IfcInternalOrExternalEnum

Natural language names
Internal Or External Enum
Intérieur ou extérieur
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcInternalOrExternalEnum
      EXTERNAL_EARTHADDED
      EXTERNAL_WATERADDED
      EXTERNAL_FIREADDED
Semantic definitions at the type
Type definition

This enumeration defines the different types of space boundaries in terms of either being inside the building or outside the building.

HISTORY  New enumeration in IFC2.0

IFC4 CHANGE  Enumeration no longer applicable to IfcSpace. The following enumerators are added: EXTERNAL_EARTH, EXTERNAL_WATER, EXTERNAL_FIRE.

Enumeration definition
ConstantDescription
INTERNALThe space boundary faces a physical or virtual element where there is an internal space on the other side.
EXTERNALThe space boundary faces a physical or virtual element where there is an external space on the other side.
EXTERNAL_EARTHThe space boundary faces a physical or virtual element where there is earth (or terrain) on the other side.
EXTERNAL_WATERThe space boundary faces a physical or virtual element where there is water (water component of terrain) on the other side.
EXTERNAL_FIREThe space boundary faces a physical or virtual element where there is another building on the other side.
NOTDEFINEDNo information available.
Formal representations
XML Specification
 <xs:simpleType name="IfcInternalOrExternalEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="internal"/>
   <xs:enumeration value="external"/>
   <xs:enumeration value="external_earth"/>
   <xs:enumeration value="external_water"/>
   <xs:enumeration value="external_fire"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcInternalOrExternalEnum = ENUMERATION OF (
 INTERNAL,
 EXTERNAL,
 EXTERNAL_EARTH,
 EXTERNAL_WATER,
 EXTERNAL_FIRE,
 NOTDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcRelSpaceBoundary

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