#include <BRepOffset_Tool.hxx>

Static Public Member Functions
static void	EdgeVertices (const TopoDS_Edge &E, TopoDS_Vertex &V1, TopoDS_Vertex &V2)
	<V1> is the FirstVertex ,<V2> is the Last Vertex of <Edge> taking account the orientation of Edge.

static void	OrientSection (const TopoDS_Edge &E, const TopoDS_Face &F1, const TopoDS_Face &F2, TopAbs_Orientation &O1, TopAbs_Orientation &O2)
	<E> is a section between <F1> and <F2>. Computes <O1> the orientation of <E> in <F1> influenced by <F2>. idem for <O2>.

static bool	FindCommonShapes (const TopoDS_Face &theF1, const TopoDS_Face &theF2, NCollection_List< TopoDS_Shape > &theLE, NCollection_List< TopoDS_Shape > &theLV)
	Looks for the common Vertices and Edges between faces <theF1> and <theF2>. Returns TRUE if common shapes have been found. <theLE> will contain the found common edges; <theLV> will contain the found common vertices.

static bool	FindCommonShapes (const TopoDS_Shape &theS1, const TopoDS_Shape &theS2, const TopAbs_ShapeEnum theType, NCollection_List< TopoDS_Shape > &theLSC)
	Looks for the common shapes of type <theType> between shapes <theS1> and <theS2>. Returns TRUE if common shapes have been found. <theLSC> will contain the found common shapes.

static void	Inter3D (const TopoDS_Face &F1, const TopoDS_Face &F2, NCollection_List< TopoDS_Shape > &LInt1, NCollection_List< TopoDS_Shape > &LInt2, const TopAbs_State Side, const TopoDS_Edge &RefEdge, const TopoDS_Face &RefFace1, const TopoDS_Face &RefFace2)
	Computes the Section between <F1> and <F2> the edges solution are stored in <LInt1> with the orientation on <F1>, the sames edges are stored in <Lint2> with the orientation on <F2>.

static bool	TryProject (const TopoDS_Face &F1, const TopoDS_Face &F2, const NCollection_List< TopoDS_Shape > &Edges, NCollection_List< TopoDS_Shape > &LInt1, NCollection_List< TopoDS_Shape > &LInt2, const TopAbs_State Side, const double TolConf)
	Find if the edges <Edges> of the face <F2> are on the face <F1>. Set in <LInt1> <LInt2> the updated edges. If all the edges are computed, returns true.

static void	PipeInter (const TopoDS_Face &F1, const TopoDS_Face &F2, NCollection_List< TopoDS_Shape > &LInt1, NCollection_List< TopoDS_Shape > &LInt2, const TopAbs_State Side)

static void	Inter2d (const TopoDS_Face &F, const TopoDS_Edge &E1, const TopoDS_Edge &E2, NCollection_List< TopoDS_Shape > &LV, const double Tol)

static void	InterOrExtent (const TopoDS_Face &F1, const TopoDS_Face &F2, NCollection_List< TopoDS_Shape > &LInt1, NCollection_List< TopoDS_Shape > &LInt2, const TopAbs_State Side)

static void	CheckBounds (const TopoDS_Face &F, const BRepOffset_Analyse &Analyse, bool &enlargeU, bool &enlargeVfirst, bool &enlargeVlast)

static bool	EnLargeFace (const TopoDS_Face &F, TopoDS_Face &NF, const bool ChangeGeom, const bool UpDatePCurve=false, const bool enlargeU=true, const bool enlargeVfirst=true, const bool enlargeVlast=true, const int theExtensionMode=1, const double theLenBeforeUfirst=-1., const double theLenAfterUlast=-1., const double theLenBeforeVfirst=-1., const double theLenAfterVlast=-1.)
	Returns True if The Surface of <NF> has changed. if <ChangeGeom> is TRUE the surface can be changed . if <UpdatePCurve> is TRUE, update the pcurves of the edges of <F> on the new surface if the surface has been changed. <enlargeU>, <enlargeVfirst>, <enlargeVlast> allow or forbid enlargement in U and V directions correspondingly. <theExtensionMode> is a mode of extension of the surface of the face: if <theExtensionMode> equals 1, potentially infinite surfaces are extended by maximum value, and limited surfaces are extended by 25%. if <theExtensionMode> equals 2, potentially infinite surfaces are extended by 10*(correspondent size of face), and limited surfaces are extended by 100%. <theLenBeforeUfirst>, <theLenAfterUlast>, <theLenBeforeVfirst>, <theLenAfterVlast> set the values of enlargement on correspondent directions. If some of them equals -1, the default value of enlargement is used.

static void	ExtentFace (const TopoDS_Face &F, NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &ConstShapes, NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &ToBuild, const TopAbs_State Side, const double TolConf, TopoDS_Face &NF)

static void	BuildNeighbour (const TopoDS_Wire &W, const TopoDS_Face &F, NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &NOnV1, NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &NOnV2)
	Via the wire explorer store in <NOnV1> for an Edge <E> of <W> his Edge neighbour on the first vertex <V1> of <E>. Store in NOnV2 the Neighbour of <E>on the last vertex <V2> of <E>.

