#include <acts/blob/sPHENIX/Core/include/Acts/Surfaces/detail/IntersectionHelper2D.hpp>

Static Public Member Functions
static Intersection2D	intersectSegment (const Vector2 &s0, const Vector2 &s1, const Vector2 &origin, const Vector2 &dir, bool boundCheck=false)

static std::array < Intersection2D, 2 >	intersectEllipse (ActsScalar Rx, ActsScalar Ry, const Vector2 &origin, const Vector2 &dir)

static std::array < Intersection2D, 2 >	intersectCircle (ActsScalar R, const Vector2 &origin, const Vector2 &dir)

static Intersection2D	intersectCircleSegment (ActsScalar R, ActsScalar phiMin, ActsScalar phiMax, const Vector2 &origin, const Vector2 &dir)

Detailed Description

Definition at line 19 of file IntersectionHelper2D.hpp.

View newest version in sPHENIX GitHub at line 19 of file IntersectionHelper2D.hpp

Member Function Documentation

static std::array<Intersection2D, 2> Acts::detail::IntersectionHelper2D::intersectCircle	(	ActsScalar	R,
		const Vector2 &	origin,
		const Vector2 &	dir
	)

inlinestatic

Intersect the circle

Parameters

R	The radius
origin	The Start of intersection line
dir	The Direction of intersection line

Returns: the intersection points

Definition at line 53 of file IntersectionHelper2D.hpp.

View newest version in sPHENIX GitHub at line 53 of file IntersectionHelper2D.hpp

References intersectEllipse().

Referenced by Acts::Test::basicChecks(), and Acts::Test::BOOST_AUTO_TEST_CASE().

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Acts::Intersection2D Acts::detail::IntersectionHelper2D::intersectCircleSegment	(	ActsScalar	R,
		ActsScalar	phiMin,
		ActsScalar	phiMax,
		const Vector2 &	origin,
		const Vector2 &	dir
	)

static

Intersect a circle segment

Note: only forward solution is taken

Parameters

R	The radius
phiMin	The minimum phi value
phiMax	The maximum phi value
origin	The Start of intersection line
dir	The Direction of intersection line

Returns: the intersection points

Definition at line 120 of file IntersectionHelper2D.cpp.

View newest version in sPHENIX GitHub at line 120 of file IntersectionHelper2D.cpp

References Acts::Intersection< DIM >::invalid(), ActsTests::PropagationDatasets::phi, and Acts::VectorHelpers::phi().

Referenced by ActsFatras::Channelizer::segments().

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std::array< Acts::Intersection2D, 2 > Acts::detail::IntersectionHelper2D::intersectEllipse	(	ActsScalar	Rx,
		ActsScalar	Ry,
		const Vector2 &	origin,
		const Vector2 &	dir
	)

static

Intersect ellipses

Parameters

Rx	The radius in x
Ry	The radius in y
origin	The Start of intersection line
dir	The Direction of intersection line

Returns: the intersection points

Definition at line 44 of file IntersectionHelper2D.cpp.

View newest version in sPHENIX GitHub at line 44 of file IntersectionHelper2D.cpp

References alpha, autodiff::detail::copysign(), Acts::detail::RealQuadraticEquation::first, Acts::Intersection< DIM >::invalid(), k, Acts::s_epsilon, Acts::detail::RealQuadraticEquation::second, Acts::detail::RealQuadraticEquation::solutions, ambiguity_solver_full_chain::x, and x0.

Referenced by Acts::Test::basicChecks(), Acts::Test::BOOST_AUTO_TEST_CASE(), and intersectCircle().

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Acts::Intersection2D Acts::detail::IntersectionHelper2D::intersectSegment	(	const Vector2 &	s0,
		const Vector2 &	s1,
		const Vector2 &	origin,
		const Vector2 &	dir,
		bool	boundCheck = `false`
	)

static

Intersect two segments

Parameters

s0	The Start of the segment
s1	The end of the segment
origin	The Start of intersection line
dir	The Direction of intersection line

Returns: the intersection point with status

Definition at line 17 of file IntersectionHelper2D.cpp.

View newest version in sPHENIX GitHub at line 17 of file IntersectionHelper2D.cpp

References Acts::Intersection< DIM >::invalid(), line, norm, Acts::s_epsilon, and utils::status.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), and ActsFatras::Channelizer::segments().

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

acts/blob/sPHENIX/Core/include/Acts/Surfaces/detail/IntersectionHelper2D.hpp
acts/blob/sPHENIX/Core/src/Surfaces/IntersectionHelper2D.cpp

Static Public Member Functions

Detailed Description

Member Function Documentation