posFixer.SetSubShape( idType.first );
posFixer.CheckNodeU( TopoDS::Edge( posFixer.GetSubShape() ),
nodes[i-1], dummyU=0., tol, /*force=*/true );
posFixer.SetSubShape( idType.first );
posFixer.CheckNodeU( TopoDS::Edge( posFixer.GetSubShape() ),
nodes[i-1], dummyU=0., tol, /*force=*/true );