Simple Data format
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Revision as of 19:43, 6 November 2012
| File Formats | > | Electronic File Formats | > | Scientific Data formats | > | SDF | > | Simple Data format |
Contents |
General description
This page describes one of several known SDF file formats. This is the Simple Data Format by George H Fisher, Space Sciences Lab, UC Berkeley. It provides a simple "way of reading and writing output data from numerical simulations that preserves full precision, is simple, easy to use, that supports large (> 2GB) files, works in C, Fortran77, Fortran95, and IDL/GDL, compiles out of the box in the most common operating systems (Linux, Windows, OS X, Solaris), and is not affected by platform endian-ness".
The format is described in the Manifesto. That document and http://swan.gsfc.nasa.gov/RoR_WWW/workshops/2007/presentations/day4/fisher-sdf-ccmc-2007.pdf seem to provide its main specification.
Version 0.74 (the latest known) dates from September 2007.
Other information
There is a Wikipedia page about this version of the Simple Data Format but it has very little information.
Software
SDF has been tested on many different platforms including Linux and other UNIX variants, Windows and MacOSX. It can be used from C, different versions of FORTAN, and IDL. The software can be downloaded as a tarball from http://solarmuri.ssl.berkeley.edu/~fisher/public/software/SDF.
Sample files
Not Known.
Identification
Bytes 0-10 of a SDF file contain the string "SDF Format" including null terminator.
The file extension is .sdf and the MIME Type is not known.
References
As noted, the format is described inthe Manifesto at http://solarmuri.ssl.berkeley.edu/~fisher/public/software/SDF/SDF_MANIFESTO.txt.
