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From: francis@ircam.fr (Joseph Francis)
Newsgroups: comp.lang.postscript
Subject: Postscript Page filters
Message-ID: <1991May19.114911.8750@ircam.fr>
Date: 19 May 91 11:49:11 GMT
Sender: francis@ircam.fr (Joseph Francis)
Organization: IRCAM, Paris (France)
Lines: 43

Several times I've read requests for page filters, and I would like to
add my chorus:

Page filtering for
	1: Page collage - combine n pages on a single sheet, by	either
	grouping left-to-right, top-to-bottom, or vice-versa

	2: Page ordering - reverse page order, even-odd page order.

	3: Page Filtering - select page list

	4: Sheaf grouping - Rearrange for sheaves of facing pages: i.e., like
	a newspapaper (example: 24 pages, 2 sheaves:
	(1,12), (2,11), (3,10), (4,9),  (5,8),  (6,7) - sheaf 1
        (13,24),(14,23),(15,22),(16,21),(17,20),(18,19) - sheaf 2
	so you can do simple binding and cutting.

	with a simple call:
	pspager [-coll [c=nxr=m | r=mxc=n] | -select [[N-M](odd|even|reverse|sheaf=nsheaves)]]
	so you can do something like

	cat mywork | pspager -select 1-24(sheaf=2)\ # get 24 sheets in bunches
		|pspager -coll c=2 | tee fullist \  # condense, save
		|pspager -sel  1-(odd) >oddpage     # get odd pages  (front)
	pspager fullist -sel 1-(even) >evenpage     # get even pages (back)

	and get something reduced to two-page blocks on single sheets,
	so you can print front-back sheaves, and bind nicely;

Some of this exists, but not grouped together nicely; if no one has
	done it, I shall.




     




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