/// <summary>
 /// 
 /// </summary>
 /// <param name="rayEnv"></param>
 /// <param name="mcSelecter"></param>
 /// <param name="mc"></param>
 private static void TestMonotoneChain(IEnvelope rayEnv, MonotoneChainSelectAction mcSelecter, MonotoneChain mc)
 {
     mc.Select(rayEnv, mcSelecter);
 }