cdm/src/main/java/ucar/nc2/iosp/LayoutRegularSegmented.java
private long getFilePos(long elem) {
    long segno = elem / innerNelems;
    long offset = elem % innerNelems;
    return startPos + segno * recSize + offset * elemSize;
  }
private long getFilePos(long elem) {
    long segno = elem / innerNelems;
    long offset = elem % innerNelems;
    return startPos + segno * recSize + offset * elemSize;
  }
/////////////////