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scott wrote:
> I always thought of PDFs as the digital version of print-outs.
They are. Except that unlike a PostScript page description (which is an
unstructured arbitrary Turing-complete program which may or may not
produce an image as a side-effect of its execution), a PDF file contains
sufficient metadata to be easily manipulatable. (E.g., it's not
Turing-complete, it's easy to locate a specific page, it has a bounding
box included, etc.)
> Think
> what you would do if someone gave you two printed out sheets and asked
> the above...
Yeah, well, if digital printouts have only the same functionality as
real printouts, then they're rather pointless. We may as well just use
> BTW, you might be able to find some software that renders a PDF to an
> image file, then use some paint program to do what you want.
Both Ghostscript and Acrobat will happily transform PDF into a bitmap
image. (Though Acrobat will only produce Windows Bitmap - the most
braindead image format in widespread use.)
The trouble is, then the pages would be bitmap images. That means that I
can manipulate then with IrfanView. On the other hand, it means they'll
either be vastly lower resolution than the original vector graphics, or
they'll be absolutely huge files...
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> Yeah, well, if digital printouts have only the same functionality as real
> printouts, then they're rather pointless.
Except I can send a "digital printout" to 50 different people in 5 different
countries within a few seconds from my desk, try doing that with real
printouts :-)
> Both Ghostscript and Acrobat will happily transform PDF into a bitmap
> image. (Though Acrobat will only produce Windows Bitmap - the most
> braindead image format in widespread use.)
>
> The trouble is, then the pages would be bitmap images. That means that I
> can manipulate then with IrfanView. On the other hand, it means they'll
> either be vastly lower resolution than the original vector graphics, or
> they'll be absolutely huge files...
What's your printer? 600dpi? Just convert them into bitmaps using that
resolution and do your work on it, then save them to PDF again. It's quite
common to work on A4 size at 600dpi on a normal PC these days...
Or, presumably, if you are meant to be modifying these documents, then you
can just ask the original author for the original files to modify? That
might be easier in the end.
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>> Yeah, well, if digital printouts have only the same functionality as
>> real printouts, then they're rather pointless.
>
> Except I can send a "digital printout" to 50 different people in 5
> different countries within a few seconds from my desk, try doing that
> with real printouts :-)
Sure. But you don't need Acrobat for that, just Acrobat Reader. We paid
a shedload of money for the full Acrobat Professional package on the
expectation that it would allow us to, you know, *modify* PDF files. :-P
>> The trouble is, then the pages would be bitmap images. That means that
>> I can manipulate then with IrfanView. On the other hand, it means
>> they'll either be vastly lower resolution than the original vector
>> graphics, or they'll be absolutely huge files...
>
> What's your printer? 600dpi? Just convert them into bitmaps using that
> resolution and do your work on it, then save them to PDF again. It's
> quite common to work on A4 size at 600dpi on a normal PC these days...
Mmm, A4 at 600dpi. That's going to be a few megapixels...
In the end, I ended up just double-printing the damned thing. Which
meant I had to print it three times before I figured out the paper path,
scaled everything so the new headers don't overprint the document
content, and so on and so forth. All of which would have been *so* much
easier with some suitable software... but hey, Adobe has our money. Why
should they give a damn?
> Or, presumably, if you are meant to be modifying these documents, then
> you can just ask the original author for the original files to modify?
> That might be easier in the end.
Right. Because BackupExec *totally* has options for customising the
header and footer on the job logs it prints out. ;-)
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Just when you thought your day couldn't get any worse... it does.
I now have to phone a lady who doesn't speak propper English and make
her PC work. Oh, did I mention? She's in a different country...
Yay, me. :'{
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Invisible wrote:
> Just when you thought your day couldn't get any worse... it does.
>
> I now have to phone a lady who doesn't speak propper English and make
> her PC work. Oh, did I mention? She's in a different country...
>
> Yay, me. :'{
I'm almost glad the number doesn't work... :-P
Still, I don't suppose there's any way I can realistically get rid of
this person.
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> Sure. But you don't need Acrobat for that, just Acrobat Reader.
Of course.
> We paid a shedload of money for the full Acrobat Professional package on
> the expectation that it would allow us to, you know, *modify* PDF files.
> :-P
Did you read the "features" page of Acrobat Professional?
http://www.adobe.com/products/acrobatpro/features/
> Mmm, A4 at 600dpi. That's going to be a few megapixels...
I make it 35MP, about 3x what consumer digital cameras are up to now,
shouldn't be a problem to edit a file this size.
> Right. Because BackupExec *totally* has options for customising the header
> and footer on the job logs it prints out. ;-)
You mean it only gives you job logs in PDF format? That's a bit pants.
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>> Mmm, A4 at 600dpi. That's going to be a few megapixels...
>
> I make it 35MP, about 3x what consumer digital cameras are up to now,
> shouldn't be a problem to edit a file this size.
On my old wreck of a PC? It's not going to be much fun...
>> Right. Because BackupExec *totally* has options for customising the
>> header and footer on the job logs it prints out. ;-)
>
> You mean it only gives you job logs in PDF format? That's a bit pants.
Actually they're XML files with a custom schema. My guess is that it's
using the Internet Explorer rendering engine to print them. Suffice it
to say, this is a backup program. It has a button marked "print", and
that's basically it. You have no control over formatting. I did,
however, manage get it into PDF format.
(Print to a PostScript printer, send to file instead of the printer, use
Ghostscript to convert PS to PDF. Yay, I have a working PDF file now.)
I stupidly assumed that since we have PDF editing software, it would be
easy to, you know, edit the PDF file.
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> I stupidly assumed that since we have PDF editing software, it would be
> easy to, you know, edit the PDF file.
Yeh you'd think so, but for some reason they seem to want to make it really
hard/impossible to actually modify any detail on a PDF page. I always
wondered myself if there was any software capable of doing this...
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Invisible <voi### [at] devnull> wrote:
> Invisible wrote:
> > Just when you thought your day couldn't get any worse... it does.
> >
> > I now have to phone a lady who doesn't speak propper English and make
> > her PC work. Oh, did I mention? She's in a different country...
> >
> > Yay, me. :'{
>
> I'm almost glad the number doesn't work... :-P
>
> Still, I don't suppose there's any way I can realistically get rid of
> this person.
I bet that's what the Call Centres in India say about us :)
Stephen
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>> I'm almost glad the number doesn't work... :-P
>>
>> Still, I don't suppose there's any way I can realistically get rid of
>> this person.
>
> I bet that's what the Call Centres in India say about us :)
Hmm. Probably.
Well anyway, I just had a conversation with somebody who doesn't speak
English very well, and doesn't know how to operate a computer. As if
that wasn't bad enough, the phone line kept repeatedly cutting out.
Perfect. :-S
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