The class contains handy static functions dealing with the topology This is the copy of the BOPTools_AlgoTools2D.cdl. More...

#include <BOPTools_AlgoTools2D.hxx>

Static Public Member Functions
static void	BuildPCurveForEdgeOnFace (const TopoDS_Edge &aE, const TopoDS_Face &aF)
	Compute P-Curve for the edge <aE> on the face <aF> Raises exception Standard_ConstructionError if projection algorithm fails. More...

static Standard_Boolean	EdgeTangent (const TopoDS_Edge &anE, const Standard_Real aT, gp_Vec &Tau)
	Compute tangent for the edge <aE> [in 3D] at parameter <aT> More...

static void	PointOnSurface (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, Standard_Real &U, Standard_Real &V)
	Compute surface parameters <U,V> of the face <aF> for the point from the edge <aE> at parameter <aT>. If <aE> has't pcurve on surface, algorithm tries to get it by projection and can raise exception Standard_ConstructionError if projection algorithm fails. More...

static void	CurveOnSurface (const TopoDS_Edge &aE, const TopoDS_Face &aF, Handle< Geom2d_Curve > &aC, Standard_Real &aToler)
	Get P-Curve <aC> for the edge <aE> on surface <aF> . If the P-Curve does not exist, build it using Make2D(). [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm Make2D() fails. More...

static void	CurveOnSurface (const TopoDS_Edge &aE, const TopoDS_Face &aF, Handle< Geom2d_Curve > &aC, Standard_Real &aFirst, Standard_Real &aLast, Standard_Real &aToler)
	Get P-Curve <aC> for the edge <aE> on surface <aF> . If the P-Curve does not exist, build it using Make2D(). [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm Make2D() fails. More...

static Standard_Boolean	HasCurveOnSurface (const TopoDS_Edge &aE, const TopoDS_Face &aF, Handle< Geom2d_Curve > &aC, Standard_Real &aFirst, Standard_Real &aLast, Standard_Real &aToler)
	Returns TRUE if the edge <aE> has P-Curve <aC> on surface <aF> . [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance If the P-Curve does not exist, aC.IsNull()=TRUE. More...

static Standard_Boolean	HasCurveOnSurface (const TopoDS_Edge &aE, const TopoDS_Face &aF)
	Returns TRUE if the edge <aE> has P-Curve <aC> on surface <aF> . If the P-Curve does not exist, aC.IsNull()=TRUE. More...

static void	AdjustPCurveOnFace (const TopoDS_Face &aF, const Handle< Geom_Curve > &C3D, const Handle< Geom2d_Curve > &aC2D, Handle< Geom2d_Curve > &aC2DA)
	Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . More...

static void	AdjustPCurveOnFace (const TopoDS_Face &aF, const Standard_Real aT1, const Standard_Real aT2, const Handle< Geom2d_Curve > &aC2D, Handle< Geom2d_Curve > &aC2DA)
	Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . [aT1, aT2] - range to adjust. More...

static void	AdjustPCurveOnFace (const BRepAdaptor_Surface &aF, const Standard_Real aT1, const Standard_Real aT2, const Handle< Geom2d_Curve > &aC2D, Handle< Geom2d_Curve > &aC2DA)
	Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . [aT1, aT2] - range to adjust. More...

static Standard_Real	IntermediatePoint (const Standard_Real aFirst, const Standard_Real aLast)
	Compute intermediate value in between [aFirst, aLast] . More...

static Standard_Real	IntermediatePoint (const TopoDS_Edge &anE)
	Compute intermediate value of parameter for the edge <anE>. More...

static void	BuildPCurveForEdgeOnPlane (const TopoDS_Edge &theE, const TopoDS_Face &theF)
	Build pcurve of edge on face if the surface is plane, and update the edge. More...

static void	BuildPCurveForEdgeOnPlane (const TopoDS_Edge &theE, const TopoDS_Face &theF, Handle< Geom2d_Curve > &aC2D, Standard_Boolean &bToUpdate)
	Build pcurve of edge on face if the surface is plane, but do not update the edge. The output are the pcurve and the flag telling that pcurve was built. More...

static void	BuildPCurveForEdgesOnPlane (const BOPCol_ListOfShape &theLE, const TopoDS_Face &theF)

static void	Make2D (const TopoDS_Edge &aE, const TopoDS_Face &aF, Handle< Geom2d_Curve > &aC, Standard_Real &aFirst, Standard_Real &aLast, Standard_Real &aToler)
	Make P-Curve <aC> for the edge <aE> on surface <aF> . [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm fails. More...

