Defined in File Ifc4.h
IfcBoundaryCurve: public Ifc4::IfcCompositeCurveOnSurface¶
Definition from ISO/CD 10303-42:1992 A boundary curve is a type of bounded curve suitable for the definition of a surface boundary.
NOTE Corresponding ISO 10303 entity: boundary_curve. Please refer to ISO/IS 10303-42:1994, p.89 for the final definition of the formal standard.
HISTORY New entity in IFC2x4.
Subclassed by Ifc4::IfcOuterBoundaryCurve