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  • IfcRelationship
    There are two different types of relationships 1 to 1 relationships and 1 to many relationship used within the subtypes of IfcRelationship The following convention applies to all subtypes The two sides of the objectified relationship are named Relating name of relating object and Related name of related object In case of the 1 to many relationship the related side of the relationship shall be an aggregate SET 1 N

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifckernel/lexical/ifcrelationship.htm (2016-02-12)
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  • IfcElement
    and layer assignment are handled by IfcPresentationLayerAssignment Pset QuantityTakeOff common property set for elements introduced to handle additional description of quantity take off Pset ElementShading common property set for elements that have shading properties to be used in energy calculations or simulations Quantity Use Definition The quantities relating to the IfcElement are defined by the IfcElementQuantity and attached by the IfcRelDefinesByProperties A detailed specification for individual quantities is introduced at the level of subtypes of IfcElement Geometry Use Definitions The geometric representation of any IfcElement is given by the IfcProductDefinitionShape and IfcLocalPlacement allowing multiple geometric representations A detailed specification for the shape representation is introduced at the level of subtypes of IfcElement EXPRESS specification ENTITY IfcElement ABSTRACT SUPERTYPE OF ONEOF IfcBuildingElement IfcFurnishingElement IfcElectricalElement IfcDistributionElement IfcTransportElement IfcEquipmentElement IfcFeatureElement IfcElementAssembly IfcVirtualElement SUBTYPE OF IfcProduct Tag OPTIONAL IfcIdentifier INVERSE HasStructuralMember SET OF IfcRelConnectsStructuralElement FOR RelatingElement FillsVoids SET 0 1 OF IfcRelFillsElement FOR RelatedBuildingElement ConnectedTo SET OF IfcRelConnectsElements FOR RelatingElement HasCoverings SET OF IfcRelCoversBldgElements FOR RelatingBuildingElement HasProjections SET OF IfcRelProjectsElement FOR RelatingElement ReferencedInStructures SET OF IfcRelReferencedInSpatialStructure FOR RelatedElements HasPorts SET OF IfcRelConnectsPortToElement FOR RelatedElement HasOpenings SET OF IfcRelVoidsElement FOR RelatingBuildingElement IsConnectionRealization SET OF IfcRelConnectsWithRealizingElements FOR RealizingElements ProvidesBoundaries SET OF IfcRelSpaceBoundary FOR RelatedBuildingElement ConnectedFrom SET OF IfcRelConnectsElements FOR RelatedElement ContainedInStructure SET 0 1 OF IfcRelContainedInSpatialStructure FOR RelatedElements END ENTITY Attribute definitions Tag The tag or label identifier at the particular instance of a product e g the serial number or the position number It is the identifier at the occurrence level FillsVoids Reference to the Fills Relationship that puts the Element into the Opening within another Element ConnectedTo Reference to the element connection relationship The relationship then refers to the other element to which this element is connected to HasCoverings Reference to IfcCovering by virtue of the objectified relationship IfcRelCoversBldgElement It defines the concept of

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcproductextension/lexical/ifcelement.htm (2016-02-12)
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  • IfcConnectionGeometry
    the relating and related element the element connection occurs Using the eccentricity subtypes the connection can also be described when there is a physical distance or eccentricity between the connection elements The IfcConnectionGeometry allows for the provision of connection constraints between geometric and topological elements the following connection geometry topology types are in scope point vertex point curve edge curve surface face surface profile NOTE the profile or port connection

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcgeometricconstraintresource/lexical/ifcconnectiongeometry.htm (2016-02-12)
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  • IfcPhysicalOrVirtualEnum
    be physically dividing or can be a virtual divider Enumeration PHYSICAL The space boundary is provided physically i e by an physical element VIRTUAL The space boundary is provided virtually i e by a logical divider that has no physical

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcproductextension/lexical/ifcphysicalorvirtualenum.htm (2016-02-12)
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  • IfcSpaceHeater
    SpaceHeaterPHistory Pset SpaceHeaterTypeCommon CONVECTOR Pset SpaceHeaterTypeConvector RADIATOR Pset SpaceHeaterTypeRadiator Pset SoundGeneration Pset ElectricalDeviceCommon Pset Condition Pset EnvironmentalImpactIndicators Pset EnvironmentalImpactValues Pset ManufacturerOccurrence Pset ManufacturerTypeInformation Pset PackingInstructions Pset ServiceLife Pset Warranty Table 569 IfcSpaceHeater Property Sets for Objects Quantity Sets The Quantity Sets concept applies to this entity as shown in Table 570 Name Qto SpaceHeaterBaseQuantities Table 570 IfcSpaceHeater Quantity Sets Material Constituents The Material Constituents concept applies to this entity as shown in Table 571 Name Description Casing Material from which the casing is constructed Table 571 IfcSpaceHeater Material Constituents Port Nesting The Port Nesting concept applies to this entity as shown in Table 572 PredefinedType Name Flow Type Description CONVECTOR Power SINK ELECTRICAL Receives electrical power RADIATOR Inlet SINK HEATING Water or steam supply RADIATOR Outlet SOURCE HEATING Water or steam return Table 572 IfcSpaceHeater Port Nesting XSD Specification xs element name IfcSpaceHeater type ifc IfcSpaceHeater substitutionGroup ifc IfcFlowTerminal nillable true xs complexType name IfcSpaceHeater xs complexContent xs extension base ifc IfcFlowTerminal xs attribute name PredefinedType type ifc IfcSpaceHeaterTypeEnum use optional xs extension xs complexContent xs complexType EXPRESS Specification ENTITY IfcSpaceHeater SUBTYPE OF IfcFlowTerminal PredefinedType OPTIONAL IfcSpaceHeaterTypeEnum WHERE CorrectPredefinedType NOT EXISTS PredefinedType OR PredefinedType IfcSpaceHeaterTypeEnum USERDEFINED OR PredefinedType IfcSpaceHeaterTypeEnum USERDEFINED AND EXISTS SELF IfcObject ObjectType CorrectTypeAssigned SIZEOF IsTypedBy 0 OR IFCHVACDOMAIN IFCSPACEHEATERTYPE IN TYPEOF SELF IfcObject IsTypedBy 1 RelatingType END ENTITY EXPRESS G diagram Formal Propositions CorrectPredefinedType Either the PredefinedType attribute is unset e g because an IfcSpaceHeaterType is associated or the inherited attribute ObjectType shall be provided if the PredefinedType is set to USERDEFINED CorrectTypeAssigned Either there is no space heater type object associated i e the IsTypedBy inverse relationship is not provided or the associated type object has to be of type IfcSpaceHeaterType Inheritance Graph ENTITY IfcSpaceHeater ENTITY IfcRoot GlobalId IfcGloballyUniqueId OwnerHistory OPTIONAL IfcOwnerHistory Name OPTIONAL IfcLabel Description

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC4/final/html/schema/ifchvacdomain/lexical/ifcspaceheater.htm (2016-02-12)
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  • IfcRelDefinesByType
    Both may define properties by assigning an IfcPropertySet including one or many subtypes of IfcProperty to either the object type or object occurrence as shown in Figure 99 There are several scenarios to define the same property set on the object type definition and object occurrence side All properties for all object occurrences of a common object type have the same value then only the object type definition has a property set assigned All properties for all object occurrences are different that is there are no common property values for the object type definition then each of the object occurrence has a property set assigned Some properties within the same property set have common values and are assigned to the object type definition and some are occurrence specific and assigned with potentially different values to the object occurrences then The sum of all properties within a given property set applicable to an object occurrence is the union of properties assigned to the object type definition plus the properties assigned to the object occurrence If the object occurrence has a property with the same IfcProperty Name in an IfcPropertySet as the corresponding object type definition then the occurrence property value overrides the type property value Figure 99 Type definition relationships The following table provides an example of assigning properties assigned to IfcWall properties assigned to IfcWallType resulting property value for individual wall Pset WallCommon Pset WallCommon ExtendToStructure TRUE TRUE ThermalTransmittance 0 375 0 375 ExtendToStructure FALSE ExtendToStructure TRUE FALSE XSD Specification xs element name IfcRelDefinesByType type ifc IfcRelDefinesByType substitutionGroup ifc IfcRelDefines nillable true xs complexType name IfcRelDefinesByType xs complexContent xs extension base ifc IfcRelDefines xs sequence xs element name RelatedObjects xs complexType xs sequence xs element ref ifc IfcObject maxOccurs unbounded xs sequence xs attribute ref ifc itemType fixed ifc IfcObject

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC4/final/html/schema/ifckernel/lexical/ifcreldefinesbytype.htm (2016-02-12)
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  • Table of Contents
    WasteTerminalTypeWasteDisposalUnit 7 6 4 25 Pset WasteTerminalTypeWasteTrap 7 6 5 Quantity Sets 7 6 5 1 Qto FireSuppressionTerminalBaseQuantities 7 6 5 2 Qto InterceptorBaseQuantities 7 6 5 3 Qto SanitaryTerminalBaseQuantities 7 6 5 4 Qto StackTerminalBaseQuantities 7 6 5 5 Qto WasteTerminalBaseQuantities 7 7 IfcStructuralAnalysisDomain 7 7 1 Schema Definition 7 7 2 Types 7 7 2 1 IfcActionSourceTypeEnum 7 7 2 2 IfcActionTypeEnum 7 7 2 3 IfcAnalysisModelTypeEnum 7 7 2 4 IfcAnalysisTheoryTypeEnum 7 7 2 5 IfcLoadGroupTypeEnum 7 7 2 6 IfcProjectedOrTrueLengthEnum 7 7 2 7 IfcStructuralCurveActivityTypeEnum 7 7 2 8 IfcStructuralCurveMemberTypeEnum 7 7 2 9 IfcStructuralSurfaceActivityTypeEnum 7 7 2 10 IfcStructuralSurfaceMemberTypeEnum 7 7 2 11 IfcStructuralActivityAssignmentSelect 7 7 3 Entities 7 7 3 1 IfcRelConnectsStructuralActivity 7 7 3 2 IfcRelConnectsStructuralMember 7 7 3 3 IfcRelConnectsWithEccentricity 7 7 3 4 IfcStructuralAction 7 7 3 5 IfcStructuralActivity 7 7 3 6 IfcStructuralAnalysisModel 7 7 3 7 IfcStructuralConnection 7 7 3 8 IfcStructuralCurveAction 7 7 3 9 IfcStructuralCurveConnection 7 7 3 10 IfcStructuralCurveMember 7 7 3 11 IfcStructuralCurveMemberVarying 7 7 3 12 IfcStructuralCurveReaction 7 7 3 13 IfcStructuralItem 7 7 3 14 IfcStructuralLinearAction 7 7 3 15 IfcStructuralLoadCase 7 7 3 16 IfcStructuralLoadGroup 7 7 3 17 IfcStructuralMember 7 7 3 18 IfcStructuralPlanarAction 7 7 3 19 IfcStructuralPointAction 7 7 3 20 IfcStructuralPointConnection 7 7 3 21 IfcStructuralPointReaction 7 7 3 22 IfcStructuralReaction 7 7 3 23 IfcStructuralResultGroup 7 7 3 24 IfcStructuralSurfaceAction 7 7 3 25 IfcStructuralSurfaceConnection 7 7 3 26 IfcStructuralSurfaceMember 7 7 3 27 IfcStructuralSurfaceMemberVarying 7 7 3 28 IfcStructuralSurfaceReaction 7 7 4 Property Sets 7 7 4 1 Pset StructuralSurfaceMemberVaryingThickness 7 8 IfcStructuralElementsDomain 7 8 1 Schema Definition 7 8 2 Types 7 8 2 1 IfcFootingTypeEnum 7 8 2 2 IfcPileConstructionEnum 7 8 2 3 IfcPileTypeEnum 7 8 2 4 IfcReinforcingBarTypeEnum 7 8 2 5 IfcReinforcingMeshTypeEnum 7 8 2 6 IfcSurfaceFeatureTypeEnum 7 8 2 7 IfcTendonAnchorTypeEnum 7 8 2 8 IfcTendonTypeEnum 7 8 2 9 IfcVoidingFeatureTypeEnum 7 8 2 10 IfcBendingParameterSelect 7 8 3 Entities 7 8 3 1 IfcFooting 7 8 3 2 IfcFootingType 7 8 3 3 IfcPile 7 8 3 4 IfcPileType 7 8 3 5 IfcReinforcementDefinitionProperties 7 8 3 6 IfcReinforcingBar 7 8 3 7 IfcReinforcingBarType 7 8 3 8 IfcReinforcingElement 7 8 3 9 IfcReinforcingElementType 7 8 3 10 IfcReinforcingMesh 7 8 3 11 IfcReinforcingMeshType 7 8 3 12 IfcSurfaceFeature 7 8 3 13 IfcTendon 7 8 3 14 IfcTendonAnchor 7 8 3 15 IfcTendonAnchorType 7 8 3 16 IfcTendonType 7 8 3 17 IfcVoidingFeature 7 8 4 Property Sets 7 8 4 1 Pset ConcreteElementGeneral 7 8 4 2 Pset FootingCommon 7 8 4 3 Pset PileCommon 7 8 4 4 Pset PrecastConcreteElementFabrication 7 8 4 5 Pset PrecastConcreteElementGeneral 7 8 4 6 Pset PrecastSlab 7 8 4 7 Pset ReinforcementBarCountOfIndependentFooting 7 8 4 8 Pset ReinforcementBarPitchOfBeam 7 8 4 9 Pset ReinforcementBarPitchOfColumn 7 8 4 10 Pset ReinforcementBarPitchOfContinuousFooting 7 8 4 11 Pset ReinforcementBarPitchOfSlab 7 8 4 12 Pset ReinforcementBarPitchOfWall 7 8 5 Quantity Sets 7 8 5 1 Qto FootingBaseQuantities 7 8 5 2 Qto PileBaseQuantities 8 Resource definition data schemas 8 1 IfcActorResource 8 1 1 Schema Definition 8 1 2 Types 8 1 2 1 IfcAddressTypeEnum 8 1 2 2 IfcRoleEnum 8 1 2 3 IfcActorSelect 8 1 3 Entities 8 1 3 1 IfcActorRole 8 1 3 2 IfcAddress 8 1 3 3 IfcOrganization 8 1 3 4 IfcOrganizationRelationship 8 1 3 5 IfcPerson 8 1 3 6 IfcPersonAndOrganization 8 1 3 7 IfcPostalAddress 8 1 3 8 IfcTelecomAddress 8 2 IfcApprovalResource 8 2 1 Schema Definition 8 2 2 Entities 8 2 2 1 IfcApproval 8 2 2 2 IfcApprovalRelationship 8 2 2 3 IfcResourceApprovalRelationship 8 3 IfcConstraintResource 8 3 1 Schema Definition 8 3 2 Types 8 3 2 1 IfcBenchmarkEnum 8 3 2 2 IfcConstraintEnum 8 3 2 3 IfcLogicalOperatorEnum 8 3 2 4 IfcObjectiveEnum 8 3 2 5 IfcMetricValueSelect 8 3 3 Entities 8 3 3 1 IfcConstraint 8 3 3 2 IfcMetric 8 3 3 3 IfcObjective 8 3 3 4 IfcReference 8 3 3 5 IfcResourceConstraintRelationship 8 4 IfcCostResource 8 4 1 Schema Definition 8 4 2 Types 8 4 2 1 IfcArithmeticOperatorEnum 8 4 2 2 IfcAppliedValueSelect 8 4 3 Entities 8 4 3 1 IfcAppliedValue 8 4 3 2 IfcCostValue 8 4 3 3 IfcCurrencyRelationship 8 5 IfcDateTimeResource 8 5 1 Schema Definition 8 5 2 Types 8 5 2 1 IfcDate 8 5 2 2 IfcDateTime 8 5 2 3 IfcDayInMonthNumber 8 5 2 4 IfcDayInWeekNumber 8 5 2 5 IfcDuration 8 5 2 6 IfcMonthInYearNumber 8 5 2 7 IfcTime 8 5 2 8 IfcTimeStamp 8 5 2 9 IfcDataOriginEnum 8 5 2 10 IfcRecurrenceTypeEnum 8 5 2 11 IfcTaskDurationEnum 8 5 2 12 IfcTimeSeriesDataTypeEnum 8 5 2 13 IfcTimeOrRatioSelect 8 5 3 Entities 8 5 3 1 IfcEventTime 8 5 3 2 IfcIrregularTimeSeries 8 5 3 3 IfcIrregularTimeSeriesValue 8 5 3 4 IfcLagTime 8 5 3 5 IfcRecurrencePattern 8 5 3 6 IfcRegularTimeSeries 8 5 3 7 IfcResourceTime 8 5 3 8 IfcSchedulingTime 8 5 3 9 IfcTaskTime 8 5 3 10 IfcTaskTimeRecurring 8 5 3 11 IfcTimePeriod 8 5 3 12 IfcTimeSeries 8 5 3 13 IfcTimeSeriesValue 8 5 3 14 IfcWorkTime 8 6 IfcExternalReferenceResource 8 6 1 Schema Definition 8 6 2 Types 8 6 2 1 IfcLanguageId 8 6 2 2 IfcURIReference 8 6 2 3 IfcDocumentConfidentialityEnum 8 6 2 4 IfcDocumentStatusEnum 8 6 2 5 IfcClassificationReferenceSelect 8 6 2 6 IfcClassificationSelect 8 6 2 7 IfcDocumentSelect 8 6 2 8 IfcLibrarySelect 8 6 2 9 IfcResourceObjectSelect 8 6 3 Entities 8 6 3 1 IfcClassification 8 6 3 2 IfcClassificationReference 8 6 3 3 IfcDocumentInformation 8 6 3 4 IfcDocumentInformationRelationship 8 6 3 5 IfcDocumentReference 8 6 3 6 IfcExternalInformation 8 6 3 7 IfcExternalReference 8 6 3 8 IfcExternalReferenceRelationship 8 6 3 9 IfcLibraryInformation 8 6 3 10 IfcLibraryReference 8 6 3 11 IfcResourceLevelRelationship 8 7 IfcGeometricConstraintResource 8 7 1 Schema Definition 8 7 2 Types 8 7 2 1 IfcCurveOrEdgeCurve 8 7 2 2 IfcGridPlacementDirectionSelect 8 7 2 3 IfcPointOrVertexPoint 8 7 2 4 IfcSolidOrShell 8 7 2 5 IfcSurfaceOrFaceSurface 8 7 3 Entities 8 7 3 1 IfcConnectionCurveGeometry 8 7 3 2 IfcConnectionGeometry 8 7 3 3 IfcConnectionPointEccentricity 8 7 3 4 IfcConnectionPointGeometry 8 7 3 5 IfcConnectionSurfaceGeometry 8 7 3 6 IfcConnectionVolumeGeometry 8 7 3 7 IfcGridAxis 8 7 3 8 IfcGridPlacement 8 7 3 9 IfcLocalPlacement 8 7 3 10 IfcObjectPlacement 8 7 3 11 IfcVirtualGridIntersection 8 7 4 Functions 8 7 4 1 IfcCorrectLocalPlacement 8 8 IfcGeometricModelResource 8 8 1 Schema Definition 8 8 2 Types 8 8 2 1 IfcBooleanOperator 8 8 2 2 IfcBooleanOperand 8 8 2 3 IfcCsgSelect 8 8 2 4 IfcGeometricSetSelect 8 8 3 Entities 8 8 3 1 IfcAdvancedBrep 8 8 3 2 IfcAdvancedBrepWithVoids 8 8 3 3 IfcBlock 8 8 3 4 IfcBooleanClippingResult 8 8 3 5 IfcBooleanResult 8 8 3 6 IfcBoundingBox 8 8 3 7 IfcBoxedHalfSpace 8 8 3 8 IfcCartesianPointList 8 8 3 9 IfcCsgPrimitive3D 8 8 3 10 IfcCsgSolid 8 8 3 11 IfcDirectionList 8 8 3 12 IfcExtrudedAreaSolid 8 8 3 13 IfcExtrudedAreaSolidTapered 8 8 3 14 IfcFaceBasedSurfaceModel 8 8 3 15 IfcFacetedBrep 8 8 3 16 IfcFacetedBrepWithVoids 8 8 3 17 IfcFixedReferenceSweptAreaSolid 8 8 3 18 IfcGeometricCurveSet 8 8 3 19 IfcGeometricSet 8 8 3 20 IfcHalfSpaceSolid 8 8 3 21 IfcManifoldSolidBrep 8 8 3 22 IfcPolygonalBoundedHalfSpace 8 8 3 23 IfcRectangularPyramid 8 8 3 24 IfcRevolvedAreaSolid 8 8 3 25 IfcRevolvedAreaSolidTapered 8 8 3 26 IfcRightCircularCone 8 8 3 27 IfcRightCircularCylinder 8 8 3 28 IfcSectionedSpine 8 8 3 29 IfcShellBasedSurfaceModel 8 8 3 30 IfcSolidModel 8 8 3 31 IfcSphere 8 8 3 32 IfcSurfaceCurveSweptAreaSolid 8 8 3 33 IfcSweptAreaSolid 8 8 3 34 IfcSweptDiskSolid 8 8 3 35 IfcSweptDiskSolidPolygonal 8 8 3 36 IfcTessellatedFaceSet 8 8 3 37 IfcTessellatedItem 8 8 3 38 IfcTriangulatedFaceSet 8 8 4 Functions 8 8 4 1 IfcTaperedSweptAreaProfiles 8 9 IfcGeometryResource 8 9 1 Schema Definition 8 9 2 Types 8 9 2 1 IfcDimensionCount 8 9 2 2 IfcBSplineCurveForm 8 9 2 3 IfcBSplineSurfaceForm 8 9 2 4 IfcKnotType 8 9 2 5 IfcTransitionCode 8 9 2 6 IfcTrimmingPreference 8 9 2 7 IfcAxis2Placement 8 9 2 8 IfcCurveOnSurface 8 9 2 9 IfcTrimmingSelect 8 9 2 10 IfcVectorOrDirection 8 9 3 Entities 8 9 3 1 IfcAxis1Placement 8 9 3 2 IfcAxis2Placement2D 8 9 3 3 IfcAxis2Placement3D 8 9 3 4 IfcBoundaryCurve 8 9 3 5 IfcBoundedCurve 8 9 3 6 IfcBoundedSurface 8 9 3 7 IfcBSplineCurve 8 9 3 8 IfcBSplineCurveWithKnots 8 9 3 9 IfcBSplineSurface 8 9 3 10 IfcBSplineSurfaceWithKnots 8 9 3 11 IfcCartesianPoint 8 9 3 12 IfcCartesianTransformationOperator 8 9 3 13 IfcCartesianTransformationOperator2D 8 9 3 14 IfcCartesianTransformationOperator2DnonUniform 8 9 3 15 IfcCartesianTransformationOperator3D 8 9 3 16 IfcCartesianTransformationOperator3DnonUniform 8 9 3 17 IfcCircle 8 9 3 18 IfcCompositeCurve 8 9 3 19 IfcCompositeCurveOnSurface 8 9 3 20 IfcCompositeCurveSegment 8 9 3 21 IfcConic 8 9 3 22 IfcCurve 8 9 3 23 IfcCurveBoundedPlane 8 9 3 24 IfcCurveBoundedSurface 8 9 3 25 IfcCylindricalSurface 8 9 3 26 IfcDirection 8 9 3 27 IfcElementarySurface 8 9 3 28 IfcEllipse 8 9 3 29 IfcGeometricRepresentationItem 8 9 3 30 IfcLine 8 9 3 31 IfcMappedItem 8 9 3 32 IfcOffsetCurve2D 8 9 3 33 IfcOffsetCurve3D 8 9 3 34 IfcOuterBoundaryCurve 8 9 3 35 IfcPcurve 8 9 3 36 IfcPlacement 8 9 3 37 IfcPlane 8 9 3 38 IfcPoint 8 9 3 39 IfcPointOnCurve 8 9 3 40 IfcPointOnSurface 8 9 3 41 IfcPolyline 8 9 3 42 IfcRationalBSplineCurveWithKnots 8 9 3 43 IfcRationalBSplineSurfaceWithKnots 8 9 3 44 IfcRectangularTrimmedSurface 8 9 3 45 IfcReparametrisedCompositeCurveSegment 8 9 3 46 IfcRepresentationItem 8 9 3 47 IfcRepresentationMap 8 9 3 48 IfcSurface 8 9 3 49 IfcSurfaceOfLinearExtrusion 8 9 3 50 IfcSurfaceOfRevolution 8 9 3 51 IfcSweptSurface 8 9 3 52 IfcTrimmedCurve 8 9 3 53 IfcVector 8 9 4 Functions 8 9 4 1 IfcBaseAxis 8 9 4 2 IfcBuild2Axes 8 9 4 3 IfcBuildAxes 8 9 4 4 IfcConstraintsParamBSpline 8 9 4 5 IfcCrossProduct 8 9 4 6 IfcCurveDim 8 9 4 7 IfcCurveWeightsPositive 8 9 4 8 IfcDotProduct 8 9 4 9 IfcFirstProjAxis 8 9 4 10 IfcGetBasisSurface 8 9 4 11 IfcListToArray 8 9 4 12 IfcMakeArrayOfArray 8 9 4 13 IfcNormalise 8 9 4 14 IfcOrthogonalComplement 8 9 4 15 IfcSameAxis2Placement 8 9 4 16 IfcSameCartesianPoint 8 9 4 17 IfcSameDirection 8 9 4 18 IfcSameValue 8 9 4 19 IfcScalarTimesVector 8 9 4 20 IfcSecondProjAxis 8 9 4 21 IfcSurfaceWeightsPositive 8 9 4 22 IfcVectorDifference 8 9 4 23 IfcVectorSum 8 10 IfcMaterialResource 8 10 1 Schema Definition 8 10 2 Types 8 10 2 1 IfcCardinalPointReference 8 10 2 2 IfcDirectionSenseEnum 8 10 2 3 IfcLayerSetDirectionEnum 8 10 2 4 IfcMaterialSelect 8 10 3 Entities 8 10 3 1 IfcMaterial 8 10 3 2 IfcMaterialClassificationRelationship 8 10 3 3 IfcMaterialConstituent 8 10 3 4 IfcMaterialConstituentSet 8 10 3 5 IfcMaterialDefinition 8 10 3 6 IfcMaterialLayer 8 10 3 7 IfcMaterialLayerSet 8 10 3 8 IfcMaterialLayerSetUsage 8 10 3 9 IfcMaterialLayerWithOffsets 8 10 3 10 IfcMaterialList 8 10 3 11 IfcMaterialProfile 8 10 3 12 IfcMaterialProfileSet 8 10 3 13 IfcMaterialProfileSetUsage 8 10 3 14 IfcMaterialProfileSetUsageTapering 8 10 3 15 IfcMaterialProfileWithOffsets 8 10 3 16 IfcMaterialProperties 8 10 3 17 IfcMaterialRelationship 8 10 3 18 IfcMaterialUsageDefinition 8 10 4 Functions 8 10 4 1 IfcMlsTotalThickness 8 10 5 Property Sets 8 10 5 1 Pset MaterialCombustion 8 10 5 2 Pset MaterialCommon 8 10 5 3 Pset MaterialConcrete 8 10 5 4 Pset MaterialEnergy 8 10 5 5 Pset MaterialFuel 8 10 5 6 Pset MaterialHygroscopic 8 10 5 7 Pset MaterialMechanical 8 10 5 8 Pset MaterialOptical 8 10 5 9 Pset MaterialSteel 8 10 5 10 Pset MaterialThermal 8 10 5 11 Pset MaterialWater 8 10 5 12 Pset MaterialWood 8 10 5 13 Pset MaterialWoodBasedBeam 8 10 5 14 Pset MaterialWoodBasedPanel 8 11 IfcMeasureResource 8 11 1 Schema Definition 8 11 2 Types 8 11 2 1 IfcAbsorbedDoseMeasure 8 11 2 2 IfcAccelerationMeasure 8 11 2 3 IfcAmountOfSubstanceMeasure 8 11 2 4 IfcAngularVelocityMeasure 8 11 2 5 IfcAreaDensityMeasure 8 11 2 6 IfcAreaMeasure 8 11 2 7 IfcBoolean 8 11 2 8 IfcComplexNumber 8 11 2 9 IfcCompoundPlaneAngleMeasure 8 11 2 10 IfcContextDependentMeasure 8 11 2 11 IfcCountMeasure 8 11 2 12 IfcCurvatureMeasure 8 11 2 13 IfcDescriptiveMeasure 8 11 2 14 IfcDoseEquivalentMeasure 8 11 2 15 IfcDynamicViscosityMeasure 8 11 2 16 IfcElectricCapacitanceMeasure 8 11 2 17 IfcElectricChargeMeasure 8 11 2 18 IfcElectricConductanceMeasure 8 11 2 19 IfcElectricCurrentMeasure 8 11 2 20 IfcElectricResistanceMeasure 8 11 2 21 IfcElectricVoltageMeasure 8 11 2 22 IfcEnergyMeasure 8 11 2 23 IfcForceMeasure 8 11 2 24 IfcFrequencyMeasure 8 11 2 25 IfcHeatFluxDensityMeasure 8 11 2 26 IfcHeatingValueMeasure 8 11 2 27 IfcIdentifier 8 11 2 28 IfcIlluminanceMeasure 8 11 2 29 IfcInductanceMeasure 8 11 2 30 IfcInteger 8 11 2 31 IfcIntegerCountRateMeasure 8 11 2 32 IfcIonConcentrationMeasure 8 11 2 33 IfcIsothermalMoistureCapacityMeasure 8 11 2 34 IfcKinematicViscosityMeasure 8 11 2 35 IfcLabel 8 11 2 36 IfcLengthMeasure 8 11 2 37 IfcLinearForceMeasure 8 11 2 38 IfcLinearMomentMeasure 8 11 2 39 IfcLinearStiffnessMeasure 8 11 2 40 IfcLinearVelocityMeasure 8 11 2 41 IfcLogical 8 11 2 42 IfcLuminousFluxMeasure 8 11 2 43 IfcLuminousIntensityDistributionMeasure 8 11 2 44 IfcLuminousIntensityMeasure 8 11 2 45 IfcMagneticFluxDensityMeasure 8 11 2 46 IfcMagneticFluxMeasure 8 11 2 47 IfcMassDensityMeasure 8 11 2 48 IfcMassFlowRateMeasure 8 11 2 49 IfcMassMeasure 8 11 2 50 IfcMassPerLengthMeasure 8 11 2 51 IfcModulusOfElasticityMeasure 8 11 2 52 IfcModulusOfLinearSubgradeReactionMeasure 8 11 2 53 IfcModulusOfRotationalSubgradeReactionMeasure 8 11 2 54 IfcModulusOfSubgradeReactionMeasure 8 11 2 55 IfcMoistureDiffusivityMeasure 8 11 2 56 IfcMolecularWeightMeasure 8 11 2 57 IfcMomentOfInertiaMeasure 8 11 2 58 IfcMonetaryMeasure 8 11 2 59 IfcNonNegativeLengthMeasure 8 11 2 60 IfcNormalisedRatioMeasure 8 11 2 61 IfcNumericMeasure 8 11 2 62 IfcParameterValue 8 11 2 63 IfcPHMeasure 8 11 2 64 IfcPlanarForceMeasure 8 11 2 65 IfcPlaneAngleMeasure 8 11 2 66 IfcPositiveLengthMeasure 8 11 2 67 IfcPositivePlaneAngleMeasure 8 11 2 68 IfcPositiveRatioMeasure 8 11 2 69 IfcPowerMeasure 8 11 2 70 IfcPressureMeasure 8 11 2 71 IfcRadioActivityMeasure 8 11 2 72 IfcRatioMeasure 8 11 2 73 IfcReal 8 11 2 74 IfcRotationalFrequencyMeasure 8 11 2 75 IfcRotationalMassMeasure 8 11 2 76 IfcRotationalStiffnessMeasure 8 11 2 77 IfcSectionalAreaIntegralMeasure 8 11 2 78 IfcSectionModulusMeasure 8 11 2 79 IfcShearModulusMeasure 8 11 2 80 IfcSolidAngleMeasure 8 11 2 81 IfcSoundPowerLevelMeasure 8 11 2 82 IfcSoundPowerMeasure 8 11 2 83 IfcSoundPressureLevelMeasure 8 11 2 84 IfcSoundPressureMeasure 8 11 2 85 IfcSpecificHeatCapacityMeasure 8 11 2 86 IfcTemperatureGradientMeasure 8 11 2 87 IfcTemperatureRateOfChangeMeasure 8 11 2 88 IfcText 8 11 2 89 IfcThermalAdmittanceMeasure 8 11 2 90 IfcThermalConductivityMeasure 8 11 2 91 IfcThermalExpansionCoefficientMeasure 8 11 2 92 IfcThermalResistanceMeasure 8 11 2 93 IfcThermalTransmittanceMeasure 8 11 2 94 IfcThermodynamicTemperatureMeasure 8 11 2 95 IfcTimeMeasure 8 11 2 96 IfcTorqueMeasure 8 11 2 97 IfcVaporPermeabilityMeasure 8 11 2 98 IfcVolumeMeasure 8 11 2 99 IfcVolumetricFlowRateMeasure 8 11 2 100 IfcWarpingConstantMeasure 8 11 2 101 IfcWarpingMomentMeasure 8 11 2 102 IfcDerivedUnitEnum 8 11 2 103 IfcSIPrefix 8 11 2 104 IfcSIUnitName 8 11 2 105 IfcUnitEnum 8 11 2 106 IfcDerivedMeasureValue 8 11 2 107 IfcMeasureValue 8 11 2 108 IfcSimpleValue 8 11 2 109 IfcUnit 8 11 2 110 IfcValue 8 11 3 Entities 8 11 3 1 IfcContextDependentUnit 8 11 3 2 IfcConversionBasedUnit 8 11 3 3 IfcConversionBasedUnitWithOffset 8 11 3 4 IfcDerivedUnit 8 11 3 5 IfcDerivedUnitElement 8 11 3 6 IfcDimensionalExponents 8 11 3 7 IfcMeasureWithUnit 8 11 3 8 IfcMonetaryUnit 8 11 3 9 IfcNamedUnit 8 11 3 10 IfcSIUnit 8 11 3 11 IfcUnitAssignment 8 11 4 Functions 8 11 4 1 IfcCorrectDimensions 8 11 4 2 IfcCorrectUnitAssignment 8 11 4 3 IfcDeriveDimensionalExponents 8 11 4 4 IfcDimensionsForSiUnit 8 12 IfcPresentationAppearanceResource 8 12 1 Schema Definition 8 12 2 Types 8 12 2 1 IfcFontStyle 8 12 2 2 IfcFontVariant 8 12 2 3 IfcFontWeight 8 12 2 4 IfcPresentableText 8 12 2 5 IfcSpecularExponent 8 12 2 6 IfcSpecularRoughness 8 12 2 7 IfcTextAlignment 8 12 2 8 IfcTextDecoration 8 12 2 9 IfcTextFontName 8 12 2 10 IfcTextTransformation 8 12 2 11 IfcNullStyle 8 12 2 12 IfcReflectanceMethodEnum 8 12 2 13 IfcSurfaceSide 8 12 2 14 IfcColour 8 12 2 15 IfcColourOrFactor 8 12 2 16 IfcCurveFontOrScaledCurveFontSelect 8 12 2 17 IfcCurveStyleFontSelect 8 12 2 18 IfcFillStyleSelect 8 12 2 19 IfcHatchLineDistanceSelect 8 12 2 20 IfcPresentationStyleSelect 8 12 2 21 IfcSizeSelect 8 12 2 22 IfcSpecularHighlightSelect 8 12 2 23 IfcStyleAssignmentSelect 8 12 2 24 IfcSurfaceStyleElementSelect 8 12 2 25 IfcTextFontSelect 8 12 3 Entities 8 12 3 1 IfcBlobTexture 8 12 3 2 IfcColourRgb 8 12 3 3 IfcColourRgbList 8 12 3 4 IfcColourSpecification 8 12 3 5 IfcCurveStyle 8 12 3 6 IfcCurveStyleFont 8 12 3 7 IfcCurveStyleFontAndScaling 8 12 3 8 IfcCurveStyleFontPattern 8 12 3 9 IfcDraughtingPreDefinedColour 8 12 3 10 IfcDraughtingPreDefinedCurveFont 8 12 3 11 IfcExternallyDefinedHatchStyle 8 12 3 12 IfcExternallyDefinedSurfaceStyle 8 12 3 13 IfcExternallyDefinedTextFont 8 12 3 14 IfcFillAreaStyle 8 12 3 15 IfcFillAreaStyleHatching 8 12 3 16 IfcFillAreaStyleTiles 8 12 3 17 IfcImageTexture 8 12 3 18 IfcIndexedColourMap 8 12 3 19 IfcIndexedTextureMap 8 12 3 20 IfcIndexedTriangleTextureMap 8 12 3 21 IfcPixelTexture 8 12 3 22 IfcPreDefinedColour 8 12 3 23 IfcPreDefinedCurveFont 8 12 3 24 IfcPreDefinedItem 8 12 3 25 IfcPreDefinedTextFont 8 12 3 26 IfcPresentationStyle 8 12 3 27 IfcPresentationStyleAssignment 8 12 3 28 IfcStyledItem 8 12 3 29 IfcSurfaceStyle 8 12 3 30 IfcSurfaceStyleLighting 8 12 3 31 IfcSurfaceStyleRefraction 8 12 3 32 IfcSurfaceStyleRendering 8 12 3 33 IfcSurfaceStyleShading 8 12 3 34 IfcSurfaceStyleWithTextures 8 12 3 35 IfcSurfaceTexture 8 12 3 36 IfcTextStyle 8 12 3 37 IfcTextStyleFontModel 8 12 3 38 IfcTextStyleForDefinedFont 8 12 3 39 IfcTextStyleTextModel 8 12 3 40 IfcTextureCoordinate 8 12 3 41 IfcTextureCoordinateGenerator 8 12 3 42 IfcTextureMap 8 12 3 43 IfcTextureVertex 8 12 3 44 IfcTextureVertexList 8 12 4 Functions 8 12 4 1 IfcCorrectFillAreaStyle 8 13 IfcPresentationDefinitionResource 8 13 1 Schema Definition 8 13 2 Types 8 13 2 1 IfcBoxAlignment 8 13 2 2 IfcTextPath 8 13 3 Entities 8 13 3 1 IfcAnnotationFillArea 8 13 3 2 IfcPlanarBox 8 13 3 3 IfcPlanarExtent 8 13 3 4 IfcPresentationItem 8 13 3 5 IfcTextLiteral 8 13 3 6 IfcTextLiteralWithExtent 8 14 IfcPresentationOrganizationResource 8 14 1 Schema Definition 8 14 2 Types 8 14 2 1 IfcLightDistributionCurveEnum 8 14 2 2 IfcLightEmissionSourceEnum 8 14 2 3 IfcLayeredItem 8 14 2 4 IfcLightDistributionDataSourceSelect 8 14 3 Entities 8 14 3 1 IfcLightDistributionData 8 14 3 2 IfcLightIntensityDistribution 8 14 3 3 IfcLightSource 8 14 3 4 IfcLightSourceAmbient 8 14 3 5 IfcLightSourceDirectional 8 14 3 6 IfcLightSourceGoniometric 8 14 3 7 IfcLightSourcePositional 8 14 3 8 IfcLightSourceSpot 8 14 3 9 IfcPresentationLayerAssignment 8 14 3 10 IfcPresentationLayerWithStyle 8 15 IfcProfileResource 8 15 1 Schema Definition 8 15 2 Types 8 15 2 1 IfcProfileTypeEnum 8 15 2 2 IfcReinforcingBarRoleEnum 8 15 2 3 IfcReinforcingBarSurfaceEnum 8 15 2 4 IfcSectionTypeEnum 8 15 3 Entities 8 15 3 1 IfcArbitraryClosedProfileDef 8 15 3 2 IfcArbitraryOpenProfileDef 8 15 3 3 IfcArbitraryProfileDefWithVoids 8 15 3 4 IfcAsymmetricIShapeProfileDef 8 15 3 5 IfcCenterLineProfileDef 8 15 3 6 IfcCircleHollowProfileDef 8 15 3 7 IfcCircleProfileDef 8 15 3 8 IfcCompositeProfileDef 8 15 3 9 IfcCShapeProfileDef 8 15 3 10 IfcDerivedProfileDef 8 15 3 11 IfcEllipseProfileDef 8 15 3 12 IfcIShapeProfileDef 8 15 3 13 IfcLShapeProfileDef 8 15 3 14 IfcMirroredProfileDef 8 15 3 15 IfcParameterizedProfileDef 8 15 3 16 IfcProfileDef 8 15 3 17 IfcProfileProperties 8 15 3 18 IfcRectangleHollowProfileDef 8 15 3 19 IfcRectangleProfileDef 8 15 3 20 IfcReinforcementBarProperties 8 15 3 21 IfcRoundedRectangleProfileDef 8 15 3 22 IfcSectionProperties 8 15 3 23 IfcSectionReinforcementProperties 8 15 3 24 IfcTrapeziumProfileDef 8 15 3 25 IfcTShapeProfileDef 8 15 3 26 IfcUShapeProfileDef 8 15 3 27 IfcZShapeProfileDef 8 15 4 Property Sets 8 15 4 1 Pset ProfileArbitraryDoubleT 8 15 4 2 Pset ProfileArbitraryHollowCore 8 15 4 3 Pset ProfileMechanical 8 16 IfcPropertyResource 8 16 1 Schema Definition 8 16 2 Types 8 16 2 1 IfcCurveInterpolationEnum 8 16 2 2 IfcObjectReferenceSelect 8 16 3 Entities 8 16 3 1 IfcComplexProperty 8 16 3 2 IfcExtendedProperties 8 16 3 3 IfcPreDefinedProperties 8 16 3 4 IfcProperty 8 16 3 5 IfcPropertyAbstraction 8 16 3 6 IfcPropertyBoundedValue 8 16 3 7 IfcPropertyDependencyRelationship 8 16 3 8 IfcPropertyEnumeratedValue 8 16 3 9 IfcPropertyEnumeration 8 16 3 10 IfcPropertyListValue 8 16 3 11 IfcPropertyReferenceValue 8 16 3 12 IfcPropertySingleValue 8 16 3 13 IfcPropertyTableValue 8 16 3 14 IfcSimpleProperty 8 16 4 Functions 8 16 4 1 IfcUniquePropertyName 8 17 IfcQuantityResource 8 17 1 Schema Definition 8 17 2 Entities 8 17 2 1 IfcPhysicalComplexQuantity 8 17 2 2 IfcPhysicalQuantity 8 17 2 3 IfcPhysicalSimpleQuantity 8 17 2 4 IfcQuantityArea 8 17 2 5 IfcQuantityCount 8 17 2 6 IfcQuantityLength 8 17 2 7 IfcQuantityTime 8 17 2 8 IfcQuantityVolume 8 17 2 9 IfcQuantityWeight 8 17 3 Functions 8 17 3 1 IfcUniqueQuantityNames 8 18 IfcRepresentationResource 8 18 1 Schema Definition 8 18 2 Types 8 18 2 1 IfcGeometricProjectionEnum 8 18 2 2 IfcGlobalOrLocalEnum 8 18 2 3 IfcCoordinateReferenceSystemSelect 8 18 2 4 IfcProductRepresentationSelect 8 18 3 Entities 8 18 3 1 IfcCoordinateOperation 8 18 3 2 IfcCoordinateReferenceSystem 8 18 3 3 IfcGeometricRepresentationContext 8 18 3 4 IfcGeometricRepresentationSubContext 8 18 3 5 IfcMapConversion 8 18 3 6 IfcMaterialDefinitionRepresentation 8 18 3 7 IfcProductDefinitionShape 8 18 3 8 IfcProductRepresentation 8 18 3 9 IfcProjectedCRS 8 18 3 10 IfcRepresentation 8 18 3 11 IfcRepresentationContext 8 18 3 12 IfcShapeAspect 8 18 3 13 IfcShapeModel 8 18 3 14 IfcShapeRepresentation 8 18 3 15 IfcStyledRepresentation 8 18 3 16 IfcStyleModel 8 18 3 17 IfcTopologyRepresentation 8 18 4 Functions 8 18 4 1 IfcConvertDirectionInto2D 8 18 4 2 IfcSameAxis2Placement 8 18 4 3 IfcSameCartesianPoint 8 18 4 4 IfcSameDirection 8 18 4 5 IfcSameValidPrecision 8 18 4 6 IfcSameValue 8 18 4 7 IfcShapeRepresentationTypes 8 18 4 8 IfcTopologyRepresentationTypes 8 18 5 Rules 8 18 5 1 IfcRepresentationContextSameWCS 8 19 IfcStructuralLoadResource 8 19 1 Schema Definition 8 19 2 Types 8 19 2 1 IfcModulusOfRotationalSubgradeReactionSelect 8 19 2 2 IfcModulusOfSubgradeReactionSelect 8 19 2 3 IfcModulusOfTranslationalSubgradeReactionSelect 8 19 2 4 IfcRotationalStiffnessSelect 8 19 2 5 IfcTranslationalStiffnessSelect 8 19 2 6 IfcWarpingStiffnessSelect 8 19 3 Entities 8 19 3 1 IfcBoundaryCondition 8 19 3 2 IfcBoundaryEdgeCondition 8 19 3 3 IfcBoundaryFaceCondition 8 19 3 4 IfcBoundaryNodeCondition 8 19 3 5 IfcBoundaryNodeConditionWarping 8 19 3 6 IfcFailureConnectionCondition 8 19 3 7 IfcSlippageConnectionCondition 8 19 3 8 IfcStructuralConnectionCondition 8 19 3 9 IfcStructuralLoad 8 19 3 10 IfcStructuralLoadConfiguration 8 19 3 11 IfcStructuralLoadLinearForce 8 19 3 12 IfcStructuralLoadOrResult 8 19 3 13 IfcStructuralLoadPlanarForce 8 19 3 14 IfcStructuralLoadSingleDisplacement 8 19 3 15 IfcStructuralLoadSingleDisplacementDistortion 8 19 3 16 IfcStructuralLoadSingleForce 8 19 3 17 IfcStructuralLoadSingleForceWarping 8 19 3 18 IfcStructuralLoadStatic 8 19 3 19 IfcStructuralLoadTemperature 8 19 3 20 IfcSurfaceReinforcementArea 8 20 IfcTopologyResource 8 20 1 Schema Definition 8 20 2 Types 8 20 2 1 IfcShell 8 20 3 Entities 8 20 3 1 IfcAdvancedFace 8 20 3 2 IfcClosedShell 8 20 3 3 IfcConnectedFaceSet 8 20 3 4 IfcEdge 8 20 3 5 IfcEdgeCurve 8 20 3 6 IfcEdgeLoop 8 20 3 7 IfcFace 8 20 3 8 IfcFaceBound 8 20 3 9 IfcFaceOuterBound 8 20 3 10 IfcFaceSurface 8 20 3 11 IfcLoop 8 20 3 12 IfcOpenShell 8 20 3 13 IfcOrientedEdge 8 20 3 14 IfcPath 8 20 3 15 IfcPolyLoop 8 20 3 16 IfcSubedge 8 20 3 17 IfcTopologicalRepresentationItem 8 20 3 18 IfcVertex 8 20 3 19 IfcVertexLoop 8 20 3 20 IfcVertexPoint 8 20 4 Functions 8 20 4 1 IfcBooleanChoose 8 20 4 2 IfcLoopHeadToTail 8 20 4 3 IfcPathHeadToTail 8 21 IfcUtilityResource 8 21 1 Schema Definition 8 21 2 Types 8 21 2 1 IfcGloballyUniqueId 8 21 2 2 IfcChangeActionEnum 8 21 2 3 IfcStateEnum 8 21 3 Entities 8 21 3 1 IfcApplication 8 21 3 2 IfcOwnerHistory 8 21 3 3 IfcTable 8 21 3 4 IfcTableColumn 8 21 3 5 IfcTableRow Annex A Alphabetical listings Annex B Computer interpretable listings Annex C EXPRESS G diagrams Annex D Inheritance listings Annex E Examples E 1 Basic context information E 1 1 Basic unit declaration E 2 Basic geometric shape E 2 1 CSG primitive E 2 2 Extruded solid E 2 3 Surface model E 2 4 Brep model E 2 5 Tessellation E 3 Advanced geometric shape E 3 1 Advanced Brep E 4 Mapped geometric shape E 4 1 Mapped shape without transformation E 4 2 Mapped shape with transformation E 4 3 Mapped shape with multiple items E 5 Building element standard case E 5 1 Beam standard case E 6 Building element configuration E 6 1 Wall with opening and window E 7 Building service element E 7 1 Air terminal element E 7 2 Air terminal library object E 8 Structural analysis model E 8 1 Structural curve member E 9 Construction scheduling E 9 1 Construction scheduling task Annex F Change logs Figure 1 Data schema architecture with conceptual layers Figure 2 Classification Figure 3 Document Figure 4 Library Figure 5 Approval Figure 6 Constraint Figure 7 Material Single Figure 8 Material Layer Set Figure 9 Material Layer Set Usage Figure 10 Material Profile Set Figure 11 Material Profile Set Usage Figure 12 Material Constituents Figure 13 Object Typing Figure 14 Property Sets Figure 15 Property Sets for Types Figure 16 Property Sets for Performance Figure 17 Quantity Sets Figure 18 Object Aggregation Figure 19 Element Composition Figure 20 Element Decomposition Figure 21 Spatial Composition Figure 22 Spatial Decomposition Figure 23 Object Nesting Figure 24 Voiding Figure 25 Ports Figure 26 Type Based Ports Figure 27 Actor Assignment Figure 28 Control Assignment Figure 29 Group Assignment Figure 30 Product Assignment Figure 31 Process Assignment Figure 32 Resource Assignment Figure 33 Product Type Assignment Figure 34 Process Type Assignment Figure 35 Resource Type Assignment Figure 36 Spatial Container Figure 37 Spatial Containment Figure 38 Space Boundaries Figure 39 Element Connectivity Figure 40 Path Connectivity Figure 41 Port Connectivity Figure 42 Control Flow Figure 43 Element Filling Figure 39 Structural Activity Figure 44 Structural Activity Figure 40 Structural Connectivity Figure 45 Structural Connectivity Figure 46 Sequential Connectivity Figure 47 Identity Figure 48 Revision Control Figure 49 Project Declaration Figure 50 Object Type Definitions Figure 51 Property Set Templates Figure 52 Project Units Figure 53 Project Context Figure 54 Project Classification Information Figure 55 Project Document Information Figure 56 Project Library Information Figure 57 Product Placement Figure 58 Product Representation Figure 59 Box Geometry Figure 60 Annotation Geometry Figure 61 Survey Points Geometry Figure 62 Axis Geometry Figure 63 Footprint Geometry Figure 64 Row Geometry Figure 65 Profile Geometry Figure 66 Surface Geometry Figure 67 Body Geometry Figure 68 Lighting Geometry Figure 69 Clearance Geometry Figure 70 Reference Topology Figure 71 Body Geometry Figure 72 Axis Geometry Figure 73 Lighting Geometry Figure 74 Clearance Geometry Figure 75 Resource Cost Figure 76 Resource Quantity Figure 77 IfcActor Figure 78 IfcComplexPropertyTemplate Figure 79 IfcContext Figure 80 IfcControl Figure 81 IfcGroup Figure 82 IfcObject Figure 83 IfcObjectDefinition Figure 84 IfcPreDefinedPropertySet Figure 85 Process relationships and the ICON process diagram Figure 86 IfcProcess Figure 87 IfcProduct Figure 88 IfcProject Figure 89 Project spatial and work plan structure Figure 90 Project spatial structure products and product type library Figure 91 IfcProjectLibrary Figure 92 IfcPropertyDefinition Figure 93 IfcPropertySet Figure 94 IfcPropertySetDefinition Figure 95 Property set template relationships Figure 96 IfcPropertySetTemplate Figure 97 IfcPropertyTemplate Figure 98 IfcPropertyTemplateDefinition Figure 99 IfcProxy Figure 100 IfcQuantitySet Figure 101 IfcRelAggregates Figure 102 IfcRelAssigns Figure 103 IfcRelAssignsToActor Figure 104 IfcRelAssignsToControl Figure 105 IfcRelAssignsToGroup Figure 106 IfcRelAssignsToGroupByFactor Figure 107 IfcRelAssignsToProcess Figure 108 IfcRelAssignsToProduct Figure 109 IfcRelAssignsToResource Figure 110 IfcRelAssociates Figure 111 IfcRelAssociatesClassification Figure 112 IfcRelAssociatesDocument Figure 113 IfcRelAssociatesLibrary Figure 114 IfcRelationship Figure 115 IfcRelConnects Figure 116 IfcRelDeclares Figure 117 IfcRelDecomposes Figure 118 IfcRelDefines Figure 119 Part definition relationships Figure 120 Part definition relationships with shape representation Figure 121 IfcRelDefinesByObject Figure 122 IfcRelDefinesByProperties Figure 123 IfcRelDefinesByTemplate Figure 124 Type definition relationships Figure 125 IfcRelDefinesByType Figure 126 IfcRelNests Figure 127 IfcResource Figure 128 IfcRoot Figure 129 Property template relationships Figure 130 IfcSimplePropertyTemplate Figure 131 IfcTypeObject Figure 132 IfcTypeProcess Figure 133 Product type geometry with single placement Figure 134 Product type geometry with multiple placement Figure 135 IfcTypeProduct Figure 136 IfcTypeResource Figure 137 IfcPerformanceHistory Figure 138 IfcRelAssociatesApproval Figure 139 IfcRelAssociatesConstraint Figure 140 IfcEvent Figure 141 IfcEventType Figure 142 Procedure relationships Figure 143 IfcProcedure Figure 144 IfcProcedureType Figure 145 IfcRelSequence Figure 146 IfcTask Figure 147 Task visualization Figure 148 Task nesting relationships Figure 149 Task constraints Figure 150 Task type relationships Figure 151 IfcTaskType Figure 152 Work calendar instantiation Figure 153 IfcWorkCalendar Figure 154 IfcWorkControl Figure 155 Work plan relationships Figure 156 IfcWorkPlan Figure 157 Work schedule relationships Figure 158 IfcWorkSchedule Figure 159 IfcAnnotation Figure 160 Building composition Figure 161 Building elevations Figure 162 IfcBuilding Figure 163 IfcBuildingElement Figure 164 Building element box representation Figure 165 Building element surface model representation Figure 166 Building element body boundary representation Figure 167 IfcBuildingElementType Figure 168 Building storey composition Figure 169 Building storey elevations Figure 170 IfcBuildingStorey Figure 171 IfcDistributionElement Figure 172 IfcDistributionElementType Figure 173 IfcElement Figure 174 IfcElementAssembly Figure 175 Element assembly containment Figure 176 IfcElementAssemblyType Figure 177 IfcElementQuantity Figure 178 IfcElementType Figure 179 IfcExternalSpatialElement Figure 180 IfcExternalSpatialStructureElement Figure 181 IfcFeatureElement Figure 182 IfcFeatureElementAddition Figure 183 IfcFeatureElementSubtraction Figure 184 IfcFurnishingElement Figure 185 IfcFurnishingElementType Figure 186 IfcGeographicElement Figure 187 IfcGeographicElementType Figure 188 Grid rectangular layout Figure 189 Grid radial layout Figure 190 Grid triangular layout Figure 191 Grid intersections Figure 192 IfcGrid Figure 193 Grid layout Figure 194 Grid representation Figure 195 IfcOpeningElement Figure 196 Opening with full extrusion Figure 197 Opening with recess extrusion Figure 198 Opening with multiple extrusions Figure 199 IfcOpeningStandardCase Figure 200 Opening standard representation Figure 201 IfcPort Figure 202 IfcProjectionElement Figure 203 Projection representation Figure 204 IfcRelAssociatesMaterial Figure 205 IfcRelConnectsElements Figure 206 IfcRelConnectsPorts Figure 207 IfcRelConnectsPortToElement Figure 208 IfcRelConnectsWithRealizingElements Figure 209 Relationship for spatial structure containment Figure 210 IfcRelContainedInSpatialStructure Figure 211 Relationships for element filling Figure 212 IfcRelFillsElement Figure 213 IfcRelInterferesElements Figure 214 IfcRelProjectsElement Figure 215 Relationship for spatial structure referencing Figure 216 IfcRelReferencedInSpatialStructure Figure 217 IfcRelServicesBuildings Figure 218 Space boundary at first level Figure 219 Space boundary at second level Figure 220 Space boundary at second level type A Figure 221 Space boundary at second level type B Figure 222 Space boundary of virtual element Figure 223 Space boundary of physical element Figure 224 IfcRelSpaceBoundary Figure 225 Space boundary first level relationships Figure 226 IfcRelSpaceBoundary1stLevel Figure 227 Space boundary second level relationships Figure 228 IfcRelSpaceBoundary2ndLevel Figure 229 Relationship for element voiding Figure 230 IfcRelVoidsElement Figure 231 Site composition Figure 232 Site elevations Figure 233 IfcSite Figure 234 Site survey points Figure 235 Site survey points facetation Figure 236 Site breaklines Figure 237 Site breaklines facetation Figure 238 Space composition Figure 239 Space elevations Figure 240 IfcSpace Figure 241 Space footprint Figure 242 Space body swept solid Figure 243 Space body clipping Figure 244 IfcSpaceType Figure 245 IfcSpatialElement Figure 246 IfcSpatialElementType Figure 247 Spatial structure element composition Figure 248 IfcSpatialStructureElement Figure 249 IfcSpatialStructureElementType Figure 250 IfcSpatialZone Figure 251 IfcSpatialZoneType Figure 252 IfcSystem Figure 253 IfcTransportElement Figure 254 IfcTransportElementType Figure 255 Virtual element space boundaries Figure 256 IfcVirtualElement Figure 257 IfcZone Figure 258 Connection types Figure 259 Door operations Figure 260 Ramp types Figure 261 Roof types Figure 262 Stair types Figure 263 Window partitioning Figure 264 IfcBeam Figure 265 Beam swept solid Figure 266 Beam non perpendicular extrusion Figure 267 Beam clipping Figure 268 IfcBeamStandardCase Figure 269 Beam profile usage Figure 270 Beam cardinal points Figure 271 Beam composite profiles Figure 272 Beam axis representation Figure 273 Beam axis cardinal point Figure 274 Beam body extrusion Figure 275 Beam body clipping Figure 276 IfcBeamType Figure 277 IfcBuildingElementProxy Figure 278 IfcBuildingElementProxyType Figure 279 IfcBuildingSystem Figure 280 IfcChimney Figure 281 IfcChimneyType Figure 282 IfcColumn Figure 283 Column swept solid Figure 284 Column extrusion of I Shape Figure 285 Column clipping Figure 286 IfcColumnStandardCase Figure 287 Column profile usage Figure 288 Column cardinal points Figure 289 Column composite profiles Figure 290 Column axis representation Figure 291 Column axis cardinal point Figure 292 Column body extrusion Figure 293 Column body clipping Figure 294 IfcColumnType Figure 295 IfcCovering Figure 296 Covering surface planar Figure 297 Covering surface cylindrical Figure 298 Covering body planar Figure 299 Covering body circular Figure 300 IfcCoveringType Figure 301 IfcCurtainWall Figure 302 IfcCurtainWallType Figure 303 IfcDoor Figure 304 Door spatial containment Figure 305 Door swing Figure 306 IfcDoorStandardCase Figure 307 Door profile Figure 308 IfcDoorType Figure 309 IfcMember Figure 310 Member swept solid Figure 311 Member clipping Figure 312 IfcMemberStandardCase Figure 313 Member profile usage Figure 314 Member composite profiles Figure 315 Member axis representation Figure 316 Member axis cardinal point Figure 317 Member body extrusion Figure 318 Member body clipping Figure 319 IfcMemberType Figure 320 IfcPlate Figure 321 IfcPlateStandardCase Figure 322 Plate type definition Figure 323 Plate material layers Figure 324 Plate body extrusion Figure 325 Plate body clipping Figure 326 IfcPlateType Figure 327 IfcRailing Figure 328 IfcRailingType Figure 329 IfcRamp Figure 330 Ramp placement Figure 331 IfcRampFlight Figure 332 Ramp flight axis Figure 333 Ramp flight footprint Figure 334 Ramp flight body Figure 335 IfcRampFlightType Figure 336 IfcRampType Figure 337 Path connection geometry Figure 338 Path connection T Type Figure 339 Path connection L Type Figure 340 IfcRelConnectsPathElements Figure 341 IfcRelCoversBldgElements Figure 342 IfcRelCoversSpaces Figure 343 IfcRoof Figure 344 Roof placement Figure 345 IfcRoofType Figure 346 IfcShadingDevice Figure 347 IfcShadingDeviceType Figure 348 IfcSlab Figure 349 Slab body extrusion Figure 350 Slab body clipping Figure 351 Slab elemented voiding Figure 352 IfcSlabElementedCase Figure 353 IfcSlabStandardCase Figure 354 Slab type definition Figure 355 Slab material layers Figure 356 Slab body extrusion Figure 357 Slab body clipping Figure 358 IfcSlabType Figure 359 IfcStair Figure 360 Stair placement Figure 361 IfcStairFlight Figure 362 Stair flight axis Figure 363 Stair flight footprint Figure 364 Stair flight body Figure 365 IfcStairFlightType Figure 366 IfcStairType Figure 367 IfcWall Figure 368 Wall elemented voiding Figure 369 IfcWallElementedCase Figure 370 IfcWallStandardCase Figure 371 Wall Standard Object Typing Figure 372 Wall material layers Figure 373 Wall axis straight Figure 374 Wall axis curved Figure 375 Wall body extrusion straight Figure 376 Wall body extrusion curved Figure 377 Wall body clipping straight Figure 378 Wall body clipping curved Figure 379 IfcWallType Figure 380 IfcWindow Figure 381 Window spatial containment Figure 382 Window placement Figure 383 Window planes Figure 384 Window operations Figure 385 IfcWindowStandardCase Figure 386 Window profile Figure 387 IfcWindowType Figure 388 Building service lifecycle Figure 389 IfcDistributionChamberElement Figure 390 IfcDistributionChamberElementType Figure 391 IfcDistributionCircuit Figure 392 IfcDistributionControlElement Figure 394 Distribution control element Classification Figure 393 Distribution control classification Figure 395 IfcDistributionControlElementType Figure 396 IfcDistributionFlowElement Figure 397 IfcDistributionFlowElementType Figure 398 IfcDistributionPort Figure 399 Distribution port connectivity Figure 400 IfcDistributionSystem Figure 401 Distribution system assignment Figure 402 IfcEnergyConversionDevice Figure 403 IfcEnergyConversionDeviceType Figure 404 IfcFlowController Figure 405 IfcFlowControllerType Figure 406 IfcFlowFitting Figure 407 IfcFlowFittingType Figure 408 IfcFlowMovingDevice Figure 409 IfcFlowMovingDeviceType Figure 410 IfcFlowSegment Figure 411 IfcFlowSegmentType Figure 412 IfcFlowStorageDevice Figure 413 IfcFlowStorageDeviceType Figure 414 IfcFlowTerminal Figure 415 IfcFlowTerminalType Figure 416 IfcFlowTreatmentDevice Figure 417 IfcFlowTreatmentDeviceType Figure 418 IfcRelFlowControlElements Figure 419 IfcBuildingElementPart Figure 420 IfcBuildingElementPartType Figure 421 IfcDiscreteAccessory Figure 422 IfcDiscreteAccessoryType Figure 423 IfcElementComponent Figure 424 Element component mapped representation Figure 425 IfcElementComponentType Figure 426 IfcFastener Figure 427 IfcFastenerType Figure 428 IfcMechanicalFastener Figure 429 IfcMechanicalFastenerType Figure 430 Furniture Figure 431 System furniture element Figure 432 Asset identification Figure 433 IfcAsset Figure 434 IfcFurniture Figure 435 IfcFurnitureType Figure 436 IfcInventory Figure 437 IfcOccupant Figure 438 IfcSystemFurnitureElement Figure 439 IfcSystemFurnitureElementType Figure 440 IfcActionRequest Figure 441 Action request composition Figure 442 Action request assignment Figure 443 IfcCostItem Figure 444 Cost composition Figure 445 Cost assignment Figure 446 IfcCostSchedule Figure 447 IfcPermit Figure 448 Permit assignment Figure 449 IfcProjectOrder Figure 450 Project order Approval

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  • Introduction
    not beholden to any group or company whether software suppliers building companies architects or others or indeed governments Open and transparent because the processes by which bSI operates need to be clear and understood by all to demonstrate its independence and neutrality A not for profit organisation meaning that any profits it might make from commercial or quasi commercial activities are used for non commercial purposes such as developing standards The association s goals in pursuit of its mission are To develop and maintain open international standards for Building Information Modelling open BIM To accelerate market assimilation of interoperability through successful sustainable projects To provide networking opportunities specifications and written guidance To resolve high cost problems that hinder data sharing To extend buildingSMART processes and technology to the whole built environment over its lifecycle and encompassing leadership production facilities management and engineering maintenance buildingSMART develops open standards for Building Information Modeling openBIM The standards deal with data models processes and terms The Industry Foundation Classes IFC specification constitutes buildingSMART s specification for the buildingSMART data model Property terms defined in IFC are linked to terms defined in the buildingSMART data dictionary IFD buildingSMART liaises with the International Standardization Organization ISO

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