/// <summary>
/// Returns all the trim loops of the face as list of a list of curves
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
public static List <List <ICurve> > GetTrimLoops(this IFace2 face)
{
return(face
.GetLoops()
.CastArray <ILoop2>()
.OrderBy(l => l.IsOuter() ? 0 : 1)
.Select(l => l.GetEdges().CastArray <IEdge>().Select(e => (ICurve)e.GetCurve()))
.Select(curves => curves.Select(c => (ICurve)c.Copy()).ToList())
.ToList());
}
/// <summary>
/// 获取面上所有环
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
public static IEnumerable <ILoop2> GetLoopsEx(this IFace2 face)
{
return((face.GetLoops() as object[]).Cast <ILoop2>());
}