class DFDCSegment_factory: definition for a JFactory that produces space points from pseudopoints. More...

#include <DFDCSegment_factory.h>

Inheritance diagram for DFDCSegment_factory:

Classes
struct	xyz_t

Public Member Functions
	DFDCSegment_factory ()
	DFDCSegment_factory::DFDCSegment_factory(): default constructor – initializes log file. More...

	~DFDCSegment_factory ()
	DFDCSegment_factory::~DFDCSegment_factory(): default destructor – closes log file. More...

jerror_t	FindSegments (vector< const DFDCPseudo * > &points)

jerror_t	GetHelicalTrackPosition (double z, const DFDCSegment *segment, double &xpos, double &ypos)

jerror_t	RiemannHelicalFit (vector< const DFDCPseudo * > &points)

jerror_t	RiemannCircleFit (vector< const DFDCPseudo * > &points, DMatrix &CRPhi)

jerror_t	RiemannLineFit (vector< const DFDCPseudo * > &points, DMatrix &CR, vector< xyz_t > &XYZ)

jerror_t	UpdatePositionsAndCovariance (unsigned int n, double r1sq, vector< xyz_t > &XYZ, DMatrix &CRPhi, DMatrix &CR)

double	GetRotationSense (unsigned int n, vector< xyz_t > &XYZ, DMatrix &CR, DMatrix &CRPhi, vector< const DFDCPseudo * > &points)

jerror_t	CircleFit (vector< const DFDCPseudo * > &points)

jerror_t	LineFit (vector< const DFDCPseudo * > &points)

double	ComputeCircleChiSq (vector< const DFDCPseudo * > &neighbors)

void	FillSegmentData (DFDCSegment *segment)

Protected Member Functions
jerror_t	brun (JEventLoop *eventLoop, int32_t runnumber)
	DFDCSegment_factory::brun(): More...

jerror_t	evnt (JEventLoop *eventLoop, uint64_t eventNo)
	DFDCSegment_factory::evnt(): this is the place that finds track segments and converts pseudopoints into space points. More...

Private Attributes
JStreamLog *	_log

double	N [3]

double	varN [3][3]

double	dist_to_origin

double	xc

double	yc

double	rc

double	xavg [3]

double	var_avg

double	tanl

double	z0

double	zvertex

double	D

double	phi0

double	var_tanl

double	Phi1

double	rotation_sense

unsigned int	ref_plane

double	RotationSenseToCharge

double	chisq

int	Ndof

const DMagneticFieldMap *	bfield

const DLorentzDeflections *	lorentz_def

double	TARGET_Z

double	BEAM_VARIANCE

int	DEBUG_LEVEL

int	myeventno

Detailed Description

class DFDCSegment_factory: definition for a JFactory that produces space points from pseudopoints.

Definition at line 35 of file DFDCSegment_factory.h.

Constructor & Destructor Documentation

DFDCSegment_factory::DFDCSegment_factory ( )

DFDCSegment_factory::DFDCSegment_factory(): default constructor – initializes log file.

Definition at line 49 of file DFDCSegment_factory.cc.

DFDCSegment_factory::~DFDCSegment_factory ( )

DFDCSegment_factory::~DFDCSegment_factory(): default destructor – closes log file.

Definition at line 59 of file DFDCSegment_factory.cc.

Member Function Documentation

jerror_t DFDCSegment_factory::brun	(	JEventLoop *	eventLoop,
		int32_t	runnumber
	)

protected

DFDCSegment_factory::brun():

DFDCSegment_factory::brun(): Initialization: read in deflection map, get magnetic field map.

Definition at line 66 of file DFDCSegment_factory.cc.

References dapp, DApplication::GetBfield(), DMagneticFieldMap::GetBz(), DApplication::GetDGeometry(), and DGeometry::GetTargetZ().

jerror_t DFDCSegment_factory::CircleFit ( vector< const DFDCPseudo * > & points )

Definition at line 946 of file DFDCSegment_factory.cc.

References alpha, sqrt(), x, DFDCPseudo::xy, and y.

double DFDCSegment_factory::ComputeCircleChiSq ( vector< const DFDCPseudo * > & neighbors )

Definition at line 975 of file DFDCSegment_factory.cc.

References sin().

jerror_t DFDCSegment_factory::evnt	(	JEventLoop *	eventLoop,
		uint64_t	eventNo
	)

protected

DFDCSegment_factory::evnt(): this is the place that finds track segments and converts pseudopoints into space points.

DFDCSegment_factory::evnt(): Routine where pseudopoints are combined into track segments.

Definition at line 96 of file DFDCSegment_factory.cc.

References DFDCSegment_package_cmp(), and size.

void DFDCSegment_factory::FillSegmentData ( DFDCSegment * segment )

Definition at line 992 of file DFDCSegment_factory.cc.

References DFDCSegment::chisq, DFDCSegment::D, DFDCSegment::Ndof, DFDCSegment::phi0, DFDCSegment::Phi1, DFDCSegment::q, DFDCSegment::rc, sin(), DFDCSegment::tanl, DFDCSegment::xc, DFDCSegment::yc, and DFDCSegment::z_vertex.

jerror_t DFDCSegment_factory::FindSegments ( vector< const DFDCPseudo * > & points )

Definition at line 639 of file DFDCSegment_factory.cc.

References ADJACENT_MATCH_DISTANCE, DFDCSegment_package_cmp(), DFDCSegment::hits, MATCH_RADIUS, DFDCSegment::package, DFDCSegment::Phi1, DFDCSegment::rc, sin(), sqrt(), DFDCSegment::tanl, DFDCSegment::xc, and DFDCSegment::yc.

jerror_t DFDCSegment_factory::GetHelicalTrackPosition	(	double	z,
		const DFDCSegment *	segment,
		double &	xpos,
		double &	ypos
	)

double DFDCSegment_factory::GetRotationSense	(	unsigned int	n,
		vector< xyz_t > &	XYZ,
		DMatrix &	CR,
		DMatrix &	CRPhi,
		vector< const DFDCPseudo * > &	points
	)

Definition at line 844 of file DFDCSegment_factory.cc.

References sin().

jerror_t DFDCSegment_factory::LineFit ( vector< const DFDCPseudo * > & points )

Definition at line 885 of file DFDCSegment_factory.cc.

References EPS, and sin().

jerror_t DFDCSegment_factory::RiemannCircleFit	(	vector< const DFDCPseudo * > &	points,
		DMatrix &	CRPhi
	)

Definition at line 339 of file DFDCSegment_factory.cc.

References B0, ONE_THIRD, sin(), sqrt(), SQRT3, temp, and X.

jerror_t DFDCSegment_factory::RiemannHelicalFit ( vector< const DFDCPseudo * > & points )

Definition at line 456 of file DFDCSegment_factory.cc.

References _DBG_, sin(), and u.

jerror_t DFDCSegment_factory::RiemannLineFit	(	vector< const DFDCPseudo * > &	points,
		DMatrix &	CR,
		vector< xyz_t > &	XYZ
	)

Definition at line 128 of file DFDCSegment_factory.cc.

References EPS, sqrt(), and temp.

jerror_t DFDCSegment_factory::UpdatePositionsAndCovariance	(	unsigned int	n,
		double	r1sq,
		vector< xyz_t > &	XYZ,
		DMatrix &	CRPhi,
		DMatrix &	CR
	)

Definition at line 240 of file DFDCSegment_factory.cc.

References S, sin(), and sqrt().

Member Data Documentation

JStreamLog* DFDCSegment_factory::_log

private

Definition at line 90 of file DFDCSegment_factory.h.

double DFDCSegment_factory::BEAM_VARIANCE

private

Definition at line 111 of file DFDCSegment_factory.h.

const DMagneticFieldMap* DFDCSegment_factory::bfield

private

Definition at line 107 of file DFDCSegment_factory.h.

double DFDCSegment_factory::chisq

private

Definition at line 104 of file DFDCSegment_factory.h.

double DFDCSegment_factory::D

private

Definition at line 98 of file DFDCSegment_factory.h.

int DFDCSegment_factory::DEBUG_LEVEL

private

Definition at line 112 of file DFDCSegment_factory.h.

double DFDCSegment_factory::dist_to_origin

private

Definition at line 94 of file DFDCSegment_factory.h.

const DLorentzDeflections* DFDCSegment_factory::lorentz_def

private

Definition at line 108 of file DFDCSegment_factory.h.

int DFDCSegment_factory::myeventno

private

Definition at line 114 of file DFDCSegment_factory.h.

double DFDCSegment_factory::N[3]

private

Definition at line 92 of file DFDCSegment_factory.h.

int DFDCSegment_factory::Ndof

private

Definition at line 105 of file DFDCSegment_factory.h.

double DFDCSegment_factory::phi0

private

Definition at line 98 of file DFDCSegment_factory.h.

double DFDCSegment_factory::Phi1

private

Definition at line 99 of file DFDCSegment_factory.h.

double DFDCSegment_factory::rc

private

Definition at line 94 of file DFDCSegment_factory.h.

unsigned int DFDCSegment_factory::ref_plane

private

Definition at line 101 of file DFDCSegment_factory.h.

double DFDCSegment_factory::rotation_sense

private

Definition at line 100 of file DFDCSegment_factory.h.

double DFDCSegment_factory::RotationSenseToCharge

private

Definition at line 102 of file DFDCSegment_factory.h.

double DFDCSegment_factory::tanl

private

Definition at line 98 of file DFDCSegment_factory.h.

double DFDCSegment_factory::TARGET_Z

private

Definition at line 111 of file DFDCSegment_factory.h.

double DFDCSegment_factory::var_avg

private

Definition at line 95 of file DFDCSegment_factory.h.

double DFDCSegment_factory::var_tanl

private

Definition at line 99 of file DFDCSegment_factory.h.

double DFDCSegment_factory::varN[3][3]

private

Definition at line 93 of file DFDCSegment_factory.h.

double DFDCSegment_factory::xavg[3]

private

Definition at line 95 of file DFDCSegment_factory.h.

double DFDCSegment_factory::xc

private

Definition at line 94 of file DFDCSegment_factory.h.

double DFDCSegment_factory::yc

private

Definition at line 94 of file DFDCSegment_factory.h.

double DFDCSegment_factory::z0

private

Definition at line 98 of file DFDCSegment_factory.h.

double DFDCSegment_factory::zvertex

private

Definition at line 98 of file DFDCSegment_factory.h.

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

Classes

Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation