/// <summary>
 /// Takes either Gaze Data that is processed further to compute fixations or exisiting Fixation Data
 /// </summary>
 /// <param name="gazeData"></param>
 /// <param name="fixationData"></param>
 public static void ProcessFixationData(FixationData fixationData = null, GazeData gazeData = null)
 {
     if (gazeData != null)
     {
         FixationData = IDT.Classify(gazeData);
     }
     if (fixationData != null)
     {
         FixationData = fixationData;
     }
     SendFixationData();
 }