On Jun 1, 2008, at 05:03, Martin Edge wrote:
Hi
<snip />
Perhaps the software I am using to do the conversion from PDF to
PCL could be improved.. I tried postscript, but so far I have been
processing for 21hrs.. My 79Mb PDF file is now a 94 Gig Postscript
file! (that can’t be real, surely??).
Depends on the contents, but PDF has internal compression while PS
does not. For a 'fair' comparison of the sizes, you should generate
the PDF uncompressed.
Also, you could try using the PS Renderer directly, and check if the
file FOP generates, takes as long and is as large as the one produced
by GhostScript.
Anyway, 94 GB for 20000 pages means almost 5 MB per page, which does
indeed seem to be on the high side.
<snip />
Can you recommend a better software for this purpose, or is the
conversion to PDF first potentially hazardous in performance to my
desired printing type (PCL or PS).
Maybe, but I can't say for sure, if you need both PDF and PS output
from the same base XSL-FO, the link I provided earlier to the
Intermediate Format could be of use.
You could generate the intermediate area tree once, and render that
same file to both output formats. Since PDF and PS use the same font-
metrics, this is a possibility. Trying the same with PCL or AFP may
still lead to undesirable differences...
The benefit in terms of processing would be that layout, as the most
resource- and time-consuming part of the process, will only have to
be done once.
HTH!
Cheers
Andreas
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