The IfcPreferredSurfaceCurveRepresentation indicates the preferred form of an edge curve representation.
{ .extDef}
NOTE Definition according to ISO/CD 10303-42:1992 The preferred surface curve representation type is used to indicate the preferred form of representation for a surface curve, which is either a curve in geometric space or in the parametric space of the underlying surfaces.
NOTE Type adapted from preferred_surface_curve_representation defined in ISO 10303-42.
HISTORY New type in IFC4 Addendum 2.
The curve in three-dimensional space is preferred
The first pcurve is preferred
The second pcurve is preferred