New TOF online calibration object classes implemented, both for channel
[u/mrichter/AliRoot.git] / ITS / AliITSClusterParam.h
CommitLineData
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//_____________________________________________________________________________
21class 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,
33 Float_t &erry,Float_t &errz);
572f41f9 34
35 //void FitData(TTree * tree);
36 //
37 protected:
38 static AliITSClusterParam* fgInstance; //! Instance of this class (singleton implementation)
e50912db 39 static Int_t GetErrorOrigRecPoint(const AliITSRecPoint*cl,
40 Float_t &erry,Float_t &errz);
41 static Int_t GetErrorParamMI(Int_t layer,const AliITSRecPoint*cl,
42 Float_t tgl,Float_t tgphitr,Float_t expQ,
43 Float_t &erry,Float_t &errz);
44 static Int_t GetErrorParamAngle(Int_t layer,const AliITSRecPoint*cl,
45 Float_t tgl,Float_t tgphitr,
46 Float_t &erry,Float_t &errz);
47
572f41f9 48 ClassDef(AliITSClusterParam,1) // ITS cluster parametrization class
49};
50
51#endif