====== field2hdf5 ======

convert a binary flowfield to [[http://www.hdfgroup.org/HDF5/|HDF5]] file format.

====== options ======
<code>
  -p           --padding               save full Nx x Ny x Nz grid rather eliminating padding
  <fieldname>  (trailing arg 2)        flowfield input file
  <hdf5file>   (trailing arg 1)        hdf5 output file
</code>

====== usage ======
<code>
   field2hdf5 u.ff u.h5
</code>
You can drop the file extensions if you like.

====== HDF5 format ======

The HDF5 file contains
  * the components of the field in the group /data
  * the values of Nx, Ny, Nz, Lx, a, and b as attributes of the root group
  * the gridpoint coordinates x,y,z in the group /geom