IFC (IFC4X3_ADD2) under development Length Quantity

The following diagram shows the generic classes and relationships used when applying this concept.

G IfcQuantityLength IfcQuantityLength QuantityName 1. Name [1:1] 2. Description [0:1]      HasExternalReferences [0:?]      PartOfComplex [0:1] 3. Unit [0:1] LengthValue 4. LengthValue [1:1] 5. Formula [0:1] IfcLabel_0 IfcLabel IfcQuantityLength:Name1->IfcLabel_0:IfcLabel0 IfcText IfcText IfcQuantityLength:Description1->IfcText:IfcText0 IfcLengthMeasure IfcLengthMeasure IfcQuantityLength:LengthValue1->IfcLengthMeasure:IfcLengthMeasure0 IfcLabel_1 IfcLabel IfcQuantityLength:Formula1->IfcLabel_1:IfcLabel0

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