#include <opennurbs_curve.h>

Inheritance diagram for ON_Curve:

Public Member Functions
virtual ON_BOOL32	ChangeClosedCurveSeam (double t)
virtual bool	ChangeDimension (int desired_dimension)
ON_3dVector	CurvatureAt (double t) const
virtual int	Degree () const =0
ON_3dVector	DerivativeAt (double t) const
void	DestroyCurveTree ()
void	DestroyRuntimeCache (bool bDelete=true)
virtual ON_Interval	Domain () const =0
virtual ON_Curve *	DuplicateCurve () const
ON_BOOL32	Ev1Der (double t, ON_3dPoint &point, ON_3dVector &first_derivative, int side=0, int *hint=0) const
ON_BOOL32	Ev2Der (double t, ON_3dPoint &point, ON_3dVector &first_derivative, ON_3dVector &second_derivative, int side=0, int *hint=0) const
virtual ON_BOOL32	Evaluate (double t, int der_count, int v_stride, double v, int side=0, int hint=0) const =0
bool	EvaluatePoint (const class ON_ObjRef &objref, ON_3dPoint &P) const
ON_BOOL32	EvCurvature (double t, ON_3dPoint &point, ON_3dVector &tangent, ON_3dVector &kappa, int side=0, int *hint=0) const
ON_BOOL32	EvPoint (double t, ON_3dPoint &point, int side=0, int *hint=0) const
ON_BOOL32	EvTangent (double t, ON_3dPoint &point, ON_3dVector &tangent, int side=0, int *hint=0) const
virtual bool	Extend (const ON_Interval &domain)
bool	FirstSpanIsLinear (double min_length, double tolerance) const
bool	FirstSpanIsLinear (double min_length, double tolerance, ON_Line *span_line) const
ON_BOOL32	FrameAt (double t, ON_Plane &plane) const
virtual ON_BOOL32	GetCurveParameterFromNurbFormParameter (double nurbs_t, double *curve_t) const
ON_BOOL32	GetDomain (double t0, double t1) const
virtual bool	GetNextDiscontinuity (ON::continuity c, double t0, double t1, double t, int hint=NULL, int *dtype=NULL, double cos_angle_tolerance=ON_DEFAULT_ANGLE_TOLERANCE_COSINE, double curvature_tolerance=ON_SQRT_EPSILON) const
virtual int	GetNurbForm (ON_NurbsCurve &nurbs_curve, double tolerance=0.0, const ON_Interval *subdomain=NULL) const
virtual ON_BOOL32	GetNurbFormParameterFromCurveParameter (double curve_t, double *nurbs_t) const
virtual ON_BOOL32	GetParameterTolerance (double t, double tminus, double tplus) const
virtual ON_BOOL32	GetSpanVector (double *knots) const =0
virtual ON_BOOL32	GetSpanVectorIndex (double t, int side, int span_vector_index, ON_Interval span_domain) const
bool	GetTightBoundingBox (ON_BoundingBox &tight_bbox, int bGrowBox=false, const ON_Xform *xform=0) const
virtual int	HasNurbForm () const
virtual ON_BOOL32	IsArc (const ON_Plane plane=NULL, ON_Arc arc=NULL, double tolerance=ON_ZERO_TOLERANCE) const
bool	IsArcAt (double t, const ON_Plane plane=0, ON_Arc arc=0, double tolerance=ON_ZERO_TOLERANCE, double t0=0, double t1=0) const
bool	IsClosable (double tolerance, double min_abs_size=0.0, double min_rel_size=10.0) const
virtual ON_BOOL32	IsClosed () const
virtual bool	IsContinuous (ON::continuity c, double t, int *hint=NULL, double point_tolerance=ON_ZERO_TOLERANCE, double d1_tolerance=ON_ZERO_TOLERANCE, double d2_tolerance=ON_ZERO_TOLERANCE, double cos_angle_tolerance=ON_DEFAULT_ANGLE_TOLERANCE_COSINE, double curvature_tolerance=ON_SQRT_EPSILON) const
virtual bool	IsEllipse (const ON_Plane plane=NULL, ON_Ellipse ellipse=NULL, double tolerance=ON_ZERO_TOLERANCE) const
virtual ON_BOOL32	IsInPlane (const ON_Plane &test_plane, double tolerance=ON_ZERO_TOLERANCE) const =0
virtual ON_BOOL32	IsLinear (double tolerance=ON_ZERO_TOLERANCE) const
virtual ON_BOOL32	IsPeriodic () const
virtual ON_BOOL32	IsPlanar (ON_Plane *plane=NULL, double tolerance=ON_ZERO_TOLERANCE) const
virtual int	IsPolyline (ON_SimpleArray< ON_3dPoint > pline_points=NULL, ON_SimpleArray< double > pline_t=NULL) const
bool	LastSpanIsLinear (double min_length, double tolerance) const
bool	LastSpanIsLinear (double min_length, double tolerance, ON_Line *span_line) const
ON_NurbsCurve *	NurbsCurve (ON_NurbsCurve pNurbsCurve=NULL, double tolerance=0.0, const ON_Interval subdomain=NULL) const
ON::object_type	ObjectType () const
	ON_Curve ()
	ON_Curve (const ON_Curve &)
ON_Curve &	operator= (const ON_Curve &)
ON_3dPoint	PointAt (double t) const
ON_3dPoint	PointAtEnd () const
ON_3dPoint	PointAtStart () const
virtual ON_BOOL32	Reverse ()=0
bool	SetDomain (ON_Interval domain)
virtual ON_BOOL32	SetDomain (double t0, double t1)
virtual ON_BOOL32	SetEndPoint (ON_3dPoint end_point)
virtual ON_BOOL32	SetStartPoint (ON_3dPoint start_point)
unsigned int	SizeOf () const
virtual int	SpanCount () const =0
virtual ON_BOOL32	Split (double t, ON_Curve &left_side, ON_Curve &right_side) const
ON_3dVector	TangentAt (double t) const
virtual ON_BOOL32	Trim (const ON_Interval &domain)
virtual	~ON_Curve ()
Protected Member Functions
bool	ParameterSearch (double t, int &index, bool bEnableSnap, const ON_SimpleArray< double > &m_t, double RelTol=ON_SQRT_EPSILON) const
Private Member Functions
	ON_OBJECT_DECLARE (ON_Curve)

