X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITStrackerMI.cxx;h=f7786642fcdf39aa4dc5278f2ad5f9733e7cb4c8;hb=80510bc2129c1e979bfd1f9350b3877e5c63e877;hp=9bc6edb046946b267f6a151aa0d56b820063171d;hpb=99c2ee26ac9088627d1e0dc20d83b57d8d8350ba;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITStrackerMI.cxx b/ITS/AliITStrackerMI.cxx index 9bc6edb0469..f7786642fcd 100644 --- a/ITS/AliITStrackerMI.cxx +++ b/ITS/AliITStrackerMI.cxx @@ -1,5 +1,5 @@ /************************************************************************** - * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * + * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * @@ -12,61 +12,144 @@ * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ +/* $Id$ */ //------------------------------------------------------------------------- // Implementation of the ITS tracker class -// It reads AliITSclusterV2 clusters and creates AliITStrackV2 tracks +// It reads AliITSRecPoint clusters and creates AliITStrackMI tracks // and fills with them the ESD -// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch -// dEdx analysis by: Boris Batyunya, JINR, Boris.Batiounia@cern.ch +// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch +// Current support and development: +// Andrea Dainese, andrea.dainese@lnl.infn.it +// dE/dx analysis by: Boris Batyunya, JINR, Boris.Batiounia@cern.ch +// Params moved to AliITSRecoParam by: Andrea Dainese, INFN +// Material budget from TGeo by: Ludovic Gaudichet & Andrea Dainese, INFN //------------------------------------------------------------------------- -#include - -#include +#include #include +#include +#include +#include #include -#include "AliITSgeom.h" + +#include "AliESDEvent.h" +#include "AliESDtrack.h" +#include "AliESDVertex.h" +#include "AliV0.h" +#include "AliHelix.h" #include "AliITSRecPoint.h" -#include "AliTPCtrack.h" -#include "AliESD.h" -#include "AliITSclusterV2.h" -//#include "AliITStrackerV2.h" +#include "AliITSgeomTGeo.h" +#include "AliITSReconstructor.h" +#include "AliTrackPointArray.h" +#include "AliAlignObj.h" +#include "AliITSClusterParam.h" +#include "AliCDBManager.h" +#include "AliCDBEntry.h" +#include "AliITSsegmentation.h" +#include "AliITSCalibration.h" +#include "AliITSCalibrationSPD.h" +#include "AliITSCalibrationSDD.h" +#include "AliITSCalibrationSSD.h" +#include "AliITSPlaneEff.h" +#include "AliITSPlaneEffSPD.h" +#include "AliITSPlaneEffSDD.h" +#include "AliITSPlaneEffSSD.h" #include "AliITStrackerMI.h" -#include "TMatrixD.h" -#include "AliHelix.h" -#include "AliV0vertex.h" ClassImp(AliITStrackerMI) -ClassImp(AliITSRecV0Info) - - -AliITStrackerMI::AliITSlayer AliITStrackerMI::fgLayers[kMaxLayer]; // ITS layers - -AliITStrackerMI::AliITStrackerMI(const AliITSgeom *geom) : AliTracker() { +AliITStrackerMI::AliITSlayer AliITStrackerMI::fgLayers[AliITSgeomTGeo::kNLayers]; // ITS layers + +AliITStrackerMI::AliITStrackerMI():AliTracker(), +fI(0), +fBestTrack(), +fTrackToFollow(), +fTrackHypothesys(), +fBestHypothesys(), +fOriginal(), +fCurrentEsdTrack(), +fPass(0), +fAfterV0(kFALSE), +fLastLayerToTrackTo(0), +fCoefficients(0), +fEsd(0), +fTrackingPhase("Default"), +fUseTGeo(3), +fNtracks(0), +fxOverX0Pipe(-1.), +fxTimesRhoPipe(-1.), +fxOverX0PipeTrks(0), +fxTimesRhoPipeTrks(0), +fxOverX0ShieldTrks(0), +fxTimesRhoShieldTrks(0), +fxOverX0LayerTrks(0), +fxTimesRhoLayerTrks(0), +fDebugStreamer(0), +fITSChannelStatus(0), +fDetTypeRec(0), +fPlaneEff(0) { + //Default constructor + Int_t i; + for(i=0;i<4;i++) fSPDdetzcentre[i]=0.; + for(i=0;i<2;i++) {fxOverX0Shield[i]=-1.;fxTimesRhoShield[i]=-1.;} + for(i=0;i<6;i++) {fxOverX0Layer[i]=-1.;fxTimesRhoLayer[i]=-1.;} +} +//------------------------------------------------------------------------ +AliITStrackerMI::AliITStrackerMI(const Char_t *geom) : AliTracker(), +fI(AliITSgeomTGeo::GetNLayers()), +fBestTrack(), +fTrackToFollow(), +fTrackHypothesys(), +fBestHypothesys(), +fOriginal(), +fCurrentEsdTrack(), +fPass(0), +fAfterV0(kFALSE), +fLastLayerToTrackTo(AliITSRecoParam::GetLastLayerToTrackTo()), +fCoefficients(0), +fEsd(0), +fTrackingPhase("Default"), +fUseTGeo(3), +fNtracks(0), +fxOverX0Pipe(-1.), +fxTimesRhoPipe(-1.), +fxOverX0PipeTrks(0), +fxTimesRhoPipeTrks(0), +fxOverX0ShieldTrks(0), +fxTimesRhoShieldTrks(0), +fxOverX0LayerTrks(0), +fxTimesRhoLayerTrks(0), +fDebugStreamer(0), +fITSChannelStatus(0), +fDetTypeRec(0), +fPlaneEff(0) { //-------------------------------------------------------------------- //This is the AliITStrackerMI constructor //-------------------------------------------------------------------- - AliITSgeom *g=(AliITSgeom*)geom; + if (geom) { + AliWarning("\"geom\" is actually a dummy argument !"); + } - Float_t x,y,z; - Int_t i; - for (i=1; iGetNladders(i); - Int_t ndet=g->GetNdetectors(i); + fCoefficients = 0; + fAfterV0 = kFALSE; - g->GetTrans(i,1,1,x,y,z); - Double_t r=TMath::Sqrt(x*x + y*y); + for (Int_t i=1; iGetTrans(i,1,2,x,y,z); + AliITSgeomTGeo::GetOrigTranslation(i,1,2,xyz); r += TMath::Sqrt(x*x + y*y); - g->GetTrans(i,2,1,x,y,z); + AliITSgeomTGeo::GetOrigTranslation(i,2,1,xyz); r += TMath::Sqrt(x*x + y*y); - g->GetTrans(i,2,2,x,y,z); + AliITSgeomTGeo::GetOrigTranslation(i,2,2,xyz); r += TMath::Sqrt(x*x + y*y); r*=0.25; @@ -74,98 +157,257 @@ AliITStrackerMI::AliITStrackerMI(const AliITSgeom *geom) : AliTracker() { for (Int_t j=1; jGetTrans(i,j,k,x,y,zshift); - Double_t rot[9]; g->GetRotMatrix(i,j,k,rot); - - Double_t phi=TMath::ATan2(rot[1],rot[0])+TMath::Pi(); - phi+=TMath::Pi()/2; - if (i==1) phi+=TMath::Pi(); - Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi); - Double_t r=x*cp+y*sp; + TGeoHMatrix m; AliITSgeomTGeo::GetOrigMatrix(i,j,k,m); + const TGeoHMatrix *tm=AliITSgeomTGeo::GetTracking2LocalMatrix(i,j,k); + m.Multiply(tm); + Double_t txyz[3]={0.}; + xyz[0]=0.;xyz[1]=0.;xyz[2]=0.; + m.LocalToMaster(txyz,xyz); + r=TMath::Sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]); + Double_t phi=TMath::ATan2(xyz[1],xyz[0]); + + if (phi<0) phi+=TMath::TwoPi(); + else if (phi>=TMath::TwoPi()) phi-=TMath::TwoPi(); AliITSdetector &det=fgLayers[i-1].GetDetector((j-1)*ndet + k-1); new(&det) AliITSdetector(r,phi); - } - } + // compute the real radius (with misalignment) + TGeoHMatrix mmisal(*(AliITSgeomTGeo::GetMatrix(i,j,k))); + mmisal.Multiply(tm); + xyz[0]=0.;xyz[1]=0.;xyz[2]=0.; + mmisal.LocalToMaster(txyz,xyz); + Double_t rmisal=TMath::Sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]); + det.SetRmisal(rmisal); + + } // end loop on detectors + } // end loop on ladders + } // end loop on layers - } - fI=kMaxLayer; + fI=AliITSgeomTGeo::GetNLayers(); fPass=0; fConstraint[0]=1; fConstraint[1]=0; - Double_t xyz[]={kXV,kYV,kZV}, ers[]={kSigmaXV,kSigmaYV,kSigmaZV}; - SetVertex(xyz,ers); + Double_t xyzVtx[]={AliITSReconstructor::GetRecoParam()->GetXVdef(), + AliITSReconstructor::GetRecoParam()->GetYVdef(), + AliITSReconstructor::GetRecoParam()->GetZVdef()}; + Double_t ersVtx[]={AliITSReconstructor::GetRecoParam()->GetSigmaXVdef(), + AliITSReconstructor::GetRecoParam()->GetSigmaYVdef(), + AliITSReconstructor::GetRecoParam()->GetSigmaZVdef()}; + SetVertex(xyzVtx,ersVtx); + + for (Int_t i=0; iGetUseTGeoInTracker(); + if(AliITSReconstructor::GetRecoParam()->GetExtendedEtaAcceptance() && fUseTGeo!=1 && fUseTGeo!=3) { + AliWarning("fUseTGeo changed to 3 because fExtendedEtaAcceptance is kTRUE"); + fUseTGeo = 3; + } + for(Int_t i=0;i<2;i++) {fxOverX0Shield[i]=-1.;fxTimesRhoShield[i]=-1.;} + for(Int_t i=0;i<6;i++) {fxOverX0Layer[i]=-1.;fxTimesRhoLayer[i]=-1.;} + + fDebugStreamer = new TTreeSRedirector("ITSdebug.root"); + + // only for plane efficiency evaluation + if (AliITSReconstructor::GetRecoParam()->GetComputePlaneEff()) { + Int_t iplane=AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff(); + if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(iplane)) + AliWarning(Form("Evaluation of Plane Eff for layer %d will be attempted without removing it from tracker",iplane)); + if (iplane<2) fPlaneEff = new AliITSPlaneEffSPD(); + else if (iplane<4) fPlaneEff = new AliITSPlaneEffSDD(); + else fPlaneEff = new AliITSPlaneEffSSD(); + if(AliITSReconstructor::GetRecoParam()->GetReadPlaneEffFromOCDB()) + if(!fPlaneEff->ReadFromCDB()) {AliWarning("AliITStrackerMI reading of AliITSPlaneEff from OCDB failed") ;} + if(AliITSReconstructor::GetRecoParam()->GetHistoPlaneEff()) fPlaneEff->SetCreateHistos(kTRUE); + } } - +//------------------------------------------------------------------------ +AliITStrackerMI::AliITStrackerMI(const AliITStrackerMI &tracker):AliTracker(tracker), +fI(tracker.fI), +fBestTrack(tracker.fBestTrack), +fTrackToFollow(tracker.fTrackToFollow), +fTrackHypothesys(tracker.fTrackHypothesys), +fBestHypothesys(tracker.fBestHypothesys), +fOriginal(tracker.fOriginal), +fCurrentEsdTrack(tracker.fCurrentEsdTrack), +fPass(tracker.fPass), +fAfterV0(tracker.fAfterV0), +fLastLayerToTrackTo(tracker.fLastLayerToTrackTo), +fCoefficients(tracker.fCoefficients), +fEsd(tracker.fEsd), +fTrackingPhase(tracker.fTrackingPhase), +fUseTGeo(tracker.fUseTGeo), +fNtracks(tracker.fNtracks), +fxOverX0Pipe(tracker.fxOverX0Pipe), +fxTimesRhoPipe(tracker.fxTimesRhoPipe), +fxOverX0PipeTrks(0), +fxTimesRhoPipeTrks(0), +fxOverX0ShieldTrks(0), +fxTimesRhoShieldTrks(0), +fxOverX0LayerTrks(0), +fxTimesRhoLayerTrks(0), +fDebugStreamer(tracker.fDebugStreamer), +fITSChannelStatus(tracker.fITSChannelStatus), +fDetTypeRec(tracker.fDetTypeRec), +fPlaneEff(tracker.fPlaneEff) { + //Copy constructor + Int_t i; + for(i=0;i<4;i++) { + fSPDdetzcentre[i]=tracker.fSPDdetzcentre[i]; + } + for(i=0;i<6;i++) { + fxOverX0Layer[i]=tracker.fxOverX0Layer[i]; + fxTimesRhoLayer[i]=tracker.fxTimesRhoLayer[i]; + } + for(i=0;i<2;i++) { + fxOverX0Shield[i]=tracker.fxOverX0Shield[i]; + fxTimesRhoShield[i]=tracker.fxTimesRhoShield[i]; + } +} +//------------------------------------------------------------------------ +AliITStrackerMI & AliITStrackerMI::operator=(const AliITStrackerMI &tracker){ + //Assignment operator + this->~AliITStrackerMI(); + new(this) AliITStrackerMI(tracker); + return *this; +} +//------------------------------------------------------------------------ +AliITStrackerMI::~AliITStrackerMI() +{ + // + //destructor + // + if (fCoefficients) delete [] fCoefficients; + DeleteTrksMaterialLUT(); + if (fDebugStreamer) { + //fDebugStreamer->Close(); + delete fDebugStreamer; + } + if(fITSChannelStatus) delete fITSChannelStatus; + if(fPlaneEff) delete fPlaneEff; +} +//------------------------------------------------------------------------ void AliITStrackerMI::SetLayersNotToSkip(Int_t *l) { //-------------------------------------------------------------------- //This function set masks of the layers which must be not skipped //-------------------------------------------------------------------- - for (Int_t i=0; iGetUseBadZonesFromOCDB()) return; + + Info("ReadBadFromDetTypeRec","Reading info about bad ITS detectors and channels\n"); + if(!fDetTypeRec) Error("ReadBadFromDetTypeRec","AliITSDetTypeRec nof found!\n"); + + // ITS channels map + if(fITSChannelStatus) delete fITSChannelStatus; + fITSChannelStatus = new AliITSChannelStatus(AliCDBManager::Instance()); + + // ITS detectors and chips + Int_t i=0,j=0,k=0,ndet=0; + for (i=1; iGetBranch("Clusters"); + TBranch *branch=cTree->GetBranch("ITSRecPoints"); if (!branch) { Error("LoadClusters"," can't get the branch !\n"); return 1; } - TClonesArray dummy("AliITSclusterV2",10000), *clusters=&dummy; + static TClonesArray dummy("AliITSRecPoint",10000), *clusters=&dummy; branch->SetAddress(&clusters); - Int_t j=0; + Int_t i=0,j=0,ndet=0; Int_t detector=0; - for (Int_t i=0; iGetEvent(j)) continue; Int_t ncl=clusters->GetEntriesFast(); SignDeltas(clusters,GetZ()); + while (ncl--) { - AliITSclusterV2 *c=(AliITSclusterV2*)clusters->UncheckedAt(ncl); - detector = c->GetDetectorIndex(); - fgLayers[i].InsertCluster(new AliITSclusterV2(*c)); + AliITSRecPoint *c=(AliITSRecPoint*)clusters->UncheckedAt(ncl); + detector=c->GetDetectorIndex(); + + if (!c->Misalign()) AliWarning("Can't misalign this cluster !"); + + fgLayers[i].InsertCluster(new AliITSRecPoint(*c)); } clusters->Delete(); - //add dead zone virtual "cluster" - if (i<2){ - for (Float_t ydead = 0; ydead < 1.31 ; ydead+=(i+1.)*0.018){ - Int_t lab[4] = {0,0,0,detector}; - Int_t info[3] = {0,0,0}; - Float_t hit[5]={0,0,0.004/12.,0.001/12.,0}; - if (i==0) hit[0] =ydead-0.4; - if (i==1) hit[0]=ydead-3.75; - hit[1] =-0.04; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); - hit[1]=-7.05; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); - hit[1]=-7.15; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); - hit[1] =0.06; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); - hit[1]=7.05; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); - hit[1]=7.25; - if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<2.) - fgLayers[i].InsertCluster(new AliITSclusterV2(lab, hit, info)); + // add dead zone "virtual" cluster in SPD, if there is a cluster within + // zwindow cm from the dead zone + if (i<2 && AliITSReconstructor::GetRecoParam()->GetAddVirtualClustersInDeadZone()) { + for (Float_t xdead = 0; xdead < AliITSRecoParam::GetSPDdetxlength(); xdead += (i+1.)*AliITSReconstructor::GetRecoParam()->GetXPassDeadZoneHits()) { + Int_t lab[4] = {0,0,0,detector}; + Int_t info[3] = {0,0,i}; + Float_t q = 0.; // this identifies virtual clusters + Float_t hit[5] = {xdead, + 0., + AliITSReconstructor::GetRecoParam()->GetSigmaXDeadZoneHit2(), + AliITSReconstructor::GetRecoParam()->GetSigmaZDeadZoneHit2(), + q}; + Bool_t local = kTRUE; + Double_t zwindow = AliITSReconstructor::GetRecoParam()->GetZWindowDeadZone(); + hit[1] = fSPDdetzcentre[0]+0.5*AliITSRecoParam::GetSPDdetzlength(); + if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])AddLast(cl); + } + } + + return; +} +//------------------------------------------------------------------------ +static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t) { //-------------------------------------------------------------------- // Correction for the material between the TPC and the ITS - // (should it belong to the TPC code ?) - //-------------------------------------------------------------------- - Double_t riw=80., diw=0.0053, x0iw=30; // TPC inner wall ? - Double_t rcd=61., dcd=0.0053, x0cd=30; // TPC "central drum" ? - Double_t yr=12.8, dr=0.03; // rods ? - Double_t zm=0.2, dm=0.40; // membrane - //Double_t rr=52., dr=0.19, x0r=24., yyr=7.77; //rails - Double_t rs=50., ds=0.001; // something belonging to the ITS (screen ?) - - if (t->GetX() > riw) { - if (!t->PropagateTo(riw,diw,x0iw)) return 1; - if (TMath::Abs(t->GetY())>yr) t->CorrectForMaterial(dr); - if (TMath::Abs(t->GetZ())CorrectForMaterial(dm); - if (!t->PropagateTo(rcd,dcd,x0cd)) return 1; - //Double_t x,y,z; t->GetGlobalXYZat(rr,x,y,z); - //if (TMath::Abs(y)PropagateTo(rr,dr,x0r); - if (!t->PropagateTo(rs,ds)) return 1; - } else if (t->GetX() < rs) { - if (!t->PropagateTo(rs,-ds)) return 1; - //Double_t x,y,z; t->GetGlobalXYZat(rr,x,y,z); - //if (TMath::Abs(y)PropagateTo(rr,-dr,x0r); - if (!t->PropagateTo(rcd,-dcd,x0cd)) return 1; - if (!t->PropagateTo(riw+0.001,-diw,x0iw)) return 1; + //-------------------------------------------------------------------- + if (t->GetX() > AliITSRecoParam::Getriw()) { // inward direction + if (!t->PropagateToTGeo(AliITSRecoParam::Getriw(),1)) return 0;// TPC inner wall + if (!t->PropagateToTGeo(AliITSRecoParam::Getrcd(),1)) return 0;// TPC central drum + if (!t->PropagateToTGeo(AliITSRecoParam::Getrs(),1)) return 0;// ITS screen + } else if (t->GetX() < AliITSRecoParam::Getrs()) { // outward direction + if (!t->PropagateToTGeo(AliITSRecoParam::Getrs(),1)) return 0;// ITS screen + if (!t->PropagateToTGeo(AliITSRecoParam::Getrcd(),1)) return 0;// TPC central drum + if (!t->PropagateToTGeo(AliITSRecoParam::Getriw()+0.001,1)) return 0;// TPC inner wall } else { - ::Error("CorrectForDeadZoneMaterial","track is already in the dead zone !"); - return 1; + Error("CorrectForTPCtoITSDeadZoneMaterial","Track is already in the dead zone !"); + return 0; } - return 0; + return 1; } - -Int_t AliITStrackerMI::Clusters2Tracks(AliESD *event) { +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::Clusters2Tracks(AliESDEvent *event) { //-------------------------------------------------------------------- // This functions reconstructs ITS tracks // The clusters must be already loaded ! //-------------------------------------------------------------------- + + + fTrackingPhase="Clusters2Tracks"; + TObjArray itsTracks(15000); + fOriginal.Clear(); + fEsd = event; // store pointer to the esd + + // temporary (for cosmics) + if(event->GetVertex()) { + TString title = event->GetVertex()->GetTitle(); + if(title.Contains("cosmics")) { + Double_t xyz[3]={GetX(),GetY(),GetZ()}; + Double_t exyz[3]={0.1,0.1,0.1}; + SetVertex(xyz,exyz); + } + } + // temporary {/* Read ESD tracks */ + Double_t pimass = TDatabasePDG::Instance()->GetParticle(211)->Mass(); Int_t nentr=event->GetNumberOfTracks(); Info("Clusters2Tracks", "Number of ESD tracks: %d\n", nentr); while (nentr--) { @@ -233,221 +499,132 @@ Int_t AliITStrackerMI::Clusters2Tracks(AliESD *event) { if ((esd->GetStatus()&AliESDtrack::kTPCin)==0) continue; if (esd->GetStatus()&AliESDtrack::kTPCout) continue; if (esd->GetStatus()&AliESDtrack::kITSin) continue; - - AliITStrackV2 *t=0; + if (esd->GetKinkIndex(0)>0) continue; //kink daughter + AliITStrackMI *t=0; try { - t=new AliITStrackV2(*esd); + t=new AliITStrackMI(*esd); } catch (const Char_t *msg) { - Warning("Clusters2Tracks",msg); + //Warning("Clusters2Tracks",msg); delete t; continue; } - t->fD[0] = t->GetD(GetX(),GetY()); - t->fD[1] = t->GetZat(GetX())-GetZ(); - Double_t vdist = TMath::Sqrt(t->fD[0]*t->fD[0]+t->fD[1]*t->fD[1]); - if (t->GetMass()<0.13) t->SetMass(0.13957); // MI look to the esd - mass hypothesys !!!!!!!!!!! - // write expected q - t->fExpQ = TMath::Max(0.8*t->fESDtrack->GetTPCsignal(),30.); + t->GetDZ(GetX(),GetY(),GetZ(),t->GetDP()); //I.B. + Double_t vdist = TMath::Sqrt(t->GetD(0)*t->GetD(0)+t->GetD(1)*t->GetD(1)); - if (TMath::Abs(t->fD[0])>10) { - delete t; - continue; - } - if (TMath::Abs(vdist)>20) { - delete t; - continue; - } - if (TMath::Abs(1/t->Get1Pt())<0.120) { - delete t; - continue; - } + // look at the ESD mass hypothesys ! + if (t->GetMass()<0.9*pimass) t->SetMass(pimass); + // write expected q + t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.)); - if (CorrectForDeadZoneMaterial(t)!=0) { - Warning("Clusters2Tracks", - "failed to correct for the material in the dead zone !\n"); - delete t; - continue; + if (esd->GetV0Index(0)>0 && t->GetD(0)GetMaxDforV0dghtrForProlongation()){ + //track - can be V0 according to TPC + } else { + if (TMath::Abs(t->GetD(0))>AliITSReconstructor::GetRecoParam()->GetMaxDForProlongation()) { + delete t; + continue; + } + if (TMath::Abs(vdist)>AliITSReconstructor::GetRecoParam()->GetMaxDZForProlongation()) { + delete t; + continue; + } + if (t->Pt()GetMinPtForProlongation()) { + delete t; + continue; + } + if (!CorrectForTPCtoITSDeadZoneMaterial(t)) { + delete t; + continue; + } } - t->fReconstructed = kFALSE; + t->SetReconstructed(kFALSE); itsTracks.AddLast(t); + fOriginal.AddLast(t); } } /* End Read ESD tracks */ itsTracks.Sort(); + fOriginal.Sort(); Int_t nentr=itsTracks.GetEntriesFast(); fTrackHypothesys.Expand(nentr); - MakeCoeficients(nentr); + fBestHypothesys.Expand(nentr); + MakeCoefficients(nentr); + if(fUseTGeo==3 || fUseTGeo==4) MakeTrksMaterialLUT(event->GetNumberOfTracks()); Int_t ntrk=0; + // THE TWO TRACKING PASSES for (fPass=0; fPass<2; fPass++) { Int_t &constraint=fConstraint[fPass]; if (constraint<0) continue; - for (Int_t i=0; ifReconstructed&&(t->fNUsed<1.5)) continue; //this track was already "succesfully" reconstructed - if ( (TMath::Abs(t->GetD(GetX(),GetY())) >3.) && fConstraint[fPass]) continue; - if ( (TMath::Abs(t->GetZat(GetX())-GetZ())>3.) && fConstraint[fPass]) continue; + //cout<<"========== "<GetReconstructed()&&(t->GetNUsed()<1.5)) continue; //this track was already "succesfully" reconstructed + Float_t dz[2]; t->GetDZ(GetX(),GetY(),GetZ(),dz); //I.B. + if (fConstraint[fPass]) { + if (TMath::Abs(dz[0])>AliITSReconstructor::GetRecoParam()->GetMaxDZToUseConstraint() || + TMath::Abs(dz[1])>AliITSReconstructor::GetRecoParam()->GetMaxDZToUseConstraint()) continue; + } Int_t tpcLabel=t->GetLabel(); //save the TPC track label fI = 6; ResetTrackToFollow(*t); ResetBestTrack(); - - FollowProlongationTree(t,i); + FollowProlongationTree(t,fCurrentEsdTrack,fConstraint[fPass]); + SortTrackHypothesys(fCurrentEsdTrack,20,0); //MI change // - AliITStrackV2 * besttrack = GetBestHypothesys(fCurrentEsdTrack,t,15); + AliITStrackMI *besttrack = GetBestHypothesys(fCurrentEsdTrack,t,15); if (!besttrack) continue; besttrack->SetLabel(tpcLabel); // besttrack->CookdEdx(); CookdEdx(besttrack); - besttrack->fFakeRatio=1.; + besttrack->SetFakeRatio(1.); CookLabel(besttrack,0.); //For comparison only - // besttrack->UpdateESDtrack(AliESDtrack::kITSin); - // - UpdateESDtrack(besttrack,AliESDtrack::kITSin); - - if ( besttrack->GetNumberOfClusters()<5 && fConstraint[fPass]) { - continue; - } - if (besttrack->fChi2MIP[0]+besttrack->fNUsed>3.5) continue; - if ( (TMath::Abs(besttrack->fD[0]*besttrack->fD[0]+besttrack->fD[1]*besttrack->fD[1])>0.1) && fConstraint[fPass]) continue; - //delete itsTracks.RemoveAt(i); - t->fReconstructed = kTRUE; - ntrk++; + + if (fConstraint[fPass]&&(!besttrack->IsGoldPrimary())) continue; //to be tracked also without vertex constrain + + t->SetReconstructed(kTRUE); + ntrk++; } GetBestHypothesysMIP(itsTracks); - } - - //GetBestHypothesysMIP(itsTracks); - //FindV0(event); + } // end loop on the two tracking passes + if(event->GetNumberOfV0s()>0) UpdateTPCV0(event); + if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) FindV02(event); + fAfterV0 = kTRUE; + // itsTracks.Delete(); // Int_t entries = fTrackHypothesys.GetEntriesFast(); - for (Int_t ientry=0;ientryDelete(); delete fTrackHypothesys.RemoveAt(ientry); } fTrackHypothesys.Delete(); - Info("Clusters2Tracks","Number of prolonged tracks: %d\n",ntrk); - - return 0; -} - - - -Int_t AliITStrackerMI::Clusters2Tracks(TTree *tpcTree, TTree *itsTree) { - //-------------------------------------------------------------------- - // This functions reconstructs ITS tracks - // The clusters must be already loaded ! - //-------------------------------------------------------------------- - Int_t nentr=0; TObjArray itsTracks(15000); - - Warning("Clusters2Tracks(TTree *, TTree *)", - "Will be removed soon ! Use Clusters2Tracks(AliESD *) instead."); - - {/* Read TPC tracks */ - AliTPCtrack *itrack=new AliTPCtrack; - TBranch *branch=tpcTree->GetBranch("tracks"); - if (!branch) { - Error("Clusters2Tracks","Can't get the branch !"); - return 1; - } - tpcTree->SetBranchAddress("tracks",&itrack); - nentr=(Int_t)tpcTree->GetEntries(); - - Info("Clusters2Tracks","Number of TPC tracks: %d\n",nentr); - - for (Int_t i=0; iGetEvent(i); - AliITStrackV2 *t=0; - try { - t=new AliITStrackV2(*itrack); - } catch (const Char_t *msg) { - Warning("Clusters2Tracks",msg); - delete t; - continue; - } - if (TMath::Abs(t->GetD())>4) { - delete t; - continue; - } - - if (CorrectForDeadZoneMaterial(t)!=0) { - Warning("Clusters2Tracks", - "failed to correct for the material in the dead zone !\n"); - delete t; - continue; - } - - itsTracks.AddLast(t); - } - delete itrack; - } - itsTracks.Sort(); - nentr=itsTracks.GetEntriesFast(); - - - AliITStrackV2 *otrack=&fBestTrack; - TBranch *branch=itsTree->GetBranch("tracks"); - if (!branch) itsTree->Branch("tracks","AliITStrackV2",&otrack,32000,3); - else branch->SetAddress(&otrack); - - for (fPass=0; fPass<2; fPass++) { - Int_t &constraint=fConstraint[fPass]; if (constraint<0) continue; - for (Int_t i=0; iGetLabel(); //save the TPC track label - - ResetTrackToFollow(*t); - ResetBestTrack(); - /* - for (FollowProlongation(); fIFill(); - //UseClusters(&fBestTrack); - delete itsTracks.RemoveAt(i); - } - } - - nentr=(Int_t)itsTree->GetEntries(); - Info("Clusters2Tracks","Number of prolonged tracks: %d\n",nentr); + fBestHypothesys.Delete(); + fOriginal.Clear(); + delete [] fCoefficients; + fCoefficients=0; + DeleteTrksMaterialLUT(); - itsTracks.Delete(); + Info("Clusters2Tracks","Number of prolonged tracks: %d\n",ntrk); + fTrackingPhase="Default"; + return 0; } - -Int_t AliITStrackerMI::PropagateBack(AliESD *event) { +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::PropagateBack(AliESDEvent *event) { //-------------------------------------------------------------------- // This functions propagates reconstructed ITS tracks back // The clusters must be loaded ! //-------------------------------------------------------------------- + fTrackingPhase="PropagateBack"; Int_t nentr=event->GetNumberOfTracks(); Info("PropagateBack", "Number of ESD tracks: %d\n", nentr); @@ -458,32 +635,30 @@ Int_t AliITStrackerMI::PropagateBack(AliESD *event) { if ((esd->GetStatus()&AliESDtrack::kITSin)==0) continue; if (esd->GetStatus()&AliESDtrack::kITSout) continue; - AliITStrackV2 *t=0; + AliITStrackMI *t=0; try { - t=new AliITStrackV2(*esd); + t=new AliITStrackMI(*esd); } catch (const Char_t *msg) { - Warning("PropagateBack",msg); + //Warning("PropagateBack",msg); delete t; continue; } - t->fExpQ = TMath::Max(0.8*t->fESDtrack->GetTPCsignal(),30.); + t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.)); ResetTrackToFollow(*t); - // propagete to vertex [SR, GSI 17.02.2003] + // propagate to vertex [SR, GSI 17.02.2003] // Start Time measurement [SR, GSI 17.02.2003], corrected by I.Belikov - if (fTrackToFollow.PropagateTo(3.,0.0028,65.19)) { - if (fTrackToFollow.PropagateToVertex()) { - fTrackToFollow.StartTimeIntegral(); - } - fTrackToFollow.PropagateTo(3.,-0.0028,65.19); + if (CorrectForPipeMaterial(&fTrackToFollow,"inward")) { + if (fTrackToFollow.PropagateToVertex(event->GetVertex())) + fTrackToFollow.StartTimeIntegral(); + // from vertex to outside pipe + CorrectForPipeMaterial(&fTrackToFollow,"outward"); } - fTrackToFollow.ResetCovariance(); fTrackToFollow.ResetClusters(); - if (RefitAt(49.,&fTrackToFollow,t)) { - if (CorrectForDeadZoneMaterial(&fTrackToFollow)!