#include <opennurbs_curveonsurface.h>

Inheritance diagram for ON_CurveOnSurface:

Public Member Functions
	ON_CurveOnSurface () ON_NOEXCEPT

	ON_CurveOnSurface (ON_Curve p2dCurve, ON_Curve p3dCurve, ON_Surface *pSurface)

virtual	~ON_CurveOnSurface ()

int	Degree () const override

int	Dimension () const override
	ON_Geometry overrides. More...

ON_Interval	Domain () const override
	ON_Curve overrides. More...

void	Dump (ON_TextLog &) const override
	for debugging More...

bool	Evaluate (double, int, int, double , int=0, int =0) const override
	Domain changes from [a,b] to [-b,-a]. More...

bool	GetBBox (double boxmin, double boxmax, bool bGrowBox=false) const override
	virtual ON_Geometry GetBBox override More...

int	GetNurbForm (ON_NurbsCurve &, double=0.0, const ON_Interval *=nullptr) const override

bool	GetParameterTolerance (double, double , double ) const override
	(optional - override if curve is piecewise smooth) More...

bool	GetSpanVector (double *) const override

bool	IsArc (const ON_Plane =nullptr, ON_Arc =nullptr, double=ON_ZERO_TOLERANCE) const override

bool	IsClosed (void) const override

bool	IsInPlane (const ON_Plane &, double=ON_ZERO_TOLERANCE) const override

bool	IsLinear (double=ON_ZERO_TOLERANCE) const override

bool	IsPeriodic (void) const override
	periodic.) More...

bool	IsPlanar (ON_Plane *=nullptr, double=ON_ZERO_TOLERANCE) const override

bool	IsValid (class ON_TextLog *text_log=nullptr) const override
	ON_Object overrides. More...

bool	Read (ON_BinaryArchive &) override

bool	Reverse () override

unsigned int	SizeOf () const override
	virtual ON_Object::SizeOf override More...

int	SpanCount () const override
	number of smooth spans in curve More...

bool	SwapCoordinates (int, int) override
	(optional - default uses Transform for 2d and 3d objects) More...

bool	Transform (const ON_Xform &) override

bool	Write (ON_BinaryArchive &) const override

Public Member Functions inherited from ON_Curve
	ON_Curve () ON_NOEXCEPT

	ON_Curve (const ON_Curve &)

virtual	~ON_Curve ()

bool	AreaMassProperties (ON_3dPoint base_point, ON_3dVector plane_normal, ON_MassProperties &mp, bool bArea=true, bool bFirstMoments=true, bool bSecondMoments=true, bool bProductMoments=true, double rel_tol=1.0e-6, double abs_tol=1.0e-6) const

virtual bool	ChangeClosedCurveSeam (double t)

bool	ChangeClosedCurveSeam (double t, double min_dist)

virtual bool	ChangeDimension (int desired_dimension)

virtual class ON_CurveTree *	CreateCurveTree () const

ON_3dVector	CurvatureAt (double t) const

const class ON_CurveTree *	CurveTree () const

ON_3dVector	DerivativeAt (double t) const

void	DestroyCurveTree ()

void	DestroyRuntimeCache (bool bDelete=true) override
	virtual ON_Object::DestroyRuntimeCache override More...

virtual ON_Curve *	DuplicateCurve () const

bool	Ev1Der (double t, ON_3dPoint &point, ON_3dVector &first_derivative, int side=0, int *hint=0) const

bool	Ev2Der (double t, ON_3dPoint &point, ON_3dVector &first_derivative, ON_3dVector &second_derivative, int side=0, int *hint=0) const

bool	EvaluatePoint (const class ON_ObjRef &objref, ON_3dPoint &P) const override
	virtual ON_Geometry override More...

bool	EvCurvature (double t, ON_3dPoint &point, ON_3dVector &tangent, ON_3dVector &kappa, int side=0, int *hint=0) const

bool	EvPoint (double t, ON_3dPoint &point, int side=0, int *hint=0) const

bool	EvSignedCurvature (double t, ON_3dPoint &point, ON_3dVector &tangent, double &kappa, const ON_3dVector normal=nullptr, int side=0, int hint=0) const

bool	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

bool	FrameAt (double t, ON_Plane &plane) const

virtual bool	GetClosestPoint (const ON_3dPoint &test_point, double t, double maximum_distance=0.0, const ON_Interval sub_domain=nullptr) const

virtual bool	GetCurveParameterFromNurbFormParameter (double nurbs_t, double *curve_t) const

bool	GetDomain (double t0, double t1) const
	curve interface More...

virtual bool	GetLength (double length, double fractional_tolerance=1.0e-8, const ON_Interval sub_domain=nullptr) const

virtual bool	GetLocalClosestPoint (const ON_3dPoint &test_point, double seed_parameter, double t, const ON_Interval sub_domain=0) const

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

virtual bool	GetNormalizedArcLengthPoint (double s, double t, double fractional_tolerance=1.0e-8, const ON_Interval sub_domain=nullptr) const

virtual bool	GetNormalizedArcLengthPoints (int count, const double s, double t, double absolute_tolerance=0.0, double fractional_tolerance=1.0e-8, const ON_Interval *sub_domain=nullptr) const

virtual bool	GetNurbFormParameterFromCurveParameter (double curve_t, double *nurbs_t) const

virtual bool	GetSpanVectorIndex (double t, int side, int span_vector_index, ON_Interval span_domain) const

bool	GetTightBoundingBox (class ON_BoundingBox &tight_bbox, bool bGrowBox=false, const class ON_Xform *xform=nullptr) const override
	virtual ON_Geometry GetTightBoundingBox override More...

virtual int	HasNurbForm () const

int	IntersectCurve (const ON_Curve curveB, ON_SimpleArray< ON_X_EVENT > &x, double intersection_tolerance=0.0, double overlap_tolerance=0.0, const ON_Interval curveA_domain=0, const ON_Interval *curveB_domain=0) const

int	IntersectPlane (ON_PlaneEquation plane_equation, ON_SimpleArray< ON_X_EVENT > &x, double intersection_tolerance=0.0, double overlap_tolerance=0.0, const ON_Interval *curve_domain=0) const

virtual int	IntersectSelf (ON_SimpleArray< ON_X_EVENT > &x, double intersection_tolerance=0.0, const ON_Interval *curve_domain=0) const

int	IntersectSurface (const ON_Surface surfaceB, ON_SimpleArray< ON_X_EVENT > &x, double intersection_tolerance=0.0, double overlap_tolerance=0.0, const ON_Interval curveA_domain=0, const ON_Interval surfaceB_udomain=0, const ON_Interval surfaceB_vdomain=0) 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 bool	IsContinuous (ON::continuity c, double t, int *hint=nullptr, 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=nullptr, ON_Ellipse ellipse=nullptr, double tolerance=ON_ZERO_TOLERANCE) const

bool	IsLong (double min_length, const ON_Interval *sub_domain=0) const

virtual int	IsPolyline (ON_SimpleArray< ON_3dPoint > pline_points=nullptr, ON_SimpleArray< double > pline_t=nullptr) const

virtual bool	IsShort (double tolerance, const ON_Interval sub_domain=0, double length_estimate=0) const

bool	LastSpanIsLinear (double min_length, double tolerance) const

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

bool	LengthMassProperties (class ON_MassProperties &mp, bool bLength=true, bool bFirstMoments=true, bool bSecondMoments=true, bool bProductMoments=true, double rel_tol=1.0e-6, double abs_tol=1.0e-6) const

class ON_PolylineCurve *	MeshCurve (ON_MeshCurveParameters &mp, ON_PolylineCurve polyline, bool bSkipFirstPoint, const ON_Interval domain) const

double	NextCurveKink (ON_Interval search_domain, const class ON_CurveKinkDefinition &kink_definition) const
	Find the next curve kink in the search domain. More...

