Open CASCADE Technology  7.3.0
Public Member Functions | Protected Member Functions

BRepPrim_Revolution Class Reference

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

#include <BRepPrim_Revolution.hxx>

Inheritance diagram for BRepPrim_Revolution:
Inheritance graph
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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 algoritm 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_Torus, and BRepPrim_Sphere.

◆ 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: