[u/mrichter/AliRoot.git] / PHOS / AliPHOSAnalyze.h

#ifndef ALIPHOSANALYZE_H
#define ALIPHOSANALYZE_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//_________________________________________________________________________
// Algorythm class to analyze PHOSv1 events:
// Construct histograms and displays them.
// Use the macro EditorBar.C for best access to the functionnalities
//*--
//*-- Author : Yves Schutz (SUBATECH)

// --- ROOT system ---

class TFile ;
class TH1F ;
class TH2F ;

// --- Standard library ---

// --- AliRoot header files ---

class AliPHOSv1 ;
class AliPHOSGeometry ;
class AliPHOSLoader ;
class AliRunLoader ; 

class AliPHOSAnalyze : public TObject {

public:

  AliPHOSAnalyze() ;              // ctor
  AliPHOSAnalyze(Text_t * name) ; // ctor
  AliPHOSAnalyze(const AliPHOSAnalyze & ana) ; // cpy ctor                   
  virtual ~AliPHOSAnalyze() ;     // dtor

  void DrawRecon(Int_t Nevent= 0,Int_t Nmod = 1) ; 
  // draws positions of entering of primaries and reconstructed objects in PHOS

  void InvariantMass() ;      // Photons invariant mass distributions

  void EnergyResolution () ;  // analyzes Energy resolution ;

  void PositionResolution() ; // analyzes Position resolution ;

  void Contamination() ;      // Counts contamination of photon spectrum

  void Ls() ; //Prints PHOS-related contents of TreeS, TreeD and TreeR

  void SetEnergyCorrection(Float_t ecor){fCorrection = ecor ;} 

  AliPHOSAnalyze & operator = (const AliPHOSAnalyze & /*rvalue*/)  {
    // assignement operator requested by coding convention but not needed
    Fatal("operator =", "not implemented") ;
    return *this ; 
  }
 
private:

  Float_t CorrectedEnergy(Float_t ReconstEnergy)const
    {return ReconstEnergy * fCorrection;} 
  //Converts reconstructed energy (energy of the EMCRecPoint) to the energy of primary
  //The coeficient shoud be (and was) calculated usin Erec vs. Eprim plot 
  //(see Energy Resolution function). However, if one change parameters of reconstruction 
  //or geometry, one have to recalculate coefficient!

private:

  Float_t fCorrection ;               //! Conversion coefficient between True and Reconstructed energies
  Int_t   fEvt ;                      //! the evt number being processed 
  TString ffileName ;                 //! the root file that contains the data

  AliRunLoader* fRunLoader;           //! run loader of the specified filename

ClassDef(AliPHOSAnalyze,1)  // PHOSv1 event analyzis algorithm

};

#endif // AliPHOSANALYZE_H
Commit	Line	Data
	1	#ifndef ALIPHOSANALYZE_H
	2	#define ALIPHOSANALYZE_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	// Algorythm class to analyze PHOSv1 events:
	10	// Construct histograms and displays them.
	11	// Use the macro EditorBar.C for best access to the functionnalities
	12	//*--
	13	//*-- Author : Yves Schutz (SUBATECH)
	14
	15	// --- ROOT system ---
	16
	17	class TFile ;
	18	class TH1F ;
	19	class TH2F ;
	20
	21	// --- Standard library ---
	22
	23	// --- AliRoot header files ---
	24
	25	class AliPHOSv1 ;
	26	class AliPHOSGeometry ;
	27	class AliPHOSLoader ;
	28	class AliRunLoader ;
	29
	30	class AliPHOSAnalyze : public TObject {
	31
	32	public:
	33
	34	AliPHOSAnalyze() ; // ctor
	35	AliPHOSAnalyze(Text_t * name) ; // ctor
	36	AliPHOSAnalyze(const AliPHOSAnalyze & ana) ; // cpy ctor
	37	virtual ~AliPHOSAnalyze() ; // dtor
	38
	39	void DrawRecon(Int_t Nevent= 0,Int_t Nmod = 1) ;
	40	// draws positions of entering of primaries and reconstructed objects in PHOS
	41
	42	void InvariantMass() ; // Photons invariant mass distributions
	43
	44	void EnergyResolution () ; // analyzes Energy resolution ;
	45
	46	void PositionResolution() ; // analyzes Position resolution ;
	47
	48	void Contamination() ; // Counts contamination of photon spectrum
	49
	50	void Ls() ; //Prints PHOS-related contents of TreeS, TreeD and TreeR
	51
	52	void SetEnergyCorrection(Float_t ecor){fCorrection = ecor ;}
	53
	54	AliPHOSAnalyze & operator = (const AliPHOSAnalyze & /rvalue/) {
	55	// assignement operator requested by coding convention but not needed
	56	Fatal("operator =", "not implemented") ;
	57	return *this ;
	58	}
	59
	60	private:
	61
	62	Float_t CorrectedEnergy(Float_t ReconstEnergy)const
	63	{return ReconstEnergy * fCorrection;}
	64	//Converts reconstructed energy (energy of the EMCRecPoint) to the energy of primary
	65	//The coeficient shoud be (and was) calculated usin Erec vs. Eprim plot
	66	//(see Energy Resolution function). However, if one change parameters of reconstruction
	67	//or geometry, one have to recalculate coefficient!
	68
	69	private:
	70
	71	Float_t fCorrection ; //! Conversion coefficient between True and Reconstructed energies
	72	Int_t fEvt ; //! the evt number being processed
	73	TString ffileName ; //! the root file that contains the data
	74
	75	AliRunLoader* fRunLoader; //! run loader of the specified filename
	76
	77	ClassDef(AliPHOSAnalyze,1) // PHOSv1 event analyzis algorithm
	78
	79	};
	80
	81	#endif // AliPHOSANALYZE_H