Non-owning reference to a 2D geometric curve stored in a graph. More...

#include <curves2d.hpp>

Classes
struct	BSplineView
	Aggregate inspection view of a 2D B-spline curve (§10.5). More...

struct	OffsetView

struct	TrimmedView

Public Member Functions
	Curve2d (occtl_graph_t *theGraph=nullptr, occtl_rep_id_t theId=occtl_rep_id_t{0}) noexcept
	Constructs a null reference (no graph, invalid id).

	operator bool () const noexcept
	Returns true when the reference points into a valid graph.

occtl_graph_t *	graph () const noexcept
	Borrows it — returns the graph pointer.

occtl_rep_id_t	id () const noexcept
	Returns the representation id.

Curve2d	reversed () const
	Returns a reversed copy of this curve stored in the same graph.

Curve2d	transformed (double theTranslateX, double theTranslateY, double theRotateAngle, double theScaleX, double theScaleY) const
	Returns a transformed copy of this curve stored in the same graph.

Curve2d	translated (const Vector2 &theDelta) const
	Returns a translated copy of this curve stored in the same graph.

Curve2d	rotated (double theAngle) const
	Returns a rotated copy of this curve stored in the same graph.

Curve2d	scaled (const Point2 &theOrigin, double theFactor) const
	Returns a scaled copy of this curve stored in the same graph.

double	length () const
	Returns the curve length over its full parameter range.

std::pair< double, double >	project_point (const Point2 &thePoint) const
	Projects a 2D point onto the curve.

double	parameter_of_point (const Point2 &thePoint) const
	Returns the parameter on the 2D curve nearest to a given point.

occtl_curve_kind_t	kind () const
	Returns the kind of geometry.

int32_t	is_periodic () const
	Returns 1 when the curve is periodic, 0 otherwise.

int32_t	is_closed () const
	Returns 1 when the curve is closed, 0 otherwise.

occtl_geom_continuity_t	continuity () const
	Returns the geometric continuity class.

void	parameter_range (double &theUMin, double &theUMax) const
	Returns the parameter range [u_min, u_max] via out-parameters.

occtl_geom2d_line_t	as_line () const
	Extracts the underlying line.

occtl_geom2d_circle_t	as_circle () const
	Extracts the underlying circle.

occtl_geom2d_ellipse_t	as_ellipse () const
	Extracts the underlying ellipse.

occtl_geom2d_hyperbola_t	as_hyperbola () const
	Extracts the underlying hyperbola.

occtl_geom2d_parabola_t	as_parabola () const
	Extracts the underlying parabola.

TrimmedView	as_trimmed () const
	Extracts the parameter bounds from a trimmed curve.

OffsetView	as_offset () const
	Extracts the scalar offset of an offset curve.

BSplineView	as_bspline () const
	Returns a §10.5 aggregate inspection view of a 2D B-spline curve.

int32_t	bspline_degree () const
	Returns the polynomial degree.

size_t	bspline_pole_count () const
	Returns the number of poles.

size_t	bspline_knot_count () const
	Returns the number of distinct knot values.

int32_t	bspline_is_rational () const
	Returns 1 when the B-spline is rational (NURBS), 0 otherwise.

int32_t	bezier_degree () const
	Returns the Bezier polynomial degree.

size_t	bezier_pole_count () const
	Returns the number of Bezier poles.

int32_t	bezier_is_rational () const
	Returns 1 when the Bezier curve is rational, 0 otherwise.

std::vector< occtl_point2_t >	bspline_poles () const
	Copies all poles into a `std::vector<occtl_point2_t>`.

std::vector< double >	bspline_knots () const
	Copies all distinct knot values into a `std::vector<double>`.

std::vector< int32_t >	bspline_multiplicities () const
	Copies all knot multiplicities into a `std::vector<int32_t>`.

std::vector< double >	bspline_weights () const
	Copies all weights into a `std::vector<double>`.

std::vector< double >	bspline_flat_knots () const
	Copies the expanded (flat) knot sequence into a vector.

const occtl_point2_t *	bspline_poles_view (size_t &theCount) const
	Returns a zero-copy view of the poles array.

std::vector< Curve2d >	to_bezier_segments (const occtl_curve_bezier_segments_options_t *theOptions=nullptr) const
	Decomposes this 2D curve into adjacent Bezier curve segments.

occtl_point2_t	eval_d0 (const double theU) const
	Evaluates the 2D curve point at parameter `theU`.

std::pair< occtl_point2_t, occtl_vector2_t >	eval_d1 (const double theU) const
	Evaluates point and first derivative at `theU`.

std::tuple< occtl_point2_t, occtl_vector2_t, occtl_vector2_t >	eval_d2 (const double theU) const
	Evaluates point, first, and second derivatives at `theU`.

std::tuple< occtl_point2_t, occtl_vector2_t, occtl_vector2_t, occtl_vector2_t >	eval_d3 (const double theU) const
	Evaluates point, first, second, and third derivatives at `theU`.

occtl_vector2_t	eval_dn (const double theU, const int32_t theN) const
	Returns the N-th derivative vector at `theU`.

Static Public Member Functions
static Curve2d	from_line (occtl_graph_t *graph, const occtl_geom2d_line_t &theLine)
	Constructs a 2D curve from a line.

static Curve2d	from_circle (occtl_graph_t *graph, const occtl_geom2d_circle_t &theCircle)
	Constructs a 2D curve from a circle.

static std::vector< occtl_geom2d_circle_t >	circles_tangent_to_two_radius (occtl_graph_t *graph, const occtl_curve2d_circle_tangent_to_two_radius_info_t &theInfo)
	Computes all fixed-radius circles tangent to two 2D curves.

static std::vector< Curve2d >	blend_arcs (occtl_graph_t *graph, const occtl_curve2d_blend_arc_info_t &theInfo)
	Computes all fixed-radius 2D blend arcs tangent to two 2D curves.

static std::vector< occtl_geom2d_line_t >	lines_tangent_to_two (occtl_graph_t *graph, const occtl_curve2d_line_tangent_to_two_info_t &theInfo)
	Computes all 2D lines tangent to two 2D curves.

static std::vector< occtl_geom2d_line_t >	lines_tangent_through_point (occtl_graph_t *graph, const occtl_curve2d_line_tangent_through_point_info_t &theInfo)
	Computes all 2D lines tangent to a 2D curve through a point.

static std::vector< occtl_geom2d_line_t >	lines_tangent_with_angle (occtl_graph_t graph, const occtl_curve2d_line_tangent_with_angle_info_t theInfo)
	Computes all 2D lines tangent to a curve at a fixed angle to a line.

static std::vector< occtl_geom2d_circle_t >	circles_tangent_to_three (occtl_graph_t *graph, const occtl_curve2d_circle_tangent_to_three_info_t &theInfo)
	Computes all 2D circles tangent to three 2D curves.

static std::vector< occtl_geom2d_circle_t >	circles_tangent_fixed_center (occtl_graph_t *graph, const occtl_curve2d_circle_tangent_fixed_center_info_t &theInfo)
	Computes all 2D circles tangent to a curve with a fixed center.

static std::vector< occtl_geom2d_circle_t >	circles_tangent_center_on_curve (occtl_graph_t graph, const occtl_curve2d_circle_tangent_center_on_curve_info_t theInfo)
	Computes all 2D circles tangent to two curves with center on a curve.

static std::vector< occtl_geom2d_circle_t >	circles_tangent_on_curve_radius (occtl_graph_t graph, const occtl_curve2d_circle_tangent_on_curve_radius_info_t theInfo)
	Computes fixed-radius 2D circles tangent to a curve with center on another curve.

static Curve2d	from_ellipse (occtl_graph_t *graph, const occtl_geom2d_ellipse_t &theEllipse)
	Constructs a 2D curve from an ellipse.

static Curve2d	from_hyperbola (occtl_graph_t *graph, const occtl_geom2d_hyperbola_t &theHyperbola)
	Constructs a 2D curve from a hyperbola.

static Curve2d	from_parabola (occtl_graph_t *graph, const occtl_geom2d_parabola_t &theParabola)
	Constructs a 2D curve from a parabola.

static Curve2d	from_bspline (occtl_graph_t *graph, const occtl_curve2d_bspline_create_info_t &theInfo)
	Constructs a 2D B-spline curve from the given create info.

static Curve2d	from_bezier (occtl_graph_t *graph, const occtl_curve2d_bezier_create_info_t &theInfo)
	Constructs a 2D Bezier curve from the given create info.

static Curve2d	from_trimmed (occtl_graph_t *graph, const occtl_curve_trimmed_create_info_t &theInfo)
	Constructs a trimmed 2D curve.

static Curve2d	from_offset (occtl_graph_t *graph, const occtl_curve2d_offset_create_info_t &theInfo)
	Constructs an offset 2D curve.

Detailed Description

Non-owning reference to a 2D geometric curve stored in a graph.

Wraps one occtl_rep_id_t inside an occtl_graph_t*. Copying is shallow — both copies refer to the same graph representation.

Member Function Documentation

◆ as_bspline()

Curve2d::BSplineView occtl::Curve2d::as_bspline ( ) const

inline

Returns a §10.5 aggregate inspection view of a 2D B-spline curve.

The returned view's pointer fields borrow from this curve's graph rep and remain valid until the rep is removed from the graph.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != BSPLINE, or OCCTL_VERSION_MISMATCH on unsupported layout version.

◆ as_circle()

occtl_geom2d_circle_t occtl::Curve2d::as_circle ( ) const

inline

Extracts the underlying circle.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OCCTL_CURVE_KIND_CIRCLE.

◆ as_ellipse()

occtl_geom2d_ellipse_t occtl::Curve2d::as_ellipse ( ) const

inline

Extracts the underlying ellipse.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OCCTL_CURVE_KIND_ELLIPSE.

◆ as_hyperbola()

occtl_geom2d_hyperbola_t occtl::Curve2d::as_hyperbola ( ) const

inline

Extracts the underlying hyperbola.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OCCTL_CURVE_KIND_HYPERBOLA.

◆ as_line()

occtl_geom2d_line_t occtl::Curve2d::as_line ( ) const

inline

Extracts the underlying line.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OCCTL_CURVE_KIND_LINE.

◆ as_offset()

Curve2d::OffsetView occtl::Curve2d::as_offset ( ) const

inline

Extracts the scalar offset of an offset curve.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OFFSET.

◆ as_parabola()

occtl_geom2d_parabola_t occtl::Curve2d::as_parabola ( ) const

inline

Extracts the underlying parabola.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != OCCTL_CURVE_KIND_PARABOLA.

◆ as_trimmed()

Curve2d::TrimmedView occtl::Curve2d::as_trimmed ( ) const

inline

Extracts the parameter bounds from a trimmed curve.

Exceptions

Error with OCCTL_WRONG_KIND when kind() != TRIMMED.

◆ bezier_degree()

int32_t occtl::Curve2d::bezier_degree ( ) const

inline

Returns the Bezier polynomial degree.

Exceptions

Error when kind != BEZIER.

◆ bezier_is_rational()

int32_t occtl::Curve2d::bezier_is_rational ( ) const

inline

Returns 1 when the Bezier curve is rational, 0 otherwise.

Exceptions

Error when kind != BEZIER.

◆ bezier_pole_count()

size_t occtl::Curve2d::bezier_pole_count ( ) const

inline

Returns the number of Bezier poles.

Exceptions

Error when kind != BEZIER.

◆ blend_arcs()

static std::vector< Curve2d > occtl::Curve2d::blend_arcs	(	occtl_graph_t *	graph,
		const occtl_curve2d_blend_arc_info_t &	theInfo
	)

inlinestatic

Computes all fixed-radius 2D blend arcs tangent to two 2D curves.

Exceptions

Error when the underlying solver call fails.

◆ bspline_degree()

int32_t occtl::Curve2d::bspline_degree ( ) const

inline

Returns the polynomial degree.

Exceptions

Error when kind != BSPLINE.

◆ bspline_flat_knots()

std::vector< double > occtl::Curve2d::bspline_flat_knots ( ) const

inline

Copies the expanded (flat) knot sequence into a vector.

Exceptions

Error when kind != BSPLINE or extraction fails.

◆ bspline_is_rational()

int32_t occtl::Curve2d::bspline_is_rational ( ) const

inline

Returns 1 when the B-spline is rational (NURBS), 0 otherwise.

Exceptions

Error when kind != BSPLINE.

◆ bspline_knot_count()

size_t occtl::Curve2d::bspline_knot_count ( ) const

inline

Returns the number of distinct knot values.

Exceptions

Error when kind != BSPLINE.

◆ bspline_knots()

std::vector< double > occtl::Curve2d::bspline_knots ( ) const

inline

Copies all distinct knot values into a std::vector<double>.

Exceptions

Error when kind != BSPLINE or extraction fails.

◆ bspline_multiplicities()

std::vector< int32_t > occtl::Curve2d::bspline_multiplicities ( ) const

inline

Copies all knot multiplicities into a std::vector<int32_t>.

Exceptions

Error when kind != BSPLINE or extraction fails.

◆ bspline_pole_count()

size_t occtl::Curve2d::bspline_pole_count ( ) const

inline

Returns the number of poles.

Exceptions

Error when kind != BSPLINE.

◆ bspline_poles()

std::vector< occtl_point2_t > occtl::Curve2d::bspline_poles ( ) const

inline

Copies all poles into a std::vector<occtl_point2_t>.

Exceptions

Error when kind != BSPLINE or extraction fails.

◆ bspline_poles_view()

const occtl_point2_t * occtl::Curve2d::bspline_poles_view ( size_t & theCount ) const

inline

Returns a zero-copy view of the poles array.

Valid until the graph rep is removed or a mutating call is made on it.

Exceptions

Error when kind != BSPLINE or view is unavailable.

◆ bspline_weights()

std::vector< double > occtl::Curve2d::bspline_weights ( ) const

inline

Copies all weights into a std::vector<double>.

Exceptions

Error with OCCTL_WRONG_KIND when the curve is non-rational.

◆ circles_tangent_center_on_curve()

static std::vector< occtl_geom2d_circle_t > occtl::Curve2d::circles_tangent_center_on_curve	(	occtl_graph_t *	graph,
		const occtl_curve2d_circle_tangent_center_on_curve_info_t *	theInfo
	)

inlinestatic

Computes all 2D circles tangent to two curves with center on a curve.

Exceptions

Error when the underlying solver call fails.

◆ circles_tangent_fixed_center()

static std::vector< occtl_geom2d_circle_t > occtl::Curve2d::circles_tangent_fixed_center	(	occtl_graph_t *	graph,
		const occtl_curve2d_circle_tangent_fixed_center_info_t &	theInfo
	)

inlinestatic

Computes all 2D circles tangent to a curve with a fixed center.

Exceptions

Error when the underlying solver call fails.

◆ circles_tangent_on_curve_radius()

static std::vector< occtl_geom2d_circle_t > occtl::Curve2d::circles_tangent_on_curve_radius	(	occtl_graph_t *	graph,
		const occtl_curve2d_circle_tangent_on_curve_radius_info_t *	theInfo
	)

inlinestatic

Computes fixed-radius 2D circles tangent to a curve with center on another curve.

Exceptions

Error when the underlying solver call fails.

◆ circles_tangent_to_three()

static std::vector< occtl_geom2d_circle_t > occtl::Curve2d::circles_tangent_to_three	(	occtl_graph_t *	graph,
		const occtl_curve2d_circle_tangent_to_three_info_t &	theInfo
	)

inlinestatic

Computes all 2D circles tangent to three 2D curves.

Exceptions

Error when the underlying solver call fails.

◆ circles_tangent_to_two_radius()

static std::vector< occtl_geom2d_circle_t > occtl::Curve2d::circles_tangent_to_two_radius	(	occtl_graph_t *	graph,
		const occtl_curve2d_circle_tangent_to_two_radius_info_t &	theInfo
	)

inlinestatic

Computes all fixed-radius circles tangent to two 2D curves.

Exceptions

Error when the underlying solver call fails.

◆ continuity()

occtl_geom_continuity_t occtl::Curve2d::continuity ( ) const

inline

Returns the geometric continuity class.

Exceptions

Error when the underlying call fails.

◆ eval_d0()

occtl_point2_t occtl::Curve2d::eval_d0 ( const double theU ) const

inline

Evaluates the 2D curve point at parameter theU.

Exceptions

Error on NULL graph or out-of-range.

◆ eval_d1()

std::pair< occtl_point2_t, occtl_vector2_t > occtl::Curve2d::eval_d1 ( const double theU ) const

inline

Evaluates point and first derivative at theU.

Exceptions

Error on NULL graph or out-of-range.

◆ eval_d2()

std::tuple< occtl_point2_t, occtl_vector2_t, occtl_vector2_t > occtl::Curve2d::eval_d2 ( const double theU ) const

inline

Evaluates point, first, and second derivatives at theU.

Exceptions

Error on NULL graph or out-of-range.

◆ eval_d3()

std::tuple< occtl_point2_t, occtl_vector2_t, occtl_vector2_t, occtl_vector2_t > occtl::Curve2d::eval_d3 ( const double theU ) const

inline

Evaluates point, first, second, and third derivatives at theU.

Exceptions

Error on NULL graph or out-of-range.

◆ eval_dn()

occtl_vector2_t occtl::Curve2d::eval_dn	(	const double	theU,
		const int32_t	theN
	)		const

inline

Returns the N-th derivative vector at theU.

Exceptions

Error on NULL graph or out-of-range.

◆ from_bezier()

static Curve2d occtl::Curve2d::from_bezier	(	occtl_graph_t *	graph,
		const occtl_curve2d_bezier_create_info_t &	theInfo
	)

inlinestatic

Constructs a 2D Bezier curve from the given create info.

Exceptions

Error on invalid geometry or version mismatch.

◆ from_bspline()

static Curve2d occtl::Curve2d::from_bspline	(	occtl_graph_t *	graph,
		const occtl_curve2d_bspline_create_info_t &	theInfo
	)

inlinestatic

Constructs a 2D B-spline curve from the given create info.

Exceptions

Error on invalid geometry or version mismatch.

◆ from_circle()

static Curve2d occtl::Curve2d::from_circle	(	occtl_graph_t *	graph,
		const occtl_geom2d_circle_t &	theCircle
	)

inlinestatic

Constructs a 2D curve from a circle.

Exceptions

Error on invalid geometry.

◆ from_ellipse()

static Curve2d occtl::Curve2d::from_ellipse	(	occtl_graph_t *	graph,
		const occtl_geom2d_ellipse_t &	theEllipse
	)

inlinestatic

Constructs a 2D curve from an ellipse.

Exceptions

Error on invalid geometry.

◆ from_hyperbola()

static Curve2d occtl::Curve2d::from_hyperbola	(	occtl_graph_t *	graph,
		const occtl_geom2d_hyperbola_t &	theHyperbola
	)

inlinestatic

Constructs a 2D curve from a hyperbola.

Exceptions

Error on invalid geometry.

◆ from_line()

static Curve2d occtl::Curve2d::from_line	(	occtl_graph_t *	graph,
		const occtl_geom2d_line_t &	theLine
	)

inlinestatic

Constructs a 2D curve from a line.

Exceptions

Error on invalid geometry.

◆ from_offset()

static Curve2d occtl::Curve2d::from_offset	(	occtl_graph_t *	graph,
		const occtl_curve2d_offset_create_info_t &	theInfo
	)

inlinestatic

Constructs an offset 2D curve.

Exceptions

Error on invalid geometry or version mismatch.

◆ from_parabola()

static Curve2d occtl::Curve2d::from_parabola	(	occtl_graph_t *	graph,
		const occtl_geom2d_parabola_t &	theParabola
	)

inlinestatic

Constructs a 2D curve from a parabola.

Exceptions

Error on invalid geometry.

◆ from_trimmed()

static Curve2d occtl::Curve2d::from_trimmed	(	occtl_graph_t *	graph,
		const occtl_curve_trimmed_create_info_t &	theInfo
	)

inlinestatic

Constructs a trimmed 2D curve.

Exceptions

Error on invalid geometry or version mismatch.

◆ is_closed()

int32_t occtl::Curve2d::is_closed ( ) const

inline

Returns 1 when the curve is closed, 0 otherwise.

Exceptions

Error when the underlying call fails.

◆ is_periodic()

int32_t occtl::Curve2d::is_periodic ( ) const

inline

Returns 1 when the curve is periodic, 0 otherwise.

Exceptions

Error when the underlying call fails.

◆ kind()

occtl_curve_kind_t occtl::Curve2d::kind ( ) const

inline

Returns the kind of geometry.

Exceptions

Error when the underlying call fails.

◆ length()

double occtl::Curve2d::length ( ) const

inline

Returns the curve length over its full parameter range.

Exceptions

Error when the underlying call fails.

◆ lines_tangent_through_point()

static std::vector< occtl_geom2d_line_t > occtl::Curve2d::lines_tangent_through_point	(	occtl_graph_t *	graph,
		const occtl_curve2d_line_tangent_through_point_info_t &	theInfo
	)

inlinestatic

Computes all 2D lines tangent to a 2D curve through a point.

Exceptions

Error when the underlying solver call fails.

◆ lines_tangent_to_two()

static std::vector< occtl_geom2d_line_t > occtl::Curve2d::lines_tangent_to_two	(	occtl_graph_t *	graph,
		const occtl_curve2d_line_tangent_to_two_info_t &	theInfo
	)

inlinestatic

Computes all 2D lines tangent to two 2D curves.

Exceptions

Error when the underlying solver call fails.

◆ lines_tangent_with_angle()

static std::vector< occtl_geom2d_line_t > occtl::Curve2d::lines_tangent_with_angle	(	occtl_graph_t *	graph,
		const occtl_curve2d_line_tangent_with_angle_info_t *	theInfo
	)

inlinestatic

Computes all 2D lines tangent to a curve at a fixed angle to a line.

Exceptions

Error when the underlying solver call fails.

◆ parameter_of_point()

double occtl::Curve2d::parameter_of_point ( const Point2 & thePoint ) const

inline

Returns the parameter on the 2D curve nearest to a given point.

Exceptions

Error when the underlying call fails.

◆ parameter_range()

void occtl::Curve2d::parameter_range	(	double &	theUMin,
		double &	theUMax
	)		const

inline

Returns the parameter range [u_min, u_max] via out-parameters.

Exceptions

Error when the underlying call fails.

◆ project_point()

std::pair< double, double > occtl::Curve2d::project_point ( const Point2 & thePoint ) const

inline

Projects a 2D point onto the curve.

Returns: A pair of (parameter, distance).

Exceptions

Error when the underlying call fails.

◆ reversed()

Curve2d occtl::Curve2d::reversed ( ) const

inline

Returns a reversed copy of this curve stored in the same graph.

Exceptions

Error when the underlying call fails.

◆ rotated()

Curve2d occtl::Curve2d::rotated ( double theAngle ) const

inline

Returns a rotated copy of this curve stored in the same graph.

Exceptions

Error when the underlying call fails.

◆ scaled()

Curve2d occtl::Curve2d::scaled	(	const Point2 &	theOrigin,
		double	theFactor
	)		const

inline

Returns a scaled copy of this curve stored in the same graph.

Exceptions

Error when the underlying call fails.

◆ to_bezier_segments()

std::vector< Curve2d > occtl::Curve2d::to_bezier_segments ( const occtl_curve_bezier_segments_options_t * theOptions = nullptr ) const

inline

Decomposes this 2D curve into adjacent Bezier curve segments.

Exceptions

Error on invalid options or conversion failure.

◆ transformed()

Curve2d occtl::Curve2d::transformed	(	double	theTranslateX,
		double	theTranslateY,
		double	theRotateAngle,
		double	theScaleX,
		double	theScaleY
	)		const

inline

Returns a transformed copy of this curve stored in the same graph.

Exceptions

Error when the underlying call fails.

◆ translated()

Curve2d occtl::Curve2d::translated ( const Vector2 & theDelta ) const

inline

Returns a translated copy of this curve stored in the same graph.

Exceptions

Error when the underlying call fails.

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

include/occtl-hpp/curves2d.hpp

Classes

Public Member Functions

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ as_bspline()

◆ as_circle()

◆ as_ellipse()

◆ as_hyperbola()

◆ as_line()

◆ as_offset()

◆ as_parabola()

◆ as_trimmed()

◆ bezier_degree()

◆ bezier_is_rational()

◆ bezier_pole_count()

◆ blend_arcs()

◆ bspline_degree()

◆ bspline_flat_knots()

◆ bspline_is_rational()

◆ bspline_knot_count()

◆ bspline_knots()

◆ bspline_multiplicities()

◆ bspline_pole_count()

◆ bspline_poles()

◆ bspline_poles_view()

◆ bspline_weights()

◆ circles_tangent_center_on_curve()

◆ circles_tangent_fixed_center()

◆ circles_tangent_on_curve_radius()

◆ circles_tangent_to_three()

◆ circles_tangent_to_two_radius()

◆ continuity()

◆ eval_d0()

◆ eval_d1()

◆ eval_d2()

◆ eval_d3()

◆ eval_dn()

◆ from_bezier()

◆ from_bspline()

◆ from_circle()

◆ from_ellipse()

◆ from_hyperbola()

◆ from_line()

◆ from_offset()

◆ from_parabola()

◆ from_trimmed()

◆ is_closed()

◆ is_periodic()

◆ kind()

◆ length()

◆ lines_tangent_through_point()

◆ lines_tangent_to_two()

◆ lines_tangent_with_angle()

◆ parameter_of_point()

◆ parameter_range()

◆ project_point()

◆ reversed()

◆ rotated()

◆ scaled()

◆ to_bezier_segments()

◆ transformed()

◆ translated()