#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 "AliITSV0Finder.h"
#include "AliITStrackerMI.h"
#include "AliMathBase.h"
+#include "AliPID.h"
+
ClassImp(AliITStrackerMI)
fTrackingPhase("Default"),
fUseTGeo(3),
fNtracks(0),
+fFlagFakes(kFALSE),
+fSelectBestMIP03(kFALSE),
+fUseImproveKalman(kFALSE),
fxOverX0Pipe(-1.),
fxTimesRhoPipe(-1.),
fxOverX0PipeTrks(0),
fDebugStreamer(0),
fITSChannelStatus(0),
fkDetTypeRec(0),
-fPlaneEff(0) {
+fPlaneEff(0),
+fSPDChipIntPlaneEff(0),
+fITSPid(0)
+
+ {
//Default constructor
Int_t i;
for(i=0;i<4;i++) fSPDdetzcentre[i]=0.;
- for(i=0;i<2;i++) {fxOverX0Shield[i]=-1.;fxTimesRhoShield[i]=-1.;}
+ for(i=0;i<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(),
fTrackingPhase("Default"),
fUseTGeo(3),
fNtracks(0),
+fFlagFakes(kFALSE),
+fSelectBestMIP03(kFALSE),
+fUseImproveKalman(kFALSE),
fxOverX0Pipe(-1.),
fxTimesRhoPipe(-1.),
fxOverX0PipeTrks(0),
fDebugStreamer(0),
fITSChannelStatus(0),
fkDetTypeRec(0),
-fPlaneEff(0) {
+fPlaneEff(0),
+fSPDChipIntPlaneEff(0),
+fITSPid(0) {
//--------------------------------------------------------------------
//This is the AliITStrackerMI constructor
//--------------------------------------------------------------------
if (AliITSReconstructor::GetRecoParam()->GetComputePlaneEff() &&
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()>=0) {
Int_t iplane=AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff();
- if(!AliITSReconstructor::GetRecoParam()->GetLayersToSkip(iplane)==1)
+ 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();
+ 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);
}
+ //
+ // RS
+ fSelectBestMIP03 = kFALSE;//AliITSReconstructor::GetRecoParam()->GetSelectBestMIP03();
+ fFlagFakes = AliITSReconstructor::GetRecoParam()->GetFlagFakes();
+ fUseImproveKalman = AliITSReconstructor::GetRecoParam()->GetUseImproveKalman();
+ //
+ fITSPid=new AliITSPIDResponse();
}
+/*
//------------------------------------------------------------------------
AliITStrackerMI::AliITStrackerMI(const AliITStrackerMI &tracker):AliTracker(tracker),
fI(tracker.fI),
fTrackingPhase(tracker.fTrackingPhase),
fUseTGeo(tracker.fUseTGeo),
fNtracks(tracker.fNtracks),
+fFlagFakes(tracker.fFlagFakes),
+fSelectBestMIP03(tracker.fSelectBestMIP03),
fxOverX0Pipe(tracker.fxOverX0Pipe),
fxTimesRhoPipe(tracker.fxTimesRhoPipe),
fxOverX0PipeTrks(0),
fxTimesRhoShield[i]=tracker.fxTimesRhoShield[i];
}
}
+
//------------------------------------------------------------------------
AliITStrackerMI & AliITStrackerMI::operator=(const AliITStrackerMI &tracker){
//Assignment operator
new(this) AliITStrackerMI(tracker);
return *this;
}
+*/
//------------------------------------------------------------------------
AliITStrackerMI::~AliITStrackerMI()
{
}
if(fITSChannelStatus) delete fITSChannelStatus;
if(fPlaneEff) delete fPlaneEff;
+ if(fITSPid) delete fITSPid;
+ if (fSPDChipIntPlaneEff) delete [] fSPDChipIntPlaneEff;
+
}
//------------------------------------------------------------------------
void AliITStrackerMI::ReadBadFromDetTypeRec() {
Float_t q = 0.; // this identifies virtual clusters
Float_t hit[6] = {xdead,
0.,
- AliITSReconstructor::GetRecoParam()->GetSigmaXDeadZoneHit2(),
- AliITSReconstructor::GetRecoParam()->GetSigmaZDeadZoneHit2(),
+ static_cast<Float_t>(AliITSReconstructor::GetRecoParam()->GetSigmaXDeadZoneHit2()),
+ static_cast<Float_t>(AliITSReconstructor::GetRecoParam()->GetSigmaZDeadZoneHit2()),
q,
0.};
Bool_t local = kTRUE;
AliDebug(2,Form("SKIPPING %d %d %d %d %d %d",ForceSkippingOfLayer(0),ForceSkippingOfLayer(1),ForceSkippingOfLayer(2),ForceSkippingOfLayer(3),ForceSkippingOfLayer(4),ForceSkippingOfLayer(5)));
fTrackingPhase="Clusters2Tracks";
-
+ //
+ // RS
+ fSelectBestMIP03 = kFALSE;//AliITSReconstructor::GetRecoParam()->GetSelectBestMIP03();
+ fFlagFakes = AliITSReconstructor::GetRecoParam()->GetFlagFakes();
+ fUseImproveKalman = AliITSReconstructor::GetRecoParam()->GetUseImproveKalman();
+ //
TObjArray itsTracks(15000);
fOriginal.Clear();
fEsd = event; // store pointer to the esd
// temporary
Int_t noesd = 0;
{/* Read ESD tracks */
- Double_t pimass = TDatabasePDG::Instance()->GetParticle(211)->Mass();
Int_t nentr=event->GetNumberOfTracks();
noesd=nentr;
// Info("Clusters2Tracks", "Number of ESD tracks: %d\n", nentr);
t->GetDZ(GetX(),GetY(),GetZ(),t->GetDP()); //I.B.
Double_t vdist = TMath::Sqrt(t->GetD(0)*t->GetD(0)+t->GetD(1)*t->GetD(1));
-
- // look at the ESD mass hypothesys !
- if (t->GetMass()<0.9*pimass) t->SetMass(pimass);
// write expected q
t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
besttrack->SetFakeRatio(1.);
CookLabel(besttrack,0.); //For comparison only
UpdateESDtrack(besttrack,AliESDtrack::kITSin);
+ t->SetWinner(besttrack);
if (fConstraint[fPass]&&(!besttrack->IsGoldPrimary())) continue; //to be tracked also without vertex constrain
}
GetBestHypothesysMIP(itsTracks);
} // end loop on the two tracking passes
-
+ //
+ if (fFlagFakes) FlagFakes(itsTracks);
+ //
if(event->GetNumberOfV0s()>0) AliITSV0Finder::UpdateTPCV0(event,this);
if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::FindV02(event,this);
fAfterV0 = kTRUE;
//
Int_t entries = fTrackHypothesys.GetEntriesFast();
for (Int_t ientry=0; ientry<entries; ientry++) {
- TObjArray * array =(TObjArray*)fTrackHypothesys.UncheckedAt(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.UncheckedAt(ientry);
+ TObjArray * array =(TObjArray*)fBestHypothesys.At(ientry);
if (array) array->Delete();
delete fBestHypothesys.RemoveAt(ientry);
}
fTrackingPhase="PropagateBack";
Int_t nentr=event->GetNumberOfTracks();
// Info("PropagateBack", "Number of ESD tracks: %d\n", nentr);
-
+ double bz0 = GetBz();
+ const double kWatchStep=10.; // for larger steps watch arc vs segment difference
+ //
Int_t ntrk=0;
for (Int_t i=0; i<nentr; i++) {
AliESDtrack *esd=event->GetTrack(i);
- if ((esd->GetStatus()&AliESDtrack::kITSin)==0) continue;
- if (esd->GetStatus()&AliESDtrack::kITSout) continue;
-
- AliITStrackMI *t = new AliITStrackMI(*esd);
-
- t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
-
- ResetTrackToFollow(*t);
-
- /*
- // propagate to vertex [SR, GSI 17.02.2003]
- // Start Time measurement [SR, GSI 17.02.2003], corrected by I.Belikov
- if (CorrectForPipeMaterial(&fTrackToFollow,"inward")) {
- if (fTrackToFollow.PropagateToVertex(event->GetVertex()))
- fTrackToFollow.StartTimeIntegral();
- // from vertex to outside pipe
- CorrectForPipeMaterial(&fTrackToFollow,"outward");
- }*/
// Start time integral and add distance from current position to vertex
+ if (esd->GetStatus()&AliESDtrack::kITSout) continue;
+ AliITStrackMI t(*esd);
Double_t xyzTrk[3],xyzVtx[3]={GetX(),GetY(),GetZ()};
- fTrackToFollow.GetXYZ(xyzTrk);
+ t.GetXYZ(xyzTrk);
Double_t dst2 = 0.;
- for (Int_t icoord=0; icoord<3; icoord++) {
- Double_t di = xyzTrk[icoord] - xyzVtx[icoord];
- dst2 += di*di;
+ {
+ double dxs = xyzTrk[0] - xyzVtx[0];
+ double dys = xyzTrk[1] - xyzVtx[1];
+ double dzs = xyzTrk[2] - xyzVtx[2];
+ // RS: for large segment steps d use approximation of cicrular arc s by
+ // s = 2R*asin(d/2R) = d/p asin(p) \approx d/p (p + 1/6 p^3) = d (1+1/6 p^2)
+ // where R is the track radius, p = d/2R = 2C*d (C is the abs curvature)
+ // Hence s^2/d^2 = (1+1/6 p^2)^2
+ dst2 = dxs*dxs + dys*dys;
+ if (dst2 > kWatchStep*kWatchStep) { // correct circular part for arc/segment factor
+ double crv = TMath::Abs(esd->GetC(bz0));
+ double fcarc = 1.+crv*crv*dst2/6.;
+ dst2 *= fcarc*fcarc;
+ }
