[SciPy-user] HDF5 vs FITS

Robert Kern robert.kern@gmail....
Fri Apr 20 18:34:06 CDT 2007

Anne Archibald wrote:
> On 20/04/07, Perry Greenfield <perry@stsci.edu> wrote:
>> I think that is a bit too broadly posed to answer in any simple way
>> (if you are wondering how HDF and FITS compare). Speed? Flexibility?
>> Etc. FITS is generally much less flexible. However, it is archival.
>> Something that HDF has a harder time claiming. And it is very well
>> entrenched in astronomy.
> FITS has certain limitations, which people seem to work their way
> around in different ways. For example, RXTE data processing produces
> FITS files which generally use a sui generis data description language
> to describe the layout of bitfields in its tables. Is there a nice
> page summarizing the capabilities of HDF5, for comparison?

This one is pretty good.


It links to this paper which goes more in depth, but is still an overview of the
capabilities (rather than documentation about how to use the libraries).


Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco

More information about the SciPy-user mailing list