#include <FairPrimaryGenerator.h>

Inheritance diagram for FairPrimaryGenerator:

Public Member Functions
	FairPrimaryGenerator ()

	FairPrimaryGenerator (const char name, const char title="FAIR Generator")

virtual	~FairPrimaryGenerator ()

virtual Bool_t	Init ()

void	AddGenerator (FairGenerator *generator)

void	SetEventNr (Int_t evtNr)

virtual Bool_t	GenerateEvent (FairGenericStack *pStack)

virtual void	AddTrack (Int_t pdgid, Double_t px, Double_t py, Double_t pz, Double_t vx, Double_t vy, Double_t vz, Int_t parent=-1, Bool_t wanttracking=true, Double_t e=-9e9, Double_t tof=0., Double_t weight=0., TMCProcess proc=kPPrimary)

virtual FairPrimaryGenerator *	ClonePrimaryGenerator () const

void	SetBeam (Double_t beamX0, Double_t beamY0, Double_t beamSigmaX, Double_t beamSigmaY)

void	SetBeamAngle (Double_t beamAngleX0, Double_t beamAngleY0, Double_t beamAngleSigmaX, Double_t beamAngleSigmaY)

void	SetEventPlane (Double_t phiMin, Double_t phiMax)

void	SetTarget (Double_t targetZ, Double_t targetDz)

void	SetMultTarget (Int_t nroftargets, Double_t *targetZ, Double_t targetDz)

void	SmearVertexZ (Bool_t flag)

void	SmearGausVertexZ (Bool_t flag)

void	SmearVertexXY (Bool_t flag)

void	SmearGausVertexXY (Bool_t flag)

TObjArray *	GetListOfGenerators ()

void	SetEvent (FairMCEventHeader *event)

FairMCEventHeader *	GetEvent ()

void	DoTracking (Bool_t doTracking=kTRUE)

Int_t	GetTotPrimary ()

Protected Member Functions
	FairPrimaryGenerator (const FairPrimaryGenerator &)

FairPrimaryGenerator &	operator= (const FairPrimaryGenerator &)

virtual void	MakeVertex ()

virtual void	MakeBeamAngle ()

void	MakeEventPlane ()

	ClassDef (FairPrimaryGenerator, 5)

Protected Attributes
Double_t	fBeamX0

Double_t	fBeamY0

Double_t	fBeamSigmaX

Double_t	fBeamSigmaY

Double_t	fBeamAngleX0

Double_t	fBeamAngleY0

Double_t	fBeamAngleX

Double_t	fBeamAngleY

Double_t	fBeamAngleSigmaX

Double_t	fBeamAngleSigmaY

TVector3	fBeamDirection

Double_t	fPhiMin

Double_t	fPhiMax

Double_t	fPhi

Double_t *	fTargetZ

Int_t	fNrTargets

Double_t	fTargetDz

TVector3	fVertex

Int_t	fNTracks

Bool_t	fSmearVertexZ

Bool_t	fSmearGausVertexZ

Bool_t	fSmearVertexXY

Bool_t	fSmearGausVertexXY

Bool_t	fBeamAngle

Bool_t	fEventPlane

FairGenericStack *	fStack

TObjArray *	fGenList

TIterator *	fListIter

FairMCEventHeader *	fEvent

Bool_t	fdoTracking

Int_t	fMCIndexOffset

Int_t	fEventNr

Static Protected Attributes
static Int_t	fTotPrim = 0

Detailed Description

Definition at line 39 of file FairPrimaryGenerator.h.

Constructor & Destructor Documentation

FairPrimaryGenerator::FairPrimaryGenerator ( )

Default constructor.

Definition at line 30 of file FairPrimaryGenerator.cxx.

FairPrimaryGenerator::FairPrimaryGenerator	(	const char *	name,
		const char *	title = `"FAIR Generator"`
	)

Constructor with name and title

Definition at line 68 of file FairPrimaryGenerator.cxx.

FairPrimaryGenerator::~FairPrimaryGenerator ( )

virtual

Destructor.

Definition at line 156 of file FairPrimaryGenerator.cxx.

FairPrimaryGenerator::FairPrimaryGenerator ( const FairPrimaryGenerator & rhs )

protected

Copy constructor

Definition at line 106 of file FairPrimaryGenerator.cxx.

Member Function Documentation

void FairPrimaryGenerator::AddGenerator ( FairGenerator * generator )

inline

Register a generator derived from FairGenerator.

Definition at line 56 of file FairPrimaryGenerator.h.

void FairPrimaryGenerator::AddTrack	(	Int_t	pdgid,
		Double_t	px,
		Double_t	py,
		Double_t	pz,
		Double_t	vx,
		Double_t	vy,
		Double_t	vz,
		Int_t	parent = `-1`,
		Bool_t	wanttracking = `true`,
		Double_t	e = `-9e9`,
		Double_t	tof = `0.`,
		Double_t	weight = `0.`,
		TMCProcess	proc = `kPPrimary`
	)

virtual

Public method AddTrack Adding a track to the MC stack. To be called within the ReadEvent methods of the registered generators.

