Path: utzoo!attcan!uunet!cs.utexas.edu!usc!bloom-beacon!lcc.UUCP!jta
From: jta@lcc.UUCP
Newsgroups: comp.windows.x
Subject: XY and Z formats
Message-ID: <8908221602.AA2505282@devnet>
Date: 22 Aug 89 16:02:59 GMT
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 3

This question is just for curiosity's sake.  The XY and Z image formats
are named just the opposite of my intuition.  What was the rationale or
precedent for these names?