| Entité | Attributs |
|---|---|
| IfcPropertyAbstraction | HasExternalReferences |
| IfcProperty | Name, Description, PartOfPset, PropertyForDependance, PropertyDependsOn, PartOfComplex, HasConstraints, HasApprovals |
| Nom | Type |
|---|---|
| DefiningValues | IfcValue |
| DefinedValues | IfcValue |
| Expression | IfcText |
| DefiningUnit | IfcUnit |
| DefinedUnit | IfcUnit |
| CurveInterpolation |
IfcCurveInterpolationEnum : Curve Interpolation Enum
LINEAR, LOG_LINEAR, LOG_LOG, NOTDEFINED |