All Classes
Packages
com.aspose.cad
com.aspose.cad.cadexceptions.imageformats
com.aspose.cad.dxf.core.fileformats.cad
com.aspose.cad.dxf.core.fileformats.cad.writers
com.aspose.cad.dxf.core.fileformats.dwg.pageandsection
com.aspose.cad.dxf.core.watermark
com.aspose.cad.dxf.core.watermark.validator
com.aspose.cad.exif
com.aspose.cad.exporters.cadapsentitiesexporter.cadaps3d
com.aspose.cad.exporters.igesexporter.igesdrawableexporter
com.aspose.cad.fileformats
com.aspose.cad.fileformats.cad
com.aspose.cad.fileformats.cad.cadconsts
com.aspose.cad.fileformats.cad.cadobjects
com.aspose.cad.fileformats.cad.cadobjects.acadtable
com.aspose.cad.fileformats.cad.cadobjects.attentities
com.aspose.cad.fileformats.cad.cadobjects.blocks
com.aspose.cad.fileformats.cad.cadobjects.datatable
com.aspose.cad.fileformats.cad.cadobjects.dictionary
com.aspose.cad.fileformats.cad.cadobjects.dimassoc
com.aspose.cad.fileformats.cad.cadobjects.field
com.aspose.cad.fileformats.cad.cadobjects.hatch
com.aspose.cad.fileformats.cad.cadobjects.helpers
com.aspose.cad.fileformats.cad.cadobjects.mlinestyleobject
com.aspose.cad.fileformats.cad.cadobjects.objectcontextdataclasses
com.aspose.cad.fileformats.cad.cadobjects.perssubentmanager
com.aspose.cad.fileformats.cad.cadobjects.polylines
com.aspose.cad.fileformats.cad.cadobjects.section
com.aspose.cad.fileformats.cad.cadobjects.sunstudy
com.aspose.cad.fileformats.cad.cadobjects.tablestyle
com.aspose.cad.fileformats.cad.cadobjects.underlaydefinition
com.aspose.cad.fileformats.cad.cadobjects.vertices
com.aspose.cad.fileformats.cad.cadobjects.wipeout
com.aspose.cad.fileformats.cad.cadparameters
com.aspose.cad.fileformats.cad.cadtables
com.aspose.cad.fileformats.cad.dwg
com.aspose.cad.fileformats.cad.dwg.acdbobjects
com.aspose.cad.fileformats.cad.dwg.appinfo
com.aspose.cad.fileformats.cad.dwg.pageandsection.writer
com.aspose.cad.fileformats.cad.dwg.r2004
com.aspose.cad.fileformats.cad.dwg.revhistory
com.aspose.cad.fileformats.cad.dwg.summaryinfo
com.aspose.cad.fileformats.cf2
com.aspose.cad.fileformats.collada
com.aspose.cad.fileformats.collada.fileparser.elements
com.aspose.cad.fileformats.dgn
com.aspose.cad.fileformats.dgn.dgnelements
com.aspose.cad.fileformats.dgn.dgntransform
com.aspose.cad.fileformats.dwf
com.aspose.cad.fileformats.dwf.visitors
com.aspose.cad.fileformats.dwf.whip
com.aspose.cad.fileformats.dwf.whip.objects
com.aspose.cad.fileformats.dwf.whip.objects.drawable
com.aspose.cad.fileformats.dwf.whip.objects.drawable.text
com.aspose.cad.fileformats.dwf.whip.objects.service
com.aspose.cad.fileformats.dwf.whip.objects.service.font
com.aspose.cad.fileformats.fbx
com.aspose.cad.fileformats.ifc
com.aspose.cad.fileformats.ifc.header
com.aspose.cad.fileformats.ifc.ifc2x3.entities
com.aspose.cad.fileformats.ifc.ifc2x3.types
com.aspose.cad.fileformats.ifc.ifc4.entities
com.aspose.cad.fileformats.ifc.ifc4.types
com.aspose.cad.fileformats.ifc.ifcdrawing.visitors
com.aspose.cad.fileformats.iges
com.aspose.cad.fileformats.iges.commondefinitions
com.aspose.cad.fileformats.iges.drawables
com.aspose.cad.fileformats.jpeg
com.aspose.cad.fileformats.obj
com.aspose.cad.fileformats.obj.elements
com.aspose.cad.fileformats.obj.mtl
com.aspose.cad.fileformats.obj.vertexdata
com.aspose.cad.fileformats.obj.vertexdata.index
com.aspose.cad.fileformats.pdf
com.aspose.cad.fileformats.plt
com.aspose.cad.fileformats.plt.pltparsers.pltparser
com.aspose.cad.fileformats.plt.pltparsers.pltparser.pltcommands
com.aspose.cad.fileformats.plt.pltparsers.pltparser.pltplotitems
com.aspose.cad.fileformats.psd
com.aspose.cad.fileformats.psd.resources
com.aspose.cad.fileformats.shx
com.aspose.cad.fileformats.stl
com.aspose.cad.fileformats.stl.stllibrary.core.models
com.aspose.cad.fileformats.stp
com.aspose.cad.fileformats.stp.items
com.aspose.cad.fileformats.stp.renderer
com.aspose.cad.fileformats.stp.stplibrary.core.models
com.aspose.cad.fileformats.svg
com.aspose.cad.fileformats.threeds
com.aspose.cad.fileformats.threeds.elements
com.aspose.cad.imagefilters.filteroptions
com.aspose.cad.imageoptions
com.aspose.cad.imageoptions.svgoptionsparameters
com.aspose.cad.palettehelper
com.aspose.cad.fileformats.ifc.ifc2x3.entities
Classes
Ifc2DCompositeCurve
IfcActionRequest
IfcActor
IfcActorRole
IfcActuatorType
IfcAddress
IfcAirTerminalBoxType
IfcAirTerminalType
IfcAirToAirHeatRecoveryType
IfcAlarmType
IfcAngularDimension
IfcAnnotation
IfcAnnotationCurveOccurrence
IfcAnnotationFillArea
IfcAnnotationFillAreaOccurrence
IfcAnnotationOccurrence
IfcAnnotationSurface
IfcAnnotationSurfaceOccurrence
IfcAnnotationSymbolOccurrence
IfcAnnotationTextOccurrence
IfcApplication
IfcAppliedValue
IfcAppliedValueRelationship
IfcApproval
IfcApprovalActorRelationship
IfcApprovalPropertyRelationship
IfcApprovalRelationship
IfcArbitraryClosedProfileDef
IfcArbitraryOpenProfileDef
IfcArbitraryProfileDefWithVoids
IfcAsset
IfcAsymmetricIShapeProfileDef
IfcAxis1Placement
IfcAxis2Placement2D
IfcAxis2Placement3D
IfcBeam
IfcBeamType
IfcBezierCurve
IfcBlobTexture
IfcBlock
IfcBoilerType
IfcBooleanClippingResult
IfcBooleanResult
IfcBoundaryCondition
IfcBoundaryEdgeCondition
IfcBoundaryFaceCondition
IfcBoundaryNodeCondition
IfcBoundaryNodeConditionWarping
IfcBoundedCurve
IfcBoundedSurface
IfcBoundingBox
IfcBoxedHalfSpace
IfcBSplineCurve
IfcBuilding
IfcBuildingElement
IfcBuildingElementComponent
IfcBuildingElementPart
IfcBuildingElementProxy
IfcBuildingElementProxyType
IfcBuildingElementType
IfcBuildingStorey
IfcCableCarrierFittingType
IfcCableCarrierSegmentType
IfcCableSegmentType
IfcCalendarDate
IfcCartesianPoint
IfcCartesianTransformationOperator
IfcCartesianTransformationOperator2D
IfcCartesianTransformationOperator2DnonUniform
IfcCartesianTransformationOperator3D
IfcCartesianTransformationOperator3DnonUniform
IfcCenterLineProfileDef
IfcChamferEdgeFeature
IfcChillerType
IfcCircle
IfcCircleHollowProfileDef
IfcCircleProfileDef
IfcClassification
IfcClassificationItem
IfcClassificationItemRelationship
IfcClassificationNotation
IfcClassificationNotationFacet
IfcClassificationReference
IfcClosedShell
IfcCoilType
IfcColourRgb
IfcColourSpecification
IfcColumn
