IFC 4.3.x development IfcRelAssociatesConstraint

Change log


modificationsattributes Intent is_optionalChanged from False to True Semantic definitions at the entity

The entity IfcRelAssociatesConstraint is used to apply constraint information defined by IfcConstraint, in the IfcConstraintResource schema, to subtypes of IfcRoot.

HISTORY  New entity in IFC2x2. Attributes

#Attribute Type Description
1GlobalId IfcGloballyUniqueId Assignment of a globally unique identifier within the entire software world.
2OwnerHistory 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,

> NOTE  only the last modification in stored - either as addition, deletion or modification.

> IFC4 CHANGE  The attribute has been changed to be OPTIONAL.
3Name 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.
4Description OPTIONAL IfcText Optional description, provided for exchanging informative comments.
5RelatedObjects SET [1:?] OF IfcDefinitionSelectSet of object or property definitions to which the external references or information is associated. It includes object and type objects, property set templates, property templates and property sets and contexts.

> IFC4 CHANGE  The attribute datatype has been changed from IfcRoot to IfcDefinitionSelect.
6Intent OPTIONAL IfcLabel The intent of the constraint usage with regard to its related IfcConstraint and IfcObjects, IfcPropertyDefinitions or IfcRelationships. Typical values can be e.g. RATIONALE or EXPECTED PERFORMANCE.
7RelatingConstraintIfcConstraint Reference to constraint that is being applied using this relationship. Entity inheritance

dot_inheritance IfcRelAssociatesConstraint IfcRelAssociatesConstraint IfcRelAssociates IfcRelAssociates IfcRelAssociatesConstraint->IfcRelAssociates IfcRelAssociates_children 6 more... IfcRelAssociates_children->IfcRelAssociates IfcRelationship IfcRelationship IfcRelAssociates->IfcRelationship IfcRelationship_children 5 more... IfcRelationship_children->IfcRelationship IfcRoot IfcRoot IfcRelationship->IfcRoot IfcObjectDefinition IfcObjectDefinition IfcObjectDefinition->IfcRoot IfcPropertyDefinition IfcPropertyDefinition IfcPropertyDefinition->IfcRoot Definitions applying to General Usage Identity

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

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

ENTITY IfcRelAssociatesConstraint
 SUBTYPE OF (IfcRelAssociates);
	Intent : OPTIONAL IfcLabel;
	RelatingConstraint : IfcConstraint;