| Entité | Attributs |
|---|---|
| IfcRoot | GlobalId, OwnerHistory, Name, Description |
| IfcTypeObject | ApplicableOccurrence, HasPropertySets |
| IfcTypeProduct | RepresentationMaps, Tag |
| IfcElementType | ElementType |
| Nom | Type |
|---|---|
| PredefinedType |
IfcRampFlightTypeEnum : Énumération des types de volée
STRAIGHT, SPIRAL, USERDEFINED, NOTDEFINED |