static void	MapVertexEdges (const TopoDS_Shape &S, NCollection_DataMap< TopoDS_Shape, NCollection_List< TopoDS_Shape >, TopTools_ShapeMapHasher > &MVE)
	Store in MVE for a vertex <V> in ~~the incident edges <E> in ~~. An Edge is Store only one Time for a vertex.~~~~

static TopoDS_Shape	Deboucle3D (const TopoDS_Shape &S, const NCollection_Map< TopoDS_Shape, TopTools_ShapeMapHasher > &Boundary)
	Remove the non valid part of an offsetshape 1 - Remove all the free boundary and the faces connex to such edges. 2 - Remove all the shapes not valid in the result (according to the side of offsetting) in this version only the first point is implemented.

static void	CorrectOrientation (const TopoDS_Shape &SI, const NCollection_IndexedMap< TopoDS_Shape, TopTools_ShapeMapHasher > &NewEdges, const occ::handle< BRepAlgo_AsDes > &AsDes, BRepAlgo_Image &InitOffset, const double Offset)

static double	Gabarit (const occ::handle< Geom_Curve > &aCurve)

static bool	CheckPlanesNormals (const TopoDS_Face &theFace1, const TopoDS_Face &theFace2, const double theTolAng=1.e-8)
	Compares the normal directions of the planar faces and returns TRUE if the directions are the same with the given precision.

Member Function Documentation

◆ BuildNeighbour()

static void BRepOffset_Tool::BuildNeighbour	(	const TopoDS_Wire &	W,
		const TopoDS_Face &	F,
		NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &	NOnV1,
		NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &	NOnV2 )

static

Via the wire explorer store in <NOnV1> for an Edge <E> of <W> his Edge neighbour on the first vertex <V1> of <E>. Store in NOnV2 the Neighbour of <E>on the last vertex <V2> of <E>.

◆ CheckBounds()

static void BRepOffset_Tool::CheckBounds	(	const TopoDS_Face &	F,
		const BRepOffset_Analyse &	Analyse,
		bool &	enlargeU,
		bool &	enlargeVfirst,
		bool &	enlargeVlast )

static

◆ CheckPlanesNormals()

static bool BRepOffset_Tool::CheckPlanesNormals	(	const TopoDS_Face &	theFace1,
		const TopoDS_Face &	theFace2,
		const double	theTolAng = 1.e-8 )

static

Compares the normal directions of the planar faces and returns TRUE if the directions are the same with the given precision.

◆ CorrectOrientation()

static void BRepOffset_Tool::CorrectOrientation	(	const TopoDS_Shape &	SI,
		const NCollection_IndexedMap< TopoDS_Shape, TopTools_ShapeMapHasher > &	NewEdges,
		const occ::handle< BRepAlgo_AsDes > &	AsDes,
		BRepAlgo_Image &	InitOffset,
		const double	Offset )

static

◆ Deboucle3D()

static TopoDS_Shape BRepOffset_Tool::Deboucle3D	(	const TopoDS_Shape &	S,
		const NCollection_Map< TopoDS_Shape, TopTools_ShapeMapHasher > &	Boundary )

static

Remove the non valid part of an offsetshape 1 - Remove all the free boundary and the faces connex to such edges. 2 - Remove all the shapes not valid in the result (according to the side of offsetting) in this version only the first point is implemented.

◆ EdgeVertices()

static void BRepOffset_Tool::EdgeVertices	(	const TopoDS_Edge &	E,
		TopoDS_Vertex &	V1,
		TopoDS_Vertex &	V2 )

static

<V1> is the FirstVertex ,<V2> is the Last Vertex of <Edge> taking account the orientation of Edge.

◆ EnLargeFace()

static bool BRepOffset_Tool::EnLargeFace	(	const TopoDS_Face &	F,
		TopoDS_Face &	NF,
		const bool	ChangeGeom,
		const bool	UpDatePCurve = false,
		const bool	enlargeU = true,
		const bool	enlargeVfirst = true,
		const bool	enlargeVlast = true,
		const int	theExtensionMode = 1,
		const double	theLenBeforeUfirst = -1.,
		const double	theLenAfterUlast = -1.,
		const double	theLenBeforeVfirst = -1.,
		const double	theLenAfterVlast = -1. )

static

Returns True if The Surface of <NF> has changed. if <ChangeGeom> is TRUE the surface can be changed . if <UpdatePCurve> is TRUE, update the pcurves of the edges of <F> on the new surface if the surface has been changed. <enlargeU>, <enlargeVfirst>, <enlargeVlast> allow or forbid enlargement in U and V directions correspondingly. <theExtensionMode> is a mode of extension of the surface of the face: if <theExtensionMode> equals 1, potentially infinite surfaces are extended by maximum value, and limited surfaces are extended by 25%. if <theExtensionMode> equals 2, potentially infinite surfaces are extended by 10*(correspondent size of face), and limited surfaces are extended by 100%. <theLenBeforeUfirst>, <theLenAfterUlast>, <theLenBeforeVfirst>, <theLenAfterVlast> set the values of enlargement on correspondent directions. If some of them equals -1, the default value of enlargement is used.

◆ ExtentFace()

static void BRepOffset_Tool::ExtentFace	(	const TopoDS_Face &	F,
		NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &	ConstShapes,
		NCollection_DataMap< TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher > &	ToBuild,
		const TopAbs_State	Side,
		const double	TolConf,
		TopoDS_Face &	NF )

static

◆ FindCommonShapes() [1/2]

static bool BRepOffset_Tool::FindCommonShapes	(	const TopoDS_Face &	theF1,
		const TopoDS_Face &	theF2,
		NCollection_List< TopoDS_Shape > &	theLE,
		NCollection_List< TopoDS_Shape > &	theLV )

static

Looks for the common Vertices and Edges between faces <theF1> and <theF2>. Returns TRUE if common shapes have been found. <theLE> will contain the found common edges; <theLV> will contain the found common vertices.

◆ FindCommonShapes() [2/2]

static bool BRepOffset_Tool::FindCommonShapes	(	const TopoDS_Shape &	theS1,
		const TopoDS_Shape &	theS2,
		const TopAbs_ShapeEnum	theType,
		NCollection_List< TopoDS_Shape > &	theLSC )

static

Looks for the common shapes of type <theType> between shapes <theS1> and <theS2>. Returns TRUE if common shapes have been found. <theLSC> will contain the found common shapes.

◆ Gabarit()

static double BRepOffset_Tool::Gabarit ( const occ::handle< Geom_Curve > & aCurve )

static

◆ Inter2d()

static void BRepOffset_Tool::Inter2d	(	const TopoDS_Face &	F,
		const TopoDS_Edge &	E1,
		const TopoDS_Edge &	E2,
		NCollection_List< TopoDS_Shape > &	LV,
		const double	Tol )

static

◆ Inter3D()

static void BRepOffset_Tool::Inter3D	(	const TopoDS_Face &	F1,
		const TopoDS_Face &	F2,
		NCollection_List< TopoDS_Shape > &	LInt1,
		NCollection_List< TopoDS_Shape > &	LInt2,
		const TopAbs_State	Side,
		const TopoDS_Edge &	RefEdge,
		const TopoDS_Face &	RefFace1,
		const TopoDS_Face &	RefFace2 )

static

Computes the Section between <F1> and <F2> the edges solution are stored in <LInt1> with the orientation on <F1>, the sames edges are stored in <Lint2> with the orientation on <F2>.

◆ InterOrExtent()

static void BRepOffset_Tool::InterOrExtent	(	const TopoDS_Face &	F1,
		const TopoDS_Face &	F2,
		NCollection_List< TopoDS_Shape > &	LInt1,
		NCollection_List< TopoDS_Shape > &	LInt2,
		const TopAbs_State	Side )

static

◆ MapVertexEdges()

static void BRepOffset_Tool::MapVertexEdges	(	const TopoDS_Shape &	S,
		NCollection_DataMap< TopoDS_Shape, NCollection_List< TopoDS_Shape >, TopTools_ShapeMapHasher > &	MVE )

static

Store in MVE for a vertex <V> in ~~the incident edges <E> in ~~. An Edge is Store only one Time for a vertex.~~~~

◆ OrientSection()

static void BRepOffset_Tool::OrientSection	(	const TopoDS_Edge &	E,
		const TopoDS_Face &	F1,
		const TopoDS_Face &	F2,
		TopAbs_Orientation &	O1,
		TopAbs_Orientation &	O2 )

static

<E> is a section between <F1> and <F2>. Computes <O1> the orientation of <E> in <F1> influenced by <F2>. idem for <O2>.

◆ PipeInter()

static void BRepOffset_Tool::PipeInter	(	const TopoDS_Face &	F1,
		const TopoDS_Face &	F2,
		NCollection_List< TopoDS_Shape > &	LInt1,
		NCollection_List< TopoDS_Shape > &	LInt2,
		const TopAbs_State	Side )

static

◆ TryProject()

static bool BRepOffset_Tool::TryProject	(	const TopoDS_Face &	F1,
		const TopoDS_Face &	F2,
		const NCollection_List< TopoDS_Shape > &	Edges,
		NCollection_List< TopoDS_Shape > &	LInt1,
		NCollection_List< TopoDS_Shape > &	LInt2,
		const TopAbs_State	Side,
		const double	TolConf )

static

Find if the edges <Edges> of the face <F2> are on the face <F1>. Set in <LInt1> <LInt2> the updated edges. If all the edges are computed, returns true.

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

BRepOffset_Tool.hxx

Static Public Member Functions

Member Function Documentation

◆ BuildNeighbour()

◆ CheckBounds()

◆ CheckPlanesNormals()

◆ CorrectOrientation()

◆ Deboucle3D()

◆ EdgeVertices()

◆ EnLargeFace()

◆ ExtentFace()

◆ FindCommonShapes() [1/2]

◆ FindCommonShapes() [2/2]

◆ Gabarit()

◆ Inter2d()

◆ Inter3D()

◆ InterOrExtent()

◆ MapVertexEdges()

◆ OrientSection()

◆ PipeInter()

◆ TryProject()