Detailed Description

Definition at line 88 of file opennurbs_curve.h.

Constructor & Destructor Documentation

ON_Curve::ON_Curve ( )

Definition at line 21 of file opennurbs_curve.cpp.

ON_Curve::ON_Curve ( const ON_Curve & src )

Definition at line 25 of file opennurbs_curve.cpp.

ON_Curve::~ON_Curve ( ) [virtual]

Definition at line 38 of file opennurbs_curve.cpp.

Member Function Documentation

ON_BOOL32 ON_Curve::ChangeClosedCurveSeam ( double t ) [virtual]

Reimplemented in ON_NurbsCurve, ON_PolyCurve, ON_PolylineCurve, ON_ArcCurve, and ON_PolyEdgeCurve.

Definition at line 161 of file opennurbs_curve.cpp.

bool ON_Curve::ChangeDimension ( int desired_dimension ) [virtual]

Reimplemented in ON_NurbsCurve, ON_ArcCurve, ON_PolyCurve, ON_PolylineCurve, and ON_LineCurve.

Definition at line 168 of file opennurbs_curve.cpp.

ON_3dVector ON_Curve::CurvatureAt ( double t ) const

Definition at line 934 of file opennurbs_curve.cpp.

virtual int ON_Curve::Degree ( ) const [pure virtual]

Implemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

ON_3dVector ON_Curve::DerivativeAt ( double t ) const

Definition at line 918 of file opennurbs_curve.cpp.

void ON_Curve::DestroyCurveTree ( )

Definition at line 87 of file opennurbs_curve.cpp.

void ON_Curve::DestroyRuntimeCache ( bool bDelete = true ) [virtual]

Reimplemented from ON_Object.

Reimplemented in ON_BrepTrim, ON_PolyEdgeSegment, ON_CurveProxy, ON_PolyCurve, and ON_PolyEdgeCurve.

Definition at line 1709 of file opennurbs_object.cpp.

virtual ON_Interval ON_Curve::Domain ( ) const [pure virtual]

Implemented in ON_NurbsCurve, ON_CurveProxy, ON_ArcCurve, ON_PolyCurve, ON_PolylineCurve, ON_LineCurve, and ON_CurveOnSurface.

ON_Curve * ON_Curve::DuplicateCurve ( ) const [virtual]

Reimplemented in ON_CurveProxy, ON_PolyCurve, ON_PolyEdgeSegment, and ON_PolyEdgeCurve.

