IFClite TypeScript API
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    Enumeration RelationshipType

    Relationship kinds stored in the bidirectional relationship graph.

    Index
    AdheresToElement Aggregates AssignsTasks AssignsToActor AssignsToControl AssignsToGroup AssignsToGroupByFactor AssignsToProcess AssignsToProduct AssignsToProjectOrder AssignsToResource AssociatesAppliedValue AssociatesApproval AssociatesClassification AssociatesConstraint AssociatesDocument AssociatesLibrary AssociatesMaterial AssociatesProfileDef AssociatesProfileProperties ConnectsElements ConnectsPathElements ConnectsPorts ConnectsPortToElement ConnectsStructuralActivity ConnectsStructuralElement ConnectsStructuralMember ConnectsWithEccentricity ConnectsWithRealizingElements ContainsElements CoversBldgElements CoversSpaces Declares DefinesByObject DefinesByProperties DefinesByTemplate DefinesByType FillsElement FlowControlElements InteractionRequirements InterferesElements Nests OccupiesSpaces OverridesProperties Positions ProjectsElement ReferencedInSpatialStructure SchedulesCostItems Sequence ServicesBuildings SpaceBoundary SpaceBoundary1stLevel SpaceBoundary2ndLevel VoidsElement
    AdheresToElement: 5
    Aggregates: 2
    AssignsTasks: 67

    IFC2X3-only subtype of IfcRelAssignsToControl.

    AssignsToActor: 63

    IfcRelAssignsToActor (#4205).

    AssignsToControl: 66

    IfcRelAssignsToControl (#4205).

    AssignsToGroup: 60
    AssignsToGroupByFactor: 62

    IfcRelAssignsToGroupByFactor; also recorded under AssignsToGroup (#4205).

    AssignsToProcess: 65

    IfcRelAssignsToProcess (#4205).

    AssignsToProduct: 61
    AssignsToProjectOrder: 68

    IFC2X3-only subtype of IfcRelAssignsToControl.

    AssignsToResource: 64

    IfcRelAssignsToResource (#4205).

    AssociatesAppliedValue: 35
    AssociatesApproval: 33
    AssociatesClassification: 30
    AssociatesConstraint: 32
    AssociatesDocument: 31
    AssociatesLibrary: 34
    AssociatesMaterial: 20
    AssociatesProfileDef: 36
    AssociatesProfileProperties: 37
    ConnectsElements: 43
    ConnectsPathElements: 40
    ConnectsPorts: 45

    IfcRelConnectsPorts — one port joined to another; with ConnectsPortToElement makes plant topology traversable.

    ConnectsPortToElement: 44

    IfcRelConnectsPortToElement — a port belongs to the element it sits on. Forward runs port → element (RelatingPort, RelatedElement).

    ConnectsStructuralActivity: 51

    IfcRelConnectsStructuralActivity (#4205).

    ConnectsStructuralElement: 54

    IfcRelConnectsStructuralElement; IFC2X3 only (#4205).

    ConnectsStructuralMember: 52

    IfcRelConnectsStructuralMember (#4205).

    ConnectsWithEccentricity: 53

    IfcRelConnectsWithEccentricity (#4205).

    ConnectsWithRealizingElements: 55
    ContainsElements: 1
    CoversBldgElements: 47
    CoversSpaces: 48
    Declares: 80

    IfcRelDeclares (#4205).

    DefinesByObject: 12
    DefinesByProperties: 10
    DefinesByTemplate: 13
    DefinesByType: 11
    FillsElement: 41
    FlowControlElements: 91

    IfcRelFlowControlElements (#4205).

    InteractionRequirements: 56
    InterferesElements: 46
    Nests: 3

    IfcRelNests; also recorded under Aggregates (#4205).

    OccupiesSpaces: 71

    IFC2X3-only space assignment.

    OverridesProperties: 14
    Positions: 90

    IfcRelPositions — IFC4X3 only (#4205).

    ProjectsElement: 4
    ReferencedInSpatialStructure: 70
    SchedulesCostItems: 69

    IFC2X3-only subtype of IfcRelAssignsToControl.

    Sequence: 92

    IfcRelSequence (#4205).

    ServicesBuildings: 49
    SpaceBoundary: 50
    SpaceBoundary1stLevel: 57
    SpaceBoundary2ndLevel: 58
    VoidsElement: 42

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    Enumeration Members
    AdheresToElementAggregatesAssignsTasksAssignsToActorAssignsToControlAssignsToGroupAssignsToGroupByFactorAssignsToProcessAssignsToProductAssignsToProjectOrderAssignsToResourceAssociatesAppliedValueAssociatesApprovalAssociatesClassificationAssociatesConstraintAssociatesDocumentAssociatesLibraryAssociatesMaterialAssociatesProfileDefAssociatesProfilePropertiesConnectsElementsConnectsPathElementsConnectsPortsConnectsPortToElementConnectsStructuralActivityConnectsStructuralElementConnectsStructuralMemberConnectsWithEccentricityConnectsWithRealizingElementsContainsElementsCoversBldgElementsCoversSpacesDeclaresDefinesByObjectDefinesByPropertiesDefinesByTemplateDefinesByTypeFillsElementFlowControlElementsInteractionRequirementsInterferesElementsNestsOccupiesSpacesOverridesPropertiesPositionsProjectsElementReferencedInSpatialStructureSchedulesCostItemsSequenceServicesBuildingsSpaceBoundarySpaceBoundary1stLevelSpaceBoundary2ndLevelVoidsElement