First commit.
[u/mrichter/AliRoot.git] / FASTSIM / AliMUONFastTracking.h
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6255180c 1#ifndef ALIMUONFASTTRACKING
2#define ALIMUONFASTTRACKING
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7class TF1;
8class TSpline3;
9class TFile;
10class AliMUONFastTrackingEntry;
11
12
13#include <TObject.h>
14
15class AliMUONFastTracking : public TObject {
16 public:
17 static AliMUONFastTracking* Instance();
18 ~AliMUONFastTracking(){;}
19 void Init(Float_t bkg);
20 void ReadLUT(TFile *file);
21 void GetBinning(Int_t &nbinp, Float_t &pmin, Float_t &pmax,
22 Int_t &nbintheta, Float_t &thetamin, Float_t &thetamax,
23 Int_t &nbinphi, Float_t &phimin, Float_t &phimax);
24 void GetIpIthetaIphi(Float_t p, Float_t theta, Float_t phi, Int_t charge,
25 Int_t &ip, Int_t &itheta, Int_t &iphi);
26 void GetSplit(Int_t ip, Int_t itheta, Int_t &nSplitP, Int_t &nSplitTheta);
27 Float_t Efficiency(Float_t p, Float_t theta, Float_t phi, Int_t charge);
28 Float_t Acceptance(Float_t p, Float_t theta, Float_t phi, Int_t charge);
29 Float_t MeanP(Float_t p, Float_t theta, Float_t phi, Int_t charge);
30 Float_t SigmaP(Float_t p, Float_t theta, Float_t phi, Int_t charge);
31 Float_t Sigma1P(Float_t p, Float_t theta, Float_t phi, Int_t charge);
32 Float_t NormG2(Float_t p, Float_t theta, Float_t phi, Int_t charge);
33 Float_t MeanG2(Float_t p, Float_t theta, Float_t phi, Int_t charge);
34 Float_t SigmaG2(Float_t p, Float_t theta, Float_t phi, Int_t charge);
35 Float_t MeanTheta(Float_t p, Float_t theta, Float_t phi, Int_t charge);
36 Float_t SigmaTheta(Float_t p, Float_t theta, Float_t phi, Int_t charge);
37 Float_t MeanPhi(Float_t p, Float_t theta, Float_t phi, Int_t charge);
38 Float_t SigmaPhi(Float_t p, Float_t theta, Float_t phi, Int_t charge);
39
40 void SetSpline();
41 Float_t GetBackground() {return fBkg;}
42 void SetBackground(Float_t bkg);
43 void UseSpline (Int_t splineSwitch=1) {fSpline = splineSwitch;}
44 void SmearMuon(Float_t pgen, Float_t thetagen, Float_t phigen, Int_t charge,
45 Float_t &psmear, Float_t &thetasmear, Float_t &phismear,
46 Float_t &eff, Float_t &acc);
47 TF1* GetFitP() {return fFitp;}
48 private:
49 AliMUONFastTracking();
50 AliMUONFastTracking(Float_t bkg){;}
51 protected:
52 Int_t fNentries;
53 Int_t fNbinp;
54 Float_t fPmin;
55 Float_t fPmax;
56 Float_t fDeltaP;
57 Int_t fNbintheta;
58 Float_t fThetamin;
59 Float_t fThetamax;
60 Float_t fDeltaTheta;
61 Int_t fNbinphi;
62 Float_t fPhimin;
63 Float_t fPhimax;
64 Float_t fDeltaPhi;
65 Int_t fPrintLevel;
66 Float_t fBkg;
67 TF1 *fFitp; // func for psmear-pgen distr
68 AliMUONFastTrackingEntry *fEntry[20][20][20][4]; // array of LUT parameters
69 AliMUONFastTrackingEntry *fCurrentEntry[20][20][20]; // array of LUT parameters
70 public:
71 TSpline3 *fSplineEff[200][3]; // spline funcs for efficiency
72 TSpline3 *fSplineAcc[200][3]; // spline funcs for acceptance
73 TSpline3 *fSplineSigmap[200][3]; //
74 TSpline3 *fSplineSigma1p[200][3]; //!
75 TSpline3 *fSplineSigmatheta[200][3]; //!
76 TSpline3 *fSplineSigmaphi[200][3]; //!
77 protected:
78 Int_t fSpline;
79 static AliMUONFastTracking* fgMUONFastTracking; //!Pointer to single instance
80 ClassDef(AliMUONFastTracking,1) // Fast MUON Tracking Data Handler
81};
82
83#endif
84