=0) { - Warning("PropagateBack", - "failed to correct for the material in the dead zone !\n"); + fTrackToFollow.ResetCovariance(10.); fTrackToFollow.ResetClusters(); + if (RefitAt(AliITSRecoParam::GetrInsideITSscreen(),&fTrackToFollow,t)) { + if (!CorrectForTPCtoITSDeadZoneMaterial(&fTrackToFollow)) { delete t; continue; } @@ -499,15 +674,19 @@ Int_t AliITStrackerMI::PropagateBack(AliESD *event) { Info("PropagateBack","Number of back propagated ITS tracks: %d\n",ntrk); + fTrackingPhase="Default"; + return 0; } - -Int_t AliITStrackerMI::RefitInward(AliESD *event) { +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::RefitInward(AliESDEvent *event) { //-------------------------------------------------------------------- // This functions refits ITS tracks using the // "inward propagated" TPC tracks // The clusters must be loaded ! //-------------------------------------------------------------------- + fTrackingPhase="RefitInward"; + if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) RefitV02(event); Int_t nentr=event->GetNumberOfTracks(); Info("RefitInward", "Number of ESD tracks: %d\n", nentr); @@ -520,18 +699,16 @@ Int_t AliITStrackerMI::RefitInward(AliESD *event) { if (esd->GetStatus()&AliESDtrack::kTPCout) if ((esd->GetStatus()&AliESDtrack::kTPCrefit)==0) continue; - AliITStrackV2 *t=0; + AliITStrackMI *t=0; try { - t=new AliITStrackV2(*esd); + t=new AliITStrackMI(*esd); } catch (const Char_t *msg) { - Warning("RefitInward",msg); + //Warning("RefitInward",msg); delete t; continue; } - t->fExpQ = TMath::Max(0.8*t->fESDtrack->GetTPCsignal(),30.); - if (CorrectForDeadZoneMaterial(t)!=0) { - Warning("RefitInward", - "failed to correct for the material in the dead zone !\n"); + t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.)); + if (!CorrectForTPCtoITSDeadZoneMaterial(t)) { delete t; continue; } @@ -540,47 +717,27 @@ Int_t AliITStrackerMI::RefitInward(AliESD *event) { fTrackToFollow.ResetClusters(); if ((esd->GetStatus()&AliESDtrack::kTPCin)==0) - fTrackToFollow.ResetCovariance(); + fTrackToFollow.ResetCovariance(10.); //Refitting... - if (RefitAt(3.7, &fTrackToFollow, t)) { + Bool_t pe=AliITSReconstructor::GetRecoParam()->GetComputePlaneEff(); + if (RefitAt(AliITSRecoParam::GetrInsideSPD1(),&fTrackToFollow,t,kTRUE,pe)) { fTrackToFollow.SetLabel(t->GetLabel()); // fTrackToFollow.CookdEdx(); CookdEdx(&fTrackToFollow); CookLabel(&fTrackToFollow,0.0); //For comparison only - if (fTrackToFollow.PropagateTo(3.,0.0028,65.19)) {//The beam pipe - Double_t a=fTrackToFollow.GetAlpha(); - Double_t cs=TMath::Cos(a),sn=TMath::Sin(a); - Double_t xv= GetX()*cs + GetY()*sn; - Double_t yv=-GetX()*sn + GetY()*cs; - - Double_t c=fTrackToFollow.GetC(), snp=fTrackToFollow.GetSnp(); - Double_t x=fTrackToFollow.GetX(), y=fTrackToFollow.GetY(); - Double_t tgfv=-(c*(x-xv)-snp)/(c*(y-yv) + TMath::Sqrt(1.-snp*snp)); - Double_t fv=TMath::ATan(tgfv); - - cs=TMath::Cos(fv); sn=TMath::Sin(fv); - x = xv*cs + yv*sn; - yv=-xv*sn + yv*cs; xv=x; - - if (fTrackToFollow.Propagate(fv+a,xv)) { - fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSrefit); - //UseClusters(&fTrackToFollow); - { - AliITSclusterV2 c; c.SetY(yv); c.SetZ(GetZ()); - c.SetSigmaY2(GetSigmaY()*GetSigmaY()); - c.SetSigmaZ2(GetSigmaZ()*GetSigmaZ()); - Double_t chi2=fTrackToFollow.GetPredictedChi2(&c); - //Double_t chi2=GetPredictedChi2MI(&fTrackToFollow,&c,fI); - if (chi2GetITSModuleIndex(0)); + //esdTrack->UpdateTrackParams(&fTrackToFollow,AliESDtrack::kITSrefit); //original line + Float_t r[3]={0.,0.,0.}; + Double_t maxD=3.; + esdTrack->RelateToVertex(event->GetVertex(),GetBz(r),maxD); + ntrk++; } } delete t; @@ -588,9 +745,11 @@ Int_t AliITStrackerMI::RefitInward(AliESD *event) { Info("RefitInward","Number of refitted tracks: %d\n",ntrk); + fTrackingPhase="Default"; + return 0; } - +//------------------------------------------------------------------------ AliCluster *AliITStrackerMI::GetCluster(Int_t index) const { //-------------------------------------------------------------------- // Return pointer to a given cluster @@ -599,268 +758,608 @@ AliCluster *AliITStrackerMI::GetCluster(Int_t index) const { Int_t c=(index & 0x0fffffff) >> 00; return fgLayers[l].GetCluster(c); } +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::GetTrackPoint(Int_t index, AliTrackPoint& p) const { + //-------------------------------------------------------------------- + // Get track space point with index i + //-------------------------------------------------------------------- + Int_t l=(index & 0xf0000000) >> 28; + Int_t c=(index & 0x0fffffff) >> 00; + AliITSRecPoint *cl = fgLayers[l].GetCluster(c); + Int_t idet = cl->GetDetectorIndex(); + + Float_t xyz[3]; + Float_t cov[6]; + cl->GetGlobalXYZ(xyz); + cl->GetGlobalCov(cov); + p.SetXYZ(xyz, cov); + p.SetCharge(cl->GetQ()); + p.SetDriftTime(cl->GetDriftTime()); + AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer; + switch (l) { + case 0: + iLayer = AliGeomManager::kSPD1; + break; + case 1: + iLayer = AliGeomManager::kSPD2; + break; + case 2: + iLayer = AliGeomManager::kSDD1; + break; + case 3: + iLayer = AliGeomManager::kSDD2; + break; + case 4: + iLayer = AliGeomManager::kSSD1; + break; + case 5: + iLayer = AliGeomManager::kSSD2; + break; + default: + AliWarning(Form("Wrong layer index in ITS (%d) !",l)); + break; + }; + UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,idet); + p.SetVolumeID((UShort_t)volid); + return kTRUE; +} +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::GetTrackPointTrackingError(Int_t index, + AliTrackPoint& p, const AliESDtrack *t) { + //-------------------------------------------------------------------- + // Get track space point with index i + // (assign error estimated during the tracking) + //-------------------------------------------------------------------- -void AliITStrackerMI::FollowProlongationTree(AliITStrackV2 * otrack, Int_t esdindex) + Int_t l=(index & 0xf0000000) >> 28; + Int_t c=(index & 0x0fffffff) >> 00; + const AliITSRecPoint *cl = fgLayers[l].GetCluster(c); + Int_t idet = cl->GetDetectorIndex(); + const AliITSdetector &det=fgLayers[l].GetDetector(idet); + + // tgphi and tglambda of the track in tracking frame with alpha=det.GetPhi + Float_t detxy[2]; + detxy[0] = det.GetR()*TMath::Cos(det.GetPhi()); + detxy[1] = det.GetR()*TMath::Sin(det.GetPhi()); + Double_t alpha = t->GetAlpha(); + Double_t xdetintrackframe = detxy[0]*TMath::Cos(alpha)+detxy[1]*TMath::Sin(alpha); + Float_t phi = TMath::ASin(t->GetSnpAt(xdetintrackframe,AliTracker::GetBz())); + phi += alpha-det.GetPhi(); + Float_t tgphi = TMath::Tan(phi); + + Float_t tgl = t->GetTgl(); // tgl about const along track + Float_t expQ = TMath::Max(0.8*t->GetTPCsignal(),30.); + + Float_t errlocalx,errlocalz; + Bool_t addMisalErr=kFALSE; + AliITSClusterParam::GetError(l,cl,tgl,tgphi,expQ,errlocalx,errlocalz,addMisalErr); + + Float_t xyz[3]; + Float_t cov[6]; + cl->GetGlobalXYZ(xyz); + // cl->GetGlobalCov(cov); + Float_t pos[3] = {0.,0.,0.}; + AliCluster tmpcl((UShort_t)cl->GetVolumeId(),pos[0],pos[1],pos[2],errlocalx*errlocalx,errlocalz*errlocalz,0); + tmpcl.GetGlobalCov(cov); + + p.SetXYZ(xyz, cov); + p.SetCharge(cl->GetQ()); + p.SetDriftTime(cl->GetDriftTime()); + + AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer; + switch (l) { + case 0: + iLayer = AliGeomManager::kSPD1; + break; + case 1: + iLayer = AliGeomManager::kSPD2; + break; + case 2: + iLayer = AliGeomManager::kSDD1; + break; + case 3: + iLayer = AliGeomManager::kSDD2; + break; + case 4: + iLayer = AliGeomManager::kSSD1; + break; + case 5: + iLayer = AliGeomManager::kSSD2; + break; + default: + AliWarning(Form("Wrong layer index in ITS (%d) !",l)); + break; + }; + UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,idet); + p.SetVolumeID((UShort_t)volid); + return kTRUE; +} +//------------------------------------------------------------------------ +void AliITStrackerMI::FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain) { //-------------------------------------------------------------------- // Follow prolongation tree //-------------------------------------------------------------------- + // + Double_t xyzVtx[]={GetX(),GetY(),GetZ()}; + Double_t ersVtx[]={GetSigmaX(),GetSigmaY(),GetSigmaZ()}; + + + AliESDtrack * esd = otrack->GetESDtrack(); + if (esd->GetV0Index(0)>0) { + // TEMPORARY SOLLUTION: map V0 indexes to point to proper track + // mapping of ESD track is different as ITS track in Containers + // Need something more stable + // Indexes are set back again to the ESD track indexes in UpdateTPCV0 + for (Int_t i=0;i<3;i++){ + Int_t index = esd->GetV0Index(i); + if (index==0) break; + AliESDv0 * vertex = fEsd->GetV0(index); + if (vertex->GetStatus()<0) continue; // rejected V0 + // + if (esd->GetSign()>0) { + vertex->SetIndex(0,esdindex); + } else { + vertex->SetIndex(1,esdindex); + } + } + } + TObjArray *bestarray = (TObjArray*)fBestHypothesys.At(esdindex); + if (!bestarray){ + bestarray = new TObjArray(5); + fBestHypothesys.AddAt(bestarray,esdindex); + } + // //setup tree of the prolongations // - static AliITStrackV2 tracks[7][100]; - AliITStrackV2 *currenttrack; - static AliITStrackV2 currenttrack1; - static AliITStrackV2 currenttrack2; - static AliITStrackV2 backuptrack; + static AliITStrackMI tracks[7][100]; + AliITStrackMI *currenttrack; + static AliITStrackMI currenttrack1; + static AliITStrackMI currenttrack2; + static AliITStrackMI backuptrack; Int_t ntracks[7]; Int_t nindexes[7][100]; Float_t normalizedchi2[100]; for (Int_t ilayer=0;ilayer<6;ilayer++) ntracks[ilayer]=0; - otrack->fNSkipped=0; - new (&(tracks[6][0])) AliITStrackV2(*otrack); + otrack->SetNSkipped(0); + new (&(tracks[6][0])) AliITStrackMI(*otrack); ntracks[6]=1; - nindexes[6][0]=0; + for (Int_t i=0;i<7;i++) nindexes[i][0]=0; + Int_t modstatus = 1; // found + Float_t xloc,zloc; // // // follow prolongations - for (Int_t ilayer=5;ilayer>=0;ilayer--){ + for (Int_t ilayer=5; ilayer>=0; ilayer--) { + //printf("FollowProlongationTree: layer %d\n",ilayer); + fI = ilayer; // - AliITSlayer &layer=fgLayers[ilayer]; - Double_t r=layer.GetR(); + AliITSlayer &layer=fgLayers[ilayer]; + Double_t r = layer.GetR(); ntracks[ilayer]=0; // // - Int_t nskipped=0; + Int_t nskipped=0; Float_t nused =0; - for (Int_t itrack =0;itrack=100) break; - if (tracks[ilayer+1][nindexes[ilayer+1][itrack]].fNSkipped>0) nskipped++; - if (tracks[ilayer+1][nindexes[ilayer+1][itrack]].fNUsed>2.) nused++; + if (tracks[ilayer+1][nindexes[ilayer+1][itrack]].GetNSkipped()>0) nskipped++; + if (tracks[ilayer+1][nindexes[ilayer+1][itrack]].GetNUsed()>2.) nused++; if (ntracks[ilayer]>15+ilayer){ - if (itrack>1&&tracks[ilayer+1][nindexes[ilayer+1][itrack]].fNSkipped>0 && nskipped>4+ilayer) continue; - if (itrack>1&&tracks[ilayer+1][nindexes[ilayer+1][itrack]].fNUsed>2. && nused>3) continue; + if (itrack>1&&tracks[ilayer+1][nindexes[ilayer+1][itrack]].GetNSkipped()>0 && nskipped>4+ilayer) continue; + if (itrack>1&&tracks[ilayer+1][nindexes[ilayer+1][itrack]].GetNUsed()>2. && nused>3) continue; } - new(¤ttrack1) AliITStrackV2(tracks[ilayer+1][nindexes[ilayer+1][itrack]]); - if (ilayer==3 || ilayer==1) { - Double_t rs=0.5*(fgLayers[ilayer+1].GetR() + r); - Double_t d=0.0034, x0=38.6; - if (ilayer==1) {rs=9.; d=0.0097; x0=42;} - if (!currenttrack1.PropagateTo(rs,d,x0)) { - continue; - } - } - // - //find intersection with layer - Double_t x,y,z; - if (!currenttrack1.GetGlobalXYZat(r,x,y,z)) { - continue; - } - Double_t phi=TMath::ATan2(y,x); + new(¤ttrack1) AliITStrackMI(tracks[ilayer+1][nindexes[ilayer+1][itrack]]); + + // material between SSD and SDD, SDD and SPD + if (ilayer==3) + if(!CorrectForShieldMaterial(¤ttrack1,"SDD","inward")) continue; + if (ilayer==1) + if(!CorrectForShieldMaterial(¤ttrack1,"SPD","inward")) continue; + + // detector number + Double_t phi,z; + if (!currenttrack1.GetPhiZat(r,phi,z)) continue; Int_t idet=layer.FindDetectorIndex(phi,z); - if (idet<0) { + + Double_t trackGlobXYZ1[3]; + currenttrack1.GetXYZ(trackGlobXYZ1); + + // Get the budget to the primary vertex for the current track being prolonged + Double_t budgetToPrimVertex = GetEffectiveThickness(); + + // check if we allow a prolongation without point + Int_t skip = CheckSkipLayer(¤ttrack1,ilayer,idet); + if (skip) { + AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1); + // propagate to the layer radius + Double_t xToGo; vtrack->GetLocalXat(r,xToGo); + vtrack->AliExternalTrackParam::PropagateTo(xToGo,GetBz()); + // apply correction for material of the current layer + CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward"); + vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1); + vtrack->SetClIndex(ilayer,0); + modstatus = (skip==1 ? 3 : 4); // skipped : out in z + LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc); // local module coords + vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + if(constrain) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx); + ntracks[ilayer]++; continue; } - //propagate to the intersection + + // track outside layer acceptance in z + if (idet<0) continue; + + //propagate to the intersection with the detector plane const AliITSdetector &det=layer.GetDetector(idet); - phi=det.GetPhi(); - new(¤ttrack2) AliITStrackV2(currenttrack1); - if (!currenttrack1.Propagate(phi,det.GetR())) { - continue; - } - currenttrack2.Propagate(phi,det.GetR()); // + new(¤ttrack2) AliITStrackMI(currenttrack1); + if (!currenttrack1.Propagate(det.GetPhi(),det.GetR())) continue; + currenttrack2.Propagate(det.GetPhi(),det.GetR()); currenttrack1.SetDetectorIndex(idet); currenttrack2.SetDetectorIndex(idet); - - // - // - Double_t dz=7.5*TMath::Sqrt(currenttrack1.GetSigmaZ2() + 16.*kSigmaZ2[ilayer]); - Double_t dy=7.5*TMath::Sqrt(currenttrack1.GetSigmaY2() + 16.*kSigmaY2[ilayer]); + LocalModuleCoord(ilayer,idet,¤ttrack1,xloc,zloc); // local module coords + + //*************** + // DEFINITION OF SEARCH ROAD AND CLUSTERS SELECTION // - Bool_t isBoundary=kFALSE; - if (currenttrack1.GetY()-dy< det.GetYmin()+0.2) isBoundary = kTRUE; - if (currenttrack1.GetY()+dy> det.GetYmax()-0.2) isBoundary = kTRUE; - if (currenttrack1.GetZ()-dz< det.GetZmin()+0.2) isBoundary = kTRUE; - if (currenttrack1.GetZ()+dz> det.GetZmax()-0.2) isBoundary = kTRUE; - - if (isBoundary){ // track at boundary between detectors - Float_t maxtgl = TMath::Abs(currenttrack1.GetTgl()); - if (maxtgl>1) maxtgl=1; - dz = TMath::Sqrt(dz*dz+0.25*maxtgl*maxtgl); - // - Float_t maxsnp = TMath::Abs(currenttrack1.GetSnp()); - if (maxsnp>0.95) continue; - //if (maxsnp>0.5) maxsnp=0.5; - dy=TMath::Sqrt(dy*dy+0.25*maxsnp*maxsnp); - } - - Double_t zmin=currenttrack1.GetZ() - dz; - Double_t zmax=currenttrack1.GetZ() + dz; - Double_t ymin=currenttrack1.GetY() + r*phi - dy; - Double_t ymax=currenttrack1.GetY() + r*phi + dy; + // road in global (rphi,z) [i.e. in tracking ref. system] + Double_t zmin,zmax,ymin,ymax; + if (!ComputeRoad(¤ttrack1,ilayer,idet,zmin,zmax,ymin,ymax)) continue; + + // select clusters in road layer.SelectClusters(zmin,zmax,ymin,ymax); + //******************** + + // Define criteria for track-cluster association + Double_t msz = currenttrack1.GetSigmaZ2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer); + Double_t msy = currenttrack1.GetSigmaY2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer); + if (constrain) { + msz *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadZC(); + msy *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadYC(); + } else { + msz *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadZNonC(); + msy *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadYNonC(); + } + msz = 1./msz; // 1/RoadZ^2 + msy = 1./msy; // 1/RoadY^2 + // - // loop over all possible prolongations // - Double_t msz=1./((currenttrack1.GetSigmaZ2() + 16.*kSigmaZ2[ilayer])); - Double_t msy=1./((currenttrack1.GetSigmaY2() + 16.*kSigmaY2[ilayer])); - if (fConstraint[fPass]){ - msy/=60; msz/=60.; - } - else{ - msy/=50; msz/=50.; - } + // LOOP OVER ALL POSSIBLE TRACK PROLONGATIONS ON THIS LAYER // - const AliITSclusterV2 *c=0; Int_t ci=-1; - Double_t chi2=12345.; - Int_t deadzone=0; + const AliITSRecPoint *cl=0; + Int_t clidx=-1; + Double_t chi2trkcl=AliITSReconstructor::GetRecoParam()->GetMaxChi2(); // init with big value + Bool_t deadzoneSPD=kFALSE; currenttrack = ¤ttrack1; - while ((c=layer.GetNextCluster(ci))!=0) { + + // check if the road contains a dead zone + Bool_t noClusters = kFALSE; + if (!layer.GetNextCluster(clidx,kTRUE)) noClusters=kTRUE; + //if (noClusters) printf("no clusters in road\n"); + Double_t dz=0.5*(zmax-zmin); + Double_t dy=0.5*(ymax-ymin); + Int_t dead = CheckDeadZone(¤ttrack1,ilayer,idet,dz,dy,noClusters); + // create a prolongation without clusters (check also if there are no clusters in the road) + if (dead || + (noClusters && + AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad())) { + AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack); + updatetrack->SetClIndex(ilayer,0); + if (dead==0) { + modstatus = 5; // no cls in road + } else if (dead==1) { + modstatus = 7; // holes in z in SPD + } else if (dead==2 || dead==3) { + modstatus = 2; // dead from OCDB + } + updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + // apply correction for material of the current layer + CorrectForLayerMaterial(updatetrack,ilayer,trackGlobXYZ1,"inward"); + if (constrain) { // apply vertex constrain + updatetrack->SetConstrain(constrain); + Bool_t isPrim = kTRUE; + if (ilayer<4) { // check that it's close to the vertex + updatetrack->GetDZ(GetX(),GetY(),GetZ(),updatetrack->GetDP()); //I.B. + if (TMath::Abs(updatetrack->GetD(0)/(1.+ilayer)) > // y + AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk() || + TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z + AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE; + } + if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx); + } + if (dead) { + updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1); + if (dead==1) { // dead zone at z=0,+-7cm in SPD + updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2()))); + deadzoneSPD=kTRUE; + } + } + ntracks[ilayer]++; + } + + clidx=-1; + // loop over clusters in the road + while ((cl=layer.GetNextCluster(clidx))!=0) { if (ntracks[ilayer]>95) break; //space for skipped clusters - Bool_t change =kFALSE; - if (c->GetQ()==0 && (deadzone==1)) continue; - Int_t idet=c->GetDetectorIndex(); - if (currenttrack->GetDetectorIndex()!=idet) { - const AliITSdetector &det=layer.GetDetector(idet); - Double_t y,z; - if (!currenttrack2.GetProlongationFast(det.GetPhi(),det.GetR(),y,z)) continue; - Float_t pz = (z - c->GetZ()) , py=(y - c->GetY()); - if (pz*pz*msz+py*py*msy>1.) continue; + Bool_t changedet =kFALSE; + if (cl->GetQ()==0 && deadzoneSPD==kTRUE) continue; + Int_t idetc=cl->GetDetectorIndex(); + + if (currenttrack->GetDetectorIndex()==idetc) { // track already on the cluster's detector + // take into account misalignment (bring track to real detector plane) + Double_t xTrOrig = currenttrack->GetX(); + currenttrack->PropagateTo(xTrOrig+cl->GetX(),0.,0.); + // a first cut on track-cluster distance + if ( (currenttrack->GetZ()-cl->GetZ())*(currenttrack->GetZ()-cl->GetZ())*msz + + (currenttrack->GetY()-cl->GetY())*(currenttrack->GetY()-cl->GetY())*msy > 1. ) + { // cluster not associated to track + //printf("not ass\n"); + continue; + } + // bring track back to ideal detector plane + currenttrack->PropagateTo(xTrOrig,0.,0.); + } else { // have to move track to cluster's detector + const AliITSdetector &detc=layer.GetDetector(idetc); + // a first cut on track-cluster distance + Double_t y; + if (!currenttrack2.GetProlongationFast(detc.GetPhi(),detc.GetR()+cl->GetX(),y,z)) continue; + if ( (z-cl->GetZ())*(z-cl->GetZ())*msz + + (y-cl->GetY())*(y-cl->GetY())*msy > 1. ) + continue; // cluster not associated to track // - new (&backuptrack) AliITStrackV2(currenttrack2); - change = kTRUE; + new (&backuptrack) AliITStrackMI(currenttrack2); + changedet = kTRUE; currenttrack =¤ttrack2; - if (!currenttrack->Propagate(det.GetPhi(),det.GetR())) { - new (currenttrack) AliITStrackV2(backuptrack); - change = kFALSE; + if (!currenttrack->Propagate(detc.GetPhi(),detc.GetR())) { + new (currenttrack) AliITStrackMI(backuptrack); + changedet = kFALSE; continue; } - currenttrack->SetDetectorIndex(idet); - } - else{ - Float_t pz = (currenttrack->GetZ() - c->GetZ()) , py=(currenttrack->GetY() - c->GetY()); - if (pz*pz*msz+py*py*msy>1.) continue; + currenttrack->SetDetectorIndex(idetc); + // Get again the budget to the primary vertex + // for the current track being prolonged, if had to change detector + //budgetToPrimVertex = GetEffectiveThickness();// not needed at the moment because anyway we take a mean material for this correction } - chi2=GetPredictedChi2MI(currenttrack,c,ilayer); - if (chi2GetQ()==0) deadzone=1; // take dead zone only once + // calculate track-clusters chi2 + chi2trkcl = GetPredictedChi2MI(currenttrack,cl,ilayer); + // chi2 cut + //printf("chi2 %f max %f\n",chi2trkcl,AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)); + if (chi2trkcl < AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) { + if (cl->GetQ()==0) deadzoneSPD=kTRUE; // only 1 prolongation with virtual cluster if (ntracks[ilayer]>=100) continue; - AliITStrackV2 * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackV2(*currenttrack); - updatetrack->fClIndex[ilayer]=0; - if (change){ - new (¤ttrack2) AliITStrackV2(backuptrack); + AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack); + updatetrack->SetClIndex(ilayer,0); + if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack); + + if (cl->GetQ()!=0) { // real cluster + if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) { + //printf("update failed\n"); + continue; + } + updatetrack->SetSampledEdx(cl->GetQ(),updatetrack->GetNumberOfClusters()-1); //b.b. + modstatus = 1; // found + } else { // virtual cluster in dead zone + updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1); + updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2()))); + modstatus = 7; // holes in z in SPD } - if (c->GetQ()!=0){ - if (!UpdateMI(updatetrack,c,chi2,(ilayer<<28)+ci)) continue; - updatetrack->SetSampledEdx(c->GetQ(),updatetrack->GetNumberOfClusters()-1); //b.b. - } - else { - updatetrack->fNDeadZone++; - updatetrack->fDeadZoneProbability=GetDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())); - } - if (c->IsUsed()){ - updatetrack->fNUsed++; + + if (changedet) { + Float_t xlocnewdet,zlocnewdet; + LocalModuleCoord(ilayer,idet,updatetrack,xlocnewdet,zlocnewdet); // local module coords + updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xlocnewdet,zlocnewdet); + } else { + updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); } - Double_t x0; - Double_t d=layer.GetThickness(updatetrack->GetY(),updatetrack->GetZ(),x0); - updatetrack->CorrectForMaterial(d,x0); - if (fConstraint[fPass]) { - updatetrack->fConstrain = fConstraint[fPass]; - fI = ilayer; - Double_t d=GetEffectiveThickness(0,0); //Think of this !!!! - Double_t xyz[]={GetX(),GetY(),GetZ()}; - Double_t ptfactor = 1; - Double_t ers[]={GetSigmaX()*ptfactor,GetSigmaY()*ptfactor,GetSigmaZ()}; + if (cl->IsUsed()) updatetrack->IncrementNUsed(); + + // apply correction for material of the current layer + CorrectForLayerMaterial(updatetrack,ilayer,trackGlobXYZ1,"inward"); + + if (constrain) { // apply vertex constrain + updatetrack->SetConstrain(constrain); Bool_t isPrim = kTRUE; - if (ilayer<4){ - updatetrack->fD[0] = updatetrack->GetD(GetX(),GetY()); - updatetrack->fD[1] = updatetrack->GetZat(GetX())-GetZ(); - if ( TMath::Abs(updatetrack->fD[0]/(1.+ilayer))>0.4 || TMath::Abs(updatetrack->fD[1]/(1.+ilayer))>0.4) isPrim=kFALSE; + if (ilayer<4) { // check that it's close to the vertex + updatetrack->GetDZ(GetX(),GetY(),GetZ(),updatetrack->GetDP()); //I.B. + if (TMath::Abs(updatetrack->GetD(0)/(1.+ilayer)) > // y + AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk() || + TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z + AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE; } - if (isPrim) updatetrack->Improve(d,xyz,ers); + if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx); } //apply vertex constrain ntracks[ilayer]++; - } // create new hypothesy - } // loop over possible cluster prolongation - // if (fConstraint[fPass]&&itrack<2&¤ttrack1.fNSkipped==0 && deadzone==0){ - if (itrack<2&¤ttrack1.fNSkipped==0 && deadzone==0&&ntracks[ilayer]<100){ - AliITStrackV2* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackV2(currenttrack1); - vtrack->fClIndex[ilayer]=0; - fI = ilayer; - Double_t d=GetEffectiveThickness(0,0); //Think of this !!!! - Double_t xyz[]={GetX(),GetY(),GetZ()}; - Double_t ers[]={GetSigmaX(),GetSigmaY(),GetSigmaZ()}; - vtrack->Improve(d,xyz,ers); - vtrack->fNSkipped++; + } // create new hypothesis + //else printf("chi2 too large\n"); + } // loop over possible prolongations + + // allow one prolongation without clusters + if (constrain && itrack<=1 && currenttrack1.GetNSkipped()==0 && deadzoneSPD==kFALSE && ntracks[ilayer]<100) { + AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1); + // apply correction for material of the current layer + CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward"); + vtrack->SetClIndex(ilayer,0); + modstatus = 3; // skipped + vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx); + vtrack->IncrementNSkipped(); + ntracks[ilayer]++; + } + + // allow one prolongation without clusters for tracks with |tgl|>1.1 + if (constrain && itrack==0 && TMath::Abs(currenttrack1.GetTgl())>1.1) { //big theta - for low flux + AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1); + // apply correction for material of the current layer + CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward"); + vtrack->SetClIndex(ilayer,0); + modstatus = 3; // skipped + vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx); + vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1); ntracks[ilayer]++; } + - } //loop over track candidates + } // loop over tracks in layer ilayer+1 + + //loop over track candidates for the current layer // // Int_t accepted=0; - Int_t golds=0; + Int_t golden=0; for (Int_t itrack=0;itrack4) accepted++; - else{ - if ( fConstraint[fPass] && normalizedchi2[itrack]GetMaxNormChi2ForGolden(ilayer)) golden++; + if (ilayer>4) { + accepted++; + } else { + if (constrain) { // constrain + if (normalizedchi2[itrack]GetMaxNormChi2C(ilayer)+1) + accepted++; + } else { // !constrain + if (normalizedchi2[itrack]GetMaxNormChi2NonC(ilayer)+1) + accepted++; + } } } - TMath::Sort(ntracks[ilayer],normalizedchi2,nindexes[ilayer],kFALSE); + // sort tracks by increasing normalized chi2 + TMath::Sort(ntracks[ilayer],normalizedchi2,nindexes[ilayer],kFALSE); ntracks[ilayer] = TMath::Min(accepted,7+2*ilayer); - if (ntracks[ilayer]90) ntracks[ilayer]=90; - } //loop over layers - //printf("%d\t%d\t%d\t%d\t%d\t%d\n",ntracks[0],ntracks[1],ntracks[2],ntracks[3],ntracks[4],ntracks[5]); + } // end loop over layers + - for (Int_t i=0;i7.)continue; - AddTrackHypothesys(new AliITStrackV2(track), esdindex); + // + // Now select tracks to be kept + // + Int_t max = constrain ? 20 : 5; + + // tracks that reach layer 0 (SPD inner) + for (Int_t i=0; i + AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonCForHypothesis()) { + continue; + } + AddTrackHypothesys(new AliITStrackMI(track), esdindex); } - for (Int_t i=0;i7.)continue; - if (fConstraint[fPass]) track.fNSkipped+=1; - if (!fConstraint[fPass]) { - track.fD[0] = track.GetD(GetX(),GetY()); - track.fNSkipped+=4./(4.+8.*abs(track.fD[0])); - if (track.fN+track.fNDeadZone+track.fNSkipped>6) { - track.fNSkipped = 6-track.fN+track.fNDeadZone; + if (!constrain && track.GetNormChi2(1) > + AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonCForHypothesis()) continue; + if (constrain) track.IncrementNSkipped(); + if (!constrain) { + track.SetD(0,track.GetD(GetX(),GetY())); + track.SetNSkipped(track.GetNSkipped()+4./(4.+8.*TMath::Abs(track.GetD(0)))); + if (track.GetNumberOfClusters()+track.GetNDeadZone()+track.GetNSkipped()>6) { + track.SetNSkipped(6-track.GetNumberOfClusters()+track.GetNDeadZone()); } } - AddTrackHypothesys(new AliITStrackV2(track), esdindex); + AddTrackHypothesys(new AliITStrackMI(track), esdindex); } - //} - - if (!fConstraint[fPass]){ - for (Int_t i=0;i7.)continue; - if (fConstraint[fPass]) track.fNSkipped+=2; - if (!fConstraint[fPass]){ - track.fD[0] = track.GetD(GetX(),GetY()); - track.fNSkipped+= 7./(7.+8.*abs(track.fD[0])); - if (track.fN+track.fNDeadZone+track.fNSkipped>6) { - track.fNSkipped = 6-track.fN+track.fNDeadZone; + + // tracks that reach layer 2 (SDD inner), only during non-constrained pass + if (!constrain){ + for (Int_t i=0;i + AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonCForHypothesis()) continue; + if (constrain) track.SetNSkipped(track.GetNSkipped()+2); + if (!constrain){ + track.SetD(0,track.GetD(GetX(),GetY())); + track.SetNSkipped(track.GetNSkipped()+7./(7.+8.*TMath::Abs(track.GetD(0)))); + if (track.GetNumberOfClusters()+track.GetNDeadZone()+track.GetNSkipped()>6) { + track.SetNSkipped(6-track.GetNumberOfClusters()+track.GetNDeadZone()); } } - AddTrackHypothesys(new AliITStrackV2(track), esdindex); + AddTrackHypothesys(new AliITStrackMI(track), esdindex); + } + } + + if (!constrain) { + // + // register best track of each layer - important for V0 finder + // + for (Int_t ilayer=0;ilayer<5;ilayer++){ + if (ntracks[ilayer]==0) continue; + AliITStrackMI & track= tracks[ilayer][nindexes[ilayer][0]]; + if (track.GetNumberOfClusters()<1) continue; + CookLabel(&track,0); + bestarray->AddAt(new AliITStrackMI(track),ilayer); } } + // + // update TPC V0 information + // + if (otrack->GetESDtrack()->GetV0Index(0)>0){ + Float_t fprimvertex[3]={GetX(),GetY(),GetZ()}; + for (Int_t i=0;i<3;i++){ + Int_t index = otrack->GetESDtrack()->GetV0Index(i); + if (index==0) break; + AliV0 *vertex = (AliV0*)fEsd->GetV0(index); + if (vertex->GetStatus()<0) continue; // rejected V0 + // + if (otrack->GetSign()>0) { + vertex->SetIndex(0,esdindex); + } + else{ + vertex->SetIndex(1,esdindex); + } + //find nearest layer with track info + Double_t xrp[3]; vertex->GetXYZ(xrp[0],xrp[1],xrp[2]); //I.B. + Int_t nearestold = GetNearestLayer(xrp); //I.B. + Int_t nearest = nearestold; + for (Int_t ilayer =nearest;ilayer<8;ilayer++){ + if (ntracks[nearest]==0){ + nearest = ilayer; + } + } + // + AliITStrackMI & track= tracks[nearest][nindexes[nearest][0]]; + if (nearestold<5&&nearest<5){ + Bool_t accept = track.GetNormChi2(nearest)<10; + if (accept){ + if (track.GetSign()>0) { + vertex->SetParamP(track); + vertex->Update(fprimvertex); + //vertex->SetIndex(0,track.fESDtrack->GetID()); + if (track.GetNumberOfClusters()>2) AddTrackHypothesys(new AliITStrackMI(track), esdindex); + }else{ + vertex->SetParamN(track); + vertex->Update(fprimvertex); + //vertex->SetIndex(1,track.fESDtrack->GetID()); + if (track.GetNumberOfClusters()>2) AddTrackHypothesys(new AliITStrackMI(track), esdindex); + } + vertex->SetStatus(vertex->GetStatus()+1); + }else{ + //vertex->SetStatus(-2); // reject V0 - not enough clusters + } + } + } + } + } - - +//------------------------------------------------------------------------ AliITStrackerMI::AliITSlayer & AliITStrackerMI::GetLayer(Int_t layer) const { //-------------------------------------------------------------------- @@ -868,15 +1367,36 @@ AliITStrackerMI::AliITSlayer & AliITStrackerMI::GetLayer(Int_t layer) const // return fgLayers[layer]; } -AliITStrackerMI::AliITSlayer::AliITSlayer() { +//------------------------------------------------------------------------ +AliITStrackerMI::AliITSlayer::AliITSlayer(): +fR(0), +fPhiOffset(0), +fNladders(0), +fZOffset(0), +fNdetectors(0), +fDetectors(0), +fN(0), +fDy5(0), +fDy10(0), +fDy20(0), +fClustersCs(0), +fClusterIndexCs(0), +fYcs(0), +fZcs(0), +fNcs(0), +fCurrentSlice(-1), +fZmax(0), +fYmin(0), +fYmax(0), +fI(0), +fImax(0), +fSkip(0), +fAccepted(0), +fRoad(0){ //-------------------------------------------------------------------- //default AliITSlayer constructor //-------------------------------------------------------------------- - fN=0; - fDetectors=0; - fSkip = 0; - fCurrentSlice=-1; - for (Int_t i=0; iIsUsed()) cl->Use(); } } - +//------------------------------------------------------------------------ void AliITStrackerMI::AliITSlayer::ResetRoad() { //-------------------------------------------------------------------- // This function calculates the road defined by the cluster density @@ -958,46 +1524,61 @@ void AliITStrackerMI::AliITSlayer::ResetRoad() { for (Int_t i=0; iGetZ())1) fRoad=2*fR*TMath::Sqrt(3.14/n); - if (n>1) fRoad=2*fR*TMath::Sqrt(3.14/n); + if (n>1) fRoad=2*fR*TMath::Sqrt(TMath::Pi()/n); } - -Int_t AliITStrackerMI::AliITSlayer::InsertCluster(AliITSclusterV2 *c) { +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::AliITSlayer::InsertCluster(AliITSRecPoint *cl) { //-------------------------------------------------------------------- //This function adds a cluster to this layer //-------------------------------------------------------------------- - if (fN==kMaxClusterPerLayer) { + if (fN==AliITSRecoParam::GetMaxClusterPerLayer()) { ::Error("InsertCluster","Too many clusters !\n"); return 1; } fCurrentSlice=-1; - if (fN==0) {fClusters[fN++]=c; return 0;} - Int_t i=FindClusterIndex(c->GetZ()); - memmove(fClusters+i+1 ,fClusters+i,(fN-i)*sizeof(AliITSclusterV2*)); - memmove(fY+i+1 ,fY+i,(fN-i)*sizeof(Float_t)); - memmove(fZ+i+1 ,fZ+i,(fN-i)*sizeof(Float_t)); - fClusters[i]=c; fN++; - // - AliITSdetector &det=GetDetector(c->GetDetectorIndex()); - Double_t y=fR*det.GetPhi() + c->GetY(); - if (y>2.*fR*TMath::Pi()) y -= 2.*fR*TMath::Pi(); - fY[i] = y; - fZ[i] = c->GetZ(); - if (c->GetY()GetY()); - if (c->GetY()>det.GetYmax()) det.SetYmax(c->GetY()); - if (c->GetZ()GetZ()); - if (c->GetZ()>det.GetZmax()) det.SetZmax(c->GetZ()); + fClusters[fN]=cl; + fN++; + AliITSdetector &det=GetDetector(cl->GetDetectorIndex()); + if (cl->GetY()GetY()); + if (cl->GetY()>det.GetYmax()) det.SetYmax(cl->GetY()); + if (cl->GetZ()GetZ()); + if (cl->GetZ()>det.GetZmax()) det.SetZmax(cl->GetZ()); return 0; } - +//------------------------------------------------------------------------ void AliITStrackerMI::AliITSlayer::SortClusters() { // //sort clusters // - fYB[0]=10000000; - fYB[1]=-10000000; + AliITSRecPoint **clusters = new AliITSRecPoint*[fN]; + Float_t *z = new Float_t[fN]; + Int_t * index = new Int_t[fN]; + // + for (Int_t i=0;iGetZ(); + } + TMath::Sort(fN,z,index,kFALSE); + for (Int_t i=0;iGetZ(); + AliITSdetector &det=GetDetector(fClusters[i]->GetDetectorIndex()); + Double_t y=fR*det.GetPhi() + fClusters[i]->GetY(); + if (y>2.*fR*TMath::Pi()) y -= 2.*fR*TMath::Pi(); + fY[i] = y; + } + delete[] index; + delete[] z; + delete[] clusters; + // + + fYB[0]=10000000; + fYB[1]=-10000000; for (Int_t i=0;ifYB[1]) fYB[1]=fY[i]; @@ -1017,67 +1598,60 @@ void AliITStrackerMI::AliITSlayer::SortClusters() for (Int_t i=0;i<21;i++) {fBy20[i][0] = fYB[0]+(i-0.75)*fDy20; fBy20[i][1] = fYB[0]+(i+0.75)*fDy20;} // // - for (Int_t i=0;ifYB[1]+fDy5) continue; - // - // slice 10 - Float_t fslice = TMath::Nint(10.*(curY-fYB[0])/(fYB[1]-fYB[0])); - Float_t ymiddle = fYB[0]+fslice*fDy10; - for (Int_t di =-1;di<=1;di++){ - if (TMath::Abs(curY-(ymiddle+(float)di*fDy10))<0.75*fDy10){ - // - Int_t slice = int(fslice+21.0001)-21+di; - if (slice<0) continue; - if (slice>10) continue; - fClusters10[slice][fN10[slice]] = fClusters[i]; - fY10[slice][fN10[slice]] = curY; - fZ10[slice][fN10[slice]] = fZ[i]; - fClusterIndex10[slice][fN10[slice]]=i; - fN10[slice]++; + for (Int_t i=0;i5) continue; - fClusters5[slice][fN5[slice]] = fClusters[i]; - fY5[slice][fN5[slice]] = curY; - fZ5[slice][fN5[slice]] = fZ[i]; - fClusterIndex5[slice][fN5[slice]]=i; - fN5[slice]++; + // slice 10 + for (Int_t slice=0; slice<11;slice++){ + if (fBy10[slice][0]20) continue; - fClusters20[slice][fN20[slice]] = fClusters[i]; - fY20[slice][fN20[slice]] = curY; - fZ20[slice][fN20[slice]] = fZ[i]; - fClusterIndex20[slice][fN20[slice]]=i; - fN20[slice]++; - } + + // + // consistency check + // + for (Int_t i=0;ifZ[i+1]){ + printf("Bug\n"); + } + } + // + for (Int_t slice=0;slice<21;slice++) + for (Int_t i=0;ifZ20[slice][i+1]){ + printf("Bug\n"); } } -} - - +} +//------------------------------------------------------------------------ Int_t AliITStrackerMI::AliITSlayer::FindClusterIndex(Float_t z) const { //-------------------------------------------------------------------- // This function returns the index of the nearest cluster @@ -1102,22 +1676,59 @@ Int_t AliITStrackerMI::AliITSlayer::FindClusterIndex(Float_t z) const { } return m; } -/* -void AliITStrackerMI::AliITSlayer:: -SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin, Double_t ymax) { +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::ComputeRoad(AliITStrackMI* track,Int_t ilayer,Int_t idet,Double_t &zmin,Double_t &zmax,Double_t &ymin,Double_t &ymax) const { //-------------------------------------------------------------------- - // This function sets the "window" + // This function computes the rectangular road for this track //-------------------------------------------------------------------- - fI=FindClusterIndex(zmin); fZmax=zmax; - fImax = TMath::Min(FindClusterIndex(zmax)+1,fN); - Double_t circle=2*TMath::Pi()*fR; - if (ymax>circle) { ymax-=circle; ymin-=circle; } - fYmin=ymin; fYmax=ymax; - fSkip = 0; -} -*/ + AliITSdetector &det = fgLayers[ilayer].GetDetector(idet); + // take into account the misalignment: propagate track to misaligned detector plane + if (!track->Propagate(det.GetPhi(),det.GetRmisal())) return kFALSE; + + Double_t dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()* + TMath::Sqrt(track->GetSigmaZ2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer)); + Double_t dy=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadY()* + TMath::Sqrt(track->GetSigmaY2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer)); + + // track at boundary between detectors, enlarge road + Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidth(); + if ( (track->GetY()-dy < det.GetYmin()+boundaryWidth) || + (track->GetY()+dy > det.GetYmax()-boundaryWidth) || + (track->GetZ()-dz < det.GetZmin()+boundaryWidth) || + (track->GetZ()+dz > det.GetZmax()-boundaryWidth) ) { + Float_t tgl = TMath::Abs(track->GetTgl()); + if (tgl > 1.) tgl=1.; + Double_t deltaXNeighbDets=AliITSRecoParam::GetDeltaXNeighbDets(); + dz = TMath::Sqrt(dz*dz+deltaXNeighbDets*deltaXNeighbDets*tgl*tgl); + Float_t snp = TMath::Abs(track->GetSnp()); + if (snp > AliITSReconstructor::GetRecoParam()->GetMaxSnp()) return kFALSE; + dy = TMath::Sqrt(dy*dy+deltaXNeighbDets*deltaXNeighbDets*snp*snp); + } // boundary + + // add to the road a term (up to 2-3 mm) to deal with misalignments + dy = TMath::Sqrt(dy*dy + AliITSReconstructor::GetRecoParam()->GetRoadMisal()*AliITSReconstructor::GetRecoParam()->GetRoadMisal()); + dz = TMath::Sqrt(dz*dz + AliITSReconstructor::GetRecoParam()->GetRoadMisal()*AliITSReconstructor::GetRecoParam()->GetRoadMisal()); + + Double_t r = fgLayers[ilayer].GetR(); + zmin = track->GetZ() - dz; + zmax = track->GetZ() + dz; + ymin = track->GetY() + r*det.GetPhi() - dy; + ymax = track->GetY() + r*det.GetPhi() + dy; + + // bring track back to idead detector plane + if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE; + + return kTRUE; +} +//------------------------------------------------------------------------ void AliITStrackerMI::AliITSlayer:: SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin, Double_t ymax) { //-------------------------------------------------------------------- @@ -1127,10 +1738,12 @@ SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin, Double_t ymax) { Double_t circle=2*TMath::Pi()*fR; fYmin = ymin; fYmax =ymax; Float_t ymiddle = (fYmin+fYmax)*0.5; - if (ymiddlefYB[1]) {fYmin-=circle; fYmax-=circle;ymiddle-=circle;} + if (ymiddlefYB[1]) { + fYmin-=circle; fYmax-=circle; ymiddle-=circle; } + // fCurrentSlice =-1; // defualt take all @@ -1178,7 +1791,7 @@ SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin, Double_t ymax) { if (slice<0) slice=0; if (slice>5) slice=5; Bool_t isOK = (fYmin>fBy5[slice][0]&&fYmaxGetZ() > fZmax) break; - // if (c->IsUsed()) continue; - const AliITSdetector &det=GetDetector(c->GetDetectorIndex()); - Double_t y=fR*det.GetPhi() + c->GetY(); + Double_t dphi; + if (fZOffset<0) // old geometry + dphi = -(phi-fPhiOffset); + else // new geometry + dphi = phi-fPhiOffset; - if (y>2.*fR*TMath::Pi()) y -= 2*fR*TMath::Pi(); - if (y>1.*fR*TMath::Pi() && fYmaxfYmax) continue; - cluster=c; ci=i; - fI=i+1; - break; + if (dphi < 0) dphi += 2*TMath::Pi(); + else if (dphi >= 2*TMath::Pi()) dphi -= 2*TMath::Pi(); + Int_t np=Int_t(dphi*fNladders*0.5/TMath::Pi()+0.5); + if (np>=fNladders) np-=fNladders; + if (np<0) np+=fNladders; + + + Double_t dz=fZOffset-z; + Double_t nnz = dz*(fNdetectors-1)*0.5/fZOffset+0.5; + Int_t nz = (nnz<0 ? -1 : (Int_t)nnz); + if (nz>=fNdetectors) return -1; + if (nz<0) return -1; + + // ad hoc correction for 3rd ladder of SDD inner layer, + // which is reversed (rotated by pi around local y) + // this correction is OK only from AliITSv11Hybrid onwards + if (GetR()>12. && GetR()<20.) { // SDD inner + if(np==2) { // 3rd ladder + nz = (fNdetectors-1) - nz; + } } - return cluster; -} -*/ + //printf("ndet %d phi %f z %f np %d nz %d\n",fNdetectors,phi,z,np,nz); -const AliITSclusterV2 *AliITStrackerMI::AliITSlayer::GetNextCluster(Int_t &ci){ + + return np*fNdetectors + nz; +} +//------------------------------------------------------------------------ +const AliITSRecPoint *AliITStrackerMI::AliITSlayer::GetNextCluster(Int_t &ci,Bool_t test) +{ //-------------------------------------------------------------------- // This function returns clusters within the "window" //-------------------------------------------------------------------- - if (fCurrentSlice<0){ + if (fCurrentSlice<0) { Double_t rpi2 = 2.*fR*TMath::Pi(); for (Int_t i=fI; iy) y += rpi2; if (yfYmax) continue; if (fClusters[i]->GetQ()==0&&fSkip==2) continue; ci=i; - fI=i+1; + if (!test) fI=i+1; return fClusters[i]; } - } - else{ + } else { for (Int_t i=fI; ifYmax) continue; if (fClustersCs[i]->GetQ()==0&&fSkip==2) continue; ci=fClusterIndexCs[i]; - fI=i+1; + if (!test) fI=i+1; return fClustersCs[i]; } } return 0; } - - - -Int_t AliITStrackerMI::AliITSlayer:: -FindDetectorIndex(Double_t phi, Double_t z) const { - //-------------------------------------------------------------------- - //This function finds the detector crossed by the track - //-------------------------------------------------------------------- - Double_t dphi=-(phi-fPhiOffset); - if (dphi < 0) dphi += 2*TMath::Pi(); - else if (dphi >= 2*TMath::Pi()) dphi -= 2*TMath::Pi(); - Int_t np=Int_t(dphi*fNladders*0.5/TMath::Pi()+0.5); - if (np>=fNladders) np-=fNladders; - if (np<0) np+=fNladders; - - Double_t dz=fZOffset-z; - Int_t nz=Int_t(dz*(fNdetectors-1)*0.5/fZOffset+0.5); - if (nz>=fNdetectors) return -1; - if (nz<0) return -1; - - return np*fNdetectors + nz; -} - +//------------------------------------------------------------------------ Double_t AliITStrackerMI::AliITSlayer::GetThickness(Double_t y,Double_t z,Double_t &x0) const { //-------------------------------------------------------------------- - //This function returns the layer thickness at this point (units X0) + // This function returns the layer thickness at this point (units X0) //-------------------------------------------------------------------- Double_t d=0.0085; - x0=21.82; + x0=AliITSRecoParam::GetX0Air(); if (430.5) d+=dd; - //if (TMath::Abs(y-3.08)>0.45) d+=dd; - if (TMath::Abs(y-3.03)<0.10) {d+=0.014;} + if (TMath::Abs(y-3.03)<0.10) d+=0.014; } else if (30.6) d+=dd; - //if (TMath::Abs(y+0.21)>0.45) d+=dd; - if (TMath::Abs(y+0.10)<0.10) {d+=0.014;} + if (TMath::Abs(y+0.10)<0.10) d+=0.014; } return d; } +//------------------------------------------------------------------------ +AliITStrackerMI::AliITSdetector::AliITSdetector(const AliITSdetector& det): +fR(det.fR), +fRmisal(det.fRmisal), +fPhi(det.fPhi), +fSinPhi(det.fSinPhi), +fCosPhi(det.fCosPhi), +fYmin(det.fYmin), +fYmax(det.fYmax), +fZmin(det.fZmin), +fZmax(det.fZmax), +fIsBad(det.fIsBad), +fNChips(det.fNChips), +fChipIsBad(det.fChipIsBad) +{ + //Copy constructor +} +//------------------------------------------------------------------------ +void AliITStrackerMI::AliITSdetector::ReadBadDetectorAndChips(Int_t ilayer,Int_t idet, + AliITSDetTypeRec *detTypeRec) +{ + //-------------------------------------------------------------------- + // Read bad detectors and chips from calibration objects in AliITSDetTypeRec + //-------------------------------------------------------------------- -Double_t AliITStrackerMI::GetEffectiveThickness(Double_t y,Double_t z) const + // In AliITSDetTypeRec, detector numbers go from 0 to 2197 + // while in the tracker they start from 0 for each layer + for(Int_t il=0; ilGetCalibrationModel(idet); + AliITSCalibration *calibSPDdead = 0; + if(detType==0) calibSPDdead = (AliITSCalibration*)detTypeRec->GetSPDDeadModel(idet); // TEMPORARY + if (calib->IsBad() || + (detType==0 && calibSPDdead->IsBad())) // TEMPORARY + { + SetBad(); + printf("lay %d bad %d\n",ilayer,idet); + } + + // Get segmentation from AliITSDetTypeRec + AliITSsegmentation *segm = (AliITSsegmentation*)detTypeRec->GetSegmentationModel(detType); + + // Read info about bad chips + fNChips = segm->GetMaximumChipIndex()+1; + //printf("ilayer %d detType %d idet %d fNChips %d %d GetNumberOfChips %d\n",ilayer,detType,idet,fNChips,segm->GetMaximumChipIndex(),segm->GetNumberOfChips()); + if(fChipIsBad) { delete [] fChipIsBad; fChipIsBad=NULL; } + fChipIsBad = new Bool_t[fNChips]; + for (Int_t iCh=0;iChIsChipBad(iCh); + if (detType==0 && calibSPDdead->IsChipBad(iCh)) fChipIsBad[iCh] = kTRUE; // TEMPORARY + } + + return; +} +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetEffectiveThickness() { //-------------------------------------------------------------------- - //Returns the thickness between the current layer and the vertex (units X0) + // Returns the thickness between the current layer and the vertex (units X0) //-------------------------------------------------------------------- - Double_t d=0.0028*3*3; //beam pipe - Double_t x0=0; + if(fUseTGeo!=0) { + if(fxOverX0Layer[0]<0) BuildMaterialLUT("Layers"); + if(fxOverX0Shield[0]<0) BuildMaterialLUT("Shields"); + if(fxOverX0Pipe<0) BuildMaterialLUT("Pipe"); + } + + // beam pipe + Double_t dPipe = (fUseTGeo==0 ? AliITSRecoParam::GetdPipe() : fxOverX0Pipe); + Double_t d=dPipe*AliITSRecoParam::GetrPipe()*AliITSRecoParam::GetrPipe(); + + // layers + Double_t x0=0; Double_t xn=fgLayers[fI].GetR(); for (Int_t i=0; i1) { - Double_t xi=9.; - d+=0.0097*xi*xi; + Double_t dshieldSPD = (fUseTGeo==0 ? AliITSRecoParam::Getdshield(0) : fxOverX0Shield[0]); + d+=dshieldSPD*AliITSRecoParam::GetrInsideShield(0)*AliITSRecoParam::GetrInsideShield(0); } - if (fI>3) { - Double_t xi=0.5*(fgLayers[3].GetR()+fgLayers[4].GetR()); - d+=0.0034*xi*xi; + Double_t dshieldSDD = (fUseTGeo==0 ? AliITSRecoParam::Getdshield(1) : fxOverX0Shield[1]); + d+=dshieldSDD*AliITSRecoParam::GetrInsideShield(1)*AliITSRecoParam::GetrInsideShield(1); } - return d/(xn*xn); } - +//------------------------------------------------------------------------ Int_t AliITStrackerMI::AliITSlayer::InRoad() const { - //-------------------------------------------------------------------- + //------------------------------------------------------------------- // This function returns number of clusters within the "window" //-------------------------------------------------------------------- Int_t ncl=0; for (Int_t i=fI; iGetZ() > fZmax) break; if (c->IsUsed()) continue; const AliITSdetector &det=GetDetector(c->GetDetectorIndex()); @@ -1421,145 +2104,234 @@ Int_t AliITStrackerMI::AliITSlayer::InRoad() const { } return ncl; } - -Bool_t -AliITStrackerMI::RefitAt(Double_t xx,AliITStrackV2 *t,const AliITStrackV2 *c) { +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track, + const AliITStrackMI *clusters,Bool_t extra, Bool_t planeeff) +{ //-------------------------------------------------------------------- - // This function refits the track "t" at the position "x" using - // the clusters from "c" + // This function refits the track "track" at the position "x" using + // the clusters from "clusters" + // If "extra"==kTRUE, + // the clusters from overlapped modules get attached to "track" + // If "planeff"==kTRUE, + // special approach for plane efficiency evaluation is applyed //-------------------------------------------------------------------- - Int_t index[kMaxLayer]; + + Int_t index[AliITSgeomTGeo::kNLayers]; Int_t k; - for (k=0; kGetNumberOfClusters(); + for (k=0; kGetNumberOfClusters(); for (k=0; kGetClusterIndex(k),nl=(idx&0xf0000000)>>28; - index[nl]=idx; + Int_t idx=clusters->GetClusterIndex(k); + Int_t ilayer=(idx&0xf0000000)>>28; + index[ilayer]=idx; + } + + return RefitAt(xx,track,index,extra,planeeff); // call the method below +} +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track, + const Int_t *clusters,Bool_t extra, Bool_t planeeff) +{ + //-------------------------------------------------------------------- + // This function refits the track "track" at the position "x" using + // the clusters from array + // If "extra"==kTRUE, + // the clusters from overlapped modules get attached to "track" + // If "planeff"==kTRUE, + // special approach for plane efficiency evaluation is applyed + //-------------------------------------------------------------------- + Int_t index[AliITSgeomTGeo::kNLayers]; + Int_t k; + for (k=0; kGetD(0.,0.)); + for(innermostlayer=0; innermostlayer t->GetX()) { - from=0; to=kMaxLayer; + if (xx > track->GetX()) { + from=innermostlayer; to=AliITSgeomTGeo::GetNLayers(); step=+1; } else { - from=kMaxLayer-1; to=-1; + from=AliITSgeomTGeo::GetNLayers()-1; to=innermostlayer-1; step=-1; } + TString dir = (step>0 ? "outward" : "inward"); - for (Int_t i=from; i != to; i += step) { - AliITSlayer &layer=fgLayers[i]; + for (Int_t ilayer = from; ilayer != to; ilayer += step) { + AliITSlayer &layer=fgLayers[ilayer]; Double_t r=layer.GetR(); - - { - Double_t hI=i-0.5*step; - if (TMath::Abs(hI-1.5)<0.01 || TMath::Abs(hI-3.5)<0.01) { - Double_t rs=0.5*(fgLayers[i-step].GetR() + r); - Double_t d=0.0034, x0=38.6; - if (TMath::Abs(hI-1.5)<0.01) {rs=9.; d=0.0097; x0=42;} - if (!t->PropagateTo(rs,-step*d,x0)) { - return kFALSE; - } - } - } + if (step<0 && xx>r) break; + + // material between SSD and SDD, SDD and SPD + Double_t hI=ilayer-0.5*step; + if (TMath::Abs(hI-3.5)<0.01) // SDDouter + if(!CorrectForShieldMaterial(track,"SDD",dir)) return kFALSE; + if (TMath::Abs(hI-1.5)<0.01) // SPDouter + if(!CorrectForShieldMaterial(track,"SPD",dir)) return kFALSE; // remember old position [SR, GSI 18.02.2003] Double_t oldX=0., oldY=0., oldZ=0.; - if (t->IsStartedTimeIntegral() && step==1) { - t->GetGlobalXYZat(t->GetX(),oldX,oldY,oldZ); + if (track->IsStartedTimeIntegral() && step==1) { + track->GetGlobalXYZat(track->GetX(),oldX,oldY,oldZ); } // - Double_t x,y,z; - if (!t->GetGlobalXYZat(r,x,y,z)) { - return kFALSE; - } - Double_t phi=TMath::ATan2(y,x); + Double_t oldGlobXYZ[3]; + track->GetXYZ(oldGlobXYZ); + + Double_t phi,z; + if (!track->GetPhiZat(r,phi,z)) return kFALSE; + Int_t idet=layer.FindDetectorIndex(phi,z); - if (idet<0) { - return kFALSE; + + // check if we allow a prolongation without point for large-eta tracks + Int_t skip = CheckSkipLayer(track,ilayer,idet); + if (skip==2) { + // propagate to the layer radius + Double_t xToGo; track->GetLocalXat(r,xToGo); + track->AliExternalTrackParam::PropagateTo(xToGo,GetBz()); + // apply correction for material of the current layer + CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir); + modstatus = 4; // out in z + LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords + track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + // track time update [SR, GSI 17.02.2003] + if (track->IsStartedTimeIntegral() && step==1) { + Double_t newX, newY, newZ; + track->GetGlobalXYZat(track->GetX(),newX,newY,newZ); + Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) + + (oldZ-newZ)*(oldZ-newZ); + track->AddTimeStep(TMath::Sqrt(dL2)); + } + continue; } + + if (idet<0) return kFALSE; + const AliITSdetector &det=layer.GetDetector(idet); - phi=det.GetPhi(); - if (!t->Propagate(phi,det.GetR())) { - return kFALSE; - } - t->SetDetectorIndex(idet); - - const AliITSclusterV2 *cl=0; - Double_t maxchi2=1000.*kMaxChi2; - - Int_t idx=index[i]; - if (idx>0) { - const AliITSclusterV2 *c=(AliITSclusterV2 *)GetCluster(idx); - if (idet != c->GetDetectorIndex()) { - idet=c->GetDetectorIndex(); - const AliITSdetector &det=layer.GetDetector(idet); - if (!t->Propagate(det.GetPhi(),det.GetR())) { - return kFALSE; - } - t->SetDetectorIndex(idet); - } - //Double_t chi2=t->GetPredictedChi2(c); - Int_t layer = (idx & 0xf0000000) >> 28;; - Double_t chi2=GetPredictedChi2MI(t,c,layer); - if (chi2GetNumberOfClusters()>2) { - Double_t dz=4*TMath::Sqrt(t->GetSigmaZ2()+kSigmaZ2[i]); - Double_t dy=4*TMath::Sqrt(t->GetSigmaY2()+kSigmaY2[i]); - Double_t zmin=t->GetZ() - dz; - Double_t zmax=t->GetZ() + dz; - Double_t ymin=t->GetY() + phi*r - dy; - Double_t ymax=t->GetY() + phi*r + dy; - layer.SelectClusters(zmin,zmax,ymin,ymax); - - const AliITSclusterV2 *c=0; Int_t ci=-1; - while ((c=layer.GetNextCluster(ci))!=0) { - if (idet != c->GetDetectorIndex()) continue; - Double_t chi2=t->GetPredictedChi2(c); - if (chi2Update(cl,maxchi2,idx)) { - if (!UpdateMI(t,cl,maxchi2,idx)) { - return kFALSE; + if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE; + + track->SetDetectorIndex(idet); + LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords + + Double_t dz,zmin,zmax,dy,ymin,ymax; + + const AliITSRecPoint *clAcc=0; + Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(); + + Int_t idx=index[ilayer]; + if (idx>=0) { // cluster in this layer + modstatus = 6; // no refit + const AliITSRecPoint *cl=(AliITSRecPoint *)GetCluster(idx); + if (cl) { + if (idet != cl->GetDetectorIndex()) { + idet=cl->GetDetectorIndex(); + const AliITSdetector &detc=layer.GetDetector(idet); + if (!track->Propagate(detc.GetPhi(),detc.GetR())) return kFALSE; + track->SetDetectorIndex(idet); + LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords + } + Int_t cllayer = (idx & 0xf0000000) >> 28;; + Double_t chi2=GetPredictedChi2MI(track,cl,cllayer); + if (chi2GetIPlanePlaneEff()) { + if (IsOKForPlaneEff(track,clusters,ilayer)) // only adequate track for plane eff. evaluation + UseTrackForPlaneEff(track,ilayer); + } + } else { + modstatus = 5; // no cls in road + // check dead + if (!ComputeRoad(track,ilayer,idet,zmin,zmax,ymin,ymax)) return kFALSE; + dz = 0.5*(zmax-zmin); + dy = 0.5*(ymax-ymin); + Int_t dead = CheckDeadZone(track,ilayer,idet,dz,dy,kTRUE); + if (dead==1) modstatus = 7; // holes in z in SPD + if (dead==2 || dead==3) modstatus = 2; // dead from OCDB } - t->SetSampledEdx(cl->GetQ(),t->GetNumberOfClusters()-1); } - - { - Double_t x0; - Double_t d=layer.GetThickness(t->GetY(),t->GetZ(),x0); - t->CorrectForMaterial(-step*d,x0); + + if (clAcc) { + if (!UpdateMI(track,clAcc,maxchi2,idx)) return kFALSE; + track->SetSampledEdx(clAcc->GetQ(),track->GetNumberOfClusters()-1); } + track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc); + + + if (extra) { // search for extra clusters in overlapped modules + AliITStrackV2 tmp(*track); + if (!ComputeRoad(track,ilayer,idet,zmin,zmax,ymin,ymax)) return kFALSE; + layer.SelectClusters(zmin,zmax,ymin,ymax); + + const AliITSRecPoint *clExtra=0; Int_t ci=-1,cci=-1; + Int_t idetExtra=-1; + maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(); + Double_t tolerance=0.1; + while ((clExtra=layer.GetNextCluster(ci))!=0) { + // only clusters in another module! (overlaps) + idetExtra = clExtra->GetDetectorIndex(); + if (idet == idetExtra) continue; + + const AliITSdetector &detx=layer.GetDetector(idetExtra); + + if (!tmp.Propagate(detx.GetPhi(),detx.GetR()+clExtra->GetX())) continue; + if (TMath::Abs(tmp.GetZ() - clExtra->GetZ()) > tolerance) continue; + if (TMath::Abs(tmp.GetY() - clExtra->GetY()) > tolerance) continue; + if (!tmp.Propagate(detx.GetPhi(),detx.GetR())) continue; + + Double_t chi2=tmp.GetPredictedChi2(clExtra); + if (chi2=0) { + track->SetExtraCluster(ilayer,(ilayer<<28)+cci); + track->SetExtraModule(ilayer,idetExtra); + } + } // end search for extra clusters in overlapped modules + + // Correct for material of the current layer + if(!CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir)) return kFALSE; // track time update [SR, GSI 17.02.2003] - if (t->IsStartedTimeIntegral() && step==1) { + if (track->IsStartedTimeIntegral() && step==1) { Double_t newX, newY, newZ; - t->GetGlobalXYZat(t->GetX(),newX,newY,newZ); + track->GetGlobalXYZat(track->GetX(),newX,newY,newZ); Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) + (oldZ-newZ)*(oldZ-newZ); - t->AddTimeStep(TMath::Sqrt(dL2)); + track->AddTimeStep(TMath::Sqrt(dL2)); } // - } + } // end loop on layers + + if (!track->PropagateTo(xx,0.,0.)) return kFALSE; - if (!t->PropagateTo(xx,0.,0.)) return kFALSE; return kTRUE; } - - -Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackV2 * track, Int_t mode) +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackMI * track, Int_t mode) { // // calculate normalized chi2 @@ -1572,16 +2344,16 @@ Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackV2 * track, Int_t mode) Float_t *ny = GetNy(fCurrentEsdTrack), *nz = GetNz(fCurrentEsdTrack); if (mode<100){ for (Int_t i = 0;i<6;i++){ - if (track->fClIndex[i]>0){ + if (track->GetClIndex(i)>0){ Float_t cerry, cerrz; if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];} else - { cerry= track->fSigmaY[i]; cerrz = track->fSigmaZ[i];} + { cerry= track->GetSigmaY(i); cerrz = track->GetSigmaZ(i);} cerry*=cerry; cerrz*=cerrz; - Float_t cchi2 = (track->fDy[i]*track->fDy[i]/cerry)+(track->fDz[i]*track->fDz[i]/cerrz); - if (i>1){ - Float_t ratio = track->fNormQ[i]/track->fExpQ; + Float_t cchi2 = (track->GetDy(i)*track->GetDy(i)/cerry)+(track->GetDz(i)*track->GetDz(i)/cerrz); + if (i>1 && AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(i)) { + Float_t ratio = track->GetNormQ(i)/track->GetExpQ(); if (ratio<0.5) { cchi2+=(0.5-ratio)*10.; //track->fdEdxMismatch+=(0.5-ratio)*10.; @@ -1589,7 +2361,7 @@ Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackV2 * track, Int_t mode) } } if (i<2 ||i>3){ - AliITSclusterV2 * cl = (AliITSclusterV2*)GetCluster( track->fClIndex[i]); + AliITSRecPoint * cl = (AliITSRecPoint*)GetCluster( track->GetClIndex(i)); Double_t delta = cl->GetNy()+cl->GetNz()-ny[i]-nz[i]; if (delta>1) chi2 +=0.5*TMath::Min(delta/2,2.); if (i<2) chi2+=2*cl->GetDeltaProbability(); @@ -1598,43 +2370,43 @@ Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackV2 * track, Int_t mode) sum++; } } - if (TMath::Abs(track->fdEdxMismatch-dedxmismatch)>0.0001){ - track->fdEdxMismatch = dedxmismatch; + if (TMath::Abs(track->GetdEdxMismatch()-dedxmismatch)>0.0001){ + track->SetdEdxMismatch(dedxmismatch); } } else{ for (Int_t i = 0;i<4;i++){ - if (track->fClIndex[i]>0){ + if (track->GetClIndex(i)>0){ Float_t cerry, cerrz; if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];} - else { cerry= track->fSigmaY[i]; cerrz = track->fSigmaZ[i];} + else { cerry= track->GetSigmaY(i); cerrz = track->GetSigmaZ(i);} cerry*=cerry; cerrz*=cerrz; - chi2+= (track->fDy[i]*track->fDy[i]/cerry); - chi2+= (track->fDz[i]*track->fDz[i]/cerrz); + chi2+= (track->GetDy(i)*track->GetDy(i)/cerry); + chi2+= (track->GetDz(i)*track->GetDz(i)/cerrz); sum++; } } for (Int_t i = 4;i<6;i++){ - if (track->fClIndex[i]>0){ + if (track->GetClIndex(i)>0){ Float_t cerry, cerrz; if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];} - else { cerry= track->fSigmaY[i]; cerrz = track->fSigmaZ[i];} + else { cerry= track->GetSigmaY(i); cerrz = track->GetSigmaZ(i);} cerry*=cerry; cerrz*=cerrz; Float_t cerryb, cerrzb; if (ny[i+6]>0) {cerryb = erry[i+6]; cerrzb=errz[i+6];} - else { cerryb= track->fSigmaY[i+6]; cerrzb = track->fSigmaZ[i+6];} + else { cerryb= track->GetSigmaY(i+6); cerrzb = track->GetSigmaZ(i+6);} cerryb*=cerryb; cerrzb*=cerrzb; - chi2+= TMath::Min((track->fDy[i+6]*track->fDy[i+6]/cerryb),track->fDy[i]*track->fDy[i]/cerry); - chi2+= TMath::Min((track->fDz[i+6]*track->fDz[i+6]/cerrzb),track->fDz[i]*track->fDz[i]/cerrz); + chi2+= TMath::Min((track->GetDy(i+6)*track->GetDy(i+6)/cerryb),track->GetDy(i)*track->GetDy(i)/cerry); + chi2+= TMath::Min((track->GetDz(i+6)*track->GetDz(i+6)/cerrzb),track->GetDz(i)*track->GetDz(i)/cerrz); sum++; } } } - if (track->fESDtrack->GetTPCsignal()>85){ - Float_t ratio = track->fdEdx/track->fESDtrack->GetTPCsignal(); + if (track->GetESDtrack()->GetTPCsignal()>85){ + Float_t ratio = track->GetdEdx()/track->GetESDtrack()->GetTPCsignal(); if (ratio<0.5) { chi2+=(0.5-ratio)*5.; } @@ -1643,84 +2415,97 @@ Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackV2 * track, Int_t mode) } } // - Double_t match = TMath::Sqrt(track->fChi22); - if (track->fConstrain) match/=track->GetNumberOfClusters(); - if (!track->fConstrain) match/=track->GetNumberOfClusters()-2.; + Double_t match = TMath::Sqrt(track->GetChi22()); + if (track->GetConstrain()) match/=track->GetNumberOfClusters(); + if (!track->GetConstrain()) { + if (track->GetNumberOfClusters()>2) { + match/=track->GetNumberOfClusters()-2.; + } else { + match=0; + } + } if (match<0) match=0; - Float_t deadzonefactor = (track->fNDeadZone>0) ? 3*(1.1-track->fDeadZoneProbability):0.; - Double_t normchi2 = 2*track->fNSkipped+match+deadzonefactor+(1+(2*track->fNSkipped+deadzonefactor)/track->GetNumberOfClusters())* - (chi2)/TMath::Max(double(sum-track->fNSkipped), - 1./(1.+track->fNSkipped)); + Float_t deadzonefactor = (track->GetNDeadZone()>0) ? 3*(1.1-track->GetDeadZoneProbability()):0.; + Double_t normchi2 = 2*track->GetNSkipped()+match+deadzonefactor+(1+(2*track->GetNSkipped()+deadzonefactor)/track->GetNumberOfClusters())* + (chi2)/TMath::Max(double(sum-track->GetNSkipped()), + 1./(1.+track->GetNSkipped())); return normchi2; } - - -Double_t AliITStrackerMI::GetMatchingChi2(AliITStrackV2 * track1, AliITStrackV2 * track2) +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetMatchingChi2(AliITStrackMI * track1, AliITStrackMI * track2) { // // return matching chi2 between two tracks - AliITStrackV2 track3(*track2); + AliITStrackMI track3(*track2); track3.Propagate(track1->GetAlpha(),track1->GetX()); TMatrixD vec(5,1); - vec(0,0)=track1->fP0-track3.fP0; - vec(1,0)=track1->fP1-track3.fP1; - vec(2,0)=track1->fP2-track3.fP2; - vec(3,0)=track1->fP3-track3.fP3; - vec(4,0)=track1->fP4-track3.fP4; + vec(0,0)=track1->GetY() - track3.GetY(); + vec(1,0)=track1->GetZ() - track3.GetZ(); + vec(2,0)=track1->GetSnp() - track3.GetSnp(); + vec(3,0)=track1->GetTgl() - track3.GetTgl(); + vec(4,0)=track1->GetSigned1Pt() - track3.GetSigned1Pt(); // TMatrixD cov(5,5); - cov(0,0) = track1->fC00+track3.fC00; - cov(1,1) = track1->fC11+track3.fC11; - cov(2,2) = track1->fC22+track3.fC22; - cov(3,3) = track1->fC33+track3.fC33; - cov(4,4) = track1->fC44+track3.fC44; + cov(0,0) = track1->GetSigmaY2()+track3.GetSigmaY2(); + cov(1,1) = track1->GetSigmaZ2()+track3.GetSigmaZ2(); + cov(2,2) = track1->GetSigmaSnp2()+track3.GetSigmaSnp2(); + cov(3,3) = track1->GetSigmaTgl2()+track3.GetSigmaTgl2(); + cov(4,4) = track1->GetSigma1Pt2()+track3.GetSigma1Pt2(); - cov(0,1)=cov(1,0) = track1->fC10+track3.fC10; - cov(0,2)=cov(2,0) = track1->fC20+track3.fC20; - cov(0,3)=cov(3,0) = track1->fC30+track3.fC30; - cov(0,4)=cov(4,0) = track1->fC40+track3.fC40; + cov(0,1)=cov(1,0) = track1->GetSigmaZY()+track3.GetSigmaZY(); + cov(0,2)=cov(2,0) = track1->GetSigmaSnpY()+track3.GetSigmaSnpY(); + cov(0,3)=cov(3,0) = track1->GetSigmaTglY()+track3.GetSigmaTglY(); + cov(0,4)=cov(4,0) = track1->GetSigma1PtY()+track3.GetSigma1PtY(); // - cov(1,2)=cov(2,1) = track1->fC21+track3.fC21; - cov(1,3)=cov(3,1) = track1->fC31+track3.fC31; - cov(1,4)=cov(4,1) = track1->fC41+track3.fC41; + cov(1,2)=cov(2,1) = track1->GetSigmaSnpZ()+track3.GetSigmaSnpZ(); + cov(1,3)=cov(3,1) = track1->GetSigmaTglZ()+track3.GetSigmaTglZ(); + cov(1,4)=cov(4,1) = track1->GetSigma1PtZ()+track3.GetSigma1PtZ(); // - cov(2,3)=cov(3,2) = track1->fC32+track3.fC32; - cov(2,4)=cov(4,2) = track1->fC42+track3.fC42; + cov(2,3)=cov(3,2) = track1->GetSigmaTglSnp()+track3.GetSigmaTglSnp(); + cov(2,4)=cov(4,2) = track1->GetSigma1PtSnp()+track3.GetSigma1PtSnp(); // - cov(3,4)=cov(4,3) = track1->fC43+track3.fC43; + cov(3,4)=cov(4,3) = track1->GetSigma1PtTgl()+track3.GetSigma1PtTgl(); cov.Invert(); TMatrixD vec2(cov,TMatrixD::kMult,vec); TMatrixD chi2(vec2,TMatrixD::kTransposeMult,vec); return chi2(0,0); } - -Double_t AliITStrackerMI::GetDeadZoneProbability(Double_t zpos, Double_t zerr) +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) { // - // return probability that given point - characterized by z position and error is in dead zone + // return probability that given point (characterized by z position and error) + // is in SPD dead zone // - Double_t probability =0; + Double_t probability = 0.; Double_t absz = TMath::Abs(zpos); - Double_t nearestz = (absz<2)? 0.:7.1; - if (TMath::Abs(absz-nearestz)>0.25+3*zerr) return 0; - Double_t zmin=0, zmax=0; - if (zpos<-6.){ - zmin = -7.25; zmax = -6.95; - } - if (zpos>6){ - zmin = 7.0; zmax =7.3; - } - if (absz<2){ - zmin = -0.75; zmax = 1.5; + Double_t nearestz = (absz<2.) ? 0.5*(fSPDdetzcentre[1]+fSPDdetzcentre[2]) : + 0.5*(fSPDdetzcentre[2]+fSPDdetzcentre[3]); + if (TMath::Abs(absz-nearestz)>0.25+3.*zerr) return probability; + Double_t zmin, zmax; + if (zpos<-6.) { // dead zone at z = -7 + zmin = fSPDdetzcentre[0] + 0.5*AliITSRecoParam::GetSPDdetzlength(); + zmax = fSPDdetzcentre[1] - 0.5*AliITSRecoParam::GetSPDdetzlength(); + } else if (zpos>6.) { // dead zone at z = +7 + zmin = fSPDdetzcentre[2] + 0.5*AliITSRecoParam::GetSPDdetzlength(); + zmax = fSPDdetzcentre[3] - 0.5*AliITSRecoParam::GetSPDdetzlength(); + } else if (absz<2.) { // dead zone at z = 0 + zmin = fSPDdetzcentre[1] + 0.5*AliITSRecoParam::GetSPDdetzlength(); + zmax = fSPDdetzcentre[2] - 0.5*AliITSRecoParam::GetSPDdetzlength(); + } else { + zmin = 0.; + zmax = 0.; } - probability = (TMath::Erf((zpos-zmin)/zerr) - TMath::Erf((zpos-zmax)/zerr))*0.5; + // probability that the true z is in the range [zmin,zmax] (i.e. inside + // dead zone) + probability = 0.5*( TMath::Erf((zpos-zmin)/zerr/TMath::Sqrt(2.)) - + TMath::Erf((zpos-zmax)/zerr/TMath::Sqrt(2.)) ); return probability; } - - -Double_t AliITStrackerMI::GetTruncatedChi2(AliITStrackV2 * track, Float_t fac) +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetTruncatedChi2(AliITStrackMI * track, Float_t fac) { // // calculate normalized chi2 @@ -1728,9 +2513,9 @@ Double_t AliITStrackerMI::GetTruncatedChi2(AliITStrackV2 * track, Float_t fac) Float_t *erry = GetErrY(fCurrentEsdTrack), *errz = GetErrZ(fCurrentEsdTrack); Float_t ncl = 0; for (Int_t i = 0;i<6;i++){ - if (TMath::Abs(track->fDy[i])>0){ - chi2[i]= (track->fDy[i]/erry[i])*(track->fDy[i]/erry[i]); - chi2[i]+= (track->fDz[i]/errz[i])*(track->fDz[i]/errz[i]); + if (TMath::Abs(track->GetDy(i))>0){ + chi2[i]= (track->GetDy(i)/erry[i])*(track->GetDy(i)/erry[i]); + chi2[i]+= (track->GetDz(i)/errz[i])*(track->GetDz(i)/errz[i]); ncl++; } else{chi2[i]=10000;} @@ -1747,9 +2532,8 @@ Double_t AliITStrackerMI::GetTruncatedChi2(AliITStrackV2 * track, Float_t fac) Double_t normchi2 = sumchi/sumweight; return normchi2; } - - -Double_t AliITStrackerMI::GetInterpolatedChi2(AliITStrackV2 * forwardtrack, AliITStrackV2 * backtrack) +//------------------------------------------------------------------------ +Double_t AliITStrackerMI::GetInterpolatedChi2(AliITStrackMI * forwardtrack, AliITStrackMI * backtrack) { // // calculate normalized chi2 @@ -1757,15 +2541,15 @@ Double_t AliITStrackerMI::GetInterpolatedChi2(AliITStrackV2 * forwardtrack, AliI Int_t npoints = 0; Double_t res =0; for (Int_t i=0;i<6;i++){ - if ( (backtrack->fSigmaY[i]<0.000000001) || (forwardtrack->fSigmaY[i]<0.000000001)) continue; - Double_t sy1 = forwardtrack->fSigmaY[i]; - Double_t sz1 = forwardtrack->fSigmaZ[i]; - Double_t sy2 = backtrack->fSigmaY[i]; - Double_t sz2 = backtrack->fSigmaZ[i]; + if ( (backtrack->GetSigmaY(i)<0.000000001) || (forwardtrack->GetSigmaY(i)<0.000000001)) continue; + Double_t sy1 = forwardtrack->GetSigmaY(i); + Double_t sz1 = forwardtrack->GetSigmaZ(i); + Double_t sy2 = backtrack->GetSigmaY(i); + Double_t sz2 = backtrack->GetSigmaZ(i); if (i<2){ sy2=1000.;sz2=1000;} // - Double_t dy0 = (forwardtrack->fDy[i]/(sy1*sy1) +backtrack->fDy[i]/(sy2*sy2))/(1./(sy1*sy1)+1./(sy2*sy2)); - Double_t dz0 = (forwardtrack->fDz[i]/(sz1*sz1) +backtrack->fDz[i]/(sz2*sz2))/(1./(sz1*sz1)+1./(sz2*sz2)); + Double_t dy0 = (forwardtrack->GetDy(i)/(sy1*sy1) +backtrack->GetDy(i)/(sy2*sy2))/(1./(sy1*sy1)+1./(sy2*sy2)); + Double_t dz0 = (forwardtrack->GetDz(i)/(sz1*sz1) +backtrack->GetDz(i)/(sz2*sz2))/(1./(sz1*sz1)+1./(sz2*sz2)); // Double_t nz0 = dz0*TMath::Sqrt((1./(sz1*sz1)+1./(sz2*sz2))); Double_t ny0 = dy0*TMath::Sqrt((1./(sy1*sy1)+1./(sy2*sy2))); @@ -1774,17 +2558,13 @@ Double_t AliITStrackerMI::GetInterpolatedChi2(AliITStrackV2 * forwardtrack, AliI npoints++; } if (npoints>1) return - TMath::Max(TMath::Abs(0.3*forwardtrack->Get1Pt())-0.5,0.)+ + TMath::Max(0.3*forwardtrack->OneOverPt()-0.5,0.)+ //2*forwardtrack->fNUsed+ - res/TMath::Max(double(npoints-forwardtrack->fNSkipped), - 1./(1.+forwardtrack->fNSkipped)); + res/TMath::Max(double(npoints-forwardtrack->GetNSkipped()), + 1./(1.+forwardtrack->GetNSkipped())); return 1000; } - - - - - +//------------------------------------------------------------------------ Float_t *AliITStrackerMI::GetWeight(Int_t index) { //-------------------------------------------------------------------- // Return pointer to a given cluster @@ -1793,25 +2573,30 @@ Float_t *AliITStrackerMI::GetWeight(Int_t index) { Int_t c=(index & 0x0fffffff) >> 00; return fgLayers[l].GetWeight(c); } - -void AliITStrackerMI::RegisterClusterTracks(AliITStrackV2* track,Int_t id) +//------------------------------------------------------------------------ +void AliITStrackerMI::RegisterClusterTracks(AliITStrackMI* track,Int_t id) { //--------------------------------------------- // register track to the list + // + if (track->GetESDtrack()->GetKinkIndex(0)!=0) return; //don't register kink tracks + // + // for (Int_t icluster=0;iclusterGetNumberOfClusters();icluster++){ Int_t index = track->GetClusterIndex(icluster); Int_t l=(index & 0xf0000000) >> 28; Int_t c=(index & 0x0fffffff) >> 00; - if (c>fgLayers[l].fN) continue; + if (c>fgLayers[l].GetNumberOfClusters()) continue; for (Int_t itrack=0;itrack<4;itrack++){ - if (fgLayers[l].fClusterTracks[itrack][c]<0){ - fgLayers[l].fClusterTracks[itrack][c]=id; + if (fgLayers[l].GetClusterTracks(itrack,c)<0){ + fgLayers[l].SetClusterTracks(itrack,c,id); break; } } } } -void AliITStrackerMI::UnRegisterClusterTracks(AliITStrackV2* track, Int_t id) +//------------------------------------------------------------------------ +void AliITStrackerMI::UnRegisterClusterTracks(AliITStrackMI* track, Int_t id) { //--------------------------------------------- // unregister track from the list @@ -1819,15 +2604,16 @@ void AliITStrackerMI::UnRegisterClusterTracks(AliITStrackV2* track, Int_t id) Int_t index = track->GetClusterIndex(icluster); Int_t l=(index & 0xf0000000) >> 28; Int_t c=(index & 0x0fffffff) >> 00; - if (c>fgLayers[l].fN) continue; + if (c>fgLayers[l].GetNumberOfClusters()) continue; for (Int_t itrack=0;itrack<4;itrack++){ - if (fgLayers[l].fClusterTracks[itrack][c]==id){ - fgLayers[l].fClusterTracks[itrack][c]=-1; + if (fgLayers[l].GetClusterTracks(itrack,c)==id){ + fgLayers[l].SetClusterTracks(itrack,c,-1); } } } } -Float_t AliITStrackerMI::GetNumberOfSharedClusters(AliITStrackV2* track,Int_t id, Int_t list[6], AliITSclusterV2 *clist[6]) +//------------------------------------------------------------------------ +Float_t AliITStrackerMI::GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]) { //------------------------------------------------------------- //get number of shared clusters @@ -1842,16 +2628,17 @@ Float_t AliITStrackerMI::GetNumberOfSharedClusters(AliITStrackV2* track,Int_t id Int_t index = track->GetClusterIndex(icluster); Int_t l=(index & 0xf0000000) >> 28; Int_t c=(index & 0x0fffffff) >> 00; - if (c>fgLayers[l].fN) continue; + if (c>fgLayers[l].GetNumberOfClusters()) continue; if (ny[l]==0){ printf("problem\n"); } - AliITSclusterV2 *cl = (AliITSclusterV2*)GetCluster(index); + AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index); Float_t weight=1; // Float_t deltan = 0; if (l>3&&cl->GetNy()+cl->GetNz()>6) continue; - if (l>2&&track->fNormQ[l]/track->fExpQ>3.5) continue; + if (l>2&&AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(l)) + if (track->GetNormQ(l)/track->GetExpQ()>3.5) continue; if (l<2 || l>3){ deltan = (cl->GetNy()+cl->GetNz()-ny[l]-nz[l]); } @@ -1862,19 +2649,19 @@ Float_t AliITStrackerMI::GetNumberOfSharedClusters(AliITStrackV2* track,Int_t id weight = 2./TMath::Max(3.+deltan,2.); // for (Int_t itrack=0;itrack<4;itrack++){ - if (fgLayers[l].fClusterTracks[itrack][c]>=0 && fgLayers[l].fClusterTracks[itrack][c]!=id){ + if (fgLayers[l].GetClusterTracks(itrack,c)>=0 && fgLayers[l].GetClusterTracks(itrack,c)!=id){ list[l]=index; - clist[l] = (AliITSclusterV2*)GetCluster(index); + clist[l] = (AliITSRecPoint*)GetCluster(index); shared+=weight; break; } } } - track->fNUsed=shared; + track->SetNUsed(shared); return shared; } - -Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6],Int_t overlist[6]) +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6],Int_t overlist[6]) { // // find first shared track @@ -1895,13 +2682,14 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ if (ny[l]==0){ printf("problem\n"); } - if (c>fgLayers[l].fN) continue; + if (c>fgLayers[l].GetNumberOfClusters()) continue; //if (l>3) continue; - AliITSclusterV2 *cl = (AliITSclusterV2*)GetCluster(index); + AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index); // Float_t deltan = 0; if (l>3&&cl->GetNy()+cl->GetNz()>6) continue; - if (l>2&&track->fNormQ[l]/track->fExpQ>3.5) continue; + if (l>2&&AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(l)) + if (track->GetNormQ(l)/track->GetExpQ()>3.5) continue; if (l<2 || l>3){ deltan = (cl->GetNy()+cl->GetNz()-ny[l]-nz[l]); } @@ -1911,9 +2699,9 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ if (deltan>2.0) continue; // extended - highly probable shared cluster // for (Int_t itrack=3;itrack>=0;itrack--){ - if (fgLayers[l].fClusterTracks[itrack][c]<0) continue; - if (fgLayers[l].fClusterTracks[itrack][c]!=trackID){ - tracks[trackindex] = fgLayers[l].fClusterTracks[itrack][c]; + if (fgLayers[l].GetClusterTracks(itrack,c)<0) continue; + if (fgLayers[l].GetClusterTracks(itrack,c)!