Adding simple example to load default debug streamer
[u/mrichter/AliRoot.git] / TPC / AliTPCkineGrid.h
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33049b0a 1#ifndef ALITPCKINEGRID_H
2#define ALITPCKINEGRID_H
3/* Copyright(c) 2001-2002, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
b2bca9d4 8//-- Root headers ---
9#include <TNamed.h>
33049b0a 10#include <TMatrixD.h>
11#include <TArrayD.h>
b2bca9d4 12//-------------------
33049b0a 13
14class AliTPCkineGrid : public TNamed {
15 ////////////////////////////////////////////////////////////////////////
16 // Class used by TPC tracking parameterization to handle the tracking
17 // parameters (efficiencies, etc...) on a kinematic grid [pt,eta].
18 // User has to provide the grid steps and the values of the parameter
19 // in the points of the grid. The function GetValueAt(pt,eta) returns
20 // the result of a linear interpolation at the point [pt,eta].
21 //
22 // Origin: Andrea Dainese, Padova - e-mail: andrea.dainese@pd.infn.it
23 ////////////////////////////////////////////////////////////////////////
24 public:
25
26 AliTPCkineGrid();
27 AliTPCkineGrid(Int_t npt,Int_t neta,Double_t* pt,Double_t* eta);
28 AliTPCkineGrid(const AliTPCkineGrid& grid);
179c6296 29 AliTPCkineGrid &operator = (const AliTPCkineGrid & param);
33049b0a 30 virtual ~AliTPCkineGrid();
31 void GetArrayEta(Double_t* eta) const;
32 void GetArrayPt(Double_t* pt) const;
33 Int_t GetBin(Double_t pt,Double_t eta) const;
34 Int_t GetBinsEta() const {return fNeta+1;}
35 Int_t GetBinsPt() const {return fNpt+1;}
36 Double_t GetParam(Int_t i) const;
37 Double_t GetParam(Int_t ipt,Int_t ieta) const {return (*fParams)(ipt,ieta);}
38 Int_t GetPointsEta() const {return fNeta;}
39 Int_t GetPointsPt() const {return fNpt;}
40 Int_t GetTotBins() const {return (fNeta+1)*(fNpt+1);}
41 Int_t GetTotPoints() const {return fNeta*fNpt;}
42 Double_t GetValueAt(Double_t pt,Double_t eta) const;
43 void SetParam(Int_t i,Double_t par);
44 void SetParam(Int_t ipt,Int_t ieta,Double_t par) {
45 (*fParams)(ipt,ieta)=par; return; }
46
47
48 private:
49
50 Int_t fNpt; // number of points in the grid: pt
51 Int_t fNeta; // " eta
52 TArrayD* fPt; // grid points in pt
53 TArrayD* fEta; // grid points in eta
54 TMatrixD* fParams; // matrix of parameters in the grid points
55
56
57 ClassDef(AliTPCkineGrid,1) // Parameters used by AliTPCtrackerParam
58};
59
60
61#endif
62
63
64
b2bca9d4 65