Pedestals in OCDB + minors
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDReconstructor.cxx
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d3da6dc4 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 **************************************************************************/
423554a3 15//.
16// HMPID base class to reconstruct an event
17//.
18//.
19//.
d3da6dc4 20#include "AliHMPIDReconstructor.h" //class header
21#include "AliHMPID.h" //Reconstruct()
a1d55ff3 22#include "AliHMPIDCluster.h" //Dig2Clu()
d3da6dc4 23#include "AliHMPIDParam.h" //FillEsd()
a0e5c1b9 24#include <AliCDBEntry.h> //ctor
25#include <AliCDBManager.h> //ctor
26#include <AliESD.h> //FillEsd()
27#include <AliRawReader.h> //Reconstruct() for raw digits
d3da6dc4 28ClassImp(AliHMPIDReconstructor)
29
30//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
a0e5c1b9 31AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fUserCut(0),fDaqSig(0),fDig(0),fClu(0)
94b1fbfa 32{
33//
34//ctor
35//
a0e5c1b9 36
37 fClu=new TObjArray(AliHMPIDDigit::kMaxCh+1); fClu->SetOwner(kTRUE);
38 fDig=new TObjArray(AliHMPIDDigit::kMaxCh+1); fDig->SetOwner(kTRUE);
39
94b1fbfa 40 for(int i=AliHMPIDDigit::kMinCh;i<=AliHMPIDDigit::kMaxCh;i++){
41 fDig->AddAt(new TClonesArray("AliHMPIDDigit"),i);
42 fClu->AddAt(new TClonesArray("AliHMPIDCluster"),i);
43 }
a0e5c1b9 44
45 AliCDBManager::Instance()->SetDefaultStorage("local://$HOME");
46
47 AliCDBEntry *pUserCutEnt =AliCDBManager::Instance()->Get("HMPID/Calib/UserCut"); //contains TObjArray of 14 TObject with n. of sigmas to cut charge
48 if(!pUserCutEnt) return; //No request from User to apply a more severe cut on pad charge
49
50 fUserCut = pUserCutEnt->GetObject()->GetUniqueID();
51
52 Printf(" usercut %i ",fUserCut);
53
54 AliCDBEntry *pDaqCutEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSigCut"); //contains TObjArray of 14 TObject with n. of sigmas to cut charge
55 if(!pDaqCutEnt) AliFatal("No pedestal sigmas cut!");
56 TObjArray *pDaqCut = (TObjArray*)pDaqCutEnt->GetObject();
57
58
59 for(Int_t ddl=0;ddl<14;ddl++){
60 if(fUserCut<=(Int_t)pDaqCut->At(ddl)->GetUniqueID()) continue;
61 AliCDBEntry *pDaqSigEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSig"); //contains TObjArray of TObjArray 14 TMatrixF sigmas values for pads
62 if(!pDaqSigEnt) AliFatal("No pedestals from DAQ!");
63 TObjArray *pDaqSig = (TObjArray*)pDaqSigEnt->GetObject();
64 SigConv(pDaqSig);
65 break;
66 }
94b1fbfa 67}//AliHMPIDReconstructor
68//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
a0e5c1b9 69void AliHMPIDReconstructor::SigConv(TObjArray *pDaqSig)
70{
71// Conversion from the pedestal objects in to 7 TMatrixF(padX,padY)
72//Arguments: pDaqSig pointer to the pedestal objects from OCDB
73// Returs: none
74//
75 fDaqSig = new TObjArray(AliHMPIDDigit::kMaxCh+1);fDaqSig->SetOwner(kTRUE);
76
77 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) fDaqSig->AddAt(new TMatrixF(1,10,0,47),iCh);
78
79 AliHMPIDDigit dig;
80
81 for(Int_t ddl=0;ddl<=13;ddl++){
82 for(Int_t row=1;row<=24;row++)
83 for(Int_t dil=1;dil<=10;dil++)
84 for(Int_t adr=0;adr<=47;adr++){
85 TObjArray *pDdl = (TObjArray*)pDaqSig->At(ddl);
86 TObjArray *pRow = (TObjArray*)pDdl->At(row-1);
87 TMatrixF *pM = (TMatrixF*)pRow;
88 Float_t sigma = (*pM)(dil,adr);
89 dig.Raw(ddl,row,dil,adr);
90 TMatrixF* pMConv = (TMatrixF*)(fDaqSig->At(dig.Ch()));
91 (*pMConv)(dig.PadChX(),dig.PadChY()) = sigma;
92 }
93 }
94}//SigConv()
95//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3c6274c1 96void AliHMPIDReconstructor::Dig2Clu(TObjArray *pDigAll,TObjArray *pCluAll,Bool_t isTryUnfold)
d3da6dc4 97{
98// Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber.
99// Puts all found clusters in separate lists, one per clusters.
3c6274c1 100// Arguments: pDigAll - list of digits for all chambers
101// pCluAll - list of clusters for all chambers
d3da6dc4 102// isTryUnfold - flag to choose between CoG and Mathieson fitting
103// Returns: none
a1d55ff3 104 TMatrixF padMap(AliHMPIDDigit::kMinPx,AliHMPIDDigit::kMaxPcx,AliHMPIDDigit::kMinPy,AliHMPIDDigit::kMaxPcy); //pads map for single chamber 0..159 x 0..143
3c6274c1 105
a1d55ff3 106 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++){ //chambers loop
3c6274c1 107 TClonesArray *pDigCur=(TClonesArray*)pDigAll->At(iCh); //get list of digits for current chamber
108 if(pDigCur->GetEntriesFast()==0) continue; //no digits for current chamber
d3da6dc4 109
3c6274c1 110 padMap=(Float_t)-1; //reset map to -1 (means no digit for this pad)
111 TClonesArray *pCluCur=(TClonesArray*)pCluAll->At(iCh); //get list of clusters for current chamber
112
113 for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop to fill pads map
114 AliHMPIDDigit *pDig= (AliHMPIDDigit*)pDigCur->At(iDig); //get current digit
115 padMap( pDig->PadChX(), pDig->PadChY() )=iDig; //fill the map, (padx,pady) cell takes digit index
116 }//digits loop to fill digits map
117
118 AliHMPIDCluster clu; //tmp cluster to be used as current
3c6274c1 119 for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop for current chamber
120 AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCur->At(iDig); //take current digit
121 if(!(pDig=UseDig(pDig->PadChX(),pDig->PadChY(),pDigCur,&padMap))) continue; //this digit is already taken in FormClu(), go after next digit
122 FormClu(&clu,pDig,pDigCur,&padMap); //form cluster starting from this digit by recursion
123
124 clu.Solve(pCluCur,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list
125 clu.Reset(); //empty current cluster
126 }//digits loop for current chamber
127 }//chambers loop
d3da6dc4 128}//Dig2Clu()
129//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
130void AliHMPIDReconstructor::FormClu(AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pDigMap)
131{
a1d55ff3 132// Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit then calls itself recursevly for all neighbours.
d3da6dc4 133// Arguments: pClu - pointer to cluster being formed
a1d55ff3 134// Returns: none
d3da6dc4 135 pClu->DigAdd(pDig);//take this digit in cluster
136
3c6274c1 137 Int_t cnt=0,cx[4],cy[4];
d3da6dc4 138
a1d55ff3 139 if(pDig->PadPcX() != AliHMPIDDigit::kMinPx){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY() ;cnt++;} //left
140 if(pDig->PadPcX() != AliHMPIDDigit::kMaxPx){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY() ;cnt++;} //right
141 if(pDig->PadPcY() != AliHMPIDDigit::kMinPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()-1;cnt++;} //down
142 if(pDig->PadPcY() != AliHMPIDDigit::kMaxPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()+1;cnt++;} //up
d3da6dc4 143
a1d55ff3 144 for (Int_t i=0;i<cnt;i++){//neighbours loop
3c6274c1 145 if((pDig=UseDig(cx[i],cy[i],pDigLst,pDigMap))) FormClu(pClu,pDig,pDigLst,pDigMap); //check if this neighbour pad fired and mark it as taken
a1d55ff3 146 }//neighbours loop
d3da6dc4 147}//FormClu()
148//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
94b1fbfa 149void AliHMPIDReconstructor::Reconstruct(TTree *pDigTree,TTree *pCluTree)const
d3da6dc4 150{
151//Invoked by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data
94b1fbfa 152//Arguments: pDigTree - pointer to Digit tree
153// pCluTree - poitner to Cluster tree
d3da6dc4 154// Returns: none
155 AliDebug(1,"Start.");
94b1fbfa 156 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) {
157 pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),4000,0);
158 pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh]));
159 }
160 pDigTree->GetEntry(0);
161 Dig2Clu(fDig,fClu); //cluster finder
162 pCluTree->Fill(); //fill tree for current event
163
164 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++){
165 fDig->At(iCh)->Clear();
166 fClu->At(iCh)->Clear();
167 }
d3da6dc4 168
d3da6dc4 169 AliDebug(1,"Stop.");
170}//Reconstruct(for simulated digits)
a1d55ff3 171//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 172void AliHMPIDReconstructor::Reconstruct(AliRunLoader *pAL,AliRawReader* pRR)const
173{
174//Invoked by AliReconstruction to convert raw digits from DDL files to clusters
175//Arguments: pAL - ALICE run loader pointer
94b1fbfa 176// pRR - ALICE raw reader pointer
177// Returns: none
d3da6dc4 178 AliLoader *pRL=pAL->GetDetectorLoader("HMPID"); AliHMPID *pRich=(AliHMPID*)pAL->GetAliRun()->GetDetector("HMPID");//get pointers for HMPID and HMPID loader
94b1fbfa 179
d3da6dc4 180 AliHMPIDDigit dig; //tmp digit, raw digit will be converted to it
94b1fbfa 181
182 TObjArray digLst; Int_t iDigCnt[7]; for(Int_t i=0;i<7;i++){digLst.AddAt(new TClonesArray("AliHMPIDDigit"),i); iDigCnt[i]=0;} //tmp list of digits for allchambers
183
d3da6dc4 184 Int_t iEvtN=0;
185 while(pRR->NextEvent()){//events loop
186 pAL->GetEvent(iEvtN++);
187 pRL->MakeTree("R"); pRich->MakeBranch("R");
94b1fbfa 188
d3da6dc4 189 for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
94b1fbfa 190 pRR->Select("HMPID",2*iCh,2*iCh+1);//select only DDL files for the current chamber
d3da6dc4 191 UInt_t w32=0;
192 while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
193 UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
94b1fbfa 194 dig.Raw(w32,ddl);
da08475b 195 AliDebug(1,Form("Ch=%i DDL=%i raw=0x%x digit=(%3i,%3i,%3i,%3i) Q=%5.2f",iCh,ddl,w32,dig.Ch(),dig.Pc(),dig.PadPcX(),dig.PadPcY(),dig.Q()));
a0e5c1b9 196 if(!IsDigSurvive(&dig)) continue; //sigma cut test
3c6274c1 197 new((*((TClonesArray*)digLst.At(iCh)))[iDigCnt[iCh]++]) AliHMPIDDigit(dig); //add this digit to the tmp list
d3da6dc4 198 }//raw records loop
94b1fbfa 199 pRR->Reset();
d3da6dc4 200 }//chambers loop
94b1fbfa 201
3c6274c1 202 Dig2Clu(&digLst,pRich->CluLst());//cluster finder for all chambers
203 for(Int_t i=0;i<7;i++){digLst.At(i)->Delete(); iDigCnt[i]=0;} //clean up list of digits for all chambers
94b1fbfa 204
d3da6dc4 205 pRL->TreeR()->Fill(); //fill tree for current event
206 pRL->WriteRecPoints("OVERWRITE");//write out clusters for current event
207 pRich->CluReset();
94b1fbfa 208 }//events loop
209 pRL->UnloadRecPoints();
d3da6dc4 210}//Reconstruct raw data
211//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
94b1fbfa 212void AliHMPIDReconstructor::ConvertDigits(AliRawReader *pRR,TTree *pDigTree)const
213{
214//Invoked by AliReconstruction to convert raw digits from DDL files to digits
215//Arguments: pRR - ALICE raw reader pointer
216// pDigTree - pointer to Digit tree
217// Returns: none
218 AliDebug(1,"Start.");
219 AliHMPIDDigit dig; //tmp digit, raw digit will be converted to it
220 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) {
221 pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh]),4000,0);
222 pRR->Select("HMPID",2*iCh,2*iCh+1);//select only DDL files for the current chamber
223 Int_t iDigCnt=0;
224 UInt_t w32=0;
225 while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
226 UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
227 dig.Raw(w32,ddl);
228 AliDebug(1,Form("Ch=%i DDL=%i raw=0x%x digit=(%3i,%3i,%3i,%3i) Q=%5.2f",iCh,ddl,w32,dig.Ch(),dig.Pc(),dig.PadPcX(),dig.PadPcY(),dig.Q()));
a0e5c1b9 229 if(!IsDigSurvive(&dig)) continue; //sigma cut test
94b1fbfa 230 new((*((TClonesArray*)fDig->At(iCh)))[iDigCnt++]) AliHMPIDDigit(dig); //add this digit to the tmp list
231 }//raw records loop
232 pRR->Reset();
233 }//chambers loop
234 pDigTree->Fill();
235 for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++)fDig->At(iCh)->Clear();
236 AliDebug(1,"Stop.");
237}//Reconstruct digits from raw digits
238//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 239void AliHMPIDReconstructor::FillESD(AliRunLoader *, AliESD *pESD) const
240{
241// Calculates probability to be a electron-muon-pion-kaon-proton
242// from the given Cerenkov angle and momentum assuming no initial particle composition
243// (i.e. apriory probability to be the particle of the given sort is the same for all sorts)
244
245 AliPID ppp; //needed
246 Double_t pid[AliPID::kSPECIES],h[AliPID::kSPECIES];
247
248 for(Int_t iTrk=0;iTrk<pESD->GetNumberOfTracks();iTrk++){//ESD tracks loop
249 AliESDtrack *pTrk = pESD->GetTrack(iTrk);// get next reconstructed track
250 if(pTrk->GetHMPIDsignal()<=0){//HMPID does not find anything reasonable for this track, assign 0.2 for all species
251 for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++) pid[iPart]=1.0/AliPID::kSPECIES;
252 pTrk->SetHMPIDpid(pid);
253 continue;
254 }
255 Double_t pmod = pTrk->GetP();
256 Double_t hTot=0;
257 for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++){
258 Double_t mass = AliPID::ParticleMass(iPart);
259 Double_t cosThetaTh = TMath::Sqrt(mass*mass+pmod*pmod)/(AliHMPIDParam::Instance()->MeanIdxRad()*pmod);
a1d55ff3 260 if(cosThetaTh<1) //calculate the height of theoretical theta ckov on the gaus of experimental one
261 h[iPart] =TMath::Gaus(TMath::ACos(cosThetaTh),pTrk->GetHMPIDsignal(),TMath::Sqrt(pTrk->GetHMPIDchi2()),kTRUE);
d3da6dc4 262 else //beta < 1/ref. idx. => no light at all
263 h[iPart] =0 ;
264 hTot +=h[iPart]; //total height of all theoretical heights for normalization
265 }//species loop
266
267 Double_t hMin=TMath::Gaus(pTrk->GetHMPIDsignal()-4*TMath::Sqrt(pTrk->GetHMPIDchi2()),pTrk->GetHMPIDsignal(),TMath::Sqrt(pTrk->GetHMPIDchi2()),kTRUE);//5 sigma protection
268
269 for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++)//species loop to assign probabilities
270 if(hTot>hMin)
271 pid[iPart]=h[iPart]/hTot;
272 else //all theoretical values are far away from experemental one
273 pid[iPart]=1.0/AliPID::kSPECIES;
274 pTrk->SetHMPIDpid(pid);
275 }//ESD tracks loop
a1d55ff3 276}//FillESD()
d3da6dc4 277//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++