[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 1.2  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(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
  AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);

  virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
  
  //  virtual char*  GetRecPointsBranch    (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
  //  virtual char*  GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
  virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}  

  virtual void   Exec(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 void   SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;} 
  //  virtual void   SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
  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 ; 
  }
  void Unload() ;

private:

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

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
  Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run

  ClassDef( AliPHOSTrackSegmentMakerv2,1)  // 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	* $Log$
c978a69b	10	* Revision 1.2 2007/04/01 19:16:52 kharlov
	11	* D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
	12	*
861b23c3	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)
c978a69b	36	#include <vector>
861b23c3	37
	38	// --- ROOT system ---
	39	#include <TVector3.h>
	40
	41	// --- Standard library ---
	42
	43	// --- AliRoot header files ---
	44	#include "AliPHOSTrackSegmentMaker.h"
	45
	46	class AliPHOSEmcRecPoint ;
	47	class AliPHOSCpvRecPoint ;
	48	class AliESDtrack ;
	49	class TClonesArray;
	50
	51	class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {
	52
	53	public:
	54
	55	AliPHOSTrackSegmentMakerv2() ;
	56	AliPHOSTrackSegmentMakerv2(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
	57	AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);
	58
	59	virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
	60
	61	// virtual char* GetRecPointsBranch (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
	62	// virtual char* GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
	63	virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}
	64
	65	virtual void Exec(Option_t *option); // Does the job
	66	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
	67
c978a69b	68	void MakeLinks() ; //Evaluates distances(links) between EMC and CPV
861b23c3	69	void MakePairs() ; //Finds pairs(triplets) with smallest link
	70	virtual void Print(const Option_t * = "") const ;
	71	//Switch to "on flyght" mode, without writing to TreeR and file
	72	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
	73	virtual void SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
	74	//between EMCrp and extrapolation of TPC track
	75	// virtual void SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;}
	76	// virtual void SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
	77	virtual const char * Version() const { return "tsm-v2" ; }
	78
	79	AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) {
	80	// assignement operator requested by coding convention but not needed
	81	Fatal("operator =", "not implemented") ;
	82	return *this ;
	83	}
	84	void Unload() ;
	85
	86	private:
	87
	88	const TString BranchName() const ;
	89	void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
	90	Float_t &dx, Float_t &dz ) const ; // see R0
	91	void Init() ;
	92	void InitParameters() ;
	93	void PrintTrackSegments(Option_t *option) ;
	94	virtual void WriteTrackSegments() ;
861b23c3	95
c978a69b	96	protected:
	97	struct TrackInPHOS_t {
	98	AliESDtrack* track ;
	99	Float_t x ; //Raw X intersection coordinate
	100	Float_t z ; //Raw Z intersection coordinate
	101	} ;
	102
861b23c3	103	private:
	104
	105	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
	106	Bool_t fWrite ; // Write Tracks to TreeT
	107
	108	Int_t fNTrackSegments ; // number of track segments found
	109
	110	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
	111
	112	TVector3 fVtx ; //! Vertex in current position
	113
	114	TClonesArray * fLinkUpArray ; //!
c978a69b	115	std::vector<TrackInPHOS_t> fTPCtracks[5]; //!
c978a69b	116	Int_t fNtpcTracks[5] ; //!
861b23c3	117	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
	118	Int_t fEmcLast ; //!
	119	Int_t fModule ; //! number of module being processed
	120	Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run
	121
	122	ClassDef( AliPHOSTrackSegmentMakerv2,1) // Implementation version 1 of algorithm class to make PHOS track segments
	123
	124	};
	125
	126	#endif // AliPHOSTRACKSEGMENTMAKERV2_H