#include "AliRICH.h"
#include "AliRICHRecon.h"
#include "AliRICHParam.h"
+#include "AliRICHCluster.h"
#include <AliESD.h>
#include <TGeoManager.h> //EsdQA()
#include <TVector3.h>
// AliRICHTracker is created from AliReconstraction::Run() which invokes AliReconstraction::CreateTrackers()
// which in turn invokes AliRICHReconstructor::CreateTracker().
// Note that this is done just once per session before AliReconstruction::Run() goes to events loop.
- AliRICHParam::Instance()->CdbRead(0,0);
- for(Int_t i=0;i<5;i++)fErrPar[i]=0;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliRICHTracker::GetTrackPoint(Int_t idx, AliTrackPoint& point) const
Int_t iClu=idx%1000000;
point.SetVolumeID(AliAlignObj::LayerToVolUID(AliAlignObj::kRICH,iCham-1));//layer and chamber number
AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
- AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iCham)->UncheckedAt(iClu);//get pointer to cluster
+ AliRICHCluster *pClu=(AliRICHCluster*)pRich->CluLst(iCham)->UncheckedAt(iClu);//get pointer to cluster
TVector3 mars=AliRICHParam::Instance()->Lors2Mars(iCham,pClu->X(),pClu->Y());
point.SetXYZ(mars.X(),mars.Y(),mars.Z());
return kTRUE;
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Int_t AliRICHTracker::LoadClusters(TTree *pCluTree)
{
-// Interface callback methode invoked from AliReconstruction::RunTracking() to load RICH clusters for RICH
+// Interface callback methode invoked from AliReconstruction::RunTracking() to load RICH clusters before PropagateBack() gets control
// Arguments: pCluTree- pointer to clusters tree got by AliRICHLoader::LoadRecPoints("read") then AliRICHLoader::TreeR()
// Returns: error code (currently ignored in AliReconstruction::RunTraking())
AliDebug(1,"Start."); pCluTree->GetEntry(0); AliDebug(1,"Stop."); return 0;
// Interface callback methode invoked by AliRecontruction::RunTracking() during tracking after TOF. It's done just once per event
// Arguments: pESD - pointer to Event Summary Data class instance which contains a list of tracks
// Returns: error code, 0 if no errors
- Int_t iNtracks=pESD->GetNumberOfTracks();
- AliDebug(1,Form("Start with %i tracks",iNtracks));
+ Int_t iNtracks=pESD->GetNumberOfTracks(); AliDebug(1,Form("Start with %i tracks",iNtracks));
AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
- AliRICHRecon recon;
- AliPID pid; // needed to retrive all the PID info
+ AliRICHRecon recon; //instance of reconstruction class, nothing important in ctor
- for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){//ESD tracks loop
- AliESDtrack *pTrack = pESD->GetTrack(iTrk);// get next reconstructed track
- Double_t mom[3], pos[3];
- pTrack->GetPxPyPz(mom); TVector3 mom3(mom[0],mom[1],mom[2]);
- pTrack->GetXYZ(pos); TVector3 pos3(pos[0],pos[1],pos[2]);
- AliRICHHelix helix(pos3,mom3,(Int_t)pTrack->GetSign(),-0.1*GetBz()); //construct helix out of track running parameters
- //Printf(" magnetic field %f charged %f\n",GetBz(),pTrack->GetSign()); helix.Print("Track");
- Int_t iChamber=helix.RichIntersect(AliRICHParam::Instance());
- if(!iChamber) continue; //no intersection with chambers, ignore this track go after the next one
-
- //find MIP cluster candidate (closest to track intersection point cluster with large enough QDC)
- Double_t dR=9999, dX=9999, dY=9999; //distance between track-PC intersection point and current cluster
- Double_t mipDr=9999,mipDx=9999,mipDy=9999,mipX=9999,mipY=9999; //nearest cluster parameters
- Int_t iMipId=-1; //index of this nearest cluster
- for(Int_t iClu=0;iClu<pRich->Clus(iChamber)->GetEntries();iClu++){//clusters loop for intersected chamber
- AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu);//get pointer to current cluster
- if(pClu->Q()<AliRICHParam::QthMIP()) continue; //to low QDC, go after another one
- pClu->DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY); //get distance for current cluster
- if(dR<mipDr){iMipId=iClu; mipDr=dR; mipDx=dX; mipDy=dY; mipX=pClu->X(); mipY=pClu->Y();} //current cluster is closer, overwrite data for min cluster
- }//clusters loop for intersected chamber
+ AliRICHParam *pParam=AliRICHParam::Instance();
- pTrack->SetRICHthetaPhi(helix.Ploc().Theta(),helix.Ploc().Phi()); //store track impact angles with respect to RICH planes
- pTrack->SetRICHdxdy(mipDx,mipDy); //distance between track-PC intersection and closest cluster with Qdc>100
- pTrack->SetRICHmipXY(mipX,mipY); //position of that closest cluster with Qdc>100
-
- if(iMipId==-1) {pTrack->SetRICHsignal(kMipQdcCut); continue;} //no cluster with enough QDC found
- if(mipDr>AliRICHParam::DmatchMIP()) {pTrack->SetRICHsignal(kMipDistCut); continue;} //closest cluster with enough carge is still too far
-
- pTrack->SetRICHcluster(iMipId+1000000*iChamber); //set mip cluster index
- pTrack->SetRICHsignal(recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),iMipId));//search for mean Cerenkov angle for this track
- pTrack->SetRICHchi2(recon.GetRingSigma2());
- pTrack->SetRICHnclusters(iMipId); //on return iMipId is number of photon clusters accepted in reconstruction
-
- AliDebug(1,Form("Ch=%i PC Intersection=(%5.2f,%5.2f) cm MIP cluster dist=(%5.2f,%5.2f)=%5.2f cm ThetaCkov=%f",
- iChamber,helix.PosPc().X(),helix.PosPc().Y(), mipDx,mipDy,mipDr, pTrack->GetRICHsignal()));
-
-//here comes PID calculations
-// CalcProb(pTrack->GetRICHsignal(),pTrack->GetP(),sigmaPID,richPID);
- }//ESD tracks loop
- AliDebug(1,"Stop pattern recognition");
- return 0; // error code: 0=no error;
-}//PropagateBack()
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliRICHTracker::RecWithStack(TNtupleD *hn)
-{
-// Reconstruction for particles from STACK. This methode is to be used for RICH standalone when no other detectors are switched on, so normal tracking is not available.
-// Arguments: hn- output ntuple where to store all variables
-// Returns: none
- AliDebug(1,"Start.");
- AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
-
-// pRich->GetLoader()->GetRunLoader()->LoadHeader();
- if(!pRich->GetLoader()->GetRunLoader()->TreeK()) pRich->GetLoader()->GetRunLoader()->LoadKinematics();
- AliStack *pStack = pRich->GetLoader()->GetRunLoader()->Stack();
- if(!pStack) {AliDebug(1,Form("No STACK found in AliRoot"));return;}
- Int_t iNtracks=pStack->GetNtrack();
- AliDebug(1,Form(" Start reconstruction with %i track(s) from Stack",iNtracks));
-
- Double_t hnvec[20];
-
- Double_t b=GetFieldMap()->SolenoidField()/10;// magnetic field in Tesla
- AliDebug(1,Form("Start with simulated %i tracks in %f Tesla field",iNtracks,b));
- TVector3 x0(0,0,0); TVector3 p0(0,0,0);//tmp storage for AliRICHHelix
-
-
- if(pRich->GetLoader()->LoadRecPoints()) {AliDebug(1,Form("No clusters found in RICH"));return;}
- pRich->GetLoader()->TreeR()->GetEntry(0);
-
- AliRICHRecon recon;
- for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//stack particles loop
- TParticle *pParticle = pStack->Particle(iTrackN);
- if(!pParticle) {AliDebug(1,Form("Not a valid TParticle pointer. Track skipped"));continue;}
- AliDebug(1,Form(" PDG code : %i",pParticle->GetPdgCode()));
-//
-// problem of PDG code of some extra particles to be solved!!!!!!!!!
