#include <Helix.h>

Inheritance diagram for Hal::HelixY:

Public Member Functions
	HelixY (const TVector3 &x, const TVector3 &mom, Double_t charge, Double_t conversion=0.)

void	PathLength (Double_t r, Double_t &s1, Double_t &s2) const

void	PathLength (Double_t r, Double_t z, Double_t x, Double_t &s1, Double_t &s2) const

void	SetParams (const TVector3 &x, const TVector3 &mom, Double_t charge, Double_t conversion=0.)

void	EvaluateFull (Double_t s, TVector3 &mom, TVector3 &pos) const

Double_t	GetXcenter () const

Double_t	GetYcenter () const

Double_t	GetZcenter () const

Double_t	GetStartX () const

Double_t	GetStartY () const

Double_t	GetStartZ () const

Double_t	PathLength (const TVector3 &point, Bool_t scanPeriods=kTRUE) const

Double_t	PathLength (Double_t z, Double_t x) const

TVector3	EvalPos (Double_t s) const

TVector3	EvalMom (Double_t s) const

TVector3	GetStartPoint () const

Int_t	Intersection (Double_t R, TVector3 &x1, TVector3 &x2) const

HelixY &	operator= (const HelixY &helix)

void	Print (Option_t *="") const

void	Shift (Double_t x, Double_t y, Double_t z)

Public Member Functions inherited from Hal::HelixBase
	HelixBase (const HelixBase &t)

	HelixBase (const TVector3 &x, const TVector3 &mom, Double_t charge, Double_t conversion=0.)

Double_t	GetCurv () const

Double_t	GetPhi0 () const

Double_t	GetDipAngle () const

Double_t	GetH () const

HelixBase &	operator= (const HelixBase &helix)

void	PathLengths (const HelixBase &h, Double_t &s1, Double_t &s2) const

Double_t	GetPathAbsMin (Double_t s1, Double_t s2) const

Double_t	GetPeriod () const

Double_t	GetRotationDirection () const

Additional Inherited Members
Static Public Member Functions inherited from Hal::HelixBase
static void	SetMagField (Double_t Bz)

static Double_t	MaxPath ()

Protected Member Functions inherited from Hal::HelixBase
	HelixBase (Double_t x, Double_t y, Double_t z, Double_t px, Double_t py, Double_t pz, Double_t charge, Double_t conversion=0.)

void	BasePathLength (Double_t r, Double_t x, Double_t y, Double_t &s1, Double_t &s2) const

void	BaseSetParams (const TVector3 &x, const TVector3 &mom, Double_t charge, Double_t conversion=0.)

void	BaseSetParams (Double_t x, Double_t y, Double_t z, Double_t px, Double_t py, Double_t pz, Double_t charge, Double_t conversion=0)

Double_t	BaseGetXcenter () const

Double_t	BaseGetYcenter () const

Double_t	BaseGetStartX () const

Double_t	BaseGetStartY () const

Double_t	BaseGetStartZ () const

Double_t	BasePathLength (const TVector3 &point, Bool_t scanPeriods=kTRUE) const

Double_t	BasePathLength (Double_t x, Double_t y) const

TVector3	BasePosition (Double_t s) const

TVector3	BaseGetStartPoint () const

TVector3	BaseMomentum (Double_t s) const

Int_t	BaseIntersection (Double_t R, TVector3 &x1, TVector3 &x2) const

void	BasePrint () const

void	BasePathLength (Double_t r, Double_t &s1, Double_t &s2) const

void	BaseShift (Double_t x, Double_t y, Double_t z)

void	BaseFullEval (Double_t s, TVector3 &mom, TVector3 &pos) const

Detailed Description

helix with non-zero constant By field

Definition at line 317 of file Helix.h.

Constructor & Destructor Documentation

◆ HelixY() [1/2]

Hal::HelixY::HelixY ( )

Definition at line 38 of file Helix.cxx.

◆ HelixY() [2/2]

Hal::HelixY::HelixY	(	const TVector3 &	x,
		const TVector3 &	mom,
		Double_t	charge,
		Double_t	conversion = 0. )

Parameters

x	initial position
mom	momentum at x
charge	electric charge in e
conversion	not used

Definition at line 40 of file Helix.cxx.

◆ ~HelixY()

virtual Hal::HelixY::~HelixY ( )

inlinevirtual

Definition at line 466 of file Helix.h.

Member Function Documentation

◆ EvalMom()

TVector3 Hal::HelixY::EvalMom ( Double_t s ) const

inline

Parameters

s

Returns: momentum at s

Definition at line 425 of file Helix.h.

◆ EvalPos()

TVector3 Hal::HelixY::EvalPos ( Double_t s ) const

inline

Parameters

s

Returns: helix corrdinates at lengith s

Definition at line 415 of file Helix.h.

◆ EvaluateFull()

void Hal::HelixY::EvaluateFull	(	Double_t	s,
		TVector3 &	mom,
		TVector3 &	pos ) const

inline

calculates the momentum and position of trajectory at given s

Parameters

s
mom
pos

Definition at line 356 of file Helix.h.

◆ GetStartPoint()

TVector3 Hal::HelixY::GetStartPoint ( ) const

inline

Returns: star point of helix

Definition at line 434 of file Helix.h.

◆ GetStartX()

Double_t Hal::HelixY::GetStartX ( ) const

inline

Returns: start X

Definition at line 381 of file Helix.h.

◆ GetStartY()

Double_t Hal::HelixY::GetStartY ( ) const

inline

Returns: start Y

Definition at line 386 of file Helix.h.

◆ GetStartZ()

Double_t Hal::HelixY::GetStartZ ( ) const

inline

Returns: start Z

Definition at line 391 of file Helix.h.

◆ GetXcenter()

Double_t Hal::HelixY::GetXcenter ( ) const

inline

Returns: x-center

Definition at line 366 of file Helix.h.

◆ GetYcenter()

Double_t Hal::HelixY::GetYcenter ( ) const

inline

Returns: 0

Definition at line 371 of file Helix.h.

◆ GetZcenter()

Double_t Hal::HelixY::GetZcenter ( ) const

inline

Returns: z-center

Definition at line 376 of file Helix.h.

◆ Intersection()

Int_t Hal::HelixY::Intersection	(	Double_t	R,
		TVector3 &	x1,
		TVector3 &	x2 ) const

inline

calculate two points where circle intersect with cilider at given R

Parameters

R
x1
x2

Returns: number of solutions

Definition at line 446 of file Helix.h.

◆ operator=()

HelixY & Hal::HelixY::operator= ( const HelixY & helix )

assignement operator

Parameters

helix

Returns

Definition at line 43 of file Helix.cxx.

◆ PathLength() [1/4]

Double_t Hal::HelixY::PathLength	(	const TVector3 &	point,
		Bool_t	scanPeriods = kTRUE ) const

inline

Parameters

point
scanPeriods	true if scan perdios

Returns: path at DCA between helix and point

Definition at line 398 of file Helix.h.

◆ PathLength() [2/4]

void Hal::HelixY::PathLength	(	Double_t	r,
		Double_t &	s1,
		Double_t &	s2 ) const

inline

Definition at line 328 of file Helix.h.

◆ PathLength() [3/4]

void Hal::HelixY::PathLength	(	Double_t	r,
		Double_t	z,
		Double_t	x,
		Double_t &	s1,
		Double_t &	s2 ) const

inline

calculate path lenghts for intersection of helix and circle with center x,y

Parameters

r	circle radii
z	z-circle center
x	x-circle center
s1	first path
s2	second path

Definition at line 337 of file Helix.h.

◆ PathLength() [4/4]

Double_t Hal::HelixY::PathLength	(	Double_t	z,
		Double_t	x ) const

inline

Parameters

z	point z-coordiante
x	point x-coordinate

Returns: path lenght at shortest distance between point and helix at xy plane

Definition at line 409 of file Helix.h.

◆ Print()

void Hal::HelixY::Print ( Option_t * = "" ) const

inline

Definition at line 458 of file Helix.h.

◆ SetParams()

void Hal::HelixY::SetParams	(	const TVector3 &	x,
		const TVector3 &	mom,
		Double_t	charge,
		Double_t	conversion = 0. )

inline

Parameters

x	start position
mom	momentum at X
charge	charge of particle
conversion	not used

Definition at line 347 of file Helix.h.

◆ Shift()

void Hal::HelixY::Shift	(	Double_t	x,
		Double_t	y,
		Double_t	z )

shift this helix by given values

Parameters

x
y
z

Definition at line 48 of file Helix.cxx.

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

features/phys/Helix.h
features/phys/Helix.cxx

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ HelixY() [1/2]

◆ HelixY() [2/2]

◆ ~HelixY()

Member Function Documentation

◆ EvalMom()

◆ EvalPos()

◆ EvaluateFull()

◆ GetStartPoint()

◆ GetStartX()

◆ GetStartY()

◆ GetStartZ()

◆ GetXcenter()

◆ GetYcenter()

◆ GetZcenter()

◆ Intersection()

◆ operator=()

◆ PathLength() [1/4]

◆ PathLength() [2/4]

◆ PathLength() [3/4]

◆ PathLength() [4/4]

◆ Print()

◆ SetParams()

◆ Shift()