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

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


//_________________________________________________________________________
//  Class for performing calibration in PHOS     
//                  
//*-- Author: D.Peressounko (RRC KI & SUBATECH)


// --- ROOT system ---
#include "TTask.h"
#include "TObjArray.h"
#include "TH1F.h"  

// --- Standard library ---

// --- AliRoot header files ---
class AliPHOSConTableDB ;
class AliPHOSDigit ;

class AliPHOSCalibrator: public TTask{

public:
  AliPHOSCalibrator() ;          // ctor
  AliPHOSCalibrator(const char* run, const char * title = "Default") ;
  AliPHOSCalibrator(const AliPHOSCalibrator & ctor) : TTask(ctor) {
    // cpy ctor: no implementation yet
    // requested by the Coding Convention
    Fatal("cpy ctor", "not implemented") ;
  }
 
  virtual ~AliPHOSCalibrator() ; // dtor

  void AddRun(const char * filename) ; //Add one more file to handle

  virtual void Exec(Option_t * option) ; //Steering method 

  void ScanPedestals(Option_t * option = "append") ;
  void CalculatePedestals(void) ; //calulates pedestals
  void ScanGains(Option_t * opt = "append") ; //calculates gains
  void CalculateGains(void) ; //calculates gains

  void PlotPedestal(Int_t channel) ; //plots distribution of pedestals for given channel
  void PlotPedestals(void) ;
  void PlotGain(Int_t channel) ; //Plot histo with gains for a channel
  void PlotGains() ;             //Plot all gains

  virtual void Print() const ;

  TH1F * PedestalHisto(Int_t channel)
    {return dynamic_cast<TH1F* >(fPedHistos->At(channel)) ;} ;
  TH1F * GainHisto(Int_t channel)
    {return dynamic_cast<TH1F* >(fGainHistos->At(channel)) ;} ;

  
  TH1F * Pedestals(void){return fhPedestals ;}
  TH1F * Gains(void){return fhGains ;}

  //Clean resulting histograms
  void Reset(void){if(fhPedestals)fhPedestals->Reset("ICE");
                   if(fhGains)fhGains->Reset("ICE");}

  //Set energy of beam used to calibrate
  void SetBeamEnergy(Float_t e){fBeamEnergy = e;}

  void SetConTableDB(const char * filename, const char * title = "Default") ;
       //Connection table to convert RawId to AbsId

  void SetNChan(UShort_t nch = 100)
    {fNChan = nch ; }         //Sets number of channels in pedestal histos

  void SetNGainBins(Int_t nbin = 100)
    {fNGainBins = nbin ;}  //Set number of bins in gain histograms

  void SetGainMax(Float_t hmax = 0.01)
    {fGainMax = hmax ;}    //Set range of gain histograms

  void ReadFromASCII(const char * filename) ; //Read gains and pedestals from ascii file

  void WritePedestals(const char * version="v1") ;

  void ReadPedestals(const char * version="v1") ;
		      
  void WriteGains(const char * version="v1") ;

  void ReadGains(const char * version="v1") ;

  AliPHOSCalibrator & operator = (const AliPHOSCalibrator & /*rvalue*/){
    Fatal("operator =","assigment operator is not implemented") ;
    return *this ;
 }


private:
  void Init() ;
 
private:
  TList  * fRunList ;          //list of runs to be handled
  TObjArray * fPedHistos ;     //Resulting histograms of pedestals
  TObjArray * fGainHistos;     //Results of Calibration 

  TH1F *   fhPedestals ;      //Mean values of pedestals for different channels
  TH1F *   fhPedestalsWid ;   //Widths of pedestal distributions for different channels
  TH1F *   fhGains ;          //Final Gains from fitting procedure
  TH1F *   fhGainsWid ;       //Width of final gains from fit

  AliPHOSConTableDB * fctdb ; //!Connection map
  TString  fConTableDB ;      //Name of ConTableDB
  TString  fConTableDBFile ;  //File where ConTableDB is stored

  Float_t  fBeamEnergy ;      //Calibration beam energy
  Float_t  fGainAcceptCorr;   //Maximal deviation from mean Gain (factor)
  Float_t  fAcceptCorr ;      //Maximal deviation of Pedestal from mean for good channel

  Float_t  fGainMax ;         //Range used in Gain histos
  Int_t    fNGainBins ;       //Number of bins in Gain histos

  Int_t    fNch ;             //Number of channels to calibrate
  UShort_t fNChan ;           //Number of bins in pedestal histos

  ClassDef(AliPHOSCalibrator,1)  // description 

};

#endif // AliPHOSCALIBRATOR_H
Commit	Line	Data
a6edf90e	1	#ifndef ALIPHOSCALIBRATOR_H
	2	#define ALIPHOSCALIBRATOR_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6
	7	//_________________________________________________________________________
	8	// Class for performing calibration in PHOS
	9	//
	10	//*-- Author: D.Peressounko (RRC KI & SUBATECH)
	11
	12
	13	// --- ROOT system ---
	14	#include "TTask.h"
	15	#include "TObjArray.h"
55fe9d13	16	#include "TH1F.h"
a6edf90e	17
	18	// --- Standard library ---
	19
	20	// --- AliRoot header files ---
	21	class AliPHOSConTableDB ;
	22	class AliPHOSDigit ;
	23
	24	class AliPHOSCalibrator: public TTask{
	25
	26	public:
	27	AliPHOSCalibrator() ; // ctor
88cb7938	28	AliPHOSCalibrator(const char* run, const char * title = "Default") ;
a8c47ab6	29	AliPHOSCalibrator(const AliPHOSCalibrator & ctor) : TTask(ctor) {
cd228525	30	// cpy ctor: no implementation yet
	31	// requested by the Coding Convention
	32	Fatal("cpy ctor", "not implemented") ;
	33	}
	34
a6edf90e	35	virtual ~AliPHOSCalibrator() ; // dtor
	36
	37	void AddRun(const char * filename) ; //Add one more file to handle
	38
	39	virtual void Exec(Option_t * option) ; //Steering method
	40
	41	void ScanPedestals(Option_t * option = "append") ;
	42	void CalculatePedestals(void) ; //calulates pedestals
	43	void ScanGains(Option_t * opt = "append") ; //calculates gains
	44	void CalculateGains(void) ; //calculates gains
	45
	46	void PlotPedestal(Int_t channel) ; //plots distribution of pedestals for given channel
	47	void PlotPedestals(void) ;
	48	void PlotGain(Int_t channel) ; //Plot histo with gains for a channel
	49	void PlotGains() ; //Plot all gains
	50
e957fea8	51	virtual void Print() const ;
a6edf90e	52
	53	TH1F * PedestalHisto(Int_t channel)
	54	{return dynamic_cast<TH1F* >(fPedHistos->At(channel)) ;} ;
	55	TH1F * GainHisto(Int_t channel)
	56	{return dynamic_cast<TH1F* >(fGainHistos->At(channel)) ;} ;
	57
	58
	59	TH1F * Pedestals(void){return fhPedestals ;}
	60	TH1F * Gains(void){return fhGains ;}
	61
9b471956	62	//Clean resulting histograms
	63	void Reset(void){if(fhPedestals)fhPedestals->Reset("ICE");
	64	if(fhGains)fhGains->Reset("ICE");}
	65
	66	//Set energy of beam used to calibrate
	67	void SetBeamEnergy(Float_t e){fBeamEnergy = e;}
a6edf90e	68
	69	void SetConTableDB(const char * filename, const char * title = "Default") ;
	70	//Connection table to convert RawId to AbsId
	71
	72	void SetNChan(UShort_t nch = 100)
	73	{fNChan = nch ; } //Sets number of channels in pedestal histos
	74
	75	void SetNGainBins(Int_t nbin = 100)
	76	{fNGainBins = nbin ;} //Set number of bins in gain histograms
	77
	78	void SetGainMax(Float_t hmax = 0.01)
	79	{fGainMax = hmax ;} //Set range of gain histograms
	80
9b471956	81	void ReadFromASCII(const char * filename) ; //Read gains and pedestals from ascii file
	82
	83	void WritePedestals(const char * version="v1") ;
a6edf90e	84
9b471956	85	void ReadPedestals(const char * version="v1") ;
a6edf90e	86
9b471956	87	void WriteGains(const char * version="v1") ;
a6edf90e	88
9b471956	89	void ReadGains(const char * version="v1") ;
a6edf90e	90
8c140292	91	AliPHOSCalibrator & operator = (const AliPHOSCalibrator & /rvalue/){
cd228525	92	Fatal("operator =","assigment operator is not implemented") ;
	93	return *this ;
	94	}
	95
a6edf90e	96
	97
	98	private:
	99	void Init() ;
	100
	101	private:
	102	TList * fRunList ; //list of runs to be handled
	103	TObjArray * fPedHistos ; //Resulting histograms of pedestals
	104	TObjArray * fGainHistos; //Results of Calibration
	105
	106	TH1F * fhPedestals ; //Mean values of pedestals for different channels
	107	TH1F * fhPedestalsWid ; //Widths of pedestal distributions for different channels
	108	TH1F * fhGains ; //Final Gains from fitting procedure
	109	TH1F * fhGainsWid ; //Width of final gains from fit
	110
	111	AliPHOSConTableDB * fctdb ; //!Connection map
	112	TString fConTableDB ; //Name of ConTableDB
	113	TString fConTableDBFile ; //File where ConTableDB is stored
	114
9b471956	115	Float_t fBeamEnergy ; //Calibration beam energy
a6edf90e	116	Float_t fGainAcceptCorr; //Maximal deviation from mean Gain (factor)
	117	Float_t fAcceptCorr ; //Maximal deviation of Pedestal from mean for good channel
	118
	119	Float_t fGainMax ; //Range used in Gain histos
	120	Int_t fNGainBins ; //Number of bins in Gain histos
	121
	122	Int_t fNch ; //Number of channels to calibrate
	123	UShort_t fNChan ; //Number of bins in pedestal histos
	124
a6edf90e	125	ClassDef(AliPHOSCalibrator,1) // description
	126
	127	};
	128
	129	#endif // AliPHOSCALIBRATOR_H