Extrema_GenExtSS Class Reference

It calculates all the extremum distances between two surfaces. These distances can be minimum or maximum. More...

#include <Extrema_GenExtSS.hxx>

Public Member Functions
	Extrema_GenExtSS ()
	Empty constructor.
	~Extrema_GenExtSS ()
	Destructor.
	Extrema_GenExtSS (const Adaptor3d_Surface &S1, const Adaptor3d_Surface &S2, const int NbU, const int NbV, const double Tol1, const double Tol2)
	It calculates all the distances. The function F(u,v)=distance(S1(u1,v1),S2(u2,v2)) has an extremum when gradient(F)=0. The algorithm searches all the zeros inside the definition ranges of the surfaces. NbU and NbV are used to locate the close points to find the zeros.
	Extrema_GenExtSS (const Adaptor3d_Surface &S1, const Adaptor3d_Surface &S2, const int NbU, const int NbV, const double U1min, const double U1sup, const double V1min, const double V1sup, const double U2min, const double U2sup, const double V2min, const double V2sup, const double Tol1, const double Tol2)
	It calculates all the distances. The function F(u,v)=distance(P,S(u,v)) has an extremum when gradient(F)=0. The algorithm searches all the zeros inside the definition ranges of the surface. NbU and NbV are used to locate the close points to find the zeros.
void	Initialize (const Adaptor3d_Surface &S2, const int NbU, const int NbV, const double Tol2)
void	Initialize (const Adaptor3d_Surface &S2, const int NbU, const int NbV, const double U2min, const double U2sup, const double V2min, const double V2sup, const double Tol2)
void	Perform (const Adaptor3d_Surface &S1, const double Tol1)
	the algorithm is done with S1 An exception is raised if the fields have not been initialized.
void	Perform (const Adaptor3d_Surface &S1, const double U1min, const double U1sup, const double V1min, const double V1sup, const double Tol1)
	the algorithm is done withS1 An exception is raised if the fields have not been initialized.
bool	IsDone () const
	Returns True if the distances are found.
int	NbExt () const
	Returns the number of extremum distances.
double	SquareDistance (const int N) const
	Returns the value of the Nth resulting square distance.
const Extrema_POnSurf &	PointOnS1 (const int N) const
	Returns the point of the Nth resulting distance.
const Extrema_POnSurf &	PointOnS2 (const int N) const
	Returns the point of the Nth resulting distance.

Detailed Description

It calculates all the extremum distances between two surfaces. These distances can be minimum or maximum.

Constructor & Destructor Documentation

Extrema_GenExtSS() [1/3]

Extrema_GenExtSS::Extrema_GenExtSS

(

)

Empty constructor.

~Extrema_GenExtSS()

Extrema_GenExtSS::~Extrema_GenExtSS

(

)

Destructor.

Extrema_GenExtSS() [2/3]

Extrema_GenExtSS::Extrema_GenExtSS	(	const Adaptor3d_Surface &	S1,
		const Adaptor3d_Surface &	S2,
		const int	NbU,
		const int	NbV,
		const double	Tol1,
		const double	Tol2 )

It calculates all the distances. The function F(u,v)=distance(S1(u1,v1),S2(u2,v2)) has an extremum when gradient(F)=0. The algorithm searches all the zeros inside the definition ranges of the surfaces. NbU and NbV are used to locate the close points to find the zeros.

Extrema_GenExtSS() [3/3]

Extrema_GenExtSS::Extrema_GenExtSS	(	const Adaptor3d_Surface &	S1,
		const Adaptor3d_Surface &	S2,
		const int	NbU,
		const int	NbV,
		const double	U1min,
		const double	U1sup,
		const double	V1min,
		const double	V1sup,
		const double	U2min,
		const double	U2sup,
		const double	V2min,
		const double	V2sup,
		const double	Tol1,
		const double	Tol2 )

It calculates all the distances. The function F(u,v)=distance(P,S(u,v)) has an extremum when gradient(F)=0. The algorithm searches all the zeros inside the definition ranges of the surface. NbU and NbV are used to locate the close points to find the zeros.

Member Function Documentation

Initialize() [1/2]

void Extrema_GenExtSS::Initialize	(	const Adaptor3d_Surface &	S2,
		const int	NbU,
		const int	NbV,
		const double	Tol2 )

Initialize() [2/2]

void Extrema_GenExtSS::Initialize	(	const Adaptor3d_Surface &	S2,
		const int	NbU,
		const int	NbV,
		const double	U2min,
		const double	U2sup,
		const double	V2min,
		const double	V2sup,
		const double	Tol2 )

IsDone()

bool Extrema_GenExtSS::IsDone

(

)

const

Returns True if the distances are found.

NbExt()

int Extrema_GenExtSS::NbExt

(

)

const

Returns the number of extremum distances.

Perform() [1/2]

void Extrema_GenExtSS::Perform	(	const Adaptor3d_Surface &	S1,
		const double	Tol1 )

the algorithm is done with S1 An exception is raised if the fields have not been initialized.

Perform() [2/2]

void Extrema_GenExtSS::Perform	(	const Adaptor3d_Surface &	S1,
		const double	U1min,
		const double	U1sup,
		const double	V1min,
		const double	V1sup,
		const double	Tol1 )

the algorithm is done withS1 An exception is raised if the fields have not been initialized.

PointOnS1()

const Extrema_POnSurf & Extrema_GenExtSS::PointOnS1

(

const int

N

)

const

Returns the point of the Nth resulting distance.

PointOnS2()

const Extrema_POnSurf & Extrema_GenExtSS::PointOnS2

(

const int

N

)

const

Returns the point of the Nth resulting distance.

SquareDistance()

double Extrema_GenExtSS::SquareDistance

(

const int

N

)

const

Returns the value of the Nth resulting square distance.

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

• Extrema_GenExtSS.hxx