// It reads AliITSRecPoint clusters and creates AliITStrackMI tracks
// and fills with them the ESD
// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
+// Current support and development:
+// Andrea Dainese, andrea.dainese@lnl.infn.it
// dE/dx analysis by: Boris Batyunya, JINR, Boris.Batiounia@cern.ch
// Params moved to AliITSRecoParam by: Andrea Dainese, INFN
// Material budget from TGeo by: Ludovic Gaudichet & Andrea Dainese, INFN
#include <TMatrixD.h>
#include <TTree.h>
-#include <TTreeStream.h>
#include <TDatabasePDG.h>
#include <TString.h>
#include <TRandom.h>
+#include <TTreeStream.h>
-
+#include "AliLog.h"
+#include "AliITSPlaneEff.h"
+#include "AliITSCalibrationSPD.h"
+#include "AliITSCalibrationSDD.h"
+#include "AliITSCalibrationSSD.h"
+#include "AliCDBEntry.h"
+#include "AliCDBManager.h"
+#include "AliAlignObj.h"
+#include "AliTrackPointArray.h"
+#include "AliESDVertex.h"
#include "AliESDEvent.h"
#include "AliESDtrack.h"
-#include "AliESDVertex.h"
#include "AliV0.h"
#include "AliHelix.h"
+#include "AliITSChannelStatus.h"
+#include "AliITSDetTypeRec.h"
#include "AliITSRecPoint.h"
#include "AliITSgeomTGeo.h"
#include "AliITSReconstructor.h"
-#include "AliTrackPointArray.h"
-#include "AliAlignObj.h"
#include "AliITSClusterParam.h"
-#include "AliCDBManager.h"
-#include "AliCDBEntry.h"
-#include "AliITSCalibrationSPD.h"
-#include "AliITSCalibrationSDD.h"
-#include "AliITSCalibrationSSD.h"
-#include "AliITSPlaneEff.h"
+#include "AliITSsegmentation.h"
+#include "AliITSCalibration.h"
#include "AliITSPlaneEffSPD.h"
#include "AliITSPlaneEffSDD.h"
#include "AliITSPlaneEffSSD.h"
+#include "AliITSV0Finder.h"
#include "AliITStrackerMI.h"
ClassImp(AliITStrackerMI)
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
+fITSChannelStatus(0),
+fkDetTypeRec(0),
fPlaneEff(0) {
//Default constructor
Int_t i;
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
+fITSChannelStatus(0),
+fkDetTypeRec(0),
fPlaneEff(0) {
//--------------------------------------------------------------------
//This is the AliITStrackerMI constructor
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[3]={0.};
+ Double_t txyz[3]={0.};
+ xyz[0]=0.;xyz[1]=0.;xyz[2]=0.;
m.LocalToMaster(txyz,xyz);
- Double_t r=TMath::Sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
+ 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();
AliITSdetector &det=fgLayers[i-1].GetDetector((j-1)*ndet + k-1);
new(&det) AliITSdetector(r,phi);
- }
- }
+ // compute the real radius (with misalignment)
+ TGeoHMatrix mmisal(*(AliITSgeomTGeo::GetMatrix(i,j,k)));
+ mmisal.Multiply(tm);
+ xyz[0]=0.;xyz[1]=0.;xyz[2]=0.;
+ mmisal.LocalToMaster(txyz,xyz);
+ Double_t rmisal=TMath::Sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
+ det.SetRmisal(rmisal);
+
+ } // end loop on detectors
+ } // end loop on ladders
+ fForceSkippingOfLayer[i] = 0;
+ } // end loop on layers
- }
fI=AliITSgeomTGeo::GetNLayers();
AliITSReconstructor::GetRecoParam()->GetSigmaZVdef()};
SetVertex(xyzVtx,ersVtx);
- for (Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) fLayersNotToSkip[i]=AliITSRecoParam::GetLayersNotToSkip(i);
fLastLayerToTrackTo=AliITSRecoParam::GetLastLayerToTrackTo();
for (Int_t i=0;i<100000;i++){
fBestTrackIndex[i]=0;
fDebugStreamer = new TTreeSRedirector("ITSdebug.root");
// only for plane efficiency evaluation
- if (AliITSReconstructor::GetRecoParam()->GetComputePlaneEff()) {
- for(Int_t ilay=0;ilay<6;ilay++) {
- if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(ilay)) {
- if (ilay<2) fPlaneEff = new AliITSPlaneEffSPD();
- else if (ilay<4) fPlaneEff = new AliITSPlaneEffSDD();
- else fPlaneEff = new AliITSPlaneEffSSD();
- break; // only one layer type to skip at once
- }
- }
- if(!fPlaneEff->ReadFromCDB())
- {AliWarning("AliITStrackerMI reading of AliITSPlaneEff from OCDB failed") ;}
- if(AliITSReconstructor::GetRecoParam()->GetHistoPlaneEff()) {
- fPlaneEff->SetCreateHistos(kTRUE);
- //fPlaneEff->ReadHistosFromFile();
- }
+ 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();
+ 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);
}
}
//------------------------------------------------------------------------
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(tracker.fDebugStreamer),
+fITSChannelStatus(tracker.fITSChannelStatus),
+fkDetTypeRec(tracker.fkDetTypeRec),
fPlaneEff(tracker.fPlaneEff) {
//Copy constructor
Int_t i;
//fDebugStreamer->Close();
delete fDebugStreamer;
}
+ if(fITSChannelStatus) delete fITSChannelStatus;
+ if(fPlaneEff) delete fPlaneEff;
}
//------------------------------------------------------------------------
-void AliITStrackerMI::SetLayersNotToSkip(Int_t *l) {
+void AliITStrackerMI::ReadBadFromDetTypeRec() {
//--------------------------------------------------------------------
- //This function set masks of the layers which must be not skipped
+ //This function read ITS bad detectors, chips, channels from AliITSDetTypeRec
+ //i.e. from OCDB
//--------------------------------------------------------------------
- for (Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) fLayersNotToSkip[i]=l[i];
+
+ if(!AliITSReconstructor::GetRecoParam()->GetUseBadZonesFromOCDB()) return;
+
+ Info("ReadBadFromDetTypeRec","Reading info about bad ITS detectors and channels");
+
+ if(!fkDetTypeRec) Error("ReadBadFromDetTypeRec","AliITSDetTypeRec nof found!\n");
+
+ // ITS channels map
+ if(fITSChannelStatus) delete fITSChannelStatus;
+ fITSChannelStatus = new AliITSChannelStatus(fkDetTypeRec);
+
+ // ITS detectors and chips
+ 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++;}
+ } // end loop on detectors
+ } // end loop on ladders
+ Info("ReadBadFromDetTypeRec",Form("Layer %d: %d bad out of %d",i-1,nBadDetsPerLayer,ndet*AliITSgeomTGeo::GetNLadders(i)));
+ } // end loop on layers
+
+ return;
}
//------------------------------------------------------------------------
Int_t AliITStrackerMI::LoadClusters(TTree *cTree) {
return 1;
}
- TClonesArray dummy("AliITSRecPoint",10000), *clusters=&dummy;
+ static TClonesArray dummy("AliITSRecPoint",10000), *clusters=&dummy;
branch->SetAddress(&clusters);
- Int_t j=0;
+ Int_t i=0,j=0,ndet=0;
Int_t detector=0;
- for (
Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) {
- Int_t ndet=fgLayers[i].GetNdetectors();
+ for (i=0; i<AliITSgeomTGeo::GetNLayers(); i++) {
+ ndet=fgLayers[i].GetNdetectors();
Int_t jmax = j + fgLayers[i].GetNladders()*ndet;
for (; j<jmax; j++) {
if (!cTree->GetEvent(j)) continue;
fgLayers[i].SortClusters();
}
+ dummy.Clear();
+
+ // check whether we have to skip some layers
+ SetForceSkippingOfLayer();
+
return 0;
}
//------------------------------------------------------------------------
for (Int_t i=0; i<AliITSgeomTGeo::GetNLayers(); i++) fgLayers[i].ResetClusters();
}
//------------------------------------------------------------------------
-static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t) {
+void AliITStrackerMI::FillClusterArray(TObjArray* array) const {
+ //--------------------------------------------------------------------
+ // Publishes all pointers to clusters known to the tracker into the
+ // passed object array.
+ // The ownership is not transfered - the caller is not expected to delete
+ // the clusters.
+ //--------------------------------------------------------------------
+
+ 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) {
//--------------------------------------------------------------------
// Correction for the material between the TPC and the ITS
//--------------------------------------------------------------------
if (!t->PropagateToTGeo(AliITSRecoParam::Getrcd(),1)) return 0;// TPC central drum
if (!t->PropagateToTGeo(AliITSRecoParam::Getriw()+0.001,1)) return 0;// TPC inner wall
} else {
- Error("CorrectForTPCtoITSDeadZoneMaterial","Track is already in the dead zone !");
+ printf("CorrectForTPCtoITSDeadZoneMaterial: Track is already in the dead zone !\n");
return 0;
}
// This functions reconstructs ITS tracks
// The clusters must be already loaded !
//--------------------------------------------------------------------
+
+ AliDebug(2,Form("SKIPPING %d %d %d %d %d %d",ForceSkippingOfLayer(0),ForceSkippingOfLayer(1),ForceSkippingOfLayer(2),ForceSkippingOfLayer(3),ForceSkippingOfLayer(4),ForceSkippingOfLayer(5)));
+
fTrackingPhase="Clusters2Tracks";
TObjArray itsTracks(15000);
Info("Clusters2Tracks", "Number of ESD tracks: %d\n", nentr);
while (nentr--) {
AliESDtrack *esd=event->GetTrack(nentr);
+ // ---- for debugging:
+ //if(TMath::Abs(esd->GetX()-83.65)<0.1) { FILE *f=fopen("tpc.dat","a"); fprintf(f,"%f %f %f %f %f %f\n",(Float_t)event->GetEventNumberInFile(),(Float_t)TMath::Abs(esd->GetLabel()),(Float_t)esd->GetX(),(Float_t)esd->GetY(),(Float_t)esd->GetZ(),(Float_t)esd->Pt()); fclose(f); }
if ((esd->GetStatus()&AliESDtrack::kTPCin)==0) continue;
if (esd->GetStatus()&AliESDtrack::kTPCout) continue;
for (fPass=0; fPass<2; fPass++) {
Int_t &constraint=fConstraint[fPass]; if (constraint<0) continue;
for (fCurrentEsdTrack=0; fCurrentEsdTrack<nentr; fCurrentEsdTrack++) {
- //cerr<<fPass<<" "<<fCurrentEsdTrack<<'\n';
AliITStrackMI *t=(AliITStrackMI*)itsTracks.UncheckedAt(fCurrentEsdTrack);
if (t==0) continue; //this track has been already tracked
+ //cout<<"========== "<<fPass<<" "<<fCurrentEsdTrack<<" =========\n";
if (t->GetReconstructed()&&(t->GetNUsed()<1.5)) continue; //this track was already "succesfully" reconstructed
Float_t dz[2]; t->GetDZ(GetX(),GetY(),GetZ(),dz); //I.B.
if (fConstraint[fPass]) {
}
Int_t tpcLabel=t->GetLabel(); //save the TPC track label
+ AliDebug(2,Form("LABEL %d pass %d",tpcLabel,fPass));
fI = 6;
ResetTrackToFollow(*t);
ResetBestTrack();
FollowProlongationTree(t,fCurrentEsdTrack,fConstraint[fPass]);
+
SortTrackHypothesys(fCurrentEsdTrack,20,0); //MI change
//
if (fConstraint[fPass]&&(!besttrack->IsGoldPrimary())) continue; //to be tracked also without vertex constrain
t->SetReconstructed(kTRUE);
- ntrk++;
+ ntrk++;
+ AliDebug(2,Form("TRACK! (label %d) ncls %d",besttrack->GetLabel(),besttrack->GetNumberOfClusters()));
}
GetBestHypothesysMIP(itsTracks);
} // end loop on the two tracking passes
- //GetBestHypothesysMIP(itsTracks);
- if(event->GetNumberOfV0s()>0) UpdateTPCV0(event);
- if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) FindV02(event);
+ if(event->GetNumberOfV0s()>0) AliITSV0Finder::UpdateTPCV0(event,this);
+ if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::FindV02(event,this);
fAfterV0 = kTRUE;
- //GetBestHypothesysMIP(itsTracks);
//
itsTracks.Delete();
//
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")) {
fTrackToFollow.StartTimeIntegral();
// from vertex to outside pipe
CorrectForPipeMaterial(&fTrackToFollow,"outward");
+ }*/
+ // Start time integral and add distance from current position to vertex
+ Double_t xyzTrk[3],xyzVtx[3]={GetX(),GetY(),GetZ()};
+ fTrackToFollow.GetXYZ(xyzTrk);
+ Double_t dst2 = 0.;
+ for (Int_t icoord=0; icoord<3; icoord++) {
+ Double_t di = xyzTrk[icoord] - xyzVtx[icoord];
+ dst2 += di*di;
}
+ fTrackToFollow.StartTimeIntegral();
+ fTrackToFollow.AddTimeStep(TMath::Sqrt(dst2));
fTrackToFollow.ResetCovariance(10.); fTrackToFollow.ResetClusters();
if (RefitAt(AliITSRecoParam::GetrInsideITSscreen(),&fTrackToFollow,t)) {
// The clusters must be loaded !
//--------------------------------------------------------------------
fTrackingPhase="RefitInward";
- if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) RefitV02(event);
+
+ if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::RefitV02(event,this);
+
Int_t nentr=event->GetNumberOfTracks();
Info("RefitInward", "Number of ESD tracks: %d\n", nentr);
fTrackToFollow.ResetCovariance(10.);
//Refitting...