+ dst2 += dzs*dzs;
}
- fTrackToFollow.StartTimeIntegral();
- fTrackToFollow.AddTimeStep(TMath::Sqrt(dst2));
+ t.StartTimeIntegral();
+ t.AddTimeStep(TMath::Sqrt(dst2));
+ //
+ // transfer the time integral to ESD track
+ 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)) {
- delete t;
- continue;
- }
- fTrackToFollow.SetLabel(t->GetLabel());
- //fTrackToFollow.CookdEdx();
- CookLabel(&fTrackToFollow,0.); //For comparison only
- fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSout);
- //UseClusters(&fTrackToFollow);
- ntrk++;
+ if (RefitAt(AliITSRecoParam::GetrInsideITSscreen(),&fTrackToFollow,&t)) {
+ if (!CorrectForTPCtoITSDeadZoneMaterial(&fTrackToFollow)) continue;
+ // fTrackToFollow.SetLabel(t.GetLabel()); // why do we neet this
+ //fTrackToFollow.CookdEdx();
+ CookLabel(&fTrackToFollow,0.); //For comparison only // why do we need this?
+ fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSout);
+ //UseClusters(&fTrackToFollow);
+ ntrk++;
}
- delete t;
}
AliInfo(Form("Number of back propagated ITS tracks: %d out of %d ESD tracks",ntrk,nentr));
Int_t nentr=event->GetNumberOfTracks();
// Info("RefitInward", "Number of ESD tracks: %d\n", nentr);
+ // only for PlaneEff and in case of SPD (for FO studies)
+ 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);
// fTrackToFollow.CookdEdx();
CookdEdx(&fTrackToFollow);
- CookLabel(&fTrackToFollow,0.0); //For comparison only
+ CookLabel(&fTrackToFollow,0.0); //For comparison only // RS why do we need this?
//The beam pipe
if (CorrectForPipeMaterial(&fTrackToFollow,"inward")) {
//
//setup tree of the prolongations
//
- static AliITStrackMI tracks[7][100];
+ const int kMaxTr = 100; //RS
+ static AliITStrackMI tracks[7][kMaxTr];
AliITStrackMI *currenttrack;
static AliITStrackMI currenttrack1;
static AliITStrackMI currenttrack2;
static AliITStrackMI backuptrack;
Int_t ntracks[7];
- Int_t nindexes[7][100];
- Float_t normalizedchi2[100];
+ 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);
Int_t nskipped=0;
Float_t nused =0;
for (Int_t itrack =0; itrack<ntracks[ilayer+1]; itrack++) {
+ // printf("LR %d Tr:%d NSeeds: %d\n",ilayer,itrack,ntracks[ilayer+1]);
//set current track
- if (ntracks[ilayer]>=100) break;
+ 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 (!currenttrack1.GetXYZ(trackGlobXYZ1)) continue;
// Get the budget to the primary vertex for the current track being prolonged
- Double_t budgetToPrimVertex = GetEffectiveThickness();
-
+ Double_t budgetToPrimVertex = 0;
+ double xMSLrs[9],x2X0MSLrs[9]; // needed for ImproveKalman
+ int nMSLrs = 0;
+ //
+ if (fUseImproveKalman) nMSLrs = GetEffectiveThicknessLbyL(xMSLrs,x2X0MSLrs);
+ else budgetToPrimVertex = GetEffectiveThickness();
+ //
// check if we allow a prolongation without point
Int_t skip = CheckSkipLayer(¤ttrack1,ilayer,idet);
if (skip) {
if(LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc)) { // local module coords
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
- if(constrain && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if(constrain && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
+ fUseImproveKalman ?
+ vtrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
+ vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ }
ntracks[ilayer]++;
continue;
}
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
- if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ 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) {
clidx=-1;
// loop over clusters in the road
while ((cl=layer.GetNextCluster(clidx))!=0) {
- if (ntracks[ilayer]>95) break; //space for skipped clusters
+ if (ntracks[ilayer]>int(0.95*kMaxTr)) break; //space for skipped clusters
Bool_t changedet =kFALSE;
if (TMath::Abs(cl->GetQ())<1.e-13 && deadzoneSPD==kTRUE) continue;
Int_t idetc=cl->GetDetectorIndex();
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; // only 1 prolongation with virtual cluster
- if (ntracks[ilayer]>=100) continue;
+ if (ntracks[ilayer]>=kMaxTr) continue;
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,-1);
if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack);
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
- if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
+ fUseImproveKalman ?
+ updatetrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
+ updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ }
} //apply vertex constrain
ntracks[ilayer]++;
} // create new hypothesis
} // loop over possible prolongations
// allow one prolongation without clusters
- if (constrain && itrack<=1 && TMath::Abs(currenttrack1.GetNSkipped())<1.e-13 && deadzoneSPD==kFALSE && ntracks[ilayer]<100) {
+ 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);
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetClIndex(ilayer,-1);
modstatus = 3; // skipped
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
- if(AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if(AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
+ fUseImproveKalman ?
+ vtrack->ImproveKalman(xyzVtx,ersVtx,xMSLrs,x2X0MSLrs,nMSLrs) :
+ vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ }
vtrack->IncrementNSkipped();
ntracks[ilayer]++;
}
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]>90) ntracks[ilayer]=90;
+ // if (ntracks[ilayer]>90) ntracks[ilayer]=90;
+ if (ntracks[ilayer]>int(kMaxTr*0.9)) ntracks[ilayer]=int(kMaxTr*0.9);
} // end loop over layers
// update TPC V0 information
//
if (otrack->GetESDtrack()->GetV0Index(0)>0){
- Float_t fprimvertex[3]={GetX(),GetY(),GetZ()};
+ 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;
fYB[0]=0;
fYB[1]=0;
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer5; j++) {
+ 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;
}
}
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer10; j++) {
+ 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;
}
}
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer20; j++) {
+ 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;
fBy20[j1][1]=0;
}
}
-
-
+ for(Int_t i=0;i<AliITSRecoParam::kMaxClusterPerLayer;i++){
+ fClusters[i]=NULL;
+ fClusterIndex[i]=0;
+ }
}
//------------------------------------------------------------------------
AliITStrackerMI::AliITSlayer::
fYB[0]=0;
fYB[1]=0;
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer5; j++) {
+ 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;
}
}
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer10; j++) {
+ 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;
}
}
- for (Int_t j=0; j<AliITSRecoParam::fgkMaxClusterPerLayer20; j++) {
+ 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;
fBy20[j1][1]=0;
}
}
-
+ for(Int_t i=0;i<AliITSRecoParam::kMaxClusterPerLayer;i++){
+ fClusters[i]=NULL;
+ fClusterIndex[i]=0;
+ }
}
+/*
//------------------------------------------------------------------------
AliITStrackerMI::AliITSlayer::AliITSlayer(const AliITSlayer& layer):
fR(layer.fR),
{
//Copy constructor
}
+*/
//------------------------------------------------------------------------
AliITStrackerMI::AliITSlayer::~AliITSlayer() {
//--------------------------------------------------------------------
}
return d/(xn*xn);
}
+
+//------------------------------------------------------------------------
+Int_t AliITStrackerMI::GetEffectiveThicknessLbyL(Double_t* xMS, Double_t* x2x0MS)
+{
+ //--------------------------------------------------------------------
+ // Returns the array of layers between the current layer and the vertex
+ //--------------------------------------------------------------------
+ //
+ 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();
+ //
+ }
+ //
+ // beam pipe
+ x2x0MS[nl] = (fUseTGeo==0 ? AliITSRecoParam::GetdPipe() : fxOverX0Pipe);
+ xMS[nl++] = AliITSRecoParam::GetrPipe();
+ //
+ return nl;
+}
+
+
//------------------------------------------------------------------------
Int_t AliITStrackerMI::AliITSlayer::InRoad() const {
//-------------------------------------------------------------------
else{
//
Int_t tracks2[24], cluster[24];
- for (Int_t i=0;i<trackindex;i++){ tracks2[i]=-1; cluster[i]=0;}
+ 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++){
return sharedtrack;
}
//------------------------------------------------------------------------
-AliITStrackMI * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t th0, Float_t th1){
+AliITStrackMI * AliITStrackerMI::GetBest2Tracks(Int_t trackID1, Int_t trackID2, Float_t th0, Float_t th1,AliITStrackMI* original){
//
// try to find track hypothesys without conflicts
// with minimal chi2;
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);
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);
// track10->UpdateESDtrack(AliESDtrack::kITSin);
UpdateESDtrack(track10,AliESDtrack::kITSin);
+ original->SetWinner(track10);
}
for (Int_t itrack=0;itrack<entries1;itrack++){
// add track to the list of hypothesys
//------------------------------------------------------------------
- if (esdindex>=fTrackHypothesys.GetEntriesFast())
- fTrackHypothesys.Expand(TMath::Max(fTrackHypothesys.GetSize(),esdindex*2+10));
//
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) {
array = new TObjArray(10);
- fTrackHypothesys.AddAt(array,esdindex);
+ fTrackHypothesys.AddAtAndExpand(array,esdindex);
}
array->AddLast(track);
}
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;
if (chi2<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)){
if (track->GetNumberOfClusters()<maxn) continue;
maxn = track->GetNumberOfClusters();
+ // if (fSelectBestMIP03 && track->GetChi2MIP(3)>0) chi2 *= track->GetChi2MIP(3); // RS
if (chi2<minchi2){
minchi2=chi2;
besttrack=track;
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()));
- track->SetChi2MIP(0,GetNormalizedChi2(track, mode));
- if (track->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0))
- chi2[itrack] = track->GetChi2MIP(0);
+ 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); // RS
+ chi2[itrack] = chi2t;
+ }
else{
if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain
delete array->RemoveAt(itrack);
for (Int_t itrack=0;itrack<entries;itrack++){
AliITStrackMI * track = (AliITStrackMI*)array->At(itrack);
if (track){
- track->SetChi2MIP(0,GetNormalizedChi2(track,mode));
+ 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))
- chi2[itrack] = track->GetChi2MIP(0)-0*(track->GetNumberOfClusters()+track->GetNDeadZone());
- else
- {
- if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain
- delete array->RemoveAt(itrack);
- }
+ if (track->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)) {
+ if (fSelectBestMIP03 && track->GetChi2MIP(3)>0) chi2t *= track->GetChi2MIP(3); // RS
+ chi2[itrack] = chi2t; //-0*(track->GetNumberOfClusters()+track->GetNDeadZone());
+ }
+ else {
+ if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain
+ delete array->RemoveAt(itrack);
}
+ }
}
}
entries = array->GetEntriesFast();
//-------------------------------------------------------------
// try to find best hypothesy
// currently - minimal chi2 of track+backpropagated track+matching to the tpc track
+ // RS: optionally changing this to product of Chi2MIP(0)*Chi2MIP(3) == (chi2*chi2_interpolated)
//-------------------------------------------------------------
if (fTrackHypothesys.GetEntriesFast()<=esdindex) return 0;
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (track->GetConstrain()) {
if (!CorrectForPipeMaterial(backtrack,"inward")) continue;
if (AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
- if (!backtrack->Improve(0,xyzVtx,ersVtx)) continue;
+ if (fUseImproveKalman) {if (!backtrack->ImproveKalman(xyzVtx,ersVtx,0,0,0)) continue;}
+ else {if (!backtrack->Improve(0,xyzVtx,ersVtx)) continue;}
}
backtrack->ResetCovariance(10.);
}else{
forwardtrack = new(forwardtrack) AliITStrackMI(*original);
forwardtrack->ResetClusters();
x = track->GetX();
- RefitAt(x,forwardtrack,track);
+ if (!RefitAt(x,forwardtrack,track) && fSelectBestMIP03) continue; // w/o fwd track MIP03 is meaningless
track->SetChi2MIP(2,NormalizedChi2(forwardtrack,0));
if (track->GetChi2MIP(2)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)*6.0) continue;
if (!(track->GetConstrain())&&track->GetChi2MIP(2)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(2)) continue;
track->SetChi2MIP(3,1000);
continue;
}
- Double_t chi2 = track->GetChi2MIP(0)+track->GetNUsed();
+ Double_t chi2 = track->GetChi2MIP(0); // +track->GetNUsed(); //RS
+ 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 (!track) continue;
if (accepted>checkmax || track->GetChi2MIP(3)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)*6. ||
- (track->GetNumberOfClusters()<besttrack->GetNumberOfClusters()-1.)||
- track->GetChi2MIP(0)>besttrack->GetChi2MIP(0)+2.*besttrack->GetNUsed()+3.){
+ (track->GetNumberOfClusters()<besttrack->GetNumberOfClusters()-1.)
+ // RS: don't apply this cut when fSelectBestMIP03 is on
+ || (!fSelectBestMIP03 && (track->GetChi2MIP(0)>besttrack->GetChi2MIP(0)+2.*besttrack->GetNUsed()+3.))
+ ){
if (track->GetConstrain() || track->GetNumberOfClusters()>5){ //keep best short tracks - without vertex constrain
delete array->RemoveAt(i);
continue;
longtrack =track;
}
//if (longtrack) besttrack=longtrack;
+ //
+ // RS do shared cluster analysis here only if the new sharing analysis is not requested
+ //RRR if (fFlagFakes) return besttrack;
Int_t list[6];
AliITSRecPoint * clist[6];
Int_t sharedtrack = GetOverlapTrack(besttrack, esdindex, nshared, list, overlist);
if (sharedtrack>=0){
//
- besttrack = GetBest2Tracks(esdindex,sharedtrack,10,5.5);
+ besttrack = GetBest2Tracks(esdindex,sharedtrack,10,5.5,original);
if (besttrack){
shared = GetNumberOfSharedClusters(besttrack,esdindex,list,clist);
}
}
if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()<minn) continue;
Float_t chi2 = trackHyp->GetChi2MIP(0);
- if (fAfterV0){
+ if (fSelectBestMIP03) chi2 *= trackHyp->GetChi2MIP(3);
+ if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()>minn) maxchi2 = chi2; //trackHyp->GetChi2MIP(0);
+ //
+ if (fAfterV0){ // ??? RS
if (!trackHyp->GetGoldV0()&&trackHyp->GetConstrain()==kFALSE) chi2+=5;
}
- if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()>minn) maxchi2 = trackHyp->GetChi2MIP(0);
- //
if (chi2 > maxchi2) continue;
- minn= trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone();
+ minn = trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone();
+ if (fSelectBestMIP03) minn++; // allow next to longest to win
maxchi2 = chi2;
longtrack=trackHyp;
}
Int_t sharedtrack = GetOverlapTrack(longtrack, i, nshared, list, overlist);
//if (sharedtrack==-1) sharedtrack=0;
if (sharedtrack>=0) {
- besttrack = GetBest2Tracks(i,sharedtrack,10,5.5);
+ 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);
+ 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)
+{
+ //
+ // RS: flag those tracks which are suxpected to have fake clusters
+ //
+ 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();
+ //
+ // fill cluster->track associations
+ 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;
+ // if (c>fgLayers[l].GetNumberOfClusters()) continue;
+ refArr[l]->AddReference(c, itr);
+ }
+ }
+ //
+ const UInt_t kMaxRef = 100;
+ UInt_t crefs[kMaxRef];
+ Int_t ncrefs=0;
+ // process tracks with shared clusters
+ 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; // there will be always self-reference, for sharing needs at least 2
+ esd0->SetITSSharedFlag(l);
+ for (int ir=ncrefs;ir--;) {
+ if (int(crefs[ir]) <= itr) continue; // ==:selfreference, <: the same pair will be checked with >
+ 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;
+
+ // select the one with smallest chi2's product
+ res += trackH0->GetChi2MIP(0)*trackH0->GetChi2MIP(3);
+ res -= trackH1->GetChi2MIP(0)*trackH1->GetChi2MIP(3);
+ //
+ if (res<0) esd1->SetITSFakeFlag(); // esd0 is winner
+ else esd0->SetITSFakeFlag(); // esd1 is winner
+ }
+ //
+ }
+ //
+ }
+ //
+ for (int i=6;i--;) delete refArr[i];
+}
+
+
+
+//------------------------------------------------------------------------
+void AliITStrackerMI::CookLabel(AliITStrackMI *track,Float_t wrong) const {
+ //--------------------------------------------------------------------
+ //This function "cooks" a track label. If label<0, this track is fake.
+ //--------------------------------------------------------------------
+ const int kMaxLbPerCl = 3;
+ int lbID[36],lbStat[36];
+ Int_t nLab=0, nCl = track->GetNumberOfClusters();
+ //
+ // track->SetLabel(-1);
+ // track->SetFakeRatio(0);
+ //
+ for (Int_t i=0;i<nCl;i++) { // fill all labels
+ Int_t cindex = track->GetClusterIndex(i);
+ // Int_t l=(cindex & 0xf0000000) >> 28;
+ AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(cindex);
+ //
+ for (int imc=0;imc<kMaxLbPerCl;imc++) { // labels within single cluster
+ int trLb = cl->GetLabel(imc);
+ if (trLb<0) break;
+ // search this mc track in already accounted ones
+ 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;
+ }
+ } // loop over given cluster's labels
+ } // loop over clusters
+ //
+ if (nLab<1) return; // no labels at all
+ //
+ Int_t tpcLabel=-1;
+ if (track->GetESDtrack() && track->GetESDtrack()->IsOn(AliESDtrack::kTPCin)){
+ tpcLabel = TMath::Abs(track->GetESDtrack()->GetTPCLabel());
+ }
+ //
+ // find majority label
+ 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 there is an equal choice, prefer ITS label consistent with TPC label
+ 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::CookLabel(AliITStrackMI *track,Float_t wrong) const {
//--------------------------------------------------------------------
} else {
track->SetLabel(tpcLabel);
}
- AliDebug(2,Form(" nls %d wrong %d label %d tpcLabel %d\n",nclusters,nwrong,track->GetLabel(),tpcLabel));
-
+ AliDebug(2,Form(" nls %d wrong %d label %d tpcLabel %d\n",nclusters,nwrong,track->GetLabel(),tpcLabel));
}
+*/
+
//------------------------------------------------------------------------
void AliITStrackerMI::CookdEdx(AliITStrackMI* track){
//
} else {
Error("BuildMaterialLUT","Wrong layer name\n");
}
-
+ const double kAngEps = 1e-4; // tiny slope to avoid tracks strictly normal to Z axis
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++) {
point1[2] = z;
point2[0] = rmax[imat]*cosphi;
point2[1] = rmax[imat]*sinphi;
- point2[2] = z;
+ point2[2] = z+(rmax[imat]-rmin[imat])*kAngEps;
AliTracker::MeanMaterialBudget(point1,point2,mparam);
+ if (mparam[1]>999) {n--; continue;} // skip anomalous values in failed propagation
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(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 AliITStrackerMI::IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const {
+Bool_t AliITStrackerMI::IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer){
//
// Method to be optimized further:
// Aim: decide whether a track can be used for PlaneEff evaluation
AliITStrackMI tmp(*track);
// require a minimal number of cluster in other layers and eventually clusters in closest layers
- Int_t ncl_out=0; Int_t ncl_in=0;
+ Int_t nclout=0; Int_t nclin=0;
for(Int_t lay=AliITSgeomTGeo::kNLayers-1;lay>ilayer;lay--) { // count n. of cluster in outermost layers
AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay,
tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ;
- // if (tmp.GetClIndex(lay)>=0) ncl_out++;
-if(index[lay]>=0)ncl_out++;
+ // if (tmp.GetClIndex(lay)>=0) nclout++;
+if(index[lay]>=0)nclout++;
}
for(Int_t lay=ilayer-1; lay>=0;lay--) { // count n. of cluster in innermost layers
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) ncl_in++;
+ if (index[lay]>=0) nclin++;
}
- Int_t ncl=ncl_out+ncl_in;
+ Int_t ncl=nclout+nclin;
Bool_t nextout = kFALSE;
if(ilayer==AliITSgeomTGeo::kNLayers-1) nextout=kTRUE; // you are already on the outermost layer
else nextout = ((tmp.GetClIndex(ilayer+1)>=0)? kTRUE : kFALSE );
if(ilayer==0) nextin=kTRUE; // you are already on the innermost layer
else nextin = ((index[ilayer-1]>=0)? kTRUE : kFALSE );
// maximum number of missing clusters allowed in outermost layers
- if(ncl
_out<AliITSgeomTGeo::kNLayers-(ilayer+1)-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersOutPlaneEff())
+ if(nclout<AliITSgeomTGeo::kNLayers-(ilayer+1)-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersOutPlaneEff())
return kFALSE;
// maximum number of missing clusters allowed (both in innermost and in outermost layers)
if(ncl<AliITSgeomTGeo::kNLayers-1-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersPlaneEff())
//
Double_t nsigx=AliITSReconstructor::GetRecoParam()->GetNSigXFromBoundaryPlaneEff();
Double_t nsigz=AliITSReconstructor::GetRecoParam()->GetNSigZFromBoundaryPlaneEff();
- Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system
- Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is
- // done for RecPoints
+ Double_t distx=AliITSReconstructor::GetRecoParam()->GetDistXFromBoundaryPlaneEff();
+ Double_t distz=AliITSReconstructor::GetRecoParam()->GetDistZFromBoundaryPlaneEff();
+ Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()) + distx;
+ // those are precisions in the tracking reference system
+ Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()) + distz;
+ // Use it also for the module reference system, as it is done for RecPoints
+
+ 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;
+ }
// exclude tracks at boundary between detectors
//Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidthPlaneEff();
(locx+dx > blockXmx-boundaryWidth) ||
(locz-dz < blockZmn+boundaryWidth) ||
(locz+dz > blockZmx-boundaryWidth) ) return kFALSE;
+
+ if(ilayer==0){
+ const AliESDEvent *myesd = ((AliESDtrack*)tmp.GetESDtrack())->GetESDEvent();
+ //The beam pipe
+ 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; // Use this to cut on chi^2
+
+ } else return kFALSE;
+ }
+
+
return kTRUE;
}
//------------------------------------------------------------------------
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; // 1/RoadZ^2
msy = 1./msy; // 1/RoadY^2
-//
const AliITSRecPoint *cl=0; Int_t clidx=-1, ci=-1;
Int_t idetc=-1;
}
if(!fPlaneEff->UpDatePlaneEff(found,key))
AliWarning(Form("UseTrackForPlaneEff: cannot UpDate PlaneEff for key=%d",key));
+
+// this for FO efficiency studies (only for SPD) //
+ UInt_t keyFO=999999;
+ Bool_t foundFO=kFALSE;
+ if(ilayer<2){ //ONLY SPD layers for FastOr studies
+ 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.}; // initialize to high values
Float_t clu[4]={-99999.,-99999.,9999.,9999.}; // (in some cases GetCov fails)
Int_t cltype[2]={-999,-999};
// and the module
-Float_t AngleModTrack[3]={99999.,99999.,99999.}; // angles (phi, z and "absolute angle") between the track and the mormal to the module (see below)
+ Float_t angleModTrack[3]={99999.,99999.,99999.}; // angles (phi, z and "absolute angle") between the track and the mormal to the module (see below)
tr[0]=locx;
tr[1]=locz;
if((phiNorm-phiPt)>TMath::Pi()) anglet*=-1.;
anglet *= 180./TMath::Pi();
- AngleModTrack[2]=(Float_t) angle;
- AngleModTrack[0]=(Float_t) anglet;
+ angleModTrack[2]=(Float_t) angle;
+ angleModTrack[0]=(Float_t) anglet;
// now the "angle in z" (much easier, i.e. the angle between the z axis and the track momentum + 90)
- AngleModTrack[1]=TMath::ACos(tgl/TMath::Sqrt(tgl*tgl+1.));
- AngleModTrack[1]-=TMath::Pi()/2.; // range of angle is -pi/2 , pi/2
- AngleModTrack[1]*=180./TMath::Pi(); // in degree
+ angleModTrack[1]=TMath::ACos(tgl/TMath::Sqrt(tgl*tgl+1.));
+ angleModTrack[1]-=TMath::Pi()/2.; // range of angle is -pi/2 , pi/2
+ angleModTrack[1]*=180./TMath::Pi(); // in degree
+
+ fPlaneEff->FillHistos(key,found,tr,clu,cltype,angleModTrack);
- fPlaneEff->FillHistos(key,found,tr,clu,cltype,AngleModTrack);
+ // For FO efficiency studies of SPD
+ 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 //RS
+{
+ // find the MC cluster for the label
+ return fgLayers[lr].FindClusterForLabel(label,store);
+}
+
+/*
+Int_t AliITStrackerMI::GetPattern(const AliITStrackMI* track, char* patt)
+{
+ // creates pattarn of hits marking fake/corrects by f/c. Used for debugging (RS)
+ strncpy(patt,"......",6);
+ int tpcLabel = 0;
+ if (track->GetESDtrack()) tpcLabel = track->GetESDtrack()->GetTPCLabel();
+ //
+ int nwrong = 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 isWrong=1;
+ for (Int_t ind=0;ind<3;ind++) if (cl->GetLabel(ind)==TMath::Abs(tpcLabel)) isWrong=0;
+ patt[l] = isWrong ? 'f':'c';
+ nwrong+=isWrong;
+ }
+ return nwrong;
+}
+*/
+//------------------------------------------------------------------------
+Int_t AliITStrackerMI::AliITSlayer::FindClusterForLabel(Int_t label, Int_t *store) const
+{ //RS
+ //--------------------------------------------------------------------
+
+ 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;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff