[u/mrichter/AliRoot.git] / PHOS / AliPHOSTrackSegmentMakerv2.h

#ifndef ALIPHOSTRACKSEGMENTMAKERV2_H
#define ALIPHOSTRACKSEGMENTMAKERV2_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */
/* History of cvs commits:
 *
 * $Log$
 * Revision 1.3  2007/04/25 19:39:42  kharlov
 * Track extracpolation improved
 *
 * Revision 1.2  2007/04/01 19:16:52  kharlov
 * D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
 *
 * Revision 1.50  2007/03/06 06:54:48  kharlov
 * DP:Calculation of cluster properties dep. on vertex added
 *
 * Revision 1.49  2007/02/01 13:59:11  hristov
 * Forward declaration
 *
 * Revision 1.48  2006/08/28 10:01:56  kharlov
 * Effective C++ warnings fixed (Timur Pocheptsov)
 *
 * Revision 1.47  2005/11/17 12:35:27  hristov
 * Use references instead of objects. Avoid to create objects when they are not really needed
 *
 * Revision 1.46  2005/05/28 14:19:05  schutz
 * Compilation warnings fixed by T.P.
 *
 */

//_________________________________________________________________________
// Implementation version 1 of algorithm class to construct PHOS track segments
// Associates EMC and CPV lusters
// Unfolds the EMC cluster   
//                  
//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
#include <vector>

// --- ROOT system ---
#include <TVector3.h>

// --- Standard library ---

// --- AliRoot header files ---
#include "AliPHOSTrackSegmentMaker.h"

class AliPHOSEmcRecPoint ;
class AliPHOSCpvRecPoint ;
class AliESDtrack ;
class TClonesArray;

class  AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {

public:

  AliPHOSTrackSegmentMakerv2() ;                     
  AliPHOSTrackSegmentMakerv2(AliPHOSGeometry *geom);
  AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);

  virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
  
  virtual void   Clusters2TrackSegments(Option_t *option); // Does the job
          void   FillOneModule() ;       // Finds range in which RecPoints belonging current PHOS module are

          void   MakeLinks() ;           //Evaluates distances(links) between EMC and CPV
          void   MakePairs() ;           //Finds pairs(triplets) with smallest link
  virtual void   Print(const Option_t * = "") const ;
  //Switch to "on flyght" mode, without writing to TreeR and file  
  void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;} 
  virtual void   SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance 
                                                               //between EMCrp and extrapolation of TPC track
 virtual const char * Version() const { return "tsm-v2" ; }  

  AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & )  {
    // assignement operator requested by coding convention but not needed
    Fatal("operator =", "not implemented") ;
    return *this ; 
  }

  virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; }

private:

  void  GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
                               Float_t &dx, Float_t &dz ) const ; // see R0
  void    Init() ;
  void    InitParameters() ;
  void    PrintTrackSegments(Option_t *option) ;

protected: 
  struct TrackInPHOS_t {
     AliESDtrack* track ;
     Float_t      x ; //Raw X intersection coordinate
     Float_t      z ; //Raw Z intersection coordinate
  } ;

private:  

  Bool_t  fDefaultInit;               //! Says if the task was created by defaut ctor (only parameters are initialized)
  Bool_t  fWrite ;                   // Write Tracks to TreeT  
 
  Int_t fNTrackSegments ; // number of track segments found 

  Float_t fRtpc ;        // Maximum distance between a EMC RecPoint and extrapolation of a TPC track   
  
  TVector3 fVtx ;        //! Vertex in current position

  TClonesArray * fLinkUpArray  ;  //!
  std::vector<TrackInPHOS_t> fTPCtracks[5];  //!
  Int_t fNtpcTracks[5] ;  //!
  Int_t fEmcFirst;     //! Index of first EMC RecPoint belonging to currect PHOS module
  Int_t fEmcLast ;     //!
  Int_t fModule ;      //! number of module being processed

  TClonesArray * fTrackSegments; // Array with found track-segments

  ClassDef( AliPHOSTrackSegmentMakerv2,2)  // Implementation version 1 of algorithm class to make PHOS track segments 

 };

#endif // AliPHOSTRACKSEGMENTMAKERV2_H
Commit	Line	Data
861b23c3	1	#ifndef ALIPHOSTRACKSEGMENTMAKERV2_H
	2	#define ALIPHOSTRACKSEGMENTMAKERV2_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7	/* History of cvs commits:
	8	*
	9	* $Log$
9a2cdbdf	10	* Revision 1.3 2007/04/25 19:39:42 kharlov
	11	* Track extracpolation improved
	12	*
c978a69b	13	* Revision 1.2 2007/04/01 19:16:52 kharlov
	14	* D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
	15	*
861b23c3	16	* Revision 1.50 2007/03/06 06:54:48 kharlov
	17	* DP:Calculation of cluster properties dep. on vertex added
	18	*
	19	* Revision 1.49 2007/02/01 13:59:11 hristov
	20	* Forward declaration
	21	*
	22	* Revision 1.48 2006/08/28 10:01:56 kharlov
	23	* Effective C++ warnings fixed (Timur Pocheptsov)
	24	*
	25	* Revision 1.47 2005/11/17 12:35:27 hristov
	26	* Use references instead of objects. Avoid to create objects when they are not really needed
	27	*
	28	* Revision 1.46 2005/05/28 14:19:05 schutz
	29	* Compilation warnings fixed by T.P.
	30	*
	31	*/
	32
	33	//_________________________________________________________________________
	34	// Implementation version 1 of algorithm class to construct PHOS track segments
	35	// Associates EMC and CPV lusters
	36	// Unfolds the EMC cluster
	37	//
	38	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
c978a69b	39	#include <vector>
861b23c3	40
	41	// --- ROOT system ---
	42	#include <TVector3.h>
	43
	44	// --- Standard library ---
	45
	46	// --- AliRoot header files ---
	47	#include "AliPHOSTrackSegmentMaker.h"
	48
	49	class AliPHOSEmcRecPoint ;
	50	class AliPHOSCpvRecPoint ;
	51	class AliESDtrack ;
	52	class TClonesArray;
	53
	54	class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {
	55
	56	public:
	57
	58	AliPHOSTrackSegmentMakerv2() ;
9a2cdbdf	59	AliPHOSTrackSegmentMakerv2(AliPHOSGeometry *geom);
861b23c3	60	AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);
	61
	62	virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
	63
9a2cdbdf	64	virtual void Clusters2TrackSegments(Option_t *option); // Does the job
861b23c3	65	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
861b23c3	66
c978a69b	67	void MakeLinks() ; //Evaluates distances(links) between EMC and CPV
861b23c3	68	void MakePairs() ; //Finds pairs(triplets) with smallest link
	69	virtual void Print(const Option_t * = "") const ;
	70	//Switch to "on flyght" mode, without writing to TreeR and file
	71	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
	72	virtual void SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
	73	//between EMCrp and extrapolation of TPC track
9a2cdbdf	74	virtual const char * Version() const { return "tsm-v2" ; }
861b23c3	75
	76	AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) {
	77	// assignement operator requested by coding convention but not needed
	78	Fatal("operator =", "not implemented") ;
	79	return *this ;
	80	}
9a2cdbdf	81
9a2cdbdf	82	virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; }
861b23c3	83
	84	private:
	85
861b23c3	86	void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
	87	Float_t &dx, Float_t &dz ) const ; // see R0
	88	void Init() ;
	89	void InitParameters() ;
	90	void PrintTrackSegments(Option_t *option) ;
861b23c3	91
c978a69b	92	protected:
	93	struct TrackInPHOS_t {
	94	AliESDtrack* track ;
	95	Float_t x ; //Raw X intersection coordinate
	96	Float_t z ; //Raw Z intersection coordinate
	97	} ;
	98
861b23c3	99	private:
	100
	101	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
	102	Bool_t fWrite ; // Write Tracks to TreeT
	103
	104	Int_t fNTrackSegments ; // number of track segments found
	105
	106	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
	107
	108	TVector3 fVtx ; //! Vertex in current position
	109
	110	TClonesArray * fLinkUpArray ; //!
c978a69b	111	std::vector<TrackInPHOS_t> fTPCtracks[5]; //!
c978a69b	112	Int_t fNtpcTracks[5] ; //!
861b23c3	113	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
	114	Int_t fEmcLast ; //!
	115	Int_t fModule ; //! number of module being processed
861b23c3	116
9a2cdbdf	117	TClonesArray * fTrackSegments; // Array with found track-segments
	118
	119	ClassDef( AliPHOSTrackSegmentMakerv2,2) // Implementation version 1 of algorithm class to make PHOS track segments
861b23c3	120
	121	};
	122
	123	#endif // AliPHOSTRACKSEGMENTMAKERV2_H