Rooted entities

• IfcObjectDefinition
  • IfcContext
    • IfcProject
    • IfcProjectLibrary
  • IfcObject
    • IfcActor
      • IfcOccupant
    • IfcControl
      • IfcActionRequest
      • IfcCostItem
      • IfcCostSchedule
      • IfcPerformanceHistory
      • IfcPermit
      • IfcProjectOrder
      • IfcWorkCalendar
      • IfcWorkControl
        • IfcWorkPlan
        • IfcWorkSchedule
    • IfcGroup
      • IfcAsset
      • IfcInventory
      • IfcStructuralLoadGroup
        • IfcStructuralLoadCase
      • IfcStructuralResultGroup
      • IfcSystem
        • IfcBuildingSystem
        • IfcDistributionSystem
          • IfcDistributionCircuit
        • IfcStructuralAnalysisModel
        • IfcZone
    • IfcProcess
      • IfcEvent
      • IfcProcedure
      • IfcTask
    • IfcProduct
      • IfcAnnotation
      • IfcElement
        • IfcBuildingElement
          • IfcBeam
            • IfcBeamStandardCase
          • IfcBuildingElementProxy
          • IfcChimney
          • IfcColumn
            • IfcColumnStandardCase
          • IfcCovering
          • IfcCurtainWall
          • IfcDoor
            • IfcDoorStandardCase
          • IfcFooting
          • IfcMember
            • IfcMemberStandardCase
          • IfcPile
          • IfcPlate
            • IfcPlateStandardCase
          • IfcRailing
          • IfcRamp
          • IfcRampFlight
          • IfcRoof
          • IfcShadingDevice
          • IfcSlab
            • IfcSlabElementedCase
            • IfcSlabStandardCase
          • IfcStair
          • IfcStairFlight
          • IfcWall
            • IfcWallElementedCase
            • IfcWallStandardCase
          • IfcWindow
            • IfcWindowStandardCase
        • IfcCivilElement
        • IfcDistributionElement
          • IfcDistributionControlElement
            • IfcActuator
            • IfcAlarm
            • IfcController
            • IfcFlowInstrument
            • IfcProtectiveDeviceTrippingUnit
            • IfcSensor
            • IfcUnitaryControlElement
          • IfcDistributionFlowElement
            • IfcDistributionChamberElement
            • IfcEnergyConversionDevice
              • IfcAirToAirHeatRecovery
              • IfcBoiler
              • IfcBurner
              • IfcChiller
              • IfcCoil
              • IfcCondenser
              • IfcCooledBeam
              • IfcCoolingTower
              • IfcElectricGenerator
              • IfcElectricMotor
              • IfcEngine
              • IfcEvaporativeCooler
              • IfcEvaporator
              • IfcHeatExchanger
              • IfcHumidifier
              • IfcMotorConnection
              • IfcSolarDevice
              • IfcTransformer
              • IfcTubeBundle
              • IfcUnitaryEquipment
            • IfcFlowController
              • IfcAirTerminalBox
              • IfcDamper
              • IfcElectricDistributionBoard
              • IfcElectricTimeControl
              • IfcFlowMeter
              • IfcProtectiveDevice
              • IfcSwitchingDevice
              • IfcValve
            • IfcFlowFitting
              • IfcCableCarrierFitting
              • IfcCableFitting
              • IfcDuctFitting
              • IfcJunctionBox
              • IfcPipeFitting
            • IfcFlowMovingDevice
              • IfcCompressor
              • IfcFan
              • IfcPump
            • IfcFlowSegment
              • IfcCableCarrierSegment
              • IfcCableSegment
              • IfcDuctSegment
              • IfcPipeSegment
            • IfcFlowStorageDevice
              • IfcElectricFlowStorageDevice
              • IfcTank
            • IfcFlowTerminal
              • IfcAirTerminal
              • IfcAudioVisualAppliance
              • IfcCommunicationsAppliance
              • IfcElectricAppliance
              • IfcFireSuppressionTerminal
              • IfcLamp
              • IfcLightFixture
              • IfcMedicalDevice
              • IfcOutlet
              • IfcSanitaryTerminal
              • IfcSpaceHeater
              • IfcStackTerminal
              • IfcWasteTerminal
            • IfcFlowTreatmentDevice
              • IfcDuctSilencer
              • IfcFilter
              • IfcInterceptor
        • IfcElementAssembly
        • IfcElementComponent
          • IfcBuildingElementPart
          • IfcDiscreteAccessory
          • IfcFastener
          • IfcMechanicalFastener
          • IfcReinforcingElement
            • IfcReinforcingBar
            • IfcReinforcingMesh
            • IfcTendon
            • IfcTendonAnchor
          • IfcVibrationIsolator
        • IfcFeatureElement
          • IfcFeatureElementAddition
            • IfcProjectionElement
          • IfcFeatureElementSubtraction
            • IfcOpeningElement
              • IfcOpeningStandardCase
            • IfcVoidingFeature
          • IfcSurfaceFeature
        • IfcFurnishingElement
          • IfcFurniture
          • IfcSystemFurnitureElement
        • IfcGeographicElement
        • IfcTransportElement
        • IfcVirtualElement
      • IfcGrid
      • IfcPort
        • IfcDistributionPort
      • IfcProxy
      • IfcSpatialElement
        • IfcExternalSpatialStructureElement
          • IfcExternalSpatialElement
        • IfcSpatialStructureElement
          • IfcBuilding
          • IfcBuildingStorey
          • IfcSite
          • IfcSpace
        • IfcSpatialZone
      • IfcStructuralActivity
        • IfcStructuralAction
          • IfcStructuralCurveAction
            • IfcStructuralLinearAction
          • IfcStructuralPointAction
          • IfcStructuralSurfaceAction
            • IfcStructuralPlanarAction
        • IfcStructuralReaction
          • IfcStructuralCurveReaction
          • IfcStructuralPointReaction
          • IfcStructuralSurfaceReaction
      • IfcStructuralItem
        • IfcStructuralConnection
          • IfcStructuralCurveConnection
          • IfcStructuralPointConnection
          • IfcStructuralSurfaceConnection
        • IfcStructuralMember
          • IfcStructuralCurveMember
            • IfcStructuralCurveMemberVarying
          • IfcStructuralSurfaceMember
            • IfcStructuralSurfaceMemberVarying
    • IfcResource
      • IfcConstructionResource
        • IfcConstructionEquipmentResource
        • IfcConstructionMaterialResource
        • IfcConstructionProductResource
        • IfcCrewResource
        • IfcLaborResource
        • IfcSubContractResource
  • IfcTypeObject
    • IfcTypeProcess
      • IfcEventType
      • IfcProcedureType
      • IfcTaskType
    • IfcTypeProduct
      • IfcDoorStyle
      • IfcElementType
        • IfcBuildingElementType
          • IfcBeamType
          • IfcBuildingElementProxyType
          • IfcChimneyType
          • IfcColumnType
          • IfcCoveringType
          • IfcCurtainWallType
          • IfcDoorType
          • IfcFootingType
          • IfcMemberType
          • IfcPileType
          • IfcPlateType
          • IfcRailingType
          • IfcRampFlightType
          • IfcRampType
          • IfcRoofType
          • IfcShadingDeviceType
          • IfcSlabType
          • IfcStairFlightType
          • IfcStairType
          • IfcWallType
          • IfcWindowType
        • IfcCivilElementType
        • IfcDistributionElementType
          • IfcDistributionControlElementType
            • IfcActuatorType
            • IfcAlarmType
            • IfcControllerType
            • IfcFlowInstrumentType
            • IfcProtectiveDeviceTrippingUnitType
            • IfcSensorType
            • IfcUnitaryControlElementType
          • IfcDistributionFlowElementType
            • IfcDistributionChamberElementType
            • IfcEnergyConversionDeviceType
              • IfcAirToAirHeatRecoveryType
              • IfcBoilerType
              • IfcBurnerType
              • IfcChillerType
              • IfcCoilType
              • IfcCondenserType
              • IfcCooledBeamType
              • IfcCoolingTowerType
              • IfcElectricGeneratorType
              • IfcElectricMotorType
              • IfcEngineType
              • IfcEvaporativeCoolerType
              • IfcEvaporatorType
              • IfcHeatExchangerType
              • IfcHumidifierType
              • IfcMotorConnectionType
              • IfcSolarDeviceType
              • IfcTransformerType
              • IfcTubeBundleType
              • IfcUnitaryEquipmentType
            • IfcFlowControllerType
              • IfcAirTerminalBoxType
              • IfcDamperType
              • IfcElectricDistributionBoardType
              • IfcElectricTimeControlType
              • IfcFlowMeterType
              • IfcProtectiveDeviceType
              • IfcSwitchingDeviceType
              • IfcValveType
            • IfcFlowFittingType
              • IfcCableCarrierFittingType
              • IfcCableFittingType
              • IfcDuctFittingType
              • IfcJunctionBoxType
              • IfcPipeFittingType
            • IfcFlowMovingDeviceType
              • IfcCompressorType
              • IfcFanType
              • IfcPumpType
            • IfcFlowSegmentType
              • IfcCableCarrierSegmentType
              • IfcCableSegmentType
              • IfcDuctSegmentType
              • IfcPipeSegmentType
            • IfcFlowStorageDeviceType
              • IfcElectricFlowStorageDeviceType
              • IfcTankType
            • IfcFlowTerminalType
              • IfcAirTerminalType
              • IfcAudioVisualApplianceType
              • IfcCommunicationsApplianceType
              • IfcElectricApplianceType
              • IfcFireSuppressionTerminalType
              • IfcLampType
              • IfcLightFixtureType
              • IfcMedicalDeviceType
              • IfcOutletType
              • IfcSanitaryTerminalType
              • IfcSpaceHeaterType
              • IfcStackTerminalType
              • IfcWasteTerminalType
            • IfcFlowTreatmentDeviceType
              • IfcDuctSilencerType
              • IfcFilterType
              • IfcInterceptorType
        • IfcElementAssemblyType
        • IfcElementComponentType
          • IfcBuildingElementPartType
          • IfcDiscreteAccessoryType
          • IfcFastenerType
          • IfcMechanicalFastenerType
          • IfcReinforcingElementType
            • IfcReinforcingBarType
            • IfcReinforcingMeshType
            • IfcTendonAnchorType
            • IfcTendonType
          • IfcVibrationIsolatorType
        • IfcFurnishingElementType
          • IfcFurnitureType
          • IfcSystemFurnitureElementType
        • IfcGeographicElementType
        • IfcTransportElementType
      • IfcSpatialElementType
        • IfcSpatialStructureElementType
          • IfcSpaceType
        • IfcSpatialZoneType
      • IfcWindowStyle
    • IfcTypeResource
      • IfcConstructionResourceType
        • IfcConstructionEquipmentResourceType
        • IfcConstructionMaterialResourceType
        • IfcConstructionProductResourceType
        • IfcCrewResourceType
        • IfcLaborResourceType
        • IfcSubContractResourceType
• IfcPropertyDefinition
  • IfcPropertySetDefinition
    • IfcPreDefinedPropertySet
      • IfcDoorLiningProperties
      • IfcDoorPanelProperties
      • IfcPermeableCoveringProperties
      • IfcReinforcementDefinitionProperties
      • IfcWindowLiningProperties
      • IfcWindowPanelProperties
    • IfcPropertySet
    • IfcQuantitySet
      • IfcElementQuantity
  • IfcPropertyTemplateDefinition
    • IfcPropertySetTemplate
    • IfcPropertyTemplate
      • IfcComplexPropertyTemplate
      • IfcSimplePropertyTemplate
• IfcRelationship
  • IfcRelAssigns
    • IfcRelAssignsToActor
    • IfcRelAssignsToControl
    • IfcRelAssignsToGroup
      • IfcRelAssignsToGroupByFactor
    • IfcRelAssignsToProcess
    • IfcRelAssignsToProduct
    • IfcRelAssignsToResource
  • IfcRelAssociates
    • IfcRelAssociatesApproval
    • IfcRelAssociatesClassification
    • IfcRelAssociatesConstraint
    • IfcRelAssociatesDocument
    • IfcRelAssociatesLibrary
    • IfcRelAssociatesMaterial
  • IfcRelConnects
    • IfcRelConnectsElements
      • IfcRelConnectsPathElements
      • IfcRelConnectsWithRealizingElements
    • IfcRelConnectsPorts
    • IfcRelConnectsPortToElement
    • IfcRelConnectsStructuralActivity
    • IfcRelConnectsStructuralMember
      • IfcRelConnectsWithEccentricity
    • IfcRelContainedInSpatialStructure
    • IfcRelCoversBldgElements
    • IfcRelCoversSpaces
    • IfcRelFillsElement
    • IfcRelFlowControlElements
    • IfcRelInterferesElements
    • IfcRelReferencedInSpatialStructure
    • IfcRelSequence
    • IfcRelServicesBuildings
    • IfcRelSpaceBoundary
      • IfcRelSpaceBoundary1stLevel
        • IfcRelSpaceBoundary2ndLevel
  • IfcRelDeclares
  • IfcRelDecomposes
    • IfcRelAggregates
    • IfcRelNests
    • IfcRelProjectsElement
    • IfcRelVoidsElement
  • IfcRelDefines
    • IfcRelDefinesByObject
    • IfcRelDefinesByProperties
    • IfcRelDefinesByTemplate
    • IfcRelDefinesByType

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