EvtTrackGen Class Reference

#include <EvtTrackGen.hh>

Inheritance diagram for EvtTrackGen:

Public Member Functions
	EvtTrackGen ()
virtual	~EvtTrackGen ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
void	decay (EvtParticle *p)
Public Member Functions inherited from EvtDecayIncoherent
void	makeDecay (EvtParticle *p)
virtual	~EvtDecayIncoherent ()
void	setDaughterSpinDensity (int daughter)
int	isDaughterSpinDensitySet (int daughter)
Public Member Functions inherited from EvtDecayBase
virtual std::string	commandName ()
virtual void	command (std::string cmd)
double	getProbMax (double prob)
double	resetProbMax (double prob)
	EvtDecayBase ()
virtual	~EvtDecayBase ()
virtual bool	matchingDecay (const EvtDecayBase &other) const
EvtId	getParentId ()
double	getBranchingFraction ()
void	disableCheckQ ()
void	checkQ ()
int	getNDaug ()
EvtId *	getDaugs ()
EvtId	getDaug (int i)
int	getNArg ()
int	getPHOTOS ()
void	setPHOTOS ()
void	setVerbose ()
void	setSummary ()
double *	getArgs ()
std::string *	getArgsStr ()
double	getArg (int j)
std::string	getArgStr (int j)
std::string	getModelName ()
int	getDSum ()
int	summary ()
int	verbose ()
void	saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
void	printSummary ()
void	setProbMax (double prbmx)
void	noProbMax ()
void	checkNArg (int a1, int a2=-1, int a3=-1, int a4=-1)
void	checkNDaug (int d1, int d2=-1)
void	checkSpinParent (EvtSpinType::spintype sp)
void	checkSpinDaughter (int d1, EvtSpinType::spintype sp)
virtual int	nRealDaughters ()

Additional Inherited Members
Static Public Member Functions inherited from EvtDecayBase
static void	findMasses (EvtParticle *p, int ndaugs, EvtId daugs[10], double masses[10])
static void	findMass (EvtParticle *p)
static double	findMaxMass (EvtParticle *p)
Protected Member Functions inherited from EvtDecayBase
bool	daugsDecayedByParentModel ()
Protected Attributes inherited from EvtDecayBase
bool	_daugsDecayedByParentModel

Detailed Description

Definition at line 35 of file EvtTrackGen.hh.

Constructor & Destructor Documentation

EvtTrackGen()

EvtTrackGen::EvtTrackGen ( )

inline

Definition at line 38 of file EvtTrackGen.hh.

{}

Referenced by clone().

~EvtTrackGen()

EvtTrackGen::~EvtTrackGen ( )

virtual

Definition at line 25 of file EvtTrackGen.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtTrackGen::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 29 of file EvtTrackGen.cc.

{ return new EvtTrackGen; }

decay()

void EvtTrackGen::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 105 of file EvtTrackGen.cc.

                                        {
 
  double weight = p->initializePhaseSpace( getNDaug(), getDaugs() );
  int    rdm    = (int)Evt.size() * EvtRandom::Flat( 0.0, 1.0 );
  if ( Evt.size() == 0 )
  {
    std::cout << "EvtTrackGen: out of stored file record" << std::endl;
    abort();
  }
  EvtVector4R ptot( 0, 0, 0, 0 );
  for ( int i = 0; i < nParticles; i++ )
  {
    EvtParticle* daug = p->getDaug( i );
    ptot += Evt[rdm][i];
    daug->init( daug->getId(), Evt[rdm][i] );
  }
  // p->init(p->getId(),ptot);
 
  // debugging
  //  std::cout<<p->getDaug(getNDaug()-1)->getP4()<<" =? "<<eParticle<<" "<<pxParticle<<"
  //  "<<pyParticle<<"
  //  "<<pzParticle<<std::endl;
 
  return;
}

getName()

void EvtTrackGen::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 27 of file EvtTrackGen.cc.

{ model_name = "TrackGen"; }

init()

void EvtTrackGen::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 31 of file EvtTrackGen.cc.

                       {
 
  // check that there are 0 arguments
  checkNArg( 1 );
  int idx = getArg( 0 );
  if ( EvtGlobalSet::SV.size() == 0 )
  {
    std::cout << "No track data file is available! " << std::endl;
    abort();
  }
  else { m_inputFileName = EvtGlobalSet::SV[idx]; }
 
  m_inputFile.open( m_inputFileName.c_str() );
  if ( !m_inputFile )
  {
    cout << "EvtTrackGen: PROBLEMS OPENING FILE " << m_inputFileName << endl;
    exit( 0 );
  }
  // load the event P4
  Evt.clear();
  while ( !m_inputFile.eof() )
  {
    m_inputFile >> nParticles;
    std::vector<EvtVector4R> vp4;
    for ( int i = 0; i < nParticles; i++ )
    {
      EvtVector4R p4;
      m_inputFile >> idParticles[i];
      m_inputFile >> pxParticle;
      p4.set( 1, pxParticle );
      m_inputFile >> pyParticle;
      p4.set( 2, pyParticle );
      m_inputFile >> pzParticle;
      p4.set( 3, pzParticle );
      m_inputFile >> eParticle;
      p4.set( 0, eParticle );
      vp4.push_back( p4 );
    }
    Evt.push_back( vp4 );
  }
  Evt.pop_back();
  // check daughters id
  if ( nParticles != getNDaug() )
  {
    std::cout << "The number of daughters are not cosistent with that the data file"
              << std::endl;
    abort();
  }
  for ( int i = 0; i < nParticles; i++ )
  {
    EvtId pid = EvtPDL::evtIdFromStdHep( idParticles[i] );
    if ( pid != getDaug( i ) )
    {
      std::cout << "The daughter particle pdg in your data file is not consistent with you "
                   "decay card."
                << std::endl;
      abort();
    }
  }
  // debugging
  /*
  for(int i=0;i<Evt.size();i++){
    std::cout<<"Event "<<i<<std::endl;
    for(int j=0;j<nParticles;j++){
      std::cout<<Evt[i][j].get(0)<<" "<<Evt[i][j].get(1)<<" "<<Evt[i][j].get(2)<<"
  "<<Evt[i][j].get(3)<<std::endl;
    }
  }
  */
  //---------
}

initProbMax()

void EvtTrackGen::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 103 of file EvtTrackGen.cc.

{ noProbMax(); }

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The documentation for this class was generated from the following files:

• EvtTrackGen.hh
• EvtTrackGen.cc