Re: HDF5 bitfields...

You may also wish to refer to the H5 user's guide,

  http://hdf.ncsa.uiuc.edu/HDF5/doc/UG/

and there is a tutorial program at:
http://hdf.ncsa.uiuc.edu/training/other-ex5/sample-programs/StringOpaque.html 

--
Robert E. McGrath  (HDF Java Team Leader)
National Center for Supercomputing Applications
University of Illinois, Urbana-Champaign
Champaign, Illinois 61820
(217)-333-6549

mcgrath@xxxxxxxxxxxxx