Topological Sweep Algorithm Computes an Sweep shell using a generating wire, an SectionLaw and an LocationLaw. More...

#include <BRepFill_Sweep.hxx>

Public Member Functions
	BRepFill_Sweep (const Handle< BRepFill_SectionLaw > &Section, const Handle< BRepFill_LocationLaw > &Location, const Standard_Boolean WithKPart)

void	SetBounds (const TopoDS_Wire &FirstShape, const TopoDS_Wire &LastShape)

void	SetTolerance (const Standard_Real Tol3d, const Standard_Real BoundTol=1.0, const Standard_Real Tol2d=1.0e-5, const Standard_Real TolAngular=1.0e-2)
	Set Approximation Tolerance Tol3d : Tolerance to surface approximation Tol2d : Tolerance used to perform curve approximation Normally the 2d curve are approximated with a tolerance given by the resolution on support surfaces, but if this tolerance is too large Tol2d is used. TolAngular : Tolerance (in radian) to control the angle between tangents on the section law and tangent of iso-v on approximated surface.

void	SetAngularControl (const Standard_Real AngleMin=0.01, const Standard_Real AngleMax=6.0)
	Tolerance To controle Corner management.

void	SetForceApproxC1 (const Standard_Boolean ForceApproxC1)
	Set the flag that indicates attempt to approximate a C1-continuous surface if a swept surface proved to be C0.

void	Build (TopTools_MapOfShape &ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape &Tapes, BRepFill_DataMapOfShapeHArray2OfShape &Rails, const BRepFill_TransitionStyle Transition=BRepFill_Modified, const GeomAbs_Shape Continuity=GeomAbs_C2, const GeomFill_ApproxStyle Approx=GeomFill_Location, const Standard_Integer Degmax=11, const Standard_Integer Segmax=30)
	Build the Sweep Surface Transition define Transition strategy Approx define Approximation Strategy.

Standard_Boolean	IsDone () const
	Say if the Shape is Build.

TopoDS_Shape	Shape () const
	returns the Sweeping Shape

Standard_Real	ErrorOnSurface () const
	Get the Approximation error.

Handle< TopTools_HArray2OfShape >	SubShape () const

Handle< TopTools_HArray2OfShape >	InterFaces () const

Handle< TopTools_HArray2OfShape >	Sections () const

TopoDS_Shape	Tape (const Standard_Integer Index) const
	returns the Tape corresponding to Index-th edge of section

Protected Member Functions
Standard_Boolean	CorrectApproxParameters ()

Standard_Boolean	BuildWire (const BRepFill_TransitionStyle Transition)

Standard_Boolean	BuildShell (const BRepFill_TransitionStyle Transition, const Standard_Integer Vf, const Standard_Integer Vl, TopTools_MapOfShape &ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape &Tapes, BRepFill_DataMapOfShapeHArray2OfShape &Rails, const Standard_Real ExtendFirst=0.0, const Standard_Real ExtendLast=0.0)

Standard_Boolean	PerformCorner (const Standard_Integer Index, const BRepFill_TransitionStyle Transition, const Handle< TopTools_HArray2OfShape > &Bounds)

Standard_Real	EvalExtrapol (const Standard_Integer Index, const BRepFill_TransitionStyle Transition) const

Standard_Boolean	MergeVertex (const TopoDS_Shape &V1, TopoDS_Shape &V2) const

void	UpdateVertex (const Standard_Integer Ipath, const Standard_Integer Isec, const Standard_Real Error, const Standard_Real Param, TopoDS_Shape &V) const

void	RebuildTopOrBottomEdge (const TopoDS_Edge &aNewEdge, TopoDS_Edge &anEdge, TopTools_MapOfShape &ReversedEdges) const

Detailed Description

Topological Sweep Algorithm Computes an Sweep shell using a generating wire, an SectionLaw and an LocationLaw.

Constructor & Destructor Documentation

◆ BRepFill_Sweep()

BRepFill_Sweep::BRepFill_Sweep	(	const Handle< BRepFill_SectionLaw > &	Section,
		const Handle< BRepFill_LocationLaw > &	Location,
		const Standard_Boolean	WithKPart )

Member Function Documentation

◆ Build()

void BRepFill_Sweep::Build	(	TopTools_MapOfShape &	ReversedEdges,
		BRepFill_DataMapOfShapeHArray2OfShape &	Tapes,
		BRepFill_DataMapOfShapeHArray2OfShape &	Rails,
		const BRepFill_TransitionStyle	Transition = BRepFill_Modified,
		const GeomAbs_Shape	Continuity = GeomAbs_C2,
		const GeomFill_ApproxStyle	Approx = GeomFill_Location,
		const Standard_Integer	Degmax = 11,
		const Standard_Integer	Segmax = 30 )

Build the Sweep Surface Transition define Transition strategy Approx define Approximation Strategy.

GeomFill_Section : The composed Function Location X Section is directly approximated.
GeomFill_Location : The location law is approximated, and the SweepSurface builds an algebraic composition of approximated location law and section law This option is Ok, if Section.Surface() methode is effective. Continuity : The continuity in v waiting on the surface Degmax : The maximum degree in v required on the surface Segmax : The maximum number of span in v required on the surface.

◆ BuildShell()

Standard_Boolean BRepFill_Sweep::BuildShell	(	const BRepFill_TransitionStyle	Transition,
		const Standard_Integer	Vf,
		const Standard_Integer	Vl,
		TopTools_MapOfShape &	ReversedEdges,
		BRepFill_DataMapOfShapeHArray2OfShape &	Tapes,
		BRepFill_DataMapOfShapeHArray2OfShape &	Rails,
		const Standard_Real	ExtendFirst = 0.0,
		const Standard_Real	ExtendLast = 0.0 )

protected

◆ BuildWire()

Standard_Boolean BRepFill_Sweep::BuildWire ( const BRepFill_TransitionStyle Transition )

protected

◆ CorrectApproxParameters()

Standard_Boolean BRepFill_Sweep::CorrectApproxParameters ( )

protected

◆ ErrorOnSurface()

Standard_Real BRepFill_Sweep::ErrorOnSurface ( ) const

Get the Approximation error.

◆ EvalExtrapol()

Standard_Real BRepFill_Sweep::EvalExtrapol	(	const Standard_Integer	Index,
		const BRepFill_TransitionStyle	Transition ) const

protected

◆ InterFaces()

Handle< TopTools_HArray2OfShape > BRepFill_Sweep::InterFaces ( ) const

◆ IsDone()

Standard_Boolean BRepFill_Sweep::IsDone ( ) const

Say if the Shape is Build.

◆ MergeVertex()

Standard_Boolean BRepFill_Sweep::MergeVertex	(	const TopoDS_Shape &	V1,
		TopoDS_Shape &	V2 ) const

protected

◆ PerformCorner()

Standard_Boolean BRepFill_Sweep::PerformCorner	(	const Standard_Integer	Index,
		const BRepFill_TransitionStyle	Transition,
		const Handle< TopTools_HArray2OfShape > &	Bounds )

protected

◆ RebuildTopOrBottomEdge()

void BRepFill_Sweep::RebuildTopOrBottomEdge	(	const TopoDS_Edge &	aNewEdge,
		TopoDS_Edge &	anEdge,
		TopTools_MapOfShape &	ReversedEdges ) const

protected

◆ Sections()

Handle< TopTools_HArray2OfShape > BRepFill_Sweep::Sections ( ) const

◆ SetAngularControl()

void BRepFill_Sweep::SetAngularControl	(	const Standard_Real	AngleMin = 0.01,
		const Standard_Real	AngleMax = 6.0 )

Tolerance To controle Corner management.

If the discontinuity is lesser than <AngleMin> in radian The Transition Performed will be always "Modified"

◆ SetBounds()

void BRepFill_Sweep::SetBounds	(	const TopoDS_Wire &	FirstShape,
		const TopoDS_Wire &	LastShape )

◆ SetForceApproxC1()

void BRepFill_Sweep::SetForceApproxC1 ( const Standard_Boolean ForceApproxC1 )

Set the flag that indicates attempt to approximate a C1-continuous surface if a swept surface proved to be C0.

◆ SetTolerance()

void BRepFill_Sweep::SetTolerance	(	const Standard_Real	Tol3d,
		const Standard_Real	BoundTol = 1.0,
		const Standard_Real	Tol2d = 1.0e-5,
		const Standard_Real	TolAngular = 1.0e-2 )

Set Approximation Tolerance Tol3d : Tolerance to surface approximation Tol2d : Tolerance used to perform curve approximation Normally the 2d curve are approximated with a tolerance given by the resolution on support surfaces, but if this tolerance is too large Tol2d is used. TolAngular : Tolerance (in radian) to control the angle between tangents on the section law and tangent of iso-v on approximated surface.

◆ Shape()

TopoDS_Shape BRepFill_Sweep::Shape ( ) const

returns the Sweeping Shape

◆ SubShape()

Handle< TopTools_HArray2OfShape > BRepFill_Sweep::SubShape ( ) const

◆ Tape()

TopoDS_Shape BRepFill_Sweep::Tape ( const Standard_Integer Index ) const

returns the Tape corresponding to Index-th edge of section

◆ UpdateVertex()

void BRepFill_Sweep::UpdateVertex	(	const Standard_Integer	Ipath,
		const Standard_Integer	Isec,
		const Standard_Real	Error,
		const Standard_Real	Param,
		TopoDS_Shape &	V ) const

protected

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

BRepFill_Sweep.hxx

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ BRepFill_Sweep()

Member Function Documentation

◆ Build()

◆ BuildShell()

◆ BuildWire()

◆ CorrectApproxParameters()

◆ ErrorOnSurface()

◆ EvalExtrapol()

◆ InterFaces()

◆ IsDone()

◆ MergeVertex()

◆ PerformCorner()

◆ RebuildTopOrBottomEdge()

◆ Sections()

◆ SetAngularControl()

◆ SetBounds()

◆ SetForceApproxC1()

◆ SetTolerance()

◆ Shape()

◆ SubShape()

◆ Tape()

◆ UpdateVertex()