[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:
 *
 * $Log$
 */

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