IfcColumnType
IfcComplexProperty
IfcCompositeCurve
IfcCompositeCurveSegment
IfcCompositeProfileDef
IfcCompressorType
IfcCondenserType
IfcCondition
IfcConditionCriterion
IfcConic
IfcConnectedFaceSet
IfcConnectionCurveGeometry
IfcConnectionGeometry
IfcConnectionPointEccentricity
IfcConnectionPointGeometry
IfcConnectionPortGeometry
IfcConnectionSurfaceGeometry
IfcConstraint
IfcConstraintAggregationRelationship
IfcConstraintClassificationRelationship
IfcConstraintRelationship
IfcConstructionEquipmentResource
IfcConstructionMaterialResource
IfcConstructionProductResource
IfcConstructionResource
IfcContextDependentUnit
IfcControl
IfcControllerType
IfcConversionBasedUnit
IfcCooledBeamType
IfcCoolingTowerType
IfcCoordinatedUniversalTimeOffset
IfcCostItem
IfcCostSchedule
IfcCostValue
IfcCovering
IfcCoveringType
IfcCraneRailAShapeProfileDef
IfcCraneRailFShapeProfileDef
IfcCrewResource
IfcCsgPrimitive3D
IfcCsgSolid
IfcCShapeProfileDef
IfcCurrencyRelationship
IfcCurtainWall
IfcCurtainWallType
IfcCurve
IfcCurveBoundedPlane
IfcCurveStyle
IfcCurveStyleFont
IfcCurveStyleFontAndScaling
IfcCurveStyleFontPattern
IfcDamperType
IfcDateAndTime
IfcDefinedSymbol
IfcDerivedProfileDef
IfcDerivedUnit
IfcDerivedUnitElement
IfcDiameterDimension
IfcDimensionalExponents
IfcDimensionCalloutRelationship
IfcDimensionCurve
IfcDimensionCurveDirectedCallout
IfcDimensionCurveTerminator
IfcDimensionPair
IfcDirection
IfcDiscreteAccessory
IfcDiscreteAccessoryType
IfcDistributionChamberElement
IfcDistributionChamberElementType
IfcDistributionControlElement
IfcDistributionControlElementType
IfcDistributionElement
IfcDistributionElementType
IfcDistributionFlowElement
IfcDistributionFlowElementType
IfcDistributionPort
IfcDocumentElectronicFormat
IfcDocumentInformation
IfcDocumentInformationRelationship
IfcDocumentReference
IfcDoor
IfcDoorLiningProperties
IfcDoorPanelProperties
IfcDoorStyle
IfcDraughtingCallout
IfcDraughtingCalloutRelationship
IfcDraughtingPreDefinedColour
IfcDraughtingPreDefinedCurveFont
IfcDraughtingPreDefinedTextFont
IfcDuctFittingType
IfcDuctSegmentType
IfcDuctSilencerType
IfcEdge
IfcEdgeCurve
IfcEdgeFeature
IfcEdgeLoop
IfcElectricalBaseProperties
IfcElectricalCircuit
IfcElectricalElement
IfcElectricApplianceType
IfcElectricDistributionPoint
IfcElectricFlowStorageDeviceType
IfcElectricGeneratorType
IfcElectricHeaterType
IfcElectricMotorType
IfcElectricTimeControlType
IfcElement
IfcElementarySurface
IfcElementAssembly
IfcElementComponent
IfcElementComponentType
IfcElementQuantity
IfcElementType
IfcEllipse
IfcEllipseProfileDef
IfcEnergyConversionDevice
IfcEnergyConversionDeviceType
IfcEnergyProperties
IfcEnvironmentalImpactValue
IfcEquipmentElement
IfcEquipmentStandard
IfcEvaporativeCoolerType
IfcEvaporatorType
IfcExtendedMaterialProperties
IfcExternallyDefinedHatchStyle
IfcExternallyDefinedSurfaceStyle
IfcExternallyDefinedSymbol
IfcExternallyDefinedTextFont
IfcExternalReference
IfcExtrudedAreaSolid
IfcFace
IfcFaceBasedSurfaceModel
IfcFaceBound
IfcFaceOuterBound
IfcFaceSurface
IfcFacetedBrep
IfcFacetedBrepWithVoids
IfcFailureConnectionCondition
IfcFanType
IfcFastener
IfcFastenerType
IfcFeatureElement
IfcFeatureElementAddition
IfcFeatureElementSubtraction
IfcFillAreaStyle
IfcFillAreaStyleHatching
IfcFillAreaStyleTiles
IfcFillAreaStyleTileSymbolWithStyle
IfcFilterType
IfcFireSuppressionTerminalType
IfcFlowController
IfcFlowControllerType
IfcFlowFitting
IfcFlowFittingType
IfcFlowInstrumentType
IfcFlowMeterType
IfcFlowMovingDevice
IfcFlowMovingDeviceType
IfcFlowSegment
IfcFlowSegmentType
IfcFlowStorageDevice
IfcFlowStorageDeviceType
IfcFlowTerminal
IfcFlowTerminalType
IfcFlowTreatmentDevice
IfcFlowTreatmentDeviceType
IfcFluidFlowProperties
IfcFooting
IfcFuelProperties
IfcFurnishingElement
IfcFurnishingElementType
IfcFurnitureStandard
IfcFurnitureType
IfcGasTerminalType
IfcGeneralMaterialProperties
IfcGeneralProfileProperties
IfcGeometricCurveSet
IfcGeometricRepresentationContext
IfcGeometricRepresentationItem
IfcGeometricRepresentationSubContext
IfcGeometricSet
IfcGrid
IfcGridAxis
IfcGridPlacement
IfcGroup
IfcHalfSpaceSolid
IfcHeatExchangerType
IfcHumidifierType
IfcHygroscopicMaterialProperties
IfcImageTexture
IfcInventory
IfcIrregularTimeSeries
IfcIrregularTimeSeriesValue
IfcIShapeProfileDef
IfcJunctionBoxType
IfcLaborResource
IfcLampType
IfcLibraryInformation
IfcLibraryReference
IfcLightDistributionData
IfcLightFixtureType
IfcLightIntensityDistribution
IfcLightSource
IfcLightSourceAmbient
IfcLightSourceDirectional
IfcLightSourceGoniometric
IfcLightSourcePositional
IfcLightSourceSpot
IfcLine
IfcLinearDimension
IfcLocalPlacement
IfcLocalTime
IfcLoop
IfcLShapeProfileDef
IfcManifoldSolidBrep
IfcMappedItem
IfcMaterial
IfcMaterialClassificationRelationship
IfcMaterialDefinitionRepresentation
IfcMaterialLayer
IfcMaterialLayerSet
IfcMaterialLayerSetUsage
IfcMaterialList
IfcMaterialProperties
IfcMeasureWithUnit
IfcMechanicalConcreteMaterialProperties
IfcMechanicalFastener
IfcMechanicalFastenerType
IfcMechanicalMaterialProperties
IfcMechanicalSteelMaterialProperties
IfcMember
IfcMemberType
IfcMetric
IfcMonetaryUnit
IfcMotorConnectionType
IfcMove
IfcNamedUnit
IfcObject
IfcObjectDefinition
IfcObjective
IfcObjectPlacement
IfcOccupant
IfcOffsetCurve2D
IfcOffsetCurve3D
IfcOneDirectionRepeatFactor
IfcOpeningElement
IfcOpenShell
IfcOpticalMaterialProperties
IfcOrderAction
IfcOrganization
IfcOrganizationRelationship
IfcOrientedEdge
IfcOutletType
IfcOwnerHistory
IfcParameterizedProfileDef
IfcPath
IfcPerformanceHistory
IfcPermeableCoveringProperties
IfcPermit
IfcPerson
IfcPersonAndOrganization
IfcPhysicalComplexQuantity
IfcPhysicalQuantity
IfcPhysicalSimpleQuantity
IfcPile
IfcPipeFittingType
IfcPipeSegmentType
IfcPixelTexture
IfcPlacement
IfcPlanarBox
IfcPlanarExtent
IfcPlane
IfcPlate
IfcPlateType
IfcPoint
IfcPointOnCurve
IfcPointOnSurface
IfcPolygonalBoundedHalfSpace
IfcPolyline
IfcPolyLoop
IfcPort
IfcPostalAddress
IfcPreDefinedColour
IfcPreDefinedCurveFont
IfcPreDefinedDimensionSymbol
IfcPreDefinedItem
IfcPreDefinedPointMarkerSymbol
IfcPreDefinedSymbol
IfcPreDefinedTerminatorSymbol
IfcPreDefinedTextFont
IfcPresentationLayerAssignment
IfcPresentationLayerWithStyle
IfcPresentationStyle
IfcPresentationStyleAssignment
IfcProcedure
IfcProcess
IfcProduct
IfcProductDefinitionShape
IfcProductRepresentation
IfcProductsOfCombustionProperties
IfcProfileDef
IfcProfileProperties
IfcProject
IfcProjectionCurve
IfcProjectionElement
IfcProjectOrder
IfcProjectOrderRecord
IfcProperty
IfcPropertyBoundedValue
IfcPropertyConstraintRelationship
IfcPropertyDefinition
IfcPropertyDependencyRelationship
IfcPropertyEnumeratedValue
IfcPropertyEnumeration
IfcPropertyListValue
IfcPropertyReferenceValue
IfcPropertySet
IfcPropertySetDefinition
IfcPropertySingleValue
IfcPropertyTableValue
IfcProtectiveDeviceType
IfcProxy
IfcPumpType
IfcQuantityArea
IfcQuantityCount
IfcQuantityLength
IfcQuantityTime
IfcQuantityVolume
IfcQuantityWeight
IfcRadiusDimension
IfcRailing
IfcRailingType
IfcRamp
IfcRampFlight
IfcRampFlightType
IfcRationalBezierCurve
IfcRectangleHollowProfileDef
IfcRectangleProfileDef
IfcRectangularPyramid
IfcRectangularTrimmedSurface
IfcReferencesValueDocument
IfcRegularTimeSeries
IfcReinforcementBarProperties
IfcReinforcementDefinitionProperties
IfcReinforcingBar
IfcReinforcingElement
IfcReinforcingMesh
IfcRelAggregates
IfcRelAssigns
IfcRelAssignsTasks
IfcRelAssignsToActor
IfcRelAssignsToControl
IfcRelAssignsToGroup
IfcRelAssignsToProcess
IfcRelAssignsToProduct
IfcRelAssignsToProjectOrder
IfcRelAssignsToResource
IfcRelAssociates
IfcRelAssociatesAppliedValue
IfcRelAssociatesApproval
IfcRelAssociatesClassification
IfcRelAssociatesConstraint
IfcRelAssociatesDocument
IfcRelAssociatesLibrary
IfcRelAssociatesMaterial
IfcRelAssociatesProfileProperties
IfcRelationship
IfcRelaxation
IfcRelConnects
IfcRelConnectsElements
IfcRelConnectsPathElements
IfcRelConnectsPorts
IfcRelConnectsPortToElement
IfcRelConnectsStructuralActivity
IfcRelConnectsStructuralElement
IfcRelConnectsStructuralMember
IfcRelConnectsWithEccentricity
IfcRelConnectsWithRealizingElements
IfcRelContainedInSpatialStructure
IfcRelCoversBldgElements
IfcRelCoversSpaces
IfcRelDecomposes
IfcRelDefines
IfcRelDefinesByProperties
IfcRelDefinesByType
IfcRelFillsElement
IfcRelFlowControlElements
IfcRelInteractionRequirements
IfcRelNests
IfcRelOccupiesSpaces
IfcRelOverridesProperties
IfcRelProjectsElement
IfcRelReferencedInSpatialStructure
IfcRelSchedulesCostItems
IfcRelSequence
IfcRelServicesBuildings
IfcRelSpaceBoundary
IfcRelVoidsElement
IfcRepresentation
IfcRepresentationContext
IfcRepresentationItem
IfcRepresentationMap
IfcResource
IfcRevolvedAreaSolid
IfcRibPlateProfileProperties
IfcRightCircularCone
IfcRightCircularCylinder
IfcRoof
IfcRoot
IfcRoundedEdgeFeature
IfcRoundedRectangleProfileDef
IfcSanitaryTerminalType
IfcScheduleTimeControl
IfcSectionedSpine
IfcSectionProperties
IfcSectionReinforcementProperties
IfcSensorType
IfcServiceLife
IfcServiceLifeFactor
IfcShapeAspect
IfcShapeModel
IfcShapeRepresentation
IfcShellBasedSurfaceModel
IfcSimpleProperty
IfcSite
IfcSIUnit
IfcSlab
IfcSlabType
IfcSlippageConnectionCondition
IfcSolidModel
IfcSoundProperties
IfcSoundValue
IfcSpace
IfcSpaceHeaterType
IfcSpaceProgram
IfcSpaceThermalLoadProperties
IfcSpaceType
IfcSpatialStructureElement
IfcSpatialStructureElementType
IfcSphere
IfcStackTerminalType
IfcStair
IfcStairFlight
IfcStairFlightType
IfcStructuralAction
IfcStructuralActivity
IfcStructuralAnalysisModel
IfcStructuralConnection
IfcStructuralConnectionCondition
IfcStructuralCurveConnection
IfcStructuralCurveMember
IfcStructuralCurveMemberVarying
IfcStructuralItem
IfcStructuralLinearAction
IfcStructuralLinearActionVarying
IfcStructuralLoad
IfcStructuralLoadGroup
IfcStructuralLoadLinearForce
IfcStructuralLoadPlanarForce
IfcStructuralLoadSingleDisplacement
IfcStructuralLoadSingleDisplacementDistortion
IfcStructuralLoadSingleForce
IfcStructuralLoadSingleForceWarping
IfcStructuralLoadStatic
IfcStructuralLoadTemperature
IfcStructuralMember
IfcStructuralPlanarAction
IfcStructuralPlanarActionVarying
IfcStructuralPointAction
IfcStructuralPointConnection
IfcStructuralPointReaction
IfcStructuralProfileProperties
IfcStructuralReaction
IfcStructuralResultGroup
IfcStructuralSteelProfileProperties
IfcStructuralSurfaceConnection
IfcStructuralSurfaceMember
IfcStructuralSurfaceMemberVarying
IfcStructuredDimensionCallout
IfcStyledItem
IfcStyledRepresentation
IfcStyleModel
IfcSubContractResource
IfcSubedge
IfcSurface
IfcSurfaceCurveSweptAreaSolid
IfcSurfaceOfLinearExtrusion
IfcSurfaceOfRevolution
IfcSurfaceStyle
IfcSurfaceStyleLighting
IfcSurfaceStyleRefraction
IfcSurfaceStyleRendering
IfcSurfaceStyleShading
IfcSurfaceStyleWithTextures
IfcSurfaceTexture
IfcSweptAreaSolid
IfcSweptDiskSolid
IfcSweptSurface
IfcSwitchingDeviceType
IfcSymbolStyle
IfcSystem
IfcSystemFurnitureElementType
IfcTable
IfcTableRow
IfcTankType
IfcTask
IfcTelecomAddress
IfcTendon
IfcTendonAnchor
IfcTerminatorSymbol
IfcTextLiteral
IfcTextLiteralWithExtent
IfcTextStyle
IfcTextStyleFontModel
IfcTextStyleForDefinedFont
IfcTextStyleTextModel
IfcTextStyleWithBoxCharacteristics
IfcTextureCoordinate
IfcTextureCoordinateGenerator
IfcTextureMap
IfcTextureVertex
IfcThermalMaterialProperties
IfcTimeSeries
IfcTimeSeriesReferenceRelationship
IfcTimeSeriesSchedule
IfcTimeSeriesValue
IfcTopologicalRepresentationItem
IfcTopologyRepresentation
IfcTransformerType
IfcTransportElement
IfcTransportElementType
IfcTrapeziumProfileDef
IfcTrimmedCurve
IfcTShapeProfileDef
IfcTubeBundleType
IfcTwoDirectionRepeatFactor
IfcTypeObject
IfcTypeProduct
IfcUnitaryEquipmentType
IfcUnitAssignment
IfcUShapeProfileDef
IfcValveType
IfcVector
IfcVertex
IfcVertexBasedTextureMap
IfcVertexLoop
IfcVertexPoint
IfcVibrationIsolatorType
IfcVirtualElement
IfcVirtualGridIntersection
IfcWall
IfcWallStandardCase
IfcWallType
IfcWasteTerminalType
IfcWaterProperties
IfcWindow
IfcWindowLiningProperties
IfcWindowPanelProperties
IfcWindowStyle
IfcWorkControl
IfcWorkPlan
IfcWorkSchedule
IfcZone
IfcZShapeProfileDef
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Overview
Package
Class
Use
Deprecated
Uses of Class
com.aspose.cad.fileformats.ifc.ifc2x3.entities.IfcRelOccupiesSpaces
No usage of com.aspose.cad.fileformats.ifc.ifc2x3.entities.IfcRelOccupiesSpaces