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20252453-T-424 项目

4.2.8.2.1 复合剖面定义（Composite Profile Definition）

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/IfcCompositeProfileDef.htm'>IfcCompositeProfileDef</a> IfcCompositeProfileDef 1. ProfileType [1:1] 2. ProfileName [0:1]      HasExternalReference [0:?]      HasProperties [0:?] 3. Profiles [2:?] 4. Label [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProfileTypeEnum.htm'>IfcProfileTypeEnum</a> IfcProfileTypeEnum <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCompositeProfileDef.htm'>IfcCompositeProfileDef</a>:ProfileType1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProfileTypeEnum.htm'>IfcProfileTypeEnum</a>:IfcProfileTypeEnum0 IfcLabel_0 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCompositeProfileDef.htm'>IfcCompositeProfileDef</a>:ProfileName1->IfcLabel_0:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProfileDef.htm'>IfcProfileDef</a> IfcProfileDef 1. ProfileType [1:1] 2. ProfileName [0:1]      HasExternalReference [0:?]      HasProperties [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCompositeProfileDef.htm'>IfcCompositeProfileDef</a>:Profiles1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProfileDef.htm'>IfcProfileDef</a>:IfcProfileDef0 IfcLabel_1 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCompositeProfileDef.htm'>IfcCompositeProfileDef</a>:Label1->IfcLabel_1:IfcLabel0
图 4.2.8.2.1.A