static void	MakePCurveOnFace (const TopoDS_Face &aF, const Handle< Geom_Curve > &C3D, Handle< Geom2d_Curve > &aC, Standard_Real &aToler)
	Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> . [aToler] - reached tolerance Raises exception Standard_ConstructionError if projection algorithm fails. More...

static void	MakePCurveOnFace (const TopoDS_Face &aF, const Handle< Geom_Curve > &C3D, const Standard_Real aT1, const Standard_Real aT2, Handle< Geom2d_Curve > &aC, Standard_Real &aToler)
	Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> . [aT1, aT2] - range to build [aToler] - reached tolerance Raises exception Standard_ConstructionError if projection algorithm fails. More...

static void	MakePCurveOfType (const ProjLib_ProjectedCurve &PC, Handle< Geom2d_Curve > &aC)
	Make empty P-Curve <aC> of relevant to <PC> type. More...

static Standard_Integer	AttachExistingPCurve (const TopoDS_Edge &aEold, const TopoDS_Edge &aEnew, const TopoDS_Face &aF, const Handle< IntTools_Context > &aCtx)
	Attach P-Curve from the edge <aEold> on surface <aF> to the edge <aEnew> Returns 0 in case of success. More...

static void	IsEdgeIsoline (const TopoDS_Edge &theE, const TopoDS_Face &theF, Standard_Boolean &isTheUIso, Standard_Boolean &isTheVIso)
	Checks if CurveOnSurface of theE on theF matches with isoline of theF surface. Sets corresponding values for isTheUIso and isTheVIso variables. ATTENTION!!! This method is based on comparation between direction of surface (which theF is based on) iso-lines and the direction of the edge p-curve (on theF) in middle-point of the p-curve. This method should be used carefully (e.g. BRep_Tool::IsClosed(...) together) in order to avoid false classification some p-curves as isoline (e.g. circle on a plane). More...

Detailed Description

The class contains handy static functions dealing with the topology This is the copy of the BOPTools_AlgoTools2D.cdl.

Member Function Documentation

static void BOPTools_AlgoTools2D::AdjustPCurveOnFace	(	const TopoDS_Face &	aF,
		const Handle< Geom_Curve > &	C3D,
		const Handle< Geom2d_Curve > &	aC2D,
		Handle< Geom2d_Curve > &	aC2DA
	)

static

Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .

static void BOPTools_AlgoTools2D::AdjustPCurveOnFace	(	const TopoDS_Face &	aF,
		const Standard_Real	aT1,
		const Standard_Real	aT2,
		const Handle< Geom2d_Curve > &	aC2D,
		Handle< Geom2d_Curve > &	aC2DA
	)

static

Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . [aT1, aT2] - range to adjust.

static void BOPTools_AlgoTools2D::AdjustPCurveOnFace	(	const BRepAdaptor_Surface &	aF,
		const Standard_Real	aT1,
		const Standard_Real	aT2,
		const Handle< Geom2d_Curve > &	aC2D,
		Handle< Geom2d_Curve > &	aC2DA
	)

static

Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . [aT1, aT2] - range to adjust.

static Standard_Integer BOPTools_AlgoTools2D::AttachExistingPCurve	(	const TopoDS_Edge &	aEold,
		const TopoDS_Edge &	aEnew,
		const TopoDS_Face &	aF,
		const Handle< IntTools_Context > &	aCtx
	)

static

Attach P-Curve from the edge <aEold> on surface <aF> to the edge <aEnew> Returns 0 in case of success.

static void BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF
	)

static

Compute P-Curve for the edge <aE> on the face <aF> Raises exception Standard_ConstructionError if projection algorithm fails.

static void BOPTools_AlgoTools2D::BuildPCurveForEdgeOnPlane	(	const TopoDS_Edge &	theE,
		const TopoDS_Face &	theF
	)

static

Build pcurve of edge on face if the surface is plane, and update the edge.

static void BOPTools_AlgoTools2D::BuildPCurveForEdgeOnPlane	(	const TopoDS_Edge &	theE,
		const TopoDS_Face &	theF,
		Handle< Geom2d_Curve > &	aC2D,
		Standard_Boolean &	bToUpdate
	)

static

Build pcurve of edge on face if the surface is plane, but do not update the edge. The output are the pcurve and the flag telling that pcurve was built.

static void BOPTools_AlgoTools2D::BuildPCurveForEdgesOnPlane	(	const BOPCol_ListOfShape &	theLE,
		const TopoDS_Face &	theF
	)

static

static void BOPTools_AlgoTools2D::CurveOnSurface	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aToler
	)

static

Get P-Curve <aC> for the edge <aE> on surface <aF> . If the P-Curve does not exist, build it using Make2D(). [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm Make2D() fails.

static void BOPTools_AlgoTools2D::CurveOnSurface	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aFirst,
		Standard_Real &	aLast,
		Standard_Real &	aToler
	)

static

Get P-Curve <aC> for the edge <aE> on surface <aF> . If the P-Curve does not exist, build it using Make2D(). [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm Make2D() fails.

static Standard_Boolean BOPTools_AlgoTools2D::EdgeTangent	(	const TopoDS_Edge &	anE,
		const Standard_Real	aT,
		gp_Vec &	Tau
	)

static

Compute tangent for the edge <aE> [in 3D] at parameter <aT>

static Standard_Boolean BOPTools_AlgoTools2D::HasCurveOnSurface	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aFirst,
		Standard_Real &	aLast,
		Standard_Real &	aToler
	)

static

Returns TRUE if the edge <aE> has P-Curve <aC> on surface <aF> . [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance If the P-Curve does not exist, aC.IsNull()=TRUE.

static Standard_Boolean BOPTools_AlgoTools2D::HasCurveOnSurface	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF
	)

static

Returns TRUE if the edge <aE> has P-Curve <aC> on surface <aF> . If the P-Curve does not exist, aC.IsNull()=TRUE.

static Standard_Real BOPTools_AlgoTools2D::IntermediatePoint	(	const Standard_Real	aFirst,
		const Standard_Real	aLast
	)

static

Compute intermediate value in between [aFirst, aLast] .

static Standard_Real BOPTools_AlgoTools2D::IntermediatePoint ( const TopoDS_Edge & anE )

static

Compute intermediate value of parameter for the edge <anE>.

static void BOPTools_AlgoTools2D::IsEdgeIsoline	(	const TopoDS_Edge &	theE,
		const TopoDS_Face &	theF,
		Standard_Boolean &	isTheUIso,
		Standard_Boolean &	isTheVIso
	)

static

Checks if CurveOnSurface of theE on theF matches with isoline of theF surface. Sets corresponding values for isTheUIso and isTheVIso variables. ATTENTION!!! This method is based on comparation between direction of surface (which theF is based on) iso-lines and the direction of the edge p-curve (on theF) in middle-point of the p-curve. This method should be used carefully (e.g. BRep_Tool::IsClosed(...) together) in order to avoid false classification some p-curves as isoline (e.g. circle on a plane).

static void BOPTools_AlgoTools2D::Make2D	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aFirst,
		Standard_Real &	aLast,
		Standard_Real &	aToler
	)

static

Make P-Curve <aC> for the edge <aE> on surface <aF> . [aFirst, aLast] - range of the P-Curve [aToler] - reached tolerance Raises exception Standard_ConstructionError if algorithm fails.

static void BOPTools_AlgoTools2D::MakePCurveOfType	(	const ProjLib_ProjectedCurve &	PC,
		Handle< Geom2d_Curve > &	aC
	)

static

Make empty P-Curve <aC> of relevant to <PC> type.

static void BOPTools_AlgoTools2D::MakePCurveOnFace	(	const TopoDS_Face &	aF,
		const Handle< Geom_Curve > &	C3D,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aToler
	)

static

Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> . [aToler] - reached tolerance Raises exception Standard_ConstructionError if projection algorithm fails.

static void BOPTools_AlgoTools2D::MakePCurveOnFace	(	const TopoDS_Face &	aF,
		const Handle< Geom_Curve > &	C3D,
		const Standard_Real	aT1,
		const Standard_Real	aT2,
		Handle< Geom2d_Curve > &	aC,
		Standard_Real &	aToler
	)

static

Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> . [aT1, aT2] - range to build [aToler] - reached tolerance Raises exception Standard_ConstructionError if projection algorithm fails.

static void BOPTools_AlgoTools2D::PointOnSurface	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		Standard_Real &	U,
		Standard_Real &	V
	)

static

Compute surface parameters <U,V> of the face <aF> for the point from the edge <aE> at parameter <aT>. If <aE> has't pcurve on surface, algorithm tries to get it by projection and can raise exception Standard_ConstructionError if projection algorithm fails.

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

BOPTools_AlgoTools2D.hxx

Static Public Member Functions

Detailed Description

Member Function Documentation