ON_NurbsCurve *	NurbsCurve (ON_NurbsCurve pNurbsCurve=nullptr, double tolerance=0.0, const ON_Interval subdomain=nullptr) const

class ON_NurbsCurve *	NurbsCurveFit (ON_Interval domain, const class ON_NurbsCurveFitParameters &fit_parameters, class ON_NurbsCurve *destination_nurbs_cuve, class ON_Line &maximum_separation, double &this_separation_parameter, double &nurbs_separation_parameter) const
	Get a uniform NURBS curve fit to this curve.. This function is useful when you want to fit this curve a single time. If you are in a situation where you are repeatedly adjusting fit_parameters, it is much more efficient to use the ON_NurbsCurveFitBuilder class because the steps involved in sampling points and other information from this input curve are expensive and can be reused as fit_parameters.Degree(), fit_parameters.PointCount(), and other fitting parmeters are changed. More...

ON::object_type	ObjectType () const override

ON_Curve &	operator= (const ON_Curve &)

ON_3dPoint	PointAt (double t) const

ON_3dPoint	PointAtEnd () const

ON_3dPoint	PointAtStart () const

virtual bool	RemoveShortSegments (double tolerance, bool bRemoveShortSegments=true)

virtual bool	SetDomain (double t0, double t1)

bool	SetDomain (ON_Interval domain)

virtual bool	SetEndPoint (ON_3dPoint end_point)

virtual bool	SetStartPoint (ON_3dPoint start_point)

double	SignedCurvatureAt (double t, const ON_3dVector *plane_normal=nullptr) const

const ON_SimpleArray< double >	SpanVector () const
	The curve's span vector is a stricltly monotone increasing list of doubles that are the intervals on which the curve is C-infinity. More...

virtual bool	Split (double t, ON_Curve &left_side, ON_Curve &right_side) const

ON_3dVector	TangentAt (double t) const

ON_3dVector	TangentAt (double t, int side) const
	Evaluate the unit tangent vector with the option to specify the direction of the limit. This is useful when evaluating tangent vectors at a tangent discontinuity. More...

virtual bool	Trim (const ON_Interval &domain)

Public Member Functions inherited from ON_Geometry
	ON_Geometry ()=default

	ON_Geometry (const ON_Geometry &)=default

	~ON_Geometry ()=default

ON_BoundingBox	BoundingBox () const

virtual class ON_Brep *	BrepForm (class ON_Brep *brep=nullptr) const

virtual void	ClearBoundingBox ()

virtual ON_COMPONENT_INDEX	ComponentIndex () const

bool	GetBoundingBox (ON_3dPoint &bbox_min, ON_3dPoint &bbox_max, bool bGrowBox=false) const

bool	GetBoundingBox (ON_BoundingBox &bbox, bool bGrowBox=false) const

virtual bool	HasBrepForm () const

virtual bool	IsDeformable () const

virtual bool	IsMorphable () const

bool	IsValid (class ON_TextLog *text_log=nullptr) const override

virtual bool	MakeDeformable ()

virtual bool	Morph (const class ON_SpaceMorph &morph)

ON_Geometry &	operator= (const ON_Geometry &)=default

bool	Rotate (double rotation_angle, const ON_3dVector &rotation_axis, const ON_3dPoint &rotation_center)

bool	Rotate (double sin_angle, double cos_angle, const ON_3dVector &rotation_axis, const ON_3dPoint &rotation_center)

bool	Scale (double scale_factor)

const ON_BoundingBox	TightBoundingBox () const

bool	Translate (const ON_3dVector &translation_vector)

Public Member Functions inherited from ON_Object
	ON_Object () ON_NOEXCEPT

	ON_Object (const ON_Object &)

virtual	~ON_Object ()

virtual ON_AggregateComponentStatus	AggregateComponentStatus () const

bool	AttachUserData (class ON_UserData *pUserData)

unsigned int	ClearAllComponentStates () const

virtual unsigned int	ClearComponentStates (ON_COMPONENT_INDEX component_index, ON_ComponentStatus states_to_clear) const

virtual unsigned int	ClearComponentStates (ON_ComponentStatus states_to_clear) const

void	CopyUserData (const ON_Object &source_object)

unsigned int	CopyUserData (const ON_Object &source_object, ON_UUID source_userdata_item_id, ON_Object::UserDataConflictResolution userdata_conflict_resolution)

virtual ON__UINT32	DataCRC (ON__UINT32 current_remainder) const

virtual bool	DeleteComponents (const ON_COMPONENT_INDEX *ci_list, size_t ci_count)

bool	DetachUserData (class ON_UserData *pUserData)

void	DumpUserData (const wchar_t *description, ON_TextLog &text_log) const
	Go through the linked list of ON_UserData attached to this and call the virtual Dump(text_log) function on each instance. More...

void	EmergencyDestroy ()

class ON_UserData *	FirstUserData () const

virtual unsigned int	GetComponentsWithSetStates (ON_ComponentStatus states_filter, bool bAllEqualStates, ON_SimpleArray< ON_COMPONENT_INDEX > &components) const

class ON_UserData *	GetUserData (const ON_UUID &userdata_uuid) const

bool	GetUserString (const wchar_t *key, ON_wString &string_value) const

int	GetUserStringKeys (ON_ClassArray< ON_wString > &user_string_keys) const

int	GetUserStrings (ON_ClassArray< ON_UserString > &user_strings) const

bool	IsCorrupt (bool bRepair, bool bSilentError, class ON_TextLog *text_log) const

bool	IsKindOf (const ON_ClassId *pClassId) const

virtual void	MarkAggregateComponentStatusAsNotCurrent () const

virtual void	MemoryRelocate ()

virtual ON_UUID	ModelObjectId () const

void	MoveUserData (ON_Object &source_object)

unsigned int	MoveUserData (ON_Object &source_object, ON_UUID source_userdata_item_id, ON_Object::UserDataConflictResolution userdata_conflict_resolution, bool bDeleteAllSourceItems)

ON_wString	ObjectTypeStr () const
	virtual More...

ON_Object &	operator= (const ON_Object &)

void	PurgeUserData ()

virtual unsigned int	SetComponentStates (ON_COMPONENT_INDEX component_index, ON_ComponentStatus states_to_set) const

virtual unsigned int	SetComponentStatus (ON_COMPONENT_INDEX component_index, ON_ComponentStatus status_to_copy) const

bool	SetUserString (const wchar_t key, const wchar_t string_value)

int	SetUserStrings (int count, const ON_UserString *user_strings, bool bReplace)

bool	ThisIsNullptr (bool bSilentError) const

void	TransformUserData (const class ON_Xform &xform)

virtual bool	UpdateReferencedComponents (const class ON_ComponentManifest &source_manifest, const class ON_ComponentManifest &destination_manifest, const class ON_ManifestMap &manifest_map)

int	UserStringCount () const

Public Attributes
ON_Curve *	m_c2
	Interface. More...

ON_Curve *	m_c3
	OPTIONAL 3d curve (approximation) to srf(crv2(t)) More...

ON_Surface *	m_s

Additional Inherited Members
Public Types inherited from ON_Object
enum	UserDataConflictResolution : unsigned char { UserDataConflictResolution::destination_object = 0, UserDataConflictResolution::source_object = 1, UserDataConflictResolution::source_copycount_gt = 2, UserDataConflictResolution::source_copycount_ge = 3, UserDataConflictResolution::destination_copycount_gt = 4, UserDataConflictResolution::destination_copycount_ge = 5, UserDataConflictResolution::delete_item = 6 }

Static Public Member Functions inherited from ON_Curve
static class ON_NurbsCurve *	CreateCubicLoft (int point_count, int point_dim, int point_stride, const double point_list, double k, int is_closed=0, ON::cubic_loft_end_condition start_shape=ON::cubic_loft_ec_quadratic, ON::cubic_loft_end_condition end_shape=ON::cubic_loft_ec_quadratic, class ON_NurbsCurve nurbs_curve=0)

static bool	GetCurveSeparation (const ON_Curve &curveA, ON_Interval domainA, const ON_Curve &curveB, ON_Interval domainB, ON_Line &minimum_separation, double min_parameter_A, double min_parameter_B, ON_Line &maximum_separation, double max_parameter_A, double max_parameter_B)
	Find the locations of the minimimum and maximum separation between two curves. When the separation points are distinct, the line connecting the separation points is perpindicular to the curves. This calculates the distances and locations shown in the Rhino CrvDeviation command. More...

Static Public Attributes inherited from ON_Geometry
const static ON_Geometry	Unset

Protected Member Functions inherited from ON_Curve
bool	ParameterSearch (double t, int &index, bool bEnableSnap, const ON_SimpleArray< double > &m_t, double RelTol=ON_SQRT_EPSILON) const

Detailed Description

THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF MERCHANTABILITY ARE HEREBY DISCLAIMED.

For complete openNURBS copyright information see http://www.opennurbs.org.

Constructor & Destructor Documentation

◆ ON_CurveOnSurface() [1/2]

ON_CurveOnSurface::ON_CurveOnSurface ( )

◆ ~ON_CurveOnSurface()

virtual ON_CurveOnSurface::~ON_CurveOnSurface ( )

virtual

Remarks: Deletes m_c2, m_c3, and m_s. Use ON_CurveProxy or ON_SurfaceProxy if you need to use curves or a surface that you do not want deleted.

◆ ON_CurveOnSurface() [2/2]

ON_CurveOnSurface::ON_CurveOnSurface	(	ON_Curve *	p2dCurve,
		ON_Curve *	p3dCurve,
		ON_Surface *	pSurface
	)

Parameters: p2dCurve - [in] ~ON_CurveOnSurface() will delete this curve. Use an ON_CurveProxy if you don't want the original deleted. p3dCurve - [in] ~ON_CurveOnSurface() will delete this curve. Use an ON_CurveProxy if you don't want the original deleted. pSurface - [in] ~ON_CurveOnSurface() will delete this surface. Use an ON_SurfaceProxy if you don't want the original deleted.

Parameters

p2dCurve	required 2d curve
p3dCurve	optional 3d curve
pSurface	required surface

Member Function Documentation

◆ Degree()

int ON_CurveOnSurface::Degree ( ) const

overridevirtual

Description: Returns maximum algebraic degree of any span or a good estimate if curve spans are not algebraic. Returns: degree

Implements ON_Curve.

◆ Dimension()

int ON_CurveOnSurface::Dimension ( ) const

overridevirtual

ON_Geometry overrides.

Reimplemented from ON_Geometry.

◆ Domain()

ON_Interval ON_CurveOnSurface::Domain ( ) const

overridevirtual

ON_Curve overrides.

Implements ON_Curve.

◆ Dump()

void ON_CurveOnSurface::Dump ( ON_TextLog & ) const

overridevirtual

for debugging

Reimplemented from ON_Object.

◆ Evaluate()

bool ON_CurveOnSurface::Evaluate	(	double	,
		int	,
		int	,
		double *	,
		int	= `0`,
		int *	= `0`
	)		const

overridevirtual

Domain changes from [a,b] to [-b,-a].

Implements ON_Curve.

◆ GetBBox()

bool ON_CurveOnSurface::GetBBox	(	double *	boxmin,
		double *	boxmax,
		bool	bGrowBox = `false`
	)		const

overridevirtual

virtual ON_Geometry GetBBox override

Reimplemented from ON_Geometry.

◆ GetNurbForm()

int ON_CurveOnSurface::GetNurbForm	(	ON_NurbsCurve &	nurbs_curve,
		double	tolerance = `0.0`,
		const ON_Interval *	subdomain = `nullptr`
	)		const

overridevirtual

Description: Get a NURBS curve representation of this curve. Parameters: nurbs_curve - [out] NURBS representation returned here tolerance - [in] tolerance to use when creating NURBS representation. subdomain - [in] if not nullptr, then the NURBS representation for this portion of the curve is returned. Returns: 0 unable to create NURBS representation with desired accuracy. 1 success - returned NURBS parameterization matches the curve's to wthe desired accuracy 2 success - returned NURBS point locus matches the curve's to the desired accuracy and the domain of the NURBS curve is correct. On However, This curve's parameterization and the NURBS curve parameterization may not match to the desired accuracy. This situation happens when getting NURBS representations of curves that have a transcendental parameterization like circles Remarks: This is a low-level virtual function. If you do not need the parameterization information provided by the return code, then ON_Curve::NurbsCurve may be easier to use. See Also: ON_Curve::NurbsCurve

Reimplemented from ON_Curve.

◆ GetParameterTolerance()

bool ON_CurveOnSurface::GetParameterTolerance	(	double	,
		double *	,
		double *
	)		const

overridevirtual

(optional - override if curve is piecewise smooth)

Reimplemented from ON_Curve.

◆ GetSpanVector()

bool ON_CurveOnSurface::GetSpanVector ( double * span_parameters ) const

overridevirtual

Description: Get number of parameters of "knots". Parameters: span_parameters - [out] an array of length SpanCount()+1 is filled in with the parameters where the curve is not smooth (C-infinity). Returns: true if successful

Implements ON_Curve.

◆ IsArc()

bool ON_CurveOnSurface::IsArc	(	const ON_Plane *	plane = `nullptr`,
		ON_Arc *	arc = `nullptr`,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const

overridevirtual

Description: Test a curve to see if the locus if its points is an arc or circle. Parameters: plane - [in] if not nullptr, test is performed in this plane arc - [out] if not nullptr and true is returned, then arc parameters are filled in tolerance - [in] tolerance to use when checking Returns: ON_Arc.m_angle > 0 if curve locus is an arc between specified points. If ON_Arc.m_angle is 2.0*ON_PI, then the curve is a circle.

Reimplemented from ON_Curve.

◆ IsClosed()

bool ON_CurveOnSurface::IsClosed ( void ) const

overridevirtual

CV = euclidean location of end CV, or curve is

Reimplemented from ON_Curve.

◆ IsInPlane()

bool ON_CurveOnSurface::IsInPlane	(	const ON_Plane &	test_plane,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const

overridevirtual

Description: Test a curve to see if it lies in a specific plane. Parameters: test_plane - [in] tolerance - [in] tolerance to use when checking Returns: true if the maximum distance from the curve to the test_plane is <= tolerance.

Implements ON_Curve.

◆ IsLinear()

bool ON_CurveOnSurface::IsLinear ( double tolerance = ON_ZERO_TOLERANCE ) const

overridevirtual

Description: Test a curve to see if the locus if its points is a line segment. Parameters: tolerance - [in] ///< tolerance to use when checking linearity Returns: true if the ends of the curve are farther than tolerance apart and the maximum distance from any point on the curve to the line segment connecting the curve's ends is <= tolerance.

Reimplemented from ON_Curve.

◆ IsPeriodic()

bool ON_CurveOnSurface::IsPeriodic ( void ) const

overridevirtual

periodic.)

Reimplemented from ON_Curve.

◆ IsPlanar()

bool ON_CurveOnSurface::IsPlanar	(	ON_Plane *	plane = `nullptr`,
		double	tolerance = `ON_ZERO_TOLERANCE`
	)		const

overridevirtual

Description: Test a curve to see if it is planar. Parameters: plane - [out] if not nullptr and true is returned, the plane parameters are filled in. tolerance - [in] tolerance to use when checkin Note: If the curve is a simple planar closed curve the plane orientation agrees with the curve orientation. Returns: true if there is a plane such that the maximum distance from the curve to the plane is <= tolerance.

Reimplemented from ON_Curve.

◆ IsValid()

bool ON_CurveOnSurface::IsValid ( class ON_TextLog * text_log = nullptr ) const

overridevirtual

ON_Object overrides.

Reimplemented from ON_Object.

◆ Read()

bool ON_CurveOnSurface::Read ( ON_BinaryArchive & binary_archive )

overridevirtual

Description: Low level archive writing tool used by ON_BinaryArchive::ReadObject(). Parameters: binary_archive - archive to read from Returns: Returns true if the read is successful. Remarks: Use ON_BinaryArchive::ReadObject() to read objects. This Read() function should read the objects definition back into its data members.

The default implementation of this virtual function returns false and does nothing.

Reimplemented from ON_Object.

◆ Reverse()

bool ON_CurveOnSurface::Reverse ( )

overridevirtual

reverse parameterization

Implements ON_Curve.

◆ SizeOf()

unsigned int ON_CurveOnSurface::SizeOf ( ) const

overridevirtual

virtual ON_Object::SizeOf override

Reimplemented from ON_Curve.

◆ SpanCount()

int ON_CurveOnSurface::SpanCount ( ) const

overridevirtual

number of smooth spans in curve

Implements ON_Curve.

◆ SwapCoordinates()

bool ON_CurveOnSurface::SwapCoordinates	(	int	,
		int
	)

overridevirtual

(optional - default uses Transform for 2d and 3d objects)

Reimplemented from ON_Geometry.

◆ Transform()

bool ON_CurveOnSurface::Transform ( const ON_Xform & xform )

overridevirtual

Description: overrides virtual ON_Geometry::Transform(). ON_Curve::Transform() calls ON_Geometry::Transform(xform), which calls ON_Object::TransformUserData(xform), and then calls this->DestroyCurveTree(). Parameters: xform - [in] transformation to apply to object. Remarks: Classes derived from ON_Curve should call ON_Curve::Transform() to handle user data transformations and curve tree destruction and then transform their definition.

Reimplemented from ON_Curve.

◆ Write()

bool ON_CurveOnSurface::Write ( ON_BinaryArchive & binary_archive ) const

overridevirtual

Description: Low level archive writing tool used by ON_BinaryArchive::WriteObject(). Parameters: binary_archive - archive to write to Returns: Returns true if the write is successful. Remarks: Use ON_BinaryArchive::WriteObject() to write objects. This Write() function should just write the specific definition of this object. It should not write and any chunk typecode or length information.

The default implementation of this virtual function returns false and does nothing.

Reimplemented from ON_Object.

Member Data Documentation

◆ m_c2

ON_Curve* ON_CurveOnSurface::m_c2

Interface.

~ON_CurveOnSurface() deletes these classes. Use a ON_CurveProxy and/or ON_SurfaceProxy wrapper if you don't want the destructor to destroy the curves REQUIRED parameter space (2d) curve

◆ m_c3

ON_Curve* ON_CurveOnSurface::m_c3

OPTIONAL 3d curve (approximation) to srf(crv2(t))

◆ m_s

ON_Surface* ON_CurveOnSurface::m_s

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ON_CurveOnSurface() [1/2]

◆ ~ON_CurveOnSurface()

◆ ON_CurveOnSurface() [2/2]

Member Function Documentation

◆ Degree()

◆ Dimension()

◆ Domain()

◆ Dump()

◆ Evaluate()

◆ GetBBox()

◆ GetNurbForm()

◆ GetParameterTolerance()

◆ GetSpanVector()

◆ IsArc()

◆ IsClosed()

◆ IsInPlane()

◆ IsLinear()

◆ IsPeriodic()

◆ IsPlanar()

◆ IsValid()

◆ Read()

◆ Reverse()

◆ SizeOf()

◆ SpanCount()

◆ SwapCoordinates()

◆ Transform()

◆ Write()

Member Data Documentation

◆ m_c2

◆ m_c3

◆ m_s