IFC 4.3.x development

5.4.3.46 IfcRelConnectsPortToElement

Change log

IFC4

modificationsattributes RelatedElement definitionChanged from IfcElement to IfcDistributionElement

5.4.3.46.1 Semantic definitions at the entity

IfcRelConnectsPortToElement is a relationship between a distribution element and dynamically connected ports where connections are realised to other distribution elements.

Ports contained in different elements are connected to each other using the IfcRelConnectsPorts relationship.

NOTE  See IfcRelNests for its usages to represent an ordered collection of ports that are contained by an element and relevant subtypes of IfcDistributionElement for examples and port use definition sections.

HISTORY  New entity in IFC2x2.

IFC4 CHANGE  The objectified relation IfcRelConnectsPortToElement is now specialized for use of dynamically connected ports. For fixed ports, use IfcRelNests instead. Previously this objectified relationship IfcRelConnectsPortToElement defined the relationship that is made between a port and the IfcElement in which it is contained. It is a 1 to 1 relationship. The IfcRelConnectsPortToElement established a whole part relationship between the element and its port. The port is used as the means to connect to other ports in other elements.

5.4.3.46.1 Attributes

#Attribute Type Description
IfcRoot
1GlobalId IfcGloballyUniqueId Assignment of a globally unique identifier within the entire software world.
2OwnerHistory OPTIONAL IfcOwnerHistoryAssignment 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.
IfcRelationship
IfcRelConnects
IfcRelConnectsPortToElement
5RelatingPort IfcPort Reference to an Port that is connected by the objectified relationship.
6RelatedElementIfcDistributionElement Reference to an IfcDistributionElement that has ports assigned.

> IFC4 CHANGE Data type restricted to IfcDistributionElement.

5.4.3.46.2 Entity inheritance

dot_inheritance IfcRelConnectsPortToElement IfcRelConnectsPortToElement IfcRelConnects IfcRelConnects IfcRelConnectsPortToElement->IfcRelConnects IfcRelConnects_children 15 more... IfcRelConnects_children->IfcRelConnects IfcRelationship IfcRelationship IfcRelConnects->IfcRelationship IfcRelationship_children 5 more... IfcRelationship_children->IfcRelationship IfcRoot IfcRoot IfcRelationship->IfcRoot IfcObjectDefinition IfcObjectDefinition IfcObjectDefinition->IfcRoot IfcPropertyDefinition IfcPropertyDefinition IfcPropertyDefinition->IfcRoot

5.4.3.46.3 Definitions applying to General Usage

5.4.3.46.3.1 Identity

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

5.4.3.46.3.2 Revision Control

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

5.4.3.46.4 Formal representations

ENTITY IfcRelConnectsPortToElement
 SUBTYPE OF (IfcRelConnects);
	RelatingPort : IfcPort;
	RelatedElement : IfcDistributionElement;
END_ENTITY;