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Re: [bug-gv] gv fails when navigating back and forth

From: Frank Steiner
Subject: Re: [bug-gv] gv fails when navigating back and forth
Date: Fri, 11 Oct 2019 08:54:55 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Hi Williamn,

William Bader wrote:

Can you post a small file? PgUp works only on files that have
comments like %%Page and that have the prolog separated correctly.

thanks for your explanation. I looked at our ps file and figured out
that ghostscript is the culprit. We send our files through ps2ps
before printing (with the option for a preview with gv, during which
the pgup fails) and this seems to destroy the page stuff.

  echo -e "asfd\fasf\fasdf" |a2ps -o 1.ps
will create a ps file that gv can scroll back and forth. But using
 gs -sDEVICE=ps2write -sOutputFile=2.ps 1.ps
(which is what ps2ps basically does) will make scrolling through pages
fail with 2.ps.

We need ps2ps to make files fit into a certain paper format and I'm
not aware how to do this else, so I guess I'll have to ask the
ghostscrpt people.

So, it's not the fault of gv, just our way of using it after ps2ps.

Thanks for your help!


Dipl.-Inform. Frank Steiner   Web:  http://www.bio.ifi.lmu.de/~steiner/
Lehrstuhl f. Bioinformatik    Mail: http://www.bio.ifi.lmu.de/~steiner/m/
LMU, Amalienstr. 17           Phone: +49 89 2180-4049
80333 Muenchen, Germany       Fax:   +49 89 2180-99-4049
* Rekursion kann man erst verstehen, wenn man Rekursion verstanden hat. *

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