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572f41f9 | 1 | #ifndef ALIITSCLUSTERPARAM_H |
2 | #define ALIITSCLUSTERPARAM_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //////////////////////////////////////////////////// | |
9 | // // | |
10 | // ITS cluster error and shape parameterization // | |
11 | // andrea.dainese@lnl.infn.it // | |
12 | //////////////////////////////////////////////////// | |
13 | ||
14 | ||
15 | #include <TObject.h> | |
16 | #include "AliITSRecPoint.h" | |
17 | ||
18 | //class TTree; | |
19 | ||
20 | //_____________________________________________________________________________ | |
21 | class AliITSClusterParam : public TObject { | |
22 | public: | |
23 | static AliITSClusterParam* Instance(); | |
24 | AliITSClusterParam(){} | |
25 | virtual ~AliITSClusterParam(){;} | |
26 | virtual void Print(Option_t* option = "") const; | |
27 | void SetInstance(AliITSClusterParam *param){fgInstance = param;} | |
28 | static void GetNTeor(Int_t layer,const AliITSRecPoint* cl, | |
e50912db | 29 | Float_t tgl,Float_t tgphitr, |
30 | Float_t &ny,Float_t &nz); | |
572f41f9 | 31 | static Int_t GetError(Int_t layer,const AliITSRecPoint*cl, |
e50912db | 32 | Float_t tgl,Float_t tgphitr,Float_t expQ, |
d9ead1a0 | 33 | Float_t &erry,Float_t &errz,Float_t &covyz, |
8c139cf3 | 34 | Bool_t addMisalErr=kTRUE); |
d9ead1a0 | 35 | static Int_t GetError(Int_t layer,const AliITSRecPoint*cl, |
36 | Float_t tgl,Float_t tgphitr,Float_t expQ, | |
37 | Float_t &erry,Float_t &errz, | |
38 | Bool_t addMisalErr=kTRUE) { | |
39 | Float_t covyz; | |
40 | return GetError(layer,cl,tgl,tgphitr,expQ,erry,errz,covyz,addMisalErr); | |
41 | } | |
572f41f9 | 42 | |
43 | //void FitData(TTree * tree); | |
44 | // | |
45 | protected: | |
46 | static AliITSClusterParam* fgInstance; //! Instance of this class (singleton implementation) | |
e50912db | 47 | static Int_t GetErrorOrigRecPoint(const AliITSRecPoint*cl, |
d9ead1a0 | 48 | Float_t &erry,Float_t &errz,Float_t &covyz); |
e50912db | 49 | static Int_t GetErrorParamMI(Int_t layer,const AliITSRecPoint*cl, |
50 | Float_t tgl,Float_t tgphitr,Float_t expQ, | |
51 | Float_t &erry,Float_t &errz); | |
52 | static Int_t GetErrorParamAngle(Int_t layer,const AliITSRecPoint*cl, | |
53 | Float_t tgl,Float_t tgphitr, | |
54 | Float_t &erry,Float_t &errz); | |
55 | ||
572f41f9 | 56 | ClassDef(AliITSClusterParam,1) // ITS cluster parametrization class |
57 | }; | |
58 | ||
59 | #endif |