[u/mrichter/AliRoot.git] / PHOS / AliPHOSTrackSegmentMakerv1.h

#ifndef ALIPHOSTRACKSEGMENTMAKERV1_H
#define ALIPHOSTRACKSEGMENTMAKERV1_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 1.51  2007/03/28 19:18:15  kharlov
 * RecPoints recalculation in TSM removed
 *
 * 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)

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

// --- Standard library ---

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

class AliPHOSEmcRecPoint ;
class AliPHOSCpvRecPoint ;
class TClonesArray;

class  AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {

public:

  AliPHOSTrackSegmentMakerv1() ;                     
  AliPHOSTrackSegmentMakerv1(AliPHOSGeometry *geom);
  AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm);

  virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
  
  virtual void   Clusters2TrackSegments(Option_t *option); // Does the job
          void   FillOneModule() ;       // Finds range in which RecPoints belonging current PHOS module are

          void   MakeLinks() const;      //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   SetMaxEmcCPVDistance(Float_t r){ fRcpv = r ;} //Maximal distance (in PHOS plane) 
                                                               //between EMCrp and CPVrp
  virtual void   SetMaxCPVTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance 
                                                               //between EMCrp and extrapolation of TPC track
  virtual const char * Version() const { return "tsm-v1" ; }  

  AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & )  {
    // 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 , AliPHOSCpvRecPoint * Cpv, 
                               Int_t & track, Float_t &dx, Float_t &dz ) const ; // see R0
  void    Init() ;
  void    InitParameters() ;
  void    PrintTrackSegments(Option_t *option) ;
 

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

  TClonesArray * fLinkUpArray  ;  //!
  Int_t fEmcFirst;     //! Index of first EMC RecPoint belonging to currect PHOS module
  Int_t fEmcLast ;     //!
  Int_t fCpvFirst;     //! Cpv upper layer     
  Int_t fCpvLast;      //! 
  Int_t fModule ;      //! number of module being processed

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

  ClassDef( AliPHOSTrackSegmentMakerv1,4)  // Implementation version 1 of algorithm class to make PHOS track segments 

 };

#endif // AliPHOSTRACKSEGMENTMAKERV1_H
Commit	Line	Data
	1	#ifndef ALIPHOSTRACKSEGMENTMAKERV1_H
	2	#define ALIPHOSTRACKSEGMENTMAKERV1_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	* $Log$
	10	* Revision 1.51 2007/03/28 19:18:15 kharlov
	11	* RecPoints recalculation in TSM removed
	12	*
	13	* Revision 1.50 2007/03/06 06:54:48 kharlov
	14	* DP:Calculation of cluster properties dep. on vertex added
	15	*
	16	* Revision 1.49 2007/02/01 13:59:11 hristov
	17	* Forward declaration
	18	*
	19	* Revision 1.48 2006/08/28 10:01:56 kharlov
	20	* Effective C++ warnings fixed (Timur Pocheptsov)
	21	*
	22	* Revision 1.47 2005/11/17 12:35:27 hristov
	23	* Use references instead of objects. Avoid to create objects when they are not really needed
	24	*
	25	* Revision 1.46 2005/05/28 14:19:05 schutz
	26	* Compilation warnings fixed by T.P.
	27	*
	28	*/
	29
	30	//_________________________________________________________________________
	31	// Implementation version 1 of algorithm class to construct PHOS track segments
	32	// Associates EMC and CPV lusters
	33	// Unfolds the EMC cluster
	34	//
	35	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
	36
	37	// --- ROOT system ---
	38	#include <TVector3.h>
	39
	40	// --- Standard library ---
	41
	42	// --- AliRoot header files ---
	43	#include "AliPHOSTrackSegmentMaker.h"
	44
	45	class AliPHOSEmcRecPoint ;
	46	class AliPHOSCpvRecPoint ;
	47	class TClonesArray;
	48
	49	class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
	50
	51	public:
	52
	53	AliPHOSTrackSegmentMakerv1() ;
	54	AliPHOSTrackSegmentMakerv1(AliPHOSGeometry *geom);
	55	AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm);
	56
	57	virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
	58
	59	virtual void Clusters2TrackSegments(Option_t *option); // Does the job
	60	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
	61
	62	void MakeLinks() const; //Evaluates distances(links) between EMC and CPV
	63	void MakePairs() ; //Finds pairs(triplets) with smallest link
	64	virtual void Print(const Option_t * = "") const ;
	65	//Switch to "on flyght" mode, without writing to TreeR and file
	66	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
	67	virtual void SetMaxEmcCPVDistance(Float_t r){ fRcpv = r ;} //Maximal distance (in PHOS plane)
	68	//between EMCrp and CPVrp
	69	virtual void SetMaxCPVTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
	70	//between EMCrp and extrapolation of TPC track
	71	virtual const char * Version() const { return "tsm-v1" ; }
	72
	73	AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & ) {
	74	// assignement operator requested by coding convention but not needed
	75	Fatal("operator =", "not implemented") ;
	76	return *this ;
	77	}
	78
	79	virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; }
	80
	81	private:
	82
	83	void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSCpvRecPoint * Cpv,
	84	Int_t & track, Float_t &dx, Float_t &dz ) const ; // see R0
	85	void Init() ;
	86	void InitParameters() ;
	87	void PrintTrackSegments(Option_t *option) ;
	88
	89
	90	private:
	91
	92	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
	93	Bool_t fWrite ; // Write Tracks to TreeT
	94
	95	Int_t fNTrackSegments ; // number of track segments found
	96
	97	Float_t fRcpv ; // Maximum distance between a EMC RecPoint and a CPV RecPoint
	98	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
	99
	100	TVector3 fVtx ; //! Vertex in current position
	101
	102	TClonesArray * fLinkUpArray ; //!
	103	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
	104	Int_t fEmcLast ; //!
	105	Int_t fCpvFirst; //! Cpv upper layer
	106	Int_t fCpvLast; //!
	107	Int_t fModule ; //! number of module being processed
	108
	109	TClonesArray * fTrackSegments; // Array with found track-segments
	110
	111	ClassDef( AliPHOSTrackSegmentMakerv1,4) // Implementation version 1 of algorithm class to make PHOS track segments
	112
	113	};
	114
	115	#endif // AliPHOSTRACKSEGMENTMAKERV1_H