X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=RICH%2FAliRICHTracker.cxx;h=b4876601b31b3145ced9ebcc9a3abfbbaa918709;hb=1d4b0847fd9fdbdfba9a2fb894c229f11821df55;hp=1a86e3b4037d081ab53fe3ea10a8fa0aac1435d6;hpb=717518b361e8738cbc34eedd67867c42852339d2;p=u%2Fmrichter%2FAliRoot.git diff --git a/RICH/AliRICHTracker.cxx b/RICH/AliRICHTracker.cxx index 1a86e3b4037..b4876601b31 100644 --- a/RICH/AliRICHTracker.cxx +++ b/RICH/AliRICHTracker.cxx @@ -62,48 +62,47 @@ Int_t AliRICHTracker::PropagateBack(AliESD *pESD) // 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;iTrkGetTrack(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;iCluClus(iChamber)->GetEntries();iClu++){//clusters loop for intersected chamber - AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu);//get pointer to current cluster - if(pClu->Q()DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY); //get distance for current cluster - if(dRX(); 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;iCluClus(iChamber)->GetEntries();iClu++){ //clusters loop for intersected chamber + AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu); //get pointer to current cluster + if(pClu->Q()DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY); //get distance for current cluster + if(dRX(); 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); @@ -201,7 +200,7 @@ void AliRICHTracker::RecWithStack(TNtupleD *hn) //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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 @@ -209,75 +208,88 @@ void AliRICHTracker::EsdQA(Bool_t isPrint) 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;iEvtGetEvent(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;iTrkGetTrack(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;iEvtGetEntries();iEvt++){//ESD events loop + pTr->GetEvent(iEvt); iEvtCnt++; if(isPrint) Printf(""); + bz=pEsd->GetMagneticField()/10.; + for(Int_t iTrk=0;iTrkGetNumberOfTracks();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) {