IFC (IFC4X3) development Arbitrary Profile Definition

Arbitrary profile definitions are used to describe cross-sections of swept solid geometry using curve segments defined by closed two-dimensional curves.

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

G IfcProfileDef IfcProfileDef 1. ProfileType [1:1] 2. ProfileName [0:1]      HasExternalReference [0:?]      HasProperties [0:?] IfcProfileTypeEnum IfcProfileTypeEnum IfcProfileDef:ProfileType1->IfcProfileTypeEnum:IfcProfileTypeEnum0 IfcLabel IfcLabel IfcProfileDef:ProfileName1->IfcLabel:IfcLabel0

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