The class contains handy static functions
dealing with the topology

#include <BOPTools_Tools3D.hxx>

Public Member Functions
void *	operator new (size_t, void *anAddress)
void *	operator new (size_t size)
void	operator delete (void *anAddress)
Static Public Member Functions
static Standard_Integer	SubShapesAmount (const TopoDS_Shape &aS, const TopAbs_ShapeEnum aT)
	Returns amount of sub-shapes of type <aT> for the shape <aS>
static Standard_Boolean	IsConvexWire (const TopoDS_Wire &aW)
	Returns TRUE if amount of the vertices <= amount of the edges> for the wire <aW>
static void	RemoveSims (const TopoDS_Face &aF, IntTools_Context &aContext)
	Remove seam edges from face <aF>
static void	RemoveSims (const TopoDS_Shape &aS, IntTools_Context &aContext)
	Remove seam edges from all faces of shape <aS>
static TopAbs_Orientation	EdgeOrientation (const TopoDS_Edge &aEx, const TopoDS_Face &aF1, const TopoDS_Face &aF2)
	For the draft section edge <aEx> computes orientation in accordance with vector product between normals to the faces <aF1>, <aF2>
static Standard_Boolean	IsSplitToReverse1 (const TopoDS_Edge &aE1, const TopoDS_Edge &aE2, IntTools_Context &aContext)
	Returns TRUE if direction of the edge <aE1> is not the same as for the edge <aE2> (using projection)
static void	DoSplitSEAMOnFace (const TopoDS_Edge &aSp, const TopoDS_Face &aF)
	Make the edge <aSp> seam edge for the face <aF>
static Standard_Boolean	DoSplitSEAMOnFace (const TopoDS_Edge &theSplit, const TopoDS_Edge &theSeam, const TopoDS_Face &theFace, Standard_Boolean &IsReversed)
	Make the edge <theSplit> seam edge for the face <theFace> It uses pcurves of <theSeam> to make <theSplit> seam edge. IsReversed is true if pcurves of <theSplit> and <theSeam> are reversed according to each other. Returns true if <theSplit> was made seam edge for <theFace>
static Standard_Boolean	IsTouchCase (const TopoDS_Edge &aEx, const TopoDS_Face &aF1, const TopoDS_Face &aF2)
	Returns TRUE if the edge <aEx> is section edge between touching faces <aF1>, <aF2>
static Standard_Boolean	GetTangentToEdge (const TopoDS_Edge &aE, const Standard_Real aT, gp_Dir &aD)
	Computes tangent (3D) for the edge <aE> at parameter <aT> Returns TRUE if the edge <aE> is not degenerated.
static Standard_Boolean	GetTangentToEdge (const TopoDS_Edge &aE, gp_Dir &aD)
	Computes tangent (3D) for the edge <aE> at arbitrary intermediate parameter Returns TRUE if the edge <aE> is not degenerated.
static void	GetNormalToFaceOnEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, gp_Dir &aD)
	Computes normal to the face <aF> for the point on the edge <aE> at parameter <aT>
static void	GetNormalToFaceOnEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, gp_Dir &aD)
	Computes normal to the face <aF> for the point on the edge <aE> at arbitrary intermediate parameter
static void	GetBiNormal (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, gp_Dir &aD)
	Computes binormal to the face <aF> for the point on the edge <aE> at parameter <aT>
static void	GetBiNormal (const TopoDS_Edge &aE, const TopoDS_Face &aF, gp_Dir &aD)
	Computes binormal to the face <aF> for the point on the edge <aE> at arbitrary intermediate parameter
static Standard_Boolean	IsSplitToReverse (const TopoDS_Edge &aE, const TopoDS_Edge &aSp)
	Returns TRUE if direction of the edge <aE1> is not the same as for the edge <aE2>
static Standard_Boolean	GetAdjacentFace (const TopoDS_Face &aF, const TopoDS_Edge &aE, const TopTools_IndexedDataMapOfShapeListOfShape &aEFMap, TopoDS_Face &anAdjF)
	Get face <anAdjF> that is adjacent to the face <aF> through the edge <aE> (using map EF <aEFMap>) Returns FALSE if adjacent face is not found
static Standard_Boolean	IsKeepTwice (const TopoDS_Face &aF1, const TopoDS_Face &aF2, const TopoDS_Face &aF2Adj, const TopoDS_Edge &aSpEF2)
	Returns TRUE if pair of faces <aF2> and <aF2Adj> that are adjacent faces through the edge <aSpEF2> crosses the face <aF1> by <aSpEF2>
static Standard_Integer	SenseFlag (const gp_Dir &aNF1, const gp_Dir &aNF2)
	Returns 1 if scalar product aNF1* aNF2>0. Returns 0 if directions aNF1 aNF2 coinside Returns -1 if scalar product aNF1* aNF2<0.
static Standard_Boolean	GetNormalToSurface (const Handle< Geom_Surface > &aS, const Standard_Real U, const Standard_Real V, gp_Dir &aD)
	Compute normal <aD> to surface <aS> in point (U,V) Returns TRUE if directions aD1U, aD1V coinside
static void	GetPlanes (const TopoDS_Edge &aSp, const TopoDS_Edge &aE2, const TopTools_IndexedDataMapOfShapeListOfShape &aEFMap2, const TopoDS_Edge &aE1, const TopoDS_Face &aF1, TopAbs_State &aST1, IntTools_Context &aContext)
	Internal usage
static TopAbs_Orientation	Orientation (const TopoDS_Edge &aE, const TopoDS_Face &aF)
	Get the orientation for the edge <aE> on the face <aF> Returns TopAbs_INTERNAL if the edge <aE> is not found on the face <aF>
static Standard_Real	SignDistance (const gp_Pnt &aP, const gp_Pln &aPL)
	Computes signed distance between the 3D-point <aP> and the plane <aPL>.
static void	GetApproxNormalToFaceOnEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, gp_Pnt &aPx, gp_Dir &aD)
	Computes normal to the face <aF> for the 3D-point that belonds to the edge <aE> at parameter <aT>. Output: aPx - the 3D-point where the normal computed aD - the normal;
static void	PointNearEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, const Standard_Real aDt2D, gp_Pnt2d &aP2D, gp_Pnt &aPx)
	Compute the point <aPx>, (<aP2D>) that is near to the edge <aE> at parameter <aT> towards to the material of the face <aF>. The value of shifting in 2D is <aDt2D>
static void	PointNearEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, const Standard_Real aT, gp_Pnt2d &aP2D, gp_Pnt &aPx)
	Computes the point <aPx>, (<aP2D>) that is near to the edge <aE> at parameter <aT> towards to the material of the face <aF>. The value of shifting in 2D is dt2D=BOPTools_Tools3D::MinStepIn2d()
static void	PointNearEdge (const TopoDS_Edge &aE, const TopoDS_Face &aF, gp_Pnt2d &aP2D, gp_Pnt &aPx)
	Compute the point <aPx>, (<aP2D>) that is near to the edge <aE> at arbitrary parameter towards to the material of the face <aF>. The value of shifting in 2D is dt2D=BOPTools_Tools3D::MinStepIn2d()
static void	PointToCompare (const gp_Pnt &aP1, const gp_Pnt &aP2, const TopoDS_Face &aF, gp_Pnt &aPx, IntTools_Context &aContext)
	For 3D-point <aP1> find projection point <aPx> on the face <aF>. If the distance (<aP1>, <aPx>) > TolF => For 3D-point <aP2> find projection point <aPx> on the face <aF>. If the distance (<aP2>, <aPx>) > TolF => returns <aP1>
static void	GetPlane (const TopoDS_Edge &aSp, const TopoDS_Edge &aE1, const TopoDS_Face &aF1, const TopoDS_Face &aF2, TopAbs_State &aST, IntTools_Context &aContext)
	Compute 3D-state for the point on the split edge <aSp> (with base edge <aE1> and the face <aF1>) comparing with the face <aF2>
static void	GetPointState (const TopoDS_Edge &aSp, const TopoDS_Edge &aEF2, const TopoDS_Face &aF2Adj, const TopoDS_Face &aF1, TopAbs_State &aST)
	Compute 3D-state for the point on the split edge <aSp> (with base edge <aEF2> and the adjacent face <aF2Adj>) comparing with the face <aF1>
static void	OrientEdgeOnFace (const TopoDS_Edge &aE, const TopoDS_Face &aF, TopoDS_Edge &aER)
	Get the edge <aER> from the face <aF> that is the same as the edge <aE>
static TopAbs_Orientation	OrientTouchEdgeOnF1 (const TopoDS_Edge &aSp, const TopoDS_Edge &aEx, const TopoDS_Face &aF1, const TopoDS_Face &aF2)
	Computes orientation for the split edge <aSp> [with base edge <aEx> and face <aF2>] on the face <aF1>
static void	GetSeams (const TopoDS_Face &aF, TopoDS_Edge &aSimm1, TopoDS_Edge &aSimm2)
	Get seam edges <aSimm1>, <aSimm2> for the face <aF>
static void	GetSeam (const TopoDS_Face &aF, const TopoDS_Edge &aS1, TopoDS_Edge &aS2)
	Get opposite seam edge <aS2> for the face <aF> with known seam edge <aS1>
static Standard_Boolean	IsValidArea (const TopoDS_Face &aF, Standard_Boolean &aNegativeFlag)
	Check validity of the area of face <aF>. Returns TRUE if the Abs. value of the area is greater than 1.e-16
static Standard_Real	MinStepIn2d ()
	Returns simple step value that is used in 2D-computations = 1.e-5
static Standard_Boolean	IsEmptyShape (const TopoDS_Shape &aS)
	Returns TRUE if the shape <aS> does not contain geometry information (e.g. empty compound)
static void	InvertShape (const TopoDS_Shape &aS, TopoDS_Shape &aSInv)
	Change orientations to opposite for the shape <aS> and all its sub-shapes. Returns <aSInv>
static TopAbs_State	GetStatePartIN2D (const TopoDS_Edge &aSp, const TopoDS_Edge &aEF1, const TopoDS_Face &aF1, const TopoDS_Face &aF2, IntTools_Context &aContext)
	Used in touch case Compute the 3D-state for the point on the split edge <aSp> (with base edge <aEF1> on face <aF1>) comparing with <aF2>. Used in touch case <aF1>/<aF2>
static Standard_Boolean	CheckSameDomainFaceInside (const TopoDS_Face &theFace1, const TopoDS_Face &theFace2, IntTools_Context &theContext)
static Standard_Boolean	ComputeFaceState (const TopoDS_Face &theFace, const TopoDS_Solid &theRef, IntTools_Context &theContext, TopAbs_State &theState)
static Standard_Boolean	TreatedAsAnalytic (const Standard_Real aTx, const gp_Pnt &aPx, const TopoDS_Edge &aEx, const TopoDS_Face &aFx, const TopoDS_Edge &aE1, const TopoDS_Face &aF1, const Standard_Real aTolTangent, const Standard_Real aTolRadius, TopAbs_State &aState, IntTools_Context &aContext)
static Standard_Boolean	TreatedAsAnalytic (const TopoDS_Face &aFx, const TopoDS_Edge &aSpE1, const TopoDS_Face &aF1, const Standard_Real aTolTangent, const Standard_Real aTolRadius, TopAbs_State &aState, IntTools_Context &aContext)
static Standard_Boolean	HasAnalyticSurfaceType (const TopoDS_Face &aF)

Member Function Documentation

static Standard_Boolean BOPTools_Tools3D::CheckSameDomainFaceInside	(	const TopoDS_Face &	theFace1,
		const TopoDS_Face &	theFace2,
		IntTools_Context &	theContext
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::ComputeFaceState	(	const TopoDS_Face &	theFace,
		const TopoDS_Solid &	theRef,
		IntTools_Context &	theContext,
		TopAbs_State &	theState
	)		`[static]`

static void BOPTools_Tools3D::DoSplitSEAMOnFace	(	const TopoDS_Edge &	aSp,
		const TopoDS_Face &	aF
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::DoSplitSEAMOnFace	(	const TopoDS_Edge &	theSplit,
		const TopoDS_Edge &	theSeam,
		const TopoDS_Face &	theFace,
		Standard_Boolean &	IsReversed
	)		`[static]`

static TopAbs_Orientation BOPTools_Tools3D::EdgeOrientation	(	const TopoDS_Edge &	aEx,
		const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::GetAdjacentFace	(	const TopoDS_Face &	aF,
		const TopoDS_Edge &	aE,
		const TopTools_IndexedDataMapOfShapeListOfShape &	aEFMap,
		TopoDS_Face &	anAdjF
	)		`[static]`

static void BOPTools_Tools3D::GetApproxNormalToFaceOnEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		gp_Pnt &	aPx,
		gp_Dir &	aD
	)		`[static]`

static void BOPTools_Tools3D::GetBiNormal	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		gp_Dir &	aD
	)		`[static]`

static void BOPTools_Tools3D::GetBiNormal	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		gp_Dir &	aD
	)		`[static]`

static void BOPTools_Tools3D::GetNormalToFaceOnEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		gp_Dir &	aD
	)		`[static]`

static void BOPTools_Tools3D::GetNormalToFaceOnEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		gp_Dir &	aD
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::GetNormalToSurface	(	const Handle< Geom_Surface > &	aS,
		const Standard_Real	U,
		const Standard_Real	V,
		gp_Dir &	aD
	)		`[static]`

static void BOPTools_Tools3D::GetPlane	(	const TopoDS_Edge &	aSp,
		const TopoDS_Edge &	aE1,
		const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2,
		TopAbs_State &	aST,
		IntTools_Context &	aContext
	)		`[static]`

static void BOPTools_Tools3D::GetPlanes	(	const TopoDS_Edge &	aSp,
		const TopoDS_Edge &	aE2,
		const TopTools_IndexedDataMapOfShapeListOfShape &	aEFMap2,
		const TopoDS_Edge &	aE1,
		const TopoDS_Face &	aF1,
		TopAbs_State &	aST1,
		IntTools_Context &	aContext
	)		`[static]`

static void BOPTools_Tools3D::GetPointState	(	const TopoDS_Edge &	aSp,
		const TopoDS_Edge &	aEF2,
		const TopoDS_Face &	aF2Adj,
		const TopoDS_Face &	aF1,
		TopAbs_State &	aST
	)		`[static]`

static void BOPTools_Tools3D::GetSeam	(	const TopoDS_Face &	aF,
		const TopoDS_Edge &	aS1,
		TopoDS_Edge &	aS2
	)		`[static]`

static void BOPTools_Tools3D::GetSeams	(	const TopoDS_Face &	aF,
		TopoDS_Edge &	aSimm1,
		TopoDS_Edge &	aSimm2
	)		`[static]`

static TopAbs_State BOPTools_Tools3D::GetStatePartIN2D	(	const TopoDS_Edge &	aSp,
		const TopoDS_Edge &	aEF1,
		const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2,
		IntTools_Context &	aContext
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::GetTangentToEdge	(	const TopoDS_Edge &	aE,
		const Standard_Real	aT,
		gp_Dir &	aD
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::GetTangentToEdge	(	const TopoDS_Edge &	aE,
		gp_Dir &	aD
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::HasAnalyticSurfaceType ( const TopoDS_Face & aF ) [static]

static void BOPTools_Tools3D::InvertShape	(	const TopoDS_Shape &	aS,
		TopoDS_Shape &	aSInv
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::IsConvexWire ( const TopoDS_Wire & aW ) [static]

static Standard_Boolean BOPTools_Tools3D::IsEmptyShape ( const TopoDS_Shape & aS ) [static]

static Standard_Boolean BOPTools_Tools3D::IsKeepTwice	(	const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2,
		const TopoDS_Face &	aF2Adj,
		const TopoDS_Edge &	aSpEF2
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::IsSplitToReverse	(	const TopoDS_Edge &	aE,
		const TopoDS_Edge &	aSp
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::IsSplitToReverse1	(	const TopoDS_Edge &	aE1,
		const TopoDS_Edge &	aE2,
		IntTools_Context &	aContext
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::IsTouchCase	(	const TopoDS_Edge &	aEx,
		const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::IsValidArea	(	const TopoDS_Face &	aF,
		Standard_Boolean &	aNegativeFlag
	)		`[static]`

static Standard_Real BOPTools_Tools3D::MinStepIn2d ( ) [static]

void BOPTools_Tools3D::operator delete ( void * anAddress ) [inline]

void* BOPTools_Tools3D::operator new ( size_t size ) [inline]

void* BOPTools_Tools3D::operator new	(	size_t	,
		void *	anAddress
	)		`[inline]`

static TopAbs_Orientation BOPTools_Tools3D::Orientation	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF
	)		`[static]`

static void BOPTools_Tools3D::OrientEdgeOnFace	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		TopoDS_Edge &	aER
	)		`[static]`

static TopAbs_Orientation BOPTools_Tools3D::OrientTouchEdgeOnF1	(	const TopoDS_Edge &	aSp,
		const TopoDS_Edge &	aEx,
		const TopoDS_Face &	aF1,
		const TopoDS_Face &	aF2
	)		`[static]`

static void BOPTools_Tools3D::PointNearEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		const Standard_Real	aDt2D,
		gp_Pnt2d &	aP2D,
		gp_Pnt &	aPx
	)		`[static]`

static void BOPTools_Tools3D::PointNearEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		const Standard_Real	aT,
		gp_Pnt2d &	aP2D,
		gp_Pnt &	aPx
	)		`[static]`

static void BOPTools_Tools3D::PointNearEdge	(	const TopoDS_Edge &	aE,
		const TopoDS_Face &	aF,
		gp_Pnt2d &	aP2D,
		gp_Pnt &	aPx
	)		`[static]`

static void BOPTools_Tools3D::PointToCompare	(	const gp_Pnt &	aP1,
		const gp_Pnt &	aP2,
		const TopoDS_Face &	aF,
		gp_Pnt &	aPx,
		IntTools_Context &	aContext
	)		`[static]`

static void BOPTools_Tools3D::RemoveSims	(	const TopoDS_Face &	aF,
		IntTools_Context &	aContext
	)		`[static]`

static void BOPTools_Tools3D::RemoveSims	(	const TopoDS_Shape &	aS,
		IntTools_Context &	aContext
	)		`[static]`

static Standard_Integer BOPTools_Tools3D::SenseFlag	(	const gp_Dir &	aNF1,
		const gp_Dir &	aNF2
	)		`[static]`

static Standard_Real BOPTools_Tools3D::SignDistance	(	const gp_Pnt &	aP,
		const gp_Pln &	aPL
	)		`[static]`

static Standard_Integer BOPTools_Tools3D::SubShapesAmount	(	const TopoDS_Shape &	aS,
		const TopAbs_ShapeEnum	aT
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::TreatedAsAnalytic	(	const TopoDS_Face &	aFx,
		const TopoDS_Edge &	aSpE1,
		const TopoDS_Face &	aF1,
		const Standard_Real	aTolTangent,
		const Standard_Real	aTolRadius,
		TopAbs_State &	aState,
		IntTools_Context &	aContext
	)		`[static]`

static Standard_Boolean BOPTools_Tools3D::TreatedAsAnalytic	(	const Standard_Real	aTx,
		const gp_Pnt &	aPx,
		const TopoDS_Edge &	aEx,
		const TopoDS_Face &	aFx,
		const TopoDS_Edge &	aE1,
		const TopoDS_Face &	aF1,
		const Standard_Real	aTolTangent,
		const Standard_Real	aTolRadius,
		TopAbs_State &	aState,
		IntTools_Context &	aContext
	)		`[static]`

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

BOPTools_Tools3D.hxx

Public Member Functions

Static Public Member Functions

Member Function Documentation