#include <ProjLib_CompProjectedCurve.hxx>

Inheritance diagram for ProjLib_CompProjectedCurve:

Public Member Functions
	ProjLib_CompProjectedCurve ()

	ProjLib_CompProjectedCurve (const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real TolU, const Standard_Real TolV)
	try to find all solutions

	ProjLib_CompProjectedCurve (const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real TolU, const Standard_Real TolV, const Standard_Real MaxDist)
	this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm works as above.

	ProjLib_CompProjectedCurve (const Standard_Real Tol3d, const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real MaxDist=-1.0)
	this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm try to find all solutions Tolerances of parameters are calculated automatically.

virtual Handle< Adaptor2d_Curve2d >	ShallowCopy () const override
	Shallow copy of adaptor.

void	Init ()
	computes a set of projected point and determine the continuous parts of the projected curves. The points corresponding to a projection on the bounds of the surface are included in this set of points.

void	Perform ()
	Performs projecting for given curve. If projecting uses approximation, approximation parameters can be set before by corresponding methods SetTol3d(...), SeContinuity(...), SetMaxDegree(...), SetMaxSeg(...)

void	SetTol3d (const Standard_Real theTol3d)
	Set the parameter, which defines 3d tolerance of approximation.

void	SetContinuity (const GeomAbs_Shape theContinuity)
	Set the parameter, which defines curve continuity. Default value is GeomAbs_C2;.

void	SetMaxDegree (const Standard_Integer theMaxDegree)
	Set max possible degree of result BSpline curve2d, which is got by approximation. If MaxDegree < 0, algorithm uses values that are chosen depending of types curve 3d and surface.

void	SetMaxSeg (const Standard_Integer theMaxSeg)
	Set the parameter, which defines maximal value of parametric intervals the projected curve can be cut for approximation. If MaxSeg < 0, algorithm uses default value = 16.

void	SetProj2d (const Standard_Boolean theProj2d)
	Set the parameter, which defines necessity of 2d results.

void	SetProj3d (const Standard_Boolean theProj3d)
	Set the parameter, which defines necessity of 3d results.

void	Load (const Handle< Adaptor3d_Surface > &S)
	Changes the surface.

void	Load (const Handle< Adaptor3d_Curve > &C)
	Changes the curve.

const Handle< Adaptor3d_Surface > &	GetSurface () const

const Handle< Adaptor3d_Curve > &	GetCurve () const

void	GetTolerance (Standard_Real &TolU, Standard_Real &TolV) const

Standard_Integer	NbCurves () const
	returns the number of continuous part of the projected curve

void	Bounds (const Standard_Integer Index, Standard_Real &Udeb, Standard_Real &Ufin) const
	returns the bounds of the continuous part corresponding to Index

Standard_Boolean	IsSinglePnt (const Standard_Integer Index, gp_Pnt2d &P) const
	returns True if part of projection with number Index is a single point and writes its coordinates in P

Standard_Boolean	IsUIso (const Standard_Integer Index, Standard_Real &U) const
	returns True if part of projection with number Index is an u-isoparametric curve of input surface

Standard_Boolean	IsVIso (const Standard_Integer Index, Standard_Real &V) const
	returns True if part of projection with number Index is an v-isoparametric curve of input surface

gp_Pnt2d	Value (const Standard_Real U) const override
	Computes the point of parameter U on the curve.

void	D0 (const Standard_Real U, gp_Pnt2d &P) const override
	Computes the point of parameter U on the curve.

void	D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &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_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &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.

gp_Vec2d	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 N < 1. Raised if N > 2.

Standard_Real	FirstParameter () const override
	Returns the first parameter of the curve C which has a projection on S.

Standard_Real	LastParameter () const override
	Returns the last parameter of the curve C which has a projection on S.

GeomAbs_Shape	Continuity () const override
	Returns the Continuity used in the approximation.

Standard_Integer	NbIntervals (const GeomAbs_Shape S) const override
	Returns the number of intervals which define an S continuous part of the projected curve.

Handle< Adaptor2d_Curve2d >	Trim (const Standard_Real FirstParam, const Standard_Real LastParam, const Standard_Real Tol) const override
	Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 2d points confusion. If <First> >= <Last>

void	Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const override
	Returns the parameters corresponding to S discontinuities.

Standard_Real	MaxDistance (const Standard_Integer Index) const
	returns the maximum distance between curve to project and surface

const Handle< ProjLib_HSequenceOfHSequenceOfPnt > &	GetSequence () const

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

Standard_Boolean	ResultIsPoint (const Standard_Integer theIndex) const
	Returns true if result of projecting of the curve interval with number Index is point.

Standard_Real	GetResult2dUApproxError (const Standard_Integer theIndex) const
	Returns the error of approximation of U parameter 2d-curve as a result projecting of the curve interval with number Index.

Standard_Real	GetResult2dVApproxError (const Standard_Integer theIndex) const
	Returns the error of approximation of V parameter 2d-curve as a result projecting of the curve interval with number Index.

Standard_Real	GetResult3dApproxError (const Standard_Integer theIndex) const
	Returns the error of approximation of 3d-curve as a result projecting of the curve interval with number Index.

Handle< Geom2d_Curve >	GetResult2dC (const Standard_Integer theIndex) const
	Returns the resulting 2d-curve of projecting of the curve interval with number Index.

Handle< Geom_Curve >	GetResult3dC (const Standard_Integer theIndex) const
	Returns the resulting 3d-curve of projecting of the curve interval with number Index.

gp_Pnt2d	GetResult2dP (const Standard_Integer theIndex) const
	Returns the resulting 2d-point of projecting of the curve interval with number Index.

gp_Pnt	GetResult3dP (const Standard_Integer theIndex) const
	Returns the resulting 3d-point of projecting of the curve interval with number Index.

Standard_Boolean	GetProj2d () const
	Returns the parameter, which defines necessity of only 2d results.

Standard_Boolean	GetProj3d () const
	Returns the parameter, which defines necessity of only 3d results.

Public Member Functions inherited from Adaptor2d_Curve2d
virtual Standard_Boolean	IsClosed () const

virtual Standard_Boolean	IsPeriodic () const

virtual Standard_Real	Period () const

virtual void	D3 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2, gp_Vec2d &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.

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

virtual gp_Lin2d	Line () const

virtual gp_Circ2d	Circle () const

virtual gp_Elips2d	Ellipse () const

virtual gp_Hypr2d	Hyperbola () const

virtual gp_Parab2d	Parabola () const

virtual Standard_Integer	Degree () const

virtual Standard_Boolean	IsRational () const

virtual Standard_Integer	NbPoles () const

virtual Standard_Integer	NbKnots () const

virtual Standard_Integer	NbSamples () const

virtual Handle< Geom2d_BezierCurve >	Bezier () const

virtual Handle< Geom2d_BSplineCurve >	BSpline () const

virtual	~Adaptor2d_Curve2d ()

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.

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.

Constructor & Destructor Documentation

◆ ProjLib_CompProjectedCurve() [1/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve ( )

◆ ProjLib_CompProjectedCurve() [2/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve	(	const Handle< Adaptor3d_Surface > &	S,
		const Handle< Adaptor3d_Curve > &	C,
		const Standard_Real	TolU,
		const Standard_Real	TolV
	)

try to find all solutions

◆ ProjLib_CompProjectedCurve() [3/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve	(	const Handle< Adaptor3d_Surface > &	S,
		const Handle< Adaptor3d_Curve > &	C,
		const Standard_Real	TolU,
		const Standard_Real	TolV,
		const Standard_Real	MaxDist
	)

this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm works as above.

◆ ProjLib_CompProjectedCurve() [4/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve	(	const Standard_Real	Tol3d,
		const Handle< Adaptor3d_Surface > &	S,
		const Handle< Adaptor3d_Curve > &	C,
		const Standard_Real	MaxDist = `-1.0`
	)

this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm try to find all solutions Tolerances of parameters are calculated automatically.

Member Function Documentation

◆ Bounds()

void ProjLib_CompProjectedCurve::Bounds	(	const Standard_Integer	Index,
		Standard_Real &	Udeb,
		Standard_Real &	Ufin
	)		const

returns the bounds of the continuous part corresponding to Index

◆ Continuity()

GeomAbs_Shape ProjLib_CompProjectedCurve::Continuity ( ) const

overridevirtual

Returns the Continuity used in the approximation.

Reimplemented from Adaptor2d_Curve2d.

◆ D0()

void ProjLib_CompProjectedCurve::D0	(	const Standard_Real	U,
		gp_Pnt2d &	P
	)		const

overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor2d_Curve2d.

◆ D1()

void ProjLib_CompProjectedCurve::D1	(	const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	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 Adaptor2d_Curve2d.

◆ D2()

void ProjLib_CompProjectedCurve::D2	(	const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	V1,
		gp_Vec2d &	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 Adaptor2d_Curve2d.

◆ DN()

gp_Vec2d ProjLib_CompProjectedCurve::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 N < 1. Raised if N > 2.

Reimplemented from Adaptor2d_Curve2d.

◆ FirstParameter()

Standard_Real ProjLib_CompProjectedCurve::FirstParameter ( ) const

overridevirtual

Returns the first parameter of the curve C which has a projection on S.

Reimplemented from Adaptor2d_Curve2d.

◆ GetCurve()

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

◆ GetProj2d()

Standard_Boolean ProjLib_CompProjectedCurve::GetProj2d ( ) const

inline

Returns the parameter, which defines necessity of only 2d results.

◆ GetProj3d()

Standard_Boolean ProjLib_CompProjectedCurve::GetProj3d ( ) const

inline

Returns the parameter, which defines necessity of only 3d results.

◆ GetResult2dC()

Handle< Geom2d_Curve > ProjLib_CompProjectedCurve::GetResult2dC ( const Standard_Integer theIndex ) const

Returns the resulting 2d-curve of projecting of the curve interval with number Index.

◆ GetResult2dP()

gp_Pnt2d ProjLib_CompProjectedCurve::GetResult2dP ( const Standard_Integer theIndex ) const

Returns the resulting 2d-point of projecting of the curve interval with number Index.

◆ GetResult2dUApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult2dUApproxError ( const Standard_Integer theIndex ) const

Returns the error of approximation of U parameter 2d-curve as a result projecting of the curve interval with number Index.

◆ GetResult2dVApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult2dVApproxError ( const Standard_Integer theIndex ) const

Returns the error of approximation of V parameter 2d-curve as a result projecting of the curve interval with number Index.

◆ GetResult3dApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult3dApproxError ( const Standard_Integer theIndex ) const

Returns the error of approximation of 3d-curve as a result projecting of the curve interval with number Index.

◆ GetResult3dC()

Handle< Geom_Curve > ProjLib_CompProjectedCurve::GetResult3dC ( const Standard_Integer theIndex ) const

Returns the resulting 3d-curve of projecting of the curve interval with number Index.

◆ GetResult3dP()

gp_Pnt ProjLib_CompProjectedCurve::GetResult3dP ( const Standard_Integer theIndex ) const

Returns the resulting 3d-point of projecting of the curve interval with number Index.

◆ GetSequence()

const Handle< ProjLib_HSequenceOfHSequenceOfPnt > & ProjLib_CompProjectedCurve::GetSequence ( ) const

◆ GetSurface()

const Handle< Adaptor3d_Surface > & ProjLib_CompProjectedCurve::GetSurface ( ) const

◆ GetTolerance()

void ProjLib_CompProjectedCurve::GetTolerance	(	Standard_Real &	TolU,
		Standard_Real &	TolV
	)		const

◆ GetType()

GeomAbs_CurveType ProjLib_CompProjectedCurve::GetType ( ) const

overridevirtual

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

Reimplemented from Adaptor2d_Curve2d.

◆ Init()

void ProjLib_CompProjectedCurve::Init ( )

computes a set of projected point and determine the continuous parts of the projected curves. The points corresponding to a projection on the bounds of the surface are included in this set of points.

◆ Intervals()

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

overridevirtual

Returns the parameters corresponding to S discontinuities.

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

Reimplemented from Adaptor2d_Curve2d.

◆ IsSinglePnt()

Standard_Boolean ProjLib_CompProjectedCurve::IsSinglePnt	(	const Standard_Integer	Index,
		gp_Pnt2d &	P
	)		const

returns True if part of projection with number Index is a single point and writes its coordinates in P

◆ IsUIso()

Standard_Boolean ProjLib_CompProjectedCurve::IsUIso	(	const Standard_Integer	Index,
		Standard_Real &	U
	)		const

returns True if part of projection with number Index is an u-isoparametric curve of input surface

◆ IsVIso()

Standard_Boolean ProjLib_CompProjectedCurve::IsVIso	(	const Standard_Integer	Index,
		Standard_Real &	V
	)		const

returns True if part of projection with number Index is an v-isoparametric curve of input surface

◆ LastParameter()

Standard_Real ProjLib_CompProjectedCurve::LastParameter ( ) const

overridevirtual

Returns the last parameter of the curve C which has a projection on S.

Reimplemented from Adaptor2d_Curve2d.

◆ Load() [1/2]

void ProjLib_CompProjectedCurve::Load ( const Handle< Adaptor3d_Curve > & C )

Changes the curve.

◆ Load() [2/2]

void ProjLib_CompProjectedCurve::Load ( const Handle< Adaptor3d_Surface > & S )

Changes the surface.

◆ MaxDistance()

Standard_Real ProjLib_CompProjectedCurve::MaxDistance ( const Standard_Integer Index ) const

returns the maximum distance between curve to project and surface

◆ NbCurves()

Standard_Integer ProjLib_CompProjectedCurve::NbCurves ( ) const

returns the number of continuous part of the projected curve

◆ NbIntervals()

Standard_Integer ProjLib_CompProjectedCurve::NbIntervals ( const GeomAbs_Shape S ) const

overridevirtual

Returns the number of intervals which define an S continuous part of the projected curve.

Reimplemented from Adaptor2d_Curve2d.

◆ Perform()

void ProjLib_CompProjectedCurve::Perform ( )

Performs projecting for given curve. If projecting uses approximation, approximation parameters can be set before by corresponding methods SetTol3d(...), SeContinuity(...), SetMaxDegree(...), SetMaxSeg(...)

◆ ResultIsPoint()

Standard_Boolean ProjLib_CompProjectedCurve::ResultIsPoint ( const Standard_Integer theIndex ) const

Returns true if result of projecting of the curve interval with number Index is point.

◆ SetContinuity()

void ProjLib_CompProjectedCurve::SetContinuity ( const GeomAbs_Shape theContinuity )

Set the parameter, which defines curve continuity. Default value is GeomAbs_C2;.

◆ SetMaxDegree()

void ProjLib_CompProjectedCurve::SetMaxDegree ( const Standard_Integer theMaxDegree )

Set max possible degree of result BSpline curve2d, which is got by approximation. If MaxDegree < 0, algorithm uses values that are chosen depending of types curve 3d and surface.

◆ SetMaxSeg()

void ProjLib_CompProjectedCurve::SetMaxSeg ( const Standard_Integer theMaxSeg )

Set the parameter, which defines maximal value of parametric intervals the projected curve can be cut for approximation. If MaxSeg < 0, algorithm uses default value = 16.

◆ SetProj2d()

void ProjLib_CompProjectedCurve::SetProj2d ( const Standard_Boolean theProj2d )

Set the parameter, which defines necessity of 2d results.

◆ SetProj3d()

void ProjLib_CompProjectedCurve::SetProj3d ( const Standard_Boolean theProj3d )

Set the parameter, which defines necessity of 3d results.

◆ SetTol3d()

void ProjLib_CompProjectedCurve::SetTol3d ( const Standard_Real theTol3d )

Set the parameter, which defines 3d tolerance of approximation.

◆ ShallowCopy()

virtual Handle< Adaptor2d_Curve2d > ProjLib_CompProjectedCurve::ShallowCopy ( ) const

overridevirtual

Shallow copy of adaptor.

Reimplemented from Adaptor2d_Curve2d.

◆ Trim()

Handle< Adaptor2d_Curve2d > ProjLib_CompProjectedCurve::Trim	(	const Standard_Real	FirstParam,
		const Standard_Real	LastParam,
		const Standard_Real	Tol
	)		const

overridevirtual

Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 2d points confusion. If <First> >= <Last>

Reimplemented from Adaptor2d_Curve2d.

◆ Value()

gp_Pnt2d ProjLib_CompProjectedCurve::Value ( const Standard_Real U ) const

overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor2d_Curve2d.

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

ProjLib_CompProjectedCurve.hxx

Public Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ ProjLib_CompProjectedCurve() [1/4]

◆ ProjLib_CompProjectedCurve() [2/4]

◆ ProjLib_CompProjectedCurve() [3/4]

◆ ProjLib_CompProjectedCurve() [4/4]

Member Function Documentation

◆ Bounds()

◆ Continuity()

◆ D0()

◆ D1()

◆ D2()

◆ DN()

◆ FirstParameter()

◆ GetCurve()

◆ GetProj2d()

◆ GetProj3d()

◆ GetResult2dC()

◆ GetResult2dP()

◆ GetResult2dUApproxError()

◆ GetResult2dVApproxError()

◆ GetResult3dApproxError()

◆ GetResult3dC()

◆ GetResult3dP()

◆ GetSequence()

◆ GetSurface()

◆ GetTolerance()

◆ GetType()

◆ Init()

◆ Intervals()

◆ IsSinglePnt()

◆ IsUIso()

◆ IsVIso()

◆ LastParameter()

◆ Load() [1/2]

◆ Load() [2/2]

◆ MaxDistance()

◆ NbCurves()

◆ NbIntervals()

◆ Perform()

◆ ResultIsPoint()

◆ SetContinuity()

◆ SetMaxDegree()

◆ SetMaxSeg()

◆ SetProj2d()

◆ SetProj3d()

◆ SetTol3d()

◆ ShallowCopy()

◆ Trim()

◆ Value()