That Open Engine | web-ifc
    Preparing search index...

    Module ifc-schema

    Namespaces

    IFC2X3
    IFC4
    IFC4X3

    Enumerations

    logical
    Schemas

    Classes

    Handle
    IfcLineObject
    NumberHandle

    Variables

    FILE_DESCRIPTION
    FILE_NAME
    FILE_SCHEMA
    IFC2DCOMPOSITECURVE
    IFCABSORBEDDOSEMEASURE
    IFCACCELERATIONMEASURE
    IFCACTIONREQUEST
    IFCACTOR
    IFCACTORROLE
    IFCACTUATOR
    IFCACTUATORTYPE
    IFCADDRESS
    IFCADVANCEDBREP
    IFCADVANCEDBREPWITHVOIDS
    IFCADVANCEDFACE
    IFCAIRTERMINAL
    IFCAIRTERMINALBOX
    IFCAIRTERMINALBOXTYPE
    IFCAIRTERMINALTYPE
    IFCAIRTOAIRHEATRECOVERY
    IFCAIRTOAIRHEATRECOVERYTYPE
    IFCALARM
    IFCALARMTYPE
    IFCALIGNMENT
    IFCALIGNMENTCANT
    IFCALIGNMENTCANTSEGMENT
    IFCALIGNMENTHORIZONTAL
    IFCALIGNMENTHORIZONTALSEGMENT
    IFCALIGNMENTPARAMETERSEGMENT
    IFCALIGNMENTSEGMENT
    IFCALIGNMENTVERTICAL
    IFCALIGNMENTVERTICALSEGMENT
    IFCAMOUNTOFSUBSTANCEMEASURE
    IFCANGULARDIMENSION
    IFCANGULARVELOCITYMEASURE
    IFCANNOTATION
    IFCANNOTATIONCURVEOCCURRENCE
    IFCANNOTATIONFILLAREA
    IFCANNOTATIONFILLAREAOCCURRENCE
    IFCANNOTATIONOCCURRENCE
    IFCANNOTATIONSURFACE
    IFCANNOTATIONSURFACEOCCURRENCE
    IFCANNOTATIONSYMBOLOCCURRENCE
    IFCANNOTATIONTEXTOCCURRENCE
    IFCAPPLICATION
    IFCAPPLIEDVALUE
    IFCAPPLIEDVALUERELATIONSHIP
    IFCAPPROVAL
    IFCAPPROVALACTORRELATIONSHIP
    IFCAPPROVALPROPERTYRELATIONSHIP
    IFCAPPROVALRELATIONSHIP
    IFCARBITRARYCLOSEDPROFILEDEF
    IFCARBITRARYOPENPROFILEDEF
    IFCARBITRARYPROFILEDEFWITHVOIDS
    IFCARCINDEX
    IFCAREADENSITYMEASURE
    IFCAREAMEASURE
    IFCASSET
    IFCASYMMETRICISHAPEPROFILEDEF
    IFCAUDIOVISUALAPPLIANCE
    IFCAUDIOVISUALAPPLIANCETYPE
    IFCAXIS1PLACEMENT
    IFCAXIS2PLACEMENT2D
    IFCAXIS2PLACEMENT3D
    IFCAXIS2PLACEMENTLINEAR
    IFCBEAM
    IFCBEAMSTANDARDCASE
    IFCBEAMTYPE
    IFCBEARING
    IFCBEARINGTYPE
    IFCBEZIERCURVE
    IFCBINARY
    IFCBLOBTEXTURE
    IFCBLOCK
    IFCBOILER
    IFCBOILERTYPE
    IFCBOOLEAN
    IFCBOOLEANCLIPPINGRESULT
    IFCBOOLEANRESULT
    IFCBOREHOLE
    IFCBOUNDARYCONDITION
    IFCBOUNDARYCURVE
    IFCBOUNDARYEDGECONDITION
    IFCBOUNDARYFACECONDITION
    IFCBOUNDARYNODECONDITION
    IFCBOUNDARYNODECONDITIONWARPING
    IFCBOUNDEDCURVE
    IFCBOUNDEDSURFACE
    IFCBOUNDINGBOX
    IFCBOXALIGNMENT
    IFCBOXEDHALFSPACE
    IFCBRIDGE
    IFCBRIDGEPART
    IFCBSPLINECURVE
    IFCBSPLINECURVEWITHKNOTS
    IFCBSPLINESURFACE
    IFCBSPLINESURFACEWITHKNOTS
    IFCBUILDING
    IFCBUILDINGELEMENT
    IFCBUILDINGELEMENTCOMPONENT
    IFCBUILDINGELEMENTPART
    IFCBUILDINGELEMENTPARTTYPE
    IFCBUILDINGELEMENTPROXY
    IFCBUILDINGELEMENTPROXYTYPE
    IFCBUILDINGELEMENTTYPE
    IFCBUILDINGSTOREY
    IFCBUILDINGSYSTEM
    IFCBUILTELEMENT
    IFCBUILTELEMENTTYPE
    IFCBUILTSYSTEM
    IFCBURNER
    IFCBURNERTYPE
    IFCCABLECARRIERFITTING
    IFCCABLECARRIERFITTINGTYPE
    IFCCABLECARRIERSEGMENT
    IFCCABLECARRIERSEGMENTTYPE
    IFCCABLEFITTING
    IFCCABLEFITTINGTYPE
    IFCCABLESEGMENT
    IFCCABLESEGMENTTYPE
    IFCCAISSONFOUNDATION
    IFCCAISSONFOUNDATIONTYPE
    IFCCALENDARDATE
    IFCCARDINALPOINTREFERENCE
    IFCCARTESIANPOINT
    IFCCARTESIANPOINTLIST
    IFCCARTESIANPOINTLIST2D
    IFCCARTESIANPOINTLIST3D
    IFCCARTESIANTRANSFORMATIONOPERATOR
    IFCCARTESIANTRANSFORMATIONOPERATOR2D
    IFCCARTESIANTRANSFORMATIONOPERATOR2DNONUNIFORM
    IFCCARTESIANTRANSFORMATIONOPERATOR3D
    IFCCARTESIANTRANSFORMATIONOPERATOR3DNONUNIFORM
    IFCCENTERLINEPROFILEDEF
    IFCCHAMFEREDGEFEATURE
    IFCCHILLER
