Creation of isoparametric curves. More...

#include <DBRep_IsoBuilder.hxx>

Inheritance diagram for DBRep_IsoBuilder:

Public Member Functions
	DBRep_IsoBuilder (const TopoDS_Face &TopologicalFace, const Standard_Real Infinite, const Standard_Integer NbIsos)
	Creates the builder.

Standard_Integer	NbDomains () const
	Returns the total number of domains.

void	LoadIsos (const Handle< DBRep_Face > &Face) const
	Loading of the isoparametric curves in the Data Structure of a drawable face.

Public Member Functions inherited from Geom2dHatch_Hatcher
	Geom2dHatch_Hatcher (const Geom2dHatch_Intersector &Intersector, const Standard_Real Confusion2d, const Standard_Real Confusion3d, const Standard_Boolean KeepPnt=Standard_False, const Standard_Boolean KeepSeg=Standard_False)
	Returns an empty hatcher.

void	Intersector (const Geom2dHatch_Intersector &Intersector)
	Sets the associated intersector.

const Geom2dHatch_Intersector &	Intersector ()
	Returns the associated intersector.

Geom2dHatch_Intersector &	ChangeIntersector ()
	Returns the associated intersector.

void	Confusion2d (const Standard_Real Confusion)
	Sets the confusion tolerance.

Standard_Real	Confusion2d () const
	Returns the 2d confusion tolerance, i.e. the value under which two points are considered identical in the parametric space of the hatching.

void	Confusion3d (const Standard_Real Confusion)
	Sets the confusion tolerance.

Standard_Real	Confusion3d () const
	Returns the 3d confusion tolerance, i.e. the value under which two points are considered identical in the 3d space of the hatching.

void	KeepPoints (const Standard_Boolean Keep)
	Sets the above flag.

Standard_Boolean	KeepPoints () const
	Returns the flag about the points consideration.

void	KeepSegments (const Standard_Boolean Keep)
	Sets the above flag.

Standard_Boolean	KeepSegments () const
	Returns the flag about the segments consideration.

void	Clear ()
	Removes all the hatchings and all the elements.

const Geom2dAdaptor_Curve &	ElementCurve (const Standard_Integer IndE) const
	Returns the curve associated to the IndE-th element.

Standard_Integer	AddElement (const Geom2dAdaptor_Curve &Curve, const TopAbs_Orientation Orientation=TopAbs_FORWARD)
	Adds an element to the hatcher and returns its index.

Standard_Integer	AddElement (const Handle< Geom2d_Curve > &Curve, const TopAbs_Orientation Orientation=TopAbs_FORWARD)
	Adds an element to the hatcher and returns its index.

void	RemElement (const Standard_Integer IndE)
	Removes the IndE-th element from the hatcher.

void	ClrElements ()
	Removes all the elements from the hatcher.

const Geom2dAdaptor_Curve &	HatchingCurve (const Standard_Integer IndH) const
	Returns the curve associated to the IndH-th hatching.

Standard_Integer	AddHatching (const Geom2dAdaptor_Curve &Curve)
	Adds a hatching to the hatcher and returns its index.

void	RemHatching (const Standard_Integer IndH)
	Removes the IndH-th hatching from the hatcher.

void	ClrHatchings ()
	Removes all the hatchings from the hatcher.

Standard_Integer	NbPoints (const Standard_Integer IndH) const
	Returns the number of intersection points of the IndH-th hatching.

const HatchGen_PointOnHatching &	Point (const Standard_Integer IndH, const Standard_Integer IndP) const
	Returns the IndP-th intersection point of the IndH-th hatching.

void	Trim ()
	Trims all the hatchings of the hatcher by all the elements of the hatcher.

Standard_Integer	Trim (const Geom2dAdaptor_Curve &Curve)
	Adds a hatching to the hatcher and trims it by the elements already given and returns its index.

void	Trim (const Standard_Integer IndH)
	Trims the IndH-th hatching by the elements already given.

void	ComputeDomains ()
	Computes the domains of all the hatchings.

void	ComputeDomains (const Standard_Integer IndH)
	Computes the domains of the IndH-th hatching.

Standard_Boolean	TrimDone (const Standard_Integer IndH) const
	Returns the fact that the intersections were computed for the IndH-th hatching.

Standard_Boolean	TrimFailed (const Standard_Integer IndH) const
	Returns the fact that the intersections failed for the IndH-th hatching.

Standard_Boolean	IsDone () const
	Returns the fact that the domains were computed for all the hatchings.

Standard_Boolean	IsDone (const Standard_Integer IndH) const
	Returns the fact that the domains were computed for the IndH-th hatching.

HatchGen_ErrorStatus	Status (const Standard_Integer IndH) const
	Returns the status about the IndH-th hatching.

Standard_Integer	NbDomains (const Standard_Integer IndH) const
	Returns the number of domains of the IndH-th hatching. Only ONE "INFINITE" domain means that the hatching is fully included in the contour defined by the elements.

const HatchGen_Domain &	Domain (const Standard_Integer IndH, const Standard_Integer IDom) const
	Returns the IDom-th domain of the IndH-th hatching.

void	Dump () const
	Dump the hatcher.

Protected Types
typedef NCollection_IndexedDataMap< TopoDS_Shape, Handle< Geom2d_Curve > >	DataMapOfEdgePCurve

Protected Member Functions
void	FillGaps (const TopoDS_Face &theFace, DataMapOfEdgePCurve &theEdgePCurveMap)
	Adds to the hatcher the 2D segments connecting the p-curves of the neighboring edges to close the 2D gaps which are closed in 3D by the tolerance of vertices shared between edges. It will allow trimming correctly the iso-lines passing through such gaps. The method also trims the intersecting 2D curves of the face, forbidding the iso-lines beyond the face boundaries.

Protected Member Functions inherited from Geom2dHatch_Hatcher
Geom2dHatch_Element &	Element (const Standard_Integer IndE)
	Returns the IndE-th element.

Geom2dHatch_Hatching &	Hatching (const Standard_Integer IndH)
	Returns the IndH-th hatching.

Detailed Description

Creation of isoparametric curves.

Member Typedef Documentation

◆ DataMapOfEdgePCurve

typedef NCollection_IndexedDataMap<TopoDS_Shape, Handle< Geom2d_Curve > > DBRep_IsoBuilder::DataMapOfEdgePCurve

protected

Constructor & Destructor Documentation

◆ DBRep_IsoBuilder()

DBRep_IsoBuilder::DBRep_IsoBuilder	(	const TopoDS_Face &	TopologicalFace,
		const Standard_Real	Infinite,
		const Standard_Integer	NbIsos )

Creates the builder.

Member Function Documentation

◆ FillGaps()

void DBRep_IsoBuilder::FillGaps	(	const TopoDS_Face &	theFace,
		DataMapOfEdgePCurve &	theEdgePCurveMap )

protected

Adds to the hatcher the 2D segments connecting the p-curves of the neighboring edges to close the 2D gaps which are closed in 3D by the tolerance of vertices shared between edges. It will allow trimming correctly the iso-lines passing through such gaps. The method also trims the intersecting 2D curves of the face, forbidding the iso-lines beyond the face boundaries.

◆ LoadIsos()

void DBRep_IsoBuilder::LoadIsos ( const Handle< DBRep_Face > & Face ) const

Loading of the isoparametric curves in the Data Structure of a drawable face.

◆ NbDomains()

Standard_Integer DBRep_IsoBuilder::NbDomains ( ) const

inline

Returns the total number of domains.

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

DBRep_IsoBuilder.hxx

Public Member Functions

Protected Types

Protected Member Functions