/// <summary>
/// Add a plane surface defined by one or more curve loops (or closed wires)
/// `wireTags'. The first curve loop defines the exterior contour; additional
/// curve loop define holes. If `tag' is positive, set the tag explicitly;
/// otherwise a new tag is selected automatically. Return the tag of the
/// surface.
/// </summary>
public int AddPlaneSurface(IEnumerable <int> wireTags, int tag = -1)
{
var api = GMshNativeMethods.gmshModelOccAddPlaneSurface(wireTags.ToArray(), wireTags.Count().ToUint(), tag, ref ierr);
if (ierr != 0)
{
throw new GMshException(ierr);
}
return(api);
}