IfcBoundedCurve

IfcBoundedCurve

Definition from ISO/CD 10303-42:1992: A bounded curve is a curve of finite arc length with identifiable end points.

NOTE Corresponding STEP name: bounded_curve, only the following subtypes have been incorporated into IFC: polyline as IfcPolyline, trimmed_curve as IfcTrimmedCurve, composite_curve as IfcCompositeCurve. Please refer to ISO/IS 10303-42:1994, p.44 for the final definition of the formal standard.

HISTORY New class in IFC Release 1.0

Informal propositions:

A bounded curve has finite arc length.
A bounded curve has a start point and an end point.

EXPRESS specification:

ENTITY IfcBoundedCurve

ABSTRACT SUPERTYPE OF

(ONEOF(IfcCompositeCurve, IfcPolyline, IfcTrimmedCurve))

SUBTYPE OF (

IfcCurve);

END_ENTITY;

References (4):

Name

Type

Referred through

Express-G

IfcCompositeCurve

Entity

Supertype

Entity

Subtype

Entity

Supertype

IfcTrimmedCurve

Entity

Supertype

Inheritance graph

ENTITY IfcBoundedCurve;

ENTITY IfcRepresentationItem;

ENTITY IfcGeometricRepresentationItem;

ENTITY IfcCurve;

DERIVE

Dim

:

IfcDimensionCount := IfcCurveDim(SELF);

ENTITY IfcBoundedCurve;

END_ENTITY;