@Override
public void getCoordinate(int index, Coordinate coord) {
Point point = get(index);
coord.x = point.get0();
coord.y = point.get1();
coord.z = point.get2();
}
@Override
public Coordinate getCoordinateCopy(int index) {
Point point = get(index);
return new Coordinate(point.get0(), point.get1(), point.get2());
}