Define an Constant Section Law. More...

#include <GeomFill_UniformSection.hxx>

Inheritance diagram for GeomFill_UniformSection:

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Public Member Functions
	GeomFill_UniformSection (const Handle< Geom_Curve > &C, const Standard_Real FirstParameter=0.0, const Standard_Real LastParameter=1.0)
	Make an constant Law with C. [First, Last] define law definition domain.

virtual Standard_Boolean	D0 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColStd_Array1OfReal &Weigths) override
	compute the section for v = param

virtual Standard_Boolean	D1 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, TColStd_Array1OfReal &Weigths, TColStd_Array1OfReal &DWeigths) override
	compute the first derivative in v direction of the section for v = param Warning : It used only for C1 or C2 approximation

virtual Standard_Boolean	D2 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, TColgp_Array1OfVec &D2Poles, TColStd_Array1OfReal &Weigths, TColStd_Array1OfReal &DWeigths, TColStd_Array1OfReal &D2Weigths) override
	compute the second derivative in v direction of the section for v = param Warning : It used only for C2 approximation

virtual Handle< Geom_BSplineSurface >	BSplineSurface () const override
	give if possible an bspline Surface, like iso-v are the section. If it is not possible this methode have to get an Null Surface. Is it the default implementation.

virtual void	SectionShape (Standard_Integer &NbPoles, Standard_Integer &NbKnots, Standard_Integer &Degree) const override
	get the format of an section

virtual void	Knots (TColStd_Array1OfReal &TKnots) const override
	get the Knots of the section

virtual void	Mults (TColStd_Array1OfInteger &TMults) const override
	get the Multplicities of the section

virtual Standard_Boolean	IsRational () const override
	Returns if the sections are rationnal or not.

virtual Standard_Boolean	IsUPeriodic () const override
	Returns if the sections are periodic or not.

virtual Standard_Boolean	IsVPeriodic () const override
	Returns if the law isperiodic or not.

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

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

virtual void	SetInterval (const Standard_Real First, const Standard_Real Last) override
	Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn.

virtual void	GetInterval (Standard_Real &First, Standard_Real &Last) const override
	Gets the bounds of the parametric interval on the function.

virtual void	GetDomain (Standard_Real &First, Standard_Real &Last) const override
	Gets the bounds of the function parametric domain. Warning: This domain it is not modified by the SetValue method.

virtual void	GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const override
	Returns the tolerances associated at each poles to reach in approximation, to satisfy: BoundTol error at the Boundary AngleTol tangent error at the Boundary (in radian) SurfTol error inside the surface.

virtual gp_Pnt	BarycentreOfSurf () const override
	Get the barycentre of Surface. An very poor estimation is sufficient. This information is useful to perform well conditioned rational approximation. Warning: Used only if <me> IsRational.

virtual Standard_Real	MaximalSection () const override
	Returns the length of the greater section. This information is useful to G1's control. Warning: With an little value, approximation can be slower.

virtual void	GetMinimalWeight (TColStd_Array1OfReal &Weigths) const override
	Compute the minimal value of weight for each poles in all sections. This information is useful to control error in rational approximation. Warning: Used only if <me> IsRational.

virtual Standard_Boolean	IsConstant (Standard_Real &Error) const override
	return True

virtual Handle< Geom_Curve >	ConstantSection () const override
	Return the constant Section if <me> IsConstant.

Public Member Functions inherited from GeomFill_SectionLaw
virtual void	SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d)
	Is useful, if (me) have to run numerical algorithm to perform D0, D1 or D2 The default implementation make nothing.

virtual Standard_Boolean	IsConicalLaw (Standard_Real &Error) const
	Returns True if all section are circle, with same plane,same center and linear radius evolution Return False by Default.

virtual Handle< Geom_Curve >	CirclSection (const Standard_Real Param) const
	Return the circle section at parameter , if <me> a IsConicalLaw.

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

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

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

virtual	~Standard_Transient ()
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

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

Standard_Boolean	IsKind (const opencascade::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.

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.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

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

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object.

Standard_Integer	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value.

virtual void	Delete () const
	Memory deallocator for transient classes.

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Detailed Description

Define an Constant Section Law.

Constructor & Destructor Documentation

◆ GeomFill_UniformSection()

GeomFill_UniformSection::GeomFill_UniformSection	(	const Handle< Geom_Curve > &	C,
		const Standard_Real	FirstParameter = `0.0`,
		const Standard_Real	LastParameter = `1.0`
	)

Make an constant Law with C. [First, Last] define law definition domain.

Member Function Documentation

◆ BarycentreOfSurf()

virtual gp_Pnt GeomFill_UniformSection::BarycentreOfSurf ( ) const

overridevirtual

Get the barycentre of Surface. An very poor estimation is sufficient. This information is useful to perform well conditioned rational approximation. Warning: Used only if <me> IsRational.

Reimplemented from GeomFill_SectionLaw.

◆ BSplineSurface()

virtual Handle< Geom_BSplineSurface > GeomFill_UniformSection::BSplineSurface ( ) const

overridevirtual

give if possible an bspline Surface, like iso-v are the section. If it is not possible this methode have to get an Null Surface. Is it the default implementation.

Reimplemented from GeomFill_SectionLaw.

◆ ConstantSection()

virtual Handle< Geom_Curve > GeomFill_UniformSection::ConstantSection ( ) const

overridevirtual

Return the constant Section if <me> IsConstant.

Reimplemented from GeomFill_SectionLaw.

◆ D0()

virtual Standard_Boolean GeomFill_UniformSection::D0	(	const Standard_Real	Param,
		TColgp_Array1OfPnt &	Poles,
		TColStd_Array1OfReal &	Weigths
	)

overridevirtual

compute the section for v = param

Implements GeomFill_SectionLaw.

◆ D1()

virtual Standard_Boolean GeomFill_UniformSection::D1	(	const Standard_Real	Param,
		TColgp_Array1OfPnt &	Poles,
		TColgp_Array1OfVec &	DPoles,
		TColStd_Array1OfReal &	Weigths,
		TColStd_Array1OfReal &	DWeigths
	)

overridevirtual

compute the first derivative in v direction of the section for v = param Warning : It used only for C1 or C2 approximation

Reimplemented from GeomFill_SectionLaw.

◆ D2()

virtual Standard_Boolean GeomFill_UniformSection::D2	(	const Standard_Real	Param,
		TColgp_Array1OfPnt &	Poles,
		TColgp_Array1OfVec &	DPoles,
		TColgp_Array1OfVec &	D2Poles,
		TColStd_Array1OfReal &	Weigths,
		TColStd_Array1OfReal &	DWeigths,
		TColStd_Array1OfReal &	D2Weigths
	)

overridevirtual

compute the second derivative in v direction of the section for v = param Warning : It used only for C2 approximation

Reimplemented from GeomFill_SectionLaw.

◆ GetDomain()

virtual void GeomFill_UniformSection::GetDomain	(	Standard_Real &	First,
		Standard_Real &	Last
	)		const

overridevirtual

Gets the bounds of the function parametric domain. Warning: This domain it is not modified by the SetValue method.

Implements GeomFill_SectionLaw.

◆ GetInterval()

virtual void GeomFill_UniformSection::GetInterval	(	Standard_Real &	First,
		Standard_Real &	Last
	)		const

overridevirtual

Gets the bounds of the parametric interval on the function.

Implements GeomFill_SectionLaw.

◆ GetMinimalWeight()

virtual void GeomFill_UniformSection::GetMinimalWeight ( TColStd_Array1OfReal & Weigths ) const

overridevirtual

Compute the minimal value of weight for each poles in all sections. This information is useful to control error in rational approximation. Warning: Used only if <me> IsRational.

Reimplemented from GeomFill_SectionLaw.

◆ GetTolerance()

virtual void GeomFill_UniformSection::GetTolerance	(	const Standard_Real	BoundTol,
		const Standard_Real	SurfTol,
		const Standard_Real	AngleTol,
		TColStd_Array1OfReal &	Tol3d
	)		const

overridevirtual

Returns the tolerances associated at each poles to reach in approximation, to satisfy: BoundTol error at the Boundary AngleTol tangent error at the Boundary (in radian) SurfTol error inside the surface.

Implements GeomFill_SectionLaw.

◆ Intervals()

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

overridevirtual

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

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

Implements GeomFill_SectionLaw.

◆ IsConstant()

virtual Standard_Boolean GeomFill_UniformSection::IsConstant ( Standard_Real & Error ) const

overridevirtual

return True

Reimplemented from GeomFill_SectionLaw.

◆ IsRational()

virtual Standard_Boolean GeomFill_UniformSection::IsRational ( ) const

overridevirtual

Returns if the sections are rationnal or not.

Implements GeomFill_SectionLaw.

◆ IsUPeriodic()

virtual Standard_Boolean GeomFill_UniformSection::IsUPeriodic ( ) const

overridevirtual

Returns if the sections are periodic or not.

Implements GeomFill_SectionLaw.

◆ IsVPeriodic()

virtual Standard_Boolean GeomFill_UniformSection::IsVPeriodic ( ) const

overridevirtual

Returns if the law isperiodic or not.

Implements GeomFill_SectionLaw.

◆ Knots()

virtual void GeomFill_UniformSection::Knots ( TColStd_Array1OfReal & TKnots ) const

overridevirtual

get the Knots of the section

Implements GeomFill_SectionLaw.

◆ MaximalSection()

virtual Standard_Real GeomFill_UniformSection::MaximalSection ( ) const

overridevirtual

Returns the length of the greater section. This information is useful to G1's control. Warning: With an little value, approximation can be slower.

Implements GeomFill_SectionLaw.

◆ Mults()

virtual void GeomFill_UniformSection::Mults ( TColStd_Array1OfInteger & TMults ) const

overridevirtual

get the Multplicities of the section

Implements GeomFill_SectionLaw.

◆ NbIntervals()

virtual Standard_Integer GeomFill_UniformSection::NbIntervals ( const GeomAbs_Shape S ) const

overridevirtual

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

Implements GeomFill_SectionLaw.

◆ SectionShape()

virtual void GeomFill_UniformSection::SectionShape	(	Standard_Integer &	NbPoles,
		Standard_Integer &	NbKnots,
		Standard_Integer &	Degree
	)		const

overridevirtual

get the format of an section

Implements GeomFill_SectionLaw.

◆ SetInterval()

virtual void GeomFill_UniformSection::SetInterval	(	const Standard_Real	First,
		const Standard_Real	Last
	)

overridevirtual

Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn.

Implements GeomFill_SectionLaw.

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

GeomFill_UniformSection.hxx

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GeomFill_UniformSection()

Member Function Documentation

◆ BarycentreOfSurf()

◆ BSplineSurface()

◆ ConstantSection()

◆ D0()

◆ D1()

◆ D2()

◆ GetDomain()

◆ GetInterval()

◆ GetMinimalWeight()

◆ GetTolerance()

◆ Intervals()

◆ IsConstant()

◆ IsRational()

◆ IsUPeriodic()

◆ IsVPeriodic()

◆ Knots()

◆ MaximalSection()

◆ Mults()

◆ NbIntervals()

◆ SectionShape()

◆ SetInterval()