IfcFaceOuterBound

Natural language names
deÄußere Flächenbegrenzung - Topologie
enFace Outer Bound
frContour extérieur de face
Change log
ItemSPFXMLChangeDescription
IFC4 Addendum 1
    IfcFaceOuterBound
      OrientationMODIFIEDType changed from BOOLEAN to IfcBoolean.
Semantic definitions at the entity
Entity definition

NOTE  Definition according to ISO/CD 10303-42:1992
A face outer bound is a special subtype of face bound which carries the additional semantics of defining an outer boundary on the face. No more than one boundary of a face shall be of this type.
NOTE  Entity adapted from face_outer_bound defined in ISO 10303-42.
HISTORY  New entity in IFC1.0
Inherited definitions from supertypes
Entity inheritance IfcFaceBound IfcTopologicalRepresentationItem IfcRepresentationItem
Attribute inheritance
#AttributeTypeCardinalityDescriptionC
IfcRepresentationItem
LayerAssignmentIfcPresentationLayerAssignment
@AssignedItems
S[0:1]Assignment of the representation item to a single or multiple layer(s). The LayerAssignments can override a LayerAssignments of the IfcRepresentation it is used within the list of Items. X
StyledByItemIfcStyledItem
@Item
S[0:1]Reference to the IfcStyledItem that provides presentation information to the representation, e.g. a curve style, including colour and thickness to a geometric curve. X
IfcTopologicalRepresentationItem
IfcFaceBound
1BoundIfcLoop[1:1] The loop which will be used as a face boundary. X
2OrientationIfcBoolean[1:1] This indicated whether (TRUE) or not (FALSE) the loop has the same sense when used to bound the face as when first defined. If sense is FALSE the senses of all its component oriented edges are implicitly reversed when used in the face. X
IfcFaceOuterBound
Formal representations
XSD Specification
 <xs:element name="IfcFaceOuterBound" type="ifc:IfcFaceOuterBound" substitutionGroup="ifc:IfcFaceBound" nillable="true"/>
 <xs:complexType name="IfcFaceOuterBound">
  <xs:complexContent>
   <xs:extension base="ifc:IfcFaceBound"/>
  </xs:complexContent>
 </xs:complexType>
EXPRESS Specification
ENTITY IfcFaceOuterBound
 SUBTYPE OF (IfcFaceBound);
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

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