-//
-// found problem! Look in TRD directory : codes from Fluka are :
-//
-// if ((pdg_code == 10010020) ||
-// (pdg_code == 10010030) ||
-// (pdg_code == 50000050) ||
-// (pdg_code == 50000051) ||
-// (pdg_code == 10020040)) {
-//
- if(pParticle->GetPdgCode()>=50000050||pParticle->GetPdgCode()==0||pParticle->GetPdgCode()>10000) {AliDebug(1,Form("A photon as track... Track skipped"));continue;}
- if(!pParticle->GetPDG()) continue;
-//
-// to be updated for us!!
-//
- AliDebug(1,Form("Track %i is a %s with charge %i and momentum %f",
- iTrackN,pParticle->GetPDG()->GetName(),Int_t(pParticle->GetPDG()->Charge()),pParticle->P()));
-// if(pParticle->GetMother(0)!=-1) continue; //consider only primaries
- if(pParticle->GetPDG()->Charge()==0||TMath::Abs(Int_t(pParticle->GetPDG()->Charge()))!=3) continue; //to avoid photons from stack...
- hnvec[0]=pParticle->P();
- hnvec[1]=pParticle->GetPDG()->Charge();
-
- p0.SetMagThetaPhi(pParticle->P(),pParticle->Theta(),pParticle->Phi()); x0.SetXYZ(pParticle->Vx(),pParticle->Vy(),pParticle->Vz());
- AliRICHHelix helix(x0,p0,TMath::Sign(1,(Int_t)pParticle->GetPDG()->Charge()),b);
- Int_t iChamber=helix.RichIntersect(AliRICHParam::Instance());
- if(!iChamber) continue;// no intersection with RICH found
-
- hnvec[2]=helix.Ploc().Theta();
- hnvec[3]=helix.Ploc().Phi();
- hnvec[4]=helix.PosPc().X();
- hnvec[5]=helix.PosPc().Y();
-
- Double_t dX,dY,dR,dRmip=9999; //min distance between clusters and track position on PC
- Int_t iMipId=-1; //index of that min distance cluster
- for(Int_t iClu=0;iClu<pRich->Clus(iChamber)->GetEntries();iClu++){//clusters loop for intersected chamber
- AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu);//get pointer to current cluster
- pClu->DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY);//ditance between current cluster and helix intersection with PC
- if(dR<dRmip){dRmip=dR; hnvec[6]=pClu->X();hnvec[7]=pClu->Y();hnvec[8]=pClu->Q();
- iMipId=1000000*iChamber+iClu;}//find cluster nearest to the track
+ for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){ //ESD tracks loop
+ AliESDtrack *pTrk = pESD->GetTrack(iTrk); //get next reconstructed track
+
+ Float_t xRa=0,yRa=0,xPc=0,yPc=0,th=0,ph=0; //track intersection point and angles, LORS
+ Int_t iCh=-1; //intersected chamber
+ for(Int_t i=0;i<7;i++){ //chambers loop
+ Double_t p1[3],n1[3]; pParam->Norm(i,n1); pParam->Lors2Mars(i,0,0,p1,AliRICHParam::kRad); //point & norm for RAD
+ Double_t p2[3],n2[3]; pParam->Norm(i,n2); pParam->Lors2Mars(i,0,0,p2,AliRICHParam::kPc); //point & norm for PC
- }//clusters loop for intersected chamber
-
-
- hnvec[9]=recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),iMipId); //search for mean Cerenkov angle for this track
