Simple Data Format - A Platform Independent Data Format that works in Fortran, C, and IDL

Details Simple Data Format - A Platform Independent Data Format that works in Fortran, C, and IDL Simple Data Format - A Platform Independent Data Format that works in Fortran, C, and IDL

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spd....37.0302f&link_type=abstract

American Astronomical Society, SPD meeting #37, #3.02; Bulletin of the American Astronomical Society, Vol. 38, p.222

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Scientific paper

Saving the output from large-scale numerical simulations, especially big, multi-dimensional arrays, in a form that can be easily post-processed and analyzed on many different computing platforms has been a challenge for decades.Here, I describe one possible solution for this problem, "Simple Data Format" (SDF), and an implementation of this format that works in Fortran, C, and IDL. At the present time, the file format and software has been demonstrated to work for all 3 languages in Linux on x86 and x86_64 architectures, in Windows XP (x86), in Solaris, and in Mac OSX (G4,G5 architectures). SDF data files can be passed from one architecture to another transparently.SDF was designed specifically to allow a clean replacement of unformatted and direct access I/O in Fortran 77 or Fortran 90/95 programs with simple subroutine calls, and to accomodate "large" (over 2GB) file sizes on all platforms.Specific examples of how to read, write, and edit SDF files in all 3 languages will be shown.This work was partially supported by the DoD MURI award "Understanding Magnetic Eruptions on the Sun and their Interplanetary Consequences", and by the NASA SECT award "Understanding the Dynamic Coupling Between the Solar Interior and the Solar Atmosphere".

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