IfcRelConnects

Natural language names
Semantic definitions at the entity
Entity definition

A connectivity relationship (IfcRelConnects) that connects objects under some criteria. As a general connectivity it does not imply constraints, however subtypes of the relationship define the applicable object types for the connectivity relationship and the semantics of the particular connectivity.

HISTORY: New entity in IFC Release 2x.
Inherited definitions from supertypes
Entity inheritance IfcRelConnectsElements IfcRelContainedInSpatialStructure IfcRelVoidsElement IfcRelationship IfcRoot
Attribute inheritance
#AttributeTypeCardinalityDescriptionA
IfcRoot
1GlobalIdIfcGloballyUniqueId[1:1] Assignment of a globally unique identifier within the entire software world. X
2OwnerHistoryIfcOwnerHistory[1:1] 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. X
3NameIfcLabel[0:1] 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. X
4DescriptionIfcText[0:1] Optional description, provided for exchanging informative comments.X
IfcRelationship
IfcRelConnects
Formal representations
XSD Specification
 <xs:element name="IfcRelConnects" type="ifc:IfcRelConnects" abstract="true" substitutionGroup="ifc:IfcRelationship" nillable="true"/>
 <xs:complexType name="IfcRelConnects" abstract="true">
  <xs:complexContent>
   <xs:extension base="ifc:IfcRelationship"/>
  </xs:complexContent>
 </xs:complexType>
EXPRESS Specification
ENTITY IfcRelConnects
 ABSTRACT SUPERTYPE OF(ONEOF(IfcRelConnectsElements, IfcRelContainedInSpatialStructure, IfcRelVoidsElement))
 SUBTYPE OF (IfcRelationship);
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

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