To define section law in sweeping
More...

#include <GeomFill_SectionLaw.hxx>

Inheritance diagram for GeomFill_SectionLaw:

[legend]

Public Member Functions
virtual Standard_Boolean	D0 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColStd_Array1OfReal &Weigths)=0
	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 <br> section for v = param <br> 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 <br> section for v = param <br> Warning : It used only for C2 aproximation 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. It is the default implementation. More...

virtual void	SectionShape (Standard_Integer &NbPoles, Standard_Integer &NbKnots, Standard_Integer &Degree) const =0
	get the format of an section More...

virtual void	Knots (TColStd_Array1OfReal &TKnots) const =0
	get the Knots of the section More...

virtual void	Mults (TColStd_Array1OfInteger &TMults) const =0
	get the Multplicities of the section More...

virtual Standard_Boolean	IsRational () const =0
	Returns if the sections are rationnal or not More...

virtual Standard_Boolean	IsUPeriodic () const =0
	Returns if the sections are periodic or not More...

virtual Standard_Boolean	IsVPeriodic () const =0
	Returns if law is periodic or not More...

virtual Standard_Integer	NbIntervals (const GeomAbs_Shape S) const =0
	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 =0
	Stores in <T> the parameters bounding the intervals <br> of continuity <S>. <br> The array must provide enough room to accomodate for the parameters. i.e. T.Length() > NbIntervals() More...

virtual void	SetInterval (const Standard_Real First, const Standard_Real Last)=0
	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 =0
	Gets the bounds of the parametric interval on the function More...

virtual void	GetDomain (Standard_Real &First, Standard_Real &Last) const =0
	Gets the bounds of the function parametric domain. <br> 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 =0
	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 void	SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d)
	Is usefull, if (me) have to run numerical <br> algorithm to perform D0, D1 or D2 <br> The default implementation make nothing. More...

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

virtual Standard_Real	MaximalSection () const =0
	Returns the length of the greater section. This <br> information is usefull to G1's control. <br> 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 <br> in all sections. <br> This information is usefull to control error <br> in rational approximation. <br> Warning: Used only if <me> IsRational More...

virtual Standard_Boolean	IsConstant (Standard_Real &Error) const
	Say if all sections are equals More...

virtual Handle_Geom_Curve	ConstantSection () const
	Return a copy of the constant Section, if me <br> IsConstant <br> 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 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 void	ShallowDump (Standard_OStream &) const

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

To define section law in sweeping

Member Function Documentation

virtual gp_Pnt GeomFill_SectionLaw::BarycentreOfSurf ( ) const

virtual

 Get the barycentre of Surface. <br>
    An   very  poor estimation is sufficent. <br>
    This information is usefull to perform well <br>
    conditioned rational approximation. <br>

Warning: Used only if <me> IsRational

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Handle_Geom_BSplineSurface GeomFill_SectionLaw::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. It is the default implementation.

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Handle_Geom_Curve GeomFill_SectionLaw::CirclSection ( const Standard_Real Param ) const

virtual

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

Reimplemented in GeomFill_NSections.

virtual Handle_Geom_Curve GeomFill_SectionLaw::ConstantSection ( ) const

virtual

  Return a  copy of the  constant Section,  if me <br>
     IsConstant <br>

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

compute the section for v = param

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::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 <br>
     section for v =  param <br>

Warning : It used only for C1 or C2 aproximation

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::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 <br>
    section  for v = param <br>

Warning : It used only for C2 aproximation

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

Gets the bounds of the function parametric domain. <br>

Warning: This domain it is not modified by the
SetValue method

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

Gets the bounds of the parametric interval on
the function

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

virtual

Compute the minimal value of weight for each poles <br>
    in all  sections. <br>
    This information is  usefull to control error <br>
    in rational approximation. <br>

Warning: Used only if <me> IsRational

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure 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.

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

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

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

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::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 in GeomFill_NSections.

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

virtual

Say if all sections are equals

Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::IsRational ( ) const

pure virtual

Returns if the sections are rationnal or not

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::IsUPeriodic ( ) const

pure virtual

Returns if the sections are periodic or not

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Boolean GeomFill_SectionLaw::IsVPeriodic ( ) const

pure virtual

Returns if law is periodic or not

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

get the Knots of the section

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual Standard_Real GeomFill_SectionLaw::MaximalSection ( ) const

pure virtual

Returns the   length of the greater section. This <br>
    information is usefull to G1's control. <br>

Warning: With an little value, approximation can be slower.

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

get the Multplicities of the section

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

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

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

get the format of an section

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

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

pure virtual

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

Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.

virtual void GeomFill_SectionLaw::SetTolerance	(	const Standard_Real	Tol3d,
		const Standard_Real	Tol2d
	)

virtual

 Is  usefull, if (me)  have to run  numerical <br>
     algorithm  to perform D0,  D1 or D2 <br>

The default implementation make nothing.

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

GeomFill_SectionLaw.hxx

Public Member Functions

Detailed Description

Member Function Documentation