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20252453-T-424 项目

4.2.2.2.2 Faceted Brep 几何体(Faceted Brep Geometry)

下图展示了应用此概念时使用的通用类和关系。

<a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFacetedBrep.htm'>IfcFacetedBrep</a> IfcFacetedBrep      LayerAssignment [0:1]      StyledByItem [0:1] 1. Outer [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcClosedShell.htm'>IfcClosedShell</a> IfcClosedShell      LayerAssignment [0:1]      StyledByItem [0:1] 1. CfsFaces [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFacetedBrep.htm'>IfcFacetedBrep</a>:Outer1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcClosedShell.htm'>IfcClosedShell</a>:IfcClosedShell0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceSurface.htm'>IfcFaceSurface</a> IfcFaceSurface      LayerAssignment [0:1]      StyledByItem [0:1] 1. Bounds [1:?]      HasTextureMaps [0:?] 2. FaceSurface [1:1] 3. SameSense [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcClosedShell.htm'>IfcClosedShell</a>:CfsFaces1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceSurface.htm'>IfcFaceSurface</a>:IfcFaceSurface0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceBound.htm'>IfcFaceBound</a> IfcFaceBound      LayerAssignment [0:1]      StyledByItem [0:1] 1. Bound [1:1] 2. Orientation [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceSurface.htm'>IfcFaceSurface</a>:Bounds1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceBound.htm'>IfcFaceBound</a>:IfcFaceBound0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceOuterBound.htm'>IfcFaceOuterBound</a> IfcFaceOuterBound      LayerAssignment [0:1]      StyledByItem [0:1] 1. Bound [1:1] 2. Orientation [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceSurface.htm'>IfcFaceSurface</a>:Bounds1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceOuterBound.htm'>IfcFaceOuterBound</a>:IfcFaceOuterBound0 IfcPolyLoop_0 IfcPolyLoop      LayerAssignment [0:1]      StyledByItem [0:1] 1. Polygon [3:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceBound.htm'>IfcFaceBound</a>:Bound1->IfcPolyLoop_0:IfcPolyLoop0 IfcBoolean_0 IfcBoolean <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceBound.htm'>IfcFaceBound</a>:Orientation1->IfcBoolean_0:IfcBoolean0 IfcPolyLoop_1 IfcPolyLoop      LayerAssignment [0:1]      StyledByItem [0:1] 1. Polygon [3:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceOuterBound.htm'>IfcFaceOuterBound</a>:Bound1->IfcPolyLoop_1:IfcPolyLoop0 IfcBoolean_1 IfcBoolean <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFaceOuterBound.htm'>IfcFaceOuterBound</a>:Orientation1->IfcBoolean_1:IfcBoolean0 IfcCartesianPoint_0 IfcCartesianPoint      LayerAssignment [0:1]      StyledByItem [0:1] 1. Coordinates [1:3] IfcPolyLoop_0:Polygon1->IfcCartesianPoint_0:IfcCartesianPoint0 IfcCartesianPoint_1 IfcCartesianPoint      LayerAssignment [0:1]      StyledByItem [0:1] 1. Coordinates [1:3] IfcPolyLoop_1:Polygon1->IfcCartesianPoint_1:IfcCartesianPoint0
Figure 4.2.2.2.2.A