=trackID){ + tracks[trackindex] = fgLayers[l].GetClusterTracks(itrack,c); trackindex++; } } @@ -1925,13 +2713,13 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ if (trackindex==2) sharedtrack =TMath::Min(tracks[0],tracks[1]); else{ // - Int_t track[24], cluster[24]; - for (Int_t i=0;imax) { - sharedtrack=track[index]; + sharedtrack=tracks2[index]; max=cluster[index]; } } @@ -1961,8 +2749,8 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ Int_t index = clusterlist[icluster]; Int_t l=(index & 0xf0000000) >> 28; Int_t c=(index & 0x0fffffff) >> 00; - if (c>fgLayers[l].fN) continue; - AliITSclusterV2 *cl = (AliITSclusterV2*)GetCluster(index); + if (c>fgLayers[l].GetNumberOfClusters()) continue; + AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index); if (l==0 || l==1){ if (cl->GetNy()>2) continue; if (cl->GetNz()>2) continue; @@ -1973,8 +2761,8 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ } // for (Int_t itrack=3;itrack>=0;itrack--){ - if (fgLayers[l].fClusterTracks[itrack][c]<0) continue; - if (fgLayers[l].fClusterTracks[itrack][c]==sharedtrack){ + if (fgLayers[l].GetClusterTracks(itrack,c)<0) continue; + if (fgLayers[l].GetClusterTracks(itrack,c)==sharedtrack){ overlist[l]=index; shared++; } @@ -1982,30 +2770,29 @@ Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_ } return sharedtrack; } - - -AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t th0, Float_t th1){ +//------------------------------------------------------------------------ +AliITStrackMI * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t th0, Float_t th1){ // // try to find track hypothesys without conflicts // with minimal chi2; TClonesArray *arr1 = (TClonesArray*)fTrackHypothesys.At(trackID1); Int_t entries1 = arr1->GetEntriesFast(); TClonesArray *arr2 = (TClonesArray*)fTrackHypothesys.At(trackID2); - if (!arr2) return (AliITStrackV2*) arr1->UncheckedAt(0); + if (!arr2) return (AliITStrackMI*) arr1->UncheckedAt(0); Int_t entries2 = arr2->GetEntriesFast(); - if (entries2<=0) return (AliITStrackV2*) arr1->UncheckedAt(0); + if (entries2<=0) return (AliITStrackMI*) arr1->UncheckedAt(0); // - AliITStrackV2 * track10=(AliITStrackV2*) arr1->UncheckedAt(0); - AliITStrackV2 * track20=(AliITStrackV2*) arr2->UncheckedAt(0); - if (TMath::Abs(1./track10->Get1Pt())>0.5+TMath::Abs(1/track20->Get1Pt())) return track10; + AliITStrackMI * track10=(AliITStrackMI*) arr1->UncheckedAt(0); + AliITStrackMI * track20=(AliITStrackMI*) arr2->UncheckedAt(0); + if (track10->Pt()>0.5+track20->Pt()) return track10; for (Int_t itrack=0;itrackUncheckedAt(itrack); + AliITStrackMI * track=(AliITStrackMI*) arr1->UncheckedAt(itrack); UnRegisterClusterTracks(track,trackID1); } // for (Int_t itrack=0;itrackUncheckedAt(itrack); + AliITStrackMI * track=(AliITStrackMI*) arr2->UncheckedAt(itrack); UnRegisterClusterTracks(track,trackID2); } Int_t index1=0; @@ -2017,7 +2804,7 @@ AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Double_t w1,w2; Int_t list1[6],list2[6]; - AliITSclusterV2 *clist1[6], *clist2[6] ; + AliITSRecPoint *clist1[6], *clist2[6] ; RegisterClusterTracks(track10,trackID1); RegisterClusterTracks(track20,trackID2); Float_t conflict1 = GetNumberOfSharedClusters(track10,trackID1,list1,clist1); @@ -2038,14 +2825,14 @@ AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, nerry[i] = TMath::Max(erry1[i],erry2[i]); nerrz[i] = TMath::Max(errz1[i],errz2[i]); } - if (TMath::Abs(track10->fDy[i])>0.000000000000001){ - chi21 += track10->fDy[i]*track10->fDy[i]/(nerry[i]*nerry[i]); - chi21 += track10->fDz[i]*track10->fDz[i]/(nerrz[i]*nerrz[i]); + if (TMath::Abs(track10->GetDy(i))>0.000000000000001){ + chi21 += track10->GetDy(i)*track10->GetDy(i)/(nerry[i]*nerry[i]); + chi21 += track10->GetDz(i)*track10->GetDz(i)/(nerrz[i]*nerrz[i]); ncl1++; } - if (TMath::Abs(track20->fDy[i])>0.000000000000001){ - chi22 += track20->fDy[i]*track20->fDy[i]/(nerry[i]*nerry[i]); - chi22 += track20->fDz[i]*track20->fDz[i]/(nerrz[i]*nerrz[i]); + if (TMath::Abs(track20->GetDy(i))>0.000000000000001){ + chi22 += track20->GetDy(i)*track20->GetDy(i)/(nerry[i]*nerry[i]); + chi22 += track20->GetDz(i)*track20->GetDz(i)/(nerrz[i]*nerrz[i]); ncl2++; } } @@ -2053,18 +2840,18 @@ AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, chi22/=ncl2; // // - Float_t d1 = TMath::Sqrt(track10->fD[0]*track10->fD[0]+track10->fD[1]*track10->fD[1])+0.1; - Float_t d2 = TMath::Sqrt(track20->fD[0]*track20->fD[0]+track20->fD[1]*track20->fD[1])+0.1; + Float_t d1 = TMath::Sqrt(track10->GetD(0)*track10->GetD(0)+track10->GetD(1)*track10->GetD(1))+0.1; + Float_t d2 = TMath::Sqrt(track20->GetD(0)*track20->GetD(0)+track20->GetD(1)*track20->GetD(1))+0.1; Float_t s1 = TMath::Sqrt(track10->GetSigmaY2()*track10->GetSigmaZ2()); Float_t s2 = TMath::Sqrt(track20->GetSigmaY2()*track20->GetSigmaZ2()); // w1 = (d2/(d1+d2)+ 2*s2/(s1+s2)+ +s2/(s1+s2)*0.5*(chi22+2.)/(chi21+chi22+4.) - +1.*TMath::Abs(1./track10->Get1Pt())/(TMath::Abs(1./track10->Get1Pt())+TMath::Abs(1./track20->Get1Pt())) + +1.*track10->Pt()/(track10->Pt()+track20->Pt()) ); w2 = (d1/(d1+d2)+ 2*s1/(s1+s2)+ s1/(s1+s2)*0.5*(chi21+2.)/(chi21+chi22+4.) - +1.*TMath::Abs(1./track20->Get1Pt())/(TMath::Abs(1./track10->Get1Pt())+TMath::Abs(1./track20->Get1Pt())) + +1.*track20->Pt()/(track10->Pt()+track20->Pt()) ); Double_t sumw = w1+w2; @@ -2083,24 +2870,22 @@ AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t * ny2 = GetNy(trackID2), * nz2 = GetNz(trackID2); for (Int_t itrack1=0;itrack1UncheckedAt(itrack1); + AliITStrackMI * track1=(AliITStrackMI*) arr1->UncheckedAt(itrack1); //if (track1->fFakeRatio>0) continue; RegisterClusterTracks(track1,trackID1); for (Int_t itrack2=0;itrack2UncheckedAt(itrack2); + AliITStrackMI * track2=(AliITStrackMI*) arr2->UncheckedAt(itrack2); // Float_t current = w1*track1->fChi2MIP[0]+w2*track2->fChi2MIP[0]; //if (track2->fFakeRatio>0) continue; Float_t nskipped=0; RegisterClusterTracks(track2,trackID2); - Int_t list1[6],list2[6]; - AliITSclusterV2 *clist1[6], *clist2[6] ; Float_t cconflict1 = GetNumberOfSharedClusters(track1,trackID1,list1,clist1); Float_t cconflict2 = GetNumberOfSharedClusters(track2,trackID2,list2,clist2); UnRegisterClusterTracks(track2,trackID2); // - if (track1->fConstrain) nskipped+=w1*track1->fNSkipped; - if (track2->fConstrain) nskipped+=w2*track2->fNSkipped; + if (track1->GetConstrain()) nskipped+=w1*track1->GetNSkipped(); + if (track2->GetConstrain()) nskipped+=w2*track2->GetNSkipped(); if (nskipped>0.5) continue; // //if ( w1*conflict1+w2*conflict2>maxconflicts0) continue; @@ -2150,32 +2935,32 @@ AliITStrackV2 * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, } } // - Double_t chi21=0,chi22=0; - if (TMath::Abs(track1->fDy[i])>0.) { - chi21 = (track1->fDy[i]/track1->fSigmaY[i])*(track1->fDy[i]/track1->fSigmaY[i])+ - (track1->fDz[i]/track1->fSigmaZ[i])*(track1->fDz[i]/track1->fSigmaZ[i]); + chi21=0;chi22=0; + if (TMath::Abs(track1->GetDy(i))>0.) { + chi21 = (track1->GetDy(i)/track1->GetSigmaY(i))*(track1->GetDy(i)/track1->GetSigmaY(i))+ + (track1->GetDz(i)/track1->GetSigmaZ(i))*(track1->GetDz(i)/track1->GetSigmaZ(i)); //chi21 = (track1->fDy[i]*track1->fDy[i])/(nerry[i]*nerry[i])+ - // (track1->fDz[i]*track1->fDz[i])/(nerrz[i]*nerrz[i]); + // (track1->GetDz(i)*track1->GetDz(i))/(nerrz[i]*nerrz[i]); }else{ - if (TMath::Abs(track1->fSigmaY[i]>0.)) c1=1; + if (TMath::Abs(track1->GetSigmaY(i)>0.)) c1=1; } // - if (TMath::Abs(track2->fDy[i])>0.) { - chi22 = (track2->fDy[i]/track2->fSigmaY[i])*(track2->fDy[i]/track2->fSigmaY[i])+ - (track2->fDz[i]/track2->fSigmaZ[i])*(track2->fDz[i]/track2->fSigmaZ[i]); + if (TMath::Abs(track2->GetDy(i))>0.) { + chi22 = (track2->GetDy(i)/track2->GetSigmaY(i))*(track2->GetDy(i)/track2->GetSigmaY(i))+ + (track2->GetDz(i)/track2->GetSigmaZ(i))*(track2->GetDz(i)/track2->GetSigmaZ(i)); //chi22 = (track2->fDy[i]*track2->fDy[i])/(nerry[i]*nerry[i])+ // (track2->fDz[i]*track2->fDz[i])/(nerrz[i]*nerrz[i]); } else{ - if (TMath::Abs(track2->fSigmaY[i]>0.)) c2=1; + if (TMath::Abs(track2->GetSigmaY(i)>0.)) c2=1; } sumchi2+=w1*(1.+c1)*(1+c1)*(chi21+c1)+w2*(1.+c2)*(1+c2)*(chi22+c2); if (chi21>0) sum+=w1; if (chi22>0) sum+=w2; conflict+=(c1+c2); } - Double_t norm = sum-w1*track1->fNSkipped-w2*track2->fNSkipped; - if (norm<0) norm =1/(w1*track1->fNSkipped+w2*track2->fNSkipped); + Double_t norm = sum-w1*track1->GetNSkipped()-w2*track2->GetNSkipped(); + if (norm<0) norm =1/(w1*track1->GetNSkipped()+w2*track2->GetNSkipped()); Double_t normchi2 = 2*conflict+sumchi2/sum; if ( normchi2 fFakeRatio*track10->GetNumberOfClusters(); - AliITStrackV2* track1=(AliITStrackV2*) arr1->UncheckedAt(index1); - track1->fChi2MIP[5] = maxconflicts; - track1->fChi2MIP[6] = maxchi2; - track1->fChi2MIP[7] = 0.01+orig-(track1->fFakeRatio*track1->GetNumberOfClusters()); + Float_t orig = track10->GetFakeRatio()*track10->GetNumberOfClusters(); + AliITStrackMI* track1=(AliITStrackMI*) arr1->UncheckedAt(index1); + track1->SetChi2MIP(5,maxconflicts); + track1->SetChi2MIP(6,maxchi2); + track1->SetChi2MIP(7,0.01+orig-(track1->GetFakeRatio()*track1->GetNumberOfClusters())); // track1->UpdateESDtrack(AliESDtrack::kITSin); - track1->fChi2MIP[8] = index1; + track1->SetChi2MIP(8,index1); fBestTrackIndex[trackID1] =index1; UpdateESDtrack(track1, AliESDtrack::kITSin); } - else if (track10->fChi2MIP[0]fChi2MIP[5] = maxconflicts; - track10->fChi2MIP[6] = maxchi2; + else if (track10->GetChi2MIP(0)SetChi2MIP(5,maxconflicts); + track10->SetChi2MIP(6,maxchi2); // track10->UpdateESDtrack(AliESDtrack::kITSin); UpdateESDtrack(track10,AliESDtrack::kITSin); } for (Int_t itrack=0;itrackUncheckedAt(itrack); + AliITStrackMI * track=(AliITStrackMI*) arr1->UncheckedAt(itrack); UnRegisterClusterTracks(track,trackID1); } // for (Int_t itrack=0;itrackUncheckedAt(itrack); + AliITStrackMI * track=(AliITStrackMI*) arr2->UncheckedAt(itrack); UnRegisterClusterTracks(track,trackID2); } - if (track10->fConstrain&&track10->fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]GetConstrain()&&track10->GetChi2MIP(0)GetMaxChi2PerCluster(0)&&track10->GetChi2MIP(1)GetMaxChi2PerCluster(1) + &&track10->GetChi2MIP(2)GetMaxChi2PerCluster(2)&&track10->GetChi2MIP(3)GetMaxChi2PerCluster(3)){ + // if (track10->fChi2MIP[0]GetMaxChi2PerCluster(0)&&track10->fChi2MIP[1]GetMaxChi2PerCluster(1) + // &&track10->fChi2MIP[2]GetMaxChi2PerCluster(2)&&track10->fChi2MIP[3]GetMaxChi2PerCluster(3)){ RegisterClusterTracks(track10,trackID1); } - if (track20->fConstrain&&track20->fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]GetConstrain()&&track20->GetChi2MIP(0)GetMaxChi2PerCluster(0)&&track20->GetChi2MIP(1)GetMaxChi2PerCluster(1) + &&track20->GetChi2MIP(2)GetMaxChi2PerCluster(2)&&track20->GetChi2MIP(3)GetMaxChi2PerCluster(3)){ + //if (track20->fChi2MIP[0]GetMaxChi2PerCluster(0)&&track20->fChi2MIP[1]GetMaxChi2PerCluster(1) + // &&track20->fChi2MIP[2]GetMaxChi2PerCluster(2)&&track20->fChi2MIP[3]GetMaxChi2PerCluster(3)){ RegisterClusterTracks(track20,trackID2); } return track10; } - +//------------------------------------------------------------------------ void AliITStrackerMI::UseClusters(const AliKalmanTrack *t, Int_t from) const { //-------------------------------------------------------------------- // This function marks clusters assigned to the track //-------------------------------------------------------------------- AliTracker::UseClusters(t,from); - AliITSclusterV2 *c=(AliITSclusterV2 *)GetCluster(t->GetClusterIndex(0)); + AliITSRecPoint *c=(AliITSRecPoint *)GetCluster(t->GetClusterIndex(0)); //if (c->GetQ()>2) c->Use(); if (c->GetSigmaZ2()>0.1) c->Use(); - c=(AliITSclusterV2 *)GetCluster(t->GetClusterIndex(1)); + c=(AliITSRecPoint *)GetCluster(t->GetClusterIndex(1)); //if (c->GetQ()>2) c->Use(); if (c->GetSigmaZ2()>0.1) c->Use(); } - - -void AliITStrackerMI::AddTrackHypothesys(AliITStrackV2 * track, Int_t esdindex) +//------------------------------------------------------------------------ +void AliITStrackerMI::AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex) { //------------------------------------------------------------------ // add track to the list of hypothesys //------------------------------------------------------------------ - if (esdindex>=fTrackHypothesys.GetEntriesFast()) fTrackHypothesys.Expand(esdindex*2+10); + if (esdindex>=fTrackHypothesys.GetEntriesFast()) + fTrackHypothesys.Expand(TMath::Max(fTrackHypothesys.GetSize(),esdindex*2+10)); // TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex); if (!array) { @@ -2263,7 +3048,7 @@ void AliITStrackerMI::AddTrackHypothesys(AliITStrackV2 * track, Int_t esdindex) } array->AddLast(track); } - +//------------------------------------------------------------------------ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode) { //------------------------------------------------------------------- @@ -2278,20 +3063,20 @@ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mo //- find preliminary besttrack as a reference Float_t minchi2=10000; Int_t maxn=0; - AliITStrackV2 * besttrack=0; + AliITStrackMI * besttrack=0; for (Int_t itrack=0;itrackGetEntriesFast();itrack++){ - AliITStrackV2 * track = (AliITStrackV2*)array->At(itrack); + AliITStrackMI * track = (AliITStrackMI*)array->At(itrack); if (!track) continue; Float_t chi2 = NormalizedChi2(track,0); // - Int_t tpcLabel=track->fESDtrack->GetTPCLabel(); + Int_t tpcLabel=track->GetESDtrack()->GetTPCLabel(); track->SetLabel(tpcLabel); CookdEdx(track); - track->fFakeRatio=1.; + track->SetFakeRatio(1.); CookLabel(track,0.); //For comparison only // - //if (chi2fFakeRatio==0){ - if (chi2GetMaxChi2PerCluster(0)&&track->fFakeRatio==0){ + if (chi2GetMaxChi2PerCluster(0)){ if (track->GetNumberOfClusters()GetNumberOfClusters(); if (chi2RemoveAt(itrack); + if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain + delete array->RemoveAt(itrack); + } } } if (!besttrack) return; @@ -2309,12 +3096,12 @@ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mo //take errors of best track as a reference Float_t *erry = GetErrY(esdindex), *errz = GetErrZ(esdindex); Float_t *ny = GetNy(esdindex), *nz = GetNz(esdindex); - for (Int_t i=0;i<6;i++) { - if (besttrack->fClIndex[i]>0){ - erry[i] = besttrack->fSigmaY[i]; erry[i+6] = besttrack->fSigmaY[i+6]; - errz[i] = besttrack->fSigmaZ[i]; errz[i+6] = besttrack->fSigmaZ[i+6]; - ny[i] = besttrack->fNy[i]; - nz[i] = besttrack->fNz[i]; + for (Int_t j=0;j<6;j++) { + if (besttrack->GetClIndex(j)>0){ + erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6); + errz[j] = besttrack->GetSigmaZ(j); errz[j+6] = besttrack->GetSigmaZ(j+6); + ny[j] = besttrack->GetNy(j); + nz[j] = besttrack->GetNz(j); } } // @@ -2324,25 +3111,28 @@ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mo Int_t * index = new Int_t[entries]; for (Int_t i=0;iAt(itrack); + AliITStrackMI * track = (AliITStrackMI*)array->At(itrack); if (track){ - track->fChi2MIP[0] = GetNormalizedChi2(track, mode); - if (track->fChi2MIP[0]fChi2MIP[0]; - else - delete array->RemoveAt(itrack); + track->SetChi2MIP(0,GetNormalizedChi2(track, mode)); + if (track->GetChi2MIP(0)GetMaxChi2PerCluster(0)) + chi2[itrack] = track->GetChi2MIP(0); + else{ + if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain + delete array->RemoveAt(itrack); + } + } } } // TMath::Sort(entries,chi2,index,kFALSE); - besttrack = (AliITStrackV2*)array->At(index[0]); - if (besttrack&&besttrack->fChi2MIP[0]fClIndex[i]>0){ - erry[i] = besttrack->fSigmaY[i]; erry[i+6] = besttrack->fSigmaY[i+6]; - errz[i] = besttrack->fSigmaZ[i]; erry[i+6] = besttrack->fSigmaY[i+6]; - ny[i] = besttrack->fNy[i]; - nz[i] = besttrack->fNz[i]; + besttrack = (AliITStrackMI*)array->At(index[0]); + if (besttrack&&besttrack->GetChi2MIP(0)GetMaxChi2PerCluster(0)){ + for (Int_t j=0;j<6;j++){ + if (besttrack->GetClIndex(j)>0){ + erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6); + errz[j] = besttrack->GetSigmaZ(j); erry[j+6] = besttrack->GetSigmaY(j+6); + ny[j] = besttrack->GetNy(j); + nz[j] = besttrack->GetNz(j); } } } @@ -2350,54 +3140,62 @@ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mo // calculate one more time with updated normalized errors for (Int_t i=0;iAt(itrack); + AliITStrackMI * track = (AliITStrackMI*)array->At(itrack); if (track){ - track->fChi2MIP[0] = GetNormalizedChi2(track,mode); - if (track->fChi2MIP[0]fChi2MIP[0]-0*(track->GetNumberOfClusters()+track->fNDeadZone); - else - delete array->RemoveAt(itrack); + track->SetChi2MIP(0,GetNormalizedChi2(track,mode)); + if (track->GetChi2MIP(0)GetMaxChi2PerCluster(0)) + chi2[itrack] = track->GetChi2MIP(0)-0*(track->GetNumberOfClusters()+track->GetNDeadZone()); + else + { + if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain + delete array->RemoveAt(itrack); + } + } } } entries = array->GetEntriesFast(); // + // if (entries>0){ TObjArray * newarray = new TObjArray(); TMath::Sort(entries,chi2,index,kFALSE); - besttrack = (AliITStrackV2*)array->At(index[0]); + besttrack = (AliITStrackMI*)array->At(index[0]); if (besttrack){ // - for (Int_t i=0;i<6;i++){ - if (besttrack->fNz[i]>0&&besttrack->fNy[i]>0){ - erry[i] = besttrack->fSigmaY[i]; erry[i+6] = besttrack->fSigmaY[i+6]; - errz[i] = besttrack->fSigmaZ[i]; errz[i+6] = besttrack->fSigmaZ[i+6]; - ny[i] = besttrack->fNy[i]; - nz[i] = besttrack->fNz[i]; + for (Int_t j=0;j<6;j++){ + if (besttrack->GetNz(j)>0&&besttrack->GetNy(j)>0){ + erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6); + errz[j] = besttrack->GetSigmaZ(j); errz[j+6] = besttrack->GetSigmaZ(j+6); + ny[j] = besttrack->GetNy(j); + nz[j] = besttrack->GetNz(j); } } - besttrack->fChi2MIP[0] = GetNormalizedChi2(besttrack,mode); - Float_t minchi2 = TMath::Min(besttrack->fChi2MIP[0]+5.+besttrack->fNUsed, double(kMaxChi2PerCluster[0])); + besttrack->SetChi2MIP(0,GetNormalizedChi2(besttrack,mode)); + minchi2 = TMath::Min(besttrack->GetChi2MIP(0)+5.+besttrack->GetNUsed(), double(AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0))); Float_t minn = besttrack->GetNumberOfClusters()-3; Int_t accepted=0; for (Int_t i=0;iAt(index[i]); + AliITStrackMI * track = (AliITStrackMI*)array->At(index[i]); if (!track) continue; if (accepted>maxcut) break; - track->fChi2MIP[0] = GetNormalizedChi2(track,mode); - if (track->GetNumberOfClusters()<6 && (track->fChi2MIP[0]+track->fNUsed>minchi2)){ - delete array->RemoveAt(index[i]); - continue; + track->SetChi2MIP(0,GetNormalizedChi2(track,mode)); + if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain + if (track->GetNumberOfClusters()<6 && (track->GetChi2MIP(0)+track->GetNUsed()>minchi2)){ + delete array->RemoveAt(index[i]); + continue; + } } - if (track->fChi2MIP[0]+track->fNUsedGetNumberOfClusters()>=minn){ - accepted++; + Bool_t shortbest = !track->GetConstrain() && track->GetNumberOfClusters()<6; + if ((track->GetChi2MIP(0)+track->GetNUsed()GetNumberOfClusters()>=minn) ||shortbest){ + if (!shortbest) accepted++; // newarray->AddLast(array->RemoveAt(index[i])); - for (Int_t i=0;i<6;i++){ - if (nz[i]==0){ - erry[i] = track->fSigmaY[i]; erry[i+6] = track->fSigmaY[i+6]; - errz[i] = track->fSigmaZ[i]; errz[i] = track->fSigmaZ[i+6]; - ny[i] = track->fNy[i]; - nz[i] = track->fNz[i]; + for (Int_t j=0;j<6;j++){ + if (nz[j]==0){ + erry[j] = track->GetSigmaY(j); erry[j+6] = track->GetSigmaY(j+6); + errz[j] = track->GetSigmaZ(j); errz[j] = track->GetSigmaZ(j+6); + ny[j] = track->GetNy(j); + nz[j] = track->GetNz(j); } } } @@ -2417,10 +3215,8 @@ void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mo delete [] chi2; delete [] index; } - - - -AliITStrackV2 * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackV2 * original, Int_t checkmax) +//------------------------------------------------------------------------ +AliITStrackMI * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax) { //------------------------------------------------------------- // try to find best hypothesy @@ -2432,116 +3228,109 @@ AliITStrackV2 * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackV2 Int_t entries = array->GetEntriesFast(); if (!entries) return 0; Float_t minchi2 = 100000; - AliITStrackV2 * besttrack=0; + AliITStrackMI * besttrack=0; // - AliITStrackV2 * backtrack = new AliITStrackV2(*original); - AliITStrackV2 * forwardtrack = new AliITStrackV2(*original); + AliITStrackMI * backtrack = new AliITStrackMI(*original); + AliITStrackMI * forwardtrack = new AliITStrackMI(*original); + Double_t xyzVtx[]={GetX(),GetY(),GetZ()}; + Double_t ersVtx[]={GetSigmaX()/3.,GetSigmaY()/3.,GetSigmaZ()/3.}; // for (Int_t i=0;iAt(i); + AliITStrackMI * track = (AliITStrackMI*)array->At(i); if (!track) continue; - track->fChi2MIP[1] = 1000000; - track->fChi2MIP[2] = 1000000; - track->fChi2MIP[3] = 1000000; + Float_t sigmarfi,sigmaz; + GetDCASigma(track,sigmarfi,sigmaz); + track->SetDnorm(0,sigmarfi); + track->SetDnorm(1,sigmaz); + // + track->SetChi2MIP(1,1000000); + track->SetChi2MIP(2,1000000); + track->SetChi2MIP(3,1000000); // // backtrack - backtrack = new(backtrack) AliITStrackV2(*track); - backtrack->ResetCovariance(); - backtrack->ResetCovariance(); + backtrack = new(backtrack) AliITStrackMI(*track); + if (track->GetConstrain()) { + if (!CorrectForPipeMaterial(backtrack,"inward")) continue; + if (!backtrack->Improve(0,xyzVtx,ersVtx)) continue; + backtrack->ResetCovariance(10.); + }else{ + backtrack->ResetCovariance(10.); + } backtrack->ResetClusters(); + Double_t x = original->GetX(); if (!RefitAt(x,backtrack,track)) continue; - track->fChi2MIP[1] = NormalizedChi2(backtrack,0); + // + track->SetChi2MIP(1,NormalizedChi2(backtrack,0)); //for (Int_t i=2;i<6;i++){track->fDy[i]+=backtrack->fDy[i]; track->fDz[i]+=backtrack->fDz[i];} - if (track->fChi2MIP[1]>kMaxChi2PerCluster[1]*6.) continue; - track->fChi22 = GetMatchingChi2(backtrack,original); + if (track->GetChi2MIP(1)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)*6.) continue; + track->SetChi22(GetMatchingChi2(backtrack,original)); - if ((track->fConstrain) && track->fChi22>90.) continue; - if ((!track->fConstrain) && track->fChi22>30.) continue; - if ( track->fChi22/track->GetNumberOfClusters()>11.) continue; + if ((track->GetConstrain()) && track->GetChi22()>90.) continue; + if ((!track->GetConstrain()) && track->GetChi22()>30.) continue; + if ( track->GetChi22()/track->GetNumberOfClusters()>11.) continue; - if (!(track->fConstrain)&&track->fChi2MIP[1]>kMaxChi2PerCluster[1]) continue; - Bool_t isOK=kTRUE; - /* - for (Int_t i=0;i<6;i++){ - if (track->fClIndex[i]>0){ - Double_t dy1 = (track->fDy[i]/track->fSigmaY[i]); - Double_t dz1 = (track->fDz[i]/track->fSigmaZ[i]); - Double_t dy2 = (backtrack->fDy[i]/backtrack->fSigmaY[i]); - Double_t dz2 = (backtrack->fDz[i]/backtrack->fSigmaZ[i]); - if (TMath::Min(dy1*dy1+dz1*dz1,dy2*dy2+dz2*dz2)> kMaxChi2sR[i]) isOK =kFALSE; - track->fDy[i+6] = backtrack->fDy[i]; - track->fDz[i+6] = backtrack->fDz[i]; - track->fSigmaY[i+6] = backtrack->fSigmaY[i]; - track->fSigmaZ[i+6] = backtrack->fSigmaZ[i]; - } - else{ - if (i==5){ - if (track->fClIndex[i-1]>0){ - Double_t dy2 = (backtrack->fDy[i-1]/backtrack->fSigmaY[i-1]); - Double_t dz2 = (backtrack->fDz[i-1]/backtrack->fSigmaZ[i-1]); - if (dy2*dy2+dz2*dz2> kMaxChi2sR[i]) isOK =kFALSE; - } - else isOK = kFALSE; - } - } - } - */ - if(!isOK) continue; + if (!(track->GetConstrain())&&track->GetChi2MIP(1)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)) continue; // //forward track - without constraint - forwardtrack = new(forwardtrack) AliITStrackV2(*original); + forwardtrack = new(forwardtrack) AliITStrackMI(*original); forwardtrack->ResetClusters(); x = track->GetX(); - if (!RefitAt(x,forwardtrack,track)) continue; - track->fChi2MIP[2] = NormalizedChi2(forwardtrack,0); - if (track->fChi2MIP[2]>kMaxChi2PerCluster[2]*6.0) continue; - if (!(track->fConstrain)&&track->fChi2MIP[2]>kMaxChi2PerCluster[2]) continue; + RefitAt(x,forwardtrack,track); + track->SetChi2MIP(2,NormalizedChi2(forwardtrack,0)); + if (track->GetChi2MIP(2)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)*6.0) continue; + if (!(track->GetConstrain())&&track->GetChi2MIP(2)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)) continue; - track->fD[0] = forwardtrack->GetD(GetX(),GetY()); - track->fD[1] = forwardtrack->GetZat(GetX())-GetZ(); - forwardtrack->fD[0] = track->fD[0]; - forwardtrack->fD[1] = track->fD[1]; + //track->fD[0] = forwardtrack->GetD(GetX(),GetY()); + //track->fD[1] = forwardtrack->GetZat(GetX())-GetZ(); + forwardtrack->GetDZ(GetX(),GetY(),GetZ(),track->GetDP()); //I.B. + forwardtrack->SetD(0,track->GetD(0)); + forwardtrack->SetD(1,track->GetD(1)); { Int_t list[6]; - AliITSclusterV2* clist[6]; - track->fChi2MIP[4] = GetNumberOfSharedClusters(track,esdindex,list,clist); - if ( (!track->fConstrain) && track->fChi2MIP[4]>1.0) continue; + AliITSRecPoint* clist[6]; + track->SetChi2MIP(4,GetNumberOfSharedClusters(track,esdindex,list,clist)); + if ( (!track->GetConstrain()) && track->GetChi2MIP(4)>1.0) continue; } - track->fChi2MIP[3] = GetInterpolatedChi2(forwardtrack,backtrack); - if ( (track->fChi2MIP[3]>6.*kMaxChi2PerCluster[3])) continue; - if ( (!track->fConstrain) && (track->fChi2MIP[3]>2*kMaxChi2PerCluster[3])) { - track->fChi2MIP[3]=1000; + track->SetChi2MIP(3,GetInterpolatedChi2(forwardtrack,backtrack)); + if ( (track->GetChi2MIP(3)>6.*AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3))) continue; + if ( (!track->GetConstrain()) && (track->GetChi2MIP(3)>2*AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3))) { + track->SetChi2MIP(3,1000); continue; } - Double_t chi2 = track->fChi2MIP[0]+track->fNUsed; + Double_t chi2 = track->GetChi2MIP(0)+track->GetNUsed(); // for (Int_t ichi=0;ichi<5;ichi++){ - forwardtrack->fChi2MIP[ichi] = track->fChi2MIP[ichi]; + forwardtrack->SetChi2MIP(ichi, track->GetChi2MIP(ichi)); } if (chi2 < minchi2){ - //besttrack = new AliITStrackV2(*forwardtrack); + //besttrack = new AliITStrackMI(*forwardtrack); besttrack = track; besttrack->SetLabel(track->GetLabel()); - besttrack->fFakeRatio = track->fFakeRatio; + besttrack->SetFakeRatio(track->GetFakeRatio()); minchi2 = chi2; - original->fD[0] = forwardtrack->GetD(GetX(),GetY()); - original->fD[1] = forwardtrack->GetZat(GetX())-GetZ(); + //original->fD[0] = forwardtrack->GetD(GetX(),GetY()); + //original->fD[1] = forwardtrack->GetZat(GetX())-GetZ(); + forwardtrack->GetDZ(GetX(),GetY(),GetZ(),original->GetDP()); //I.B. } } delete backtrack; delete forwardtrack; Int_t accepted=0; for (Int_t i=0;iAt(i); + AliITStrackMI * track = (AliITStrackMI*)array->At(i); + if (!track) continue; - if (accepted>checkmax || track->fChi2MIP[3]>kMaxChi2PerCluster[3]*6. || + + if (accepted>checkmax || track->GetChi2MIP(3)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)*6. || (track->GetNumberOfClusters()GetNumberOfClusters()-1.)|| - track->fChi2MIP[0]>besttrack->fChi2MIP[0]+2.*besttrack->fNUsed+3.){ - delete array->RemoveAt(i); - continue; + track->GetChi2MIP(0)>besttrack->GetChi2MIP(0)+2.*besttrack->GetNUsed()+3.){ + if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain + delete array->RemoveAt(i); + continue; + } } else{ accepted++; @@ -2550,33 +3339,33 @@ AliITStrackV2 * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackV2 // array->Compress(); SortTrackHypothesys(esdindex,checkmax,1); + array = (TObjArray*) fTrackHypothesys.At(esdindex); - besttrack = (AliITStrackV2*)array->At(0); + if (!array) return 0; // PH What can be the reason? Check SortTrackHypothesys + besttrack = (AliITStrackMI*)array->At(0); if (!besttrack) return 0; - besttrack->fChi2MIP[8]=0; + besttrack->SetChi2MIP(8,0); fBestTrackIndex[esdindex]=0; entries = array->GetEntriesFast(); - AliITStrackV2 *longtrack =0; + AliITStrackMI *longtrack =0; minchi2 =1000; - Float_t minn=besttrack->GetNumberOfClusters()+besttrack->fNDeadZone; - for (Int_t itrack=entries-1;itrack>0;itrack--){ - AliITStrackV2 * track = (AliITStrackV2*)array->At(itrack); - if (!track->fConstrain) continue; - if (track->GetNumberOfClusters()+track->fNDeadZonefChi2MIP[0]-besttrack->fChi2MIP[0]>0.0) continue; - if (track->fChi2MIP[0]>4.) continue; - minn = track->GetNumberOfClusters()+track->fNDeadZone; + Float_t minn=besttrack->GetNumberOfClusters()+besttrack->GetNDeadZone(); + for (Int_t itrack=entries-1;itrack>0;itrack--) { + AliITStrackMI * track = (AliITStrackMI*)array->At(itrack); + if (!track->GetConstrain()) continue; + if (track->GetNumberOfClusters()+track->GetNDeadZone()GetChi2MIP(0)-besttrack->GetChi2MIP(0)>0.0) continue; + if (track->GetChi2MIP(0)>4.) continue; + minn = track->GetNumberOfClusters()+track->GetNDeadZone(); longtrack =track; } //if (longtrack) besttrack=longtrack; Int_t list[6]; - AliITSclusterV2 * clist[6]; + AliITSRecPoint * clist[6]; Float_t shared = GetNumberOfSharedClusters(besttrack,esdindex,list,clist); - if (besttrack->fConstrain&&besttrack->fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]fChi2MIP[0]fChi2MIP[1]fChi2MIP[2]fChi2MIP[3]GetConstrain()&&besttrack->GetChi2MIP(0)GetMaxChi2PerCluster(0)&&besttrack->GetChi2MIP(1)GetMaxChi2PerCluster(1) + &&besttrack->GetChi2MIP(2)GetMaxChi2PerCluster(2)&&besttrack->GetChi2MIP(3)GetMaxChi2PerCluster(3)){ RegisterClusterTracks(besttrack,esdindex); } // @@ -2598,183 +3387,184 @@ AliITStrackV2 * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackV2 if (shared>2.5) return 0; if (shared>1.0) return besttrack; // - // don't sign clusters if not gold track - Double_t deltad = besttrack->GetD(GetX(),GetY()); - Double_t deltaz = besttrack->GetZat(GetX()) - GetZ(); - Double_t deltaprim = TMath::Sqrt(deltad*deltad+deltaz*deltaz); - if (deltaprim>0.1 && (fConstraint[fPass])) return besttrack; - if (TMath::Abs(deltad)>0.1) return besttrack; - if (TMath::Abs(deltaz)>0.1) return besttrack; - if (besttrack->fChi2MIP[0]>4.) return besttrack; - if (besttrack->fChi2MIP[1]>4.) return besttrack; - if (besttrack->fChi2MIP[2]>4.) return besttrack; - if (besttrack->fChi2MIP[3]>4.) return besttrack; + // Don't sign clusters if not gold track + // + if (!besttrack->IsGoldPrimary()) return besttrack; + if (besttrack->GetESDtrack()->GetKinkIndex(0)!=0) return besttrack; //track belong to kink + // if (fConstraint[fPass]){ // // sign clusters // Float_t *ny = GetNy(esdindex), *nz = GetNz(esdindex); for (Int_t i=0;i<6;i++){ - Int_t index = besttrack->fClIndex[i]; + Int_t index = besttrack->GetClIndex(i); if (index<=0) continue; Int_t ilayer = (index & 0xf0000000) >> 28; - if (besttrack->fSigmaY[ilayer]<0.00000000001) continue; - AliITSclusterV2 *c = (AliITSclusterV2*)GetCluster(index); + if (besttrack->GetSigmaY(ilayer)<0.00000000001) continue; + AliITSRecPoint *c = (AliITSRecPoint*)GetCluster(index); if (!c) continue; if (ilayer>3&&c->GetNy()+c->GetNz()>6) continue; if ( (c->GetNy()+c->GetNz() )> ny[i]+nz[i]+0.7) continue; //shared track if ( c->GetNz()> nz[i]+0.7) continue; //shared track - if ( ilayer>2&& besttrack->fNormQ[ilayer]/besttrack->fExpQ>1.5) continue; + if ( ilayer>2&& AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(ilayer)) + if (besttrack->GetNormQ(ilayer)/besttrack->GetExpQ()>1.5) continue; //if ( c->GetNy()> ny[i]+0.7) continue; //shared track Bool_t cansign = kTRUE; for (Int_t itrack=0;itrackAt(i); + AliITStrackMI * track = (AliITStrackMI*)array->At(i); if (!track) continue; - if (track->fChi2MIP[0]>besttrack->fChi2MIP[0]+2.*shared+1.) break; - if ( (track->fClIndex[ilayer]>0) && (track->fClIndex[ilayer]!=besttrack->fClIndex[ilayer])){ + if (track->GetChi2MIP(0)>besttrack->GetChi2MIP(0)+2.*shared+1.) break; + if ( (track->GetClIndex(ilayer)>0) && (track->GetClIndex(ilayer)!=besttrack->GetClIndex(ilayer))){ cansign = kFALSE; break; } } if (cansign){ - if (TMath::Abs(besttrack->fDy[ilayer]/besttrack->fSigmaY[ilayer])>3.) continue; - if (TMath::Abs(besttrack->fDz[ilayer]/besttrack->fSigmaZ[ilayer])>3.) continue; + if (TMath::Abs(besttrack->GetDy(ilayer)/besttrack->GetSigmaY(ilayer))>3.) continue; + if (TMath::Abs(besttrack->GetDz(ilayer)/besttrack->GetSigmaZ(ilayer))>3.) continue; if (!c->IsUsed()) c->Use(); } } } return besttrack; } - - - +//------------------------------------------------------------------------ void AliITStrackerMI::GetBestHypothesysMIP(TObjArray &itsTracks) { // // get "best" hypothesys - //for (Int_t ilayer=0;ilayer<6;ilayer++) fgLayers[ilayer].ResetWeights(); - + // Int_t nentries = itsTracks.GetEntriesFast(); for (Int_t i=0;iGetEntriesFast()<=0) continue; // - AliITStrackV2* longtrack=0; + AliITStrackMI* longtrack=0; Float_t minn=0; Float_t maxchi2=1000; for (Int_t j=0;jGetEntriesFast();j++){ - AliITStrackV2* track = (AliITStrackV2*)array->At(j); - if (!track) continue; - if (track->GetNumberOfClusters()+track->fNDeadZoneGetNumberOfClusters()+track->fNDeadZone>minn) maxchi2 = track->fChi2MIP[0]; - if (track->fChi2MIP[0]>maxchi2) continue; - minn= track->GetNumberOfClusters()+track->fNDeadZone; - maxchi2 = track->fChi2MIP[0]; - longtrack=track; - break; + AliITStrackMI* trackHyp = (AliITStrackMI*)array->At(j); + if (!trackHyp) continue; + if (trackHyp->GetGoldV0()) { + longtrack = trackHyp; //gold V0 track taken + break; + } + if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()GetChi2MIP(0); + if (fAfterV0){ + if (!trackHyp->GetGoldV0()&&trackHyp->GetConstrain()==kFALSE) chi2+=5; + } + if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()>minn) maxchi2 = trackHyp->GetChi2MIP(0); + // + if (chi2 > maxchi2) continue; + minn= trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone(); + maxchi2 = chi2; + longtrack=trackHyp; } - AliITStrackV2 * besttrack = (AliITStrackV2*)array->At(0); + // + // + // + AliITStrackMI * besttrack = (AliITStrackMI*)array->At(0); if (!longtrack) {longtrack = besttrack;} else besttrack= longtrack; - if (besttrack){ + // + if (besttrack) { Int_t list[6]; - AliITSclusterV2 * clist[6]; + AliITSRecPoint * clist[6]; Float_t shared = GetNumberOfSharedClusters(longtrack,i,list,clist); // - track->fNUsed = shared; - track->fNSkipped = besttrack->fNSkipped; - track->fChi2MIP[0] = besttrack->fChi2MIP[0]; - if (shared>0){ + track->SetNUsed(shared); + track->SetNSkipped(besttrack->GetNSkipped()); + track->SetChi2MIP(0,besttrack->GetChi2MIP(0)); + if (shared>0) { + if(!AliITSReconstructor::GetRecoParam()->GetAllowSharedClusters()) continue; Int_t nshared; Int_t overlist[6]; // Int_t sharedtrack = GetOverlapTrack(longtrack, i, nshared, list, overlist); //if (sharedtrack==-1) sharedtrack=0; - if (sharedtrack>=0){ + if (sharedtrack>=0) { besttrack = GetBest2Tracks(i,sharedtrack,10,5.5); } } + if (besttrack&&fAfterV0) { + UpdateESDtrack(besttrack,AliESDtrack::kITSin); + } if (besttrack&&fConstraint[fPass]) UpdateESDtrack(besttrack,AliESDtrack::kITSin); - //if (besttrack&&besttrack->fConstrain) - // UpdateESDtrack(besttrack,AliESDtrack::kITSin); - if (besttrack->fChi2MIP[0]+besttrack->fNUsed>1.5){ - if ( (TMath::Abs(besttrack->fD[0])>0.1) && fConstraint[fPass]) { - track->fReconstructed= kFALSE; - } - if ( (TMath::Abs(besttrack->fD[1])>0.1) && fConstraint[fPass]){ - track->fReconstructed= kFALSE; - } + if (besttrack->GetChi2MIP(0)+besttrack->GetNUsed()>1.5 && fConstraint[fPass]) { + if ( TMath::Abs(besttrack->GetD(0))>0.1 || + TMath::Abs(besttrack->GetD(1))>0.1 ) track->SetReconstructed(kFALSE); } } } } - - -void AliITStrackerMI::CookLabel(AliITStrackV2 *track,Float_t wrong) const { +//------------------------------------------------------------------------ +void AliITStrackerMI::CookLabel(AliITStrackMI *track,Float_t wrong) const { //-------------------------------------------------------------------- //This function "cooks" a track label. If label<0, this track is fake. //-------------------------------------------------------------------- Int_t tpcLabel=-1; - if ( track->fESDtrack) tpcLabel = TMath::Abs(track->fESDtrack->GetTPCLabel()); + if ( track->GetESDtrack()) tpcLabel = TMath::Abs(track->GetESDtrack()->GetTPCLabel()); - track->fChi2MIP[9]=0; + track->SetChi2MIP(9,0); Int_t nwrong=0; for (Int_t i=0;iGetNumberOfClusters();i++){ Int_t cindex = track->GetClusterIndex(i); Int_t l=(cindex & 0xf0000000) >> 28; - AliITSclusterV2 *cl = (AliITSclusterV2*)GetCluster(cindex); + AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(cindex); Int_t isWrong=1; for (Int_t ind=0;ind<3;ind++){ if (tpcLabel>0) if (cl->GetLabel(ind)==tpcLabel) isWrong=0; } - track->fChi2MIP[9]+=isWrong*(2<SetChi2MIP(9,track->GetChi2MIP(9)+isWrong*(2<fFakeRatio = double(nwrong)/double(track->GetNumberOfClusters()); + Int_t nclusters = track->GetNumberOfClusters(); + if (nclusters > 0) //PH Some tracks don't have any cluster + track->SetFakeRatio(double(nwrong)/double(nclusters)); if (tpcLabel>0){ - if (track->fFakeRatio>wrong) track->fLab = -tpcLabel; + if (track->GetFakeRatio()>wrong) track->SetLabel(-tpcLabel); else - track->fLab = tpcLabel; + track->SetLabel(tpcLabel); } } - - - -void AliITStrackerMI::CookdEdx(AliITStrackV2* track) +//------------------------------------------------------------------------ +void AliITStrackerMI::CookdEdx(AliITStrackMI* track) { // // // Int_t list[6]; - //AliITSclusterV2 * clist[6]; + //AliITSRecPoint * clist[6]; // Int_t shared = GetNumberOfSharedClusters(track,index,list,clist); Float_t dedx[4]; Int_t accepted=0; - track->fChi2MIP[9]=0; + track->SetChi2MIP(9,0); for (Int_t i=0;iGetNumberOfClusters();i++){ Int_t cindex = track->GetClusterIndex(i); Int_t l=(cindex & 0xf0000000) >> 28; - AliITSclusterV2 *cl = (AliITSclusterV2*)GetCluster(cindex); - Int_t lab = TMath::Abs(track->fESDtrack->GetTPCLabel()); + AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(cindex); + Int_t lab = TMath::Abs(track->GetESDtrack()->GetTPCLabel()); Int_t isWrong=1; for (Int_t ind=0;ind<3;ind++){ if (cl->GetLabel(ind)==lab) isWrong=0; } - track->fChi2MIP[9]+=isWrong*(2<SetChi2MIP(9,track->GetChi2MIP(9)+isWrong*(2<3 && (cl->GetNy()>4) || (cl->GetNz()>4)) continue; //shared track //if (l>3&& !(cl->GetType()==1||cl->GetType()==10)) continue; //if (l<4&& !(cl->GetType()==1)) continue; - dedx[accepted]= track->fdEdxSample[i]; + dedx[accepted]= track->GetSampledEdx(i); //dedx[accepted]= track->fNormQ[l]; accepted++; } @@ -2798,17 +3588,16 @@ void AliITStrackerMI::CookdEdx(AliITStrackV2* track) } track->SetdEdx(sumamp/sumweight); } - - -void AliITStrackerMI::MakeCoeficients(Int_t ntracks){ +//------------------------------------------------------------------------ +void AliITStrackerMI::MakeCoefficients(Int_t ntracks){ // // - fCoeficients = new Float_t[ntracks*48]; - for (Int_t i=0;iGetTgl(); Float_t phi = track->GetSnp(); phi = TMath::Sqrt(phi*phi/(1.-phi*phi)); - GetError(layer,cluster,theta,phi,track->fExpQ,erry,errz); + AliITSClusterParam::GetError(layer,cluster,theta,phi,track->GetExpQ(),erry,errz); + //printf(" chi2: tr-cl %f %f tr X %f cl X %f\n",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()); + + // Take into account the mis-alignment (bring track to cluster plane) + Double_t xTrOrig=track->GetX(); + if (!track->PropagateTo(xTrOrig+cluster->GetX(),0.,0.)) return 1000.; + //printf(" chi2: tr-cl %f %f tr X %f cl X %f\n",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()); Double_t chi2 = track->GetPredictedChi2MI(cluster->GetY(),cluster->GetZ(),erry,errz); + // Bring the track back to detector plane in ideal geometry + // [mis-alignment will be accounted for in UpdateMI()] + if (!track->PropagateTo(xTrOrig,0.,0.)) return 1000.; Float_t ny,nz; - GetNTeor(layer,cluster, theta,phi,ny,nz); + AliITSClusterParam::GetNTeor(layer,cluster,theta,phi,ny,nz); Double_t delta = cluster->GetNy()+cluster->GetNz()-nz-ny; if (delta>1){ chi2+=0.5*TMath::Min(delta/2,2.); chi2+=2.*cluster->GetDeltaProbability(); } // - track->fNy[layer] =ny; - track->fNz[layer] =nz; - track->fSigmaY[layer] = erry; - track->fSigmaZ[layer] = errz; + track->SetNy(layer,ny); + track->SetNz(layer,nz); + track->SetSigmaY(layer,erry); + track->SetSigmaZ(layer, errz); //track->fNormQ[layer] = cluster->GetQ()/TMath::Sqrt(1+theta*theta+phi*phi); - track->fNormQ[layer] = cluster->GetQ()/TMath::Sqrt((1.+ track->fP3*track->fP3)/(1.- track->fP2*track->fP2)); + track->SetNormQ(layer,cluster->GetQ()/TMath::Sqrt((1.+ track->GetTgl()*track->GetTgl())/(1.- track->GetSnp()*track->GetSnp()))); return chi2; } - -Int_t AliITStrackerMI::UpdateMI(AliITStrackV2* track, const AliITSclusterV2* cl,Double_t chi2,Int_t index) +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t index) const { // // // Int_t layer = (index & 0xf0000000) >> 28; - track->fClIndex[layer] = index; - if ( (layer>1) &&track->fNormQ[layer]/track->fExpQ<0.5 ) { - chi2+= (0.5-track->fNormQ[layer]/track->fExpQ)*10.; - track->fdEdxMismatch+=(0.5-track->fNormQ[layer]/track->fExpQ)*10.; - } - return track->UpdateMI(cl->GetY(),cl->GetZ(),track->fSigmaY[layer],track->fSigmaZ[layer],chi2,index); -} - -void AliITStrackerMI::GetNTeor(Int_t layer, const AliITSclusterV2* /*cl*/, Float_t theta, Float_t phi, Float_t &ny, Float_t &nz) -{ - // - //get "mean shape" - // - if (layer==0){ - ny = 1.+TMath::Abs(phi)*3.2; - nz = 1.+TMath::Abs(theta)*0.34; - return; - } - if (layer==1){ - ny = 1.+TMath::Abs(phi)*3.2; - nz = 1.+TMath::Abs(theta)*0.28; - return; - } - - if (layer>3){ - ny = 2.02+TMath::Abs(phi)*1.95; - nz = 2.02+TMath::Abs(phi)*2.35; - return; + track->SetClIndex(layer, index); + if (layer>1&&AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(layer)) { + if (track->GetNormQ(layer)/track->GetExpQ()<0.5 ) { + chi2+= (0.5-track->GetNormQ(layer)/track->GetExpQ())*10.; + track->SetdEdxMismatch(track->GetdEdxMismatch()+(0.5-track->GetNormQ(layer)/track->GetExpQ())*10.); + } } - ny = 6.6-2.7*abs(phi); - nz = 2.8-3.11*TMath::Abs(phi)+0.45*TMath::Abs(theta); -} + if (cl->GetQ()<=0) return 0; // ingore the "virtual" clusters -Int_t AliITStrackerMI::GetError(Int_t layer, const AliITSclusterV2*cl, Float_t theta, Float_t phi,Float_t expQ, Float_t &erry, Float_t &errz) -{ - //calculate cluster position error - // - Float_t nz,ny; - GetNTeor(layer, cl,theta,phi,ny,nz); - erry = TMath::Sqrt(cl->GetSigmaY2()); - errz = TMath::Sqrt(cl->GetSigmaZ2()); - // - // PIXELS - if (layer<2){ - - if (TMath::Abs(ny-cl->GetNy())>0.6) { - if (nyGetNy()){ - erry*=0.4+TMath::Abs(ny-cl->GetNy()); - errz*=0.4+TMath::Abs(ny-cl->GetNy()); - }else{ - erry*=0.7+0.5*TMath::Abs(ny-cl->GetNy()); - errz*=0.7+0.5*TMath::Abs(ny-cl->GetNy()); - } - } - if (TMath::Abs(nz-cl->GetNz())>1.) { - erry*=TMath::Abs(nz-cl->GetNz()); - errz*=TMath::Abs(nz-cl->GetNz()); - } - erry*=0.85; - errz*=0.85; - erry= TMath::Min(erry,float(0.005)); - errz= TMath::Min(errz,float(0.03)); - return 10; - } + // Take into account the mis-alignment (bring track to cluster plane) + Double_t xTrOrig=track->GetX(); + //Float_t clxyz[3]; cl->GetGlobalXYZ(clxyz);Double_t trxyz[3]; track->GetXYZ(trxyz);printf("gtr %f %f %f\n",trxyz[0],trxyz[1],trxyz[2]);printf("gcl %f %f %f\n",clxyz[0],clxyz[1],clxyz[2]); + //printf(" xtr %f xcl %f\n",track->GetX(),cl->GetX()); -//STRIPS - if (layer>3){ - if (cl->GetNy()==100||cl->GetNz()==100){ - erry = 0.004; - errz = 0.2; - return 100; - } - if (cl->GetNy()+cl->GetNz()>12){ - erry = 0.06; - errz = 0.57; - return 100; - } - Float_t normq = cl->GetQ()/(TMath::Sqrt(1+theta*theta+phi*phi)); - Float_t chargematch = TMath::Max(double(normq/expQ),2.); - // - if (cl->GetType()==1 || cl->GetType()==10 ){ - if (chargematch<1.0 || (cl->GetNy()+cl->GetNz()GetNy()+cl->GetNz()GetNy()+cl->GetNz()-nz+ny),0.15); - return 103; - } - if (cl->GetType()==2 || cl->GetType()==11 ){ - erry = TMath::Min(0.0010*(1+chargematch+cl->GetNy()+cl->GetNz()-nz+ny),0.05); - errz = TMath::Min(0.025*(1+chargematch+cl->GetNy()+cl->GetNz()-nz+ny),0.5); - return 104; - } - - if (cl->GetType()>100 ){ - if ((chargematch+cl->GetNy()+cl->GetNz()-nz-ny<1.5)){ - errz = 0.05; - erry = 0.00096; - return 105; - } - if (cl->GetNy()+cl->GetNz()-nz-ny<1){ - errz = 0.10; - erry = 0.0025; - return 106; - } + if (!track->PropagateTo(xTrOrig+cl->GetX(),0.,0.)) return 0; - errz = TMath::Min(0.05*(chargematch+cl->GetNy()+cl->GetNz()-nz-ny),0.4); - erry = TMath::Min(0.003*(chargematch+cl->GetNy()+cl->GetNz()-nz-ny),0.05); - return 107; - } - Float_t diff = cl->GetNy()+cl->GetNz()-ny-nz; - if (diff<1) diff=1; - if (diff>4) diff=4; - - if (cl->GetType()==5||cl->GetType()==6||cl->GetType()==7||cl->GetType()==8){ - errz = 0.14*diff; - erry = 0.003*diff; - return 108; - } - erry = 0.04*diff; - errz = 0.06*diff; - return 109; - } - //DRIFTS - Float_t normq = cl->GetQ()/(TMath::Sqrt(1+theta*theta+phi*phi)); - Float_t chargematch = normq/expQ; - Float_t factorz=1; - Int_t cnz = cl->GetNz()%10; - //charge match - if (cl->GetType()==1){ - if (chargematch<1.25){ - erry = 0.0028*(1.+6./cl->GetQ()); // gold clusters - } - else{ - erry = 0.003*chargematch; - if (cl->GetNz()==3) erry*=1.5; - } - if (chargematch<1.0){ - errz = 0.0011*(1.+6./cl->GetQ()); - } - else{ - errz = 0.002*(1+2*(chargematch-1.)); - } - if (cnz>nz+0.6) { - erry*=(cnz-nz+0.5); - errz*=1.4*(cnz-nz+0.5); - } - } - if (cl->GetType()>1){ - if (chargematch<1){ - erry = 0.00385*(1.+6./cl->GetQ()); // gold clusters - errz = 0.0016*(1.+6./cl->GetQ()); - } - else{ - errz = 0.0014*(1+3*(chargematch-1.)); - erry = 0.003*(1+3*(chargematch-1.)); - } - if (cnz>nz+0.6) { - erry*=(cnz-nz+0.5); - errz*=1.4*(cnz-nz+0.5); - } - } + + AliCluster c(*cl); + c.SetSigmaY2(track->GetSigmaY(layer)*track->GetSigmaY(layer)); + c.SetSigmaZ2(track->GetSigmaZ(layer)*track->GetSigmaZ(layer)); - if (TMath::Abs(cl->GetY())>2.5){ - factorz*=1+2*(TMath::Abs(cl->GetY())-2.5); - } - if (TMath::Abs(cl->GetY())<1){ - factorz*=1.+0.5*TMath::Abs(TMath::Abs(cl->GetY())-1.); - } - factorz= TMath::Min(factorz,float(4.)); - errz*=factorz; - erry= TMath::Min(erry,float(0.05)); - errz= TMath::Min(errz,float(0.05)); - return 200; -} + Int_t updated = track->UpdateMI(&c,chi2,index); + // Bring the track back to detector plane in ideal geometry + if (!track->PropagateTo(xTrOrig,0.,0.)) return 0; + //if(!updated) printf("update failed\n"); + return updated; +} +//------------------------------------------------------------------------ +void AliITStrackerMI::GetDCASigma(AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz) +{ + // + //DCA sigmas parameterization + //to be paramterized using external parameters in future + // + // + sigmarfi = 0.0040+1.4 *TMath::Abs(track->GetC())+332.*track->GetC()*track->GetC(); + sigmaz = 0.0110+4.37*TMath::Abs(track->GetC()); +} +//------------------------------------------------------------------------ void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz) { // // Int_t entries = ClusterArray->GetEntriesFast(); if (entries<4) return; - AliITSclusterV2* cluster = (AliITSclusterV2*)ClusterArray->At(0); + AliITSRecPoint* cluster = (AliITSRecPoint*)ClusterArray->At(0); Int_t layer = cluster->GetLayer(); if (layer>1) return; Int_t index[10000]; @@ -3045,7 +3700,7 @@ void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz) Float_t r = (layer>0)? 7:4; // for (Int_t i=0;iAt(i); + AliITSRecPoint* cl0 = (AliITSRecPoint*)ClusterArray->At(i); Float_t nz = 1+TMath::Abs((cl0->GetZ()-vz)/r); if (cl0->GetNy()+cl0->GetNz()<=5+2*layer+nz) continue; index[ncandidates] = i; //candidate to belong to delta electron track @@ -3058,7 +3713,7 @@ void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz) // // for (Int_t i=0;iAt(index[i]); + AliITSRecPoint* cl0 = (AliITSRecPoint*)ClusterArray->At(index[i]); if (cl0->GetDeltaProbability()>0.8) continue; // Int_t ncl = 0; @@ -3066,7 +3721,7 @@ void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz) sumy=sumz=sumy2=sumyz=sumw=0.0; for (Int_t j=0;jAt(index[j]); + AliITSRecPoint* cl1 = (AliITSRecPoint*)ClusterArray->At(index[j]); // Float_t dz = cl0->GetZ()-cl1->GetZ(); Float_t dy = cl0->GetY()-cl1->GetY(); @@ -3099,227 +3754,1682 @@ void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz) } } } - - -void AliITStrackerMI::UpdateESDtrack(AliITStrackV2* track, ULong_t flags) +//------------------------------------------------------------------------ +void AliITStrackerMI::UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const { // // track->UpdateESDtrack(flags); - AliITStrackV2 * oldtrack = (AliITStrackV2*)(track->fESDtrack->GetITStrack()); + AliITStrackMI * oldtrack = (AliITStrackMI*)(track->GetESDtrack()->GetITStrack()); if (oldtrack) delete oldtrack; - track->fESDtrack->SetITStrack(new AliITStrackV2(*track)); + track->GetESDtrack()->SetITStrack(new AliITStrackMI(*track)); + if (TMath::Abs(track->GetDnorm(1))<0.000000001){ + printf("Problem\n"); + } +} +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::GetNearestLayer(const Double_t *xr) const{ + // + // Get nearest upper layer close to the point xr. + // rough approximation + // + const Float_t kRadiuses[6]={4,6.5,15.03,24.,38.5,43.7}; + Float_t radius = TMath::Sqrt(xr[0]*xr[0]+xr[1]*xr[1]); + Int_t res =6; + for (Int_t i=0;i<6;i++){ + if (radiusGetNumberOfV0s(); + Int_t nitstracks = fTrackHypothesys.GetEntriesFast(); + for (Int_t i=0;iGetV0(i); + Int_t ip = vertex->GetIndex(0); + Int_t im = vertex->GetIndex(1); + // + TObjArray * arrayp = (ipAt(0):0; + AliITStrackMI * trackm = (arraym!=0) ? (AliITStrackMI*)arraym->At(0):0; + // + // + if (trackp){ + if (trackp->GetNumberOfClusters()+trackp->GetNDeadZone()>5.5){ + if (trackp->GetConstrain()&&trackp->GetChi2MIP(0)<3) vertex->SetStatus(-100); + if (!trackp->GetConstrain()&&trackp->GetChi2MIP(0)<2) vertex->SetStatus(-100); + } + } + if (trackm){ + if (trackm->GetNumberOfClusters()+trackm->GetNDeadZone()>5.5){ + if (trackm->GetConstrain()&&trackm->GetChi2MIP(0)<3) vertex->SetStatus(-100); + if (!trackm->GetConstrain()&&trackm->GetChi2MIP(0)<2) vertex->SetStatus(-100); + } + } + if (vertex->GetStatus()==-100) continue; + // + Double_t xrp[3]; vertex->GetXYZ(xrp[0],xrp[1],xrp[2]); //I.B. + Int_t clayer = GetNearestLayer(xrp); //I.B. + vertex->SetNBefore(clayer); // + vertex->SetChi2Before(9*clayer); // + vertex->SetNAfter(6-clayer); // + vertex->SetChi2After(0); // + // + if (clayer >1 ){ // calculate chi2 before vertex + Float_t chi2p = 0, chi2m=0; + // + if (trackp){ + for (Int_t ilayer=0;ilayerGetClIndex(ilayer)>0){ + chi2p+=trackp->GetDy(ilayer)*trackp->GetDy(ilayer)/(trackp->GetSigmaY(ilayer)*trackp->GetSigmaY(ilayer))+ + trackp->GetDz(ilayer)*trackp->GetDz(ilayer)/(trackp->GetSigmaZ(ilayer)*trackp->GetSigmaZ(ilayer)); + } + else{ + chi2p+=9; + } + } + }else{ + chi2p = 9*clayer; + } + // + if (trackm){ + for (Int_t ilayer=0;ilayerGetClIndex(ilayer)>0){ + chi2m+=trackm->GetDy(ilayer)*trackm->GetDy(ilayer)/(trackm->GetSigmaY(ilayer)*trackm->GetSigmaY(ilayer))+ + trackm->GetDz(ilayer)*trackm->GetDz(ilayer)/(trackm->GetSigmaZ(ilayer)*trackm->GetSigmaZ(ilayer)); + } + else{ + chi2m+=9; + } + } + }else{ + chi2m = 9*clayer; + } + vertex->SetChi2Before(TMath::Min(chi2p,chi2m)); + if (TMath::Min(chi2p,chi2m)/Float_t(clayer)<4) vertex->SetStatus(-10); // track exist before vertex + } + + if (clayer < 5 ){ // calculate chi2 after vertex + Float_t chi2p = 0, chi2m=0; + // + if (trackp&&TMath::Abs(trackp->GetTgl())<1.){ + for (Int_t ilayer=clayer;ilayer<6;ilayer++){ + if (trackp->GetClIndex(ilayer)>0){ + chi2p+=trackp->GetDy(ilayer)*trackp->GetDy(ilayer)/(trackp->GetSigmaY(ilayer)*trackp->GetSigmaY(ilayer))+ + trackp->GetDz(ilayer)*trackp->GetDz(ilayer)/(trackp->GetSigmaZ(ilayer)*trackp->GetSigmaZ(ilayer)); + } + else{ + chi2p+=9; + } + } + }else{ + chi2p = 0; + } + // + if (trackm&&TMath::Abs(trackm->GetTgl())<1.){ + for (Int_t ilayer=clayer;ilayer<6;ilayer++){ + if (trackm->GetClIndex(ilayer)>0){ + chi2m+=trackm->GetDy(ilayer)*trackm->GetDy(ilayer)/(trackm->GetSigmaY(ilayer)*trackm->GetSigmaY(ilayer))+ + trackm->GetDz(ilayer)*trackm->GetDz(ilayer)/(trackm->GetSigmaZ(ilayer)*trackm->GetSigmaZ(ilayer)); + } + else{ + chi2m+=9; + } + } + }else{ + chi2m = 0; + } + vertex->SetChi2After(TMath::Max(chi2p,chi2m)); + if (TMath::Max(chi2m,chi2p)/Float_t(6-clayer)>9) vertex->SetStatus(-20); // track not found in ITS + } + } + // +} +//------------------------------------------------------------------------ +void AliITStrackerMI::FindV02(AliESDEvent *event) +{ + // + // V0 finder + // + // Cuts on DCA - R dependent + // max distance DCA between 2 tracks cut + // maxDist = TMath::Min(kMaxDist,kMaxDist0+pvertex->GetRr()*kMaxDist); + // + const Float_t kMaxDist0 = 0.1; + const Float_t kMaxDist1 = 0.1; + const Float_t kMaxDist = 1; + const Float_t kMinPointAngle = 0.85; + const Float_t kMinPointAngle2 = 0.99; + const Float_t kMinR = 0.5; + const Float_t kMaxR = 220; + //const Float_t kCausality0Cut = 0.19; + //const Float_t kLikelihood01Cut = 0.25; + //const Float_t kPointAngleCut = 0.9996; + const Float_t kCausality0Cut = 0.19; + const Float_t kLikelihood01Cut = 0.45; + const Float_t kLikelihood1Cut = 0.5; + const Float_t kCombinedCut = 0.55; + // + // + TTreeSRedirector &cstream = *fDebugStreamer; + Int_t ntracks = event->GetNumberOfTracks(); + Int_t nitstracks = fTrackHypothesys.GetEntriesFast(); + fOriginal.Expand(ntracks); + fTrackHypothesys.Expand(ntracks); + fBestHypothesys.Expand(ntracks); + // + AliHelix * helixes = new AliHelix[ntracks+2]; + TObjArray trackarray(ntracks+2); //array with tracks - with vertex constrain + TObjArray trackarrayc(ntracks+2); //array of "best tracks" - without vertex constrain + TObjArray trackarrayl(ntracks+2); //array of "longest tracks" - without vertex constrain + Bool_t * forbidden = new Bool_t [ntracks+2]; + Int_t *itsmap = new Int_t [ntracks+2]; + Float_t *dist = new Float_t[ntracks+2]; + Float_t *normdist0 = new Float_t[ntracks+2]; + Float_t *normdist1 = new Float_t[ntracks+2]; + Float_t *normdist = new Float_t[ntracks+2]; + Float_t *norm = new Float_t[ntracks+2]; + Float_t *maxr = new Float_t[ntracks+2]; + Float_t *minr = new Float_t[ntracks+2]; + Float_t *minPointAngle= new Float_t[ntracks+2]; + // + AliV0 *pvertex = new AliV0; + AliITStrackMI * dummy= new AliITStrackMI; + dummy->SetLabel(0); + AliITStrackMI trackat0; //temporary track for DCA calculation + // + Float_t primvertex[3]={GetX(),GetY(),GetZ()}; + // + // make ITS - ESD map + // + for (Int_t itrack=0;itrackGetESDtrack()->GetID(); + itsmap[esdindex] = itrack; + } + // + // create ITS tracks from ESD tracks if not done before + // + for (Int_t itrack=0;itrack=0) continue; + AliITStrackMI * tpctrack = new AliITStrackMI(*(event->GetTrack(itrack))); + //tpctrack->fD[0] = tpctrack->GetD(GetX(),GetY()); + //tpctrack->fD[1] = tpctrack->GetZat(GetX())-GetZ(); + tpctrack->GetDZ(GetX(),GetY(),GetZ(),tpctrack->GetDP()); //I.B. + if (tpctrack->GetD(0)<20 && tpctrack->GetD(1)<20){ + // tracks which can reach inner part of ITS + // propagate track to outer its volume - with correction for material + CorrectForTPCtoITSDeadZoneMaterial(tpctrack); + } + itsmap[itrack] = nitstracks; + fOriginal.AddAt(tpctrack,nitstracks); + nitstracks++; + } + // + // fill temporary arrays + // + for (Int_t itrack=0;itrackGetTrack(itrack); + Int_t itsindex = itsmap[itrack]; + AliITStrackMI *original = (AliITStrackMI*)fOriginal.At(itsmap[itrack]); + if (!original) continue; + AliITStrackMI *bestConst = 0; + AliITStrackMI *bestLong = 0; + AliITStrackMI *best = 0; + // + // + TObjArray * array = (TObjArray*) fTrackHypothesys.At(itsindex); + Int_t hentries = (array==0) ? 0 : array->GetEntriesFast(); + // Get best track with vertex constrain + for (Int_t ih=0;ihAt(ih); + if (!trackh->GetConstrain()) continue; + if (!bestConst) bestConst = trackh; + if (trackh->GetNumberOfClusters()>5.0){ + bestConst = trackh; // full track - with minimal chi2 + break; + } + if (trackh->GetNumberOfClusters()+trackh->GetNDeadZone()<=bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()) continue; + bestConst = trackh; + break; + } + // Get best long track without vertex constrain and best track without vertex constrain + for (Int_t ih=0;ihAt(ih); + if (trackh->GetConstrain()) continue; + if (!best) best = trackh; + if (!bestLong) bestLong = trackh; + if (trackh->GetNumberOfClusters()>5.0){ + bestLong = trackh; // full track - with minimal chi2 + break; + } + if (trackh->GetNumberOfClusters()+trackh->GetNDeadZone()<=bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()) continue; + bestLong = trackh; + } + if (!best) { + best = original; + bestLong = original; + } + //I.B. trackat0 = *bestLong; + new (&trackat0) AliITStrackMI(*bestLong); + Double_t xx,yy,zz,alpha; + bestLong->GetGlobalXYZat(bestLong->GetX(),xx,yy,zz); + alpha = TMath::ATan2(yy,xx); + trackat0.Propagate(alpha,0); + // calculate normalized distances to the vertex + // + Float_t ptfac = (1.+100.*TMath::Abs(trackat0.GetC())); + if ( bestLong->GetNumberOfClusters()>3 ){ + dist[itsindex] = trackat0.GetY(); + norm[itsindex] = ptfac*TMath::Sqrt(trackat0.GetSigmaY2()); + normdist0[itsindex] = TMath::Abs(trackat0.GetY()/norm[itsindex]); + normdist1[itsindex] = TMath::Abs((trackat0.GetZ()-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.GetSigmaZ2()))); + normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]); + if (!bestConst){ + if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<6) normdist[itsindex]*=2.; + if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<5) normdist[itsindex]*=2.; + if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<4) normdist[itsindex]*=2.; + }else{ + if (bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()<6) normdist[itsindex]*=1.5; + if (bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()<5) normdist[itsindex]*=1.5; + } + } + else{ + if (bestConst&&bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>4.5){ + dist[itsindex] = bestConst->GetD(0); + norm[itsindex] = bestConst->GetDnorm(0); + normdist0[itsindex] = TMath::Abs(bestConst->GetD(0)/norm[itsindex]); + normdist1[itsindex] = TMath::Abs(bestConst->GetD(0)/norm[itsindex]); + normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]); + }else{ + dist[itsindex] = trackat0.GetY(); + norm[itsindex] = ptfac*TMath::Sqrt(trackat0.GetSigmaY2()); + normdist0[itsindex] = TMath::Abs(trackat0.GetY()/norm[itsindex]); + normdist1[itsindex] = TMath::Abs((trackat0.GetZ()-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.GetSigmaZ2()))); + normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]); + if (TMath::Abs(trackat0.GetTgl())>1.05){ + if (normdist[itsindex]<3) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]>3) { + minr[itsindex] = TMath::Max(Float_t(40.),minr[itsindex]); + } + } + } + } + // + //----------------------------------------------------------- + //Forbid primary track candidates - + // + //treetr->SetAlias("forbidden0","Tr0.fN<4&&Tr1.fN+Tr1.fNDeadZone>4.5"); + //treetr->SetAlias("forbidden1","ND<3&&Tr1.fN+Tr1.fNDeadZone>5.5"); + //treetr->SetAlias("forbidden2","ND<2&&Tr1.fClIndex[0]>0&&Tr1.fClIndex[0]>0"); + //treetr->SetAlias("forbidden3","ND<1&&Tr1.fClIndex[0]>0"); + //treetr->SetAlias("forbidden4","ND<4&&Tr1.fNormChi2[0]<2"); + //treetr->SetAlias("forbidden5","ND<5&&Tr1.fNormChi2[0]<1"); + //----------------------------------------------------------- + if (bestConst){ + if (bestLong->GetNumberOfClusters()<4 && bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>4.5) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]<3 && bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>5.5) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]<2 && bestConst->GetClIndex(0)>0 && bestConst->GetClIndex(1)>0 ) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]<1 && bestConst->GetClIndex(0)>0) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]<4 && bestConst->GetNormChi2(0)<2) forbidden[itsindex]=kTRUE; + if (normdist[itsindex]<5 && bestConst->GetNormChi2(0)<1) forbidden[itsindex]=kTRUE; + if (bestConst->GetNormChi2(0)<2.5) { + minPointAngle[itsindex]= 0.9999; + maxr[itsindex] = 10; + } + } + // + //forbid daughter kink candidates + // + if (esdtrack->GetKinkIndex(0)>0) forbidden[itsindex] = kTRUE; + Bool_t isElectron = kTRUE; + Bool_t isProton = kTRUE; + Double_t pid[5]; + esdtrack->GetESDpid(pid); + for (Int_t i=1;i<5;i++){ + if (pid[0]2) forbidden[itsindex]=kFALSE; + normdist[itsindex]*=-1; + } -void AliITStrackerMI::FindV0(AliESD */*event*/) -{ + // + // Causality cuts in TPC volume + // + if (esdtrack->GetTPCdensity(0,10) >0.6) maxr[itsindex] = TMath::Min(Float_t(110),maxr[itsindex]); + if (esdtrack->GetTPCdensity(10,30)>0.6) maxr[itsindex] = TMath::Min(Float_t(120),maxr[itsindex]); + if (esdtrack->GetTPCdensity(20,40)>0.6) maxr[itsindex] = TMath::Min(Float_t(130),maxr[itsindex]); + if (esdtrack->GetTPCdensity(30,50)>0.6) maxr[itsindex] = TMath::Min(Float_t(140),maxr[itsindex]); + // + if (esdtrack->GetTPCdensity(0,60)<0.4&&bestLong->GetNumberOfClusters()<3) minr[itsindex]=100; + // + // + if (kFALSE){ + cstream<<"Track"<< + "Tr0.="<At(fBestTrackIndex[i]); - if (track){ - dist[i] = TMath::Sqrt(track->fD[0]*track->fD[0]+track->fD[1]*track->fD[1]); - trackarray.AddAt(track,i); - new (&helixes[i]) AliHelix(*track); - } - } - for (Int_t itrack0=0;itrack0fP4*track0->fP4>0) continue; //the same sign - AliHelix *h1 = &helixes[itrack0]; - AliHelix *h2 = &helixes[itrack1]; + // first iterration of V0 finder + // + for (Int_t iesd0=0;iesd0GetSign()>0) continue; + AliITStrackMI *trackc0 = (AliITStrackMI*)trackarrayc.At(itrack0); + // + for (Int_t iesd1=0;iesd1GetSign()<0) continue; + Bool_t isGold = kFALSE; + if (TMath::Abs(TMath::Abs(btrack0->GetLabel())-TMath::Abs(btrack1->GetLabel()))==1){ + isGold = kTRUE; + } + AliITStrackMI *trackc1 = (AliITStrackMI*)trackarrayc.At(itrack1); + AliHelix &h1 = helixes[itrack0]; + AliHelix &h2 = helixes[itrack1]; + // + // find linear distance + Double_t rmin =0; + // + // + // + Double_t phase[2][2],radius[2]; + Int_t points = h1.GetRPHIintersections(h2, phase, radius); + if (points==0) continue; + Double_t delta[2]={1000000,1000000}; + rmin = radius[0]; + h1.ParabolicDCA(h2,phase[0][0],phase[0][1],radius[0],delta[0]); + if (points==2){ + if (radius[1]TMath::Min(maxr[itrack0],maxr[itrack1])) continue; + Float_t maxDist = TMath::Min(kMaxDist,Float_t(kMaxDist0+radiusC*kMaxDist1)); + if (distance>maxDist) continue; + Float_t pointAngle = h1.GetPointAngle(h2,phase[iphase],primvertex); + if (pointAnglemaxDist) continue; + // if (pvertex->GetRr()GetRr()>kMaxR) continue; + AliITStrackMI * track0=btrack0; + AliITStrackMI * track1=btrack1; + // if (pvertex->GetRr()<3.5){ + if (radiusC<3.5){ + //use longest tracks inside the pipe + track0 = (AliITStrackMI*)trackarrayl.At(itrack0); + track1 = (AliITStrackMI*)trackarrayl.At(itrack1); + } + // + // + pvertex->SetParamN(*track0); + pvertex->SetParamP(*track1); + pvertex->Update(primvertex); + pvertex->SetClusters(track0->ClIndex(),track1->ClIndex()); // register clusters + + if (pvertex->GetRr()GetRr()>kMaxR) continue; + if (pvertex->GetV0CosineOfPointingAngle()GetDist2()>maxDist) continue; + if (pvertex->GetDcaV0Daughters()>maxDist) continue; +//Bo: pvertex->SetLab(0,track0->GetLabel()); +//Bo: pvertex->SetLab(1,track1->GetLabel()); + pvertex->SetIndex(0,track0->GetESDtrack()->GetID()); + pvertex->SetIndex(1,track1->GetESDtrack()->GetID()); + // + AliITStrackMI * htrackc0 = trackc0 ? trackc0:dummy; + AliITStrackMI * htrackc1 = trackc1 ? trackc1:dummy; + + // + // + TObjArray * array0b = (TObjArray*)fBestHypothesys.At(itrack0); + if (!array0b&&pvertex->GetRr()<40 && TMath::Abs(track0->GetTgl())<1.1) { + fCurrentEsdTrack = itrack0; + FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack0),itrack0, kFALSE); + } + TObjArray * array1b = (TObjArray*)fBestHypothesys.At(itrack1); + if (!array1b&&pvertex->GetRr()<40 && TMath::Abs(track1->GetTgl())<1.1) { + fCurrentEsdTrack = itrack1; + FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack1),itrack1, kFALSE); + } + // + AliITStrackMI * track0b = (AliITStrackMI*)fOriginal.At(itrack0); + AliITStrackMI * track1b = (AliITStrackMI*)fOriginal.At(itrack1); + AliITStrackMI * track0l = (AliITStrackMI*)fOriginal.At(itrack0); + AliITStrackMI * track1l = (AliITStrackMI*)fOriginal.At(itrack1); - Double_t distance = TestV0(h1,h2,&vertex); - if (distance>0.4) continue; - if (vertex.fRr<0.3) continue; - if (vertex.fRr>27) continue; - Float_t v[3]={GetX(),GetY(),GetZ()}; - vertex.Update(v,track0->fMass, track1->fMass); + Float_t minchi2before0=16; + Float_t minchi2before1=16; + Float_t minchi2after0 =16; + Float_t minchi2after1 =16; + Double_t xrp[3]; pvertex->GetXYZ(xrp[0],xrp[1],xrp[2]); //I.B. + Int_t maxLayer = GetNearestLayer(xrp); //I.B. - if ((TMath::Abs(vertex.fInvMass-0.4976)<0.05 || TMath::Abs(vertex.fInvMass-0.0)<0.1|| TMath::Abs(vertex.fInvMass-1.1)<0.1)) { - if (vertex.fPointAngle<0.85) continue; + if (array0b) for (Int_t i=0;i<5;i++){ + // best track after vertex + AliITStrackMI * btrack = (AliITStrackMI*)array0b->At(i); + if (!btrack) continue; + if (btrack->GetNumberOfClusters()>track0l->GetNumberOfClusters()) track0l = btrack; + // if (btrack->fXGetRr()-2.-0.5/(0.1+pvertex->GetAnglep()[2])) { + if (btrack->GetX()GetRr()-2.) { + if ( (maxLayer>i+2|| (i==0)) && btrack->GetNumberOfClusters()==(6-i)&&i<3){ + Float_t sumchi2= 0; + Float_t sumn = 0; + if (maxLayer<3){ // take prim vertex as additional measurement + if (normdist[itrack0]>0 && htrackc0){ + sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack0]*normdist[itrack0],16.); + }else{ + sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack0]*normdist[itrack0]+3.),16.); + } + sumn += 3-maxLayer; + } + for (Int_t ilayer=i;ilayerGetClIndex(ilayer)){ + sumchi2+=25; + continue; + }else{ + Int_t c=( btrack->GetClIndex(ilayer) & 0x0fffffff); + for (Int_t itrack=0;itrack<4;itrack++){ + if (fgLayers[ilayer].GetClusterTracks(itrack,c)>=0 && fgLayers[ilayer].GetClusterTracks(itrack,c)!=itrack0){ + sumchi2+=18.; //shared cluster + break; + } + } + sumchi2+=btrack->GetDy(ilayer)*btrack->GetDy(ilayer)/(btrack->GetSigmaY(ilayer)*btrack->GetSigmaY(ilayer)); + sumchi2+=btrack->GetDz(ilayer)*btrack->GetDz(ilayer)/(btrack->GetSigmaZ(ilayer)*btrack->GetSigmaZ(ilayer)); + } + } + sumchi2/=sumn; + if (sumchi2GetNormChi2(i); + break; } - else{ - if (vertex.fPointAngle<0.98) continue; + if (array1b) for (Int_t i=0;i<5;i++){ + // best track after vertex + AliITStrackMI * btrack = (AliITStrackMI*)array1b->At(i); + if (!btrack) continue; + if (btrack->GetNumberOfClusters()>track1l->GetNumberOfClusters()) track1l = btrack; + // if (btrack->fXGetRr()-2-0.5/(0.1+pvertex->GetAnglep()[2])){ + if (btrack->GetX()GetRr()-2){ + if ((maxLayer>i+2 || (i==0))&&btrack->GetNumberOfClusters()==(6-i)&&(i<3)){ + Float_t sumchi2= 0; + Float_t sumn = 0; + if (maxLayer<3){ // take prim vertex as additional measurement + if (normdist[itrack1]>0 && htrackc1){ + sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack1]*normdist[itrack1],16.); + }else{ + sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack1]*normdist[itrack1]+3.),16.); + } + sumn += 3-maxLayer; + } + for (Int_t ilayer=i;ilayerGetClIndex(ilayer)){ + sumchi2+=30; + continue; + }else{ + Int_t c=( btrack->GetClIndex(ilayer) & 0x0fffffff); + for (Int_t itrack=0;itrack<4;itrack++){ + if (fgLayers[ilayer].GetClusterTracks(itrack,c)>=0 && fgLayers[ilayer].GetClusterTracks(itrack,c)!=itrack1){ + sumchi2+=18.; //shared cluster + break; + } + } + sumchi2+=btrack->GetDy(ilayer)*btrack->GetDy(ilayer)/(btrack->GetSigmaY(ilayer)*btrack->GetSigmaY(ilayer)); + sumchi2+=btrack->GetDz(ilayer)*btrack->GetDz(ilayer)/(btrack->GetSigmaZ(ilayer)*btrack->GetSigmaZ(ilayer)); + } + } + sumchi2/=sumn; + if (sumchi2GetNormChi2(i); + break; } - if (TMath::Abs(TMath::Abs(track0->fLab)-TMath::Abs(track1->fLab))<2){ - Float_t mindist = FindBestPair(itrack0,itrack1,&vertex); - if (mindist>1) FindBestPair(itrack0,itrack1,&vertex); + // + // position resolution - used for DCA cut + Float_t sigmad = track0b->GetSigmaY2()+track0b->GetSigmaZ2()+track1b->GetSigmaY2()+track1b->GetSigmaZ2()+ + (track0b->GetX()-pvertex->GetRr())*(track0b->GetX()-pvertex->GetRr())*(track0b->GetSigmaSnp2()+track0b->GetSigmaTgl2())+ + (track1b->GetX()-pvertex->GetRr())*(track1b->GetX()-pvertex->GetRr())*(track1b->GetSigmaSnp2()+track1b->GetSigmaTgl2()); + sigmad =TMath::Sqrt(sigmad)+0.04; + if (pvertex->GetRr()>50){ + Double_t cov0[15],cov1[15]; + track0b->GetESDtrack()->GetInnerExternalCovariance(cov0); + track1b->GetESDtrack()->GetInnerExternalCovariance(cov1); + sigmad = cov0[0]+cov0[2]+cov1[0]+cov1[2]+ + (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov0[5]+cov0[9])+ + (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov1[5]+cov1[9]); + sigmad =TMath::Sqrt(sigmad)+0.05; } - } + // + AliV0 vertex2; + vertex2.SetParamN(*track0b); + vertex2.SetParamP(*track1b); + vertex2.Update(primvertex); + //Bo: if (vertex2.GetDist2()<=pvertex->GetDist2()&&(vertex2.GetV0CosineOfPointingAngle()>=pvertex->GetV0CosineOfPointingAngle())){ + if (vertex2.GetDcaV0Daughters()<=pvertex->GetDcaV0Daughters()&&(vertex2.GetV0CosineOfPointingAngle()>=pvertex->GetV0CosineOfPointingAngle())){ + pvertex->SetParamN(*track0b); + pvertex->SetParamP(*track1b); + pvertex->Update(primvertex); + pvertex->SetClusters(track0b->ClIndex(),track1b->ClIndex()); // register clusters + pvertex->SetIndex(0,track0->GetESDtrack()->GetID()); + pvertex->SetIndex(1,track1->GetESDtrack()->GetID()); + } + pvertex->SetDistSigma(sigmad); + //Bo: pvertex->SetDistNorm(pvertex->GetDist2()/sigmad); + pvertex->SetNormDCAPrim(normdist[itrack0],normdist[itrack1]); + // + // define likelihhod and causalities + // + Float_t pa0=1, pa1=1, pb0=0.26, pb1=0.26; + if (maxLayer<1){ + Float_t fnorm0 = normdist[itrack0]; + if (fnorm0<0) fnorm0*=-3; + Float_t fnorm1 = normdist[itrack1]; + if (fnorm1<0) fnorm1*=-3; + if (pvertex->GetAnglep()[2]>0.1 || (pvertex->GetRr()<10.5)&& pvertex->GetAnglep()[2]>0.05 || pvertex->GetRr()<3){ + pb0 = TMath::Exp(-TMath::Min(fnorm0,Float_t(16.))/12.); + pb1 = TMath::Exp(-TMath::Min(fnorm1,Float_t(16.))/12.); + } + pvertex->SetChi2Before(normdist[itrack0]); + pvertex->SetChi2After(normdist[itrack1]); + pvertex->SetNAfter(0); + pvertex->SetNBefore(0); + }else{ + pvertex->SetChi2Before(minchi2before0); + pvertex->SetChi2After(minchi2before1); + if (pvertex->GetAnglep()[2]>0.1 || ( pvertex->GetRr()<10.5 && pvertex->GetAnglep()[2]>0.05) || pvertex->GetRr()<3){ + pb0 = TMath::Exp(-TMath::Min(minchi2before0,Float_t(16))/12.); + pb1 = TMath::Exp(-TMath::Min(minchi2before1,Float_t(16))/12.); + } + pvertex->SetNAfter(maxLayer); + pvertex->SetNBefore(maxLayer); + } + if (pvertex->GetRr()<90){ + pa0 *= TMath::Min(track0->GetESDtrack()->GetTPCdensity(0,60),Double_t(1.)); + pa1 *= TMath::Min(track1->GetESDtrack()->GetTPCdensity(0,60),Double_t(1.)); + } + if (pvertex->GetRr()<20){ + pa0 *= (0.2+TMath::Exp(-TMath::Min(minchi2after0,Float_t(16))/8.))/1.2; + pa1 *= (0.2+TMath::Exp(-TMath::Min(minchi2after1,Float_t(16))/8.))/1.2; + } + // + pvertex->SetCausality(pb0,pb1,pa0,pa1); + // + // Likelihood calculations - apply cuts + // + Bool_t v0OK = kTRUE; + Float_t p12 = pvertex->GetParamP()->GetParameter()[4]*pvertex->GetParamP()->GetParameter()[4]; + p12 += pvertex->GetParamN()->GetParameter()[4]*pvertex->GetParamN()->GetParameter()[4]; + p12 = TMath::Sqrt(p12); // "mean" momenta + Float_t sigmap0 = 0.0001+0.001/(0.1+pvertex->GetRr()); + Float_t sigmap = 0.5*sigmap0*(0.6+0.4*p12); // "resolution: of point angle - as a function of radius and momenta + + Float_t causalityA = (1.0-pvertex->GetCausalityP()[0])*(1.0-pvertex->GetCausalityP()[1]); + Float_t causalityB = TMath::Sqrt(TMath::Min(pvertex->GetCausalityP()[2],Double_t(0.7))* + TMath::Min(pvertex->GetCausalityP()[3],Double_t(0.7))); + // + //Bo: Float_t likelihood0 = (TMath::Exp(-pvertex->GetDistNorm())+0.1) *(pvertex->GetDist2()<0.5)*(pvertex->GetDistNorm()<5); + Float_t lDistNorm = pvertex->GetDcaV0Daughters()/pvertex->GetDistSigma(); + Float_t likelihood0 = (TMath::Exp(-lDistNorm)+0.1) *(pvertex->GetDcaV0Daughters()<0.5)*(lDistNorm<5); + + Float_t likelihood1 = TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/sigmap)+ + 0.4*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/(4.*sigmap))+ + 0.4*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/(8.*sigmap))+ + 0.1*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/0.01); + // + if (causalityAGetLabel())-TMath::Abs(track1->GetLabel()))==1; + cstream<<"It0"<< + "Tr0.="<SetStatus(0); + // if (rejectBase) { + // pvertex->SetStatus(-100); + //} + if (pvertex->GetV0CosineOfPointingAngle()>kMinPointAngle2) { + //Bo: pvertex->SetESDindexes(track0->GetESDtrack()->GetID(),track1->GetESDtrack()->GetID()); + pvertex->SetIndex(0,track0->GetESDtrack()->GetID());//Bo: consistency 0 for neg + pvertex->SetIndex(1,track1->GetESDtrack()->GetID());//Bo: consistency 1 for pos + if (v0OK){ + // AliV0vertex vertexjuri(*track0,*track1); + // vertexjuri.SetESDindexes(track0->fESDtrack->GetID(),track1->fESDtrack->GetID()); + // event->AddV0(&vertexjuri); + pvertex->SetStatus(100); + } + pvertex->SetOnFlyStatus(kTRUE); + pvertex->ChangeMassHypothesis(kK0Short); + event->AddV0(pvertex); + } + } } + // + // + // delete temporary arrays + // + delete[] forbidden; + delete[] minPointAngle; + delete[] maxr; + delete[] minr; + delete[] norm; + delete[] normdist; + delete[] normdist1; + delete[] normdist0; + delete[] dist; + delete[] itsmap; + delete[] helixes; + delete pvertex; } - -Double_t AliITStrackerMI::FindBestPair(Int_t esdtrack0, Int_t esdtrack1,AliITSRecV0Info *vertex) +//------------------------------------------------------------------------ +void AliITStrackerMI::RefitV02(AliESDEvent *event) { // - // try to find best pair from the tree of track hyp. - // - TObjArray * array0 = (TObjArray*)fTrackHypothesys.At(esdtrack0); - Int_t entries0 = array0->GetEntriesFast(); - TObjArray * array1 = (TObjArray*)fTrackHypothesys.At(esdtrack1); - Int_t entries1 = array1->GetEntriesFast(); - // - // - AliITSRecV0Info v0; - AliITSRecV0Info vbest; - Double_t criticalradius = vertex->fRr; - Double_t mindist =1000; - Int_t bestpair[2]; - // - for (Int_t itrack0=0;itrack0At(itrack0); - if (!track0) continue; - if (track0->fXfX>criticalradius+5) continue; - for (Int_t itrack1=0;itrack1At(itrack1); - if (!track1) continue; - if (track1->fXfX>criticalradius+5) continue; - - AliHelix h0(*track0); - AliHelix h1(*track1); - Double_t distance = TestV0(&h0,&h1,&v0); - if (v0.fRr>30) continue; - if (v0.fRr<0.2) continue; - Float_t v[3]={GetX(),GetY(),GetZ()}; - v0.Update(v,track0->fMass, track1->fMass); - if (distanceGetNumberOfV0s(); + Float_t primvertex[3]={GetX(),GetY(),GetZ()}; + AliV0 v0temp; + for (Int_t iv0 = 0; iv0GetV0(iv0); + if (!v0mi) continue; + Int_t itrack0 = v0mi->GetIndex(0); + Int_t itrack1 = v0mi->GetIndex(1); + AliESDtrack *esd0 = event->GetTrack(itrack0); + AliESDtrack *esd1 = event->GetTrack(itrack1); + if (!esd0||!esd1) continue; + AliITStrackMI tpc0(*esd0); + AliITStrackMI tpc1(*esd1); + Double_t x,y,z; v0mi->GetXYZ(x,y,z); //I.B. + Double_t alpha =TMath::ATan2(y,x); //I.B. + if (v0mi->GetRr()>85){ + if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){ + v0temp.SetParamN(tpc0); + v0temp.SetParamP(tpc1); + v0temp.Update(primvertex); + if (kFALSE) cstream<<"Refit"<< + "V0.="<GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + if (v0temp.GetDcaV0Daughters()GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + v0mi->SetParamN(tpc0); + v0mi->SetParamP(tpc1); + v0mi->Update(primvertex); + } + } + continue; + } + if (v0mi->GetRr()>35){ + CorrectForTPCtoITSDeadZoneMaterial(&tpc0); + CorrectForTPCtoITSDeadZoneMaterial(&tpc1); + if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){ + v0temp.SetParamN(tpc0); + v0temp.SetParamP(tpc1); + v0temp.Update(primvertex); + if (kFALSE) cstream<<"Refit"<< + "V0.="<GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + if (v0temp.GetDcaV0Daughters()GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + v0mi->SetParamN(tpc0); + v0mi->SetParamP(tpc1); + v0mi->Update(primvertex); + } + } + continue; + } + CorrectForTPCtoITSDeadZoneMaterial(&tpc0); + CorrectForTPCtoITSDeadZoneMaterial(&tpc1); + // if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){ + if (RefitAt(v0mi->GetRr(),&tpc0, v0mi->GetClusters(0)) && RefitAt(v0mi->GetRr(),&tpc1, v0mi->GetClusters(1))){ + v0temp.SetParamN(tpc0); + v0temp.SetParamP(tpc1); + v0temp.Update(primvertex); + if (kFALSE) cstream<<"Refit"<< + "V0.="<GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + if (v0temp.GetDcaV0Daughters()GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){ + v0mi->SetParamN(tpc0); + v0mi->SetParamP(tpc1); + v0mi->Update(primvertex); + } + } + } +} +//------------------------------------------------------------------------ +void AliITStrackerMI::BuildMaterialLUT(TString material) { + //-------------------------------------------------------------------- + // Fill a look-up table with mean material + //-------------------------------------------------------------------- + + Int_t n=1000; + Double_t mparam[7]; + Double_t point1[3],point2[3]; + Double_t phi,cosphi,sinphi,z; + // 0-5 layers, 6 pipe, 7-8 shields + Double_t rmin[9]={ 3.5, 5.5,13.0,22.0,35.0,41.0, 2.0, 8.0,25.0}; + Double_t rmax[9]={ 5.5, 8.0,17.0,26.0,41.0,47.0, 3.0,10.5,30.0}; + + Int_t ifirst=0,ilast=0; + if(material.Contains("Pipe")) { + ifirst=6; ilast=6; + } else if(material.Contains("Shields")) { + ifirst=7; ilast=8; + } else if(material.Contains("Layers")) { + ifirst=0; ilast=5; + } else { + Error("BuildMaterialLUT","Wrong layer name\n"); + } + + for(Int_t imat=ifirst; imat<=ilast; imat++) { + Double_t param[5]={0.,0.,0.,0.,0.}; + for (Int_t i=0; iRndm(); + cosphi = TMath::Cos(phi); sinphi = TMath::Sin(phi); + z = 14.*(-1.+2.*gRandom->Rndm()); // SPD barrel + point1[0] = rmin[imat]*cosphi; + point1[1] = rmin[imat]*sinphi; + point1[2] = z; + point2[0] = rmax[imat]*cosphi; + point2[1] = rmax[imat]*sinphi; + point2[2] = z; + AliTracker::MeanMaterialBudget(point1,point2,mparam); + for(Int_t j=0;j<5;j++) param[j]+=mparam[j]; + } + for(Int_t j=0;j<5;j++) param[j]/=(Float_t)n; + if(imat<=5) { + fxOverX0Layer[imat] = param[1]; + fxTimesRhoLayer[imat] = param[0]*param[4]; + } else if(imat==6) { + fxOverX0Pipe = param[1]; + fxTimesRhoPipe = param[0]*param[4]; + } else if(imat==7) { + fxOverX0Shield[0] = param[1]; + fxTimesRhoShield[0] = param[0]*param[4]; + } else if(imat==8) { + fxOverX0Shield[1] = param[1]; + fxTimesRhoShield[1] = param[0]*param[4]; + } + } + /* + printf("%s\n",material.Data()); + printf("%f %f\n",fxOverX0Pipe,fxTimesRhoPipe); + printf("%f %f\n",fxOverX0Shield[0],fxTimesRhoShield[0]); + printf("%f %f\n",fxOverX0Shield[1],fxTimesRhoShield[1]); + printf("%f %f\n",fxOverX0Layer[0],fxTimesRhoLayer[0]); + printf("%f %f\n",fxOverX0Layer[1],fxTimesRhoLayer[1]); + printf("%f %f\n",fxOverX0Layer[2],fxTimesRhoLayer[2]); + printf("%f %f\n",fxOverX0Layer[3],fxTimesRhoLayer[3]); + printf("%f %f\n",fxOverX0Layer[4],fxTimesRhoLayer[4]); + printf("%f %f\n",fxOverX0Layer[5],fxTimesRhoLayer[5]); + */ + return; +} +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::CorrectForPipeMaterial(AliITStrackMI *t, + TString direction) { + //------------------------------------------------------------------- + // Propagate beyond beam pipe and correct for material + // (material budget in different ways according to fUseTGeo value) + //------------------------------------------------------------------- + + // Define budget mode: + // 0: material from AliITSRecoParam (hard coded) + // 1: material from TGeo (on the fly) + // 2: material from lut + // 3: material from TGeo (same for all hypotheses) + Int_t mode; + switch(fUseTGeo) { + case 0: + mode=0; + break; + case 1: + mode=1; + break; + case 2: + mode=2; + break; + case 3: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=1; } + break; + case 4: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=2; } + break; + default: + mode=0; + break; + } + if(fTrackingPhase.Contains("Default")) mode=0; + + Int_t index=fCurrentEsdTrack; + + Float_t dir = (direction.Contains("inward") ? 1. : -1.); + Double_t rToGo=(dir>0 ? AliITSRecoParam::GetrInsidePipe() : AliITSRecoParam::GetrOutsidePipe()); + Double_t xToGo; + if (!t->GetLocalXat(rToGo,xToGo)) return 0; + + Double_t xOverX0,x0,lengthTimesMeanDensity; + Bool_t anglecorr=kTRUE; + + switch(mode) { + case 0: + xOverX0 = AliITSRecoParam::GetdPipe(); + x0 = AliITSRecoParam::GetX0Be(); + lengthTimesMeanDensity = xOverX0*x0; + break; + case 1: + if (!t->PropagateToTGeo(xToGo,1)) return 0; + return 1; + break; + case 2: + if(fxOverX0Pipe<0) BuildMaterialLUT("Pipe"); + xOverX0 = fxOverX0Pipe; + lengthTimesMeanDensity = fxTimesRhoPipe; + break; + case 3: + if(!fxOverX0PipeTrks || index<0 || index>=fNtracks) Error("CorrectForPipeMaterial","Incorrect usage of UseTGeo option!\n"); + if(fxOverX0PipeTrks[index]<0) { + if (!t->PropagateToTGeo(xToGo,1,xOverX0,lengthTimesMeanDensity)) return 0; + Double_t angle=TMath::Sqrt((1.+t->GetTgl()*t->GetTgl())/ + (1.-t->GetSnp()*t->GetSnp())); + fxOverX0PipeTrks[index] = TMath::Abs(xOverX0)/angle; + fxTimesRhoPipeTrks[index] = TMath::Abs(lengthTimesMeanDensity)/angle; + return 1; + } + xOverX0 = fxOverX0PipeTrks[index]; + lengthTimesMeanDensity = fxTimesRhoPipeTrks[index]; + break; + } + + lengthTimesMeanDensity *= dir; + + if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0; + if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0; + + return 1; +} +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::CorrectForShieldMaterial(AliITStrackMI *t, + TString shield, + TString direction) { + //------------------------------------------------------------------- + // Propagate beyond SPD or SDD shield and correct for material + // (material budget in different ways according to fUseTGeo value) + //------------------------------------------------------------------- + + // Define budget mode: + // 0: material from AliITSRecoParam (hard coded) + // 1: material from TGeo (on the fly) + // 2: material from lut + // 3: material from TGeo (same for all hypotheses) + Int_t mode; + switch(fUseTGeo) { + case 0: + mode=0; + break; + case 1: + mode=1; + break; + case 2: + mode=2; + break; + case 3: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=1; } + break; + case 4: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=2; } + break; + default: + mode=0; + break; + } + if(fTrackingPhase.Contains("Default")) mode=0; + + Float_t dir = (direction.Contains("inward") ? 1. : -1.); + Double_t rToGo; + Int_t shieldindex=0; + if (shield.Contains("SDD")) { // SDDouter + rToGo=(dir>0 ? AliITSRecoParam::GetrInsideShield(1) : AliITSRecoParam::GetrOutsideShield(1)); + shieldindex=1; + } else if (shield.Contains("SPD")) { // SPDouter + rToGo=(dir>0 ? AliITSRecoParam::GetrInsideShield(0) : AliITSRecoParam::GetrOutsideShield(0)); + shieldindex=0; + } else { + Error("CorrectForShieldMaterial"," Wrong shield name\n"); + return 0; + } + Double_t xToGo; + if (!t->GetLocalXat(rToGo,xToGo)) return 0; + + Int_t index=2*fCurrentEsdTrack+shieldindex; + + Double_t xOverX0,x0,lengthTimesMeanDensity; + Bool_t anglecorr=kTRUE; + + switch(mode) { + case 0: + xOverX0 = AliITSRecoParam::Getdshield(shieldindex); + x0 = AliITSRecoParam::GetX0shield(shieldindex); + lengthTimesMeanDensity = xOverX0*x0; + break; + case 1: + if (!t->PropagateToTGeo(xToGo,1)) return 0; + return 1; + break; + case 2: + if(fxOverX0Shield[shieldindex]<0) BuildMaterialLUT("Shields"); + xOverX0 = fxOverX0Shield[shieldindex]; + lengthTimesMeanDensity = fxTimesRhoShield[shieldindex]; + break; + case 3: + if(!fxOverX0ShieldTrks || index<0 || index>=2*fNtracks) Error("CorrectForShieldMaterial","Incorrect usage of UseTGeo option!\n"); + if(fxOverX0ShieldTrks[index]<0) { + if (!t->PropagateToTGeo(xToGo,1,xOverX0,lengthTimesMeanDensity)) return 0; + Double_t angle=TMath::Sqrt((1.+t->GetTgl()*t->GetTgl())/ + (1.-t->GetSnp()*t->GetSnp())); + fxOverX0ShieldTrks[index] = TMath::Abs(xOverX0)/angle; + fxTimesRhoShieldTrks[index] = TMath::Abs(lengthTimesMeanDensity)/angle; + return 1; } + xOverX0 = fxOverX0ShieldTrks[index]; + lengthTimesMeanDensity = fxTimesRhoShieldTrks[index]; + break; + } + + lengthTimesMeanDensity *= dir; + + if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0; + if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0; + + return 1; +} +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::CorrectForLayerMaterial(AliITStrackMI *t, + Int_t layerindex, + Double_t oldGlobXYZ[3], + TString direction) { + //------------------------------------------------------------------- + // Propagate beyond layer and correct for material + // (material budget in different ways according to fUseTGeo value) + //------------------------------------------------------------------- + + // Define budget mode: + // 0: material from AliITSRecoParam (hard coded) + // 1: material from TGeo (on the fly) + // 2: material from lut + // 3: material from TGeo (same for all hypotheses) + Int_t mode; + switch(fUseTGeo) { + case 0: + mode=0; + break; + case 1: + mode=1; + break; + case 2: + mode=2; + break; + case 3: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=1; } + break; + case 4: + if(fTrackingPhase.Contains("Clusters2Tracks")) + { mode=3; } else { mode=2; } + break; + default: + mode=0; + break; } - if (mindist<0.2){ - vbest.Dump(); - vertex->Dump(); + if(fTrackingPhase.Contains("Default")) mode=0; + + Float_t dir = (direction.Contains("inward") ? 1. : -1.); + + Double_t r=fgLayers[layerindex].GetR(); + Double_t deltar=(layerindex<2 ? 0.10*r : 0.05*r); + + Double_t rToGo=TMath::Sqrt(t->GetX()*t->GetX()+t->GetY()*t->GetY())-deltar*dir; + Double_t xToGo; + if (!t->GetLocalXat(rToGo,xToGo)) return 0; + + Int_t index=6*fCurrentEsdTrack+layerindex; + + // Bring the track beyond the material + if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0; + Double_t globXYZ[3]; + t->GetXYZ(globXYZ); + + Double_t xOverX0=0.0,x0=0.0,lengthTimesMeanDensity=0.0; + Double_t mparam[7]; + Bool_t anglecorr=kTRUE; + + switch(mode) { + case 0: + xOverX0 = fgLayers[layerindex].GetThickness(t->GetY(),t->GetZ(),x0); + lengthTimesMeanDensity = xOverX0*x0; + break; + case 1: + AliTracker::MeanMaterialBudget(oldGlobXYZ,globXYZ,mparam); + if(mparam[1]>900000) return 0; + xOverX0=mparam[1]; + lengthTimesMeanDensity=mparam[0]*mparam[4]; + anglecorr=kFALSE; + break; + case 2: + if(fxOverX0Layer[layerindex]<0) BuildMaterialLUT("Layers"); + xOverX0 = fxOverX0Layer[layerindex]; + lengthTimesMeanDensity = fxTimesRhoLayer[layerindex]; + break; + case 3: + if(!fxOverX0LayerTrks || index<0 || index>=6*fNtracks) Error("CorrectForLayerMaterial","Incorrect usage of UseTGeo option!\n"); + if(fxOverX0LayerTrks[index]<0) { + AliTracker::MeanMaterialBudget(oldGlobXYZ,globXYZ,mparam); + if(mparam[1]>900000) return 0; + Double_t angle=TMath::Sqrt((1.+t->GetTgl()*t->GetTgl())/ + (1.-t->GetSnp()*t->GetSnp())); + xOverX0=mparam[1]/angle; + lengthTimesMeanDensity=mparam[0]*mparam[4]/angle; + fxOverX0LayerTrks[index] = TMath::Abs(xOverX0); + fxTimesRhoLayerTrks[index] = TMath::Abs(lengthTimesMeanDensity); + } + xOverX0 = fxOverX0LayerTrks[index]; + lengthTimesMeanDensity = fxTimesRhoLayerTrks[index]; + break; } - return mindist; + + lengthTimesMeanDensity *= dir; + + if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0; + + return 1; } +//------------------------------------------------------------------------ +void AliITStrackerMI::MakeTrksMaterialLUT(Int_t ntracks) { + //----------------------------------------------------------------- + // Initialize LUT for storing material for each prolonged track + //----------------------------------------------------------------- + fxOverX0PipeTrks = new Float_t[ntracks]; + fxTimesRhoPipeTrks = new Float_t[ntracks]; + fxOverX0ShieldTrks = new Float_t[ntracks*2]; + fxTimesRhoShieldTrks = new Float_t[ntracks*2]; + fxOverX0LayerTrks = new Float_t[ntracks*6]; + fxTimesRhoLayerTrks = new Float_t[ntracks*6]; + + for(Int_t i=0; i 0: + // return 1: the user requested to skip a layer + // return 2: track outside z acceptance of SSD/SDD and will cross both SPD + //----------------------------------------------------------------- + + if (AliITSReconstructor::GetRecoParam()->GetLayersToSkip(ilayer)) return 1; + + if (idet<0 && ilayer>1 && AliITSReconstructor::GetRecoParam()->GetExtendedEtaAcceptance()) { + // check if track will cross SPD outer layer + Double_t phiAtSPD2,zAtSPD2; + if (track->GetPhiZat(fgLayers[1].GetR(),phiAtSPD2,zAtSPD2)) { + if (TMath::Abs(zAtSPD2)<2.*AliITSRecoParam::GetSPDdetzlength()) return 2; + } + } + + return 0; +} +//------------------------------------------------------------------------ +Int_t AliITStrackerMI::CheckDeadZone(AliITStrackMI *track, + Int_t ilayer,Int_t idet, + Double_t dz,Double_t dy, + Bool_t noClusters) const { + //----------------------------------------------------------------- + // This method is used to decide whether to allow a prolongation + // without clusters, because there is a dead zone in the road. + // In this case the return value is > 0: + // return 1: dead zone at z=0,+-7cm in SPD + // return 2: all road is "bad" (dead or noisy) from the OCDB + // return 3: something "bad" (dead or noisy) from the OCDB + //----------------------------------------------------------------- + + // check dead zones at z=0,+-7cm in the SPD + if (ilayer<2 && !AliITSReconstructor::GetRecoParam()->GetAddVirtualClustersInDeadZone()) { + Double_t zmindead[3]={fSPDdetzcentre[0] + 0.5*AliITSRecoParam::GetSPDdetzlength(), + fSPDdetzcentre[1] + 0.5*AliITSRecoParam::GetSPDdetzlength(), + fSPDdetzcentre[2] + 0.5*AliITSRecoParam::GetSPDdetzlength()}; + Double_t zmaxdead[3]={fSPDdetzcentre[1] - 0.5*AliITSRecoParam::GetSPDdetzlength(), + fSPDdetzcentre[2] - 0.5*AliITSRecoParam::GetSPDdetzlength(), + fSPDdetzcentre[3] - 0.5*AliITSRecoParam::GetSPDdetzlength()}; + for (Int_t i=0; i<3; i++) + if (track->GetZ()-dzGetZ()+dz>zmindead[i]) return 1; + } + + // check bad zones from OCDB + if (!AliITSReconstructor::GetRecoParam()->GetUseBadZonesFromOCDB()) return 0; + + if (idet<0) return 0; + + AliITSdetector &det=fgLayers[ilayer].GetDetector(idet); + + // check if this detector is bad + if (det.IsBad()) { + //printf("lay %d bad detector %d\n",ilayer,idet); + return 2; + } + + Int_t detType=-1; + Float_t detSizeFactorX=0.0001,detSizeFactorZ=0.0001; + if (ilayer==0 || ilayer==1) { // ---------- SPD + detType = 0; + } else if (ilayer==2 || ilayer==3) { // ---------- SDD + detType = 1; + detSizeFactorX *= 2.; + } else if (ilayer==4 || ilayer==5) { // ---------- SSD + detType = 2; + } + AliITSsegmentation *segm = (AliITSsegmentation*)fDetTypeRec->GetSegmentationModel(detType); + if (detType==2) segm->SetLayer(ilayer+1); + Float_t detSizeX = detSizeFactorX*segm->Dx(); + Float_t detSizeZ = detSizeFactorZ*segm->Dz(); + + // check if the road overlaps with bad chips + Float_t xloc,zloc; + LocalModuleCoord(ilayer,idet,track,xloc,zloc); + Float_t zlocmin = zloc-dz; + Float_t zlocmax = zloc+dz; + Float_t xlocmin = xloc-dy; + Float_t xlocmax = xloc+dy; + Int_t chipsInRoad[100]; + + if (TMath::Max(TMath::Abs(xlocmin),TMath::Abs(xlocmax))>0.5*detSizeX || + TMath::Max(TMath::Abs(zlocmin),TMath::Abs(zlocmax))>0.5*detSizeZ) return 0; + //printf("lay %d det %d zmim zmax %f %f xmin xmax %f %f %f %f\n",ilayer,idet,zlocmin,zlocmax,xlocmin,xlocmax,segm->Dx(),segm->Dz()); + Int_t nChipsInRoad = segm->GetChipsInLocalWindow(chipsInRoad,zlocmin,zlocmax,xlocmin,xlocmax); + //printf("lay %d nChipsInRoad %d\n",ilayer,nChipsInRoad); + if (!nChipsInRoad) return 0; + + Bool_t anyBad=kFALSE,anyGood=kFALSE; + for (Int_t iCh=0; iChdet.GetNChips()-1) continue; + //printf(" chip %d bad %d\n",chipsInRoad[iCh],(Int_t)det.IsChipBad(chipsInRoad[iCh])); + if (det.IsChipBad(chipsInRoad[iCh])) { + anyBad=kTRUE; + } else { + anyGood=kTRUE; + } + } + + if (!anyGood) return 2; // all chips in road are bad + if (anyBad) return 3; // at least a bad chip in road + + if (!AliITSReconstructor::GetRecoParam()->GetUseSingleBadChannelsFromOCDB() + || ilayer==4 || ilayer==5 // SSD + || !noClusters) return 0; + + // There are no clusters in road: check if there is at least + // a bad SPD pixel or SDD anode + + if(ilayer==1 || ilayer==3 || ilayer==5) + idet += AliITSgeomTGeo::GetNLadders(ilayer)*AliITSgeomTGeo::GetNDetectors(ilayer); + + //if (fITSChannelStatus->AnyBadInRoad(idet,zlocmin,zlocmax,xlocmin,xlocmax)) return 3; + + if (fITSChannelStatus->FractionOfBadInRoad(idet,zlocmin,zlocmax,xlocmin,xlocmax) > AliITSReconstructor::GetRecoParam()->GetMinFractionOfBadInRoad()) return 3; + + return 0; } +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::LocalModuleCoord(Int_t ilayer,Int_t idet, + AliITStrackMI *track, + Float_t &xloc,Float_t &zloc) const { + //----------------------------------------------------------------- + // Gives position of track in local module ref. frame + //----------------------------------------------------------------- + xloc=0.; + zloc=0.; + if(idet<0) return kFALSE; -Double_t AliITStrackerMI::TestV0(AliHelix *helix1, AliHelix *helix2, AliITSRecV0Info *vertex) -{ - // - // test the helixes for the distnce calculate vertex characteristic - // - Float_t distance1,distance2; - AliHelix & dhelix1 = *helix1; - Double_t pp[3],xx[3]; - dhelix1.GetMomentum(0,pp,0); - dhelix1.Evaluate(0,xx); - AliHelix &mhelix = *helix2; - // - //find intersection linear + Int_t ndet=AliITSgeomTGeo::GetNDetectors(ilayer+1); // layers from 1 to 6 + + Int_t lad = Int_t(idet/ndet) + 1; + + Int_t det = idet - (lad-1)*ndet + 1; + + Double_t xyzGlob[3],xyzLoc[3]; + + AliITSdetector &detector = fgLayers[ilayer].GetDetector(idet); + // take into account the misalignment: xyz at real detector plane + track->GetXYZAt(detector.GetRmisal(),GetBz(),xyzGlob); + + AliITSgeomTGeo::GlobalToLocal(ilayer+1,lad,det,xyzGlob,xyzLoc); + + xloc = (Float_t)xyzLoc[0]; + zloc = (Float_t)xyzLoc[2]; + + return kTRUE; +} +//------------------------------------------------------------------------ +Bool_t AliITStrackerMI::IsOKForPlaneEff(AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const { +// +// Method to be optimized further: +// Aim: decide whether a track can be used for PlaneEff evaluation +// the decision is taken based on the track quality at the layer under study +// no information on the clusters on this layer has to be used +// The criterium is to reject tracks at boundaries between basic block (e.g. SPD chip) +// the cut is done on number of sigmas from the boundaries +// +// Input: Actual track, layer [0,5] under study +// Output: none +// Return: kTRUE if this is a good track +// +// it will apply a pre-selection to obtain good quality tracks. +// Here also you will have the possibility to put a control on the +// impact point of the track on the basic block, in order to exclude border regions +// this will be done by calling a proper method of the AliITSPlaneEff class. +// +// input: AliITStrackMI* track, ilayer= layer number [0,5] +// return: Bool_t -> kTRUE if usable track, kFALSE if not usable. +// + Int_t index[AliITSgeomTGeo::kNLayers]; + Int_t k; + for (k=0; k0){ - dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1); - dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1); - dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1); + for (k=0; kilayer;lay--) { + AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay, + tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ; + if (tmp.GetClIndex(lay)>0) ncl++; } - distance1 = TMath::Min(delta1,delta2); - vertex->fDist1 = TMath::Sqrt(distance1); - // - //find intersection parabolic + Bool_t nextout = kFALSE; + if(ilayer==AliITSgeomTGeo::kNLayers-1) nextout=kTRUE; // you are already on the outermost layer + else nextout = ((tmp.GetClIndex(ilayer+1)>0)? kTRUE : kFALSE ); + Bool_t nextin = kFALSE; + if(ilayer==0) nextin=kTRUE; // you are already on the innermost layer + else nextin = ((index[ilayer-1]>=0)? kTRUE : kFALSE ); + if(nclGetMaxMissingClustersPlaneEff()) + return kFALSE; + if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInOuterLayerPlaneEff() && !nextout) return kFALSE; + if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInInnerLayerPlaneEff() && !nextin) return kFALSE; + if(tmp.Pt() < AliITSReconstructor::GetRecoParam()->GetMinPtPlaneEff()) return kFALSE; + // if(AliITSReconstructor::GetRecoParam()->GetOnlyConstraintPlaneEff() && !tmp.GetConstrain()) return kFALSE; + +// detector number + Double_t phi,z; + if (!tmp.GetPhiZat(r,phi,z)) return kFALSE; + Int_t idet=layer.FindDetectorIndex(phi,z); + if(idet<0) { AliInfo(Form("cannot find detector")); + return kFALSE;} + + // here check if it has good Chi Square. + + //propagate to the intersection with the detector plane + const AliITSdetector &det=layer.GetDetector(idet); + if (!tmp.Propagate(det.GetPhi(),det.GetR())) return kFALSE; + + Float_t locx; // + Float_t locz; // + if(!LocalModuleCoord(ilayer,idet,&tmp,locx,locz)) return kFALSE; + UInt_t key=fPlaneEff->GetKeyFromDetLocCoord(ilayer,idet,locx,locz); + if(key>fPlaneEff->Nblock()) return kFALSE; + Float_t blockXmn,blockXmx,blockZmn,blockZmx; + if (!fPlaneEff->GetBlockBoundaries(key,blockXmn,blockXmx,blockZmn,blockZmx)) return kFALSE; + //*************** + // DEFINITION OF SEARCH ROAD FOR accepting a track // - points = dhelix1.GetRPHIintersections(mhelix, phase, radius); - delta1=10000,delta2=10000; - - if (points>0){ - dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1); + //For the time being they are hard-wired, later on from AliITSRecoParam + // Double_t nsigx=AliITSRecoParam::GetNSigXFarFromBoundary(); + // Double_t nsigz=AliITSRecoParam::GetNSigZFarFromBoundary(); + Double_t nsigz=4; + Double_t nsigx=4; + Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system + Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is + // done for RecPoints + + // exclude tracks at boundary between detectors + //Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidthPlaneEff(); + Double_t boundaryWidth=0; // for the time being hard-wired, later on from AliITSRecoParam + AliDebug(2,Form("Tracking: track impact x=%f, y=%f, z=%f",tmp.GetX(), tmp.GetY(), tmp.GetZ())); + AliDebug(2,Form("Local: track impact x=%f, z=%f",locx,locz)); + AliDebug(2,Form("Search Road. Tracking: dy=%f , dz=%f",dx,dz)); + + if ( (locx-dx < blockXmn+boundaryWidth) || + (locx+dx > blockXmx-boundaryWidth) || + (locz-dz < blockZmn+boundaryWidth) || + (locz+dz > blockZmx-boundaryWidth) ) return kFALSE; + return kTRUE; +} +//------------------------------------------------------------------------ +void AliITStrackerMI::UseTrackForPlaneEff(AliITStrackMI* track, Int_t ilayer) { +// +// This Method has to be optimized! For the time-being it uses the same criteria +// as those used in the search of extra clusters for overlapping modules. +// +// Method Purpose: estabilish whether a track has produced a recpoint or not +// in the layer under study (For Plane efficiency) +// +// inputs: AliITStrackMI* track (pointer to a usable track) +// outputs: none +// side effects: update (by 1 count) the Plane Efficiency statistics of the basic block +// traversed by this very track. In details: +// - if a cluster can be associated to the track then call +// AliITSPlaneEff::UpDatePlaneEff(key,kTRUE); +// - if not, the AliITSPlaneEff::UpDatePlaneEff(key,kFALSE) is called +// + if(!fPlaneEff) + {AliWarning("UseTrackForPlaneEff: null pointer to AliITSPlaneEff"); return;} + AliITSlayer &layer=fgLayers[ilayer]; + Double_t r=layer.GetR(); + AliITStrackMI tmp(*track); + +// detector number + Double_t phi,z; + if (!tmp.GetPhiZat(r,phi,z)) return; + Int_t idet=layer.FindDetectorIndex(phi,z); + + if(idet<0) { AliInfo(Form("cannot find detector")); + return;} + + +//propagate to the intersection with the detector plane + const AliITSdetector &det=layer.GetDetector(idet); + if (!tmp.Propagate(det.GetPhi(),det.GetR())) return; + + +//*************** +// DEFINITION OF SEARCH ROAD FOR CLUSTERS SELECTION +// + Double_t dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()* + TMath::Sqrt(tmp.GetSigmaZ2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer)); + Double_t dy=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadY()* + TMath::Sqrt(tmp.GetSigmaY2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer)); + +// road in global (rphi,z) [i.e. in tracking ref. system] + Double_t zmin = tmp.GetZ() - dz; + Double_t zmax = tmp.GetZ() + dz; + Double_t ymin = tmp.GetY() + r*det.GetPhi() - dy; + Double_t ymax = tmp.GetY() + r*det.GetPhi() + dy; + +// select clusters in road + layer.SelectClusters(zmin,zmax,ymin,ymax); + +// Define criteria for track-cluster association + Double_t msz = tmp.GetSigmaZ2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()* + AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer); + Double_t msy = tmp.GetSigmaY2() + + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()* + AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer); + if (tmp.GetConstrain()) { + msz *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadZC(); + msy *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadYC(); + } else { + msz *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadZNonC(); + msy *= AliITSReconstructor::GetRecoParam()->GetNSigma2RoadYNonC(); } - if (points==2){ - dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2); + msz = 1./msz; // 1/RoadZ^2 + msy = 1./msy; // 1/RoadY^2 +// + + const AliITSRecPoint *cl=0; Int_t clidx=-1, ci=-1; + Int_t idetc=-1; + Double_t chi2trkcl=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(); + //Double_t tolerance=0.2; + /*while ((cl=layer.GetNextCluster(clidx))!=0) { + idetc = cl->GetDetectorIndex(); + if(idet!=idetc) continue; + //Int_t ilay = cl->GetLayer(); + + if (TMath::Abs(tmp.GetZ() - cl->GetZ()) > tolerance) continue; + if (TMath::Abs(tmp.GetY() - cl->GetY()) > tolerance) continue; + + Double_t chi2=tmp.GetPredictedChi2(cl); + if (chi2GetKeyFromDetLocCoord(ilayer,idet,locx,locz); + if(key>fPlaneEff->Nblock()) return; + Bool_t found=kFALSE; + //if (ci>=0) { + Double_t chi2; + while ((cl=layer.GetNextCluster(clidx))!=0) { + idetc = cl->GetDetectorIndex(); + if(idet!=idetc) continue; + // here real control to see whether the cluster can be associated to the track. + // cluster not associated to track + if ( (tmp.GetZ()-cl->GetZ())*(tmp.GetZ()-cl->GetZ())*msz + + (tmp.GetY()-cl->GetY())*(tmp.GetY()-cl->GetY())*msy > 1. ) continue; + // calculate track-clusters chi2 + chi2 = GetPredictedChi2MI(&tmp,cl,ilayer); // note that this method change track tmp + // in particular, the error associated to the cluster + //Double_t chi2 = tmp.GetPredictedChi(cl); // this method does not change track tmp + // chi2 cut + if (chi2 > AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) continue; + found=kTRUE; + if (chi2SetExtraCluster(ilayer,(ilayer<<28)+ci); + // track->SetExtraModule(ilayer,idetExtra); } - - distance2 = TMath::Min(delta1,delta2); - vertex->fDist2 = TMath::Sqrt(distance2); - if (distance2<100){ - if (delta1fXr); - dhelix1.GetMomentum(phase[0][0],vertex->fPdr); - mhelix.GetMomentum(phase[0][1],vertex->fPm); - dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],vertex->fAngle); - vertex->fRr = TMath::Sqrt(radius[0]); - } - else{ - dhelix1.Evaluate(phase[1][0],vertex->fXr); - dhelix1.GetMomentum(phase[1][0],vertex->fPdr); - mhelix.GetMomentum(phase[1][1],vertex->fPm); - dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],vertex->fAngle); - vertex->fRr = TMath::Sqrt(radius[1]); + if(!fPlaneEff->UpDatePlaneEff(found,key)) + AliWarning(Form("UseTrackForPlaneEff: cannot UpDate PlaneEff for key=%d",key)); + if(fPlaneEff->GetCreateHistos()&& AliITSReconstructor::GetRecoParam()->GetHistoPlaneEff()) { + Float_t tr[4]={99999.,99999.,9999.,9999.}; // initialize to high values + Float_t clu[4]={-99999.,-99999.,9999.,9999.}; // (in some cases GetCov fails) + Int_t cltype[2]={-999,-999}; + + tr[0]=locx; + tr[1]=locz; + tr[2]=TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system + tr[3]=TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is + + if (found){ + clu[0]=layer.GetCluster(ci)->GetDetLocalX(); + clu[1]=layer.GetCluster(ci)->GetDetLocalZ(); + cltype[0]=layer.GetCluster(ci)->GetNy(); + cltype[1]=layer.GetCluster(ci)->GetNz(); + + // Without the following 6 lines you would retrieve the nominal error of a cluster (e.g. for the SPD: + // X->50/sqrt(12)=14 micron Z->450/sqrt(12)= 120 micron) + // Within AliTrackerMI/AliTrackMI the error on the cluster is associated to the AliITStrackMI (fSigmaY,Z) + // It is computed properly by calling the method + // AliITStrackerMI::GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer) + // T + //Double_t x=0.5*(tmp.GetX()+layer.GetCluster(ci)->GetX()); // Take into account the mis-alignment + //if (tmp.PropagateTo(x,0.,0.)) { + chi2=GetPredictedChi2MI(&tmp,layer.GetCluster(ci),ilayer); + AliCluster c(*layer.GetCluster(ci)); + c.SetSigmaY2(tmp.GetSigmaY(ilayer)*tmp.GetSigmaY(ilayer)); + c.SetSigmaZ2(tmp.GetSigmaZ(ilayer)*tmp.GetSigmaZ(ilayer)); + //if (layer.GetCluster(ci)->GetGlobalCov(cov)) // by using this, instead, you got nominal cluster errors + clu[2]=TMath::Sqrt(c.GetSigmaY2()); + clu[3]=TMath::Sqrt(c.GetSigmaZ2()); + //} } + fPlaneEff->FillHistos(key,found,tr,clu,cltype); } - // - // - return vertex->fDist2; +return; } -