Re: Need viewer for 5 Gb file

In article <1184604742.551707.115630@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
thierrydagnino@xxxxxxxxx wrote:

Hi,

we have a very large file postscript file (5 Gb) to print on two
printers. This document can contain arround 300000 pages.

We need to spit the document in order to print on the two printers at
once. We we're using a conversion to pdf to view the file and
determine exactly where to split it (we need the page number to tell a
program where the split is).
The conversion to PDF is necessary *only* because you want to navigate
to a page in the middle of the file ?
*IF* the original PS is DSC compliant, a PS viewer should be able to do
the same.

Then, do you actually need to *view* the document to decide where the
cut is, or would knowing the overall number of pages would be sufficient
(say, to balance the load, ie. produce roughly the same number of pages
on both printers) ?

The conversion to pdf is very long so I was wondering if there was a
postscript viewer that could handle allow viewing such large files ?
There is no direct relationship between Postscript file size and the
memory capability of the viewer. This is because a Postscript
interpreter executes its program as it consumes its. Unlike many other
languages, the program does not need to be held in memory for execution,
so it is possible to have a relatively modest printer handle files
weighing hundreds of megabytes.

Other suggestions would be nice too ? Having a smaller file is not an
option at this point.
Not necessarily. For a start, you may have redundant objects in the PDF
files that can be optimized away. Fonts come to mind, that may be
present more than once. Other things such as logos repeated on each page
are another possibility.

________________________________________________________
François Robert
.

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