#include <TMatrixD.h>
#include <TTree.h>
#include <TDatabasePDG.h>
#include <TString.h>
#include <TRandom.h>
#include <TTreeStream.h>
#include <TVector3.h>
#include <TBits.h>
#include "AliLog.h"
#include "AliGeomManager.h"
#include "AliITSPlaneEff.h"
#include "AliTrackPointArray.h"
#include "AliESDEvent.h"
#include "AliESDV0Params.h"
#include "AliESDtrack.h"
#include "AliV0.h"
#include "AliITSChannelStatus.h"
#include "AliITSDetTypeRec.h"
#include "AliITSRecPoint.h"
#include "AliITSRecPointContainer.h"
#include "AliITSgeomTGeo.h"
#include "AliITSReconstructor.h"
#include "AliITSClusterParam.h"
#include "AliITSsegmentation.h"
#include "AliITSCalibration.h"
#include "AliITSPlaneEffSPD.h"
#include "AliITSPlaneEffSDD.h"
#include "AliITSPlaneEffSSD.h"
#include "AliITSV0Finder.h"
#include "AliITStrackerMI.h"
#include "AliMathBase.h"
#include "AliPID.h"
ClassImp(AliITStrackerMI)
AliITStrackerMI::AliITSlayer AliITStrackerMI::fgLayers[AliITSgeomTGeo::kNLayers];
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),
fFlagFakes(kFALSE),
fSelectBestMIP03(kFALSE),
fUseImproveKalman(kFALSE),
fxOverX0Pipe(-1.),
fxTimesRhoPipe(-1.),
fxOverX0PipeTrks(0),
fxTimesRhoPipeTrks(0),
fxOverX0ShieldTrks(0),
fxTimesRhoShieldTrks(0),
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
fITSChannelStatus(0),
fkDetTypeRec(0),
fPlaneEff(0),
fSPDChipIntPlaneEff(0),
fITSPid(0)
{
Int_t i;
for(i=0;i<4;i++) fSPDdetzcentre[i]=0.;
for(i=0;i<2;i++) {
fxOverX0Shield[i]=-1.;
fxTimesRhoShield[i]=-1.;
fConstraint[i]=0;
}
for(i=0;i<6;i++) {fxOverX0Layer[i]=-1.;fxTimesRhoLayer[i]=-1.;}
fOriginal.SetOwner();
for(i=0;i<AliITSgeomTGeo::kNLayers;i++)fForceSkippingOfLayer[i]=0;
for(i=0;i<100000;i++)fBestTrackIndex[i]=0;
fITSPid=new AliITSPIDResponse();
}
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),
fFlagFakes(kFALSE),
fSelectBestMIP03(kFALSE),
fUseImproveKalman(kFALSE),
fxOverX0Pipe(-1.),
fxTimesRhoPipe(-1.),
fxOverX0PipeTrks(0),
fxTimesRhoPipeTrks(0),
fxOverX0ShieldTrks(0),
fxTimesRhoShieldTrks(0),
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
fITSChannelStatus(0),
fkDetTypeRec(0),
fPlaneEff(0),
fSPDChipIntPlaneEff(0),
fITSPid(0) {
if (geom) {
AliWarning("\"geom\" is actually a dummy argument !");
}
fOriginal.SetOwner();
fCoefficients = 0;
fAfterV0 = kFALSE;
for (Int_t i=1; i<AliITSgeomTGeo::GetNLayers()+1; i++) {
Int_t nlad=AliITSgeomTGeo::GetNLadders(i);
Int_t ndet=AliITSgeomTGeo::GetNDetectors(i);
Double_t xyz[3], &x=xyz[0], &y=xyz[1], &z=xyz[2];
AliITSgeomTGeo::GetTranslation(i,1,1,xyz);
Double_t poff=TMath::ATan2(y,x);
Double_t zoff=z;
AliITSgeomTGeo::GetOrigTranslation(i,1,1,xyz);
Double_t r=TMath::Sqrt(x*x + y*y);
AliITSgeomTGeo::GetOrigTranslation(i,1,2,xyz);
r += TMath::Sqrt(x*x + y*y);
AliITSgeomTGeo::GetOrigTranslation(i,2,1,xyz);
r += TMath::Sqrt(x*x + y*y);
AliITSgeomTGeo::GetOrigTranslation(i,2,2,xyz);
r += TMath::Sqrt(x*x + y*y);
r*=0.25;
new (fgLayers+i-1) AliITSlayer(r,poff,zoff,nlad,ndet);
for (Int_t j=1; j<nlad+1; j++) {
for (Int_t k=1; k<ndet+1; k++) {
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);
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);
}
}
fForceSkippingOfLayer[i-1] = 0;
}
fI=AliITSgeomTGeo::GetNLayers();
fPass=0;
fConstraint[0]=1; fConstraint[1]=0;
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);
fLastLayerToTrackTo=AliITSRecoParam::GetLastLayerToTrackTo();
for (Int_t i=0;i<100000;i++){
fBestTrackIndex[i]=0;
}
Double_t tr[3];
AliITSgeomTGeo::GetTranslation(1,1,1,tr);
if (tr[2]<0) {
AliITSgeomTGeo::GetTranslation(1,1,1,tr);
fSPDdetzcentre[0] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,2,tr);
fSPDdetzcentre[1] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,3,tr);
fSPDdetzcentre[2] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,4,tr);
fSPDdetzcentre[3] = tr[2];
} else {
AliITSgeomTGeo::GetTranslation(1,1,4,tr);
fSPDdetzcentre[0] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,3,tr);
fSPDdetzcentre[1] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,2,tr);
fSPDdetzcentre[2] = tr[2];
AliITSgeomTGeo::GetTranslation(1,1,1,tr);
fSPDdetzcentre[3] = tr[2];
}
fUseTGeo = AliITSReconstructor::GetRecoParam()->GetUseTGeoInTracker();
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.;}
if (AliITSReconstructor::GetRecoParam()->GetESDV0Params()->StreamLevel()>0)
fDebugStreamer = new TTreeSRedirector("ITSdebug.root");
if (AliITSReconstructor::GetRecoParam()->GetComputePlaneEff() &&
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()>=0) {
Int_t iplane=AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff();
if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(iplane)!=1)
AliWarning(Form("Evaluation of Plane Eff for layer %d will be attempted without removing it from tracker",iplane));
if (iplane<2) {
fPlaneEff = new AliITSPlaneEffSPD();
fSPDChipIntPlaneEff = new Bool_t[AliITSPlaneEffSPD::kNModule*AliITSPlaneEffSPD::kNChip];
for (UInt_t i=0; i<AliITSPlaneEffSPD::kNModule*AliITSPlaneEffSPD::kNChip; i++) fSPDChipIntPlaneEff[i]=kFALSE;
}
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);
}
fSelectBestMIP03 = kFALSE;
fFlagFakes = AliITSReconstructor::GetRecoParam()->GetFlagFakes();
fUseImproveKalman = AliITSReconstructor::GetRecoParam()->GetUseImproveKalman();
fITSPid=new AliITSPIDResponse();
}
AliITStrackerMI::~AliITStrackerMI()
{
if (fCoefficients) delete [] fCoefficients;
DeleteTrksMaterialLUT();
if (fDebugStreamer) {
delete fDebugStreamer;
}
if(fITSChannelStatus) delete fITSChannelStatus;
if(fPlaneEff) delete fPlaneEff;
if(fITSPid) delete fITSPid;
if (fSPDChipIntPlaneEff) delete [] fSPDChipIntPlaneEff;
}
void AliITStrackerMI::ReadBadFromDetTypeRec() {
if(!AliITSReconstructor::GetRecoParam()->GetUseBadZonesFromOCDB()) return;
Info("ReadBadFromDetTypeRec","Reading info about bad ITS detectors and channels");
if(!fkDetTypeRec) Error("ReadBadFromDetTypeRec","AliITSDetTypeRec nof found!\n");
if(fITSChannelStatus) delete fITSChannelStatus;
fITSChannelStatus = new AliITSChannelStatus(fkDetTypeRec);
Int_t i=0,j=0,k=0,ndet=0;
for (i=1; i<AliITSgeomTGeo::GetNLayers()+1; i++) {
Int_t nBadDetsPerLayer=0;
ndet=AliITSgeomTGeo::GetNDetectors(i);
for (j=1; j<AliITSgeomTGeo::GetNLadders(i)+1; j++) {
for (k=1; k<ndet+1; k++) {
AliITSdetector &det=fgLayers[i-1].GetDetector((j-1)*ndet + k-1);
det.ReadBadDetectorAndChips(i-1,(j-1)*ndet + k-1,fkDetTypeRec);
if(det.IsBad()) {nBadDetsPerLayer++;}
}
}
AliInfo(Form("Layer %d: %d bad out of %d",i-1,nBadDetsPerLayer,ndet*AliITSgeomTGeo::GetNLadders(i)));
}
return;
}
Int_t AliITStrackerMI::LoadClusters(TTree *cTree) {
TClonesArray *clusters = NULL;
AliITSRecPointContainer* rpcont=AliITSRecPointContainer::Instance();
clusters=rpcont->FetchClusters(0,cTree);
if(!clusters) return 1;
if(!(rpcont->IsSPDActive() || rpcont->IsSDDActive() || rpcont->IsSSDActive())){
AliError("ITS is not in a known running configuration: SPD, SDD and SSD are not active");
return 1;
}
Int_t i=0,j=0,ndet=0;
Int_t detector=0;
for (i=0; i<AliITSgeomTGeo::GetNLayers(); i++) {
ndet=fgLayers[i].GetNdetectors();
Int_t jmax = j + fgLayers[i].GetNladders()*ndet;
for (; j<jmax; j++) {
clusters = rpcont->UncheckedGetClusters(j);
if(!clusters)continue;
Int_t ncl=clusters->GetEntriesFast();
SignDeltas(clusters,GetZ());
while (ncl--) {
AliITSRecPoint *c=(AliITSRecPoint*)clusters->UncheckedAt(ncl);
detector=c->GetDetectorIndex();
if (!c->Misalign()) AliWarning("Can't misalign this cluster !");
Int_t retval = fgLayers[i].InsertCluster(new AliITSRecPoint(*c));
if(retval) {
AliWarning(Form("Too many clusters on layer %d!",i));
break;
}
}
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.;
Float_t hit[6] = {xdead,
0.,
static_cast<Float_t>(AliITSReconstructor::GetRecoParam()->GetSigmaXDeadZoneHit2()),
static_cast<Float_t>(AliITSReconstructor::GetRecoParam()->GetSigmaZDeadZoneHit2()),
q,
0.};
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])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
hit[1] = fSPDdetzcentre[1]-0.5*AliITSRecoParam::GetSPDdetzlength();
if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
hit[1] = fSPDdetzcentre[1]+0.5*AliITSRecoParam::GetSPDdetzlength();
if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
hit[1] = fSPDdetzcentre[2]-0.5*AliITSRecoParam::GetSPDdetzlength();
if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
hit[1] = fSPDdetzcentre[2]+0.5*AliITSRecoParam::GetSPDdetzlength();
if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
hit[1] = fSPDdetzcentre[3]-0.5*AliITSRecoParam::GetSPDdetzlength();
if (TMath::Abs(fgLayers[i].GetDetector(detector).GetZmax()-hit[1])<zwindow)
fgLayers[i].InsertCluster(new AliITSRecPoint(lab,hit,info,local));
}
}
}
fgLayers[i].ResetRoad();
fgLayers[i].SortClusters();
}
SetForceSkippingOfLayer();
return 0;
}
void AliITStrackerMI::UnloadClusters() {
for (Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) fgLayers[i].ResetClusters();
}
void AliITStrackerMI::FillClusterArray(TObjArray* array) const {
for(Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) {
for(Int_t icl=0; icl<fgLayers[i].GetNumberOfClusters(); icl++) {
AliCluster *cl = (AliCluster*)fgLayers[i].GetCluster(icl);
array->AddLast(cl);
}
}
return;
}
Int_t AliITStrackerMI::CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t) {
if (t->GetX() > AliITSRecoParam::Getriw()) {
if (!t->PropagateToTGeo(AliITSRecoParam::Getriw(),1)) return 0;
if (!t->PropagateToTGeo(AliITSRecoParam::Getrcd(),1)) return 0;
if (!t->PropagateToTGeo(AliITSRecoParam::Getrs(),1)) return 0;
} else if (t->GetX() < AliITSRecoParam::Getrs()) {
if (!t->PropagateToTGeo(AliITSRecoParam::Getrs(),1)) return 0;
if (!t->PropagateToTGeo(AliITSRecoParam::Getrcd(),1)) return 0;
if (!t->PropagateToTGeo(AliITSRecoParam::Getriw()+0.001,1)) return 0;
} else {
printf("CorrectForTPCtoITSDeadZoneMaterial: Track is already in the dead zone !\n");
return 0;
}
return 1;
}
Int_t AliITStrackerMI::Clusters2Tracks(AliESDEvent *event) {
AliDebug(2,Form("SKIPPING %d %d %d %d %d %d",ForceSkippingOfLayer(0),ForceSkippingOfLayer(1),ForceSkippingOfLayer(2),ForceSkippingOfLayer(3),ForceSkippingOfLayer(4),ForceSkippingOfLayer(5)));
fTrackingPhase="Clusters2Tracks";
fSelectBestMIP03 = kFALSE;
fFlagFakes = AliITSReconstructor::GetRecoParam()->GetFlagFakes();
fUseImproveKalman = AliITSReconstructor::GetRecoParam()->GetUseImproveKalman();
TObjArray itsTracks(15000);
fOriginal.Clear();
fEsd = event;
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);
}
}
Int_t noesd = 0;
{
Int_t nentr=event->GetNumberOfTracks();
noesd=nentr;
while (nentr--) {
AliESDtrack *esd=event->GetTrack(nentr);
if ((esd->GetStatus()&AliESDtrack::kTPCin)==0) continue;
if (esd->GetStatus()&AliESDtrack::kTPCout) continue;
if (esd->GetStatus()&AliESDtrack::kITSin) continue;
if (esd->GetKinkIndex(0)>0) continue;
AliITStrackMI *t = new AliITStrackMI(*esd);
t->GetDZ(GetX(),GetY(),GetZ(),t->GetDP());
Double_t vdist = TMath::Sqrt(t->GetD(0)*t->GetD(0)+t->GetD(1)*t->GetD(1));
t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
if (esd->GetV0Index(0)>0 && t->GetD(0)<AliITSReconstructor::GetRecoParam()->GetMaxDforV0dghtrForProlongation()){
} 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()<AliITSReconstructor::GetRecoParam()->GetMinPtForProlongation()) {
delete t;
continue;
}
if (!CorrectForTPCtoITSDeadZoneMaterial(t)) {
delete t;
continue;
}
}
t->SetReconstructed(kFALSE);
itsTracks.AddLast(t);
fOriginal.AddLast(t);
}
}
itsTracks.Sort();
fOriginal.Sort();
Int_t nentr=itsTracks.GetEntriesFast();
fTrackHypothesys.Expand(nentr);
fBestHypothesys.Expand(nentr);
MakeCoefficients(nentr);
if(fUseTGeo==3 || fUseTGeo==4) MakeTrksMaterialLUT(event->GetNumberOfTracks());
Int_t ntrk=0;
for (fPass=0; fPass<2; fPass++) {
Int_t &constraint=fConstraint[fPass]; if (constraint<0) continue;
for (fCurrentEsdTrack=0; fCurrentEsdTrack<nentr; fCurrentEsdTrack++) {
AliITStrackMI *t=(AliITStrackMI*)itsTracks.UncheckedAt(fCurrentEsdTrack);
if (t==0) continue;
if (t->GetReconstructed()&&(t->GetNUsed()<1.5)) continue;
Float_t dz[2]; t->GetDZ(GetX(),GetY(),GetZ(),dz);
if (fConstraint[fPass]) {
if (TMath::Abs(dz[0])>AliITSReconstructor::GetRecoParam()->GetMaxDZToUseConstraint() ||
TMath::Abs(dz[1])>AliITSReconstructor::GetRecoParam()->GetMaxDZToUseConstraint()) continue;
}
Int_t tpcLabel=t->GetLabel();
AliDebug(2,Form("LABEL %d pass %d",tpcLabel,fPass));
fI = 6;
ResetTrackToFollow(*t);
ResetBestTrack();
FollowProlongationTree(t,fCurrentEsdTrack,fConstraint[fPass]);
SortTrackHypothesys(fCurrentEsdTrack,20,0);
AliITStrackMI *besttrack = GetBestHypothesys(fCurrentEsdTrack,t,15);
if (!besttrack) continue;
besttrack->SetLabel(tpcLabel);
CookdEdx(besttrack);
besttrack->SetFakeRatio(1.);
CookLabel(besttrack,0.);
UpdateESDtrack(besttrack,AliESDtrack::kITSin);
t->SetWinner(besttrack);
if (fConstraint[fPass]&&(!besttrack->IsGoldPrimary())) continue;
t->SetReconstructed(kTRUE);
ntrk++;
AliDebug(2,Form("TRACK! (label %d) ncls %d",besttrack->GetLabel(),besttrack->GetNumberOfClusters()));
}
GetBestHypothesysMIP(itsTracks);
}
if (fFlagFakes) FlagFakes(itsTracks);
if(event->GetNumberOfV0s()>0) AliITSV0Finder::UpdateTPCV0(event,this);
if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::FindV02(event,this);
fAfterV0 = kTRUE;
itsTracks.Clear();
Int_t entries = fTrackHypothesys.GetEntriesFast();
for (Int_t ientry=0; ientry<entries; ientry++) {
TObjArray * array =(TObjArray*)fTrackHypothesys.At(ientry);
if (array) array->Delete();
delete fTrackHypothesys.RemoveAt(ientry);
}
fTrackHypothesys.Delete();
entries = fBestHypothesys.GetEntriesFast();
for (Int_t ientry=0; ientry<entries; ientry++) {
TObjArray * array =(TObjArray*)fBestHypothesys.At(ientry);
if (array) array->Delete();
delete fBestHypothesys.RemoveAt(ientry);
}
fBestHypothesys.Delete();
fOriginal.Clear();
delete [] fCoefficients;
fCoefficients=0;
DeleteTrksMaterialLUT();
AliInfo(Form("Number of prolonged tracks: %d out of %d ESD tracks",ntrk,noesd));
fTrackingPhase="Default";
return 0;
}
Int_t AliITStrackerMI::PropagateBack(AliESDEvent *event) {
fTrackingPhase="PropagateBack";
Int_t nentr=event->GetNumberOfTracks();
double bz0 = GetBz();
const double kWatchStep=10.;
Int_t ntrk=0;
for (Int_t i=0; i<nentr; i++) {
AliESDtrack *esd=event->GetTrack(i);
if (esd->GetStatus()&AliESDtrack::kITSout) continue;
AliITStrackMI t(*esd);
Double_t xyzTrk[3],xyzVtx[3]={GetX(),GetY(),GetZ()};
t.GetXYZ(xyzTrk);
Double_t dst2 = 0.;
{
double dxs = xyzTrk[0] - xyzVtx[0];
double dys = xyzTrk[1] - xyzVtx[1];
double dzs = xyzTrk[2] - xyzVtx[2];
dst2 = dxs*dxs + dys*dys;
if (dst2 > kWatchStep*kWatchStep) {
double crv = TMath::Abs(esd->GetC(bz0));
double fcarc = 1.+crv*crv*dst2/6.;
dst2 *= fcarc*fcarc;
}
dst2 += dzs*dzs;
}
t.StartTimeIntegral();
t.AddTimeStep(TMath::Sqrt(dst2));
esd->SetStatus(AliESDtrack::kTIME);
Double_t times[AliPID::kSPECIESC];
t.GetIntegratedTimes(times,AliPID::kSPECIESC);
esd->SetIntegratedTimes(times);
esd->SetIntegratedLength(t.GetIntegratedLength());
if ((esd->GetStatus()&AliESDtrack::kITSin)==0) continue;
t.SetExpQ(TMath::Max(0.8*t.GetESDtrack()->GetTPCsignal(),30.));
ResetTrackToFollow(t);
fTrackToFollow.ResetCovariance(10.); fTrackToFollow.ResetClusters();
if (RefitAt(AliITSRecoParam::GetrInsideITSscreen(),&fTrackToFollow,&t)) {
if (!CorrectForTPCtoITSDeadZoneMaterial(&fTrackToFollow)) continue;
CookLabel(&fTrackToFollow,0.);
fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSout);
ntrk++;
}
}
AliInfo(Form("Number of back propagated ITS tracks: %d out of %d ESD tracks",ntrk,nentr));
fTrackingPhase="Default";
return 0;
}
Int_t AliITStrackerMI::RefitInward(AliESDEvent *event) {
fTrackingPhase="RefitInward";
if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::RefitV02(event,this);
Bool_t doExtra=AliITSReconstructor::GetRecoParam()->GetSearchForExtraClusters();
if(!doExtra) AliDebug(2,"Do not search for extra clusters");
Int_t nentr=event->GetNumberOfTracks();
if( AliITSReconstructor::GetRecoParam()->GetComputePlaneEff() &&
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()>=0 &&
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()<2) {
for (UInt_t i=0; i<AliITSPlaneEffSPD::kNModule*AliITSPlaneEffSPD::kNChip; i++) fSPDChipIntPlaneEff[i]=kFALSE;
}
Int_t ntrk=0;
for (Int_t i=0; i<nentr; i++) {
AliESDtrack *esd=event->GetTrack(i);
if ((esd->GetStatus()&AliESDtrack::kITSout) == 0) continue;
if (esd->GetStatus()&AliESDtrack::kITSrefit) continue;
if (esd->GetStatus()&AliESDtrack::kTPCout)
if ((esd->GetStatus()&AliESDtrack::kTPCrefit)==0) continue;
AliITStrackMI *t = new AliITStrackMI(*esd);
t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
if (!CorrectForTPCtoITSDeadZoneMaterial(t)) {
delete t;
continue;
}
ResetTrackToFollow(*t);
fTrackToFollow.ResetClusters();
if ((esd->GetStatus()&AliESDtrack::kTPCin)==0) {
fTrackToFollow.ResetCovariance(10.);
if(TMath::Abs(fTrackToFollow.GetY())>1000. ||
TMath::Abs(fTrackToFollow.GetZ())>1000.) {
delete t;
continue;
}
}
Bool_t pe=(AliITSReconstructor::GetRecoParam()->GetComputePlaneEff() &&
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()>=0);
AliDebug(2,Form("Refit LABEL %d %d",t->GetLabel(),t->GetNumberOfClusters()));
if (RefitAt(AliITSRecoParam::GetrInsideSPD1(),&fTrackToFollow,t,doExtra,pe)) {
AliDebug(2," refit OK");
fTrackToFollow.SetLabel(t->GetLabel());
CookdEdx(&fTrackToFollow);
CookLabel(&fTrackToFollow,0.0);
if (CorrectForPipeMaterial(&fTrackToFollow,"inward")) {
fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSrefit);
AliESDtrack *esdTrack =fTrackToFollow.GetESDtrack();
Double_t r[3]={0.,0.,0.};
Double_t maxD=3.;
esdTrack->RelateToVertex(event->GetVertex(),GetBz(r),maxD);
ntrk++;
}
}
delete t;
}
AliInfo(Form("Number of refitted tracks: %d out of %d ESD tracks",ntrk,nentr));
fTrackingPhase="Default";
return 0;
}
AliCluster *AliITStrackerMI::GetCluster(Int_t index) const {
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
return fgLayers[l].GetCluster(c);
}
Bool_t AliITStrackerMI::GetTrackPoint(Int_t index, AliTrackPoint& p) const {
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());
p.SetChargeRatio(cl->GetChargeRatio());
p.SetClusterType(cl->GetClusterType());
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) {
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);
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+cl->GetX(),GetBz()));
phi += alpha-det.GetPhi();
Float_t tgphi = TMath::Tan(phi);
Float_t tgl = t->GetTgl();
Float_t expQ = TMath::Max(0.8*t->GetTPCsignal(),30.);
Float_t errtrky,errtrkz,covyz;
Bool_t addMisalErr=kFALSE;
AliITSClusterParam::GetError(l,cl,tgl,tgphi,expQ,errtrky,errtrkz,covyz,addMisalErr);
Float_t xyz[3];
Float_t cov[6];
cl->GetGlobalXYZ(xyz);
Float_t pos[3] = {0.,0.,0.};
AliCluster tmpcl((UShort_t)cl->GetVolumeId(),pos[0],pos[1],pos[2],errtrky*errtrky,errtrkz*errtrkz,covyz);
tmpcl.GetGlobalCov(cov);
p.SetXYZ(xyz, cov);
p.SetCharge(cl->GetQ());
p.SetDriftTime(cl->GetDriftTime());
p.SetChargeRatio(cl->GetChargeRatio());
p.SetClusterType(cl->GetClusterType());
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)
{
Double_t xyzVtx[]={GetX(),GetY(),GetZ()};
Double_t ersVtx[]={GetSigmaX(),GetSigmaY(),GetSigmaZ()};
AliESDtrack * esd = otrack->GetESDtrack();
if (esd->GetV0Index(0)>0) {
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;
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);
bestarray->SetOwner();
fBestHypothesys.AddAt(bestarray,esdindex);
}
const int kMaxTr = 100;
static AliITStrackMI tracks[7][kMaxTr];
AliITStrackMI *currenttrack;
static AliITStrackMI currenttrack1;
static AliITStrackMI currenttrack2;
static AliITStrackMI backuptrack;
Int_t ntracks[7];
Int_t nindexes[7][kMaxTr];
Float_t normalizedchi2[kMaxTr];
for (Int_t ilayer=0;ilayer<6;ilayer++) ntracks[ilayer]=0;
otrack->SetNSkipped(0);
new (&(tracks[6][0])) AliITStrackMI(*otrack);
ntracks[6]=1;
for (Int_t i=0;i<7;i++) nindexes[i][0]=0;
Int_t modstatus = 1;
Float_t xloc,zloc;
for (Int_t ilayer=5; ilayer>=0; ilayer--) {
AliDebug(2,Form("FollowProlongationTree: layer %d",ilayer));
fI = ilayer;
AliITSlayer &layer=fgLayers[ilayer];
Double_t r = layer.GetR();
ntracks[ilayer]=0;
Int_t nskipped=0;
Float_t nused =0;
for (Int_t itrack =0; itrack<ntracks[ilayer+1]; itrack++) {
if (ntracks[ilayer]>=kMaxTr) break;
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]].GetNSkipped()>0 && nskipped>4+ilayer) continue;
if (itrack>1&&tracks[ilayer+1][nindexes[ilayer+1][itrack]].GetNUsed()>2. && nused>3) continue;
}
new(¤ttrack1) AliITStrackMI(tracks[ilayer+1][nindexes[ilayer+1][itrack]]);
if (ilayer==3)
if(!CorrectForShieldMaterial(¤ttrack1,"SDD","inward")) continue;
if (ilayer==1)
if(!CorrectForShieldMaterial(¤ttrack1,"SPD","inward")) continue;
Double_t phi,z;
if (!currenttrack1.GetPhiZat(r,phi,z)) continue;
Int_t idet=layer.FindDetectorIndex(phi,z);
Double_t trackGlobXYZ1[3];
if (!currenttrack1.GetXYZ(trackGlobXYZ1)) continue;
Double_t budgetToPrimVertex = 0;
double xMSLrs[9],x2X0MSLrs[9];
int nMSLrs = 0;
if (fUseImproveKalman) nMSLrs = GetEffectiveThicknessLbyL(xMSLrs,x2X0MSLrs);
else budgetToPrimVertex = GetEffectiveThickness();
Int_t skip = CheckSkipLayer(¤ttrack1,ilayer,idet);
if (skip) {
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
Double_t xToGo; if (!vtrack->GetLocalXat(r,xToGo)) continue;
if(!vtrack->Propagate(xToGo)) continue;
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1);
vtrack->SetDeadZoneProbability(ilayer,1.);
vtrack->SetClIndex(ilayer,-1);
modstatus = (skip==1 ? 3 : 4);
if(LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc)) {
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
if(constrain && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
fUseImproveKalman ?
vtrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
ntracks[ilayer]++;
continue;
}
if (idet<0) continue;
const AliITSdetector &det=layer.GetDetector(idet);
new(¤ttrack2) AliITStrackMI(currenttrack1);
if (!currenttrack1.Propagate(det.GetPhi(),det.GetR())) continue;
if (!currenttrack2.Propagate(det.GetPhi(),det.GetR())) continue;
currenttrack1.SetDetectorIndex(idet);
currenttrack2.SetDetectorIndex(idet);
if(!LocalModuleCoord(ilayer,idet,¤ttrack1,xloc,zloc)) continue;
Double_t zmin,zmax,ymin,ymax;
if (!ComputeRoad(¤ttrack1,ilayer,idet,zmin,zmax,ymin,ymax)) continue;
layer.SelectClusters(zmin,zmax,ymin,ymax);
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;
msy = 1./msy;
const AliITSRecPoint *cl=0;
Int_t clidx=-1;
Double_t chi2trkcl=AliITSReconstructor::GetRecoParam()->GetMaxChi2();
Bool_t deadzoneSPD=kFALSE;
currenttrack = ¤ttrack1;
Bool_t noClusters = kFALSE;
if (!layer.GetNextCluster(clidx,kTRUE)) noClusters=kTRUE;
if (noClusters) AliDebug(2,"no clusters in road");
Double_t dz=0.5*(zmax-zmin);
Double_t dy=0.5*(ymax-ymin);
Int_t dead = CheckDeadZone(¤ttrack1,ilayer,idet,dz,dy,noClusters);
if(dead) AliDebug(2,Form("DEAD (%d)\n",dead));
if (dead ||
(noClusters &&
AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad())) {
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,-1);
if (dead==0) {
modstatus = 5;
} else if (dead==1) {
modstatus = 7;
} else if (dead==2 || dead==3 || dead==4) {
modstatus = 2;
}
updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
CorrectForLayerMaterial(updatetrack,ilayer,trackGlobXYZ1,"inward");
if (constrain) {
updatetrack->SetConstrain(constrain);
Bool_t isPrim = kTRUE;
if (ilayer<4) {
updatetrack->GetDZ(GetX(),GetY(),GetZ(),updatetrack->GetDP());
if (TMath::Abs(updatetrack->GetD(0)/(1.+ilayer)) >
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk() ||
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) >
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
fUseImproveKalman ?
updatetrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
}
updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
if (dead) {
if (dead==1) {
updatetrack->SetDeadZoneProbability(ilayer,GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
deadzoneSPD=kTRUE;
} else if (dead==2 || dead==3) {
updatetrack->SetDeadZoneProbability(ilayer,1.);
} else if (dead==4) {
updatetrack->SetDeadZoneProbability(ilayer,0.);
}
}
ntracks[ilayer]++;
}
clidx=-1;
while ((cl=layer.GetNextCluster(clidx))!=0) {
if (ntracks[ilayer]>int(0.95*kMaxTr)) break;
Bool_t changedet =kFALSE;
if (TMath::Abs(cl->GetQ())<1.e-13 && deadzoneSPD==kTRUE) continue;
Int_t idetc=cl->GetDetectorIndex();
if (currenttrack->GetDetectorIndex()==idetc) {
Double_t xTrOrig = currenttrack->GetX();
if (!currenttrack->Propagate(xTrOrig+cl->GetX())) continue;
if ( (currenttrack->GetZ()-cl->GetZ())*(currenttrack->GetZ()-cl->GetZ())*msz +
(currenttrack->GetY()-cl->GetY())*(currenttrack->GetY()-cl->GetY())*msy > 1. )
{
AliDebug(2,"not associated");
currenttrack->Propagate(xTrOrig);
continue;
}
if (!currenttrack->Propagate(xTrOrig)) continue;
} else {
const AliITSdetector &detc=layer.GetDetector(idetc);
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;
new (&backuptrack) AliITStrackMI(currenttrack2);
changedet = kTRUE;
currenttrack =¤ttrack2;
if (!currenttrack->Propagate(detc.GetPhi(),detc.GetR())) {
new (currenttrack) AliITStrackMI(backuptrack);
changedet = kFALSE;
continue;
}
currenttrack->SetDetectorIndex(idetc);
}
chi2trkcl = GetPredictedChi2MI(currenttrack,cl,ilayer);
AliDebug(2,Form("chi2 %f max %f",chi2trkcl,AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)));
if (chi2trkcl < AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) {
if (TMath::Abs(cl->GetQ())<1.e-13) deadzoneSPD=kTRUE;
if (ntracks[ilayer]>=kMaxTr) continue;
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,-1);
if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack);
if (TMath::Abs(cl->GetQ())>1.e-13) {
if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) {
AliDebug(2,"update failed");
continue;
}
updatetrack->SetSampledEdx(cl->GetQ(),ilayer-2);
modstatus = 1;
} else {
updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
updatetrack->SetDeadZoneProbability(ilayer,GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
modstatus = 7;
}
if (changedet) {
Float_t xlocnewdet,zlocnewdet;
if(LocalModuleCoord(ilayer,idet,updatetrack,xlocnewdet,zlocnewdet)) {
updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xlocnewdet,zlocnewdet);
}
} else {
updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
if (cl->IsUsed()) updatetrack->IncrementNUsed();
CorrectForLayerMaterial(updatetrack,ilayer,trackGlobXYZ1,"inward");
if (constrain) {
updatetrack->SetConstrain(constrain);
Bool_t isPrim = kTRUE;
if (ilayer<4) {
updatetrack->GetDZ(GetX(),GetY(),GetZ(),updatetrack->GetDP());
if (TMath::Abs(updatetrack->GetD(0)/(1.+ilayer)) >
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk() ||
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) >
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
fUseImproveKalman ?
updatetrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
}
ntracks[ilayer]++;
}
else {
AliDebug(2,"chi2 too large");
}
}
if (constrain && itrack<=1 && TMath::Abs(currenttrack1.GetNSkipped())<1.e-13 && deadzoneSPD==kFALSE && ntracks[ilayer]<kMaxTr) {
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetClIndex(ilayer,-1);
modstatus = 3;
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
if(AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
fUseImproveKalman ?
vtrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
vtrack->IncrementNSkipped();
ntracks[ilayer]++;
}
}
Int_t accepted=0;
Int_t golden=0;
for (Int_t itrack=0;itrack<ntracks[ilayer];itrack++){
normalizedchi2[itrack] = NormalizedChi2(&tracks[ilayer][itrack],ilayer);
if (normalizedchi2[itrack] <
AliITSReconstructor::GetRecoParam()->GetMaxNormChi2ForGolden(ilayer)) golden++;
if (ilayer>4) {
accepted++;
} else {
if (constrain) {
if (normalizedchi2[itrack]<AliITSReconstructor::GetRecoParam()->GetMaxNormChi2C(ilayer)+1)
accepted++;
} else {
if (normalizedchi2[itrack]<AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonC(ilayer)+1)
accepted++;
}
}
}
TMath::Sort(ntracks[ilayer],normalizedchi2,nindexes[ilayer],kFALSE);
ntracks[ilayer] = TMath::Min(accepted,7+2*ilayer);
if (ntracks[ilayer]<golden+2+ilayer) ntracks[ilayer]=TMath::Min(golden+2+ilayer,accepted);
if (ntracks[ilayer]>int(kMaxTr*0.9)) ntracks[ilayer]=int(kMaxTr*0.9);
}
Int_t max = constrain ? 20 : 5;
for (Int_t i=0; i<TMath::Min(max,ntracks[0]); i++) {
AliITStrackMI & track= tracks[0][nindexes[0][i]];
if (track.GetNumberOfClusters()<2) continue;
if (!constrain && track.GetNormChi2(0) >
AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonCForHypothesis()) {
continue;
}
AddTrackHypothesys(new AliITStrackMI(track), esdindex);
}
for (Int_t i=0;i<TMath::Min(2,ntracks[1]);i++) {
AliITStrackMI & track= tracks[1][nindexes[1][i]];
if (track.GetNumberOfClusters()<4) continue;
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 AliITStrackMI(track), esdindex);
}
if (!constrain){
for (Int_t i=0;i<TMath::Min(2,ntracks[2]);i++) {
AliITStrackMI & track= tracks[2][nindexes[2][i]];
if (track.GetNumberOfClusters()<3) continue;
if (track.GetNormChi2(2) >
AliITSReconstructor::GetRecoParam()->GetMaxNormChi2NonCForHypothesis()) continue;
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 AliITStrackMI(track), esdindex);
}
}
if (!constrain) {
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);
}
}
if (otrack->GetESDtrack()->GetV0Index(0)>0){
Float_t fprimvertex[3]={static_cast<Float_t>(GetX()),static_cast<Float_t>(GetY()),static_cast<Float_t>(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;
if (otrack->GetSign()>0) {
vertex->SetIndex(0,esdindex);
}
else{
vertex->SetIndex(1,esdindex);
}
Double_t xrp[3]; vertex->GetXYZ(xrp[0],xrp[1],xrp[2]);
Int_t nearestold = GetNearestLayer(xrp);
Int_t nearest = nearestold;
for (Int_t ilayer =nearest;ilayer<7;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);
if (track.GetNumberOfClusters()>2) AddTrackHypothesys(new AliITStrackMI(track), esdindex);
}else{
vertex->SetParamN(track);
vertex->Update(fprimvertex);
if (track.GetNumberOfClusters()>2) AddTrackHypothesys(new AliITStrackMI(track), esdindex);
}
vertex->SetStatus(vertex->GetStatus()+1);
}else{
}
}
}
}
}
AliITStrackerMI::AliITSlayer & AliITStrackerMI::GetLayer(Int_t layer) const
{
return fgLayers[layer];
}
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),
fZmin(0),
fZmax(0),
fYmin(0),
fYmax(0),
fI(0),
fImax(0),
fSkip(0),
fAccepted(0),
fRoad(0),
fMaxSigmaClY(0),
fMaxSigmaClZ(0),
fNMaxSigmaCl(3)
{
for (Int_t i=0; i<AliITSRecoParam::GetMaxClusterPerLayer(); i++) {
fClusterWeight[i]=0;
fClusterTracks[0][i]=-1;
fClusterTracks[1][i]=-1;
fClusterTracks[2][i]=-1;
fClusterTracks[3][i]=-1;
fY[i]=0;
fZ[i]=0;
}
fYB[0]=0;
fYB[1]=0;
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer5; j++) {
for (Int_t j1=0; j1<6; j1++) {
fClusters5[j1][j]=0;
fClusterIndex5[j1][j]=-1;
fY5[j1][j]=0;
fZ5[j1][j]=0;
fN5[j1]=0;
fBy5[j1][0]=0;
fBy5[j1][1]=0;
}
}
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer10; j++) {
for (Int_t j1=0; j1<11; j1++) {
fClusters10[j1][j]=0;
fClusterIndex10[j1][j]=-1;
fY10[j1][j]=0;
fZ10[j1][j]=0;
fN10[j1]=0;
fBy10[j1][0]=0;
fBy10[j1][1]=0;
}
}
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer20; j++) {
for (Int_t j1=0; j1<21; j1++) {
fClusters20[j1][j]=0;
fClusterIndex20[j1][j]=-1;
fY20[j1][j]=0;
fZ20[j1][j]=0;
fN20[j1]=0;
fBy20[j1][0]=0;
fBy20[j1][1]=0;
}
}
for(Int_t i=0;i<AliITSRecoParam::kMaxClusterPerLayer;i++){
fClusters[i]=NULL;
fClusterIndex[i]=0;
}
}
AliITStrackerMI::AliITSlayer::
AliITSlayer(Double_t r,Double_t p,Double_t z,Int_t nl,Int_t nd):
fR(r),
fPhiOffset(p),
fNladders(nl),
fZOffset(z),
fNdetectors(nd),
fDetectors(0),
fN(0),
fDy5(0),
fDy10(0),
fDy20(0),
fClustersCs(0),
fClusterIndexCs(0),
fYcs(0),
fZcs(0),
fNcs(0),
fCurrentSlice(-1),
fZmin(0),
fZmax(0),
fYmin(0),
fYmax(0),
fI(0),
fImax(0),
fSkip(0),
fAccepted(0),
fRoad(0),
fMaxSigmaClY(0),
fMaxSigmaClZ(0),
fNMaxSigmaCl(3) {
fDetectors=new AliITSdetector[fNladders*fNdetectors];
fRoad=2*fR*TMath::Sqrt(TMath::Pi()/1.);
for (Int_t i=0; i<AliITSRecoParam::GetMaxClusterPerLayer(); i++) {
fClusterWeight[i]=0;
fClusterTracks[0][i]=-1;
fClusterTracks[1][i]=-1;
fClusterTracks[2][i]=-1;
fClusterTracks[3][i]=-1;
fY[i]=0;
fZ[i]=0;
}
fYB[0]=0;
fYB[1]=0;
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer5; j++) {
for (Int_t j1=0; j1<6; j1++) {
fClusters5[j1][j]=0;
fClusterIndex5[j1][j]=-1;
fY5[j1][j]=0;
fZ5[j1][j]=0;
fN5[j1]=0;
fBy5[j1][0]=0;
fBy5[j1][1]=0;
}
}
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer10; j++) {
for (Int_t j1=0; j1<11; j1++) {
fClusters10[j1][j]=0;
fClusterIndex10[j1][j]=-1;
fY10[j1][j]=0;
fZ10[j1][j]=0;
fN10[j1]=0;
fBy10[j1][0]=0;
fBy10[j1][1]=0;
}
}
for (Int_t j=0; j<AliITSRecoParam::kMaxClusterPerLayer20; j++) {
for (Int_t j1=0; j1<21; j1++) {
fClusters20[j1][j]=0;
fClusterIndex20[j1][j]=-1;
fY20[j1][j]=0;
fZ20[j1][j]=0;
fN20[j1]=0;
fBy20[j1][0]=0;
fBy20[j1][1]=0;
}
}
for(Int_t i=0;i<AliITSRecoParam::kMaxClusterPerLayer;i++){
fClusters[i]=NULL;
fClusterIndex[i]=0;
}
}
AliITStrackerMI::AliITSlayer::~AliITSlayer() {
delete [] fDetectors;
for (Int_t i=0; i<fN; i++) delete fClusters[i];
for (Int_t i=0; i<AliITSRecoParam::GetMaxClusterPerLayer(); i++) {
fClusterWeight[i]=0;
fClusterTracks[0][i]=-1;
fClusterTracks[1][i]=-1;
fClusterTracks[2][i]=-1;
fClusterTracks[3][i]=-1;
}
}
void AliITStrackerMI::AliITSlayer::ResetClusters() {
for (Int_t i=0; i<fN; i++) delete fClusters[i];
for (Int_t i=0; i<AliITSRecoParam::GetMaxClusterPerLayer(); i++){
fClusterWeight[i]=0;
fClusterTracks[0][i]=-1;
fClusterTracks[1][i]=-1;
fClusterTracks[2][i]=-1;
fClusterTracks[3][i]=-1;
}
fN=0;
fI=0;
}
void AliITStrackerMI::AliITSlayer::ResetWeights() {
for (Int_t i=0; i<AliITSRecoParam::GetMaxClusterPerLayer(); i++) {
fClusterWeight[i]=0;
fClusterTracks[0][i]=-1;
fClusterTracks[1][i]=-1;
fClusterTracks[2][i]=-1;
fClusterTracks[3][i]=-1;
}
for (Int_t i=0; i<fN;i++) {
AliITSRecPoint * cl = (AliITSRecPoint*)GetCluster(i);
if (cl&&cl->IsUsed()) cl->Use();
}
}
void AliITStrackerMI::AliITSlayer::ResetRoad() {
Int_t n=0;
for (Int_t i=0; i<fN; i++) {
if (TMath::Abs(fClusters[i]->GetZ())<fR) n++;
}
if (n>1) fRoad=2*fR*TMath::Sqrt(TMath::Pi()/n);
}
Int_t AliITStrackerMI::AliITSlayer::InsertCluster(AliITSRecPoint *cl) {
if (fN==AliITSRecoParam::GetMaxClusterPerLayer()) {
return 1;
}
fCurrentSlice=-1;
fClusters[fN]=cl;
fN++;
AliITSdetector &det=GetDetector(cl->GetDetectorIndex());
Double_t nSigmaY=fNMaxSigmaCl*TMath::Sqrt(cl->GetSigmaY2());
Double_t nSigmaZ=fNMaxSigmaCl*TMath::Sqrt(cl->GetSigmaZ2());
if (cl->GetY()-nSigmaY<det.GetYmin()) det.SetYmin(cl->GetY()-nSigmaY);
if (cl->GetY()+nSigmaY>det.GetYmax()) det.SetYmax(cl->GetY()+nSigmaY);
if (cl->GetZ()-nSigmaZ<det.GetZmin()) det.SetZmin(cl->GetZ()-nSigmaZ);
if (cl->GetZ()+nSigmaZ>det.GetZmax()) det.SetZmax(cl->GetZ()+nSigmaZ);
return 0;
}
void AliITStrackerMI::AliITSlayer::SortClusters()
{
AliITSRecPoint **clusters = new AliITSRecPoint*[fN];
Float_t *z = new Float_t[fN];
Int_t * index = new Int_t[fN];
fMaxSigmaClY=0.;
fMaxSigmaClZ=0.;
for (Int_t i=0;i<fN;i++){
z[i] = fClusters[i]->GetZ();
fMaxSigmaClY=TMath::Max(fMaxSigmaClY,TMath::Sqrt(fClusters[i]->GetSigmaY2()));
fMaxSigmaClZ=TMath::Max(fMaxSigmaClZ,TMath::Sqrt(fClusters[i]->GetSigmaZ2()));
}
TMath::Sort(fN,z,index,kFALSE);
for (Int_t i=0;i<fN;i++){
clusters[i] = fClusters[index[i]];
}
for (Int_t i=0;i<fN;i++){
fClusters[i] = clusters[i];
fZ[i] = fClusters[i]->GetZ();
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;i<fN;i++){
if (fY[i]<fYB[0]) fYB[0]=fY[i];
if (fY[i]>fYB[1]) fYB[1]=fY[i];
fClusterIndex[i] = i;
}
fDy5 = (fYB[1]-fYB[0])/5.;
fDy10 = (fYB[1]-fYB[0])/10.;
fDy20 = (fYB[1]-fYB[0])/20.;
for (Int_t i=0;i<6;i++) fN5[i] =0;
for (Int_t i=0;i<11;i++) fN10[i]=0;
for (Int_t i=0;i<21;i++) fN20[i]=0;
for (Int_t i=0;i<6;i++) {fBy5[i][0] = fYB[0]+(i-0.75)*fDy5; fBy5[i][1] = fYB[0]+(i+0.75)*fDy5;}
for (Int_t i=0;i<11;i++) {fBy10[i][0] = fYB[0]+(i-0.75)*fDy10; fBy10[i][1] = fYB[0]+(i+0.75)*fDy10;}
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;i<fN;i++)
for (Int_t irot=-1;irot<=1;irot++){
Float_t curY = fY[i]+irot*TMath::TwoPi()*fR;
for (Int_t slice=0; slice<6;slice++){
if (fBy5[slice][0]<curY && curY<fBy5[slice][1]&&fN5[slice]<AliITSRecoParam::GetMaxClusterPerLayer5()){
fClusters5[slice][fN5[slice]] = fClusters[i];
fY5[slice][fN5[slice]] = curY;
fZ5[slice][fN5[slice]] = fZ[i];
fClusterIndex5[slice][fN5[slice]]=i;
fN5[slice]++;
}
}
for (Int_t slice=0; slice<11;slice++){
if (fBy10[slice][0]<curY && curY<fBy10[slice][1]&&fN10[slice]<AliITSRecoParam::GetMaxClusterPerLayer10()){
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 slice=0; slice<21;slice++){
if (fBy20[slice][0]<curY && curY<fBy20[slice][1]&&fN20[slice]<AliITSRecoParam::GetMaxClusterPerLayer20()){
fClusters20[slice][fN20[slice]] = fClusters[i];
fY20[slice][fN20[slice]] = curY;
fZ20[slice][fN20[slice]] = fZ[i];
fClusterIndex20[slice][fN20[slice]]=i;
fN20[slice]++;
}
}
}
for (Int_t i=0;i<fN-1;i++){
if (fZ[i]>fZ[i+1]){
printf("Bug\n");
}
}
for (Int_t slice=0;slice<21;slice++)
for (Int_t i=0;i<fN20[slice]-1;i++){
if (fZ20[slice][i]>fZ20[slice][i+1]){
printf("Bug\n");
}
}
}
Int_t AliITStrackerMI::AliITSlayer::FindClusterIndex(Float_t z) const {
Int_t ncl=0;
const Float_t *zcl;
if (fCurrentSlice<0) {
ncl = fN;
zcl = fZ;
}
else{
ncl = fNcs;
zcl = fZcs;;
}
if (ncl==0) return 0;
Int_t b=0, e=ncl-1, m=(b+e)/2;
for (; b<e; m=(b+e)/2) {
if (z > zcl[m]) b=m+1;
else e=m;
}
return m;
}
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 {
AliITSdetector &det = fgLayers[ilayer].GetDetector(idet);
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));
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);
}
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;
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) {
Double_t circle=2*TMath::Pi()*fR;
fYmin = ymin;
fYmax = ymax;
fZmin = zmin;
fZmax = zmax;
fYmin -= fNMaxSigmaCl*fMaxSigmaClY;
fYmax += fNMaxSigmaCl*fMaxSigmaClY;
fZmin -= fNMaxSigmaCl*fMaxSigmaClZ;
fZmax += fNMaxSigmaCl*fMaxSigmaClZ;
Float_t ymiddle = (fYmin+fYmax)*0.5;
if (ymiddle<fYB[0]) {
fYmin+=circle; fYmax+=circle; ymiddle+=circle;
} else if (ymiddle>fYB[1]) {
fYmin-=circle; fYmax-=circle; ymiddle-=circle;
}
fCurrentSlice =-1;
fClustersCs = fClusters;
fClusterIndexCs = fClusterIndex;
fYcs = fY;
fZcs = fZ;
fNcs = fN;
if (fCurrentSlice<0&&TMath::Abs(fYmax-fYmin)<1.49*fDy20){
Int_t slice = int(0.5+(ymiddle-fYB[0])/fDy20);
if (slice<0) slice=0;
if (slice>20) slice=20;
Bool_t isOK = (fYmin>fBy20[slice][0]&&fYmax<fBy20[slice][1]);
if (isOK) {
fCurrentSlice=slice;
fClustersCs = fClusters20[fCurrentSlice];
fClusterIndexCs = fClusterIndex20[fCurrentSlice];
fYcs = fY20[fCurrentSlice];
fZcs = fZ20[fCurrentSlice];
fNcs = fN20[fCurrentSlice];
}
}
if (fCurrentSlice<0&&TMath::Abs(fYmax-fYmin)<1.49*fDy10){
Int_t slice = int(0.5+(ymiddle-fYB[0])/fDy10);
if (slice<0) slice=0;
if (slice>10) slice=10;
Bool_t isOK = (fYmin>fBy10[slice][0]&&fYmax<fBy10[slice][1]);
if (isOK) {
fCurrentSlice=slice;
fClustersCs = fClusters10[fCurrentSlice];
fClusterIndexCs = fClusterIndex10[fCurrentSlice];
fYcs = fY10[fCurrentSlice];
fZcs = fZ10[fCurrentSlice];
fNcs = fN10[fCurrentSlice];
}
}
if (fCurrentSlice<0&&TMath::Abs(fYmax-fYmin)<1.49*fDy5){
Int_t slice = int(0.5+(ymiddle-fYB[0])/fDy5);
if (slice<0) slice=0;
if (slice>5) slice=5;
Bool_t isOK = (fYmin>fBy5[slice][0]&&fYmax<fBy5[slice][1]);
if (isOK) {
fCurrentSlice=slice;
fClustersCs = fClusters5[fCurrentSlice];
fClusterIndexCs = fClusterIndex5[fCurrentSlice];
fYcs = fY5[fCurrentSlice];
fZcs = fZ5[fCurrentSlice];
fNcs = fN5[fCurrentSlice];
}
}
fI = FindClusterIndex(fZmin);
fImax = TMath::Min(FindClusterIndex(fZmax)+1,fNcs);
fSkip = 0;
fAccepted = 0;
return;
}
Int_t AliITStrackerMI::AliITSlayer::
FindDetectorIndex(Double_t phi, Double_t z) const {
Double_t dphi;
if (fZOffset<0)
dphi = -(phi-fPhiOffset);
else
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;
Double_t nnz = dz*(fNdetectors-1)*0.5/fZOffset+0.5;
Int_t nz = (nnz<0 ? -1 : (Int_t)nnz);
if (nz>=fNdetectors || nz<0) {
return -1;
}
if (GetR()>12. && GetR()<20.) {
if(np==2) {
Double_t posMod252[3];
AliITSgeomTGeo::GetTranslation(252,posMod252);
if(posMod252[2]<0.){
nz = (fNdetectors-1) - nz;
}
}
}
return np*fNdetectors + nz;
}
const AliITSRecPoint *AliITStrackerMI::AliITSlayer::GetNextCluster(Int_t &ci,Bool_t test)
{
if (fCurrentSlice<0) {
Double_t rpi2 = 2.*fR*TMath::Pi();
for (Int_t i=fI; i<fImax; i++) {
Double_t y = fY[i];
Double_t z = fZ[i];
if (fYmax<y) y -= rpi2;
if (fYmin>y) y += rpi2;
if (y<fYmin) continue;
if (y>fYmax) continue;
if (z+fNMaxSigmaCl*TMath::Sqrt(fClusters[i]->GetSigmaZ2())<fZmin+fNMaxSigmaCl*fMaxSigmaClZ) continue;
if (z-fNMaxSigmaCl*TMath::Sqrt(fClusters[i]->GetSigmaZ2())>fZmax-fNMaxSigmaCl*fMaxSigmaClZ) continue;
if (TMath::Abs(fClusters[i]->GetQ())<1.e-13 && fSkip==2) continue;
ci=i;
if (!test) fI=i+1;
return fClusters[i];
}
} else {
for (Int_t i=fI; i<fImax; i++) {
if (fYcs[i]<fYmin) continue;
if (fYcs[i]>fYmax) continue;
if (TMath::Abs(fClustersCs[i]->GetQ())<1.e-13 && fSkip==2) continue;
ci=fClusterIndexCs[i];
if (!test) fI=i+1;
return fClustersCs[i];
}
}
return 0;
}
Double_t AliITStrackerMI::AliITSlayer::GetThickness(Double_t y,Double_t z,Double_t &x0)
const {
Double_t d=0.0085;
x0=AliITSRecoParam::GetX0Air();
if (43<fR&&fR<45) {
Double_t dd=0.0034;
d=dd;
if (TMath::Abs(y-0.00)>3.40) d+=dd;
if (TMath::Abs(y-1.90)<0.45) {d+=(0.013-0.0034);}
if (TMath::Abs(y+1.90)<0.45) {d+=(0.013-0.0034);}
for (Int_t i=0; i<12; i++) {
if (TMath::Abs(z-3.9*(i+0.5))<0.15) {
if (TMath::Abs(y-0.00)>3.40) d+=dd;
d+=0.0034;
break;
}
if (TMath::Abs(z+3.9*(i+0.5))<0.15) {
if (TMath::Abs(y-0.00)>3.40) d+=dd;
d+=0.0034;
break;
}
if (TMath::Abs(z-3.4-3.9*i)<0.50) {d+=(0.016-0.0034); break;}
if (TMath::Abs(z+0.5+3.9*i)<0.50) {d+=(0.016-0.0034); break;}
}
} else
if (37<fR&&fR<41) {
Double_t dd=0.0034;
d=dd;
if (TMath::Abs(y-0.00)>3.40) d+=dd;
if (TMath::Abs(y-1.90)<0.45) {d+=(0.013-0.0034);}
if (TMath::Abs(y+1.90)<0.45) {d+=(0.013-0.0034);}
for (Int_t i=0; i<11; i++) {
if (TMath::Abs(z-3.9*i)<0.15) {
if (TMath::Abs(y-0.00)>3.40) d+=dd;
d+=dd;
break;
}
if (TMath::Abs(z+3.9*i)<0.15) {
if (TMath::Abs(y-0.00)>3.40) d+=dd;
d+=dd;
break;
}
if (TMath::Abs(z-1.85-3.9*i)<0.50) {d+=(0.016-0.0034); break;}
if (TMath::Abs(z+2.05+3.9*i)<0.50) {d+=(0.016-0.0034); break;}
}
} else
if (13<fR&&fR<26) {
Double_t dd=0.0033;
d=dd;
if (TMath::Abs(y-0.00)>3.30) d+=dd;
if (TMath::Abs(y-1.80)<0.55) {
d+=0.016;
for (Int_t j=0; j<20; j++) {
if (TMath::Abs(z+0.7+1.47*j)<0.12) {d+=0.08; x0=9.; break;}
if (TMath::Abs(z-0.7-1.47*j)<0.12) {d+=0.08; x0=9.; break;}
}
}
if (TMath::Abs(y+1.80)<0.55) {
d+=0.016;
for (Int_t j=0; j<20; j++) {
if (TMath::Abs(z-0.7-1.47*j)<0.12) {d+=0.08; x0=9.; break;}
if (TMath::Abs(z+0.7+1.47*j)<0.12) {d+=0.08; x0=9.; break;}
}
}
for (Int_t i=0; i<4; i++) {
if (TMath::Abs(z-7.3*i)<0.60) {
d+=dd;
if (TMath::Abs(y-0.00)>3.30) d+=dd;
break;
}
if (TMath::Abs(z+7.3*i)<0.60) {
d+=dd;
if (TMath::Abs(y-0.00)>3.30) d+=dd;
break;
}
}
} else
if (6<fR&&fR<8) {
Double_t dd=0.0063; x0=21.5;
d=dd;
if (TMath::Abs(y-3.08)>0.5) d+=dd;
if (TMath::Abs(y-3.03)<0.10) d+=0.014;
} else
if (3<fR&&fR<5) {
Double_t dd=0.0063; x0=21.5;
d=dd;
if (TMath::Abs(y+0.21)>0.6) d+=dd;
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)
{
}
void AliITStrackerMI::AliITSdetector::ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,
const AliITSDetTypeRec *detTypeRec)
{
for(Int_t il=0; il<ilayer; il++)
idet += AliITSgeomTGeo::GetNLadders(il+1)*AliITSgeomTGeo::GetNDetectors(il+1);
Int_t detType;
if (ilayer==0 || ilayer==1) {
detType = 0;
} else if (ilayer==2 || ilayer==3) {
detType = 1;
} else if (ilayer==4 || ilayer==5) {
detType = 2;
} else {
printf("AliITStrackerMI::AliITSdetector::InitBadFromOCDB: Wrong layer number %d\n",ilayer);
return;
}
AliITSCalibration *calib = (AliITSCalibration*)detTypeRec->GetCalibrationModel(idet);
calib->SetModuleIndex(idet);
AliITSCalibration *calibSPDdead = 0;
if(detType==0) calibSPDdead = (AliITSCalibration*)detTypeRec->GetSPDDeadModel(idet);
if (calib->IsBad() ||
(detType==0 && calibSPDdead->IsBad()))
{
SetBad();
}
AliITSsegmentation *segm = (AliITSsegmentation*)detTypeRec->GetSegmentationModel(detType);
fNChips = segm->GetMaximumChipIndex()+1;
if(fChipIsBad) { delete [] fChipIsBad; fChipIsBad=NULL; }
fChipIsBad = new Bool_t[fNChips];
for (Int_t iCh=0;iCh<fNChips;iCh++) {
fChipIsBad[iCh] = calib->IsChipBad(iCh);
if (detType==0 && calibSPDdead->IsChipBad(iCh)) fChipIsBad[iCh] = kTRUE;
}
return;
}
Double_t AliITStrackerMI::GetEffectiveThickness()
{
if(fUseTGeo!=0) {
if(fxOverX0Layer[0]<0) BuildMaterialLUT("Layers");
if(fxOverX0Shield[0]<0) BuildMaterialLUT("Shields");
if(fxOverX0Pipe<0) BuildMaterialLUT("Pipe");
}
Double_t dPipe = (fUseTGeo==0 ? AliITSRecoParam::GetdPipe() : fxOverX0Pipe);
Double_t d=dPipe*AliITSRecoParam::GetrPipe()*AliITSRecoParam::GetrPipe();
Double_t x0=0;
Double_t xn=fgLayers[fI].GetR();
for (Int_t i=0; i<fI; i++) {
Double_t xi=fgLayers[i].GetR();
Double_t dLayer = (fUseTGeo==0 ? fgLayers[i].GetThickness(0,0,x0) : fxOverX0Layer[i]);
d+=dLayer*xi*xi;
}
if (fI>1) {
Double_t dshieldSPD = (fUseTGeo==0 ? AliITSRecoParam::Getdshield(0) : fxOverX0Shield[0]);
d+=dshieldSPD*AliITSRecoParam::GetrInsideShield(0)*AliITSRecoParam::GetrInsideShield(0);
}
if (fI>3) {
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::GetEffectiveThicknessLbyL(Double_t* xMS, Double_t* x2x0MS)
{
if(fUseTGeo!=0) {
if(fxOverX0Layer[0]<0) BuildMaterialLUT("Layers");
if(fxOverX0Shield[0]<0) BuildMaterialLUT("Shields");
if(fxOverX0Pipe<0) BuildMaterialLUT("Pipe");
}
int nl = 0;
double x0 = 0;
for (int il=fI;il--;) {
if (il==3) {
x2x0MS[nl] = (fUseTGeo==0 ? AliITSRecoParam::Getdshield(1) : fxOverX0Shield[1]);
xMS[nl++] = AliITSRecoParam::GetrInsideShield(1);
}
else if (il==1) {
x2x0MS[nl] = (fUseTGeo==0 ? AliITSRecoParam::Getdshield(0) : fxOverX0Shield[0]);
xMS[nl++] = AliITSRecoParam::GetrInsideShield(0);
}
x2x0MS[nl] = (fUseTGeo==0 ? fgLayers[il].GetThickness(0,0,x0) : fxOverX0Layer[il]);
xMS[nl++] = fgLayers[il].GetR();
}
x2x0MS[nl] = (fUseTGeo==0 ? AliITSRecoParam::GetdPipe() : fxOverX0Pipe);
xMS[nl++] = AliITSRecoParam::GetrPipe();
return nl;
}
Int_t AliITStrackerMI::AliITSlayer::InRoad() const {
Int_t ncl=0;
for (Int_t i=fI; i<fN; i++) {
const AliITSRecPoint *c=fClusters[i];
if (c->GetZ() > fZmax) break;
if (c->IsUsed()) continue;
const AliITSdetector &det=GetDetector(c->GetDetectorIndex());
Double_t y=fR*det.GetPhi() + c->GetY();
if (y>2.*fR*TMath::Pi()) y -= 2*fR*TMath::Pi();
if (y>1.*fR*TMath::Pi() && fYmax<y) y -= 2*fR*TMath::Pi();
if (y<fYmin) continue;
if (y>fYmax) continue;
ncl++;
}
return ncl;
}
Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track,
const AliITStrackMI *clusters,Bool_t extra, Bool_t planeeff)
{
Int_t index[AliITSgeomTGeo::kNLayers];
Int_t k;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) index[k]=-1;
Int_t nc=clusters->GetNumberOfClusters();
for (k=0; k<nc; k++) {
Int_t idx=clusters->GetClusterIndex(k);
Int_t ilayer=(idx&0xf0000000)>>28;
index[ilayer]=idx;
}
return RefitAt(xx,track,index,extra,planeeff);
}
Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track,
const Int_t *clusters,Bool_t extra, Bool_t planeeff)
{
Int_t index[AliITSgeomTGeo::kNLayers];
Int_t k;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) index[k]=-1;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) {
index[k]=clusters[k];
}
static AliITSRecoParam *repa = NULL;
if(!repa){
repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
if(!repa){
repa = AliITSRecoParam::GetHighFluxParam();
AliWarning("Using default AliITSRecoParam class");
}
}
Int_t evsp=repa->GetEventSpecie();
ULong_t trStatus=0;
if(track->GetESDtrack()) trStatus=track->GetStatus();
Int_t innermostlayer=0;
if((evsp&AliRecoParam::kCosmic) || (trStatus&AliESDtrack::kTPCin)) {
innermostlayer=5;
Double_t drphi = TMath::Abs(track->GetD(0.,0.));
for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++) {
if( (drphi < (fgLayers[innermostlayer].GetR()+1.)) ||
index[innermostlayer] >= 0 ) break;
}
AliDebug(2,Form(" drphi %f innermost %d",drphi,innermostlayer));
}
Int_t modstatus=1;
Float_t xloc,zloc;
Int_t from, to, step;
if (xx > track->GetX()) {
from=innermostlayer; to=AliITSgeomTGeo::GetNLayers();
step=+1;
} else {
from=AliITSgeomTGeo::GetNLayers()-1; to=innermostlayer-1;
step=-1;
}
TString dir = (step>0 ? "outward" : "inward");
for (Int_t ilayer = from; ilayer != to; ilayer += step) {
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
if (step<0 && xx>r) break;
Double_t hI=ilayer-0.5*step;
if (TMath::Abs(hI-3.5)<0.01)
if(!CorrectForShieldMaterial(track,"SDD",dir)) return kFALSE;
if (TMath::Abs(hI-1.5)<0.01)
if(!CorrectForShieldMaterial(track,"SPD",dir)) return kFALSE;
Double_t oldGlobXYZ[3];
if (!track->GetXYZ(oldGlobXYZ)) return kFALSE;
Double_t oldGlobR = TMath::Sqrt(oldGlobXYZ[0]*oldGlobXYZ[0]+oldGlobXYZ[1]*oldGlobXYZ[1]);
if(step>0 && oldGlobR > r) continue;
if(step<0 && oldGlobR < r) continue;
Double_t phi,z;
if (!track->GetPhiZat(r,phi,z)) return kFALSE;
Int_t idet=layer.FindDetectorIndex(phi,z);
Int_t skip = CheckSkipLayer(track,ilayer,idet);
if (skip==2) {
modstatus = 4;
if(LocalModuleCoord(ilayer,idet,track,xloc,zloc)) {
track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir);
continue;
}
if (idet<0) return kFALSE;
const AliITSdetector &det=layer.GetDetector(idet);
if (ilayer>1 && fTrackingPhase.Contains("RefitInward") && !(track->GetStatus()&AliESDtrack::kTPCin)) track->SetCheckInvariant(kFALSE);
if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE;
track->SetDetectorIndex(idet);
if(!LocalModuleCoord(ilayer,idet,track,xloc,zloc)) return kFALSE;
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) {
modstatus = 6;
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);
if(!LocalModuleCoord(ilayer,idet,track,xloc,zloc)) return kFALSE;
}
Int_t cllayer = (idx & 0xf0000000) >> 28;;
Double_t chi2=GetPredictedChi2MI(track,cl,cllayer);
if (chi2<maxchi2) {
clAcc=cl;
maxchi2=chi2;
modstatus = 1;
} else {
return kFALSE;
}
}
} else {
if (skip==1) {
modstatus = 3;
if (planeeff && ilayer==AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()) {
if (IsOKForPlaneEff(track,clusters,ilayer))
UseTrackForPlaneEff(track,ilayer);
}
} else {
modstatus = 5;
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;
if (dead==2 || dead==3 || dead==4) modstatus = 2;
}
}
if (clAcc) {
if (!UpdateMI(track,clAcc,maxchi2,idx)) return kFALSE;
track->SetSampledEdx(clAcc->GetQ(),ilayer-2);
}
track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
if (extra && clAcc) {
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) {
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<maxchi2) { maxchi2=chi2; cci=ci; }
}
if (cci>=0) {
track->SetExtraCluster(ilayer,(ilayer<<28)+cci);
track->SetExtraModule(ilayer,idetExtra);
}
}
if(!CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir)) return kFALSE;
track->SetCheckInvariant(kTRUE);
}
if (!track->PropagateTo(xx,0.,0.)) return kFALSE;
return kTRUE;
}
Double_t AliITStrackerMI::GetNormalizedChi2(AliITStrackMI * track, Int_t mode)
{
Float_t chi2 = 0;
Float_t sum=0;
Float_t *erry = GetErrY(fCurrentEsdTrack), *errz = GetErrZ(fCurrentEsdTrack);
Float_t dedxmismatch =0;
Float_t *ny = GetNy(fCurrentEsdTrack), *nz = GetNz(fCurrentEsdTrack);
if (mode<100){
for (Int_t i = 0;i<6;i++){
if (track->GetClIndex(i)>=0){
Float_t cerry, cerrz;
if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];}
else
{ cerry= track->GetSigmaY(i); cerrz = track->GetSigmaZ(i);}
cerry*=cerry;
cerrz*=cerrz;
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.;
dedxmismatch+=(0.5-ratio)*10.;
}
}
if (i<2 ||i>3){
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();
}
chi2+=cchi2;
sum++;
}
}
if (TMath::Abs(track->GetdEdxMismatch()-dedxmismatch)>0.0001){
track->SetdEdxMismatch(dedxmismatch);
}
}
else{
for (Int_t i = 0;i<4;i++){
if (track->GetClIndex(i)>=0){
Float_t cerry, cerrz;
if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];}
else { cerry= track->GetSigmaY(i); cerrz = track->GetSigmaZ(i);}
cerry*=cerry;
cerrz*=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->GetClIndex(i)>=0){
Float_t cerry, cerrz;
if (ny[i]>0) {cerry = erry[i]; cerrz=errz[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->GetSigmaY(i+6); cerrzb = track->GetSigmaZ(i+6);}
cerryb*=cerryb;
cerrzb*=cerrzb;
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->GetESDtrack()->GetTPCsignal()>85){
Float_t ratio = track->GetdEdx()/track->GetESDtrack()->GetTPCsignal();
if (ratio<0.5) {
chi2+=(0.5-ratio)*5.;
}
if (ratio>2){
chi2+=(ratio-2.0)*3;
}
}
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 = 0.;
if (track->GetNDeadZone()>0.) {
Int_t sumDeadZoneProbability=0;
for(Int_t ilay=0;ilay<6;ilay++) {
if(track->GetDeadZoneProbability(ilay)>0.) sumDeadZoneProbability++;
}
Int_t nDeadZoneWithProbNot1=(Int_t)(track->GetNDeadZone())-sumDeadZoneProbability;
if(nDeadZoneWithProbNot1>0) {
Float_t deadZoneProbability = track->GetNDeadZone()-(Float_t)sumDeadZoneProbability;
AliDebug(2,Form("nDeadZone %f sumDZProbability %d nDZWithProbNot1 %d deadZoneProb %f\n",track->GetNDeadZone(),sumDeadZoneProbability,nDeadZoneWithProbNot1,deadZoneProbability));
deadZoneProbability /= (Float_t)nDeadZoneWithProbNot1;
Float_t one = 1.;
deadZoneProbability = TMath::Min(deadZoneProbability,one);
deadzonefactor = 3.*(1.1-deadZoneProbability);
}
}
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()));
AliDebug(2,Form("match %f deadzonefactor %f chi2 %f sum %f skipped %f\n",match,deadzonefactor,chi2,sum,track->GetNSkipped()));
AliDebug(2,Form("NormChi2 %f cls %d\n",normchi2,track->GetNumberOfClusters()));
return normchi2;
}
Double_t AliITStrackerMI::GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2)
{
Double_t largeChi2=1000.;
AliITStrackMI track3(*track2);
if (!track3.Propagate(track1->GetAlpha(),track1->GetX())) return largeChi2;
TMatrixD vec(5,1);
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->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->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->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->GetSigmaTglSnp()+track3.GetSigmaTglSnp();
cov(2,4)=cov(4,2) = track1->GetSigma1PtSnp()+track3.GetSigma1PtSnp();
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::GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const
{
Double_t probability = 0.;
Double_t nearestz = 0.,distz=0.;
Int_t nearestzone = -1;
Double_t mindistz = 1000.;
for (Int_t i=0; i<3; i++) {
distz=TMath::Abs(zpos-0.5*(fSPDdetzcentre[i]+fSPDdetzcentre[i+1]));
if (distz<mindistz) {
nearestzone=i;
nearestz=0.5*(fSPDdetzcentre[i]+fSPDdetzcentre[i+1]);
mindistz=distz;
}
}
if (TMath::Abs(zpos-nearestz)>0.25+3.*zerr) return probability;
Double_t zmin, zmax;
if (nearestzone==0) {
zmin = fSPDdetzcentre[0] + 0.5*AliITSRecoParam::GetSPDdetzlength();
zmax = fSPDdetzcentre[1] - 0.5*AliITSRecoParam::GetSPDdetzlength();
} else if (nearestzone==1) {
zmin = fSPDdetzcentre[1] + 0.5*AliITSRecoParam::GetSPDdetzlength();
zmax = fSPDdetzcentre[2] - 0.5*AliITSRecoParam::GetSPDdetzlength();
} else if (nearestzone==2) {
zmin = fSPDdetzcentre[2] + 0.5*AliITSRecoParam::GetSPDdetzlength();
zmax = fSPDdetzcentre[3] - 0.5*AliITSRecoParam::GetSPDdetzlength();
} else {
zmin = 0.;
zmax = 0.;
}
probability = 0.5*( AliMathBase::ErfFast((zpos-zmin)/zerr/TMath::Sqrt(2.)) -
AliMathBase::ErfFast((zpos-zmax)/zerr/TMath::Sqrt(2.)) );
AliDebug(2,Form("zpos %f +- %f nearestzone %d zmin zmax %f %f prob %f\n",zpos,zerr,nearestzone,zmin,zmax,probability));
return probability;
}
Double_t AliITStrackerMI::GetTruncatedChi2(const AliITStrackMI * track, Float_t fac)
{
Float_t chi2[6];
Float_t *erry = GetErrY(fCurrentEsdTrack), *errz = GetErrZ(fCurrentEsdTrack);
Float_t ncl = 0;
for (Int_t i = 0;i<6;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;}
}
Int_t index[6];
TMath::Sort(6,chi2,index,kFALSE);
Float_t max = float(ncl)*fac-1.;
Float_t sumchi=0, sumweight=0;
for (Int_t i=0;i<max+1;i++){
Float_t weight = (i<max)?1.:(max+1.-i);
sumchi+=weight*chi2[index[i]];
sumweight+=weight;
}
Double_t normchi2 = sumchi/sumweight;
return normchi2;
}
Double_t AliITStrackerMI::GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack)
{
Int_t npoints = 0;
Double_t res =0;
for (Int_t i=0;i<6;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->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)));
res+= nz0*nz0+ny0*ny0;
npoints++;
}
if (npoints>1) return
TMath::Max(0.3*forwardtrack->OneOverPt()-0.5,0.)+
res/TMath::Max(double(npoints-forwardtrack->GetNSkipped()),
1./(1.+forwardtrack->GetNSkipped()));
return 1000;
}
Float_t *AliITStrackerMI::GetWeight(Int_t index) {
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
return fgLayers[l].GetWeight(c);
}
void AliITStrackerMI::RegisterClusterTracks(const AliITStrackMI* track,Int_t id)
{
if (track->GetESDtrack()->GetKinkIndex(0)!=0) return;
for (Int_t icluster=0;icluster<track->GetNumberOfClusters();icluster++){
Int_t index = track->GetClusterIndex(icluster);
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
if (c>fgLayers[l].GetNumberOfClusters()) continue;
for (Int_t itrack=0;itrack<4;itrack++){
if (fgLayers[l].GetClusterTracks(itrack,c)<0){
fgLayers[l].SetClusterTracks(itrack,c,id);
break;
}
}
}
}
void AliITStrackerMI::UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id)
{
for (Int_t icluster=0;icluster<track->GetNumberOfClusters();icluster++){
Int_t index = track->GetClusterIndex(icluster);
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
if (c>fgLayers[l].GetNumberOfClusters()) continue;
for (Int_t itrack=0;itrack<4;itrack++){
if (fgLayers[l].GetClusterTracks(itrack,c)==id){
fgLayers[l].SetClusterTracks(itrack,c,-1);
}
}
}
}
Float_t AliITStrackerMI::GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6])
{
Float_t shared=0;
for (Int_t i=0;i<6;i++) { list[i]=-1, clist[i]=0;}
Float_t *ny = GetNy(id), *nz = GetNz(id);
for (Int_t icluster=0;icluster<track->GetNumberOfClusters();icluster++){
Int_t index = track->GetClusterIndex(icluster);
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
if (c>fgLayers[l].GetNumberOfClusters()) continue;
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&&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]);
}
else{
deltan = (cl->GetNz()-nz[l]);
}
if (deltan>2.0) continue;
weight = 2./TMath::Max(3.+deltan,2.);
for (Int_t itrack=0;itrack<4;itrack++){
if (fgLayers[l].GetClusterTracks(itrack,c)>=0 && fgLayers[l].GetClusterTracks(itrack,c)!=id){
list[l]=index;
clist[l] = (AliITSRecPoint*)GetCluster(index);
track->SetSharedWeight(l,weight);
shared+=weight;
break;
}
}
}
track->SetNUsed(shared);
return shared;
}
Int_t AliITStrackerMI::GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6],Int_t overlist[6])
{
Float_t *ny = GetNy(trackID), *nz = GetNz(trackID);
for (Int_t i=0;i<6;i++) overlist[i]=-1;
Int_t sharedtrack=100000;
Int_t tracks[24],trackindex=0;
for (Int_t i=0;i<24;i++) {tracks[i]=-1;}
for (Int_t icluster=0;icluster<6;icluster++){
if (clusterlist[icluster]<0) continue;
Int_t index = clusterlist[icluster];
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
if (c>fgLayers[l].GetNumberOfClusters()) continue;
AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index);
Float_t deltan = 0;
if (l>3&&cl->GetNy()+cl->GetNz()>6) 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]);
}
else{
deltan = (cl->GetNz()-nz[l]);
}
if (deltan>2.0) continue;
for (Int_t itrack=3;itrack>=0;itrack--){
if (fgLayers[l].GetClusterTracks(itrack,c)<0) continue;
if (fgLayers[l].GetClusterTracks(itrack,c)!=trackID){
tracks[trackindex] = fgLayers[l].GetClusterTracks(itrack,c);
trackindex++;
}
}
}
if (trackindex==0) return -1;
if (trackindex==1){
sharedtrack = tracks[0];
}else{
if (trackindex==2) sharedtrack =TMath::Min(tracks[0],tracks[1]);
else{
Int_t tracks2[24], cluster[24];
for (Int_t i=0;i<24;i++){ tracks2[i]=-1; cluster[i]=0;}
Int_t index =0;
for (Int_t i=0;i<trackindex;i++){
if (tracks[i]<0) continue;
tracks2[index] = tracks[i];
cluster[index]++;
for (Int_t j=i+1;j<trackindex;j++){
if (tracks[j]<0) continue;
if (tracks[j]==tracks[i]){
cluster[index]++;
tracks[j]=-1;
}
}
index++;
}
Int_t max=0;
for (Int_t i=0;i<index;i++){
if (cluster[index]>max) {
sharedtrack=tracks2[index];
max=cluster[index];
}
}
}
}
if (sharedtrack>=100000) return -1;
shared =0;
for (Int_t icluster=0;icluster<6;icluster++){
if (clusterlist[icluster]<0) continue;
Int_t index = clusterlist[icluster];
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
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;
}
if (l==4 || l==5){
if (cl->GetNy()>3) continue;
if (cl->GetNz()>3) continue;
}
for (Int_t itrack=3;itrack>=0;itrack--){
if (fgLayers[l].GetClusterTracks(itrack,c)<0) continue;
if (fgLayers[l].GetClusterTracks(itrack,c)==sharedtrack){
overlist[l]=index;
shared++;
}
}
}
return sharedtrack;
}
AliITStrackMI * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t th0, Float_t th1,AliITStrackMI* original){
TClonesArray *arr1 = (TClonesArray*)fTrackHypothesys.At(trackID1);
Int_t entries1 = arr1->GetEntriesFast();
TClonesArray *arr2 = (TClonesArray*)fTrackHypothesys.At(trackID2);
if (!arr2) return (AliITStrackMI*) arr1->UncheckedAt(0);
Int_t entries2 = arr2->GetEntriesFast();
if (entries2<=0) return (AliITStrackMI*) arr1->UncheckedAt(0);
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;itrack<entries1;itrack++){
AliITStrackMI * track=(AliITStrackMI*) arr1->UncheckedAt(itrack);
UnRegisterClusterTracks(track,trackID1);
}
for (Int_t itrack=0;itrack<entries2;itrack++){
AliITStrackMI * track=(AliITStrackMI*) arr2->UncheckedAt(itrack);
UnRegisterClusterTracks(track,trackID2);
}
Int_t index1=0;
Int_t index2=0;
Float_t maxconflicts=6;
Double_t maxchi2 =1000.;
Double_t w1,w2;
Int_t list1[6],list2[6];
AliITSRecPoint *clist1[6], *clist2[6] ;
RegisterClusterTracks(track10,trackID1);
RegisterClusterTracks(track20,trackID2);
Float_t conflict1 = GetNumberOfSharedClusters(track10,trackID1,list1,clist1);
Float_t conflict2 = GetNumberOfSharedClusters(track20,trackID2,list2,clist2);
UnRegisterClusterTracks(track10,trackID1);
UnRegisterClusterTracks(track20,trackID2);
Float_t chi21 =0,chi22=0,ncl1=0,ncl2=0;
Float_t nerry[6],nerrz[6];
Float_t *erry1=GetErrY(trackID1),*errz1 = GetErrZ(trackID1);
Float_t *erry2=GetErrY(trackID2),*errz2 = GetErrZ(trackID2);
for (Int_t i=0;i<6;i++){
if ( (erry1[i]>0) && (erry2[i]>0)) {
nerry[i] = TMath::Min(erry1[i],erry2[i]);
nerrz[i] = TMath::Min(errz1[i],errz2[i]);
}else{
nerry[i] = TMath::Max(erry1[i],erry2[i]);
nerrz[i] = TMath::Max(errz1[i],errz2[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->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++;
}
}
chi21/=ncl1;
chi22/=ncl2;
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.*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.*track20->Pt()/(track10->Pt()+track20->Pt())
);
Double_t sumw = w1+w2;
w1/=sumw;
w2/=sumw;
if (w1<w2*0.5) {
w1 = (d2+0.5)/(d1+d2+1.);
w2 = (d1+0.5)/(d1+d2+1.);
}
Float_t * ny1 = GetNy(trackID1), * nz1 = GetNz(trackID1);
Float_t * ny2 = GetNy(trackID2), * nz2 = GetNz(trackID2);
for (Int_t itrack1=0;itrack1<entries1;itrack1++){
AliITStrackMI * track1=(AliITStrackMI*) arr1->UncheckedAt(itrack1);
RegisterClusterTracks(track1,trackID1);
for (Int_t itrack2=0;itrack2<entries2;itrack2++){
AliITStrackMI * track2=(AliITStrackMI*) arr2->UncheckedAt(itrack2);
Float_t nskipped=0;
RegisterClusterTracks(track2,trackID2);
Float_t cconflict1 = GetNumberOfSharedClusters(track1,trackID1,list1,clist1);
Float_t cconflict2 = GetNumberOfSharedClusters(track2,trackID2,list2,clist2);
UnRegisterClusterTracks(track2,trackID2);
if (track1->GetConstrain()) nskipped+=w1*track1->GetNSkipped();
if (track2->GetConstrain()) nskipped+=w2*track2->GetNSkipped();
if (nskipped>0.5) continue;
if (conflict1+1<cconflict1) continue;
if (conflict2+1<cconflict2) continue;
Float_t conflict=0;
Float_t sumchi2=0;
Float_t sum=0;
for (Int_t i=0;i<6;i++){
Float_t c1 =0.;
Float_t c2 =0.;
if (clist1[i]&&clist2[i]){
Float_t deltan = 0;
if (i<2 || i>3){
deltan = (clist1[i]->GetNy()+clist1[i]->GetNz()-TMath::Max(ny1[i],ny2[i])-TMath::Max(nz1[i],nz2[i]));
}
else{
deltan = (clist1[i]->GetNz()-TMath::Max(nz1[i],nz2[i]));
}
c1 = 2./TMath::Max(3.+deltan,2.);
c2 = 2./TMath::Max(3.+deltan,2.);
}
else{
if (clist1[i]){
Float_t deltan = 0;
if (i<2 || i>3){
deltan = (clist1[i]->GetNy()+clist1[i]->GetNz()-ny1[i]-nz1[i]);
}
else{
deltan = (clist1[i]->GetNz()-nz1[i]);
}
c1 = 2./TMath::Max(3.+deltan,2.);
c2 = 0;
}
if (clist2[i]){
Float_t deltan = 0;
if (i<2 || i>3){
deltan = (clist2[i]->GetNy()+clist2[i]->GetNz()-ny2[i]-nz2[i]);
}
else{
deltan = (clist2[i]->GetNz()-nz2[i]);
}
c2 = 2./TMath::Max(3.+deltan,2.);
c1 = 0;
}
}
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));
}else{
if (TMath::Abs(track1->GetSigmaY(i)>0.)) c1=1;
}
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));
}
else{
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->GetNSkipped()-w2*track2->GetNSkipped();
if (norm<0) norm =1/(w1*track1->GetNSkipped()+w2*track2->GetNSkipped());
Double_t normchi2 = 2*conflict+sumchi2/sum;
if ( normchi2 <maxchi2 ){
index1 = itrack1;
index2 = itrack2;
maxconflicts = conflict;
maxchi2 = normchi2;
}
}
UnRegisterClusterTracks(track1,trackID1);
}
if (maxchi2<th0*2.){
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->SetChi2MIP(8,index1);
fBestTrackIndex[trackID1] =index1;
UpdateESDtrack(track1, AliESDtrack::kITSin);
original->SetWinner(track1);
}
else if (track10->GetChi2MIP(0)<th1){
track10->SetChi2MIP(5,maxconflicts);
track10->SetChi2MIP(6,maxchi2);
UpdateESDtrack(track10,AliESDtrack::kITSin);
original->SetWinner(track10);
}
for (Int_t itrack=0;itrack<entries1;itrack++){
AliITStrackMI * track=(AliITStrackMI*) arr1->UncheckedAt(itrack);
UnRegisterClusterTracks(track,trackID1);
}
for (Int_t itrack=0;itrack<entries2;itrack++){
AliITStrackMI * track=(AliITStrackMI*) arr2->UncheckedAt(itrack);
UnRegisterClusterTracks(track,trackID2);
}
if (track10->GetConstrain()&&track10->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)&&track10->GetChi2MIP(1)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)
&&track10->GetChi2MIP(2)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)&&track10->GetChi2MIP(3)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)){
RegisterClusterTracks(track10,trackID1);
}
if (track20->GetConstrain()&&track20->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)&&track20->GetChi2MIP(1)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)
&&track20->GetChi2MIP(2)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)&&track20->GetChi2MIP(3)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)){
RegisterClusterTracks(track20,trackID2);
}
return track10;
}
void AliITStrackerMI::UseClusters(const AliKalmanTrack *t, Int_t from) const {
AliTracker::UseClusters(t,from);
AliITSRecPoint *c=(AliITSRecPoint *)GetCluster(t->GetClusterIndex(0));
if (c->GetSigmaZ2()>0.1) c->Use();
c=(AliITSRecPoint *)GetCluster(t->GetClusterIndex(1));
if (c->GetSigmaZ2()>0.1) c->Use();
}
void AliITStrackerMI::AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex)
{
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) {
array = new TObjArray(10);
fTrackHypothesys.AddAtAndExpand(array,esdindex);
}
array->AddLast(track);
}
void AliITStrackerMI::SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode)
{
if (esdindex>fTrackHypothesys.GetEntriesFast()) return;
if (! (fTrackHypothesys.At(esdindex)) ) return;
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
Int_t entries = array->GetEntriesFast();
Float_t minchi2=10000;
Int_t maxn=0;
AliITStrackMI * besttrack=0;
for (Int_t itrack=0;itrack<array->GetEntriesFast();itrack++){
AliITStrackMI * track = (AliITStrackMI*)array->At(itrack);
if (!track) continue;
Float_t chi2 = NormalizedChi2(track,0);
Int_t tpcLabel=track->GetESDtrack()->GetTPCLabel();
track->SetLabel(tpcLabel);
CookdEdx(track);
track->SetFakeRatio(1.);
CookLabel(track,0.);
if (chi2<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)){
if (track->GetNumberOfClusters()<maxn) continue;
maxn = track->GetNumberOfClusters();
if (chi2<minchi2){
minchi2=chi2;
besttrack=track;
}
}
else{
if (track->GetConstrain() || track->GetNumberOfClusters()>5){
delete array->RemoveAt(itrack);
}
}
}
if (!besttrack) return;
Float_t *erry = GetErrY(esdindex), *errz = GetErrZ(esdindex);
Float_t *ny = GetNy(esdindex), *nz = GetNz(esdindex);
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);
}
}
Float_t * chi2 = new Float_t[entries];
Int_t * index = new Int_t[entries];
for (Int_t i=0;i<entries;i++) chi2[i] =10000;
for (Int_t itrack=0;itrack<entries;itrack++){
AliITStrackMI * track = (AliITStrackMI*)array->At(itrack);
if (track){
AliDebug(2,Form("track %d ncls %d\n",itrack,track->GetNumberOfClusters()));
double chi2t = GetNormalizedChi2(track, mode);
track->SetChi2MIP(0,chi2t);
if (chi2t<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)) {
if (fSelectBestMIP03 && track->GetChi2MIP(3)>0) chi2t *= track->GetChi2MIP(3);
chi2[itrack] = chi2t;
}
else{
if (track->GetConstrain() || track->GetNumberOfClusters()>5){
delete array->RemoveAt(itrack);
}
}
}
}
TMath::Sort(entries,chi2,index,kFALSE);
besttrack = (AliITStrackMI*)array->At(index[0]);
if(besttrack) AliDebug(2,Form("ncls best track %d\n",besttrack->GetNumberOfClusters()));
if (besttrack&&besttrack->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->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);
}
}
}
for (Int_t i=0;i<entries;i++) chi2[i] =10000;
for (Int_t itrack=0;itrack<entries;itrack++){
AliITStrackMI * track = (AliITStrackMI*)array->At(itrack);
if (track){
double chi2t = GetNormalizedChi2(track, mode);
track->SetChi2MIP(0,chi2t);
AliDebug(2,Form("track %d ncls %d\n",itrack,track->GetNumberOfClusters()));
if (track->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)) {
if (fSelectBestMIP03 && track->GetChi2MIP(3)>0) chi2t *= track->GetChi2MIP(3);
chi2[itrack] = chi2t;
}
else {
if (track->GetConstrain() || track->GetNumberOfClusters()>5){
delete array->RemoveAt(itrack);
}
}
}
}
entries = array->GetEntriesFast();
if (entries>0){
TObjArray * newarray = new TObjArray();
TMath::Sort(entries,chi2,index,kFALSE);
besttrack = (AliITStrackMI*)array->At(index[0]);
if (besttrack){
AliDebug(2,Form("ncls best track %d %f %f\n",besttrack->GetNumberOfClusters(),besttrack->GetChi2MIP(0),chi2[index[0]]));
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->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;i<entries;i++){
AliITStrackMI * track = (AliITStrackMI*)array->At(index[i]);
if (!track) continue;
if (accepted>maxcut) break;
track->SetChi2MIP(0,GetNormalizedChi2(track,mode));
if (track->GetConstrain() || track->GetNumberOfClusters()>5){
if (track->GetNumberOfClusters()<6 && (track->GetChi2MIP(0)+track->GetNUsed()>minchi2)){
delete array->RemoveAt(index[i]);
continue;
}
}
Bool_t shortbest = !track->GetConstrain() && track->GetNumberOfClusters()<6;
if ((track->GetChi2MIP(0)+track->GetNUsed()<minchi2 && track->GetNumberOfClusters()>=minn) ||shortbest){
if (!shortbest) accepted++;
newarray->AddLast(array->RemoveAt(index[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);
}
}
}
else{
delete array->RemoveAt(index[i]);
}
}
array->Delete();
delete fTrackHypothesys.RemoveAt(esdindex);
fTrackHypothesys.AddAt(newarray,esdindex);
}
else{
array->Delete();
delete fTrackHypothesys.RemoveAt(esdindex);
}
}
delete [] chi2;
delete [] index;
}
AliITStrackMI * AliITStrackerMI::GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax)
{
if (fTrackHypothesys.GetEntriesFast()<=esdindex) return 0;
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) return 0;
Int_t entries = array->GetEntriesFast();
if (!entries) return 0;
Float_t minchi2 = 100000;
AliITStrackMI * besttrack=0;
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;i<entries;i++){
AliITStrackMI * track = (AliITStrackMI*)array->At(i);
if (!track) continue;
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 = new(backtrack) AliITStrackMI(*track);
if (track->GetConstrain()) {
if (!CorrectForPipeMaterial(backtrack,"inward")) continue;
if (AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
if (fUseImproveKalman) {if (!backtrack->ImproveKalman(xyzVtx,ersVtx,0,0,0)) continue;}
else {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->SetChi2MIP(1,NormalizedChi2(backtrack,0));
if (track->GetChi2MIP(1)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)*6.) continue;
track->SetChi22(GetMatchingChi2(backtrack,original));
if ((track->GetConstrain()) && track->GetChi22()>90.) continue;
if ((!track->GetConstrain()) && track->GetChi22()>30.) continue;
if ( track->GetChi22()/track->GetNumberOfClusters()>11.) continue;
if (!(track->GetConstrain())&&track->GetChi2MIP(1)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)) continue;
forwardtrack = new(forwardtrack) AliITStrackMI(*original);
forwardtrack->ResetClusters();
x = track->GetX();
if (!RefitAt(x,forwardtrack,track) && fSelectBestMIP03) continue;
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;
forwardtrack->GetDZ(GetX(),GetY(),GetZ(),track->GetDP());
forwardtrack->SetD(0,track->GetD(0));
forwardtrack->SetD(1,track->GetD(1));
{
Int_t list[6];
AliITSRecPoint* clist[6];
track->SetChi2MIP(4,GetNumberOfSharedClusters(track,esdindex,list,clist));
if ( (!track->GetConstrain()) && track->GetChi2MIP(4)>1.0) continue;
}
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->GetChi2MIP(0);
if (fSelectBestMIP03) chi2 *= track->GetChi2MIP(3);
else chi2 += track->GetNUsed();
for (Int_t ichi=0;ichi<5;ichi++){
forwardtrack->SetChi2MIP(ichi, track->GetChi2MIP(ichi));
}
if (chi2 < minchi2){
besttrack = track;
besttrack->SetLabel(track->GetLabel());
besttrack->SetFakeRatio(track->GetFakeRatio());
minchi2 = chi2;
forwardtrack->GetDZ(GetX(),GetY(),GetZ(),original->GetDP());
}
}
delete backtrack;
delete forwardtrack;
if (!besttrack) return 0;
Int_t accepted=0;
for (Int_t i=0;i<entries;i++){
AliITStrackMI * track = (AliITStrackMI*)array->At(i);
if (!track) continue;
if (accepted>checkmax || track->GetChi2MIP(3)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)*6. ||
(track->GetNumberOfClusters()<besttrack->GetNumberOfClusters()-1.)
|| (!fSelectBestMIP03 && (track->GetChi2MIP(0)>besttrack->GetChi2MIP(0)+2.*besttrack->GetNUsed()+3.))
){
if (track->GetConstrain() || track->GetNumberOfClusters()>5){
delete array->RemoveAt(i);
continue;
}
}
else{
accepted++;
}
}
array->Compress();
SortTrackHypothesys(esdindex,checkmax,1);
array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) return 0;
besttrack = (AliITStrackMI*)array->At(0);
if (!besttrack) return 0;
besttrack->SetChi2MIP(8,0);
fBestTrackIndex[esdindex]=0;
entries = array->GetEntriesFast();
AliITStrackMI *longtrack =0;
minchi2 =1000;
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()<minn) continue;
if (track->GetChi2MIP(0)-besttrack->GetChi2MIP(0)>0.0) continue;
if (track->GetChi2MIP(0)>4.) continue;
minn = track->GetNumberOfClusters()+track->GetNDeadZone();
longtrack =track;
}
Int_t list[6];
AliITSRecPoint * clist[6];
Float_t shared = GetNumberOfSharedClusters(besttrack,esdindex,list,clist);
if (besttrack->GetConstrain()&&besttrack->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)&&besttrack->GetChi2MIP(1)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(1)
&&besttrack->GetChi2MIP(2)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)&&besttrack->GetChi2MIP(3)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)){
RegisterClusterTracks(besttrack,esdindex);
}
if (shared>0.0){
Int_t nshared;
Int_t overlist[6];
Int_t sharedtrack = GetOverlapTrack(besttrack, esdindex, nshared, list, overlist);
if (sharedtrack>=0){
besttrack = GetBest2Tracks(esdindex,sharedtrack,10,5.5,original);
if (besttrack){
shared = GetNumberOfSharedClusters(besttrack,esdindex,list,clist);
}
else return 0;
}
}
if (shared>2.5) return 0;
if (shared>1.0) return besttrack;
if (!besttrack->IsGoldPrimary()) return besttrack;
if (besttrack->GetESDtrack()->GetKinkIndex(0)!=0) return besttrack;
if (fConstraint[fPass]){
Float_t *ny = GetNy(esdindex), *nz = GetNz(esdindex);
for (Int_t i=0;i<6;i++){
Int_t index = besttrack->GetClIndex(i);
if (index<0) continue;
Int_t ilayer = (index & 0xf0000000) >> 28;
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;
if ( c->GetNz()> nz[i]+0.7) continue;
if ( ilayer>2&& AliITSReconstructor::GetRecoParam()->GetUseAmplitudeInfo(ilayer))
if (besttrack->GetNormQ(ilayer)/besttrack->GetExpQ()>1.5) continue;
Bool_t cansign = kTRUE;
for (Int_t itrack=0;itrack<entries; itrack++){
AliITStrackMI * track = (AliITStrackMI*)array->At(i);
if (!track) continue;
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->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)
{
Int_t nentries = itsTracks.GetEntriesFast();
for (Int_t i=0;i<nentries;i++){
AliITStrackMI* track = (AliITStrackMI*)itsTracks.At(i);
if (!track) continue;
TObjArray * array = (TObjArray*) fTrackHypothesys.At(i);
if (!array) continue;
if (array->GetEntriesFast()<=0) continue;
AliITStrackMI* longtrack=0;
Float_t minn=0;
Float_t maxchi2=1000;
for (Int_t j=0;j<array->GetEntriesFast();j++){
AliITStrackMI* trackHyp = (AliITStrackMI*)array->At(j);
if (!trackHyp) continue;
if (trackHyp->GetGoldV0()) {
longtrack = trackHyp;
break;
}
if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()<minn) continue;
Float_t chi2 = trackHyp->GetChi2MIP(0);
if (fSelectBestMIP03) chi2 *= trackHyp->GetChi2MIP(3);
if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()>minn) maxchi2 = chi2;
if (fAfterV0){
if (!trackHyp->GetGoldV0()&&trackHyp->GetConstrain()==kFALSE) chi2+=5;
}
if (chi2 > maxchi2) continue;
minn = trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone();
if (fSelectBestMIP03) minn++;
maxchi2 = chi2;
longtrack=trackHyp;
}
AliITStrackMI * besttrack = (AliITStrackMI*)array->At(0);
if (!longtrack) {longtrack = besttrack;}
else besttrack= longtrack;
if (besttrack) {
Int_t list[6];
AliITSRecPoint * clist[6];
Float_t shared = GetNumberOfSharedClusters(longtrack,i,list,clist);
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>=0) {
besttrack = GetBest2Tracks(i,sharedtrack,10,5.5,track);
}
}
if (besttrack&&fAfterV0) {
UpdateESDtrack(besttrack,AliESDtrack::kITSin);
track->SetWinner(besttrack);
}
if (besttrack) {
if (fConstraint[fPass]) {
UpdateESDtrack(besttrack,AliESDtrack::kITSin);
track->SetWinner(besttrack);
}
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::FlagFakes(const TObjArray &itsTracks)
{
const double kThreshPt = 0.5;
AliRefArray *refArr[6];
for (int i=0;i<6;i++) {
int ncl = fgLayers[i].GetNumberOfClusters();
refArr[i] = new AliRefArray(ncl,TMath::Min(ncl,1000));
}
Int_t nentries = itsTracks.GetEntriesFast();
for (Int_t itr=0;itr<nentries;itr++){
AliITStrackMI* track = (AliITStrackMI*)itsTracks.UncheckedAt(itr);
if (!track) continue;
AliITStrackMI* trackITS = track->GetWinner();
if (!trackITS) continue;
for (int il=trackITS->GetNumberOfClusters();il--;) {
int idx = trackITS->GetClusterIndex(il);
Int_t l=(idx & 0xf0000000) >> 28, c=(idx & 0x0fffffff) >> 00;
refArr[l]->AddReference(c, itr);
}
}
const UInt_t kMaxRef = 100;
UInt_t crefs[kMaxRef];
Int_t ncrefs=0;
for (int itr=0;itr<nentries;itr++){
AliITStrackMI* track0 = (AliITStrackMI*)itsTracks.UncheckedAt(itr);
AliITStrackMI* trackH0 = track0->GetWinner();
if (!trackH0) continue;
AliESDtrack* esd0 = track0->GetESDtrack();
for (int il=0;il<trackH0->GetNumberOfClusters();il++) {
int idx = trackH0->GetClusterIndex(il);
Int_t l=(idx & 0xf0000000) >> 28, c=(idx & 0x0fffffff) >> 00;
ncrefs = refArr[l]->GetReferences(c,crefs,kMaxRef);
if (ncrefs<2) continue;
esd0->SetITSSharedFlag(l);
for (int ir=ncrefs;ir--;) {
if (int(crefs[ir]) <= itr) continue;
AliITStrackMI* track1 = (AliITStrackMI*)itsTracks.UncheckedAt(crefs[ir]);
AliITStrackMI* trackH1 = track1->GetWinner();
AliESDtrack* esd1 = track1->GetESDtrack();
esd1->SetITSSharedFlag(l);
double pt0 = trackH0->Pt(), pt1 = trackH1->Pt(), res = 0.;
if (pt0>kThreshPt && pt0-pt1>0.2+0.2*(pt0-kThreshPt) ) res = -100;
else if (pt1>kThreshPt && pt1-pt0>0.2+0.2*(pt1-kThreshPt) ) res = 100;
res += trackH0->GetChi2MIP(0)*trackH0->GetChi2MIP(3);
res -= trackH1->GetChi2MIP(0)*trackH1->GetChi2MIP(3);
if (res<0) esd1->SetITSFakeFlag();
else esd0->SetITSFakeFlag();
}
}
}
for (int i=6;i--;) delete refArr[i];
}
void AliITStrackerMI::CookLabel(AliITStrackMI *track,Float_t wrong) const {
const int kMaxLbPerCl = 3;
int lbID[36],lbStat[36];
Int_t nLab=0, nCl = track->GetNumberOfClusters();
for (Int_t i=0;i<nCl;i++) {
Int_t cindex = track->GetClusterIndex(i);
AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(cindex);
for (int imc=0;imc<kMaxLbPerCl;imc++) {
int trLb = cl->GetLabel(imc);
if (trLb<0) break;
int iLab;
for (iLab=0;iLab<nLab;iLab++) if (lbID[iLab]==trLb) break;
if (iLab<nLab) lbStat[iLab]++;
else {
lbID[nLab] = trLb;
lbStat[nLab++] = 1;
}
}
}
if (nLab<1) return;
Int_t tpcLabel=-1;
if (track->GetESDtrack() && track->GetESDtrack()->IsOn(AliESDtrack::kTPCin)){
tpcLabel = TMath::Abs(track->GetESDtrack()->GetTPCLabel());
}
if (nCl && nLab) {
int maxLab=0,tpcLabID=-1;
for (int ilb=nLab;ilb--;) {
int st = lbStat[ilb];
if (lbStat[maxLab]<st) maxLab = ilb;
if (lbID[ilb] == tpcLabel) tpcLabID = ilb;
}
if (tpcLabel>0 && (tpcLabID!=maxLab) && lbStat[maxLab]==lbStat[tpcLabID]) maxLab=tpcLabID;
track->SetFakeRatio(1.-float(lbStat[maxLab])/nCl);
track->SetLabel( lbStat[maxLab]>=nCl-wrong ? lbID[maxLab] : -lbID[maxLab]);
}
}
void AliITStrackerMI::CookdEdx(AliITStrackMI* track){
track->SetChi2MIP(9,0);
for (Int_t i=0;i<track->GetNumberOfClusters();i++){
Int_t cindex = track->GetClusterIndex(i);
Int_t l=(cindex & 0xf0000000) >> 28;
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->SetChi2MIP(9,track->GetChi2MIP(9)+isWrong*(2<<l));
}
Double_t low=0.;
Double_t up=0.51;
track->CookdEdx(low,up);
}
void AliITStrackerMI::MakeCoefficients(Int_t ntracks){
if (fCoefficients) delete []fCoefficients;
fCoefficients = new Float_t[ntracks*48];
for (Int_t i=0;i<ntracks*48;i++) fCoefficients[i]=-1.;
}
Double_t AliITStrackerMI::GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer)
{
Double_t xTrOrig=track->GetX();
if (!track->Propagate(xTrOrig+cluster->GetX())) return 1000.;
Float_t erry,errz,covyz;
Float_t theta = track->GetTgl();
Float_t phi = track->GetSnp();
phi *= TMath::Sqrt(1./((1.-phi)*(1.+phi)));
AliITSClusterParam::GetError(layer,cluster,theta,phi,track->GetExpQ(),erry,errz,covyz);
AliDebug(2,Form(" chi2: tr-cl %f %f tr X %f cl X %f",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()));
AliDebug(2,Form(" chi2: tr-cl %f %f tr X %f cl X %f",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()));
Double_t chi2 = track->GetPredictedChi2MI(cluster->GetY(),cluster->GetZ(),erry,errz,covyz);
if (!track->Propagate(xTrOrig)) return 1000.;
Float_t 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->SetNy(layer,ny);
track->SetNz(layer,nz);
track->SetSigmaY(layer,erry);
track->SetSigmaZ(layer, errz);
track->SetSigmaYZ(layer,covyz);
track->SetNormQ(layer,cluster->GetQ()/TMath::Sqrt((1.+ track->GetTgl()*track->GetTgl())/((1.-track->GetSnp())*(1.+track->GetSnp()))));
return chi2;
}
Int_t AliITStrackerMI::UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t index) const
{
Int_t layer = (index & 0xf0000000) >> 28;
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.);
}
}
if (TMath::Abs(cl->GetQ())<1.e-13) return 0;
Double_t xTrOrig=track->GetX();
Float_t clxyz[3]; cl->GetGlobalXYZ(clxyz);Double_t trxyz[3]; track->GetXYZ(trxyz);
AliDebug(2,Form("gtr %f %f %f",trxyz[0],trxyz[1],trxyz[2]));
AliDebug(2,Form("gcl %f %f %f",clxyz[0],clxyz[1],clxyz[2]));
AliDebug(2,Form(" xtr %f xcl %f",track->GetX(),cl->GetX()));
if (!track->Propagate(xTrOrig+cl->GetX())) return 0;
AliCluster c(*cl);
c.SetSigmaY2(track->GetSigmaY(layer)*track->GetSigmaY(layer));
c.SetSigmaZ2(track->GetSigmaZ(layer)*track->GetSigmaZ(layer));
c.SetSigmaYZ(track->GetSigmaYZ(layer));
Int_t updated = track->UpdateMI(&c,chi2,index);
if (!track->Propagate(xTrOrig)) return 0;
if(!updated) AliDebug(2,"update failed");
return updated;
}
void AliITStrackerMI::GetDCASigma(const AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz)
{
Double_t curv=track->GetC();
sigmarfi = 0.0040+1.4 *TMath::Abs(curv)+332.*curv*curv;
sigmaz = 0.0110+4.37*TMath::Abs(curv);
}
void AliITStrackerMI::SignDeltas(const TObjArray *clusterArray, Float_t vz)
{
Int_t entries = clusterArray->GetEntriesFast();
if (entries<4) return;
AliITSRecPoint* cluster = (AliITSRecPoint*)clusterArray->At(0);
Int_t layer = cluster->GetLayer();
if (layer>1) return;
Int_t index[10000];
Int_t ncandidates=0;
Float_t r = (layer>0)? 7:4;
for (Int_t i=0;i<entries;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;
ncandidates++;
if (cl0->GetNy()+cl0->GetNz()>9+2*layer+nz) {
cl0->SetDeltaProbability(1);
}
}
for (Int_t i=0;i<ncandidates;i++){
AliITSRecPoint* cl0 = (AliITSRecPoint*)clusterArray->At(index[i]);
if (cl0->GetDeltaProbability()>0.8) continue;
Int_t ncl = 0;
Float_t y[100],z[100],sumy,sumz,sumy2, sumyz, sumw;
sumy=sumz=sumy2=sumyz=sumw=0.0;
for (Int_t j=0;j<ncandidates;j++){
if (i==j) continue;
AliITSRecPoint* cl1 = (AliITSRecPoint*)clusterArray->At(index[j]);
Float_t dz = cl0->GetZ()-cl1->GetZ();
Float_t dy = cl0->GetY()-cl1->GetY();
if (TMath::Sqrt(dz*dz+dy*dy)<0.2){
Float_t weight = cl1->GetNy()+cl1->GetNz()-2;
y[ncl] = cl1->GetY();
z[ncl] = cl1->GetZ();
sumy+= y[ncl]*weight;
sumz+= z[ncl]*weight;
sumy2+=y[ncl]*y[ncl]*weight;
sumyz+=y[ncl]*z[ncl]*weight;
sumw+=weight;
ncl++;
}
}
if (ncl<4) continue;
Float_t det = sumw*sumy2 - sumy*sumy;
Float_t delta=1000;
if (TMath::Abs(det)>0.01){
Float_t z0 = (sumy2*sumz - sumy*sumyz)/det;
Float_t k = (sumyz*sumw - sumy*sumz)/det;
delta = TMath::Abs(cl0->GetZ()-(z0+k*cl0->GetY()));
}
else{
Float_t z0 = sumyz/sumy;
delta = TMath::Abs(cl0->GetZ()-z0);
}
if ( delta<0.05) {
cl0->SetDeltaProbability(1-20.*delta);
}
}
}
void AliITStrackerMI::UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const
{
track->UpdateESDtrack(flags);
AliITStrackMI * oldtrack = (AliITStrackMI*)(track->GetESDtrack()->GetITStrack());
if (oldtrack) delete oldtrack;
track->GetESDtrack()->SetITStrack(new AliITStrackMI(*track));
}
Int_t AliITStrackerMI::GetNearestLayer(const Double_t *xr) const{
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 (radius<kRadiuses[i]){
res =i;
break;
}
}
return res;
}
void AliITStrackerMI::BuildMaterialLUT(TString material) {
Int_t n=1000;
Double_t mparam[7];
Double_t point1[3],point2[3];
Double_t phi,cosphi,sinphi,z;
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");
}
const double kAngEps = 1e-4;
for(Int_t imat=ifirst; imat<=ilast; imat++) {
Double_t param[5]={0.,0.,0.,0.,0.};
for (Int_t i=0; i<n; i++) {
phi = 2.*TMath::Pi()*gRandom->Rndm();
cosphi = TMath::Cos(phi); sinphi = TMath::Sin(phi);
z = 14.*(-1.+2.*gRandom->Rndm());
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+(rmax[imat]-rmin[imat])*kAngEps;
AliTracker::MeanMaterialBudget(point1,point2,mparam);
if (mparam[1]>999) {n--; continue;}
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];
}
}
return;
}
Int_t AliITStrackerMI::CorrectForPipeMaterial(AliITStrackMI *t,
TString direction) {
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;
switch(mode) {
case 0:
xOverX0 = AliITSRecoParam::GetdPipe();
x0 = AliITSRecoParam::GetX0Be();
lengthTimesMeanDensity = xOverX0*x0;
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 1:
if (!t->PropagateToTGeo(xToGo,1)) return 0;
break;
case 2:
if(fxOverX0Pipe<0) BuildMaterialLUT("Pipe");
xOverX0 = fxOverX0Pipe;
lengthTimesMeanDensity = fxTimesRhoPipe;
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
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())*(1.+t->GetSnp())));
fxOverX0PipeTrks[index] = TMath::Abs(xOverX0)/angle;
fxTimesRhoPipeTrks[index] = TMath::Abs(lengthTimesMeanDensity)/angle;
return 1;
}
xOverX0 = fxOverX0PipeTrks[index];
lengthTimesMeanDensity = fxTimesRhoPipeTrks[index];
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
}
return 1;
}
Int_t AliITStrackerMI::CorrectForShieldMaterial(AliITStrackMI *t,
TString shield,
TString direction) {
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")) {
rToGo=(dir>0 ? AliITSRecoParam::GetrInsideShield(1) : AliITSRecoParam::GetrOutsideShield(1));
shieldindex=1;
} else if (shield.Contains("SPD")) {
rToGo=(dir>0 ? AliITSRecoParam::GetrInsideShield(0) : AliITSRecoParam::GetrOutsideShield(0));
shieldindex=0;
} else {
Error("CorrectForShieldMaterial"," Wrong shield name\n");
return 0;
}
Double_t rTrack = TMath::Sqrt(t->GetX()*t->GetX()+t->GetY()*t->GetY());
if(dir<0 && rTrack > rToGo) return 1;
if(dir>0 && rTrack < rToGo) return 1;
Double_t xToGo;
if (!t->GetLocalXat(rToGo,xToGo)) return 0;
Int_t index=2*fCurrentEsdTrack+shieldindex;
Double_t xOverX0,x0,lengthTimesMeanDensity;
Int_t nsteps=1;
switch(mode) {
case 0:
xOverX0 = AliITSRecoParam::Getdshield(shieldindex);
x0 = AliITSRecoParam::GetX0shield(shieldindex);
lengthTimesMeanDensity = xOverX0*x0;
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 1:
nsteps= (Int_t)(TMath::Abs(t->GetX()-xToGo)/AliITSReconstructor::GetRecoParam()->GetStepSizeTGeo())+1;
if (!t->PropagateToTGeo(xToGo,nsteps)) return 0;
break;
case 2:
if(fxOverX0Shield[shieldindex]<0) BuildMaterialLUT("Shields");
xOverX0 = fxOverX0Shield[shieldindex];
lengthTimesMeanDensity = fxTimesRhoShield[shieldindex];
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
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())*(1.+t->GetSnp())));
fxOverX0ShieldTrks[index] = TMath::Abs(xOverX0)/angle;
fxTimesRhoShieldTrks[index] = TMath::Abs(lengthTimesMeanDensity)/angle;
return 1;
}
xOverX0 = fxOverX0ShieldTrks[index];
lengthTimesMeanDensity = fxTimesRhoShieldTrks[index];
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
}
return 1;
}
Int_t AliITStrackerMI::CorrectForLayerMaterial(AliITStrackMI *t,
Int_t layerindex,
Double_t oldGlobXYZ[3],
TString direction) {
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 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;
Double_t xOverX0=0.0,x0=0.0,lengthTimesMeanDensity=0.0;
Int_t nsteps=1;
Double_t rOld,xOld;
rOld=TMath::Sqrt(oldGlobXYZ[0]*oldGlobXYZ[0]+oldGlobXYZ[1]*oldGlobXYZ[1]);
if (!t->GetLocalXat(rOld,xOld)) return 0;
if (!t->Propagate(xOld)) return 0;
switch(mode) {
case 0:
xOverX0 = fgLayers[layerindex].GetThickness(t->GetY(),t->GetZ(),x0);
lengthTimesMeanDensity = xOverX0*x0;
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 1:
nsteps = (Int_t)(TMath::Abs(xOld-xToGo)/AliITSReconstructor::GetRecoParam()->GetStepSizeTGeo())+1;
if (!t->PropagateToTGeo(xToGo,nsteps)) return 0;
break;
case 2:
if(fxOverX0Layer[layerindex]<0) BuildMaterialLUT("Layers");
xOverX0 = fxOverX0Layer[layerindex];
lengthTimesMeanDensity = fxTimesRhoLayer[layerindex];
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 3:
if(!fxOverX0LayerTrks || index<0 || index>=6*fNtracks) Error("CorrectForLayerMaterial","Incorrect usage of UseTGeo option!\n");
if(fxOverX0LayerTrks[index]<0) {
nsteps = (Int_t)(TMath::Abs(xOld-xToGo)/AliITSReconstructor::GetRecoParam()->GetStepSizeTGeo())+1;
if (!t->PropagateToTGeo(xToGo,nsteps,xOverX0,lengthTimesMeanDensity)) return 0;
Double_t angle=TMath::Sqrt((1.+t->GetTgl()*t->GetTgl())/
((1.-t->GetSnp())*(1.+t->GetSnp())));
fxOverX0LayerTrks[index] = TMath::Abs(xOverX0)/angle;
fxTimesRhoLayerTrks[index] = TMath::Abs(lengthTimesMeanDensity)/angle;
return 1;
}
xOverX0 = fxOverX0LayerTrks[index];
lengthTimesMeanDensity = fxTimesRhoLayerTrks[index];
lengthTimesMeanDensity *= dir;
if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
}
return 1;
}
void AliITStrackerMI::MakeTrksMaterialLUT(Int_t ntracks) {
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<ntracks; i++) {
fxOverX0PipeTrks[i] = -1.;
fxTimesRhoPipeTrks[i] = -1.;
}
for(Int_t j=0; j<ntracks*2; j++) {
fxOverX0ShieldTrks[j] = -1.;
fxTimesRhoShieldTrks[j] = -1.;
}
for(Int_t k=0; k<ntracks*6; k++) {
fxOverX0LayerTrks[k] = -1.;
fxTimesRhoLayerTrks[k] = -1.;
}
fNtracks = ntracks;
return;
}
void AliITStrackerMI::DeleteTrksMaterialLUT() {
if(fxOverX0PipeTrks) {
delete [] fxOverX0PipeTrks; fxOverX0PipeTrks = 0;
}
if(fxOverX0ShieldTrks) {
delete [] fxOverX0ShieldTrks; fxOverX0ShieldTrks = 0;
}
if(fxOverX0LayerTrks) {
delete [] fxOverX0LayerTrks; fxOverX0LayerTrks = 0;
}
if(fxTimesRhoPipeTrks) {
delete [] fxTimesRhoPipeTrks; fxTimesRhoPipeTrks = 0;
}
if(fxTimesRhoShieldTrks) {
delete [] fxTimesRhoShieldTrks; fxTimesRhoShieldTrks = 0;
}
if(fxTimesRhoLayerTrks) {
delete [] fxTimesRhoLayerTrks; fxTimesRhoLayerTrks = 0;
}
return;
}
void AliITStrackerMI::SetForceSkippingOfLayer() {
const AliEventInfo *eventInfo = GetEventInfo();
for(Int_t l=0; l<AliITSgeomTGeo::kNLayers; l++) {
fForceSkippingOfLayer[l] = 0;
if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(l)) fForceSkippingOfLayer[l] = 1;
if(eventInfo &&
AliITSReconstructor::GetRecoParam()->GetSkipSubdetsNotInTriggerCluster()) {
AliDebug(2,Form("GetEventInfo->GetTriggerCluster: %s",eventInfo->GetTriggerCluster()));
if(l==0 || l==1) {
if(!strstr(eventInfo->GetTriggerCluster(),"ITSSPD")) fForceSkippingOfLayer[l] = 1;
} else if(l==2 || l==3) {
if(!strstr(eventInfo->GetTriggerCluster(),"ITSSDD")) fForceSkippingOfLayer[l] = 1;
} else {
if(!strstr(eventInfo->GetTriggerCluster(),"ITSSSD")) fForceSkippingOfLayer[l] = 1;
