[u/mrichter/AliRoot.git] / PHOS / PHOS-HTML / 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                               */

/* $Id$ */

//_________________________________________________________________________
// Implementation version 1 of algorithm class to construct PHOS track segments
// Associates EMC and PPSD clusters
// Unfolds the EMC cluster   
//                  
//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)

// --- ROOT system ---

// --- Standard library ---

// --- AliRoot header files ---

#include "TObjArray.h"
#include "AliPHOSClusterizer.h"
#include "AliPHOSEmcRecPoint.h"
#include "AliPHOSPpsdRecPoint.h"
#include "AliPHOSTrackSegmentMaker.h"
#include "TMinuit.h" 

class  AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {

public:

  AliPHOSTrackSegmentMakerv1() ;                     
  virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
  
  Bool_t  FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy, 
		  Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit
  void    FillOneModule(DigitsList * Dl, RecPointsList * emcIn, TObjArray * emcOut, RecPointsList * ppsdIn, 
			TObjArray * ppsdOutUp, TObjArray * ppsdOutLow, Int_t &PHOSModule, Int_t & emcStopedAt, 
			Int_t & ppsdStopedAt) ; // Unfolds clusters and fills temporary arrais   
  Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSPpsdRecPoint * Ppsd , Bool_t & TooFar ) ; // see R0

  void    MakeLinks(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, 
		    TClonesArray * LinkLowArray, TClonesArray *LinkUpArray) ; //Evaluates distances(links) between EMC and PPSD
  void    MakePairs(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, 
		    TClonesArray * LinkLowArray, TClonesArray * LinkUpArray, TrackSegmentsList * trsl) ; 
                    //Finds pairs(triplets) with smallest link
  void    MakeTrackSegments(DigitsList * DL, RecPointsList * emcl, RecPointsList * ppsdl, TrackSegmentsList * trsl ) ; // does the job
  virtual void SetMaxEmcPpsdDistance(Float_t r){ fR0 = r ;}
  virtual void    SetUnfoldFlag() { fUnfoldFlag = kTRUE ; } ; 
  static Double_t ShowerShape(Double_t r) ; // Shape of shower used in unfolding; class member function (not object member function)
  void  UnfoldClusters(DigitsList * DL, RecPointsList * emcIn, AliPHOSEmcRecPoint * iniEmc, Int_t Nmax, 
		         int * maxAt, Float_t * maxAtEnergy, TObjArray * emclist) ; //Unfolds overlaping clusters using TMinuit package
  virtual void UnsetUnfoldFlag() { fUnfoldFlag = kFALSE ; } 

private:

  Float_t fDelta ;     // parameter used for sorting
  TMinuit * fMinuit ;  // Minuit object needed by cluster unfolding
  Float_t fR0 ;        // Maximum distance between a EMC RecPoint and a PPSD RecPoint   
  Bool_t fUnfoldFlag ; // Directive to unfold or not the clusters in case of multiple maxima

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

};

#endif // AliPHOSTRACKSEGMENTMAKERV1_H
Commit	Line	Data
29c81279	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
	8	//_________________________________________________________________________
	9	// Implementation version 1 of algorithm class to construct PHOS track segments
	10	// Associates EMC and PPSD clusters
	11	// Unfolds the EMC cluster
	12	//
	13	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
	14
	15	// --- ROOT system ---
	16
	17	// --- Standard library ---
	18
	19	// --- AliRoot header files ---
	20
	21	#include "TObjArray.h"
	22	#include "AliPHOSClusterizer.h"
	23	#include "AliPHOSEmcRecPoint.h"
	24	#include "AliPHOSPpsdRecPoint.h"
	25	#include "AliPHOSTrackSegmentMaker.h"
	26	#include "TMinuit.h"
	27
	28	class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
	29
	30	public:
	31
	32	AliPHOSTrackSegmentMakerv1() ;
	33	virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
	34
	35	Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy,
	36	Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit
	37	void FillOneModule(DigitsList * Dl, RecPointsList * emcIn, TObjArray * emcOut, RecPointsList * ppsdIn,
	38	TObjArray * ppsdOutUp, TObjArray * ppsdOutLow, Int_t &PHOSModule, Int_t & emcStopedAt,
	39	Int_t & ppsdStopedAt) ; // Unfolds clusters and fills temporary arrais
	40	Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSPpsdRecPoint * Ppsd , Bool_t & TooFar ) ; // see R0
	41
	42	void MakeLinks(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow,
	43	TClonesArray * LinkLowArray, TClonesArray *LinkUpArray) ; //Evaluates distances(links) between EMC and PPSD
	44	void MakePairs(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow,
	45	TClonesArray * LinkLowArray, TClonesArray * LinkUpArray, TrackSegmentsList * trsl) ;
	46	//Finds pairs(triplets) with smallest link
	47	void MakeTrackSegments(DigitsList * DL, RecPointsList * emcl, RecPointsList * ppsdl, TrackSegmentsList * trsl ) ; // does the job
	48	virtual void SetMaxEmcPpsdDistance(Float_t r){ fR0 = r ;}
	49	virtual void SetUnfoldFlag() { fUnfoldFlag = kTRUE ; } ;
	50	static Double_t ShowerShape(Double_t r) ; // Shape of shower used in unfolding; class member function (not object member function)
	51	void UnfoldClusters(DigitsList * DL, RecPointsList * emcIn, AliPHOSEmcRecPoint * iniEmc, Int_t Nmax,
	52	int * maxAt, Float_t * maxAtEnergy, TObjArray * emclist) ; //Unfolds overlaping clusters using TMinuit package
	53	virtual void UnsetUnfoldFlag() { fUnfoldFlag = kFALSE ; }
	54
	55	private:
	56
	57	Float_t fDelta ; // parameter used for sorting
	58	TMinuit * fMinuit ; // Minuit object needed by cluster unfolding
	59	Float_t fR0 ; // Maximum distance between a EMC RecPoint and a PPSD RecPoint
	60	Bool_t fUnfoldFlag ; // Directive to unfold or not the clusters in case of multiple maxima
	61
	62	ClassDef( AliPHOSTrackSegmentMakerv1,1) // Implementation version 1 of algorithm class to make PHOS track segments
	63
	64	};
65
66	#endif // AliPHOSTRACKSEGMENTMAKERV1_H