PHG4SimpleEventGenerator Class Reference

Event generator to generate a set of particles under a condition of the vertex and the momentum. More...

#include </dev/shm/kenichi/update-github-e1039-doc/e1039-core/simulation/g4main/PHG4SimpleEventGenerator.h>

Inheritance diagram for PHG4SimpleEventGenerator:

Collaboration diagram for PHG4SimpleEventGenerator:

Public Types
enum	FUNCTION { Uniform , Gaus }
	supported function distributions More...
Public Types inherited from Fun4AllBase
enum	enu_Verbosity {   VERBOSITY_QUIET = 0 , VERBOSITY_SOME = 1 , VERBOSITY_MORE = 2 , VERBOSITY_EVEN_MORE = 3 ,   VERBOSITY_A_LOT = 4 , VERBOSITY_MAX = INT_MAX - 10 }

Public Member Functions
	PHG4SimpleEventGenerator (const std::string &name="EVTGENERATOR")
virtual	~PHG4SimpleEventGenerator ()
int	InitRun (PHCompositeNode *topNode)
int	process_event (PHCompositeNode *topNode)
int	End (PHCompositeNode *topNode)
	Called at the end of all processing. More...
void	add_particles (const std::string &name, const unsigned int count)
	interface for adding particles by name More...
void	add_particles (const int pid, const unsigned int count)
	interface for adding particle by pid More...
void	set_t0 (const double t0)
	set the starting time for the event More...
void	set_eta_range (const double eta_min, const double eta_max)
	range of randomized eta values More...
void	set_phi_range (const double phi_min, const double phi_max)
	range of randomized phi values More...
void	set_pt_range (const double pt_min, const double pt_max, const double pt_gaus_width=0)
void	set_p_range (const double p_min, const double p_max, const double p_gaus_width=0)
void	set_vertex_distribution_function (FUNCTION x, FUNCTION y, FUNCTION z)
	toss a new vertex according to a Uniform or Gaus distribution More...
void	set_vertex_distribution_mean (const double x, const double y, const double z)
	set the mean value of the vertex distribution More...
void	set_vertex_distribution_width (const double x, const double y, const double z)
	set the width of the vertex distribution function about the mean More...
void	set_existing_vertex_offset_vector (const double x, const double y, const double z)
	set an offset vector from the existing vertex More...
void	set_vertex_size_function (FUNCTION r)
	set the distribution function of particles about the vertex More...
void	set_vertex_size_parameters (const double mean, const double width)
	set the dimensions of the distribution of particles about the vertex More...
void	set_pxpypz_range (const double x_min, const double x_max, const double y_min, const double y_max, const double z_min, const double z_max)
void	enableLegacyVtxGen ()
	Enable legacy vertex gen. More...
Public Member Functions inherited from PHG4ParticleGeneratorBase
virtual	~PHG4ParticleGeneratorBase ()
virtual void	set_name (const std::string &particle="proton")
virtual void	set_pid (const int pid)
virtual void	set_mom (const double x, const double y, const double z)
virtual void	set_vtx (const double x, const double y, const double z)
virtual double	get_vtx_x () const
virtual double	get_vtx_y () const
virtual double	get_vtx_z () const
virtual double	get_t0 () const
virtual void	Print (const std::string &what="ALL") const
virtual void	AddParticle (const std::string &particle, const double x, const double y, const double z)
virtual void	AddParticle (const int pid, const double x, const double y, const double z)
virtual void	Embed (const int i=1)
virtual int	ReuseExistingVertex (PHCompositeNode *topNode)
int	get_reuse_existing_vertex () const
void	set_reuse_existing_vertex (const int i=1)
void	set_seed (const unsigned int iseed)
unsigned int	get_seed () const
Public Member Functions inherited from SubsysReco
virtual	~SubsysReco ()
virtual int	EndRun (const int)
	Called at the end of each run. More...
virtual int	Init (PHCompositeNode *)
virtual int	Reset (PHCompositeNode *)
	Reset. More...
virtual int	ResetEvent (PHCompositeNode *)
	Clean up after each event. More...
Public Member Functions inherited from Fun4AllBase
virtual	~Fun4AllBase ()
virtual const std::string	Name () const
	Returns the name of this module. More...
virtual void	Name (const std::string &name)
	Sets the name of this module. More...
virtual void	Verbosity (const int ival)
	Sets the verbosity of this module (0 by default=quiet). More...
virtual void	Verbosity (enu_Verbosity ival)
	Sets the verbosity of this module (0 by default=quiet). More...
virtual int	Verbosity () const
	Gets the verbosity of this module. More...

Additional Inherited Members
Protected Member Functions inherited from PHG4ParticleGeneratorBase
	PHG4ParticleGeneratorBase (const std::string &name="GENERATORBASE")
int	get_pdgcode (const std::string &name) const
std::string	get_pdgname (const int pdgcode) const
double	get_mass (const int pdgcode) const
void	CheckAndCreateParticleVector ()
void	SetParticleId (PHG4Particle *particle, PHG4InEvent *ineve)
Protected Member Functions inherited from SubsysReco
	SubsysReco (const std::string &name="NONAME")
Protected Member Functions inherited from Fun4AllBase
	Fun4AllBase (const std::string &name="NONAME")
Protected Attributes inherited from PHG4ParticleGeneratorBase
int	embedflag
int	reuse_existing_vertex
double	vtx_x
double	vtx_y
double	vtx_z
double	t0
std::vector< PHG4Particle * >	particlelist
unsigned int	seed
gsl_rng *	RandomGenerator
Protected Attributes inherited from Fun4AllBase
std::string	ThisName
int	verbosity
	The verbosity level. 0 means not verbose at all. More...

Detailed Description

Event generator to generate a set of particles under a condition of the vertex and the momentum.

Definition at line 19 of file PHG4SimpleEventGenerator.h.

Member Enumeration Documentation

FUNCTION

enum PHG4SimpleEventGenerator::FUNCTION

supported function distributions

Enumerator
Uniform
Gaus

Definition at line 24 of file PHG4SimpleEventGenerator.h.

Constructor & Destructor Documentation

PHG4SimpleEventGenerator()

PHG4SimpleEventGenerator::PHG4SimpleEventGenerator

(

const std::string &

name = "EVTGENERATOR"

)

Definition at line 30 of file PHG4SimpleEventGenerator.cc.

~PHG4SimpleEventGenerator()

virtual PHG4SimpleEventGenerator::~PHG4SimpleEventGenerator ( )

inlinevirtual

Definition at line 27 of file PHG4SimpleEventGenerator.h.

Member Function Documentation

add_particles() [1/2]

void PHG4SimpleEventGenerator::add_particles	(	const int	pid,
		const unsigned int	count
	)

interface for adding particle by pid

Definition at line 79 of file PHG4SimpleEventGenerator.cc.

add_particles() [2/2]

void PHG4SimpleEventGenerator::add_particles	(	const std::string &	name,
		const unsigned int	count
	)

interface for adding particles by name

Definition at line 74 of file PHG4SimpleEventGenerator.cc.

enableLegacyVtxGen()

void PHG4SimpleEventGenerator::enableLegacyVtxGen ( )

inline

Enable legacy vertex gen.

Definition at line 82 of file PHG4SimpleEventGenerator.h.

End()

int PHG4SimpleEventGenerator::End ( PHCompositeNode *  )

virtual

Called at the end of all processing.

Reimplemented from SubsysReco.

Definition at line 420 of file PHG4SimpleEventGenerator.cc.

References Fun4AllReturnCodes::EVENT_OK, recoConsts::instance(), and PHFlag::set_IntFlag().

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InitRun()

int PHG4SimpleEventGenerator::InitRun ( PHCompositeNode *  )

virtual

Called for first event when run number is known. Typically this is where you may want to fetch data from database, because you know the run number.

Reimplemented from PHG4ParticleGeneratorBase.

Definition at line 183 of file PHG4SimpleEventGenerator.cc.

References Fun4AllReturnCodes::ABORTRUN, PHCompositeNode::addNode(), Fun4AllReturnCodes::EVENT_OK, PHNodeIterator::findFirst(), Gaus, PHG4ParticleGeneratorBase::get_pdgname(), PHG4ParticleGeneratorBase::get_reuse_existing_vertex(), PHG4ParticleGeneratorBase::get_seed(), SQPrimaryVertexGen::InitRun(), recoConsts::instance(), Fun4AllBase::Name(), PHWHERE, recoConsts::set_CharFlag(), PHFlag::set_DoubleFlag(), PHFlag::set_IntFlag(), Uniform, and Fun4AllBase::verbosity.

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process_event()

int PHG4SimpleEventGenerator::process_event ( PHCompositeNode *  )

virtual

Called for each event. This is where you do the real work.

Reimplemented from PHG4ParticleGeneratorBase.

Definition at line 303 of file PHG4SimpleEventGenerator.cc.

References PHG4InEvent::AddEmbeddedParticle(), PHG4InEvent::AddParticle(), PHG4InEvent::AddVtx(), PHG4ParticleGeneratorBase::embedflag, Fun4AllReturnCodes::EVENT_OK, SQPrimaryVertexGen::generateVertex(), PHG4ParticleGeneratorBase::get_mass(), PHG4ParticleGeneratorBase::get_pdgcode(), PHG4InEvent::identify(), PHWHERE, PHG4ParticleGeneratorBase::RandomGenerator, PHG4ParticleGeneratorBase::reuse_existing_vertex, PHG4ParticleGeneratorBase::ReuseExistingVertex(), SQMCEvent::set_cross_section(), PHG4Particle::set_e(), SQEvent::set_event_id(), PHG4Particle::set_name(), PHG4Particle::set_parent_id(), PHG4Particle::set_pid(), PHG4Particle::set_px(), PHG4Particle::set_py(), PHG4Particle::set_pz(), SQEvent::set_run_id(), SQEvent::set_spill_id(), PHG4Particle::set_track_id(), PHG4Particle::set_vtx_id(), SQMCEvent::set_weight(), Fun4AllBase::verbosity, PHG4ParticleGeneratorBase::vtx_x, PHG4ParticleGeneratorBase::vtx_y, and PHG4ParticleGeneratorBase::vtx_z.

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set_eta_range()

void PHG4SimpleEventGenerator::set_eta_range	(	const double	eta_min,
		const double	eta_max
	)

range of randomized eta values

Definition at line 89 of file PHG4SimpleEventGenerator.cc.

set_existing_vertex_offset_vector()

void PHG4SimpleEventGenerator::set_existing_vertex_offset_vector	(	const double	x,
		const double	y,
		const double	z
	)

set an offset vector from the existing vertex

Definition at line 165 of file PHG4SimpleEventGenerator.cc.

set_p_range()

void PHG4SimpleEventGenerator::set_p_range	(	const double	p_min,
		const double	p_max,
		const double	p_gaus_width = 0
	)

range of randomized p values

Parameters

[in]

p_gaus_width

if non-zero, further apply a Gauss smearing to the p_min - p_max flat distribution

Definition at line 128 of file PHG4SimpleEventGenerator.cc.

set_phi_range()

void PHG4SimpleEventGenerator::set_phi_range	(	const double	phi_min,
		const double	phi_max
	)

range of randomized phi values

Definition at line 100 of file PHG4SimpleEventGenerator.cc.

set_pt_range()

void PHG4SimpleEventGenerator::set_pt_range	(	const double	pt_min,
		const double	pt_max,
		const double	pt_gaus_width = 0
	)

range of randomized pt values

Parameters

[in]

pt_gaus_width

if non-zero, further apply a Gauss smearing to the pt_min - pt_max flat distribution

Definition at line 111 of file PHG4SimpleEventGenerator.cc.

set_pxpypz_range()

void PHG4SimpleEventGenerator::set_pxpypz_range	(	const double	x_min,
		const double	x_max,
		const double	y_min,
		const double	y_max,
		const double	z_min,
		const double	z_max
	)

Definition at line 428 of file PHG4SimpleEventGenerator.cc.

set_t0()

void PHG4SimpleEventGenerator::set_t0 ( const double  t0 )

virtual

set the starting time for the event

Reimplemented from PHG4ParticleGeneratorBase.

Definition at line 84 of file PHG4SimpleEventGenerator.cc.

References PHG4ParticleGeneratorBase::t0.

set_vertex_distribution_function()

void PHG4SimpleEventGenerator::set_vertex_distribution_function	(	FUNCTION	x,
		FUNCTION	y,
		FUNCTION	z
	)

toss a new vertex according to a Uniform or Gaus distribution

Definition at line 144 of file PHG4SimpleEventGenerator.cc.

set_vertex_distribution_mean()

void PHG4SimpleEventGenerator::set_vertex_distribution_mean	(	const double	x,
		const double	y,
		const double	z
	)

set the mean value of the vertex distribution

Definition at line 151 of file PHG4SimpleEventGenerator.cc.

set_vertex_distribution_width()

void PHG4SimpleEventGenerator::set_vertex_distribution_width	(	const double	x,
		const double	y,
		const double	z
	)

set the width of the vertex distribution function about the mean

Definition at line 158 of file PHG4SimpleEventGenerator.cc.

set_vertex_size_function()

void PHG4SimpleEventGenerator::set_vertex_size_function

(

FUNCTION

r

)

set the distribution function of particles about the vertex

Definition at line 172 of file PHG4SimpleEventGenerator.cc.

set_vertex_size_parameters()

void PHG4SimpleEventGenerator::set_vertex_size_parameters	(	const double	mean,
		const double	width
	)

set the dimensions of the distribution of particles about the vertex

Definition at line 177 of file PHG4SimpleEventGenerator.cc.

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

• /dev/shm/kenichi/update-github-e1039-doc/e1039-core/simulation/g4main/PHG4SimpleEventGenerator.h
• /dev/shm/kenichi/update-github-e1039-doc/e1039-core/simulation/g4main/PHG4SimpleEventGenerator.cc