Definition from ISO/CD 10303-42:1992: This type is used to describe the preferred way of trimming a parametric curve where the trimming is multiply defined.
NOTE Corresponding STEP type: trimming_preference, please refer to ISO/IS 10303-42:1994, p. 18 for the final definition of the formal standard.
HISTORY New Type in IFC Release 1.0
ENUMERATION
| Constant | Description | 
|---|---|
| CARTESIAN | |
| PARAMETER | |
| UNSPECIFIED | 
 <xs:simpleType name="IfcTrimmingPreference">
  <xs:restriction base="xs:string">
   <xs:enumeration value="cartesian"/>
   <xs:enumeration value="parameter"/>
   <xs:enumeration value="unspecified"/>
  </xs:restriction>
 </xs:simpleType>
TYPE IfcTrimmingPreference = ENUMERATION OF (
 CARTESIAN, 
 PARAMETER, 
 UNSPECIFIED);
END_TYPE;