//-----------------------------------------------------------------
// Implementation of the TPC track class
-// This class is used by the AliTPCtracker class
+// This class is used by the AliTPCtrackerMI class
// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
//-----------------------------------------------------------------
#include "AliTracker.h"
#include "AliESDtrack.h"
#include "AliESDVertex.h"
-
+#include "TTreeStream.h"
+#include "AliTPCRecoParam.h"
+#include "AliTPCReconstructor.h"
ClassImp(AliTPCtrack)
//_________________________________________________________________________
}
//_____________________________________________________________________________
-AliTPCtrack::AliTPCtrack(const AliESDtrack& t) :
+AliTPCtrack::AliTPCtrack(const AliESDtrack& t, TTreeSRedirector *pcstream) :
AliKalmanTrack(),
fdEdx(t.GetTPCsignal()),
fSdEdx(1e10),
//-----------------------------------------------------------------
// Conversion AliESDtrack -> AliTPCtrack.
//-----------------------------------------------------------------
+ const Double_t kmaxC[4]={10,10,0.1,0.1}; // cuts on the rms /fP0,fP1,fP2,fP3
SetNumberOfClusters(t.GetTPCclusters(fIndex));
SetLabel(t.GetLabel());
SetMass(t.GetMass());
for (Int_t i=0; i<12;i++) fKinkPoint[i]=0.;
for (Int_t i=0; i<3;i++) fKinkIndexes[i]=0;
for (Int_t i=0; i<3;i++) fV0Indexes[i]=0;
+ //
+ // choose parameters to start
+ //
+ const AliTPCRecoParam * recoParam = AliTPCReconstructor::GetRecoParam();
+ Int_t reject=0;
+ AliExternalTrackParam param(t);
+
+ const AliExternalTrackParam *tpcout=(t.GetFriendTrack())? ((AliESDfriendTrack*)(t.GetFriendTrack()))->GetTPCOut():0;
+ const AliExternalTrackParam *tpcin = t.GetInnerParam();
+ const AliExternalTrackParam *tpc=(tpcout)?tpcout:tpcin;
+ if (!tpc) tpc=¶m;
+ Bool_t isOK=recoParam->GetUseOuterDetectors();
+ if (param.GetCovariance()[0]>kmaxC[0]*kmaxC[0]) isOK=kFALSE;
+ if (param.GetCovariance()[2]>kmaxC[1]*kmaxC[1]) isOK=kFALSE;
+ if (param.GetCovariance()[5]>kmaxC[2]*kmaxC[2]) isOK=kFALSE;
+ if (param.GetCovariance()[9]>kmaxC[3]*kmaxC[3]) isOK=kFALSE;
+ param.Rotate(tpc->GetAlpha());
+ Double_t oldX=param.GetX(), oldY=param.GetY(), oldZ=param.GetZ();
+ if (!isOK ){
+ param=*tpc;
+ isOK=kTRUE;
+ reject=1;
+ }
+ isOK=AliTracker::PropagateTrackToBxByBz(¶m,tpc->GetX(),t.GetMass(),2.,kFALSE);
+ if (param.GetCovariance()[0]>kmaxC[0]*kmaxC[0]) isOK=kFALSE;
+ if (param.GetCovariance()[2]>kmaxC[1]*kmaxC[1]) isOK=kFALSE;
+ if (param.GetCovariance()[5]>kmaxC[2]*kmaxC[2]) isOK=kFALSE;
+ if (param.GetCovariance()[9]>kmaxC[3]*kmaxC[3]) isOK=kFALSE;
+ if (!isOK){
+ param=*tpc;
+ isOK=kTRUE;
+ reject=2;
+ }
+ if (reject>0){
+ param.ResetCovariance(4.); // reset covariance if start from backup param
+ }
+ //
+ //
+ if (pcstream){
+ AliExternalTrackParam dummy;
+ AliExternalTrackParam *ptpc=(AliExternalTrackParam *)tpc;
+ // if (!ptpc) ptpc=&dummy;
+ AliESDtrack *esd= (AliESDtrack *)&t;
+ (*pcstream)<<"trackP"<<
+ "reject="<<reject<< // flag - rejection of current esd track parameters
+ "esd.="<<esd<< // original esd track
+ "tr.="<<¶m<< // starting track parameters
+ "out.="<<ptpc<< // backup tpc parameters
+ "\n";
+ }
- Set(t.GetX(),t.GetAlpha(),t.GetParameter(),t.GetCovariance());
+ Set(param.GetX(),param.GetAlpha(),param.GetParameter(),param.GetCovariance());
if ((t.GetStatus()&AliESDtrack::kTIME) == 0) return;
StartTimeIntegral();
Double_t times[10]; t.GetIntegratedTimes(times); SetIntegratedTimes(times);
SetIntegratedLength(t.GetIntegratedLength());
+
+ if (GetX()>oldX) {
+ Double_t dX=GetX()-oldX, dY=GetY()-oldY, dZ=GetZ()-oldZ;
+ Double_t d=TMath::Sqrt(dX*dX + dY*dY + dZ*dZ);
+ AddTimeStep(d);
+ }
}
//_____________________________________________________________________________
}
Double_t oldX=GetX(), oldY=GetY(), oldZ=GetZ();
-
- if (!AliExternalTrackParam::PropagateTo(xk,bz)) return kFALSE;
+ //if (!AliExternalTrackParam::PropagateTo(xk,bz)) return kFALSE;
+ Double_t b[3]; GetBxByBz(b);
+ if (!AliExternalTrackParam::PropagateToBxByBz(xk,b)) return kFALSE;
Double_t d = TMath::Sqrt((GetX()-oldX)*(GetX()-oldX) +
(GetY()-oldY)*(GetY()-oldY) +
//-----------------------------------------------------------------
Double_t oldX=GetX(), oldY=GetY(), oldZ=GetZ();
- Double_t bz=GetBz();
- if (!PropagateToDCA(v,bz,kVeryBig)) return kFALSE;
+ //Double_t bz=GetBz();
+ //if (!PropagateToDCA(v,bz,kVeryBig)) return kFALSE;
+ Double_t b[3]; GetBxByBz(b);
+ if (!PropagateToDCABxByBz(v,b,kVeryBig)) return kFALSE;
Double_t d = TMath::Sqrt((GetX()-oldX)*(GetX()-oldX) +
(GetY()-oldY)*(GetY()-oldY) +