IFC (IFC4X3) development IfcCurveStyleFontPattern Semantic definition Entity inheritance Attributes

# Attribute Type Description
IfcCurveStyleFontPattern (2)
1 VisibleSegmentLength IfcLengthMeasure

The length of the visible segment in the pattern definition.

2 InvisibleSegmentLength IfcPositiveLengthMeasure

The length of the invisible segment in the pattern definition.

Table Formal propositions

Name Description

The value of a visible pattern length shall be equal or greater then zero.

VisibleSegmentLength >= 0.
Table Formal representation

ENTITY IfcCurveStyleFontPattern
 SUBTYPE OF (IfcPresentationItem);
	VisibleSegmentLength : IfcLengthMeasure;
	InvisibleSegmentLength : IfcPositiveLengthMeasure;
	VisibleLengthGreaterEqualZero : VisibleSegmentLength >= 0.;
END_ENTITY; References

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  • where rule, VisibleLengthGreaterEqualZero
  • where rule, WR01