Libris Britannia 4/science library(b).zip/science library(b)/INFO/PCCDEMO.ZIP/COMP1.EXE/ACROBAT.PRS

Text File | 1993-12-20 | 11KB | 177 lines

                                           æäòêäû: ÇéæÄüÇô ╧╧╬╠╬╠╬╠╬╠╬╠╬╠╬╠╡

    " α ΩΣ√  σΣα≤⌠±Σ εσ  αΓ±εßα≤ Φ≥ │      Adobe Systems introduced   the
  Φ∞∩δΦΣπ  ß√ ≤τΣ  ÷ε±π  "∩ε±≤αßδΣ" │   Acrobat portable electronic  doc-
  σε± Σ≈α∞∩δΣ α  ∩πσ  σΦδΣ  Γ±Σα≤Σπ │   ument system  on June 15, 1993.
  ∩±Φφ≤Σπ εφ α ∞αΓΦφ≤ε≥τ,  αφπ ⌡ΦΓΣ │   I have  had some experience  with
  ⌡Σ±≥α. "                          │   Acrobat  that  may   be  of  some
                                    │   interest  to  the  PC  community.
                                    │   I've been using Acrobat since the
  ΣδΣΓ≤±εφΦΓ ∩⌠ßδΦ≥τΦφµ ÷Φ≤τ απεßΣ  │   second  beta   release,   and  on
 ▄▄▄  ▄▄▄▄ ▄▄▄  ▄▄▄▄ ▄▄▄   ▄▄▄ ▄▄▄▄ │   August 1 we  released two CD-ROMs
 █ █  █  ▀ █ █  █ ██ █ █   █ █  █   │   that  use  Acrobat  as  a central
██▀▀█ ██   ██▀█ █  █ ██▀█ ██▀▀█ ██  │   tool: the CD-ROM versions of  the
██  █ ██▄█ ██ █ █▄▄█ ██▄█ ██  █ ██  │   conference  proceedings  from the
                                    │   SIGGRAPH 93 and ACM Multimedia 93
     ß√   π±. ≥≤Σ⌡Σ Γ⌠φφΦφµτα∞      │   conferences.
   Professor of Computer Science    │      Adobe tells us that these  are
                                    │   the first CD-ROMs to be  released
                                    │   using  Acrobat  as  their central
          σΣα≤⌠±Σ α±≤ΦΓδΣ           │   document technology.
                                    │
                                    │      δΣ≤'≥  ≥≤α±≤   ß√  ≥⌠∞∞α±ΦⁿΦφµ


÷τα≤ αΓ±εßα≤  Φ≥:   α σΦδΣ σε±∞α≤   │   Windows can  be read  and printed
σε±   ≥≤ε±Φφµ   αφπ  ≤±αφ≥∞Φ≤≤Φφµ   │   on a Macintosh, and vice versa.
ΣδΣΓ≤±εφΦΓ πεΓ⌠∞Σφ≤≥,  αφπ  α ≥Σ≤   │
εσ α∩∩δΦΓα≤Φεφ≥ ≤τα≤ αδδε÷ εφΣ ≤ε   │      αΓ±εßα≤ Φ≥  α⌡αΦδαßδΣ α≥ ≤τ±ΣΣ
Γ±Σα≤Σ  αφπ  ≥τα∩Σ  πεΓ⌠∞Σφ≤≥  Φφ   │   δΣ⌡Σδ≥ εσ α∩∩δΦΓα≤Φεφ≥. These are
≤τΦ≥ σε±∞α≤.  The file  format is   │   called   the    Acrobat   Reader,
named PDF,  for Portable Document   │   Exchange, and  Distiller, and are
Format, and will  be published by   │   available from  Adobe  or various
Adobe so  that  others  can write   │   software   sources.      A  quick
applications that  will translate   │   summary  of  the  capabilities of
electronic  documents   into  PDF   │   these three applications follows:
files or  display  and  print PDF   │
files.                              │   πΦ≥≤ΦδδΣ±  --  most  expensive --
   A  key  feature of  Acrobat is   │   translates  PostScript   to  PDF.
implied  by the  word  "Portable"   │   That's   it,  but  that's  a lot.
-- a  PDF-format document created   │   There are  a  number  of settings
on one system  can be  read by an   │   for     compression   levels  and
appropriate  application  running   │   resolutions    for    downsampled
on a completely different system.   │   images,  creating thumbnails, and
That is, a PDF file created under   │   the like.    If  you're  going to


create  a   lot  of   PDF  files,   │   yourself.   This    is   a   less
especially  with   color  images,   │   expensive way to  make PDF files,
this is the  application you need   │   but it won't work  with documents
to    use.    There    are    two   │   containing      embedded      EPS
versions  of  the  Distiller, the   │   (Encapsulated  PostScript) files.
Personal   Distiller    and   the   │
Net Distiller.  The former is, as   │   ±ΣαπΣ±    --  lets you read a PDF
the   name   implies,   for   one   │   file on the screen or print it to
user; the  latter  allows  you to   │   a PostScript  printer.    You can
set  up  a   network  service  to   │   execute   links   and   do   word
distill documents  for  an entire   │   searches,  view   thumbnails  and
organization.                       │   outlines, but you can't create or
                                    │   edit the documents.
ΣxΓταφµΣ   --  lets you  edit PDF   │
files, add links, add thumbnails,   │      As noted  in  these summaries,
add outlines, etc.; also includes   │   Acrobat   gives   you   on-screen
the   PDFWriter   capability   of   │   document     viewing,    document
printing  most  documents  into a   │   printing (because there are still
PDF file instead of to a printer,   │   some times  you  cannot  or don't
so you  can create  new PDF files   │   want  to  read  a  document  on a


screen),  document  thumbnails so   │   documents  containing   text  and
you can find a particular page by   │   graphics, and  it  allows  you to
the   overall    shape   of   its   │   share a document across platforms
contents, links within a document   │   while  maintaining   a  font  and
so you  can read  it sequentially   │   layout look that you've created.
or can follow  threads created by   │
yourself (with  Exchange)  or the   │      ÇΓ±εßα≤ Φ≥  ßα≥Σπ  εφ ≥≤αφπα±π
author,  and   full-text  search.   │   ≤ΣΓτφΦ≡⌠Σ≥:  Åε≥≤ÆΓ±Φ∩≤  αφπ  ïÖû
Editing is limited  to adding and   │   Γε∞∩±Σ≥≥Φεφ σε±  ≤Σx≤,  αφπ ëÅäå,
deleting   pages    and   merging   │   ΓΓΦ≤≤ å±ε⌠∩  êò, αφπ  α σΣ÷ ε≤τΣ±
documents, so an Acrobat document   │   Γε∞∩±Σ≥≥Φεφ     ≤ΣΓτφΦ≡⌠Σ≥    σε±
is  not   susceptible  to  having   │   Φ∞αµΣ≥. PDF  documents  are 7-bit
words  changed   and   being  the   │   ASCII so they can be E-mailed via
changed  document  passed  off as   │   dumb mailers.    At  the  time of
the original.                       │   this   writing,   Acrobat  appli-
   Acrobat does not supply a real   │   cations  are  only  available  on
compound-document   architecture,   │   Macintosh   and    Windows,   but
so you  cannot include animations   │   versions  for  DOS  and  for Unix
or simulations within a PDF file,   │   platforms are expected by the end
but it  is a  very good  tool for   │   of 1993.


                                    │   conference proceedings on CD-ROM.
   Potential   applications   for   │   These contain the papers from the
Acrobat  include   any  documents   │   two   conferences    in   Acrobat
that would be created and sent on   │   format,   as    well   as   other
paper.  These could include memos   │   materials that don't use Acrobat.
and reports,  catalogs, journals,   │
or even books.                      │      Ç  ÷ε±π  αßε⌠≤  ε⌠± ∩±επ⌠Γ≤Φεφ
                                    │   ∩±εΓΣ≥≥ ∞α√  τΣδ∩ ≤τΣ  ±ΣαπΣ± ≥ΣΣ
Ä⌠± α∩∩δΦΓα≤Φεφ εσ ÇΓ±εßα≤          │   ÷τα≤ Φ≥  Φφ⌡εδ⌡Σπ  Φφ ∩⌠ßδΦΓα≤Φεφ
                                    │   ÷Φ≤τ  ÇΓ±εßα≤.   When  conference
   Our work with Acrobat was part   │   papers  were  accepted,  we  sent
of  the   ongoing  work   of  ACM   │   authors  instructions   for  both
SIGGRAPH,  the   world's  leading   │   printed  and  electronic versions
professional   organization   for   │   of  their  papers.    All authors
computer graphics and interactive   │   were asked to  send us PostScript
tech-niques,   to    extend   its   │   versions of their papers via ftp.
electronic   publishing  program.   │   We translated the papers into PDF
As noted above, our 1993 projects   │   files    using     the    Acrobat
were    focused    on    creating   │   Distiller.  This  is a very solid
electronic   versions    of   two   │   application     and    translates


documents well, if the PostScript   │   that   the   papers   and   other
uses  Type  1  or  Type  2  fonts   │   materials could  be used  by both
(meaning: don't  use TeX variants   │   Macintosh HFS and ISO 9660 CD-ROM
with the default Computer Modern    │   systems, taking  advantage of the
fonts!) Because we didn't specify   │   cross-platform nature  of Acrobat
any details  about the PostScript   │   documents.
that  authors  should  submit, we   │
had to do some manual work with a   │      Because     our     production
few papers  to  create PostScript   │   environment  is   based   on  the
that  the   Distiller  would  use   │   Macintosh,  we   had  no  problem
well,  but  this   is  a  typical   │   working  with  PostScript  files.
startup  problem.      With  good   │   In the  Windows  world,  where it
PostScript,    we    could   have   │   might be  more  difficult  to get
translated the  entire set  of 49   │   PostScript files from authors, it
papers into Acrobat in just a few   │   would   be    worth   considering
days.   Using  Acrobat  caused no   │   whether    one     should    base
problems  at  all  in  the CD-ROM   │   development   on   the   Exchange
production   process;   this  was   │   application and  create PDF files
completely   standard,   and   we   │   from the PDFWriter instead of the
created  dual-directory  discs so   │   Distiller.


                                    │   example).     Printing   is  very
   æΣαπΦφµ ≤τΣ ÇΓ±εßα≤ ⌡Σ±≥Φεφ εσ   │   simple,  assuming   you   have  a
α  ∩±εΓΣΣπΦφµ≥   ∩α∩Σ±  Φ≥  Σα≥√:   │   PostScript   printer.       Color
launch  the  document  using your   │   printing is quite good.
system, and you get a view of the   │
document  with   several  control   │      âε ê δΦΩΣ ÇΓ±εßα≤?  Yes, quite
buttons.  You  can navigate based   │   a bit.  It offers SIGGRAPH a good
on pages  or links,  you can find   │   platform      for      electronic
words in the text, or you can use   │   publishing  and,  at  this  time,
outlines or  thumbnails  with the   │   looks like the  best thing on the
document  to  choose  your place.   │   market.   The  reactions  we have
It's easy to  handle color images   │   had from people who have used the
in a  PDF  file  (just  embed the   │   discs are quite  positive, and we
color  images  in  the PostScript   │   plan  to   extend  our   uses  of
file) and  the  PDF files  are of   │   Acrobat    for     next    year's
reasonable    size     (a    24MB   │   conference  (SIGGRAPH  94,  to be
PostScript  paper   containing  a   │   held in Orlando,  Florida in late
number of color figures distilled   │   July) and in non-conference areas
down  to  488K  with  the default   │   as well.  This  will allow  us to
compression     settings,     for   │   use the E-mail  capability of PDF


files to  use  online publication   │
distribution in  addition  to CD-   │
ROM ñ                               │
                                    │
---                                 │
                                    │
Adobe    and    PostScript    are   │
registered  trademarks  of  Adobe   │
Systems   Incorporated. The Adobe   │
logo, Acrobat,  the Acrobat logo,   │
and   Distiller are trademarks of   │
Adobe Systems Incorporated, which   │
may  be   registered  in  certain   │
jurisdictions.                      │
Microsoft    is    a   registered   │
trademark and  and  Windows  is a   │
trademark       of      Microsoft   │
Corporation.                        │
Macintosh    is    a   registered   │
trademark of Apple Computer, Inc.   │