Open CASCADE Technology  7.7.0

BRepPrim_Revolution Class Reference

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. More...

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

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. More...

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

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. More...

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. More...

const gp_Ax2Axes () const
Returns the Ax2 from <me>. More...

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() More...

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

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

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

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

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

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

const TopoDS_ShellShell ()
Returns the Shell containing all the Faces of the primitive. More...

const TopoDS_FaceLateralFace ()
Returns the lateral Face. It is oriented toward the outside of the primitive. More...

const TopoDS_FaceTopFace ()
Returns the top planar Face. It is Oriented toward the +Z axis (outside). More...

const TopoDS_FaceBottomFace ()
Returns the Bottom planar Face. It is Oriented toward the -Z axis (outside). More...

const TopoDS_FaceStartFace ()
Returns the Face starting the slice, it is oriented toward the exterior of the primitive. More...

const TopoDS_FaceEndFace ()
Returns the Face ending the slice, it is oriented toward the exterior of the primitive. More...

const TopoDS_WireLateralWire ()
Returns the wire in the lateral face. More...

const TopoDS_WireLateralStartWire ()
Returns the wire in the lateral face with the start edge. More...

const TopoDS_WireLateralEndWire ()
Returns the wire with in lateral face with the end edge. More...

const TopoDS_WireTopWire ()
Returns the wire in the top face. More...

const TopoDS_WireBottomWire ()
Returns the wire in the bottom face. More...

const TopoDS_WireStartWire ()
Returns the wire in the start face. More...

const TopoDS_WireAxisStartWire ()
Returns the wire in the start face with the AxisEdge. More...

const TopoDS_WireEndWire ()
Returns the Wire in the end face. More...

const TopoDS_WireAxisEndWire ()
Returns the Wire in the end face with the AxisEdge. More...

const TopoDS_EdgeAxisEdge ()
Returns the Edge built along the Axis and oriented on +Z of the Axis. More...

const TopoDS_EdgeStartEdge ()
Returns the Edge at angle 0. More...

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

const TopoDS_EdgeStartTopEdge ()
Returns the linear Edge between start Face and top Face. More...

const TopoDS_EdgeStartBottomEdge ()
Returns the linear Edge between start Face and bottom Face. More...

const TopoDS_EdgeEndTopEdge ()
Returns the linear Edge between end Face and top Face. More...

const TopoDS_EdgeEndBottomEdge ()
Returns the linear Edge between end Face and bottom Face. More...

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

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

const TopoDS_VertexAxisTopVertex ()
Returns the Vertex at the Top altitude on the axis. More...

const TopoDS_VertexAxisBottomVertex ()
Returns the Vertex at the Bottom altitude on the axis. More...

const TopoDS_VertexTopStartVertex ()
Returns the vertex (0,VMax) More...

const TopoDS_VertexTopEndVertex ()
Returns the vertex (angle,VMax) More...

const TopoDS_VertexBottomStartVertex ()
Returns the vertex (0,VMin) More...

const TopoDS_VertexBottomEndVertex ()
Returns the vertex (angle,VMax) More...

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. More...

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. More...

Additional Inherited Members

Protected Attributes inherited from BRepPrim_OneAxis
BRepPrim_Builder myBuilder

Detailed Description

Implement the OneAxis algorithm for a revolution surface.

◆ 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.

◆ MakeEmptyLateralFace()

 virtual TopoDS_Face BRepPrim_Revolution::MakeEmptyLateralFace ( ) const
virtual

The surface normal should be directed towards the outside.

Implements BRepPrim_OneAxis.

Reimplemented in BRepPrim_Torus, BRepPrim_Sphere, BRepPrim_Cylinder, and BRepPrim_Cone.

◆ 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: