Implement the OneAxis algorithm for a revolution surface. More...

#include <BRepPrim_Revolution.hxx>

Inheritance diagram for BRepPrim_Revolution:

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Public Member Functions
	BRepPrim_Revolution (const gp_Ax2 &A, const Standard_Real VMin, const Standard_Real VMax, const Handle< Geom_Curve > &M, const Handle< Geom2d_Curve > &PM)
	Create a revolution body <M> is the meridian nd must be in the XZ plane of . <PM> is the meridian in the XZ plane.

virtual TopoDS_Face	MakeEmptyLateralFace () const
	The surface normal should be directed towards the outside.

virtual TopoDS_Edge	MakeEmptyMeridianEdge (const Standard_Real Ang) const
	Returns an edge with a 3D curve made from the meridian in the XZ plane rotated by <Ang> around the Z-axis. Ang may be 0 or myAngle.

virtual gp_Pnt2d	MeridianValue (const Standard_Real V) const
	Returns the meridian point at parameter <V> in the plane XZ.

virtual void	SetMeridianPCurve (TopoDS_Edge &E, const TopoDS_Face &F) const
	Sets the parametric urve of the edge <E> in the face <F> to be the 2d representation of the meridian.

Public Member Functions inherited from BRepPrim_OneAxis
void	SetMeridianOffset (const Standard_Real MeridianOffset=0)
	The MeridianOffset is added to the parameters on the meridian curve and to the V values of the pcurves. This is used for the sphere for example, to give a range on the meridian edge which is not VMin, VMax.

const gp_Ax2 &	Axes () const
	Returns the Ax2 from <me>.

void	Axes (const gp_Ax2 &A)

Standard_Real	Angle () const

void	Angle (const Standard_Real A)

Standard_Real	VMin () const

void	VMin (const Standard_Real V)

Standard_Real	VMax () const

void	VMax (const Standard_Real V)

virtual Standard_Boolean	MeridianOnAxis (const Standard_Real V) const
	Returns True if the point of parameter <V> on the meridian is on the Axis. Default implementation is Abs(MeridianValue(V).X()) < Precision::Confusion()

virtual Standard_Boolean	MeridianClosed () const
	Returns True if the meridian is closed. Default implementation is MeridianValue(VMin).IsEqual(MeridianValue(VMax), Precision::Confusion())

virtual Standard_Boolean	VMaxInfinite () const
	Returns True if VMax is infinite. Default Precision::IsPositiveInfinite(VMax);.

virtual Standard_Boolean	VMinInfinite () const
	Returns True if VMin is infinite. Default Precision::IsNegativeInfinite(VMax);.

virtual Standard_Boolean	HasTop () const
	Returns True if there is a top face.

virtual Standard_Boolean	HasBottom () const
	Returns True if there is a bottom face.

virtual Standard_Boolean	HasSides () const
	Returns True if there are Start and End faces.

const TopoDS_Shell &	Shell ()
	Returns the Shell containing all the Faces of the primitive.

const TopoDS_Face &	LateralFace ()
	Returns the lateral Face. It is oriented toward the outside of the primitive.

const TopoDS_Face &	TopFace ()
	Returns the top planar Face. It is Oriented toward the +Z axis (outside).

const TopoDS_Face &	BottomFace ()
	Returns the Bottom planar Face. It is Oriented toward the -Z axis (outside).

const TopoDS_Face &	StartFace ()
	Returns the Face starting the slice, it is oriented toward the exterior of the primitive.

const TopoDS_Face &	EndFace ()
	Returns the Face ending the slice, it is oriented toward the exterior of the primitive.

const TopoDS_Wire &	LateralWire ()
	Returns the wire in the lateral face.

const TopoDS_Wire &	LateralStartWire ()
	Returns the wire in the lateral face with the start edge.

const TopoDS_Wire &	LateralEndWire ()
	Returns the wire with in lateral face with the end edge.

const TopoDS_Wire &	TopWire ()
	Returns the wire in the top face.

const TopoDS_Wire &	BottomWire ()
	Returns the wire in the bottom face.

const TopoDS_Wire &	StartWire ()
	Returns the wire in the start face.

const TopoDS_Wire &	AxisStartWire ()
	Returns the wire in the start face with the AxisEdge.

const TopoDS_Wire &	EndWire ()
	Returns the Wire in the end face.

const TopoDS_Wire &	AxisEndWire ()
	Returns the Wire in the end face with the AxisEdge.

const TopoDS_Edge &	AxisEdge ()
	Returns the Edge built along the Axis and oriented on +Z of the Axis.

const TopoDS_Edge &	StartEdge ()
	Returns the Edge at angle 0.

const TopoDS_Edge &	EndEdge ()
	Returns the Edge at angle Angle. If !HasSides() the StartEdge and the EndEdge are the same edge.

const TopoDS_Edge &	StartTopEdge ()
	Returns the linear Edge between start Face and top Face.

const TopoDS_Edge &	StartBottomEdge ()
	Returns the linear Edge between start Face and bottom Face.

const TopoDS_Edge &	EndTopEdge ()
	Returns the linear Edge between end Face and top Face.

const TopoDS_Edge &	EndBottomEdge ()
	Returns the linear Edge between end Face and bottom Face.

const TopoDS_Edge &	TopEdge ()
	Returns the edge at VMax. If MeridianClosed() the TopEdge and the BottomEdge are the same edge.

const TopoDS_Edge &	BottomEdge ()
	Returns the edge at VMin. If MeridianClosed() the TopEdge and the BottomEdge are the same edge.

const TopoDS_Vertex &	AxisTopVertex ()
	Returns the Vertex at the Top altitude on the axis.

const TopoDS_Vertex &	AxisBottomVertex ()
	Returns the Vertex at the Bottom altitude on the axis.

const TopoDS_Vertex &	TopStartVertex ()
	Returns the vertex (0,VMax)

const TopoDS_Vertex &	TopEndVertex ()
	Returns the vertex (angle,VMax)

const TopoDS_Vertex &	BottomStartVertex ()
	Returns the vertex (0,VMin)

const TopoDS_Vertex &	BottomEndVertex ()
	Returns the vertex (angle,VMax)

virtual	~BRepPrim_OneAxis ()

Protected Member Functions
	BRepPrim_Revolution (const gp_Ax2 &A, const Standard_Real VMin, const Standard_Real VMax)
	Create a revolution body. The meridian is set later. Reserved for derivated classes.

void	Meridian (const Handle< Geom_Curve > &M, const Handle< Geom2d_Curve > &PM)

Protected Member Functions inherited from BRepPrim_OneAxis
	BRepPrim_OneAxis (const BRepPrim_Builder &B, const gp_Ax2 &A, const Standard_Real VMin, const Standard_Real VMax)
	Creates a OneAxis algorithm. *is used to build the Topology. The angle defaults to 2PI.**

Additional Inherited Members
Protected Attributes inherited from BRepPrim_OneAxis
BRepPrim_Builder	myBuilder

Detailed Description

Implement the OneAxis algorithm for a revolution surface.

Constructor & Destructor Documentation

◆ BRepPrim_Revolution() [1/2]

BRepPrim_Revolution::BRepPrim_Revolution	(	const gp_Ax2 &	A,
		const Standard_Real	VMin,
		const Standard_Real	VMax,
		const Handle< Geom_Curve > &	M,
		const Handle< Geom2d_Curve > &	PM )

Create a revolution body <M> is the meridian nd must be in the XZ plane of . <PM> is the meridian in the XZ plane.

◆ BRepPrim_Revolution() [2/2]

BRepPrim_Revolution::BRepPrim_Revolution	(	const gp_Ax2 &	A,
		const Standard_Real	VMin,
		const Standard_Real	VMax )

protected

Create a revolution body. The meridian is set later. Reserved for derivated classes.

Member Function Documentation

◆ MakeEmptyLateralFace()

virtual TopoDS_Face BRepPrim_Revolution::MakeEmptyLateralFace ( ) const

virtual

The surface normal should be directed towards the outside.

Implements BRepPrim_OneAxis.

Reimplemented in BRepPrim_Cone, BRepPrim_Cylinder, BRepPrim_Sphere, and BRepPrim_Torus.

◆ MakeEmptyMeridianEdge()

virtual TopoDS_Edge BRepPrim_Revolution::MakeEmptyMeridianEdge ( const Standard_Real Ang ) const

virtual

Returns an edge with a 3D curve made from the meridian in the XZ plane rotated by <Ang> around the Z-axis. Ang may be 0 or myAngle.

Implements BRepPrim_OneAxis.

◆ Meridian()

void BRepPrim_Revolution::Meridian	(	const Handle< Geom_Curve > &	M,
		const Handle< Geom2d_Curve > &	PM )

protected

◆ MeridianValue()

virtual gp_Pnt2d BRepPrim_Revolution::MeridianValue ( const Standard_Real V ) const

virtual

Returns the meridian point at parameter <V> in the plane XZ.

Implements BRepPrim_OneAxis.

◆ SetMeridianPCurve()

virtual void BRepPrim_Revolution::SetMeridianPCurve	(	TopoDS_Edge &	E,
		const TopoDS_Face &	F ) const

virtual

Sets the parametric urve of the edge <E> in the face <F> to be the 2d representation of the meridian.

Implements BRepPrim_OneAxis.

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

BRepPrim_Revolution.hxx

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BRepPrim_Revolution() [1/2]

◆ BRepPrim_Revolution() [2/2]

Member Function Documentation

◆ MakeEmptyLateralFace()

◆ MakeEmptyMeridianEdge()

◆ Meridian()

◆ MeridianValue()

◆ SetMeridianPCurve()