IntAna_Curve Class Reference

Definition of a parametric Curve which is the result of the intersection between two quadrics. More...

#include <IntAna_Curve.hxx>

Public Member Functions
	IntAna_Curve ()
	Empty Constructor.
void	SetCylinderQuadValues (const gp_Cylinder &Cylinder, const double Qxx, const double Qyy, const double Qzz, const double Qxy, const double Qxz, const double Qyz, const double Qx, const double Qy, const double Qz, const double Q1, const double Tol, const double DomInf, const double DomSup, const bool TwoZForATheta, const bool ZIsPositive)
	Sets the parameters used to compute Points and Derivative on the curve.
void	SetConeQuadValues (const gp_Cone &Cone, const double Qxx, const double Qyy, const double Qzz, const double Qxy, const double Qxz, const double Qyz, const double Qx, const double Qy, const double Qz, const double Q1, const double Tol, const double DomInf, const double DomSup, const bool TwoZForATheta, const bool ZIsPositive)
	Sets the parameters used to compute Points and Derivative on the curve.
bool	IsOpen () const
	Returns TRUE if the curve is not infinite at the last parameter or at the first parameter of the domain.
void	Domain (double &theFirst, double &theLast) const
	Returns the parametric domain of the curve.
bool	IsConstant () const
	Returns TRUE if the function is constant.
bool	IsFirstOpen () const
	Returns TRUE if the domain is open at the beginning.
bool	IsLastOpen () const
	Returns TRUE if the domain is open at the end.
gp_Pnt	Value (const double Theta)
	Returns the point at parameter Theta on the curve.
bool	D1u (const double Theta, gp_Pnt &P, gp_Vec &V)
	Returns the point and the first derivative at parameter Theta on the curve.
void	FindParameter (const gp_Pnt &P, NCollection_List< double > &theParams) const
	Tries to find the parameter of the point P on the curve. If the method returns False, the "projection" is impossible. If the method returns True at least one parameter has been found. theParams is always sorted in ascending order.
void	SetIsFirstOpen (const bool Flag)
	If flag is True, the Curve is not defined at the first parameter of its domain.
void	SetIsLastOpen (const bool Flag)
	If flag is True, the Curve is not defined at the first parameter of its domain.
void	SetDomain (const double theFirst, const double theLast)
	Trims this curve.

Protected Member Functions
gp_Pnt	InternalValue (const double Theta1, const double Theta2) const
	Protected function.
void	InternalUVValue (const double Param, double &U, double &V, double &A, double &B, double &C, double &Co, double &Si, double &Di) const
	Protected function.

Detailed Description

Definition of a parametric Curve which is the result of the intersection between two quadrics.

Constructor & Destructor Documentation

IntAna_Curve()

IntAna_Curve::IntAna_Curve

(

)

Empty Constructor.

Member Function Documentation

D1u()

bool IntAna_Curve::D1u	(	const double	Theta,
		gp_Pnt &	P,
		gp_Vec &	V )

Returns the point and the first derivative at parameter Theta on the curve.

Domain()

void IntAna_Curve::Domain	(	double &	theFirst,
		double &	theLast ) const

Returns the parametric domain of the curve.

FindParameter()

void IntAna_Curve::FindParameter	(	const gp_Pnt &	P,
		NCollection_List< double > &	theParams ) const

Tries to find the parameter of the point P on the curve. If the method returns False, the "projection" is impossible. If the method returns True at least one parameter has been found. theParams is always sorted in ascending order.

InternalUVValue()

void IntAna_Curve::InternalUVValue ( const double Param, double & U, double & V, double & A, double & B, double & C, double & Co, double & Si, double & Di ) const

protected

Protected function.

InternalValue()

gp_Pnt IntAna_Curve::InternalValue ( const double Theta1, const double Theta2 ) const

protected

Protected function.

IsConstant()

bool IntAna_Curve::IsConstant

(

)

const

Returns TRUE if the function is constant.

IsFirstOpen()

bool IntAna_Curve::IsFirstOpen

(

)

const

Returns TRUE if the domain is open at the beginning.

IsLastOpen()

bool IntAna_Curve::IsLastOpen

(

)

const

Returns TRUE if the domain is open at the end.

IsOpen()

bool IntAna_Curve::IsOpen

(

)

const

Returns TRUE if the curve is not infinite at the last parameter or at the first parameter of the domain.

SetConeQuadValues()

void IntAna_Curve::SetConeQuadValues	(	const gp_Cone &	Cone,
		const double	Qxx,
		const double	Qyy,
		const double	Qzz,
		const double	Qxy,
		const double	Qxz,
		const double	Qyz,
		const double	Qx,
		const double	Qy,
		const double	Qz,
		const double	Q1,
		const double	Tol,
		const double	DomInf,
		const double	DomSup,
		const bool	TwoZForATheta,
		const bool	ZIsPositive )

Sets the parameters used to compute Points and Derivative on the curve.

SetCylinderQuadValues()

void IntAna_Curve::SetCylinderQuadValues	(	const gp_Cylinder &	Cylinder,
		const double	Qxx,
		const double	Qyy,
		const double	Qzz,
		const double	Qxy,
		const double	Qxz,
		const double	Qyz,
		const double	Qx,
		const double	Qy,
		const double	Qz,
		const double	Q1,
		const double	Tol,
		const double	DomInf,
		const double	DomSup,
		const bool	TwoZForATheta,
		const bool	ZIsPositive )

Sets the parameters used to compute Points and Derivative on the curve.

SetDomain()

void IntAna_Curve::SetDomain	(	const double	theFirst,
		const double	theLast )

Trims this curve.

SetIsFirstOpen()

void IntAna_Curve::SetIsFirstOpen

(

const bool

Flag

)

If flag is True, the Curve is not defined at the first parameter of its domain.

SetIsLastOpen()

void IntAna_Curve::SetIsLastOpen

(

const bool

Flag

)

If flag is True, the Curve is not defined at the first parameter of its domain.

Value()

gp_Pnt IntAna_Curve::Value

(

const double

Theta

)

Returns the point at parameter Theta on the curve.

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

• IntAna_Curve.hxx