CosmicGun Class Reference

#include <CosmicGun.h>

List of all members.

Public Member Functions
HepLorentzVector	GenerateEvent (void)
HepLorentzVector	GenerateVertex (void)
void	SetEnergyRange (float emin, float emax)
void	SetCosCut (float ctcut)
void	PrintLevel (int printevt, int printmod)
int	GetMuonCharge (void)
float	InitializeGenerator ()
Static Public Member Functions
static CosmicGun *	GetCosmicGun (void)
Private Member Functions
	CosmicGun (void)
Private Attributes
long int	m_event
long int	m_printevt
long int	m_printmod
float	m_emin
float	m_emax
float	m_coscut
Static Private Attributes
static CosmicGun *	mpointer = 0

---

Detailed Description

Definition at line 6 of file CosmicGun.h.

---

Constructor & Destructor Documentation

CosmicGun::CosmicGun

(

void

)

[private]

Definition at line 60 of file CosmicGun.cxx.

References coscut_, coscut::ctcut, genpar_, genpar::LBINWID, genpar::LEMAX, genpar::LEMIN, m_coscut, m_emax, m_emin, m_event, m_printevt, m_printmod, and genpar::NBIN.

Referenced by GetCosmicGun().

                        {
  m_event    = 0;
  m_emin     = 50;
  m_emax     = 500;
  m_coscut   = 0.35;
  m_printevt = 20;
  m_printmod = 50;

  coscut_.ctcut = m_coscut;
  genpar_.LEMIN = log10(m_emin);
  genpar_.LEMAX = log10(m_emax);
  genpar_.NBIN  = 100;
  genpar_.LBINWID = (genpar_.LEMAX-genpar_.LEMIN)/genpar_.NBIN;

  // cosipr_();
  // cosgin_();

}

---

Member Function Documentation

HepLorentzVector CosmicGun::GenerateEvent

(

void

)

Definition at line 109 of file CosmicGun.cxx.

References cosevt::CHRG, cos(), cosevt_, cosgen_(), cosevt::COSTH, cosevt::ENER, m_emax, m_emin, m_event, m_printevt, cosevt::PHI, and sin().

Referenced by CosmicGenerator::execute().

                                             {
  int iacc = 0;

  while(iacc == 0){
    cosgen_(&m_emin, &m_emax, &iacc);
  }
  m_event++;
  
  float sinth = sqrt( 1-pow(cosevt_.COSTH,2) );
  float e  = cosevt_.ENER;
  float px = cosevt_.ENER * sinth * sin( cosevt_.PHI);
  float py = cosevt_.ENER * sinth * cos( cosevt_.PHI);
  float pz = cosevt_.ENER * cosevt_.COSTH;
  HepLorentzVector p(px,py,pz,e);

  //  if(m_event < m_printevt || m_event%m_printmod == 0)
  if(m_event < m_printevt)
    {
        std::cout << "CosmicGun::GenerateEvent: " << std::setw(4) << m_event 
                  << " muon charge " << std::setw(2) << cosevt_.CHRG << " with momentum : " << p << std::endl;
    }

  return p;
}

HepLorentzVector CosmicGun::GenerateVertex

(

void

)

CosmicGun * CosmicGun::GetCosmicGun

(

void

)

[static]

Definition at line 49 of file CosmicGun.cxx.

References CosmicGun(), and mpointer.

Referenced by CosmicGenerator::execute(), and CosmicGenerator::initialize().

                                      {
  if(!mpointer) mpointer = new CosmicGun();
  return mpointer;
}

int CosmicGun::GetMuonCharge

(

void

)

Definition at line 134 of file CosmicGun.cxx.

References cosevt::CHRG, and cosevt_.

Referenced by CosmicGenerator::execute().

                                {
  return (int)cosevt_.CHRG;
}

float CosmicGun::InitializeGenerator

(

)

Definition at line 81 of file CosmicGun.cxx.

References cosgin_(), cosipr_(), cosmic2_(), flxout::FLUX2, flxout_, m_coscut, m_emax, and m_emin.

Referenced by CosmicGenerator::initialize().

                                      {
  std::cout << " CosmicGun::InitializeGenerator: E(min,max)=(" << m_emin << "," << m_emax
            << ") GeV, and cos(ThetaCut)="<< m_coscut << std::endl;
  cosipr_();
  cosgin_();
  cosmic2_();
  return flxout_.FLUX2;
}

void CosmicGun::PrintLevel	(	int	printevt,
		int	printmod
	)

Definition at line 90 of file CosmicGun.cxx.

References m_printevt, and m_printmod.

Referenced by CosmicGenerator::initialize().

                                                   {
  if (printevt >= 0)
    {
      m_printevt = printevt;
    }
  else
    {
      std::cerr << "CosmicGun::PrintLevel - warning ignored input printevt = " << printevt << std::endl; 
    }
  if (printmod >= 1)
    {
      m_printmod = printmod;
    }
  else
    {
      std::cerr << "CosmicGun::PrintLevel - warning ignored input printmod = " << printmod << std::endl; 
    }
}

void CosmicGun::SetCosCut

(

float

ctcut

)

Definition at line 154 of file CosmicGun.cxx.

References coscut_, coscut::ctcut, and m_coscut.

Referenced by CosmicGenerator::initialize().

                                    {
  m_coscut = ctcut;

  coscut_.ctcut = m_coscut;
}

void CosmicGun::SetEnergyRange	(	float	emin,
		float	emax
	)

Definition at line 138 of file CosmicGun.cxx.

References genpar_, genpar::LBINWID, genpar::LEMAX, genpar::LEMIN, m_emax, m_emin, and genpar::NBIN.

Referenced by CosmicGenerator::initialize().

                                                    {
  if(emin >= emax || emin < 0 )
    {
      std::cout << "Error input energy range : (" << emin << " - " << emax << ") - ignored " << std::endl;
      return;
    }
  m_emin = emin;
  m_emax = emax;

  genpar_.LEMIN = log10(m_emin);
  genpar_.LEMAX = log10(m_emax);
  genpar_.NBIN  = 100;
  genpar_.LBINWID = (genpar_.LEMAX-genpar_.LEMIN)/genpar_.NBIN;

}

---

Member Data Documentation

float CosmicGun::m_coscut [private]

Definition at line 23 of file CosmicGun.h.

Referenced by CosmicGun(), InitializeGenerator(), and SetCosCut().

float CosmicGun::m_emax [private]

Definition at line 22 of file CosmicGun.h.

Referenced by CosmicGun(), GenerateEvent(), InitializeGenerator(), and SetEnergyRange().

float CosmicGun::m_emin [private]

Definition at line 22 of file CosmicGun.h.

Referenced by CosmicGun(), GenerateEvent(), InitializeGenerator(), and SetEnergyRange().

long int CosmicGun::m_event [private]

Definition at line 20 of file CosmicGun.h.

Referenced by CosmicGun(), and GenerateEvent().

long int CosmicGun::m_printevt [private]

Definition at line 21 of file CosmicGun.h.

Referenced by CosmicGun(), GenerateEvent(), and PrintLevel().

long int CosmicGun::m_printmod [private]

Definition at line 21 of file CosmicGun.h.

Referenced by CosmicGun(), and PrintLevel().

CosmicGun * CosmicGun::mpointer = 0 [static, private]

Definition at line 18 of file CosmicGun.h.

Referenced by GetCosmicGun().

---