#include "AliLog.h"
#include "AliStrLine.h"
#include "AliExternalTrackParam.h"
+#include "AliNeutralTrackParam.h"
+#include "AliVEvent.h"
+#include "AliVTrack.h"
#include "AliESDEvent.h"
#include "AliESDtrack.h"
#include "AliVertexerTracks.h"
fFiducialR(3.),
fFiducialZ(30.),
fnSigmaForUi00(1.5),
-fAlgo(1)
+fAlgo(1),
+fAlgoIter0(4)
{
//
// Default constructor
fFiducialR(3.),
fFiducialZ(30.),
fnSigmaForUi00(1.5),
-fAlgo(1)
+fAlgo(1),
+fAlgoIter0(4)
{
//
// Standard constructor
//
SetVtxStart();
SetVtxStartSigma();
- SetTPCMode();
}
//-----------------------------------------------------------------------------
AliVertexerTracks::~AliVertexerTracks()
if(fIdSel) { delete [] fIdSel; fIdSel=NULL; }
}
//----------------------------------------------------------------------------
-AliESDVertex* AliVertexerTracks::FindPrimaryVertex(const AliESDEvent *esdEvent)
+AliESDVertex* AliVertexerTracks::FindPrimaryVertex(const AliVEvent *vEvent)
{
//
-// Primary vertex for current ESD event
+// Primary vertex for current ESD or AOD event
// (Two iterations:
// 1st with 5*fNSigma*sigma cut w.r.t. to initial vertex
// + cut on sqrt(d0d0+z0z0) if fConstraint=kFALSE
//
fCurrentVertex = 0;
+ TString evtype = vEvent->IsA()->GetName();
+ Bool_t inputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+
+ if(inputAOD && fMode==1) {
+ printf("Error : AliVertexerTracks: no TPC-only vertex from AOD\n");
+ TooFewTracks();
+ return fCurrentVertex;
+ }
+
// accept 1-track case only if constraint is available
if(!fConstraint && fMinTracks==1) fMinTracks=2;
- // read tracks from ESD
- Int_t nTrks = (Int_t)esdEvent->GetNumberOfTracks();
+ // read tracks from AlivEvent
+ Int_t nTrks = (Int_t)vEvent->GetNumberOfTracks();
if(nTrks<fMinTracks) {
TooFewTracks();
return fCurrentVertex;
Int_t nTrksOrig=0;
AliExternalTrackParam *t=0;
- // loop on ESD tracks
+ // loop on tracks
for(Int_t i=0; i<nTrks; i++) {
- AliESDtrack *esdt = esdEvent->GetTrack(i);
+ AliVTrack *track = (AliVTrack*)vEvent->GetTrack(i);
// check tracks to skip
Bool_t skipThis = kFALSE;
for(Int_t j=0; j<fNTrksToSkip; j++) {
- if(esdt->GetID()==fTrksToSkip[j]) {
+ if(track->GetID()==fTrksToSkip[j]) {
AliDebug(1,Form("skipping track: %d",i));
skipThis = kTRUE;
}
}
if(skipThis) continue;
- // check number of clusters in ITS or TPC
- if(esdt->GetNcls(fMode) < fMinClusters) continue;
-
- if(fMode==0) { // ITS mode
- if(fITSrefit && !(esdt->GetStatus()&AliESDtrack::kITSrefit)) continue;
- Double_t x,p[5],cov[15];
- esdt->GetExternalParameters(x,p);
- esdt->GetExternalCovariance(cov);
- t = new AliExternalTrackParam(x,esdt->GetAlpha(),p,cov);
- } else if(fMode==1) { // TPC mode
- t = (AliExternalTrackParam*)esdt->GetTPCInnerParam();
- if(!t) continue;
- Double_t radius = 2.8; //something less than the beam pipe radius
- if(!PropagateTrackTo(t,radius)) continue;
+ if(!inputAOD) { // ESD
+ AliESDtrack* esdt = (AliESDtrack*)track;
+ if(esdt->GetNcls(fMode) < fMinClusters) continue;
+ if(fMode==0) { // ITS mode
+ if(fITSrefit && !(esdt->GetStatus()&AliESDtrack::kITSrefit)) continue;
+ Double_t x,p[5],cov[15];
+ esdt->GetExternalParameters(x,p);
+ esdt->GetExternalCovariance(cov);
+ t = new AliExternalTrackParam(x,esdt->GetAlpha(),p,cov);
+ } else if(fMode==1) { // TPC mode
+ t = (AliExternalTrackParam*)esdt->GetTPCInnerParam();
+ if(!t) continue;
+ Double_t radius = 2.8; //something less than the beam pipe radius
+ if(!PropagateTrackTo(t,radius)) continue;
+ }
+ } else { // AOD (only ITS mode)
+ Int_t ncls0=0;
+ for(Int_t l=0;l<6;l++) if(TESTBIT(track->GetITSClusterMap(),l)) ncls0++;
