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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() |
3278403b | 23 | #include "AliHMPIDPid.h" //FillEsd() |
d3da6dc4 | 24 | #include "AliHMPIDParam.h" //FillEsd() |
a0e5c1b9 | 25 | #include <AliCDBEntry.h> //ctor |
26 | #include <AliCDBManager.h> //ctor | |
555a0dbf | 27 | #include <AliESDEvent.h> //FillEsd() |
a0e5c1b9 | 28 | #include <AliRawReader.h> //Reconstruct() for raw digits |
65201c45 | 29 | #include <AliLog.h> // |
d76c31f4 | 30 | #include "AliHMPIDRawStream.h" //ConvertDigits() |
55a829a5 | 31 | #include "AliHMPIDRecoParam.h" //ctor |
d3da6dc4 | 32 | ClassImp(AliHMPIDReconstructor) |
33 | ||
55a829a5 | 34 | AliHMPIDRecoParam* AliHMPIDReconstructor::fgkRecoParam =0; // |
94b1fbfa | 35 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
a0e5c1b9 | 36 | AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fUserCut(0),fDaqSig(0),fDig(0),fClu(0) |
94b1fbfa | 37 | { |
38 | // | |
39 | //ctor | |
40 | // | |
909bfbdc | 41 | AliHMPIDParam::Instance(); //geometry loaded for reconstruction |
14dc2e6c | 42 | fUserCut = new Int_t[7]; |
ae5a42aa | 43 | fClu=new TObjArray(AliHMPIDParam::kMaxCh+1); fClu->SetOwner(kTRUE); |
44 | fDig=new TObjArray(AliHMPIDParam::kMaxCh+1); fDig->SetOwner(kTRUE); | |
9cc1a411 | 45 | |
ae5a42aa | 46 | for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ |
56c73976 | 47 | fDig->AddAt(new TClonesArray("AliHMPIDDigit",24000),i); |
48 | TClonesArray *pClus = new TClonesArray("AliHMPIDCluster",24000); | |
611e810d | 49 | pClus->SetUniqueID(i); |
50 | fClu->AddAt(pClus,i); | |
94b1fbfa | 51 | } |
55a829a5 | 52 | |
65201c45 | 53 | if(fgkRecoParam!=0x0 && fgkRecoParam->GetUserCutMode()==kTRUE) { |
54 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) { | |
55a829a5 | 55 | fUserCut[iCh] = fgkRecoParam->GetUserCut(iCh); |
4f9a834e | 56 | AliDebug(1,Form("UserCut successfully loaded (from RecoParam) for chamber %i -> %i ",iCh,fUserCut[iCh])); |
65201c45 | 57 | } |
55a829a5 | 58 | } |
59 | else { | |
65201c45 | 60 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) { |
61 | fUserCut[iCh] = 3; // minimal requirement for sigma cut | |
62 | AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,fUserCut[iCh])); | |
85692374 | 63 | } |
65201c45 | 64 | } |
49881df7 | 65 | |
9cc1a411 | 66 | AliCDBEntry *pDaqSigEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSig"); //contains TObjArray of TObjArray 14 TMatrixF sigmas values for pads |
67 | if(!pDaqSigEnt) AliFatal("No pedestals from DAQ!"); | |
68 | fDaqSig = (TObjArray*)pDaqSigEnt->GetObject(); | |
69 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop | |
4f9a834e | 70 | AliDebug(1,Form("DaqSigCut successfully loaded for chamber %i -> %i ",iCh,(Int_t)fDaqSig->At(iCh)->GetUniqueID())); |
a0e5c1b9 | 71 | } |
94b1fbfa | 72 | }//AliHMPIDReconstructor |
d3da6dc4 | 73 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
54104a7c | 74 | void AliHMPIDReconstructor::Dig2Clu(TObjArray *pDigAll,TObjArray *pCluAll,Int_t *pUserCut,Bool_t isTryUnfold) |
d3da6dc4 | 75 | { |
76 | // Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber. | |
77 | // Puts all found clusters in separate lists, one per clusters. | |
3c6274c1 | 78 | // Arguments: pDigAll - list of digits for all chambers |
79 | // pCluAll - list of clusters for all chambers | |
d3da6dc4 | 80 | // isTryUnfold - flag to choose between CoG and Mathieson fitting |
81 | // Returns: none | |
ae5a42aa | 82 | TMatrixF padMap(AliHMPIDParam::kMinPx,AliHMPIDParam::kMaxPcx,AliHMPIDParam::kMinPy,AliHMPIDParam::kMaxPcy); //pads map for single chamber 0..159 x 0..143 |
3c6274c1 | 83 | |
ae5a42aa | 84 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop |
3c6274c1 | 85 | TClonesArray *pDigCur=(TClonesArray*)pDigAll->At(iCh); //get list of digits for current chamber |
86 | if(pDigCur->GetEntriesFast()==0) continue; //no digits for current chamber | |
d3da6dc4 | 87 | |
3c6274c1 | 88 | padMap=(Float_t)-1; //reset map to -1 (means no digit for this pad) |
89 | TClonesArray *pCluCur=(TClonesArray*)pCluAll->At(iCh); //get list of clusters for current chamber | |
90 | ||
91 | for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop to fill pads map | |
92 | AliHMPIDDigit *pDig= (AliHMPIDDigit*)pDigCur->At(iDig); //get current digit | |
93 | padMap( pDig->PadChX(), pDig->PadChY() )=iDig; //fill the map, (padx,pady) cell takes digit index | |
94 | }//digits loop to fill digits map | |
95 | ||
96 | AliHMPIDCluster clu; //tmp cluster to be used as current | |
3c6274c1 | 97 | for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop for current chamber |
98 | AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCur->At(iDig); //take current digit | |
99 | if(!(pDig=UseDig(pDig->PadChX(),pDig->PadChY(),pDigCur,&padMap))) continue; //this digit is already taken in FormClu(), go after next digit | |
100 | FormClu(&clu,pDig,pDigCur,&padMap); //form cluster starting from this digit by recursion | |
54104a7c | 101 | clu.Solve(pCluCur,pUserCut,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list |
3c6274c1 | 102 | clu.Reset(); //empty current cluster |
103 | }//digits loop for current chamber | |
104 | }//chambers loop | |
d3da6dc4 | 105 | }//Dig2Clu() |
106 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
107 | void AliHMPIDReconstructor::FormClu(AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pDigMap) | |
108 | { | |
a1d55ff3 | 109 | // Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit then calls itself recursevly for all neighbours. |
d3da6dc4 | 110 | // Arguments: pClu - pointer to cluster being formed |
a1d55ff3 | 111 | // Returns: none |
d3da6dc4 | 112 | pClu->DigAdd(pDig);//take this digit in cluster |
113 | ||
3c6274c1 | 114 | Int_t cnt=0,cx[4],cy[4]; |
d3da6dc4 | 115 | |
ae5a42aa | 116 | if(pDig->PadPcX() != AliHMPIDParam::kMinPx){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY() ;cnt++;} //left |
117 | if(pDig->PadPcX() != AliHMPIDParam::kMaxPx){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY() ;cnt++;} //right | |
118 | if(pDig->PadPcY() != AliHMPIDParam::kMinPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()-1;cnt++;} //down | |
119 | if(pDig->PadPcY() != AliHMPIDParam::kMaxPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()+1;cnt++;} //up | |
d3da6dc4 | 120 | |
a1d55ff3 | 121 | for (Int_t i=0;i<cnt;i++){//neighbours loop |
3c6274c1 | 122 | 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 | 123 | }//neighbours loop |
d3da6dc4 | 124 | }//FormClu() |
125 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
94b1fbfa | 126 | void AliHMPIDReconstructor::Reconstruct(TTree *pDigTree,TTree *pCluTree)const |
