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5.1.3.23 IfcRelAssignsToControl

5.1.3.23.1 Semantic definition

The objectified relationship IfcRelAssignsToControl handles the assignment of a control (represented by subtypes of IfcControl) to other objects (represented by subtypes of IfcObject, with the exception of controls).

{ .change-ifc2x}

5.1.3.23.2 Entity inheritance

5.1.3.23.3 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

An 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

An optional description, provided to exchange informative comments.

IfcRelAssigns (2)
5 RelatedObjects SET [1:?] OF IfcObjectDefinition

Related objects, which are assigned to a single object. The type of the single (or relating) object is defined in the subtypes of IfcRelAssigns.

6 RelatedObjectsType OPTIONAL IfcStrippedOptional

Particular type of the assignment relationship. It can constrain the applicable object types, used within the role of RelatedObjects.

Click to show 6 hidden inherited attributes Click to hide 6 inherited attributes
IfcRelAssignsToControl (1)
7 RelatingControl IfcControl

Reference to the IfcControl that applies a control upon objects.

Table A

5.1.3.23.4 Formal propositions

Name Description
NoSelfReference

The instance to which the relation points shall not be contained in the set of RelatedObjects.

SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingControl :=: Temp)) = 0
Table B

5.1.3.23.5 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 also provide a name and description for the concept.

Click to show 2 hidden inherited concepts Click to hide 2 inherited concepts
Table C

5.1.3.23.6 Formal representation

ENTITY IfcRelAssignsToControl
SUBTYPE OF (IfcRelAssigns);
RelatingControl : IfcControl;
WHERE
NoSelfReference : SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingControl :=: Temp)) = 0;
END_ENTITY;

5.1.3.23.7 References

Edit on Github

4 contributor(s): ArturTomczakbSI-BotGeert HesselinkDion Moult
Last change: Typos and small patches in content and entities (#986) * Typos and small patches in content and entities * revert redundant changes * Update docs/schemas/core/IfcKernel/Entities/IfcObjectDefinition.md Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> * Update docs/schemas/core/IfcKernel/Entities/IfcPropertySetDefinition.md Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> * Update docs/schemas/core/IfcKernel/Entities/IfcPropertyTemplateDefinition.md Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> * Update docs/schemas/core/IfcKernel/Entities/IfcRelDeclares.md Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> * Update docs/schemas/core/IfcKernel/Entities/IfcRelationship.md Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> --------- Co-authored-by: Thomas Krijnen <t.krijnen@gmail.com> Co-authored-by: ArturTomczak <artomczak@gmail.com> by Geert Hesselink on 2025-09-18T09:21:05+01:00

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5.1.3.23.8 Changelog

5.1.3.23.8.1 IFC4

  • where rule, NoSelfReference
  • where rule, WR1