BRepPrim_Cone Class Reference

Implement the cone primitive. More...

#include <BRepPrim_Cone.hxx>

Inheritance diagram for BRepPrim_Cone:

Public Member Functions
	BRepPrim_Cone (const Standard_Real Angle, const gp_Ax2 &Position, const Standard_Real Height, const Standard_Real Radius=0)
	the STEP definition Angle = semi-angle of the cone Position : the coordinate system Height : height of the cone. Radius : radius of truncated face at z = 0
	BRepPrim_Cone (const Standard_Real Angle)
	infinite cone at origin on Z negative
	BRepPrim_Cone (const Standard_Real Angle, const gp_Pnt &Apex)
	infinite cone at Apex on Z negative
	BRepPrim_Cone (const Standard_Real Angle, const gp_Ax2 &Axes)
	infinite cone with Axes
	BRepPrim_Cone (const Standard_Real R1, const Standard_Real R2, const Standard_Real H)
	create a Cone at origin on Z axis, of height H, radius R1 at Z = 0, R2 at Z = H, X is the origin of angles. If R1 or R2 is 0 there is an apex. Otherwise, it is a truncated cone.
	BRepPrim_Cone (const gp_Pnt &Center, const Standard_Real R1, const Standard_Real R2, const Standard_Real H)
	same as above but at a given point
	BRepPrim_Cone (const gp_Ax2 &Axes, const Standard_Real R1, const Standard_Real R2, const Standard_Real H)
	same as above with given axes system.
virtual TopoDS_Face	MakeEmptyLateralFace () const override
	The surface normal should be directed towards the outside.
Public Member Functions inherited from 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.
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 ()

Additional Inherited Members
Protected Member Functions inherited from BRepPrim_Revolution
	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 2*PI.
Protected Attributes inherited from BRepPrim_OneAxis
BRepPrim_Builder	myBuilder

Detailed Description

Implement the cone primitive.

Constructor & Destructor Documentation

BRepPrim_Cone() [1/7]

BRepPrim_Cone::BRepPrim_Cone	(	const Standard_Real	Angle,
		const gp_Ax2 &	Position,
		const Standard_Real	Height,
		const Standard_Real	Radius = 0 )

the STEP definition Angle = semi-angle of the cone Position : the coordinate system Height : height of the cone. Radius : radius of truncated face at z = 0

The apex is on z < 0

Errors : Height < Resolution Angle < Resolution / Height Angle > PI/2 - Resolution / Height

BRepPrim_Cone() [2/7]

BRepPrim_Cone::BRepPrim_Cone

(

const Standard_Real

Angle

)

infinite cone at origin on Z negative

BRepPrim_Cone() [3/7]

BRepPrim_Cone::BRepPrim_Cone	(	const Standard_Real	Angle,
		const gp_Pnt &	Apex )

infinite cone at Apex on Z negative

BRepPrim_Cone() [4/7]

BRepPrim_Cone::BRepPrim_Cone	(	const Standard_Real	Angle,
		const gp_Ax2 &	Axes )

infinite cone with Axes

BRepPrim_Cone() [5/7]

BRepPrim_Cone::BRepPrim_Cone	(	const Standard_Real	R1,
		const Standard_Real	R2,
		const Standard_Real	H )

create a Cone at origin on Z axis, of height H, radius R1 at Z = 0, R2 at Z = H, X is the origin of angles. If R1 or R2 is 0 there is an apex. Otherwise, it is a truncated cone.

Error : R1 and R2 < Resolution R1 or R2 negative Abs(R1-R2) < Resolution H < Resolution H negative

BRepPrim_Cone() [6/7]

BRepPrim_Cone::BRepPrim_Cone	(	const gp_Pnt &	Center,
		const Standard_Real	R1,
		const Standard_Real	R2,
		const Standard_Real	H )

same as above but at a given point

BRepPrim_Cone() [7/7]

BRepPrim_Cone::BRepPrim_Cone	(	const gp_Ax2 &	Axes,
		const Standard_Real	R1,
		const Standard_Real	R2,
		const Standard_Real	H )

same as above with given axes system.

Member Function Documentation

MakeEmptyLateralFace()

virtual TopoDS_Face BRepPrim_Cone::MakeEmptyLateralFace ( ) const

overridevirtual

The surface normal should be directed towards the outside.

Reimplemented from BRepPrim_Revolution.

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

• BRepPrim_Cone.hxx