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Definition from buildingSMART: This objectified relationship (IfcRelAssignsToResource) handles the assignment of objects (subtypes of IfcObject) to a resource (subtypes of IfcResource).

For example: The assignment of a resource (e.g. a labor resource - as subtype of IfcResource) to a construction process on site (process as subtype of IfcObject) , is an application of this generic relationship.

HISTORY New Entity in IFC Release 2x.

EXPRESS specification:

ENTITY IfcRelAssignsToResource
SUBTYPE OF ( IfcRelAssigns);
RelatingResource  :  IfcResource;
WR1  :  SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingResource :=: Temp)) = 0;

Attribute definitions:

RelatingResource  :  Reference to the resource to which the objects are assigned to.

Formal Propositions:

WR1  :  The instance to with the relation points shall not be contained in the List of RelatedObjects.

Inheritance graph

ENTITY IfcRelAssignsToResource;
GlobalId  :  IfcGloballyUniqueId;
OwnerHistory  :  IfcOwnerHistory;
Name  :  OPTIONAL IfcLabel;
Description  :  OPTIONAL IfcText;
ENTITY IfcRelationship;
ENTITY IfcRelAssigns;
RelatedObjects  :  SET [1:?] OF IfcObjectDefinition;
RelatedObjectsType  :  OPTIONAL IfcObjectTypeEnum;
ENTITY IfcRelAssignsToResource;
RelatingResource  :  IfcResource;