[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                               */

/* $Id$ */

/* History of cvs commits:
 *
 * $Log$
 */


//_________________________________________________________________________
//  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 Option_t * = "") 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
702ab87e	6	/* $Id$ */
	7
	8	/* History of cvs commits:
	9	*
	10	* $Log$
	11	*/
	12
a6edf90e	13
	14	//_________________________________________________________________________
	15	// Class for performing calibration in PHOS
	16	//
	17	//*-- Author: D.Peressounko (RRC KI & SUBATECH)
	18
	19
	20	// --- ROOT system ---
	21	#include "TTask.h"
	22	#include "TObjArray.h"
55fe9d13	23	#include "TH1F.h"
a6edf90e	24
	25	// --- Standard library ---
	26
	27	// --- AliRoot header files ---
	28	class AliPHOSConTableDB ;
	29	class AliPHOSDigit ;
	30
	31	class AliPHOSCalibrator: public TTask{
	32
	33	public:
	34	AliPHOSCalibrator() ; // ctor
88cb7938	35	AliPHOSCalibrator(const char* run, const char * title = "Default") ;
a8c47ab6	36	AliPHOSCalibrator(const AliPHOSCalibrator & ctor) : TTask(ctor) {
cd228525	37	// cpy ctor: no implementation yet
	38	// requested by the Coding Convention
	39	Fatal("cpy ctor", "not implemented") ;
	40	}
	41
a6edf90e	42	virtual ~AliPHOSCalibrator() ; // dtor
	43
	44	void AddRun(const char * filename) ; //Add one more file to handle
	45
	46	virtual void Exec(Option_t * option) ; //Steering method
	47
	48	void ScanPedestals(Option_t * option = "append") ;
	49	void CalculatePedestals(void) ; //calulates pedestals
	50	void ScanGains(Option_t * opt = "append") ; //calculates gains
	51	void CalculateGains(void) ; //calculates gains
	52
	53	void PlotPedestal(Int_t channel) ; //plots distribution of pedestals for given channel
	54	void PlotPedestals(void) ;
	55	void PlotGain(Int_t channel) ; //Plot histo with gains for a channel
	56	void PlotGains() ; //Plot all gains
	57
702ab87e	58	virtual void Print(const Option_t * = "") const ;
a6edf90e	59
	60	TH1F * PedestalHisto(Int_t channel)
	61	{return dynamic_cast<TH1F* >(fPedHistos->At(channel)) ;} ;
	62	TH1F * GainHisto(Int_t channel)
	63	{return dynamic_cast<TH1F* >(fGainHistos->At(channel)) ;} ;
	64
	65
	66	TH1F * Pedestals(void){return fhPedestals ;}
	67	TH1F * Gains(void){return fhGains ;}
	68
9b471956	69	//Clean resulting histograms
	70	void Reset(void){if(fhPedestals)fhPedestals->Reset("ICE");
	71	if(fhGains)fhGains->Reset("ICE");}
	72
	73	//Set energy of beam used to calibrate
	74	void SetBeamEnergy(Float_t e){fBeamEnergy = e;}
a6edf90e	75
	76	void SetConTableDB(const char * filename, const char * title = "Default") ;
	77	//Connection table to convert RawId to AbsId
	78
	79	void SetNChan(UShort_t nch = 100)
	80	{fNChan = nch ; } //Sets number of channels in pedestal histos
	81
	82	void SetNGainBins(Int_t nbin = 100)
	83	{fNGainBins = nbin ;} //Set number of bins in gain histograms
	84
	85	void SetGainMax(Float_t hmax = 0.01)
	86	{fGainMax = hmax ;} //Set range of gain histograms
	87
9b471956	88	void ReadFromASCII(const char * filename) ; //Read gains and pedestals from ascii file
	89
	90	void WritePedestals(const char * version="v1") ;
a6edf90e	91
9b471956	92	void ReadPedestals(const char * version="v1") ;
a6edf90e	93
9b471956	94	void WriteGains(const char * version="v1") ;
a6edf90e	95
9b471956	96	void ReadGains(const char * version="v1") ;
a6edf90e	97
8c140292	98	AliPHOSCalibrator & operator = (const AliPHOSCalibrator & /rvalue/){
cd228525	99	Fatal("operator =","assigment operator is not implemented") ;
	100	return *this ;
	101	}
	102
a6edf90e	103
	104
	105	private:
	106	void Init() ;
	107
	108	private:
	109	TList * fRunList ; //list of runs to be handled
	110	TObjArray * fPedHistos ; //Resulting histograms of pedestals
	111	TObjArray * fGainHistos; //Results of Calibration
	112
	113	TH1F * fhPedestals ; //Mean values of pedestals for different channels
	114	TH1F * fhPedestalsWid ; //Widths of pedestal distributions for different channels
	115	TH1F * fhGains ; //Final Gains from fitting procedure
	116	TH1F * fhGainsWid ; //Width of final gains from fit
	117
	118	AliPHOSConTableDB * fctdb ; //!Connection map
	119	TString fConTableDB ; //Name of ConTableDB
	120	TString fConTableDBFile ; //File where ConTableDB is stored
	121
9b471956	122	Float_t fBeamEnergy ; //Calibration beam energy
a6edf90e	123	Float_t fGainAcceptCorr; //Maximal deviation from mean Gain (factor)
	124	Float_t fAcceptCorr ; //Maximal deviation of Pedestal from mean for good channel
	125
	126	Float_t fGainMax ; //Range used in Gain histos
	127	Int_t fNGainBins ; //Number of bins in Gain histos
	128
	129	Int_t fNch ; //Number of channels to calibrate
	130	UShort_t fNChan ; //Number of bins in pedestal histos
	131
a6edf90e	132	ClassDef(AliPHOSCalibrator,1) // description
	133
	134	};
	135
	136	#endif // AliPHOSCALIBRATOR_H