1 #ifndef ALITPCTRACKERPARAM_H
2 #define ALITPCTRACKERPARAM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */
4 /* See cxx source for full Copyright notice */
6 //-----------------------------------------------------------------------------
7 // TPC Tracking Parameterization Class
9 // Origin: Andrea Dainese, Padova - e-mail: andrea.dainese@pd.infn.it
10 //-----------------------------------------------------------------------------
13 #include "AliTPCtrack.h"
15 class AliTPCtrackerParam {
17 AliTPCtrackerParam(const Int_t coll=0,const Double_t Bz=0.4);
18 virtual ~AliTPCtrackerParam();
21 Int_t BuildTPCtracks(const TFile *inp, TFile *out,Int_t n=1);
24 Int_t fColl; // collision code (0: PbPb6000)
25 Double_t fBz; // value of the z component of L3 field (Tesla)
28 AliTPCtrack* BuildTrack(Double_t alpha,Double_t x,Double_t y,Double_t z,
29 Double_t Px,Double_t Py,Double_t Pz,Double_t Pt,
32 Bool_t SelectedTrack(Int_t pdg, Double_t pt, Double_t eta);
34 Int_t GetBin(Double_t pt,Double_t eta);
36 TMatrixD GetSmearingMatrix(Double_t* cc, Double_t pt,Double_t eta);
38 void SmearTrack(Double_t* xx,Double_t* xxsm,TMatrixD cov);
40 Double_t LinearInterpolation(Int_t ptBins,Double_t *value,Double_t pt,Double_t eta);
42 void CookTracks(TObjArray& tarray,TObjArray& newtarray);
45 ClassDef(AliTPCtrackerParam,1)