* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
+//.
+// HMPID base class to reconstruct an event
+//.
+//.
+//.
#include "AliHMPIDReconstructor.h" //class header
#include "AliHMPID.h" //Reconstruct()
-#include "AliHMPIDCluster.h" //CluQA()
+#include "AliHMPIDCluster.h" //Dig2Clu()
#include "AliHMPIDParam.h" //FillEsd()
-#include <AliESD.h> //FillEsd()
-#include <AliRunLoader.h> //Reconstruct() for simulated digits
-#include <AliRawReader.h> //Reconstruct() for raw digits
-#include <AliRun.h> //Reconstruct()
+#include <AliCDBEntry.h> //ctor
+#include <AliCDBManager.h> //ctor
+#include <AliESDEvent.h> //FillEsd()
+#include <AliRawReader.h> //Reconstruct() for raw digits
ClassImp(AliHMPIDReconstructor)
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fUserCut(0),fDaqSig(0),fDig(0),fClu(0)
+{
+//
+//ctor
+//
+ AliHMPIDParam::Instance(); //geometry loaded for reconstruction
+ fUserCut = new Int_t[7];
+ fClu=new TObjArray(AliHMPIDParam::kMaxCh+1); fClu->SetOwner(kTRUE);
+ fDig=new TObjArray(AliHMPIDParam::kMaxCh+1); fDig->SetOwner(kTRUE);
+
+ for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){
+ fDig->AddAt(new TClonesArray("AliHMPIDDigit"),i);
+ TClonesArray *pClus = new TClonesArray("AliHMPIDCluster");
+ pClus->SetUniqueID(i);
+ fClu->AddAt(pClus,i);
+ }
+
+ AliCDBEntry *pUserCutEnt =AliCDBManager::Instance()->Get("HMPID/Calib/UserCut"); //contains TObjArray of 14 TObject with n. of sigmas to cut charge
+ if(pUserCutEnt) {
+ TObjArray *pUserCut = (TObjArray*)pUserCutEnt->GetObject();
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop
+ fUserCut[iCh] = pUserCut->At(iCh)->GetUniqueID();
+ Printf("HMPID: UserCut successfully loaded for chamber %i -> %i ",iCh,fUserCut[iCh]);
+ }
+ }
+
+
+ AliCDBEntry *pDaqSigEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSig"); //contains TObjArray of TObjArray 14 TMatrixF sigmas values for pads
+ if(!pDaqSigEnt) AliFatal("No pedestals from DAQ!");
+ fDaqSig = (TObjArray*)pDaqSigEnt->GetObject();
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop
+ Printf(" HMPID: DaqSigCut successfully loaded for chamber %i -> %i ",iCh,(Int_t)fDaqSig->At(iCh)->GetUniqueID());
+ }
+}//AliHMPIDReconstructor
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::Dig2Clu(TObjArray *pDigAll,TObjArray *pCluAll,Bool_t isTryUnfold)
{
// pCluAll - list of clusters for all chambers
// isTryUnfold - flag to choose between CoG and Mathieson fitting
// Returns: none
- TMatrixF padMap(AliHMPIDDigit::kMaxPadChX,AliHMPIDDigit::kMaxPadChY); //pads map for single chamber 0..159 x 0..143
+ TMatrixF padMap(AliHMPIDParam::kMinPx,AliHMPIDParam::kMaxPcx,AliHMPIDParam::kMinPy,AliHMPIDParam::kMaxPcy); //pads map for single chamber 0..159 x 0..143
- for(Int_t iCh=0;iCh<7;iCh++){ //chambers loop
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop
TClonesArray *pDigCur=(TClonesArray*)pDigAll->At(iCh); //get list of digits for current chamber
if(pDigCur->GetEntriesFast()==0) continue; //no digits for current chamber
}//digits loop to fill digits map
AliHMPIDCluster clu; //tmp cluster to be used as current
-
for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop for current chamber
AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCur->At(iDig); //take current digit
if(!(pDig=UseDig(pDig->PadChX(),pDig->PadChY(),pDigCur,&padMap))) continue; //this digit is already taken in FormClu(), go after next digit
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::FormClu(AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pDigMap)
{
-// Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit
-// then calls itself recursevly for all possible neighbours.
+// Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit then calls itself recursevly for all neighbours.
// Arguments: pClu - pointer to cluster being formed
-// Returns: none
+// Returns: none
pClu->DigAdd(pDig);//take this digit in cluster
Int_t cnt=0,cx[4],cy[4];
- if(pDig->PadPcX() != 0 ){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY() ;cnt++;} //left
- if(pDig->PadPcX() != AliHMPIDDigit::kPadPcX-1){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY() ;cnt++;} //right
- if(pDig->PadPcY() != 0 ){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()-1;cnt++;} //down
- if(pDig->PadPcY() != AliHMPIDDigit::kPadPcY-1){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()+1;cnt++;} //up
+ if(pDig->PadPcX() != AliHMPIDParam::kMinPx){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY() ;cnt++;} //left
+ if(pDig->PadPcX() != AliHMPIDParam::kMaxPx){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY() ;cnt++;} //right
+ if(pDig->PadPcY() != AliHMPIDParam::kMinPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()-1;cnt++;} //down
+ if(pDig->PadPcY() != AliHMPIDParam::kMaxPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()+1;cnt++;} //up
- for (Int_t i=0;i<cnt;i++)
+ for (Int_t i=0;i<cnt;i++){//neighbours loop
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
-
+ }//neighbours loop
}//FormClu()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliHMPIDReconstructor::Reconstruct(AliRunLoader *pAL)const
+void AliHMPIDReconstructor::Reconstruct(TTree *pDigTree,TTree *pCluTree)const
{
//Invoked by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data
-//Arguments: pAL - ALICE run loader pointer
+//Arguments: pDigTree - pointer to Digit tree
+// pCluTree - poitner to Cluster tree
// Returns: none
AliDebug(1,"Start.");
- AliLoader *pRL=pAL->GetDetectorLoader("HMPID");
- AliHMPID *pRich=(AliHMPID*)pAL->GetAliRun()->GetDetector("HMPID");//get pointers for HMPID and HMPID loader
- pRL->LoadDigits();
- pRL->LoadRecPoints("recreate");
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),4000,0);
+ pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh]));
+ }
+ pDigTree->GetEntry(0);
+ Dig2Clu(fDig,fClu); //cluster finder
+ pCluTree->Fill(); //fill tree for current event
+
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
+ fDig->At(iCh)->Clear();
+ fClu->At(iCh)->Clear();
+ }
- for(Int_t iEvtN=0;iEvtN<pAL->GetNumberOfEvents();iEvtN++){//events loop
- pAL->GetEvent(iEvtN); AliDebug(1,Form("Processing event %i...",iEvtN)); //switch current directory to next event
- pRL->TreeD()->GetEntry(0); pRL->MakeTree("R"); pRich->MakeBranch("R"); //load digits to memory and create branches for clusters
-
- Dig2Clu(pRich->DigLst(),pRich->CluLst());//cluster finder
-
- pRL->TreeR()->Fill(); //fill tree for current event
- pRL->WriteRecPoints("OVERWRITE");//write out clusters for current event
- pRich->DigReset(); pRich->CluReset();
- }//events loop
-
- pRL->UnloadDigits();
- pRL->UnloadRecPoints();
-
AliDebug(1,"Stop.");
}//Reconstruct(for simulated digits)
-//__________________________________________________________________________________________________
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::Reconstruct(AliRunLoader *pAL,AliRawReader* pRR)const
{
//Invoked by AliReconstruction to convert raw digits from DDL files to clusters
//Arguments: pAL - ALICE run loader pointer
-// pRR - ALICE raw reader pointer
-// Returns: none
+// pRR - ALICE raw reader pointer
+// Returns: none
AliLoader *pRL=pAL->GetDetectorLoader("HMPID"); AliHMPID *pRich=(AliHMPID*)pAL->GetAliRun()->GetDetector("HMPID");//get pointers for HMPID and HMPID loader
-
+
AliHMPIDDigit dig; //tmp digit, raw digit will be converted to it
-
- 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 all chambers
-
+
+ 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
+
Int_t iEvtN=0;
while(pRR->NextEvent()){//events loop
pAL->GetEvent(iEvtN++);
pRL->MakeTree("R"); pRich->MakeBranch("R");
-
+
for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
- pRR->Select("HMPID",2*iCh,2*iCh+1);//select only DDL files for the current chamber
+ pRR->Select("HMPID",2*iCh,2*iCh+1);//select only DDL files for the current chamber
UInt_t w32=0;
while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
- dig.Raw(w32,ddl);
+ dig.Raw(w32,ddl,pRR);
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()));
+ if(!IsDigSurvive(&dig)) continue; //sigma cut test
new((*((TClonesArray*)digLst.At(iCh)))[iDigCnt[iCh]++]) AliHMPIDDigit(dig); //add this digit to the tmp list
}//raw records loop
- pRR->Reset();
+ pRR->Reset();
}//chambers loop
-
+
Dig2Clu(&digLst,pRich->CluLst());//cluster finder for all chambers
for(Int_t i=0;i<7;i++){digLst.At(i)->Delete(); iDigCnt[i]=0;} //clean up list of digits for all chambers
-
+
pRL->TreeR()->Fill(); //fill tree for current event
pRL->WriteRecPoints("OVERWRITE");//write out clusters for current event
pRich->CluReset();
- }//events loop
- pRL->UnloadRecPoints();
+ }//events loop
+ pRL->UnloadRecPoints();
}//Reconstruct raw data
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
-void AliHMPIDReconstructor::FillESD(AliRunLoader *, AliESD *pESD) const
+void AliHMPIDReconstructor::ConvertDigits(AliRawReader *pRR,TTree *pDigTree)const
+{
+//Invoked by AliReconstruction to convert raw digits from DDL files to digits
+//Arguments: pRR - ALICE raw reader pointer
+// pDigTree - pointer to Digit tree
+// Returns: none
+ AliDebug(1,"Start.");
+ AliHMPIDDigit dig; //tmp digit, raw digit will be converted to it
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh]),4000,0);
+ pRR->Select("HMPID",2*iCh,2*iCh+1);//select only DDL files for the current chamber
+ Int_t iDigCnt=0;
+ UInt_t w32=0;
+ while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
+ UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
+ if(!dig.Raw(w32,ddl,pRR)) continue;
+ 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()));
+ if(!IsDigSurvive(&dig)) continue; //sigma cut test
+ new((*((TClonesArray*)fDig->At(iCh)))[iDigCnt++]) AliHMPIDDigit(dig); //add this digit to the tmp list
+ }//raw records loop
+ pRR->Reset();
+ }//chambers loop
+ pDigTree->Fill();
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++)fDig->At(iCh)->Clear();
+ AliDebug(1,"Stop.");
+}//Reconstruct digits from raw digits
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDReconstructor::FillESD(AliRunLoader *, AliESDEvent *pESD) const
{
// Calculates probability to be a electron-muon-pion-kaon-proton
// from the given Cerenkov angle and momentum assuming no initial particle composition
for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++){
Double_t mass = AliPID::ParticleMass(iPart);
Double_t cosThetaTh = TMath::Sqrt(mass*mass+pmod*pmod)/(AliHMPIDParam::Instance()->MeanIdxRad()*pmod);
- if(cosThetaTh<1) //calculate the height of theortical theta ckov on the gaus of experimental one
- h[iPart] =TMath::Gaus(TMath::ACos(cosThetaTh),pTrk->GetHMPIDsignal(),TMath::Sqrt(pTrk->GetHMPIDchi2()),kTRUE);
-
+ if(cosThetaTh<1) //calculate the height of theoretical theta ckov on the gaus of experimental one
+ h[iPart] =TMath::Gaus(TMath::ACos(cosThetaTh),pTrk->GetHMPIDsignal(),TMath::Sqrt(pTrk->GetHMPIDchi2()),kTRUE);
else //beta < 1/ref. idx. => no light at all
h[iPart] =0 ;
hTot +=h[iPart]; //total height of all theoretical heights for normalization
pid[iPart]=1.0/AliPID::kSPECIES;
pTrk->SetHMPIDpid(pid);
}//ESD tracks loop
- //last line is to check if the nearest thetacerenkov to the teorethical one is within 5 sigma, otherwise no response (equal prob to every particle
-}//FillESD
+}//FillESD()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++