public static SortKey orderByLog(double value, double start, double end) {
    return new SortKey().thenByLog(value, start, end, MAX);
  }
Returns a new sort key where elements with {@code value == start} appear before elements with {@code value == end}
and the log of the entire range is compressed into the maximum allowed number of distinct levels for comparison.
planetiler-core/src/main/java/com/onthegomap/planetiler/util/SortKey.java