code: private void readUncompressedFPRowByNumber( ByteBuffer rowdata, int rn, RandomAccessFile thefile, int typeBytes )
              throws IOException, DataFormatException {
          int datanumber = fileWindow.getCols() * typeBytes;
          thefile.seek((rn * datanumber));
  
          thefile.read(rowdata.array());
      }
docs: read a row of data from an uncompressed floating point map
  
  @param rn
  @param outFile
  @param typeBytes
  @return the ByteBuffer containing the data
  @throws IOException
  @throws DataFormatException