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convert this PostScript file to one which works with \includegraphics

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  convert this PostScript file to one which works with \includegraphics helbig@asclothestro.multivax.de (Phillip Helbig (undress to reply)) - 2021-01-26 20:39 +0000
    Re: convert this PostScript file to one which works with \includegraphics Peter Flynn <peter@silmaril.ie> - 2021-01-26 22:33 +0000
    Re: convert this PostScript file to one which works with \includegraphics ken <ken@spamcop.net> - 2021-01-27 07:58 +0000
      Re: convert this PostScript file to one which works with \includegraphics helbig@asclothestro.multivax.de (Phillip Helbig (undress to reply)) - 2021-01-27 08:53 +0000
        Re: convert this PostScript file to one which works with \includegraphics ken <ken@spamcop.net> - 2021-01-27 17:12 +0000
        Re: convert this PostScript file to one which works with \includegraphics Scott Pakin <scott+ctt@pakin.org> - 2021-01-28 14:07 -0700
          Re: convert this PostScript file to one which works with \includegraphics helbig@asclothestro.multivax.de (Phillip Helbig (undress to reply)) - 2021-01-29 12:45 +0000
    Re: convert this PostScript file to one which works with \includegraphics "Jeffrey H. Coffield" <jeffrey@digitalsynergyinc.com> - 2021-01-27 11:53 -0800
    Re: convert this PostScript file to one which works with \includegraphics Dr Eberhard W Lisse <nospam@lisse.NA> - 2021-01-30 16:15 +0200
      Re: convert this PostScript file to one which works with \includegraphics helbig@asclothestro.multivax.de (Phillip Helbig (undress to reply)) - 2021-01-30 20:28 +0000
        Re: convert this PostScript file to one which works with \includegraphics Dr Eberhard W Lisse <nospam@lisse.NA> - 2021-01-31 16:07 +0200

#3614 — convert this PostScript file to one which works with \includegraphics

Although not always elegant, I've always managed, with some combination 
of LaTeX, \includegraphics, and PostScript commands, to get the 
PostScript files I want included where and at the size I want them.

The file below was created from a PDF file via ghostscript.  In itself, 
it is fine; ghostscript and gv show it as it should be.  However, when I 
try to include it, when viewed on the screen it flashes briefly into 
view before disappearing.

Is it not encapsulated PostScript?  If that is the problem, can 
ghostscript create such a file from a PDF file.  Or is there some other 
problem?

Presumably one could use some arguments to \includegraphics and/or edit 
the PostSCript file (included below; it's not large) to make it work.

Any help would be appreciated, as would an explanation of why it works, 
so that I can learn something.

For various reasons, I don't want to use pdflatex.

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#3615

On 26/01/2021 20:39, Phillip Helbig (undress to reply) wrote:
> Although not always elegant, I've always managed, with some combination
> of LaTeX, \includegraphics, and PostScript commands, to get the
> PostScript files I want included where and at the size I want them.
> 
> The file below was created from a PDF file via ghostscript.  In itself,
> it is fine; ghostscript and gv show it as it should be.  However, when I
> try to include it, when viewed on the screen it flashes briefly into
> view before disappearing.
> 
> Is it not encapsulated PostScript?  If that is the problem, can
> ghostscript create such a file from a PDF file.  Or is there some other
> problem?

I think you need to remove the showpage command at the end. I seem to 
remember that hat's what makes it display in a stand-alone viewer, and 
it shouldn't be in an EPS file. But my memoery isn't what it was, and 
nor's my Postscript :-)

Peter

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#3616

In article <rupulf$11ao$1@gioia.aioe.org>, 
helbig@asclothestro.multivax.de says...

> Is it not encapsulated PostScript? 

No, it is not. It isn't an EPS file it's a straight-forward PostScript 
program.


> If that is the problem, can 
> ghostscript create such a file from a PDF file.

The version of Ghostscript you are using (9.02), no. There are any 
number of problems with what you are doing there, not least the poor 
quality of output of the pswrite device. Also (as Peter Flynn point out) 
the program includes a showpage which is not legal in an EPS program 
(which this isn't) and causes the page to be flushed leading to your 
problem.

My advice would be to upgrade to a recent version of Ghostscript (9.02 
is fast approaching it's 10th birthday) and use the eps2write device to 
create an EPS file from the PDF instead of the (deprecated and now 
removed) pswrite device.

That will produce a better quality PostScript output, and it will be an 
EPS file.


				Ken

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#3617

In article <MPG.3a7b2d8488376b989898c2@usenet.plus.net>, ken
<ken@spamcop.net> writes: 

> > Is it not encapsulated PostScript? 
> 
> No, it is not. It isn't an EPS file it's a straight-forward PostScript 
> program.
> 
> > If that is the problem, can 
> > ghostscript create such a file from a PDF file.
> 
> The version of Ghostscript you are using (9.02), no. There are any 
> number of problems with what you are doing there, not least the poor 
> quality of output of the pswrite device. Also (as Peter Flynn point out) 
> the program includes a showpage which is not legal in an EPS program 
> (which this isn't) and causes the page to be flushed leading to your 
> problem.
> 
> My advice would be to upgrade to a recent version of Ghostscript (9.02 
> is fast approaching it's 10th birthday) and use the eps2write device to 
> create an EPS file from the PDF instead of the (deprecated and now 
> removed) pswrite device.
> 
> That will produce a better quality PostScript output, and it will be an 
> EPS file.

I definitely plan to upgrade, probably before summer, but unfortunately 
don't have the time now.

If someone can email me (how to remove the spam block should be 
obvious), I can send you a PDF file and you can send me a PostScript 
file back.

I admit that I don't fully understand when showpage is needed and when 
not.  Certainly \includegraphics does display some PostScript files with 
the showpage command.

Or is there some online converter which would do what I want?

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#3618

In article <rur9m2$jlb$1@gioia.aioe.org>, 
helbig@asclothestro.multivax.de says...

> I admit that I don't fully understand when showpage is needed and when 
> not.  Certainly \includegraphics does display some PostScript files with 
> the showpage command.

showpage 'shows' the page, transfers the accumulated marking operations 
to the output device and erases the canvas ready for the next page.

It is possible in PostScript to define a 'showpage' procedure (and any 
other operator) which will be used instead of the built-in operator, if 
the lookup is managed properly.

/showpage {} bind def

defines a function called showpage in the current dictionary which does 
nothing. As long as this dictionary is ahead of systemdict on the 
dictionary stack, then that's the definition of showpage which will be 
used. It's not an uncommon approach.

In your case, simply remove the line with 'showpage' in it from the 
output PostScript file. It will still be a crappy level 1 PostScript 
program, but it at least won't reset the page for you.

Provided you are placing it within another PostScript program (which is 
what EPS files are for) then the enclosing program's showpage will show 
the accumulated operations.

			Ken

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#3620

On 1/27/21 1:53 AM, Phillip Helbig (undress to reply) wrote:
> I definitely plan to upgrade, probably before summer, but unfortunately
> don't have the time now.
> 
> If someone can email me (how to remove the spam block should be
> obvious), I can send you a PDF file and you can send me a PostScript
> file back.

Just to show off, here's a version of your file as run through my 
purifyeps script (https://www.ctan.org/tex-archive/support/purifyeps). 
This image can be included by both latex+dvips *and* pdflatex.  (See 
purifyeps.pdf for the magic incantation needed to convince pdflatex that 
it can load an EPS file.)

-- Scott

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%%EOF

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#3621

In article <63cd87bf-2f6f-e4b4-9f45-e46368c1d109@pakin.org>, Scott Pakin <scott+ctt@pakin.org> writes:
> On 1/27/21 1:53 AM, Phillip Helbig (undress to reply) wrote:
> > I definitely plan to upgrade, probably before summer, but unfortunately
> > don't have the time now.
> > 
> > If someone can email me (how to remove the spam block should be
> > obvious), I can send you a PDF file and you can send me a PostScript
> > file back.
> 
> Just to show off, here's a version of your file as run through my 
> purifyeps script (https://www.ctan.org/tex-archive/support/purifyeps). 
> This image can be included by both latex+dvips *and* pdflatex.  (See 
> purifyeps.pdf for the magic incantation needed to convince pdflatex that 
> it can load an EPS file.)

Thanks.  I ran my PDF file through an online converter, which allegedly 
converts to EPS.  After removing the showpage command, it works, but it 
appears that the bounding box is incorrect.  Maybe your version is 
better; I'll check.

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#3619

On 01/26/2021 12:39 PM, Phillip Helbig (undress to reply) wrote:
> Although not always elegant, I've always managed, with some combination
> of LaTeX, \includegraphics, and PostScript commands, to get the
> PostScript files I want included where and at the size I want them.
>
> The file below was created from a PDF file via ghostscript.  In itself,
> it is fine; ghostscript and gv show it as it should be.  However, when I
> try to include it, when viewed on the screen it flashes briefly into
> view before disappearing.
>
> Is it not encapsulated PostScript?  If that is the problem, can
> ghostscript create such a file from a PDF file.  Or is there some other
> problem?
>
> Presumably one could use some arguments to \includegraphics and/or edit
> the PostSCript file (included below; it's not large) to make it work.
>
> Any help would be appreciated, as would an explanation of why it works,
> so that I can learn something.
>
> For various reasons, I don't want to use pdflatex.
>

I use the following code in PostScript documents that are going to 
include eps files:

----------------------------------
/BeginEPSF      {
         /b4_Inc_state save def
         /dict_count countdictstack def
         /op_count count 1 sub def
         userdict begin
         /showpage {} def
         0 setgray 0 setlinecap 1 setlinewidth 0 setlinejoin
         10 setmiterlimit [] 0 setdash newpath
         /languagelevel where
         { pop languagelevel 1 ne
                 { false setstrokeadjust false setoverprint } if
         } if
} bind def

/EndEPSF        {
         count op_count sub {pop} repeat
         countdictstack dict_count sub {end} repeat
         b4_Inc_state restore
} bind def

---------------------------------

and then use something like the following to place the eps where I want it:

BeginEPSF 100 100 translate .5 .5 scale (simple.eps) run EndEPSF

This also allows the eps to be used in a cached PostScript form which 
speeds up printing and reduces file size such as a complex logo that is 
on hundreds of pages.

Jeff Coffield
www.digitalsynergyinc.com

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#3622

If it was a PDF, whi not include the PDF in the first place?

el
On 2021-01-26 22:39 , Phillip Helbig (undress to reply) wrote:
[...]
> The file below was created from a PDF file via ghostscript.  In itself, 
> it is fine; ghostscript and gv show it as it should be.  However, when I 
> try to include it, when viewed on the screen it flashes briefly into 
> view before disappearing.
> 
[...]

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#3623

In article <i7l80lFjr52U2@mid.individual.net>, Dr Eberhard W Lisse
<nospam@lisse.NA> writes: 

> If it was a PDF, whi not include the PDF in the first place?

Because there are many PostScript files to be included.  So convert one 
PDF to PostScript, or several PostScript to PDF.

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#3624

I still don't get it.

The file was generated from a PDF. So include that one as PDF

If there are many PS files which are generated from PDF include
many PDFs.

If there are PS generated from other means, include them as PS.

I handle 'many files' by way of a Makefile, which works on Linux and
the Mac (and I am sure on Windoze (and VMS :-)-O))

el

On 2021-01-30 22:28 , Phillip Helbig (undress to reply) wrote:
> In article <i7l80lFjr52U2@mid.individual.net>, Dr Eberhard W Lisse
> <nospam@lisse.NA> writes: 
> 
>> If it was a PDF, whi not include the PDF in the first place?
> 
> Because there are many PostScript files to be included.  So convert one 
> PDF to PostScript, or several PostScript to PDF.

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