VisibilityCone Class Reference

#include <TYVisibilityCone.h>

Collaboration diagram for VisibilityCone:

Public Member Functions
	VisibilityCone (const OPoint3D &pA, const OPoint3D &pB, const OPoint3D &pC)
	Builds a visibility cone spanned from point A into points B and C This cone is such that [BC] segment is inside the cone. More...
bool	segmentIsVisibleInCone (const OSegment3D &segmentToTest) const
	Test if a segment is visible in the visibility cone. More...

Private Member Functions
void	setupNormalsOfCone ()
	Compute exterior normal of the cone. More...
bool	pointIsInCone (const OPoint3D &pM2D) const
	Test if the point M lies inside the visibility cone. More...
bool	segmentIntersectsBorderCone (const OPoint3D &pM2D, const OPoint3D &pN2D) const
	Test if the segment [MN] intersects the borders of the visibility cone. More...
	FRIEND_TEST (test_TYVisibilityCone, pointIsInCone)
	FRIEND_TEST (test_TYVisibilityCone, segmentIntersectsBorderCone)

Private Attributes
OPoint3D	_pA2D
OPoint3D	_pB2D
OPoint3D	_pC2D
OVector3D	_vAB
OVector3D	_vAC
OVector3D	_nAB
OVector3D	_nAC

Detailed Description

Definition at line 27 of file TYVisibilityCone.h.

Constructor & Destructor Documentation

VisibilityCone()

VisibilityCone::VisibilityCone	(	const OPoint3D &	pA,
		const OPoint3D &	pB,
		const OPoint3D &	pC
	)

Builds a visibility cone spanned from point A into points B and C This cone is such that [BC] segment is inside the cone.

Parameters

pA	A point (third coordinate is ignored)
pB	B point (third coordinate is ignored)
pC	C point (third coordinate is ignored)

Definition at line 18 of file TYVisibilityCone.cpp.

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Member Function Documentation

FRIEND_TEST() [1/2]

VisibilityCone::FRIEND_TEST ( test_TYVisibilityCone  , pointIsInCone    )

private

FRIEND_TEST() [2/2]

VisibilityCone::FRIEND_TEST ( test_TYVisibilityCone  , segmentIntersectsBorderCone    )

private

pointIsInCone()

bool VisibilityCone::pointIsInCone ( const OPoint3D &  pM2D ) const

private

Test if the point M lies inside the visibility cone.

Parameters

pM	M point (third coordinate is assumed to be 0)

Returns

true if M is inside the cone, false otherwise

Definition at line 41 of file TYVisibilityCone.cpp.

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segmentIntersectsBorderCone()

bool VisibilityCone::segmentIntersectsBorderCone ( const OPoint3D &  pM2D, const OPoint3D &  pN2D  ) const

private

Test if the segment [MN] intersects the borders of the visibility cone.

Parameters

pM	M point (third coordinate is assumed to be 0)
pN	N point (third coordinate is assumed to be 0)

Returns

true if [MN] intersects one of the borders of the cone, false otherwise

Definition at line 49 of file TYVisibilityCone.cpp.

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segmentIsVisibleInCone()

bool VisibilityCone::segmentIsVisibleInCone

(

const OSegment3D &

segmentToTest

)

const

Test if a segment is visible in the visibility cone.

Parameters

segmentToTest

segment to test (third coordinates of points are ignored)

Returns

true if segmentToTest intersects the visibility cone

Definition at line 28 of file TYVisibilityCone.cpp.

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setupNormalsOfCone()

void VisibilityCone::setupNormalsOfCone ( )

private

Compute exterior normal of the cone.

Definition at line 56 of file TYVisibilityCone.cpp.

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Member Data Documentation

_nAB

OVector3D VisibilityCone::_nAB

private

Definition at line 77 of file TYVisibilityCone.h.

_nAC

OVector3D VisibilityCone::_nAC

private

Definition at line 78 of file TYVisibilityCone.h.

_pA2D

OPoint3D VisibilityCone::_pA2D

private

Definition at line 72 of file TYVisibilityCone.h.

_pB2D

OPoint3D VisibilityCone::_pB2D

private

Definition at line 73 of file TYVisibilityCone.h.

_pC2D

OPoint3D VisibilityCone::_pC2D

private

Definition at line 74 of file TYVisibilityCone.h.

_vAB

OVector3D VisibilityCone::_vAB

private

Definition at line 75 of file TYVisibilityCone.h.

_vAC

OVector3D VisibilityCone::_vAC

private

Definition at line 76 of file TYVisibilityCone.h.

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

• /home/docs/checkouts/readthedocs.org/user_builds/code-tympan/checkouts/issue_1033/Tympan/solvers/9613/9613Solver2024/TYVisibilityCone.h
• /home/docs/checkouts/readthedocs.org/user_builds/code-tympan/checkouts/issue_1033/Tympan/solvers/9613/9613Solver2024/TYVisibilityCone.cpp