@Override
  public void openForWriting(ucar.unidata.io.RandomAccessFile raf, ucar.nc2.NetcdfFile ncfile,
                   ucar.nc2.util.CancelTask cancelTask) throws IOException {
    open(raf, ncfile, cancelTask);
  }
@ Override public void openForWriting ( ucar . unidata . io . RandomAccessFile raf , ucar . nc2 . NetcdfFile ncfile , ucar . nc2 . util . CancelTask cancelTask ) throws IOException { open ( raf , ncfile , cancelTask ) ; }
read existing file