Law Function based on a BSpline curve 1d. Package methods and classes are implemented in package Law to construct the basis curve with several constraints. More...

#include <Law_BSpFunc.hxx>

Inheritance diagram for Law_BSpFunc:

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Public Member Functions
	Law_BSpFunc ()

	Law_BSpFunc (const Handle< Law_BSpline > &C, const Standard_Real First, const Standard_Real Last)

GeomAbs_Shape	Continuity () const

Standard_Integer	NbIntervals (const GeomAbs_Shape S) const
	Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S> More...

void	Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const
	Stores in <T> the parameters bounding the intervals of continuity <S>. More...

Standard_Real	Value (const Standard_Real X)
	Returns the value of the function at the point of parameter X. More...

void	D1 (const Standard_Real X, Standard_Real &F, Standard_Real &D)
	Returns the value F and the first derivative D of the function at the point of parameter X. More...

void	D2 (const Standard_Real X, Standard_Real &F, Standard_Real &D, Standard_Real &D2)
	Returns the value, first and seconde derivatives at parameter X. More...

Handle< Law_Function >	Trim (const Standard_Real PFirst, const Standard_Real PLast, const Standard_Real Tol) const
	Returns a law equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. It is usfule to determines the derivatives in these values <First> and <Last> if the Law is not Cn. More...

void	Bounds (Standard_Real &PFirst, Standard_Real &PLast)
	Returns the parametric bounds of the function. More...

Handle< Law_BSpline >	Curve () const

void	SetCurve (const Handle< Law_BSpline > &C)

Public Member Functions inherited from MMgt_TShared
virtual void	Delete () const
	Memory deallocator for transient classes. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual const Handle_Standard_Type &	DynamicType () const
	Returns a type information object about this object. More...

Standard_Boolean	IsInstance (const Handle_Standard_Type &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const Handle_Standard_Type &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

virtual Handle_Standard_Transient	This () const
	Returns a Handle which references this object. Must never be called to objects created in stack. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

Detailed Description

Law Function based on a BSpline curve 1d. Package methods and classes are implemented in package Law to construct the basis curve with several constraints.

Constructor & Destructor Documentation

Law_BSpFunc::Law_BSpFunc ( )

Law_BSpFunc::Law_BSpFunc	(	const Handle< Law_BSpline > &	C,
		const Standard_Real	First,
		const Standard_Real	Last
	)

Member Function Documentation

void Law_BSpFunc::Bounds	(	Standard_Real &	PFirst,
		Standard_Real &	PLast
	)

virtual

Returns the parametric bounds of the function.

Implements Law_Function.

GeomAbs_Shape Law_BSpFunc::Continuity ( ) const

virtual

Implements Law_Function.

Handle< Law_BSpline > Law_BSpFunc::Curve ( ) const

void Law_BSpFunc::D1	(	const Standard_Real	X,
		Standard_Real &	F,
		Standard_Real &	D
	)

virtual

Returns the value F and the first derivative D of the function at the point of parameter X.

Implements Law_Function.

void Law_BSpFunc::D2	(	const Standard_Real	X,
		Standard_Real &	F,
		Standard_Real &	D,
		Standard_Real &	D2
	)

virtual

Returns the value, first and seconde derivatives at parameter X.

Implements Law_Function.

void Law_BSpFunc::Intervals	(	TColStd_Array1OfReal &	T,
		const GeomAbs_Shape	S
	)		const

virtual

Stores in <T> the parameters bounding the intervals of continuity <S>.

The array must provide enough room to accomodate for the parameters. i.e. T.Length() > NbIntervals()

Implements Law_Function.

Standard_Integer Law_BSpFunc::NbIntervals ( const GeomAbs_Shape S ) const

virtual

Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S>

Implements Law_Function.

void Law_BSpFunc::SetCurve ( const Handle< Law_BSpline > & C )

Handle< Law_Function > Law_BSpFunc::Trim	(	const Standard_Real	PFirst,
		const Standard_Real	PLast,
		const Standard_Real	Tol
	)		const

virtual

Returns a law equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. It is usfule to determines the derivatives in these values <First> and <Last> if the Law is not Cn.

Implements Law_Function.

Standard_Real Law_BSpFunc::Value ( const Standard_Real X )

virtual

Returns the value of the function at the point of parameter X.

Implements Law_Function.

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

Law_BSpFunc.hxx

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation