GFDetPlane Class Reference

Detector plane genfit geometry class. More...

#include <GFDetPlane.h>

Inheritance diagram for GFDetPlane:

Public Member Functions
	GFDetPlane (GFAbsFinitePlane *finite=nullptr)
	GFDetPlane (const TVector3 &o, const TVector3 &u, const TVector3 &v, GFAbsFinitePlane *finite=nullptr)
	GFDetPlane (const TVector3 &o, const TVector3 &n, GFAbsFinitePlane *finite=nullptr)
virtual	~GFDetPlane ()
	GFDetPlane (const GFDetPlane &)
GFDetPlane &	operator= (const GFDetPlane &)
TVector3	getO () const
TVector3	getU () const
TVector3	getV () const
void	set (const TVector3 &o, const TVector3 &u, const TVector3 &v)
void	setO (const TVector3 &o)
void	setO (double, double, double)
void	setU (const TVector3 &u)
void	setU (double, double, double)
void	setV (const TVector3 &v)
void	setV (double, double, double)
void	setUV (const TVector3 &u, const TVector3 &v)
void	setON (const TVector3 &o, const TVector3 &n)
void	setFinitePlane (GFAbsFinitePlane *finite)
TVector3	getNormal () const
void	setNormal (TVector3 n)
void	setNormal (double, double, double)
void	setNormal (const double &theta, const double &phi)
TVector2	project (const TVector3 &x) const
	projecting a direction onto the plane: More...
TVector2	LabToPlane (const TVector3 &x) const
	transform from Lab system into plane More...
TVector3	toLab (const TVector2 &x) const
	transform from plane coordinates to lab system More...
TVector3	dist (const TVector3 &point) const
TVector2	straightLineToPlane (const TVector3 &point, const TVector3 &dir) const
	gives u,v coordinates of the intersection point of a straight line with plane More...
void	Print () const
void	getGraphics (double mesh, double length, TPolyMarker3D **pl, TPolyLine3D **plLine, TPolyLine3D **u, TPolyLine3D **v, TPolyLine3D **n=nullptr)
	for poor attempts of making an event display. There is a lot of room for improvements. More...
double	distance (TVector3 &) const
double	distance (double, double, double) const
bool	inActive (const TVector3 &point, const TVector3 &dir) const
	intersect in the active area? C.f. GFAbsFinitePlane More...
bool	inActive (double u, double v) const
	inActive methods refer to finite plane. C.f. GFAbsFinitePlane More...
bool	inActive (const TVector2 &v) const
	inActive methods refer to finite plane. C.f. GFAbsFinitePlane More...

Friends
bool	operator== (const GFDetPlane &lhs, const GFDetPlane &rhs)
bool	operator!= (const GFDetPlane &lhs, const GFDetPlane &rhs)
	returns NOT == More...

Detailed Description

Detector plane genfit geometry class.

A detector plane is the principle object to define coordinate systems for track fitting in genfit. Since a particle trajectory is a one-dimensional object (regardless of any specific parameterization) positions with repect to the track are always meassured in a plane.

Which plane is choosen depends on the type of detector. Fixed plane detectors have their detector plane defined by their mechanical setup. While wire chambers or time projection chambers might want to define a detector plane more flexibly.

This class parameterizes a plane in terms of an origin vector o and two plane-spanning directions u and v.

Definition at line 58 of file GFDetPlane.h.

Constructor & Destructor Documentation

GFDetPlane() [1/4]

GFDetPlane::GFDetPlane

(

GFAbsFinitePlane *

finite = nullptr

)

GFDetPlane() [2/4]

GFDetPlane::GFDetPlane	(	const TVector3 &	o,
		const TVector3 &	u,
		const TVector3 &	v,
		GFAbsFinitePlane *	finite = nullptr
	)

GFDetPlane() [3/4]

GFDetPlane::GFDetPlane	(	const TVector3 &	o,
		const TVector3 &	n,
		GFAbsFinitePlane *	finite = nullptr
	)

~GFDetPlane()

virtual GFDetPlane::~GFDetPlane ( )

virtual

GFDetPlane() [4/4]

GFDetPlane::GFDetPlane

(

const GFDetPlane &

)

Member Function Documentation

dist()

TVector3 GFDetPlane::dist

(

const TVector3 &

point

)

const

Referenced by setFinitePlane().

distance() [1/2]

double GFDetPlane::distance

(

TVector3 &

)

const

Referenced by setFinitePlane().

distance() [2/2]

double GFDetPlane::distance	(	double	,
		double	,
		double
	)		const

getGraphics()

void GFDetPlane::getGraphics	(	double	mesh,
		double	length,
		TPolyMarker3D **	pl,
		TPolyLine3D **	plLine,
		TPolyLine3D **	u,
		TPolyLine3D **	v,
		TPolyLine3D **	n = nullptr
	)

for poor attempts of making an event display. There is a lot of room for improvements.

Referenced by setFinitePlane().

getNormal()

TVector3 GFDetPlane::getNormal

(

)

const

Referenced by setFinitePlane().

getO()

TVector3 GFDetPlane::getO ( ) const

inline

Definition at line 68 of file GFDetPlane.h.

{ return fO; }

getU()

TVector3 GFDetPlane::getU ( ) const

inline

Definition at line 69 of file GFDetPlane.h.

{ return fU; }

getV()

TVector3 GFDetPlane::getV ( ) const

inline

Definition at line 70 of file GFDetPlane.h.

References setO(), setON(), setU(), setUV(), setV(), and v.

{ return fV; }

inActive() [1/3]

bool GFDetPlane::inActive ( const TVector3 &  point, const TVector3 &  dir  ) const

inline

intersect in the active area? C.f. GFAbsFinitePlane

Definition at line 121 of file GFDetPlane.h.

References inActive(), and straightLineToPlane().

Referenced by inActive().

{ return this->inActive(this->straightLineToPlane(point, dir)); }

inActive() [2/3]

bool GFDetPlane::inActive ( double  u, double  v  ) const

inline

inActive methods refer to finite plane. C.f. GFAbsFinitePlane

Definition at line 124 of file GFDetPlane.h.

References GFAbsFinitePlane::inActive().

  {
    if (fFinitePlane == nullptr)
      return true;
    return fFinitePlane->inActive(u, v);
  }

inActive() [3/3]

bool GFDetPlane::inActive ( const TVector2 &  v ) const

inline

inActive methods refer to finite plane. C.f. GFAbsFinitePlane

Definition at line 132 of file GFDetPlane.h.

References inActive().

Referenced by inActive().

{ return inActive(v.X(), v.Y()); }

LabToPlane()

TVector2 GFDetPlane::LabToPlane

(

const TVector3 &

x

)

const

transform from Lab system into plane

Referenced by setFinitePlane().

operator=()

GFDetPlane& GFDetPlane::operator=

(

const GFDetPlane &

)

Print()

void GFDetPlane::Print

(

)

const

Referenced by setFinitePlane().

project()

TVector2 GFDetPlane::project

(

const TVector3 &

x

)

const

projecting a direction onto the plane:

Referenced by setFinitePlane().

set()

void GFDetPlane::set	(	const TVector3 &	o,
		const TVector3 &	u,
		const TVector3 &	v
	)

setFinitePlane()

void GFDetPlane::setFinitePlane ( GFAbsFinitePlane *  finite )

inline

Optionally, set the finite plane definition. This is most important for avoiding fake intersection points in fitting of loopers. This should be implemented for silicon detectors most importantly.

Definition at line 87 of file GFDetPlane.h.

References dist(), distance(), getGraphics(), getNormal(), LabToPlane(), operator!=, operator==, Print(), project(), setNormal(), straightLineToPlane(), and toLab().

{ fFinitePlane = finite; }

setNormal() [1/3]

void GFDetPlane::setNormal

(

TVector3

n

)

Referenced by setFinitePlane().

setNormal() [2/3]

void GFDetPlane::setNormal	(	double	,
		double	,
		double
	)

setNormal() [3/3]

void GFDetPlane::setNormal	(	const double &	theta,
		const double &	phi
	)

setO() [1/2]

void GFDetPlane::setO

(

const TVector3 &

o

)

Referenced by getV().

setO() [2/2]

void GFDetPlane::setO	(	double	,
		double	,
		double
	)

setON()

void GFDetPlane::setON	(	const TVector3 &	o,
		const TVector3 &	n
	)

Referenced by getV().

setU() [1/2]

void GFDetPlane::setU

(

const TVector3 &

u

)

Referenced by getV().

setU() [2/2]

void GFDetPlane::setU	(	double	,
		double	,
		double
	)

setUV()

void GFDetPlane::setUV	(	const TVector3 &	u,
		const TVector3 &	v
	)

Referenced by getV().

setV() [1/2]

void GFDetPlane::setV

(

const TVector3 &

v

)

Referenced by getV().

setV() [2/2]

void GFDetPlane::setV	(	double	,
		double	,
		double
	)

straightLineToPlane()

TVector2 GFDetPlane::straightLineToPlane	(	const TVector3 &	point,
		const TVector3 &	dir
	)		const

gives u,v coordinates of the intersection point of a straight line with plane

Referenced by inActive(), and setFinitePlane().

toLab()

TVector3 GFDetPlane::toLab

(

const TVector2 &

x

)

const

transform from plane coordinates to lab system

Referenced by setFinitePlane().

Friends And Related Function Documentation

operator!=

bool operator!= ( const GFDetPlane &  lhs, const GFDetPlane &  rhs  )

friend

returns NOT ==

Referenced by setFinitePlane().

operator==

bool operator== ( const GFDetPlane &  lhs, const GFDetPlane &  rhs  )

friend

this operator is called very often in Kalman filtering. It checks equality of planes by comparing the 9 double values that define them.

Referenced by setFinitePlane().

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

• GFDetPlane.h