@Override
  public double getOrdinate(int index, int ordinateIndex) {
    return points.get(index * components + ordinateIndex);
  }
A mutable {@link CoordinateSequence} that grows to fit new elements when {@code set*} methods are called.
planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/CoordinateSequenceBuilder.java