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Making the Figaro Data Reduction System Portable

  • K. Shortridge (a1), S. J. Meatheringham (a2), B. D. Carter (a3) and M. C. B. Ashley (a3)

Abstract

The Figaro data reduction system was originally written for DEC VAXes running VMS, and little attention was paid to making it portable. Recently, however, a cooperative effort between the AAO, MSSSO, UNSW, the UK Starlink network and Caltech has resulted in a version for UNIX. This new version has been run under VMS and three different versions of UNIX. The files produced by any version may be read directly by any other version, although Figaro has a particularly complex file format which contains an extensible, self-defining, hierarchical structure of data items. This complexity has allowed the addition of error and quality data, as well as specific structures used, for example, for echelle data. Figaro is written mainly in Fortran (with numerous DEC extensions) but there is also a significant use of C. While C and Fortran are reasonably portable, the way one is called from the other is less portable and needs careful handling. Ports to other systems are possible, with effort; a Macintosh version is being considered.

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Copyright

References

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Shortridge, K. 1993, in Astronomical Data Analysis Software and Systems II, ed. Hanisch, R. J., Brissenden, R. J. V. & Barnes, J., ASP Conf. Ser., 52, 219

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