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gv failing with more and more pdf files

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  gv failing with more and more pdf files Peter Billam <peter@www.pjb.com.au> - 2012-02-03 10:15 +0000
    Re: gv failing with more and more pdf files ken <ken@spamcop.net> - 2012-02-03 11:19 +0000
      Re: gv failing with more and more pdf files Bob Tennent <BobT@cs.queensu.ca> - 2012-02-03 13:12 +0000
    Re: gv failing with more and more pdf files Helge Blischke <h.blischke@acm.org> - 2012-02-03 13:37 +0100
      Re: gv failing with more and more pdf files Peter Billam <peter@www.pjb.com.au> - 2012-02-03 18:15 +0000
        Re: gv failing with more and more pdf files Peter Billam <peter@www.pjb.com.au> - 2012-02-04 06:13 +0000

#609 — gv failing with more and more pdf files

Greetings, I hope this isn't too off-topic... I find more and
more I'm meeting pdf files that my gv (gv 3.7.1 on debian
squeeze) can't display. For example:
  http://www.peacefulpillhandbook.com/documents/MasterclassExit.pdf
gives me:
 Error: /rangecheckGPL Ghostscript 8.71: Unrecoverable error, exit code 1
  in --.discardtransparencygroup--
but other errors happen too, e.g.
 --nostringval--   %erroreGPL Ghostscript 8.71:
  Unrecoverable error, exit code 1
I'd say that I can't read even half the pdf's that non-linux users
send me. Often ps2txt will get me through, but sometimes not.
What should I do about this ?

Regards,  Peter

-- 
Peter Billam    www.pjb.com.au    www.pjb.com.au/comp/contact.html

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#610

In article <slrnjincui.2ug.peter@box8.pjb.com.au>, peter@www.pjb.com.au 
says...

> I'd say that I can't read even half the pdf's that non-linux users
> send me. Often ps2txt will get me through, but sometimes not.
> What should I do about this ?

Upgarde to a version of Ghostscript less than 5 years old ? Current 
version is 9.04, 9.05 is due for release shortly.


		Ken

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#612

On Fri, 3 Feb 2012 11:19:45 -0000, ken wrote:
 > In article <slrnjincui.2ug.peter@box8.pjb.com.au>, peter@www.pjb.com.au 
 > says...
 >
 >> I'd say that I can't read even half the pdf's that non-linux users
 >> send me. Often ps2txt will get me through, but sometimes not.
 >> What should I do about this ?
 >
 > Upgarde to a version of Ghostscript less than 5 years old ? Current 
 > version is 9.04, 9.05 is due for release shortly.

Not so easy if the distribution doesn't support it. On Centos (RHEL,
SL), the most recent official version is 8.70 and opens the example
cited by the OP just fine.

I'd report a bug to the ghostscript package maintainer; presumably
there's a patch available that Red Hat have applied and Debian haven't.

In the meantime, there are lots of other PDF viewers available on Linux
systems: evince, okular, epdfview, xpdf, mupdf, ... . 

Bob T.

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#611

Peter Billam wrote:

> Greetings, I hope this isn't too off-topic... I find more and
> more I'm meeting pdf files that my gv (gv 3.7.1 on debian
> squeeze) can't display. For example:
>   http://www.peacefulpillhandbook.com/documents/MasterclassExit.pdf
> gives me:
>  Error: /rangecheckGPL Ghostscript 8.71: Unrecoverable error, exit code 1
>   in --.discardtransparencygroup--
> but other errors happen too, e.g.
>  --nostringval--   %erroreGPL Ghostscript 8.71:
>   Unrecoverable error, exit code 1
> I'd say that I can't read even half the pdf's that non-linux users
> send me. Often ps2txt will get me through, but sometimes not.
> What should I do about this ?
> 
> Regards,  Peter
> 

Uncheck the (default) antialias option of GV. It seems that this option is 
not compatible with the transparency handling (checked with gs 9.02).

Still problems with the displayed page size in GV (but gs itself displays 
correctly).

Helge

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#613

Aah - high-quality replies, many thanks!

On 2012-02-03, Helge Blischke <h.blischke@acm.org> wrote:
> Uncheck the (default) antialias option of GV. It seems that this option
> is not compatible with the transparency handling (checked with gs 9.02).
>
Yes, it works :-)  At last I can see the contents.

> Still problems with the displayed page size in GV
> (but gs itself displays correctly).

Ken wrote:
> Upgrade to a version of Ghostscript less than 5 years old
Bob Tennent wrote:
> Not so easy if the distribution doesn't support it. On Centos
> (RHEL, SL), the most recent official version is 8.70 and opens
> the example cited by the OP just fine.

On debian stable I've got gs 8.71

> I'd report a bug to the ghostscript package maintainer; presumably
> there's a patch available that Red Hat have applied and Debian haven't.

I'll see what I can do. They'll probably say upgrade to testing
(gv 3.7.3-1, gv 9.04) which indeed it might be time to do anyway
(except for the awful pulseaudio disaster about which I read so much).

> In the meantime, there are lots of other PDF viewers available
> on Linux systems: evince, okular, epdfview, xpdf, mupdf, ...

I'll check them out.  Thanks again.

Regards,  Peter

-- 
Peter Billam    www.pjb.com.au    www.pjb.com.au/comp/contact.html

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#614

I wrote:
> I'd say that I can't read even half the pdf's that non-linux users
> send me. Often ps2txt will get me through, but sometimes not.

On 2012-02-03, Helge Blischke <h.blischke@acm.org> wrote:
> Uncheck the (default) antialias option of GV. It seems that this option
> is not compatible with the transparency handling (checked with gs 9.02).

On 2012-02-03, I wrote:
> Yes, it works :-)  At last I can see the contents.

It's interesting to compare that with the output of
  ps2txt MasterclassExit.pdf | less
which only mentions the bits about proxies and firewalls etc !
I hope I haven't been missing the crucial bits of too many
other pdf's over the last year or so :-)

Anyway, thanks for your help,
Peter

-- 
Peter Billam    www.pjb.com.au    www.pjb.com.au/comp/contact.html

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