Convert_HyperbolaToBSplineCurve Class Reference

This algorithm converts a hyperbola into a rational B-spline curve. The hyperbola is an Hypr2d from package gp with the parametrization : P (U) = Loc + (MajorRadius * Cosh(U) * Xdir + MinorRadius * Sinh(U) * Ydir) where Loc is the location point of the hyperbola, Xdir and Ydir are the normalized directions of the local cartesian coordinate system of the hyperbola. KeyWords : Convert, Hyperbola, BSplineCurve, 2D . More...

#include <Convert_HyperbolaToBSplineCurve.hxx>

Inheritance diagram for Convert_HyperbolaToBSplineCurve:

Public Member Functions
	Convert_HyperbolaToBSplineCurve (const gp_Hypr2d &H, const Standard_Real U1, const Standard_Real U2)
	The hyperbola H is limited between the parametric values U1, U2 and the equivalent B-spline curve has the same orientation as the hyperbola.
Public Member Functions inherited from Convert_ConicToBSplineCurve
Standard_Integer	Degree () const
	Returns the degree of the BSpline curve whose data is computed in this framework.
Standard_Integer	NbPoles () const
	Returns the number of poles of the BSpline curve whose data is computed in this framework.
Standard_Integer	NbKnots () const
	Returns the number of knots of the BSpline curve whose data is computed in this framework.
Standard_Boolean	IsPeriodic () const
	Returns true if the BSpline curve whose data is computed in this framework is periodic.
gp_Pnt2d	Pole (const Standard_Integer Index) const
	Returns the pole of index Index to the poles table of the BSpline curve whose data is computed in this framework. Exceptions Standard_OutOfRange if Index is outside the bounds of the poles table of the BSpline curve whose data is computed in this framework.
Standard_Real	Weight (const Standard_Integer Index) const
	Returns the weight of the pole of index Index to the poles table of the BSpline curve whose data is computed in this framework. Exceptions Standard_OutOfRange if Index is outside the bounds of the poles table of the BSpline curve whose data is computed in this framework.
Standard_Real	Knot (const Standard_Integer Index) const
	Returns the knot of index Index to the knots table of the BSpline curve whose data is computed in this framework. Exceptions Standard_OutOfRange if Index is outside the bounds of the knots table of the BSpline curve whose data is computed in this framework.
Standard_Integer	Multiplicity (const Standard_Integer Index) const
	Returns the multiplicity of the knot of index Index to the knots table of the BSpline curve whose data is computed in this framework. Exceptions Standard_OutOfRange if Index is outside the bounds of the knots table of the BSpline curve whose data is computed in this framework.
void	BuildCosAndSin (const Convert_ParameterisationType Parametrisation, Handle< TColStd_HArray1OfReal > &CosNumerator, Handle< TColStd_HArray1OfReal > &SinNumerator, Handle< TColStd_HArray1OfReal > &Denominator, Standard_Integer &Degree, Handle< TColStd_HArray1OfReal > &Knots, Handle< TColStd_HArray1OfInteger > &Mults) const
void	BuildCosAndSin (const Convert_ParameterisationType Parametrisation, const Standard_Real UFirst, const Standard_Real ULast, Handle< TColStd_HArray1OfReal > &CosNumerator, Handle< TColStd_HArray1OfReal > &SinNumerator, Handle< TColStd_HArray1OfReal > &Denominator, Standard_Integer &Degree, Handle< TColStd_HArray1OfReal > &Knots, Handle< TColStd_HArray1OfInteger > &Mults) const

Additional Inherited Members
Protected Member Functions inherited from Convert_ConicToBSplineCurve
	Convert_ConicToBSplineCurve (const Standard_Integer NumberOfPoles, const Standard_Integer NumberOfKnots, const Standard_Integer Degree)
Protected Attributes inherited from Convert_ConicToBSplineCurve
Handle< TColgp_HArray1OfPnt2d >	poles
Handle< TColStd_HArray1OfReal >	weights
Handle< TColStd_HArray1OfReal >	knots
Handle< TColStd_HArray1OfInteger >	mults
Standard_Integer	degree
Standard_Integer	nbPoles
Standard_Integer	nbKnots
Standard_Boolean	isperiodic

Detailed Description

This algorithm converts a hyperbola into a rational B-spline curve. The hyperbola is an Hypr2d from package gp with the parametrization : P (U) = Loc + (MajorRadius * Cosh(U) * Xdir + MinorRadius * Sinh(U) * Ydir) where Loc is the location point of the hyperbola, Xdir and Ydir are the normalized directions of the local cartesian coordinate system of the hyperbola. KeyWords : Convert, Hyperbola, BSplineCurve, 2D .

Constructor & Destructor Documentation

Convert_HyperbolaToBSplineCurve()

Convert_HyperbolaToBSplineCurve::Convert_HyperbolaToBSplineCurve	(	const gp_Hypr2d &	H,
		const Standard_Real	U1,
		const Standard_Real	U2 )

The hyperbola H is limited between the parametric values U1, U2 and the equivalent B-spline curve has the same orientation as the hyperbola.

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

• Convert_HyperbolaToBSplineCurve.hxx