IfcRoot

• IfcObjectDefinition
  • IfcContext
    • IfcProject
  • IfcObject
    • IfcActor
    • IfcControl
      • IfcActionRequest
      • IfcWorkControl
        • IfcWorkSchedule
    • IfcGroup
      • IfcSystem
        • IfcZone
    • IfcProcess
      • IfcTask
    • IfcProduct
      • IfcAnnotation
      • IfcElement
      • IfcPort
      • IfcSpatialElement
        • IfcSpatialStructureElement
          • IfcBuilding
          • IfcBuildingStorey
          • IfcSite
          • IfcSpace
    • IfcResource
      • IfcConstructionResource
        • IfcConstructionProductResource
  • IfcTypeObject
    • IfcTypeProduct
      • IfcElementType
    • IfcTypeResource
      • IfcConstructionResourceType
        • IfcConstructionProductResourceType
• IfcPropertyDefinition
  • IfcPropertySetDefinition
    • IfcPropertySet
    • IfcQuantitySet
      • IfcElementQuantity
• IfcRelationship
  • IfcRelAssigns
    • IfcRelAssignsToControl
    • IfcRelAssignsToGroup
  • IfcRelAssociates
    • IfcRelAssociatesClassification
    • IfcRelAssociatesConstraint
    • IfcRelAssociatesDocument
  • IfcRelConnects
    • IfcRelConnectsElements
      • IfcRelConnectsWithRealizingElements
    • IfcRelConnectsPorts
    • IfcRelContainedInSpatialStructure
    • IfcRelSequence
  • IfcRelDeclares
  • IfcRelDecomposes
    • IfcRelAggregates
  • IfcRelDefines
    • IfcRelDefinesByProperties
    • IfcRelDefinesByType