Trk::DetElementSurface Class Reference

#include <DetElementSurface.h>

Inheritance diagram for Trk::DetElementSurface:

Collaboration diagram for Trk::DetElementSurface:

Public Types
using	ChargedTrackParametersUniquePtr = std::unique_ptr< ParametersBase< 5, Trk::Charged > >
	Unique ptr types. More...
using	NeutralTrackParametersUniquePtr = std::unique_ptr< ParametersBase< 5, Trk::Neutral > >

Public Member Functions
	DetElementSurface ()
	DetElementSurface (Identifier id)
	DetElementSurface (const Surface &rhs)
bool	operator== (const Trk::Surface &) const
	Equality operator. More...
Surface *	clone () const
	Implicit constructor - uses the copy constructor. More...
std::unique_ptr< Surface >	uniqueClone () const
bool	insideBounds (const Amg::Vector2D &, double, double) const
	virtual methods to be overwritten by the inherited surfaces More...
bool	insideBoundsCheck (const Amg::Vector2D &, const BoundaryCheck &) const
const Amg::Vector3D *	localToGlobal (const Amg::Vector2D &) const
const Amg::Vector3D *	localToGlobal (const LocalParameters &) const
const Amg::Vector2D *	globalToLocal (const Amg::Vector3D &, const double) const
virtual DistanceSolution	straightLineDistanceEstimate (const Amg::Vector3D &, const Amg::Vector3D &) const
	fast straight line distance evaluation to Surface More...
const SurfaceBounds &	bounds () const
	Surface Bounds method. More...
MsgStream &	dump (MsgStream &sl) const
	Output Method for MsgStream, to be overloaded by child classes. More...
std::ostream &	dump (std::ostream &sl) const
	Output Method for std::ostream, to be overloaded by child classes. More...
const Identifier	associatedDetectorElementIdentifier () const
bool	isFree ()
SurfaceType	type () const
	Returns the Surface type to avoid dynamic casts. More...
void	localToGlobal (const Amg::Vector2D &, const Amg::Vector3D &, Amg::Vector3D &) const
	Specified by each surface type: LocalToGlobal method without dynamic memory allocation. More...
bool	globalToLocal (const Amg::Vector3D &, const Amg::Vector3D &, Amg::Vector2D &) const
	Specified by each surface type: GlobalToLocal method without dynamic memory allocation - boolean checks if on surface. More...
std::string	name () const
	Return properly formatted class name. More...
virtual std::unique_ptr< ParametersBase< 5, Trk::Charged > >	createUniqueTrackParameters (double, double, double, double, double, std::optional< AmgSymMatrix(5)>=std::nullopt) const
	Use the Surface as a ParametersBase constructor, from local parameters - charged. More...
virtual std::unique_ptr< ParametersBase< 5, Trk::Charged > >	createUniqueTrackParameters (const Amg::Vector3D &, const Amg::Vector3D &, double, std::optional< AmgSymMatrix(5)>=std::nullopt) const
	Use the Surface as a ParametersBase constructor, from global parameters - charged. More...
virtual std::unique_ptr< ParametersBase< 5, Trk::Neutral > >	createUniqueNeutralParameters (double, double, double, double, double, std::optional< AmgSymMatrix(5)>=std::nullopt) const
	Use the Surface as a ParametersBase constructor, from local parameters - neutral. More...
virtual std::unique_ptr< ParametersBase< 5, Trk::Neutral > >	createUniqueNeutralParameters (const Amg::Vector3D &, const Amg::Vector3D &, double, std::optional< AmgSymMatrix(5)>=std::nullopt) const
	Use the Surface as a ParametersBase constructor, from global parameters - neutral. More...
virtual Intersection	straightLineIntersection (const Amg::Vector3D &, const Amg::Vector3D &, bool, Trk::BoundaryCheck) const
	fast straight line intersection schema - standard: provides closest intersection and (signed) path length forceFwd is to provide the closest forward solution More...
virtual Trk::DistanceSolution	straightLineDistanceEstimate (const Amg::Vector3D &, const Amg::Vector3D &, bool) const
	fast straight line distance evaluation to Surface - with bound option More...
virtual bool	isOnSurface (const Amg::Vector3D &, const Trk::BoundaryCheck &, double, double) const
	This method returns true if the GlobalPosition is on the Surface for both, within or without check of whether the local position is inside boundaries or not. More...
bool	operator!= (const Surface &sf) const
	Non-equality operator. More...
const Amg::Transform3D *	cachedTransform () const
	Return the cached transformation directly. More...
const Amg::Transform3D &	transform () const
	Returns HepGeom::Transform3D by reference. More...
const Amg::Vector3D &	center () const
	Returns the center position of the Surface. More...
virtual const Amg::Vector3D &	normal () const
	Returns the normal vector of the Surface (i.e. More...
virtual Amg::Vector3D	normal (const Amg::Vector2D &lp) const
	Returns a normal vector at a specific local position. More...
virtual const Amg::Vector3D &	globalReferencePoint () const
	Returns a global reference point on the surface, for PlaneSurface, StraightLineSurface, PerigeeSurface this is equal to center(), for CylinderSurface and DiscSurface this is a new member. More...
const TrkDetElementBase *	associatedDetectorElement () const
	return associated Detector Element More...
const Trk::Layer *	associatedLayer () const
	return the associated Layer More...
const Trk::Layer *	materialLayer () const
	return the material Layer More...
Trk::Layer *	materialLayer ()
virtual const Trk::Surface *	baseSurface () const
	return the base surface (simplified for persistification) More...
std::optional< Amg::Vector2D >	positionOnSurface (const Amg::Vector3D &glopo, const BoundaryCheck &bchk=true, double tol1=0., double tol2=0.) const
	positionOnSurface() returns the LocalPosition on the Surface, If BoundaryCheck==false it just returns the value of globalToLocal (including nullptr possibility), if BoundaryCheck==true it checks whether the point is inside bounds or not (returns std::nullopt in this case). More...
template<class T >
bool	onSurface (const T &parameters, const BoundaryCheck &bchk=BoundaryCheck(true)) const
	The templated Parameters OnSurface method - checks on surface pointer first. More...
Amg::Vector3D	localToGlobal (const Amg::Vector2D &locpos, const Amg::Vector3D &glomom) const
	This method returns the GlobalPosition from a LocalPosition The LocalPosition can be outside Surface bounds - for generality with momentum. More...
Amg::Vector3D	localToGlobal (const LocalParameters &locpars, const Amg::Vector3D &glomom) const
	This method returns the GlobalPosition from LocalParameters The LocalParameters can be outside Surface bounds - for generality with momentum. More...
std::optional< Amg::Vector2D >	globalToLocal (const Amg::Vector3D &glopos, const Amg::Vector3D &glomom) const
	This method returns the LocalPosition from a provided GlobalPosition. More...
virtual Amg::Vector2D	localParametersToPosition (const LocalParameters &locpars) const
	Optionally specified by each surface type : LocalParameters to Vector2D. More...
virtual double	pathCorrection (const Amg::Vector3D &pos, const Amg::Vector3D &mom) const
	the pathCorrection for derived classes with thickness - it reflects if the direction projection is positive or negative More...
virtual Amg::RotationMatrix3D	measurementFrame (const Amg::Vector3D &glopos, const Amg::Vector3D &glomom) const
	Return the measurement frame - this is needed for alignment, in particular for StraightLine and Perigee Surface. More...
template<class T >
Intersection	straightLineIntersection (const T &pars, bool forceDir=false, const Trk::BoundaryCheck &bchk=false) const
	fst straight line intersection schema - templated for charged and neutral parameters More...
bool	isFree () const
	Returns 'true' if this surface is 'free', i.e. More...
bool	isActive () const
	Return 'true' if this surface is owned by the detector element. More...
void	setTransform (const Amg::Transform3D &trans)
	Set the transform updates center and normal. More...
void	setOwner (SurfaceOwner x)
	set Ownership More...
SurfaceOwner	owner () const
	return ownership More...
void	setMaterialLayer (const std::shared_ptr< Layer > &mlay)
	set material layer More...
void	associateLayer (const Layer &lay)
	method to associate the associated Trk::Layer which is alreay owned More...

Static Public Member Functions
static std::size_t	numberOfInstantiations ()

Static Public Attributes
static std::atomic_size_t	s_numberOfInstantiations

Protected Member Functions
Amg::Transform3D	inverseTransformHelper () const
	Helper method to factorize in one place common operations calculate inverse transofrm and multiply with position. More...
Amg::Vector3D	inverseTransformMultHelper (const Amg::Vector3D &glopos) const

Protected Attributes
std::unique_ptr< Transforms >	m_transforms {}
const TrkDetElementBase *	m_associatedDetElement {}
	Not owning Pointer to the TrkDetElementBase. More...
Identifier	m_associatedDetElementId {}
	Identifier for the TrkDetElementBase. More...
const Layer *	m_associatedLayer {}
	The associated layer Trk::Layer. More...
std::shared_ptr< Layer >	m_materialLayer {}
	Possibility to attach a material descrption. More...
SurfaceOwner	m_owner {SurfaceOwner::noOwn}
	enum for surface owner : 0 free surface More...

Static Protected Attributes
static constexpr double	s_onSurfaceTolerance = 10e-5
	Tolerance for being on Surface. More...

Private Attributes
Identifier	m_id

Detailed Description

Definition at line 31 of file DetElementSurface.h.

Member Typedef Documentation

ChargedTrackParametersUniquePtr

using Trk::Surface::ChargedTrackParametersUniquePtr = std::unique_ptr<ParametersBase<5, Trk::Charged> >

inherited

Unique ptr types.

Definition at line 124 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

NeutralTrackParametersUniquePtr

using Trk::Surface::NeutralTrackParametersUniquePtr = std::unique_ptr<ParametersBase<5, Trk::Neutral> >

inherited

Definition at line 126 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

Constructor & Destructor Documentation

DetElementSurface() [1/3]

Trk::DetElementSurface::DetElementSurface ( )

inline

Definition at line 34 of file DetElementSurface.h.

: Surface() {}

DetElementSurface() [2/3]

Trk::DetElementSurface::DetElementSurface ( Identifier  id )

inline

Definition at line 35 of file DetElementSurface.h.

: Surface(), m_id(id) {}

DetElementSurface() [3/3]

Trk::DetElementSurface::DetElementSurface ( const Surface &  rhs )

inline

Definition at line 36 of file DetElementSurface.h.

: Surface(rhs), m_id(rhs.associatedDetectorElementIdentifier()) {}

Member Function Documentation

associatedDetectorElement()

const TrkDetElementBase* Trk::Surface::associatedDetectorElement ( ) const

inherited

return associated Detector Element

associatedDetectorElementIdentifier()

const Identifier Trk::DetElementSurface::associatedDetectorElementIdentifier ( ) const

inline

Definition at line 50 of file DetElementSurface.h.

{return m_id;}

associatedLayer()

const Trk::Layer* Trk::Surface::associatedLayer ( ) const

inherited

return the associated Layer

associateLayer()

void Trk::Surface::associateLayer ( const Layer &  lay )

inherited

method to associate the associated Trk::Layer which is alreay owned

• only allowed by LayerBuilder
• only done if no Layer is set already
  

baseSurface()

virtual const Trk::Surface* Trk::Surface::baseSurface ( ) const

virtualinherited

return the base surface (simplified for persistification)

bounds()

const SurfaceBounds& Trk::DetElementSurface::bounds ( ) const

inlinevirtual

Surface Bounds method.

Implements Trk::Surface.

Definition at line 47 of file DetElementSurface.h.

{ std::abort();/*should never be called*/ }

cachedTransform()

const Amg::Transform3D* Trk::Surface::cachedTransform ( ) const

inherited

Return the cached transformation directly.

Don't try to make a new transform if it's not here.

center()

const Amg::Vector3D& Trk::Surface::center ( ) const

inherited

Returns the center position of the Surface.

clone()

Surface* Trk::DetElementSurface::clone ( ) const

inlinevirtual

Implicit constructor - uses the copy constructor.

Implements Trk::Surface.

Definition at line 39 of file DetElementSurface.h.

{ return nullptr; }

createUniqueNeutralParameters() [1/2]

virtual std::unique_ptr<ParametersBase<5, Trk::Neutral> > Trk::DetElementSurface::createUniqueNeutralParameters ( const Amg::Vector3D &  , const Amg::Vector3D &  , double  charge, std::optional< AmgSymMatrix(5)>  cov = std::nullopt  ) const

inlinevirtual

Use the Surface as a ParametersBase constructor, from global parameters - neutral.

Implements Trk::Surface.

Definition at line 87 of file DetElementSurface.h.

    {
      return nullptr;
    }

createUniqueNeutralParameters() [2/2]

virtual std::unique_ptr<ParametersBase<5, Trk::Neutral> > Trk::DetElementSurface::createUniqueNeutralParameters ( double  l1, double  l2, double  phi, double  theat, double  qop, std::optional< AmgSymMatrix(5)>  cov = std::nullopt  ) const

inlinevirtual

Use the Surface as a ParametersBase constructor, from local parameters - neutral.

Implements Trk::Surface.

Definition at line 77 of file DetElementSurface.h.

    {
      return nullptr;
    }

createUniqueTrackParameters() [1/2]

virtual std::unique_ptr<ParametersBase<5, Trk::Charged> > Trk::DetElementSurface::createUniqueTrackParameters ( const Amg::Vector3D &  , const Amg::Vector3D &  , double  , std::optional< AmgSymMatrix(5)>  cov = std::nullopt  ) const

inlinevirtual

Use the Surface as a ParametersBase constructor, from global parameters - charged.

Implements Trk::Surface.

Definition at line 68 of file DetElementSurface.h.

    {
      return nullptr;
    }

createUniqueTrackParameters() [2/2]

virtual std::unique_ptr<ParametersBase<5, Trk::Charged> > Trk::DetElementSurface::createUniqueTrackParameters ( double  l1, double  l2, double  phi, double  theat, double  qop, std::optional< AmgSymMatrix(5)>  cov = std::nullopt  ) const

inlinevirtual

Use the Surface as a ParametersBase constructor, from local parameters - charged.

Implements Trk::Surface.

Definition at line 58 of file DetElementSurface.h.

    {
      return nullptr;
    }

dump() [1/2]

MsgStream& Trk::DetElementSurface::dump ( MsgStream &  sl ) const

inlinevirtual

Output Method for MsgStream, to be overloaded by child classes.

Reimplemented from Trk::Surface.

Definition at line 48 of file DetElementSurface.h.

{ return sl;}

dump() [2/2]

std::ostream& Trk::DetElementSurface::dump ( std::ostream &  sl ) const

inlinevirtual

Output Method for std::ostream, to be overloaded by child classes.

Reimplemented from Trk::Surface.

Definition at line 49 of file DetElementSurface.h.

{ return sl;};

globalReferencePoint()

virtual const Amg::Vector3D& Trk::Surface::globalReferencePoint ( ) const

virtualinherited

Returns a global reference point on the surface, for PlaneSurface, StraightLineSurface, PerigeeSurface this is equal to center(), for CylinderSurface and DiscSurface this is a new member.

Reimplemented in Trk::DiscSurface, Trk::CylinderSurface, and Trk::ConeSurface.

globalToLocal() [1/3]

bool Trk::DetElementSurface::globalToLocal ( const Amg::Vector3D &  glob, const Amg::Vector3D &  mom, Amg::Vector2D &  loc  ) const

inlinevirtual

Specified by each surface type: GlobalToLocal method without dynamic memory allocation - boolean checks if on surface.

Implements Trk::Surface.

Definition at line 54 of file DetElementSurface.h.

{return false;}

globalToLocal() [2/3]

const Amg::Vector2D* Trk::DetElementSurface::globalToLocal ( const Amg::Vector3D &  , const double    ) const

inline

Definition at line 45 of file DetElementSurface.h.

{ return nullptr; }

globalToLocal() [3/3]

std::optional<Amg::Vector2D> Trk::Surface::globalToLocal ( const Amg::Vector3D &  glopos, const Amg::Vector3D &  glomom  ) const

inherited

This method returns the LocalPosition from a provided GlobalPosition.

If the GlobalPosition is not on the Surface, it returns a nullopt This method does not check if the calculated LocalPosition is inside surface bounds. If this check is needed, use positionOnSurface - for generality with momentum

insideBounds()

bool Trk::DetElementSurface::insideBounds ( const Amg::Vector2D &  locpos, double  tol1, double  tol2  ) const

inlinevirtual

virtual methods to be overwritten by the inherited surfaces

Implements Trk::Surface.

Definition at line 41 of file DetElementSurface.h.

{return false;}

insideBoundsCheck()

bool Trk::DetElementSurface::insideBoundsCheck ( const Amg::Vector2D &  , const BoundaryCheck &    ) const

inlinevirtual

Implements Trk::Surface.

Definition at line 42 of file DetElementSurface.h.

{ return false;}

inverseTransformHelper()

Amg::Transform3D Trk::Surface::inverseTransformHelper ( ) const

protectedinherited

Helper method to factorize in one place common operations calculate inverse transofrm and multiply with position.

inverseTransformMultHelper()

Amg::Vector3D Trk::Surface::inverseTransformMultHelper ( const Amg::Vector3D &  glopos ) const

protectedinherited

isActive()

bool Trk::Surface::isActive ( ) const

inherited

Return 'true' if this surface is owned by the detector element.

isFree() [1/2]

bool Trk::DetElementSurface::isFree ( )

inline

Definition at line 51 of file DetElementSurface.h.

{return true;}// To avoid memory leaks

isFree() [2/2]

bool Trk::Surface::isFree ( ) const

inherited

Returns 'true' if this surface is 'free', i.e.

it does not belong to a detector element (and returns false otherwise

isOnSurface()

virtual bool Trk::DetElementSurface::isOnSurface ( const Amg::Vector3D &  glopo, const Trk::BoundaryCheck &  bchk, double  tol1, double  tol2  ) const

inlinevirtual

This method returns true if the GlobalPosition is on the Surface for both, within or without check of whether the local position is inside boundaries or not.

Reimplemented from Trk::Surface.

Definition at line 104 of file DetElementSurface.h.

{return false;}

localParametersToPosition()

virtual Amg::Vector2D Trk::Surface::localParametersToPosition ( const LocalParameters &  locpars ) const

virtualinherited

Optionally specified by each surface type : LocalParameters to Vector2D.

Reimplemented in Trk::DiscSurface, Trk::CylinderSurface, and Trk::ConeSurface.

localToGlobal() [1/5]

const Amg::Vector3D* Trk::DetElementSurface::localToGlobal ( const Amg::Vector2D &  ) const

inline

Definition at line 43 of file DetElementSurface.h.

{ return nullptr; }

localToGlobal() [2/5]

void Trk::DetElementSurface::localToGlobal ( const Amg::Vector2D &  locp, const Amg::Vector3D &  mom, Amg::Vector3D &  glob  ) const

inlinevirtual

Specified by each surface type: LocalToGlobal method without dynamic memory allocation.

Implements Trk::Surface.

Definition at line 53 of file DetElementSurface.h.

{}

localToGlobal() [3/5]

Amg::Vector3D Trk::Surface::localToGlobal ( const Amg::Vector2D &  locpos, const Amg::Vector3D &  glomom  ) const

inherited

This method returns the GlobalPosition from a LocalPosition The LocalPosition can be outside Surface bounds - for generality with momentum.

localToGlobal() [4/5]

const Amg::Vector3D* Trk::DetElementSurface::localToGlobal ( const LocalParameters &  ) const

inline

Definition at line 44 of file DetElementSurface.h.

{ return nullptr; }

localToGlobal() [5/5]

Amg::Vector3D Trk::Surface::localToGlobal ( const LocalParameters &  locpars, const Amg::Vector3D &  glomom  ) const

inherited

This method returns the GlobalPosition from LocalParameters The LocalParameters can be outside Surface bounds - for generality with momentum.

materialLayer() [1/2]

Trk::Layer* Trk::Surface::materialLayer ( )

inherited

materialLayer() [2/2]

const Trk::Layer* Trk::Surface::materialLayer ( ) const

inherited

return the material Layer

measurementFrame()

Amg::RotationMatrix3D Surface::measurementFrame ( const Amg::Vector3D &  glopos, const Amg::Vector3D &  glomom  ) const

virtualinherited

Return the measurement frame - this is needed for alignment, in particular for StraightLine and Perigee Surface.

