public void AddDraftMarker(DraftMarkerData draftmarker)
 /* add draft data from jsonReader */
 {
     if (draftMarkerList == null)
     {
         draftMarkerList = new List <DraftMarkerData>();
     }
     draftMarkerList.Add(draftmarker);
 }
 public void AddDraftMarker(DraftMarkerData draftmarker)
 /* add draft data from jsonReader */
 {
     if (draftMarkerList == null)
     {
         draftMarkerList = new List <DraftMarkerData>();
     }
     Debug.Log("Add marker " + draftmarker.markerID);
     draftMarkerList.Add(draftmarker);
 }