[Spice_announce] N54 release

Lee Elson lee.elson at jpl.nasa.gov
Thu Dec 19 14:33:55 PST 2002


Version N54 of the toolkit is now available. Here is a description of 
the changes.

> Version 54 --- December 2002
> ===========================================================================
>  
>  
> Mailing Lists
> --------------------------------------------------------
>  
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>  
>         http://naif.jpl.nasa.gov/mailman/listinfo/spice_announce
>  
>      and ``Spice_discussion''
>  
>         http://naif.jpl.nasa.gov/mailman/listinfo/spice_discussion
>  
>      ``Spice_announce'' is intended to provide notification of important
>      developments such as a new toolkit release. Posting will generally be
>      limited to members of the NAIF team. If you feel you have an important
>      announcement that would be suitable for this list, you may send email
>      to the list, but it will be reviewed by the NAIF team before
>      dissemination.
>  
>      ``Spice_discussion'' is meant to provide a forum for discussion among
>      SPICE users. Posting on this list is encouraged, however we also
>      encourage you to limit mail traffic to the entire list. Extended
>      discussions are often best carried out with a limited distribution
>      list.
>  
>      Both lists require registration, allow access to an archive of prior
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>  
>  
> Environments
> --------------------------------------------------------
>  
>      The N0054 version of the SPICE Toolkit is supported on the same
>      environments as version N0053.
>  
>  
> COOKBOOK Programs
> --------------------------------------------------------
>  
>      FORTRAN and C versions of the COOKBOOK programs have been made more
>      consistent in implementation and behavior. User's Guide documents for
>      COOKBOOK programs have been updated and are now delivered with both
>      FORTRAN and C toolkits. The FSTSPK COOKBOOK program has been
>      deprecated and is no longer delivered.
>  
>  
> New Built-in NAIF ID Code/Name Definitions
> --------------------------------------------------------
>  
>      The following new built-in NAIF ID code/name definitions have been
>      added to the toolkit:
>  
>         Spacecraft:
>  
>                -226     ROSETTA
>  
>         Jovian satellites:
>  
>                 517     CALLIRRHOE
>                 518     THEMISTO
>                 519     MAGACLITE
>                 520     TAYGETE
>                 521     CHALDENE
>                 522     HARPALYKE
>                 523     KALYKE
>                 524     IOCASTE
>                 525     ERINOME
>                 526     ISONOE
>                 527     PRAXIDIKE
>  
>  
> Documentation
> --------------------------------------------------------
>  
>      User's Guide documents for TOBIN, TOXFR and VERSION utility programs
>      have been added to the toolkit documentation.
>  
>  
> Bug Fixes
> --------------------------------------------------------
>  
>  
> Built-in Body-Fixed Frame for Pan
>  
>      Definition of the built-in body-fixed frame for PAN (IAU_PAN) has been
>      updated to point to the correct PCK values used to compute its
>      rotation. In the previous version of the toolkit it was pointing to
>      PANDORA's rotation constants.
>  
>  
> Surface Intercept Routine
>  
>      The surface intercept routine SURFPT/surfpt_c has been re-implemented
>      to reduce loss of precision.
>  
>  
> DAS Writer Routines
>  
>      DAS utility routine DASCUD has been fixed to ensure that DAS file
>      structure is correct when files are closed without data segregation.
>      Previously it was possible for unsegregated files to have an invalid
>      final forward directory pointer. Note: this problem could not occur in
>      E-kernels created by SPICE utility programs or using the SPICE EK API
>      routines.
>  
>  
> CSPICE Cell Implementation
>  
>      The CELLINIT macro has been updated so that it doesn't modify data
>      added to character cells prior to cell initialization. This enables
>      population of uninitialized character cells via macro calls.
>  
>  
> Body Name to Associated Frame Conversion Routine
>  
>      The routine CNMFRM retrieving the reference frame name for a specified
>      body name has been fixed so a TK frame specified by name and
>      designated as an object's preferred frame via kernel pool assignments
>      is found, and so that the correct name of this frame is returned.
>  
>  
> CHRONOS
>  
>      CHRONOS has been updated to make sure that the iterative search for
>      the nearest local midnight converges in all cases. It has also been
>      updated to use the maximum system allowed file name length on VAX and
>      DEC Alpha environments.





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