Representation of one of the most optimal path between source and receptor: S—>R. The class TYChemin represents a path between a Source and a receptor (Recepteur class). It's constituted of a collection of steps (TYEtape class). Specific derivation of TYChemin for 9613Solver version 2024. More...

#include <TYChemin9613Solver2024.h>

Inheritance diagram for TYChemin9613Solver2024:

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Collaboration diagram for TYChemin9613Solver2024:

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Public Member Functions
OSpectreOctave	calcMinimalExtensionConditionOneReflection (const OPoint3D &Oprev, const OPoint3D &O, double d_SO, double d_OR, double a, double h, const OVector3D &n) const override
	Evaluate minimal extension condition for a specular reflection on a flat surface in function of the wavelength. More...

void	calcCylinderReflectionAttenuation (const OPoint3D &S, const OPoint3D &R, const OPoint3D &P, const OPoint3D &M, double r, const OVector3D &axis) override
	Compute attenuation when a reflection occur on a cylinder Implements Eq. 30 of 9613-2:2024 standard. More...

Public Member Functions inherited from TYChemin9613Solver
	TYChemin9613Solver ()
	Constructor. More...

	TYChemin9613Solver (const TYChemin9613Solver &other)
	Copy contructor. More...

	~TYChemin9613Solver () override
	Destructor. More...

TYChemin9613Solver &	operator= (const TYChemin9613Solver &other)
	Operator =. More...

bool	operator== (const TYChemin9613Solver &other) const
	Operator ==. More...

bool	operator!= (const TYChemin9613Solver &other) const
	Operator !=. More...

void	calcAttenuation (const TYTabEtape9613Solver &tabEtapes, const AtmosphericConditions &atmos, double dp=0.0, double hs=0.0, double hr=0.0, double Gs=0.5, double Gm=0.5, double Gr=0.5)
	Compute the global attenuation on the path. More...

void	setMinimalExtensionConditionReflection (const OSpectreOctave &filter)
	Set the minimal extension condition reflection. More...

void	computeBarAttenuation (const OSpectreOctave &Dz, const bool vertical, const bool left)
	Compute barrier attenuation on the path. It implements recommendation 5.5 of 17534-3 standard, or equivalently Eq. 16-17 of 9613-2:2024 standard. In addition to the parameters, the result is function of the attenuation of type ATTENUATION_GND_TOTAL. The result is stored as an attenuation of type ATTENUATION_BAR_TOP, or ATTENUATION_BAR_LEFT, or ATTENUATION_BAR_RIGHT. More...

OSpectreOctave &	getAttenuation (const TYTypeAttenuation type)
	Return attenuation of the path of the type. More...

void	setAttenuation (const TYTypeAttenuation &type, const OSpectreOctave &att)
	Set the atmospheric attenuation. More...

void	setAttenuationBarWhenNoPath (bool vertical, bool left)
	Set attenuation bar to max to traduce the lack of diffracted ray on this path. More...

bool	hasAttenuation (const TYTypeAttenuation type) const
	Check if the attenuation of the given type exists in the attenuations table. More...

Public Member Functions inherited from TYChemin
	TYChemin ()
	Constructor. More...

	TYChemin (const TYChemin &other)
	Copy contructor. More...

virtual	~TYChemin ()
	Destructor. More...

TYChemin &	operator= (const TYChemin &other)
	Operator =. More...

bool	operator== (const TYChemin &other) const
	Operator ==. More...

bool	operator!= (const TYChemin &other) const
	Operator !=. More...

double	getLongueur ()
	Get/Set the path length. More...

const double	getLongueur () const

void	setLongueur (const double &longueur)

double	getDistance ()
	Get/Set the distance between source and receptor. More...

const double	getDistance () const

void	setDistance (const double &distance)

void	setType (const TYTypeChemin &type)
	Change the path type. More...

const TYTypeChemin	getType () const
	Return the path type. More...

template<typename T >
void	build_eq_path (const T &tabEtapes)
	build an acoustic_path from the tab of etapes More...

acoustic_path *	get_ray (OPoint3D ptR)

Protected Member Functions
OSpectreOctave	calcTotalGroundAttenuation (const OSpectreOctave &Agr_s, const OSpectreOctave &Agr_r, const OSpectreOctave &Agr_m, double hs, double hr, double dp) const override
	Compute total ground attenuation Agr from region ground attenuations and geometric configuration. More...

OPoint3D	projectOnPlane (const OPoint3D &P, const OVector3D &u1, const OVector3D &u2)
	Project a point P on the plane spanned by (u1, u2) from (0, 0, 0) More...

Additional Inherited Members
Protected Attributes inherited from TYChemin9613Solver
std::map< TYTypeAttenuation, OSpectreOctave >	_attenuations
	Attenuations spectra of the path. More...

Protected Attributes inherited from TYChemin
TYTypeChemin	_typeChemin
	Path type (has an influence on the algorithm) More...

double	_longueur
	Total path length. More...

double	_distance
	Direct distance between source and receptor. More...

acoustic_path *	_eq_path
	Equivalent acoustic_path. More...

Detailed Description

Representation of one of the most optimal path between source and receptor: S—>R. The class TYChemin represents a path between a Source and a receptor (Recepteur class). It's constituted of a collection of steps (TYEtape class). Specific derivation of TYChemin for 9613Solver version 2024.

Definition at line 36 of file TYChemin9613Solver2024.h.

Member Function Documentation

◆ calcCylinderReflectionAttenuation()

void TYChemin9613Solver2024::calcCylinderReflectionAttenuation	(	const OPoint3D &	S,
		const OPoint3D &	R,
		const OPoint3D &	P,
		const OPoint3D &	M,
		double	r,
		const OVector3D &	axis
	)

overridevirtual

Compute attenuation when a reflection occur on a cylinder Implements Eq. 30 of 9613-2:2024 standard.

Parameters

S	source point
R	receptor point
P	reflection point
M	center of the cylinder (any point along the cylinder' axis)
r	radius of the cylinder (assumed > 0)
axis	axis of the cylinder (assumed non-zero)

Reimplemented from TYChemin9613Solver.

Definition at line 100 of file TYChemin9613Solver2024.cpp.

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◆ calcMinimalExtensionConditionOneReflection()

OSpectreOctave TYChemin9613Solver2024::calcMinimalExtensionConditionOneReflection	(	const OPoint3D &	Oprev,
		const OPoint3D &	O,
		double	d_SO,
		double	d_OR,
		double	a,
		double	h,
		const OVector3D &	n
	)		const

overridevirtual

Evaluate minimal extension condition for a specular reflection on a flat surface in function of the wavelength.

Parameters

Oprev	the previous reflection point to compute reflection angle on current barrier
O	the reflection point on the flat surface
d_SO	Length along ray-path between Source S an reflection point O
d_OR	Length along ray-path between reflection point O and Receptor R
a	the horizontal extension of the surface (in meters)
h	the vertical extension of the surface (in meters)
n	normal of the surface (assumed to have a non-zero horizontal component)

Returns: a spectrum whose components are 1 (reflection occurs) or 0 (the wave passes through the surface)

Reimplemented from TYChemin9613Solver.

Definition at line 34 of file TYChemin9613Solver2024.cpp.

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◆ calcTotalGroundAttenuation()

OSpectreOctave TYChemin9613Solver2024::calcTotalGroundAttenuation	(	const OSpectreOctave &	Agr_s,
		const OSpectreOctave &	Agr_r,
		const OSpectreOctave &	Agr_m,
		double	hs,
		double	hr,
		double	dp
	)		const

overrideprotectedvirtual

Compute total ground attenuation Agr from region ground attenuations and geometric configuration.

Parameters

Agr_s	Ground attenuation spectrum in the "source region" in octave band
Agr_r	Ground attenuation spectrum in the "receiver region" in octave band
Agr_m	Ground attenuation spectrum in the "middle region" in octave band
hs	Height from ground of the source in meters
hr	Height from ground of the receiver in meters
dp	Distance between source and receiver projected on an horizontal plane in meters

Returns: Total ground attenuation spectrum Agr

Reimplemented from TYChemin9613Solver.

Definition at line 18 of file TYChemin9613Solver2024.cpp.

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◆ projectOnPlane()

OPoint3D TYChemin9613Solver2024::projectOnPlane	(	const OPoint3D &	P,
		const OVector3D &	u1,
		const OVector3D &	u2
	)

protected

Project a point P on the plane spanned by (u1, u2) from (0, 0, 0)

Parameters

P	P point
u1	first orthonormal basis vector
u2	second orthonormal basis vector

Returns: the projected point (third coordinate is zero)

Definition at line 162 of file TYChemin9613Solver2024.cpp.

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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/TYChemin9613Solver2024.h
/home/docs/checkouts/readthedocs.org/user_builds/code-tympan/checkouts/issue_1033/Tympan/solvers/9613/9613Solver2024/TYChemin9613Solver2024.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ calcCylinderReflectionAttenuation()

◆ calcMinimalExtensionConditionOneReflection()

◆ calcTotalGroundAttenuation()

◆ projectOnPlane()