#### IfcTrimmingSelect

Natural language names

##### Semantic definitions at the type

Type definition

Definition from 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 Corresponding STEP type: trimming_select, please refer to ISO/IS 10303-42:1994, p. 20 for the final definition of the formal standard.

> HISTORY New Type in IFC Release 1.0

Enumeration definition

Constant | Description
--- | ---
IfcCartesianPoint |
IfcParameterValue |

##### Formal representations

XSD 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

`

Link to this page