legacy/src/main/java/ucar/nc2/ft/point/RecordDatasetHelper.java
public PointFeature factory(StationImpl s, StructureData sdata, int recno) {
    if (s == null)
      return new RecordPointObs(sdata, recno);
    else
      return new RecordStationObs(s, sdata, recno);
  }
public PointFeature factory(StationImpl s, StructureData sdata, int recno) {
    if (s == null)
      return new RecordPointObs(sdata, recno);
    else
      return new RecordStationObs(s, sdata, recno);
  }
////////////////////////////////////////////////////////////////////////////////////