Define a Section Law by N Sections. More...

#include <GeomFill_NSections.hxx>

Inheritance diagram for GeomFill_NSections:

Public Member Functions
	GeomFill_NSections (const TColGeom_SequenceOfCurve &NC)
	Make a SectionLaw with N Curves. More...

	GeomFill_NSections (const TColGeom_SequenceOfCurve &NC, const TColStd_SequenceOfReal &NP)
	Make a SectionLaw with N Curves and N associated parameters. More...

	GeomFill_NSections (const TColGeom_SequenceOfCurve &NC, const TColStd_SequenceOfReal &NP, const Standard_Real UF, const Standard_Real UL)
	Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections. More...

	GeomFill_NSections (const TColGeom_SequenceOfCurve &NC, const TColStd_SequenceOfReal &NP, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL)
	Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections VF and VL are the parametric bounds of the path. More...

	GeomFill_NSections (const TColGeom_SequenceOfCurve &NC, const GeomFill_SequenceOfTrsf &Trsfs, const TColStd_SequenceOfReal &NP, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL, const Handle< Geom_BSplineSurface > &Surf)
	Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections VF and VL are the parametric bounds of the path UF and UL are the parametric bounds of the NSections Surf is a reference surface used by BRepFill_NSections. More...

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

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

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)
	compute the second derivative in v direction of the section for v = param Warning : It used only for C2 aproximation More...

void	SetSurface (const Handle< Geom_BSplineSurface > &RefSurf)
	Sets the reference surface. More...

void	ComputeSurface ()
	Computes the surface. More...

virtual Handle< Geom_BSplineSurface >	BSplineSurface () const
	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. More...

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

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

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

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

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

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

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

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

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

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

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

virtual void	GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const
	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. More...

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

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

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

virtual Standard_Boolean	IsConstant (Standard_Real &Error) const
	return True If the Law isConstant More...

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

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. More...

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

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

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

Define a Section Law by N Sections.

Constructor & Destructor Documentation

GeomFill_NSections::GeomFill_NSections ( const TColGeom_SequenceOfCurve & NC )

Make a SectionLaw with N Curves.

GeomFill_NSections::GeomFill_NSections	(	const TColGeom_SequenceOfCurve &	NC,
		const TColStd_SequenceOfReal &	NP
	)

Make a SectionLaw with N Curves and N associated parameters.

GeomFill_NSections::GeomFill_NSections	(	const TColGeom_SequenceOfCurve &	NC,
		const TColStd_SequenceOfReal &	NP,
		const Standard_Real	UF,
		const Standard_Real	UL
	)

Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections.

GeomFill_NSections::GeomFill_NSections	(	const TColGeom_SequenceOfCurve &	NC,
		const TColStd_SequenceOfReal &	NP,
		const Standard_Real	UF,
		const Standard_Real	UL,
		const Standard_Real	VF,
		const Standard_Real	VL
	)

Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections VF and VL are the parametric bounds of the path.

GeomFill_NSections::GeomFill_NSections	(	const TColGeom_SequenceOfCurve &	NC,
		const GeomFill_SequenceOfTrsf &	Trsfs,
		const TColStd_SequenceOfReal &	NP,
		const Standard_Real	UF,
		const Standard_Real	UL,
		const Standard_Real	VF,
		const Standard_Real	VL,
		const Handle< Geom_BSplineSurface > &	Surf
	)

Make a SectionLaw with N Curves and N associated parameters. UF and UL are the parametric bounds of the NSections VF and VL are the parametric bounds of the path UF and UL are the parametric bounds of the NSections Surf is a reference surface used by BRepFill_NSections.

Member Function Documentation

virtual gp_Pnt GeomFill_NSections::BarycentreOfSurf ( ) const

virtual

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

Reimplemented from GeomFill_SectionLaw.

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

virtual

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.

virtual Handle< Geom_Curve > GeomFill_NSections::CirclSection ( const Standard_Real Param ) const

virtual

Return the circle section at parameter , if <me> a IsConicalLaw.

Reimplemented from GeomFill_SectionLaw.

void GeomFill_NSections::ComputeSurface ( )

Computes the surface.

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

virtual

Return the constant Section if <me> IsConstant.

Reimplemented from GeomFill_SectionLaw.

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

virtual

compute the section for v = param

Implements GeomFill_SectionLaw.

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

virtual

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

Reimplemented from GeomFill_SectionLaw.

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

virtual

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

Reimplemented from GeomFill_SectionLaw.

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

virtual

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

Implements GeomFill_SectionLaw.

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

virtual

Gets the bounds of the parametric interval on the function.

Implements GeomFill_SectionLaw.

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

virtual

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

Reimplemented from GeomFill_SectionLaw.

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

virtual

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.

virtual void GeomFill_NSections::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 GeomFill_SectionLaw.

virtual Standard_Boolean GeomFill_NSections::IsConicalLaw ( Standard_Real & Error ) const

virtual

Returns True if all section are circle, with same plane,same center and linear radius evolution Return False by Default.

Reimplemented from GeomFill_SectionLaw.

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

virtual

return True If the Law isConstant

Reimplemented from GeomFill_SectionLaw.

virtual Standard_Boolean GeomFill_NSections::IsRational ( ) const

virtual

Returns if the sections are rationnal or not.

Implements GeomFill_SectionLaw.

virtual Standard_Boolean GeomFill_NSections::IsUPeriodic ( ) const

virtual

Returns if the sections are periodic or not.

Implements GeomFill_SectionLaw.

virtual Standard_Boolean GeomFill_NSections::IsVPeriodic ( ) const

virtual

Returns if the law isperiodic or not.

Implements GeomFill_SectionLaw.

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

virtual

get the Knots of the section

Implements GeomFill_SectionLaw.

virtual Standard_Real GeomFill_NSections::MaximalSection ( ) const

virtual

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

Implements GeomFill_SectionLaw.

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

virtual

get the Multplicities of the section

Implements GeomFill_SectionLaw.

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

virtual

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

Implements GeomFill_SectionLaw.

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

virtual

get the format of an section

Implements GeomFill_SectionLaw.

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

virtual

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.

void GeomFill_NSections::SetSurface ( const Handle< Geom_BSplineSurface > & RefSurf )

Sets the reference surface.

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

GeomFill_NSections.hxx

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation