Collaboration diagram for Topological Objects:

Classes
class	MbVertex
	Vertex. More...

class	MbEdge
	Edge. More...

class	MbCurveEdge
	Face edge. More...

class	MbOrientedEdge
	Oriented edge. More...

class	MbLoop
	Face loop. More...

struct	LoopCrossParam
	Parameter of loops self-intersection. More...

class	MbFace
	Face. More...

class	MbFaceShell
	Shell or set of faces. More...

class	MbLabel
	A label for performing of operations. More...

class	MbTopItem
	Topological object in three-dimensional space. More...

class	MbTopologyItem
	Topological object with name. More...

class	MbTopologyProxy
	Topology object proxy. More...

Enumerations
enum	MbeTopologyType { tt_Undefined = 0 , tt_TopItem = 1 , tt_Proxy = 10 , tt_Vertex = 101 , tt_Edge = 201 , tt_CurveEdge = 202 , tt_OrientedEdge = 203 , tt_Loop = 301 , tt_Face = 401 , tt_FaceShell = 501 , tt_FreeItem = 600 }
	Types of topological objects. More...

enum	MbeChangedType { tct_Unchanged = 0x0000 , tct_Modified = 0x0001 , tct_Created = 0x0002 , tct_Transformed = 0x0004 , tct_Reoriented = 0x0008 , tct_Deleted = 0x0010 , tct_Truncated = 0x0020 , tct_Merged = 0x0040 , tct_Replaced = 0x0080 , tct_Added = 0x0100 , tct_Renamed = 0x0200 }
	The types of modification states of a topological object. More...

Functions
bool	MbFace::GetNearestEdge (const MbCartPoint &pOnSurface, c3d::IndicesPair &edgeIndex, double &tEdgeCurve, bool &orientation, double &distance, double paramEpsilon=Math::paramEpsilon) const
	Find the closest edge in 2d to a specific point via projection. More...

double	MbFace::DistanceToBorder (const MbCartPoint &point, double &precision) const
	Find a parametric distance to the nearest boundary. More...

double	MbFace::DistanceToBorder (const MbCartPoint &point, MbVector &normal, size_t &loopNumber, size_t &edgeNumber, ptrdiff_t &corner, double &tEdgeCurve, double &precision) const
	Find a parametric distance to the nearest boundary. More...

MbeItemLocation	MbFace::NearPointProjection (const MbCartPoint3D &point, double &u, double &v, MbVector3D &normal, c3d::IndicesPair &edgeLoc, ptrdiff_t &corner) const
	Find the nearest projection of the point on face. More...

virtual void	MbTopologyItem::Transform (const MbMatrix3D &matr, MbRegTransform *iReg=nullptr)=0
	Transform according to the matrix. More...

virtual void	MbTopologyItem::Move (const MbVector3D &to, MbRegTransform *iReg=nullptr)=0
	Move along a vector. More...

virtual void	MbTopologyItem::Rotate (const MbAxis3D &axis, double angle, MbRegTransform *iReg=nullptr)=0
	Rotate around an axis. More...

Detailed Description

Enumeration Type Documentation

◆ MbeTopologyType

enum MbeTopologyType

Types of topological objects.

Enumerator
tt_Undefined	Unknown object.
tt_TopItem	A topological object. .
tt_Proxy	A topological object proxy. .
tt_Vertex	A vertex.
tt_Edge	An edge passing along a curve.
tt_CurveEdge	An edge passing along a surface intersection curve.
tt_OrientedEdge	Oriented edge.
tt_Loop	A loop.
tt_Face	A face. .
tt_FaceShell	A set of faces. .
tt_FreeItem	Type for the user-defined objects.

◆ MbeChangedType

enum MbeChangedType

The types of modification states of a topological object.

Enumerator
tct_Unchanged	Unchanged.
tct_Modified	Modified.
tct_Created	Created (new).
tct_Transformed	Transformed.
tct_Reoriented	Reoriented.
tct_Deleted	Deleted (object's element or link).
tct_Truncated	Cut, truncated or extended.
tct_Merged	Merged or sewn (stitched).
tct_Replaced	Replaced.
tct_Added	Added or inserted (object's element).
tct_Renamed	Renamed.

Function Documentation

◆ GetNearestEdge()

bool MbFace::GetNearestEdge	(	const MbCartPoint &	pOnSurface,
		c3d::IndicesPair &	edgeIndex,
		double &	tEdgeCurve,
		bool &	orientation,
		double &	distance,
		double	paramEpsilon = `Math::paramEpsilon`
	)		const

Find the closest edge in 2d to a specific point via projection.

The point must contain coordinates on the UV-area of the surface corresponding to the face. The search is perfrormed namely in 2d on the surface by projecting on the bounding curves. In 3d result may be different.

Parameters

[in]	pOnSurface	- A point on the face's surface, in uv-area of the surface.
[out]	edgeIndex	- An index of found edge, where edgeIndex.first - face loop number, edgeIndex.second - edge number in loop.
[out]	tEdgeCurve	- A t-parameter of the edge's 2d-curve closest to the pOnSurface. Curve corresponds to this face.
[out]	orientation	- Found edge orientation.
[out]	distance	- Distance between pOnSurface and edge in 2d UV-area of the face's surface.
[in]	paramEpsilon	- Parameteric precision (is normalised on dU and dV).

Returns: Returns true if the edge is found.

◆ DistanceToBorder() [1/2]

double MbFace::DistanceToBorder	(	const MbCartPoint &	point,
		double &	precision
	)		const

Find a parametric distance to the nearest boundary.

The calculated distance is positive if the point is inside, and is negative if it is outside.

Parameters

[in]	point	- A point.
[out]	precision	- Precision of calculation.

Returns: Returns the distance to the nearest boundary in 2D space of the surface parameters.

◆ DistanceToBorder() [2/2]

double MbFace::DistanceToBorder	(	const MbCartPoint &	point,
		MbVector &	normal,
		size_t &	loopNumber,
		size_t &	edgeNumber,
		ptrdiff_t &	corner,
		double &	tEdgeCurve,
		double &	precision
	)		const

Find a parametric distance to the nearest boundary.

The calculated distance is positive if the point is inside, and is negative if it is outside.

Parameters

[in]	point	- A point.
[out]	normal	- Two-dimensional normal of border at its closest point.
[out]	loopNumber	- Index of nearest loop.
[out]	edgeNumber	- Index of nearest edge.
[out]	corner	- 0, if the projection is not located on the edge, 1, if the projection is located at the end of the oriented edge with index edgeLoc, -1, if the projection is located at the begining of the oriented edge with index edgeLoc.
[out]	tEdgeCurve	- Curve parameter of the nearest edge.
[out]	precision	- Precision of calculation.

Returns: Returns the distance to the nearest boundary in 2D space of the surface parameters.

◆ NearPointProjection()

MbeItemLocation MbFace::NearPointProjection	(	const MbCartPoint3D &	point,
		double &	u,
		double &	v,
		MbVector3D &	normal,
		c3d::IndicesPair &	edgeLoc,
		ptrdiff_t &	corner
	)		const

Find the nearest projection of the point on face.

Find the nearest projection of the point on face or it border.

Parameters

[in]	point	- A point.
[out]	u	- Found u parameter of surface.
[out]	v	- Found v parameter of surface.
[out]	normal	- Normal of surface or boundaries (edges or vertices) at the point of the projection.
[out]	edgeLoc	- If the projection is not no the edge, then SYS_MAX_T, SYS_MAX_T. If the projection is on the edge, then the loop index and edge index in the loop.
[out]	corner	- 0, if the projection is not located on the edge, 1, if the projection is located at the end of the oriented edge with index edgeLoc, -1, if the projection is located at the begining of the oriented edge with index edgeLoc.

Returns: Returns the location of the projection point relative to the surface boundaries.

◆ Transform()

virtual void MbTopologyItem::Transform	(	const MbMatrix3D &	matr,
		MbRegTransform *	iReg = `nullptr`
	)

pure virtual

Transform according to the matrix.

Transformation of an object according to the matrix. This object can be contained as pointer in several other objects for transformations. Registrar is used to prevent multiple transformation of this object. When transforming the object with registrator, the existence of the object inside the registrator is verified. If such object is absent, it is stored to the registrator and transformed, otherwise, a transformation of the object is not performed.

Parameters

[in]	matr	- A transformation matrix.
[in]	iReg	- Registrator.

Implemented in MbTopologyProxy, MbFace, MbEdge, and MbVertex.

◆ Move()

virtual void MbTopologyItem::Move	(	const MbVector3D &	to,
		MbRegTransform *	iReg = `nullptr`
	)

pure virtual

Move along a vector.

Move an object along a vector. When transforming the object with registrator, the existence of the object inside the registrator is verified. If such object is absent, it is stored to the registrator and transformed, otherwise, a transformation of the object is not performed.

Parameters

[in]	to	- Translation vector.
[in]	iReg	- Registrator.

Implemented in MbTopologyProxy, MbFace, MbEdge, and MbVertex.

◆ Rotate()

virtual void MbTopologyItem::Rotate	(	const MbAxis3D &	axis,
		double	angle,
		MbRegTransform *	iReg = `nullptr`
	)

pure virtual

Rotate around an axis.

Rotate an object at a given angle around an axis. When transforming the object with registrator, the existence of the object inside the registrator is verified. If such object is absent, it is stored to the registrator and transformed, otherwise, a transformation of the object is not performed.

Parameters

[in]	axis	- Rotation axis.
[in]	angle	- The rotation angle.
[in]	iReg	- Registrator.

Implemented in MbTopologyProxy, MbFace, MbEdge, and MbVertex.

Classes

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ MbeTopologyType

◆ MbeChangedType

Function Documentation

◆ GetNearestEdge()

◆ DistanceToBorder() [1/2]

◆ DistanceToBorder() [2/2]

◆ NearPointProjection()

◆ Transform()

◆ Move()

◆ Rotate()