Definition at line 62 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::Ev1Der	(	double	t,
		ON_3dPoint &	point,
		ON_3dVector &	first_derivative,
		int	side = `0`,
		int *	hint = `0`
	)		const

Definition at line 1244 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::Ev2Der	(	double	t,
		ON_3dPoint &	point,
		ON_3dVector &	first_derivative,
		ON_3dVector &	second_derivative,
		int	side = `0`,
		int *	hint = `0`
	)		const

Definition at line 1288 of file opennurbs_curve.cpp.

virtual ON_BOOL32 ON_Curve::Evaluate	(	double	t,
		int	der_count,
		int	v_stride,
		double *	v,
		int	side = `0`,
		int *	hint = `0`
	)		const `[pure virtual]`

Implemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_CurveProxy, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

bool ON_Curve::EvaluatePoint	(	const class ON_ObjRef &	objref,
		ON_3dPoint &	P
	)		const `[virtual]`

Reimplemented from ON_Geometry.

Reimplemented in ON_PolyCurve.

Definition at line 1122 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::EvCurvature	(	double	t,
		ON_3dPoint &	point,
		ON_3dVector &	tangent,
		ON_3dVector &	kappa,
		int	side = `0`,
		int *	hint = `0`
	)		const

Definition at line 1023 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::EvPoint	(	double	t,
		ON_3dPoint &	point,
		int	side = `0`,
		int *	hint = `0`
	)		const

Definition at line 1067 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::EvTangent	(	double	t,
		ON_3dPoint &	point,
		ON_3dVector &	tangent,
		int	side = `0`,
		int *	hint = `0`
	)		const

Definition at line 942 of file opennurbs_curve.cpp.

bool ON_Curve::Extend ( const ON_Interval & domain ) [virtual]

Reimplemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, and ON_LineCurve.

Definition at line 2050 of file opennurbs_curve.cpp.

bool ON_Curve::FirstSpanIsLinear	(	double	min_length,
		double	tolerance
	)		const

Definition at line 1830 of file opennurbs_curve.cpp.

bool ON_Curve::FirstSpanIsLinear	(	double	min_length,
		double	tolerance,
		ON_Line *	span_line
	)		const

Definition at line 1838 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::FrameAt	(	double	t,
		ON_Plane &	plane
	)		const

Definition at line 1041 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::GetCurveParameterFromNurbFormParameter	(	double	nurbs_t,
		double *	curve_t
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_CurveProxy, ON_ArcCurve, and ON_LineCurve.

Definition at line 2188 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::GetDomain	(	double *	t0,
		double *	t1
	)		const

Definition at line 75 of file opennurbs_curve.cpp.

bool ON_Curve::GetNextDiscontinuity	(	ON::continuity	c,
		double	t0,
		double	t1,
		double *	t,
		int *	hint = `NULL`,
		int *	dtype = `NULL`,
		double	cos_angle_tolerance = `ON_DEFAULT_ANGLE_TOLERANCE_COSINE`,
		double	curvature_tolerance = `ON_SQRT_EPSILON`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, and ON_PolyCurve.

Definition at line 570 of file opennurbs_curve.cpp.

int ON_Curve::GetNurbForm	(	ON_NurbsCurve &	nurbs_curve,
		double	tolerance = `0.0`,
		const ON_Interval *	subdomain = `NULL`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_CurveProxy, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

Definition at line 2154 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::GetNurbFormParameterFromCurveParameter	(	double	curve_t,
		double *	nurbs_t
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_CurveProxy, ON_LineCurve, and ON_ArcCurve.

Definition at line 2197 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::GetParameterTolerance	(	double	t,
		double *	tminus,
		double *	tplus
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, and ON_CurveOnSurface.

Definition at line 205 of file opennurbs_curve.cpp.

virtual ON_BOOL32 ON_Curve::GetSpanVector ( double * knots ) const [pure virtual]

Implemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

ON_BOOL32 ON_Curve::GetSpanVectorIndex	(	double	t,
		int	side,
		int *	span_vector_index,
		ON_Interval *	span_domain
	)		const `[virtual]`

Definition at line 175 of file opennurbs_curve.cpp.

bool ON_Curve::GetTightBoundingBox	(	ON_BoundingBox &	tight_bbox,
		int	bGrowBox = `false`,
		const ON_Xform *	xform = `0`
	)		const `[virtual]`

Reimplemented from ON_Geometry.

Reimplemented in ON_ArcCurve, ON_PolyCurve, ON_PolylineCurve, and ON_LineCurve.

Definition at line 92 of file opennurbs_curve.cpp.

int ON_Curve::HasNurbForm ( ) const [virtual]

Reimplemented in ON_NurbsCurve, ON_PolylineCurve, ON_PolyCurve, ON_CurveProxy, ON_ArcCurve, and ON_LineCurve.

Definition at line 2164 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::IsArc	(	const ON_Plane *	plane = `NULL`,
		ON_Arc *	arc = `NULL`,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

Definition at line 345 of file opennurbs_curve.cpp.

bool ON_Curve::IsArcAt	(	double	t,
		const ON_Plane *	plane = `0`,
		ON_Arc *	arc = `0`,
		double	tolerance = `ON_ZERO_TOLERANCE`,
		double *	t0 = `0`,
		double *	t1 = `0`
	)		const

Definition at line 292 of file opennurbs_curve.cpp.

bool ON_Curve::IsClosable	(	double	tolerance,
		double	min_abs_size = `0.0`,
		double	min_rel_size = `10.0`
	)		const

Definition at line 2364 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::IsClosed ( void ) const [virtual]

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_BrepEdge, ON_LineCurve, ON_PolyEdgeSegment, ON_CurveOnSurface, and ON_PolyEdgeCurve.

Definition at line 519 of file opennurbs_curve.cpp.

bool ON_Curve::IsContinuous	(	ON::continuity	c,
		double	t,
		int *	hint = `NULL`,
		double	point_tolerance = `ON_ZERO_TOLERANCE`,
		double	d1_tolerance = `ON_ZERO_TOLERANCE`,
		double	d2_tolerance = `ON_ZERO_TOLERANCE`,
		double	cos_angle_tolerance = `ON_DEFAULT_ANGLE_TOLERANCE_COSINE`,
		double	curvature_tolerance = `ON_SQRT_EPSILON`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, and ON_ArcCurve.

Definition at line 720 of file opennurbs_curve.cpp.

bool ON_Curve::IsEllipse	(	const ON_Plane *	plane = `NULL`,
		ON_Ellipse *	ellipse = `NULL`,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const `[virtual]`

Definition at line 274 of file opennurbs_curve.cpp.

virtual ON_BOOL32 ON_Curve::IsInPlane	(	const ON_Plane &	test_plane,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const `[pure virtual]`

Implemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

ON_BOOL32 ON_Curve::IsLinear ( double tolerance = ON_ZERO_TOLERANCE ) const [virtual]

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

Definition at line 228 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::IsPeriodic ( void ) const [virtual]

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

Definition at line 564 of file opennurbs_curve.cpp.

ON_BOOL32 ON_Curve::IsPlanar	(	ON_Plane *	plane = `NULL`,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, ON_ArcCurve, ON_LineCurve, and ON_CurveOnSurface.

Definition at line 428 of file opennurbs_curve.cpp.

int ON_Curve::IsPolyline	(	ON_SimpleArray< ON_3dPoint > *	pline_points = `NULL`,
		ON_SimpleArray< double > *	pline_t = `NULL`
	)		const `[virtual]`

Reimplemented in ON_NurbsCurve, ON_CurveProxy, ON_PolylineCurve, ON_PolyCurve, and ON_LineCurve.

Definition at line 218 of file opennurbs_curve.cpp.

bool ON_Curve::LastSpanIsLinear	(	double	min_length,
		double	tolerance
	)		const

Definition at line 1897 of file opennurbs_curve.cpp.

bool ON_Curve::LastSpanIsLinear	(	double	min_length,
		double	tolerance,
		ON_Line *	span_line
	)		const

Definition at line 1905 of file opennurbs_curve.cpp.

ON_NurbsCurve * ON_Curve::NurbsCurve	(	ON_NurbsCurve *	pNurbsCurve = `NULL`,
		double	tolerance = `0.0`,
		const ON_Interval *	subdomain = `NULL`
	)		const

Definition at line 2169 of file opennurbs_curve.cpp.

ON::object_type ON_Curve::ObjectType ( ) const [virtual]

Reimplemented from ON_Object.

Reimplemented in ON_BrepEdge.

Definition at line 69 of file opennurbs_curve.cpp.

ON_Curve::ON_OBJECT_DECLARE ( ON_Curve ) [private]

ON_Curve & ON_Curve::operator= ( const ON_Curve & src )

Definition at line 29 of file opennurbs_curve.cpp.

bool ON_Curve::ParameterSearch	(	double	t,
		int &	index,
		bool	bEnableSnap,
		const ON_SimpleArray< double > &	m_t,
		double	RelTol = `ON_SQRT_EPSILON`
	)		const `[protected]`