d3da6dc4 | 127 | { |
128 | //Invoked by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data | |
94b1fbfa | 129 | //Arguments: pDigTree - pointer to Digit tree |
130 | // pCluTree - poitner to Cluster tree | |
d3da6dc4 | 131 | // Returns: none |
132 | AliDebug(1,"Start."); | |
ae5a42aa | 133 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) { |
56c73976 | 134 | pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),7); |
94b1fbfa | 135 | pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh])); |
136 | } | |
137 | pDigTree->GetEntry(0); | |
54104a7c | 138 | Dig2Clu(fDig,fClu,fUserCut); //cluster finder |
94b1fbfa | 139 | pCluTree->Fill(); //fill tree for current event |
140 | ||
ae5a42aa | 141 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ |
94b1fbfa | 142 | fDig->At(iCh)->Clear(); |
143 | fClu->At(iCh)->Clear(); | |
144 | } | |
d3da6dc4 | 145 | |
d3da6dc4 | 146 | AliDebug(1,"Stop."); |
147 | }//Reconstruct(for simulated digits) | |
a1d55ff3 | 148 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
94b1fbfa | 149 | void AliHMPIDReconstructor::ConvertDigits(AliRawReader *pRR,TTree *pDigTree)const |
150 | { | |
151 | //Invoked by AliReconstruction to convert raw digits from DDL files to digits | |
152 | //Arguments: pRR - ALICE raw reader pointer | |
153 | // pDigTree - pointer to Digit tree | |
154 | // Returns: none | |
155 | AliDebug(1,"Start."); | |
21f61e25 | 156 | // Int_t digcnt=0; |
157 | ||
56c73976 | 158 | Int_t iDigCnt[7]={0,0,0,0,0,0,0}; |
21f61e25 | 159 | |
56c73976 | 160 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ |
161 | pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh])); | |
162 | } | |
21f61e25 | 163 | |
56c73976 | 164 | AliHMPIDRawStream stream(pRR); |
165 | ||
166 | while(stream.Next()) | |
167 | { | |
168 | Int_t ch = AliHMPIDParam::DDL2C(stream.GetDDLNumber()); | |
169 | for(Int_t iPad=0;iPad<stream.GetNPads();iPad++) { | |
170 | AliHMPIDDigit dig(stream.GetPadArray()[iPad],stream.GetChargeArray()[iPad]); | |
171 | if(!IsDigSurvive(&dig)) continue; | |
172 | new((*((TClonesArray*)fDig->At(ch)))[iDigCnt[ch]++]) AliHMPIDDigit(dig); //add this digit to the tmp list | |
21f61e25 | 173 | } |
21f61e25 | 174 | } |
56c73976 | 175 | |
94b1fbfa | 176 | pDigTree->Fill(); |
21f61e25 | 177 | |
ae5a42aa | 178 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++)fDig->At(iCh)->Clear(); |
21f61e25 | 179 | |
94b1fbfa | 180 | AliDebug(1,"Stop."); |
181 | }//Reconstruct digits from raw digits | |
182 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
d76c31f4 | 183 | void AliHMPIDReconstructor::FillESD(TTree */*digitsTree*/, TTree */*clustersTree*/, AliESDEvent *pESD) const |
d3da6dc4 | 184 | { |
3278403b | 185 | // Fill ESD with all the infos from HMPID |
186 | // Probability vector from AliHMPIDPid | |
187 | //... | |
9eb30f08 | 188 | AliHMPIDPid pID; |
dac53a45 | 189 | Double_t prob[AliPID::kSPECIES]; |
9eb30f08 | 190 | |
191 | for(Int_t iTrk=0;iTrk<pESD->GetNumberOfTracks();iTrk++){//ESD tracks loop | |
192 | AliESDtrack *pTrk = pESD->GetTrack(iTrk);// get next reconstructed track | |
dac53a45 | 193 | pID.FindPid(pTrk,AliPID::kSPECIES,prob); |
194 | pTrk->SetHMPIDpid(prob); | |
9eb30f08 | 195 | }//ESD tracks loop |
3278403b | 196 | |
a1d55ff3 | 197 | }//FillESD() |