[u/mrichter/AliRoot.git] / PWG0 / esdTrackCuts / ESDtrackQualityCuts.h

#ifndef ESDTRACKQUALITYCUTS
#define ESDTRACKQUALITYCUTS

//****************************************************************
//
//  Class for handling of ESD track quality cuts
//
//  TODO: 
//  - add functionality to save and load cuts
//  - fix the n sigma cut so it is really a n sigma cut
//

#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TTree
#include "TTree.h"
#endif
#ifndef ROOT_TH2
#include "TH2.h"
#endif

#include "AliESDtrack.h"
#include "AliESDVertex.h"
#include "AliLog.h"

class ESDtrackQualityCuts : public TObject 
{
protected:

  //######################################################
  // esd track quality cuts
  static const Int_t fNCuts = 14;
  Char_t*            fCutNames[14];

  Int_t   fCut_MinNClusterTPC;        // min number of tpc clusters
  Int_t   fCut_MinNClusterITS;        // min number of its clusters  

  Float_t fCut_MaxChi2PerClusterTPC;  // max tpc fit chi2 per tpc cluster
  Float_t fCut_MaxChi2PerClusterITS;  // max its fit chi2 per its cluster

  Float_t fCut_MaxC11;                // max resolutions of covariance matrix diag. elements
  Float_t fCut_MaxC22;
  Float_t fCut_MaxC33;
  Float_t fCut_MaxC44;
  Float_t fCut_MaxC55;

  Float_t fCut_NsigmaToVertex;        // max number of estimated sigma from track-to-vertex
  Bool_t  fCut_SigmaToVertexRequired; // cut track if sigma from track-to-vertex could not be calculated
 
  Bool_t  fCut_AcceptKinkDaughters;   // accepting kink daughters?
  Bool_t  fCut_RequireTPCRefit;       // require TPC refit
  Bool_t  fCut_RequireITSRefit;       // require ITS refit
  
  //######################################################
  // diagnostics histograms
  Bool_t fHistogramsOn;

  TH1F** hNClustersITS;
  TH1F** hNClustersTPC;
  
  TH1F** hChi2PerClusterITS;
  TH1F** hChi2PerClusterTPC;

  TH1F** hC11;
  TH1F** hC22;
  TH1F** hC33;
  TH1F** hC44;
  TH1F** hC55;

  TH1F** hDXY;
  TH1F** hDZ;
  TH2F** hDXYvsDZ;

  TH1F** hDXYNormalized;
  TH1F** hDZNormalized;
  TH2F** hDXYvsDZNormalized;

  TH1F*  hCutStatistics;
  TH2F*  hCutCorrelation;
  

  // dummy array
  Int_t  fIdxInt[200];

public:
  ESDtrackQualityCuts();
  
  Bool_t AcceptTrack(AliESDtrack* esdTrack);
  Bool_t AcceptTrack(AliESDtrack* esdTrack, AliESDVertex* esdVtx, Double_t field);
  Bool_t AcceptTrack(AliESDtrack* esdTrack, Double_t* vtx, Double_t* vtx_res, Double_t field);
  Bool_t AcceptTrack(AliESDtrack* esdTrack, AliESDVertex* esdVtx, Float_t field)
    {return AcceptTrack(esdTrack,esdVtx, Double_t(field));}

  //######################################################
  // track quality cut setters  
  void   SetMinNClustersTPC(Int_t min=-1)          {fCut_MinNClusterTPC=min;}
  void   SetMinNClustersITS(Int_t min=-1)          {fCut_MinNClusterITS=min;}
  void   SetMaxChi2PerClusterTPC(Float_t max=1e99) {fCut_MaxChi2PerClusterTPC=max;}
  void   SetMaxChi2PerClusterITS(Float_t max=1e99) {fCut_MaxChi2PerClusterITS=max;}
  void   SetMinNsigmaToVertex(Float_t sigma=3)     {fCut_NsigmaToVertex=sigma;}
  void   SetRequireSigmaToVertex(Bool_t b=kTRUE)  { fCut_SigmaToVertexRequired = b; }
  void   SetRequireTPCRefit(Bool_t b=kFALSE)       {fCut_RequireTPCRefit=b;}
  void   SetRequireITSRefit(Bool_t b=kFALSE)       {fCut_RequireITSRefit=b;}
  void   SetAcceptKingDaughters(Bool_t b=kFALSE)   {fCut_AcceptKinkDaughters=b;}
  void   SetMaxCovDiagonalElements(Float_t c1=1e99, Float_t c2=1e99, Float_t c3=1e99, Float_t c4=1e99, Float_t c5=1e99) 
    {fCut_MaxC11=c1; fCut_MaxC22=c2; fCut_MaxC33=c3; fCut_MaxC44=c4; fCut_MaxC55=c5;}
 
  //######################################################
  void   SetHistogramsOn(Bool_t b=kFALSE) {fHistogramsOn = b;}
  void   DefineHistograms(Int_t color=1);
  void   SaveHistograms(Char_t* dir="track_selection");
  
  // void SaveQualityCuts(Char_t* file)
  // void LoadQualityCuts(Char_t* file)

  ClassDef(ESDtrackQualityCuts,0)
};

#endif
Commit	Line	Data
539b6cb4	1	#ifndef ESDTRACKQUALITYCUTS
	2	#define ESDTRACKQUALITYCUTS
	3
	4	//****************************************************************
75ec0f41	5	//
	6	// Class for handling of ESD track quality cuts
	7	//
	8	// TODO:
	9	// - add functionality to save and load cuts
	10	// - fix the n sigma cut so it is really a n sigma cut
	11	//
	12
	13	#ifndef ROOT_TObject
	14	#include "TObject.h"
	15	#endif
	16	#ifndef ROOT_TTree
	17	#include "TTree.h"
	18	#endif
	19	#ifndef ROOT_TH2
	20	#include "TH2.h"
	21	#endif
	22
	23	#include "AliESDtrack.h"
	24	#include "AliESDVertex.h"
	25	#include "AliLog.h"
	26
	27	class ESDtrackQualityCuts : public TObject
	28	{
	29	protected:
	30
	31	//######################################################
	32	// esd track quality cuts
	33	static const Int_t fNCuts = 14;
	34	Char_t* fCutNames[14];
	35
	36	Int_t fCut_MinNClusterTPC; // min number of tpc clusters
	37	Int_t fCut_MinNClusterITS; // min number of its clusters
	38
	39	Float_t fCut_MaxChi2PerClusterTPC; // max tpc fit chi2 per tpc cluster
	40	Float_t fCut_MaxChi2PerClusterITS; // max its fit chi2 per its cluster
	41
	42	Float_t fCut_MaxC11; // max resolutions of covariance matrix diag. elements
	43	Float_t fCut_MaxC22;
	44	Float_t fCut_MaxC33;
	45	Float_t fCut_MaxC44;
	46	Float_t fCut_MaxC55;
	47
	48	Float_t fCut_NsigmaToVertex; // max number of estimated sigma from track-to-vertex
	49	Bool_t fCut_SigmaToVertexRequired; // cut track if sigma from track-to-vertex could not be calculated
	50
	51	Bool_t fCut_AcceptKinkDaughters; // accepting kink daughters?
	52	Bool_t fCut_RequireTPCRefit; // require TPC refit
	53	Bool_t fCut_RequireITSRefit; // require ITS refit
	54
	55	//######################################################
	56	// diagnostics histograms
	57	Bool_t fHistogramsOn;
	58
	59	TH1F** hNClustersITS;
	60	TH1F** hNClustersTPC;
	61
	62	TH1F** hChi2PerClusterITS;
	63	TH1F** hChi2PerClusterTPC;
	64
	65	TH1F** hC11;
	66	TH1F** hC22;
	67	TH1F** hC33;
	68	TH1F** hC44;
69	TH1F** hC55;
70
71	TH1F** hDXY;
72	TH1F** hDZ;
73	TH2F** hDXYvsDZ;
74
75	TH1F** hDXYNormalized;
76	TH1F** hDZNormalized;
77	TH2F** hDXYvsDZNormalized;
78
79	TH1F* hCutStatistics;
80	TH2F* hCutCorrelation;
81
82
83	// dummy array
84	Int_t fIdxInt[200];
85
86	public:
87	ESDtrackQualityCuts();
88
89	Bool_t AcceptTrack(AliESDtrack* esdTrack);
90	Bool_t AcceptTrack(AliESDtrack* esdTrack, AliESDVertex* esdVtx, Double_t field);
91	Bool_t AcceptTrack(AliESDtrack* esdTrack, Double_t* vtx, Double_t* vtx_res, Double_t field);
92	Bool_t AcceptTrack(AliESDtrack* esdTrack, AliESDVertex* esdVtx, Float_t field)
93	{return AcceptTrack(esdTrack,esdVtx, Double_t(field));}
94
95	//######################################################
96	// track quality cut setters
97	void SetMinNClustersTPC(Int_t min=-1) {fCut_MinNClusterTPC=min;}
98	void SetMinNClustersITS(Int_t min=-1) {fCut_MinNClusterITS=min;}
99	void SetMaxChi2PerClusterTPC(Float_t max=1e99) {fCut_MaxChi2PerClusterTPC=max;}
100	void SetMaxChi2PerClusterITS(Float_t max=1e99) {fCut_MaxChi2PerClusterITS=max;}
101	void SetMinNsigmaToVertex(Float_t sigma=3) {fCut_NsigmaToVertex=sigma;}
102	void SetRequireSigmaToVertex(Bool_t b=kTRUE) { fCut_SigmaToVertexRequired = b; }
103	void SetRequireTPCRefit(Bool_t b=kFALSE) {fCut_RequireTPCRefit=b;}
104	void SetRequireITSRefit(Bool_t b=kFALSE) {fCut_RequireITSRefit=b;}
105	void SetAcceptKingDaughters(Bool_t b=kFALSE) {fCut_AcceptKinkDaughters=b;}
106	void SetMaxCovDiagonalElements(Float_t c1=1e99, Float_t c2=1e99, Float_t c3=1e99, Float_t c4=1e99, Float_t c5=1e99)
107	{fCut_MaxC11=c1; fCut_MaxC22=c2; fCut_MaxC33=c3; fCut_MaxC44=c4; fCut_MaxC55=c5;}
108
109	//######################################################
110	void SetHistogramsOn(Bool_t b=kFALSE) {fHistogramsOn = b;}
111	void DefineHistograms(Int_t color=1);
112	void SaveHistograms(Char_t* dir="track_selection");
113
114	// void SaveQualityCuts(Char_t* file)
115	// void LoadQualityCuts(Char_t* file)
116
117	ClassDef(ESDtrackQualityCuts,0)
118	};
119
539b6cb4	120	#endif