* 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 "AliHMPIDPid.h" //FillEsd()
#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
+#include <AliLog.h> //
+#include "AliHMPIDRawStream.h" //ConvertDigits()
+#include "AliHMPIDRecoParamV1.h" //ctor
+
ClassImp(AliHMPIDReconstructor)
+Int_t AliHMPIDReconstructor::fgStreamLevel = 0; // stream (debug) level
+
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fDaqSig(0),fDig(0),fClu(0)
+{
+//
+//ctor
+//
+ AliHMPIDParam::Instance(); //geometry loaded for reconstruction
+
+ 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",24000),i);
+ TClonesArray *pClus = new TClonesArray("AliHMPIDCluster",24000);
+ pClus->SetUniqueID(i);
+ fClu->AddAt(pClus,i);
+ }
+
+ 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
+ AliDebug(1,Form("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)
+void AliHMPIDReconstructor::Dig2Clu(TObjArray *pDigAll,TObjArray *pCluAll,Int_t *pUserCut,Bool_t isTryUnfold)
{
// Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber.
// Puts all found clusters in separate lists, one per clusters.
// 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
FormClu(&clu,pDig,pDigCur,&padMap); //form cluster starting from this digit by recursion
-
- clu.Solve(pCluCur,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list
+ clu.Solve(pCluCur,pUserCut,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list
clu.Reset(); //empty current cluster
}//digits loop for current chamber
}//chambers loop
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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 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();
-
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),7);
+ pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh]));
+ }
+
+ Int_t pUserCut[7];
+
+ if(AliHMPIDReconstructor::GetRecoParam()) {
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
+ AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
+ }
+ }
+ else {
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pUserCut[iCh] = 4; // minimal requirement for sigma cut
+ AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
+ AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
+ }
+ }
+
+ pDigTree->GetEntry(0);
+ Dig2Clu(fDig,fClu,pUserCut); //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();
+ }
+
+
AliDebug(1,"Stop.");
}//Reconstruct(for simulated digits)
-//__________________________________________________________________________________________________
-void AliHMPIDReconstructor::Reconstruct(AliRunLoader *pAL,AliRawReader* pRR)const
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDReconstructor::ConvertDigits(AliRawReader *pRR,TTree *pDigTree)const
{
-//Invoked by AliReconstruction to convert raw digits from DDL files to clusters
-//Arguments: pAL - ALICE run loader pointer
-// pRR - ALICE raw reader pointer
+//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
- AliLoader *pRL=pAL->GetDetectorLoader("HMPID"); AliHMPID *pRich=(AliHMPID*)pAL->GetAliRun()->GetDetector("HMPID");//get pointers for HMPID and HMPID loader
+ AliDebug(1,"Start.");
+// Int_t digcnt=0;
+
+ Int_t iDigCnt[7]={0,0,0,0,0,0,0};
+
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
+ pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh]));
+ }
+
+ Int_t pUserCut[7];
- AliHMPIDDigit dig; //tmp digit, raw digit will be converted to it
+ if(AliHMPIDReconstructor::GetRecoParam()) {
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
+ AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
+ }
+ }
+ else {
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
+ pUserCut[iCh] = 4; // minimal requirement for sigma cut
+ AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
+ AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
+ }
+ }
+
+ AliHMPIDRawStream stream(pRR);
- 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
+ while(stream.Next())
+ {
+ Int_t ch = AliHMPIDParam::DDL2C(stream.GetDDLNumber());
+ for(Int_t iPad=0;iPad<stream.GetNPads();iPad++) {
+ AliHMPIDDigit dig(stream.GetPadArray()[iPad],stream.GetChargeArray()[iPad]);
+ if(!IsDigSurvive(pUserCut,&dig)) continue;
+ new((*((TClonesArray*)fDig->At(ch)))[iDigCnt[ch]++]) AliHMPIDDigit(dig); //add this digit to the tmp list
+ }
+ }
- 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
- 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);
- 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()));
- new((*((TClonesArray*)digLst.At(iCh)))[iDigCnt[iCh]++]) AliHMPIDDigit(dig); //add this digit to the tmp list
- }//raw records loop
- 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();
-}//Reconstruct raw data
+ 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 *, AliESD *pESD) const
+void AliHMPIDReconstructor::FillESD(TTree */*digitsTree*/, TTree */*clustersTree*/, 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
-// (i.e. apriory probability to be the particle of the given sort is the same for all sorts)
-
- AliPID ppp; //needed
- Double_t pid[AliPID::kSPECIES],h[AliPID::kSPECIES];
-
+// Fill ESD with all the infos from HMPID
+// Probability vector from AliHMPIDPid
+//...
+ AliHMPIDPid pID;
+ Double_t prob[AliPID::kSPECIES];
+
for(Int_t iTrk=0;iTrk<pESD->GetNumberOfTracks();iTrk++){//ESD tracks loop
AliESDtrack *pTrk = pESD->GetTrack(iTrk);// get next reconstructed track
- if(pTrk->GetHMPIDsignal()<=0){//HMPID does not find anything reasonable for this track, assign 0.2 for all species
- for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++) pid[iPart]=1.0/AliPID::kSPECIES;
- pTrk->SetHMPIDpid(pid);
- continue;
- }
- Double_t pmod = pTrk->GetP();
- Double_t hTot=0;
- 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);
-
- else //beta < 1/ref. idx. => no light at all
- h[iPart] =0 ;
- hTot +=h[iPart]; //total height of all theoretical heights for normalization
- }//species loop
-
- Double_t hMin=TMath::Gaus(pTrk->GetHMPIDsignal()-4*TMath::Sqrt(pTrk->GetHMPIDchi2()),pTrk->GetHMPIDsignal(),TMath::Sqrt(pTrk->GetHMPIDchi2()),kTRUE);//5 sigma protection
-
- for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++)//species loop to assign probabilities
- if(hTot>hMin)
- pid[iPart]=h[iPart]/hTot;
- else //all theoretical values are far away from experemental one
- pid[iPart]=1.0/AliPID::kSPECIES;
- pTrk->SetHMPIDpid(pid);
+ pID.FindPid(pTrk,AliPID::kSPECIES,prob);
+ pTrk->SetHMPIDpid(prob);
}//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()
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff