IfcProjectionElementTypeEnum

BACnet MVD

#### IfcProjectionElementTypeEnum

Natural language names

| Projection Element Type Enum

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcProjectionElementTypeEnum |  |  | ADDED |

##### Semantic definitions at the type

Type definition

This enumeration defines the basic types of projection elements.

> NOTE Cuurently no predefined are defined.

> HISTORY New enumeration in IFC4.

Enumeration definition

Constant | Description
--- | ---
USERDEFINED | User-defined projection element.
NOTDEFINED | Undefined projection element.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcProjectionElementTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcProjectionElementTypeEnum = ENUMERATION OF (
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcProjectionElement

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