/// <summary>
/// Add a surface loop (a closed shell) formed by `surfaceTags'. If `tag' is
/// positive, set the tag explicitly; otherwise a new tag is selected
/// automatically. Return the tag of the surface loop. Setting `sewing' allows
/// to build a shell made of surfaces that share geometrically identical (but
/// topologically different) curves.
/// </summary>
public int AddSurfaceLoop(IEnumerable <int> surfaceTags, int tag = -1, bool sewing = false)
{
var api = GMshNativeMethods.gmshModelOccAddSurfaceLoop(surfaceTags.ToArray(), surfaceTags.Count().ToUint(), tag, sewing.Toint(), ref ierr);
if (ierr != 0)
{
throw new GMshException(ierr);
}
return(api);
}
