreateNew(AliRICHSDigit *mergable)
137 AliRICHSDigit *padhit = (AliRICHSDigit*) mergable;
138 AliRICHTransientDigit* pdigit;
140 Int_t ipx = padhit->PadX(); // pad number on X
141 Int_t ipy = padhit->PadY(); // pad number on Y
142 fList->AddAtAndExpand(
143 new AliRICHTransientDigit(fNch,fDigits),fCounter);
144 fHitMap[fNch]->SetHit(ipx, ipy, fCounter);
146 pdigit = (AliRICHTransientDigit*)fList->At(fList->GetLast());
148 TObjArray *digitTrList = (TObjArray*)pdigit->TrackList();
149 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
150 digitTrList->Add(&trinfo);
154 //------------------------------------------------------------------------
155 void AliRICHMerger::Init()
159 if (fMerge) fBgrFile = InitBgr();
164 //------------------------------------------------------------------------
165 TFile* AliRICHMerger::InitBgr()
167 // Initialise background event
168 TFile *file = new TFile(fFnBgr);
169 // add error checking later
170 printf("\n AliRICHMerger has opened %s file with background event \n", fFnBgr);
171 fHitsBgr = new TClonesArray("AliRICHHit",1000);
172 fSDigitsBgr = new TClonesArray("AliRICHSDigit",1000);
176 //------------------------------------------------------------------------
177 void AliRICHMerger::Digitise(Int_t nev, Int_t flag)
180 // keep galice.root for signal and name differently the file for
181 // background when add! otherwise the track info for signal will be lost !
185 //FILE* points; //these will be the digits...
187 //points=fopen("points.dat","w");
189 AliRICHChamber* iChamber;
190 AliSegmentation* segmentation;
197 AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
198 AliHitMap* pHitMap[10];
200 for (i=0; i<10; i++) {pHitMap[i]=0;}
206 // Get Hits Tree header from file
207 if(fHitsBgr) fHitsBgr->Clear();
208 if(fSDigitsBgr) fSDigitsBgr->Clear();
209 if(fTrH1) delete fTrH1;
213 sprintf(treeName,"TreeH%d",fEvNrBgr);
214 fTrH1 = (TTree*)gDirectory->Get(treeName);
216 printf("ERROR: cannot find Hits Tree for event:%d\n",fEvNrBgr);
219 // Set branch addresses
222 sprintf(branchname,"%s",pRICH->GetName());
223 if (fTrH1 && fHitsBgr) {
224 branch = fTrH1->GetBranch(branchname);
225 if (branch) branch->SetAddress(&fHitsBgr);
227 if (fTrH1 && fSDigitsBgr) {
228 branch = fTrH1->GetBranch("RICHSDigits");
229 if (branch) branch->SetAddress(&fSDigitsBgr);
235 for (i =0; i<kNCH; i++) {
236 iChamber= &(pRICH->Chamber(i));
237 segmentation=iChamber->GetSegmentationModel(1);
238 pHitMap[i] = new AliRICHHitMapA1(segmentation, fList);
244 TTree *treeH = gAlice->TreeH();
245 Int_t ntracks =(Int_t) treeH->GetEntries();
246 for (Int_t track=0; track<ntracks; track++) {
248 treeH->GetEvent(track);
251 for(AliRICHHit* mHit=(AliRICHHit*)pRICH->FirstHit(-1);
253 mHit=(AliRICHHit*)pRICH->NextHit())
256 Int_t nch = mHit->Chamber()-1; // chamber number
257 Int_t index = mHit->Track();
258 if (nch >kNCH) continue;
259 iChamber = &(pRICH->Chamber(nch));
261 TParticle *current = (TParticle*)gAlice->Particle(index);
263 if (current->GetPdgCode() >= 50000050)
265 TParticle *motherofcurrent = (TParticle*)gAlice->Particle(current->GetFirstMother());
266 particle = motherofcurrent->GetPdgCode();
270 particle = current->GetPdgCode();
274 //printf("Flag:%d\n",flag);
275 //printf("Track:%d\n",track);
276 //printf("Particle:%d\n",particle);
281 if(TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
285 if(TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310
286 || TMath::Abs(particle)==311)
289 if (flag == 3 && TMath::Abs(particle)==2212)
292 if (flag == 4 && TMath::Abs(particle)==13)
295 if (flag == 5 && TMath::Abs(particle)==11)
298 if (flag == 6 && TMath::Abs(particle)==2112)
302 //printf ("Particle: %d, Flag: %d, Digitise: %d\n",particle,flag,digitise);
309 // Loop over pad hits
310 for (AliRICHSDigit* mPad=
311 (AliRICHSDigit*)pRICH->FirstPad(mHit,pRICH->SDigits());
313 mPad=(AliRICHSDigit*)pRICH->NextPad(pRICH->SDigits()))
315 Int_t ipx = mPad->fPadX; // pad number on X
316 Int_t ipy = mPad->fPadY; // pad number on Y
317 Int_t iqpad = mPad->fQpad; // charge per pad
320 //printf("X:%d, Y:%d, Q:%d\n",ipx,ipy,iqpad);
322 segmentation=iChamber->GetSegmentationModel(0);
323 TVector & trinfo = *(new TVector(2));
324 trinfo(0)=(Float_t)track;
325 trinfo(1)=(Float_t)iqpad;
331 AliRICHTransientDigit* pdigit;
332 // build the list of fired pads and update the info
333 if (!pHitMap[nch]->TestHit(ipx, ipy)) {
334 fList->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
335 pHitMap[nch]->SetHit(ipx, ipy, counter);
337 pdigit=(AliRICHTransientDigit*)fList->At(fList->GetLast());
339 TObjArray *trlist=(TObjArray*)pdigit->TrackList();
340 trlist->Add(&trinfo);
342 pdigit=(AliRICHTransientDigit*) pHitMap[nch]->GetHit(ipx, ipy);
344 // (*pdigit).fSignal+=iqpad;
345 pdigit->AddSignal(iqpad);
346 // update list of tracks
347 TObjArray* trlist=(TObjArray*)pdigit->TrackList();
348 Int_t lastEntry=trlist->GetLast();
349 TVector *ptrkP=(TVector*)trlist->At(lastEntry);
350 TVector &ptrk=*ptrkP;
351 Int_t lastTrack=Int_t(ptrk(0));
352 Int_t lastCharge=Int_t(ptrk(1));
353 if (lastTrack==track) {
355 trlist->RemoveAt(lastEntry);
357 trinfo(1)=lastCharge;
358 trlist->AddAt(&trinfo,lastEntry);
360 trlist->Add(&trinfo);
362 // check the track list
363 Int_t nptracks=trlist->GetEntriesFast();
365 printf("Attention - tracks: %d (>2)\n",nptracks);
366 //printf("cat,nch,ix,iy %d %d %d %d \n",icat+1,nch,ipx,ipy);
367 for (Int_t tr=0;tr<nptracks;tr++) {
368 TVector *pptrkP=(TVector*)trlist->At(tr);
369 TVector &pptrk=*pptrkP;
370 trk[tr]=Int_t(pptrk(0));
371 chtrk[tr]=Int_t(pptrk(1));
375 } //end loop over clusters
376 }// track type condition
380 // open the file with background
383 ntracks = (Int_t)fTrH1->GetEntries();
387 for (fTrack = 0; fTrack < ntracks; fTrack++) {
389 if (fHitsBgr) fHitsBgr->Clear();
390 if (fSDigitsBgr) fSDigitsBgr->Clear();
392 fTrH1->GetEvent(fTrack);
396 for(int i = 0; i < fHitsBgr->GetEntriesFast(); ++i)
398 mHit = (AliRICHHit*) (*fHitsBgr)[i];
399 fNch = mHit->Chamber()-1; // chamber number
400 iChamber = &(pRICH->Chamber(fNch));
401 //Float_t xbgr = mHit->X();
402 //Float_t ybgr = mHit->Y();
403 Bool_t cond = kFALSE;
406 // Loop over pad hits
