protected List<Position> asPositionList(LatLon... locations){
  List<Position> positions=new ArrayList<Position>(locations.length);
  for (  LatLon loc : locations) {
    positions.add(new Position(loc,0));
  }
  return positions;
}

protected List < Position > asPositionList ( LatLon ... locations ) { List < Position > positions = new ArrayList < Position > ( locations . length ) ; for ( LatLon loc : locations ) { positions . add ( new Position ( loc , 0 ) ) ; } return positions ; }
convert a list of latlon to a list of positions at zero elevation .
