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Re: pic diagram on arbitrarily large page


From: Robert Goulding
Subject: Re: pic diagram on arbitrarily large page
Date: Fri, 24 Jun 2022 19:42:42 -0400

Thanks very much, everyone! I'll give that a go.

Robert Goulding
Sent from my phone

On Fri, Jun 24, 2022, 7:18 PM Deri <deri@chuzzlewit.myzen.co.uk> wrote:

> On Friday, 24 June 2022 16:35:55 BST Robert Goulding wrote:
> > I am trying to draw a huge diagram with pic - a chart with lots of boxes
> > and arrows, and pic is a good tool for it. How do I get beyond the
> > constraints of the paper size? I want to be able to keep extending the
> > chart vertically and horizontally to an arbitrary extent. As it is, I
> have
> > already run out of space, and new boxes do not appear on the chart (or
> > appear in the wrong place).
> >
> > R.
>
> This seems to work:-
>
> .sp 2i
> .PS 18i 5i
> for j=1 to 18 do
> !
> ellipse "Deri";
> arrow;
> !
> .PE
>
> And run it with this:-
>
> groff -Tpdf -p -P-p5i,20i pic.trf > pic.pdf
>
> The two numbers after .PS are wildth and height, and after -P-p are length
> and
> width of the papersize.
>
> If I run pic on its own against the pic.trf file, the .PS line is changed
> to:-
>
> .PS 0.400i 18.000i 18i 5i
>
> I think the first two numbers are now the actual dimensions of the picture
> created. I hope this helps.
>
> Cheers
>
> Deri
>
>
>
>


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