4.0 1.0 nc4_group_atomic.h5 /data/dmrpp/nc4_group_atomic.h5.dmrpp dim1 2 dim1 /dim1 CLASS String DIMENSION_SCALE NAME String dim1 _Netcdf4Dimid Int32 0 d1 /dim1 g1 dim2 3 dim2 /g1/dim2 CLASS String DIMENSION_SCALE NAME String dim2 _Netcdf4Dimid Int32 1 d2 /dim1 /g1/dim2