IFC 4.3.0.1 (IFC4X3) development

5.4.3.53 IfcRelFillsElement

5.4.3.53.1 Semantic definition

IfcRelFillsElement is an objectified relationship between an opening element and an element that fills (or partially fills) the opening element. It is an one-to-one relationship.

As shown in Figure 5.4.3.53.A, the insertion of a door into a wall is represented by two separate relationships. First the door opening is created within the wall by IfcWall <-- IfcRelVoidsElement --> IfcOpeningElement, then the door is inserted within the opening by IfcOpeningElement <-- IfcRelFillsElement --> IfcDoor.

relationships for filling
Figure 5.4.3.53.A — Relationships for element filling

5.4.3.53.2 Entity inheritance

5.4.3.53.3 Attributes

# Attribute Type Description
IfcRoot (4)
1 GlobalId IfcGloballyUniqueId

Assignment of a globally unique identifier within the entire software world.

2 OwnerHistory OPTIONAL IfcOwnerHistory

Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,

3 Name OPTIONAL IfcLabel

Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule.

4 Description OPTIONAL IfcText

Optional description, provided for exchanging informative comments.

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IfcRelFillsElement (2)
5 RelatingOpeningElement IfcOpeningElement

Opening Element being filled by virtue of this relationship.

6 RelatedBuildingElement IfcElement

Reference to ~~building~~ element that occupies fully or partially the associated opening.

Table 5.4.3.53.B

5.4.3.53.4 Concept usage

Concept Usage Description
IfcRoot (2)
Revision Control General

Ownership, history, and merge state is captured using IfcOwnerHistory.

Software Identity General

IfcRoot assigns the globally unique ID. In addition it may provide for a name and a description about the concept.

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Table 5.4.3.53.C

5.4.3.53.5 Formal representation

ENTITY IfcRelFillsElement
 SUBTYPE OF (IfcRelConnects);
	RelatingOpeningElement : IfcOpeningElement;
	RelatedBuildingElement : IfcElement;
END_ENTITY;

5.4.3.53.6 References

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