IfcTrimmingSelect

BACnet MVD

#### IfcTrimmingSelect

Natural language names

| Trimming Select
| Sélection de rognage

##### Semantic definitions at the type

Type definition

The IfcTrimmingSelect allows for a choice between two ways of trimming a curve.

> NOTE Definition according to ISO/CD 10303-42:1992
> This select type identifies the two possible ways of trimming a parametric curve; by a Cartesian point on the curve, or by a REAL number defining a parameter value within the parametric range of the curve.

> NOTE Type adapted from trimming_select defined in ISO 10303-42.

> HISTORY New Type in IFC1.0

Select definition

Type | Description
--- | ---
IfcCartesianPoint |
IfcParameterValue |

##### Formal representations

XML Specification
`<xs:group name="IfcTrimmingSelect">
<xs:choice>
<xs:element ref="ifc:IfcCartesianPoint"/>
<xs:element ref="ifc:IfcParameterValue-wrapper"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcTrimmingSelect = SELECT (
IfcCartesianPoint,
IfcParameterValue);
END_TYPE;

EXPRESS-G diagram

`

References: IfcTrimmedCurve

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