IfcExternalSpatialElementTypeEnum

BACnet MVD

#### IfcExternalSpatialElementTypeEnum

Natural language names

| External Spatial Element Type Enum
| Enumération des types d'élément spatial extérieur

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcExternalSpatialElementTypeEnum |  |  | ADDED |
IFC4 Addendum 2
IfcExternalSpatialElementTypeEnum |  |  |  |
NOTDEFINED |  |  | ADDED |
NOTDEFIEND | X | X | DELETED |

##### Semantic definitions at the type

Type definition

This enumeration defines the different types of external spatial elements.

> HISTORY New enumeration in IFC4.

Enumeration definition

Constant | Description
--- | ---
EXTERNAL | External air space around the building.
EXTERNAL_EARTH | External volume covered by earth around the building.
EXTERNAL_WATER | External volume covered with water around the building.
EXTERNAL_FIRE | Space occupied by a neightboring building.
USERDEFINED |
NOTDEFINED |

##### Formal representations

XML Specification
`<xs:simpleType name="IfcExternalSpatialElementTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="external"/>
<xs:enumeration value="external_earth"/>
<xs:enumeration value="external_water"/>
<xs:enumeration value="external_fire"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcExternalSpatialElementTypeEnum = ENUMERATION OF (
EXTERNAL,
EXTERNAL_EARTH,
EXTERNAL_WATER,
EXTERNAL_FIRE,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcExternalSpatialElement

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