- hnvec[10]=iMipId;//on return from ThetaCerenkov() contains number of photon candidates accepted
- hnvec[11]=(Double_t)iMipId;
- hnvec[12]=(Double_t)iChamber;
- hnvec[13]=(Double_t)pParticle->GetPdgCode();
- if(hn) hn->Fill(hnvec);
- AliDebug(1,Form("FINAL Theta Cerenkov=%f",hnvec[9]));
- }//stack particles loop
-
- pRich->GetLoader()->UnloadRecPoints();
- AliDebug(1,"Stop.");
-}//RecWithStack
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliRICHTracker::EsdQA(Bool_t isPrint)
-{
-// Reads a set of ESD files and print out or plot some information
-// Arguments: isPrint is a flag to choose between printing (isPrint = kTRUE) and plotting (isPrint = kFALSE)
-// Returns: none
-
- TFile *pFile=TFile::Open("AliESDs.root","read"); if(!pFile) {Printf("ERROR: AliESDs.root does not exist!");return;}
- TTree *pTr=(TTree*)pFile->Get("esdTree"); if(!pTr) {Printf("ERROR: AliESDs.root, no ESD tree inside!");return;}
- AliESD *pEsd=new AliESD; pTr->SetBranchAddress("ESD", &pEsd);
-
- Int_t iNevt=pTr->GetEntries(); Printf("This ESD contains %i events",iNevt);
- //AliRICHParam *pPar;
-
- TH1D *pDx=0,*pDy=0,*pProbEl=0,*pProbMu=0,*pProbPi=0,*pProbKa=0,*pProbPr=0; TH2F *pThP=0; TProfile *pChiTh=0;
- if(!isPrint){
- TH1::AddDirectory(kFALSE);
- pDx =new TH1D("dX" ,"distance between Xmip and Xtrack;cm",300,-1.5,1.5);
- pDy =new TH1D("dY" ,"distance between Ymip and Ytrack;cm",300,-1.5,1.5);
- pThP =new TH2F("tvsp","#theta_{Ckov} radian;P GeV" ,65 ,-0.5,6.0,75,0,0.75); pThP->SetStats(0);
- pProbPi=new TH1D("RichProbPion","HMPID PID probability for e #mu #pi" ,101,0.05,1.05); pProbPi->SetLineColor(kRed);
- pProbEl=new TH1D("RichProbEle" ,"" ,101,0.05,1.05); pProbEl->SetLineColor(kGreen);
- pProbMu=new TH1D("RichProbMuon" ,"" ,101,0.05,1.05); pProbMu->SetLineColor(kBlue);
- pProbKa=new TH1D("RichProbKaon","HMPID PID probability for K" ,101,0.05,1.05);
- pProbPr=new TH1D("RichProbProton","HMPID PID probability for p" ,101,0.05,1.05);
- pChiTh =new TProfile("RichChiTh","#chi^{2};#theta_{C}" ,80 ,0,0.8 , -2,2);
-
- //if(!gGeoManager)TGeoManager::Import("geometry.root");
- //pPar = AliRICHParam::Instance();
- }
-
- for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//ESD events loop
- pTr->GetEvent(iEvt);
- Int_t iNtracks=pEsd->GetNumberOfTracks(); Printf("ESD contains %i tracks created in Bz=%.2f Tesla",iNtracks,pEsd->GetMagneticField()/10.);
- for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){//ESD tracks loop
- AliESDtrack *pTrack = pEsd->GetTrack(iTrk);// get next reconstructed track
- Float_t dx,dy; pTrack->GetRICHdxdy(dx,dy);
- Float_t theta,phi; pTrack->GetRICHthetaPhi(theta,phi);
- TString comment;
- if(isPrint){
- if(pTrack->GetRICHsignal()>0) comment="OK";
- else if(pTrack->GetRICHsignal()==kMipQdcCut) comment="no enough QDC";
- else if(pTrack->GetRICHsignal()==kMipDistCut) comment="nearest cluster is too far";