+ if(ncls0 < fMinClusters) continue;
+ t = new AliExternalTrackParam(track);
}
trkArrayOrig.AddLast(t);
- idOrig[nTrksOrig]=(UShort_t)esdt->GetID();
+ idOrig[nTrksOrig]=(UShort_t)track->GetID();
nTrksOrig++;
- } // end loop on ESD tracks
+ } // end loop on tracks
// call method that will reconstruct the vertex
FindPrimaryVertex(&trkArrayOrig,idOrig);
if(fIdSel) { delete [] fIdSel; fIdSel=NULL; }
Double_t cutsave = fDCAcut;
fDCAcut = fDCAcutIter0;
- VertexFinder(1); // using weights, cutting dca < fDCAcutIter0
+ // vertex finder
+ switch (fAlgoIter0) {
+ case 1: StrLinVertexFinderMinDist(1); break;
+ case 2: StrLinVertexFinderMinDist(0); break;
+ case 3: HelixVertexFinder(); break;
+ case 4: VertexFinder(1); break;
+ case 5: VertexFinder(0); break;
+ default: printf("Wrong algorithm\n"); break;
+ }
fDCAcut = cutsave;
if(fVert.GetNContributors()>0) {
fVert.GetXYZ(fNominalPos);
// loop on tracks
for(Int_t i=0; i<nTrksOrig; i++) {
- track = new AliExternalTrackParam(*(AliExternalTrackParam*)trkArrayOrig.At(i));
+ AliExternalTrackParam *trackOrig=(AliExternalTrackParam*)trkArrayOrig.At(i);
+ if(trackOrig->Charge()!=0) { // normal tracks
+ track = new AliExternalTrackParam(*(AliExternalTrackParam*)trkArrayOrig.At(i));
+ } else { // neutral tracks (from a V0)
+ track = new AliNeutralTrackParam(*(AliNeutralTrackParam*)trkArrayOrig.At(i));
+ }
// tgl cut
if(TMath::Abs(track->GetTgl())>fMaxTgl) {
AliDebug(1,Form(" rejecting track with tgl = %f",track->GetTgl()));
//
Double_t ca=TMath::Cos(alphan-track->GetAlpha()),
sa=TMath::Sin(alphan-track->GetAlpha());
- Double_t sf=track->GetSnp(), cf=TMath::Sqrt(1.- sf*sf);
+ Double_t sf=track->GetSnp(), cf=TMath::Sqrt((1.-sf)*(1.+sf));
Double_t sinNew = sf*ca - cf*sa;
if(TMath::Abs(sinNew) >= maxSnp) return kFALSE;
if(!track->Rotate(alphan)) return kFALSE;
SetMinDetFitter(cuts[6]);
SetMaxTgl(cuts[7]);
SetFiducialRZ(cuts[8],cuts[9]);
+ fAlgo=(Int_t)(cuts[10]);
+ fAlgoIter0=(Int_t)(cuts[11]);
return;
}
Double_t mindetfitter,
Double_t maxtgl,
Double_t fidR,
- Double_t fidZ)
+ Double_t fidZ,
+ Int_t finderAlgo,
+ Int_t finderAlgoIter0)
{
//
// Cut values for ITS mode
SetMinDetFitter(mindetfitter);
SetMaxTgl(maxtgl);
SetFiducialRZ(fidR,fidZ);
+ fAlgo=finderAlgo;
+ fAlgoIter0=finderAlgoIter0;
return;
}
Double_t mindetfitter,
Double_t maxtgl,
Double_t fidR,
- Double_t fidZ)
+ Double_t fidZ,
+ Int_t finderAlgo,
+ Int_t finderAlgoIter0)
{
//
// Cut values for TPC mode
SetMinDetFitter(mindetfitter);
SetMaxTgl(maxtgl);
SetFiducialRZ(fidR,fidZ);
+ fAlgo=finderAlgo;
+ fAlgoIter0=finderAlgoIter0;
return;
}
sigmasq[2]=track1->GetSigmaZ2();
TMatrixD ri(3,1);
TMatrixD wWi(3,3);
- if(!TrackToPoint(track1,ri,wWi)) continue;
+ //if(!TrackToPoint(track1,ri,wWi)) {printf("WARNING\n");continue;}
+ if(!TrackToPoint(track1,ri,wWi)) {optUseWeights=kFALSE;printf("WARNING\n");}
Double_t wmat[9];
Int_t iel=0;
for(Int_t ia=0;ia<3;ia++){
iel++;
}
}
- new(linarray[i]) AliStrLine(pos,sigmasq,wmat,dir);
+ new(linarray[i]) AliStrLine(pos,sigmasq,wmat,dir);
}
fVert=TrackletVertexFinder(&linarray,optUseWeights);
linarray.Clear("C");
AliESDVertex AliVertexerTracks::TrackletVertexFinder(TClonesArray *lines, Int_t optUseWeights)
{
// Calculate the point at minimum distance to prepared tracks
-
const Int_t knacc = (Int_t)lines->GetEntriesFast();
Double_t initPos[3]={0.,0.,0.};
AliStrLine* line1 = (AliStrLine*)lines->At(i);
Double_t p0[3],cd[3],sigmasq[3];
Double_t wmat[9];
+ if(!line1) printf("ERROR %d %d\n",i,knacc);
line1->GetP0(p0);
line1->GetCd(cd);
line1->GetSigma2P0(sigmasq);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff