Ed Wiley Nov 6, 2011
--- In guide-user@yahoogroups.com, Bill J Gray <pluto@...> wrote:
>
> Hi Ed,
>
> You're most of the way there...
>
> The thing to do is this. Don't modify the .tdf file at all. Run the
> 'add_loc' program. You need to do this because the actual data file,
> 'wdsweb_summ.txt', has some oddities in the way in which coordinates are
> stored; I wrote 'add_loc' to put the coordinates in a more consistent
> form, understandable to Guide. It also sorts the WDS file in order of
> right ascension. Guide can draw a sorted file _much_ faster than an
> unsorted one. (Most data files are already sorted, but WDS is an oddball
> in many ways.)
>
> After running 'add_loc', you should have a file called 'wds_out.txt'.
> It is this file, with coordinates nicely formatted and sorted, and all
> lines of equal length, that Guide will display. You should be able to
> just fire Guide up and see the data. There is a bit more about all this at
>
> http://www.projectpluto.com/extras.htm#WDS
>
> Since you asked about the grisly innards, though... the reason the
> .tdf looks like this:
>
> > file !:wds\wds_crun.dat
> > file wds_out.txt
> > title wds(current)
>
> ...is because the Guide 9.0 DVDs have a copy of WDS on them, in a
> compressed ("crunched") format. The idea is that Guide, of flavor 8.0
> or 9.0, will look first for wds_out.txt, on the theory that it's apt
> to be more up-to-date than some version from a Guide disk. If it's
> unable to find such an update, then it looks for the 'wds_crun.dat'
> file from the CD or DVD.
>
> -- Bill
>