IfcTrimmingPreference

BACnet MVD

#### IfcTrimmingPreference

Natural language names

| Trimming Preference
| Préférence de rognage

##### Semantic definitions at the type

Type definition

The IfcTrimmingPreference indicates the preferred way of trimming.

> NOTE Definition according to 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 Type adapted from trimming_preference defined in ISO 10303-42.

> HISTORY New Type in IFC1.0

Enumeration definition

Constant | Description
--- | ---
CARTESIAN | Indicates that trimming by Cartesian point is preferred.
PARAMETER | Indicates the preference for the parameter value.
UNSPECIFIED | Indicates that no preference is communicated.

##### Formal representations

XML 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

`

References: IfcTrimmedCurve

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