| Item | SPF | XML | Change | Description | IFC4 Addendum 1 |
|---|---|---|---|---|
| IfcSegmentIndexSelect | ADDED |
The IfcSegmentIndexSelect provides a choice of different list of indices into a point list.
NOTE The select type is used for IfcIndexedPolyCurve to point into an IfcCartesianPointList for providing the Cartesian points of linear and circular arc segments of the poly curve.
HISTORY New Type in IFC4 ADD1
| Constant | Description |
|---|---|
| IfcLineIndex | |
| IfcArcIndex |
<xs:group name="IfcSegmentIndexSelect">
<xs:choice>
<xs:element ref="ifc:IfcArcIndex-wrapper"/>
<xs:element ref="ifc:IfcLineIndex-wrapper"/>
</xs:choice>
</xs:group>
TYPE IfcSegmentIndexSelect = SELECT (
IfcLineIndex,
IfcArcIndex);
END_TYPE;
EXPRESS-G diagram
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