// 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
+ Int_t nphots =0;
for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){//ESD tracks loop
- AliESDtrack *pTrack = pESD->GetTrack(iTrk);// get next reconstructed track
+ AliESDtrack *pTrk = 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
+ pTrk->GetPxPyPz(mom); TVector3 mom3(mom[0],mom[1],mom[2]);
+ pTrk->GetXYZ(pos); TVector3 pos3(pos[0],pos[1],pos[2]);
+ AliRICHHelix helix(pos3,mom3,(Int_t)pTrk->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
+ 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; Int_t mipQ=0; //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(); mipQ=pClu->Q();} //current cluster is closer, overwrite data for min cluster
}//clusters loop for intersected chamber
- 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
+ pTrk->SetRICHthetaPhi(helix.Ploc().Theta(),helix.Ploc().Phi()); //store track impact angles with respect to RICH planes
+ pTrk->SetRICHdxdy(mipDx,mipDy); //distance between track-PC intersection and closest cluster with Qdc>100
+ pTrk->SetRICHmipXY(mipX,mipY); //position of that closest cluster with Qdc>100
+ pTrk->SetRICHnclusters(1000000*mipQ); //charge 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
+ if(iMipId==-1) {pTrk->SetRICHsignal(kMipQdcCut); continue;} //no cluster with enough QDC found
+ if(mipDr>AliRICHParam::DmatchMIP()) {pTrk->SetRICHsignal(kMipDistCut); continue;} //closest cluster with enough carge is still too far
- pTrack->SetRICHcluster(iMipId+1000000*iChamber); //set mip cluster index
- Int_t nphots =0;
- pTrack->SetRICHsignal(recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),nphots));//search for mean Cerenkov angle for this track
- pTrack->SetRICHchi2(recon.GetRingSigma2());
- pTrack->SetRICHnclusters(nphots); //on return nphots is number of photon clusters accepted in reconstruction
+ pTrk->SetRICHcluster(iMipId+1000000*iChamber); //set mip cluster index
+ pTrk->SetRICHsignal(recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),nphots));//search for mean Cerenkov angle for this track
+ pTrk->SetRICHnclusters(1000000*mipQ+nphots); //on return nphots is number of photon clusters accepted in reconstruction
+ pTrk->SetRICHchi2(recon.GetRingSigma2());
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()));
+ iChamber,helix.PosPc().X(),helix.PosPc().Y(), mipDx,mipDy,mipDr, pTrk->GetRICHsignal()));
//here comes PID calculations
// CalcProb(pTrack->GetRICHsignal(),pTrack->GetP(),sigmaPID,richPID);
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliRICHTracker::EsdQA(Bool_t isPrint)
{
-// Reads a set of ESD files and print out or plot some information
+// Reads ESD file and print out or plot some information for QA
// Arguments: isPrint is a flag to choose between printing (isPrint = kTRUE) and plotting (isPrint = kFALSE)
// Returns: none
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;
+ TH1D *pProbEl=0,*pProbMu=0,*pProbPi=0,*pProbKa=0,*pProbPr=0,*pMom=0,*pMipQ=0;
+ TH2F *pThP=0,*pDxDy=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();
+ pProbEl=new TH1D("RiProbE" ,"Prob e" ,101 ,0 ,1.05); pProbEl->SetLineColor(kGreen);
+ pProbPi=new TH1D("RiProbPi","Prob #pi" ,101 ,0 ,1.05); pProbPi->SetLineColor(kRed);
+ pProbMu=new TH1D("RiProbMu","Prob #mu" ,101 ,0 ,1.05); pProbMu->SetLineColor(kBlue);
+ pProbKa=new TH1D("RiProbK" ,"Prob K" ,101 ,0 ,1.05);
+ pProbPr=new TH1D("RiProbP" ,"Prob p" ,101 ,0 ,1.05);
+ pMom =new TH1D("pMom" ,"Track P, GeV" ,200 ,0 ,20 );
+ pMipQ =new TH1D("RiMipQ" ,"Mip Q, ADC" ,2000 ,0 ,4000);
+ pThP =new TH2F("RiThP" ,"#theta_{Ckov} radian;P GeV" ,65 ,-0.5,6.0,75,0,0.75); pThP->SetStats(0);
+ pDxDy =new TH2F("RiDxDy" ,"distance between mip and track;cm",300,-2.5,2.5, 300,-2.5,2.5);
+ pChiTh =new TProfile("RiChiTh","#chi^{2};#theta_{C}" ,80 ,0,0.8 , -2,2);
}
- 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;
+ Int_t iEvtCnt=0,iTrkCnt=0,iGoodCnt=0; Float_t bz=0;
+ for(Int_t iEvt=0;iEvt<pTr->GetEntries();iEvt++){//ESD events loop
+ pTr->GetEvent(iEvt); iEvtCnt++; if(isPrint) Printf("");
+ bz=pEsd->GetMagneticField()/10.;
+ for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//ESD tracks loop
+ AliESDtrack *pTrk=pEsd->GetTrack(iTrk); iTrkCnt++; //get next reconstructed track and increment total tracks counter
+
+ Float_t mom =pTrk->GetP(); //track momentum
+ Double_t sign =pTrk->GetSign(); //track sign
+ Float_t ckov =pTrk->GetRICHsignal(); //Theta ckov for this track, rad
+ Float_t chi2 =pTrk->GetRICHchi2(); //Theta ckov error for this track, rad^2
+ Int_t qdc =pTrk->GetRICHnclusters()/1000000; //Mip candidate charge, qdc
+ Int_t nphot =pTrk->GetRICHnclusters()%1000000; //number of photon candidates
+ Float_t dx,dy; pTrk->GetRICHdxdy(dx,dy); //distance between mip position and track instersection
+ Float_t theta,phi; pTrk->GetRICHthetaPhi(theta,phi); //track inclination angles in LORS
+ Double_t pid[5]; pTrk->GetRICHpid(pid); //pid vector
+
+ if(ckov>0) iGoodCnt++;
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());
+ TString comment;
+ if(ckov>0) comment="OK";
+ else if(ckov==kMipQdcCut) comment="small QDC";
+ else if(ckov==kMipDistCut) comment="mip too far";
+ else if(ckov==-1) comment="no intersection";
+ Printf("Tr=%2i Q=%4.1f P=%.3f R=%4.2f Th=%6.3f MipQ= %4i Nph=%2i" " rad Prob : e=%.4f mu=%.4f pi=%.4f K=%.4f p=%.4f %s" ,
+ iTrk,sign,mom,TMath::Sqrt(dx*dx+dy*dy),ckov,qdc,nphot, 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]);
+ pMom->Fill(mom);
+ pMipQ->Fill(qdc);
+ pDxDy->Fill(dx,dy);
+ pThP->Fill(mom,ckov);
+ pChiTh->Fill(ckov,chi2);
+ pProbEl->Fill(pid[0]);
+ pProbMu->Fill(pid[1]);
+ pProbPi->Fill(pid[2]);
+ pProbKa->Fill(pid[3]);
+ pProbPr->Fill(pid[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);
-
+
+ TString summary=Form("Events: %i Tracks %i Good RICH: %i Mag Fld %.2f Tesla",iEvtCnt,iTrkCnt,iGoodCnt,bz);
+ if(isPrint){
+ Printf(summary.Data());
+ }else{
+ TCanvas *pC=new TCanvas("c",summary.Data()); pC->Divide(2,2);
+ TF1 *pPion = new TF1("RITheor","acos(sqrt(x*x+[0]*[0])/(x*[1]))",1.2,6); pPion->SetLineWidth(1);
+ pPion->SetParameter(1,1.292); //ref idx
+ AliPID ppp; pPion->SetLineColor(kRed); pPion->SetParameter(0,AliPID::ParticleMass(AliPID::kPion)); //mass
+ TF1 *pKaon = (TF1*)pPion->Clone(); pKaon->SetLineColor(kGreen); pKaon->SetParameter(0,AliPID::ParticleMass(AliPID::kKaon));
+ TF1 *pProt = (TF1*)pPion->Clone(); pProt->SetLineColor(kBlue); pProt->SetParameter(0,AliPID::ParticleMass(AliPID::kProton));
- 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();
+ pC->cd(1); pDxDy->Draw(); //distance between mip and track intersection
+ pC->cd(2); pMipQ->Draw();
+ pC->cd(3); pThP->Draw(); pPion->Draw("same"); pKaon->Draw("same"); pProt->Draw("same"); //Theta Ckov versus p + theoretical curves
+ pC->cd(4); pChiTh->Draw(); //Theta Ckov error versus theta Ckov
- TCanvas *pC2=new TCanvas("c2","Quality 2",1200,1500); pC2->Divide(2,2);
+ TCanvas *pC2=new TCanvas("c2",summary.Data()); 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();
-
-
+ pC2->cd(4); pMom->Draw();
}
-}
+}//EsdQA()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliRICHTracker::MatrixPrint(Double_t probCut)
{
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff