[u/mrichter/AliRoot.git] / STEER / AliTrackResiduals.h

#ifndef ALITRACKRESIDUALS_H
#define ALITRACKRESIDUALS_H

//************************************************************************
// AliTrackResiduals: base class for collecting the track space point    *
// residuals produced by the fast track fitters (AliTrackFitter class).  *
// It provides an interface to the arrays which contain the space points *
// and track extrapolation points within the detector volume to be       *
// aligned. The derived classes should implement method to analyze the   *
// track residuals and minimize their sum in order to get the            *
// AliAlignObj for the given detector volume.                            *
//************************************************************************

#include "TObject.h"

class AliAlignObj;
class AliTrackPointArray;

class AliTrackResiduals : public TObject {

 public:

  AliTrackResiduals();
  AliTrackResiduals(Int_t ntracks, AliAlignObj *alignobj);
  AliTrackResiduals(const AliTrackResiduals &res);
  AliTrackResiduals& operator= (const AliTrackResiduals& res);
  virtual ~AliTrackResiduals();

  void   SetNTracks(Int_t ntracks);
  void   SetAlignObj(AliAlignObj *alignobj) { fAlignObj = alignobj; }
  Bool_t AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray);

  virtual Bool_t Minimize() = 0;

  Int_t  GetNTracks() const { return fN; }
  Int_t  GetNFilledTracks() const { return fLast; }
  Bool_t GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const;
  AliAlignObj *GetAlignObj() const { return fAlignObj; }

 protected:

  void DeleteTrackPointArrays();

  Int_t              fN;            // Number of tracks
  Int_t              fLast;         // Index of the last filled track arrays
  AliAlignObj        *fAlignObj;    // Pointer to the volume alignment object to be fitted
  AliTrackPointArray **fVolArray;   //! Pointers to the arrays containing space points
  AliTrackPointArray **fTrackArray; //! Pointers to the arrays containing track extrapolation points
  Bool_t             fIsOwner;      // Track point arrays owned by the object

  ClassDef(AliTrackResiduals,1)

};

#endif
Commit	Line	Data
98937d93	1	#ifndef ALITRACKRESIDUALS_H
	2	#define ALITRACKRESIDUALS_H
	3
	4	//************************************************************************
	5	// AliTrackResiduals: base class for collecting the track space point *
	6	// residuals produced by the fast track fitters (AliTrackFitter class). *
	7	// It provides an interface to the arrays which contain the space points *
	8	// and track extrapolation points within the detector volume to be *
	9	// aligned. The derived classes should implement method to analyze the *
	10	// track residuals and minimize their sum in order to get the *
	11	// AliAlignObj for the given detector volume. *
	12	//************************************************************************
	13
	14	#include "TObject.h"
	15
	16	class AliAlignObj;
	17	class AliTrackPointArray;
	18
	19	class AliTrackResiduals : public TObject {
	20
	21	public:
	22
	23	AliTrackResiduals();
	24	AliTrackResiduals(Int_t ntracks, AliAlignObj *alignobj);
	25	AliTrackResiduals(const AliTrackResiduals &res);
	26	AliTrackResiduals& operator= (const AliTrackResiduals& res);
	27	virtual ~AliTrackResiduals();
	28
	29	void SetNTracks(Int_t ntracks);
	30	void SetAlignObj(AliAlignObj *alignobj) { fAlignObj = alignobj; }
	31	Bool_t AddTrackPointArrays(AliTrackPointArray volarray, AliTrackPointArray trackarray);
	32
	33	virtual Bool_t Minimize() = 0;
	34
	35	Int_t GetNTracks() const { return fN; }
	36	Int_t GetNFilledTracks() const { return fLast; }
	37	Bool_t GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const;
	38	AliAlignObj *GetAlignObj() const { return fAlignObj; }
	39
	40	protected:
	41
	42	void DeleteTrackPointArrays();
	43
	44	Int_t fN; // Number of tracks
	45	Int_t fLast; // Index of the last filled track arrays
	46	AliAlignObj *fAlignObj; // Pointer to the volume alignment object to be fitted
	47	AliTrackPointArray **fVolArray; //! Pointers to the arrays containing space points
	48	AliTrackPointArray **fTrackArray; //! Pointers to the arrays containing track extrapolation points
	49	Bool_t fIsOwner; // Track point arrays owned by the object
	50
	51	ClassDef(AliTrackResiduals,1)
	52
	53	};
	54
	55	#endif