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 1.1 2001/11/02 15:37:26 hristov
19 Digitizer class created. Code cleaning and bug fixes (J.Chudoba)
24 #include <TObjArray.h>
26 #include <TDirectory.h>
27 #include <TParticle.h>
29 #include "AliRICHDigitizer.h"
30 #include "AliRICHChamber.h"
31 #include "AliHitMap.h"
32 #include "AliRICHHitMapA1.h"
34 #include "AliRICHHit.h"
35 #include "AliRICHSDigit.h"
36 #include "AliRICHDigit.h"
37 #include "AliRICHTransientDigit.h"
40 #include "AliRunDigitizer.h"
42 ClassImp(AliRICHDigitizer)
44 //___________________________________________
45 AliRICHDigitizer::AliRICHDigitizer()
47 // Default constructor - don't use it
54 ////////////////////////////////////////////////////////////////////////
55 AliRICHDigitizer::AliRICHDigitizer(AliRunDigitizer* manager)
56 :AliDigitizer(manager)
58 // ctor which should be used
65 cerr<<"AliRICHDigitizer::AliRICHDigitizer"
66 <<"(AliRunDigitizer* manager) was processed"<<endl;
69 ////////////////////////////////////////////////////////////////////////
70 AliRICHDigitizer::~AliRICHDigitizer()
73 if (fHits) delete fHits;
74 if (fSDigits) delete fSDigits;
75 if (fHitMap) delete fHitMap;
76 if (fTDList) delete fTDList;
79 //------------------------------------------------------------------------
80 Bool_t AliRICHDigitizer::Exists(const AliRICHSDigit *padhit)
82 return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY()));
85 //------------------------------------------------------------------------
86 void AliRICHDigitizer::Update(AliRICHSDigit *padhit)
88 AliRICHTransientDigit *pdigit =
89 static_cast<AliRICHTransientDigit*>(
90 fHitMap[fNch]->GetHit(padhit->PadX(),padhit->PadY()));
94 Int_t iqpad = Int_t(padhit->QPad()); // charge per pad
95 pdigit->AddSignal(iqpad);
96 pdigit->AddPhysicsSignal(iqpad);
98 // update list of tracks
101 track = fTrack+fMask;
107 pdigit->UpdateTrackList(track,charge);
110 //------------------------------------------------------------------------
111 void AliRICHDigitizer::CreateNew(AliRICHSDigit *padhit)
113 fTDList->AddAtAndExpand(
114 new AliRICHTransientDigit(fNch,fDigits),fCounter);
115 fHitMap[fNch]->SetHit(padhit->PadX(),padhit->PadY(),fCounter);
117 AliRICHTransientDigit* pdigit =
118 static_cast<AliRICHTransientDigit*>(fTDList->Last());
123 charge = padhit->QPad();
128 pdigit->AddToTrackList(track,charge);
133 ////////////////////////////////////////////////////////////////////////
134 Bool_t AliRICHDigitizer::Init()
137 fHits = new TClonesArray("AliRICHHit",1000);
138 fSDigits = new TClonesArray("AliRICHSDigit",1000);
142 ////////////////////////////////////////////////////////////////////////
143 //void AliRICHDigitizer::Digitise(Int_t nev, Int_t flag)
144 void AliRICHDigitizer::Exec(Option_t* option)
146 TString optionString = option;
147 if (optionString.Data() == "deb") {
148 cout<<"AliMUONDigitizer::Exec: called with option deb "<<endl;
152 AliRICHChamber* iChamber;
153 AliSegmentation* segmentation;
155 fTDList = new TObjArray;
157 AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
158 pRICH->MakeBranchInTreeD(fManager->GetTreeD());
159 fHitMap= new AliHitMap* [kNCH];
161 for (Int_t i =0; i<kNCH; i++) {
162 iChamber= &(pRICH->Chamber(i));
163 segmentation=iChamber->GetSegmentationModel(1);
164 fHitMap[i] = new AliRICHHitMapA1(segmentation, fTDList);
167 // Loop over files to digitize
170 for (Int_t inputFile=0; inputFile<fManager->GetNinputs();
173 // Connect RICH branches
175 if (inputFile > 0 ) fSignal = kFALSE;
176 TBranch *branchHits = 0;
177 TBranch *branchSDigits = 0;
178 TTree *treeH = fManager->GetInputTreeH(inputFile);
180 cerr<<" inputFile "<<inputFile<<endl;
181 cerr<<" treeH, fHits "<<treeH<<" "<<fHits<<endl;
183 if (treeH && fHits) {
184 branchHits = treeH->GetBranch("RICH");
187 branchHits->SetAddress(&fHits);
190 Error("Exec","branch RICH was not found");
192 if (GetDebug()>2) cerr<<" branchHits = "<<branchHits<<endl;
194 if (treeH && fSDigits) {
195 branchSDigits = treeH->GetBranch("RICHSDigits");
197 branchSDigits->SetAddress(&fSDigits);
199 Error("exec","branch RICHSDigits was not found");
201 if (GetDebug()>2) cerr<<" branchSDigits = "<<branchSDigits<<endl;
208 Int_t ntracks =(Int_t) treeH->GetEntries();
209 for (fTrack=0; fTrack<ntracks; fTrack++) {
212 branchHits->GetEntry(fTrack);
213 branchSDigits->GetEntry(fTrack);
218 for(Int_t i = 0; i < fHits->GetEntriesFast(); ++i) {
219 AliRICHHit* mHit = static_cast<AliRICHHit*>(fHits->At(i));
220 fNch = mHit->Chamber()-1; // chamber number
222 cerr<<"AliRICHDigitizer: chamber nr. fNch out of range: "<<fNch<<endl;
223 cerr<<" track: "<<fTrack<<endl;
226 iChamber = &(pRICH->Chamber(fNch));
229 // Loop over pad hits
230 for (AliRICHSDigit* mPad=
231 (AliRICHSDigit*)pRICH->FirstPad(mHit,fSDigits);
233 mPad=(AliRICHSDigit*)pRICH->NextPad(fSDigits))
235 Int_t iqpad = mPad->QPad(); // charge per pad
236 fDigits[0]=mPad->PadX();
237 fDigits[1]=mPad->PadY();
240 fDigits[4]=mPad->HitNumber();
242 // build the list of fired pads and update the info
248 } //end loop over clusters
252 if (GetDebug()>2) cerr<<"END OF FILE LOOP"<<endl;
254 Int_t tracks[kMAXTRACKSPERRICHDIGIT];
255 Int_t charges[kMAXTRACKSPERRICHDIGIT];
256 Int_t nentries=fTDList->GetEntriesFast();
258 for (Int_t nent=0;nent<nentries;nent++) {
259 AliRICHTransientDigit *transDigit=(AliRICHTransientDigit*)fTDList->At(nent);
260 if (transDigit==0) continue;
261 Int_t ich=transDigit->GetChamber();
262 Int_t q=transDigit->Signal();
263 iChamber=&(pRICH->Chamber(ich));
264 AliRICHResponse * response=iChamber->GetResponseModel();
265 Int_t adcmax= (Int_t) response->MaxAdc();
268 // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2)
269 //printf("Treshold: %d\n",iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY()));
272 // Int_t pedestal = iChamber->fTresh->GetHitIndex(transDigit->PadX(),transDigit->PadY());
276 //printf("Pedestal:%d\n",pedestal);
278 Float_t treshold = (pedestal + 4*2.2);
280 Float_t meanNoise = gRandom->Gaus(2.2, 0.3);
281 Float_t noise = gRandom->Gaus(0, meanNoise);
282 q+=(Int_t)(noise + pedestal);
284 // magic number to be parametrised !!!
291 if ( q >= adcmax) q=adcmax;
292 fDigits[0]=transDigit->PadX();
293 fDigits[1]=transDigit->PadY();
295 fDigits[3]=transDigit->Physics();
296 fDigits[4]=transDigit->Hit();
298 Int_t nptracks = transDigit->GetNTracks();
300 // this was changed to accomodate the real number of tracks
301 if (nptracks > kMAXTRACKSPERRICHDIGIT) {
302 printf("Attention - tracks > 10 %d\n",nptracks);
303 nptracks=kMAXTRACKSPERRICHDIGIT;
306 printf("Attention - tracks > 2 %d \n",nptracks);
308 for (Int_t tr=0;tr<nptracks;tr++) {
309 tracks[tr]=transDigit->GetTrack(tr);
310 charges[tr]=transDigit->GetCharge(tr);
311 } //end loop over list of tracks for one pad
312 if (nptracks < kMAXTRACKSPERRICHDIGIT ) {
313 for (Int_t t=nptracks; t<kMAXTRACKSPERRICHDIGIT; t++) {
320 //fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]);
323 pRICH->AddDigits(ich,tracks,charges,fDigits);
325 fManager->GetTreeD()->Fill();
327 pRICH->ResetDigits();
328 fTDList->Delete(); // or fTDList->Clear(); ???
329 for(Int_t ii=0;ii<kNCH;++ii) {
336 TClonesArray *richDigits;
337 for (Int_t k=0;k<kNCH;k++) {
338 richDigits = pRICH->DigitsAddress(k);
339 Int_t ndigit=richDigits->GetEntriesFast();
340 printf ("Chamber %d digits %d \n",k,ndigit);
342 pRICH->ResetDigits(); /// ??? should it be here???
343 fManager->GetTreeD()->Write(0,TObject::kOverwrite);
347 if (fHits) fHits->Delete();
348 if (fSDigits) fSDigits->Delete();