8.12.3.8 IfcCurveStyleFontPattern(曲线样式字体图案)
RV ⓘ
AbV ⓘ
8.12.3.8.1 语义定义(Semantic definition)
8.12.3.8.2 实体继承(Entity inheritance)
-
- IfcCurveStyleFontPattern
- IfcColourRgbList
- IfcColourSpecification
- IfcCurveStyleFont
- IfcCurveStyleFontAndScaling
- IfcIndexedColourMap
- IfcPreDefinedItem
- IfcSurfaceStyleLighting
- IfcSurfaceStyleRefraction
- IfcSurfaceStyleShading
- IfcSurfaceStyleWithTextures
- IfcSurfaceTexture
- IfcTextStyleForDefinedFont
- IfcTextStyleTextModel
- IfcTextureCoordinate
- IfcTextureVertex
- IfcTextureVertexList
8.12.3.8.3 特性(Attributes)
| # | 特性(Attributes) | 类型 | 描述 |
|---|---|---|---|
| IfcCurveStyleFontPattern (2) | |||
| 1 | VisibleSegmentLength | IfcLengthMeasure |
图案定义中可见线段的长度。 |
| 2 | InvisibleSegmentLength | IfcPositiveLengthMeasure |
图案定义中不可见线段的长度。 |
8.12.3.8.4 形式化命题(Formal propositions)
8.12.3.8.5 形式化表示(Formal representation)
ENTITY IfcCurveStyleFontPattern
SUBTYPE OF (IfcPresentationItem);
VisibleSegmentLength : IfcLengthMeasure;
InvisibleSegmentLength : IfcPositiveLengthMeasure;
WHERE
VisibleLengthGreaterEqualZero : VisibleSegmentLength >= 0.;
END_ENTITY;