IfcTrimmingSelect

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

	Trimming Select
	Sélection de rognage