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.

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

	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>.

virtual Handle< Adaptor3d_Curve >	ShallowCopy () const override
	Shallow copy of adaptor.

void	Load (const Handle< Adaptor3d_Curve > &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 means: proj(C(u)) = PC(u) for each u. Otherwise, the parametrization may change.`

const gp_Ax3 &	GetPlane () const

const gp_Dir &	GetDirection () const

const Handle< Adaptor3d_Curve > &	GetCurve () const

const Handle< GeomAdaptor_Curve > &	GetResult () const

Standard_Real	FirstParameter () const override

Standard_Real	LastParameter () const override

GeomAbs_Shape	Continuity () const override

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

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

Handle< Adaptor3d_Curve >	Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const override
	Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last>

Standard_Boolean	IsClosed () const override

Standard_Boolean	IsPeriodic () const override

Standard_Real	Period () const override

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

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

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

void	D2 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2) const override
	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.

void	D3 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2, gp_Vec &V3) const override
	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.

gp_Vec	DN (const Standard_Real U, const Standard_Integer N) const override
	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.

Standard_Real	Resolution (const Standard_Real R3d) const override
	Returns the parametric resolution corresponding to the real space resolution <R3d>.

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

gp_Lin	Line () const override

gp_Circ	Circle () const override

gp_Elips	Ellipse () const override

gp_Hypr	Hyperbola () const override

gp_Parab	Parabola () const override

Standard_Integer	Degree () const override

Standard_Boolean	IsRational () const override

Standard_Integer	NbPoles () const override

Standard_Integer	NbKnots () const override

Handle< Geom_BezierCurve >	Bezier () const override
	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.

Handle< Geom_BSplineCurve >	BSpline () const override
	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.

Public Member Functions inherited from Adaptor3d_Curve
virtual Handle< Geom_OffsetCurve >	OffsetCurve () const

virtual	~Adaptor3d_Curve ()

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName.

Standard_Boolean	IsKind (const opencascade::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.

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.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

Standard_Integer	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object.

Standard_Integer	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value.

virtual void	Delete () const
	Memory deallocator for transient classes.

Protected Member Functions
void	GetTrimmedResult (const Handle< Geom_Curve > &theProjCurve)

Standard_Boolean	BuildParabolaByApex (Handle< Geom_Curve > &theGeomParabolaPtr)

Standard_Boolean	BuildHyperbolaByApex (Handle< Geom_Curve > &theGeomParabolaPtr)

void	BuildByApprox (const Standard_Real theLimitParameter)

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

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() [1/3]

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( )

Empty constructor.

◆ ProjLib_ProjectOnPlane() [2/3]

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( const gp_Ax3 & Pl )

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

◆ ProjLib_ProjectOnPlane() [3/3]

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

◆ Bezier()

Handle< Geom_BezierCurve > ProjLib_ProjectOnPlane::Bezier ( ) const

overridevirtual

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.

◆ BSpline()

Handle< Geom_BSplineCurve > ProjLib_ProjectOnPlane::BSpline ( ) const

overridevirtual

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.

◆ BuildByApprox()

void ProjLib_ProjectOnPlane::BuildByApprox ( const Standard_Real theLimitParameter )

protected

◆ BuildHyperbolaByApex()

Standard_Boolean ProjLib_ProjectOnPlane::BuildHyperbolaByApex ( Handle< Geom_Curve > & theGeomParabolaPtr )

protected

◆ BuildParabolaByApex()

Standard_Boolean ProjLib_ProjectOnPlane::BuildParabolaByApex ( Handle< Geom_Curve > & theGeomParabolaPtr )

protected

◆ Circle()

gp_Circ ProjLib_ProjectOnPlane::Circle ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Continuity()

GeomAbs_Shape ProjLib_ProjectOnPlane::Continuity ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ D0()

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

overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.

◆ D1()

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

overridevirtual

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.

◆ D2()

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

overridevirtual

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.

◆ D3()

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

overridevirtual

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.

◆ Degree()

Standard_Integer ProjLib_ProjectOnPlane::Degree ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ DN()

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

overridevirtual

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.

◆ Ellipse()

gp_Elips ProjLib_ProjectOnPlane::Ellipse ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ FirstParameter()

Standard_Real ProjLib_ProjectOnPlane::FirstParameter ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ GetCurve()

const Handle< Adaptor3d_Curve > & ProjLib_ProjectOnPlane::GetCurve ( ) const

◆ GetDirection()

const gp_Dir & ProjLib_ProjectOnPlane::GetDirection ( ) const

◆ GetPlane()

const gp_Ax3 & ProjLib_ProjectOnPlane::GetPlane ( ) const

◆ GetResult()

const Handle< GeomAdaptor_Curve > & ProjLib_ProjectOnPlane::GetResult ( ) const

◆ GetTrimmedResult()

void ProjLib_ProjectOnPlane::GetTrimmedResult ( const Handle< Geom_Curve > & theProjCurve )

protected

◆ GetType()

GeomAbs_CurveType ProjLib_ProjectOnPlane::GetType ( ) const

overridevirtual

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

Reimplemented from Adaptor3d_Curve.

◆ Hyperbola()

gp_Hypr ProjLib_ProjectOnPlane::Hyperbola ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Intervals()

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

overridevirtual

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

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

Reimplemented from Adaptor3d_Curve.

◆ IsClosed()

Standard_Boolean ProjLib_ProjectOnPlane::IsClosed ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ IsPeriodic()

Standard_Boolean ProjLib_ProjectOnPlane::IsPeriodic ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ IsRational()

Standard_Boolean ProjLib_ProjectOnPlane::IsRational ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ LastParameter()

Standard_Real ProjLib_ProjectOnPlane::LastParameter ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Line()

gp_Lin ProjLib_ProjectOnPlane::Line ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Load()

void ProjLib_ProjectOnPlane::Load	(	const Handle< Adaptor3d_Curve > &	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 means: proj(C(u)) = PC(u) for each u. Otherwise, the parametrization may change.

◆ NbIntervals()

Standard_Integer ProjLib_ProjectOnPlane::NbIntervals ( const GeomAbs_Shape S ) const

overridevirtual

If necessary, breaks the curve in intervals of continuity ~~. And returns the number of intervals.~~

Reimplemented from Adaptor3d_Curve.

◆ NbKnots()

Standard_Integer ProjLib_ProjectOnPlane::NbKnots ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ NbPoles()

Standard_Integer ProjLib_ProjectOnPlane::NbPoles ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Parabola()

gp_Parab ProjLib_ProjectOnPlane::Parabola ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Period()

Standard_Real ProjLib_ProjectOnPlane::Period ( ) const

overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Resolution()

Standard_Real ProjLib_ProjectOnPlane::Resolution ( const Standard_Real R3d ) const

overridevirtual

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

Reimplemented from Adaptor3d_Curve.

◆ ShallowCopy()

virtual Handle< Adaptor3d_Curve > ProjLib_ProjectOnPlane::ShallowCopy ( ) const

overridevirtual

Shallow copy of adaptor.

Reimplemented from Adaptor3d_Curve.

◆ Trim()

Handle< Adaptor3d_Curve > ProjLib_ProjectOnPlane::Trim	(	const Standard_Real	First,
		const Standard_Real	Last,
		const Standard_Real	Tol
	)		const

overridevirtual

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.

◆ Value()

gp_Pnt ProjLib_ProjectOnPlane::Value ( const Standard_Real U ) const

overridevirtual

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

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ProjLib_ProjectOnPlane() [1/3]

◆ ProjLib_ProjectOnPlane() [2/3]

◆ ProjLib_ProjectOnPlane() [3/3]

Member Function Documentation

◆ Bezier()

◆ BSpline()

◆ BuildByApprox()

◆ BuildHyperbolaByApex()

◆ BuildParabolaByApex()

◆ Circle()

◆ Continuity()

◆ D0()

◆ D1()

◆ D2()

◆ D3()

◆ Degree()

◆ DN()

◆ Ellipse()

◆ FirstParameter()

◆ GetCurve()

◆ GetDirection()

◆ GetPlane()

◆ GetResult()

◆ GetTrimmedResult()

◆ GetType()

◆ Hyperbola()

◆ Intervals()

◆ IsClosed()

◆ IsPeriodic()

◆ IsRational()

◆ LastParameter()

◆ Line()

◆ Load()

◆ NbIntervals()

◆ NbKnots()

◆ NbPoles()

◆ Parabola()

◆ Period()

◆ Resolution()

◆ ShallowCopy()

◆ Trim()

◆ Value()