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

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

/* $Id$ */


#include "AliGenerator.h"
#include <TString.h>

// Read beam halo background particles from a boundary source
// Boundary source is in the LHCb format
// http://www.hep.manchester.ac.uk/u/robert/LHC_backgrounds/Note-MIBStudies.pdf
// and has been provided by Robert Appleby
// Author: andreas.morsch@cern.ch

class AliGenHalo : public AliGenerator
{
public:
    enum constants{kY1Day0, kY1Day70, kY2D0, kY2D10, kY3D90, kLHCPR674Startup, kLHCPR674Conditioned};
    AliGenHalo();
    AliGenHalo(Int_t npart);
    virtual ~AliGenHalo();
    virtual void Init();
    virtual void SetFileName(TString filename) {fFileName=TString(filename);}
    virtual void Generate();
    virtual Float_t GasPressureWeight(Float_t zPrimary);
    virtual void SetSide(Int_t flag = 1) {fSide = flag;}
    virtual void SetNskip(Int_t nskip) {fNskip = nskip;}
    virtual void SetRunPeriod(Int_t t = kY3D90) {fRunPeriod = t;}
    virtual void SetTimePerEvent(Float_t t = 1.e-4) {fTimePerEvent = t;}
    virtual void Draw(Option_t * opt="");
 private:
    virtual Int_t ReadNextParticle();
 protected:
    FILE*    fFile;                       // ! Pointer to file
    TString  fFileName;                   //   Choose the file
    Int_t    fSide;                       //   Muon arm side (1) / Castor side (-1)
    Int_t    fRunPeriod;                  //   LHC Running Period
    Float_t  fTimePerEvent;               //   Time corresponding to one event [s]
    Int_t    fNskip;                      //   Number of entries to skip
    Float_t* fZ1;                         // ! z-positions for gas pressure tables
    Float_t* fZ2;                         // ! z-positions for gas pressure tables 
    Float_t* fG1;                         // ! gas pressures
    Float_t* fG2;                         // ! gas pressures
    Int_t    fGPASize;                    // ! Size of arrays
    Int_t    fLossID;                     // ! unique loss ID
    Int_t    fLossA;                      // ! atomic number of scatterer
    Int_t    fPdg;                        // ! pdg code 
    Float_t  fLossT0;                     // ! relative time
    Float_t  fLossZ;                      // ! scaterring position 
    Float_t  fLossW;                      // ! weight of proton loss
    Float_t  fXS;                         // ! x-position on scoring plane 
    Float_t  fYS;                         // ! y-position on scoring plane
    Float_t  fZS;                         // ! z-position on scoring plane
    Float_t  fDX;                         // ! direction cosine x
    Float_t  fDY;                         // ! direction cosine y
    Float_t  fEkin;                       // ! kinetic energy
    Float_t  fTS;                         // ! relative arrival time
    Float_t  fWS;                         // ! weight
 private:
    AliGenHalo(const AliGenHalo &Halo);
    AliGenHalo & operator=(const AliGenHalo & rhs);
    
    ClassDef(AliGenHalo,1)        // LHC beam halo boundary source
};
#endif
Commit	Line	Data
f87cfe57	1	#ifndef ALIGENHALO_H
f87cfe57	2	#define ALIGENHALO_H
3da30618	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
f87cfe57	8
fe4da5cc	9	#include "AliGenerator.h"
bd1cece1	10	#include <TString.h>
675e9664	11
d12ebe74	12	// Read beam halo background particles from a boundary source
	13	// Boundary source is in the LHCb format
	14	// http://www.hep.manchester.ac.uk/u/robert/LHC_backgrounds/Note-MIBStudies.pdf
	15	// and has been provided by Robert Appleby
675e9664	16	// Author: andreas.morsch@cern.ch
fe4da5cc	17
	18	class AliGenHalo : public AliGenerator
	19	{
d12ebe74	20	public:
d12ebe74	21	enum constants{kY1Day0, kY1Day70, kY2D0, kY2D10, kY3D90, kLHCPR674Startup, kLHCPR674Conditioned};
fe4da5cc	22	AliGenHalo();
	23	AliGenHalo(Int_t npart);
	24	virtual ~AliGenHalo();
	25	virtual void Init();
bd1cece1	26	virtual void SetFileName(TString filename) {fFileName=TString(filename);}
fe4da5cc	27	virtual void Generate();
d12ebe74	28	virtual Float_t GasPressureWeight(Float_t zPrimary);
	29	virtual void SetSide(Int_t flag = 1) {fSide = flag;}
	30	virtual void SetNskip(Int_t nskip) {fNskip = nskip;}
	31	virtual void SetRunPeriod(Int_t t = kY3D90) {fRunPeriod = t;}
	32	virtual void SetTimePerEvent(Float_t t = 1.e-4) {fTimePerEvent = t;}
	33	virtual void Draw(Option_t * opt="");
	34	private:
	35	virtual Int_t ReadNextParticle();
198bb1c7	36	protected:
d12ebe74	37	FILE* fFile; // ! Pointer to file
198bb1c7	38	TString fFileName; // Choose the file
d12ebe74	39	Int_t fSide; // Muon arm side (1) / Castor side (-1)
	40	Int_t fRunPeriod; // LHC Running Period
	41	Float_t fTimePerEvent; // Time corresponding to one event [s]
	42	Int_t fNskip; // Number of entries to skip
	43	Float_t* fZ1; // ! z-positions for gas pressure tables
	44	Float_t* fZ2; // ! z-positions for gas pressure tables
	45	Float_t* fG1; // ! gas pressures
	46	Float_t* fG2; // ! gas pressures
	47	Int_t fGPASize; // ! Size of arrays
	48	Int_t fLossID; // ! unique loss ID
	49	Int_t fLossA; // ! atomic number of scatterer
	50	Int_t fPdg; // ! pdg code
	51	Float_t fLossT0; // ! relative time
	52	Float_t fLossZ; // ! scaterring position
	53	Float_t fLossW; // ! weight of proton loss
	54	Float_t fXS; // ! x-position on scoring plane
	55	Float_t fYS; // ! y-position on scoring plane
	56	Float_t fZS; // ! z-position on scoring plane
	57	Float_t fDX; // ! direction cosine x
	58	Float_t fDY; // ! direction cosine y
	59	Float_t fEkin; // ! kinetic energy
	60	Float_t fTS; // ! relative arrival time
	61	Float_t fWS; // ! weight
ac3faee4	62	private:
93a2041b	63	AliGenHalo(const AliGenHalo &Halo);
93a2041b	64	AliGenHalo & operator=(const AliGenHalo & rhs);
d12ebe74	65
d12ebe74	66	ClassDef(AliGenHalo,1) // LHC beam halo boundary source
fe4da5cc	67	};
	68	#endif
	69
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	74