Class used to project a 3d curve on a plane. The result will be a 3d curve. More...

#include <ProjLib_ProjectOnPlane.hxx>

Inheritance diagram for ProjLib_ProjectOnPlane:

Public Member Functions
	ProjLib_ProjectOnPlane ()
	Empty constructor. More...

	ProjLib_ProjectOnPlane (const gp_Ax3 &Pl)
	The projection will be normal to the Plane defined by the Ax3 <Pl>. More...

	ProjLib_ProjectOnPlane (const gp_Ax3 &Pl, const gp_Dir &D)
	The projection will be along the direction <D> on the plane defined by the Ax3 <Pl>. raises if the direction <D> is parallel to the plane <Pl>. More...

void	Load (const Handle< Adaptor3d_HCurve > &C, const Standard_Real Tolerance, const Standard_Boolean KeepParametrization=Standard_True)
	Sets the Curve and perform the projection. if <KeepParametrization> is true, the parametrization of the Projected Curve <PC> will be the same as the parametrization of the initial curve `. It meens: proj(C(u)) = PC(u) for each u. Otherwize, the parametrization may change.` More...

const gp_Ax3 &	GetPlane () const

const gp_Dir &	GetDirection () const

const Handle< Adaptor3d_HCurve > &	GetCurve () const

Standard_Real	FirstParameter () const

Standard_Real	LastParameter () const

GeomAbs_Shape	Continuity () const

Standard_Integer	NbIntervals (const GeomAbs_Shape S) const
	If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals. More...

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

void	D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const
	Computes the point of parameter U on the curve 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 corresponding to the real space resolution <R3d>. 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
	Warning ! this will NOT make a copy of the Bezier Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last. More...

Handle< Geom_BSplineCurve >	BSpline () const
	Warning ! this will NOT make a copy of the BSpline Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last. More...

Public Member Functions inherited from Adaptor3d_Curve
virtual	~Adaptor3d_Curve ()

Detailed Description

Class used to project a 3d curve on a plane. The result will be a 3d curve.

You can ask the projected curve to have the same parametrization as the original curve.

The projection can be done along every direction not parallel to the plane.

Constructor & Destructor Documentation

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( )

Empty constructor.

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( const gp_Ax3 & Pl )

The projection will be normal to the Plane defined by the Ax3 <Pl>.

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane	(	const gp_Ax3 &	Pl,
		const gp_Dir &	D
	)

The projection will be along the direction <D> on the plane defined by the Ax3 <Pl>. raises if the direction <D> is parallel to the plane <Pl>.

Member Function Documentation

Handle< Geom_BezierCurve > ProjLib_ProjectOnPlane::Bezier ( ) const

virtual

Warning ! this will NOT make a copy of the Bezier Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last.

Reimplemented from Adaptor3d_Curve.

Handle< Geom_BSplineCurve > ProjLib_ProjectOnPlane::BSpline ( ) const

virtual

Warning ! this will NOT make a copy of the BSpline Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last.

Reimplemented from Adaptor3d_Curve.

gp_Circ ProjLib_ProjectOnPlane::Circle ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

GeomAbs_Shape ProjLib_ProjectOnPlane::Continuity ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

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

virtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.

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

virtual

Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1.

Reimplemented from Adaptor3d_Curve.

void ProjLib_ProjectOnPlane::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 ProjLib_ProjectOnPlane::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 ProjLib_ProjectOnPlane::Degree ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Vec ProjLib_ProjectOnPlane::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.

gp_Elips ProjLib_ProjectOnPlane::Ellipse ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::FirstParameter ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

const Handle< Adaptor3d_HCurve >& ProjLib_ProjectOnPlane::GetCurve ( ) const

const gp_Dir& ProjLib_ProjectOnPlane::GetDirection ( ) const

const gp_Ax3& ProjLib_ProjectOnPlane::GetPlane ( ) const

GeomAbs_CurveType ProjLib_ProjectOnPlane::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 ProjLib_ProjectOnPlane::Hyperbola ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

void ProjLib_ProjectOnPlane::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()

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsClosed ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsPeriodic ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsRational ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::LastParameter ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Lin ProjLib_ProjectOnPlane::Line ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

void ProjLib_ProjectOnPlane::Load	(	const Handle< Adaptor3d_HCurve > &	C,
		const Standard_Real	Tolerance,
		const Standard_Boolean	KeepParametrization = `Standard_True`
	)

Sets the Curve and perform the projection. if <KeepParametrization> is true, the parametrization of the Projected Curve <PC> will be the same as the parametrization of the initial curve . It meens: proj(C(u)) = PC(u) for each u. Otherwize, the parametrization may change.

Standard_Integer ProjLib_ProjectOnPlane::NbIntervals ( const GeomAbs_Shape S ) const

virtual

If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals.

Reimplemented from Adaptor3d_Curve.

Standard_Integer ProjLib_ProjectOnPlane::NbKnots ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Integer ProjLib_ProjectOnPlane::NbPoles ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

gp_Parab ProjLib_ProjectOnPlane::Parabola ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::Period ( ) const

virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::Resolution ( const Standard_Real R3d ) const

virtual

Returns the parametric resolution corresponding to the real space resolution <R3d>.

Reimplemented from Adaptor3d_Curve.

Handle< Adaptor3d_HCurve > ProjLib_ProjectOnPlane::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 ProjLib_ProjectOnPlane::Value ( const Standard_Real U ) const

virtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.

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

ProjLib_ProjectOnPlane.hxx

ProjLib_ProjectOnPlane Class Reference

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation