All entities

• IfcActorRole
• IfcAddress
  • IfcPostalAddress
  • IfcTelecomAddress
• IfcAlignmentParameterSegment
  • IfcAlignmentCantSegment
  • IfcAlignmentHorizontalSegment
  • IfcAlignmentVerticalSegment
• IfcApplication
• IfcAppliedValue
  • IfcCostValue
• IfcApproval
• IfcBoundaryCondition
  • IfcBoundaryEdgeCondition
  • IfcBoundaryFaceCondition
  • IfcBoundaryNodeCondition
    • IfcBoundaryNodeConditionWarping
• IfcConnectionGeometry
  • IfcConnectionCurveGeometry
  • IfcConnectionPointGeometry
    • IfcConnectionPointEccentricity
  • IfcConnectionSurfaceGeometry
  • IfcConnectionVolumeGeometry
• IfcConstraint
  • IfcMetric
  • IfcObjective
• IfcCoordinateOperation
  • IfcMapConversion
    • IfcMapConversionScaled
  • IfcRigidOperation
• IfcCoordinateReferenceSystem
  • IfcGeographicCRS
  • IfcProjectedCRS
• IfcDerivedUnit
• IfcDerivedUnitElement
• IfcDimensionalExponents
• IfcExternalInformation
  • IfcClassification
  • IfcDocumentInformation
    • IfcDatasetInformation
  • IfcLibraryInformation
• IfcExternalReference
  • IfcClassificationReference
  • IfcDatasetReference
  • IfcDocumentReference
  • IfcExternallyDefinedHatchStyle
  • IfcExternallyDefinedSurfaceStyle
  • IfcExternallyDefinedTextFont
  • IfcLibraryReference
• IfcGridAxis
• IfcIrregularTimeSeriesValue
• IfcLightDistributionData
• IfcLightIntensityDistribution
• IfcMaterialClassificationRelationship
• IfcMaterialDefinition
  • IfcMaterial
  • IfcMaterialConstituent
  • IfcMaterialConstituentSet
  • IfcMaterialLayer
    • IfcMaterialLayerWithOffsets
  • IfcMaterialLayerSet
  • IfcMaterialProfile
    • IfcMaterialProfileWithOffsets
  • IfcMaterialProfileSet
• IfcMaterialList
• IfcMaterialUsageDefinition
  • IfcMaterialLayerSetUsage
  • IfcMaterialProfileSetUsage
    • IfcMaterialProfileSetUsageTapering
• IfcMeasureWithUnit
• IfcMonetaryUnit
• IfcNamedUnit
  • IfcContextDependentUnit
  • IfcConversionBasedUnit
    • IfcConversionBasedUnitWithOffset
  • IfcSIUnit
• IfcObjectPlacement
  • IfcGridPlacement
  • IfcLinearPlacement
  • IfcLocalPlacement
• IfcOrganization
• IfcOwnerHistory
• IfcPerson
• IfcPersonAndOrganization
• IfcPhysicalQuantity
  • IfcPhysicalComplexQuantity
  • IfcPhysicalSimpleQuantity
    • IfcQuantityArea
    • IfcQuantityCount
    • IfcQuantityLength
    • IfcQuantityNumber
    • IfcQuantityTime
    • IfcQuantityVolume
    • IfcQuantityWeight
• IfcPresentationItem
  • IfcColourRgbList
  • IfcColourSpecification
    • IfcColourRgb
  • IfcCurveStyleFont
  • IfcCurveStyleFontAndScaling
  • IfcCurveStyleFontPattern
  • IfcIndexedColourMap
  • IfcPreDefinedItem
    • IfcPreDefinedColour
      • IfcDraughtingPreDefinedColour
    • IfcPreDefinedCurveFont
      • IfcDraughtingPreDefinedCurveFont
    • IfcPreDefinedTextFont
      • IfcTextStyleFontModel
  • IfcSurfaceStyleLighting
  • IfcSurfaceStyleRefraction
  • IfcSurfaceStyleShading
    • IfcSurfaceStyleRendering
  • IfcSurfaceStyleWithTextures
  • IfcSurfaceTexture
    • IfcBlobTexture
    • IfcImageTexture
    • IfcPixelTexture
  • IfcTextStyleForDefinedFont
  • IfcTextStyleTextModel
  • IfcTextureCoordinate
    • IfcIndexedTextureMap
      • IfcIndexedPolygonalTextureMap
      • IfcIndexedTriangleTextureMap
    • IfcTextureCoordinateGenerator
    • IfcTextureMap
  • IfcTextureVertex
  • IfcTextureVertexList
• IfcPresentationLayerAssignment
  • IfcPresentationLayerWithStyle
• IfcPresentationStyle
  • IfcCurveStyle
  • IfcFillAreaStyle
  • IfcSurfaceStyle
  • IfcTextStyle
• IfcProductRepresentation
  • IfcMaterialDefinitionRepresentation
  • IfcProductDefinitionShape
• IfcProfileDef
  • IfcArbitraryClosedProfileDef
    • IfcArbitraryProfileDefWithVoids
  • IfcArbitraryOpenProfileDef
    • IfcCenterLineProfileDef
  • IfcCompositeProfileDef
  • IfcDerivedProfileDef
    • IfcMirroredProfileDef
  • IfcOpenCrossProfileDef
  • IfcParameterizedProfileDef
    • IfcAsymmetricIShapeProfileDef
    • IfcCircleProfileDef
      • IfcCircleHollowProfileDef
    • IfcCShapeProfileDef
    • IfcEllipseProfileDef
    • IfcIShapeProfileDef
    • IfcLShapeProfileDef
    • IfcRectangleProfileDef
      • IfcRectangleHollowProfileDef
      • IfcRoundedRectangleProfileDef
    • IfcTrapeziumProfileDef
    • IfcTShapeProfileDef
    • IfcUShapeProfileDef
    • IfcZShapeProfileDef
• IfcPropertyAbstraction
  • IfcExtendedProperties
    • IfcMaterialProperties
    • IfcProfileProperties
  • IfcPreDefinedProperties
    • IfcReinforcementBarProperties
    • IfcSectionProperties
    • IfcSectionReinforcementProperties
  • IfcProperty
    • IfcComplexProperty
    • IfcSimpleProperty
      • IfcPropertyBoundedValue
      • IfcPropertyEnumeratedValue
      • IfcPropertyListValue
      • IfcPropertyReferenceValue
      • IfcPropertySingleValue
      • IfcPropertyTableValue
  • IfcPropertyEnumeration
• IfcRecurrencePattern
• IfcReference
• IfcRepresentation
  • IfcShapeModel
    • IfcShapeRepresentation
    • IfcTopologyRepresentation
  • IfcStyleModel
    • IfcStyledRepresentation
• IfcRepresentationContext
  • IfcGeometricRepresentationContext
    • IfcGeometricRepresentationSubContext
• IfcRepresentationItem
  • IfcGeometricRepresentationItem
    • IfcAnnotationFillArea
    • IfcBooleanResult
      • IfcBooleanClippingResult
    • IfcBoundingBox
    • IfcCartesianPointList
      • IfcCartesianPointList2D
      • IfcCartesianPointList3D
    • IfcCartesianTransformationOperator
      • IfcCartesianTransformationOperator2D
        • IfcCartesianTransformationOperator2DnonUniform
      • IfcCartesianTransformationOperator3D
        • IfcCartesianTransformationOperator3DnonUniform
    • IfcCsgPrimitive3D
      • IfcBlock
      • IfcRectangularPyramid
      • IfcRightCircularCone
      • IfcRightCircularCylinder
      • IfcSphere
    • IfcCurve
      • IfcBoundedCurve
        • IfcBSplineCurve
          • IfcBSplineCurveWithKnots
            • IfcRationalBSplineCurveWithKnots
        • IfcCompositeCurve
          • IfcCompositeCurveOnSurface
            • IfcBoundaryCurve
              • IfcOuterBoundaryCurve
          • IfcGradientCurve
          • IfcSegmentedReferenceCurve
        • IfcIndexedPolyCurve
        • IfcPolyline
        • IfcTrimmedCurve
      • IfcConic
        • IfcCircle
        • IfcEllipse
      • IfcLine
      • IfcOffsetCurve
        • IfcOffsetCurve2D
        • IfcOffsetCurve3D
        • IfcOffsetCurveByDistances
      • IfcPcurve
      • IfcPolynomialCurve
      • IfcSpiral
        • IfcClothoid
        • IfcCosineSpiral
        • IfcSecondOrderPolynomialSpiral
        • IfcSeventhOrderPolynomialSpiral
        • IfcSineSpiral
        • IfcThirdOrderPolynomialSpiral
      • IfcSurfaceCurve
        • IfcIntersectionCurve
        • IfcSeamCurve
    • IfcDirection
    • IfcFaceBasedSurfaceModel
    • IfcFillAreaStyleHatching
    • IfcFillAreaStyleTiles
    • IfcGeometricSet
      • IfcGeometricCurveSet
    • IfcHalfSpaceSolid
      • IfcBoxedHalfSpace
      • IfcPolygonalBoundedHalfSpace
    • IfcLightSource
      • IfcLightSourceAmbient
      • IfcLightSourceDirectional
      • IfcLightSourceGoniometric
      • IfcLightSourcePositional
        • IfcLightSourceSpot
    • IfcPlacement
      • IfcAxis1Placement
      • IfcAxis2Placement2D
      • IfcAxis2Placement3D
      • IfcAxis2PlacementLinear
    • IfcPlanarExtent
      • IfcPlanarBox
    • IfcPoint
      • IfcCartesianPoint
      • IfcPointByDistanceExpression
      • IfcPointOnCurve
      • IfcPointOnSurface
    • IfcSectionedSpine
    • IfcSegment
      • IfcCompositeCurveSegment
        • IfcReparametrisedCompositeCurveSegment
      • IfcCurveSegment
    • IfcShellBasedSurfaceModel
    • IfcSolidModel
      • IfcCsgSolid
      • IfcManifoldSolidBrep
        • IfcAdvancedBrep
          • IfcAdvancedBrepWithVoids
        • IfcFacetedBrep
          • IfcFacetedBrepWithVoids
      • IfcSectionedSolid
        • IfcSectionedSolidHorizontal
      • IfcSweptAreaSolid
        • IfcDirectrixCurveSweptAreaSolid
          • IfcFixedReferenceSweptAreaSolid
            • IfcDirectrixDerivedReferenceSweptAreaSolid
          • IfcSurfaceCurveSweptAreaSolid
        • IfcExtrudedAreaSolid
          • IfcExtrudedAreaSolidTapered
        • IfcRevolvedAreaSolid
          • IfcRevolvedAreaSolidTapered
      • IfcSweptDiskSolid
        • IfcSweptDiskSolidPolygonal
    • IfcSurface
      • IfcBoundedSurface
        • IfcBSplineSurface
          • IfcBSplineSurfaceWithKnots
            • IfcRationalBSplineSurfaceWithKnots
        • IfcCurveBoundedPlane
        • IfcCurveBoundedSurface
        • IfcRectangularTrimmedSurface
      • IfcElementarySurface
        • IfcCylindricalSurface
        • IfcPlane
        • IfcSphericalSurface
        • IfcToroidalSurface
      • IfcSectionedSurface
      • IfcSweptSurface
        • IfcSurfaceOfLinearExtrusion
        • IfcSurfaceOfRevolution
    • IfcTessellatedItem
      • IfcIndexedPolygonalFace
        • IfcIndexedPolygonalFaceWithVoids
      • IfcTessellatedFaceSet
        • IfcPolygonalFaceSet
        • IfcTriangulatedFaceSet
          • IfcTriangulatedIrregularNetwork
      • IfcVoxelGrid
    • IfcTextLiteral
      • IfcTextLiteralWithExtent
    • IfcVector
  • IfcMappedItem
  • IfcStyledItem
  • IfcTopologicalRepresentationItem
    • IfcConnectedFaceSet
      • IfcClosedShell
      • IfcOpenShell
    • IfcEdge
      • IfcEdgeCurve
      • IfcOrientedEdge
      • IfcSubedge
    • IfcFace
      • IfcFaceSurface
        • IfcAdvancedFace
    • IfcFaceBound
      • IfcFaceOuterBound
    • IfcLoop
      • IfcEdgeLoop
      • IfcPolyLoop
      • IfcVertexLoop
    • IfcPath
    • IfcVertex
      • IfcVertexPoint
• IfcRepresentationMap
• IfcResourceLevelRelationship
  • IfcApprovalRelationship
  • IfcCurrencyRelationship
  • IfcDocumentInformationRelationship
  • IfcExternalReferenceRelationship
  • IfcMaterialRelationship
  • IfcOrganizationRelationship
  • IfcPropertyDependencyRelationship
  • IfcResourceApprovalRelationship
  • IfcResourceConstraintRelationship
• IfcRoot
  • 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
          • IfcBuiltSystem
          • IfcDistributionSystem
            • IfcDistributionCircuit
          • IfcStructuralAnalysisModel
          • IfcZone
      • IfcProcess
        • IfcEvent
        • IfcProcedure
        • IfcTask
      • IfcProduct
        • IfcAnnotation
        • IfcComplementaryData
          • IfcObservation
            • IfcGeoScienceObservation
          • IfcVoxelData
            • IfcIntegerVoxelData
            • IfcLabelVoxelData
            • IfcLogicalVoxelData
            • IfcRealVoxelData
            • IfcVectorVoxelData
        • IfcElement
          • IfcBuiltElement
            • IfcArchElement
            • IfcBeam
            • IfcBearing
            • IfcBuildingElementProxy
            • IfcChimney
            • IfcColumn
            • IfcCourse
            • IfcCovering
            • IfcCurtainWall
            • IfcDeepFoundation
              • IfcCaissonFoundation
              • IfcPile
            • IfcDoor
            • IfcEarthworksElement
              • IfcEarthworksFill
              • IfcImprovedGround
              • IfcReinforcedSoil
            • IfcFillElement
            • IfcFooting
            • IfcGroundReinforcementElement
            • IfcKerb
            • IfcMember
            • IfcMooringDevice
            • IfcNavigationElement
            • IfcPavement
            • IfcPlate
            • IfcRail
            • IfcRailing
            • IfcRamp
            • IfcRampFlight
            • IfcRoof
            • IfcShadingDevice
            • IfcSlab
            • IfcStair
            • IfcStairFlight
            • IfcTrackElement
            • IfcWall
              • IfcWallStandardCase
            • IfcWindow
          • 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
                • IfcDistributionBoard
                • IfcElectricDistributionBoard
                • IfcElectricTimeControl
                • IfcFlowMeter
                • IfcProtectiveDevice
                • IfcSwitchingDevice
                • IfcValve
              • IfcFlowFitting
                • IfcCableCarrierFitting
                • IfcCableFitting
                • IfcDuctFitting
                • IfcJunctionBox
                • IfcPipeFitting
              • IfcFlowMovingDevice
                • IfcCompressor
                • IfcFan
                • IfcPump
              • IfcFlowSegment
                • IfcCableCarrierSegment
                • IfcCableSegment
                • IfcConveyorSegment
                • IfcDuctSegment
                • IfcPipeSegment
              • IfcFlowStorageDevice
                • IfcElectricFlowStorageDevice
                • IfcTank
              • IfcFlowTerminal
                • IfcAirTerminal
                • IfcAudioVisualAppliance
                • IfcCommunicationsAppliance
                • IfcEarthingElement
                • IfcElectricAppliance
                • IfcFireSuppressionTerminal
                • IfcLamp
                • IfcLightFixture
                • IfcLiquidTerminal
                • IfcMedicalDevice
                • IfcMobileTelecommunicationsAppliance
                • IfcOutlet
                • IfcSanitaryTerminal
                • IfcSignal
                • IfcSpaceHeater
                • IfcStackTerminal
                • IfcWasteTerminal
              • IfcFlowTreatmentDevice
                • IfcDuctSilencer
                • IfcElectricFlowTreatmentDevice
                • IfcFilter
                • IfcInterceptor
          • IfcElementAssembly
          • IfcElementComponent
            • IfcBuildingElementPart
            • IfcDiscreteAccessory
            • IfcFastener
            • IfcImpactProtectionDevice
            • IfcMechanicalFastener
            • IfcReinforcingElement
              • IfcReinforcingBar
              • IfcReinforcingMesh
              • IfcTendon
              • IfcTendonAnchor
              • IfcTendonConduit
            • IfcSign
            • IfcVibrationDamper
            • IfcVibrationIsolator
          • IfcFeatureElement
            • IfcFeatureElementAddition
              • IfcProjectionElement
            • IfcFeatureElementSubtraction
              • IfcExcavation
                • IfcEarthworksCut
                • IfcUndergroundExcavation
                  • IfcFaceExcavation
                  • IfcRadialExcavation
              • IfcOpeningElement
              • IfcVoidingFeature
            • IfcSurfaceFeature
          • IfcFurnishingElement
            • IfcFurniture
            • IfcSystemFurnitureElement
          • IfcGeographicElement
          • IfcGeoScienceElement
            • IfcBorehole
            • IfcGeoScienceFeature
            • IfcGeoScienceModel
          • IfcGeotechnicalElement
            • IfcGeotechnicalAssembly
              • IfcGeomodel
              • IfcGeoslice
            • IfcGeotechnicalStratum
          • IfcTransportationDevice
            • IfcTransportElement
            • IfcVehicle
          • IfcVirtualElement
        • IfcLinearElement
          • IfcAlignmentCant
          • IfcAlignmentHorizontal
          • IfcAlignmentSegment
          • IfcAlignmentVertical
          • IfcLinearZone
            • IfcTunnelTypicalSection
        • IfcPort
          • IfcDistributionPort
        • IfcPositioningElement
          • IfcGrid
          • IfcLinearPositioningElement
            • IfcAlignment
          • IfcReferent
        • IfcSpatialElement
          • IfcExternalSpatialStructureElement
            • IfcExternalSpatialElement
          • IfcSpatialStructureElement
            • IfcBuildingStorey
            • IfcFacility
              • IfcBridge
              • IfcBuilding
              • IfcMarineFacility
              • IfcRailway
              • IfcRoad
              • IfcTunnel
            • IfcFacilityPart
              • IfcBridgePart
              • IfcFacilityPartCommon
              • IfcMarinePart
              • IfcRailwayPart
              • IfcRoadPart
              • IfcTunnelPart
            • 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
        • IfcElementType
          • IfcBuiltElementType
            • IfcArchElementType
            • IfcBeamType
            • IfcBearingType
            • IfcBuildingElementProxyType
            • IfcChimneyType
            • IfcColumnType
            • IfcCourseType
            • IfcCoveringType
            • IfcCurtainWallType
            • IfcDeepFoundationType
              • IfcCaissonFoundationType
              • IfcPileType
            • IfcDoorType
            • IfcFillElementType
            • IfcFootingType
            • IfcGroundReinforcementElementType
            • IfcKerbType
            • IfcMemberType
            • IfcMooringDeviceType
            • IfcNavigationElementType
            • IfcPavementType
            • IfcPlateType
            • IfcRailingType
            • IfcRailType
            • IfcRampFlightType
            • IfcRampType
            • IfcRoofType
            • IfcShadingDeviceType
            • IfcSlabType
            • IfcStairFlightType
            • IfcStairType
            • IfcTrackElementType
            • 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
                • IfcDistributionBoardType
                • IfcElectricDistributionBoardType
                • IfcElectricTimeControlType
                • IfcFlowMeterType
                • IfcProtectiveDeviceType
                • IfcSwitchingDeviceType
                • IfcValveType
              • IfcFlowFittingType
                • IfcCableCarrierFittingType
                • IfcCableFittingType
                • IfcDuctFittingType
                • IfcJunctionBoxType
                • IfcPipeFittingType
              • IfcFlowMovingDeviceType
                • IfcCompressorType
                • IfcFanType
                • IfcPumpType
              • IfcFlowSegmentType
                • IfcCableCarrierSegmentType
                • IfcCableSegmentType
                • IfcConveyorSegmentType
                • IfcDuctSegmentType
                • IfcPipeSegmentType
              • IfcFlowStorageDeviceType
                • IfcElectricFlowStorageDeviceType
                • IfcTankType
              • IfcFlowTerminalType
                • IfcAirTerminalType
                • IfcAudioVisualApplianceType
                • IfcCommunicationsApplianceType
                • IfcEarthingElementType
                • IfcElectricApplianceType
                • IfcFireSuppressionTerminalType
                • IfcLampType
                • IfcLightFixtureType
                • IfcLiquidTerminalType
                • IfcMedicalDeviceType
                • IfcMobileTelecommunicationsApplianceType
                • IfcOutletType
                • IfcSanitaryTerminalType
                • IfcSignalType
                • IfcSpaceHeaterType
                • IfcStackTerminalType
                • IfcWasteTerminalType
              • IfcFlowTreatmentDeviceType
                • IfcDuctSilencerType
                • IfcElectricFlowTreatmentDeviceType
                • IfcFilterType
                • IfcInterceptorType
          • IfcElementAssemblyType
          • IfcElementComponentType
            • IfcBuildingElementPartType
            • IfcDiscreteAccessoryType
            • IfcFastenerType
            • IfcImpactProtectionDeviceType
            • IfcMechanicalFastenerType
            • IfcReinforcingElementType
              • IfcReinforcingBarType
              • IfcReinforcingMeshType
              • IfcTendonAnchorType
              • IfcTendonConduitType
              • IfcTendonType
            • IfcSignType
            • IfcVibrationDamperType
            • IfcVibrationIsolatorType
          • IfcFurnishingElementType
            • IfcFurnitureType
            • IfcSystemFurnitureElementType
          • IfcGeographicElementType
          • IfcGeoScienceElementType
            • IfcBoreholeType
            • IfcGeoScienceFeatureType
            • IfcGeoScienceModelType
          • IfcTransportationDeviceType
            • IfcTransportElementType
            • IfcVehicleType
        • IfcSpatialElementType
          • IfcSpatialStructureElementType
            • IfcSpaceType
          • IfcSpatialZoneType
      • 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
      • IfcRelAssociatesDataset
      • IfcRelAssociatesDocument
      • IfcRelAssociatesLibrary
      • IfcRelAssociatesMaterial
      • IfcRelAssociatesProfileDef
    • IfcRelConnects
      • IfcRelConnectsElements
        • IfcRelConnectsPathElements
        • IfcRelConnectsWithRealizingElements
      • IfcRelConnectsPorts
      • IfcRelConnectsPortToElement
      • IfcRelConnectsStructuralActivity
      • IfcRelConnectsStructuralMember
        • IfcRelConnectsWithEccentricity
      • IfcRelContainedInSpatialStructure
      • IfcRelCoversBldgElements
      • IfcRelCoversSpaces
      • IfcRelFillsElement
      • IfcRelFlowControlElements
      • IfcRelInterferesElements
      • IfcRelPositions
      • IfcRelReferencedInSpatialStructure
      • IfcRelSequence
      • IfcRelServicesBuildings
      • IfcRelSpaceBoundary
        • IfcRelSpaceBoundary1stLevel
          • IfcRelSpaceBoundary2ndLevel
    • IfcRelDeclares
    • IfcRelDecomposes
      • IfcRelAdheresToElement
      • IfcRelAggregates
      • IfcRelNests
      • IfcRelProjectsElement
      • IfcRelVoidsElement
    • IfcRelDefines
      • IfcRelDefinesByObject
      • IfcRelDefinesByProperties
      • IfcRelDefinesByTemplate
      • IfcRelDefinesByType
• IfcSchedulingTime
  • IfcEventTime
  • IfcLagTime
  • IfcResourceTime
  • IfcTaskTime
    • IfcTaskTimeRecurring
  • IfcWorkTime
• IfcShapeAspect
• IfcStructuralConnectionCondition
  • IfcFailureConnectionCondition
  • IfcSlippageConnectionCondition
• IfcStructuralLoad
  • IfcStructuralLoadConfiguration
  • IfcStructuralLoadOrResult
    • IfcStructuralLoadStatic
      • IfcStructuralLoadLinearForce
      • IfcStructuralLoadPlanarForce
      • IfcStructuralLoadSingleDisplacement
        • IfcStructuralLoadSingleDisplacementDistortion
      • IfcStructuralLoadSingleForce
        • IfcStructuralLoadSingleForceWarping
      • IfcStructuralLoadTemperature
    • IfcSurfaceReinforcementArea
• IfcTable
• IfcTableColumn
• IfcTableRow
• IfcTextureCoordinateIndices
  • IfcTextureCoordinateIndicesWithVoids
• IfcTimePeriod
• IfcTimeSeries
  • IfcIrregularTimeSeries
  • IfcRegularTimeSeries
• IfcTimeSeriesValue
• IfcUnitAssignment
• IfcVirtualGridIntersection
• IfcWellKnownText

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