5.4.3.50 IfcRelConnectsPorts
5.4.3.50.1 Semantic definition
An IfcRelConnectsPorts relationship defines the relationship that is made between two ports at their point of connection. It may include the connection geometry between two ports.
The objectified relationship IfcRelConnectsPorts is required for defining how two instances of IfcPort connect together. Each of the ports is logically contained within the IfcDistributionElement by using the ordered collection IfcRelNests.
5.4.3.50.2 Entity inheritance
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- IfcRelConnectsPorts
- IfcRelConnectsElements
- IfcRelConnectsPortToElement
- IfcRelConnectsStructuralActivity
- IfcRelConnectsStructuralMember
- IfcRelContainedInSpatialStructure
- IfcRelCoversBldgElements
- IfcRelCoversSpaces
- IfcRelFillsElement
- IfcRelFlowControlElements
- IfcRelInterferesElements
- IfcRelPositions
- IfcRelReferencedInSpatialStructure
- IfcRelSequence
- IfcRelServicesBuildings
- IfcRelSpaceBoundary
5.4.3.50.3 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. |
| Click to show 4 hidden inherited attributes Click to hide 4 inherited attributes | |||
| IfcRelConnectsPorts (3) | |||
| 5 | RelatingPort | IfcPort |
Reference to the first port that is connected by the objectified relationship. |
| 6 | RelatedPort | IfcPort |
Reference to the second port that is connected by the objectified relationship. |
| 7 | RealizingElement | OPTIONAL IfcElement |
Defines the element that realizes a port connection relationship. |
5.4.3.50.4 Formal propositions
| Name | Description |
|---|---|
| NoSelfReference |
The instance of the RelatingPort shall not be the same instance as the RelatedPort. |
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5.4.3.50.5 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 provide for a name and a description about the concept. |
|
| Click to show 2 hidden inherited concepts Click to hide 2 inherited concepts | |||
5.4.3.50.6 Formal representation
ENTITY IfcRelConnectsPorts
SUBTYPE OF (IfcRelConnects);
RelatingPort : IfcPort;
RelatedPort : IfcPort;
RealizingElement : OPTIONAL IfcElement;
WHERE
NoSelfReference : RelatingPort :<>: RelatedPort;
END_ENTITY;