+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Time Projection Chamber //
-// Comparison macro for reconstructed tracks - ESDs V0s //
-// responsible:
-// marian.ivanov@cern.ch //
-//
-//
-
-
-
-
-
-#include <stdio.h>
-#include <string.h>
-//ROOT includes
-#include "Rtypes.h"
-//
-//ALIROOT includes
-//
-#include "AliESDtrack.h"
-#include "AliTPCParam.h"
-#include "AliTrackReference.h"
-#include "AliTPCParamSR.h"
-#include "AliESD.h"
-#include "AliESDfriend.h"
-#include "AliESDtrack.h"
-#include "AliTPCseed.h"
-#include "AliITStrackMI.h"
-#include "AliTRDtrack.h"
-#include "AliHelix.h"
-#include "AliESDVertex.h"
-#include "AliExternalTrackParam.h"
-#include "AliESDkink.h"
-#include "AliESDv0.h"
-#include "AliV0.h"
-//
-#include "AliTreeDraw.h"
-#include "AliGenInfo.h"
-#include "AliRecInfo.h"
-
-
-
-ClassImp(AliESDRecInfo)
-ClassImp(AliESDRecV0Info)
-ClassImp(AliESDRecKinkInfo)
-
-
-
-
-AliTPCParam * GetTPCParam(){
- AliTPCParamSR * par = new AliTPCParamSR;
- par->Update();
- return par;
-}
-
-
-
-
-AliESDRecInfo::AliESDRecInfo():
- fITSOn(0), // ITS refitted inward
- fTRDOn(0), // ITS refitted inward
- fDeltaP(0), //delta of momenta
- fSign(0), // sign
- fReconstructed(0), //flag if track was reconstructed
- fFake(0), // fake track
- fMultiple(0), // number of reconstructions
- fTPCOn(0), // TPC refitted inward
- fBestTOFmatch(0), //best matching between times
- fESDtrack(0), // esd track
- fTrackF(0), // friend track
- fTPCtrack(0), // tpc track
- fITStrack(0), // its track
- fTRDtrack(0) // trd track
-{
- //
- // default constructor
- //
-}
-
-
-AliESDRecInfo::AliESDRecInfo(const AliESDRecInfo& recinfo):
- TObject()
-{
- //
- //
- //
- memcpy(this,&recinfo, sizeof(recinfo));
- fESDtrack=0; fTrackF=0; fTPCtrack=0;fITStrack=0;fTRDtrack=0;
- SetESDtrack(recinfo.GetESDtrack());
-}
-
-
-AliESDRecInfo::~AliESDRecInfo()
-
-{
- //
- // destructor
- //
- if (fESDtrack) { delete fESDtrack; fESDtrack=0;}
- if (fTrackF) { delete fTrackF; fTrackF=0;}
- if (fTPCtrack) { delete fTPCtrack; fTPCtrack=0;}
- if (fITStrack) { delete fITStrack; fITStrack=0;}
- if (fTRDtrack) { delete fTRDtrack; fTRDtrack=0;}
-
-}
-
-
-
-void AliESDRecInfo::Reset()
-{
- //
- // reset info
- //
- fMultiple =0;
- fFake =0;
- fReconstructed=0;
- if (fESDtrack) { delete fESDtrack; fESDtrack=0;}
- if (fTrackF) { delete fTrackF; fTrackF=0;}
- if (fTPCtrack) { delete fTPCtrack; fTPCtrack=0;}
- if (fITStrack) { delete fITStrack; fITStrack=0;}
- if (fTRDtrack) { delete fTRDtrack; fTRDtrack=0;}
-}
-
-void AliESDRecInfo::SetESDtrack(const AliESDtrack *track){
- //
- //
- //
- if (fESDtrack) delete fESDtrack;
- fESDtrack = (AliESDtrack*)track->Clone();
- if (0 &&track->GetFriendTrack()){
- if (fTrackF) delete fTrackF;
- fTrackF = (AliESDfriendTrack*)track->GetFriendTrack()->Clone();
- if (fTrackF->GetCalibObject(0)){
- if (fTPCtrack) delete fTPCtrack;
- fTPCtrack = (AliTPCseed*)fTrackF->GetCalibObject(0)->Clone();
- }
- }
-
-}
-
-void AliESDRecInfo::UpdatePoints(AliESDtrack*track)
-{
- //
- //
- Int_t iclusters[200];
- Float_t density[160];
- for (Int_t i=0;i<160;i++) density[i]=-1.;
- fTPCPoints[0]= 160;
- fTPCPoints[1] = -1;
- //
- if (fTPCPoints[0]<fTPCPoints[1]) return;
- // Int_t nclusters=track->GetTPCclusters(iclusters);
-
- Int_t ngood=0;
- Int_t undeff=0;
- Int_t nall =0;
- Int_t range=20;
- for (Int_t i=0;i<160;i++){
- Int_t last = i-range;
- if (nall<range) nall++;
- if (last>=0){
- if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
- if (iclusters[last]==-1) undeff--;
- }
- if (iclusters[i]>0&& (iclusters[i]&0x8000)==0) ngood++;
- if (iclusters[i]==-1) undeff++;
- if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
- }
- Float_t maxdens=0;
- Int_t indexmax =0;
- for (Int_t i=0;i<160;i++){
- if (density[i]<0) continue;
- if (density[i]>maxdens){
- maxdens=density[i];
- indexmax=i;
- }
- }
- //
- //max dens point
- fTPCPoints[3] = maxdens;
- fTPCPoints[1] = indexmax;
- //
- // last point
- for (Int_t i=indexmax;i<160;i++){
- if (density[i]<0) continue;
- if (density[i]<maxdens/2.) {
- break;
- }
- fTPCPoints[2]=i;
- }
- //
- // first point
- for (Int_t i=indexmax;i>0;i--){
- if (density[i]<0) continue;
- if (density[i]<maxdens/2.) {
- break;
- }
- fTPCPoints[0]=i;
- }
- //
- // Density at the last 30 padrows
- //
- //
- nall = 0;
- ngood = 0;
- for (Int_t i=159;i>0;i--){
- if (iclusters[i]==-1) continue; //dead zone
- nall++;
- if (iclusters[i]>0) ngood++;
- if (nall>20) break;
- }
- fTPCPoints[4] = Float_t(ngood)/Float_t(nall);
- //
- if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
-
-
-}
-
-//
-//
-void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * /*par*/, Bool_t reconstructed)
-{
- //
- //
- //calculates derived variables
- //
- //
- UpdatePoints(fESDtrack);
- fBestTOFmatch=1000;
- AliTrackReference * ref = &(info->fTrackRef);
- fTPCinR0[0] = info->fTrackRef.X();
- fTPCinR0[1] = info->fTrackRef.Y();
- fTPCinR0[2] = info->fTrackRef.Z();
- fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
- fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
- //
- fTPCinP0[0] = ref->Px();
- fTPCinP0[1] = ref->Py();
- fTPCinP0[2] = ref->Pz();
- fTPCinP0[3] = ref->Pt();
- fTPCinP0[4] = ref->P();
- fDeltaP = (ref->P()-info->fParticle.P())/info->fParticle.P();
- //
- //
- if (fTPCinP0[3]>0.0000001){
- //
- fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
- fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
- }
- //
- //
- fITSinP0[0]=info->fParticle.Px();
- fITSinP0[1]=info->fParticle.Py();
- fITSinP0[2]=info->fParticle.Pz();
- fITSinP0[3]=info->fParticle.Pt();
- //
- fITSinR0[0]=info->fParticle.Vx();
- fITSinR0[1]=info->fParticle.Vy();
- fITSinR0[2]=info->fParticle.Vz();
- fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
- fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
- //
- //
- if (fITSinP0[3]>0.0000001){
- fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
- fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
- }
- //
- for (Int_t i=0;i<4;i++) fStatus[i] =0;
- fReconstructed = kFALSE;
- fTPCOn = kFALSE;
- fITSOn = kFALSE;
- fTRDOn = kFALSE;
- if (reconstructed==kFALSE) return;
-
- fLabels[0] = info->fLabel;
- fLabels[1] = info->fPrimPart;
- fReconstructed = kTRUE;
- fTPCOn = ((fESDtrack->GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
- fITSOn = ((fESDtrack->GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
- fTRDOn = ((fESDtrack->GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
- //
- //
- if ((fESDtrack->GetStatus()&AliESDtrack::kTPCrefit)>0){
- fStatus[1] =3;
- }
- else{
- if ((fESDtrack->GetStatus()&AliESDtrack::kTPCout)>0){
- fStatus[1] =2;
- }
- else{
- if ((fESDtrack->GetStatus()&AliESDtrack::kTPCin)>0)
- fStatus[1]=1;
- }
- }
- //
- if ((fESDtrack->GetStatus()&AliESDtrack::kITSout)>0){
- fStatus[0] =2;
- }
- else{
- if ((fESDtrack->GetStatus()&AliESDtrack::kITSrefit)>0){
- fStatus[0] =1;
- }
- else{
- fStatus[0]=0;
- }
- }
-
- //
- //
- if ((fESDtrack->GetStatus()&AliESDtrack::kTRDrefit)>0){
- fStatus[2] =2;
- }
- else{
- if ((fESDtrack->GetStatus()&AliESDtrack::kTRDout)>0){
- fStatus[2] =1;
- }
- }
- if ((fESDtrack->GetStatus()&AliESDtrack::kTRDStop)>0){
- fStatus[2] =10;
- }
-
- //
- //TOF
- //
- if (((fESDtrack->GetStatus()&AliESDtrack::kTOFout)>0)){
- //
- // best tof match
- Double_t times[5];
- fESDtrack->GetIntegratedTimes(times);
- for (Int_t i=0;i<5;i++){
- if ( TMath::Abs(fESDtrack->GetTOFsignal()-times[i]) <TMath::Abs(fBestTOFmatch) ){
- fBestTOFmatch = fESDtrack->GetTOFsignal()-times[i];
- }
- }
- Int_t toflabel[3];
- fESDtrack->GetTOFLabel(toflabel);
- Bool_t toffake=kTRUE;
- Bool_t tofdaughter=kFALSE;
- for (Int_t i=0;i<3;i++){
- if (toflabel[i]<0) continue;
- if (toflabel[i]== TMath::Abs(fESDtrack->GetLabel())) toffake=kFALSE;
- if (toflabel[i]==info->fParticle.GetDaughter(0) || (toflabel[i]==info->fParticle.GetDaughter(1))) tofdaughter=kTRUE; // decay product of original particle
- fStatus[3]=1;
- }
- if (toffake) fStatus[3] =3; //total fake
- if (tofdaughter) fStatus[3]=2; //fake because of decay
- }else{
- fStatus[3]=0;
- }
-
-
- if (fStatus[1]>0 &&info->fNTPCRef>0&&TMath::Abs(fTPCinP0[3])>0.0001){
- //TPC
- fESDtrack->GetInnerXYZ(fTPCinR1);
- fTPCinR1[3] = TMath::Sqrt(fTPCinR1[0]*fTPCinR1[0]+fTPCinR1[1]*fTPCinR1[1]);
- fTPCinR1[4] = TMath::ATan2(fTPCinR1[1],fTPCinR1[0]);
- fESDtrack->GetInnerPxPyPz(fTPCinP1);
- fTPCinP1[3] = TMath::Sqrt(fTPCinP1[0]*fTPCinP1[0]+fTPCinP1[1]*fTPCinP1[1]);
- fTPCinP1[4] = TMath::Sqrt(fTPCinP1[3]*fTPCinP1[3]+fTPCinP1[2]*fTPCinP1[2]);
- //
- //
- if (fTPCinP1[3]>0.000000000000001){
- fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
- fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);
- }
- Double_t cov[15], param[5],x, alpha;
- fESDtrack->GetInnerExternalCovariance(cov);
- fESDtrack->GetInnerExternalParameters(alpha, x,param);
- if (x<50) return ;
- //
- fTPCDelta[0] = (fTPCinR0[4]-fTPCinR1[4])*fTPCinR1[3]; //delta rfi
- fTPCPools[0] = fTPCDelta[0]/TMath::Sqrt(cov[0]);
- fTPCDelta[1] = (fTPCinR0[2]-fTPCinR1[2]); //delta z
- fTPCPools[1] = fTPCDelta[1]/TMath::Sqrt(cov[2]);
- fTPCDelta[2] = (fTPCAngle0[0]-fTPCAngle1[0]);
- fTPCPools[2] = fTPCDelta[2]/TMath::Sqrt(cov[5]);
- fTPCDelta[3] = (TMath::Tan(fTPCAngle0[1])-TMath::Tan(fTPCAngle1[1]));
- fTPCPools[3] = fTPCDelta[3]/TMath::Sqrt(cov[9]);
- fTPCDelta[4] = (fTPCinP0[3]-fTPCinP1[3]);
- Double_t sign = (param[4]>0)? 1.:-1;
- fSign =sign;
- fTPCPools[4] = sign*(1./fTPCinP0[3]-1./fTPCinP1[3])/TMath::Sqrt(TMath::Abs(cov[14]));
- }
- if (fITSOn){
- // ITS
- Double_t param[5],x;
- fESDtrack->GetExternalParameters(x,param);
- // fESDtrack->GetConstrainedExternalParameters(x,param);
- Double_t cov[15];
- fESDtrack->GetExternalCovariance(cov);
- //fESDtrack->GetConstrainedExternalCovariance(cov);
- if (TMath::Abs(param[4])<0.0000000001) return;
-
- fESDtrack->GetXYZ(fITSinR1);
- fESDtrack->GetPxPyPz(fITSinP1);
- fITSinP1[3] = TMath::Sqrt(fITSinP1[0]*fITSinP1[0]+fITSinP1[1]*fITSinP1[1]);
- //
- fITSinR1[3] = TMath::Sqrt(fITSinR1[0]*fITSinR1[0]+fITSinR1[1]*fITSinR1[1]);
- fITSinR1[4] = TMath::ATan2(fITSinR1[1],fITSinR1[0]);
- //
- //
- if (fITSinP1[3]>0.0000001){
- fITSAngle1[0] = TMath::ATan2(fITSinP1[1],fITSinP1[0]);
- fITSAngle1[1] = TMath::ATan(fITSinP1[2]/fITSinP1[3]);
- }
- //
- //
- fITSDelta[0] = (fITSinR0[4]-fITSinR1[4])*fITSinR1[3]; //delta rfi
- fITSPools[0] = fITSDelta[0]/TMath::Sqrt(cov[0]);
- fITSDelta[1] = (fITSinR0[2]-fITSinR1[2]); //delta z
- fITSPools[1] = fITSDelta[1]/TMath::Sqrt(cov[2]);
- fITSDelta[2] = (fITSAngle0[0]-fITSAngle1[0]);
- fITSPools[2] = fITSDelta[2]/TMath::Sqrt(cov[5]);
- fITSDelta[3] = (TMath::Tan(fITSAngle0[1])-TMath::Tan(fITSAngle1[1]));
- fITSPools[3] = fITSDelta[3]/TMath::Sqrt(cov[9]);
- fITSDelta[4] = (fITSinP0[3]-fITSinP1[3]);
- Double_t sign = (param[4]>0) ? 1:-1;
- fSign = sign;
- fITSPools[4] = sign*(1./fITSinP0[3]-1./fITSinP1[3])/TMath::Sqrt(cov[14]);
- }
-
-}
-
-
-void AliESDRecV0Info::Update(Float_t vertex[3])
-{
-
- if ( (fT1.fStatus[1]>0)&& (fT2.fStatus[1]>0)){
- Float_t distance1,distance2;
- Double_t xx[3],pp[3];
- //
- Double_t xd[3],pd[3],signd;
- Double_t xm[3],pm[3],signm;
- //
- //
- if (fT1.fITSOn&&fT2.fITSOn){
- for (Int_t i=0;i<3;i++){
- xd[i] = fT2.fITSinR1[i];
- pd[i] = fT2.fITSinP1[i];
- xm[i] = fT1.fITSinR1[i];
- pm[i] = fT1.fITSinP1[i];
- }
- }
- else{
-
- for (Int_t i=0;i<3;i++){
- xd[i] = fT2.fTPCinR1[i];
- pd[i] = fT2.fTPCinP1[i];
- xm[i] = fT1.fTPCinR1[i];
- pm[i] = fT1.fTPCinP1[i];
- }
- }
- //
- //
- signd = fT2.fSign<0 ? -1:1;
- signm = fT1.fSign<0 ? -1:1;
-
- AliHelix dhelix1(xd,pd,signd);
- dhelix1.GetMomentum(0,pp,0);
- dhelix1.Evaluate(0,xx);
- //
- // Double_t x2[3],p2[3];
- //
- AliHelix mhelix(xm,pm,signm);
- //
- //find intersection linear
- //
- Double_t phase[2][2],radius[2];
- Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
- Double_t delta1=10000,delta2=10000;
-
- if (points==1){
- fRs[0] = TMath::Sqrt(radius[0]);
- fRs[1] = TMath::Sqrt(radius[0]);
- }
- if (points==2){
- fRs[0] =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
- fRs[1] =TMath::Max(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
- }
-
- if (points>0){
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- }
- if (points==2){
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- }
- if (points==1){
- fRs[0] = TMath::Sqrt(radius[0]);
- fRs[1] = TMath::Sqrt(radius[0]);
- fDistMinR = delta1;
- }
- if (points==2){
- if (radius[0]<radius[1]){
- fRs[0] = TMath::Sqrt(radius[0]);
- fRs[1] = TMath::Sqrt(radius[1]);
- fDistMinR = delta1;
- }
- else{
- fRs[0] = TMath::Sqrt(radius[1]);
- fRs[1] = TMath::Sqrt(radius[0]);
- fDistMinR = delta2;
- }
- }
- //
- //
- distance1 = TMath::Min(delta1,delta2);
- //
- //find intersection parabolic
- //
- points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
- delta1=10000,delta2=10000;
-
- if (points>0){
- dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- }
- if (points==2){
- dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- }
-
- distance2 = TMath::Min(delta1,delta2);
- if (distance2>100) fDist2 =100;
- return;
- if (delta1<delta2){
- //get V0 info
- dhelix1.Evaluate(phase[0][0],fXr);
- dhelix1.GetMomentum(phase[0][0],fPdr);
- mhelix.GetMomentum(phase[0][1],fPm);
- dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
- fRr = TMath::Sqrt(radius[0]);
- }
- else{
- dhelix1.Evaluate(phase[1][0],fXr);
- dhelix1.GetMomentum(phase[1][0], fPdr);
- mhelix.GetMomentum(phase[1][1], fPm);
- dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
- fRr = TMath::Sqrt(radius[1]);
- }
- fDist1 = TMath::Sqrt(distance1);
- fDist2 = TMath::Sqrt(distance2);
-
- if (fDist2<10.5){
- Double_t x,alpha,param[5],cov[15];
- //
- fT1.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
- fT1.GetESDtrack()->GetInnerExternalCovariance(cov);
- AliExternalTrackParam paramm(x,alpha,param,cov);
- //
- fT2.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
- fT2.GetESDtrack()->GetInnerExternalCovariance(cov);
- AliExternalTrackParam paramd(x,alpha,param,cov);
- }
- //
- //
-
- Float_t v[3] = {fXr[0]-vertex[0],fXr[1]-vertex[1],fXr[2]-vertex[2]};
- Float_t p[3] = {fPdr[0]+fPm[0], fPdr[1]+fPm[1],fPdr[2]+fPm[2]};
-
- Float_t vnorm2 = v[0]*v[0]+v[1]*v[1];
- Float_t vnorm3 = TMath::Sqrt(v[2]*v[2]+vnorm2);
- vnorm2 = TMath::Sqrt(vnorm2);
- Float_t pnorm2 = p[0]*p[0]+p[1]*p[1];
