![]()  | Projection Element Type Enum | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 | 
|---|---|---|---|---|
| IfcProjectionElementTypeEnum | ADDED | 
This enumeration defines the basic types of projection elements.
NOTE Cuurently no predefined are defined.
HISTORY New enumeration in IFC4.
| Constant | Description | 
|---|---|
| USERDEFINED | User-defined projection element. | 
| NOTDEFINED | Undefined projection element. | 
 <xs:simpleType name="IfcProjectionElementTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
TYPE IfcProjectionElementTypeEnum = ENUMERATION OF (
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;