8.9.6.3 IfcBuild2Axes
8.9.6.3.1 Semantic definition
8.9.6.3.2 Formal representation
FUNCTION IfcBuild2Axes
(RefDirection : IfcDirection)
: LIST [2:2] OF IfcDirection;
LOCAL
D : IfcDirection := NVL(IfcNormalise(RefDirection),
IfcRepresentationItem() || IfcGeometricRepresentationItem () || IfcDirection([1.0,0.0]));
END_LOCAL;
RETURN([D, IfcOrthogonalComplement(D)]);
END_FUNCTION;