[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 1.46  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  AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {

public:

  AliPHOSTrackSegmentMakerv1() ;                     
  AliPHOSTrackSegmentMakerv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName());
  AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) : AliPHOSTrackSegmentMaker(tsm) {
    // cpy ctor: no implementation yet
    // requested by the Coding Convention
    Fatal("cpy ctor", "not implemented") ;
  }
  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 1.46 2005/05/28 14:19:05 schutz
	11	* Compilation warnings fixed by T.P.
	12	*
	13	*/
	14
	15	//_________________________________________________________________________
	16	// Implementation version 1 of algorithm class to construct PHOS track segments
	17	// Associates EMC and CPV lusters
	18	// Unfolds the EMC cluster
	19	//
	20	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
	21
	22	// --- ROOT system ---
	23	#include <TVector3.h>
	24
	25	// --- Standard library ---
	26
	27	// --- AliRoot header files ---
	28	#include "AliPHOSTrackSegmentMaker.h"
	29
	30	class AliPHOSEmcRecPoint ;
	31	class AliPHOSCpvRecPoint ;
	32
	33	class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
	34
	35	public:
	36
	37	AliPHOSTrackSegmentMakerv1() ;
	38	AliPHOSTrackSegmentMakerv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName());
	39	AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) : AliPHOSTrackSegmentMaker(tsm) {
	40	// cpy ctor: no implementation yet
	41	// requested by the Coding Convention
	42	Fatal("cpy ctor", "not implemented") ;
	43	}
	44	virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
	45
	46	// virtual char* GetRecPointsBranch (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
	47	// virtual char* GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
	48	virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}
	49
	50	virtual void Exec(Option_t *option); // Does the job
	51	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
	52
	53	void MakeLinks() const; //Evaluates distances(links) between EMC and CPV
	54	void MakePairs() ; //Finds pairs(triplets) with smallest link
	55	virtual void Print(const Option_t * = "") const ;
	56	//Switch to "on flyght" mode, without writing to TreeR and file
	57	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
	58	virtual void SetMaxEmcCPVDistance(Float_t r){ fRcpv = r ;} //Maximal distance (in PHOS plane)
	59	//between EMCrp and CPVrp
	60	virtual void SetMaxCPVTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
	61	//between EMCrp and extrapolation of TPC track
	62	// virtual void SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;}
	63	// virtual void SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
	64	virtual const char * Version() const { return "tsm-v1" ; }
	65
	66	AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & ) {
	67	// assignement operator requested by coding convention but not needed
	68	Fatal("operator =", "not implemented") ;
	69	return *this ;
	70	}
	71	void Unload() ;
	72
	73	private:
	74
	75	const TString BranchName() const ;
	76	Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSCpvRecPoint * Cpv , Int_t & track ) const ; // see R0
	77	void PropagateToPlane(TVector3& globalIntersection,
	78	Double_t x, Double_t p,
	79	const char *det, Int_t module) const;
	80	void Init() ;
	81	void InitParameters() ;
	82	void PrintTrackSegments(Option_t *option) ;
	83	virtual void WriteTrackSegments() ;
	84
	85	private:
	86
	87	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
	88	Bool_t fWrite ; // Write Tracks to TreeT
	89
	90	Int_t fNTrackSegments ; // number of track segments found
	91
	92	Float_t fRcpv ; // Maximum distance between a EMC RecPoint and a CPV RecPoint
	93	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
	94
	95	TClonesArray * fLinkUpArray ; //!
	96	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
	97	Int_t fEmcLast ; //!
	98	Int_t fCpvFirst; //! Cpv upper layer
	99	Int_t fCpvLast; //!
	100	Int_t fModule ; //! number of module being processed
	101	Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run
	102
	103	ClassDef( AliPHOSTrackSegmentMakerv1,3) // Implementation version 1 of algorithm class to make PHOS track segments
	104
	105	};
	106
	107	#endif // AliPHOSTRACKSEGMENTMAKERV1_H