Newsgroups: comp.graphics Path: utzoo!utgpu!jarvis.csri.toronto.edu!dgp.toronto.edu!alain From: alain@dgp.toronto.edu (Alain Fournier) Subject: Re: A Question of Perspective (?) Message-ID: <8806251825.AA26968@explorer.dgp.toronto.edu> Organization: University of Toronto, CSRI References: <350001@hpcvlx.HP.COM> <3293@ubc-cs.UUCP> Date: Sat, 25 Jun 88 13:05:07 EDT In <350001@hpcvlx.HP.COM> ben@hpcvlx.HP.COM (Benjamin Ellsworth) writes: > A disc 3" in diameter at 10ft has the same perceived size as a > disc of what diameter at 100ft? The world is complicated enough as it stands, why use a crazy unit system that makes it worse? (by the way, the word "perceived" make the question considerably tougher than naive geometry, whether it was intended or not).