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From: Shark8 <onewingedshark@gmail.com>
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Subject: Re: Writing PDF files
Date: Mon, 17 Oct 2011 16:00:28 -0700 (PDT)
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Date: 2011-10-17T16:00:28-07:00
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On Oct 17, 5:23=A0pm, Bill Findlay <yaldni...@blueyonder.co.uk> wrote:
> Thanks to everyone who has offered help with this.
>
> KDF9 is a historic British computer from 50 years ago:
>
> =A0 =A0<http://www.findlayw.plus.com/KDF9>
>
> I have written a KDF9 emulator in Ada 2005 that runs on MacOS X, Linux an=
d
> Windows, and am now hoping to complete the set of KDF9 I/O devices it
> supports. =A0At option a Calcomp graph plotter could be fitted in place o=
f a
> tape punch. =A0It interpreted 6-bit commands that directed it to move one=
 step
> left/right and/or back/forward, with the pen raised or lowered. =A0That's=
 it.
>
> All I need is the ability to create a line drawing specified by a series =
of
> such commands, so very basic vector drawing. =A0It would be good if users
> could see the plot immediately on completion, just by opening the plot fi=
le.
>
> PDF would seem to offer this convenience. =A0Thanks for the pointers to o=
ther
> formats that might do the job. =A0I'm not going to plunge into powerful
> graphics frameworks, partly to preserve portability and ease of building,
> and partly because life is too short; but some of the other suggestions
> might meet my needs. =A0Time to put my thinking cap on!
>
> Thanks again.
>
> --
> Bill Findlay
> with blueyonder.co.uk;
> use =A0surname & forename;

A possible "almost" solution would be to output PostScript program, as
it is a text-file*, and pump that through Acrobat Distiller or
equivalent.


* There is a binary format; but even the official documentation
presents it in a rather leery light.