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 Standard_Real Qxx, const Standard_Real Qyy, const Standard_Real Qzz, const Standard_Real Qxy, const Standard_Real Qxz, const Standard_Real Qyz, const Standard_Real Qx, const Standard_Real Qy, const Standard_Real Qz, const Standard_Real Q1, const Standard_Real Tol, const Standard_Real DomInf, const Standard_Real DomSup, const Standard_Boolean TwoZForATheta, const Standard_Boolean ZIsPositive)
	Sets the parameters used to compute Points and Derivative on the curve.
void	SetConeQuadValues (const gp_Cone &Cone, const Standard_Real Qxx, const Standard_Real Qyy, const Standard_Real Qzz, const Standard_Real Qxy, const Standard_Real Qxz, const Standard_Real Qyz, const Standard_Real Qx, const Standard_Real Qy, const Standard_Real Qz, const Standard_Real Q1, const Standard_Real Tol, const Standard_Real DomInf, const Standard_Real DomSup, const Standard_Boolean TwoZForATheta, const Standard_Boolean ZIsPositive)
	Sets the parameters used to compute Points and Derivative on the curve.
Standard_Boolean	IsOpen () const
	Returns TRUE if the curve is not infinite at the last parameter or at the first parameter of the domain.
void	Domain (Standard_Real &theFirst, Standard_Real &theLast) const
	Returns the paramatric domain of the curve.
Standard_Boolean	IsConstant () const
	Returns TRUE if the function is constant.
Standard_Boolean	IsFirstOpen () const
	Returns TRUE if the domain is open at the beginning.
Standard_Boolean	IsLastOpen () const
	Returns TRUE if the domain is open at the end.
gp_Pnt	Value (const Standard_Real Theta)
	Returns the point at parameter Theta on the curve.
Standard_Boolean	D1u (const Standard_Real 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, TColStd_ListOfReal &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 Standard_Boolean Flag)
	If flag is True, the Curve is not defined at the first parameter of its domain.
void	SetIsLastOpen (const Standard_Boolean Flag)
	If flag is True, the Curve is not defined at the first parameter of its domain.
void	SetDomain (const Standard_Real theFirst, const Standard_Real theLast)
	Trims this curve.

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

Standard_Boolean IntAna_Curve::D1u	(	const Standard_Real	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	(	Standard_Real &	theFirst,
		Standard_Real &	theLast
	)		const

Returns the paramatric domain of the curve.

FindParameter()

void IntAna_Curve::FindParameter	(	const gp_Pnt &	P,
		TColStd_ListOfReal &	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 Standard_Real  Param, Standard_Real &  U, Standard_Real &  V, Standard_Real &  A, Standard_Real &  B, Standard_Real &  C, Standard_Real &  Co, Standard_Real &  Si, Standard_Real &  Di  ) const

protected

Protected function.

InternalValue()

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

protected

Protected function.

IsConstant()

Standard_Boolean IntAna_Curve::IsConstant

(

)

const

Returns TRUE if the function is constant.

IsFirstOpen()

Standard_Boolean IntAna_Curve::IsFirstOpen

(

)

const

Returns TRUE if the domain is open at the beginning.

IsLastOpen()

Standard_Boolean IntAna_Curve::IsLastOpen

(

)

const

Returns TRUE if the domain is open at the end.

IsOpen()

Standard_Boolean 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 Standard_Real	Qxx,
		const Standard_Real	Qyy,
		const Standard_Real	Qzz,
		const Standard_Real	Qxy,
		const Standard_Real	Qxz,
		const Standard_Real	Qyz,
		const Standard_Real	Qx,
		const Standard_Real	Qy,
		const Standard_Real	Qz,
		const Standard_Real	Q1,
		const Standard_Real	Tol,
		const Standard_Real	DomInf,
		const Standard_Real	DomSup,
		const Standard_Boolean	TwoZForATheta,
		const Standard_Boolean	ZIsPositive
	)

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

SetCylinderQuadValues()

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

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

SetDomain()

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

Trims this curve.

SetIsFirstOpen()

void IntAna_Curve::SetIsFirstOpen

(

const Standard_Boolean

Flag

)

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

SetIsLastOpen()

void IntAna_Curve::SetIsLastOpen

(

const Standard_Boolean

Flag

)

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

Value()

gp_Pnt IntAna_Curve::Value

(

const Standard_Real

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