python 管子

 aSegment = GC_MakeSegment(gp_Pnt(1, 1, 1), gp_Pnt(1, 10, 1))
    anEdge = BRepBuilderAPI_MakeEdge(aSegment.Value())
    bspline_Wrie1 = BRepBuilderAPI_MakeWire(anEdge.Edge()).Wire()


    #轨迹用面
    gp_Circ_c = gp_Circ(gp_Ax2(gp_Pnt(0, 0, 0), gp_Dir(0, 1, 0)), 0.5)
    TopoDS_Edge_Ec = BRepBuilderAPI_MakeEdge(gp_Circ_c).Edge()
    TopoDS_Wire_Wc = BRepBuilderAPI_MakeWire(TopoDS_Edge_Ec).Wire();
    TopoDS_Face_F1 = BRepBuilderAPI_MakeFace(TopoDS_Wire_Wc).Face()

    gp_Circ_c2 = gp_Circ(gp_Ax2(gp_Pnt(0, 0, 0), gp_Dir(0, 1, 0)), 0.2)
    TopoDS_Edge_Ec2 = BRepBuilderAPI_MakeEdge(gp_Circ_c2).Edge()
    TopoDS_Wire_Wc2 = BRepBuilderAPI_MakeWire(TopoDS_Edge_Ec2).Wire();
    TopoDS_Face_F2 = BRepBuilderAPI_MakeFace(TopoDS_Wire_Wc2).Face()
    TopoDS_Face_cut = BRepAlgoAPI_Cut(TopoDS_Face_F1, TopoDS_Face_F2).Shape()
    # display.DisplayShape(TopoDS_Face_F, update=True)
    TopoDS_Shape_S =BRepOffsetAPI_MakePipe(bspline_Wrie1, TopoDS_Face_cut).Shape()
    # TopoDS_Shape_S = BRepOffsetAPI_MakePipe(bspline_Wrie, TopoDS_Face_F).Shape()
    display.DisplayShape(TopoDS_Shape_S, update=True)  # 显示

圆环

  gp_Circ_c = gp_Circ(gp_Ax2(gp_Pnt(0, 0, 0), gp_Dir(0, 0, 1)),DN_radius_out)
    TopoDS_Edge_Ec = BRepBuilderAPI_MakeEdge(gp_Circ_c).Edge()
    TopoDS_Wire_Wc = BRepBuilderAPI_MakeWire(TopoDS_Edge_Ec).Wire();
    TopoDS_Face_F1 = BRepBuilderAPI_MakeFace(TopoDS_Wire_Wc).Face()
    # display.DisplayShape( TopoDS_Face_F1, update=True)
    gp_Circ_c2 = gp_Circ(gp_Ax2(gp_Pnt(0, 0, 0), gp_Dir(0, 0, 1)),DN_radius)
    TopoDS_Edge_Ec2 = BRepBuilderAPI_MakeEdge(gp_Circ_c2).Edge()
    TopoDS_Wire_Wc2 = BRepBuilderAPI_MakeWire(TopoDS_Edge_Ec2).Wire();
    TopoDS_Face_F2 = BRepBuilderAPI_MakeFace(TopoDS_Wire_Wc2).Face()
    # display.DisplayShape( TopoDS_Face_F2, update=True)
    TopoDS_Face_cut = BRepAlgoAPI_Cut(TopoDS_Face_F1, TopoDS_Face_F2).Shape()