}
}
}
return;
}
Int_t AliITStrackerMI::CheckSkipLayer(const AliITStrackMI *track,
Int_t ilayer,Int_t idet) const {
if (ForceSkippingOfLayer(ilayer)) return 1;
Int_t innerLayCanSkip=0;
if (idet<0 &&
ilayer>innerLayCanSkip &&
AliITSReconstructor::GetRecoParam()->GetExtendedEtaAcceptance()) {
Double_t phiAtSPD2,zAtSPD2;
if (track->GetPhiZat(fgLayers[1].GetR(),phiAtSPD2,zAtSPD2)) {
if (TMath::Abs(zAtSPD2)<2.*AliITSRecoParam::GetSPDdetzlength()) return 2;
}
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 {
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()-dz<zmaxdead[i] && track->GetZ()+dz>zmindead[i]) {
AliDebug(2,Form("crack SPD %d track z %f %f %f %f\n",ilayer,track->GetZ(),dz,zmaxdead[i],zmindead[i]));
if (GetSPDDeadZoneProbability(track->GetZ(),TMath::Sqrt(track->GetSigmaZ2()))>0.1) return 1;
}
}
if (!AliITSReconstructor::GetRecoParam()->GetUseBadZonesFromOCDB()) return 0;
if (idet<0) return 0;
AliITSdetector &det=fgLayers[ilayer].GetDetector(idet);
Int_t detType=-1;
Float_t detSizeFactorX=0.0001,detSizeFactorZ=0.0001;
if (ilayer==0 || ilayer==1) {
detType = 0;
} else if (ilayer==2 || ilayer==3) {
detType = 1;
detSizeFactorX *= 2.;
} else if (ilayer==4 || ilayer==5) {
detType = 2;
}
AliITSsegmentation *segm = (AliITSsegmentation*)fkDetTypeRec->GetSegmentationModel(detType);
if (detType==2) segm->SetLayer(ilayer+1);
Float_t detSizeX = detSizeFactorX*segm->Dx();
Float_t detSizeZ = detSizeFactorZ*segm->Dz();
Float_t xloc,zloc;
if(!(LocalModuleCoord(ilayer,idet,track,xloc,zloc)))return 0;
Float_t zlocmin = zloc-dz;
Float_t zlocmax = zloc+dz;
Float_t xlocmin = xloc-dy;
Float_t xlocmax = xloc+dy;
Int_t chipsInRoad[100];
Bool_t touchNeighbourDet=kFALSE;
if (TMath::Abs(xlocmin)>0.5*detSizeX) {xlocmin=-0.4999*detSizeX; touchNeighbourDet=kTRUE;}
if (TMath::Abs(xlocmax)>0.5*detSizeX) {xlocmax=+0.4999*detSizeX; touchNeighbourDet=kTRUE;}
if (TMath::Abs(zlocmin)>0.5*detSizeZ) {zlocmin=-0.4999*detSizeZ; touchNeighbourDet=kTRUE;}
if (TMath::Abs(zlocmax)>0.5*detSizeZ) {zlocmax=+0.4999*detSizeZ; touchNeighbourDet=kTRUE;}
AliDebug(2,Form("layer %d det %d zmim zmax %f %f xmin xmax %f %f %f %f",ilayer,idet,zlocmin,zlocmax,xlocmin,xlocmax,detSizeZ,detSizeX));
if (det.IsBad()) {
AliDebug(2,Form("lay %d bad detector %d",ilayer,idet));
if(!touchNeighbourDet) {
return 2;
} else {
return 3;
}
}
if(zlocmin>zlocmax)return 0;
Int_t nChipsInRoad = segm->GetChipsInLocalWindow(chipsInRoad,zlocmin,zlocmax,xlocmin,xlocmax);
AliDebug(2,Form("lay %d nChipsInRoad %d",ilayer,nChipsInRoad));
if (!nChipsInRoad) return 0;
Bool_t anyBad=kFALSE,anyGood=kFALSE;
for (Int_t iCh=0; iCh<nChipsInRoad; iCh++) {
if (chipsInRoad[iCh]<0 || chipsInRoad[iCh]>det.GetNChips()-1) continue;
AliDebug(2,Form(" chip %d bad %d",chipsInRoad[iCh],(Int_t)det.IsChipBad(chipsInRoad[iCh])));
if (det.IsChipBad(chipsInRoad[iCh])) {
anyBad=kTRUE;
} else {
anyGood=kTRUE;
}
}
if (!anyGood) {
if(!touchNeighbourDet) {
AliDebug(2,"all bad in road");
return 2;
} else {
return 3;
}
}
if (anyBad) {
AliDebug(2,"at least a bad in road");
return 3;
}
if (!AliITSReconstructor::GetRecoParam()->GetUseSingleBadChannelsFromOCDB()
|| !noClusters) return 0;
Int_t idetInITS=idet;
for(Int_t l=0;l<ilayer;l++) idetInITS+=AliITSgeomTGeo::GetNLadders(l+1)*AliITSgeomTGeo::GetNDetectors(l+1);
if (fITSChannelStatus->AnyBadInRoad(idetInITS,zlocmin,zlocmax,xlocmin,xlocmax)) {
AliDebug(2,Form("Bad channel in det %d of layer %d\n",idet,ilayer));
return 4;
}
return 0;
}
Bool_t AliITStrackerMI::LocalModuleCoord(Int_t ilayer,Int_t idet,
const AliITStrackMI *track,
Float_t &xloc,Float_t &zloc) const {
xloc=0.;
zloc=0.;
if(idet<0) return kTRUE;
Int_t ndet=AliITSgeomTGeo::GetNDetectors(ilayer+1);
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);
if(!track->GetXYZAt(detector.GetRmisal(),GetBz(),xyzGlob)) return kFALSE;
if(!AliITSgeomTGeo::GlobalToLocal(ilayer+1,lad,det,xyzGlob,xyzLoc)) return kFALSE;
xloc = (Float_t)xyzLoc[0];
zloc = (Float_t)xyzLoc[2];
return kTRUE;
}
Bool_t AliITStrackerMI::IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer){
Int_t index[AliITSgeomTGeo::kNLayers];
Int_t k;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) index[k]=-1;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) {
index[k]=clusters[k];
}
if(!fPlaneEff)
{AliWarning("IsOKForPlaneEff: null pointer to AliITSPlaneEff"); return kFALSE;}
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
AliITStrackMI tmp(*track);
Int_t nclout=0; Int_t nclin=0;
for(Int_t lay=AliITSgeomTGeo::kNLayers-1;lay>ilayer;lay--) {
AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay,
tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ;
if(index[lay]>=0)nclout++;
}
for(Int_t lay=ilayer-1; lay>=0;lay--) {
AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay,
tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ;
if (index[lay]>=0) nclin++;
}
Int_t ncl=nclout+nclin;
Bool_t nextout = kFALSE;
if(ilayer==AliITSgeomTGeo::kNLayers-1) nextout=kTRUE;
else nextout = ((tmp.GetClIndex(ilayer+1)>=0)? kTRUE : kFALSE );
Bool_t nextin = kFALSE;
if(ilayer==0) nextin=kTRUE;
else nextin = ((index[ilayer-1]>=0)? kTRUE : kFALSE );
if(nclout<AliITSgeomTGeo::kNLayers-(ilayer+1)-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersOutPlaneEff())
return kFALSE;
if(ncl<AliITSgeomTGeo::kNLayers-1-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersPlaneEff())
return kFALSE;
if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInOuterLayerPlaneEff() && !nextout) return kFALSE;
if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInInnerLayerPlaneEff() && !nextin) return kFALSE;
if(tmp.Pt() < AliITSReconstructor::GetRecoParam()->GetMinPtPlaneEff()) return kFALSE;
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;}
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;
Double_t nsigx=AliITSReconstructor::GetRecoParam()->GetNSigXFromBoundaryPlaneEff();
Double_t nsigz=AliITSReconstructor::GetRecoParam()->GetNSigZFromBoundaryPlaneEff();
Double_t distx=AliITSReconstructor::GetRecoParam()->GetDistXFromBoundaryPlaneEff();
Double_t distz=AliITSReconstructor::GetRecoParam()->GetDistZFromBoundaryPlaneEff();
Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()) + distx;
Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()) + distz;
if(AliITSReconstructor::GetRecoParam()->GetSwitchOnMaxDistNSigFrmBndPlaneEff()){
if(nsigx*TMath::Sqrt(tmp.GetSigmaY2())<=distx) dx -= nsigx*TMath::Sqrt(tmp.GetSigmaY2());
else dx -= distx;
if(nsigz*TMath::Sqrt(tmp.GetSigmaZ2())<=distz) dz -= nsigz*TMath::Sqrt(tmp.GetSigmaZ2());
else dz -= distz;
}
Double_t boundaryWidth=0;
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;
if(ilayer==0){
const AliESDEvent *myesd = ((AliESDtrack*)tmp.GetESDtrack())->GetESDEvent();
if (CorrectForPipeMaterial(&tmp,"inward")) {
const AliESDVertex* vtx = myesd->GetVertex();
if(!vtx) return kFALSE;
Double_t ddz[2],cov[3];
Double_t maxD=3.;
if(!tmp.PropagateToDCA(vtx,AliTracker::GetBz(),maxD,ddz,cov)) return kFALSE;
if(TMath::Abs(ddz[0])>=AliITSReconstructor::GetRecoParam()->GetDCACutPlaneEff()) return kFALSE;
Double_t covar[6]; vtx->GetCovMatrix(covar);
Double_t p[2]={tmp.GetParameter()[0]-ddz[0],tmp.GetParameter()[1]-ddz[1]};
Double_t c[3]={covar[2],0.,covar[5]};
Double_t chi2= ((AliESDtrack*)tmp.GetESDtrack())->GetPredictedChi2(p,c);
if (chi2>AliITSReconstructor::GetRecoParam()->GetVertexChi2CutPlaneEff()) return kFALSE;
} else return kFALSE;
}
return kTRUE;
}
void AliITStrackerMI::UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer) {
if(!fPlaneEff)
{AliWarning("UseTrackForPlaneEff: null pointer to AliITSPlaneEff"); return;}
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
AliITStrackMI tmp(*track);
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;}
const AliITSdetector &det=layer.GetDetector(idet);
if (!tmp.Propagate(det.GetPhi(),det.GetR())) return;
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));
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;
layer.SelectClusters(zmin,zmax,ymin,ymax);
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(AliITSReconstructor::GetRecoParam()->GetSwitchOffStdSearchClusPlaneEff()){
Double_t nsigx=AliITSReconstructor::GetRecoParam()->GetNSigXSearchClusterPlaneEff();
Double_t nsigz=AliITSReconstructor::GetRecoParam()->GetNSigZSearchClusterPlaneEff();
Double_t distx=AliITSReconstructor::GetRecoParam()->GetDistXSearchClusterPlaneEff();
Double_t distz=AliITSReconstructor::GetRecoParam()->GetDistZSearchClusterPlaneEff();
msy = nsigx*TMath::Sqrt(tmp.GetSigmaY2()) + distx;
msz = nsigz*TMath::Sqrt(tmp.GetSigmaZ2()) + distz;
if(AliITSReconstructor::GetRecoParam()->GetSwitchOnMaxDistNSigSrhClusPlaneEff()){
if(nsigx*TMath::Sqrt(tmp.GetSigmaY2())<=distx) msy -= nsigx*TMath::Sqrt(tmp.GetSigmaY2());
else msy -= distx;
if(nsigz*TMath::Sqrt(tmp.GetSigmaZ2())<=distz) msz -= nsigz*TMath::Sqrt(tmp.GetSigmaZ2());
else msz -= distz;
}
msy *= msy;
msz *= msz;
}
if(msz==0 || msy==0){AliWarning("UseTrackForPlaneEff: null search frame"); return;}
msz = 1./msz;
msy = 1./msy;
const AliITSRecPoint *cl=0; Int_t clidx=-1, ci=-1;
Int_t idetc=-1;
Double_t chi2trkcl=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2();
Float_t locx;
Float_t locz;
if(!LocalModuleCoord(ilayer,idet,&tmp,locx,locz)) return;
AliDebug(2,Form("ilayer= %d, idet=%d, x= %f, z=%f",ilayer,idet,locx,locz));
UInt_t key=fPlaneEff->GetKeyFromDetLocCoord(ilayer,idet,locx,locz);
if(key>fPlaneEff->Nblock()) return;
Bool_t found=kFALSE;
Double_t chi2;
while ((cl=layer.GetNextCluster(clidx))!=0) {
idetc = cl->GetDetectorIndex();
if(idet!=idetc) continue;
if ( (tmp.GetZ()-cl->GetZ())*(tmp.GetZ()-cl->GetZ())*msz +
(tmp.GetY()-cl->GetY())*(tmp.GetY()-cl->GetY())*msy > 1. ) continue;
chi2 = GetPredictedChi2MI(&tmp,cl,ilayer);
if (chi2 > AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) continue;
found=kTRUE;
if (chi2<chi2trkcl) { chi2trkcl=chi2; ci=clidx; }
}
if(!fPlaneEff->UpDatePlaneEff(found,key))
AliWarning(Form("UseTrackForPlaneEff: cannot UpDate PlaneEff for key=%d",key));
UInt_t keyFO=999999;
Bool_t foundFO=kFALSE;
if(ilayer<2){
TBits mapFO = fkDetTypeRec->GetFastOrFiredMap();
Int_t phase = (fEsd->GetBunchCrossNumber())%4;
if(!fSPDChipIntPlaneEff[key]){
AliITSPlaneEffSPD spd;
keyFO = spd.SwitchChipKeyNumbering(key);
if(mapFO.TestBitNumber(keyFO))foundFO=kTRUE;
keyFO = key + (AliITSPlaneEffSPD::kNModule*AliITSPlaneEffSPD::kNChip)*(phase+1);
if(keyFO<AliITSPlaneEffSPD::kNModule*AliITSPlaneEffSPD::kNChip) {
AliWarning(Form("UseTrackForPlaneEff: too small keyF0 (= %d), setting it to 999999",keyFO));
keyFO=999999;
}
if(!fPlaneEff->UpDatePlaneEff(foundFO,keyFO))
AliWarning(Form("UseTrackForPlaneEff: cannot UpDate PlaneEff for FastOR for key=%d",keyFO));
}
}
if(fPlaneEff->GetCreateHistos()&& AliITSReconstructor::GetRecoParam()->GetHistoPlaneEff()) {
Float_t tr[4]={99999.,99999.,9999.,9999.};
Float_t clu[4]={-99999.,-99999.,9999.,9999.};
Int_t cltype[2]={-999,-999};
Float_t angleModTrack[3]={99999.,99999.,99999.};
tr[0]=locx;
tr[1]=locz;
tr[2]=TMath::Sqrt(tmp.GetSigmaY2());
tr[3]=TMath::Sqrt(tmp.GetSigmaZ2());
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();
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));
clu[2]=TMath::Sqrt(c.GetSigmaY2());
clu[3]=TMath::Sqrt(c.GetSigmaZ2());
}
Float_t tgl = tmp.GetTgl();
Float_t phitr = tmp.GetSnp();
phitr = TMath::ASin(phitr);
Int_t volId = AliGeomManager::LayerToVolUIDSafe(ilayer+1 ,idet );
Double_t tra[3]; AliGeomManager::GetOrigTranslation(volId,tra);
Double_t rot[9]; AliGeomManager::GetOrigRotation(volId,rot);
Double_t alpha =0.;
alpha = tmp.GetAlpha();
Double_t phiglob = alpha+phitr;
Double_t p[3];
p[0] = TMath::Cos(phiglob);
p[1] = TMath::Sin(phiglob);
p[2] = tgl;
TVector3 pvec(p[0],p[1],p[2]);
TVector3 normvec(rot[1],rot[4],rot[7]);
Double_t angle = pvec.Angle(normvec);
if(angle>0.5*TMath::Pi()) angle = (TMath::Pi()-angle);
angle *= 180./TMath::Pi();
TVector3 pt(p[0],p[1],0);
TVector3 normt(rot[1],rot[4],0);
Double_t anglet = pt.Angle(normt);
Double_t phiPt = TMath::ATan2(p[1],p[0]);
if(phiPt<0)phiPt+=2.*TMath::Pi();
Double_t phiNorm = TMath::ATan2(rot[4],rot[1]);
if(phiNorm<0) phiNorm+=2.*TMath::Pi();
if(anglet>0.5*TMath::Pi()) anglet = (TMath::Pi()-anglet);
if(phiNorm>phiPt) anglet*=-1.;
if((phiNorm-phiPt)>TMath::Pi()) anglet*=-1.;
anglet *= 180./TMath::Pi();
angleModTrack[2]=(Float_t) angle;
angleModTrack[0]=(Float_t) anglet;
angleModTrack[1]=TMath::ACos(tgl/TMath::Sqrt(tgl*tgl+1.));
angleModTrack[1]-=TMath::Pi()/2.;
angleModTrack[1]*=180./TMath::Pi();
fPlaneEff->FillHistos(key,found,tr,clu,cltype,angleModTrack);
if(ilayer<2 && !fSPDChipIntPlaneEff[key]) fPlaneEff->FillHistos(keyFO,foundFO,tr,clu,cltype,angleModTrack);
}
if(ilayer<2) fSPDChipIntPlaneEff[key]=kTRUE;
return;
}
Int_t AliITStrackerMI::FindClusterOfTrack(int label, int lr, int* store) const
{
return fgLayers[lr].FindClusterForLabel(label,store);
}
Int_t AliITStrackerMI::AliITSlayer::FindClusterForLabel(Int_t label, Int_t *store) const
{
int nfound = 0;
for (int ic=0;ic<fN;ic++) {
const AliITSRecPoint *cl = GetCluster(ic);
for (int i=0;i<3;i++) if (cl->GetLabel(i)==label) {
if (nfound<50) {
if (store) store[nfound] = ic;
nfound++;
}
break;
}
}
return nfound;
}