Representation of a segment seed (a fully processed hough maximum) produced by the hough transform. More...

#include <SegmentSeed.h>

Collaboration diagram for MuonR4::SegmentSeed:

Public Types
using	HitType = HoughHitType

using	Parameters = SegmentFit::Parameters

Public Member Functions
	SegmentSeed (double tanBeta, double interceptY, double tanAlpha, double interceptX, double counts, std::vector< HitType > &&hits, const SpacePointBucket *bucket)
	Constructor to write a segment seed from an eta maximum and a valid phi extension. More...

	SegmentSeed (const HoughMaximum &toCopy)
	Constructor to write a segment seed from an eta maximum without a valid phi extension. More...

double	tanAlpha () const
	Returns the angle from the phi extension. More...

double	interceptX () const
	Returns the intercept from the phi extension. More...

double	tanBeta () const
	Returns the angular coordinate of the eta transform. More...

double	interceptY () const
	Returns the intercept coordinate of the eta transform. More...

const Parameters &	parameters () const
	Returns the parameter array. More...

double	getCounts () const

const std::vector< HitType > &	getHitsInMax () const
	Returns the list of assigned hits. More...

const SpacePointBucket *	parentBucket () const
	Returns the bucket out of which the seed was formed. More...

const MuonGMR4::SpectrometerSector *	msSector () const
	Returns the associated chamber. More...

bool	hasPhiExtension () const
	check whether the segment seed includes a valid phi extension More...

Amg::Vector3D	localPosition () const
	Returns the position of the seed in the sector frame. More...

Amg::Vector3D	localDirection () const
	Returns the direction of the seed in the sector frame. More...

Private Attributes
Parameters	m_pars {}
	Set of defining parameters. More...

const SpacePointBucket *	m_parent {nullptr}
	Pointer to the parent. More...

std::vector< HitType >	m_hits {}
	List of associated hits. More...

bool	m_hasPhiExt {false}
	Does the sed have a phi extension. More...

double	m_counts {0.}
	Effective countsfrom the hough seed. More...

Detailed Description

Representation of a segment seed (a fully processed hough maximum) produced by the hough transform.

Definition at line 14 of file SegmentSeed.h.

Member Typedef Documentation

◆ HitType

using MuonR4::SegmentSeed::HitType = HoughHitType

Definition at line 16 of file SegmentSeed.h.

◆ Parameters

using MuonR4::SegmentSeed::Parameters = SegmentFit::Parameters

Definition at line 17 of file SegmentSeed.h.

Constructor & Destructor Documentation

◆ SegmentSeed() [1/2]

MuonR4::SegmentSeed::SegmentSeed	(	double	tanBeta,
		double	interceptY,
		double	tanAlpha,
		double	interceptX,
		double	counts,
		std::vector< HitType > &&	hits,
		const SpacePointBucket *	bucket
	)

Constructor to write a segment seed from an eta maximum and a valid phi extension.

Parameters

tanBeta	tan(theta) from the eta-transform
interceptY	y axis intercept from the eta-transform
tanAlpha	tan(phi) from the phi-extension
interceptX	x axis intercept from the phi-extension
counts	(weighted) counts for the given hough maximum
hits	Measurements on this maximum
bucket	Space point bucket out of which the seed is built

Definition at line 11 of file SegmentSeed.cxx.

                                                              :
         m_parent{bucket},
         m_hits{std::move(hits)},
         m_hasPhiExt{true},
         m_counts{counts}{
             const Amg::Vector3D dir = makeDirectionFromAxisTangents(tanAlpha, tanBeta);
             using enum SegmentFit::ParamDefs;
             m_pars[toUnderlying(x0)] = interceptX;
             m_pars[toUnderlying(y0)] = interceptY;
             m_pars[toUnderlying(theta)] = dir.theta();
             m_pars[toUnderlying(phi)] = dir.phi();
     }

◆ SegmentSeed() [2/2]

MuonR4::SegmentSeed::SegmentSeed ( const HoughMaximum & toCopy )

Constructor to write a segment seed from an eta maximum without a valid phi extension.

Parameters

toCopy Eta maximum

Definition at line 26 of file SegmentSeed.cxx.

                                                       :
         m_parent{toCopy.parentBucket()},
         m_hits{toCopy.getHitsInMax()},
         m_counts{toCopy.getCounts()}{
             const Amg::Vector3D dir = makeDirectionFromAxisTangents(0., toCopy.tanBeta());
             using enum SegmentFit::ParamDefs;
             m_pars[toUnderlying(y0)]    = toCopy.interceptY();
             m_pars[toUnderlying(theta)] = dir.theta();
             m_pars[toUnderlying(phi)] = dir.phi();
     }

Member Function Documentation

◆ getCounts()

double MuonR4::SegmentSeed::getCounts ( ) const

Returns: Returns the number of counts

Definition at line 47 of file SegmentSeed.cxx.