- else if(pTrack->GetRICHsignal()==-1) comment="no intersection";
- Double_t pid[5]; pTrack->GetRICHpid(pid);
- Printf("Tr %2i Q=%4.1f P=%.3f GeV Tr-Mip=%5.2f cm Th=%7.3f rad Prob : e=%.4f mu=%.4f pi=%.4f K=%.4f p=%.4f %s" ,
- iTrk,pTrack->GetSign(),pTrack->GetP(),TMath::Sqrt(dx*dx+dy*dy),pTrack->GetRICHsignal(),
- pid[0],pid[1],pid[2],pid[3],pid[4], comment.Data());
- }else{//collect hists
-
- pDx->Fill(dx); pDy->Fill(dy);
- pThP->Fill(pTrack->GetP(),pTrack->GetRICHsignal());
- pChiTh->Fill(pTrack->GetRICHsignal(),pTrack->GetRICHchi2());
- Double_t prob[5]; pTrack->GetRICHpid(prob);
- pProbEl->Fill(prob[0]); pProbMu->Fill(prob[1]); pProbPi->Fill(prob[2]); pProbKa->Fill(prob[3]); pProbPr->Fill(prob[4]);
- }//if plot
- }//ESD tracks loop
- }//ESD events loop
- delete pEsd; pFile->Close();//close AliESDs.root
- if(!isPrint){
- TCanvas *pC=new TCanvas("c","Quality",1200,1500); pC->Divide(2,2);
- TF1 *pPion = new TF1("RICHtheor","acos(sqrt(x*x+[0]*[0])/(x*[1]))",1.2,6); pPion->SetLineWidth(1);pPion->SetParameter(1,1.292);
- AliPID ppp; pPion->SetParameter(0,AliPID::ParticleMass(AliPID::kPion)) ; pPion->SetLineColor(kRed);
- TF1 *pKaon = (TF1*)pPion->Clone(); pKaon->SetParameter(0,AliPID::ParticleMass(AliPID::kKaon)) ; pKaon->SetLineColor(kGreen);
- TF1 *pProt = (TF1*)pPion->Clone(); pProt->SetParameter(0,AliPID::ParticleMass(AliPID::kProton)); pProt->SetLineColor(kBlue);
-
-
- pC->cd(1); pDx->Draw();
- pC->cd(2); pDy->Draw();
- pC->cd(3); pThP->Draw(); pPion->Draw("same"); pKaon->Draw("same"); pProt->Draw("same");
- pC->cd(4); pChiTh->Draw();
-
- TCanvas *pC2=new TCanvas("c2","Quality 2",1200,1500); pC2->Divide(2,2);
- pC2->cd(1); pProbPi->Draw(); pProbMu->Draw("same"); pProbEl->Draw("same");
- pC2->cd(2); pProbKa->Draw();
- pC2->cd(3); pProbPr->Draw();
+ if(pTrk->Intersect(p1,n1,-GetBz())==kFALSE) continue; //try to intersect track with the middle of radiator
+ if(pTrk->Intersect(p2,n2,-GetBz())==kFALSE) continue; //try to intersect track with PC
+
+ pParam->Mars2LorsVec(i,n1,th,ph); //track angles
+ pParam->Mars2Lors (i,p1,xRa,yRa); //TRKxRAD position
+ pParam->Mars2Lors (i,p2,xPc,yPc); //TRKxPC position
+
+ if(AliRICHDigit::IsInside(xPc,yPc)==kFALSE) continue; //not in active area
+ iCh=i;
+ break;
+ }//chambers loop
+ if(iCh==-1) continue; //no intersection at all, go after next track
- }
-}
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliRICHTracker::MatrixPrint(Double_t probCut)
-{
-// Reads a set of 3 ESD files from current directory and prints out the matrix of probabilities to pion kaon or proton completely blindly withou nay assumption on the contents of files.
-// Normally it implies that those 3 ESDs contain only particles of the same sort namly pions, kaons and protons in that order.
-// Arguments: probCut - cut on probability
-// Returns: none
- for(Int_t iFile=0;iFile<3;iFile++){
- TFile *pFile=TFile::Open(Form("Esd%1i.root",iFile+1),"read"); if(!pFile) {Printf("ERROR: Esd%1i.root does not exist!",iFile+1);return;}
- TTree *pTr=(TTree*)pFile->Get("esdTree"); if(!pTr) {Printf("ERROR: Esd%1i.root, no ESD tree inside!",iFile+1);return;}
- AliESD *pEsd=new AliESD; pTr->SetBranchAddress("ESD", &pEsd);
- Int_t iProtCnt=0,iKaonCnt=0,iPionCnt=0,iUnreconCnt=0,iTrkCnt=0; //counters
+ TClonesArray *pCluLst=pRich->CluLst(iCh); //get clusters list for intersected chamber
- for(Int_t iEvt=0;iEvt<pTr->GetEntries();iEvt++){//ESD events loop
- pTr->GetEvent(iEvt);
- iTrkCnt+=pEsd->GetNumberOfTracks();
- for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//ESD tracks loop
- AliESDtrack *pTrack = pEsd->GetTrack(iTrk);// get next reconstructed track
- Float_t dx,dy; pTrack->GetRICHdxdy(dx,dy);
- Float_t theta,phi; pTrack->GetRICHthetaPhi(theta,phi);
- Double_t prob[5]; pTrack->GetRICHpid(prob);
- if(pTrack->GetRICHsignal()>0){
- if(prob[4]>probCut) iProtCnt++;
- if(prob[3]>probCut) iKaonCnt++;
- if((prob[0]+prob[1]+prob[2])>probCut) iPionCnt++;
- } else
- iUnreconCnt++;
- }//ESD tracks loop
+ Double_t dMin=999; //distance between track-PC intersection point and current cluster
+ Int_t iMip=-1; //index of cluster nearest to intersection point
+ for(Int_t iClu=0;iClu<pCluLst->GetEntries();iClu++){ //clusters loop for intersected chamber
+ AliRICHCluster *pClu=(AliRICHCluster*)pCluLst->At(iClu); //get pointer to current cluster
+ if(pClu->Q()<100) continue; //QDC is incompartible with mip, go after another one
- }//ESD events loop
- Printf("Bz=%5.2f Events=%i Total tracks=%i No recognized tracks=%i Pion=%i Kaon=%i Proton=%i ProbCut=%.2f",
- 0.1*pEsd->GetMagneticField(),pTr->GetEntries(),iTrkCnt,iUnreconCnt,iPionCnt,iKaonCnt,iProtCnt,probCut);
- delete pEsd; pFile->Close();//close AliESDs.root
- }//files loop
-}
+ Float_t dX=xPc-pClu->X(); //distance between current cluster and intersection point
+ Float_t dY=yPc-pClu->Y();
+ Float_t d =TMath::Sqrt(dX*dX+dY*dY);
+
+ if( d < dMin) {iMip=iClu; dMin=d;} //current cluster is closer, overwrite data for min cluster
+ }//clusters loop for intersected chamber
+
+// pTrk->SetRICHtrk (xPc,yPc,th,ph); //store track info
+// if(iMip==-1) {pTrk->SetRICHsignal (kMipQdcCut); continue;} //no clusters with QDC more the threshold at all
+
+// AliRICHCluster *pMipClu=(AliRICHCluster*)pCluLst->At(iMip); //take mip cluster
+
+// pTrk->SetRICHmip (pMipClu->X(),pMipClu->Y(),pMipClu->Q()); //store mip info
+ if(dMin>1) {pTrk->SetRICHsignal (kMipDistCut); continue;} //closest cluster with enough charge is still too far
+// pTrk->SetRICHcluIdx (iCh,iMip); //set mip cluster index
+ recon.SetTrack(th,ph,xRa,yRa); Int_t iNphot=0; //initialize track parameters
+ pTrk->SetRICHsignal (recon.CkovAngle(pCluLst,iNphot)); //search for Cerenkov angle for this track
+ pTrk->SetRICHchi2 (recon.CkovSigma2()); //error squared
+// pTrk->SetRICHmip (pMipClu->X(),pMipClu->Y(),pMipClu->Q(),iMip); //info on mip cluster + n. phot.
+ Printf("Ch=%i MIP-TRK=%5.2f cm Th=%f+-%f", iCh, dMin,pTrk->GetRICHsignal(),pTrk->GetRICHchi2());
+ }//ESD tracks loop
+ AliDebug(1,"Stop pattern recognition");
+ return 0; // error code: 0=no error;
+}//PropagateBack()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff