[time-nuts] HPGL and SVG (was Re: lawnmower robots may be the end of VLF timekeeping)

Poul-Henning Kamp phk at phk.freebsd.dk
Mon May 11 17:14:10 UTC 2015


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In message <CAJ_qRvafz6DniHtTST7_-FAG_Q0G2vDmF5e3jdvsOpWm_90eAg at mail.gmail.com>
, Tim Shoppa writes:

>I love Poul-Henning's SVG scope plots. [...]
>I wonder if he actually uses a piece of HP equipment and
>then converts the output from HPGL to SVG?

The HP8568 was dumped using my "Pylt' code

	https://github.com/bsdphk/pylt

Which reads the display memory over HPIB and spits out SVG from it.

The TDS504 I "cheated" and dumped EPS over HPIB and used a random
web-service to convert to SVG.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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