NOTE Definition according to ISO/CD 10303-46:1992
A curve style font pattern is a pair of visible and invisible curve segment length measures in presentation area units.
NOTE Corresponding ISO 10303 name: curve_style_font_pattern. Please refer to ISO/IS 10303-46:1994 for the final definition of the formal standard.
HISTORY New entity in IFC2x2.
|1||VisibleSegmentLength||IfcLengthMeasure||The length of the visible segment in the pattern definition.|
> NOTE For a visible segment representing a point, the value 0. should be assigned.
> IFC2x3 CHANGE The datatype has been changed to IfcLengthMeasure with upward compatibility for file-based exchange.
|2||InvisibleSegmentLength||IfcPositiveLengthMeasure||The length of the invisible segment in the pattern definition.|
ENTITY IfcCurveStyleFontPattern SUBTYPE OF (IfcPresentationItem); VisibleSegmentLength : IfcLengthMeasure; InvisibleSegmentLength : IfcPositiveLengthMeasure; WHERE VisibleLengthGreaterEqualZero : VisibleSegmentLength >= 0.; END_ENTITY;