IFC 4.3.2.20251031 (IFC4X3_ADD2) under development

4.2.10.1 Area Quantity

下图展示了应用此概念时使用的通用类和关系。

G <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcQuantityArea.htm'>IfcQuantityArea</a> IfcQuantityArea QuantityName 1. Name [1:1] 2. Description [0:1]      HasExternalReferences [0:?]      PartOfComplex [0:1] 3. Unit [0:1] AreaValue 4. AreaValue [1:1] 5. Formula [0:1] IfcLabel_0 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcQuantityArea.htm'>IfcQuantityArea</a>:Name1->IfcLabel_0:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a> IfcText <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcQuantityArea.htm'>IfcQuantityArea</a>:Description1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a>:IfcText0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAreaMeasure.htm'>IfcAreaMeasure</a> IfcAreaMeasure <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcQuantityArea.htm'>IfcQuantityArea</a>:AreaValue1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAreaMeasure.htm'>IfcAreaMeasure</a>:IfcAreaMeasure0 IfcLabel_1 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcQuantityArea.htm'>IfcQuantityArea</a>:Formula1->IfcLabel_1:IfcLabel0
Figure 4.2.10.1.A

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