47 { return m_counts;}

◆ getHitsInMax()

const std::vector< SegmentSeed::HitType > & MuonR4::SegmentSeed::getHitsInMax ( ) const

Returns the list of assigned hits.

Definition at line 48 of file SegmentSeed.cxx.

48 { return m_hits; }

◆ hasPhiExtension()

bool MuonR4::SegmentSeed::hasPhiExtension ( ) const

check whether the segment seed includes a valid phi extension

Returns: true if an extension exists, false if we are dealing with a pure eta maximum

Definition at line 51 of file SegmentSeed.cxx.

51 { return m_hasPhiExt; }

◆ interceptX()

double MuonR4::SegmentSeed::interceptX ( ) const

Returns the intercept from the phi extension.

Definition at line 38 of file SegmentSeed.cxx.

                                          { 
         using enum SegmentFit::ParamDefs;
         return m_pars[toUnderlying(x0)]; 
     }

◆ interceptY()

double MuonR4::SegmentSeed::interceptY ( ) const

Returns the intercept coordinate of the eta transform.

Definition at line 42 of file SegmentSeed.cxx.

                                          {
         using enum SegmentFit::ParamDefs;
         return m_pars[toUnderlying(y0)]; 
     }

◆ localDirection()

Amg::Vector3D MuonR4::SegmentSeed::localDirection ( ) const

Returns the direction of the seed in the sector frame.

Definition at line 53 of file SegmentSeed.cxx.

                                                   { 
         using enum SegmentFit::ParamDefs;;
         return  makeDirectionFromPhiTheta(m_pars[toUnderlying(phi)], m_pars[toUnderlying(theta)]);
     }

◆ localPosition()

Amg::Vector3D MuonR4::SegmentSeed::localPosition ( ) const

Returns the position of the seed in the sector frame.

Definition at line 52 of file SegmentSeed.cxx.

52 { return Amg::Vector3D{interceptX(), interceptY(),0.}; }

◆ msSector()

const MuonGMR4::SpectrometerSector * MuonR4::SegmentSeed::msSector ( ) const

Returns the associated chamber.

Definition at line 50 of file SegmentSeed.cxx.

50 { return m_parent->msSector(); }

◆ parameters()

const SegmentFit::Parameters & MuonR4::SegmentSeed::parameters ( ) const

Returns the parameter array.

Definition at line 46 of file SegmentSeed.cxx.

46 { return m_pars; }

◆ parentBucket()

const SpacePointBucket * MuonR4::SegmentSeed::parentBucket ( ) const

Returns the bucket out of which the seed was formed.

Definition at line 49 of file SegmentSeed.cxx.

49 { return m_parent; }

◆ tanAlpha()

double MuonR4::SegmentSeed::tanAlpha ( ) const

Returns the angle from the phi extension.

Definition at line 36 of file SegmentSeed.cxx.

36 { return houghTanAlpha(localDirection()); }

◆ tanBeta()

double MuonR4::SegmentSeed::tanBeta ( ) const

Returns the angular coordinate of the eta transform.

Definition at line 37 of file SegmentSeed.cxx.

37 { return houghTanBeta(localDirection()); }

Member Data Documentation

◆ m_counts

double MuonR4::SegmentSeed::m_counts {0.}

private

Effective countsfrom the hough seed.

Definition at line 80 of file SegmentSeed.h.

◆ m_hasPhiExt

bool MuonR4::SegmentSeed::m_hasPhiExt {false}

private

Does the sed have a phi extension.

Definition at line 78 of file SegmentSeed.h.

◆ m_hits

std::vector<HitType> MuonR4::SegmentSeed::m_hits {}

private

List of associated hits.

Definition at line 76 of file SegmentSeed.h.

◆ m_parent

const SpacePointBucket* MuonR4::SegmentSeed::m_parent {nullptr}

private

Pointer to the parent.

Definition at line 74 of file SegmentSeed.h.

◆ m_pars

Parameters MuonR4::SegmentSeed::m_pars {}

private

Set of defining parameters.

Definition at line 72 of file SegmentSeed.h.

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

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ HitType

◆ Parameters

Constructor & Destructor Documentation

◆ SegmentSeed() [1/2]

◆ SegmentSeed() [2/2]

Member Function Documentation

◆ getCounts()

◆ getHitsInMax()

◆ hasPhiExtension()

◆ interceptX()

◆ interceptY()

◆ localDirection()

◆ localPosition()

◆ msSector()

◆ parameters()

◆ parentBucket()

◆ tanAlpha()

◆ tanBeta()

Member Data Documentation

◆ m_counts

◆ m_hasPhiExt

◆ m_hits

◆ m_parent

◆ m_pars