• the default implementation is the the RotationMatrix3D of the transform

Reimplemented in Trk::CylinderSurface, Trk::ConeSurface, Trk::StraightLineSurface, and Trk::PerigeeSurface.

Definition at line 135 of file Surface.cxx.

{
  return transform().linear();
}

name()

std::string Trk::DetElementSurface::name ( ) const

inlinevirtual

Return properly formatted class name.

Implements Trk::Surface.

Definition at line 55 of file DetElementSurface.h.

{ return "Trk::DetElementSurface";}

normal() [1/2]

virtual const Amg::Vector3D& Trk::Surface::normal ( ) const

virtualinherited

Returns the normal vector of the Surface (i.e.

in generall z-axis of rotation)

Reimplemented in Trk::PerigeeSurface.

normal() [2/2]

virtual Amg::Vector3D Trk::Surface::normal ( const Amg::Vector2D &  lp ) const

virtualinherited

Returns a normal vector at a specific local position.

Reimplemented in Trk::PerigeeSurface, Trk::CylinderSurface, and Trk::ConeSurface.

numberOfInstantiations()

static std::size_t Trk::ObjectCounter< Trk::Surface >::numberOfInstantiations ( )

inlinestaticinherited

Definition at line 25 of file TrkObjectCounter.h.

  {
#ifndef NDEBUG
    return s_numberOfInstantiations.load();
#endif
    return 0;
  }

onSurface()

template<class T >

bool Trk::Surface::onSurface ( const T &  parameters, const BoundaryCheck &  bchk = BoundaryCheck(true)  ) const

inherited

The templated Parameters OnSurface method - checks on surface pointer first.

operator!=()

bool Trk::Surface::operator!= ( const Surface &  sf ) const

inherited

Non-equality operator.

operator==()

bool Trk::DetElementSurface::operator== ( const Trk::Surface &  sf ) const

inlinevirtual

Equality operator.

Implements Trk::Surface.

Definition at line 38 of file DetElementSurface.h.

{ return false;}

owner()

SurfaceOwner Trk::Surface::owner ( ) const

inherited

return ownership

pathCorrection()

virtual double Trk::Surface::pathCorrection ( const Amg::Vector3D &  pos, const Amg::Vector3D &  mom  ) const

virtualinherited

the pathCorrection for derived classes with thickness - it reflects if the direction projection is positive or negative

Reimplemented in Trk::CylinderSurface, Trk::StraightLineSurface, Trk::PerigeeSurface, and Trk::ConeSurface.

positionOnSurface()

std::optional< Amg::Vector2D > Surface::positionOnSurface ( const Amg::Vector3D &  glopo, const BoundaryCheck &  bchk = true, double  tol1 = 0., double  tol2 = 0.  ) const

inherited

positionOnSurface() returns the LocalPosition on the Surface,
If BoundaryCheck==false it just returns the value of globalToLocal (including nullptr possibility), if BoundaryCheck==true it checks whether the point is inside bounds or not (returns std::nullopt in this case).

Definition at line 106 of file Surface.cxx.

{
  std::optional<Amg::Vector2D> posOnSurface = globalToLocal(glopo, tol1);
  if (!bchk){
    return posOnSurface;
  }
  if (posOnSurface && insideBounds(*posOnSurface, tol1, tol2)){
    return posOnSurface;
  }
  return std::nullopt;
}

setMaterialLayer()

void Trk::Surface::setMaterialLayer ( const std::shared_ptr< Layer > &  mlay )

inherited

set material layer

setOwner()

void Trk::Surface::setOwner ( SurfaceOwner  x )

inherited

set Ownership

setTransform()

void Trk::Surface::setTransform ( const Amg::Transform3D &  trans )

inherited

Set the transform updates center and normal.

straightLineDistanceEstimate() [1/2]

virtual DistanceSolution Trk::DetElementSurface::straightLineDistanceEstimate ( const Amg::Vector3D &  pos, const Amg::Vector3D &  dir  ) const

inlinevirtual

fast straight line distance evaluation to Surface

Implements Trk::Surface.

Definition at line 46 of file DetElementSurface.h.

{ return DistanceSolution(); }

straightLineDistanceEstimate() [2/2]

virtual Trk::DistanceSolution Trk::DetElementSurface::straightLineDistanceEstimate ( const Amg::Vector3D &  pos, const Amg::Vector3D &  dir, bool  Bound  ) const

inlinevirtual

fast straight line distance evaluation to Surface - with bound option

Implements Trk::Surface.

Definition at line 101 of file DetElementSurface.h.

                                                                           {return 0;}

straightLineIntersection() [1/2]

virtual Intersection Trk::DetElementSurface::straightLineIntersection ( const Amg::Vector3D &  pos, const Amg::Vector3D &  dir, bool  forceDir, Trk::BoundaryCheck  bchk  ) const

inlinevirtual

fast straight line intersection schema - standard: provides closest intersection and (signed) path length forceFwd is to provide the closest forward solution

Implements Trk::Surface.

Definition at line 95 of file DetElementSurface.h.

                                                                                { return Trk::Intersection(Amg::Vector3D(0.,0.,0.),0.,false); }

straightLineIntersection() [2/2]

template<class T >

Intersection Trk::Surface::straightLineIntersection ( const T &  pars, bool  forceDir = false, const Trk::BoundaryCheck &  bchk = false  ) const

inlineinherited

fst straight line intersection schema - templated for charged and neutral parameters

Definition at line 351 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

  {
    return straightLineIntersection(
      pars.position(), pars.momentum().unit(), forceDir, bchk);
  }

transform()

const Amg::Transform3D& Trk::Surface::transform ( ) const

inherited

Returns HepGeom::Transform3D by reference.

type()

SurfaceType Trk::DetElementSurface::type ( ) const

inlinevirtual

Returns the Surface type to avoid dynamic casts.

Implements Trk::Surface.

Definition at line 52 of file DetElementSurface.h.

{return SurfaceType::Other;}

uniqueClone()

std::unique_ptr<Surface> Trk::DetElementSurface::uniqueClone ( ) const

inline

Definition at line 40 of file DetElementSurface.h.

{return nullptr; }

Member Data Documentation

m_associatedDetElement

const TrkDetElementBase* Trk::Surface::m_associatedDetElement {}

protectedinherited

Not owning Pointer to the TrkDetElementBase.

Definition at line 439 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

m_associatedDetElementId

Identifier Trk::Surface::m_associatedDetElementId {}

protectedinherited

Identifier for the TrkDetElementBase.

Definition at line 442 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

m_associatedLayer

const Layer* Trk::Surface::m_associatedLayer {}

protectedinherited

The associated layer Trk::Layer.

• layer in which the Surface is embedded (not owning pointed)

Definition at line 448 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

m_id

Identifier Trk::DetElementSurface::m_id

private

Definition at line 107 of file DetElementSurface.h.

m_materialLayer

std::shared_ptr<Layer> Trk::Surface::m_materialLayer {}

protectedinherited

Possibility to attach a material descrption.

• potentially given as the associated material layer (not owning pointer)

Definition at line 453 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

m_owner

SurfaceOwner Trk::Surface::m_owner {SurfaceOwner::noOwn}

protectedinherited

enum for surface owner : 0 free surface

Definition at line 455 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

m_transforms

std::unique_ptr<Transforms> Trk::Surface::m_transforms {}

protectedinherited

Definition at line 436 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

s_numberOfInstantiations

std::atomic_size_t Trk::ObjectCounter< Trk::Surface >::s_numberOfInstantiations

inlinestaticinherited

Definition at line 22 of file TrkObjectCounter.h.

s_onSurfaceTolerance

constexpr double Trk::Surface::s_onSurfaceTolerance = 10e-5

staticconstexprprotectedinherited

Tolerance for being on Surface.

Definition at line 458 of file Tracking/TrkDetDescr/TrkSurfaces/TrkSurfaces/Surface.h.

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

• DetElementSurface.h