注：定义符合ISO/CD 10303-46:1992
曲线样式字体将多个曲线样式字体模式实体组合成更复杂的模式。产生的图案沿着曲线重复。
注：对应ISO 10303名称：曲线\字体。正式标准的最终定义请参考ISO/IS 10303-46:1994。
IFC2x2中增加的新实体。
Attribute inheritance
| # | Attribute | Type | Cardinality | Description | C |
|---|---|---|---|---|---|
| IfcPresentationItem | |||||
| IfcCurveStyleFont | |||||
| 1 | Name | IfcLabel | [0:1] | Name that may be assigned with the curve font. | X |
| 2 | PatternList | IfcCurveStyleFontPattern | L[1:?] | A list of curve font pattern entities, that contains the simple patterns used for drawing curves. The patterns are applied in the order they occur in the list. | X |
EXPRESS Specification
ENTITY IfcCurveStyleFont
SUBTYPE OF (IfcPresentationItem);
Name : OPTIONAL IfcLabel;
PatternList : LIST [1:?] OF IfcCurveStyleFontPattern;
END_ENTITY;
原文：https://www.cnblogs.com/herd/p/14214402.html