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  • IfcSegmentIndexSelect
    at the type Type Definition Formal representations XSD Specification xs group name IfcSegmentIndexSelect xs choice xs element ref ifc IfcArcIndex wrapper xs element ref ifc IfcLineIndex wrapper xs choice xs group EXPRESS Specification TYPE IfcSegmentIndexSelect SELECT IfcLineIndex IfcArcIndex END TYPE

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcgeometryresource/lexical/ifcsegmentindexselect.htm (2016-02-12)
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  • IfcArcIndex
    to point into an IfcCartesianPointList for providing the Cartesian points of the circular arc segments of the poly curve HISTORY New Type in IFC4 ADD1 Formal representations XSD Specification xs complexType name IfcArcIndex xs simpleContent xs extension base ifc List IfcArcIndex xs attribute ref ifc itemType fixed ifc IfcPositiveInteger xs attribute ref ifc cType fixed list xs attribute ref ifc arraySize use optional xs extension xs simpleContent xs complexType xs

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcgeometryresource/lexical/ifcarcindex.htm (2016-02-12)
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  • IfcLineIndex
    the list of indices NOTE The type is used for IfcIndexedPolyCurve to point into an IfcCartesianPointList for providing the Cartesian points of the straight segments of the poly curve HISTORY New Type in IFC4 ADD1 Formal representations XSD Specification xs complexType name IfcLineIndex xs simpleContent xs extension base ifc List IfcLineIndex xs attribute ref ifc itemType fixed ifc IfcPositiveInteger xs attribute ref ifc cType fixed list xs attribute ref ifc

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcgeometryresource/lexical/ifclineindex.htm (2016-02-12)
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  • IfcInteger
    simple types in its select list In principle the domain of IfcInteger being an Integer is all integer numbers Here the number of bits used for the IfcInteger representation is unconstrained but in practice it is implementation specific Type INTEGER HISTORY New type in IFC1 5 1 Formal representations XSD Specification xs simpleType name IfcInteger xs restriction base xs long xs simpleType xs element name IfcInteger wrapper nillable true xs

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcmeasureresource/lexical/ifcinteger.htm (2016-02-12)
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  • IfcBinary
    textures NOTE This type was introduced to maintain consistency with all native types A future IFC release may support this data type within IfcSimpleValue to enable use at property sets Type BINARY HISTORY New type in IFC4 ADD1 modification does not impact file compatibility Formal representations XSD Specification xs simpleType name IfcBinary xs restriction base xs hexBinary xs simpleType xs element name IfcBinary wrapper nillable true xs complexType xs simpleContent

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcmeasureresource/lexical/ifcbinary.htm (2016-02-12)
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  • IfcPositiveInteger
    all integer numbers larger than zero Here the number of bits used for the IfcInteger representation is unconstrained but in practice it is implementation specific Type INTEGER HISTORY New type in IFC4 ADD1 Formal Propositions Rule Description WR1 A positive integer shall be greater than zero Formal representations XSD Specification xs simpleType name IfcPositiveInteger xs restriction base ifc IfcInteger xs simpleType xs element name IfcPositiveInteger wrapper nillable true xs complexType

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcmeasureresource/lexical/ifcpositiveinteger.htm (2016-02-12)
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  • IfcBuildingSystem
    HasAssignments IfcRelAssigns RelatedObjects S 0 Reference to the relationship objects that assign by an association relationship other subtypes of IfcObject to this object instance Examples are the association to products processes controls resources or groups Nests IfcRelNests RelatedObjects S 0 1 References to the decomposition relationship being a nesting It determines that this object definition is a part within an ordered whole part decomposition relationship An object occurrence or type can only be part of a single decomposition to allow hierarchical strutures only IsNestedBy IfcRelNests RelatingObject S 0 References to the decomposition relationship being a nesting It determines that this object definition is the whole within an ordered whole part decomposition relationship An object or object type can be nested by several other objects occurrences or types HasContext IfcRelDeclares RelatedDefinitions S 0 1 References to the context providing context information such as project unit or representation context It should only be asserted for the uppermost non spatial object IsDecomposedBy IfcRelAggregates RelatingObject S 0 References to the decomposition relationship being an aggregation It determines that this object definition is whole within an unordered whole part decomposition relationship An object definitions can be aggregated by several other objects occurrences or parts Decomposes IfcRelAggregates RelatedObjects S 0 1 References to the decomposition relationship being an aggregation It determines that this object definition is a part within an unordered whole part decomposition relationship An object definitions can only be part of a single decomposition to allow hierarchical strutures only HasAssociations IfcRelAssociates RelatedObjects S 0 Reference to the relationship objects that associates external references or other resource definitions to the object Examples are the association to library documentation or classification IfcObject 5 ObjectType IfcLabel 0 1 The type denotes a particular type that indicates the object further The use has to be established at the level of instantiable subtypes In particular it holds the user defined type if the enumeration of the attribute PredefinedType is set to USERDEFINED IsDeclaredBy IfcRelDefinesByObject RelatedObjects S 0 1 Link to the relationship object pointing to the declaring object that provides the object definitions for this object occurrence The declaring object has to be part of an object type decomposition The associated IfcObject or its subtypes contains the specific information as part of a type or style definition that is common to all reflected instances of the declaring IfcObject or its subtypes Declares IfcRelDefinesByObject RelatingObject S 0 Link to the relationship object pointing to the reflected object s that receives the object definitions The reflected object has to be part of an object occurrence decomposition The associated IfcObject or its subtypes provides the specific information as part of a type or style definition that is common to all reflected instances of the declaring IfcObject or its subtypes IsTypedBy IfcRelDefinesByType RelatedObjects S 0 1 Set of relationships to the object type that provides the type definitions for this object occurrence The then associated IfcTypeObject or its subtypes contains the specific information or type or style that is common to all instances

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcsharedbldgelements/lexical/ifcbuildingsystem.htm (2016-02-12)
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  • IfcDistributionSystem
    can only be part of a single decomposition to allow hierarchical strutures only IsNestedBy IfcRelNests RelatingObject S 0 References to the decomposition relationship being a nesting It determines that this object definition is the whole within an ordered whole part decomposition relationship An object or object type can be nested by several other objects occurrences or types HasContext IfcRelDeclares RelatedDefinitions S 0 1 References to the context providing context information such as project unit or representation context It should only be asserted for the uppermost non spatial object IsDecomposedBy IfcRelAggregates RelatingObject S 0 References to the decomposition relationship being an aggregation It determines that this object definition is whole within an unordered whole part decomposition relationship An object definitions can be aggregated by several other objects occurrences or parts Decomposes IfcRelAggregates RelatedObjects S 0 1 References to the decomposition relationship being an aggregation It determines that this object definition is a part within an unordered whole part decomposition relationship An object definitions can only be part of a single decomposition to allow hierarchical strutures only HasAssociations IfcRelAssociates RelatedObjects S 0 Reference to the relationship objects that associates external references or other resource definitions to the object Examples are the association to library documentation or classification IfcObject 5 ObjectType IfcLabel 0 1 The type denotes a particular type that indicates the object further The use has to be established at the level of instantiable subtypes In particular it holds the user defined type if the enumeration of the attribute PredefinedType is set to USERDEFINED IsDeclaredBy IfcRelDefinesByObject RelatedObjects S 0 1 Link to the relationship object pointing to the declaring object that provides the object definitions for this object occurrence The declaring object has to be part of an object type decomposition The associated IfcObject or its subtypes contains the specific information as part of a type or style definition that is common to all reflected instances of the declaring IfcObject or its subtypes Declares IfcRelDefinesByObject RelatingObject S 0 Link to the relationship object pointing to the reflected object s that receives the object definitions The reflected object has to be part of an object occurrence decomposition The associated IfcObject or its subtypes provides the specific information as part of a type or style definition that is common to all reflected instances of the declaring IfcObject or its subtypes IsTypedBy IfcRelDefinesByType RelatedObjects S 0 1 Set of relationships to the object type that provides the type definitions for this object occurrence The then associated IfcTypeObject or its subtypes contains the specific information or type or style that is common to all instances of IfcObject or its subtypes referring to the same type IsDefinedBy IfcRelDefinesByProperties RelatedObjects S 0 Set of relationships to property set definitions attached to this object Those statically or dynamically defined properties contain alphanumeric information content that further defines the object IfcGroup IsGroupedBy IfcRelAssignsToGroup RelatingGroup S 0 Reference to the relationship IfcRelAssignsToGroup that assigns the one to many group members to the IfcGroup object IfcSystem ServicesBuildings IfcRelServicesBuildings RelatingSystem S 0

    Original URL path: http://www.buildingsmart-tech.org/ifc/review/IFC4Add1/beta/html/schema/ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm (2016-02-12)
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