- Bool_t pe=AliITSReconstructor::GetRecoParam()->GetComputePlaneEff();
+ 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,kTRUE,pe)) {
+ AliDebug(2," refit OK");
fTrackToFollow.SetLabel(t->GetLabel());
// fTrackToFollow.CookdEdx();
CookdEdx(&fTrackToFollow);
AliESDtrack *esdTrack =fTrackToFollow.GetESDtrack();
//printf(" %d\n",esdTrack->GetITSModuleIndex(0));
//esdTrack->UpdateTrackParams(&fTrackToFollow,AliESDtrack::kITSrefit); //original line
- Float_t r[3]={0.,0.,0.};
+ Double_t r[3]={0.,0.,0.};
Double_t maxD=3.;
esdTrack->RelateToVertex(event->GetVertex(),GetBz(r),maxD);
ntrk++;
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:
Int_t c=(index & 0x0fffffff) >> 00;
const AliITSRecPoint *cl = fgLayers[l].GetCluster(c);
Int_t idet = cl->GetDetectorIndex();
+
const AliITSdetector &det=fgLayers[l].GetDetector(idet);
// tgphi and tglambda of the track in tracking frame with alpha=det.GetPhi
detxy[1] = det.GetR()*TMath::Sin(det.GetPhi());
Double_t alpha = t->GetAlpha();
Double_t xdetintrackframe = detxy[0]*TMath::Cos(alpha)+detxy[1]*TMath::Sin(alpha);
- Float_t phi = TMath::ASin(t->GetSnpAt(xdetintrackframe,AliTracker::GetBz()));
+ Float_t phi = TMath::ASin(t->GetSnpAt(xdetintrackframe,GetBz()));
phi += alpha-det.GetPhi();
Float_t tgphi = TMath::Tan(phi);
Float_t tgl = t->GetTgl(); // tgl about const along track
Float_t expQ = TMath::Max(0.8*t->GetTPCsignal(),30.);
- Float_t errlocalx,errlocalz;
- AliITSClusterParam::GetError(l,cl,tgl,tgphi,expQ,errlocalx,errlocalz);
+ 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);
// cl->GetGlobalCov(cov);
Float_t pos[3] = {0.,0.,0.};
- AliCluster tmpcl((UShort_t)cl->GetVolumeId(),pos[0],pos[1],pos[2],errlocalx*errlocalx,errlocalz*errlocalz,0);
+ 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) {
break;
};
UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,idet);
+
p.SetVolumeID((UShort_t)volid);
return kTRUE;
}
//
// follow prolongations
for (Int_t ilayer=5; ilayer>=0; ilayer--) {
+ AliDebug(2,Form("FollowProlongationTree: layer %d",ilayer));
fI = ilayer;
//
AliITSlayer &layer=fgLayers[ilayer];
Int_t idet=layer.FindDetectorIndex(phi,z);
Double_t trackGlobXYZ1[3];
- currenttrack1.GetXYZ(trackGlobXYZ1);
+ if (!currenttrack1.GetXYZ(trackGlobXYZ1)) continue;
// Get the budget to the primary vertex for the current track being prolonged
Double_t budgetToPrimVertex = GetEffectiveThickness();
if (skip) {
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
// propagate to the layer radius
- Double_t xToGo; vtrack->GetLocalXat(r,xToGo);
- vtrack->AliExternalTrackParam::PropagateTo(xToGo,GetBz());
+ Double_t xToGo; if (!vtrack->GetLocalXat(r,xToGo)) continue;
+ if(!vtrack->Propagate(xToGo)) continue;
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1);
- vtrack->SetClIndex(ilayer,0);
+ vtrack->SetDeadZoneProbability(ilayer,1.); // no penalty for missing cluster
+ vtrack->SetClIndex(ilayer,-1);
modstatus = (skip==1 ? 3 : 4); // skipped : out in z
- LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc); // local module coords
- vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
+ if(LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc)) { // local module coords
+ vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
+ }
if(constrain) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
ntracks[ilayer]++;
continue;
const AliITSdetector &det=layer.GetDetector(idet);
new(¤ttrack2) AliITStrackMI(currenttrack1);
if (!currenttrack1.Propagate(det.GetPhi(),det.GetR())) continue;
- LocalModuleCoord(ilayer,idet,¤ttrack1,xloc,zloc); // local module coords
- currenttrack2.Propagate(det.GetPhi(),det.GetR());
+ if (!currenttrack2.Propagate(det.GetPhi(),det.GetR())) continue;
currenttrack1.SetDetectorIndex(idet);
currenttrack2.SetDetectorIndex(idet);
+ if(!LocalModuleCoord(ilayer,idet,¤ttrack1,xloc,zloc)) continue; // local module coords
//***************
- // DEFINITION OF SEARCH ROAD FOR CLUSTERS SELECTION
+ // DEFINITION OF SEARCH ROAD AND CLUSTERS SELECTION
//
- Double_t dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()*
- TMath::Sqrt(currenttrack1.GetSigmaZ2() +
- AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
- AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
- AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
- Double_t dy=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadY()*
- TMath::Sqrt(currenttrack1.GetSigmaY2() +
- AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()*
- AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()*
- AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer));
-
- // track at boundary between detectors, enlarge road
- Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidth();
- if ( (currenttrack1.GetY()-dy < det.GetYmin()+boundaryWidth) ||
- (currenttrack1.GetY()+dy > det.GetYmax()-boundaryWidth) ||
- (currenttrack1.GetZ()-dz < det.GetZmin()+boundaryWidth) ||
- (currenttrack1.GetZ()+dz > det.GetZmax()-boundaryWidth) ) {
- Float_t tgl = TMath::Abs(currenttrack1.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(currenttrack1.GetSnp());
- if (snp > AliITSReconstructor::GetRecoParam()->GetMaxSnp()) continue;
- dy = TMath::Sqrt(dy*dy+deltaXNeighbDets*deltaXNeighbDets*snp*snp);
- } // boundary
-
// road in global (rphi,z) [i.e. in tracking ref. system]
- Double_t zmin = currenttrack1.GetZ() - dz;
- Double_t zmax = currenttrack1.GetZ() + dz;
- Double_t ymin = currenttrack1.GetY() + r*det.GetPhi() - dy;
- Double_t ymax = currenttrack1.GetY() + r*det.GetPhi() + dy;
+ Double_t zmin,zmax,ymin,ymax;
+ if (!ComputeRoad(¤ttrack1,ilayer,idet,zmin,zmax,ymin,ymax)) continue;
// select clusters in road
layer.SelectClusters(zmin,zmax,ymin,ymax);
}
msz = 1./msz; // 1/RoadZ^2
msy = 1./msy; // 1/RoadY^2
+
//
//
// LOOP OVER ALL POSSIBLE TRACK PROLONGATIONS ON THIS LAYER
currenttrack = ¤ttrack1;
// check if the road contains a dead zone
- Int_t dead = CheckDeadZone(ilayer,idet,zmin,zmax);
+ 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));
// create a prolongation without clusters (check also if there are no clusters in the road)
if (dead ||
- ((layer.GetNextCluster(clidx,kTRUE))==0 &&
+ (noClusters &&
AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad())) {
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
- updatetrack->SetClIndex(ilayer,0);
+ updatetrack->SetClIndex(ilayer,-1);
if (dead==0) {
modstatus = 5; // no cls in road
} else if (dead==1) {
modstatus = 7; // holes in z in SPD
- } else if (dead==2) {
+ } else if (dead==2 || dead==3 || dead==4) {
modstatus = 2; // dead from OCDB
}
updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
+ updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
if (dead) {
- updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
if (dead==1) { // dead zone at z=0,+-7cm in SPD
- updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
+ updatetrack->SetDeadZoneProbability(ilayer,GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
deadzoneSPD=kTRUE;
- }
+ } else if (dead==2 || dead==3) { // dead module or chip from OCDB
+ updatetrack->SetDeadZoneProbability(ilayer,1.);
+ } else if (dead==4) { // at least a single dead channel from OCDB
+ updatetrack->SetDeadZoneProbability(ilayer,0.);
+ }
}
ntracks[ilayer]++;
}
if (ntracks[ilayer]>95) break; //space for skipped clusters
Bool_t changedet =kFALSE;
if (cl->GetQ()==0 && deadzoneSPD==kTRUE) continue;
- Int_t idet=cl->GetDetectorIndex();
+ Int_t idetc=cl->GetDetectorIndex();
- if (currenttrack->GetDetectorIndex()==idet) { // track already on the cluster's detector
+ if (currenttrack->GetDetectorIndex()==idetc) { // track already on the cluster's detector
+ // take into account misalignment (bring track to real detector plane)
+ Double_t xTrOrig = currenttrack->GetX();
+ if (!currenttrack->Propagate(xTrOrig+cl->GetX())) continue;
// a first cut on track-cluster distance
if ( (currenttrack->GetZ()-cl->GetZ())*(currenttrack->GetZ()-cl->GetZ())*msz +
(currenttrack->GetY()-cl->GetY())*(currenttrack->GetY()-cl->GetY())*msy > 1. )
- continue; // cluster not associated to track
+ { // cluster not associated to track
+ AliDebug(2,"not associated");
+ continue;
+ }
+ // bring track back to ideal detector plane
+ if (!currenttrack->Propagate(xTrOrig)) continue;
} else { // have to move track to cluster's detector
- const AliITSdetector &det=layer.GetDetector(idet);
+ const AliITSdetector &detc=layer.GetDetector(idetc);
// a first cut on track-cluster distance
- Double_t y,z;
- if (!currenttrack2.GetProlongationFast(det.GetPhi(),det.GetR(),y,z)) continue;
+ Double_t y;
+ if (!currenttrack2.GetProlongationFast(detc.GetPhi(),detc.GetR()+cl->GetX(),y,z)) continue;
if ( (z-cl->GetZ())*(z-cl->GetZ())*msz +
(y-cl->GetY())*(y-cl->GetY())*msy > 1. )
continue; // cluster not associated to track
new (&backuptrack) AliITStrackMI(currenttrack2);
changedet = kTRUE;
currenttrack =¤ttrack2;
- if (!currenttrack->Propagate(det.GetPhi(),det.GetR())) {
+ if (!currenttrack->Propagate(detc.GetPhi(),detc.GetR())) {
new (currenttrack) AliITStrackMI(backuptrack);
changedet = kFALSE;
continue;
}
- currenttrack->SetDetectorIndex(idet);
+ currenttrack->SetDetectorIndex(idetc);
// Get again the budget to the primary vertex
// for the current track being prolonged, if had to change detector
//budgetToPrimVertex = GetEffectiveThickness();// not needed at the moment because anyway we take a mean material for this correction
// calculate track-clusters chi2
chi2trkcl = GetPredictedChi2MI(currenttrack,cl,ilayer);
// chi2 cut
+ AliDebug(2,Form("chi2 %f max %f",chi2trkcl,AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)));
if (chi2trkcl < AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) {
if (cl->GetQ()==0) deadzoneSPD=kTRUE; // only 1 prolongation with virtual cluster
if (ntracks[ilayer]>=100) continue;
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
- updatetrack->SetClIndex(ilayer,0);
+ updatetrack->SetClIndex(ilayer,-1);
if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack);
if (cl->GetQ()!=0) { // real cluster
- if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) continue;
- updatetrack->SetSampledEdx(cl->GetQ(),updatetrack->GetNumberOfClusters()-1); //b.b.
+ if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) {
+ AliDebug(2,"update failed");
+ continue;
+ }
+ updatetrack->SetSampledEdx(cl->GetQ(),ilayer-2);
modstatus = 1; // found
} else { // virtual cluster in dead zone
updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
- updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
+ updatetrack->SetDeadZoneProbability(ilayer,GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
modstatus = 7; // holes in z in SPD
}
if (changedet) {
Float_t xlocnewdet,zlocnewdet;
- LocalModuleCoord(ilayer,idet,updatetrack,xlocnewdet,zlocnewdet); // local module coords
- updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xlocnewdet,zlocnewdet);
+ if(LocalModuleCoord(ilayer,idet,updatetrack,xlocnewdet,zlocnewdet)) { // local module coords
+ updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xlocnewdet,zlocnewdet);
+ }
} else {
updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
} //apply vertex constrain
ntracks[ilayer]++;
} // create new hypothesis
+ else {
+ AliDebug(2,"chi2 too large");
+ }
+
} // loop over possible prolongations
// allow one prolongation without clusters
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
- vtrack->SetClIndex(ilayer,0);
+ vtrack->SetClIndex(ilayer,-1);
modstatus = 3; // skipped
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
- vtrack->SetClIndex(ilayer,0);
+ vtrack->SetClIndex(ilayer,-1);
modstatus = 3; // skipped
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
fZcs(0),
fNcs(0),
fCurrentSlice(-1),
+fZmin(0),
fZmax(0),
fYmin(0),
fYmax(0),
fImax(0),
fSkip(0),
fAccepted(0),
-fRoad(0){
+fRoad(0),
+fMaxSigmaClY(0),
+fMaxSigmaClZ(0),
+fNMaxSigmaCl(3)
+{
//--------------------------------------------------------------------
//default AliITSlayer constructor
//--------------------------------------------------------------------
fZcs(0),
fNcs(0),
fCurrentSlice(-1),
+fZmin(0),
fZmax(0),
fYmin(0),
fYmax(0),
fImax(0),
fSkip(0),
fAccepted(0),
-fRoad(0) {
+fRoad(0),
+fMaxSigmaClY(0),
+fMaxSigmaClZ(0),
+fNMaxSigmaCl(3) {
//--------------------------------------------------------------------
//main AliITSlayer constructor
//--------------------------------------------------------------------
fZcs(layer.fZcs),
fNcs(layer.fNcs),
fCurrentSlice(layer.fCurrentSlice),
+fZmin(layer.fZmin),
fZmax(layer.fZmax),
fYmin(layer.fYmin),
fYmax(layer.fYmax),
fImax(layer.fImax),
fSkip(layer.fSkip),
fAccepted(layer.fAccepted),
-fRoad(layer.fRoad){
+fRoad(layer.fRoad),
+fMaxSigmaClY(layer.fMaxSigmaClY),
+fMaxSigmaClZ(layer.fMaxSigmaClZ),
+fNMaxSigmaCl(layer.fNMaxSigmaCl)
+{
//Copy constructor
}
//------------------------------------------------------------------------
//--------------------------------------------------------------------
// AliITSlayer destructor
//--------------------------------------------------------------------
- delete[] fDetectors;
+ 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;
fClusters[fN]=cl;
fN++;
AliITSdetector &det=GetDetector(cl->GetDetectorIndex());
+ //AD
+ 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);
+ //AD
+ /*
if (cl->GetY()<det.GetYmin()) det.SetYmin(cl->GetY());
if (cl->GetY()>det.GetYmax()) det.SetYmax(cl->GetY());
if (cl->GetZ()<det.GetZmin()) det.SetZmin(cl->GetZ());
if (cl->GetZ()>det.GetZmax()) det.SetZmax(cl->GetZ());
-
+ */
return 0;
}
//------------------------------------------------------------------------
Float_t *z = new Float_t[fN];
Int_t * index = new Int_t[fN];
//
+ fMaxSigmaClY=0.; //AD
+ fMaxSigmaClZ=0.; //AD
+
for (Int_t i=0;i<fN;i++){
z[i] = fClusters[i]->GetZ();
+ // save largest errors in y and z for this layer
+ 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++){
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 {
+ //--------------------------------------------------------------------
+ // This function computes the rectangular road for this track
+ //--------------------------------------------------------------------
+
+
+ AliITSdetector &det = fgLayers[ilayer].GetDetector(idet);
+ // take into account the misalignment: propagate track to misaligned detector plane
+ if (!track->Propagate(det.GetPhi(),det.GetRmisal())) return kFALSE;
+
+ Double_t dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()*
+ TMath::Sqrt(track->GetSigmaZ2() +
+ AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
+ AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
+ AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
+ Double_t dy=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadY()*
+ TMath::Sqrt(track->GetSigmaY2() +
+ AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()*
+ AliITSReconstructor::GetRecoParam()->GetNSigmaYLayerForRoadY()*
+ AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer));
+
+ // track at boundary between detectors, enlarge road
+ Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidth();
+ if ( (track->GetY()-dy < det.GetYmin()+boundaryWidth) ||
+ (track->GetY()+dy > det.GetYmax()-boundaryWidth) ||
+ (track->GetZ()-dz < det.GetZmin()+boundaryWidth) ||
+ (track->GetZ()+dz > det.GetZmax()-boundaryWidth) ) {
+ Float_t tgl = TMath::Abs(track->GetTgl());
+ if (tgl > 1.) tgl=1.;
+ Double_t deltaXNeighbDets=AliITSRecoParam::GetDeltaXNeighbDets();
+ dz = TMath::Sqrt(dz*dz+deltaXNeighbDets*deltaXNeighbDets*tgl*tgl);
+ Float_t snp = TMath::Abs(track->GetSnp());
+ if (snp > AliITSReconstructor::GetRecoParam()->GetMaxSnp()) return kFALSE;
+ dy = TMath::Sqrt(dy*dy+deltaXNeighbDets*deltaXNeighbDets*snp*snp);
+ } // boundary
+
+ // add to the road a term (up to 2-3 mm) to deal with misalignments
+ dy = TMath::Sqrt(dy*dy + AliITSReconstructor::GetRecoParam()->GetRoadMisal()*AliITSReconstructor::GetRecoParam()->GetRoadMisal());
+ dz = TMath::Sqrt(dz*dz + AliITSReconstructor::GetRecoParam()->GetRoadMisal()*AliITSReconstructor::GetRecoParam()->GetRoadMisal());
+
+ Double_t r = fgLayers[ilayer].GetR();
+ zmin = track->GetZ() - dz;
+ zmax = track->GetZ() + dz;
+ ymin = track->GetY() + r*det.GetPhi() - dy;
+ ymax = track->GetY() + r*det.GetPhi() + dy;
+
+ // bring track back to idead detector plane
+ if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE;
+
+ return kTRUE;
+}
+//------------------------------------------------------------------------
void AliITStrackerMI::AliITSlayer::
SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin, Double_t ymax) {
//--------------------------------------------------------------------
//--------------------------------------------------------------------
Double_t circle=2*TMath::Pi()*fR;
- fYmin = ymin; fYmax =ymax;
+ fYmin = ymin;
+ fYmax = ymax;
+ fZmin = zmin;
+ fZmax = zmax;
+ // AD
+ // enlarge road in y by maximum cluster error on this layer (3 sigma)
+ 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;
}
}
//
- fI=FindClusterIndex(zmin); fZmax=zmax;
- fImax = TMath::Min(FindClusterIndex(zmax)+1,fNcs);
- fSkip = 0;
- fAccepted =0;
+ fI = FindClusterIndex(fZmin);
+ fImax = TMath::Min(FindClusterIndex(fZmax)+1,fNcs);
+ fSkip = 0;
+ fAccepted = 0;
return;
}
if (nz>=fNdetectors) return -1;
if (nz<0) return -1;
+ // ad hoc correction for 3rd ladder of SDD inner layer,
+ // which is reversed (rotated by pi around local y)
+ // this correction is OK only from AliITSv11Hybrid onwards
+ if (GetR()>12. && GetR()<20.) { // SDD inner
+ if(np==2) { // 3rd ladder
+ nz = (fNdetectors-1) - nz;
+ }
+ }
+ //printf("ndet %d phi %f z %f np %d nz %d\n",fNdetectors,phi,z,np,nz);
+
+
return np*fNdetectors + nz;
}
//------------------------------------------------------------------------
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;
+ // AD
+ // skip clusters that are in "extended" road but they
+ // 3sigma error does not touch the original road
+ 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 (fClusters[i]->GetQ()==0&&fSkip==2) continue;
ci=i;
if (!test) fI=i+1;
return d;
}
//------------------------------------------------------------------------
+AliITStrackerMI::AliITSdetector::AliITSdetector(const AliITSdetector& det):
+fR(det.fR),
+fRmisal(det.fRmisal),
+fPhi(det.fPhi),
+fSinPhi(det.fSinPhi),
+fCosPhi(det.fCosPhi),
+fYmin(det.fYmin),
+fYmax(det.fYmax),
+fZmin(det.fZmin),
+fZmax(det.fZmax),
+fIsBad(det.fIsBad),
+fNChips(det.fNChips),
+fChipIsBad(det.fChipIsBad)
+{
+ //Copy constructor
+}
+//------------------------------------------------------------------------
+void AliITStrackerMI::AliITSdetector::ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,
+ const AliITSDetTypeRec *detTypeRec)
+{
+ //--------------------------------------------------------------------
+ // Read bad detectors and chips from calibration objects in AliITSDetTypeRec
+ //--------------------------------------------------------------------
+
+ // In AliITSDetTypeRec, detector numbers go from 0 to 2197
+ // while in the tracker they start from 0 for each layer
+ for(Int_t il=0; il<ilayer; il++)
+ idet += AliITSgeomTGeo::GetNLadders(il+1)*AliITSgeomTGeo::GetNDetectors(il+1);
+
+ Int_t detType;
+ if (ilayer==0 || ilayer==1) { // ---------- SPD
+ detType = 0;
+ } else if (ilayer==2 || ilayer==3) { // ---------- SDD
+ detType = 1;
+ } else if (ilayer==4 || ilayer==5) { // ---------- SSD
+ detType = 2;
+ } else {
+ printf("AliITStrackerMI::AliITSdetector::InitBadFromOCDB: Wrong layer number %d\n",ilayer);
+ return;
+ }
+
+ // Get calibration from AliITSDetTypeRec
+ AliITSCalibration *calib = (AliITSCalibration*)detTypeRec->GetCalibrationModel(idet);
+ calib->SetModuleIndex(idet);
+ AliITSCalibration *calibSPDdead = 0;
+ if(detType==0) calibSPDdead = (AliITSCalibration*)detTypeRec->GetSPDDeadModel(idet); // TEMPORARY
+ if (calib->IsBad() ||
+ (detType==0 && calibSPDdead->IsBad())) // TEMPORARY
+ {
+ SetBad();
+ // printf("lay %d bad %d\n",ilayer,idet);
+ }
+
+ // Get segmentation from AliITSDetTypeRec
+ AliITSsegmentation *segm = (AliITSsegmentation*)detTypeRec->GetSegmentationModel(detType);
+
+ // Read info about bad chips
+ fNChips = segm->GetMaximumChipIndex()+1;
+ //printf("ilayer %d detType %d idet %d fNChips %d %d GetNumberOfChips %d\n",ilayer,detType,idet,fNChips,segm->GetMaximumChipIndex(),segm->GetNumberOfChips());
+ if(fChipIsBad) { delete [] fChipIsBad; fChipIsBad=NULL; }
+ fChipIsBad = new Bool_t[fNChips];
+ for (Int_t iCh=0;iCh<fNChips;iCh++) {
+ fChipIsBad[iCh] = calib->IsChipBad(iCh);
+ if (detType==0 && calibSPDdead->IsChipBad(iCh)) fChipIsBad[iCh] = kTRUE; // TEMPORARY
+ //if(fChipIsBad[iCh]) {printf("lay %d det %d bad chip %d\n",ilayer,idet,iCh);}
+ }
+
+ return;
+}
+//------------------------------------------------------------------------
Double_t AliITStrackerMI::GetEffectiveThickness()
{
//--------------------------------------------------------------------
for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++) {
if(drphi < fgLayers[innermostlayer].GetR()) break;
}
- //printf(" drphi %f innermost %d\n",drphi,innermostlayer);
+ AliDebug(2,Form(" drphi %f innermost %d",drphi,innermostlayer));
Int_t modstatus=1; // found
Float_t xloc,zloc;
for (Int_t ilayer = from; ilayer != to; ilayer += step) {
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
+
if (step<0 && xx>r) break;
// material between SSD and SDD, SDD and SPD
if (TMath::Abs(hI-1.5)<0.01) // SPDouter
if(!CorrectForShieldMaterial(track,"SPD",dir)) return kFALSE;
- // remember old position [SR, GSI 18.02.2003]
- Double_t oldX=0., oldY=0., oldZ=0.;
- if (track->IsStartedTimeIntegral() && step==1) {
- track->GetGlobalXYZat(track->GetX(),oldX,oldY,oldZ);
- }
- //
Double_t oldGlobXYZ[3];
- track->GetXYZ(oldGlobXYZ);
+ if (!track->GetXYZ(oldGlobXYZ)) return kFALSE;
+
+ // continue if we are already beyond this layer
+ Double_t oldGlobR = TMath::Sqrt(oldGlobXYZ[0]*oldGlobXYZ[0]+oldGlobXYZ[1]*oldGlobXYZ[1]);
+ if(step>0 && oldGlobR > r) continue; // going outward
+ if(step<0 && oldGlobR < r) continue; // going inward
Double_t phi,z;
if (!track->GetPhiZat(r,phi,z)) return kFALSE;
// check if we allow a prolongation without point for large-eta tracks
Int_t skip = CheckSkipLayer(track,ilayer,idet);
if (skip==2) {
- // propagate to the layer radius
- Double_t xToGo; track->GetLocalXat(r,xToGo);
- track->AliExternalTrackParam::PropagateTo(xToGo,GetBz());
- // apply correction for material of the current layer
- CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir);
modstatus = 4; // out in z
- LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
- track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
- // track time update [SR, GSI 17.02.2003]
- if (track->IsStartedTimeIntegral() && step==1) {
- Double_t newX, newY, newZ;
- track->GetGlobalXYZat(track->GetX(),newX,newY,newZ);
- Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
- (oldZ-newZ)*(oldZ-newZ);
- track->AddTimeStep(TMath::Sqrt(dL2));
+ if(LocalModuleCoord(ilayer,idet,track,xloc,zloc)) { // local module coords
+ track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
+ // cross layer
+ // apply correction for material of the current layer
+ // add time if going outward
+ CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir);
continue;
}
if (idet<0) return kFALSE;
+
const AliITSdetector &det=layer.GetDetector(idet);
- phi=det.GetPhi();
- if (!track->Propagate(phi,det.GetR())) return kFALSE;
+ if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE;
+
track->SetDetectorIndex(idet);
- LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
+ if(!LocalModuleCoord(ilayer,idet,track,xloc,zloc)) return kFALSE; // local module coords
- Double_t dz,zmin,zmax;
+ Double_t dz,zmin,zmax,dy,ymin,ymax;
const AliITSRecPoint *clAcc=0;
Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2();
if (cl) {
if (idet != cl->GetDetectorIndex()) {
idet=cl->GetDetectorIndex();
- const AliITSdetector &det=layer.GetDetector(idet);
- if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE;
+ const AliITSdetector &detc=layer.GetDetector(idet);
+ if (!track->Propagate(detc.GetPhi(),detc.GetR())) return kFALSE;
track->SetDetectorIndex(idet);
- LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
+ if(!LocalModuleCoord(ilayer,idet,track,xloc,zloc)) return kFALSE; // local module coords
}
- //Double_t chi2=track->GetPredictedChi2(cl);
Int_t cllayer = (idx & 0xf0000000) >> 28;;
Double_t chi2=GetPredictedChi2MI(track,cl,cllayer);
if (chi2<maxchi2) {
} else { // no cluster in this layer
if (skip==1) {
modstatus = 3; // skipped
- // Plane Eff determination:
- if (planeeff && AliITSReconstructor::GetRecoParam()->GetLayersToSkip(ilayer)) {
- if (IsOKForPlaneEff(track,ilayer)) // only adequate track for plane eff. evaluation
- UseTrackForPlaneEff(track,ilayer);
+ // Plane Eff determination:
+ if (planeeff && ilayer==AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()) {
+ if (IsOKForPlaneEff(track,clusters,ilayer)) // only adequate track for plane eff. evaluation
+ UseTrackForPlaneEff(track,ilayer);
}
} else {
modstatus = 5; // no cls in road
// check dead
- dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()*
- TMath::Sqrt(track->GetSigmaZ2() +
- AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
- AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
- AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
- zmin=track->GetZ() - dz;
- zmax=track->GetZ() + dz;
- Int_t dead = CheckDeadZone(ilayer,idet,zmin,zmax);
+ if (!ComputeRoad(track,ilayer,idet,zmin,zmax,ymin,ymax)) return kFALSE;
+ dz = 0.5*(zmax-zmin);
+ dy = 0.5*(ymax-ymin);
+ Int_t dead = CheckDeadZone(track,ilayer,idet,dz,dy,kTRUE);
if (dead==1) modstatus = 7; // holes in z in SPD
- if (dead==2) modstatus = 2; // dead from OCDB
+ if (dead==2 || dead==3 || dead==4) modstatus = 2; // dead from OCDB
}
}
if (clAcc) {
if (!UpdateMI(track,clAcc,maxchi2,idx)) return kFALSE;
- track->SetSampledEdx(clAcc->GetQ(),track->GetNumberOfClusters()-1);
+ track->SetSampledEdx(clAcc->GetQ(),ilayer-2);
}
track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
if (extra) { // search for extra clusters in overlapped modules
AliITStrackV2 tmp(*track);
- Double_t dy,ymin,ymax;
- dz=4*TMath::Sqrt(tmp.GetSigmaZ2()+AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
- if (dz < 0.5*TMath::Abs(tmp.GetTgl())) dz=0.5*TMath::Abs(tmp.GetTgl());
- dy=4*TMath::Sqrt(track->GetSigmaY2()+AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer));
- if (dy < 0.5*TMath::Abs(tmp.GetSnp())) dy=0.5*TMath::Abs(tmp.GetSnp());
- zmin=track->GetZ() - dz;
- zmax=track->GetZ() + dz;
- ymin=track->GetY() + phi*r - dy;
- ymax=track->GetY() + phi*r + dy;
+ 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;
- Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(), tolerance=0.1;
+ maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2();
+ Double_t tolerance=0.1;
while ((clExtra=layer.GetNextCluster(ci))!=0) {
// only clusters in another module! (overlaps)
idetExtra = clExtra->GetDetectorIndex();
if (idet == idetExtra) continue;
- const AliITSdetector &det=layer.GetDetector(idetExtra);
-
- if (!tmp.Propagate(det.GetPhi(),det.GetR())) 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; }
} // end search for extra clusters in overlapped modules
// Correct for material of the current layer
+ // cross material
+ // add time if going outward
if(!CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir)) return kFALSE;
- // track time update [SR, GSI 17.02.2003]
- if (track->IsStartedTimeIntegral() && step==1) {
- Double_t newX, newY, newZ;
- track->GetGlobalXYZat(track->GetX(),newX,newY,newZ);
- Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
- (oldZ-newZ)*(oldZ-newZ);
- track->AddTimeStep(TMath::Sqrt(dL2));
- }
- //
-
} // end loop on layers
if (!track->PropagateTo(xx,0.,0.)) return kFALSE;
Float_t *ny = GetNy(fCurrentEsdTrack), *nz = GetNz(fCurrentEsdTrack);
if (mode<100){
for (Int_t i = 0;i<6;i++){
- if (track->GetClIndex(i)>0){
+ if (track->GetClIndex(i)>=0){
Float_t cerry, cerrz;
if (ny[i]>0) {cerry = erry[i]; cerrz=errz[i];}
else
}
else{
for (Int_t i = 0;i<4;i++){
- if (track->GetClIndex(i)>0){
+ 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);}
}
}
for (Int_t i = 4;i<6;i++){
- if (track->GetClIndex(i)>0){
+ 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);}
}
}
if (match<0) match=0;
- Float_t deadzonefactor = (track->GetNDeadZone()>0) ? 3*(1.1-track->GetDeadZoneProbability()):0.;
+
+ // penalty factor for missing points (NDeadZone>0), but no penalty
+ // for layer with deadZoneProb close to 1 (either we wanted to skip layer
+ // or there is a dead from OCDB)
+ Float_t deadzonefactor = 0.;
+ if (track->GetNDeadZone()>0.) {
+ Float_t sumDeadZoneProbability=0;
+ for(Int_t ilay=0;ilay<6;ilay++) sumDeadZoneProbability+=track->GetDeadZoneProbability(ilay);
+ Float_t nDeadZoneWithProbNot1=(Float_t)(track->GetNDeadZone())-sumDeadZoneProbability;
+ if(nDeadZoneWithProbNot1>0.) {
+ Float_t deadZoneProbability = sumDeadZoneProbability - (Float_t)((Int_t)sumDeadZoneProbability);
+ deadZoneProbability /= nDeadZoneWithProbNot1;
+ 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()));
return normchi2;
}
//------------------------------------------------------------------------
-Double_t AliITStrackerMI::GetMatchingChi2(AliITStrackMI * track1, AliITStrackMI * track2)
+Double_t AliITStrackerMI::GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2)
{
//
// return matching chi2 between two tracks
+ Double_t largeChi2=1000.;
+
AliITStrackMI track3(*track2);
- track3.Propagate(track1->GetAlpha(),track1->GetX());
+ 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();
return chi2(0,0);
}
//------------------------------------------------------------------------
-Double_t AliITStrackerMI::GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr)
+Double_t AliITStrackerMI::GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const
{
//
// return probability that given point (characterized by z position and error)
return probability;
}
//------------------------------------------------------------------------
-Double_t AliITStrackerMI::GetTruncatedChi2(AliITStrackMI * track, Float_t fac)
+Double_t AliITStrackerMI::GetTruncatedChi2(const AliITStrackMI * track, Float_t fac)
{
//
// calculate normalized chi2
return normchi2;
}
//------------------------------------------------------------------------
-Double_t AliITStrackerMI::GetInterpolatedChi2(AliITStrackMI * forwardtrack, AliITStrackMI * backtrack)
+Double_t AliITStrackerMI::GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack)
{
//
// calculate normalized chi2
return fgLayers[l].GetWeight(c);
}
//------------------------------------------------------------------------
-void AliITStrackerMI::RegisterClusterTracks(AliITStrackMI* track,Int_t id)
+void AliITStrackerMI::RegisterClusterTracks(const AliITStrackMI* track,Int_t id)
{
//---------------------------------------------
// register track to the list
}
}
//------------------------------------------------------------------------
-void AliITStrackerMI::UnRegisterClusterTracks(AliITStrackMI* track, Int_t id)
+void AliITStrackerMI::UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id)
{
//---------------------------------------------
// unregister track from the list
return shared;
}
//------------------------------------------------------------------------
-Int_t AliITStrackerMI::GetOverlapTrack(AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6],Int_t overlist[6])
+Int_t AliITStrackerMI::GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6],Int_t overlist[6])
{
//
// find first shared track
if (trackindex==2) sharedtrack =TMath::Min(tracks[0],tracks[1]);
else{
//
- Int_t track[24], cluster[24];
- for (Int_t i=0;i<trackindex;i++){ track[i]=-1; cluster[i]=0;}
+ Int_t tracks2[24], cluster[24];
+ for (Int_t i=0;i<trackindex;i++){ tracks2[i]=-1; cluster[i]=0;}
Int_t index =0;
//
for (Int_t i=0;i<trackindex;i++){
if (tracks[i]<0) continue;
- track[index] = tracks[i];
+ tracks2[index] = tracks[i];
cluster[index]++;
for (Int_t j=i+1;j<trackindex;j++){
if (tracks[j]<0) continue;
Int_t max=0;
for (Int_t i=0;i<index;i++){
if (cluster[index]>max) {
- sharedtrack=track[index];
+ sharedtrack=tracks2[index];
max=cluster[index];
}
}
//if (track2->fFakeRatio>0) continue;
Float_t nskipped=0;
RegisterClusterTracks(track2,trackID2);
- Int_t list1[6],list2[6];
- AliITSRecPoint *clist1[6], *clist2[6] ;
Float_t cconflict1 = GetNumberOfSharedClusters(track1,trackID1,list1,clist1);
Float_t cconflict2 = GetNumberOfSharedClusters(track2,trackID2,list2,clist2);
UnRegisterClusterTracks(track2,trackID2);
}
}
//
- Double_t chi21=0,chi22=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));
// add track to the list of hypothesys
//------------------------------------------------------------------
- if (esdindex>=fTrackHypothesys.GetEntriesFast()) fTrackHypothesys.Expand(esdindex*2+10);
+ if (esdindex>=fTrackHypothesys.GetEntriesFast())
+ fTrackHypothesys.Expand(TMath::Max(fTrackHypothesys.GetSize(),esdindex*2+10));
//
TObjArray * array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) {
//take errors of best track as a reference
Float_t *erry = GetErrY(esdindex), *errz = GetErrZ(esdindex);
Float_t *ny = GetNy(esdindex), *nz = GetNz(esdindex);
- for (Int_t i=0;i<6;i++) {
- if (besttrack->GetClIndex(i)>0){
- erry[i] = besttrack->GetSigmaY(i); erry[i+6] = besttrack->GetSigmaY(i+6);
- errz[i] = besttrack->GetSigmaZ(i); errz[i+6] = besttrack->GetSigmaZ(i+6);
- ny[i] = besttrack->GetNy(i);
- nz[i] = besttrack->GetNz(i);
+ for (Int_t j=0;j<6;j++) {
+ if (besttrack->GetClIndex(j)>=0){
+ erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6);
+ errz[j] = besttrack->GetSigmaZ(j); errz[j+6] = besttrack->GetSigmaZ(j+6);
+ ny[j] = besttrack->GetNy(j);
+ nz[j] = besttrack->GetNz(j);
}
}
//
TMath::Sort(entries,chi2,index,kFALSE);
besttrack = (AliITStrackMI*)array->At(index[0]);
if (besttrack&&besttrack->GetChi2MIP(0)<AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)){
- for (Int_t i=0;i<6;i++){
- if (besttrack->GetClIndex(i)>0){
- erry[i] = besttrack->GetSigmaY(i); erry[i+6] = besttrack->GetSigmaY(i+6);
- errz[i] = besttrack->GetSigmaZ(i); erry[i+6] = besttrack->GetSigmaY(i+6);
- ny[i] = besttrack->GetNy(i);
- nz[i] = besttrack->GetNz(i);
+ for (Int_t j=0;j<6;j++){
+ if (besttrack->GetClIndex(j)>=0){
+ erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6);
+ errz[j] = besttrack->GetSigmaZ(j); erry[j+6] = besttrack->GetSigmaY(j+6);
+ ny[j] = besttrack->GetNy(j);
+ nz[j] = besttrack->GetNz(j);
}
}
}
besttrack = (AliITStrackMI*)array->At(index[0]);
if (besttrack){
//
- for (Int_t i=0;i<6;i++){
- if (besttrack->GetNz(i)>0&&besttrack->GetNy(i)>0){
- erry[i] = besttrack->GetSigmaY(i); erry[i+6] = besttrack->GetSigmaY(i+6);
- errz[i] = besttrack->GetSigmaZ(i); errz[i+6] = besttrack->GetSigmaZ(i+6);
- ny[i] = besttrack->GetNy(i);
- nz[i] = besttrack->GetNz(i);
+ for (Int_t j=0;j<6;j++){
+ if (besttrack->GetNz(j)>0&&besttrack->GetNy(j)>0){
+ erry[j] = besttrack->GetSigmaY(j); erry[j+6] = besttrack->GetSigmaY(j+6);
+ errz[j] = besttrack->GetSigmaZ(j); errz[j+6] = besttrack->GetSigmaZ(j+6);
+ ny[j] = besttrack->GetNy(j);
+ nz[j] = besttrack->GetNz(j);
}
}
besttrack->SetChi2MIP(0,GetNormalizedChi2(besttrack,mode));
- Float_t minchi2 = TMath::Min(besttrack->GetChi2MIP(0)+5.+besttrack->GetNUsed(), double(AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(0)));
+ 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++){
if (!shortbest) accepted++;
//
newarray->AddLast(array->RemoveAt(index[i]));
- for (Int_t i=0;i<6;i++){
- if (nz[i]==0){
- erry[i] = track->GetSigmaY(i); erry[i+6] = track->GetSigmaY(i+6);
- errz[i] = track->GetSigmaZ(i); errz[i] = track->GetSigmaZ(i+6);
- ny[i] = track->GetNy(i);
- nz[i] = track->GetNz(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);
}
}
}
delete forwardtrack;
Int_t accepted=0;
for (Int_t i=0;i<entries;i++){
- AliITStrackMI * track = (AliITStrackMI*)array->At(i);
+ AliITStrackMI * track = (AliITStrackMI*)array->At(i);
+
if (!track) continue;
if (accepted>checkmax || track->GetChi2MIP(3)>AliITSReconstructor::GetRecoParam()->GetMaxChi2PerCluster(3)*6. ||
//
array->Compress();
SortTrackHypothesys(esdindex,checkmax,1);
+
array = (TObjArray*) fTrackHypothesys.At(esdindex);
if (!array) return 0; // PH What can be the reason? Check SortTrackHypothesys
besttrack = (AliITStrackMI*)array->At(0);
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;
+ if (index<0) continue;
Int_t ilayer = (index & 0xf0000000) >> 28;
if (besttrack->GetSigmaY(ilayer)<0.00000000001) continue;
AliITSRecPoint *c = (AliITSRecPoint*)GetCluster(index);
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))){
+ if ( (track->GetClIndex(ilayer)>=0) && (track->GetClIndex(ilayer)!=besttrack->GetClIndex(ilayer))){
cansign = kFALSE;
break;
}
Float_t minn=0;
Float_t maxchi2=1000;
for (Int_t j=0;j<array->GetEntriesFast();j++){
- AliITStrackMI* track = (AliITStrackMI*)array->At(j);
- if (!track) continue;
- if (track->GetGoldV0()) {
- longtrack = track; //gold V0 track taken
+ AliITStrackMI* trackHyp = (AliITStrackMI*)array->At(j);
+ if (!trackHyp) continue;
+ if (trackHyp->GetGoldV0()) {
+ longtrack = trackHyp; //gold V0 track taken
break;
}
- if (track->GetNumberOfClusters()+track->GetNDeadZone()<minn) continue;
- Float_t chi2 = track->GetChi2MIP(0);
+ if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()<minn) continue;
+ Float_t chi2 = trackHyp->GetChi2MIP(0);
if (fAfterV0){
- if (!track->GetGoldV0()&&track->GetConstrain()==kFALSE) chi2+=5;
+ if (!trackHyp->GetGoldV0()&&trackHyp->GetConstrain()==kFALSE) chi2+=5;
}
- if (track->GetNumberOfClusters()+track->GetNDeadZone()>minn) maxchi2 = track->GetChi2MIP(0);
+ if (trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone()>minn) maxchi2 = trackHyp->GetChi2MIP(0);
//
if (chi2 > maxchi2) continue;
- minn= track->GetNumberOfClusters()+track->GetNDeadZone();
+ minn= trackHyp->GetNumberOfClusters()+trackHyp->GetNDeadZone();
maxchi2 = chi2;
- longtrack=track;
+ longtrack=trackHyp;
}
//
//
for (Int_t ind=0;ind<3;ind++){
if (tpcLabel>0)
if (cl->GetLabel(ind)==tpcLabel) isWrong=0;
+ AliDebug(2,Form("icl %d ilab %d lab %d",i,ind,cl->GetLabel(ind)));
}
track->SetChi2MIP(9,track->GetChi2MIP(9)+isWrong*(2<<l));
nwrong+=isWrong;
else
track->SetLabel(tpcLabel);
}
+ AliDebug(2,Form(" nls %d wrong %d label %d tpcLabel %d\n",nclusters,nwrong,track->GetLabel(),tpcLabel));
}
//------------------------------------------------------------------------
void AliITStrackerMI::CookdEdx(AliITStrackMI* track)
{
//
- //
- // Int_t list[6];
- //AliITSRecPoint * clist[6];
- // Int_t shared = GetNumberOfSharedClusters(track,index,list,clist);
- Float_t dedx[4];
- Int_t accepted=0;
track->SetChi2MIP(9,0);
for (Int_t i=0;i<track->GetNumberOfClusters();i++){
Int_t cindex = track->GetClusterIndex(i);
if (cl->GetLabel(ind)==lab) isWrong=0;
}
track->SetChi2MIP(9,track->GetChi2MIP(9)+isWrong*(2<<l));
- if (l<2) continue;
- //if (l>3 && (cl->GetNy()>4) || (cl->GetNz()>4)) continue; //shared track
- //if (l>3&& !(cl->GetType()==1||cl->GetType()==10)) continue;
- //if (l<4&& !(cl->GetType()==1)) continue;
- dedx[accepted]= track->GetSampledEdx(i);
- //dedx[accepted]= track->fNormQ[l];
- accepted++;
- }
- if (accepted<1) {
- track->SetdEdx(0);
- return;
}
- Int_t indexes[4];
- TMath::Sort(accepted,dedx,indexes,kFALSE);
Double_t low=0.;
Double_t up=0.51;
- Double_t nl=low*accepted, nu =up*accepted;
- Float_t sumamp = 0;
- Float_t sumweight =0;
- for (Int_t i=0; i<accepted; i++) {
- Float_t weight =1;
- if (i<nl+0.1) weight = TMath::Max(1.-(nl-i),0.);
- if (i>nu-1) weight = TMath::Max(nu-i,0.);
- sumamp+= dedx[indexes[i]]*weight;
- sumweight+=weight;
- }
- track->SetdEdx(sumamp/sumweight);
+ track->CookdEdx(low,up);
}
//------------------------------------------------------------------------
void AliITStrackerMI::MakeCoefficients(Int_t ntracks){
//
+ // Create some arrays
//
if (fCoefficients) delete []fCoefficients;
fCoefficients = new Float_t[ntracks*48];
Double_t AliITStrackerMI::GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer)
{
//
+ // Compute predicted chi2
//
- //
- Float_t erry,errz;
+ Float_t erry,errz,covyz;
Float_t theta = track->GetTgl();
Float_t phi = track->GetSnp();
- phi = TMath::Sqrt(phi*phi/(1.-phi*phi));
- AliITSClusterParam::GetError(layer,cluster,theta,phi,track->GetExpQ(),erry,errz);
- Double_t chi2 = track->GetPredictedChi2MI(cluster->GetY(),cluster->GetZ(),erry,errz);
+ phi = TMath::Abs(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()));
+ // Take into account the mis-alignment (bring track to cluster plane)
+ Double_t xTrOrig=track->GetX();
+ if (!track->Propagate(xTrOrig+cluster->GetX())) return 1000.;
+ 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);
+ // Bring the track back to detector plane in ideal geometry
+ // [mis-alignment will be accounted for in UpdateMI()]
+ 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;
track->SetNz(layer,nz);
track->SetSigmaY(layer,erry);
track->SetSigmaZ(layer, errz);
+ track->SetSigmaYZ(layer,covyz);
//track->fNormQ[layer] = cluster->GetQ()/TMath::Sqrt(1+theta*theta+phi*phi);
- track->SetNormQ(layer,cluster->GetQ()/TMath::Sqrt((1.+ track->GetTgl()*track->GetTgl())/(1.- track->GetSnp()*track->GetSnp())));
+ 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
{
//
- //
+ // Update ITS track
//
Int_t layer = (index & 0xf0000000) >> 28;
track->SetClIndex(layer, index);
if (cl->GetQ()<=0) return 0; // ingore the "virtual" clusters
- //Float_t clxyz[3]; cl->GetGlobalXYZ(clxyz);Double_t trxyz[3]; track->GetXYZ(trxyz);printf("gtr %f %f %f\n",trxyz[0],trxyz[1],trxyz[2]);printf("gcl %f %f %f\n",clxyz[0],clxyz[1],clxyz[2]);
+ // Take into account the mis-alignment (bring track to cluster plane)
+ Double_t xTrOrig=track->GetX();
+ Float_t clxyz[3]; cl->GetGlobalXYZ(clxyz);Double_t trxyz[3]; track->GetXYZ(trxyz);
+ 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()));
- // Take into account the mis-alignment
- Double_t x=track->GetX()+cl->GetX();
- if (!track->PropagateTo(x,0.,0.)) return 0;
+ 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));
+
- return track->UpdateMI(&c,chi2,index);
+ Int_t updated = track->UpdateMI(&c,chi2,index);
+ // Bring the track back to detector plane in ideal geometry
+ if (!track->Propagate(xTrOrig)) return 0;
+
+ if(!updated) AliDebug(2,"update failed");
+ return updated;
}
//------------------------------------------------------------------------
-void AliITStrackerMI::GetDCASigma(AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz)
+void AliITStrackerMI::GetDCASigma(const AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz)
{
//
//DCA sigmas parameterization
sigmaz = 0.0110+4.37*TMath::Abs(track->GetC());
}
//------------------------------------------------------------------------
-void AliITStrackerMI::SignDeltas( TObjArray *ClusterArray, Float_t vz)
+void AliITStrackerMI::SignDeltas(const TObjArray *clusterArray, Float_t vz)
{
//
+ // Clusters from delta electrons?
//
- Int_t entries = ClusterArray->GetEntriesFast();
+ Int_t entries = clusterArray->GetEntriesFast();
if (entries<4) return;
- AliITSRecPoint* cluster = (AliITSRecPoint*)ClusterArray->At(0);
+ AliITSRecPoint* cluster = (AliITSRecPoint*)clusterArray->At(0);
Int_t layer = cluster->GetLayer();
if (layer>1) return;
Int_t index[10000];
Float_t r = (layer>0)? 7:4;
//
for (Int_t i=0;i<entries;i++){
- AliITSRecPoint* cl0 = (AliITSRecPoint*)ClusterArray->At(i);
+ AliITSRecPoint* cl0 = (AliITSRecPoint*)clusterArray->At(i);
Float_t nz = 1+TMath::Abs((cl0->GetZ()-vz)/r);
if (cl0->GetNy()+cl0->GetNz()<=5+2*layer+nz) continue;
index[ncandidates] = i; //candidate to belong to delta electron track
//
//
for (Int_t i=0;i<ncandidates;i++){
- AliITSRecPoint* cl0 = (AliITSRecPoint*)ClusterArray->At(index[i]);
+ AliITSRecPoint* cl0 = (AliITSRecPoint*)clusterArray->At(index[i]);
if (cl0->GetDeltaProbability()>0.8) continue;
//
Int_t ncl = 0;
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]);
+ AliITSRecPoint* cl1 = (AliITSRecPoint*)clusterArray->At(index[j]);
//
Float_t dz = cl0->GetZ()-cl1->GetZ();
Float_t dy = cl0->GetY()-cl1->GetY();
void AliITStrackerMI::UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const
{
//
+ // Update ESD track
//
track->UpdateESDtrack(flags);
AliITStrackMI * oldtrack = (AliITStrackMI*)(track->GetESDtrack()->GetITStrack());
return res;
}
//------------------------------------------------------------------------
-void AliITStrackerMI::UpdateTPCV0(AliESDEvent *event){
- //
- //try to update, or reject TPC V0s
- //
- Int_t nv0s = event->GetNumberOfV0s();
- Int_t nitstracks = fTrackHypothesys.GetEntriesFast();
-
- for (Int_t i=0;i<nv0s;i++){
- AliESDv0 * vertex = event->GetV0(i);
- Int_t ip = vertex->GetIndex(0);
- Int_t im = vertex->GetIndex(1);
- //
- TObjArray * arrayp = (ip<nitstracks) ? (TObjArray*)fTrackHypothesys.At(ip):0;
- TObjArray * arraym = (im<nitstracks) ? (TObjArray*)fTrackHypothesys.At(im):0;
- AliITStrackMI * trackp = (arrayp!=0) ? (AliITStrackMI*)arrayp->At(0):0;
- AliITStrackMI * trackm = (arraym!=0) ? (AliITStrackMI*)arraym->At(0):0;
- //
- //
- if (trackp){
- if (trackp->GetNumberOfClusters()+trackp->GetNDeadZone()>5.5){
- if (trackp->GetConstrain()&&trackp->GetChi2MIP(0)<3) vertex->SetStatus(-100);
- if (!trackp->GetConstrain()&&trackp->GetChi2MIP(0)<2) vertex->SetStatus(-100);
- }
- }
-
- if (trackm){
- if (trackm->GetNumberOfClusters()+trackm->GetNDeadZone()>5.5){
- if (trackm->GetConstrain()&&trackm->GetChi2MIP(0)<3) vertex->SetStatus(-100);
- if (!trackm->GetConstrain()&&trackm->GetChi2MIP(0)<2) vertex->SetStatus(-100);
- }
- }
- if (vertex->GetStatus()==-100) continue;
- //
- Double_t xrp[3]; vertex->GetXYZ(xrp[0],xrp[1],xrp[2]); //I.B.
- Int_t clayer = GetNearestLayer(xrp); //I.B.
- vertex->SetNBefore(clayer); //
- vertex->SetChi2Before(9*clayer); //
- vertex->SetNAfter(6-clayer); //
- vertex->SetChi2After(0); //
- //
- if (clayer >1 ){ // calculate chi2 before vertex
- Float_t chi2p = 0, chi2m=0;
- //
- if (trackp){
- for (Int_t ilayer=0;ilayer<clayer;ilayer++){
- if (trackp->GetClIndex(ilayer)>0){
- chi2p+=trackp->GetDy(ilayer)*trackp->GetDy(ilayer)/(trackp->GetSigmaY(ilayer)*trackp->GetSigmaY(ilayer))+
- trackp->GetDz(ilayer)*trackp->GetDz(ilayer)/(trackp->GetSigmaZ(ilayer)*trackp->GetSigmaZ(ilayer));
- }
- else{
- chi2p+=9;
- }
- }
- }else{
- chi2p = 9*clayer;
- }
- //
- if (trackm){
- for (Int_t ilayer=0;ilayer<clayer;ilayer++){
- if (trackm->GetClIndex(ilayer)>0){
- chi2m+=trackm->GetDy(ilayer)*trackm->GetDy(ilayer)/(trackm->GetSigmaY(ilayer)*trackm->GetSigmaY(ilayer))+
- trackm->GetDz(ilayer)*trackm->GetDz(ilayer)/(trackm->GetSigmaZ(ilayer)*trackm->GetSigmaZ(ilayer));
- }
- else{
- chi2m+=9;
- }
- }
- }else{
- chi2m = 9*clayer;
- }
- vertex->SetChi2Before(TMath::Min(chi2p,chi2m));
- if (TMath::Min(chi2p,chi2m)/Float_t(clayer)<4) vertex->SetStatus(-10); // track exist before vertex
- }
-
- if (clayer < 5 ){ // calculate chi2 after vertex
- Float_t chi2p = 0, chi2m=0;
- //
- if (trackp&&TMath::Abs(trackp->GetTgl())<1.){
- for (Int_t ilayer=clayer;ilayer<6;ilayer++){
- if (trackp->GetClIndex(ilayer)>0){
- chi2p+=trackp->GetDy(ilayer)*trackp->GetDy(ilayer)/(trackp->GetSigmaY(ilayer)*trackp->GetSigmaY(ilayer))+
- trackp->GetDz(ilayer)*trackp->GetDz(ilayer)/(trackp->GetSigmaZ(ilayer)*trackp->GetSigmaZ(ilayer));
- }
- else{
- chi2p+=9;
- }
- }
- }else{
- chi2p = 0;
- }
- //
- if (trackm&&TMath::Abs(trackm->GetTgl())<1.){
- for (Int_t ilayer=clayer;ilayer<6;ilayer++){
- if (trackm->GetClIndex(ilayer)>0){
- chi2m+=trackm->GetDy(ilayer)*trackm->GetDy(ilayer)/(trackm->GetSigmaY(ilayer)*trackm->GetSigmaY(ilayer))+
- trackm->GetDz(ilayer)*trackm->GetDz(ilayer)/(trackm->GetSigmaZ(ilayer)*trackm->GetSigmaZ(ilayer));
- }
- else{
- chi2m+=9;
- }
- }
- }else{
- chi2m = 0;
- }
- vertex->SetChi2After(TMath::Max(chi2p,chi2m));
- if (TMath::Max(chi2m,chi2p)/Float_t(6-clayer)>9) vertex->SetStatus(-20); // track not found in ITS
- }
- }
- //
-}
-//------------------------------------------------------------------------
-void AliITStrackerMI::FindV02(AliESDEvent *event)
-{
- //
- // V0 finder
- //
- // Cuts on DCA - R dependent
- // max distance DCA between 2 tracks cut
- // maxDist = TMath::Min(kMaxDist,kMaxDist0+pvertex->GetRr()*kMaxDist);
- //
- const Float_t kMaxDist0 = 0.1;
- const Float_t kMaxDist1 = 0.1;
- const Float_t kMaxDist = 1;
- const Float_t kMinPointAngle = 0.85;
- const Float_t kMinPointAngle2 = 0.99;
- const Float_t kMinR = 0.5;
- const Float_t kMaxR = 220;
- //const Float_t kCausality0Cut = 0.19;
- //const Float_t kLikelihood01Cut = 0.25;
- //const Float_t kPointAngleCut = 0.9996;
- const Float_t kCausality0Cut = 0.19;
- const Float_t kLikelihood01Cut = 0.45;
- const Float_t kLikelihood1Cut = 0.5;
- const Float_t kCombinedCut = 0.55;
-
- //
- //
- TTreeSRedirector &cstream = *fDebugStreamer;
- Int_t ntracks = event->GetNumberOfTracks();
- Int_t nitstracks = fTrackHypothesys.GetEntriesFast();
- fOriginal.Expand(ntracks);
- fTrackHypothesys.Expand(ntracks);
- fBestHypothesys.Expand(ntracks);
- //
- AliHelix * helixes = new AliHelix[ntracks+2];
- TObjArray trackarray(ntracks+2); //array with tracks - with vertex constrain
- TObjArray trackarrayc(ntracks+2); //array of "best tracks" - without vertex constrain
- TObjArray trackarrayl(ntracks+2); //array of "longest tracks" - without vertex constrain
- Bool_t * forbidden = new Bool_t [ntracks+2];
- Int_t *itsmap = new Int_t [ntracks+2];
- Float_t *dist = new Float_t[ntracks+2];
- Float_t *normdist0 = new Float_t[ntracks+2];
- Float_t *normdist1 = new Float_t[ntracks+2];
- Float_t *normdist = new Float_t[ntracks+2];
- Float_t *norm = new Float_t[ntracks+2];
- Float_t *maxr = new Float_t[ntracks+2];
- Float_t *minr = new Float_t[ntracks+2];
- Float_t *minPointAngle= new Float_t[ntracks+2];
- //
- AliV0 *pvertex = new AliV0;
- AliITStrackMI * dummy= new AliITStrackMI;
- dummy->SetLabel(0);
- AliITStrackMI trackat0; //temporary track for DCA calculation
- //
- Float_t primvertex[3]={GetX(),GetY(),GetZ()};
- //
- // make ITS - ESD map
- //
- for (Int_t itrack=0;itrack<ntracks+2;itrack++) {
- itsmap[itrack] = -1;
- forbidden[itrack] = kFALSE;
- maxr[itrack] = kMaxR;
- minr[itrack] = kMinR;
- minPointAngle[itrack] = kMinPointAngle;
- }
- for (Int_t itrack=0;itrack<nitstracks;itrack++){
- AliITStrackMI * original = (AliITStrackMI*)(fOriginal.At(itrack));
- Int_t esdindex = original->GetESDtrack()->GetID();
- itsmap[esdindex] = itrack;
- }
- //
- // create ITS tracks from ESD tracks if not done before
- //
- for (Int_t itrack=0;itrack<ntracks;itrack++){
- if (itsmap[itrack]>=0) continue;
- AliITStrackMI * tpctrack = new AliITStrackMI(*(event->GetTrack(itrack)));
- //tpctrack->fD[0] = tpctrack->GetD(GetX(),GetY());
- //tpctrack->fD[1] = tpctrack->GetZat(GetX())-GetZ();
- tpctrack->GetDZ(GetX(),GetY(),GetZ(),tpctrack->GetDP()); //I.B.
- if (tpctrack->GetD(0)<20 && tpctrack->GetD(1)<20){
- // tracks which can reach inner part of ITS
- // propagate track to outer its volume - with correction for material
- CorrectForTPCtoITSDeadZoneMaterial(tpctrack);
- }
- itsmap[itrack] = nitstracks;
- fOriginal.AddAt(tpctrack,nitstracks);
- nitstracks++;
- }
- //
- // fill temporary arrays
- //
- for (Int_t itrack=0;itrack<ntracks;itrack++){
- AliESDtrack * esdtrack = event->GetTrack(itrack);
- Int_t itsindex = itsmap[itrack];
- AliITStrackMI *original = (AliITStrackMI*)fOriginal.At(itsmap[itrack]);
- if (!original) continue;
- AliITStrackMI *bestConst = 0;
- AliITStrackMI *bestLong = 0;
- AliITStrackMI *best = 0;
- //
- //
- TObjArray * array = (TObjArray*) fTrackHypothesys.At(itsindex);
- Int_t hentries = (array==0) ? 0 : array->GetEntriesFast();
- // Get best track with vertex constrain
- for (Int_t ih=0;ih<hentries;ih++){
- AliITStrackMI * trackh = (AliITStrackMI*)array->At(ih);
- if (!trackh->GetConstrain()) continue;
- if (!bestConst) bestConst = trackh;
- if (trackh->GetNumberOfClusters()>5.0){
- bestConst = trackh; // full track - with minimal chi2
- break;
- }
- if (trackh->GetNumberOfClusters()+trackh->GetNDeadZone()<=bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()) continue;
- bestConst = trackh;
- break;
- }
- // Get best long track without vertex constrain and best track without vertex constrain
- for (Int_t ih=0;ih<hentries;ih++){
- AliITStrackMI * trackh = (AliITStrackMI*)array->At(ih);
- if (trackh->GetConstrain()) continue;
- if (!best) best = trackh;
- if (!bestLong) bestLong = trackh;
- if (trackh->GetNumberOfClusters()>5.0){
- bestLong = trackh; // full track - with minimal chi2
- break;
- }
- if (trackh->GetNumberOfClusters()+trackh->GetNDeadZone()<=bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()) continue;
- bestLong = trackh;
- }
- if (!best) {
- best = original;
- bestLong = original;
- }
- //I.B. trackat0 = *bestLong;
- new (&trackat0) AliITStrackMI(*bestLong);
- Double_t xx,yy,zz,alpha;
- bestLong->GetGlobalXYZat(bestLong->GetX(),xx,yy,zz);
- alpha = TMath::ATan2(yy,xx);
- trackat0.Propagate(alpha,0);
- // calculate normalized distances to the vertex
- //
- Float_t ptfac = (1.+100.*TMath::Abs(trackat0.GetC()));
- if ( bestLong->GetNumberOfClusters()>3 ){
- dist[itsindex] = trackat0.GetY();
- norm[itsindex] = ptfac*TMath::Sqrt(trackat0.GetSigmaY2());
- normdist0[itsindex] = TMath::Abs(trackat0.GetY()/norm[itsindex]);
- normdist1[itsindex] = TMath::Abs((trackat0.GetZ()-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.GetSigmaZ2())));
- normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
- if (!bestConst){
- if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<6) normdist[itsindex]*=2.;
- if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<5) normdist[itsindex]*=2.;
- if (bestLong->GetNumberOfClusters()+bestLong->GetNDeadZone()<4) normdist[itsindex]*=2.;
- }else{
- if (bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()<6) normdist[itsindex]*=1.5;
- if (bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()<5) normdist[itsindex]*=1.5;
- }
- }
- else{
- if (bestConst&&bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>4.5){
- dist[itsindex] = bestConst->GetD(0);
- norm[itsindex] = bestConst->GetDnorm(0);
- normdist0[itsindex] = TMath::Abs(bestConst->GetD(0)/norm[itsindex]);
- normdist1[itsindex] = TMath::Abs(bestConst->GetD(0)/norm[itsindex]);
- normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
- }else{
- dist[itsindex] = trackat0.GetY();
- norm[itsindex] = ptfac*TMath::Sqrt(trackat0.GetSigmaY2());
- normdist0[itsindex] = TMath::Abs(trackat0.GetY()/norm[itsindex]);
- normdist1[itsindex] = TMath::Abs((trackat0.GetZ()-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.GetSigmaZ2())));
- normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
- if (TMath::Abs(trackat0.GetTgl())>1.05){
- if (normdist[itsindex]<3) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]>3) {
- minr[itsindex] = TMath::Max(Float_t(40.),minr[itsindex]);
- }
- }
- }
- }
- //
- //-----------------------------------------------------------
- //Forbid primary track candidates -
- //
- //treetr->SetAlias("forbidden0","Tr0.fN<4&&Tr1.fN+Tr1.fNDeadZone>4.5");
- //treetr->SetAlias("forbidden1","ND<3&&Tr1.fN+Tr1.fNDeadZone>5.5");
- //treetr->SetAlias("forbidden2","ND<2&&Tr1.fClIndex[0]>0&&Tr1.fClIndex[0]>0");
- //treetr->SetAlias("forbidden3","ND<1&&Tr1.fClIndex[0]>0");
- //treetr->SetAlias("forbidden4","ND<4&&Tr1.fNormChi2[0]<2");
- //treetr->SetAlias("forbidden5","ND<5&&Tr1.fNormChi2[0]<1");
- //-----------------------------------------------------------
- if (bestConst){
- if (bestLong->GetNumberOfClusters()<4 && bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>4.5) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]<3 && bestConst->GetNumberOfClusters()+bestConst->GetNDeadZone()>5.5) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]<2 && bestConst->GetClIndex(0)>0 && bestConst->GetClIndex(1)>0 ) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]<1 && bestConst->GetClIndex(0)>0) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]<4 && bestConst->GetNormChi2(0)<2) forbidden[itsindex]=kTRUE;
- if (normdist[itsindex]<5 && bestConst->GetNormChi2(0)<1) forbidden[itsindex]=kTRUE;
- if (bestConst->GetNormChi2(0)<2.5) {
- minPointAngle[itsindex]= 0.9999;
- maxr[itsindex] = 10;
- }
- }
- //
- //forbid daughter kink candidates
- //
- if (esdtrack->GetKinkIndex(0)>0) forbidden[itsindex] = kTRUE;
- Bool_t isElectron = kTRUE;
- Bool_t isProton = kTRUE;
- Double_t pid[5];
- esdtrack->GetESDpid(pid);
- for (Int_t i=1;i<5;i++){
- if (pid[0]<pid[i]) isElectron= kFALSE;
- if (pid[4]<pid[i]) isProton= kFALSE;
- }
- if (isElectron){
- forbidden[itsindex]=kFALSE;
- normdist[itsindex]*=-1;
- }
- if (isProton){
- if (normdist[itsindex]>2) forbidden[itsindex]=kFALSE;
- normdist[itsindex]*=-1;
- }
-
- //
- // Causality cuts in TPC volume
- //
- if (esdtrack->GetTPCdensity(0,10) >0.6) maxr[itsindex] = TMath::Min(Float_t(110),maxr[itsindex]);
- if (esdtrack->GetTPCdensity(10,30)>0.6) maxr[itsindex] = TMath::Min(Float_t(120),maxr[itsindex]);
- if (esdtrack->GetTPCdensity(20,40)>0.6) maxr[itsindex] = TMath::Min(Float_t(130),maxr[itsindex]);
- if (esdtrack->GetTPCdensity(30,50)>0.6) maxr[itsindex] = TMath::Min(Float_t(140),maxr[itsindex]);
- //
- if (esdtrack->GetTPCdensity(0,60)<0.4&&bestLong->GetNumberOfClusters()<3) minr[itsindex]=100;
- //
- //
- if (kFALSE){
- cstream<<"Track"<<
- "Tr0.="<<best<<
- "Tr1.="<<((bestConst)? bestConst:dummy)<<
- "Tr2.="<<bestLong<<
- "Tr3.="<<&trackat0<<
- "Esd.="<<esdtrack<<
- "Dist="<<dist[itsindex]<<
- "ND0="<<normdist0[itsindex]<<
- "ND1="<<normdist1[itsindex]<<
- "ND="<<normdist[itsindex]<<
- "Pz="<<primvertex[2]<<
- "Forbid="<<forbidden[itsindex]<<
- "\n";
- //
- }
- trackarray.AddAt(best,itsindex);
- trackarrayc.AddAt(bestConst,itsindex);
- trackarrayl.AddAt(bestLong,itsindex);
- new (&helixes[itsindex]) AliHelix(*best);
- }
- //
- //
- //
- // first iterration of V0 finder
- //
- for (Int_t iesd0=0;iesd0<ntracks;iesd0++){
- Int_t itrack0 = itsmap[iesd0];
- if (forbidden[itrack0]) continue;
- AliITStrackMI * btrack0 = (AliITStrackMI*)trackarray.At(itrack0);
- if (!btrack0) continue;
- if (btrack0->GetSign()>0) continue;
- AliITStrackMI *trackc0 = (AliITStrackMI*)trackarrayc.At(itrack0);
- //
- for (Int_t iesd1=0;iesd1<ntracks;iesd1++){
- Int_t itrack1 = itsmap[iesd1];
- if (forbidden[itrack1]) continue;
-
- AliITStrackMI * btrack1 = (AliITStrackMI*)trackarray.At(itrack1);
- if (!btrack1) continue;
- if (btrack1->GetSign()<0) continue;
- Bool_t isGold = kFALSE;
- if (TMath::Abs(TMath::Abs(btrack0->GetLabel())-TMath::Abs(btrack1->GetLabel()))==1){
- isGold = kTRUE;
- }
- AliITStrackMI *trackc1 = (AliITStrackMI*)trackarrayc.At(itrack1);
- AliHelix &h1 = helixes[itrack0];
- AliHelix &h2 = helixes[itrack1];
- //
- // find linear distance
- Double_t rmin =0;
- //
- //
- //
- Double_t phase[2][2],radius[2];
- Int_t points = h1.GetRPHIintersections(h2, phase, radius);
- if (points==0) continue;
- Double_t delta[2]={1000000,1000000};
- rmin = radius[0];
- h1.ParabolicDCA(h2,phase[0][0],phase[0][1],radius[0],delta[0]);
- if (points==2){
- if (radius[1]<rmin) rmin = radius[1];
- h1.ParabolicDCA(h2,phase[1][0],phase[1][1],radius[1],delta[1]);
- }
- rmin = TMath::Sqrt(rmin);
- Double_t distance = 0;
- Double_t radiusC = 0;
- Int_t iphase = 0;
- if (points==1 || delta[0]<delta[1]){
- distance = TMath::Sqrt(delta[0]);
- radiusC = TMath::Sqrt(radius[0]);
- }else{
- distance = TMath::Sqrt(delta[1]);
- radiusC = TMath::Sqrt(radius[1]);
- iphase=1;
- }
- if (radiusC<TMath::Max(minr[itrack0],minr[itrack1])) continue;
- if (radiusC>TMath::Min(maxr[itrack0],maxr[itrack1])) continue;
- Float_t maxDist = TMath::Min(kMaxDist,Float_t(kMaxDist0+radiusC*kMaxDist1));
- if (distance>maxDist) continue;
- Float_t pointAngle = h1.GetPointAngle(h2,phase[iphase],primvertex);
- if (pointAngle<TMath::Max(minPointAngle[itrack0],minPointAngle[itrack1])) continue;
- //
- //
- // Double_t distance = TestV0(h1,h2,pvertex,rmin);
- //
- // if (distance>maxDist) continue;
- // if (pvertex->GetRr()<kMinR) continue;
- // if (pvertex->GetRr()>kMaxR) continue;
- AliITStrackMI * track0=btrack0;
- AliITStrackMI * track1=btrack1;
- // if (pvertex->GetRr()<3.5){
- if (radiusC<3.5){
- //use longest tracks inside the pipe
- track0 = (AliITStrackMI*)trackarrayl.At(itrack0);
- track1 = (AliITStrackMI*)trackarrayl.At(itrack1);
- }
- //
- //
- pvertex->SetParamN(*track0);
- pvertex->SetParamP(*track1);
- pvertex->Update(primvertex);
- pvertex->SetClusters(track0->ClIndex(),track1->ClIndex()); // register clusters
-
- if (pvertex->GetRr()<kMinR) continue;
- if (pvertex->GetRr()>kMaxR) continue;
- if (pvertex->GetV0CosineOfPointingAngle()<kMinPointAngle) continue;
-//Bo: if (pvertex->GetDist2()>maxDist) continue;
- if (pvertex->GetDcaV0Daughters()>maxDist) continue;
-//Bo: pvertex->SetLab(0,track0->GetLabel());
-//Bo: pvertex->SetLab(1,track1->GetLabel());
- pvertex->SetIndex(0,track0->GetESDtrack()->GetID());
- pvertex->SetIndex(1,track1->GetESDtrack()->GetID());
- //
- AliITStrackMI * htrackc0 = trackc0 ? trackc0:dummy;
- AliITStrackMI * htrackc1 = trackc1 ? trackc1:dummy;
-
- //
- //
- TObjArray * array0b = (TObjArray*)fBestHypothesys.At(itrack0);
- if (!array0b&&pvertex->GetRr()<40 && TMath::Abs(track0->GetTgl())<1.1) {
- fCurrentEsdTrack = itrack0;
- FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack0),itrack0, kFALSE);
- }
- TObjArray * array1b = (TObjArray*)fBestHypothesys.At(itrack1);
- if (!array1b&&pvertex->GetRr()<40 && TMath::Abs(track1->GetTgl())<1.1) {
- fCurrentEsdTrack = itrack1;
- FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack1),itrack1, kFALSE);
- }
- //
- AliITStrackMI * track0b = (AliITStrackMI*)fOriginal.At(itrack0);
- AliITStrackMI * track1b = (AliITStrackMI*)fOriginal.At(itrack1);
- AliITStrackMI * track0l = (AliITStrackMI*)fOriginal.At(itrack0);
- AliITStrackMI * track1l = (AliITStrackMI*)fOriginal.At(itrack1);
-
- Float_t minchi2before0=16;
- Float_t minchi2before1=16;
- Float_t minchi2after0 =16;
- Float_t minchi2after1 =16;
- Double_t xrp[3]; pvertex->GetXYZ(xrp[0],xrp[1],xrp[2]); //I.B.
- Int_t maxLayer = GetNearestLayer(xrp); //I.B.
-
- if (array0b) for (Int_t i=0;i<5;i++){
- // best track after vertex
- AliITStrackMI * btrack = (AliITStrackMI*)array0b->At(i);
- if (!btrack) continue;
- if (btrack->GetNumberOfClusters()>track0l->GetNumberOfClusters()) track0l = btrack;
- // if (btrack->fX<pvertex->GetRr()-2.-0.5/(0.1+pvertex->GetAnglep()[2])) {
- if (btrack->GetX()<pvertex->GetRr()-2.) {
- if ( (maxLayer>i+2|| (i==0)) && btrack->GetNumberOfClusters()==(6-i)&&i<3){
- Float_t sumchi2= 0;
- Float_t sumn = 0;
- if (maxLayer<3){ // take prim vertex as additional measurement
- if (normdist[itrack0]>0 && htrackc0){
- sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack0]*normdist[itrack0],16.);
- }else{
- sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack0]*normdist[itrack0]+3.),16.);
- }
- sumn += 3-maxLayer;
- }
- for (Int_t ilayer=i;ilayer<maxLayer;ilayer++){
- sumn+=1.;
- if (!btrack->GetClIndex(ilayer)){
- sumchi2+=25;
- continue;
- }else{
- Int_t c=( btrack->GetClIndex(ilayer) & 0x0fffffff);
- for (Int_t itrack=0;itrack<4;itrack++){
- if (fgLayers[ilayer].GetClusterTracks(itrack,c)>=0 && fgLayers[ilayer].GetClusterTracks(itrack,c)!=itrack0){
- sumchi2+=18.; //shared cluster
- break;
- }
- }
- sumchi2+=btrack->GetDy(ilayer)*btrack->GetDy(ilayer)/(btrack->GetSigmaY(ilayer)*btrack->GetSigmaY(ilayer));
- sumchi2+=btrack->GetDz(ilayer)*btrack->GetDz(ilayer)/(btrack->GetSigmaZ(ilayer)*btrack->GetSigmaZ(ilayer));
- }
- }
- sumchi2/=sumn;
- if (sumchi2<minchi2before0) minchi2before0=sumchi2;
- }
- continue; //safety space - Geo manager will give exact layer
- }
- track0b = btrack;
- minchi2after0 = btrack->GetNormChi2(i);
- break;
- }
- if (array1b) for (Int_t i=0;i<5;i++){
- // best track after vertex
- AliITStrackMI * btrack = (AliITStrackMI*)array1b->At(i);
- if (!btrack) continue;
- if (btrack->GetNumberOfClusters()>track1l->GetNumberOfClusters()) track1l = btrack;
- // if (btrack->fX<pvertex->GetRr()-2-0.5/(0.1+pvertex->GetAnglep()[2])){
- if (btrack->GetX()<pvertex->GetRr()-2){
- if ((maxLayer>i+2 || (i==0))&&btrack->GetNumberOfClusters()==(6-i)&&(i<3)){
- Float_t sumchi2= 0;
- Float_t sumn = 0;
- if (maxLayer<3){ // take prim vertex as additional measurement
- if (normdist[itrack1]>0 && htrackc1){
- sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack1]*normdist[itrack1],16.);
- }else{
- sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack1]*normdist[itrack1]+3.),16.);
- }
- sumn += 3-maxLayer;
- }
- for (Int_t ilayer=i;ilayer<maxLayer;ilayer++){
- sumn+=1.;
- if (!btrack->GetClIndex(ilayer)){
- sumchi2+=30;
- continue;
- }else{
- Int_t c=( btrack->GetClIndex(ilayer) & 0x0fffffff);
- for (Int_t itrack=0;itrack<4;itrack++){
- if (fgLayers[ilayer].GetClusterTracks(itrack,c)>=0 && fgLayers[ilayer].GetClusterTracks(itrack,c)!=itrack1){
- sumchi2+=18.; //shared cluster
- break;
- }
- }
- sumchi2+=btrack->GetDy(ilayer)*btrack->GetDy(ilayer)/(btrack->GetSigmaY(ilayer)*btrack->GetSigmaY(ilayer));
- sumchi2+=btrack->GetDz(ilayer)*btrack->GetDz(ilayer)/(btrack->GetSigmaZ(ilayer)*btrack->GetSigmaZ(ilayer));
- }
- }
- sumchi2/=sumn;
- if (sumchi2<minchi2before1) minchi2before1=sumchi2;
- }
- continue; //safety space - Geo manager will give exact layer
- }
- track1b = btrack;
- minchi2after1 = btrack->GetNormChi2(i);
- break;
- }
- //
- // position resolution - used for DCA cut
- Float_t sigmad = track0b->GetSigmaY2()+track0b->GetSigmaZ2()+track1b->GetSigmaY2()+track1b->GetSigmaZ2()+
- (track0b->GetX()-pvertex->GetRr())*(track0b->GetX()-pvertex->GetRr())*(track0b->GetSigmaSnp2()+track0b->GetSigmaTgl2())+
- (track1b->GetX()-pvertex->GetRr())*(track1b->GetX()-pvertex->GetRr())*(track1b->GetSigmaSnp2()+track1b->GetSigmaTgl2());
- sigmad =TMath::Sqrt(sigmad)+0.04;
- if (pvertex->GetRr()>50){
- Double_t cov0[15],cov1[15];
- track0b->GetESDtrack()->GetInnerExternalCovariance(cov0);
- track1b->GetESDtrack()->GetInnerExternalCovariance(cov1);
- sigmad = cov0[0]+cov0[2]+cov1[0]+cov1[2]+
- (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov0[5]+cov0[9])+
- (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov1[5]+cov1[9]);
- sigmad =TMath::Sqrt(sigmad)+0.05;
- }
- //
- AliV0 vertex2;
- vertex2.SetParamN(*track0b);
- vertex2.SetParamP(*track1b);
- vertex2.Update(primvertex);
- //Bo: if (vertex2.GetDist2()<=pvertex->GetDist2()&&(vertex2.GetV0CosineOfPointingAngle()>=pvertex->GetV0CosineOfPointingAngle())){
- if (vertex2.GetDcaV0Daughters()<=pvertex->GetDcaV0Daughters()&&(vertex2.GetV0CosineOfPointingAngle()>=pvertex->GetV0CosineOfPointingAngle())){
- pvertex->SetParamN(*track0b);
- pvertex->SetParamP(*track1b);
- pvertex->Update(primvertex);
- pvertex->SetClusters(track0b->ClIndex(),track1b->ClIndex()); // register clusters
- pvertex->SetIndex(0,track0->GetESDtrack()->GetID());
- pvertex->SetIndex(1,track1->GetESDtrack()->GetID());
- }
- pvertex->SetDistSigma(sigmad);
- //Bo: pvertex->SetDistNorm(pvertex->GetDist2()/sigmad);
- pvertex->SetNormDCAPrim(normdist[itrack0],normdist[itrack1]);
- //
- // define likelihhod and causalities
- //
- Float_t pa0=1, pa1=1, pb0=0.26, pb1=0.26;
- if (maxLayer<1){
- Float_t fnorm0 = normdist[itrack0];
- if (fnorm0<0) fnorm0*=-3;
- Float_t fnorm1 = normdist[itrack1];
- if (fnorm1<0) fnorm1*=-3;
- if (pvertex->GetAnglep()[2]>0.1 || (pvertex->GetRr()<10.5)&& pvertex->GetAnglep()[2]>0.05 || pvertex->GetRr()<3){
- pb0 = TMath::Exp(-TMath::Min(fnorm0,Float_t(16.))/12.);
- pb1 = TMath::Exp(-TMath::Min(fnorm1,Float_t(16.))/12.);
- }
- pvertex->SetChi2Before(normdist[itrack0]);
- pvertex->SetChi2After(normdist[itrack1]);
- pvertex->SetNAfter(0);
- pvertex->SetNBefore(0);
- }else{
- pvertex->SetChi2Before(minchi2before0);
- pvertex->SetChi2After(minchi2before1);
- if (pvertex->GetAnglep()[2]>0.1 || ( pvertex->GetRr()<10.5 && pvertex->GetAnglep()[2]>0.05) || pvertex->GetRr()<3){
- pb0 = TMath::Exp(-TMath::Min(minchi2before0,Float_t(16))/12.);
- pb1 = TMath::Exp(-TMath::Min(minchi2before1,Float_t(16))/12.);
- }
- pvertex->SetNAfter(maxLayer);
- pvertex->SetNBefore(maxLayer);
- }
- if (pvertex->GetRr()<90){
- pa0 *= TMath::Min(track0->GetESDtrack()->GetTPCdensity(0,60),Double_t(1.));
- pa1 *= TMath::Min(track1->GetESDtrack()->GetTPCdensity(0,60),Double_t(1.));
- }
- if (pvertex->GetRr()<20){
- pa0 *= (0.2+TMath::Exp(-TMath::Min(minchi2after0,Float_t(16))/8.))/1.2;
- pa1 *= (0.2+TMath::Exp(-TMath::Min(minchi2after1,Float_t(16))/8.))/1.2;
- }
- //
- pvertex->SetCausality(pb0,pb1,pa0,pa1);
- //
- // Likelihood calculations - apply cuts
- //
- Bool_t v0OK = kTRUE;
- Float_t p12 = pvertex->GetParamP()->GetParameter()[4]*pvertex->GetParamP()->GetParameter()[4];
- p12 += pvertex->GetParamN()->GetParameter()[4]*pvertex->GetParamN()->GetParameter()[4];
- p12 = TMath::Sqrt(p12); // "mean" momenta
- Float_t sigmap0 = 0.0001+0.001/(0.1+pvertex->GetRr());
- Float_t sigmap = 0.5*sigmap0*(0.6+0.4*p12); // "resolution: of point angle - as a function of radius and momenta
-
- Float_t causalityA = (1.0-pvertex->GetCausalityP()[0])*(1.0-pvertex->GetCausalityP()[1]);
- Float_t causalityB = TMath::Sqrt(TMath::Min(pvertex->GetCausalityP()[2],Double_t(0.7))*
- TMath::Min(pvertex->GetCausalityP()[3],Double_t(0.7)));
- //
- //Bo: Float_t likelihood0 = (TMath::Exp(-pvertex->GetDistNorm())+0.1) *(pvertex->GetDist2()<0.5)*(pvertex->GetDistNorm()<5);
- Float_t lDistNorm = pvertex->GetDcaV0Daughters()/pvertex->GetDistSigma();
- Float_t likelihood0 = (TMath::Exp(-lDistNorm)+0.1) *(pvertex->GetDcaV0Daughters()<0.5)*(lDistNorm<5);
-
- Float_t likelihood1 = TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/sigmap)+
- 0.4*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/(4.*sigmap))+
- 0.4*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/(8.*sigmap))+
- 0.1*TMath::Exp(-(1.0001-pvertex->GetV0CosineOfPointingAngle())/0.01);
- //
- if (causalityA<kCausality0Cut) v0OK = kFALSE;
- if (TMath::Sqrt(likelihood0*likelihood1)<kLikelihood01Cut) v0OK = kFALSE;
- if (likelihood1<kLikelihood1Cut) v0OK = kFALSE;
- if (TMath::Power(likelihood0*likelihood1*causalityB,0.33)<kCombinedCut) v0OK = kFALSE;
-
- //
- //
- if (kFALSE){
- Bool_t gold = TMath::Abs(TMath::Abs(track0->GetLabel())-TMath::Abs(track1->GetLabel()))==1;
- cstream<<"It0"<<
- "Tr0.="<<track0<< //best without constrain
- "Tr1.="<<track1<< //best without constrain
- "Tr0B.="<<track0b<< //best without constrain after vertex
- "Tr1B.="<<track1b<< //best without constrain after vertex
- "Tr0C.="<<htrackc0<< //best with constrain if exist
- "Tr1C.="<<htrackc1<< //best with constrain if exist
- "Tr0L.="<<track0l<< //longest best
- "Tr1L.="<<track1l<< //longest best
- "Esd0.="<<track0->GetESDtrack()<< // esd track0 params
- "Esd1.="<<track1->GetESDtrack()<< // esd track1 params
- "V0.="<<pvertex<< //vertex properties
- "V0b.="<<&vertex2<< //vertex properties at "best" track
- "ND0="<<normdist[itrack0]<< //normalize distance for track0
- "ND1="<<normdist[itrack1]<< //normalize distance for track1
- "Gold="<<gold<< //
- // "RejectBase="<<rejectBase<< //rejection in First itteration
- "OK="<<v0OK<<
- "rmin="<<rmin<<
- "sigmad="<<sigmad<<
- "\n";
- }
- //if (rejectBase) continue;
- //
- pvertex->SetStatus(0);
- // if (rejectBase) {
- // pvertex->SetStatus(-100);
- //}
- if (pvertex->GetV0CosineOfPointingAngle()>kMinPointAngle2) {
- //Bo: pvertex->SetESDindexes(track0->GetESDtrack()->GetID(),track1->GetESDtrack()->GetID());
- pvertex->SetIndex(0,track0->GetESDtrack()->GetID());//Bo: consistency 0 for neg
- pvertex->SetIndex(1,track1->GetESDtrack()->GetID());//Bo: consistency 1 for pos
- if (v0OK){
- // AliV0vertex vertexjuri(*track0,*track1);
- // vertexjuri.SetESDindexes(track0->fESDtrack->GetID(),track1->fESDtrack->GetID());
- // event->AddV0(&vertexjuri);
- pvertex->SetStatus(100);
- }
- pvertex->SetOnFlyStatus(kTRUE);
- pvertex->ChangeMassHypothesis(kK0Short);
- event->AddV0(pvertex);
- }
- }
- }
- //
- //
- // delete temporary arrays
- //
- delete[] forbidden;
- delete[] minPointAngle;
- delete[] maxr;
- delete[] minr;
- delete[] norm;
- delete[] normdist;
- delete[] normdist1;
- delete[] normdist0;
- delete[] dist;
- delete[] itsmap;
- delete[] helixes;
- delete pvertex;
-}
-//------------------------------------------------------------------------
-void AliITStrackerMI::RefitV02(AliESDEvent *event)
-{
- //
- //try to refit V0s in the third path of the reconstruction
- //
- TTreeSRedirector &cstream = *fDebugStreamer;
- //
- Int_t nv0s = event->GetNumberOfV0s();
- Float_t primvertex[3]={GetX(),GetY(),GetZ()};
- AliV0 v0temp;
- for (Int_t iv0 = 0; iv0<nv0s;iv0++){
- AliV0 * v0mi = (AliV0*)event->GetV0(iv0);
- if (!v0mi) continue;
- Int_t itrack0 = v0mi->GetIndex(0);
- Int_t itrack1 = v0mi->GetIndex(1);
- AliESDtrack *esd0 = event->GetTrack(itrack0);
- AliESDtrack *esd1 = event->GetTrack(itrack1);
- if (!esd0||!esd1) continue;
- AliITStrackMI tpc0(*esd0);
- AliITStrackMI tpc1(*esd1);
- Double_t x,y,z; v0mi->GetXYZ(x,y,z); //I.B.
- Double_t alpha =TMath::ATan2(y,x); //I.B.
- if (v0mi->GetRr()>85){
- if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){
- v0temp.SetParamN(tpc0);
- v0temp.SetParamP(tpc1);
- v0temp.Update(primvertex);
- if (kFALSE) cstream<<"Refit"<<
- "V0.="<<v0mi<<
- "V0refit.="<<&v0temp<<
- "Tr0.="<<&tpc0<<
- "Tr1.="<<&tpc1<<
- "\n";
- //Bo: if (v0temp.GetDist2()<v0mi->GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- if (v0temp.GetDcaV0Daughters()<v0mi->GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- v0mi->SetParamN(tpc0);
- v0mi->SetParamP(tpc1);
- v0mi->Update(primvertex);
- }
- }
- continue;
- }
- if (v0mi->GetRr()>35){
- CorrectForTPCtoITSDeadZoneMaterial(&tpc0);
- CorrectForTPCtoITSDeadZoneMaterial(&tpc1);
- if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){
- v0temp.SetParamN(tpc0);
- v0temp.SetParamP(tpc1);
- v0temp.Update(primvertex);
- if (kFALSE) cstream<<"Refit"<<
- "V0.="<<v0mi<<
- "V0refit.="<<&v0temp<<
- "Tr0.="<<&tpc0<<
- "Tr1.="<<&tpc1<<
- "\n";
- //Bo: if (v0temp.GetDist2()<v0mi->GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- if (v0temp.GetDcaV0Daughters()<v0mi->GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- v0mi->SetParamN(tpc0);
- v0mi->SetParamP(tpc1);
- v0mi->Update(primvertex);
- }
- }
- continue;
- }
- CorrectForTPCtoITSDeadZoneMaterial(&tpc0);
- CorrectForTPCtoITSDeadZoneMaterial(&tpc1);
- // if (tpc0.Propagate(alpha,v0mi->GetRr())&&tpc1.Propagate(alpha,v0mi->GetRr())){
- if (RefitAt(v0mi->GetRr(),&tpc0, v0mi->GetClusters(0)) && RefitAt(v0mi->GetRr(),&tpc1, v0mi->GetClusters(1))){
- v0temp.SetParamN(tpc0);
- v0temp.SetParamP(tpc1);
- v0temp.Update(primvertex);
- if (kFALSE) cstream<<"Refit"<<
- "V0.="<<v0mi<<
- "V0refit.="<<&v0temp<<
- "Tr0.="<<&tpc0<<
- "Tr1.="<<&tpc1<<
- "\n";
- //Bo: if (v0temp.GetDist2()<v0mi->GetDist2() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- if (v0temp.GetDcaV0Daughters()<v0mi->GetDcaV0Daughters() || v0temp.GetV0CosineOfPointingAngle()>v0mi->GetV0CosineOfPointingAngle()){
- v0mi->SetParamN(tpc0);
- v0mi->SetParamP(tpc1);
- v0mi->Update(primvertex);
- }
- }
- }
-}
-//------------------------------------------------------------------------
void AliITStrackerMI::BuildMaterialLUT(TString material) {
//--------------------------------------------------------------------
// Fill a look-up table with mean material
Double_t point1[3],point2[3];
Double_t phi,cosphi,sinphi,z;
// 0-5 layers, 6 pipe, 7-8 shields
- Double_t rmin[9]={ 3.5, 5.5,13.0,22.0,35.0,41.0, 2.0, 7.5,25.0};
- Double_t rmax[9]={ 5.5, 7.3,17.0,26.0,41.0,47.0, 3.0,10.5,30.0};
+ 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")) {
//-------------------------------------------------------------------
// Propagate beyond beam pipe and correct for material
// (material budget in different ways according to fUseTGeo value)
+ // Add time if going outward (PropagateTo or PropagateToTGeo)
//-------------------------------------------------------------------
// Define budget mode:
// 0: material from AliITSRecoParam (hard coded)
- // 1: material from TGeo (on the fly)
+ // 1: material from TGeo in one step (on the fly)
// 2: material from lut
- // 3: material from TGeo (same for all hypotheses)
+ // 3: material from TGeo in one step (same for all hypotheses)
Int_t mode;
switch(fUseTGeo) {
case 0:
Float_t dir = (direction.Contains("inward") ? 1. : -1.);
Double_t rToGo=(dir>0 ? AliITSRecoParam::GetrInsidePipe() : AliITSRecoParam::GetrOutsidePipe());
- Double_t xToGo; t->GetLocalXat(rToGo,xToGo);
+ Double_t xToGo;
+ if (!t->GetLocalXat(rToGo,xToGo)) return 0;
Double_t xOverX0,x0,lengthTimesMeanDensity;
- Bool_t anglecorr=kTRUE;
switch(mode) {
case 0:
xOverX0 = AliITSRecoParam::GetdPipe();
x0 = AliITSRecoParam::GetX0Be();
lengthTimesMeanDensity = xOverX0*x0;
+ lengthTimesMeanDensity *= dir;
+ if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 1:
if (!t->PropagateToTGeo(xToGo,1)) return 0;
- return 1;
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()*t->GetSnp()));
+ ((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;
}
- lengthTimesMeanDensity *= dir;
-
- if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0;
- if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0;
-
return 1;
}
//------------------------------------------------------------------------
//-------------------------------------------------------------------
// Propagate beyond SPD or SDD shield and correct for material
// (material budget in different ways according to fUseTGeo value)
+ // Add time if going outward (PropagateTo or PropagateToTGeo)
//-------------------------------------------------------------------
// Define budget mode:
// 0: material from AliITSRecoParam (hard coded)
- // 1: material from TGeo (on the fly)
+ // 1: material from TGeo in steps of X cm (on the fly)
+ // X = AliITSRecoParam::GetStepSizeTGeo()
// 2: material from lut
- // 3: material from TGeo (same for all hypotheses)
+ // 3: material from TGeo in one step (same for all hypotheses)
Int_t mode;
switch(fUseTGeo) {
case 0:
Error("CorrectForShieldMaterial"," Wrong shield name\n");
return 0;
}
- Double_t xToGo; t->GetLocalXat(rToGo,xToGo);
+
+ // do nothing if we are already beyond the shield
+ Double_t rTrack = TMath::Sqrt(t->GetX()*t->GetX()+t->GetY()*t->GetY());
+ if(dir<0 && rTrack > rToGo) return 1; // going outward
+ if(dir>0 && rTrack < rToGo) return 1; // going inward
+
+
+ Double_t xToGo;
+ if (!t->GetLocalXat(rToGo,xToGo)) return 0;
Int_t index=2*fCurrentEsdTrack+shieldindex;
Double_t xOverX0,x0,lengthTimesMeanDensity;
- Bool_t anglecorr=kTRUE;
+ 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:
- if (!t->PropagateToTGeo(xToGo,1)) return 0;
- return 1;
+ nsteps= (Int_t)(TMath::Abs(t->GetX()-xToGo)/AliITSReconstructor::GetRecoParam()->GetStepSizeTGeo())+1;
+ if (!t->PropagateToTGeo(xToGo,nsteps)) return 0; // cross the material and apply correction
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()*t->GetSnp()));
+ ((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;
}
- lengthTimesMeanDensity *= dir;
-
- if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0;
- if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0;
-
return 1;
}
//------------------------------------------------------------------------
//-------------------------------------------------------------------
// Propagate beyond layer and correct for material
// (material budget in different ways according to fUseTGeo value)
+ // Add time if going outward (PropagateTo or PropagateToTGeo)
//-------------------------------------------------------------------
// Define budget mode:
// 0: material from AliITSRecoParam (hard coded)
- // 1: material from TGeo (on the fly)
+ // 1: material from TGeo in stepsof X cm (on the fly)
+ // X = AliITSRecoParam::GetStepSizeTGeo()
// 2: material from lut
- // 3: material from TGeo (same for all hypotheses)
+ // 3: material from TGeo in one step (same for all hypotheses)
Int_t mode;
switch(fUseTGeo) {
case 0:
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; t->GetLocalXat(rToGo,xToGo);
+ Double_t xToGo;
+ if (!t->GetLocalXat(rToGo,xToGo)) return 0;
Int_t index=6*fCurrentEsdTrack+layerindex;
- // Bring the track beyond the material
- if (!t->AliExternalTrackParam::PropagateTo(xToGo,GetBz())) return 0;
- Double_t globXYZ[3];
- t->GetXYZ(globXYZ);
Double_t xOverX0=0.0,x0=0.0,lengthTimesMeanDensity=0.0;
- Double_t mparam[7];
- Bool_t anglecorr=kTRUE;
+ Int_t nsteps=1;
+
+ // back before material (no correction)
+ 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;
+ // Bring the track beyond the material
+ if (!t->PropagateTo(xToGo,xOverX0,lengthTimesMeanDensity/xOverX0)) return 0;
break;
case 1:
- AliTracker::MeanMaterialBudget(oldGlobXYZ,globXYZ,mparam);
- if(mparam[1]>900000) return 0;
- xOverX0=mparam[1];
- lengthTimesMeanDensity=mparam[0]*mparam[4];
- anglecorr=kFALSE;
+ nsteps = (Int_t)(TMath::Abs(xOld-xToGo)/AliITSReconstructor::GetRecoParam()->GetStepSizeTGeo())+1;
+ if (!t->PropagateToTGeo(xToGo,nsteps)) return 0; // cross the material and apply correction
break;
case 2:
if(fxOverX0Layer[layerindex]<0) BuildMaterialLUT("Layers");
xOverX0 = fxOverX0Layer[layerindex];
lengthTimesMeanDensity = fxTimesRhoLayer[layerindex];
+ lengthTimesMeanDensity *= dir;
+ // Bring the track beyond the material
+ 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) {
- AliTracker::MeanMaterialBudget(oldGlobXYZ,globXYZ,mparam);
- if(mparam[1]>900000) return 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()*t->GetSnp()));
- xOverX0=mparam[1]/angle;
- lengthTimesMeanDensity=mparam[0]*mparam[4]/angle;
- fxOverX0LayerTrks[index] = TMath::Abs(xOverX0);
- fxTimesRhoLayerTrks[index] = TMath::Abs(lengthTimesMeanDensity);
+ ((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;
}
- lengthTimesMeanDensity *= dir;
-
- if (!t->CorrectForMeanMaterial(xOverX0,lengthTimesMeanDensity,anglecorr)) return 0;
return 1;
}
return;
}
//------------------------------------------------------------------------
-Int_t AliITStrackerMI::CheckSkipLayer(AliITStrackMI *track,
+void AliITStrackerMI::SetForceSkippingOfLayer() {
+ //-----------------------------------------------------------------
+ // Check if we are forced to skip layers
+ // either we set to skip them in RecoParam
+ // or they were off during data-taking
+ //-----------------------------------------------------------------
+
+ const AliEventInfo *eventInfo = GetEventInfo();
+
+ for(Int_t l=0; l<AliITSgeomTGeo::kNLayers; l++) {
+ fForceSkippingOfLayer[l] = 0;
+ // check reco param
+ if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(l)) fForceSkippingOfLayer[l] = 1;
+ // check run info
+
+ if(eventInfo) {
+ 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 {
//-----------------------------------------------------------------
// This method is used to decide whether to allow a prolongation
// return 2: track outside z acceptance of SSD/SDD and will cross both SPD
//-----------------------------------------------------------------
- if (AliITSReconstructor::GetRecoParam()->GetLayersToSkip(ilayer)) return 1;
+ if (ForceSkippingOfLayer(ilayer)) return 1;
if (idet<0 && ilayer>1 && AliITSReconstructor::GetRecoParam()->GetExtendedEtaAcceptance()) {
// check if track will cross SPD outer layer
return 0;
}
//------------------------------------------------------------------------
-Int_t AliITStrackerMI::CheckDeadZone(/*AliITStrackMI *track,*/
+Int_t AliITStrackerMI::CheckDeadZone(AliITStrackMI *track,
Int_t ilayer,Int_t idet,
- Double_t zmin,Double_t zmax/*,Double_t ymin,Double_t ymax*/) const {
+ Double_t dz,Double_t dy,
+ Bool_t noClusters) const {
//-----------------------------------------------------------------
// This method is used to decide whether to allow a prolongation
// without clusters, because there is a dead zone in the road.
// In this case the return value is > 0:
// return 1: dead zone at z=0,+-7cm in SPD
- // return 2: dead area from the OCDB // NOT YET IMPLEMENTED
+ // return 2: all road is "bad" (dead or noisy) from the OCDB
+ // return 3: at least a chip is "bad" (dead or noisy) from the OCDB
+ // return 4: at least a single channel is "bad" (dead or noisy) from the OCDB
//-----------------------------------------------------------------
// check dead zones at z=0,+-7cm in the SPD
fSPDdetzcentre[2] - 0.5*AliITSRecoParam::GetSPDdetzlength(),
fSPDdetzcentre[3] - 0.5*AliITSRecoParam::GetSPDdetzlength()};
for (Int_t i=0; i<3; i++)
- if (zmin<zmaxdead[i] && zmax>zmindead[i]) return 1;
+ if (track->GetZ()-dz<zmaxdead[i] && track->GetZ()+dz>zmindead[i]) {
+ AliDebug(2,Form("crack SPD %d",ilayer));
+ return 1;
+ }
}
- // check dead zones from OCDB
- if (!AliITSReconstructor::GetRecoParam()->GetUseDeadZonesFromOCDB()) return 0;
+ // check bad zones from OCDB
+ if (!AliITSReconstructor::GetRecoParam()->GetUseBadZonesFromOCDB()) return 0;
- if(idet<0) return 0;
+ if (idet<0) return 0;
- // look in OCDB (only entire dead modules for the moment)
- if (ilayer==0 || ilayer==1) { // SPD
- AliCDBEntry* cdbEntry = AliCDBManager::Instance()->Get("ITS/Calib/SPDDead");
- if (!cdbEntry) {
- Error("CheckDeadZone","Cannot get CDB entry for SPD\n");
- return 0;
- }
- TObjArray* spdEntry = (TObjArray*)cdbEntry->GetObject();
- if (!spdEntry) {
- Error("CheckDeadZone","Cannot get CDB entry for SPD\n");
- return 0;
- }
- if(ilayer==1) idet += AliITSgeomTGeo::GetNLadders(1)*AliITSgeomTGeo::GetNDetectors(1);
- //printf("SPD det: %d\n",idet);
- AliITSCalibrationSPD *calibSPD = (AliITSCalibrationSPD*)spdEntry->At(idet);
- if (calibSPD->IsBad()) return 2;
- } else if (ilayer==2 || ilayer==3) { // SDD
- AliCDBEntry* cdbEntry = AliCDBManager::Instance()->Get("ITS/Calib/CalibSDD");
- if (!cdbEntry) {
- Error("CheckDeadZone","Cannot get CDB entry for SDD\n");
- 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) { // ---------- SPD
+ detType = 0;
+ } else if (ilayer==2 || ilayer==3) { // ---------- SDD
+ detType = 1;
+ detSizeFactorX *= 2.;
+ } else if (ilayer==4 || ilayer==5) { // ---------- SSD
+ detType = 2;
+ }
+ AliITSsegmentation *segm = (AliITSsegmentation*)fkDetTypeRec->GetSegmentationModel(detType);
+ if (detType==2) segm->SetLayer(ilayer+1);
+ Float_t detSizeX = detSizeFactorX*segm->Dx();
+ Float_t detSizeZ = detSizeFactorZ*segm->Dz();
+
+ // check if the road overlaps with bad chips
+ Float_t xloc,zloc;
+ LocalModuleCoord(ilayer,idet,track,xloc,zloc);
+ Float_t zlocmin = zloc-dz;
+ Float_t zlocmax = zloc+dz;
+ Float_t xlocmin = xloc-dy;
+ Float_t xlocmax = xloc+dy;
+ Int_t chipsInRoad[100];
+
+ // check if road goes out of detector
+ Bool_t touchNeighbourDet=kFALSE;
+ if (TMath::Abs(xlocmin)>0.5*detSizeX) {xlocmin=-0.5*detSizeX; touchNeighbourDet=kTRUE;}
+ if (TMath::Abs(xlocmax)>0.5*detSizeX) {xlocmax=+0.5*detSizeX; touchNeighbourDet=kTRUE;}
+ if (TMath::Abs(zlocmin)>0.5*detSizeZ) {zlocmin=-0.5*detSizeZ; touchNeighbourDet=kTRUE;}
+ if (TMath::Abs(zlocmax)>0.5*detSizeZ) {zlocmax=+0.5*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));
+
+ // check if this detector is bad
+ if (det.IsBad()) {
+ AliDebug(2,Form("lay %d bad detector %d",ilayer,idet));
+ if(!touchNeighbourDet) {
+ return 2; // all detectors in road are bad
+ } else {
+ return 3; // at least one is bad
}
- TObjArray* sddEntry = (TObjArray*)cdbEntry->GetObject();
- if (!sddEntry) {
- Error("CheckDeadZone","Cannot get CDB entry for SDD\n");
- 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; // all chips in road are bad
+ } else {
+ return 3; // at least a bad chip in road
}
- if(ilayer==3) idet += AliITSgeomTGeo::GetNLadders(3)*AliITSgeomTGeo::GetNDetectors(3);
- //printf("SDD det: %d\n",idet);
- AliITSCalibrationSDD *calibSDD = (AliITSCalibrationSDD*)sddEntry->At(idet);
- if (calibSDD->IsBad()) return 2;
- } else if (ilayer==4 || ilayer==5) { // SSD
- } else {
- Error("CheckDeadZone","Wrong layer number\n");
- if(ilayer==5) idet += AliITSgeomTGeo::GetNLadders(5)*AliITSgeomTGeo::GetNDetectors(5);
- return 0;
}
+ if (anyBad) {
+ AliDebug(2,"at least a bad in road");
+ return 3; // at least a bad chip in road
+ }
+
+
+ if (!AliITSReconstructor::GetRecoParam()->GetUseSingleBadChannelsFromOCDB()
+ || !noClusters) return 0;
+
+ // There are no clusters in road: check if there is at least
+ // a bad SPD pixel or SDD anode or SSD strips on both sides
+
+ 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;
+ }
+ //if (fITSChannelStatus->FractionOfBadInRoad(idet,zlocmin,zlocmax,xlocmin,xlocmax) > AliITSReconstructor::GetRecoParam()->GetMinFractionOfBadInRoad()) return 3;
+
return 0;
}
//------------------------------------------------------------------------
Bool_t AliITStrackerMI::LocalModuleCoord(Int_t ilayer,Int_t idet,
- AliITStrackMI *track,
+ const AliITStrackMI *track,
Float_t &xloc,Float_t &zloc) const {
//-----------------------------------------------------------------
// Gives position of track in local module ref. frame
Double_t xyzGlob[3],xyzLoc[3];
- track->GetXYZ(xyzGlob);
+ AliITSdetector &detector = fgLayers[ilayer].GetDetector(idet);
+ // take into account the misalignment: xyz at real detector plane
+ if(!track->GetXYZAt(detector.GetRmisal(),GetBz(),xyzGlob)) return kFALSE;
- AliITSgeomTGeo::GlobalToLocal(ilayer+1,lad,det,xyzGlob,xyzLoc);
+ 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(AliITStrackMI* track, Int_t ilayer) const {
-// Method still to be implemented:
+Bool_t AliITStrackerMI::IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const {
+//
+// Method to be optimized further:
+// Aim: decide whether a track can be used for PlaneEff evaluation
+// the decision is taken based on the track quality at the layer under study
+// no information on the clusters on this layer has to be used
+// The criterium is to reject tracks at boundaries between basic block (e.g. SPD chip)
+// the cut is done on number of sigmas from the boundaries
+//
+// Input: Actual track, layer [0,5] under study
+// Output: none
+// Return: kTRUE if this is a good track
//
// it will apply a pre-selection to obtain good quality tracks.
// Here also you will have the possibility to put a control on the
// this will be done by calling a proper method of the AliITSPlaneEff class.
//
// input: AliITStrackMI* track, ilayer= layer number [0,5]
-// output: Bool_t -> kTRUE 2f usable track, kFALSE if not usable.
- if(!fPlaneEff)
+// return: Bool_t -> kTRUE if usable track, kFALSE if not usable.
+//
+ 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();
- //AliITStrackV2 tmp(*track);
AliITStrackMI tmp(*track);
+// require a minimal number of cluster in other layers and eventually clusters in closest layers
+ Int_t ncl=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 (tmp.GetClIndex(lay)>=0) ncl++;
+ }
+ Bool_t nextout = kFALSE;
+ if(ilayer==AliITSgeomTGeo::kNLayers-1) nextout=kTRUE; // you are already on the outermost layer
+ else nextout = ((tmp.GetClIndex(ilayer+1)>=0)? kTRUE : kFALSE );
+ Bool_t nextin = kFALSE;
+ if(ilayer==0) nextin=kTRUE; // you are already on the innermost layer
+ else nextin = ((index[ilayer-1]>=0)? kTRUE : kFALSE );
+ if(ncl<AliITSgeomTGeo::kNLayers-(ilayer+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;
+ // if(AliITSReconstructor::GetRecoParam()->GetOnlyConstraintPlaneEff() && !tmp.GetConstrain()) return kFALSE;
+
// detector number
Double_t phi,z;
if (!tmp.GetPhiZat(r,phi,z)) return kFALSE;
Float_t locx; //
Float_t locz; //
- LocalModuleCoord(ilayer,idet,&tmp,locx,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;
- // transform Local boundaries of the basic block into
- // Global (i.e. ALICE, not tracking reference) coordinate
- //
- Double_t a1[3]={blockXmn,0.,blockZmn};
- Double_t a2[3]={blockXmx,0.,blockZmn};
- Double_t a3[3]={blockXmn,0.,blockZmx};
- Int_t ndet=AliITSgeomTGeo::GetNDetectors(ilayer+1); // layers from 1 to 6
- Int_t lad = Int_t(idet/ndet) + 1;
- Int_t hdet = idet - (lad-1)*ndet + 1;
- Double_t xyzGlob[3];
- AliITSgeomTGeo::LocalToGlobal(ilayer+1,lad,hdet,a1,a1);
- AliITSgeomTGeo::LocalToGlobal(ilayer+1,lad,hdet,a2,a2);
- AliITSgeomTGeo::LocalToGlobal(ilayer+1,lad,hdet,a3,a3);
- Double_t gBlockYmn,gBlockYmx,gBlockZmn,gBlockZmx;
- if(a1[1]>a2[1]) {gBlockYmn=a2[1]; gBlockYmx=a1[1];}
- else {gBlockYmn=a1[1]; gBlockYmx=a2[1];}
- if(a2[2]>a3[2]) {gBlockZmn=a3[2]; gBlockZmx=a2[2];}
- else {gBlockZmn=a2[2]; gBlockZmx=a3[2];}
- AliDebug(2,Form("Boundaries in Global system Ymin=%f, Ymax=%f, Zmin=%f, Zmax=%f",
- gBlockYmn,gBlockYmx,gBlockZmn,gBlockZmx));
-
//***************
- // DEFINITION OF SEARCH ROAD FOR accepting a track
+ // DEFINITION OF SEARCH ROAD FOR accepting a track
//
//For the time being they are hard-wired, later on from AliITSRecoParam
- Double_t dz=4.*TMath::Sqrt(tmp.GetSigmaZ2()); // those are precisions in the tracking reference system
- Double_t dy=4.*TMath::Sqrt(tmp.GetSigmaY2()); // dy needs to be reduced (it is max now) if you do
- // comparison in Global Reference system
- Float_t gdz=dz;
- Float_t gdy=dy*TMath::Abs(TMath::Cos(tmp.GetAlpha()));
-
- // exclude tracks at boundary between detectors
- //Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidth();
+ // Double_t nsigx=AliITSRecoParam::GetNSigXFarFromBoundary();
+ // Double_t nsigz=AliITSRecoParam::GetNSigZFarFromBoundary();
+ Double_t nsigz=4;
+ Double_t nsigx=4;
+ Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system
+ Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is
+ // done for RecPoints
+
+ // exclude tracks at boundary between detectors
+ //Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidthPlaneEff();
Double_t boundaryWidth=0; // for the time being hard-wired, later on from AliITSRecoParam
AliDebug(2,Form("Tracking: track impact x=%f, y=%f, z=%f",tmp.GetX(), tmp.GetY(), tmp.GetZ()));
- tmp.GetXYZ(xyzGlob);
- AliDebug(2,Form("Global: track impact x=%f, y=%f, z=%f",xyzGlob[0],xyzGlob[1],xyzGlob[2]));
- //AliInfo(Form("TEST GLOBAL track y = %f, z=%f",tmp.GetY(),tmp.GetZ()));
- AliDebug(2,Form("Search Road. Tracking: dy=%f , dz=%f",dy,dz));
- AliDebug(2,Form("Search Road. Global: Gdy=%f , Gdz=%f",gdy,gdz));
- if ( (xyzGlob[1]-gdy < gBlockYmn+boundaryWidth) ||
- (xyzGlob[1]+gdy > gBlockYmx-boundaryWidth) ||
- (xyzGlob[2]-gdz < gBlockZmn+boundaryWidth) ||
- (xyzGlob[2]+gdz > gBlockZmx-boundaryWidth) ) return kFALSE;
+ AliDebug(2,Form("Local: track impact x=%f, z=%f",locx,locz));
+ AliDebug(2,Form("Search Road. Tracking: dy=%f , dz=%f",dx,dz));
+ if ( (locx-dx < blockXmn+boundaryWidth) ||
+ (locx+dx > blockXmx-boundaryWidth) ||
+ (locz-dz < blockZmn+boundaryWidth) ||
+ (locz+dz > blockZmx-boundaryWidth) ) return kFALSE;
return kTRUE;
}
//------------------------------------------------------------------------
-void AliITStrackerMI::UseTrackForPlaneEff(AliITStrackMI* track, Int_t ilayer) {
+void AliITStrackerMI::UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer) {
//
// This Method has to be optimized! For the time-being it uses the same criteria
// as those used in the search of extra clusters for overlapping modules.
{AliWarning("UseTrackForPlaneEff: null pointer to AliITSPlaneEff"); return;}
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
- //AliITStrackV2 tmp(*track);
AliITStrackMI tmp(*track);
// detector number
if(idet<0) { AliInfo(Form("cannot find detector"));
return;}
- //Double_t trackGlobXYZ1[3];
- //tmp.GetXYZ(trackGlobXYZ1);
//propagate to the intersection with the detector plane
const AliITSdetector &det=layer.GetDetector(idet);
if (!tmp.Propagate(det.GetPhi(),det.GetR())) return;
- //Float_t xloc,zloc;
//***************
// DEFINITION OF SEARCH ROAD FOR CLUSTERS SELECTION
}*/
Float_t locx; //
Float_t locz; //
- LocalModuleCoord(ilayer,idet,&tmp,locx,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);
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};
- Int_t ndet=AliITSgeomTGeo::GetNDetectors(ilayer+1); // layers from 1 to 6
- Int_t lad = Int_t(idet/ndet) + 1;
- Int_t hdet = idet - (lad-1)*ndet + 1;
- Double_t xyzGlob[3],xyzLoc[3],cv[21],exyzLoc[3],exyzGlob[3];
- if(tmp.GetXYZ(xyzGlob)) {
- if (AliITSgeomTGeo::GlobalToLocal(ilayer+1,lad,hdet,xyzGlob,xyzLoc)) {
- tr[0]=xyzLoc[0];
- tr[1]=xyzLoc[2];
- }
- }
- if(tmp.GetCovarianceXYZPxPyPz(cv)) {
- exyzGlob[0]=TMath::Sqrt(cv[0]);
- exyzGlob[1]=TMath::Sqrt(cv[2]);
- exyzGlob[2]=TMath::Sqrt(cv[5]);
- if (AliITSgeomTGeo::GlobalToLocalVect(AliITSgeomTGeo::GetModuleIndex(ilayer+1,lad,hdet),exyzGlob,exyzLoc)) {
- tr[2]=TMath::Abs(exyzLoc[0]);
- tr[3]=TMath::Abs(exyzLoc[2]);
- }
- }
+
+ tr[0]=locx;
+ tr[1]=locz;
+ tr[2]=TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system
+ tr[3]=TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is
+
if (found){
clu[0]=layer.GetCluster(ci)->GetDetLocalX();
clu[1]=layer.GetCluster(ci)->GetDetLocalZ();
AliCluster c(*layer.GetCluster(ci));
c.SetSigmaY2(tmp.GetSigmaY(ilayer)*tmp.GetSigmaY(ilayer));
c.SetSigmaZ2(tmp.GetSigmaZ(ilayer)*tmp.GetSigmaZ(ilayer));
- Float_t cov[6];
//if (layer.GetCluster(ci)->GetGlobalCov(cov)) // by using this, instead, you got nominal cluster errors
- if (c.GetGlobalCov(cov))
- {
- exyzGlob[0]=TMath::Sqrt(cov[0]);
- exyzGlob[1]=TMath::Sqrt(cov[3]);
- exyzGlob[2]=TMath::Sqrt(cov[5]);
- if (AliITSgeomTGeo::GlobalToLocalVect(AliITSgeomTGeo::GetModuleIndex(ilayer+1,lad,hdet),exyzGlob,exyzLoc)) {
- clu[2]=TMath::Abs(exyzLoc[0]);
- clu[3]=TMath::Abs(exyzLoc[2]);
- }
- }
+ clu[2]=TMath::Sqrt(c.GetSigmaY2());
+ clu[3]=TMath::Sqrt(c.GetSigmaZ2());
//}
}
fPlaneEff->FillHistos(key,found,tr,clu,cltype);
}
return;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff