IGESSolid_TopoBuilder Class Reference

This class manages the creation of an IGES Topologic entity (BREP : ManifoldSolid, Shell, Face) This includes definiting of Vertex and Edge Lists, building of Edges and Loops. More...

#include <IGESSolid_TopoBuilder.hxx>

Public Member Functions
	IGESSolid_TopoBuilder ()
	Creates an empty TopoBuilder This creates also a unique VertexList and a unique EdgeList, empty, but which can be referenced from starting.
void	Clear ()
	Resets the TopoBuilder for an entirely new operation (with a new EdgeList, a new VertexList, new Shells, ...)
void	AddVertex (const gp_XYZ &val)
	Adds a Vertex to the VertexList.
int	NbVertices () const
	Returns the count of already recorded Vertices.
const gp_XYZ &	Vertex (const int num) const
	Returns a Vertex, given its rank.
occ::handle< IGESSolid_VertexList >	VertexList () const
	Returns the VertexList. It can be referenced, but it remains empty until call to EndShell or EndSolid.
void	AddEdge (const occ::handle< IGESData_IGESEntity > &curve, const int vstart, const int vend)
	Adds an Edge (3D) to the EdgeList, defined by a Curve and two number of Vertex, for start and end.
int	NbEdges () const
	Returns the count of recorded Edges (3D)
void	Edge (const int num, occ::handle< IGESData_IGESEntity > &curve, int &vstart, int &vend) const
	Returns the definition of an Edge (3D) given its rank.
occ::handle< IGESSolid_EdgeList >	EdgeList () const
	Returns the EdgeList. It can be referenced, but it remains empty until call to EndShell or EndSolid.
void	MakeLoop ()
	Begins the definition of a new Loop : it is the Current Loop All Edges (UV) defined by MakeEdge/EndEdge will be added in it The Loop can then be referenced but is empty. It will be filled with its Edges(UV) by EndLoop (from SetOuter/AddInner)
void	MakeEdge (const int edgetype, const int edge3d, const int orientation)
	Defines an Edge(UV), to be added in the current Loop by EndEdge <edgetype> gives the type of the edge <edge3d> identifies the Edge(3D) used as support The EdgeList is always the current one <orientation gives the orientation flag It is then necessary to :
void	AddCurveUV (const occ::handle< IGESData_IGESEntity > &curve, const int iso)
	Adds a Parametric Curve (UV) to the current Edge(UV)
void	EndEdge ()
	Closes the definition of an Edge(UV) and adds it to the current Loop.
void	MakeFace (const occ::handle< IGESData_IGESEntity > &surface)
	Begins the definition of a new Face, on a surface All Loops defined by MakeLoop will be added in it, according the closing call : SetOuter for the Outer Loop (by default, if SetOuter is not called, no OuterLoop is defined); AddInner for the list of Inner Loops (there can be none)
void	SetOuter ()
	Closes the current Loop and sets it Loop as Outer Loop. If no current Loop has yet been defined, does nothing.
void	AddInner ()
	Closes the current Loop and adds it to the list of Inner Loops for the current Face.
void	EndFace (const int orientation)
	Closes the definition of the current Face, fills it and adds it to the current Shell with an orientation flag (0/1)
void	MakeShell ()
	Begins the definition of a new Shell (either Simple or in a Solid)
void	EndSimpleShell ()
	Closes the whole definition as that of a simple Shell.
void	SetMainShell (const int orientation)
	Closes the definition of the current Shell as for the Main Shell of a Solid, with an orientation flag (0/1)
void	AddVoidShell (const int orientation)
	Closes the definition of the current Shell and adds it to the list of Void Shells of a Solid, with an orientation flag (0/1)
void	EndSolid ()
	Closes the whole definition as that of a ManifoldSolid Its call is exclusive from that of EndSimpleShell.
occ::handle< IGESSolid_Shell >	Shell () const
	Returns the current Shell. The current Shell is created empty by MakeShell and filled by EndShell.
occ::handle< IGESSolid_ManifoldSolid >	Solid () const
	Returns the current ManifoldSolid. It is created empty by Create and filled by EndSolid.

Protected Member Functions
void	EndLists ()
	Closes the definition of Vertex and Edge Lists Warning : Called only by EndSimpleShell and EndSolid.
void	EndLoop ()
	Closes the definition of a Loop and fills it Warning : EndLoop should not be called directly but through SetOuter or AddInner, which work on the current Face.
void	EndShell ()
	Closes the definition of the current Shell Warning : EndShell should not be called directly but through EndSimpleShell (for a simple Shell), SetMainShell (for main Shell of a Solid) or AddVoidShell (to a Solid)

Detailed Description

This class manages the creation of an IGES Topologic entity (BREP : ManifoldSolid, Shell, Face) This includes definiting of Vertex and Edge Lists, building of Edges and Loops.

Constructor & Destructor Documentation

IGESSolid_TopoBuilder()

IGESSolid_TopoBuilder::IGESSolid_TopoBuilder

(

)

Creates an empty TopoBuilder This creates also a unique VertexList and a unique EdgeList, empty, but which can be referenced from starting.

Member Function Documentation

AddCurveUV()

void IGESSolid_TopoBuilder::AddCurveUV	(	const occ::handle< IGESData_IGESEntity > &	curve,
		const int	iso )

Adds a Parametric Curve (UV) to the current Edge(UV)

AddEdge()

void IGESSolid_TopoBuilder::AddEdge	(	const occ::handle< IGESData_IGESEntity > &	curve,
		const int	vstart,
		const int	vend )

Adds an Edge (3D) to the EdgeList, defined by a Curve and two number of Vertex, for start and end.

AddInner()

void IGESSolid_TopoBuilder::AddInner

(

)

Closes the current Loop and adds it to the list of Inner Loops for the current Face.

AddVertex()

void IGESSolid_TopoBuilder::AddVertex

(

const gp_XYZ &

val

)

Adds a Vertex to the VertexList.

AddVoidShell()

void IGESSolid_TopoBuilder::AddVoidShell

(

const int

orientation

)

Closes the definition of the current Shell and adds it to the list of Void Shells of a Solid, with an orientation flag (0/1)

Clear()

void IGESSolid_TopoBuilder::Clear

(

)

Resets the TopoBuilder for an entirely new operation (with a new EdgeList, a new VertexList, new Shells, ...)

Edge()

void IGESSolid_TopoBuilder::Edge	(	const int	num,
		occ::handle< IGESData_IGESEntity > &	curve,
		int &	vstart,
		int &	vend ) const

Returns the definition of an Edge (3D) given its rank.

EdgeList()

occ::handle< IGESSolid_EdgeList > IGESSolid_TopoBuilder::EdgeList

(

)

const

Returns the EdgeList. It can be referenced, but it remains empty until call to EndShell or EndSolid.

EndEdge()

void IGESSolid_TopoBuilder::EndEdge

(

)

Closes the definition of an Edge(UV) and adds it to the current Loop.

EndFace()

void IGESSolid_TopoBuilder::EndFace

(

const int

orientation

)

Closes the definition of the current Face, fills it and adds it to the current Shell with an orientation flag (0/1)

EndLists()

void IGESSolid_TopoBuilder::EndLists ( )

protected

Closes the definition of Vertex and Edge Lists Warning : Called only by EndSimpleShell and EndSolid.

EndLoop()

void IGESSolid_TopoBuilder::EndLoop ( )

protected

Closes the definition of a Loop and fills it Warning : EndLoop should not be called directly but through SetOuter or AddInner, which work on the current Face.

EndShell()

void IGESSolid_TopoBuilder::EndShell ( )

protected

Closes the definition of the current Shell Warning : EndShell should not be called directly but through EndSimpleShell (for a simple Shell), SetMainShell (for main Shell of a Solid) or AddVoidShell (to a Solid)

EndSimpleShell()

void IGESSolid_TopoBuilder::EndSimpleShell

(

)

Closes the whole definition as that of a simple Shell.

EndSolid()

void IGESSolid_TopoBuilder::EndSolid

(

)

Closes the whole definition as that of a ManifoldSolid Its call is exclusive from that of EndSimpleShell.

MakeEdge()

void IGESSolid_TopoBuilder::MakeEdge	(	const int	edgetype,
		const int	edge3d,
		const int	orientation )

Defines an Edge(UV), to be added in the current Loop by EndEdge <edgetype> gives the type of the edge <edge3d> identifies the Edge(3D) used as support The EdgeList is always the current one <orientation gives the orientation flag It is then necessary to :

• give the parametric curves
• close the definition of this edge(UV) by EndEdge, else the next call to MakeEdge will erase this one

MakeFace()

void IGESSolid_TopoBuilder::MakeFace

(

const occ::handle< IGESData_IGESEntity > &

surface

)

Begins the definition of a new Face, on a surface All Loops defined by MakeLoop will be added in it, according the closing call : SetOuter for the Outer Loop (by default, if SetOuter is not called, no OuterLoop is defined); AddInner for the list of Inner Loops (there can be none)

MakeLoop()

void IGESSolid_TopoBuilder::MakeLoop

(

)

Begins the definition of a new Loop : it is the Current Loop All Edges (UV) defined by MakeEdge/EndEdge will be added in it The Loop can then be referenced but is empty. It will be filled with its Edges(UV) by EndLoop (from SetOuter/AddInner)

MakeShell()

void IGESSolid_TopoBuilder::MakeShell

(

)

Begins the definition of a new Shell (either Simple or in a Solid)

NbEdges()

int IGESSolid_TopoBuilder::NbEdges

(

)

const

Returns the count of recorded Edges (3D)

NbVertices()

int IGESSolid_TopoBuilder::NbVertices

(

)

const

Returns the count of already recorded Vertices.

SetMainShell()

void IGESSolid_TopoBuilder::SetMainShell

(

const int

orientation

)

Closes the definition of the current Shell as for the Main Shell of a Solid, with an orientation flag (0/1)

SetOuter()

void IGESSolid_TopoBuilder::SetOuter

(

)

Closes the current Loop and sets it Loop as Outer Loop. If no current Loop has yet been defined, does nothing.

Shell()

occ::handle< IGESSolid_Shell > IGESSolid_TopoBuilder::Shell

(

)

const

Returns the current Shell. The current Shell is created empty by MakeShell and filled by EndShell.

Solid()

occ::handle< IGESSolid_ManifoldSolid > IGESSolid_TopoBuilder::Solid

(

)

const

Returns the current ManifoldSolid. It is created empty by Create and filled by EndSolid.

Vertex()

const gp_XYZ & IGESSolid_TopoBuilder::Vertex

(

const int

num

)

const

Returns a Vertex, given its rank.

VertexList()

occ::handle< IGESSolid_VertexList > IGESSolid_TopoBuilder::VertexList

(

)

const

Returns the VertexList. It can be referenced, but it remains empty until call to EndShell or EndSolid.

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

• IGESSolid_TopoBuilder.hxx