8.15.3.23 IfcSectionProperties
8.15.3.23.1 Semantic definition
IfcSectionProperties defines the cross section properties for a single longitudinal piece of a cross section. It is a special-purpose helper class for IfcSectionReinforcementProperties.
The section piece may be either uniform or tapered. In the latter case an end profile should also be provided. The start and end profiles are assumed to be of the same profile type. Generally only rectangular or circular cross section profiles are assumed to be used.
8.15.3.23.2 Entity inheritance
8.15.3.23.3 Attributes
| # | Attribute | Type | Description |
|---|---|---|---|
| IfcPropertyAbstraction (1) | |||
| HasExternalReferences | SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects |
Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition. |
|
| Click to show 1 hidden inherited attributes Click to hide 1 inherited attributes | |||
| IfcSectionProperties (3) | |||
| 1 | SectionType | IfcSectionTypeEnum |
An indicator whether a specific piece of a cross section is uniform or tapered in longitudinal direction. |
| 2 | StartProfile | IfcProfileDef |
The cross section profile at the start point of the longitudinal section. |
| 3 | EndProfile | OPTIONAL IfcProfileDef |
The cross section profile at the end point of the longitudinal section. |
8.15.3.23.4 Formal representation
ENTITY IfcSectionProperties
SUBTYPE OF (IfcPreDefinedProperties);
SectionType : IfcSectionTypeEnum;
StartProfile : IfcProfileDef;
EndProfile : OPTIONAL IfcProfileDef;
END_ENTITY;