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
| Constant | Description |
|---|---|
| IfcCartesianPoint | |
| IfcParameterValue |
<xs:group name="IfcTrimmingSelect">
<xs:choice>
<xs:element ref="ifc:IfcCartesianPoint"/>
<xs:element ref="ifc:IfcParameterValue-wrapper"/>
</xs:choice>
</xs:group>
TYPE IfcTrimmingSelect = SELECT (
IfcCartesianPoint,
IfcParameterValue);
END_TYPE;
EXPRESS-G diagram
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