[u/mrichter/AliRoot.git] / PWGPP / TPC / AliTPCPIDBase.h

#ifndef ALITPCPIDBASE_H
#define ALITPCPIDBASE_H

/*
This class is a base class for all other
analysis tasks that use V0's.
It provides basics for V0 identification.
In addition, some further basic functions are provided.

Class written by Benjamin Hess.
Contact: bhess@cern.ch
*/

class TF1;
class TRandom3;
class TObjArray;
class AliVEvent;
class AliESDEvent;
class AliMCEvent;
class AliPIDResponse;
class AliESDv0KineCuts;
class AliPID;
class AliAnalysisFilter;
class AliVTrack;

#include <TTreeStream.h>
#include "AliInputEventHandler.h"
#include "AliTOFPIDResponse.h"
#include "AliAnalysisTaskSE.h"

class AliTPCPIDBase : public AliAnalysisTaskSE {
 public:
  enum TPCcutType { kNoCut = 0, kTPCCutMIGeo = 1, kTPCnclCut = 2 };
  AliTPCPIDBase();
  AliTPCPIDBase(const char *name);
  virtual ~AliTPCPIDBase();
  
  virtual void   UserCreateOutputObjects();
  virtual void   UserExec(Option_t *option);
  virtual void   Terminate(const Option_t*);
  
  virtual Bool_t GetVertexIsOk(AliVEvent* event, Bool_t doVtxZcut = kTRUE) const;
  
  virtual Bool_t GetIsPbpOrpPb() const { return fIsPbpOrpPb; };
  virtual void SetIsPbpOrpPb(Bool_t newValue) { fIsPbpOrpPb = newValue; };
  
  virtual Double_t GetZvtxCutEvent() const { return fZvtxCutEvent; };
  virtual void SetZvtxCutEvent(Double_t newValue) { fZvtxCutEvent = newValue; };
  
  virtual Bool_t GetUsePhiCut() const { return fUsePhiCut; };
  virtual void SetUsePhiCut(Bool_t newValue) { fUsePhiCut = newValue; };
  
  virtual TPCcutType GetTPCcutType() const { return fTPCcutType; };
  virtual Bool_t GetUseTPCCutMIGeo() const { return (fTPCcutType == kTPCCutMIGeo); };
  virtual Bool_t GetUseTPCnclCut() const { return (fTPCcutType == kTPCnclCut); };
  
  virtual void SetTPCcutType(TPCcutType newType) { fTPCcutType = newType; };
  
  virtual Double_t GetEtaCut() const { return fEtaCut; };     
  virtual void  SetEtaCut(Double_t etaCut){ fEtaCut = etaCut; };
  
  virtual const AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; };
  virtual void  SetTrackFilter(AliAnalysisFilter* trackF) {fTrackFilter = trackF;}
  
  virtual Char_t GetV0tag(Int_t trackIndex) const;
  
  virtual Bool_t GetStoreMotherIndex() const { return fStoreMotherIndex; };
  virtual void SetStoreMotherIndex(Bool_t newValue) { fStoreMotherIndex = newValue; };
  
  virtual Int_t GetV0motherIndex(Int_t trackIndex) const;
  
  virtual Double_t GetPhiPrime(Double_t phi, Double_t magField, Int_t charge) const;
  virtual Bool_t PhiPrimeCut(const AliVTrack* track, Double_t magField) const;
  virtual Bool_t PhiPrimeCut(Double_t trackPt, Double_t trackPhi, Short_t trackCharge, Double_t magField) const;
  virtual Float_t GetDeltaTOF(const AliVTrack *track, const AliTOFPIDResponse* tofPIDresponse, const Double_t* times, 
                              AliPID::EParticleType type) const;
  
  static Double_t GetCutGeo() { return fgCutGeo; };
  static Double_t GetCutNcr() { return fgCutNcr; };
  static Double_t GetCutNcl() { return fgCutNcl; };
  
  static void SetCutGeo(Double_t value) { fgCutGeo = value; };
  static void SetCutNcr(Double_t value) { fgCutNcr = value; };
  static void SetCutNcl(Double_t value) { fgCutNcl = value; };
  
  static Bool_t TPCCutMIGeo(const AliVTrack* track, const AliVEvent* evt, TTreeStream* streamer = 0x0);
  static Bool_t TPCCutMIGeo(const AliVTrack* track, const AliInputEventHandler* evtHandler, TTreeStream* streamer = 0x0)
    { if (!evtHandler) return kFALSE; return TPCCutMIGeo(track, evtHandler->GetEvent(), streamer); };
  
  static UShort_t GetCutPureNcl() { return fgCutPureNcl; };
  static void SetCutPureNcl(UShort_t value) { fgCutPureNcl = value; };
  
  static Bool_t TPCnclCut(const AliVTrack* track);
  
 protected:
  void FillV0PIDlist(AliESDEvent* esdEvent = 0x0);
  void ClearV0PIDlist();
  
  static Double_t fgCutGeo;   // Cut variable for TPCCutMIGeo concerning geometry
  static Double_t fgCutNcr; // Cut variable for TPCCutMIGeo concerning num crossed rows
  static Double_t fgCutNcl;  // Cut variable for TPCCutMIGeo concerning num clusters
  
  static UShort_t fgCutPureNcl; // Cut variable for TPCnclCut
  
  AliVEvent   *fEvent;    //! VEvent object
  AliESDEvent *fESD;      //! ESDEvent object, if ESD
  AliMCEvent  *fMC;       //! MC object

  AliPIDResponse *fPIDResponse;    //! PID response Handler
  AliESDv0KineCuts *fV0KineCuts;       //! ESD V0 kine cuts
  
  Bool_t fIsPbpOrpPb;       // Pbp/pPb collision or something else?
  Bool_t fUsePhiCut;        // Use cut on phi (useful for TPC)
  TPCcutType fTPCcutType;   // Type of TPC cut to be used
  Double_t fZvtxCutEvent;   // Vertex z cut for the event (cm)
  Double_t fEtaCut;         // Eta cut
  
  TF1* fPhiCutLow;          // phi prime cut, low
  TF1* fPhiCutHigh;         // phi prime cut, high
  
  TRandom3* fRandom;        //! Can be used to statistically determine the shape in the pt bins e.g.
  
  AliAnalysisFilter* fTrackFilter; // Track Filter
  

  Int_t fNumTagsStored;     // Number of entries of fV0tags
  Char_t* fV0tags;         //! Pointer to array with tags for identified particles from V0 decays
  
  Bool_t fStoreMotherIndex; // Switch on/off storing the mother indices of V0 daughters
  Int_t* fV0motherIndex; //! Pointer to array with index of the mother V0
  
 private:
  
  AliTPCPIDBase(const AliTPCPIDBase&); // not implemented
  AliTPCPIDBase& operator=(const AliTPCPIDBase&); // not implemented
  
  ClassDef(AliTPCPIDBase, 1);
};


inline Float_t AliTPCPIDBase::GetDeltaTOF(const AliVTrack *track, const AliTOFPIDResponse* tofPIDresponse,
                                                     const Double_t* times, AliPID::EParticleType type) const
{
  return (track->GetTOFsignal() - tofPIDresponse->GetStartTime(track->P()) - times[type]);
}

#endif
Commit	Line	Data
88b71b9f	1	#ifndef ALITPCPIDBASE_H
	2	#define ALITPCPIDBASE_H
	3
	4	/*
	5	This class is a base class for all other
	6	analysis tasks that use V0's.
	7	It provides basics for V0 identification.
	8	In addition, some further basic functions are provided.
	9
	10	Class written by Benjamin Hess.
	11	Contact: bhess@cern.ch
	12	*/
	13
	14	class TF1;
	15	class TRandom3;
	16	class TObjArray;
	17	class AliVEvent;
	18	class AliESDEvent;
	19	class AliMCEvent;
	20	class AliPIDResponse;
	21	class AliESDv0KineCuts;
	22	class AliPID;
	23	class AliAnalysisFilter;
	24	class AliVTrack;
	25
	26	#include <TTreeStream.h>
	27	#include "AliInputEventHandler.h"
	28	#include "AliTOFPIDResponse.h"
	29	#include "AliAnalysisTaskSE.h"
	30
	31	class AliTPCPIDBase : public AliAnalysisTaskSE {
	32	public:
	33	enum TPCcutType { kNoCut = 0, kTPCCutMIGeo = 1, kTPCnclCut = 2 };
	34	AliTPCPIDBase();
	35	AliTPCPIDBase(const char *name);
	36	virtual ~AliTPCPIDBase();
	37
	38	virtual void UserCreateOutputObjects();
	39	virtual void UserExec(Option_t *option);
	40	virtual void Terminate(const Option_t*);
	41
	42	virtual Bool_t GetVertexIsOk(AliVEvent* event, Bool_t doVtxZcut = kTRUE) const;
	43
	44	virtual Bool_t GetIsPbpOrpPb() const { return fIsPbpOrpPb; };
	45	virtual void SetIsPbpOrpPb(Bool_t newValue) { fIsPbpOrpPb = newValue; };
	46
	47	virtual Double_t GetZvtxCutEvent() const { return fZvtxCutEvent; };
	48	virtual void SetZvtxCutEvent(Double_t newValue) { fZvtxCutEvent = newValue; };
	49
	50	virtual Bool_t GetUsePhiCut() const { return fUsePhiCut; };
	51	virtual void SetUsePhiCut(Bool_t newValue) { fUsePhiCut = newValue; };
	52
	53	virtual TPCcutType GetTPCcutType() const { return fTPCcutType; };
	54	virtual Bool_t GetUseTPCCutMIGeo() const { return (fTPCcutType == kTPCCutMIGeo); };
	55	virtual Bool_t GetUseTPCnclCut() const { return (fTPCcutType == kTPCnclCut); };
	56
	57	virtual void SetTPCcutType(TPCcutType newType) { fTPCcutType = newType; };
	58
	59	virtual Double_t GetEtaCut() const { return fEtaCut; };
	60	virtual void SetEtaCut(Double_t etaCut){ fEtaCut = etaCut; };
	61
	62	virtual const AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; };
	63	virtual void SetTrackFilter(AliAnalysisFilter* trackF) {fTrackFilter = trackF;}
	64
65	virtual Char_t GetV0tag(Int_t trackIndex) const;
66
67	virtual Bool_t GetStoreMotherIndex() const { return fStoreMotherIndex; };
68	virtual void SetStoreMotherIndex(Bool_t newValue) { fStoreMotherIndex = newValue; };
69
70	virtual Int_t GetV0motherIndex(Int_t trackIndex) const;
71
72	virtual Double_t GetPhiPrime(Double_t phi, Double_t magField, Int_t charge) const;
73	virtual Bool_t PhiPrimeCut(const AliVTrack* track, Double_t magField) const;
74	virtual Bool_t PhiPrimeCut(Double_t trackPt, Double_t trackPhi, Short_t trackCharge, Double_t magField) const;
75	virtual Float_t GetDeltaTOF(const AliVTrack track, const AliTOFPIDResponse tofPIDresponse, const Double_t* times,
76	AliPID::EParticleType type) const;
77
78	static Double_t GetCutGeo() { return fgCutGeo; };
79	static Double_t GetCutNcr() { return fgCutNcr; };
80	static Double_t GetCutNcl() { return fgCutNcl; };
81
82	static void SetCutGeo(Double_t value) { fgCutGeo = value; };
83	static void SetCutNcr(Double_t value) { fgCutNcr = value; };
84	static void SetCutNcl(Double_t value) { fgCutNcl = value; };
85
86	static Bool_t TPCCutMIGeo(const AliVTrack* track, const AliVEvent* evt, TTreeStream* streamer = 0x0);
87	static Bool_t TPCCutMIGeo(const AliVTrack* track, const AliInputEventHandler* evtHandler, TTreeStream* streamer = 0x0)
88	{ if (!evtHandler) return kFALSE; return TPCCutMIGeo(track, evtHandler->GetEvent(), streamer); };
89
90	static UShort_t GetCutPureNcl() { return fgCutPureNcl; };
91	static void SetCutPureNcl(UShort_t value) { fgCutPureNcl = value; };
92
93	static Bool_t TPCnclCut(const AliVTrack* track);
94
95	protected:
caa5a9ed	96	void FillV0PIDlist(AliESDEvent* esdEvent = 0x0);
	97	void ClearV0PIDlist();
	98
88b71b9f	99	static Double_t fgCutGeo; // Cut variable for TPCCutMIGeo concerning geometry
	100	static Double_t fgCutNcr; // Cut variable for TPCCutMIGeo concerning num crossed rows
	101	static Double_t fgCutNcl; // Cut variable for TPCCutMIGeo concerning num clusters
	102
	103	static UShort_t fgCutPureNcl; // Cut variable for TPCnclCut
	104
	105	AliVEvent *fEvent; //! VEvent object
	106	AliESDEvent *fESD; //! ESDEvent object, if ESD
	107	AliMCEvent *fMC; //! MC object
	108
	109	AliPIDResponse *fPIDResponse; //! PID response Handler
	110	AliESDv0KineCuts *fV0KineCuts; //! ESD V0 kine cuts
	111
	112	Bool_t fIsPbpOrpPb; // Pbp/pPb collision or something else?
	113	Bool_t fUsePhiCut; // Use cut on phi (useful for TPC)
	114	TPCcutType fTPCcutType; // Type of TPC cut to be used
	115	Double_t fZvtxCutEvent; // Vertex z cut for the event (cm)
	116	Double_t fEtaCut; // Eta cut
	117
	118	TF1* fPhiCutLow; // phi prime cut, low
	119	TF1* fPhiCutHigh; // phi prime cut, high
	120
	121	TRandom3* fRandom; //! Can be used to statistically determine the shape in the pt bins e.g.
	122
	123	AliAnalysisFilter* fTrackFilter; // Track Filter
	124
	125
	126	Int_t fNumTagsStored; // Number of entries of fV0tags
	127	Char_t* fV0tags; //! Pointer to array with tags for identified particles from V0 decays
	128
	129	Bool_t fStoreMotherIndex; // Switch on/off storing the mother indices of V0 daughters
	130	Int_t* fV0motherIndex; //! Pointer to array with index of the mother V0
	131
	132	private:
88b71b9f	133
	134	AliTPCPIDBase(const AliTPCPIDBase&); // not implemented
	135	AliTPCPIDBase& operator=(const AliTPCPIDBase&); // not implemented
	136
	137	ClassDef(AliTPCPIDBase, 1);
	138	};
	139
	140
	141
	142	inline Float_t AliTPCPIDBase::GetDeltaTOF(const AliVTrack track, const AliTOFPIDResponse tofPIDresponse,
	143	const Double_t* times, AliPID::EParticleType type) const
	144	{
	145	return (track->GetTOFsignal() - tofPIDresponse->GetStartTime(track->P()) - times[type]);
	146	}
	147
	148	#endif