Rooted entities

• IfcObjectDefinition
  • IfcContext
    • IfcProject
    • IfcProjectLibrary
  • IfcObject
    • IfcActor
    • IfcControl
      • IfcCostItem
      • IfcCostSchedule
      • IfcProjectOrder
      • IfcWorkControl
        • IfcWorkPlan
        • IfcWorkSchedule
    • IfcGroup
      • IfcStructuralLoadGroup
        • IfcStructuralLoadCase
      • IfcStructuralResultGroup
      • IfcSystem
        • IfcDistributionSystem
        • IfcStructuralAnalysisModel
    • IfcProcess
      • IfcTask
    • IfcProduct
      • IfcAnnotation
      • IfcElement
        • IfcBuildingElement
          • IfcBeam
          • IfcColumn
            • IfcColumnStandardCase
          • IfcCovering
          • IfcFooting
          • IfcMember
            • IfcMemberStandardCase
          • IfcPile
          • IfcPlate
            • IfcPlateStandardCase
          • IfcRailing
          • IfcRamp
          • IfcRampFlight
          • IfcSlab
            • IfcSlabStandardCase
          • IfcWall
        • IfcCivilElement
        • IfcDistributionElement
          • IfcDistributionFlowElement
            • IfcFlowFitting
              • IfcCableCarrierFitting
              • IfcJunctionBox
              • IfcPipeFitting
            • IfcFlowSegment
              • IfcCableCarrierSegment
              • IfcPipeSegment
            • IfcFlowTerminal
              • IfcLightFixture
              • IfcWasteTerminal
        • IfcElementAssembly
        • IfcElementComponent
          • IfcMechanicalFastener
          • IfcReinforcingElement
            • IfcReinforcingBar
            • IfcReinforcingMesh
            • IfcTendon
            • IfcTendonAnchor
        • IfcFeatureElement
          • IfcFeatureElementSubtraction
            • IfcOpeningElement
        • IfcGeographicElement
      • IfcPort
        • IfcDistributionPort
      • IfcPositioningElement
        • IfcAlignment
      • IfcSpatialElement
        • IfcSpatialStructureElement
          • IfcSite
      • IfcStructuralActivity
        • IfcStructuralAction
          • IfcStructuralCurveAction
          • IfcStructuralPointAction
          • IfcStructuralSurfaceAction
        • IfcStructuralReaction
          • IfcStructuralCurveReaction
          • IfcStructuralPointReaction
          • IfcStructuralSurfaceReaction
      • IfcStructuralItem
        • IfcStructuralConnection
          • IfcStructuralCurveConnection
          • IfcStructuralPointConnection
          • IfcStructuralSurfaceConnection
        • IfcStructuralMember
          • IfcStructuralCurveMember
            • IfcStructuralCurveMemberVarying
          • IfcStructuralSurfaceMember
            • IfcStructuralSurfaceMemberVarying
  • IfcTypeObject
    • IfcTypeProduct
      • IfcElementType
        • IfcBuildingElementType
          • IfcBeamType
          • IfcColumnType
          • IfcCoveringType
          • IfcFootingType
          • IfcMemberType
          • IfcPileType
          • IfcPlateType
          • IfcRailingType
          • IfcRampFlightType
          • IfcRampType
          • IfcSlabType
          • IfcWallType
        • IfcCivilElementType
        • IfcDistributionElementType
          • IfcDistributionFlowElementType
            • IfcFlowFittingType
              • IfcCableCarrierFittingType
              • IfcJunctionBoxType
              • IfcPipeFittingType
            • IfcFlowSegmentType
              • IfcCableCarrierSegmentType
              • IfcPipeSegmentType
            • IfcFlowTerminalType
              • IfcLightFixtureType
              • IfcWasteTerminalType
        • IfcElementAssemblyType
        • IfcElementComponentType
          • IfcMechanicalFastenerType
          • IfcReinforcingElementType
            • IfcReinforcingBarType
            • IfcReinforcingMeshType
            • IfcTendonAnchorType
            • IfcTendonType
        • IfcGeographicElementType
• IfcPropertyDefinition
  • IfcPropertySetDefinition
    • IfcPropertySet
    • IfcQuantitySet
      • IfcElementQuantity
• IfcRelationship
  • IfcRelAssigns
    • IfcRelAssignsToControl
    • IfcRelAssignsToGroup
    • IfcRelAssignsToProduct
  • IfcRelAssociates
    • IfcRelAssociatesConstraint
    • IfcRelAssociatesDocument
    • IfcRelAssociatesMaterial
  • IfcRelConnects
    • IfcRelConnectsElements
      • IfcRelConnectsPathElements
    • IfcRelConnectsPorts
    • IfcRelConnectsStructuralActivity
    • IfcRelConnectsStructuralMember
    • IfcRelContainedInSpatialStructure
    • IfcRelPositions
    • IfcRelSequence
  • IfcRelDeclares
  • IfcRelDecomposes
    • IfcRelAggregates
    • IfcRelNests
    • IfcRelVoidsElement
  • IfcRelDefines
    • IfcRelDefinesByProperties
    • IfcRelDefinesByType

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