[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 1.48  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(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
  AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm);

  virtual ~ AliPHOSTrackSegmentMakerv1() ; // 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() 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 void   SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;} 
  //  virtual void   SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
  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 ; 
  }
  void Unload() ;

private:

  const TString BranchName() const ; 
  Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSCpvRecPoint * Cpv , Int_t & track ) const ; // see R0
  void PropagateToPlane(TVector3& globalIntersection,
			Double_t *x, Double_t *p,
			const char *det, Int_t module) const;
  void    Init() ;
  void    InitParameters() ;
  void    PrintTrackSegments(Option_t *option) ;
  virtual void   WriteTrackSegments() ;

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   

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

  ClassDef( AliPHOSTrackSegmentMakerv1,3)  // 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 1.48 2006/08/28 10:01:56 kharlov
	11	* Effective C++ warnings fixed (Timur Pocheptsov)
	12	*
	13	* Revision 1.47 2005/11/17 12:35:27 hristov
	14	* Use references instead of objects. Avoid to create objects when they are not really needed
	15	*
	16	* Revision 1.46 2005/05/28 14:19:05 schutz
	17	* Compilation warnings fixed by T.P.
	18	*
	19	*/
	20
	21	//_________________________________________________________________________
	22	// Implementation version 1 of algorithm class to construct PHOS track segments
	23	// Associates EMC and CPV lusters
	24	// Unfolds the EMC cluster
	25	//
	26	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
	27
	28	// --- ROOT system ---
	29	#include <TVector3.h>
	30
	31	// --- Standard library ---
	32
	33	// --- AliRoot header files ---
	34	#include "AliPHOSTrackSegmentMaker.h"
	35
	36	class AliPHOSEmcRecPoint ;
	37	class AliPHOSCpvRecPoint ;
	38	class TClonesArray;
	39
	40	class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
	41
	42	public:
	43
	44	AliPHOSTrackSegmentMakerv1() ;
	45	AliPHOSTrackSegmentMakerv1(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
	46	AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm);
	47
	48	virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
	49
	50	// virtual char* GetRecPointsBranch (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
	51	// virtual char* GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
	52	virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}
	53
	54	virtual void Exec(Option_t *option); // Does the job
	55	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
	56
	57	void MakeLinks() const; //Evaluates distances(links) between EMC and CPV
	58	void MakePairs() ; //Finds pairs(triplets) with smallest link
	59	virtual void Print(const Option_t * = "") const ;
	60	//Switch to "on flyght" mode, without writing to TreeR and file
	61	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
	62	virtual void SetMaxEmcCPVDistance(Float_t r){ fRcpv = r ;} //Maximal distance (in PHOS plane)
	63	//between EMCrp and CPVrp
	64	virtual void SetMaxCPVTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
	65	//between EMCrp and extrapolation of TPC track
	66	// virtual void SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;}
	67	// virtual void SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
	68	virtual const char * Version() const { return "tsm-v1" ; }
	69
	70	AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & ) {
	71	// assignement operator requested by coding convention but not needed
	72	Fatal("operator =", "not implemented") ;
	73	return *this ;
	74	}
	75	void Unload() ;
	76
	77	private:
	78
	79	const TString BranchName() const ;
	80	Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSCpvRecPoint * Cpv , Int_t & track ) const ; // see R0
	81	void PropagateToPlane(TVector3& globalIntersection,
	82	Double_t x, Double_t p,
	83	const char *det, Int_t module) const;
	84	void Init() ;
	85	void InitParameters() ;
	86	void PrintTrackSegments(Option_t *option) ;
	87	virtual void WriteTrackSegments() ;
	88
	89	private:
	90
	91	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
	92	Bool_t fWrite ; // Write Tracks to TreeT
	93
	94	Int_t fNTrackSegments ; // number of track segments found
	95
	96	Float_t fRcpv ; // Maximum distance between a EMC RecPoint and a CPV RecPoint
	97	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
	98
	99	TClonesArray * fLinkUpArray ; //!
	100	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
	101	Int_t fEmcLast ; //!
	102	Int_t fCpvFirst; //! Cpv upper layer
	103	Int_t fCpvLast; //!
	104	Int_t fModule ; //! number of module being processed
	105	Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run
	106
	107	ClassDef( AliPHOSTrackSegmentMakerv1,3) // Implementation version 1 of algorithm class to make PHOS track segments
	108
	109	};
	110
	111	#endif // AliPHOSTRACKSEGMENTMAKERV1_H