[u/mrichter/AliRoot.git] / PWGHF / hfe / AliHFEtools.h

/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
*                                                                        *
* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
*                                                                        *
* Permission to use, copy, modify and distribute this software and its   *
* documentation strictly for non-commercial purposes is hereby granted   *
* without fee, provided that the above copyright notice appears in all   *
* copies and that both the copyright notice and this permission notice   *
* appear in the supporting documentation. The authors make no claims     *
* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/
//
// Toolkit containing various usefull things
// Usable everywhere in the hfe software package
// For more information see the cxx file
//
#ifndef ALIHFETOOLS_H
#define ALIHFETOOLS_H

#include <TObject.h>

class TParticle;
class AliAODMCParticle;
class AliPIDResponse;
class AliVParticle;
class TGraph;
class TGraphErrors;
class TH1D;
class TString;

class AliHFEtools : public TObject{
  public:
    AliHFEtools();
    ~AliHFEtools() {};

    static Double_t *MakeLinearBinning(Int_t nBins, Double_t ymin, Double_t ymax);
    static Double_t *MakeLogarithmicBinning(Int_t nBins, Double_t ymin, Double_t ymax);
    Bool_t    BinLogAxis(TObject *o, Int_t dim);
    static Float_t GetRapidity(const TParticle *part);
    static Float_t GetRapidity(const AliAODMCParticle *part); // return rapidity
    static Int_t GetPdg(const AliVParticle *track);
    static Int_t PDG2AliPID(Int_t pdg);
    static AliPIDResponse *GetDefaultPID(Bool_t isMC = kTRUE, Bool_t isESD = kTRUE);
    static void DestroyDefaultPID();
    static void SetLogLevel(Int_t loglevel) { fgLogLevel = loglevel ;}
    static TH1D* GraphErrorsToHist(TGraphErrors* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7);
    static TH1D* GraphToHist(TGraph* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7);
    static Bool_t ExchangeXYGraph(TGraph* g = 0);
    static Bool_t ExchangeXYGraphErrors(TGraphErrors* g = 0);

  private:
      AliHFEtools(const AliHFEtools &);
      AliHFEtools &operator=(const AliHFEtools &);
      static AliPIDResponse *fgDefaultPID;      // Default PID object
      static Int_t fgLogLevel;                  // Log Level

    ClassDef(AliHFEtools, 0)
};
#endif
Commit	Line	Data
70da6c5a	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15	//
	16	// Toolkit containing various usefull things
	17	// Usable everywhere in the hfe software package
	18	// For more information see the cxx file
	19	//
c2690925	20	#ifndef ALIHFETOOLS_H
	21	#define ALIHFETOOLS_H
	22
70da6c5a	23	#include <TObject.h>
	24
	25	class TParticle;
	26	class AliAODMCParticle;
8c1c76e9	27	class AliPIDResponse;
3a72645a	28	class AliVParticle;
a8ef1999	29	class TGraph;
	30	class TGraphErrors;
	31	class TH1D;
	32	class TString;
70da6c5a	33
	34	class AliHFEtools : public TObject{
	35	public:
	36	AliHFEtools();
	37	~AliHFEtools() {};
	38
	39	static Double_t *MakeLinearBinning(Int_t nBins, Double_t ymin, Double_t ymax);
	40	static Double_t *MakeLogarithmicBinning(Int_t nBins, Double_t ymin, Double_t ymax);
	41	Bool_t BinLogAxis(TObject *o, Int_t dim);
3a72645a	42	static Float_t GetRapidity(const TParticle *part);
	43	static Float_t GetRapidity(const AliAODMCParticle *part); // return rapidity
	44	static Int_t GetPdg(const AliVParticle *track);
	45	static Int_t PDG2AliPID(Int_t pdg);
8c1c76e9	46	static AliPIDResponse *GetDefaultPID(Bool_t isMC = kTRUE, Bool_t isESD = kTRUE);
faee3b18	47	static void DestroyDefaultPID();
faee3b18	48	static void SetLogLevel(Int_t loglevel) { fgLogLevel = loglevel ;}
a8ef1999	49	static TH1D* GraphErrorsToHist(TGraphErrors* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7);
	50	static TH1D* GraphToHist(TGraph* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7);
	51	static Bool_t ExchangeXYGraph(TGraph* g = 0);
	52	static Bool_t ExchangeXYGraphErrors(TGraphErrors* g = 0);
faee3b18	53
faee3b18	54	private:
c2690925	55	AliHFEtools(const AliHFEtools &);
c2690925	56	AliHFEtools &operator=(const AliHFEtools &);
8c1c76e9	57	static AliPIDResponse *fgDefaultPID; // Default PID object
3a72645a	58	static Int_t fgLogLevel; // Log Level
70da6c5a	59
	60	ClassDef(AliHFEtools, 0)
	61	};
	62	#endif