Edge geometry, curve, polygon, and continuity accessors. More...

#include <BRepGraph_Tool.hxx>

Static Public Member Functions
static double	Tolerance (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the edge tolerance.

static bool	Degenerated (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns true if the edge is degenerate (collapses to a point on surface).

static bool	SameParameter (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the SameParameter flag.

static bool	SameRange (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the SameRange flag.

static std::pair< double, double >	Range (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the 3D curve parameter range as (first, last).

static const VertexRef &	StartVertexRef (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the start vertex reference entry (carries Location and Orientation).

static const VertexRef &	EndVertexRef (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the end vertex reference entry (carries Location and Orientation).

static BRepGraph_VertexId	StartVertexId (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the start vertex definition id directly (shortcut for `StartVertexRef(...).VertexDefId`). Invalid if the edge has no start vertex.

static BRepGraph_VertexId	EndVertexId (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the end vertex definition id directly (shortcut for `EndVertexRef(...).VertexDefId`). Invalid if the edge has no end vertex.

static bool	HasCurve (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns true if the edge has a 3D curve representation.

static const occ::handle< Geom_Curve > &	Curve (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the raw 3D curve handle (definition frame, no copy).

static occ::handle< Geom_Curve >	Curve (const BRepGraph &theGraph, const CoEdgeUsage &theRef)
	Returns the transformed 3D curve handle via CoEdgeUsage (applies Location, may copy).

static GeomAdaptor_TransformedCurve	CurveAdaptor (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the 3D curve adaptor in definition frame (identity Trsf).

static GeomAdaptor_TransformedCurve	CurveAdaptor (const BRepGraph &theGraph, const CoEdgeUsage &theRef)
	Returns the 3D curve adaptor via CoEdgeUsage (applies edge-in-wire Location in Trsf). Falls back to CurveOnSurface when no 3D curve exists.

static bool	HasPolygon3D (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns true if the edge has a 3D polygon discretization.

static const occ::handle< Poly_Polygon3D > &	Polygon3D (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the 3D polygon handle (definition frame).

static bool	HasContinuity (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge, const BRepGraph_FaceId theFace1, const BRepGraph_FaceId theFace2)
	Returns true if the edge has continuity info between two faces.

static GeomAbs_Shape	Continuity (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge, const BRepGraph_FaceId theFace1, const BRepGraph_FaceId theFace2)
	Returns the geometric continuity between two adjacent faces.

static GeomAbs_Shape	MaxContinuity (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the maximum continuity across all face pairs for this edge.

static uint32_t	NbFaces (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns the number of faces that reference this edge via coedges.

static bool	IsManifold (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns true if the edge is shared by exactly two faces (manifold).

static bool	IsBoundary (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge)
	Returns true if the edge belongs to exactly one face (boundary / free edge).

static bool	IsClosedOnFace (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge, const BRepGraph_FaceId theFace)
	Returns true if the edge has two PCurves on a face (seam/closed surface).

static const CoEdgeDef *	FindPCurve (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge, const BRepGraph_FaceId theFace)
	Finds the CoEdge entity for an edge on a face.

static const CoEdgeDef *	FindPCurve (const BRepGraph &theGraph, const BRepGraph_EdgeId theEdge, const BRepGraph_FaceId theFace, const TopAbs_Orientation theOri)
	Finds the CoEdge entity with specific orientation (for seam edges).

static occ::handle< Adaptor3d_CurveOnSurface >	CurveOnSurface (const BRepGraph &theGraph, const CoEdgeUsage &theRef, const BRepGraph_FaceId theFace)
	Returns a CurveOnSurface adaptor built from a CoEdgeUsage and face.

Detailed Description

Edge geometry, curve, polygon, and continuity accessors.

Provides tolerance, degeneracy, and parameter flags; raw and location-adjusted 3D curve access; polygon discretization; continuity queries between adjacent faces; and PCurve lookup for edge-face contexts including seam edge support.

Member Function Documentation

◆ Continuity()

static GeomAbs_Shape BRepGraph_Tool::Edge::Continuity	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge,
		const BRepGraph_FaceId	theFace1,
		const BRepGraph_FaceId	theFace2 )

static

Returns the geometric continuity between two adjacent faces.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier
[in]	theFace1	typed first face definition identifier
[in]	theFace2	typed second face definition identifier

Returns: continuity order (GeomAbs_C0 if not found)

◆ Curve() [1/2]

static const occ::handle< Geom_Curve > & BRepGraph_Tool::Edge::Curve	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the raw 3D curve handle (definition frame, no copy).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: curve handle, or null handle if no curve

◆ Curve() [2/2]

static occ::handle< Geom_Curve > BRepGraph_Tool::Edge::Curve	(	const BRepGraph &	theGraph,
		const CoEdgeUsage &	theRef )

static

Returns the transformed 3D curve handle via CoEdgeUsage (applies Location, may copy).

Parameters

[in]	theGraph	source graph
[in]	theRef	coedge incidence reference carrying Location

Returns: transformed curve handle

◆ CurveAdaptor() [1/2]

static GeomAdaptor_TransformedCurve BRepGraph_Tool::Edge::CurveAdaptor	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the 3D curve adaptor in definition frame (identity Trsf).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: curve adaptor, or empty adaptor if no curve

◆ CurveAdaptor() [2/2]

static GeomAdaptor_TransformedCurve BRepGraph_Tool::Edge::CurveAdaptor	(	const BRepGraph &	theGraph,
		const CoEdgeUsage &	theRef )

static

Returns the 3D curve adaptor via CoEdgeUsage (applies edge-in-wire Location in Trsf). Falls back to CurveOnSurface when no 3D curve exists.

Parameters

[in]	theGraph	source graph
[in]	theRef	coedge incidence reference carrying Location

Returns: curve adaptor with Location applied

◆ CurveOnSurface()

static occ::handle< Adaptor3d_CurveOnSurface > BRepGraph_Tool::Edge::CurveOnSurface	(	const BRepGraph &	theGraph,
		const CoEdgeUsage &	theRef,
		const BRepGraph_FaceId	theFace )

static

Returns a CurveOnSurface adaptor built from a CoEdgeUsage and face.

Parameters

[in]	theGraph	source graph
[in]	theRef	coedge incidence reference
[in]	theFace	typed face definition identifier

Returns: adaptor handle, or null if PCurve or surface is missing

◆ Degenerated()

static bool BRepGraph_Tool::Edge::Degenerated	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns true if the edge is degenerate (collapses to a point on surface).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if degenerate

◆ EndVertexId()

static BRepGraph_VertexId BRepGraph_Tool::Edge::EndVertexId	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the end vertex definition id directly (shortcut for EndVertexRef(...).VertexDefId). Invalid if the edge has no end vertex.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: end vertex id

◆ EndVertexRef()

static const VertexRef & BRepGraph_Tool::Edge::EndVertexRef	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the end vertex reference entry (carries Location and Orientation).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: const reference to the end VertexRef

◆ FindPCurve() [1/2]

static const CoEdgeDef * BRepGraph_Tool::Edge::FindPCurve	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge,
		const BRepGraph_FaceId	theFace )

static

Finds the CoEdge entity for an edge on a face.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier
[in]	theFace	typed face definition identifier

Returns: pointer to CoEdgeDef, or nullptr if not found

◆ FindPCurve() [2/2]

static const CoEdgeDef * BRepGraph_Tool::Edge::FindPCurve	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge,
		const BRepGraph_FaceId	theFace,
		const TopAbs_Orientation	theOri )

static

Finds the CoEdge entity with specific orientation (for seam edges).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier
[in]	theFace	typed face definition identifier
[in]	theOri	edge orientation on the face

Returns: pointer to CoEdgeDef, or nullptr if not found

◆ HasContinuity()

static bool BRepGraph_Tool::Edge::HasContinuity	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge,
		const BRepGraph_FaceId	theFace1,
		const BRepGraph_FaceId	theFace2 )

static

Returns true if the edge has continuity info between two faces.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier
[in]	theFace1	typed first face definition identifier
[in]	theFace2	typed second face definition identifier

Returns: true if continuity is recorded

◆ HasCurve()

static bool BRepGraph_Tool::Edge::HasCurve	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns true if the edge has a 3D curve representation.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if edge has a 3D curve

◆ HasPolygon3D()

static bool BRepGraph_Tool::Edge::HasPolygon3D	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns true if the edge has a 3D polygon discretization.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if edge has a polygon

◆ IsBoundary()

static bool BRepGraph_Tool::Edge::IsBoundary	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns true if the edge belongs to exactly one face (boundary / free edge).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if boundary

◆ IsClosedOnFace()

static bool BRepGraph_Tool::Edge::IsClosedOnFace	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge,
		const BRepGraph_FaceId	theFace )

static

Returns true if the edge has two PCurves on a face (seam/closed surface).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier
[in]	theFace	typed face definition identifier

Returns: true if the edge is a seam on this face

◆ IsManifold()

static bool BRepGraph_Tool::Edge::IsManifold	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns true if the edge is shared by exactly two faces (manifold).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if manifold

◆ MaxContinuity()

static GeomAbs_Shape BRepGraph_Tool::Edge::MaxContinuity	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the maximum continuity across all face pairs for this edge.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: maximum continuity order

◆ NbFaces()

static uint32_t BRepGraph_Tool::Edge::NbFaces	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the number of faces that reference this edge via coedges.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: face count

◆ Polygon3D()

static const occ::handle< Poly_Polygon3D > & BRepGraph_Tool::Edge::Polygon3D	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the 3D polygon handle (definition frame).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: polygon handle, or null handle if no polygon

◆ Range()

static std::pair< double, double > BRepGraph_Tool::Edge::Range	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the 3D curve parameter range as (first, last).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: pair of (first, last) parameters

◆ SameParameter()

static bool BRepGraph_Tool::Edge::SameParameter	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the SameParameter flag.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if all PCurves are reparametrized to the same range as the 3D curve

◆ SameRange()

static bool BRepGraph_Tool::Edge::SameRange	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the SameRange flag.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: true if PCurve parameter range equals the 3D curve range

◆ StartVertexId()

static BRepGraph_VertexId BRepGraph_Tool::Edge::StartVertexId	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the start vertex definition id directly (shortcut for StartVertexRef(...).VertexDefId). Invalid if the edge has no start vertex.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: start vertex id

◆ StartVertexRef()

static const VertexRef & BRepGraph_Tool::Edge::StartVertexRef	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the start vertex reference entry (carries Location and Orientation).

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: const reference to the start VertexRef

◆ Tolerance()

static double BRepGraph_Tool::Edge::Tolerance	(	const BRepGraph &	theGraph,
		const BRepGraph_EdgeId	theEdge )

static

Returns the edge tolerance.

Parameters

[in]	theGraph	source graph
[in]	theEdge	typed edge definition identifier

Returns: tolerance value

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

BRepGraph_Tool.hxx

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ Continuity()

◆ Curve() [1/2]

◆ Curve() [2/2]

◆ CurveAdaptor() [1/2]

◆ CurveAdaptor() [2/2]

◆ CurveOnSurface()

◆ Degenerated()

◆ EndVertexId()

◆ EndVertexRef()

◆ FindPCurve() [1/2]

◆ FindPCurve() [2/2]

◆ HasContinuity()

◆ HasCurve()

◆ HasPolygon3D()

◆ IsBoundary()

◆ IsClosedOnFace()

◆ IsManifold()

◆ MaxContinuity()

◆ NbFaces()

◆ Polygon3D()

◆ Range()

◆ SameParameter()

◆ SameRange()

◆ StartVertexId()

◆ StartVertexRef()

◆ Tolerance()