#### IfcTrimmingPreference

Natural language names

##### Semantic definitions at the type

Type definition

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

- Cartesian Indicates that trimming by Cartesian point is preferred.
- Parameter Indicates the preference for the parameter value.
- Unspecified Indicates that no preference is communicated.

Enumeration definition

Constant | Description
--- | ---
CARTESIAN |
PARAMETER |
UNSPECIFIED |

##### Formal representations

XSD Specification
`<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>
`
EXPRESS Specification
`TYPE IfcTrimmingPreference = ENUMERATION OF (
CARTESIAN,
PARAMETER,
UNSPECIFIED);
END_TYPE;

EXPRESS-G diagram

`

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