407 for (AliRICHSDigit* mPad =
408 (AliRICHSDigit*)pRICH->FirstPad(mHit,fSDigitsBgr);
410 mPad = (AliRICHSDigit*)pRICH->NextPad(fSDigitsBgr))
412 Int_t ipx = mPad->PadX(); // pad number on X
413 Int_t ipy = mPad->PadY(); // pad number on Y
414 Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
416 new((*fAddress)[fCountadr++]) TVector(2);
417 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
418 trinfo(0) = kBgTag; // tag background
425 // build the list of fired pads and update the info
431 } //end loop over clusters
435 TTree *fAli = gAlice->TreeK();
438 if (fAli) file = fAli->GetCurrentFile();
444 //cout<<"Start filling digits \n "<<endl;
445 Int_t nentries=fList->GetEntriesFast();
446 printf(" \n \n nentries %d \n",nentries);
448 // start filling the digits
450 for (Int_t nent=0;nent<nentries;nent++) {
451 AliRICHTransientDigit *transDigit=(AliRICHTransientDigit*)fList->At(nent);
452 if (transDigit==0) continue;
454 Int_t ich=transDigit->GetChamber();
455 Int_t q=transDigit->Signal();
456 iChamber=&(pRICH->Chamber(ich));
457 AliRICHResponse * response=iChamber->GetResponseModel();
458 Int_t adcmax= (Int_t) response->MaxAdc();
461 // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2)
462 //printf("Treshold: %d\n",iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY()));
463 Int_t pedestal = iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY());
465 //printf("Pedestal:%d\n",pedestal);
467 Float_t treshold = (pedestal + 4*2.2);
469 Float_t meanNoise = gRandom->Gaus(2.2, 0.3);
470 Float_t noise = gRandom->Gaus(0, meanNoise);
471 q+=(Int_t)(noise + pedestal);
473 // magic number to be parametrised !!!
480 if ( q >= adcmax) q=adcmax;
481 digits[0]=transDigit->PadX();
482 digits[1]=transDigit->PadY();
485 TObjArray* trlist=(TObjArray*)transDigit->TrackList();
486 Int_t nptracks=trlist->GetEntriesFast();
488 // this was changed to accomodate the real number of tracks
490 printf("Attention - tracks > 10 %d\n",nptracks);
494 printf("Attention - tracks > 2 %d \n",nptracks);
495 //printf("cat,ich,ix,iy,q %d %d %d %d %d \n",
496 //icat,ich,digits[0],digits[1],q);
498 for (Int_t tr=0;tr<nptracks;tr++) {
499 TVector *ppP=(TVector*)trlist->At(tr);
501 tracks[tr]=Int_t(pp(0));
502 charges[tr]=Int_t(pp(1));
503 } //end loop over list of tracks for one pad
504 if (nptracks < 10 ) {
505 for (Int_t t=nptracks; t<10; t++) {
512 //fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]);
515 pRICH->AddDigits(ich,tracks,charges,digits);
517 gAlice->TreeD()->Fill();
520 for(Int_t ii=0;ii<kNCH;++ii) {
528 //TTree *TD=gAlice->TreeD();
529 //Stat_t ndig=TD->GetEntries();
530 //cout<<"number of digits "<<ndig<<endl;
532 for (int k=0;k<kNCH;k++) {
533 fDch= pRICH->DigitsAddress(k);
534 int ndigit=fDch->GetEntriesFast();
535 printf ("Chamber %d digits %d \n",k,ndigit);
537 pRICH->ResetDigits();
539 // sprintf(hname,"TreeD%d",nev);
540 // gAlice->TreeD()->Write(hname);
541 gAlice->TreeD()->Write(0,TObject::kOverwrite);
543 // gAlice->TreeD()->Reset();
544 // delete fList; // deleted in dtor
545 // gObjectTable->Print();