IfcInternalOrExternalEnum

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IFC4 CHANGE Enumeration no longer applicable to IfcSpace.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

Constant	Description
INTERNAL	The space boundary faces a physical or virtual element where there is an internal space on the other side.
EXTERNAL	The space boundary faces a physical or virtual element where there is an external space on the other side.
EXTERNAL_EARTH	The space boundary faces a physical or virtual element where there is earth (or terrain) on the other side.
EXTERNAL_WATER	The space boundary faces a physical or virtual element where there is water (water component of terrain) on the other side.
EXTERNAL_FIRE	The space boundary faces a physical or virtual element where there is another building on the other side.
NOTDEFINED	No 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;


 EXPRESS-G diagram

Item	SPF	XML	Change	Description
IFC2x3 to IFC4
IfcInternalOrExternalEnum
EXTERNAL_EARTH			ADDED
EXTERNAL_WATER			ADDED
EXTERNAL_FIRE			ADDED

	Internal Or External Enum
	Intérieur ou extérieur