- Float_t pnorm3 = TMath::Sqrt(p[2]*p[2]+pnorm2);
- pnorm2 = TMath::Sqrt(pnorm2);
-
- fPointAngleFi = (v[0]*p[0]+v[1]*p[1])/(vnorm2*pnorm2);
- fPointAngleTh = (v[2]*p[2]+vnorm2*pnorm2)/(vnorm3*pnorm3);
- fPointAngle = (v[0]*p[0]+v[1]*p[1]+v[2]*p[2])/(vnorm3*pnorm3);
- }
-}
-
-////
-void AliESDRecKinkInfo::Update()
-{
-
- if ( (fT1.fTPCOn)&& (fT2.fTPCOn)){
- //
- // IF BOTH RECONSTRUCTED
- Float_t distance1,distance2;
- Double_t xx[3],pp[3];
- //
- Double_t xd[3],pd[3],signd;
- Double_t xm[3],pm[3],signm;
- for (Int_t i=0;i<3;i++){
- xd[i] = fT2.fTPCinR1[i];
- pd[i] = fT2.fTPCinP1[i];
- xm[i] = fT1.fTPCinR1[i];
- pm[i] = fT1.fTPCinP1[i];
- }
- signd = fT2.fSign<0 ? -1:1;
- signm = fT1.fSign<0 ? -1:1;
-
- AliHelix dhelix1(xd,pd,signd);
- dhelix1.GetMomentum(0,pp,0);
- dhelix1.Evaluate(0,xx);
- //
- // Double_t x2[3],p2[3];
- //
- AliHelix mhelix(xm,pm,signm);
- //
- //find intersection linear
- //
- Double_t phase[2][2],radius[2];
- Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
- Double_t delta1=10000,delta2=10000;
-
- if (points==1){
- fMinR = TMath::Sqrt(radius[0]);
- }
- if (points==2){
- fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
- }
-
- if (points>0){
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- }
- if (points==2){
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- }
- if (points==1){
- fMinR = TMath::Sqrt(radius[0]);
- fDistMinR = delta1;
- }
- if (points==2){
- if (radius[0]<radius[1]){
- fMinR = TMath::Sqrt(radius[0]);
- fDistMinR = delta1;
- }
- else{
- fMinR = TMath::Sqrt(radius[1]);
- fDistMinR = delta2;
- }
- }
- //
- //
- distance1 = TMath::Min(delta1,delta2);
- //
- //find intersection parabolic
- //
- points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
- delta1=10000,delta2=10000;
-
- if (points>0){
- dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
- }
- if (points==2){
- dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
- }
-
- distance2 = TMath::Min(delta1,delta2);
- if (delta1<delta2){
- //get V0 info
- dhelix1.Evaluate(phase[0][0],fXr);
- dhelix1.GetMomentum(phase[0][0],fPdr);
- mhelix.GetMomentum(phase[0][1],fPm);
- dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
- fRr = TMath::Sqrt(radius[0]);
- }
- else{
- dhelix1.Evaluate(phase[1][0],fXr);
- dhelix1.GetMomentum(phase[1][0], fPdr);
- mhelix.GetMomentum(phase[1][1], fPm);
- dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
- fRr = TMath::Sqrt(radius[1]);
- }
- fDist1 = TMath::Sqrt(distance1);
- fDist2 = TMath::Sqrt(distance2);
-
- if (fDist2<10.5){
- Double_t x,alpha,param[5],cov[15];
- //
- fT1.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
- fT1.GetESDtrack()->GetInnerExternalCovariance(cov);
- AliExternalTrackParam paramm(x,alpha,param,cov);
- //
- fT2.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
- fT2.GetESDtrack()->GetInnerExternalCovariance(cov);
- AliExternalTrackParam paramd(x,alpha,param,cov);
- /*
- AliESDkink kink;
- kink.Update(¶mm,¶md);
- // kink.Dump();
- Double_t diff = kink.fRr-fRr;
- Double_t diff2 = kink.fDist2-fDist2;
- printf("Diff\t%f\t%f\n",diff,diff2);
- */
- }
-
- //
- //
- }
-
-}
-
+++ /dev/null
-#ifndef ALIRECINFO_H
-#define ALIRECINFO_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
-
-
-//////////////////////////////////////////////////////////////////////////////
-// Class AliRecInfo //
-// collect together MC info and Rec info for comparison purposes
-// - effieciency studies and so on// //
-// marian.ivanov@cern.ch //
-//////////////////////////////////////////////////////////////////////////////
-
-
-#include "TObject.h"
-#include "AliESDEvent.h"
-#include "AliESDtrack.h"
-#include "AliV0.h"
-#include "AliESDkink.h"
-#include "AliESDfriendTrack.h"
-#include "AliITStrackMI.h"
-#include "AliTRDtrack.h"
-class AliTPCseed;
-
-/////////////////////////////////////////////////////////////////////////
-class AliESDRecInfo: public TObject {
- friend class AliRecInfoMaker;
- friend class AliESDRecV0Info;
- friend class AliESDRecKinkInfo;
-
-public:
- AliESDRecInfo();
- AliESDRecInfo(const AliESDRecInfo& recinfo);
- ~AliESDRecInfo();
- void UpdatePoints(AliESDtrack* track);
- void Update(AliMCInfo* info,AliTPCParam * par, Bool_t reconstructed);
- void Reset();
- //
- void SetESDtrack(const AliESDtrack *track);
- AliESDtrack *GetESDtrack() const { return fESDtrack;}
- AliESDfriendTrack *GetTrackF() const { return fTrackF;}
- AliTPCseed *GetTPCtrack() const { return fTPCtrack;}
- AliITStrackMI *GetITStrack() const { return fITStrack;}
- AliTRDtrack *GetTRDtrack() const { return fTRDtrack;}
- Int_t GetStatus(Int_t i) { return fStatus[i];}
-protected:
- //
- Float_t fTPCPoints[10]; //start , biggest end points,max density .. density at the last 30 pad-rows
- Double_t fTPCinR0[5]; //generated position of the track at inner tpc - radius [3] and fi [4]
- Double_t fTPCinR1[5]; //reconstructed postion of the track - radius [3] and fi [
- Double_t fTPCinP0[5]; //generated position of the track at inner tpc
- Double_t fTPCinP1[5]; //reconstructed postion of the track
- Double_t fTPCAngle0[2]; // generated angle
- Double_t fTPCAngle1[2]; //refconstructed angle
- Double_t fTPCDelta[5]; // deltas
- Double_t fTPCPools[5]; // pools
- Double_t fITSinR0[5]; //generated position of the track at inner tpc
- Double_t fITSinR1[5]; //reconstructed postion of the track
- Double_t fITSinP0[5]; //generated position of the track at inner tpc
- Double_t fITSinP1[5]; //reconstructed postion of the track
- Double_t fITSAngle0[2]; // generated angle
- Double_t fITSAngle1[2]; //refconstructed angle
- Double_t fITSDelta[5]; // deltas
- Double_t fITSPools[5]; // pools
- Float_t fTRLocalCoord[3]; //local coordinates of the track ref.
- Int_t fStatus[4]; // status -0 not found - 1 -only in - 2 -in-out -3 -in -out-refit
- Int_t fLabels[2]; // labels
-
- Bool_t fITSOn; // ITS refitted inward
- Bool_t fTRDOn; // ITS refitted inward
- Float_t fDeltaP; //delta of momenta
- Double_t fSign; // sign
- Int_t fReconstructed; //flag if track was reconstructed
- Int_t fFake; // fake track
- Int_t fMultiple; // number of reconstructions
- Bool_t fTPCOn; // TPC refitted inward
- Float_t fBestTOFmatch; //best matching between times
-
-private:
- AliESDtrack *fESDtrack; // esd track
- AliESDfriendTrack *fTrackF; // friend track
- AliTPCseed *fTPCtrack; // tpc track
- AliITStrackMI *fITStrack; // its track
- AliTRDtrack *fTRDtrack; // trd track
-
- ClassDef(AliESDRecInfo,2) // container for
-};
-
-
-
-/////////////////////////////////////////////////////////
-/////////////////////////////////////////////////////////
-/////////////////////////////////////////////////////////
-
-
-class AliESDRecV0Info: public TObject {
- friend class AliRecInfoMaker;
-public:
- void Update(Float_t vertex[3]);
-protected:
- AliESDRecInfo fT1; //track1
- AliESDRecInfo fT2; //track2
- Double_t fDist1; //info about closest distance according closest MC - linear DCA
- Double_t fDist2; //info about closest distance parabolic DCA
- Double_t fInvMass; //reconstructed invariant mass -
- //
- Double_t fPdr[3]; //momentum at vertex daughter - according approx at DCA
- Double_t fXr[3]; //rec. position according helix
- //
- Double_t fRs[2]; // minimum radius in rphi intersection
- Double_t fDistMinR; // distance at minimal radius
- Double_t fPm[3]; //momentum at the vertex mother
- Double_t fAngle[3]; //three angles
- Double_t fRr; // rec position of the vertex
- Int_t fLab[2]; //MC label of the partecle
- Float_t fPointAngleFi; //point angle fi
- Float_t fPointAngleTh; //point angle theta
- Float_t fPointAngle; //point angle full
- Int_t fV0Status; // status of the kink
- AliV0* fV0tpc; // Vo information from reconsturction according TPC
- AliV0* fV0its; // Vo information from reconsturction according ITS
- AliV0* fV0rec; // V0 information form the reconstruction
- Int_t fMultiple; // how man times V0 was recostructed
- Int_t fV0Multiple; // how man times was V0 reconstucted
- Int_t fRecStatus; // status form the reconstuction
- ClassDef(AliESDRecV0Info,2) // container for
-};
-
-
-
-class AliESDRecKinkInfo: public TObject {
-friend class AliRecInfoMaker;
-public:
- void Update();
-protected:
- AliESDRecInfo fT1; //track1
- AliESDRecInfo fT2; //track2
- AliESDkink fKink; //kink
- Double_t fDist1; //info about closest distance according closest MC - linear DCA
- Double_t fDist2; //info about closest distance parabolic DCA
- Double_t fInvMass; //reconstructed invariant mass -
- //
- Double_t fPdr[3]; //momentum at vertex daughter - according approx at DCA
- Double_t fXr[3]; //rec. position according helix
- //
- Double_t fPm[3]; //momentum at the vertex mother
- Double_t fAngle[3]; //three angles
- Double_t fRr; // rec position of the vertex
- Double_t fMinR; // minimum radius in rphi intersection
- Double_t fDistMinR; // distance at minimal radius
- Int_t fLab[2]; //MC label of the partecle
- Float_t fPointAngleFi; //point angle fi
- Float_t fPointAngleTh; //point angle theta
- Float_t fPointAngle; //point angle full
- Int_t fStatus; //status -tracks
- Int_t fRecStatus; //kink -status- 0 - not found 1-good - fake
- Int_t fMultiple; // how many times was kink reconstructed
- Int_t fKinkMultiple; // how many times was kink reconstructed
- ClassDef(AliESDRecKinkInfo,1) // container for
-};
-
-#endif
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff