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Re: [help-gv] default media size

From: Miklos Somogyi
Subject: Re: [help-gv] default media size
Date: Sun, 17 Jun 2007 21:39:25 +1000


This is a a problem that should be non-existent but, unfortunately, it is everywhere.
Once Adobe introduced the

          <</PageSize [ix iy]>> setpagedevice

construct that should have solved the question once and for all (ix, iy are the paper size
in default PS units).

Some ps processing applications don't issue it (e.g. grops, groff's ps processor), some ps viewing applications (direct or through pdf) obey it, some do their own guesswork. During system setup time there could be mixups with printer drivers or ppd files ...

Once I thought that I fixed my groff problems by modifying the prologue that grops prepends to the code generated by groff. It worked like charm with Preview under Panther. Then I upgraded to Tiger. Now Preview puts-up a huge window that covers nearly the whole screen, despite PageSize properly declared. I grew tired of this and gave up.

While still hopeful I produced a paper on `PostScript in groff' at the groff forum, perhaps
it would be of interest to you:

Good luck


On 17/06/2007, at 3:40 AM, Steve Kleene wrote:

My PostScript files made with groff have no information about media size (DocumentMedia or setpagedevice). This is true even if I force "-p letter"
on grops.  I have verified that groff opens /etc/papersize (which says
"letter") but don't see any media size info in the PostScript output.

When I view these PS files with gv, it displays them as A4, but I would prefer letter. I'm guessing gv picks some default media size, which seems to be A4. Is there a way for me to change that default gv uses to letter?

I have found two ways so far to get a letter display:

1. Call "gv -media=LETTER". I'd rather have letter just be the default.

  2. Change the line in /etc/X11/app-defaults/GV from
       GV.pageMedia:           automatic
       GV.pageMedia:           letter
I'm wondering, though, if that wouldn't force letter even on a document
     that declares itself to be something else (e.g. A4).

On an older installation I have, gv just brings up a letter display by
default as far as I can tell.

I'm using these packages from the Debian Etch repository:

  gv 3.6.2-3
  gs-gpl 8.54.dfsg.1-5

These lines may also be relevant:

  In /usr/share/groff/1.18.1/font/devps/DESC
    papersize /etc/papersize a4
  In /etc/papersize


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