public static GempakGridReader getInstance(RandomAccessFile raf, boolean fullCheck) throws IOException {
    GempakGridReader ggr = new GempakGridReader(raf.getLocation());
    ggr.init(raf, fullCheck);
    return ggr;
  }
public static GempakGridReader getInstance(RandomAccessFile raf, boolean fullCheck) throws IOException {
    GempakGridReader ggr = new GempakGridReader(raf.getLocation());
    ggr.init(raf, fullCheck);
    return ggr;
  }
public static GempakGridReader getInstance ( RandomAccessFile raf , boolean fullCheck ) throws IOException { GempakGridReader ggr = new GempakGridReader ( raf . getLocation ( ) ) ; ggr . init ( raf , fullCheck ) ; return ggr ; }
Initialize the file, read in all the metadata (ala DM_OPEN)

@param raf       RandomAccessFile to read.
@param fullCheck if true, check entire structure
@return A GempakGridReader
@throws IOException problem reading file
Initialize the file read in all the metadata ( ala DM_OPEN )