    IFCCHILLERTYPE
    IFCCHIMNEY
    IFCCHIMNEYTYPE
    IFCCIRCLE
    IFCCIRCLEHOLLOWPROFILEDEF
    IFCCIRCLEPROFILEDEF
    IFCCIVILELEMENT
    IFCCIVILELEMENTTYPE
    IFCCLASSIFICATION
    IFCCLASSIFICATIONITEM
    IFCCLASSIFICATIONITEMRELATIONSHIP
    IFCCLASSIFICATIONNOTATION
    IFCCLASSIFICATIONNOTATIONFACET
    IFCCLASSIFICATIONREFERENCE
    IFCCLOSEDSHELL
    IFCCLOTHOID
    IFCCOIL
    IFCCOILTYPE
    IFCCOLOURRGB
    IFCCOLOURRGBLIST
    IFCCOLOURSPECIFICATION
    IFCCOLUMN
    IFCCOLUMNSTANDARDCASE
    IFCCOLUMNTYPE
    IFCCOMMUNICATIONSAPPLIANCE
    IFCCOMMUNICATIONSAPPLIANCETYPE
    IFCCOMPLEXNUMBER
    IFCCOMPLEXPROPERTY
    IFCCOMPLEXPROPERTYTEMPLATE
    IFCCOMPOSITECURVE
    IFCCOMPOSITECURVEONSURFACE
    IFCCOMPOSITECURVESEGMENT
    IFCCOMPOSITEPROFILEDEF
    IFCCOMPOUNDPLANEANGLEMEASURE
    IFCCOMPRESSOR
    IFCCOMPRESSORTYPE
    IFCCONDENSER
    IFCCONDENSERTYPE
    IFCCONDITION
    IFCCONDITIONCRITERION
    IFCCONIC
    IFCCONNECTEDFACESET
    IFCCONNECTIONCURVEGEOMETRY
    IFCCONNECTIONGEOMETRY
    IFCCONNECTIONPOINTECCENTRICITY
    IFCCONNECTIONPOINTGEOMETRY
    IFCCONNECTIONPORTGEOMETRY
    IFCCONNECTIONSURFACEGEOMETRY
    IFCCONNECTIONVOLUMEGEOMETRY
    IFCCONSTRAINT
    IFCCONSTRAINTAGGREGATIONRELATIONSHIP
    IFCCONSTRAINTCLASSIFICATIONRELATIONSHIP
    IFCCONSTRAINTRELATIONSHIP
    IFCCONSTRUCTIONEQUIPMENTRESOURCE
    IFCCONSTRUCTIONEQUIPMENTRESOURCETYPE
    IFCCONSTRUCTIONMATERIALRESOURCE
    IFCCONSTRUCTIONMATERIALRESOURCETYPE
    IFCCONSTRUCTIONPRODUCTRESOURCE
    IFCCONSTRUCTIONPRODUCTRESOURCETYPE
    IFCCONSTRUCTIONRESOURCE
    IFCCONSTRUCTIONRESOURCETYPE
    IFCCONTEXT
    IFCCONTEXTDEPENDENTMEASURE
    IFCCONTEXTDEPENDENTUNIT
    IFCCONTROL
    IFCCONTROLLER
    IFCCONTROLLERTYPE
    IFCCONVERSIONBASEDUNIT
    IFCCONVERSIONBASEDUNITWITHOFFSET
    IFCCONVEYORSEGMENT
    IFCCONVEYORSEGMENTTYPE
    IFCCOOLEDBEAM
    IFCCOOLEDBEAMTYPE
    IFCCOOLINGTOWER
    IFCCOOLINGTOWERTYPE
    IFCCOORDINATEDUNIVERSALTIMEOFFSET
    IFCCOORDINATEOPERATION
    IFCCOORDINATEREFERENCESYSTEM
    IFCCOSINESPIRAL
    IFCCOSTITEM
    IFCCOSTSCHEDULE
    IFCCOSTVALUE
    IFCCOUNTMEASURE
    IFCCOURSE
    IFCCOURSETYPE
    IFCCOVERING
    IFCCOVERINGTYPE
    IFCCRANERAILASHAPEPROFILEDEF
    IFCCRANERAILFSHAPEPROFILEDEF
    IFCCREWRESOURCE
    IFCCREWRESOURCETYPE
    IFCCSGPRIMITIVE3D
    IFCCSGSOLID
    IFCCSHAPEPROFILEDEF
    IFCCURRENCYRELATIONSHIP
    IFCCURTAINWALL
    IFCCURTAINWALLTYPE
    IFCCURVATUREMEASURE
    IFCCURVE
    IFCCURVEBOUNDEDPLANE
    IFCCURVEBOUNDEDSURFACE
    IFCCURVESEGMENT
    IFCCURVESTYLE
    IFCCURVESTYLEFONT
    IFCCURVESTYLEFONTANDSCALING
    IFCCURVESTYLEFONTPATTERN
    IFCCYLINDRICALSURFACE
    IFCDAMPER
    IFCDAMPERTYPE
    IFCDATE
    IFCDATEANDTIME
    IFCDATETIME
    IFCDAYINMONTHNUMBER
    IFCDAYINWEEKNUMBER
    IFCDAYLIGHTSAVINGHOUR
    IFCDEEPFOUNDATION
    IFCDEEPFOUNDATIONTYPE
    IFCDEFINEDSYMBOL
    IFCDERIVEDPROFILEDEF
    IFCDERIVEDUNIT
    IFCDERIVEDUNITELEMENT
    IFCDESCRIPTIVEMEASURE
    IFCDIAMETERDIMENSION
    IFCDIMENSIONALEXPONENTS
    IFCDIMENSIONCALLOUTRELATIONSHIP
    IFCDIMENSIONCOUNT
    IFCDIMENSIONCURVE
    IFCDIMENSIONCURVEDIRECTEDCALLOUT
    IFCDIMENSIONCURVETERMINATOR
    IFCDIMENSIONPAIR
    IFCDIRECTION
    IFCDIRECTRIXCURVESWEPTAREASOLID
    IFCDIRECTRIXDERIVEDREFERENCESWEPTAREASOLID
    IFCDISCRETEACCESSORY
    IFCDISCRETEACCESSORYTYPE
    IFCDISTRIBUTIONBOARD
    IFCDISTRIBUTIONBOARDTYPE
    IFCDISTRIBUTIONCHAMBERELEMENT
    IFCDISTRIBUTIONCHAMBERELEMENTTYPE
    IFCDISTRIBUTIONCIRCUIT
    IFCDISTRIBUTIONCONTROLELEMENT
    IFCDISTRIBUTIONCONTROLELEMENTTYPE
    IFCDISTRIBUTIONELEMENT
    IFCDISTRIBUTIONELEMENTTYPE
    IFCDISTRIBUTIONFLOWELEMENT
    IFCDISTRIBUTIONFLOWELEMENTTYPE
    IFCDISTRIBUTIONPORT
    IFCDISTRIBUTIONSYSTEM
    IFCDOCUMENTELECTRONICFORMAT
    IFCDOCUMENTINFORMATION
    IFCDOCUMENTINFORMATIONRELATIONSHIP
    IFCDOCUMENTREFERENCE
    IFCDOOR
    IFCDOORLININGPROPERTIES
    IFCDOORPANELPROPERTIES
    IFCDOORSTANDARDCASE
    IFCDOORSTYLE
    IFCDOORTYPE
    IFCDOSEEQUIVALENTMEASURE
    IFCDRAUGHTINGCALLOUT
    IFCDRAUGHTINGCALLOUTRELATIONSHIP
    IFCDRAUGHTINGPREDEFINEDCOLOUR
    IFCDRAUGHTINGPREDEFINEDCURVEFONT
    IFCDRAUGHTINGPREDEFINEDTEXTFONT
    IFCDUCTFITTING
    IFCDUCTFITTINGTYPE
    IFCDUCTSEGMENT
    IFCDUCTSEGMENTTYPE
    IFCDUCTSILENCER
    IFCDUCTSILENCERTYPE
    IFCDURATION
    IFCDYNAMICVISCOSITYMEASURE
    IFCEARTHWORKSCUT
    IFCEARTHWORKSELEMENT
    IFCEARTHWORKSFILL
    IFCEDGE
    IFCEDGECURVE
    IFCEDGEFEATURE
    IFCEDGELOOP
    IFCELECTRICALBASEPROPERTIES
    IFCELECTRICALCIRCUIT
    IFCELECTRICALELEMENT
    IFCELECTRICAPPLIANCE
    IFCELECTRICAPPLIANCETYPE
    IFCELECTRICCAPACITANCEMEASURE
    IFCELECTRICCHARGEMEASURE
    IFCELECTRICCONDUCTANCEMEASURE
    IFCELECTRICCURRENTMEASURE
    IFCELECTRICDISTRIBUTIONBOARD
    IFCELECTRICDISTRIBUTIONBOARDTYPE
    IFCELECTRICDISTRIBUTIONPOINT
    IFCELECTRICFLOWSTORAGEDEVICE
    IFCELECTRICFLOWSTORAGEDEVICETYPE
    IFCELECTRICFLOWTREATMENTDEVICE
    IFCELECTRICFLOWTREATMENTDEVICETYPE
    IFCELECTRICGENERATOR
    IFCELECTRICGENERATORTYPE
    IFCELECTRICHEATERTYPE
    IFCELECTRICMOTOR
    IFCELECTRICMOTORTYPE
    IFCELECTRICRESISTANCEMEASURE
    IFCELECTRICTIMECONTROL
    IFCELECTRICTIMECONTROLTYPE
    IFCELECTRICVOLTAGEMEASURE
    IFCELEMENT
    IFCELEMENTARYSURFACE
    IFCELEMENTASSEMBLY
    IFCELEMENTASSEMBLYTYPE
    IFCELEMENTCOMPONENT
    IFCELEMENTCOMPONENTTYPE
    IFCELEMENTQUANTITY
    IFCELEMENTTYPE
    IFCELLIPSE
    IFCELLIPSEPROFILEDEF
    IFCENERGYCONVERSIONDEVICE
    IFCENERGYCONVERSIONDEVICETYPE
    IFCENERGYMEASURE
    IFCENERGYPROPERTIES
    IFCENGINE
    IFCENGINETYPE
    IFCENVIRONMENTALIMPACTVALUE
    IFCEQUIPMENTELEMENT
    IFCEQUIPMENTSTANDARD
    IFCEVAPORATIVECOOLER
    IFCEVAPORATIVECOOLERTYPE
    IFCEVAPORATOR
    IFCEVAPORATORTYPE
    IFCEVENT
    IFCEVENTTIME
    IFCEVENTTYPE
    IFCEXTENDEDMATERIALPROPERTIES
    IFCEXTENDEDPROPERTIES
    IFCEXTERNALINFORMATION
    IFCEXTERNALLYDEFINEDHATCHSTYLE
    IFCEXTERNALLYDEFINEDSURFACESTYLE
    IFCEXTERNALLYDEFINEDSYMBOL
    IFCEXTERNALLYDEFINEDTEXTFONT
    IFCEXTERNALREFERENCE
    IFCEXTERNALREFERENCERELATIONSHIP
    IFCEXTERNALSPATIALELEMENT
    IFCEXTERNALSPATIALSTRUCTUREELEMENT
    IFCEXTRUDEDAREASOLID
    IFCEXTRUDEDAREASOLIDTAPERED
    IFCFACE
    IFCFACEBASEDSURFACEMODEL
    IFCFACEBOUND
    IFCFACEOUTERBOUND
    IFCFACESURFACE
    IFCFACETEDBREP
    IFCFACETEDBREPWITHVOIDS
    IFCFACILITY
    IFCFACILITYPART
    IFCFACILITYPARTCOMMON
    IFCFAILURECONNECTIONCONDITION
    IFCFAN
    IFCFANTYPE
    IFCFASTENER
    IFCFASTENERTYPE
    IFCFEATUREELEMENT
    IFCFEATUREELEMENTADDITION
    IFCFEATUREELEMENTSUBTRACTION
    IFCFILLAREASTYLE
    IFCFILLAREASTYLEHATCHING
    IFCFILLAREASTYLETILES
    IFCFILLAREASTYLETILESYMBOLWITHSTYLE
    IFCFILTER
    IFCFILTERTYPE
    IFCFIRESUPPRESSIONTERMINAL
    IFCFIRESUPPRESSIONTERMINALTYPE
    IFCFIXEDREFERENCESWEPTAREASOLID
    IFCFLOWCONTROLLER
    IFCFLOWCONTROLLERTYPE
    IFCFLOWFITTING
    IFCFLOWFITTINGTYPE
    IFCFLOWINSTRUMENT
    IFCFLOWINSTRUMENTTYPE
    IFCFLOWMETER
    IFCFLOWMETERTYPE
    IFCFLOWMOVINGDEVICE
    IFCFLOWMOVINGDEVICETYPE
    IFCFLOWSEGMENT
    IFCFLOWSEGMENTTYPE
    IFCFLOWSTORAGEDEVICE
    IFCFLOWSTORAGEDEVICETYPE
    IFCFLOWTERMINAL
    IFCFLOWTERMINALTYPE
    IFCFLOWTREATMENTDEVICE
    IFCFLOWTREATMENTDEVICETYPE
    IFCFLUIDFLOWPROPERTIES
    IFCFONTSTYLE
    IFCFONTVARIANT
    IFCFONTWEIGHT
    IFCFOOTING
    IFCFOOTINGTYPE
    IFCFORCEMEASURE
    IFCFREQUENCYMEASURE
    IFCFUELPROPERTIES
    IFCFURNISHINGELEMENT
    IFCFURNISHINGELEMENTTYPE
    IFCFURNITURE
    IFCFURNITURESTANDARD
    IFCFURNITURETYPE
    IFCGASTERMINALTYPE
    IFCGENERALMATERIALPROPERTIES
    IFCGENERALPROFILEPROPERTIES
    IFCGEOGRAPHICELEMENT
    IFCGEOGRAPHICELEMENTTYPE
    IFCGEOMETRICCURVESET
    IFCGEOMETRICREPRESENTATIONCONTEXT
    IFCGEOMETRICREPRESENTATIONITEM
    IFCGEOMETRICREPRESENTATIONSUBCONTEXT
    IFCGEOMETRICSET
    IFCGEOMODEL
    IFCGEOSLICE
    IFCGEOTECHNICALASSEMBLY
    IFCGEOTECHNICALELEMENT
    IFCGEOTECHNICALSTRATUM
    IFCGLOBALLYUNIQUEID
    IFCGRADIENTCURVE
    IFCGRID
    IFCGRIDAXIS
    IFCGRIDPLACEMENT
    IFCGROUP
    IFCHALFSPACESOLID
    IFCHEATEXCHANGER
    IFCHEATEXCHANGERTYPE
    IFCHEATFLUXDENSITYMEASURE
    IFCHEATINGVALUEMEASURE
    IFCHOURINDAY
    IFCHUMIDIFIER
    IFCHUMIDIFIERTYPE
    IFCHYGROSCOPICMATERIALPROPERTIES
    IFCIDENTIFIER
    IFCILLUMINANCEMEASURE
    IFCIMAGETEXTURE
    IFCIMPACTPROTECTIONDEVICE
    IFCIMPACTPROTECTIONDEVICETYPE
    IFCINDEXEDCOLOURMAP
    IFCINDEXEDPOLYCURVE
    IFCINDEXEDPOLYGONALFACE
    IFCINDEXEDPOLYGONALFACEWITHVOIDS
    IFCINDEXEDPOLYGONALTEXTUREMAP
    IFCINDEXEDTEXTUREMAP
    IFCINDEXEDTRIANGLETEXTUREMAP
    IFCINDUCTANCEMEASURE
    IFCINTEGER
    IFCINTEGERCOUNTRATEMEASURE
    IFCINTERCEPTOR
    IFCINTERCEPTORTYPE
    IFCINTERSECTIONCURVE
    IFCINVENTORY
    IFCIONCONCENTRATIONMEASURE
    IFCIRREGULARTIMESERIES
    IFCIRREGULARTIMESERIESVALUE
    IFCISHAPEPROFILEDEF
    IFCISOTHERMALMOISTURECAPACITYMEASURE
    IFCJUNCTIONBOX
    IFCJUNCTIONBOXTYPE
    IFCKERB
    IFCKERBTYPE
    IFCKINEMATICVISCOSITYMEASURE
    IFCLABEL
    IFCLABORRESOURCE
    IFCLABORRESOURCETYPE
    IFCLAGTIME
    IFCLAMP
    IFCLAMPTYPE
    IFCLANGUAGEID
    IFCLENGTHMEASURE
    IFCLIBRARYINFORMATION
    IFCLIBRARYREFERENCE
    IFCLIGHTDISTRIBUTIONDATA
    IFCLIGHTFIXTURE
    IFCLIGHTFIXTURETYPE
    IFCLIGHTINTENSITYDISTRIBUTION
    IFCLIGHTSOURCE
    IFCLIGHTSOURCEAMBIENT
    IFCLIGHTSOURCEDIRECTIONAL
    IFCLIGHTSOURCEGONIOMETRIC
    IFCLIGHTSOURCEPOSITIONAL
    IFCLIGHTSOURCESPOT
    IFCLINE
    IFCLINEARDIMENSION
    IFCLINEARELEMENT
    IFCLINEARFORCEMEASURE
    IFCLINEARMOMENTMEASURE
    IFCLINEARPLACEMENT
    IFCLINEARPOSITIONINGELEMENT
    IFCLINEARSTIFFNESSMEASURE
    IFCLINEARVELOCITYMEASURE
    IFCLINEINDEX
    IFCLIQUIDTERMINAL
    IFCLIQUIDTERMINALTYPE
    IFCLOCALPLACEMENT
    IFCLOCALTIME
    IFCLOGICAL
    IFCLOOP
    IFCLSHAPEPROFILEDEF
    IFCLUMINOUSFLUXMEASURE
    IFCLUMINOUSINTENSITYDISTRIBUTIONMEASURE
    IFCLUMINOUSINTENSITYMEASURE
    IFCMAGNETICFLUXDENSITYMEASURE
    IFCMAGNETICFLUXMEASURE
    IFCMANIFOLDSOLIDBREP
    IFCMAPCONVERSION
    IFCMAPPEDITEM
    IFCMARINEFACILITY
    IFCMARINEPART
    IFCMASSDENSITYMEASURE
    IFCMASSFLOWRATEMEASURE
    IFCMASSMEASURE
    IFCMASSPERLENGTHMEASURE
    IFCMATERIAL
    IFCMATERIALCLASSIFICATIONRELATIONSHIP
    IFCMATERIALCONSTITUENT
    IFCMATERIALCONSTITUENTSET
    IFCMATERIALDEFINITION
    IFCMATERIALDEFINITIONREPRESENTATION
    IFCMATERIALLAYER
    IFCMATERIALLAYERSET
    IFCMATERIALLAYERSETUSAGE
    IFCMATERIALLAYERWITHOFFSETS
    IFCMATERIALLIST
    IFCMATERIALPROFILE
    IFCMATERIALPROFILESET
    IFCMATERIALPROFILESETUSAGE
    IFCMATERIALPROFILESETUSAGETAPERING
    IFCMATERIALPROFILEWITHOFFSETS
    IFCMATERIALPROPERTIES
    IFCMATERIALRELATIONSHIP
    IFCMATERIALUSAGEDEFINITION
    IFCMEASUREWITHUNIT
    IFCMECHANICALCONCRETEMATERIALPROPERTIES
    IFCMECHANICALFASTENER
    IFCMECHANICALFASTENERTYPE
    IFCMECHANICALMATERIALPROPERTIES
    IFCMECHANICALSTEELMATERIALPROPERTIES
    IFCMEDICALDEVICE
    IFCMEDICALDEVICETYPE
    IFCMEMBER
    IFCMEMBERSTANDARDCASE
    IFCMEMBERTYPE
    IFCMETRIC
    IFCMINUTEINHOUR
    IFCMIRROREDPROFILEDEF
    IFCMOBILETELECOMMUNICATIONSAPPLIANCE
    IFCMOBILETELECOMMUNICATIONSAPPLIANCETYPE
    IFCMODULUSOFELASTICITYMEASURE
    IFCMODULUSOFLINEARSUBGRADEREACTIONMEASURE
    IFCMODULUSOFROTATIONALSUBGRADEREACTIONMEASURE
    IFCMODULUSOFSUBGRADEREACTIONMEASURE
    IFCMOISTUREDIFFUSIVITYMEASURE
    IFCMOLECULARWEIGHTMEASURE
    IFCMOMENTOFINERTIAMEASURE
    IFCMONETARYMEASURE
    IFCMONETARYUNIT
    IFCMONTHINYEARNUMBER
    IFCMOORINGDEVICE
    IFCMOORINGDEVICETYPE
    IFCMOTORCONNECTION
    IFCMOTORCONNECTIONTYPE
    IFCMOVE
    IFCNAMEDUNIT
    IFCNAVIGATIONELEMENT
    IFCNAVIGATIONELEMENTTYPE
    IFCNONNEGATIVELENGTHMEASURE
    IFCNORMALISEDRATIOMEASURE
    IFCNUMERICMEASURE
    IFCOBJECT
    IFCOBJECTDEFINITION
    IFCOBJECTIVE
    IFCOBJECTPLACEMENT
    IFCOCCUPANT
    IFCOFFSETCURVE
    IFCOFFSETCURVE2D
    IFCOFFSETCURVE3D
    IFCOFFSETCURVEBYDISTANCES
    IFCONEDIRECTIONREPEATFACTOR
    IFCOPENCROSSPROFILEDEF
    IFCOPENINGELEMENT
    IFCOPENINGSTANDARDCASE
    IFCOPENSHELL
    IFCOPTICALMATERIALPROPERTIES
    IFCORDERACTION
    IFCORGANIZATION
    IFCORGANIZATIONRELATIONSHIP
    IFCORIENTEDEDGE
    IFCOUTERBOUNDARYCURVE
    IFCOUTLET
    IFCOUTLETTYPE
    IFCOWNERHISTORY
    IFCPARAMETERIZEDPROFILEDEF
    IFCPARAMETERVALUE
    IFCPATH
    IFCPAVEMENT
    IFCPAVEMENTTYPE
    IFCPCURVE
    IFCPERFORMANCEHISTORY
    IFCPERMEABLECOVERINGPROPERTIES
    IFCPERMIT
    IFCPERSON
    IFCPERSONANDORGANIZATION
    IFCPHMEASURE
    IFCPHYSICALCOMPLEXQUANTITY
    IFCPHYSICALQUANTITY
    IFCPHYSICALSIMPLEQUANTITY
    IFCPILE
    IFCPILETYPE
    IFCPIPEFITTING
    IFCPIPEFITTINGTYPE
    IFCPIPESEGMENT
    IFCPIPESEGMENTTYPE
    IFCPIXELTEXTURE
    IFCPLACEMENT
    IFCPLANARBOX
    IFCPLANAREXTENT
    IFCPLANARFORCEMEASURE
    IFCPLANE
    IFCPLANEANGLEMEASURE
    IFCPLATE
    IFCPLATESTANDARDCASE
    IFCPLATETYPE
    IFCPOINT
    IFCPOINTBYDISTANCEEXPRESSION
    IFCPOINTONCURVE
    IFCPOINTONSURFACE
    IFCPOLYGONALBOUNDEDHALFSPACE
    IFCPOLYGONALFACESET
    IFCPOLYLINE
    IFCPOLYLOOP
    IFCPOLYNOMIALCURVE
    IFCPORT
    IFCPOSITIONINGELEMENT
    IFCPOSITIVEINTEGER
    IFCPOSITIVELENGTHMEASURE
    IFCPOSITIVEPLANEANGLEMEASURE
    IFCPOSITIVERATIOMEASURE
    IFCPOSTALADDRESS
    IFCPOWERMEASURE
    IFCPREDEFINEDCOLOUR
    IFCPREDEFINEDCURVEFONT
    IFCPREDEFINEDDIMENSIONSYMBOL
    IFCPREDEFINEDITEM
    IFCPREDEFINEDPOINTMARKERSYMBOL
    IFCPREDEFINEDPROPERTIES
    IFCPREDEFINEDPROPERTYSET
    IFCPREDEFINEDSYMBOL
    IFCPREDEFINEDTERMINATORSYMBOL
    IFCPREDEFINEDTEXTFONT
    IFCPRESENTABLETEXT
    IFCPRESENTATIONITEM
    IFCPRESENTATIONLAYERASSIGNMENT
    IFCPRESENTATIONLAYERWITHSTYLE
    IFCPRESENTATIONSTYLE
    IFCPRESENTATIONSTYLEASSIGNMENT
    IFCPRESSUREMEASURE
    IFCPROCEDURE
    IFCPROCEDURETYPE
    IFCPROCESS
    IFCPRODUCT
    IFCPRODUCTDEFINITIONSHAPE
    IFCPRODUCTREPRESENTATION
    IFCPRODUCTSOFCOMBUSTIONPROPERTIES
    IFCPROFILEDEF
    IFCPROFILEPROPERTIES
    IFCPROJECT
    IFCPROJECTEDCRS
    IFCPROJECTIONCURVE
    IFCPROJECTIONELEMENT
    IFCPROJECTLIBRARY
    IFCPROJECTORDER
    IFCPROJECTORDERRECORD
    IFCPROPERTY
    IFCPROPERTYABSTRACTION
    IFCPROPERTYBOUNDEDVALUE
    IFCPROPERTYCONSTRAINTRELATIONSHIP
    IFCPROPERTYDEFINITION
    IFCPROPERTYDEPENDENCYRELATIONSHIP
    IFCPROPERTYENUMERATEDVALUE
    IFCPROPERTYENUMERATION
    IFCPROPERTYLISTVALUE
    IFCPROPERTYREFERENCEVALUE
    IFCPROPERTYSET
    IFCPROPERTYSETDEFINITION
    IFCPROPERTYSETDEFINITIONSET
    IFCPROPERTYSETTEMPLATE
    IFCPROPERTYSINGLEVALUE
    IFCPROPERTYTABLEVALUE
    IFCPROPERTYTEMPLATE
    IFCPROPERTYTEMPLATEDEFINITION
    IFCPROTECTIVEDEVICE
    IFCPROTECTIVEDEVICETRIPPINGUNIT
    IFCPROTECTIVEDEVICETRIPPINGUNITTYPE
    IFCPROTECTIVEDEVICETYPE
    IFCPROXY
    IFCPUMP
    IFCPUMPTYPE
    IFCQUANTITYAREA
    IFCQUANTITYCOUNT
    IFCQUANTITYLENGTH
    IFCQUANTITYNUMBER
    IFCQUANTITYSET
    IFCQUANTITYTIME
    IFCQUANTITYVOLUME
    IFCQUANTITYWEIGHT
    IFCRADIOACTIVITYMEASURE
    IFCRADIUSDIMENSION
    IFCRAIL
    IFCRAILING
    IFCRAILINGTYPE
    IFCRAILTYPE
    IFCRAILWAY
    IFCRAILWAYPART
    IFCRAMP
    IFCRAMPFLIGHT
    IFCRAMPFLIGHTTYPE
    IFCRAMPTYPE
    IFCRATIOMEASURE
    IFCRATIONALBEZIERCURVE
    IFCRATIONALBSPLINECURVEWITHKNOTS
    IFCRATIONALBSPLINESURFACEWITHKNOTS
    IFCREAL
    IFCRECTANGLEHOLLOWPROFILEDEF
    IFCRECTANGLEPROFILEDEF
    IFCRECTANGULARPYRAMID
    IFCRECTANGULARTRIMMEDSURFACE
    IFCRECURRENCEPATTERN
    IFCREFERENCE
    IFCREFERENCESVALUEDOCUMENT
    IFCREFERENT
    IFCREGULARTIMESERIES
    IFCREINFORCEDSOIL
    IFCREINFORCEMENTBARPROPERTIES
    IFCREINFORCEMENTDEFINITIONPROPERTIES
    IFCREINFORCINGBAR
    IFCREINFORCINGBARTYPE
    IFCREINFORCINGELEMENT
    IFCREINFORCINGELEMENTTYPE
    IFCREINFORCINGMESH
    IFCREINFORCINGMESHTYPE
    IFCRELADHERESTOELEMENT
    IFCRELAGGREGATES
    IFCRELASSIGNS
    IFCRELASSIGNSTASKS
    IFCRELASSIGNSTOACTOR
    IFCRELASSIGNSTOCONTROL
    IFCRELASSIGNSTOGROUP
    IFCRELASSIGNSTOGROUPBYFACTOR
    IFCRELASSIGNSTOPROCESS
    IFCRELASSIGNSTOPRODUCT
    IFCRELASSIGNSTOPROJECTORDER
    IFCRELASSIGNSTORESOURCE
    IFCRELASSOCIATES
    IFCRELASSOCIATESAPPLIEDVALUE
    IFCRELASSOCIATESAPPROVAL
    IFCRELASSOCIATESCLASSIFICATION
    IFCRELASSOCIATESCONSTRAINT
    IFCRELASSOCIATESDOCUMENT
    IFCRELASSOCIATESLIBRARY
    IFCRELASSOCIATESMATERIAL
    IFCRELASSOCIATESPROFILEDEF
    IFCRELASSOCIATESPROFILEPROPERTIES
    IFCRELATIONSHIP
    IFCRELAXATION
    IFCRELCONNECTS
    IFCRELCONNECTSELEMENTS
    IFCRELCONNECTSPATHELEMENTS
    IFCRELCONNECTSPORTS
    IFCRELCONNECTSPORTTOELEMENT
    IFCRELCONNECTSSTRUCTURALACTIVITY
    IFCRELCONNECTSSTRUCTURALELEMENT
    IFCRELCONNECTSSTRUCTURALMEMBER
    IFCRELCONNECTSWITHECCENTRICITY
    IFCRELCONNECTSWITHREALIZINGELEMENTS
    IFCRELCONTAINEDINSPATIALSTRUCTURE
    IFCRELCOVERSBLDGELEMENTS
    IFCRELCOVERSSPACES
    IFCRELDECLARES
    IFCRELDECOMPOSES
    IFCRELDEFINES
    IFCRELDEFINESBYOBJECT
    IFCRELDEFINESBYPROPERTIES
    IFCRELDEFINESBYTEMPLATE
    IFCRELDEFINESBYTYPE
    IFCRELFILLSELEMENT
    IFCRELFLOWCONTROLELEMENTS
    IFCRELINTERACTIONREQUIREMENTS
    IFCRELINTERFERESELEMENTS
    IFCRELNESTS
    IFCRELOCCUPIESSPACES
    IFCRELOVERRIDESPROPERTIES
    IFCRELPOSITIONS
    IFCRELPROJECTSELEMENT
    IFCRELREFERENCEDINSPATIALSTRUCTURE
    IFCRELSCHEDULESCOSTITEMS
    IFCRELSEQUENCE
    IFCRELSERVICESBUILDINGS
    IFCRELSPACEBOUNDARY
    IFCRELSPACEBOUNDARY1STLEVEL
    IFCRELSPACEBOUNDARY2NDLEVEL
    IFCRELVOIDSELEMENT
    IFCREPARAMETRISEDCOMPOSITECURVESEGMENT
    IFCREPRESENTATION
    IFCREPRESENTATIONCONTEXT
    IFCREPRESENTATIONITEM
    IFCREPRESENTATIONMAP
    IFCRESOURCE
    IFCRESOURCEAPPROVALRELATIONSHIP
    IFCRESOURCECONSTRAINTRELATIONSHIP
    IFCRESOURCELEVELRELATIONSHIP
    IFCRESOURCETIME
    IFCREVOLVEDAREASOLID
    IFCREVOLVEDAREASOLIDTAPERED
    IFCRIBPLATEPROFILEPROPERTIES
    IFCRIGHTCIRCULARCONE
    IFCRIGHTCIRCULARCYLINDER
    IFCROAD
    IFCROADPART
    IFCROOF
    IFCROOFTYPE
    IFCROOT
    IFCROTATIONALFREQUENCYMEASURE
    IFCROTATIONALMASSMEASURE
    IFCROTATIONALSTIFFNESSMEASURE
    IFCROUNDEDEDGEFEATURE
    IFCROUNDEDRECTANGLEPROFILEDEF
    IFCSANITARYTERMINAL
    IFCSANITARYTERMINALTYPE
    IFCSCHEDULETIMECONTROL
    IFCSCHEDULINGTIME
    IFCSEAMCURVE
    IFCSECONDINMINUTE
    IFCSECONDORDERPOLYNOMIALSPIRAL
    IFCSECTIONALAREAINTEGRALMEASURE
    IFCSECTIONEDSOLID
    IFCSECTIONEDSOLIDHORIZONTAL
    IFCSECTIONEDSPINE
    IFCSECTIONEDSURFACE
    IFCSECTIONMODULUSMEASURE
    IFCSECTIONPROPERTIES
    IFCSECTIONREINFORCEMENTPROPERTIES
    IFCSEGMENT
    IFCSEGMENTEDREFERENCECURVE
    IFCSENSOR
    IFCSENSORTYPE
    IFCSERVICELIFE
    IFCSERVICELIFEFACTOR
    IFCSEVENTHORDERPOLYNOMIALSPIRAL
    IFCSHADINGDEVICE
    IFCSHADINGDEVICETYPE
    IFCSHAPEASPECT
    IFCSHAPEMODEL
    IFCSHAPEREPRESENTATION
    IFCSHEARMODULUSMEASURE
    IFCSHELLBASEDSURFACEMODEL
    IFCSIGN
    IFCSIGNAL
    IFCSIGNALTYPE
    IFCSIGNTYPE
    IFCSIMPLEPROPERTY
    IFCSIMPLEPROPERTYTEMPLATE
    IFCSINESPIRAL
    IFCSITE
    IFCSIUNIT
    IFCSLAB
    IFCSLABELEMENTEDCASE
    IFCSLABSTANDARDCASE
    IFCSLABTYPE
    IFCSLIPPAGECONNECTIONCONDITION
    IFCSOLARDEVICE
    IFCSOLARDEVICETYPE
    IFCSOLIDANGLEMEASURE
    IFCSOLIDMODEL
    IFCSOUNDPOWERLEVELMEASURE
    IFCSOUNDPOWERMEASURE
    IFCSOUNDPRESSURELEVELMEASURE
    IFCSOUNDPRESSUREMEASURE
    IFCSOUNDPROPERTIES
    IFCSOUNDVALUE
    IFCSPACE
    IFCSPACEHEATER
    IFCSPACEHEATERTYPE
    IFCSPACEPROGRAM
    IFCSPACETHERMALLOADPROPERTIES
    IFCSPACETYPE
    IFCSPATIALELEMENT
    IFCSPATIALELEMENTTYPE
    IFCSPATIALSTRUCTUREELEMENT
    IFCSPATIALSTRUCTUREELEMENTTYPE
    IFCSPATIALZONE
    IFCSPATIALZONETYPE
    IFCSPECIFICHEATCAPACITYMEASURE
    IFCSPECULAREXPONENT
    IFCSPECULARROUGHNESS
    IFCSPHERE
    IFCSPHERICALSURFACE
    IFCSPIRAL
    IFCSTACKTERMINAL
    IFCSTACKTERMINALTYPE
    IFCSTAIR
    IFCSTAIRFLIGHT
    IFCSTAIRFLIGHTTYPE
    IFCSTAIRTYPE
    IFCSTRUCTURALACTION
    IFCSTRUCTURALACTIVITY
    IFCSTRUCTURALANALYSISMODEL
    IFCSTRUCTURALCONNECTION
    IFCSTRUCTURALCONNECTIONCONDITION
    IFCSTRUCTURALCURVEACTION
    IFCSTRUCTURALCURVECONNECTION
    IFCSTRUCTURALCURVEMEMBER
    IFCSTRUCTURALCURVEMEMBERVARYING
    IFCSTRUCTURALCURVEREACTION
    IFCSTRUCTURALITEM
    IFCSTRUCTURALLINEARACTION
    IFCSTRUCTURALLINEARACTIONVARYING
    IFCSTRUCTURALLOAD
    IFCSTRUCTURALLOADCASE
    IFCSTRUCTURALLOADCONFIGURATION
    IFCSTRUCTURALLOADGROUP
    IFCSTRUCTURALLOADLINEARFORCE
    IFCSTRUCTURALLOADORRESULT
    IFCSTRUCTURALLOADPLANARFORCE
    IFCSTRUCTURALLOADSINGLEDISPLACEMENT
    IFCSTRUCTURALLOADSINGLEDISPLACEMENTDISTORTION
    IFCSTRUCTURALLOADSINGLEFORCE
    IFCSTRUCTURALLOADSINGLEFORCEWARPING
    IFCSTRUCTURALLOADSTATIC
    IFCSTRUCTURALLOADTEMPERATURE
    IFCSTRUCTURALMEMBER
    IFCSTRUCTURALPLANARACTION
    IFCSTRUCTURALPLANARACTIONVARYING
    IFCSTRUCTURALPOINTACTION
    IFCSTRUCTURALPOINTCONNECTION
    IFCSTRUCTURALPOINTREACTION
    IFCSTRUCTURALPROFILEPROPERTIES
    IFCSTRUCTURALREACTION
    IFCSTRUCTURALRESULTGROUP
    IFCSTRUCTURALSTEELPROFILEPROPERTIES
    IFCSTRUCTURALSURFACEACTION
    IFCSTRUCTURALSURFACECONNECTION
    IFCSTRUCTURALSURFACEMEMBER
    IFCSTRUCTURALSURFACEMEMBERVARYING
    IFCSTRUCTURALSURFACEREACTION
    IFCSTRUCTUREDDIMENSIONCALLOUT
    IFCSTYLEDITEM
    IFCSTYLEDREPRESENTATION
    IFCSTYLEMODEL
    IFCSUBCONTRACTRESOURCE
    IFCSUBCONTRACTRESOURCETYPE
    IFCSUBEDGE
    IFCSURFACE
    IFCSURFACECURVE
    IFCSURFACECURVESWEPTAREASOLID
    IFCSURFACEFEATURE
    IFCSURFACEOFLINEAREXTRUSION
    IFCSURFACEOFREVOLUTION
    IFCSURFACEREINFORCEMENTAREA
    IFCSURFACESTYLE
    IFCSURFACESTYLELIGHTING
    IFCSURFACESTYLEREFRACTION
    IFCSURFACESTYLERENDERING
    IFCSURFACESTYLESHADING
    IFCSURFACESTYLEWITHTEXTURES
    IFCSURFACETEXTURE
    IFCSWEPTAREASOLID
    IFCSWEPTDISKSOLID
    IFCSWEPTDISKSOLIDPOLYGONAL
    IFCSWEPTSURFACE
    IFCSWITCHINGDEVICE
    IFCSWITCHINGDEVICETYPE
    IFCSYMBOLSTYLE
    IFCSYSTEM
    IFCSYSTEMFURNITUREELEMENT
    IFCSYSTEMFURNITUREELEMENTTYPE
    IFCTABLE
    IFCTABLECOLUMN
    IFCTABLEROW
    IFCTANK
    IFCTANKTYPE
    IFCTASK
    IFCTASKTIME
    IFCTASKTIMERECURRING
    IFCTASKTYPE
    IFCTELECOMADDRESS
    IFCTEMPERATUREGRADIENTMEASURE
    IFCTEMPERATURERATEOFCHANGEMEASURE
    IFCTENDON
    IFCTENDONANCHOR
    IFCTENDONANCHORTYPE
    IFCTENDONCONDUIT
    IFCTENDONCONDUITTYPE
    IFCTENDONTYPE
    IFCTERMINATORSYMBOL
    IFCTESSELLATEDFACESET
    IFCTESSELLATEDITEM
    IFCTEXT
    IFCTEXTALIGNMENT
    IFCTEXTDECORATION
    IFCTEXTFONTNAME
    IFCTEXTLITERAL
    IFCTEXTLITERALWITHEXTENT
    IFCTEXTSTYLE
    IFCTEXTSTYLEFONTMODEL
    IFCTEXTSTYLEFORDEFINEDFONT
    IFCTEXTSTYLETEXTMODEL
    IFCTEXTSTYLEWITHBOXCHARACTERISTICS
    IFCTEXTTRANSFORMATION
    IFCTEXTURECOORDINATE
    IFCTEXTURECOORDINATEGENERATOR
    IFCTEXTURECOORDINATEINDICES
    IFCTEXTURECOORDINATEINDICESWITHVOIDS
    IFCTEXTUREMAP
    IFCTEXTUREVERTEX
    IFCTEXTUREVERTEXLIST
    IFCTHERMALADMITTANCEMEASURE
    IFCTHERMALCONDUCTIVITYMEASURE
    IFCTHERMALEXPANSIONCOEFFICIENTMEASURE
    IFCTHERMALMATERIALPROPERTIES
    IFCTHERMALRESISTANCEMEASURE
    IFCTHERMALTRANSMITTANCEMEASURE
    IFCTHERMODYNAMICTEMPERATUREMEASURE
    IFCTHIRDORDERPOLYNOMIALSPIRAL
    IFCTIME
    IFCTIMEMEASURE
    IFCTIMEPERIOD
    IFCTIMESERIES
    IFCTIMESERIESREFERENCERELATIONSHIP
    IFCTIMESERIESSCHEDULE
    IFCTIMESERIESVALUE
    IFCTIMESTAMP
    IFCTOPOLOGICALREPRESENTATIONITEM
    IFCTOPOLOGYREPRESENTATION
    IFCTOROIDALSURFACE
    IFCTORQUEMEASURE
    IFCTRACKELEMENT
    IFCTRACKELEMENTTYPE
    IFCTRANSFORMER
    IFCTRANSFORMERTYPE
    IFCTRANSPORTATIONDEVICE
    IFCTRANSPORTATIONDEVICETYPE
    IFCTRANSPORTELEMENT
    IFCTRANSPORTELEMENTTYPE
    IFCTRAPEZIUMPROFILEDEF
    IFCTRIANGULATEDFACESET
    IFCTRIANGULATEDIRREGULARNETWORK
    IFCTRIMMEDCURVE
    IFCTSHAPEPROFILEDEF
    IFCTUBEBUNDLE
    IFCTUBEBUNDLETYPE
    IFCTWODIRECTIONREPEATFACTOR
    IFCTYPEOBJECT
    IFCTYPEPROCESS
    IFCTYPEPRODUCT
    IFCTYPERESOURCE
    IFCUNITARYCONTROLELEMENT
    IFCUNITARYCONTROLELEMENTTYPE
    IFCUNITARYEQUIPMENT
    IFCUNITARYEQUIPMENTTYPE
    IFCUNITASSIGNMENT
    IFCURIREFERENCE
    IFCUSHAPEPROFILEDEF
    IFCVALVE
    IFCVALVETYPE
    IFCVAPORPERMEABILITYMEASURE
    IFCVECTOR
    IFCVEHICLE
    IFCVEHICLETYPE
    IFCVERTEX
    IFCVERTEXBASEDTEXTUREMAP
    IFCVERTEXLOOP
    IFCVERTEXPOINT
    IFCVIBRATIONDAMPER
    IFCVIBRATIONDAMPERTYPE
    IFCVIBRATIONISOLATOR
    IFCVIBRATIONISOLATORTYPE
    IFCVIRTUALELEMENT
    IFCVIRTUALGRIDINTERSECTION
    IFCVOIDINGFEATURE
    IFCVOLUMEMEASURE
    IFCVOLUMETRICFLOWRATEMEASURE
    IFCWALL
    IFCWALLELEMENTEDCASE
    IFCWALLSTANDARDCASE
    IFCWALLTYPE
    IFCWARPINGCONSTANTMEASURE
    IFCWARPINGMOMENTMEASURE
    IFCWASTETERMINAL
    IFCWASTETERMINALTYPE
    IFCWATERPROPERTIES
    IFCWINDOW
    IFCWINDOWLININGPROPERTIES
    IFCWINDOWPANELPROPERTIES
    IFCWINDOWSTANDARDCASE
    IFCWINDOWSTYLE
    IFCWINDOWTYPE
    IFCWORKCALENDAR
    IFCWORKCONTROL
    IFCWORKPLAN
    IFCWORKSCHEDULE
    IFCWORKTIME
    IFCYEARNUMBER
    IFCZONE
    IFCZSHAPEPROFILEDEF