Path: utzoo!attcan!uunet!zaphod.mps.ohio-state.edu!julius.cs.uiuc.edu!apple!well!jef
From: jef@well.sf.ca.us (Jef Poskanzer)
Newsgroups: comp.lang.postscript
Subject: Re: Encapsulated PostScript
Message-ID: <21402@well.sf.ca.us>
Date: 29 Oct 90 20:28:45 GMT
References: <1661@merlin.bhpmrl.oz.au>
Reply-To: Jef Poskanzer <jef@well.sf.ca.us>
Organization: Paratheo-Anametamystikhood Of Eris Esoteric, Ada Lovelace Cabal
Lines: 20

In the referenced message, paulg@bhpmrl.oz.au (Paul Gallagher) wrote:
}Encapsulated postscript files actually contain the postscript commands
}for printing device-resolution independant images, followed by a lo-res
}PICT (bit-mapped) image for the purposes of previewing the final output.
}Hence "encapsulated".
}"Normal" postscript files only contain the code.

Not true, but a common misconception.  EPS *allows* such a bitmap
representation to be added (prepended or appended, in pretty much any
bitmap format), but does not require it.  All it really requires is the
identifying comment and the bounding box comment, and non-use of a
small set of PostScript operators.

Please get the EPS spec and read it yourself if you want to find out more.
---
Jef

  Jef Poskanzer  jef@well.sf.ca.us  {ucbvax, apple, hplabs}!well!jef
   "For my purpose holds...  To strive, to seek, to find, and not to
                   yield." -- Alfred, Lord Tennyson