os.write( ( const char* )sizes, 3 * sizeof( double ) );
os.write( ( const char* )&type, sizeof( kVolume::Type ) );
os.write( ( const char* )&dSize, sizeof( ulong ) );
os.write( ( const char* )sizes, 3 * sizeof( double ) );
os.write( ( const char* )&type, sizeof( kVolume::Type ) );
os.write( ( const char* )&dSize, sizeof( ulong ) );