The Curve from BRepAdaptor allows to use a Wire
of the BRep topology like a 3D curve.
Warning: With this class of curve, C0 and C1 continuities
are not assumed. So be carful with some algorithm!
More...

#include <BRepAdaptor_CompCurve.hxx>

Inheritance diagram for BRepAdaptor_CompCurve:

[legend]

Public Member Functions
	BRepAdaptor_CompCurve ()
	Creates an undefined Curve with no Wire loaded. More...

	BRepAdaptor_CompCurve (const TopoDS_Wire &W, const Standard_Boolean KnotByCurvilinearAbcissa=Standard_False)

	BRepAdaptor_CompCurve (const TopoDS_Wire &W, const Standard_Boolean KnotByCurvilinearAbcissa, const Standard_Real First, const Standard_Real Last, const Standard_Real Tol)
	Creates a Curve to acces to the geometry of edge <br> <W>. <br> More...

void	Initialize (const TopoDS_Wire &W, const Standard_Boolean KnotByCurvilinearAbcissa)
	Sets the wire <W>. More...

void	Initialize (const TopoDS_Wire &W, const Standard_Boolean KnotByCurvilinearAbcissa, const Standard_Real First, const Standard_Real Last, const Standard_Real Tol)
	Sets wire <W> and trimmed parameter. More...

void	SetPeriodic (const Standard_Boolean Periodic)
	Set the flag Periodic. <br> Warning: This method has no effect if the wire is not closed More...

const TopoDS_Wire &	Wire () const
	Returns the wire. <br> More...

void	Edge (const Standard_Real U, TopoDS_Edge &E, Standard_Real &UonE) const
	returns an edge and one parameter on them corresponding to the parameter U. More...

Standard_Real	FirstParameter () const

Standard_Real	LastParameter () const

GeomAbs_Shape	Continuity () const

Standard_Integer	NbIntervals (const GeomAbs_Shape S)
	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)
	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...

Handle_Adaptor3d_HCurve	Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const
	Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. //! If <First> >= <Last> More...

Standard_Boolean	IsClosed () const

Standard_Boolean	IsPeriodic () const

Standard_Real	Period () const

gp_Pnt	Value (const Standard_Real U) const
	Computes the point of parameter U on the curve More...

void	D0 (const Standard_Real U, gp_Pnt &P) const
	Computes the point of parameter U. More...

void	D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const
	Computes the point of parameter U on the curve <br> with its first derivative. //! Raised if the continuity of the current interval is not C1. More...

void	D2 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2) const
	Returns the point P of parameter U, the first and second derivatives V1 and V2. //! Raised if the continuity of the current interval is not C2. More...

void	D3 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2, gp_Vec &V3) const
	Returns the point P of parameter U, the first, the second and the third derivative. //! Raised if the continuity of the current interval is not C3. More...

gp_Vec	DN (const Standard_Real U, const Standard_Integer N) const
	The returned vector gives the value of the derivative for the order of derivation N. //! Raised if the continuity of the current interval is not CN. //! Raised if N < 1. More...

Standard_Real	Resolution (const Standard_Real R3d) const
	returns the parametric resolution More...

GeomAbs_CurveType	GetType () const
	Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More...

gp_Lin	Line () const

gp_Circ	Circle () const

gp_Elips	Ellipse () const

gp_Hypr	Hyperbola () const

gp_Parab	Parabola () const

Standard_Integer	Degree () const

Standard_Boolean	IsRational () const

Standard_Integer	NbPoles () const

Standard_Integer	NbKnots () const

Handle_Geom_BezierCurve	Bezier () const

Handle_Geom_BSplineCurve	BSpline () const

Public Member Functions inherited from Adaptor3d_Curve
virtual void	Delete ()

virtual	~Adaptor3d_Curve ()

Detailed Description

The Curve from BRepAdaptor allows to use a Wire
of the BRep topology like a 3D curve.
Warning: With this class of curve, C0 and C1 continuities
are not assumed. So be carful with some algorithm!

Constructor & Destructor Documentation

BRepAdaptor_CompCurve::BRepAdaptor_CompCurve ( )

Creates an undefined Curve with no Wire loaded.

BRepAdaptor_CompCurve::BRepAdaptor_CompCurve	(	const TopoDS_Wire &	W,
		const Standard_Boolean	KnotByCurvilinearAbcissa = `Standard_False`
	)

BRepAdaptor_CompCurve::BRepAdaptor_CompCurve	(	const TopoDS_Wire &	W,
		const Standard_Boolean	KnotByCurvilinearAbcissa,
		const Standard_Real	First,
		const Standard_Real	Last,
		const Standard_Real	Tol
	)

 Creates a Curve  to  acces to the geometry of edge <br>
     <W>. <br>

Member Function Documentation

Handle_Geom_BezierCurve BRepAdaptor_CompCurve::Bezier ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Handle_Geom_BSplineCurve BRepAdaptor_CompCurve::BSpline ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Circ BRepAdaptor_CompCurve::Circle ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

GeomAbs_Shape BRepAdaptor_CompCurve::Continuity ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::D0	(	const Standard_Real	U,
		gp_Pnt &	P
	)		const

virtual

Computes the point of parameter U.

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::D1	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V
	)		const

virtual

Computes the point of parameter U on the curve <br>

with its first derivative.
//! Raised if the continuity of the current interval
is not C1.

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::D2	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V1,
		gp_Vec &	V2
	)		const

virtual

Returns the point P of parameter U, the first and second
derivatives V1 and V2.
//! Raised if the continuity of the current interval
is not C2.

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::D3	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V1,
		gp_Vec &	V2,
		gp_Vec &	V3
	)		const

virtual

Returns the point P of parameter U, the first, the second
and the third derivative.
//! Raised if the continuity of the current interval
is not C3.

Reimplemented from Adaptor3d_Curve.

Standard_Integer BRepAdaptor_CompCurve::Degree ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Vec BRepAdaptor_CompCurve::DN	(	const Standard_Real	U,
		const Standard_Integer	N
	)		const

virtual

The returned vector gives the value of the derivative for the
order of derivation N.
//! Raised if the continuity of the current interval
is not CN.
//! Raised if N < 1.

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::Edge	(	const Standard_Real	U,
		TopoDS_Edge &	E,
		Standard_Real &	UonE
	)		const

returns an edge and one parameter on them
corresponding to the parameter U.

gp_Elips BRepAdaptor_CompCurve::Ellipse ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real BRepAdaptor_CompCurve::FirstParameter ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

GeomAbs_CurveType BRepAdaptor_CompCurve::GetType ( ) const

virtual

Returns the type of the curve in the current
interval : Line, Circle, Ellipse, Hyperbola,
Parabola, BezierCurve, BSplineCurve, OtherCurve.

Reimplemented from Adaptor3d_Curve.

gp_Hypr BRepAdaptor_CompCurve::Hyperbola ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::Initialize	(	const TopoDS_Wire &	W,
		const Standard_Boolean	KnotByCurvilinearAbcissa
	)

Sets the wire <W>.

void BRepAdaptor_CompCurve::Initialize	(	const TopoDS_Wire &	W,
		const Standard_Boolean	KnotByCurvilinearAbcissa,
		const Standard_Real	First,
		const Standard_Real	Last,
		const Standard_Real	Tol
	)

Sets wire <W> and trimmed parameter.

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

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()

Reimplemented from Adaptor3d_Curve.

Standard_Boolean BRepAdaptor_CompCurve::IsClosed ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean BRepAdaptor_CompCurve::IsPeriodic ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean BRepAdaptor_CompCurve::IsRational ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real BRepAdaptor_CompCurve::LastParameter ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Lin BRepAdaptor_CompCurve::Line ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Integer BRepAdaptor_CompCurve::NbIntervals ( const GeomAbs_Shape S )

virtual

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

Reimplemented from Adaptor3d_Curve.

Standard_Integer BRepAdaptor_CompCurve::NbKnots ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Integer BRepAdaptor_CompCurve::NbPoles ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Parab BRepAdaptor_CompCurve::Parabola ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real BRepAdaptor_CompCurve::Period ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real BRepAdaptor_CompCurve::Resolution ( const Standard_Real R3d ) const

virtual

returns the parametric resolution

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_CompCurve::SetPeriodic ( const Standard_Boolean Periodic )

Set the flag Periodic. <br>

Warning: This method has no effect if the wire is not closed

Handle_Adaptor3d_HCurve BRepAdaptor_CompCurve::Trim	(	const Standard_Real	First,
		const Standard_Real	Last,
		const Standard_Real	Tol
	)		const

virtual

Returns a curve equivalent of <me> between
parameters <First> and <Last>. <Tol> is used to
test for 3d points confusion.
//! If <First> >= <Last>

Reimplemented from Adaptor3d_Curve.

gp_Pnt BRepAdaptor_CompCurve::Value ( const Standard_Real U ) const

virtual

Computes the point of parameter U on the curve

Reimplemented from Adaptor3d_Curve.

const TopoDS_Wire& BRepAdaptor_CompCurve::Wire ( ) const

 Returns the wire. <br>

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

BRepAdaptor_CompCurve.hxx

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation