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20252453-T-424 项目
Cover
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, and abbreviated terms
4 Fundamental concepts and assumptions
5 Core data schemas
6 Shared element data schemas
7 Domain specific data schemas
8 Resource definition data schemas
A Computer interpretable listings
B Alphabetical listings
C Inheritance listings
D Diagrams
E Examples
F Change logs
Bibliography
Index
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
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