// deserialize the Grib1Record object
private Grib1Record readRecord(Grib1IndexProto.Grib1Record p) {
Grib1SectionIndicator is =
new Grib1SectionIndicator(p.getGribMessageStart(), p.getGribMessageLength());
Grib1SectionProductDefinition pds = new Grib1SectionProductDefinition(p.getPds().toByteArray());
Grib1SectionGridDefinition gds =
pds.gdsExists() ? gdsList.get(p.getGdsIdx()) : new Grib1SectionGridDefinition(pds);
Grib1SectionBitMap bms = pds.bmsExists() ? new Grib1SectionBitMap(p.getBmsPos()) : null;
Grib1SectionBinaryData dataSection = new Grib1SectionBinaryData(p.getDataPos(), p.getDataLen());
return new Grib1Record(p.getHeader().toByteArray(), is, gds, pds, bms, dataSection);
}
