[softwarelist] Re: Quercus, PDF problems

  • From: John Cartmell <john@xxxxxxxxxxxxxxxxxxxx>
  • To: davidpilling@xxxxxxxxxxxxx
  • Date: Sat, 06 Oct 2007 12:01:07 +0100

On 06 Oct, Mike Williams <akalat@xxxxxxxxxxx> wrote:
> On 5/10/07 9:06 pm, "John Cartmell" <john@xxxxxxxxxxxxxxxxxxxx> wrote:

> > On 05 Oct, David Pilling <flist@xxxxxxxxxxxxxxxxxxx> wrote:
> >> In message <4f2d08d299john@xxxxxxxxxxxxxxxxxxxx>, John Cartmell
> >> <john@xxxxxxxxxxxxxxxxxxxx> writes
> >>> That's the problem. I don't know - and didn't get the feedback needed.
> >>> In the past RISC OS pdfs have got the response from printers "Can't
> >>> resolve that page".
> > 
> >> Of course there is always the possibility that the specialist software
> >> handling your pdfs makes unwarranted assumptions about them - expecting
> >> them to originate from a particular Mac program.
> > 
> >> I suppose trying your pdfs in Adobe software would be the test of if
> >> they were correct.
> > 
> >> I wonder if GhostScript would be any better - it obviously has a much
> >> wider userbase than RiScript.
> > 
> >> I presume experiments are costly. I wasn't making a comment on the use
> >> of Macs, I was purely curious about why there was a problem.
> > 
> >> To put it another way, if you knew what the problem was it might help
> >> others, or someone might be able to fix it.
> > 
> > Part of the reason for publishing that article was to get feedback - like
> > this. Martin has said - elsewhere and recently - that the problem is not
> > with producing pdfs but with producing correct PostScript files. I would
> > like to understand how the PostScript files that I produce (in RISC OS)
> > can be (they are) turned into acceptable pdfs on a Mac.
> > 
> > I'd like to see a list of do this - and don't do that - that will
> > *guarantee* pdfs that you can, with confidence, hand to any commercial
> > printer knowing that they will work OK. I'm pretty certain that won't be
> > possible (produced on RISC OS or any other platform) because of the
> > changes that those printers will be making with their software - but I'd
> > like to see a way of getting as close to that as possible - and knowing
> > what action to take when problems arise.

> Anyone who has access to a Mac as well as RISC OS should have no problems.

Acknowledged.
The problem is in identifying for certain what will cause problems when RISC
OS is used to produce the final pdfs. Many pages work OK. If you can identify
the problems in advance then:

1. You may be able to avoid producing such pages;
2. you could divert just (say) 3 or 4 pages for processing externally;
3. know what to ask the developers to do to put it right.


[Snip]

-- 
        John Cartmell   john@xxxxxxxxxxxxx      0845 006 8822 or 0161 969 9820
        Qercus magazine FAX +44 (0)8700-519-527         www.finnybank.com
        Qercus - the best guide to RISC OS computing

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