Parameters

pdgid	Particle ID (PDG code)
px,py,pz	Momentum coordinates [GeV]
vx,vy,vz	Track origin relative to event vertex

Definition at line 279 of file FairPrimaryGenerator.cxx.

FairPrimaryGenerator::ClassDef	(	FairPrimaryGenerator	,
		5
	)

protected

FairPrimaryGenerator * FairPrimaryGenerator::ClonePrimaryGenerator ( ) const

virtual

Clone this object (used in MT mode only)

Clone generators in the list

Definition at line 396 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::DoTracking ( Bool_t doTracking = kTRUE )

inline

Swich on/off the tracking of a particle

Definition at line 154 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::GenerateEvent ( FairGenericStack * pStack )

virtual

Public method GenerateEvent To be called at the beginning of each event from FairMCApplication. Generates an event vertex and calls the ReadEvent methods from the registered generators.

Parameters

pStack The particle stack

Returns: kTRUE if successful, kFALSE if not

Definition at line 212 of file FairPrimaryGenerator.cxx.

FairMCEventHeader* FairPrimaryGenerator::GetEvent ( )

inline

Accessor to the MCEvent

Definition at line 150 of file FairPrimaryGenerator.h.

TObjArray* FairPrimaryGenerator::GetListOfGenerators ( )

inline

Definition at line 144 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::GetTotPrimary ( )

inline

Definition at line 156 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::Init ( )

virtual

Initialize the generater (if needed!)

Initialize list of generators

Definition at line 144 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::MakeBeamAngle ( )

protectedvirtual

  Private method MakeBeamAngle. If beam angle smearing in xy

is switched on, all tracks in an event are rotated by a Gaussianlike angle distribution around the x and y axis according to the mean beam angle and angle widths set by the SetBeamAngle method. To be called at the beginning of the event from the GenerateEvent method.

Definition at line 499 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::MakeEventPlane ( )

protected

Private method MakeEventPlane. If the rotation of the event around the z-axis by a random angle is switched on, the complete event is rotated by the chosen angle. This function is called at the beginning of the event from the GenerateEvent method. The function pick a random rotation angle between fPhiMin and fPhiMax which are set using the function SetEventPlane.

Definition at line 508 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::MakeVertex ( )

protectedvirtual

Private method MakeVertex. If vertex smearing in xy is switched on, the event vertex is smeared Gaussianlike in x and y direction according to the mean beam positions and widths set by the SetBeam method. If vertex smearing in z is switched on, the z coordinate of the event vertex is flatly distributed over the extension of the target. To be called at the beginning of the event from the GenerateEvent method.

Definition at line 459 of file FairPrimaryGenerator.cxx.

FairPrimaryGenerator & FairPrimaryGenerator::operator= ( const FairPrimaryGenerator & rhs )

protected

Assignment operator

Definition at line 165 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SetBeam	(	Double_t	beamX0,
		Double_t	beamY0,
		Double_t	beamSigmaX,
		Double_t	beamSigmaY
	)

Set beam position and widths.

Parameters

beamX0	mean x position of beam at target
beamY0	mean y position of beam at target
beamSigmaX	Gaussian beam width in x
beamSigmaY	Gaussian beam width in y

Definition at line 411 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SetBeamAngle	(	Double_t	beamAngleX0,
		Double_t	beamAngleY0,
		Double_t	beamAngleSigmaX,
		Double_t	beamAngleSigmaY
	)

Set nominal beam angle and angle widths.

Parameters

beamAngleX0	mean x angle of beam at target
beamAngleY0	mean y angle of beam at target
beamAngleSigmaX	Gaussian beam angle width in x
beamAngleSigmaY	Gaussian beam angle width in y

Definition at line 419 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SetEvent ( FairMCEventHeader * event )

inline

Set the pointer to the MCEvent

Definition at line 147 of file FairPrimaryGenerator.h.

void FairPrimaryGenerator::SetEventNr ( Int_t evtNr )

inline

Definition at line 65 of file FairPrimaryGenerator.h.

void FairPrimaryGenerator::SetEventPlane	(	Double_t	phiMin,
		Double_t	phiMax
	)

Public method SetEventPlane

Parameters

phiMin	Lower limit for event plane angle [rad]
phiMax	Upper limit for event plane angle [rad] If set, an event plane angle will be generated with flat distrtibution between phiMin and phiMax.

Definition at line 431 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SetMultTarget	(	Int_t	nroftargets,
		Double_t *	targetZ,
		Double_t	targetDz
	)

Set target position for multiple tagets. The thickness is the same for all targets.

Parameters

nroftargets	number of targets
*targetZ	z positions of target center
targetDz	full target thickness

Definition at line 445 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SetTarget	(	Double_t	targetZ,
		Double_t	targetDz
	)

Set target position and thickness.

Parameters

targetZ	z position of target center
targetDz	full target thickness

Definition at line 438 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SmearGausVertexXY ( Bool_t flag )

Definition at line 536 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SmearGausVertexZ ( Bool_t flag )

Definition at line 522 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SmearVertexXY ( Bool_t flag )

Definition at line 529 of file FairPrimaryGenerator.cxx.

void FairPrimaryGenerator::SmearVertexZ ( Bool_t flag )

Enable vertex smearing in z and/or xy direction

Definition at line 514 of file FairPrimaryGenerator.cxx.

Member Data Documentation

Bool_t FairPrimaryGenerator::fBeamAngle

protected

Flag for beam gradient calculation

Definition at line 217 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleSigmaX

protected

Beam angle width (Gaussian) in x [rad]

Definition at line 182 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleSigmaY

protected

Beam angle width (Gaussian) in y [rad]

Definition at line 184 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleX

protected

Actual beam angle at target in x [rad]

Definition at line 178 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleX0

protected

Nominal beam angle at target in x [rad]

Definition at line 174 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleY

protected

Actual beam angle at target in y [rad]

Definition at line 180 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamAngleY0

protected

Nominal beam angle at target in y [rad]

Definition at line 176 of file FairPrimaryGenerator.h.

TVector3 FairPrimaryGenerator::fBeamDirection

protected

Actual beam direction at the vertex

Definition at line 186 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamSigmaX

protected

Beam width (Gaussian) in x [cm]

Definition at line 169 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamSigmaY

protected

Beam width (Gaussian) in y [cm]

Definition at line 171 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamX0

protected

Nominal beam position at target in x [cm]

Definition at line 165 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fBeamY0

protected

Nominal beam position at target in y [cm]

Definition at line 167 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fdoTracking

protected

go to tracking

Definition at line 230 of file FairPrimaryGenerator.h.

FairMCEventHeader* FairPrimaryGenerator::fEvent

protected

Pointer to MCEventHeader

Definition at line 228 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::fEventNr

protected

Event number (Set by the primary generator if not set already by one of the specific generators

Definition at line 239 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fEventPlane

protected

Flag for event plane rotation

Definition at line 219 of file FairPrimaryGenerator.h.

TObjArray* FairPrimaryGenerator::fGenList

protected

List of registered generators

Definition at line 224 of file FairPrimaryGenerator.h.

TIterator* FairPrimaryGenerator::fListIter

protected

Iterator over generator list

Definition at line 226 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::fMCIndexOffset

protected

Number of MC tracks before a Generator is called, needed for MC index update

Definition at line 233 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::fNrTargets

protected

Number of targets;

Definition at line 198 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::fNTracks

protected

Number of primary tracks in current event

Definition at line 206 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fPhi

protected

Actual event plane rotation angle [rad]

Definition at line 193 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fPhiMax

protected

Upper limit for the event plane rotation angle [rad]

Definition at line 191 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fPhiMin

protected

Lower limit for the event plane rotation angle [rad]

Definition at line 189 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fSmearGausVertexXY

protected

Flag for gaus vertex smearing in xy

Definition at line 215 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fSmearGausVertexZ

protected

Flag for gaus vertex smearing in z

Definition at line 211 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fSmearVertexXY

protected

Flag for vertex smearing in xy

Definition at line 213 of file FairPrimaryGenerator.h.

Bool_t FairPrimaryGenerator::fSmearVertexZ

protected

Flag for uniform vertex smearing in z

Definition at line 209 of file FairPrimaryGenerator.h.

FairGenericStack* FairPrimaryGenerator::fStack

protected

Pointer to MC stack

Definition at line 222 of file FairPrimaryGenerator.h.

Double_t FairPrimaryGenerator::fTargetDz

protected

Full target thickness [cm]

Definition at line 200 of file FairPrimaryGenerator.h.

Double_t* FairPrimaryGenerator::fTargetZ

protected

Nominal z position of center of targets [cm]

Definition at line 196 of file FairPrimaryGenerator.h.

Int_t FairPrimaryGenerator::fTotPrim = 0

staticprotected

Number of all primaries of this run

Definition at line 235 of file FairPrimaryGenerator.h.

TVector3 FairPrimaryGenerator::fVertex

protected

Vertex position of current event [cm]

Definition at line 203 of file FairPrimaryGenerator.h.

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

/tmp/turany/FairRoot/base/sim/FairPrimaryGenerator.h
/tmp/turany/FairRoot/base/sim/FairPrimaryGenerator.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation