[u/mrichter/AliRoot.git] / EVGEN / AliGenMC.h

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

/* $Id$ */


#include "AliGenerator.h"
#include "AliDecayer.h"
#include <TArrayI.h>    

class TParticle;

class AliGenMC : public AliGenerator
{
 public:
    AliGenMC();
    AliGenMC(Int_t npart);
    AliGenMC(const AliGenMC &MC);
    virtual ~AliGenMC();
    void Init();
    virtual void SetForceDecay(Decay_t decay = kAll) {fForceDecay = decay;}
    AliGenMC & operator=(const AliGenMC & rhs);
        virtual void SetCutOnChild(Int_t flag = 0) {fCutOnChild = flag;}
    virtual void SetChildMomentumRange(Float_t pmin = 0, Float_t pmax = 1.e10)
	{fChildPMin = pmin; fChildPMax = pmax;}
    virtual void SetChildPtRange(Float_t ptmin = 0, Float_t ptmax = 20.)
	{fChildPtMin = ptmin; fChildPtMax = ptmax;}
    virtual void SetChildPhiRange(Float_t phimin = -180., Float_t phimax = 180)
	{fChildPhiMin = TMath::Pi()*phimin/180;
	fChildPhiMax  = TMath::Pi()*phimax/180;}
    virtual void SetChildThetaRange(Float_t thetamin = 0, Float_t thetamax = 180)
	{fChildThetaMin = TMath::Pi()*thetamin/180;
	fChildThetaMax  = TMath::Pi()*thetamax/180;}
    virtual void SetChildYRange(Float_t ymin = -12, Float_t ymax = 12)
	{fChildYMin = ymin;
	fChildYMax  = ymax;}

 protected:
    // check if particle is selected as parent particle
    Bool_t ParentSelected(Int_t ip);
    // check if particle is selected as child particle
    Bool_t ChildSelected(Int_t ip);
    // all kinematic selection cuts go here 
    Bool_t KinematicSelection(TParticle *particle, Int_t flag);
    Int_t  CheckPDGCode(Int_t pdgcode);

 protected:
    TArrayI     fParentSelect;  // Parent particles to be selected 
    TArrayI     fChildSelect;   // Decay products to be selected
    Int_t       fCutOnChild;    // Cuts on decay products (children)  are enabled/disabled
    Float_t     fChildPtMin;    // Children minimum pT
    Float_t     fChildPtMax;    // Children maximum pT
    Float_t     fChildPMin;     // Children minimum p
    Float_t     fChildPMax;     // Children maximum p
    Float_t     fChildPhiMin;   // Children minimum phi
    Float_t     fChildPhiMax;   // Children maximum phi
    Float_t     fChildThetaMin; // Children minimum theta
    Float_t     fChildThetaMax; // Children maximum theta
    Float_t     fChildYMin;     // Children minimum y
    Float_t     fChildYMax;     // Children maximum y
    Decay_t     fForceDecay;    // Decay channel forced
    ClassDef(AliGenMC,2)       // AliGenerator implementation for generators using MC methods
};
#endif
Commit	Line	Data
e36044d6	1	#ifndef ALIGENMC_H
	2	#define ALIGENMC_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	#include "AliGenerator.h"
	10	#include "AliDecayer.h"
	11	#include <TArrayI.h>
	12
	13	class TParticle;
	14
	15	class AliGenMC : public AliGenerator
	16	{
	17	public:
	18	AliGenMC();
	19	AliGenMC(Int_t npart);
	20	AliGenMC(const AliGenMC &MC);
	21	virtual ~AliGenMC();
	22	void Init();
a0609231	23	virtual void SetForceDecay(Decay_t decay = kAll) {fForceDecay = decay;}
e36044d6	24	AliGenMC & operator=(const AliGenMC & rhs);
	25	virtual void SetCutOnChild(Int_t flag = 0) {fCutOnChild = flag;}
	26	virtual void SetChildMomentumRange(Float_t pmin = 0, Float_t pmax = 1.e10)
	27	{fChildPMin = pmin; fChildPMax = pmax;}
	28	virtual void SetChildPtRange(Float_t ptmin = 0, Float_t ptmax = 20.)
	29	{fChildPtMin = ptmin; fChildPtMax = ptmax;}
	30	virtual void SetChildPhiRange(Float_t phimin = -180., Float_t phimax = 180)
	31	{fChildPhiMin = TMath::Pi()*phimin/180;
	32	fChildPhiMax = TMath::Pi()*phimax/180;}
	33	virtual void SetChildThetaRange(Float_t thetamin = 0, Float_t thetamax = 180)
	34	{fChildThetaMin = TMath::Pi()*thetamin/180;
	35	fChildThetaMax = TMath::Pi()*thetamax/180;}
	36	virtual void SetChildYRange(Float_t ymin = -12, Float_t ymax = 12)
	37	{fChildYMin = ymin;
	38	fChildYMax = ymax;}
	39
	40	protected:
	41	// check if particle is selected as parent particle
	42	Bool_t ParentSelected(Int_t ip);
	43	// check if particle is selected as child particle
	44	Bool_t ChildSelected(Int_t ip);
	45	// all kinematic selection cuts go here
	46	Bool_t KinematicSelection(TParticle *particle, Int_t flag);
	47	Int_t CheckPDGCode(Int_t pdgcode);
	48
	49	protected:
	50	TArrayI fParentSelect; // Parent particles to be selected
	51	TArrayI fChildSelect; // Decay products to be selected
	52	Int_t fCutOnChild; // Cuts on decay products (children) are enabled/disabled
	53	Float_t fChildPtMin; // Children minimum pT
	54	Float_t fChildPtMax; // Children maximum pT
	55	Float_t fChildPMin; // Children minimum p
	56	Float_t fChildPMax; // Children maximum p
	57	Float_t fChildPhiMin; // Children minimum phi
	58	Float_t fChildPhiMax; // Children maximum phi
	59	Float_t fChildThetaMin; // Children minimum theta
	60	Float_t fChildThetaMax; // Children maximum theta
	61	Float_t fChildYMin; // Children minimum y
	62	Float_t fChildYMax; // Children maximum y
	63	Decay_t fForceDecay; // Decay channel forced
b80a8e41	64	ClassDef(AliGenMC,2) // AliGenerator implementation for generators using MC methods
e36044d6	65	};
	66	#endif
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