IfcCurveOrEdgeCurve
类型定义
IfcCurveOrEdgeCurve提供了在几何模型中选择几何曲线（IfcCurve和子类型）或在拓扑模型中选择具有关联几何图形和坐标的曲线（IfcEdgeCurve）的选项。
IFC2x3中的新选择类型。
Enumeration definition
| Constant | Description |
|---|---|
| IfcBoundedCurve | |
| IfcEdgeCurve |
EXPRESS Specification
TYPE IfcCurveOrEdgeCurve = SELECT ( IfcBoundedCurve, IfcEdgeCurve); END_TYPE;
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标签：TYPE,选择,IfcCurveOrEdgeCurve,几何,IfcBoundedCurve,IfcEdgeCurve From： https://www.cnblogs.com/herd/p/16623016.html