[TUHS] Floppy to modern files for Usenet maps
henry.r.bent at gmail.com
Wed Jul 10 05:19:05 AEST 2019
On Tue, 9 Jul 2019 at 13:34, Henry Bent <henry.r.bent at gmail.com> wrote:
> On Tue, 9 Jul 2019 at 13:26, Seth Morabito <web at loomcom.com> wrote:
>> On Tue, Jul 9, 2019, at 10:13 AM, Henry Bent wrote:
>> > On Tue, 9 Jul 2019 at 12:28, Mary Ann Horton Gmail <mah at mhorton.net>
>> >> Does anyone have anything put together that can easily do the "leroy"
>> >> thing described here:
>> >> http://www.stargatemuseum.org/maps/032383.GRF.txt
>> >> and produce the graphical map it contains?
>> >> Mary Ann
>> > I got as far as compiling leroy on 4.1C BSD and feeding the attached
>> files through it.
>> I'm impressed that you were able to find leroy! I just did about fifteen
>> minutes of searching online and was unable to find it. If you wouldn't
>> mind, could you share it with us? I'd enjoy playing with it.
> It's on the 1981 Usenix tape, in the ucol directory:
> It looks like leroy produces output for an "extended" form of plot; from
> the docs:
> The plot stream leroy emits is intended for, and must
> be directed to, an extended UNIX plot filter. These filters
> recognize a number of commands not included in the vanilla
> seventh edition filters, mostly dealing with the Hershey
> fonts. The extended plot filters are upward compatible with
> their predecessors and have been implemented in a fashion
> which makes tailoring new devices filters very straightfor-
> ward. The source code is available on request. Filters
> currently exist for the Tektronix 4014, the Versatec, the
> HP7221A, and the Qume.
I realized that UCol was using a PDP-11, not a VAX, so I switched to
running things under Ultrix 3.1. Using the extended plot libraries that
UCol provided on the usenix tape, I was able to get Tektronix 4014 output
which I was able to run through a modern tek2plot. Here are links to the
raw plot file and an SVG, which I think is most useful for this sort of
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